CN203250232U - Tapped self-coupling type alternating current stabilizer based on segmented variable-cross-section winding - Google Patents
Tapped self-coupling type alternating current stabilizer based on segmented variable-cross-section winding Download PDFInfo
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- CN203250232U CN203250232U CN 201320282974 CN201320282974U CN203250232U CN 203250232 U CN203250232 U CN 203250232U CN 201320282974 CN201320282974 CN 201320282974 CN 201320282974 U CN201320282974 U CN 201320282974U CN 203250232 U CN203250232 U CN 203250232U
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Abstract
The utility model provides a tapped self-coupling type alternating current stabilizer based on a segmented variable-cross-section winding. The tapped self-coupling type alternating current stabilizer based on the segmented variable-cross-section winding comprises a measuring circuit, a master control circuit, a driving circuit, a plurality of relays and the winding. The measuring circuit is used for measuring the input voltage and the output voltage of the stabilizer, the output end of the measuring circuit is connected with the master control circuit. The master control circuit is connected with the driving circuit. The driving circuit is connected with the relays. The winding is provided with a plurality of taps, wherein the taps divide the winding into a plurality of segments, and the cross sections of the segments are different from one another. The relays are connected with the taps of the winding respectively and used for controlling switch-on and switch-off of the taps. Normally open contacts of the relays are connected. Due to the fact that the segmented variable-cross-section winding is applied to the tapped self-coupling type alternating current stabilizer based on the segmented variable-cross-section winding, copper materials can be greatly saved, and cost can be reduced.
Description
Technical field
The utility model belongs to voltage stabilizer field, is specifically related to a kind of tapped self coupling type AC voltage regulator based on segmentation variable cross section winding.
Background technology
The schematic diagram of tapped self coupling type AC voltage regulator major loop as shown in Figure 1, as input voltage U
IDuring=220V, telemetry circuit and program make its contact J3 closed so that relay J D3 gets electronic work; Make all the other relays (JD0, JD1, JD2, JD4, JD5, JD6, JD7) dead electricity, their contact (J0, J1, J2, J4, J5, J6, J7) disconnects.Such output voltage U
O=U
I=220V.
As input voltage U
IDuring＜220V, telemetry circuit and program are learnt U by tension measuring circuit
ISize, and according to U
IDecide among relay J D4, JD5, JD6, the JD7 which to get electronic work less than the degree of rated voltage 220V, and make its closing of contact (all the other relay electric-loss, their contact disconnects).Because the turn ratio at this moment is to boost, so final output voltage U
OEqual or near rated voltage 220V.
As input voltage U
IDuring 220V, telemetry circuit and program are learnt U by tension measuring circuit
ISize, and according to U
IDecide among relay J D0, JD1, the JD2 which to get electronic work greater than the degree of rated voltage 220V, and make its closing of contact (all the other relay electric-loss, their contact disconnects).Because the turn ratio at this moment is step-down, so final output voltage U
OEqual or near rated voltage 220V.
Concrete input, output voltage and corresponding relay contact state see Table 1.
Table 1 input, output voltage and corresponding relay contact state relation table
Like this, when input voltage fluctuateed variation between 173～275V, output voltage can both be stabilized on the rated voltage 220V.
But the whole line of in the market similar products design holds to be organized from thicknesses such as the wire diameter of 0～h are, can waste so a lot of copper cash, increases cost of products.
The utility model content
The utility model provides a kind of segmentation variable cross section winding for above-mentioned the deficiencies in the prior art, and this segmentation variable cross section winding can reduce small product size, reduces cost of products.
The utility model is achieved by the following technical solution:
A kind of tapped self coupling type AC voltage regulator based on segmentation variable cross section winding comprises metering circuit, governor circuit, driving circuit, a plurality of relay and winding;
Metering circuit is used for measuring input voltage and the output voltage of voltage stabilizer, and the output terminal of metering circuit links to each other with governor circuit, and governor circuit links to each other with driving circuit, and driving circuit links to each other with a plurality of relays;
Described winding is one to have the winding of a plurality of taps, and described a plurality of taps are divided into a plurality of sections with winding, and the cross-sectional area of described each section is different; A plurality of relays link to each other with a plurality of taps of winding respectively, are used for controlling the break-make of described tap; The normally opened contact of a plurality of relays links together.
Further, described governor circuit comprises single-chip microcomputer, 8D latch, high effectively electrify restoration circuit, low effective electrify restoration circuit and crystal oscillating circuit, single-chip microcomputer links to each other with the 8D latch, high effectively electrify restoration circuit links to each other with single-chip microcomputer, low effective electrify restoration circuit links to each other with the 8D latch, crystal oscillating circuit links to each other with single-chip microcomputer, for generation of oscillator signal to single-chip microcomputer.
Further, described single-chip microcomputer also links to each other with a display.
Further, described driving circuit comprises the darlington array of one 8 passages.
Tapped self coupling type AC voltage regulator based on segmentation variable cross section winding described in the utility model passes through to adopt segmentation variable cross section winding, thereby can greatly save copper material, reduces cost.
Description of drawings
Fig. 1 is the major loop schematic diagram of tapped self coupling type AC voltage regulator;
Fig. 2 is the structured flowchart of tapped self coupling type AC voltage regulator;
Fig. 3 is the governor circuit schematic diagram of tapped self coupling type AC voltage regulator.
Embodiment
The utility model is described in more detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, 2, the utility model provides a kind of tapped self coupling type AC voltage regulator based on segmentation variable cross section winding, comprises metering circuit, governor circuit, driving circuit, a plurality of relay and winding; Metering circuit is used for measuring input voltage and the output voltage of voltage stabilizer, and the output terminal of metering circuit links to each other with governor circuit, and governor circuit links to each other with driving circuit, and driving circuit links to each other with a plurality of relays;
Described winding is one to have the winding of a plurality of taps, and described a plurality of taps are divided into a plurality of sections with winding, and the cross-sectional area of described each section is different; A plurality of relays link to each other with a plurality of taps of winding respectively, are used for controlling the break-make of described tap; One end of the normally opened contact of a plurality of relays links together.
Adopt the benefit of the tapped self coupling type AC voltage regulator of segmentation variable cross section winding described in the utility model to be described below:
If put aside the loss of pressure regulator, then have:
That is have:
As seen, the power P of transmitting
2In certain situation: work as U
ODuring increase, I
2Reduce; Work as U
OWhen reducing, I
2Increase.So holding group to line, we can select the different wire diameter of thickness according to the difference of each section electric current: a-b section, b-c section, c-d section, d-e section ... the g-h section, more and more thinner.
During actual design, every section concrete wire diameter can be selected according to actual current.As seen, adopt the tapped self coupling type AC voltage regulator of segmentation variable cross section winding can save copper material, reduce cost.
As shown in Figure 3, JD0～JD7 is the relay of 8 12V among the figure, the J0～J7 of its corresponding normally opened contact in Fig. 1.Driving circuit mainly comprises U4, U4 is ULN2803 in the present embodiment, and it is the high-voltage great-current darlington array of 8 passages, and its inner Y0～Y7 is the rp-drive of 8 OC doors (or OD door), the output triode of this OC door is withstand voltage to be 50V, and driving force is 500mA.
Governor circuit comprises single-chip microcomputer, 8D latch, high effectively electrify restoration circuit, low effective electrify restoration circuit and crystal oscillating circuit, single-chip microcomputer links to each other with the 8D latch, high effectively electrify restoration circuit links to each other with single-chip microcomputer, low effective electrify restoration circuit links to each other with the 8D latch, crystal oscillating circuit links to each other with single-chip microcomputer, for generation of oscillator signal to single-chip microcomputer.U1 is the single-chip microcomputer (other type single-chip microcomputer also can) of STM8S103K series among Fig. 3.C1 and R9 consist of high effectively electrify restoration circuit, and powered on moment is for the reset pin NRST of single-chip microcomputer U1 provides an of short duration high level that resets.The 8 bit parallel interface PD(PD7 of U1～PD0) are U2(74LS273) input drive signal is provided.PC7 with U1 provides the CLK of an effective write signal of rising edge to U2.U2 is the 8D latch, can adopt 74LS273(or 74HC273), play logic buffering and data and latch effect, its detailed action principle hereinafter describes in detail.R10 and C2 are low effective electrify restoration circuits, are U2(74LS273) clear terminal (
) a low effective power-on reset signal is provided, make U2 guarantee to be zero in powered on moment output.Capacitor C O1, CO2 and crystal oscillator X consist of crystal oscillating circuit, produce the oscillator signal of 12MHz to single-chip microcomputer U1.The PC6 of single-chip microcomputer U1, PC5, PC4 are used for driving signal (STB, CLK and DIO) for display provides, and display can adopt the LED display module, can also adopt the LCD display module.
Metering circuit mainly comprises U3-A and U3-B, adopts the LM324 chip, and there are four operational amplifiers its inside, and use two (U3-A and U3-B) amplifiers wherein are as voltage stabilizer input voltage U herein
IAnd output voltage U
OMetering circuit.R1, R2, R3, R4 and U3-A consist of typical differential amplifier, are used for measuring voltage stabilizer input voltage U
IR5, R6, R7, R8 and U3-B also are differential amplifiers, are used for measuring stabilizer output voltage U
O
The principle of work of the tapped self coupling type AC voltage regulator based on segmentation variable cross section winding described in the utility model is as follows:
At first set forth the logic buffer action of U2.If there is not the logic buffer action of U2, because single-chip microcomputer U1 its port PD when firm powering on may be output as entirely " 1 " (PD=FFH=11111111B), this complete " 1 " signal (8 high level) will directly be added in U4(ULN2803) input end, can cause the inner Y0～Y7 of U4 to be output as low, thereby make all adhesive actions of eight relays, and then their normally opened contact J0～J7 is all closed simultaneously, eight short circuit in windings that this can make automatic coupling voltage regulator can burn whole pressure regulator.So should be any moment, or J0～J7 all disconnects, or only have one to be closure state, all the other be off-state.Adopt after the U2, just can solve the problem of the full adhesive of powered on moment relay.Single-chip microcomputer powered on moment, the reset circuit of U2 (R10 and C2) be U2 clear terminal (
) a low effective power-on reset signal is provided, make U2 be output as entirely " 0 " (Q
7～Q
0=00H=00000000B), thus make 8 OC gate drivers of U4 inside all end disconnection, and then 8 relays are all cut off the power supply, its 8 normal opened contact J7～J0 are not closed, output voltage U
O=0.
Simultaneously, the reset circuit of U1 (R9 and C1) makes monolithic processor resetting for the reset terminal of U1 (NRST) provides a high effective power-on reset signal, program brings into operation from initialization section, write entirely " 0 " (PD=00H) to the PD mouth at first immediately, and through level variation from low to high of PC7 generation, make the CLK end of U2 obtain a rising edge trigger pip, enter into U2(74LS273 thereby PD mouth data (be 8 complete " 0 " this moment) are latched) output terminal (Q
7～Q
0=00H=00000000B).
After this, single-chip microcomputer enters normal working cycle.Input voltage UI and output voltage U O are detected and judge.And according to table 2, the PD mouth output data by single-chip microcomputer, this driving data through U2 and U4 so that corresponding relay adhesive, thereby keep the stable of output voltage.
Table 2 input, output voltage and PD mouth output data relationship table
Like this, when input voltage fluctuateed variation between 173～275V, output voltage can both be stabilized on the rated voltage 220V.
The utility model not only is confined to above-mentioned embodiment; persons skilled in the art are according to the disclosed content of the utility model; can adopt other multiple embodiment to implement the utility model; therefore; every employing project organization of the present utility model and thinking; do some simple designs that change or change, all fall into the scope of the utility model protection.
Claims (4)
1. the tapped self coupling type AC voltage regulator based on segmentation variable cross section winding is characterized in that, comprises metering circuit, governor circuit, driving circuit, a plurality of relay and winding;
Metering circuit is used for measuring input voltage and the output voltage of voltage stabilizer, and the output terminal of metering circuit links to each other with governor circuit, and governor circuit links to each other with driving circuit, and driving circuit links to each other with a plurality of relays;
Described winding is one to have the winding of a plurality of taps, and described a plurality of taps are divided into a plurality of sections with winding, and the cross-sectional area of described each section is different; A plurality of relays link to each other with a plurality of taps of winding respectively, are used for controlling the break-make of described tap; The normally opened contact of a plurality of relays links together.
2. the tapped self coupling type AC voltage regulator based on segmentation variable cross section winding according to claim 1, it is characterized in that, described governor circuit comprises single-chip microcomputer, 8D latch, high effectively electrify restoration circuit, low effective electrify restoration circuit and crystal oscillating circuit, single-chip microcomputer links to each other with the 8D latch, high effectively electrify restoration circuit links to each other with single-chip microcomputer, low effective electrify restoration circuit links to each other with the 8D latch, and crystal oscillating circuit links to each other with single-chip microcomputer, for generation of oscillator signal to single-chip microcomputer.
3. the tapped self coupling type AC voltage regulator based on segmentation variable cross section winding according to claim 2 is characterized in that described single-chip microcomputer also links to each other with a display.
4. the tapped self coupling type AC voltage regulator based on segmentation variable cross section winding according to claim 2 is characterized in that described driving circuit comprises the darlington array of one 8 passages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320282974 CN203250232U (en) | 2013-05-21 | 2013-05-21 | Tapped self-coupling type alternating current stabilizer based on segmented variable-cross-section winding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320282974 CN203250232U (en) | 2013-05-21 | 2013-05-21 | Tapped self-coupling type alternating current stabilizer based on segmented variable-cross-section winding |
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| CN203250232U true CN203250232U (en) | 2013-10-23 |
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|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103294088A (en) * | 2013-05-21 | 2013-09-11 | 浙江腾腾电气有限公司 | Segmented variable-cross-section winding based tapped auto-coupling alternating-current voltage stabilizer |
-
2013
- 2013-05-21 CN CN 201320282974 patent/CN203250232U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103294088A (en) * | 2013-05-21 | 2013-09-11 | 浙江腾腾电气有限公司 | Segmented variable-cross-section winding based tapped auto-coupling alternating-current voltage stabilizer |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131023 |