CN215010071U - Voltage-stabilizing power supply charging pile - Google Patents
Voltage-stabilizing power supply charging pile Download PDFInfo
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- CN215010071U CN215010071U CN202121580437.9U CN202121580437U CN215010071U CN 215010071 U CN215010071 U CN 215010071U CN 202121580437 U CN202121580437 U CN 202121580437U CN 215010071 U CN215010071 U CN 215010071U
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- 238000005070 sampling Methods 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 230000006641 stabilisation Effects 0.000 claims abstract description 9
- 238000011105 stabilization Methods 0.000 claims abstract description 9
- 230000009466 transformation Effects 0.000 claims abstract description 4
- 230000001131 transforming effect Effects 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 41
- 238000004804 winding Methods 0.000 claims description 14
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- 230000000087 stabilizing effect Effects 0.000 claims description 9
- 230000003044 adaptive effect Effects 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model discloses a voltage-stabilizing power supply charging pile, which relates to the technical field of power supply, and comprises a power input port, a power processing module, a buffer module, a high-frequency transformer, a sampling module, a control module, a voltage-stabilizing output module and a charging pile output port; the power processing module is used for carrying out step-down rectification filtering processing on a power supply, the buffer module is used for dissipating overvoltage, the high-frequency transformer is used for transforming voltage, the sampling module is used for sampling and outputting sampling signals, the control module is used for controlling the transformation of the high-frequency transformer and receiving the output sampling signals, and the voltage stabilization output module is used for outputting stabilized voltage and protecting a rechargeable battery. The utility model discloses the steady voltage power supply fills electric pile adopts the mode that DC-DC switching power supply handled, improves the efficiency and the area load ability of power, and it is little to generate heat, has strengthened switching power supply's switch tube, prevents to appear damaging to carry out elementary steady voltage through the rectifier to the power of input, improved the steady voltage effect of filling electric pile greatly.
Description
Technical Field
The utility model relates to the technical field of power, specifically a steady voltage power supply fills electric pile.
Background
Along with the development of society, people's standard of living improves, in addition in recent years oil price lasts the soaring and the energy is in short supply, people begin to call for the guard earth, and the promotion of global carbon emission standard has strengthened the power that china promoted the electric automobile industry popularization, along with electric automobile's increase, the charging station also more and more gets into in people's the field of vision, however present equipment of filling electric pile mostly adopts the steady voltage chip's mode to realize filling electric pile's steady voltage power supply, lead to the unable long-term work of most electric pile of filling, the overheated phenomenon of electric pile takes place easily, be unfavorable for the safe handling of filling electric pile, and steady voltage chip's area load ability is little, the efficiency of power is low, and in the time to power processing, can't provide a normal voltage for the circuit, lead to present electric pile of filling can not satisfy consumer's demand completely.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a steady voltage power supply fills electric pile to solve the problem that proposes in the above-mentioned background art.
The foundation the utility model discloses the first aspect of the embodiment provides a steady voltage power supply fills electric pile, and this steady voltage power supply fills electric pile and includes: the device comprises a power input port, a power processing module, a buffer module, a high-frequency transformer, a sampling module, a control module, a voltage stabilizing output module and a charging pile output port;
the power input port is used for connecting a power supply to provide electric energy for the circuit;
the power supply processing module is used for carrying out voltage reduction, self-adaptive rectification and filtering processing on the power supply output by the power supply input port;
the buffer module is used for dissipating overvoltage to inhibit the switching stress generated by the control module when the control module is switched off;
the high-frequency transformer is used for further transforming voltage;
the sampling module is used for sampling the voltage stabilization output module and outputting a sampling signal;
the control module is used for controlling the transformation of the high-frequency transformer and receiving the sampling signal output by the sampling module;
the voltage stabilizing output module is used for outputting a stable voltage and protecting the rechargeable battery;
and the charging pile output port is used for connecting an external charging battery.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the steady voltage power supply fills electric pile adopts the mode that DC-DC switching power supply handled, improves the efficiency and the area load ability of power, and it is little to generate heat, has strengthened switching power supply's switch tube, prevents to appear damaging to carry out elementary steady voltage through the rectifier to the power of input, improved the steady voltage effect of filling electric pile greatly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the utility model discloses the steady voltage power supply fills electric pile's principle square frame schematic diagram that the example provided.
Fig. 2 is the utility model discloses the steady voltage power supply fills electric pile circuit diagram that the example provided.
Fig. 3 is a circuit diagram of a voltage-stabilizing output module according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the embodiment of the utility model provides a steady voltage power supply fills electric pile, this steady voltage power supply fills electric pile and includes: the system comprises a power input port 1, a power processing module 2, a buffer module 3, a high-frequency transformer 4, a sampling module 5, a control module 6, a voltage stabilizing output module 7 and a charging pile output port 8;
specifically, the power input port 1 is used for connecting a power supply to supply electric energy to a circuit; the power input port 1 is connected with a first end of the power processing module 2;
the power supply processing module 2 is used for carrying out voltage reduction, self-adaptive rectification and filtering processing on the power supply output by the power supply input port 1; the second end of the power supply processing module 2 is connected with the first end of the buffer module 3;
the buffer module 3 is used for dissipating overvoltage to inhibit the switching stress generated by the control module 6 when the control module is switched off; the second end of the buffer module 3 is connected with the first end of the high-frequency transformer 4, and the third end of the buffer module 3 is connected with the first end of the control circuit;
a high-frequency transformer 4 for further transforming the voltage; the second end of the high-frequency transformer 4 is connected with the first end of the voltage-stabilizing output module 7; the third end of the high-frequency transformer 4 is connected with the first end of the sampling module 5 and the first end of the control module 6;
the sampling module 5 is used for sampling the voltage stabilization output module 7 and outputting a sampling signal; the second end of the sampling module 5 is connected with the second end of the control module 6;
the control module 6 is used for controlling the transformation of the high-frequency transformer 4 and receiving the sampling signal output by the sampling module 5;
the voltage stabilization output module 7 is used for outputting stabilized voltage and protecting the rechargeable battery; the second end of the voltage-stabilizing output module 7 is connected with the input end of the charging pile output port 8;
fill electric pile output port 8 for connect outside rechargeable battery.
In a specific embodiment, the power processing module 2 uses a transformer to reduce voltage, a rectifier T to rectify current, and a filter capacitor to filter current to implement power processing, wherein the filter capacitor may also use a pi-type filter; the buffer module 3 can adopt an RCD absorption circuit to dissipate overvoltage; the sampling module 5 can sample the output voltage by adopting a simple resistor voltage division mode; the control module 6 adopts a switching power supply chip with a switching tube inside; the voltage stabilizing output module 7 only needs to be provided with a dummy load output circuit; above-mentioned power input port 1 is for filling the electric pile input, fills electric pile output port 8 and for filling the electric pile output, does not describe here any more.
Example 2: on the basis of embodiment 1, please refer to fig. 2 and fig. 3, in a specific embodiment of the charging pile for voltage-stabilizing power supply of the present invention, the power processing module 2 includes a voltage-reducing unit 201 and an adaptive rectifying and filtering unit 202;
specifically, the voltage reducing unit 201 is configured to reduce a voltage output by the power input port 1;
the adaptive rectifying and filtering unit 202 is configured to automatically change a rectifying working mode and perform filtering processing according to the voltage level output by the voltage reduction unit 201;
the first end of the voltage reduction unit 201 is connected to the output end of the power input port 1, the second end of the voltage reduction unit 201 is connected to the first end of the adaptive rectifying and filtering unit 202, and the second end of the adaptive rectifying and filtering unit 202 is connected to the first end of the buffer module 3.
Further, the voltage dropping unit 201 includes a first transformer W0; the adaptive rectifying and filtering unit 202 comprises a rectifier T, a first diode D1, a silicon controlled SCR, a first switching tube N1, a first resistor R1, a second resistor R2, a second diode D2, a third resistor R3, a fourth resistor R4, a potentiometer RP1 and a first capacitor C1;
specifically, a first end of the secondary winding of the first transformer W0 is connected to a first end of the rectifier T, a second end of the secondary winding of the first transformer W0 is connected to the transistor, the emitter of the first switch tube N1, the second resistor R2 through the first diode D1, the third end of a secondary winding of the first transformer W0 is connected with the third end of a rectifier T, the second end of the rectifier T is connected with the other end of a silicon controlled SCR, the fourth end of the rectifier T is connected with the other end of a first resistor R1, a third resistor R3 and the other end of a first capacitor C1, the other end of a first resistor R1 is connected with a collector of a first switch tube N1 and a control end of the silicon controlled SCR, the base of a first switch tube N1 is connected with the sliding blade end of a potentiometer RP1 through a second diode, the base of the first switch tube N1 is further connected with the other end of a second resistor R2, and the other end of a fourth resistor R4 is connected with the other end of a third resistor R3 through a potentiometer RP 1.
Further, the buffer module 3 includes a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a second capacitor C2, and a third diode D3;
specifically, the fifth resistor R5 is connected to the fourth terminal of the rectifier T, the seventh resistor R7, the second capacitor C2 and the first terminal of the primary winding of the high-frequency transformer 4, the other end of the fifth resistor R5 is connected to the sixth resistor R6, the other end of the seventh resistor R7 and the eighth resistor R8, and the other end of the sixth resistor R6 is connected to the other end of the eighth resistor R8, the other end of the second capacitor and the cathode of the third diode D3.
Further, the sampling module 5 includes a tenth resistor R10 and an eleventh resistor R11;
specifically, a second end of the tenth resistor R10 is connected to the eleventh resistor R11, and the other end of the eleventh resistor R11 is grounded.
Further, the control module 6 comprises a controller U1, a ninth resistor R9, a third capacitor C3, a fourth capacitor C4 and an auxiliary transformer;
specifically, a first end of the controller U1 is connected to an anode of the third diode D3 and a second end of the primary winding of the high-frequency transformer 4, a second end of the controller U1 is connected to a ninth resistor R9 and a third capacitor C3, the other end of the ninth resistor R9 is connected to a fourth capacitor C4 and a first end W2 of the auxiliary transformer, a third end of the controller U1 is connected to a second end of the tenth resistor R10, a second end W3 of the auxiliary transformer is connected to a first end of the tenth resistor R10, a fourth end of the controller U1, the other end of the third capacitor C3, the other end of the third capacitor W3 of the auxiliary transformer and the other end of the fourth capacitor C4 are grounded, and a fourth end N of the auxiliary transformer is floating.
Further, the voltage regulation output module 7 includes a sixth capacitor C6, a fifth capacitor C5, a fourth diode D4, a thirteenth resistor R13, and a fourteenth resistor R14;
specifically, the anode of the fourth diode D4 and the first end of the secondary winding of the high-frequency transformer 4 are connected by a sixth capacitor C6, the other end of the sixth capacitor C6 is connected to the cathode of the fourth diode D4, the fifth capacitor C5, the fourteenth resistor R14 and the charging pile output port 8 through a thirteenth resistor R13, the other end of the fifth capacitor C5, the anode of the fifth diode and the second end of the primary winding of the high-frequency transformer 4 are commonly grounded, and the cathode of the fifth diode is connected to the other end of the fourteenth resistor R14.
In a specific embodiment, the silicon controlled SCR is a bidirectional silicon controlled SCR, and may be selected as T1650, and is used to control the rectifier T to operate in bridge full-wave rectification or center-tap full-wave rectification; the first switch tube N1 is an NPN-type triode 8050 or 2SC 2060; in the buffer module 3, redundant flyback power is consumed in a mode that the fifth resistor R5, the sixth resistor R6, the seventh resistor R7 and the eighth resistor R8 are connected in series and parallel, so that the control module 6 is protected, and the control module 6 is prevented from being damaged; the controller U1 can select a Link-Switch series product LNK613 to perform voltage stabilization control; the sixth capacitor C6 and the thirteenth resistor R13 are used for limiting transient voltage spikes on the fourth diode D4; the fifth diode is a zener diode and a fourteenth resistor R14 are selected to form a dummy load of the voltage stabilizing output module 7, so that the output voltage in no-load is ensured to be within an acceptable limit range, and the battery of the charging pile is ensured not to be completely discharged when the power supply is disconnected.
In the embodiment of the utility model, power supply supplies power for the circuit through power input port 1, steps down through the transformer in power processing module 2, when rethread self-adaptation rectifier T commutates the power, and carry out preliminary steady voltage processing to the input power, finally through filter capacitor output direct current voltage, receive the feedback signal of sampling module 5's feedback resistance output through control module 6, the internal switch of control module 6 control carries out regulation control high frequency transformer 4 output steady voltage; the self-adaptive rectifying unit can automatically change the working mode of rectification according to the voltage of a power supply, when the voltage is too high, the Silicon Controlled Rectifier (SCR) is not conducted, the self-adaptive rectifying unit works as center tap full-wave rectification, and when the voltage is too low, the self-adaptive rectifying unit works as bridge full-wave rectification; in the buffer module 3, the second capacitor C2 absorbs the peak voltage rising from the drain of the switch in the controller U1, and the fifth resistor R5, the sixth resistor R6, the seventh resistor R7 and the eighth resistor R8 consume redundant flyback power in a series-parallel connection manner; the sixth capacitor C6 and the thirteenth resistor R13 are used for limiting transient voltage spikes on the fourth diode D4; the fifth diode is a zener diode and a fourteenth resistor R14 are selected to form a dummy load of the voltage stabilizing output module 7, so that the output voltage in no-load is ensured to be within an acceptable limit range, and the charging pile is ensured not to be completely discharged when the power supply is disconnected.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a stake of charging of steady voltage power supply which characterized in that:
this electric pile is filled in steady voltage power supply includes: the device comprises a power input port, a power processing module, a buffer module, a high-frequency transformer, a sampling module, a control module, a voltage stabilizing output module and a charging pile output port;
the power input port is used for connecting a power supply to provide electric energy for the circuit;
the power supply processing module is used for carrying out voltage reduction, self-adaptive rectification and filtering processing on the power supply output by the power supply input port;
the buffer module is used for dissipating overvoltage to inhibit the switching stress generated by the control module when the control module is switched off;
the high-frequency transformer is used for further transforming voltage;
the sampling module is used for sampling the voltage stabilization output module and outputting a sampling signal;
the control module is used for controlling the transformation of the high-frequency transformer and receiving the sampling signal output by the sampling module;
the voltage stabilizing output module is used for outputting a stable voltage and protecting the rechargeable battery;
and the charging pile output port is used for connecting an external charging battery.
2. The charging pile for voltage stabilization and power supply according to claim 1, wherein the power supply processing module comprises a voltage reduction unit and an adaptive rectification filter unit;
the voltage reduction unit is used for reducing the voltage output by the power supply input port;
the self-adaptive rectifying and filtering unit is used for automatically changing the rectifying working mode and carrying out filtering treatment according to the voltage output by the voltage reduction unit;
the first end of the voltage reduction unit is connected with the output end of the power input port, the second end of the voltage reduction unit is connected with the first end of the self-adaptive rectification filter unit, and the second end of the self-adaptive rectification filter unit is connected with the first end of the buffer module.
3. The charging pile for voltage stabilization and power supply according to claim 2, wherein the voltage reduction unit comprises a first transformer; the self-adaptive rectifying and filtering unit comprises a rectifier, a first diode, a controlled silicon, a first switching tube, a first resistor, a second diode, a third resistor, a fourth resistor, a potentiometer and a first capacitor;
the first end of a secondary winding of the first transformer is connected with the first end of the rectifier, the second end of the secondary winding of the first transformer is connected with the transistor, the emitter of the first switch tube, the second resistor, the fourth resistor, the first capacitor and the ground end through the first diode, the third end of the secondary winding of the first transformer is connected with the third end of the rectifier, the second end of the rectifier is connected with the other end of the controlled silicon, the fourth end of the rectifier is connected with the other ends of the first resistor, the other end of the first resistor is connected with the collector of the first switch tube and the control end of the controlled silicon, the base of the first switch tube is connected with the slider end of the potentiometer through the second diode, the base of the first switch tube is further connected with the other end of the second resistor, and the other end of the fourth resistor is connected with the other end of the third resistor through the potentiometer.
4. The charging pile for voltage stabilization and power supply according to claim 3, wherein the buffering module comprises a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a second capacitor and a third diode;
the fifth resistor is connected with the fourth end of the rectifier, the seventh resistor, the second capacitor and the first end of the primary winding of the high-frequency transformer, the other end of the fifth resistor is connected with the sixth resistor, the other end of the seventh resistor and the eighth resistor, and the other end of the sixth resistor is connected with the other end of the eighth resistor, the other end of the second capacitor and the cathode of the third diode.
5. The voltage-stabilized power supply charging pile according to claim 1, characterized in that the sampling module comprises a tenth resistor and an eleventh resistor;
and the second end of the tenth resistor is connected with the eleventh resistor, and the other end of the eleventh resistor is grounded.
6. The charging pile for stabilizing power supply according to claim 5, wherein the control module comprises a controller, a ninth resistor, a third capacitor, a fourth capacitor and an auxiliary transformer;
the first end of the controller is connected with the anode of the third diode and the second end of the primary winding of the high-frequency transformer, the second end of the controller is connected with the ninth resistor and the third capacitor, the other end of the ninth resistor is connected with the fourth capacitor and the first end of the auxiliary transformer, the third end of the controller is connected with the second end of the tenth resistor, the second end of the auxiliary transformer is connected with the first end of the tenth resistor, and the fourth end of the controller, the other end of the third capacitor and the other end of the fourth capacitor are grounded together.
7. The charging pile for voltage-stabilizing power supply according to claim 1, wherein the voltage-stabilizing output module comprises a sixth capacitor, a fifth capacitor, a fourth diode, a thirteenth resistor and a fourteenth resistor;
the sixth capacitor is connected with the anode of the fourth diode and the first end of the secondary winding of the high-frequency transformer, the other end of the sixth capacitor is connected with the cathode of the fourth diode, the fifth capacitor, the fourteenth resistor and the charging pile output port through the thirteenth resistor, the other end of the fifth capacitor, the anode of the fifth diode and the second end of the primary winding of the high-frequency transformer are grounded together, and the cathode of the fifth diode is connected with the other end of the fourteenth resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121580437.9U CN215010071U (en) | 2021-07-13 | 2021-07-13 | Voltage-stabilizing power supply charging pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121580437.9U CN215010071U (en) | 2021-07-13 | 2021-07-13 | Voltage-stabilizing power supply charging pile |
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| Publication Number | Publication Date |
|---|---|
| CN215010071U true CN215010071U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121580437.9U Expired - Fee Related CN215010071U (en) | 2021-07-13 | 2021-07-13 | Voltage-stabilizing power supply charging pile |
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| Country | Link |
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| CN (1) | CN215010071U (en) |
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2021
- 2021-07-13 CN CN202121580437.9U patent/CN215010071U/en not_active Expired - Fee Related
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Granted publication date: 20211203 |