CN220730366U - Three-phase alternating-current charging pile relay control and adhesion detection circuit - Google Patents
Three-phase alternating-current charging pile relay control and adhesion detection circuit Download PDFInfo
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- CN220730366U CN220730366U CN202321019102.9U CN202321019102U CN220730366U CN 220730366 U CN220730366 U CN 220730366U CN 202321019102 U CN202321019102 U CN 202321019102U CN 220730366 U CN220730366 U CN 220730366U
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- 238000001514 detection method Methods 0.000 title claims abstract description 40
- 239000003990 capacitor Substances 0.000 claims description 30
- 102100023882 Endoribonuclease ZC3H12A Human genes 0.000 claims description 24
- 101710112715 Endoribonuclease ZC3H12A Proteins 0.000 claims description 24
- 108700012361 REG2 Proteins 0.000 claims description 24
- 101150108637 REG2 gene Proteins 0.000 claims description 24
- 101100120298 Rattus norvegicus Flot1 gene Proteins 0.000 claims description 24
- 101100412403 Rattus norvegicus Reg3b gene Proteins 0.000 claims description 24
- QGVYYLZOAMMKAH-UHFFFAOYSA-N pegnivacogin Chemical compound COCCOC(=O)NCCCCC(NC(=O)OCCOC)C(=O)NCCCCCCOP(=O)(O)O QGVYYLZOAMMKAH-UHFFFAOYSA-N 0.000 claims description 24
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model discloses a relay control and adhesion detection circuit of a three-phase alternating-current charging pile, which comprises a terminal interface circuit, a relay control circuit and an adhesion detection circuit, wherein the relay control circuit and the adhesion detection circuit are respectively and electrically connected with the terminal interface circuit, and the adhesion detection circuit comprises a first power end, a resistor R6, a first adhesion feedback end and a second adhesion feedback end. The relay control and adhesion detection circuit for the three-phase alternating current charging pile disclosed by the utility model is linked through the relay control circuit, the adhesion detection circuit and the terminal interface circuit, so that the control and adhesion detection of two relays are realized, the relay control and adhesion detection circuit can be compatible with the relay control and adhesion detection of a single-phase charging pile, and the function that the charging pile relay can monitor the working state of the relay is realized.
Description
Technical Field
The utility model belongs to the technical field of alternating-current charging piles, and particularly relates to a relay control and adhesion detection circuit for a three-phase alternating-current charging pile.
Background
With the rapid development of new energy automobiles, various automobile manufacturers strive to push out new energy automobiles, and the demand for charging new energy automobiles by using charging piles is increasing. The charging pile comprises an alternating current charging pile and a direct current charging pile. The alternating current charging pile is equivalent to an intelligent relay. In order to ensure the stability and safety of charging, it is necessary to detect the operating state of the relay.
The traditional three-phase alternating current charging pile for detecting the working state of the relay is complex in circuit, high in cost and unfavorable for popularization and application of the alternating current charging pile. Therefore, how to provide a control and detection circuit for a three-phase ac charging station relay, which reduces the cost of detecting the working state of the relay, is a technical problem to be solved.
Disclosure of Invention
The utility model mainly aims to provide a relay control and adhesion detection circuit for a three-phase alternating-current charging pile, which is used for realizing the control and adhesion detection of two relays by linkage of a relay control circuit, an adhesion detection circuit and a terminal interface circuit, is compatible with the relay control and adhesion detection of a single-phase charging pile, and realizes the function that the charging pile relay can monitor the working state of the charging pile.
In order to achieve the above object, the utility model provides a relay control and adhesion detection circuit for a three-phase alternating current charging pile, which comprises a terminal interface circuit (connected with a singlechip), a relay control circuit and an adhesion detection circuit, wherein the relay control circuit and the adhesion detection circuit are respectively and electrically connected with the terminal interface circuit, and the relay control circuit and the adhesion detection circuit are characterized in that:
the adhesion detection circuit comprises a first power supply end (+ 5V), a resistor R6, a first adhesion feedback end (H-DI 3) and a second adhesion feedback end (H-DI 6), wherein the first adhesion feedback end and the second adhesion feedback end are respectively connected with the first power supply end through the resistor R6;
the relay control circuit includes a relay REG1 and a relay REG2, wherein:
the 7 pin of the relay REG2 is connected with the live wire end L1in and the 2 pin is connected with the live wire end L1out, the 8 pin of the relay REG2 is connected with the zero wire end Nin and the 1 pin is connected with the zero wire end N, the 6 pin of the relay REG2 is electrically connected with the second adhesion feedback end, and the 4 pin of the relay REG2 is electrically connected with the collector electrode of the triode Q2;
the 7 pin of the relay REG1 is connected with the live wire end L2in and the 2 pin is connected with the live wire end L2out, the 8 pin of the relay REG1 is connected with the live wire end L3in and the 1 pin is connected with the live wire end L3out, the 6 pin of the relay REG1 is electrically connected with the first adhesion feedback end, and the 4 pin of the relay REG1 is electrically connected with the collector electrode of the triode Q1;
the terminal interface circuit comprises an interface (namely PHB2.0-8P in FIG. 1), a first feedback interface (3 pins) of the interface is electrically connected with the first adhesion feedback end, a second feedback interface (4 pins) of the interface is electrically connected with the second adhesion feedback end, one path of control ends (5, 6 pins) of the interface is electrically connected with the base electrode of the triode Q1 through a resistor R1, and the other path of control ends (5, 6 pins) of the interface is electrically connected with the base electrode of the triode Q2 through a resistor R3.
As a further preferable technical solution of the above technical solution, a capacitor C1 is connected between the 4 pin and the 5 pin of the relay REG1, two ends of the capacitor C1 are connected in parallel with a diode D1, the 5 pin of the relay REG1 is also connected with a second power supply end (+12v), a capacitor C3 is connected between the base and the emitter of the triode Q1, and two ends of the capacitor C3 are connected in parallel with a resistor R2.
As a further preferable technical solution of the above technical solution, a capacitor C2 is connected between the 4 pin and the 5 pin of the relay REG2, two ends of the capacitor C2 are connected in parallel with a diode D2, the 5 pin of the relay REG2 is also connected with a second power supply end (+12v), a capacitor C4 is connected between the base and the emitter of the triode Q2, and two ends of the capacitor C4 are connected in parallel with a resistor R4.
As a further preferable embodiment of the above-mentioned embodiment, the 3 pin of the relay REG1 is grounded and a capacitor C5 is connected between the collector and the emitter of the transistor Q1.
As a further preferable embodiment of the above-mentioned embodiment, the 3 pin of the relay REG2 is grounded and a capacitor C6 is connected between the collector and the emitter of the transistor Q2.
Drawings
Fig. 1 is a circuit diagram of a three-phase ac charging stake relay control and adhesion detection circuit of the present utility model.
Fig. 2 is a schematic diagram of a three-phase ac charging stake relay control and adhesion detection circuit of the present utility model.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.
The utility model discloses a relay control and adhesion detection circuit for a three-phase alternating-current charging pile, and the following describes a specific embodiment of the utility model in combination with a preferred embodiment.
In the embodiments of the present utility model, it is noted by those skilled in the art that the ac charging stake or the like to which the present utility model relates can be regarded as the prior art.
Preferred embodiments.
The utility model discloses a relay control and adhesion detection circuit of a three-phase alternating-current charging pile, which comprises a terminal interface circuit (connected with a singlechip MCU (micro control unit), preferably an AT32F series), a relay control circuit and an adhesion detection circuit, wherein the relay control circuit and the adhesion detection circuit are respectively and electrically connected with the terminal interface circuit, and the relay control circuit comprises:
the adhesion detection circuit comprises a first power supply end (+ 5V), a resistor R6, a first adhesion feedback end (H-DI 3) and a second adhesion feedback end (H-DI 6), wherein the first adhesion feedback end and the second adhesion feedback end are respectively connected with the first power supply end through the resistor R6;
the relay control circuit includes a relay REG1 and a relay REG2, wherein:
the 7 pin of the relay REG2 is connected with the live wire end L1in and the 2 pin is connected with the live wire end L1out, the 8 pin of the relay REG2 is connected with the zero wire end Nin and the 1 pin is connected with the zero wire end N, the 6 pin of the relay REG2 is electrically connected with the second adhesion feedback end, and the 4 pin of the relay REG2 is electrically connected with the collector electrode of the triode Q2;
the 7 pin of the relay REG1 is connected with the live wire end L2in and the 2 pin is connected with the live wire end L2out, the 8 pin of the relay REG1 is connected with the live wire end L3in and the 1 pin is connected with the live wire end L3out, the 6 pin of the relay REG1 is electrically connected with the first adhesion feedback end, and the 4 pin of the relay REG1 is electrically connected with the collector electrode of the triode Q1;
the terminal interface circuit comprises an interface (namely PHB2.0-8P in FIG. 1), a first feedback interface (3 pins) of the interface is electrically connected with the first adhesion feedback end, a second feedback interface (4 pins) of the interface is electrically connected with the second adhesion feedback end, one path of control ends (5, 6 pins) of the interface is electrically connected with the base electrode of the triode Q1 through a resistor R1, and the other path of control ends (5, 6 pins) of the interface is electrically connected with the base electrode of the triode Q2 through a resistor R3.
Specifically, a capacitor C1 is connected between the 4 pin and the 5 pin of the relay REG1, two ends of the capacitor C1 are connected with a diode D1 in parallel, the 5 pin of the relay REG1 is also connected with a second power supply end (+12v), a capacitor C3 is connected between the base and the emitter of the triode Q1, and two ends of the capacitor C3 are connected with a resistor R2 in parallel.
More specifically, a capacitor C2 is connected between the 4 pin and the 5 pin of the relay REG2, two ends of the capacitor C2 are connected in parallel with a diode D2, the 5 pin of the relay REG2 is also connected with a second power supply end (+12v), a capacitor C4 is connected between the base and the emitter of the triode Q2, and two ends of the capacitor C4 are connected in parallel with a resistor R4.
Further, the 3 pin of the relay REG1 is grounded and a capacitor C5 is connected between the collector and emitter of the triode Q1.
Further, the 3 pin of the relay REG2 is grounded and a capacitor C6 is connected between the collector and emitter of the transistor Q2.
Preferably, the principle of the utility model is:
the H-DI3 and H-DI6 are adhesion detection feedback receiving ports of the MCU, when one of the L1 and N is adhered, the H-DI3 outputs a high level, when one of the L2 and L3 is adhered, the H-DI6 outputs a high level, and the high level is fed back to the interface through an adhesion feedback end and then is input to the singlechip to realize functions of alarming, reminding and the like;
RL1 is MCU to relay control signal mouth, and the singlechip passes through the interface realization to the control of two relays.
The utility model can be compatible with relay control and adhesion detection of the single-phase charging pile, and the charging pile relay can monitor the function of the working state of the charging pile.
It should be noted that technical features such as a relay control and adhesion detection circuit of a three-phase ac charging pile according to the present utility model should be considered as the prior art, and specific structures, working principles, and control modes and spatial arrangement modes possibly related to the technical features should be selected conventionally in the art, and should not be considered as the utility model point of the present utility model, and the present utility model is not further specifically developed.
Modifications of the embodiments described above, or equivalents of some of the features may be made by those skilled in the art, and any modifications, equivalents, improvements or etc. within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.
Claims (5)
1. The utility model provides a three-phase alternating current charging stake relay control and adhesion detection circuitry, its characterized in that includes terminal interface circuit, relay control circuit and adhesion detection circuitry, relay control circuit with adhesion detection circuitry respectively with terminal interface circuit electric connection, wherein:
the adhesion detection circuit comprises a first power supply end, a resistor R6, a first adhesion feedback end and a second adhesion feedback end, wherein the first adhesion feedback end and the second adhesion feedback end are respectively connected with the first power supply end through the resistor R6;
the relay control circuit includes a relay REG1 and a relay REG2, wherein:
the 7 pin of the relay REG2 is connected with the live wire end L1in and the 2 pin is connected with the live wire end L1out, the 8 pin of the relay REG2 is connected with the zero wire end Nin and the 1 pin is connected with the zero wire end N, the 6 pin of the relay REG2 is electrically connected with the second adhesion feedback end, and the 4 pin of the relay REG2 is electrically connected with the collector electrode of the triode Q2;
the 7 pin of the relay REG1 is connected with the live wire end L2in and the 2 pin is connected with the live wire end L2out, the 8 pin of the relay REG1 is connected with the live wire end L3in and the 1 pin is connected with the live wire end L3out, the 6 pin of the relay REG1 is electrically connected with the first adhesion feedback end, and the 4 pin of the relay REG1 is electrically connected with the collector electrode of the triode Q1;
the terminal interface circuit comprises an interface, a first feedback interface of the interface is electrically connected with the first adhesion feedback end, a second feedback interface of the interface is electrically connected with the second adhesion feedback end, one path of a control end of the interface is electrically connected with a base electrode of the triode Q1 through a resistor R1, and the other path of a control end of the interface is electrically connected with a base electrode of the triode Q2 through a resistor R3.
2. The three-phase alternating current charging pile relay control and adhesion detection circuit according to claim 1, wherein a capacitor C1 is connected between 4 pins and 5 pins of the relay REG1, two ends of the capacitor C1 are connected in parallel with a diode D1, the 5 pins of the relay REG1 are also connected with a second power supply end, a capacitor C3 is connected between a base and an emitter of the triode Q1, and two ends of the capacitor C3 are connected in parallel with a resistor R2.
3. The three-phase alternating current charging pile relay control and adhesion detection circuit according to claim 2, wherein a capacitor C2 is connected between 4 pins and 5 pins of the relay REG2, two ends of the capacitor C2 are connected in parallel with a diode D2, the 5 pins of the relay REG2 are also connected with a second power supply terminal, a capacitor C4 is connected between a base and an emitter of the triode Q2, and two ends of the capacitor C4 are connected in parallel with a resistor R4.
4. A three-phase ac charging stake relay control and adhesion detection circuit as claimed in claim 3, characterized in that the 3 pin of the relay REG1 is grounded and a capacitor C5 is connected between the collector and emitter of the transistor Q1.
5. The three-phase ac charging stake relay control and adhesion detection circuit as claimed in claim 4, wherein 3 pin of the relay REG2 is grounded and a capacitor C6 is connected between the collector and emitter of the transistor Q2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321019102.9U CN220730366U (en) | 2023-04-26 | 2023-04-26 | Three-phase alternating-current charging pile relay control and adhesion detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321019102.9U CN220730366U (en) | 2023-04-26 | 2023-04-26 | Three-phase alternating-current charging pile relay control and adhesion detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220730366U true CN220730366U (en) | 2024-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321019102.9U Active CN220730366U (en) | 2023-04-26 | 2023-04-26 | Three-phase alternating-current charging pile relay control and adhesion detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220730366U (en) |
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2023
- 2023-04-26 CN CN202321019102.9U patent/CN220730366U/en active Active
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