CN218848255U - Single-phase charging pile phase line detection system - Google Patents
Single-phase charging pile phase line detection system Download PDFInfo
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- CN218848255U CN218848255U CN202223402287.XU CN202223402287U CN218848255U CN 218848255 U CN218848255 U CN 218848255U CN 202223402287 U CN202223402287 U CN 202223402287U CN 218848255 U CN218848255 U CN 218848255U
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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
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Abstract
The utility model relates to a fill electric pile control circuit field, especially a single-phase charging stake phase line detecting system. The utility model discloses a set up detecting element on a great deal of block terminal that waits to detect to obtain the feedback information that corresponds the block terminal that is touched after filling electric pile and touched, and will feedback information sends the server takes notes, obtains the data that can assist the staff to carry out the phase line and detect. Therefore, system power supply management can be better performed, and the operation is simple and rapid.
Description
Technical Field
The utility model relates to a fill electric pile control circuit field, especially a single-phase charging stake phase line detecting system.
Background
With the development of economic technology and the improvement of living standard of people, electric energy becomes essential secondary energy in production and life of people, and brings endless convenience to production and life of people. In a low-voltage distribution network, a three-phase four-wire system is generally adopted for a power transmission line, namely a three-phase four-wire power transmission line, wherein three lines respectively represent three phases of A, B and C, and the other line is a zero line. Therefore, in the current power supply system, most of the devices and methods for detecting the phase of the electrical equipment are three-phase detection.
However, a large number of single-phase electric devices still exist at present, and the single-phase electric devices also have the detection requirement, and the single-phase power supply mode has fewer phase line detection modes and instruments. Therefore, the utility model provides a single-phase electric pile phase line detecting system that fills that can be used to single-phase equipment phase line detects.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, provide a single-phase electric pile phase line detecting system that fills.
In order to realize the purpose of the utility model, the utility model provides a following technical scheme:
a phase line detection system of a single-phase charging pile comprises a server and a plurality of detection units;
the server is in communication connection with the detection unit; the server is used for receiving feedback information returned by the detection unit;
the detection unit is arranged at the joint of the distribution box to be detected and the single-phase charging pile to be detected; the detection unit is used for obtaining disturbance feedback of the distribution box to be detected. The utility model discloses a set up detecting element on a great deal of block terminal that waits to detect to obtain the feedback information that corresponds the block terminal that is touched after filling electric pile and touched, and will feedback information sends the server takes notes, obtains the data that can assist the staff to carry out the phase line and detect. Therefore, system power supply management can be better performed, and the operation is simple and quick.
As a preferred embodiment of the present invention, the detection unit includes a phase current detection circuit, and a phase current detection circuit.
As a preferred aspect of the present invention, the a-phase current detection circuit, the B-phase current detection circuit, and the C-phase current detection circuit employ a current mutual inductance detection circuit.
As the preferred scheme of the utility model, mutual inductance detection circuit of current includes current transformer, resistance-capacitance ware, operational amplifier and a plurality of diode.
As a preferred scheme of the utility model, the input end of the current transformer is configured at the junction of the distribution box to be detected and the single-phase charging pile to be detected, and the output end of the current transformer is respectively connected with two ends of the resistor R2;
the first end of the resistor R2 is connected with the third end of the switching diode D1, the first end of the resistor R3 and the first end of the capacitor C1 respectively; the second end of the resistor R2 is connected with the second end of the capacitor C1 and the resistor R4 respectively; the first end of the switch diode D1 is connected with a 12V power supply, and the second end is connected with a-12V power supply; the second end of the resistor R1 is grounded;
the second end of the resistor R3 is respectively connected with the non-inverting input end of the operational amplifier U1A, the first end of the resistor R5 and the first end of the capacitor C2; the second end of the resistor R4 is respectively connected with the inverting input end of the operational amplifier U1A, the first end of the resistor R6 and the first end of the capacitor C5;
the second end of the resistor R5 is respectively connected with the second end of the capacitor C2, the first end of the capacitor C6, the second end of the capacitor C3 and the ground wire; the second end of the resistor R6 is connected with the second end of the capacitor C5, the output end of the operational amplifier U1A and the first end of the resistor R7 respectively; the first end of the capacitor C3 is respectively connected with a 12V power supply and the positive power supply input end of the operational amplifier U1A; the negative power supply input end of the operational amplifier U1A is respectively connected with a-12V power supply and a first end of a capacitor C4; the second end of the capacitor C4 is grounded;
the second end of the resistor R7 is connected with the second end of the resistor R8 and the non-inverting input end of the operational amplifier U1B respectively; the second end of the capacitor C6 is respectively connected with the first end of the resistor R8 and the 3.3V power supply;
the inverting input end of the operational amplifier U1B is respectively connected with the output end of the operational amplifier U1B and the first end of the resistor R9; the second end of the resistor R9 is respectively connected with the first end of the capacitor C7, the first end of the diode D2, the second end of the diode D3 and a communication interface of the server; the second end of the capacitor C7 is respectively connected with the first end of the diode D2 and the ground wire, and the second end of the diode D3 is connected with the 3.3V power supply.
As the utility model discloses a preferred scheme, the server is high in the clouds server or local server.
As the utility model discloses a preferred scheme still includes protection device, protection device set up in it is inside to wait to detect the block terminal.
As the preferred scheme of the utility model, protection device is air switch.
As the utility model discloses a preferred scheme, single-phase charging stake is alternating-current charging stake.
As the utility model discloses an optimal scheme, single-phase charging stake is direct current charging stake.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a set up detecting element on a great deal of block terminal that waits to detect to obtain the feedback information that corresponds the block terminal that is touched after filling electric pile and touched, and will feedback information sends the server takes notes, obtains the data that can assist the staff to carry out the phase line and detect. Therefore, system power supply management can be better performed, and the operation is simple and rapid.
Drawings
Fig. 1 is a schematic structural diagram of a phase line detection system of a single-phase charging pile according to embodiment 1 of the present invention;
fig. 2 is a schematic diagram of a connection relationship between detection units in the phase line detection system of the single-phase charging pile according to embodiment 2 of the present invention;
fig. 3 is an electrical schematic diagram of a current transformer detection circuit in a phase line detection system of a single-phase charging pile according to embodiment 2 of the present invention.
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. However, it should not be understood that the scope of the above subject matter is limited to the following embodiments, and all the technologies realized based on the content of the present invention are within the scope of the present invention.
Example 1
As shown in fig. 1, a phase line detection system for a single-phase charging pile includes a server and a plurality of detection units.
The server is in communication connection with the detection unit; the server is used for receiving the feedback information returned by the detection unit.
The detection unit is arranged at the joint of the distribution box to be detected and the single-phase charging pile to be detected; the detection unit is used for obtaining disturbance feedback of the distribution box to be detected.
Example 2
The present embodiment is different from embodiment 1 in that the detection unit includes an a-phase current detection circuit, a B-phase current detection circuit, and a C-phase current detection circuit. The current detection circuit is used for detecting the magnitude of phase line current between the distribution box and the single-phase charging pile. Fig. 2 is a connection diagram of one of the detection units.
The A-phase current detection circuit, the B-phase current detection circuit and the C-phase current detection circuit adopt current mutual inductance detection circuits. The current mutual inductance detection circuit comprises a current transformer, a capacitance resistance device, an operational amplifier and a plurality of diodes.
As shown in fig. 3, the input end of the current transformer is configured at the connection between the distribution box to be detected and the single-phase charging pile to be detected, and the output end of the current transformer is connected to two ends of the resistor R2 respectively;
the first end of the resistor R2 is respectively connected with the third end of the switch diode D1, the first end of the resistor R3 and the first end of the capacitor C1; the second end of the resistor R2 is connected with the second end of the capacitor C1 and the resistor R4 respectively; the first end of the switch diode D1 is connected with a 12V power supply, and the second end is connected with a-12V power supply; the second end of the resistor R1 is grounded;
the second end of the resistor R3 is respectively connected with the non-inverting input end of the operational amplifier U1A, the first end of the resistor R5 and the first end of the capacitor C2; the second end of the resistor R4 is respectively connected with the inverting input end of the operational amplifier U1A, the first end of the resistor R6 and the first end of the capacitor C5;
the second end of the resistor R5 is respectively connected with the second end of the capacitor C2, the first end of the capacitor C6, the second end of the capacitor C3 and the ground wire; the second end of the resistor R6 is respectively connected with the second end of the capacitor C5, the output end of the operational amplifier U1A and the first end of the resistor R7; the first end of the capacitor C3 is respectively connected with a 12V power supply and the positive power supply input end of the operational amplifier U1A; the negative power supply input end of the operational amplifier U1A is respectively connected with a-12V power supply and a first end of a capacitor C4; the second end of the capacitor C4 is grounded;
the second end of the resistor R7 is connected with the second end of the resistor R8 and the non-inverting input end of the operational amplifier U1B respectively; the second end of the capacitor C6 is respectively connected with the first end of the resistor R8 and the 3.3V power supply;
the inverting input end of the operational amplifier U1B is respectively connected with the output end of the operational amplifier U1B and the first end of the resistor R9; the second end of the resistor R9 is respectively connected with the first end of the capacitor C7, the first end of the diode D2, the second end of the diode D3 and a communication interface of the server; the second end of the capacitor C7 is respectively connected with the first end of the diode D3 and the ground wire, and the second end of the diode D2 is connected with the 3.3V power supply.
The server is a cloud server or a local server; when the cloud server is used, the server is communicated with the detection unit through a wireless module, a local area network or other networks; and when the server is a local server, the server communicates with the detection unit in a wireless module, a Bluetooth module, a WiFi module, a local area network or a wired communication mode.
Example 3
The present embodiment is different from embodiment 1 or 2 in that the single-phase charging pile is an ac charging pile or a dc charging pile.
Example 4
The difference between this embodiment and the foregoing embodiment is that the system further includes a protection device, where the protection device is disposed inside the distribution box to be detected, and plays a role in protecting equipment and distribution network safety.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A phase line detection system of a single-phase charging pile is characterized by comprising a server and a plurality of detection units;
the server is in communication connection with the detection unit; the server is used for receiving feedback information returned by the detection unit;
the detection unit is arranged at the joint of the distribution box to be detected and the single-phase charging pile to be detected; the detection unit is used for obtaining disturbance feedback of the distribution box to be detected.
2. The system for detecting the phase line of the single-phase charging pile according to claim 1, wherein the detection unit comprises a phase-A current detection circuit, a phase-B current detection circuit and a phase-C current detection circuit.
3. The system for detecting the phase line of the single-phase charging pile according to claim 2, wherein the phase-A current detection circuit, the phase-B current detection circuit and the phase-C current detection circuit adopt a current mutual inductance detection circuit.
4. The system for detecting the phase line of the single-phase charging pile according to claim 3, wherein the current mutual inductance detection circuit comprises a current transformer, a resistance-capacitance device, an operational amplifier and a plurality of diodes.
5. The system for detecting the phase line of the single-phase charging pile according to claim 4, wherein an input end of the current transformer is configured at a joint of the distribution box to be detected and the single-phase charging pile to be detected, and an output end of the current transformer is respectively connected with two ends of a resistor R2;
the first end of the resistor R2 is respectively connected with the third end of the switch diode D1, the first end of the resistor R3 and the first end of the capacitor C1; the second end of the resistor R2 is connected with the second end of the capacitor C1 and the resistor R4 respectively; the first end of the switch diode D1 is connected with a 12V power supply, and the second end is connected with a-12V power supply; the second end of the resistor R1 is grounded;
the second end of the resistor R3 is respectively connected with the non-inverting input end of the operational amplifier U1A, the first end of the resistor R5 and the first end of the capacitor C2; the second end of the resistor R4 is respectively connected with the inverting input end of the operational amplifier U1A, the first end of the resistor R6 and the first end of the capacitor C5;
the second end of the resistor R5 is respectively connected with the second end of the capacitor C2, the first end of the capacitor C6, the second end of the capacitor C3 and the ground wire; the second end of the resistor R6 is respectively connected with the second end of the capacitor C5, the output end of the operational amplifier U1A and the first end of the resistor R7; the first end of the capacitor C3 is respectively connected with a 12V power supply and the positive power supply input end of the operational amplifier U1A; the negative power supply input end of the operational amplifier U1A is respectively connected with a-12V power supply and a first end of a capacitor C4; the second end of the capacitor C4 is grounded;
the second end of the resistor R7 is connected with the second end of the resistor R8 and the non-inverting input end of the operational amplifier U1B respectively; the second end of the capacitor C6 is respectively connected with the first end of the resistor R8 and the 3.3V power supply;
the inverting input end of the operational amplifier U1B is respectively connected with the output end of the operational amplifier U1B and the first end of the resistor R9; the second end of the resistor R9 is respectively connected with the first end of the capacitor C7, the first end of the diode D2, the second end of the diode D3 and a communication interface of the server; the second end of the capacitor C7 is respectively connected with the first end of the diode D3 and the ground wire, and the second end of the diode D2 is connected with the 3.3V power supply.
6. The system for detecting the phase line of the single-phase charging pile according to claim 1, wherein the server is a cloud server or a local server.
7. The system for detecting the phase line of the single-phase charging pile according to claim 1, further comprising a protection device, wherein the protection device is arranged inside the distribution box to be detected.
8. The system for detecting the phase line of the single-phase charging pile according to claim 7, wherein the protection device is an air switch.
9. The system for detecting the phase line of the single-phase charging pile according to claim 1, wherein the single-phase charging pile is an alternating-current charging pile.
10. The system for detecting the phase line of the single-phase charging pile according to claim 1, wherein the single-phase charging pile is a direct-current charging pile.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223402287.XU CN218848255U (en) | 2022-12-19 | 2022-12-19 | Single-phase charging pile phase line detection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223402287.XU CN218848255U (en) | 2022-12-19 | 2022-12-19 | Single-phase charging pile phase line detection system |
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| CN218848255U true CN218848255U (en) | 2023-04-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117949743A (en) * | 2024-03-26 | 2024-04-30 | 四川英杰新能源有限公司 | Phase line detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117949743A (en) * | 2024-03-26 | 2024-04-30 | 四川英杰新能源有限公司 | Phase line detection method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 618000, No.19 Tumenjiang Road, Deyang City, Sichuan Province Patentee after: Sichuan Yingjie New Energy Co.,Ltd. Address before: 618000 northeast corner of Minshan road and Tumenjiang Road, economic development zone, Deyang City, Sichuan Province Patentee before: SICHUAN WEIYU ELECTRIC Co.,Ltd. |
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| CP03 | Change of name, title or address |