CN213091771U - Direct current fills electric pile detection device - Google Patents
Direct current fills electric pile detection device Download PDFInfo
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- CN213091771U CN213091771U CN202021158796.0U CN202021158796U CN213091771U CN 213091771 U CN213091771 U CN 213091771U CN 202021158796 U CN202021158796 U CN 202021158796U CN 213091771 U CN213091771 U CN 213091771U
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Abstract
The utility model provides a direct current fills electric pile detection device, include: the device comprises a main control device (4), a fault simulation device and a resistance voltage adjusting device; the main control device (4) is externally connected with an upper computer, and the fault simulation device is externally connected with a direct current charging pile, the upper computer, an information acquisition device and a load device; the main control device (4) is respectively connected with the fault simulation device and the resistance voltage adjusting device, controls the fault simulation device to simulate various fault conditions according to the instruction of the upper computer, and adjusts the resistance and the voltage of the resistance voltage adjusting device; the utility model discloses a host computer that control and master control set are connected just can reach the effect of adjusting resistance voltage and controlling whole device analog fault, and not only degree of automation is high, need not manually operation, and detection efficiency is high, still avoids operating personnel and equipment direct contact, reduces the risk of electric shock.
Description
Technical Field
The utility model relates to a direct current technical field that charges, concretely relates to direct current fills electric pile detection device.
Background
At present, the direction of rapid development of electric automobiles and matched charging and discharging facilities is clear. However, the direct current charging pile which is built and put into use often has problems, and inconvenience is brought to charging of electric automobile users; if the potential safety hazard of direct current charging pile can not be found in time, the charging safety accident can be caused, and even the safety of personnel is threatened. In order to ensure that the direct current charging pile operates under a safe working condition, personnel in the charging facility industry come out of a series of standards, and strict regulations are provided for the charging process in the aspects of interconnection, communication protocols, electrical performance and safety. Along with the continuous expansion of charging service network, the direct current fills electric pile and keeps the volume and constantly rises, carries out daily maintenance and maintenance operating pressure to it and increases day by day, and the mode through artifical detection is consuming time and is hard and can't guarantee efficiency.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned not enough that exists among the prior art, the utility model provides an degree of automation is high, need not manually operation direct current and fills electric pile detection device.
The purpose of the utility model is realized by the following technical scheme:
the utility model provides a direct current fills electric pile detection device, include: the device comprises a main control device (4), a fault simulation device and a resistance voltage adjusting device;
the main control device (4) is externally connected with an upper computer, and the fault simulation device is externally connected with a direct current charging pile, the upper computer, an information acquisition device and a load device;
the main control device (4) is respectively connected with the fault simulation device and the resistance voltage adjusting device, controls the fault simulation device to simulate various fault conditions according to the instruction of the upper computer, and adjusts the resistance and the voltage of the resistance voltage adjusting device.
Preferably, the fault simulation apparatus includes: the charging pile output socket device (2) and the simulation interface acquisition device (5);
the charging pile output socket device (2) is externally connected with a direct current charging pile, and the simulation interface acquisition device (5) is externally connected with an upper computer, an information acquisition device and a load device;
the charging pile output socket device (2) is connected with the simulation interface acquisition device (5) through a signal line;
the main control device (4) is connected with the signal line and controls the disconnection and connection of the signal line to simulate various fault conditions according to the instruction of the upper computer.
Preferably, the resistance voltage adjusting apparatus includes: a battery voltage simulation device (3) and an adjustable resistance device (15);
the battery voltage simulation device (3) and the adjustable resistance device (15) are respectively connected with the signal line and the main control device (4);
the main control device (4) adjusts the voltage of the battery voltage simulation device (3) according to the instruction of the upper computer;
the main control device (4) adjusts the resistance of the adjustable resistance device (15) according to the instruction of the upper computer;
the battery voltage simulation device (3) is connected with a lead connected with the signal line and the main control device (4), and the main control device (4) controls the disconnection and connection of the lead.
Preferably, switches are arranged on a signal wire connected with the charging pile output socket device (2) and the simulation interface acquisition device (5) and on a lead connected with the battery voltage simulation device (3) and the signal wire;
and the master control device (4) controls the disconnection and connection of the switch.
Preferably, the dc charging pile detection device further includes: a load wiring port, a CAN1 communication interface (6) and a CAN2 communication interface (7);
the main control device (4) is connected with an upper computer through the CAN1 communication interface (6);
the simulation interface acquisition device (5) is connected with an upper computer through the CAN2 communication interface (7);
the simulation interface acquisition device (5) is connected with the load device through the load wiring port.
Preferably, the shell (1) of the direct current charging pile detection device is of a cube structure;
the charging pile output socket device (2) and the simulation interface acquisition device (5) are arranged on the front panel of the cube structure;
the load wiring port, the CAN1 communication interface (6) and the CAN2 communication interface (7) are arranged on the rear panel of the cube structure.
Preferably, the dc charging pile detection device further includes: a current collection device (19);
the current acquisition device (19) is arranged on a signal line connected with the charging pile output socket device (2) and the simulation interface acquisition device (5) and is connected with the simulation interface acquisition device (5).
Preferably, the master control device (4) adopts a QLPLC-15 master control device.
Preferably, the battery voltage simulator (3) adopts a DCT-1002 battery voltage simulator, and the output voltage regulating range is 0-1000V.
Preferably, the adjustable resistance device (15) adopts a rheostat, and the resistance adjusting range is 0-5000 omega.
Compared with the closest prior art, the beneficial effects of the utility model reside in that:
the utility model provides a direct current fills electric pile detection device, include: the device comprises a main control device (4), a fault simulation device and a resistance voltage adjusting device; the main control device (4) is externally connected with an upper computer, and the fault simulation device is externally connected with a direct current charging pile, the upper computer, an information acquisition device and a load device; the main control device (4) is respectively connected with the fault simulation device and the resistance voltage adjusting device, controls the fault simulation device to simulate various fault conditions according to the instruction of the upper computer, and adjusts the resistance and the voltage of the resistance voltage adjusting device; the utility model discloses a host computer that control and master control set are connected just can reach the effect of adjusting resistance voltage and controlling whole device analog fault, and not only degree of automation is high, need not manually operation, and detection efficiency is high, still avoids operating personnel and equipment direct contact, reduces the risk of electric shock.
Drawings
FIG. 1: the structure of the utility model is shown schematically;
FIG. 2: the internal wiring schematic diagram of the utility model;
reference numerals:
1-shell, 2-charging pile output socket device, 3-battery voltage simulation device, 4-master control device, 5-simulation interface acquisition device, 6-CAN1 communication interface, 7-CAN2 communication interface, 8.1-DC + voltage acquisition interface, 8.2-DC-voltage acquisition interface, 9-protective grounding wire PE1 acquisition interface, 10.1-CAN-H charging communication, 10.2-CAN-L charging communication, 11-charging connection confirmation wire CC1 acquisition interface, 12-charging connection confirmation wire CC2 acquisition interface, 13.1-low-voltage auxiliary power supply positive acquisition interface, 13.2-low-voltage auxiliary power supply negative acquisition interface, 14-signal wire switch device, 15-adjustable resistance device, 16-lead switch device, 17-load positive terminal, 18-load negative terminal, 19-current collecting device, 19.1-HI current collecting interface and 19.2-LO current collecting interface.
Detailed Description
For better understanding of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
The utility model provides a direct current fills electric pile detection device, as shown in FIG. 1, include: the main control device 4, the fault simulation device and the resistance voltage adjusting device;
the main control device 4 is externally connected with an upper computer, and the fault simulation device is externally connected with a direct current charging pile, the upper computer, an information acquisition device and a load device;
the upper computer comprises a written test flow program, then the test flow program is given an instruction to the main control device 4, and the upper computer can also manually give the instruction for switching on and off the switch to the main control device 4.
The main control device 4 is respectively connected with the fault simulation device and the resistance voltage adjusting device, controls the fault simulation device to simulate various fault conditions according to the instruction of the upper computer, and adjusts the resistance and the voltage of the resistance voltage adjusting device.
As shown in fig. 2, the fault simulation apparatus includes: the charging pile output socket device 2 and the simulation interface acquisition device 5;
the charging pile output socket device 2 is externally connected with a direct current charging pile, and the simulation interface acquisition device 5 is externally connected with an upper computer, an information acquisition device and a load device;
the charging pile output socket device 2 is connected with the simulation interface acquisition device 5 through a signal line;
the main control device 4 is connected with the signal line and controls the disconnection and connection of the signal line to simulate various fault conditions according to the instruction of the upper computer.
The resistance voltage adjusting apparatus includes: a battery voltage simulation device 3 and an adjustable resistance device 15;
the battery voltage simulation device 3 and the adjustable resistance device 15 are respectively connected with the signal line and the main control device 4;
the main control device 4 adjusts the voltage of the battery voltage simulation device 3 according to the instruction of the upper computer;
the main control device 4 adjusts the resistance of the adjustable resistance device 15 according to the instruction of the upper computer;
the battery voltage simulation device 3 is connected with a lead connected with the signal line and the main control device 4, and the main control device 4 controls the disconnection and connection of the lead.
Switches are arranged on a signal wire connected with the simulation interface acquisition device 5 and a signal wire connected with the battery voltage simulation device 3 and the signal wire respectively;
the main control device 4 controls the disconnection and connection of the switch.
Direct current fills electric pile detection device still includes: a load wiring port, a CAN1 communication interface 6 and a CAN2 communication interface 7;
the main control device 4 is connected with an upper computer through the CAN1 communication interface 6;
the simulation interface acquisition device 5 is connected with an upper computer through the CAN2 communication interface 7;
the simulation interface acquisition device 5 is connected with the load device through the load wiring port.
The shell 1 of the direct current charging pile detection device is of a cube structure;
the charging pile output socket device 2 and the simulation interface acquisition device 5 are arranged on the front panel of the cube structure;
the load wiring port, the CAN1 communication interface 6 and the CAN2 communication interface 7 are arranged on the rear panel of the cube structure.
Direct current fills electric pile detection device still includes: a current collection device 19;
the current collection device 19 is arranged on a signal line connecting the charging pile output socket device 2 and the simulation interface collection device 5, and is connected with the simulation interface collection device 5.
The main control device 4 adopts a QLPLC-15 main control device, and an internal program of the main control device applies an operation command program.
The current acquisition device 19 adopts a current transformer.
The battery voltage simulator 3 adopts a DCT-1002 battery voltage simulator, and the output voltage regulating range is 0-1000V.
The adjustable resistance device 15 adopts a rheostat, and the resistance adjusting range is 0-5000 omega.
Specifically, this device includes shell 1, fills electric pile output socket device 2, battery voltage analogue means 3, master control set 4, simulation interface collection system 5, CAN1 communication interface 6, CAN2 communication interface 7, switching device, adjustable resistance device 15, current acquisition device 19.
The shell 1 is a cube structure and comprises 6 panels. Wherein, the front panel contains fills electric pile output socket device 2, simulation interface collection system 5, and the rear panel contains inlet wire power source, CAN1 communication interface 6, CAN2 communication interface 7, load positive terminal 17 and load negative terminal 18.
The connecting wires in the device correspond to and are connected with the charging pile control guide connecting wires, and nine signal wires are provided, namely a positive electrode connecting wire (DC +), a negative electrode connecting wire (DC-), a grounding wire (PE), communication wires (S +, S-), charging connection confirming wires (CC1, CC2) and low-voltage auxiliary power wires (A +, A-).
The signal line is provided with a signal line switch device 14 (K1-K9), and the on and off states of the signal line switch device are controlled by the main control device 4 in the charging pile testing process to simulate various fault conditions.
The positive wiring (DC +) and the negative wiring (DC-) are respectively connected with a load positive terminal 17 and a load negative terminal 18, and the load positive terminal 17 and the load negative terminal 18 are arranged on a rear panel of the interface device and are connected with an external load device to form a charging loop of the charging pile.
The battery voltage simulation device is respectively connected with a positive electrode wiring (DC +) and a negative electrode wiring (DC-) through lead switch devices 16(K10 and K11) and is connected with a main control device.
The lead switch devices 16(K10, K11) are controlled by a main control device to be in an on-off state, and are used for simulating the voltage of the batteries of the electric automobile.
The output voltage of the battery voltage simulation device 3 is 0-1000V, and the master control device controls the adjustment of the voltage value of the battery voltage simulation device to simulate the starting condition of the charging pile under different voltages.
The main control device is respectively connected with the switch device, the battery voltage simulation device 3 and the adjustable resistance device 15, and the switch device comprises 11 paths of switch devices from K1 to K11.
The switching device includes but is not limited to a controllable switch such as a contactor, a relay, etc.
The resistance value of the adjustable resistance device is continuously adjustable within the range of 0-5000 omega, the voltage of the charging connection confirmation line CC1 can be changed through adjustment of the resistance value, and various connection states can be simulated.
The analog interface acquisition device 5 has 11 signal acquisition interfaces in total, and the 11 signal interfaces are respectively: the device comprises a DC + voltage acquisition interface 8.1, a DC-voltage acquisition interface 8.2, a protection grounding wire PE1 acquisition interface 9, a CAN-H charging communication 10.1, a CAN-L charging communication 10.2, a charging connection confirmation line CC1 acquisition interface 11, a charging connection confirmation line CC2 acquisition interface 12, a low-voltage auxiliary power supply positive acquisition interface 13.1, a low-voltage auxiliary power supply negative acquisition interface 13.2, a HI current acquisition interface 19.1 and an LO current acquisition interface 19.2, wherein the signal acquisition interface CAN be connected with an external acquisition device through a connecting wire to provide signals for controlling a guide circuit for the external acquisition device. The external acquisition device can be a waveform acquisition device such as a wave recorder and an oscilloscope.
The CAN1 communication interface 6 is a control signal line interface and is respectively connected with the main control device 4 and an external upper computer. The external upper computer can be an industrial personal computer and a portable notebook computer device, and a special vehicle simulation test software is adopted to issue a control instruction to the main control device.
The CNA2 communication interface 7 is a charging pile communication interface and is respectively connected with a charging pile control system and an external upper computer. And the external upper computer is communicated with the charging pile control system by using vehicle simulation test software to simulate the whole charging process of the vehicle.
The current collection device 19 adopts a current transformer, is placed in a positive wiring (DC +) and is used for collecting the direct current output current of the charging pile.
The output interface of the current collecting device 19 is placed in the analog interface collecting device and can be connected with an external collecting device through a connecting wire, so that an actual current value is provided for the external collecting device.
The utility model has the advantages of detect process automation, test speed is fast, the test accuracy is high, the test is safe.
The charging process is simulated by automatically controlling the on-off of the switch through the upper computer, the degree of automation is high, and manual operation is not needed.
The charging process is simulated by automatically controlling the on-off of the switch through the upper computer, various states are automatically simulated, related signals are automatically acquired, and the detection efficiency is high.
Through host computer automatic control switch break-make simulation charging process, avoid operating personnel and equipment direct contact, reduce the risk of electrocution.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only exemplary of the invention and is not intended to limit the invention, and any modifications, equivalent alterations, improvements and the like which are made within the spirit and principle of the invention are all included in the scope of the claims which are appended hereto.
Claims (10)
1. The utility model provides a direct current fills electric pile detection device which characterized in that includes: the device comprises a main control device (4), a fault simulation device and a resistance voltage adjusting device;
the main control device (4) is externally connected with an upper computer, and the fault simulation device is externally connected with a direct current charging pile, the upper computer, an information acquisition device and a load device;
the main control device (4) is respectively connected with the fault simulation device and the resistance voltage adjusting device, controls the fault simulation device to simulate various fault conditions according to the instruction of the upper computer, and adjusts the resistance and the voltage of the resistance voltage adjusting device.
2. The dc charging pile detection device according to claim 1, wherein the fault simulation device comprises: the charging pile output socket device (2) and the simulation interface acquisition device (5);
the charging pile output socket device (2) is externally connected with a direct current charging pile, and the simulation interface acquisition device (5) is externally connected with an upper computer, an information acquisition device and a load device;
the charging pile output socket device (2) is connected with the simulation interface acquisition device (5) through a signal line;
the main control device (4) is connected with the signal line and controls the disconnection and connection of the signal line to simulate various fault conditions according to the instruction of the upper computer.
3. The dc charging pile detection device according to claim 2, wherein the resistance voltage adjustment device comprises: a battery voltage simulation device (3) and an adjustable resistance device (15);
the battery voltage simulation device (3) and the adjustable resistance device (15) are respectively connected with the signal line and the main control device (4);
the main control device (4) adjusts the voltage of the battery voltage simulation device (3) according to the instruction of the upper computer;
the main control device (4) adjusts the resistance of the adjustable resistance device (15) according to the instruction of the upper computer;
the battery voltage simulation device (3) is connected with a lead connected with the signal line and the main control device (4), and the main control device (4) controls the disconnection and connection of the lead.
4. The direct-current charging pile detection device according to claim 3, wherein a switch is arranged on a signal line connecting the charging pile output socket device (2) and the analog interface acquisition device (5) and a wire connecting the battery voltage analog device (3) and the signal line;
and the master control device (4) controls the disconnection and connection of the switch.
5. The dc charging post detection device according to claim 2, further comprising: a load wiring port, a CAN1 communication interface (6) and a CAN2 communication interface (7);
the main control device (4) is connected with an upper computer through the CAN1 communication interface (6);
the simulation interface acquisition device (5) is connected with an upper computer through the CAN2 communication interface (7);
the simulation interface acquisition device (5) is connected with the load device through the load wiring port.
6. The direct current charging pile detection device according to claim 5, wherein the housing (1) of the direct current charging pile detection device is a cube structure;
the charging pile output socket device (2) and the simulation interface acquisition device (5) are arranged on the front panel of the cube structure;
the load wiring port, the CAN1 communication interface (6) and the CAN2 communication interface (7) are arranged on the rear panel of the cube structure.
7. The dc charging post detection device according to claim 2, further comprising: a current collection device (19);
the current acquisition device (19) is arranged on a signal line connected with the charging pile output socket device (2) and the simulation interface acquisition device (5) and is connected with the simulation interface acquisition device (5).
8. The dc charging pile detection device according to claim 1, wherein the main control device (4) is a QLPLC-15 main control device.
9. The direct current charging pile detection device as claimed in claim 3, wherein the battery voltage simulator (3) adopts a DCT-1002 battery voltage simulator, and the output voltage regulation range is 0-1000V.
10. The direct current charging pile detection device as claimed in claim 3, wherein the adjustable resistance device (15) is a rheostat, and the resistance adjustment range is 0-5000 Ω.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021158796.0U CN213091771U (en) | 2020-06-19 | 2020-06-19 | Direct current fills electric pile detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021158796.0U CN213091771U (en) | 2020-06-19 | 2020-06-19 | Direct current fills electric pile detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023103910A1 (en) * | 2021-12-10 | 2023-06-15 | 深圳市道通合创数字能源有限公司 | Fault simulation apparatus and system, and alternating-current charging pile |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023103910A1 (en) * | 2021-12-10 | 2023-06-15 | 深圳市道通合创数字能源有限公司 | Fault simulation apparatus and system, and alternating-current charging pile |
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