CN213633636U - AC/DC charger consistency detection device - Google Patents
AC/DC charger consistency detection device Download PDFInfo
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- CN213633636U CN213633636U CN202022160171.4U CN202022160171U CN213633636U CN 213633636 U CN213633636 U CN 213633636U CN 202022160171 U CN202022160171 U CN 202022160171U CN 213633636 U CN213633636 U CN 213633636U
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Abstract
The utility model relates to an alternating current-direct current charger uniformity detection device, system are including the interface that charges, analog control case, collection module, oscilloscope, treater, simulation battery, controllable load, analog control case check-up module, DC power supply, charge machine plug check-up mechanism and display. The utility model has the advantages that: the simulation control box checking module is arranged and can check the simulation control box and confirm the reliability of the consistency detection result; the message is stored in the analog control box check module in a read-only mode, so that the correctness of the message sent by the analog control box check module is ensured, and the reliability of the check result of the analog control box is ensured; the charger plug checking mechanism is arranged and can check the charger plug.
Description
Technical Field
The utility model relates to a machine detection area charges especially relates to an alternating current-direct current machine uniformity detection device that charges.
Background
In order to further promote the development of electric automobile standardization in China, relevant standard specifications are issued by the nation in 2015 and 2017 respectively, and the relevant standard specifications are used for making corresponding regulations on a power supply equipment part, a vehicle part and a communication test part in the test of the interoperation of electric automobiles. The emergence of the relevant standards has a certain promotion effect on the development of charging facilities of electric automobiles and the popularization of the electric automobiles, but the research of key technology for consistency detection is lacked in the aspects of interchangeability and universality of charging interfaces of the electric automobiles.
At present, the compatibility and the interoperability of a charging infrastructure and a charging interface of an electric vehicle are poor, and a large number of problems of unmatched charging exist between electric vehicles of different brand types and charging facilities manufactured by different manufacturers, so that the resource waste of the charging facilities and the reduction of the charging service level are caused. Therefore, the consistency detection of the charger is very important, the consistency detection is usually realized by simulating the automobile charging device, but no corresponding equipment is used for verifying the equipment for simulating the automobile charging device, and if the equipment is abnormal, the consistency detection result of the charger is abnormal.
In addition, whether the charger plug is normal or not has a great influence on the result of the consistency detection.
Disclosure of Invention
The utility model discloses it does not possess the function that carries out the check-up to analog control box and charging pile plug mainly to have solved traditional machine uniformity detecting system that charges, has because of analog control box is unusual or charging battery plug leads to the wrong problem of uniformity testing result unusually, provides an alternating current-direct current machine uniformity detection device that is equipped with analog control box check-up module and fills electric pile plug check-up mechanism that charges.
The utility model provides a technical scheme that its technical problem adopted is, an alternating current direct current charger uniformity detecting system, including interface, analog control case, collection module, oscilloscope, treater, simulation battery, controllable load, analog control case check module, DC power supply, the charger plug check mechanism and the display that charges, analog control case links to each other with DC power supply, the interface that charges, collection module, oscilloscope, controllable load and analog control case check module respectively, oscilloscope, collection module, controllable load and analog control case check module still link to each other with the treater, the treater links to each other with display, simulation battery and charging pile plug check mechanism.
The direct current power supply provides a working power supply for the analog control box and is used as a starting voltage of the direct current charger, the acquisition module is used for measuring a current value and a voltage value in a detection point and a charging loop, the oscilloscope is used for detecting the waveform change condition of the detection point of the alternating current charging pile and the direct current charging pile, the PWM parameter of the alternating current charger, the charging time sequence record of the direct current charger and the state of a contactor of a main loop of the direct current charger, the processor is used for controlling the oscilloscope, the acquisition module, the controllable load and the analog control box, executing detection items, recording and analyzing detection results and realizing man-machine interaction, the controllable load is used for simulating the load of an electric vehicle battery, the auxiliary analog control box is used for completing the consistency detection of the charger, the analog control box is used for receiving a control command of the industrial personal computer and assisting the completion of the mutual operation tests of the alternating current charger, fill electric pile plug verification mechanism and be used for carrying out the check-up to filling the electric pile plug.
As a preferred scheme of the above scheme, the charger plug checking mechanism includes a substrate, and a plurality of probe clusters and an MCU that are disposed on the substrate, where the probe clusters are matched with interfaces on the charging pile plug. Each probe cluster corresponds to a charger plug interface.
As a preferred scheme of the above scheme, the probe cluster includes a power supply probe and a plurality of detection probes, the power supply probe includes a first spring, a first conducting rod and a first conducting strip, one end of the first spring is fixed on the substrate and connected to the dc power supply, the other end of the first spring is connected to one end of the first conducting rod, and the other end of the first conducting rod is connected to the first conducting strip. The power supply probes output voltage, and electric energy is transmitted to the detection probes through the conducting strips on the charger plug.
As a preferred scheme of the above scheme, the detection probes include a second spring, a second conducting rod, a second conducting strip, a resistance wire and a slip sheet, one end of the second spring is fixed on the substrate, the other end of the second spring is connected with two ends of the second conducting rod, the other end of the second conducting rod is connected with the second conducting strip, the resistance wire is arranged in parallel with the second conducting rod, the slip sheet is arranged on the rod body of the second conducting rod and is in contact with the resistance wire, and the resistance wire of each detection probe is connected with the MCU. When the probe cluster is contacted with the interface on the charger plug, the extension or contraction degree of each detection probe is the same, namely the access length of the resistance wire on each detection probe in the same probe cluster is the same, the resistance is the same, the current is the same, and the MCU detects whether the current exists or not and the current value to detect whether the charger is inserted into each interface abnormally or not.
In a preferred embodiment of the above-mentioned method, the probes in the probe cluster do not contact each other. The mutual influence between the detection probes is avoided, the detection probes are prevented from directly getting electricity from the power supply probes, and the check result is prevented from being influenced.
As a preferred scheme of the above scheme, the analog control box calibration module includes a memory, a communication interface, a voltage conversion circuit and a controller, the controller is respectively connected to the memory, the communication interface and the control end of the voltage conversion circuit, the input end of the voltage conversion circuit is connected to the dc power supply, the output end of the voltage conversion circuit is connected to the charger connection confirmation interface of the analog control box, and the communication interface is further connected to the charger connection confirmation interface and the charging communication interface of the analog control box. Outputting proper voltage to a charger connection confirmation interface of the analog control box through a voltage conversion circuit to enable the analog control box to think that the connection with the charger is finished, acquiring a message sent by the analog control box through a charging communication interface, replying the message, and finally judging whether the analog control box is abnormal or not according to a message interaction flow.
As a preferable scheme of the foregoing scheme, the memory stores a read-only ac/dc charger message. The message is stored by the read-only attribute, and the correctness of the message output by the verification module of the analog control box is ensured.
The utility model has the advantages that: the simulation control box checking module is arranged and can check the simulation control box and confirm the reliability of the consistency detection result; the message is stored in the analog control box check module in a read-only mode, so that the correctness of the message sent by the analog control box check module is ensured, and the reliability of the check result of the analog control box is ensured; the charger plug checking mechanism is arranged and can check the charger plug.
Drawings
Fig. 1 is a block diagram of a system for detecting consistency of an ac/dc charger in an embodiment.
FIG. 2 is a block diagram of an exemplary verification module of an analog control box.
Fig. 3 is a schematic structural diagram of a charger plug checking mechanism in the embodiment.
FIG. 4 is a schematic diagram of a structure of a detection probe in the embodiment
The device comprises a charging interface 1, a charging interface 2, an analog control box 3, an acquisition module 4, an oscilloscope 5, a processor 6, an analog battery 7, a controllable load 8, an analog control box verification module 9, a direct-current power supply 10, a display 11, a storage 12, a communication interface 13, a voltage conversion circuit 14, a controller 15, a charger plug verification mechanism 16, a substrate 17, a probe cluster 18, a second spring 19, a second conductive rod 20, a second conductive sheet 21, a sliding sheet 22 and a resistance wire.
Detailed Description
The technical solution of the present invention is further described below by way of examples and with reference to the accompanying drawings.
Example (b):
the system for detecting the consistency of the alternating current-direct current charger in the embodiment comprises a charging interface 1, an analog control box 2, an acquisition module 3, an oscilloscope 4, a processor 5, an analog battery 6, a controllable load 7, an analog control box verification module 8, a direct current power supply 9, a charger plug verification mechanism 15 and a display 10, wherein the analog control box is respectively connected with the direct current power supply, the charging interface, the acquisition module, the oscilloscope, the controllable load and the analog control box verification module, the oscilloscope, the acquisition module, the controllable load and the analog control box verification module are further connected with the processor, and the processor is connected with the display, the analog battery and the charger plug verification mechanism 15. The controllable load comprises a controllable direct current load and a controllable alternating current load, and a control end of the controllable direct current load and a control end of the controllable alternating current load are both connected with the processor. The acquisition module comprises a current meter and a voltage meter, and the output ends of the current meter and the voltage meter are connected with the processor. The charging interface comprises a direct current charger interface and an alternating current charger interface.
The direct current power supply provides working power supply for the analog control box and is used as starting voltage of the direct current charger, the acquisition module is used for measuring current value and voltage value in a detection point and a charging loop, the oscilloscope is used for detecting waveform change condition of the detection point of the alternating current charging pile and the direct current charging pile, PWM (pulse width modulation) parameters of the alternating current charger, charging time sequence record of the direct current charger and the state of a contactor of a main loop of the direct current charger, the processor is used for controlling the oscilloscope, the acquisition module, the controllable load and the analog control box, executing detection items, recording and analyzing detection results and realizing man-machine interaction, the controllable load is used for simulating the load of the battery of the electric automobile, the auxiliary simulation control box is used for completing consistency detection of the charger, the simulation control box is used for receiving a control command of the industrial personal computer and assisting in completing interoperation tests of the alternating-current charger and the direct-current charger, and the simulation control box checking module is used for checking the simulation control box before consistency detection.
As shown in fig. 2, the analog control box calibration module includes a memory 11, a communication interface 12, a voltage conversion circuit 13 and a controller 14, the controller is connected to the memory, the communication interface and the control end of the voltage conversion circuit, the input end of the voltage conversion circuit is connected to the dc power supply, the output end of the voltage conversion circuit is connected to the charger connection confirmation interface of the analog control box, the communication interface is further connected to the charger connection confirmation interface and the charging communication interface of the analog control box, and the controller is further connected to the processor. The controller controls the voltage conversion ratio of the voltage conversion circuit and whether the voltage conversion circuit is conducted or not, the storage stores read-only AC/DC charger messages, the controller calls the AC/DC charger messages to perform message interaction with the analog control box through the communication interface for simulating charging electricity, and whether the analog control box is abnormal or not is judged through the message interaction with the analog control box, so that the aim of checking the analog control box is fulfilled.
As shown in fig. 3, the charger plug calibration mechanism includes a substrate 16, a plurality of probe clusters 17 and an MCU are arranged on the substrate, the number of the probe clusters is the same as the number of the interfaces on the charger plug, the probe clusters are matched with the interfaces on the charging pile plug, each probe cluster includes a power supply probe and a plurality of detection probes, the power supply probe includes a first spring, a first conductive rod and a first conductive plate, one end of the first spring is fixed on the substrate and connected with a dc power supply, the other end of the first spring is connected with one end of the first conductive rod, and the other end of the first conductive rod is connected with the first conductive plate. As shown in fig. 4, the detection probes include a second spring 18, a second conductive rod 19, a second conductive plate 20, a resistance wire 22 and a sliding sheet 21, one end of the second spring is fixed on the substrate, the other end of the second spring is connected with two ends of the second conductive rod, the other end of the second conductive rod is connected with the second conductive plate, the resistance wire is arranged in parallel with the second conductive rod, the sliding sheet is arranged on the rod body of the second conductive rod and is in contact with the resistance wire, and the resistance wire of each detection probe is connected with the MCU. The probes in the probe cluster do not contact each other.
When the charger plug checking mechanism is connected with a charger plug, probes in the probe cluster can be compressed, meanwhile, a first conducting strip and a second conducting strip on the power supply probe and a detection probe can be in contact with conducting strips on a charger plug interface, when the power supply probe outputs current, the current can flow into the detection probe through the conducting strips on the charger plug interface, when the detection probe is compressed, the position of a sliding piece is changed accordingly, the length of a resistance wire connected into a loop is changed, the current received by an MCU can be changed, whether foreign matters exist in the interface of the charger plug corresponding to the probe cluster can be judged by comparing the current value of each detection probe in the same probe cluster, and whether the interface is in poor contact can be judged by detecting whether the detection probe does not exist current. When foreign matters exist on the interface of the charger plug or the contact is poor, the foreign matters or the contact is treated, and consistency detection failure caused by hardware problems is avoided.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (7)
1. The utility model provides an alternating current-direct current charger uniformity detection device which characterized by: the charging device comprises a charging interface, an analog control box, an acquisition module, an oscilloscope, a processor, an analog battery, a controllable load, an analog control box calibration module, a direct-current power supply, a charger plug calibration mechanism and a display, wherein the analog control box is respectively connected with the direct-current power supply, the charging interface, the acquisition module, the oscilloscope, the controllable load and the analog control box calibration module, the oscilloscope, the acquisition module, the controllable load and the analog control box calibration module are also connected with the processor, and the processor is connected with the display, the analog battery and the charging pile plug calibration mechanism.
2. The device for detecting the consistency of the alternating current and direct current charger according to claim 1, is characterized in that: the charger plug checking mechanism comprises a substrate, a plurality of probe clusters and an MCU, wherein the probe clusters and the MCU are arranged on the substrate, and the probe clusters are matched with interfaces on the charging pile plug.
3. The device for detecting the consistency of the alternating current and direct current charger according to claim 2 is characterized in that: the probe cluster comprises a power supply probe and a plurality of detection probes, wherein the power supply probe comprises a first spring, a first conducting rod and a first conducting strip, one end of the first spring is fixed on the substrate and connected with a direct-current power supply, the other end of the first spring is connected with one end of the first conducting rod, and the other end of the first conducting rod is connected with the first conducting strip.
4. The device for detecting the consistency of the alternating current and direct current charger according to claim 3 is characterized in that: the detection probes comprise second springs, second conducting rods, second conducting strips, resistance wires and sliding pieces, one ends of the second springs are fixed on the base plate, the other ends of the second springs are connected with the two ends of the second conducting rods, the other ends of the second conducting rods are connected with the second conducting strips, the resistance wires are arranged in parallel with the second conducting rods, the sliding pieces are arranged on the rod bodies of the second conducting rods and are in contact with the resistance wires, and the resistance wires of the detection probes are all connected with the MCU.
5. The device for detecting the consistency of the alternating current and direct current charger according to claim 3 or 4, which is characterized in that: the probes in the probe cluster are not in contact with each other.
6. The device for detecting the consistency of the alternating current and direct current charger according to claim 1, is characterized in that: the calibration module of the analog control box comprises a storage, a communication interface, a voltage conversion circuit and a controller, wherein the controller is respectively connected with the storage, the communication interface and the control end of the voltage conversion circuit, the input end of the voltage conversion circuit is connected with a direct-current power supply, the output end of the voltage conversion circuit is connected with a charger connection confirmation interface of the analog control box, and the communication interface is also connected with the charger connection confirmation interface and a charging communication interface of the analog control box.
7. The device for detecting the consistency of the alternating current and direct current charger according to claim 6 is characterized in that: the memory stores a read-only AC/DC charger message.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022160171.4U CN213633636U (en) | 2020-09-27 | 2020-09-27 | AC/DC charger consistency detection device |
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| CN202022160171.4U CN213633636U (en) | 2020-09-27 | 2020-09-27 | AC/DC charger consistency detection device |
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| CN213633636U true CN213633636U (en) | 2021-07-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112379190A (en) * | 2020-09-27 | 2021-02-19 | 国网浙江省电力有限公司衢州供电公司 | AC/DC charger consistency detection device and detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112379190A (en) * | 2020-09-27 | 2021-02-19 | 国网浙江省电力有限公司衢州供电公司 | AC/DC charger consistency detection device and detection method |
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