CN211375394U - Be used for alternating-current charging stake to patrol and examine with portable detector major control system - Google Patents
Be used for alternating-current charging stake to patrol and examine with portable detector major control system Download PDFInfo
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- CN211375394U CN211375394U CN202020474655.3U CN202020474655U CN211375394U CN 211375394 U CN211375394 U CN 211375394U CN 202020474655 U CN202020474655 U CN 202020474655U CN 211375394 U CN211375394 U CN 211375394U
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Abstract
The utility model discloses a be used for alternating-current charging stake to patrol and examine and use portable detector major control system, including the equipment principal, be equipped with main control unit in the equipment principal, main control unit is last to integrate load control switching circuit, three-phase voltage electric current sampling modulate circuit, fan control and protection circuit, charging vehicle fault analog circuit, CC CP control circuit, switching value input detection circuit, power unit and gun platform temperature detection circuit, USB data interaction circuit, fire zero line judgement circuit, RS485 communication circuit, 4G communication circuit, direct current step-down modulate circuit and main control MCU circuit, it possesses load control switching function, three-phase voltage electric current sampling modulate function, fan control and protection function, charging vehicle fault analog function, CC/CP control function, switching value input detection function, power unit and gun platform temperature detection function to make the detector, The intelligent control system comprises a USB data interaction function, a fire and zero line judging function, an RS485 communication function, a 4G communication function and a direct current voltage reduction conditioning function.
Description
Technical Field
The utility model relates to a be used for alternating-current charging stake to patrol and examine and use portable detector master control system.
Background
The portable alternating-current charging pile detector is mainly used for daily operation and maintenance detection of the alternating-current charging piles meeting the national standard GB/T18487.1-2015; existing devices typically take a discrete form including interface simulation means, load means, display or human-computer interaction means, etc. The existing equipment is relatively complex in the field inspection test process, a plurality of components need to be moved and combined on the field, and a professional engineer needs to set test parameters or conditions on the field, so that the equipment is relatively complex to use, is used for field operation and maintenance detection, and is low in inspection working efficiency and high in use cost. Therefore, a company develops a novel detector, and a corresponding control system is required to match the novel detector in order to meet the detection requirement of the novel detector.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an it patrols and examines and uses portable detector major control system to enable detector possesses load control switching function, three-phase voltage current sampling recuperation function, fan control and protect function, charging vehicle fault simulation function, CC CP control function, switching value input detection function, power unit and stock temperature detection function, USB data interaction function, the function is judged to the fire zero line, RS485 communication function, 4G communication function, direct current step-down recuperation function's the electric pile that is used for interchange.
In order to solve the above problem, the utility model adopts the following technical scheme:
the utility model provides a be used for alternating-current charging stake to patrol and examine and use portable detector master control system, includes the equipment principal, is equipped with touch-sensitive screen, international alternating-current gun seat, data interface, detection interface, the interface that charges, main control unit, auxiliary power source, stand-by battery, resistance load subassembly and cooling fan in the equipment principal, the last load control switching circuit, three-phase voltage current sampling conditioning circuit, fan control and protection circuit, charging vehicle trouble analog circuit, CC CP control circuit, switching value input detection circuitry, power unit and gun seat temperature detection circuitry, USB data interaction circuit, fire zero line judgement circuit, RS485 communication circuit, 4G communication circuit, direct current step-down conditioning circuit and master control MCU circuit of integrating of main control unit, direct current step-down conditioning function circuit is used for providing stable direct current 3.3V voltage for main control unit, switching value input detection circuitry is used for realizing that external high voltage level to master control MCU circuit can gather 3.3V level And the charging vehicle fault simulation circuit is mainly used for realizing a fault simulation circuit when the detector realizes an abnormal charging test, and comprises CP disconnection fault simulation, CC disconnection fault simulation, grounding continuity disconnection simulation, CP grounding fault simulation, CC grounding fault simulation and leakage protection action fault simulation.
By adopting the above configuration, the utility model, make the detector possess load control switching function, three-phase voltage electric current sampling recuperation function, fan control and protect function, charging vehicle fault simulation function, CC CP control function, switching value input detects the function, power unit and stock temperature detect the function, USB data interaction function, the function is judged to the fire zero line, RS485 communication function, 4G communication function and direct current step-down recuperation function, have the practicality and the universality of use, portable simultaneously, can accurately accomplish alternating-current charging stake's detection.
Preferably, the processor and chip adopted by the master control MCU circuit are a 32-bit high-performance ARMCortex-M4 processor and an STM32F407 chip.
The device solves the problem of large system data information processing amount, and enables the main control system to support floating point operation and DSP instructions.
Preferably, the 4G communication circuit adopts an EC20 core 4G communication module, and is externally connected with a patch SIM card.
This setting has guaranteed the steady operation of module, provides independent 3.9V steady voltage source for 4G communication module.
Preferably, the direct current buck conditioning function circuit adopts a TPS54335 series synchronous buck converter chip.
This setting provides stable direct current 3.3V voltage for main control unit, makes circuit design more simple stable simultaneously.
Preferably, the USB data interaction function circuit is used for conducting data export and program upgrade of a main control MCU circuit, and a TPS2061 power management chip is used.
The arrangement simplifies the peripheral circuit and realizes the protection of the USB power supply.
Preferably, the CC/CP control function circuit is used for simulating the on and off of a vehicle switch, realizing the collection of the duty ratio of a CP signal, realizing the collection of the high level amplitude of a CP pulse signal and realizing the voltage collection of the CC signal.
This setting is convenient for judge and fills electric pile output current ability, judges whether to fill electric pile CP signal qualified, judges whether to charge the rifle and has connected.
Preferably, the RS485 communication function circuit is used for driving a touch screen, and an isolation type RS485 chip is adopted.
This setting is convenient for cooperate high withstand voltage isolating circuit, has realized the project function requirement, has increased stability.
Preferably, the load control switching circuit adopts five groups of relay control circuits and respectively corresponds to three groups of loads.
According to the arrangement, the input voltage information is collected, the input voltage is determined to be single-phase or three-phase, three groups of loads are controlled to be added to the L1 phase under the single-phase condition, and if the three groups of loads are added to the L1, the L2 and the L3 three-phase loads respectively under the three-phase input condition, so that the three groups of loads are efficiently utilized, the use efficiency of the loads is improved under the limited volume, and the power density of equipment is improved.
Preferably, the heat radiation fan adopts a 220VAC power supply fan, and the running current of the 220VAC power supply fan is conditioned and collected by adopting a current transformer and a peak detection circuit.
This setting is convenient for judge whether the fan overflows or stall, and then judges whether the fan normally works.
Preferably, the power unit and the gun seat temperature detection circuit adopt an NTC thermistor.
The temperature acquisition and over-temperature protection can be realized by conveniently matching the resistor voltage-dividing circuit
The utility model has the advantages that: the tester has the advantages that the tester has a load control switching function, a three-phase voltage and current sampling conditioning function, a fan control and protection function, a charging vehicle fault simulation function, a CC/CP control function, a switching value input detection function, a power unit and gun seat temperature detection function, a USB data interaction function, a fire and zero line judgment function, an RS485 communication function, a 4G communication function and a direct current voltage reduction conditioning function, and has practicability and wide application.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the scope of the present invention is not limited thereto.
FIG. 1 is a schematic diagram of the circuit of the present invention;
fig. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
fig. 4 is a schematic diagram of the test of the present invention;
fig. 5 is a schematic diagram of the fire and zero line judging circuit of the present invention;
fig. 6 is a schematic diagram of a three-phase voltage and current acquisition conditioning circuit of the present invention;
fig. 7 is a schematic diagram of a control and protection circuit of the cooling fan of the present invention;
FIG. 8 is a schematic diagram of a USB data interaction function circuit according to the present invention;
FIG. 9 is a schematic diagram of the CC/CP control function circuit of the present invention;
fig. 10 is a schematic diagram of the main control MCU circuit of the present invention;
fig. 11 is a schematic diagram of an RS485 communication function circuit of the present invention;
the device comprises an equipment main body 1, a touch screen 2, an international alternating current gun holder 3, a data interface 4, a detection interface 5, a charging interface 6, a main controller 7, an auxiliary power supply 8, a standby battery 9, a resistance load assembly 10 and a heat dissipation fan 11.
Detailed Description
Referring to fig. 1 to 11, a portable detector master control system for inspection of an ac charging pile includes an apparatus main body 1, the apparatus main body 1 is provided with a touch screen 2, an international ac gun holder 3, a data interface 4, a detection interface 5, a charging interface 6, a master controller 7, an auxiliary power supply 8, a backup battery 9, a resistive load assembly 10 and a heat dissipation fan 11, the touch screen 2, the international ac gun holder 3, the data interface 4, the detection interface 5, the charging interface 6, the auxiliary power supply 8, the backup battery 9, the resistive load assembly 10 and the heat dissipation fan 11 are all connected with the master controller 7, the master controller 7 is integrated with a load control switching circuit, a three-phase voltage and current sampling conditioning circuit, a fan control and protection circuit, a charging vehicle fault simulation circuit, a CC/CP control circuit, a switching value input detection circuit, a power unit and gun holder temperature detection circuit, The charging vehicle fault simulation circuit is mainly used for realizing a fault simulation circuit when an abnormal charging test is realized by a detector and comprises a CP disconnection fault simulation circuit, a CC disconnection fault simulation circuit, a grounding continuity disconnection simulation circuit, a CP grounding fault simulation circuit, a CC grounding fault simulation circuit and an earth leakage protection action fault simulation circuit.
Further, the processor and the chip adopted by the main control MCU circuit are a 32-bit high-performance ARMCortex-M4 processor and an STM32F407 chip.
Further, the 4G communication circuit adopts an EC20 core 4G communication module and is externally connected with a patch SIM card.
Further, the direct current buck conditioning function circuit adopts a TPS54335 series synchronous buck converter chip.
Further, the USB data interaction function circuit is used for conducting data export and program upgrading of the main control MCU circuit, and a TPS2061 power management chip is adopted.
Furthermore, the CC/CP control function circuit is used for simulating the on-off of a vehicle switch, realizing the collection of the duty ratio of a CP signal, realizing the collection of the high level amplitude of a CP pulse signal and realizing the voltage collection of the CC signal.
Further, the RS485 communication function circuit is used for driving the touch screen and adopts an isolation type RS485 chip.
Furthermore, the load control switching circuit adopts five groups of relay control circuits and respectively corresponds to three groups of loads.
Further, the heat dissipation fan adopts a 220VAC power supply fan, and the running current of the 220VAC power supply fan is conditioned and collected by adopting a current transformer and a peak detection circuit.
Furthermore, the power unit and the gun seat temperature detection circuit mainly adopt an NTC thermistor.
Furthermore, the fault simulation circuit of the charging vehicle is mainly used for realizing the fault simulation circuit when the detector realizes the abnormal charging test, and whether the charging pile is realized according to the national standard requirement is judged according to the output condition of the charging pile.
The utility model discloses during the use, it is connected with the alternating-current charging stake of waiting to detect through international alternating-current gun stock, detector procedure initialization carries out the self-checking, when equipment self-checking is normal, carry out the selection and the operation of test item through the touch-sensitive screen, the control fan is opened, judge at present not the looks voltage, judge current CP state, CC state etc. carry out the actuation load, carry out the demonstration of data through the touch-sensitive screen, control and protection circuit through the cooling fan on the controller, three-phase voltage/current acquisition conditioning circuit, load control switching circuit, the fire zero line judges functional circuit, power unit and alternating-current gun stock temperature detection circuit, direct current step-down conditioning functional circuit, switching value input detection circuitry, CC/CP control functional circuit, the detection of alternating-current charging stake can be accomplished through R485 communication functional circuit to the data information that obtains, And the 4G communication function circuit and the USB data interaction function circuit are used for data export.
When the device is used, the standby battery supplies power for the device initially, and in order to reduce the power consumption of the standby battery, the circuit is in a full power-off mode when the device is shut down. After the charging pile normally outputs, the alternating voltage output by the charging pile is converted into 12V electric energy through an auxiliary power supply inside the equipment, so that the equipment control system is powered and the standby battery is charged.
The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (10)
1. The utility model provides a be used for alternating-current charging stake to patrol and examine with portable detector master control system, includes the equipment principal, is equipped with touch-sensitive screen, international alternating-current gun seat, data interface, detection interface, the interface that charges, main control unit, auxiliary power supply, stand-by battery, resistance load subassembly and cooling fan in the equipment principal, its characterized in that: the main controller is integrated with a load control switching circuit, a three-phase voltage and current sampling conditioning circuit, a fan control and protection circuit, a charging vehicle fault simulation circuit, a CC/CP control circuit, a switching value input detection circuit, a power unit and gun seat temperature detection circuit, a USB data interaction circuit, a fire and zero line judgment circuit, an RS485 communication circuit, a 4G communication circuit, a direct current voltage reduction conditioning circuit and a main control MCU circuit, wherein the direct current voltage reduction conditioning function circuit is used for providing stable direct current 3.3V voltage for the main controller, the switching value input detection circuit is used for realizing conversion from an external high voltage level to a 3.3V level which can be collected by the main control MCU circuit, the charging vehicle fault simulation circuit is mainly used for realizing a fault simulation circuit when an abnormal charging test by a detector and comprises a CP disconnection fault simulation circuit, a CC disconnection fault simulation circuit, The method comprises the following steps of grounding continuity disconnection simulation, CP grounding fault simulation, CC grounding fault simulation and leakage protection action fault simulation.
2. The portable detector main control system for the inspection of the alternating-current charging pile according to claim 1, characterized in that: the main control MCU circuit adopts a processor and chips which are a 32-bit high-performance ARMCortex-M4 processor and an STM32F407 chip.
3. The portable detector main control system for the inspection of the alternating-current charging pile according to claim 1, characterized in that: the 4G communication circuit adopts an EC20 core 4G communication module and is externally connected with a patch SIM card.
4. The portable detector main control system for the inspection of the alternating-current charging pile according to claim 1, characterized in that: the direct current buck conditioning function circuit adopts TPS54335 series synchronous buck converter chips.
5. The portable detector main control system for the inspection of the alternating-current charging pile according to claim 1, characterized in that: the USB data interaction function circuit is used for leading out data of the main control MCU circuit and upgrading programs, and adopts a TPS2061 power supply management chip.
6. The portable detector main control system for the inspection of the alternating-current charging pile according to claim 1, characterized in that: the CC/CP control function circuit is used for simulating the on-off of a vehicle switch, realizing the collection of the duty ratio of a CP signal, realizing the collection of the high level amplitude of a CP pulse signal and realizing the voltage collection of the CC signal.
7. The portable detector main control system for the inspection of the alternating-current charging pile according to claim 1, characterized in that: the RS485 communication function circuit is used for driving the touch screen and adopts an isolation type RS485 chip.
8. The portable detector main control system for the inspection of the alternating-current charging pile according to claim 1, characterized in that: the load control switching circuit adopts five groups of relay control circuits and respectively corresponds to three groups of loads.
9. The portable detector main control system for the inspection of the alternating-current charging pile according to claim 1, characterized in that: the heat dissipation fan adopts a 220VAC power supply fan, and the running current of the 220VAC power supply fan is conditioned and collected by adopting a current transformer and a peak detection circuit.
10. The portable detector main control system for the inspection of the alternating-current charging pile according to claim 1, characterized in that: the power unit and the gun seat temperature detection circuit adopt NTC thermistors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020474655.3U CN211375394U (en) | 2020-04-03 | 2020-04-03 | Be used for alternating-current charging stake to patrol and examine with portable detector major control system |
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| CN202020474655.3U CN211375394U (en) | 2020-04-03 | 2020-04-03 | Be used for alternating-current charging stake to patrol and examine with portable detector major control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346015A (en) * | 2019-08-05 | 2019-10-18 | 杭州微联智控科技有限公司 | Electric pole type water logging detection circuit and water sensor |
| CN114236203A (en) * | 2021-11-29 | 2022-03-25 | 国网北京市电力公司 | Load control system, load control method, storage medium, and electronic device |
| CN114280397A (en) * | 2021-12-10 | 2022-04-05 | 深圳市道通合创新能源有限公司 | Fault simulation device, system and alternating-current charging pile |
-
2020
- 2020-04-03 CN CN202020474655.3U patent/CN211375394U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346015A (en) * | 2019-08-05 | 2019-10-18 | 杭州微联智控科技有限公司 | Electric pole type water logging detection circuit and water sensor |
| CN110346015B (en) * | 2019-08-05 | 2024-05-28 | 杭州微联智控科技有限公司 | Electrode type water immersion detection circuit and water immersion sensor |
| CN114236203A (en) * | 2021-11-29 | 2022-03-25 | 国网北京市电力公司 | Load control system, load control method, storage medium, and electronic device |
| CN114236203B (en) * | 2021-11-29 | 2023-10-24 | 国网北京市电力公司 | Load control system, method, storage medium and electronic device |
| CN114280397A (en) * | 2021-12-10 | 2022-04-05 | 深圳市道通合创新能源有限公司 | Fault simulation device, system and alternating-current charging pile |
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