CN216350977U - Detection system of hand-held type alternating current charging rifle - Google Patents
Detection system of hand-held type alternating current charging rifle Download PDFInfo
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- CN216350977U CN216350977U CN202122321141.1U CN202122321141U CN216350977U CN 216350977 U CN216350977 U CN 216350977U CN 202122321141 U CN202122321141 U CN 202122321141U CN 216350977 U CN216350977 U CN 216350977U
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Abstract
The utility model provides a detection system of a handheld alternating current charging gun, which relates to the technical field of charging guns and comprises the following components: the input end of the charging gun module is connected with an alternating current power supply module, and the output end of the charging gun module is connected with a load module; the power supply control module is respectively connected with the alternating current power supply module and the charging gun module; the detection module is respectively connected with the charging gun module and the load module; the cooling module is connected with the load module; the charging gun module is detected through the detection module, and the charging gun module is detected to be in a charging state or a charging completion state or a fault state. The system has the advantages that the system can detect the performance of the charging gun before the charging gun is assembled, effectively detect whether the charging gun has a fault problem, and improve safety and efficiency.
Description
Technical Field
The utility model relates to the field of charging guns, in particular to a detection system of a handheld alternating current charging gun.
Background
The handheld alternating current charging gun is a charging device matched with an electric automobile, and under the trend of rapid development of the electric automobile at present, the requirement of the handheld alternating current charging gun is increased, so that the performance detection of the charging gun is also changed to be very important.
Present enterprise is when producing hand-held type alternating current charging rifle, generally only a few of them functions of simple detection charging rifle, and charging rifle detection equipment on the market also only goes on after having installed power plug, vehicle socket, cable subassembly and shell to the charging rifle, from this, can't judge before the corresponding supporting device of installation whether its function is normal, and need dismantle again when taking place the problem and inspect, waste time and energy.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a detection system of a handheld alternating current charging gun, which comprises:
the charging gun module is characterized in that the input end of the charging gun module is connected with an alternating current power supply module, and the output end of the charging gun module is connected with a load module;
the power supply control module is respectively connected with the alternating current power supply module and the charging gun module;
the detection module is respectively connected with the charging gun module and the load module;
the cooling module is connected with the load module;
the charging gun module is detected through the detection module, and the charging gun module is detected to be in a to-be-charged state or a charging completion state or a fault state.
Preferably, the charging gun module comprises a display unit, and the display unit displays corresponding colors when the charging gun module is in the to-be-charged state, the charging state and the charging completion state.
Preferably, the detection module includes an electric leakage sensing unit, and the electric leakage sensing unit determines that the charging gun module is in the fault state when detecting an electric leakage current of the charging gun module.
Preferably, the detection module further comprises a photosensitive detection unit, and the photosensitive detection unit detects the color displayed by the display unit to obtain that the charging gun module is in the to-be-charged state or the charging completion state.
Preferably, the power supply control module includes:
one end of the first switch is connected with the charging gun module, and the other end of the first switch is connected with the external module;
one end of the second switch is connected with the charging gun module, and the other end of the second switch is connected with a first resistor;
one end of the third switch is connected with the charging gun module, and the other end of the third switch is connected with a second resistor;
one end of the fourth switch is connected with the charging gun module, and the other end of the fourth switch is grounded;
one end of the fifth switch is connected with the charging gun module, and the other end of the fifth switch is connected with a third resistor;
one end of the sixth switch is connected with the charging gun module, and the other end of the sixth switch is connected with a fourth resistor;
one end of the seventh switch is connected with the charging gun module, and the other end of the seventh switch is connected with the load module;
one end of the eighth switch is connected with the charging gun module, and the other end of the eighth switch is connected with the alternating current power supply module;
and one end of the ninth switch is connected with the charging gun module, and the other end of the ninth switch is connected with the alternating current power supply module.
Preferably, the charging gun module is connected to the first switch, the second switch, the third switch and the fourth switch through a signal line.
Preferably, the charging gun module is connected to the live wire and the fifth switch of the load module through an output zero line.
Preferably, the charging gun module is connected to the sixth switch and the seventh switch through an output live wire.
Preferably, the charging gun module is connected to the eighth switch through an input neutral line, and is connected to the neutral line of the ac power supply module through the eighth switch.
Preferably, the charging gun module is connected to the ninth switch through an input live wire, and is connected to the live wire of the ac power supply module through the ninth switch.
The technical scheme has the following advantages or beneficial effects: this system can detect the performance of rifle that charges before the rifle that charges assembles, detects whether the rifle that charges has the trouble problem, improves security and efficiency.
Drawings
FIG. 1 is a schematic diagram of the system in accordance with the preferred embodiment of the present invention;
FIG. 2 is a schematic circuit diagram of the system according to the preferred embodiment of the present invention.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments. The present invention is not limited to the embodiment, and other embodiments may be included in the scope of the present invention as long as the gist of the present invention is satisfied.
In accordance with the above-mentioned problems of the prior art, there is provided a detection system for a hand-held ac charging gun, as shown in fig. 1-2, comprising:
the charging gun module 1 is characterized in that the input end of the charging gun module 1 is connected with an alternating current power supply module 2, and the output end of the charging gun module 1 is connected with a load module 3;
the power supply control module 4 is respectively connected with the alternating current power supply module 2 and the charging gun module 1;
the detection module 5 is respectively connected with the charging gun module 1 and the load module 3;
a cooling module 6 connected with the load module 3;
the charging gun module 1 is detected through the detection module 5, and the charging gun module 1 is detected to be in a charging state or a charging completion state or a fault state.
Specifically, in the present embodiment, the power supply (i.e., the ac power supply module 2) of the charging gun module 1 has the frequency of 50HZ ± 0.5HZ, the input voltage of 220V ± 5%, the output voltage of 220V ± 5%, and the rated output current of 8A.
Specifically, in the present embodiment, the load module 3 is composed of an aluminum case power resistor of 300 ohm with 1000 watt power and an aluminum case power resistor of 18 ohm with 2000 watt power.
Preferably, in an actual work flow, the output voltage and the input voltage of the ac power supply module 2 fluctuate slightly, so that the upper limit of the numerical condition of the input voltage and the output voltage is set to a value of 220V + 5%, and the lower limit of the numerical condition is set to a value of 220V-5%, and the rated output current of the ac power supply module 2 is 8A, but the actual output current of the ac power supply module 2 changes correspondingly with the change of the output voltage, so that the upper limit of the numerical condition of the actual output current frequency is set to 50HZ +0.5HZ, and the lower limit of the numerical condition is set to 50HZ-0.5 HZ.
Preferably, this detecting system can be before hand-held type alternating current charging rifle does not install power supply plug, vehicle plug, cable subassembly and shell and detect alone its rifle module 1 that charges, avoids going wrong when accomplishing fault testing again after the assembly, then need dismantle power supply plug, vehicle plug, cable subassembly and shell again and detect inside rifle module 1 that charges if the trouble problem appears this moment, and the process is numerous and diverse and waste time and energy.
Preferably, the detection system can detect multiple functions of the charging gun module 1, and construct different charging environments to test the charging gun module 1, for example, when the charging gun module 1 is in a charging state, the power supply control module 4 constructs an environment with earth leakage, the charging gun module 1 is subjected to leakage detection in the environment, whether the charging gun module is in a leakage fault is judged, for example, in a charging process of the charging gun module 1, the impedance of the load module 3 is adjusted, so that the current flowing through the charging gun module 1 is continuously increased, and whether the charging gun module 1 is in an overcurrent fault at the moment is detected.
Preferably, the load module 3 adopts the aluminum hull power resistance, and the shell adopts aluminum alloy (gold aluminum hull) to make, and the surface has the heat dissipation slot, and small power is big and high temperature resistant, and overload capacity is strong and have weatherability, can be applied to under the high requirement adverse circumstances, also can adjust the resistance of aluminum hull power resistance according to actual requirement.
In a preferred embodiment of the present invention, the charging gun module 1 includes a display unit 11, and the display unit 11 displays corresponding colors when the charging gun module 1 is in the to-be-charged state, the charging state and the charging completion state.
In the preferred embodiment of the present invention, the detecting module 5 includes a leakage sensing unit 51, and when the leakage sensing unit 51 detects a leakage current of the charging gun module 1, it determines that the charging gun module 1 is in a fault state.
Specifically, in the present embodiment, the leakage sensing unit 51 is a leakage sensor, the leakage sensor is placed at a fixed position between the charging gun module 1 and the load module 3, and the output power line of the charging gun module 1 is connected to the load module 3 after passing through the leakage sensor through the mutual insertion of the two PINs.
In the preferred embodiment of the present invention, the detecting module 5 further includes a photosensitive detecting unit 52, and the photosensitive detecting unit 52 detects the color displayed by the display unit 11 to obtain the charging gun module 1 in the to-be-charged state or the charging completion state.
Specifically, in this embodiment, the display unit 11 is an LED lamp, the photosensitive detection unit 52 is a photosensitive sensor, and the photosensitive sensor adopts a color temperature sensor for detecting color changes of the LED lamp of the charging gun module 1 in different states.
In a preferred embodiment of the present invention, the power supply control module 4 includes:
a first switch K1, one end of the first switch K1 is connected with the charging gun module 1, and the other end of the first switch K1 is connected with the external module;
one end of a second switch K2, one end of a second switch K2 are connected with the charging gun module 1, and the other end of the second switch K2 is connected with a first resistor R1;
one end of a third switch K3, one end of the third switch K3 is connected with the charging gun module 1, and the other end of the third switch K3 is connected with a second resistor R2;
one end of a fourth switch K4, one end of a fourth switch K4 is connected with the charging gun module 1, and the other end of the fourth switch K4 is grounded;
one end of a fifth switch K5, one end of the fifth switch K5 is connected with the charging gun module 1, and the other end of the fifth switch K5 is connected with a third resistor R3;
a sixth switch K6, one end of the sixth switch K6 is connected with the charging gun module 1, and the other end of the sixth switch K6 is connected with a fourth resistor R4;
a seventh switch K7, one end of the seventh switch K7 is connected with the charging gun module 1, and the other end of the seventh switch K7 is connected with the load module 3;
an eighth switch K8, wherein one end of the eighth switch K8 is connected with the charging gun module 1, and the other end of the eighth switch K8 is connected with the AC power supply module 2;
one end of a ninth switch K9, the ninth switch K9 is connected with the charging gun module 1, and the other end of the ninth switch K9 is connected with the AC power supply module 2.
Specifically, in the embodiment, the second switch K2 is connected with a resistor R1 in 882 ohm 1206 package, the third switch K3 is connected with a resistor R2 in 2740 ohm 1206 package, and the fifth switch K5 and the sixth switch K6 are connected with a resistor R3 and a resistor R4 in 10 kiloohm 1206 package.
In the preferred embodiment of the present invention, the charging gun module 1 is connected to the first switch K1, the second switch K2, the third switch K3 and the fourth switch K4 through a signal line P1.
Specifically, in the present embodiment, the signal new P1 employs a CP signal line, i.e., a charging control signal line, for indicating to the vehicle that the maximum power of the power supply apparatus is simultaneously a signal line for controlling the start and stop of charging.
In the preferred embodiment of the present invention, the charging gun module 1 is connected to the live wire and the fifth switch K5 of the load module 3 through an output neutral wire P3.
In the preferred embodiment of the present invention, the charging gun module 1 is connected to the sixth switch K6 and the seventh switch K7 through an output live line P4.
In the preferred embodiment of the present invention, the charging gun module 1 is connected to the eighth switch K8 through an input neutral wire P5, and is connected to the neutral wire of the ac power module 2 through an eighth switch K8.
In the preferred embodiment of the present invention, the charging gun module 1 is connected to the ninth switch K9 through an input live line P6, and is connected to the live line of the ac power module 2 through a ninth switch K9.
Specifically, in this embodiment, the detection process of the to-be-charged state of the charging gun module 1 is as follows: put into detecting system with rifle module 1 that charges, closed eighth switch K8, ninth switch K9, alternating current power supply module 2 is through inputing zero line P5 and inputing live wire P6 for rifle module 1 power supply that charges, the inside MCU of rifle module 1 that charges judges to get into after the power supply is normal and treats the charged state, behind operation 1S, detecting module 5 detects the pilot lamp that waits to charge on the rifle module 1 through photosensitive sensor and lights and measure the voltage value of signal line P1 and load module 3, with judge whether rifle module 1 that charges gets into and treats the charged state.
Specifically, in this embodiment, the detection process of the charging state of the charging gun module 1 is as follows: the detection module 5 judges that the charging gun module 1 is in a state to be charged, after the operation for 1S, the second switch K2 and the seventh switch K7 are closed, the charging gun module 1 enters the charging state, and after the operation for 1S, the detection module 5 detects the charging indicator lamp on the charging gun module 1 again and measures the voltage values of the signal line P1 and the load module 3 to judge whether the charging gun module 1 is in the charging state.
Specifically, in this embodiment, the detection process of the charging completion status of the charging gun module 1 is as follows: the detection module 5 judges that the charging gun module 1 is in a charging state, after the charging gun module 1 is operated for 1S, the third switch K3 is closed, the charging gun module 1 enters a charging completion state, and after the charging gun module is operated for 1S, the detection module 5 detects the charging completion indicator light on the charging gun module 1 again and measures the voltage values of the signal line P1 and the load module 3 so as to judge whether the charging gun module 1 is in the charging completion state.
Specifically, in this embodiment, the detection process of the fault state of the charging gun module 1 is as follows: when the charging gun module 1 is in a charging state (the second switch K2 is closed), the fifth switch K5 and the sixth switch K6 are closed, the ground leakage current is output in a simulation mode, at the moment, the charging gun module 1 should be changed from the charging state to a fault state immediately, after 1S, the photosensitive sensor is used for detecting a fault indicator lamp of the charging gun module 1, measuring a signal line P1 and the output voltage value, and judging whether the charging gun module 1 is in a leakage fault state or not.
Preferably, when the charging gun module 1 is in a charging state (the second switch K2 is closed), the impedance of the load module 3 is adjusted to increase the output current to 11.5A, at this time, the charging module senses that the leakage current exceeds the limit through the leakage sensor and should immediately change from the charging state to a fault state, and after the detection system delays for 1S, the detection system detects the fault indicator lamp of the charging gun module 1 and measures the voltage value of the signal line P1 and the output through the photosensitive sensor, and judges whether the charging gun module 1 is in an overcurrent fault state.
Preferably, when the charging gun module 1 is in the charging state (the second switch K2 is closed), the analog signal line P1 is short-circuited to ground by closing the fourth switch K4, and the detection system can determine whether the charging gun module 1 is in the short-circuit fault state of the signal line P1 to ground by measuring the voltage of the signal line P1 and the output voltage after a delay of 1S.
Preferably, when the charging gun module 1 is in the charging state (the second switch K2 is closed), the load module 3 is disconnected, and the detection system determines whether the charging gun module 1 is in the output open-circuit fault state by measuring the output voltage after a delay of 1S.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.
Claims (10)
1. A detection system of a handheld alternating current charging gun, comprising:
the charging gun module is characterized in that the input end of the charging gun module is connected with an alternating current power supply module, and the output end of the charging gun module is connected with a load module;
the power supply control module is respectively connected with the alternating current power supply module and the charging gun module;
the detection module is respectively connected with the charging gun module and the load module;
the cooling module is connected with the load module;
the charging gun module is detected through the detection module, and the charging gun module is detected to be in a to-be-charged state or a charging completion state or a fault state.
2. The system for detecting a handheld alternating current charging gun according to claim 1, wherein the charging gun module comprises a display unit, and the display unit displays corresponding colors when the charging gun module is in the to-be-charged state, the charged state and the charging completion state.
3. The system of claim 1, wherein the detection module comprises a leakage sensing unit, and the leakage sensing unit determines that the charging gun module is in the fault state when detecting a leakage current of the charging gun module.
4. The system as claimed in claim 2, wherein the detection module further comprises a photosensitive detection unit, and the photosensitive detection unit detects the color displayed by the display unit to obtain the charging state of the charging gun module.
5. The system for detecting a hand-held ac charging gun of claim 1, wherein the power control module comprises:
one end of the first switch is connected with the charging gun module, and the other end of the first switch is connected with the external module;
one end of the second switch is connected with the charging gun module, and the other end of the second switch is connected with a first resistor;
one end of the third switch is connected with the charging gun module, and the other end of the third switch is connected with a second resistor;
one end of the fourth switch is connected with the charging gun module, and the other end of the fourth switch is grounded;
one end of the fifth switch is connected with the charging gun module, and the other end of the fifth switch is connected with a third resistor;
one end of the sixth switch is connected with the charging gun module, and the other end of the sixth switch is connected with a fourth resistor;
one end of the seventh switch is connected with the charging gun module, and the other end of the seventh switch is connected with the load module;
one end of the eighth switch is connected with the charging gun module, and the other end of the eighth switch is connected with the alternating current power supply module;
and one end of the ninth switch is connected with the charging gun module, and the other end of the ninth switch is connected with the alternating current power supply module.
6. The system for detecting a hand-held ac charging gun according to claim 5, wherein the charging gun module is connected to the first switch, the second switch, the third switch and the fourth switch via a signal line.
7. The system for detecting a hand-held ac charging gun according to claim 5, wherein the charging gun module is connected to the live wire and the fifth switch of the load module through an output neutral wire.
8. The system for detecting a hand-held ac charging gun according to claim 5, wherein the charging gun module is connected to the sixth switch and the seventh switch through an output live wire.
9. The system for detecting a hand-held ac charging gun according to claim 5, wherein said charging gun module is connected to said eighth switch by an input neutral line and to the neutral line of said ac power supply module by said eighth switch.
10. The system for detecting a hand-held ac charging gun according to claim 5, wherein the charging gun module is connected to the ninth switch via an input live wire, and is connected to the live wire of the ac power supply module via the ninth switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122321141.1U CN216350977U (en) | 2021-09-24 | 2021-09-24 | Detection system of hand-held type alternating current charging rifle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122321141.1U CN216350977U (en) | 2021-09-24 | 2021-09-24 | Detection system of hand-held type alternating current charging rifle |
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| Publication Number | Publication Date |
|---|---|
| CN216350977U true CN216350977U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122321141.1U Active CN216350977U (en) | 2021-09-24 | 2021-09-24 | Detection system of hand-held type alternating current charging rifle |
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| CN (1) | CN216350977U (en) |
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- 2021-09-24 CN CN202122321141.1U patent/CN216350977U/en active Active
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