CN214703888U - Electric automobile high voltage direct current fuse life-span automatic checkout device - Google Patents
Electric automobile high voltage direct current fuse life-span automatic checkout device Download PDFInfo
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- CN214703888U CN214703888U CN202120530301.0U CN202120530301U CN214703888U CN 214703888 U CN214703888 U CN 214703888U CN 202120530301 U CN202120530301 U CN 202120530301U CN 214703888 U CN214703888 U CN 214703888U
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Abstract
The utility model discloses an electric automobile high voltage direct current fuse life automatic checkout device, control module difference electricity is connected with control circuit, is used for data acquisition module of data acquisition, is used for controlling to open the man-machine communication interface who stops and is used for the data storage module of storage test data, and the control circuit electricity is connected with high voltage direct current fuse testboard, and high voltage direct current fuse testboard electricity is connected with the power load equipment. The device can realize the service life detection and the corresponding data display and storage of the high-voltage direct-current fuse under different voltages, currents and powers, and is suitable for the impact life detection of all high-power low-internal-resistance components.
Description
Technical Field
The utility model belongs to the technical field of the fuse detects, especially, relate to an electric automobile high voltage direct current fuse life automatic checkout device.
Background
The voltage of present electric automobile power battery group can reach several hundred volts, and the energy can reach dozens or even hundreds kilowatts-hour, in order to prevent the emergence of short circuit and overload phenomenon, high voltage direct current fuse is selected for use to the car high-voltage box and carries out the circuit protection, and when the electric current of being protected the circuit exceeded the specified value to after a certain period of time, the heat that the fuse-element produced makes the circuit disconnection to fuse-element self, thereby play the guard action. In the use process, due to the large current impact and the external environment influence of continuous start and stop, the aging degradation is inevitable to occur in the fuse melt, the protection characteristic of the fuse is changed, and the service life of the fuse is influenced.
The service life of the high-voltage direct-current fuse refers to a state that the fuse can normally work when a corresponding load is connected in a specific environment and on-off impact detection is carried out according to requirements.
In the existing detection technology, a large number of tests are performed through devices such as a timer and a counter to obtain the service life of the high-voltage direct-current fuse generally through manual sampling detection, and the operation mode is low in testing efficiency and highly dependent on personnel operation and judgment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric automobile high voltage direct current fuse life-span automatic checkout device to solve the problem of background art.
In order to achieve the above object, the utility model discloses an electric automobile high voltage direct current fuse life automatic checkout device's concrete technical scheme as follows:
the utility model provides an electric automobile high voltage direct current fuse life automatic checkout device, includes control module, control module electricity respectively is connected with control circuit, is used for the data acquisition module of data acquisition, is used for controlling the man-machine communication interface who opens and stops and is used for the data storage module of storage test data, and the control circuit electricity is connected with high voltage direct current fuse testboard, and high voltage direct current fuse testboard electricity is connected with the power load equipment, opens and stops voltage, electric current, internal resistance change around the process high voltage direct current fuse through the collection, realizes high voltage direct current fuse life-span automated inspection and judgement.
Furthermore, the high-voltage direct current fuse test bench is electrically connected with the control module through the data acquisition module.
Furthermore, the device also comprises a power supply module used for supplying electric energy to the control module, the control circuit, the data acquisition module, the high-voltage direct-current fuse test bench, the human-computer communication interface and the data storage module.
Further, the control module adopts an STM32F103VET6 module for sending, receiving, processing corresponding instructions and detecting data judgment.
Furthermore, the control circuit adopts an SUD50P 06P channel MOS transistor to control the starting and stopping circuit of the high-voltage direct-current contactor.
Furthermore, the data acquisition module adopts a WP-DCM336D-J2 intelligent power detector as an acquisition module, and the acquisition module can acquire voltage and current parameters of a circuit.
Furthermore, the power load equipment is externally connected with a direct current stabilized voltage power supply, and the power load equipment is connected with the data acquisition module and the high-voltage direct current fuse test bench and used for providing corresponding load voltage and current parameters for the high-voltage direct current fuse.
Further, the data storage module is a USB storage port for storing test data.
Compared with the prior art, the utility model discloses following beneficial effect has: the high-voltage direct-current fuse is connected with a corresponding load outside the high-voltage direct-current fuse through the power load cabinet, the control chip outputs and acquires a system signal to perform corresponding on-load starting and stopping actions on the high-voltage direct-current fuse, and the automatic detection and judgment of the service life of the high-voltage direct-current fuse are realized by acquiring the change conditions of the front voltage, the current and the internal resistance of the high-voltage direct-current fuse in the starting and stopping processes.
Drawings
FIG. 1 is a block diagram schematically illustrating the structure of the detecting device of the present invention;
fig. 2 is a schematic diagram of the analog circuit of the detecting device of the present invention.
The reference numbers in the figures illustrate: the device comprises a control module 1, a control circuit 2, a data acquisition module 3, a power load device 4, a high-voltage direct-current fuse test bench 5, a human-computer communication interface 6, a data storage module 7 and a power module 8.
Detailed Description
For a better understanding of the objects, structure and function of the invention, reference should be made to the drawings, FIGS. 1-2, which are included to illustrate the invention.
An automatic detection device for the service life of a high-voltage direct-current fuse of an electric automobile comprises a control module 1, wherein the control module 1 adopts an STM32F103VET6 module which is used for sending, receiving and processing corresponding instructions and judging detection data, and is an STM 32-bit microcontroller with high performance, small size, high operation speed, low power consumption, low price and a plurality of IO ports, the control module 1 is respectively and electrically connected with a control circuit 2, a data acquisition module 3 for acquiring data, a human-computer communication interface 6 for controlling starting and stopping and a data storage module 7 for storing test data, and the human-computer communication interface 6 comprises functions of detecting parameter input, starting and stopping control, detecting parameter output in real time and the like; meanwhile, the touch-proof screen locking technology is used, after the equipment runs, the screen is automatically locked, misoperation of personnel is avoided, and a buzzing alarm is arranged in the screen locking device.
The power load equipment 4 is externally connected with a load equipment of a direct current stabilized power supply, and can set parameters as follows: the device comprises a direct current voltage 0-1000V and a direct current 0-500A, a power load device 4 is connected with a data acquisition module 3 and a high-voltage direct current fuse test board 5 and used for providing corresponding load voltage and current parameters for a high-voltage direct current fuse, the corresponding parameters need to be set independently at the end of the device during detection, a data storage module 7 is a USB storage port used for storing test data, and the test data is stored in a mobile U disk in a text (.TXT) format and can also be connected to a PC end.
Correctly install high-voltage direct current fuse on high-voltage direct current fuse testboard 5, high-voltage direct current fuse testboard 5 connects the power cord and is high tension cable, high tension cable can bear direct current voltage and be 0-1000V, direct current is 0-500A, power load equipment 4 opens the back, according to being tested high-voltage direct current fuse test technical requirement, set up corresponding test load voltage, the current parameter, according to being tested high-voltage direct current fuse test technical requirement, set up corresponding simulation environment temperature at high-voltage direct current fuse testboard 5, after automatic checkout device switch-on power module 8, through human-machine communication interface 6, according to being tested high-voltage direct current fuse test technical requirement, set up the test parameter, contain: and the voltage, the current, the power, the internal resistance deviation judgment value and the detection times are used as detection judgment standard values and returned to the test interface. After the man-machine communication interface 6 presses the start button on the test interface, the test device enters an automatic detection mode, and meanwhile, the man-machine communication interface 6 starts an anti-misoperation function;
after the control module 1 reads data and a detection instruction of a human-computer communication interface 6, a corresponding working instruction is sent to a control circuit 2 to drive a high-voltage contactor to open and close the whole circuit, after the circuit is connected, a data acquisition module 3 acquires voltage and current data of input and output ends of a high-voltage direct-current fuse and transmits the data information to the control module 1, the control module 1 analyzes and processes the received data information to calculate the internal resistance value and the voltage drop value of the high-voltage direct-current fuse, if the voltage, current and internal resistance value data before and after the high-voltage direct-current fuse is connected and disconnected are the same as a set standard value or are qualified in an error range, if the voltage, current and internal resistance value data are not connected or the data are not in the range, the voltage, current and internal resistance value are unqualified.
When the single test is completed, the control module 1 sends the detection result to the data storage module 7 and the man-machine communication interface 6, the data storage module 7 stores the detection data, the man-machine communication interface 6 displays the detection result and the detection times (including preset times), after the data is stored and displayed, the control module 1 sends an instruction whether to enter the next detection cycle period or not according to the detection setting instruction data, if the corresponding detection number is completed, the device finishes the detection, and the single test cycle time can be set to be 1-60 s.
If the detected high-voltage direct-current fuse is not connected or the voltage, the current and the internal resistance value deviate from the judgment standard after the detected high-voltage direct-current fuse is connected, the control module 1 judges that the detection is unqualified, the human-computer communication interface 6 gives an alarm and displays fault information to stop the detection, the data storage module 7 stores test data and finishes the detection, and manual processing and resetting are needed.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.
Claims (8)
1. The utility model provides an electric automobile high voltage direct current fuse life automatic checkout device, includes control module (1), its characterized in that: control module (1) electricity respectively is connected with control circuit (2), data acquisition module (3) for data acquisition, be used for controlling to open man-machine communication interface (6) and be used for saving test data storage module (7) of opening, control circuit (2) electricity is connected with high voltage direct current fuse testboard (5), high voltage direct current fuse testboard (5) electricity is connected with power load equipment (4), through gather to open and stop the change of voltage, electric current, internal resistance around the process high voltage direct current fuse, realize high voltage direct current fuse life-span automated inspection and judgement.
2. The device for automatically detecting the service life of the high-voltage direct current fuse of the electric automobile according to claim 1 is characterized in that the high-voltage direct current fuse test bench (5) is electrically connected with the control module (1) through the data acquisition module (3).
3. The device for automatically detecting the service life of the high-voltage direct-current fuse of the electric vehicle according to claim 2 is characterized by further comprising a power supply module (8) which is used for supplying electric energy to the control module (1), the control circuit (2), the data acquisition module (3), the high-voltage direct-current fuse test bench (5), the human-computer communication interface (6) and the data storage module (7).
4. The device for automatically detecting the service life of the high-voltage direct current fuse of the electric automobile according to any one of claims 1-3, characterized in that the control module (1) adopts an STM32F103VET6 module for sending, receiving, processing corresponding instructions and detecting data judgment.
5. The device for automatically detecting the service life of the high-voltage direct-current fuse of the electric automobile according to claim 1 is characterized in that the control circuit (2) adopts an SUD50P 06P channel MOS transistor to control a start-stop circuit of the high-voltage direct-current contactor.
6. The device for automatically detecting the service life of the high-voltage direct-current fuse of the electric vehicle as claimed in claim 1 is characterized in that the data acquisition module (3) adopts a WP-DCM336D-J2 intelligent electric power detector as an acquisition module, and the acquisition module can acquire voltage and current parameters of a circuit.
7. The automatic detection device for the service life of the high-voltage direct-current fuse of the electric automobile according to claim 1 is characterized in that the power load equipment (4) is externally connected with a direct-current stabilized power supply, and the power load equipment (4) is connected with the data acquisition module (3) and the high-voltage direct-current fuse test bench (5) and is used for providing corresponding load voltage and current parameters for the high-voltage direct-current fuse.
8. The device for automatically detecting the service life of the high-voltage direct current fuse of the electric vehicle as claimed in claim 1, wherein the data storage module (7) is a USB storage port for storing test data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120530301.0U CN214703888U (en) | 2021-03-15 | 2021-03-15 | Electric automobile high voltage direct current fuse life-span automatic checkout device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120530301.0U CN214703888U (en) | 2021-03-15 | 2021-03-15 | Electric automobile high voltage direct current fuse life-span automatic checkout device |
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| CN214703888U true CN214703888U (en) | 2021-11-12 |
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| CN202120530301.0U Active CN214703888U (en) | 2021-03-15 | 2021-03-15 | Electric automobile high voltage direct current fuse life-span automatic checkout device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117607756A (en) * | 2024-01-18 | 2024-02-27 | 杭州布雷科电气有限公司 | Fuse performance test platform based on antagonistic neural network |
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2021
- 2021-03-15 CN CN202120530301.0U patent/CN214703888U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117607756A (en) * | 2024-01-18 | 2024-02-27 | 杭州布雷科电气有限公司 | Fuse performance test platform based on antagonistic neural network |
| CN117607756B (en) * | 2024-01-18 | 2024-04-05 | 杭州布雷科电气有限公司 | Fuse performance test platform based on antagonistic neural network |
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