CN112433177A - Leakage current detection equipment and leakage current detection method for battery management controller - Google Patents
Leakage current detection equipment and leakage current detection method for battery management controller Download PDFInfo
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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- G—PHYSICS
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
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Abstract
The invention provides a leakage current detection device and a leakage current detection method for a battery management controller, wherein the leakage current detection device for the battery management controller comprises the following components: the first multi-path change-over switch comprises a multi-path input end and an output end, wherein the multi-path input end is respectively connected with the leakage current test interface, the output end of one path is connected with one end of the stabilized voltage power supply, and the leakage current test interface is used for connecting an acquisition channel of the battery management controller; the second multi-path change-over switch comprises a multi-path input end and one path of output end, the multi-path input end is respectively connected with the leakage current test interface, the one path of output end is connected with the other end of the stabilized voltage power supply, and the number of the multi-path input ends is determined according to the number of the acquisition channels; and the current detection device is used for detecting the leakage current of the loop where the battery management controller is located. By implementing the invention, the number of required batteries is reduced, the manufacturing cost of the detection equipment is reduced, the size of the detection equipment is reduced, and the detection equipment is convenient to move so as to realize different field detection requirements.
Description
Technical Field
The invention relates to the technical field of electronic circuits, in particular to a leakage current detection device and a leakage current detection method for a battery management controller.
Background
The leakage current test of the battery management controller is a basic functional test requirement, and currently, all the universal detection devices are that device manufacturers set a plurality of analog batteries to output rated voltages and load the rated voltages at two ends of a collection channel of the controller, so that the leakage current of each collection channel of the controller is tested. However, the collection channels of the battery management controller are numerous and can reach 60 channels at most at present, so that the detection equipment needs to be provided with a corresponding number of simulation batteries in order to meet the detection requirements, the detection equipment is expensive in manufacturing cost, large in occupied space and inconvenient to move, and different field detection requirements cannot be met.
Disclosure of Invention
In view of this, embodiments of the present invention provide a leakage current detection device and a leakage current detection method for a battery management controller, so as to solve the defects that the detection device in the prior art is expensive in manufacturing cost, large in occupied space, inconvenient to move, and incapable of meeting different field detection requirements.
According to a first aspect, an embodiment of the present invention provides a battery management controller leakage current detection apparatus, including: the first multi-path change-over switch comprises a multi-path input end and a path of output end, the multi-path input end is respectively connected with the leakage current test interface, the path of output end is connected with one end of the stabilized voltage power supply, and the leakage current test interface is used for being connected with an acquisition channel of the battery management controller; the second multi-path change-over switch comprises a plurality of input ends and one output end, the plurality of input ends are respectively connected with the leakage current test interface, the one output end is connected with the other end of the stabilized voltage power supply, and the number of the plurality of input ends is determined according to the number of the acquisition channels; and the current detection device is used for detecting the leakage current of the loop where the battery management controller is located.
Optionally, the battery management controller leakage current detection device further includes: and the controller is respectively connected with the first multi-path selector switch and the second multi-path selector switch and is used for controlling the switching of the first multi-path selector switch and the switching of the second multi-path selector switch.
Optionally, the battery management controller leakage current detection device further includes: and the alarm is connected with the controller and used for receiving the alarm signal of the controller and giving an alarm.
Optionally, the battery management controller leakage current detection device further includes: the first switch switching module is used for shifting the switch shifting sheet of the first multi-path switching switch to switch the circuit; and the second switch switching module is used for shifting the switch shifting sheet of the second multi-path switching switch to switch the circuit.
Optionally, the number of the multi-way input ends of the first multi-way selector switch and the second multi-way selector switch is 12.
According to a second aspect, an embodiment of the present invention provides a battery management controller leakage current detection system, including: the battery management controller comprises a plurality of acquisition channels; the leakage current detection device of the battery management controller according to the first aspect or any embodiment of the first aspect is connected to an acquisition channel of the battery management controller through a leakage current test interface; a power supply, configured to supply power to the leakage current detection device of the battery management controller according to the first aspect or any implementation manner of the first aspect.
According to a third aspect, an embodiment of the present invention provides a leakage current detection method, including the following steps: receiving a trigger signal; sending a control signal to control the first multi-path selector switch and the second multi-path selector switch to switch so as to perform leakage current test on a plurality of acquisition channels in the battery management controller; the first multi-path change-over switch comprises a multi-path input end and a path of output end, the multi-path input end is respectively connected with the leakage current test interface, the path of output end is connected with one end of the stabilized voltage power supply, and the leakage current test interface is used for being connected with each acquisition channel of the battery management controller; the second multi-path change-over switch comprises a multi-path input end and an output end, the multi-path input end is connected with the leakage current test interface, and the output end of the path is connected with the other end of the stabilized voltage power supply.
Optionally, the leakage current detection method further includes: acquiring leakage current data; and when the current leakage data is larger than a preset threshold value, sending an alarm control signal.
According to a fourth aspect, an embodiment of the present invention provides a leakage current detection apparatus, including: the trigger signal receiving module is used for receiving a trigger signal; the control signal sending module is used for sending a control signal and controlling the first multi-path selector switch and the second multi-path selector switch to switch so as to perform leakage current testing on a plurality of acquisition channels in the battery management controller; the first multi-path change-over switch comprises a multi-path input end and a path of output end, the multi-path input end is respectively connected with the leakage current test interface, the path of output end is connected with one end of the stabilized voltage power supply, and the leakage current test interface is used for being connected with each acquisition channel of the battery management controller; the second multi-path change-over switch comprises a multi-path input end and an output end, the multi-path input end is connected with the leakage current test interface, and the output end of the path is connected with the other end of the stabilized voltage power supply.
According to a fifth aspect, an embodiment of the present invention provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the steps of the leakage current detection method according to the third aspect or any one of the third aspect embodiments when executing the program.
According to a sixth aspect, an embodiment of the present invention provides a storage medium, on which computer instructions are stored, and the instructions, when executed by a processor, implement the steps of the leakage current detection method according to the third aspect or any one of the embodiments of the third aspect.
The technical scheme of the invention has the following advantages:
1. the battery management controller leakage current detection device/system provided by the embodiment is provided with the first multi-path selector switch and the second multi-path selector switch, and the leakage current test of a plurality of acquisition channels by using the same voltage stabilizing power supply is realized through the switch switching of the first multi-path selector switch and the second multi-path selector switch, so that the number of required batteries is reduced, the manufacturing cost of the detection device is reduced, the size of the detection device is reduced, the movement is facilitated, and different field detection requirements are realized.
2. According to the leakage current detection method provided by the embodiment, the first multi-path change-over switch and the second multi-path change-over switch are controlled through the control signal, leakage current tests of a plurality of acquisition channels are realized by using the same voltage stabilizing power supply, the number of required batteries is reduced, the manufacturing cost of detection equipment is reduced, the size of the detection equipment is reduced, the detection equipment is convenient to move, different field detection requirements are realized, and meanwhile, the automatic detection of the leakage current of the battery management controller is realized.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic block diagram of a specific example of a leakage current detection device of a battery management controller according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of a specific example of a leakage current detection device of a battery management controller according to an embodiment of the present invention;
fig. 3 is a schematic block diagram of a specific example of a leakage current detection device of a battery management controller according to an embodiment of the present invention;
fig. 4 is a schematic block diagram of a specific example of a leakage current detection device of a battery management controller according to an embodiment of the present invention;
FIG. 5 is a schematic block diagram of a specific example of a leakage current detection system of a battery management controller according to an embodiment of the invention;
fig. 6 is a schematic block diagram of a specific example of an electronic device in the embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The embodiment provides a leakage current detection device for a battery management controller, as shown in fig. 1, including the following steps:
the first multi-path change-over switch 101 comprises a multi-path input end and a path of output end, the multi-path input end is respectively connected with the leakage current test interface 104, the path of output end is connected with one end of the stabilized voltage power supply 105, and the leakage current test interface 104 is used for connecting an acquisition channel of the battery management controller;
the second multi-path change-over switch 102 comprises a plurality of input ends and an output end, the plurality of input ends are respectively connected with the leakage current test interface 104, the output end of one path is connected with the other end of the stabilized voltage power supply 105, and the number of the plurality of input ends is determined according to the number of the acquisition channels;
the current detection device 103 is used for detecting the magnitude of the leakage current of the loop where the battery management controller is located.
For example, the number of the multi-path input terminals in the first multi-path switch 101 and the second multi-path switch 102 may be determined according to the number of the acquisition channels. In this embodiment, one output end and 12 input ends are taken as an example, and the internal structure of the multi-way switch is shown in fig. 2, where the multi-way switch includes a dynamic contact located at one output end and 12 static contacts located at 12 input ends, the dynamic contact can dynamically adjust the connection with the static contacts, the dynamic contact is connected with different static contacts, and the formed leakage current detection loops are different. For example, when the leakage current test interface to which the first static contact of the first multi-way switch 101 is connected corresponds to one end of the first collection channel of the battery management controller, and when the leakage current test interface to which the first static contact of the second multi-way switch 102 is connected corresponds to the other end of the first collection channel of the battery management controller, when the dynamic contacts at one output end of the first multi-way switch 101 and the second multi-way switch 102 are both connected to the first static contact, the formed leakage current detection loop is used for detecting the leakage current of the first collection channel of the battery management controller.
In this way, when the leakage current test interface to which the second static contact of the first multi-way switch 101 is connected corresponds to one end of the second collection channel of the battery management controller, and when the leakage current test interface to which the second static contact of the second multi-way switch 102 is connected corresponds to the other end of the second collection channel of the battery management controller, when the dynamic contacts of the output ends of the first multi-way switch 101 and the second multi-way switch 102 are both connected to the second static contact, the formed leakage current detection loop is used for detecting the leakage current of the second collection channel of the battery management controller.
The stabilized voltage supply 105, the first multi-way selector switch 101, the second multi-way selector switch 102 and an acquisition channel of the battery management controller connected to the leakage current test interface 104 form a detection loop, and the stabilized voltage supply 105 supplies power to the detection loop for leakage current detection. Since a typical regulated power supply has an analog voltage of 3.6V, the regulated power supply 105 may include a 12V to 5V step-down module and a first regulated power supply connected to the step-down module to obtain an analog voltage of 3.6V, and the output of the first regulated power supply is 3.6V. In this leakage current detection circuit, the current detection device 103 may be an ammeter having a detection accuracy of microamperes, and performs leakage current detection for each detection circuit.
The battery management controller leakage current detection equipment that this embodiment provided sets up first multichannel change over switch and second multichannel change over switch to through the switch switching of first multichannel change over switch and second multichannel change over switch, realize carrying out the leakage current test to a plurality of collection channels with same steady voltage power supply, reduced required battery quantity, reduced check out test set's cost, make check out test set volume diminish, be convenient for remove, with the field detection demand that realizes the difference.
As an optional implementation manner of this embodiment, as shown in fig. 3, the leakage current detection device of the battery management controller further includes:
and a controller 106 connected to the first multiplexer 101 and the second multiplexer 102, respectively, for controlling the switching of the first multiplexer 101 and the switching of the second multiplexer 102.
For example, after being powered on, the controller 106 may execute a preset program to automatically control the first multi-way switch 101 and the second multi-way switch 102 connected thereto to perform switching, so as to implement leakage current testing on different acquisition channels of the battery management controller, thereby achieving the effect of automatically performing leakage current testing.
As an optional implementation manner of this embodiment, as shown in fig. 3, the leakage current detection device of the battery management controller further includes:
and the alarm 107 is connected with the controller 106 and is used for receiving the alarm signal of the controller 106 and sending an alarm.
Illustratively, the controller 106 obtains leakage current data detected by the current detection device 103 in real time, and compares the leakage current data with preset data, when the leakage current data detected by the current detection device 103 is greater than the preset data, which indicates that the collection channel in the battery management controller does not meet the leakage current detection standard, the controller 106 sends an alarm signal to the alarm 107, the alarm 107 sends an alarm after receiving the alarm signal, the alarm 107 may be a buzzer or a flashing light, and the way of sending the alarm may be a buzzer or a light with a specific color/frequency to prompt a user to know in time.
As an optional implementation manner of this embodiment, as shown in fig. 4, the leakage current detection device of the battery management controller further includes:
the first switch switching module 108 is configured to toggle a switch toggle piece of the first multi-path switch 101 to perform circuit switching;
and the second switch switching module 109 is configured to toggle the switch toggle piece of the second multi-way switch 102 to perform circuit switching.
Illustratively, the first switch switching module 108 and the second switch switching module 109 may be in the form of knobs, and when a user rotates the knob representing the first switch switching module 108, the switch dials of the first multi-way switch 101 are correspondingly toggled to perform circuit switching, and similarly, when a user rotates the knob representing the second switch switching module 109, the switch dials of the second multi-way switch 102 are correspondingly toggled to perform circuit switching. The specific existence form of the first switch switching module 108 and the second switch switching module 109 is not limited in this embodiment, and can be determined by those skilled in the art as needed. The leakage current detection device of the battery management controller provided by the embodiment can also receive a circuit switching signal of a user, so that the use convenience of the leakage current detection device of the battery management controller is improved.
An embodiment of the present invention provides a leakage current detection system for a battery management controller, as shown in fig. 5, including:
a battery management controller 201 including a plurality of acquisition channels;
the leakage current detection device 202 of the battery management controller in the above embodiment is connected to the acquisition channel of the battery management controller 201 through a leakage current test interface; for details, reference is made to the above embodiments of the leakage current detection device of the battery management controller, and details are not described herein again.
And a power supply 203 for supplying power to the battery management controller leakage current detection device 202 in the above-described embodiment. The power supply 203 may be a 12V voltage supply.
The battery management controller leakage current detection system that this embodiment provided sets up first multichannel change over switch and second multichannel change over switch to through the switch switching of first multichannel change over switch and second multichannel change over switch, realize carrying out the leakage current test to a plurality of collection channels with same steady voltage power supply, reduced required battery quantity, reduced check out test set's cost, make check out test set volume diminish, be convenient for remove, with the field detection demand that realizes the difference.
The embodiment of the invention provides a leakage current detection method, which comprises the following steps:
firstly, receiving a trigger signal;
for example, the trigger signal may be a signal of a specific action by a user at a specific location, such as the user pressing a start button of the leakage current detection device of the battery management controller; or the power-on signal may be used as a trigger signal, that is, the control signal starts to be transmitted while the power is turned on. The triggering mode of the triggering signal is not limited in this embodiment, and those skilled in the art can determine the triggering mode as needed.
Secondly, sending a control signal to control the first multi-path selector switch and the second multi-path selector switch to switch so as to perform leakage current test on a plurality of acquisition channels in the battery management controller; the first multi-path change-over switch comprises a multi-path input end and an output end, wherein the multi-path input end is respectively connected with the leakage current test interface, the output end of one path is connected with one end of the stabilized voltage power supply, and the leakage current test interface is used for connecting each acquisition channel of the battery management controller; and the second multi-path change-over switch comprises a multi-path input end and an output end, wherein the multi-path input end is respectively connected with the leakage current test interface, and the output end of one path is connected with the other end of the stabilized voltage power supply. For details, reference is made to the corresponding parts of the above embodiments of the leakage current detection device of the battery management controller, and details are not described herein again.
According to the leakage current detection method provided by the embodiment, the first multi-path change-over switch and the second multi-path change-over switch are controlled through the control signal, leakage current tests of a plurality of acquisition channels are realized by using the same voltage stabilizing power supply, the number of required batteries is reduced, the manufacturing cost of detection equipment is reduced, the size of the detection equipment is reduced, the detection equipment is convenient to move, different field detection requirements are realized, and meanwhile, the automatic detection of the leakage current of the battery management controller is realized.
As an optional implementation manner of this embodiment, the leakage current detection method further includes:
acquiring leakage current data; and when the leakage current data is larger than a preset threshold value, sending an alarm control signal. For details, reference is made to the corresponding parts of the above embodiments of the leakage current detection device of the battery management controller, and details are not described herein again.
An embodiment of the present invention provides a leakage current detection apparatus, including:
the trigger signal receiving module is used for receiving a trigger signal; for details, reference is made to the corresponding parts of the above method embodiments, which are not described herein again.
The control signal sending module is used for sending a control signal and controlling the first multi-path selector switch and the second multi-path selector switch to switch so as to perform leakage current testing on a plurality of acquisition channels in the battery management controller; the first multi-path change-over switch comprises a multi-path input end and a path of output end, the multi-path input end is respectively connected with the leakage current test interface, the path of output end is connected with one end of the voltage stabilizing power supply, and the leakage current test interface is used for connecting each acquisition channel of the battery management controller; and the second multi-path change-over switch comprises a multi-path input end and an output end, wherein the multi-path input end is respectively connected with the leakage current test interface, and the output end of one path is connected with the other end of the stabilized voltage power supply. For details, reference is made to the corresponding parts of the above method embodiments, which are not described herein again.
As an optional implementation manner of this embodiment, the leakage current detection apparatus further includes:
the data acquisition module is used for acquiring leakage current data; for details, reference is made to the corresponding parts of the above method embodiments, which are not described herein again.
And the alarm control signal sending module is used for sending an alarm control signal when the leakage current data is greater than a preset threshold value. For details, reference is made to the corresponding parts of the above method embodiments, which are not described herein again.
The embodiment of the present application also provides an electronic device, as shown in fig. 6, including a processor 410 and a memory 420, where the processor 410 and the memory 420 may be connected by a bus or in other manners.
Processor 410 may be a Central Processing Unit (CPU). The Processor 410 may also be other general purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, or combinations thereof.
The memory 420 is a non-transitory computer readable storage medium, and can be used to store non-transitory software programs, non-transitory computer executable programs, and modules, such as program instructions/modules corresponding to the leakage current detection method in the embodiment of the present invention. The processor executes various functional applications and data processing of the processor by executing non-transitory software programs, instructions, and modules stored in the memory.
The memory 420 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created by the processor, and the like. Further, the memory may include high speed random access memory, and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, memory 420 may optionally include memory located remotely from the processor, which may be connected to the processor via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The one or more modules are stored in the memory 420 and, when executed by the processor 410, perform a leakage current detection method in an embodiment.
The details of the electronic device may be understood by referring to the corresponding related descriptions and effects in the embodiments, and are not described herein again.
The embodiment also provides a computer storage medium, wherein the computer storage medium stores computer-executable instructions, and the computer-executable instructions can execute the leakage current detection method in any method embodiment. The storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a Flash Memory (Flash Memory), a Hard Disk (Hard Disk Drive, abbreviated as HDD), a Solid State Drive (SSD), or the like; the storage medium may also comprise a combination of memories of the kind described above.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (11)
1. A battery management controller leakage current detection device, comprising:
the first multi-path change-over switch comprises a multi-path input end and a path of output end, the multi-path input end is respectively connected with the leakage current test interface, the path of output end is connected with one end of the stabilized voltage power supply, and the leakage current test interface is used for being connected with an acquisition channel of the battery management controller;
the second multi-path change-over switch comprises a plurality of input ends and one output end, the plurality of input ends are respectively connected with the leakage current test interface, the one output end is connected with the other end of the stabilized voltage power supply, and the number of the plurality of input ends is determined according to the number of the acquisition channels;
and the current detection device is used for detecting the leakage current of the loop where the battery management controller is located.
2. The battery management controller leakage current detection device of claim 1, further comprising:
and the controller is respectively connected with the first multi-path selector switch and the second multi-path selector switch and is used for controlling the switching of the first multi-path selector switch and the switching of the second multi-path selector switch.
3. The battery management controller leakage current detection device of claim 2, further comprising:
and the alarm is connected with the controller and used for receiving the alarm signal of the controller and giving an alarm.
4. The battery management controller leakage current detection device of claim 1, further comprising:
the first switch switching module is used for shifting the switch shifting sheet of the first multi-path switching switch to switch the circuit;
and the second switch switching module is used for shifting the switch shifting sheet of the second multi-path switching switch to switch the circuit.
5. A battery management controller leakage current detection apparatus according to any of claims 1 to 4, wherein the number of inputs of the first multiplexer and the second multiplexer is 12.
6. A battery management controller leakage current detection system, comprising:
the battery management controller comprises a plurality of acquisition channels;
the battery management controller leakage current detection device of any of claims 1-5, connected to the collection channel of the battery management controller through a leakage current test interface;
a power supply for powering the battery management controller leakage current detection device of any of claims 1-5.
7. A leakage current detection method is characterized by comprising the following steps:
receiving a trigger signal;
sending a control signal to control the first multi-path selector switch and the second multi-path selector switch to switch so as to perform leakage current test on a plurality of acquisition channels in the battery management controller; the first multi-path change-over switch comprises a multi-path input end and a path of output end, the multi-path input end is respectively connected with the leakage current test interface, the path of output end is connected with one end of the stabilized voltage power supply, and the leakage current test interface is used for being connected with each acquisition channel of the battery management controller; the second multi-path change-over switch comprises a multi-path input end and an output end, the multi-path input end is connected with the leakage current test interface, and the output end of the path is connected with the other end of the stabilized voltage power supply.
8. The method of claim 7, further comprising:
acquiring leakage current data;
and when the current leakage data is larger than a preset threshold value, sending an alarm control signal.
9. A leakage current detection device, comprising:
the trigger signal receiving module is used for receiving a trigger signal;
the control signal sending module is used for sending a control signal and controlling the first multi-path selector switch and the second multi-path selector switch to switch so as to perform leakage current testing on a plurality of acquisition channels in the battery management controller; the first multi-path change-over switch comprises a multi-path input end and a path of output end, the multi-path input end is respectively connected with the leakage current test interface, the path of output end is connected with one end of the stabilized voltage power supply, and the leakage current test interface is used for being connected with each acquisition channel of the battery management controller; the second multi-path change-over switch comprises a multi-path input end and an output end, the multi-path input end is connected with the leakage current test interface, and the output end of the path is connected with the other end of the stabilized voltage power supply.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the steps of the leakage current detection method according to claim 7 or 8 are implemented when the processor executes the program.
11. A storage medium having stored thereon computer instructions, which when executed by a processor, carry out the steps of the leakage current detection method of claim 7 or 8.
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| CN202011367275.0A CN112433177A (en) | 2020-11-27 | 2020-11-27 | Leakage current detection equipment and leakage current detection method for battery management controller |
| PCT/CN2021/085437 WO2022110606A1 (en) | 2020-11-27 | 2021-04-02 | Leakage current measurement device for battery management controller, and leakage current measurement method |
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| CN113985109A (en) * | 2021-11-25 | 2022-01-28 | 广东乐心医疗电子股份有限公司 | Weak current measuring device and system |
| WO2022110606A1 (en) * | 2020-11-27 | 2022-06-02 | 苏州精控能源科技有限公司 | Leakage current measurement device for battery management controller, and leakage current measurement method |
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| US7459914B2 (en) * | 2006-10-31 | 2008-12-02 | Caterpillar Inc. | Systems and methods for electrical leakage detection |
| CN203396921U (en) * | 2013-07-23 | 2014-01-15 | 乐清市捷达自动化设备有限公司 | Multi-load voltage switch power test device |
| US9630520B2 (en) * | 2015-01-13 | 2017-04-25 | Ford Global Technologies, Llc | Circuit and method for battery leakage detection |
| CN107533090B (en) * | 2015-05-08 | 2019-10-22 | 华为技术有限公司 | A kind of electric leakage current test circuit and method |
| CN106959386B (en) * | 2017-03-30 | 2018-09-04 | 维沃移动通信有限公司 | A kind of creepage detection method and mobile terminal |
| CN207215989U (en) * | 2017-09-08 | 2018-04-10 | 北京普莱德新能源电池科技有限公司 | A kind of battery management unit test device |
| CN111060843A (en) * | 2019-11-25 | 2020-04-24 | 江西恒动新能源有限公司 | Device and method for detecting leakage current of slave board of battery management system |
| CN112433177A (en) * | 2020-11-27 | 2021-03-02 | 苏州精控能源科技有限公司 | Leakage current detection equipment and leakage current detection method for battery management controller |
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| WO2022110606A1 (en) * | 2020-11-27 | 2022-06-02 | 苏州精控能源科技有限公司 | Leakage current measurement device for battery management controller, and leakage current measurement method |
| CN113985109A (en) * | 2021-11-25 | 2022-01-28 | 广东乐心医疗电子股份有限公司 | Weak current measuring device and system |
| CN113985109B (en) * | 2021-11-25 | 2023-12-12 | 广东乐心医疗电子股份有限公司 | Weak current measurement device and system |
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