CN219737712U - Power-on testing device and power-on testing system - Google Patents
Power-on testing device and power-on testing system Download PDFInfo
- Publication number
- CN219737712U CN219737712U CN202223421883.2U CN202223421883U CN219737712U CN 219737712 U CN219737712 U CN 219737712U CN 202223421883 U CN202223421883 U CN 202223421883U CN 219737712 U CN219737712 U CN 219737712U
- Authority
- CN
- China
- Prior art keywords
- power
- module
- output
- circuit board
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 193
- 238000001514 detection method Methods 0.000 claims abstract description 47
- 238000004891 communication Methods 0.000 claims description 26
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model discloses a power-on testing device and a power-on testing system. The power-on testing device comprises a control module, a power switch module and a signal detection module; the control module is connected with the power switch module and used for outputting a first control signal; the power switch module is connected with the power module and the test circuit board and is used for adjusting the power-on sequence of the multiple paths of power-on input voltages output by the power module according to the first control signal and outputting multiple paths of power-on output voltages to the test circuit board; the signal detection module is connected with the test circuit board and the control module and is used for detecting the power-on state of the test circuit board and outputting a power-on signal to the control module, so that the battery disorder power-on test is automatically performed, the test efficiency is improved, the power-on sequence combination sequence of the battery is perfected by configuring the control parameters corresponding to the first control signal, the power-on sequence combination sequence of the battery is fully covered, and the safety of a battery product is improved.
Description
Technical Field
The utility model relates to the technical field of battery testing, in particular to a power-on test device and a power-on test system.
Background
At present, the application scene of the battery is gradually expanded, and besides the traditional 3C digital electronic products, the battery is gradually expanded into various application scenes such as electric bicycles, toys, dust collectors, robots, outdoor mobile power supplies and the like, so that the application of the battery is gradually evolved from a single section to a plurality of complicated power supply systems.
However, in the research and development process of the multi-battery protection chip or the power supply product, due to randomness and uncontrollability of assembling the battery flat cable during production of the production line, the situation that the multi-battery is electrified out of order may trigger abnormal or uncontrolled functional logic of the multi-battery protection chip or the power supply product.
In order to solve the above problems, it is generally necessary to power up the battery product during the development of the product. In the traditional battery product power-on test, a power supply flat cable is generally connected with a ship-shaped switch, and the power-on sequence of the battery is manually controlled, so that the test efficiency is low under the condition of multiple batteries. And because the manual test is generally performed by testing the power-on sequence combination sequence of the power-on sequence combination sequence or the random switch of the power-on sequence combination sequence, the power-on sequence combination sequence is not fully covered, and a certain risk hidden trouble exists.
Disclosure of Invention
The embodiment of the utility model provides a power-on testing device and a power-on testing system, which are used for solving the problems of low testing efficiency and hidden danger when a test battery is electrified in an out-of-order manner.
The power-on test device comprises a control module, a power switch module and a signal detection module;
the control module is connected with the power switch module and used for outputting a first control signal;
the power switch module is connected with the power module and the test circuit board and is used for adjusting the power-on sequence of multiple paths of power-on input voltages output by the power module according to the first control signal and outputting multiple paths of power-on output voltages to the test circuit board;
the signal detection module is connected with the test circuit board and the control module and is used for detecting the power-on state of the test circuit board and outputting a power-on signal to the control module.
Further, the power-on test device also comprises a power input interface and a power output interface;
the power input interface is connected with the power module and the power switch module and is used for sending multiple paths of power-on input voltages output by the power module to the power switch module;
the power output interface is connected with the power switch module and the test circuit board and is used for sending multiple paths of power-on output voltages output by the power switch module to the test circuit board.
Further, the signal detection module comprises a starting-up signal detection unit, wherein the starting-up signal detection unit is connected with the test circuit board and the control module and is used for detecting a starting-up signal of the test circuit board and outputting an electrifying test signal to the control module.
Further, the signal detection module further comprises a voltage detection unit, wherein the voltage detection unit is connected with the test circuit board and the control module and is used for detecting the output state of the power-on output voltage of multiple paths output to the test circuit board and outputting a power-on test signal to the control module.
Further, the power-on test device further comprises a communication module;
the communication module is connected with the control module and the power supply module and is used for sending a second control signal output by the control module to the power supply module so that the power supply module outputs multiple paths of power-on input voltages to the power switch module.
The power-on test system comprises a host computer, a power supply module, a test circuit board and the power-on test device;
the upper computer is connected with the control module of the power-on testing device and is used for outputting control parameters to the control module so that the control module outputs a first control signal to the power switch module and outputs a second control signal to the power module according to the control parameters;
the power supply module is connected with the control module and the power switch module of the power-on testing device and is used for receiving the second control signal output by the control module and outputting a plurality of paths of power-on input voltages to the power switch module;
the test circuit board is connected with the power switch module and the signal detection module of the power-on test device and is used for receiving multiple paths of power-on output voltages output by the power switch module.
Further, the test circuit board includes a battery protection chip.
Further, the upper computer is connected with the communication module of the power-on testing device and is used for outputting control parameters to the communication module;
the power supply module is connected with the communication module and the power switch module, and is used for receiving the second control signal output by the communication module and outputting multiple paths of power-on input voltages to the power switch module.
Further, the power module is connected with the power switch module through a power input interface of the power-on testing device, and the testing circuit board is connected with the power switch module through a power output interface of the power-on testing device.
Further, the power module is a programmable power supply.
The power-on testing device and the power-on testing system comprise a control module, a power switch module and a signal detection module. The control module is connected with the power switch module so as to control and output a first control signal to the power switch module, the power switch module is connected with the power module and the test circuit board so as to adjust the power-on sequence of multiple paths of power-on input voltages output by the power switch module according to the control parameter corresponding to the first control signal, and output multiple paths of power-on output voltages to the test circuit board.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments of the present utility model will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a power-on testing device according to an embodiment of the utility model;
FIG. 2 is a schematic diagram of another power-on test apparatus according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a power-on test system according to an embodiment of the utility model.
In the figure: 10. an upper computer; 20. a power module; 30. powering up the testing device; 31. a control module; 32. a power switch module; 33. a signal detection module; 331. a power-on signal detection unit; 332. a voltage detection unit; 34. a power input interface; 35. a power output interface; 36. a communication module; 40. and testing the circuit board.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be understood that the present utility model may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
In the following description, for the purpose of providing a thorough understanding of the present utility model, detailed structures and steps are presented in order to illustrate the technical solution presented by the present utility model. Preferred embodiments of the present utility model are described in detail below, however, the present utility model may have other embodiments in addition to these detailed descriptions.
The present embodiment provides a power-on test device 30, as shown in fig. 3, which is applied to a power-on test system, and the power-on test system includes a host computer 10, a power module 20, the power-on test device 30 and a test circuit board 40. The upper computer 10 is connected with an upper electric testing device 30 for outputting control parameters. The power module 20 is connected to a power-on test device 30 for providing a plurality of power-on input voltages. The power-on testing device 30 is connected with the testing circuit board 40 and is used for outputting multiple paths of power-on output voltages to the testing circuit board 40 according to control parameters and multiple paths of power-on input voltages, so that the battery disorder power-on testing is automatically performed, the testing efficiency is improved, the control parameters are configured, the battery power-on sequence combination sequence is perfected, the battery power-on sequence combination sequence is fully covered, and the safety of battery products is improved.
The power module 20 may include a plurality of batteries, and may also include a programmable power source. The specific number of the batteries can be selected according to actual test requirements. Illustratively, the plurality of batteries are connected in series. When the battery module includes a programmable power supply, the programmable power supply outputs a corresponding multiple power-on input voltage through the control signal output by the power-on test device 30. The power-on test device 30 outputs a control signal according to the control parameter to control the programmable power supply to output a plurality of power-on input voltages. Optionally, the test circuit board 40 includes a battery protection chip, and may also include other multi-battery powered devices.
The embodiment provides a power-on test device 30, as shown in fig. 1, which comprises a control module 31, a power switch module 32 and a signal detection module 33; a control module 31 connected to the power switch module 32 for outputting a first control signal; the power switch module 32 is connected to the power module 20 and the test circuit board 40, and is configured to adjust a power-on sequence of multiple paths of power-on input voltages output by the power module 20 according to the first control signal, and output multiple paths of power-on output voltages to the test circuit board 40; the signal detection module 33 is connected to the test circuit board 40 and the control module 31, and is configured to detect a power-on state of the test circuit board 40, and output a power-on signal to the control module 31.
As an example, the control module 31 is connected to the power switch module 32, and is configured to output a first control signal. The control module 31 is also connected to the upper computer 10 in the power-on test system, and the upper computer 10 outputs a control parameter to the control module 31, and the control module 31 outputs a first control signal to the power switch module 32 according to the control parameter. Illustratively, the control parameters include the number of power-up output voltages corresponding to the power source, the switching sequence of the power-up output voltages, the switching delay time of the power-up output voltages, the load capacity of the power-up output voltages, and the like.
As an example, the power switch module 32 is connected to the power module 20 and the test circuit board 40, and is configured to adjust a power-on sequence of multiple power-on input voltages output by the power module 20 according to the first control signal, and output multiple power-on output voltages to the test circuit board 40. In this example, after the power switch module 32 receives the first control signal, the power-on sequence of the multiple paths of power-on input voltages output by the power module 20 can be adjusted according to the first control signal, and the multiple paths of power-on output voltages are output to the test circuit board 40, so that the out-of-order power-on test of the battery is automatically performed, the test efficiency is improved, and the control parameters are configured to perfect the power-on sequence combination sequence of the battery, so that the power-on sequence combination sequence of the battery is fully covered, and the safety of the battery product is improved.
As an example, the signal detection module 33 is connected to the test circuit board 40 and the control module 31, and is configured to detect a power-on state of the test circuit board 40, and output a power-on signal to the control module 31. In this example, the power-on state of the test circuit board 40 may be that whether the test circuit board 40 is powered on is detected, and a power-on test signal is output to the control module 31 to feed back a power-on test result to the control module 31. It should be noted that the existing power-on state detection technique of the test circuit board 40 may be used, which is not limited herein.
In this embodiment, the power-on test device 30 includes a control module 31, a power switch module 32, and a signal detection module 33. The control module 31 is connected with the power switch module 32 so as to control and output a first control signal to the power switch module 32, the power switch module 32 is connected with the power module 20 and the test circuit board 40 so as to enable the power switch module 32 to adjust the power-on sequence of multiple paths of power-on input voltages output by the power module 20 according to control parameters corresponding to the first control signal, and output multiple paths of power-on output voltages to the test circuit board 40, and meanwhile, the signal detection module 33 is connected with the test circuit board 40 and the control module 31 so as to detect the power-on state of the test circuit board 40 and output a power-on test signal to the control module 31 so as to feed back the power-on test signal to the control module 31, thereby realizing automatic out-of-order power-on test of the battery, improving the test efficiency by configuring the control parameters, improving the power-on sequence of the battery, enabling the power-on sequence of the battery to be fully covered, and improving the safety of the battery product.
In one embodiment, as shown in fig. 2, the power-on test device 30 further includes a power input interface 34 and a power output interface 35; the power input interface 34 is connected with the power module 20 and the power switch module 32, and is used for sending multiple paths of power-on input voltages output by the power module 20 to the power switch module 32; the power output interface 35 is connected to the power switch module 32 and the test circuit board 40, and is configured to send multiple paths of power-on output voltages output by the power switch module 32 to the test circuit board 40.
Wherein the power input interface 34 is a multi-path power interface. The power output interface 35 is a multiple power interface.
In this embodiment, the power input interface 34 is connected to the power module 20 and the power switch module 32, so as to send multiple power-on input voltages output by the power module 20 to the power switch module 32. The power output interface 35 is connected with the power switch module 32 and the test circuit board 40, so that multiple paths of power-on output voltages output by the power switch module 32 are sent to the test circuit board 40.
In an embodiment, as shown in fig. 2, the signal detection module 33 includes a power-on signal detection unit 331, where the power-on signal detection unit 331 is connected to the test circuit board 40 and the control module 31, and is configured to detect a power-on signal of the test circuit board 40 and output a power-on signal to the control module 31.
In this embodiment, the signal detection module 33 includes a power-on signal detection unit 331, and is configured to detect a power-on signal of the test circuit board 40 by connecting the power-on signal detection unit 331 with the test circuit board 40 and the control module 31, and output a power-on test signal to the control module 31, so that the control module 31 determines whether the test circuit board 40 is normally powered on when receiving multiple output voltages according to the power-on test signal, thereby determining whether the power-on sequence of the multiple output voltages is disordered, and implementing a power-on test. It should be noted that the multiplexed output voltage may be 2 n The output voltage of the circuit, n.gtoreq.1, according to 2 n When the permutation and combination with different output voltages are randomly powered on, the power-on requirement is that each permutation and combination can enable the test circuit board 40 to be normally started.
In an embodiment, as shown in fig. 2, the signal detection module 33 further includes a voltage detection unit 332, where the voltage detection unit 332 is connected to the test circuit board 40 and the control module 31, and is configured to detect an output state of multiple power-on output voltages output to the test circuit board 40, and output a power-on signal to the control module 31.
In this embodiment, the signal detection module 33 further includes a voltage detection unit 332, where the voltage detection unit 332 is connected to the test circuit board 40 and the control module 31, and is configured to detect an output state of multiple power-on output voltages output to the test circuit board 40, and output a power-on test signal to the control module 31, so that the control module 31 determines whether the multiple output voltages are normally output according to the power-on test signal, thereby ensuring reliability of the power-on test. For example, when the upper side of the test circuit board 40 detects the multiple output voltages, there may be an abnormal connection between the test circuit board 40 and the power switch module 32, or an abnormal connection between the test circuit board 40 and the signal detection module 33, so that the voltage detection unit 332 detects the output state of the multiple power-on output voltages output to the test circuit board 40 by connecting the voltage detection unit 332 with the test circuit board 40 and the control module 31, and outputs a power-on test signal to the control module 31, so that the control module 31 determines whether the multiple output voltages are normally output according to the power-on test signal, thereby guaranteeing the reliability of the power-on test.
In one embodiment, as shown in fig. 2, the power-on test device 30 further includes a communication module 36; the communication module 36 is connected to the control module 31 and the power module 20, and is configured to send a second control signal output by the control module 31 to the power module 20, so that the power module 20 outputs multiple power-on input voltages to the power switch module 32.
In this embodiment, the power-on test device 30 further includes a communication module 36, where the communication module 36 is connected to the control module 31 and the power module 20, and is configured to send a second control signal output by the control module 31 to the power module 20, so that the power module 20 outputs multiple power-on input voltages to the power switch module 32.
Further, the communication module 36 is further connected to the host computer 10, and is configured to send control parameters output by the host computer 10 to the control module 31, so that the control module 31 outputs a first control signal according to the control parameters, and sends the first control signal to the power switch module 32, so that the power switch module 32 adjusts a power-on sequence of multiple power-on input voltages output by the power module 20 according to the first control signal, and outputs multiple power-on output voltages to the test circuit board 40.
The embodiment provides a power-on test system, as shown in fig. 3, which comprises a host computer 10, a power module 20, a test circuit board 40 and the power-on test device 30; the upper computer 10 is connected with the control module 31 of the power-on testing device 30 and is used for outputting control parameters to the control module 31 so that the control module 31 outputs a first control signal to the power switch module 32 and outputs a second control signal to the power module 20 according to the control parameters; the power module 20 is connected with the control module 31 and the power switch module 32 of the power-on testing device 30, and is used for receiving a second control signal output by the control module 31 and outputting a plurality of paths of power-on input voltages to the power switch module 32; the test circuit board 40 is connected with the power switch module 32 and the signal detection module 33 of the power-on test device 30, and is used for receiving multiple paths of power-on output voltages output by the power switch module 32.
In this embodiment, as shown in fig. 3, by connecting the host computer 10 with the control module 31 of the power-on device 30, the host computer 10 outputs control parameters to the control module 31, so that the control module 31 outputs a first control signal to the power switch module 32 and outputs a second control signal to the power module 20 according to the control parameters; the power module 20 is connected with the control module 31 and the power switch module 32 of the power-on testing device 30, so that the power module 20 receives a second control signal output by the control module 31 and outputs multiple paths of power-on input voltages to the power switch module 32; and the test circuit board 40 is connected with the power switch module 32 and the signal detection module 33 of the power-on test device 30, so that the test circuit board 40 receives multiple paths of power-on output voltages transmitted by the power switch module 32, thereby realizing automatic out-of-order power-on test of the battery, improving the test efficiency, improving the power-on sequence combination sequence of the battery by configuring control parameters, fully covering the power-on sequence combination sequence of the battery, and improving the safety of battery products.
In one embodiment, the test circuit board 40 includes a battery protection chip
In this embodiment, the test circuit board 40 includes a battery protection chip, in actual production and test of the battery protection chip, the power-on sequence of the battery protection chip faces various power-on combinations that are unpredictable and unconventional, and the user generally requires that the battery protection chip can still be normally powered on under various power-on combination situations that are unconventional, so that the power-on test is performed on the battery protection chip in order to ensure that the power-on sequence of the battery protection chip is fully covered, thereby ensuring that the battery protection chip can be powered on under various power-on combination situations that are unconventional.
In one embodiment, the upper computer 10 is connected to the communication module 36 of the power-on testing device 30, and is configured to output control parameters to the communication module 36; the power module 20 is connected to the communication module 36 and the power switch module 32, and is configured to receive the second control signal output by the communication module 36, and output multiple power-on input voltages to the power switch module 32.
In this embodiment, the upper computer 10 is connected to the communication module 36 of the power-on testing device 30, so that the upper computer 10 outputs control parameters to the communication module 36; and the power module 20 is connected with the communication module 36 and the power switch module 32, so that the power module 20 can receive the second control signal output by the communication module 36, and output multiple power-on input voltages to the power switch module 32 according to the second control signal.
In one embodiment, the power module 20 is connected to the power switch module 32 through the power input interface 34 of the power-on test device 30, and the test circuit board 40 is connected to the power switch module 32 through the power output interface 35 of the power-on test device 30.
Wherein the power input interface 34 is a multi-path power interface. The power output interface 35 is a multiple power interface.
In this embodiment, the power input interface 34 is connected to the power module 20 and the power switch module 32, so as to send multiple power-on input voltages output by the power module 20 to the power switch module 32. The power output interface 35 is connected with the power switch module 32 and the test circuit board 40, so that multiple paths of power-on output voltages output by the power switch module 32 are sent to the test circuit board 40.
In one embodiment, power module 20 is a programmable power supply. In this embodiment, the programmable power supply outputs the corresponding multiple power-on input voltages to the power switch module 32 according to the second control signal sent by the control module 31, so that the power switch module 32 adjusts the power-on sequence of the multiple power-on input voltages output by the power module 20 according to the first control signal, and outputs the multiple power-on output voltages to the test circuit board 40.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model.
Claims (10)
1. The power-on testing device is characterized by comprising a control module, a power switch module and a signal detection module;
the control module is connected with the power switch module and used for outputting a first control signal;
the power switch module is connected with the power module and the test circuit board and is used for adjusting the power-on sequence of multiple paths of power-on input voltages output by the power module according to the first control signal and outputting multiple paths of power-on output voltages to the test circuit board;
the signal detection module is connected with the test circuit board and the control module and is used for detecting the power-on state of the test circuit board and outputting a power-on signal to the control module.
2. The power-on testing device of claim 1, wherein the power-on testing device further comprises a power input interface and a power output interface;
the power input interface is connected with the power module and the power switch module and is used for sending multiple paths of power-on input voltages output by the power module to the power switch module;
the power output interface is connected with the power switch module and the test circuit board and is used for sending multiple paths of power-on output voltages output by the power switch module to the test circuit board.
3. The power-on test device of claim 1, wherein the signal detection module comprises a power-on signal detection unit, and the power-on signal detection unit is connected with the test circuit board and the control module, and is configured to detect a power-on signal of the test circuit board and output the power-on signal to the control module.
4. The power-on test device of claim 1, wherein the signal detection module further comprises a voltage detection unit, and the voltage detection unit is connected to the test circuit board and the control module, and is configured to detect an output state of the multiple power-on output voltages output to the test circuit board, and output a power-on test signal to the control module.
5. The power-on test device of claim 1, wherein the power-on test device further comprises a communication module;
the communication module is connected with the control module and the power supply module and is used for sending a second control signal output by the control module to the power supply module so that the power supply module outputs multiple paths of power-on input voltages to the power switch module.
6. A power-on test system, comprising a host computer, a power module, a test circuit board and a power-on test device according to any one of claims 1 to 5;
the upper computer is connected with the control module of the power-on testing device and is used for outputting control parameters to the control module so that the control module outputs a first control signal to the power switch module and outputs a second control signal to the power module according to the control parameters;
the power supply module is connected with the control module and the power switch module of the power-on testing device and is used for receiving the second control signal output by the control module and outputting a plurality of paths of power-on input voltages to the power switch module;
the test circuit board is connected with the power switch module and the signal detection module of the power-on test device and is used for receiving multiple paths of power-on output voltages output by the power switch module.
7. The power-on test system of claim 6, wherein the test circuit board includes a battery protection chip.
8. The power-on testing system according to claim 6, wherein the upper computer is connected with a communication module of the power-on testing device and is used for outputting control parameters to the communication module;
the power supply module is connected with the communication module and the power switch module, and is used for receiving the second control signal output by the communication module and outputting multiple paths of power-on input voltages to the power switch module.
9. The power-on testing system of claim 6, wherein the power module is coupled to the power switch module via a power input interface of the power-on testing device, and the test circuit board is coupled to the power switch module via a power output interface of the power-on testing device.
10. The power-on electrical system of claim 6, wherein the power module is a programmable power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223421883.2U CN219737712U (en) | 2022-12-20 | 2022-12-20 | Power-on testing device and power-on testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223421883.2U CN219737712U (en) | 2022-12-20 | 2022-12-20 | Power-on testing device and power-on testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219737712U true CN219737712U (en) | 2023-09-22 |
Family
ID=88057009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223421883.2U Active CN219737712U (en) | 2022-12-20 | 2022-12-20 | Power-on testing device and power-on testing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219737712U (en) |
-
2022
- 2022-12-20 CN CN202223421883.2U patent/CN219737712U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10826137B2 (en) | Battery management method, battery, flight control system and unmanned aerial vehicle | |
| EP3210270B1 (en) | Digital power receiver system | |
| US9866054B2 (en) | Charging controlling device | |
| CN102810880B (en) | Power supply control method, power supply control device and electronic device | |
| US8115338B2 (en) | Emergency power unit | |
| CN102457384A (en) | Power device | |
| EP3985819A1 (en) | Battery pack | |
| US9772675B2 (en) | Power supply system of electronic device | |
| KR20160045506A (en) | Memory deviece test device and memory system test device | |
| CN111786437A (en) | Energy storage power supply, energy storage power supply parallel control device and parallel control method | |
| CN101789609A (en) | Battery equalization system, method and circuit | |
| US9997989B2 (en) | Method and device for electrical current delivery using parallel semiconductor switches | |
| CN219737712U (en) | Power-on testing device and power-on testing system | |
| CN212518484U (en) | Energy storage power supply and energy storage power supply parallel control device | |
| CN108429333B (en) | Power distribution device and operation method thereof | |
| US10205341B2 (en) | Direct current backup system | |
| JP2006296034A (en) | Communication system for battery module | |
| US6034504A (en) | Two-wire multi-rate battery charger | |
| TWI552485B (en) | Dc backup equipment | |
| US20220200069A1 (en) | Storage battery apparatus | |
| JP6707373B2 (en) | Cell balance device | |
| US11165279B2 (en) | Power supply apparatus, control apparatus for power supply apparatus, and method for controlling power supply apparatus | |
| JP2015146707A (en) | Power storage module controller and power storage module control method | |
| CN104935842A (en) | Standby circuit, control method and television system of standby circuit | |
| CN113923639B (en) | Control method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |