CN115639416A - Charger aging test device and method, charger and storage medium - Google Patents
Charger aging test device and method, charger and storage medium Download PDFInfo
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- CN115639416A CN115639416A CN202110819328.6A CN202110819328A CN115639416A CN 115639416 A CN115639416 A CN 115639416A CN 202110819328 A CN202110819328 A CN 202110819328A CN 115639416 A CN115639416 A CN 115639416A
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Abstract
The invention discloses a charger aging test device and method, a charger and a storage medium. Wherein, charger aging testing device includes: the device comprises a battery pack, a power resistor, a switching circuit and a controller, wherein the switching circuit is connected with the battery pack, the power resistor and a voltage output end of a charger, the controller is used for acquiring the connection state of the battery pack on the charger, and when the battery pack is connected on the charger is determined, the switching circuit is controlled to enable the battery pack to be communicated with the voltage output end of the charger, the charger is controlled to charge the battery pack, the switching circuit is controlled to enable the power resistor to be communicated with the voltage output end of the charger after first preset time is delayed or charging current of the charger is detected, and the charger is controlled to discharge through the power resistor to conduct aging test. Therefore, manual intervention is not needed, manpower waste is avoided, meanwhile, the battery pack does not need to be charged repeatedly, and the aging speed of the battery pack is greatly reduced.
Description
Technical Field
The invention relates to the technical field of charger detection, in particular to a charger aging test device, a charger aging test method, a charger and a storage medium.
Background
At present, a charger for charging for lithium battery pack must be connected to the lithium battery pack to test when carrying out the aging test with load, and the lithium battery pack that will discharge and accomplish is connected to the charger and charges specifically, and after this lithium battery pack was fully charged, the next lithium battery pack was changed and the charging was carried out, so circulation. In the whole process, the charger can be kept in the state of outputting electric energy all the time by manual intervention, so that the efficiency is low, the manpower is wasted, and the lithium battery pack is accelerated by repeated charging and discharging of the lithium battery pack.
Disclosure of Invention
The present invention is directed to solving, at least in part, one of the technical problems in the related art. Therefore, the first purpose of the invention is to provide a charger aging test device, which does not need manual intervention, avoids manpower waste, and greatly reduces the aging speed of a battery pack without repeatedly charging the battery pack.
The second objective of the present invention is to provide a method for testing aging of a charger.
A third object of the invention is to propose a computer-readable storage medium.
A fourth object of the invention is to provide a charger.
In order to achieve the above object, a first embodiment of the present invention provides a device for testing aging of a charger, including: the device comprises a battery pack, a power resistor, a switching circuit and a controller, wherein the switching circuit is connected with the battery pack, the power resistor and a voltage output end of a charger, the controller is used for acquiring the connection state of the battery pack on the charger, and when the battery pack is connected on the charger is determined, the switching circuit is controlled to enable the battery pack to be communicated with the voltage output end of the charger, the charger is controlled to charge the battery pack, the switching circuit is controlled to enable the power resistor to be communicated with the voltage output end of the charger after first preset time is delayed or charging current of the charger is detected, and the charger is controlled to discharge through the power resistor to conduct aging test.
According to the aging test device for the charger, the connection state of the battery pack on the charger is obtained through the controller, when the battery pack is connected to the charger, the switching circuit is controlled to enable the battery pack to be communicated with the voltage output end of the charger, the charger is controlled to charge the battery pack, the first preset time is delayed or the charging current of the charger is detected, the switching circuit is controlled to enable the power resistor to be communicated with the voltage output end of the charger, and the charger is controlled to discharge through the power resistor to conduct an aging test. Therefore, when the charger starts to output electric energy outwards, the charger is used for charging the battery pack, so that the charger can output the electric energy outwards, and then the power resistor is switched to discharge, so that the battery pack does not need to be charged repeatedly, the aging speed of the battery pack is greatly reduced, manual intervention is not needed, and manpower waste is avoided.
According to one embodiment of the present invention, a switching circuit includes: the charger comprises a first controllable switch and a second controllable switch, wherein a first end of the first controllable switch is connected to a first voltage output end of the charger, a second end of the first controllable switch is connected to a second voltage output end of the charger through a battery pack, and a control end of the first controllable switch is connected to a controller; the first end of the second controllable switch is connected to the first voltage output end of the charger, the second end of the second controllable switch is connected to the second voltage output end of the charger through the power resistor, and the control end of the second controllable switch is connected to the controller.
According to one embodiment of the present invention, a switching circuit includes: and a first end of the third controllable switch is connected to the first voltage output end of the charger, a second end of the third controllable switch is connected to the second voltage output end of the charger through the battery pack, a third end of the third controllable switch is connected to the second voltage output end of the charger through the power resistor, and a control end of the third controllable switch is connected to the controller.
According to one embodiment of the invention, the third controllable switch comprises: a relay and a switch tube, wherein; the first end of a switch of the relay is connected to the first voltage output end of the charger, the second end of the switch of the relay is connected to the second voltage output end of the charger through a battery pack, the third end of the switch of the relay is connected to the second voltage output end of the charger through a power resistor, and one end of a coil of the relay is connected to the negative electrode of a power supply of the charger; the first end of switch tube is connected to the other end of the coil of relay, and the second end of switch tube is connected to the power supply positive pole of charger, and the control end of switch tube is connected to the controller.
According to an embodiment of the present invention, the controller, when controlling the charger to discharge through the power resistor for the burn-in test, is further configured to: and acquiring the discharging time, and controlling the charger to stop working when the discharging time reaches a second preset time.
According to an embodiment of the present invention, the controller, when controlling the charger to discharge through the power resistor for the burn-in test, is further configured to: and acquiring the discharge frequency, delaying for a third preset time when the discharge frequency does not reach the preset frequency, and then acquiring the connection state of the battery pack on the charger again to perform the next aging test until the discharge frequency reaches the preset frequency.
According to an embodiment of the present invention, the controller, when controlling the charger to discharge through the power resistor for the burn-in test, is further configured to: and acquiring the electric quantity information of the battery pack, and reminding the battery pack replacement when the battery pack needs to be replaced according to the electric quantity information.
In order to achieve the above object, a second embodiment of the present invention provides a method for testing aging of a charger, including: acquiring the connection state of a battery pack on a charger; when the charger is determined to be connected with the battery pack, controlling the charger to charge the battery pack; and after delaying the first preset time or detecting the charging current of the charger, controlling the charger to discharge through the power resistor to perform the aging test.
According to the aging test method of the charger, the connection state of the battery pack on the charger is obtained, when the battery pack is connected to the charger, the charger is controlled to charge the battery pack, and after first preset time is delayed or charging current of the charger is detected, the charger is controlled to discharge through the power resistor to perform aging test. Therefore, when the charger starts to output electric energy outwards, the charger is used for charging the battery pack, so that the charger can output the electric energy outwards, and then the power resistor is switched to discharge, the battery pack does not need to be charged repeatedly, the aging speed of the battery pack is greatly reduced, manual intervention is not needed, and manpower waste is avoided.
According to one embodiment of the invention, the method for controlling the charger to discharge through the power resistor for burn-in test comprises the following steps: acquiring discharge time; and if the discharging time reaches the second preset time, controlling the charger to stop working.
According to an embodiment of the present invention, the controlling the charger to discharge through the power resistor for the burn-in test further comprises: acquiring the discharge times; if the discharging times do not reach the preset times, after delaying for a third preset time, returning to the step of obtaining the connection state of the battery pack on the charger until the discharging times reach the preset times.
According to an embodiment of the present invention, the method for testing aging of a charger further comprises: acquiring the electric quantity information of the battery pack; and if the battery pack needs to be replaced according to the electric quantity information, reminding of battery pack replacement is carried out.
To achieve the above object, a third embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the aging test method for a charger as described above.
According to the computer-readable storage medium of the embodiment of the invention, by the charger aging test method, the battery pack is charged by the charger only when the charger starts to output electric energy outwards, so that the charger can output the electric energy outwards and then switches to the power resistor for discharging, the battery pack does not need to be charged repeatedly, the aging speed of the battery pack is greatly reduced, manual intervention is not needed, and manpower waste is avoided.
In order to achieve the above object, a fourth aspect of the present invention provides a charger, including a memory and a processor, where the memory stores a computer program, and the processor implements the steps of the above aging method when executing the computer program.
According to the charger provided by the embodiment of the invention, through the charger aging test method, the battery pack is charged by the charger only when the charger starts to output electric energy outwards, so that the charger can output the electric energy outwards, and then the power resistor is switched to discharge, so that the battery pack does not need to be charged repeatedly, the aging speed of the battery pack is greatly reduced, meanwhile, manual intervention is not needed, and the waste of manpower is avoided.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a block diagram of a degradation testing apparatus of a charger according to an embodiment of the present invention;
FIG. 2 is a circuit diagram of a degradation testing apparatus of a charger according to an embodiment of the present invention;
fig. 3 is a circuit diagram of a degradation testing apparatus of a charger according to another embodiment of the present invention;
fig. 4 is a flowchart illustrating a method for burn-in testing a charger according to an embodiment of the invention.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
It should be noted that the charger in the present application may be any charger that can perform the burn-in test with load only when the battery pack needs to be connected, and may be a dc charger, an ac charger, or the like, and is not limited herein. For example, the charger can be an alternating current charger, the input end of the charger is an alternating current input, and a switching power supply is arranged inside the charger, so that the input alternating current (such as 90-264V) is converted into direct current (such as 12V), power is supplied to an internal DCDC circuit board, a charging management chip and a control chip are arranged on the DCDC circuit board, and due to the characteristics of the charging management chip, the charger can output current outwards only when a battery pack needs to be connected, so that the current aging test of the charger with a load is realized by replacing the battery pack continuously by manpower, manpower is wasted, and the aging speed of the battery pack can be accelerated.
Based on this, the application provides a charger aging testing device, including the battery package, power resistor, switching circuit and controller, wherein, when confirming to be connected with the battery package on the charger through the controller, control switching circuit so that the battery package is linked together with the voltage output end of charger, and control the charger and charge for the battery package, and after the charging current of first default time of delay or detection charger, control switching circuit so that power resistor and the voltage output end of charger are linked together, and control the charger discharges through power resistor in order to carry out aging testing, thereby need not artificial intervention and need not to carry out aging testing to the battery package repeatedly charging, manpower resources waste has been avoided, the aging rate of battery package has been reduced simultaneously.
It should be noted that, the controller in the present application may be an original control chip in the charger, or may be an independent control chip, and is not limited herein, and when the controller is an independent control chip, the controller may perform information interaction with the original control chip, the charging management chip, and the like in the charger.
The charger aging test device provided by the application is described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a charger aging test apparatus according to an embodiment of the present invention, and as shown in fig. 1, the charger aging test apparatus may include: battery pack 101, power resistor 102, switching circuit 103, and controller 104.
The switching circuit 103 is connected with the battery pack 101, the power resistor 102 and a voltage output end of the charger, and the controller 104 is configured to obtain a connection state of the battery pack on the charger, control the switching circuit 103 to communicate the battery pack 101 with the voltage output end of the charger when it is determined that the battery pack 101 is connected to the charger, control the charger to charge the battery pack 101, delay a first preset time or detect a charging current of the charger, control the switching circuit 103 to communicate the power resistor 102 with the voltage output end of the charger, and control the charger to discharge through the power resistor 102 for an aging test.
Specifically, referring to fig. 1, a voltage output terminal of the charger is connected to the battery pack 101 and the power resistor 102 through the switching circuit 103, the controller 104 is connected to the switching circuit 103 to control the switching circuit 103, and the controller 104 may be an original control chip in the charger.
When the charger is subjected to aging test, a tester firstly inserts the battery pack 101 into a charging interface of the charger, a charging management chip in the charger recognizes that the battery pack 101 is connected to the charger, the charging management chip sends a recognition result to the controller 104, and the controller 104 controls the switching circuit 103 to act when determining that the charger is connected with the battery pack 101 according to the recognition result, so that the battery pack 101 and a voltage output end of the charger form a passage, and the charger charges the battery pack 101. After delaying the first preset time or detecting the charging current of the charger, the controller 104 controls the switching circuit 103 to operate, so that the power resistor 102 and the voltage output end of the charger form a path, at this time, the charger stops charging the battery pack 101 and turns to discharge the power resistor 102, that is, the power resistor 102 replaces the battery pack 101 to serve as a load of the charger, so that the charger can continue to output electric energy outwards to perform the aging test.
It should be noted that the first preset time may be calibrated according to an actual situation, as long as it is ensured that the charger can output the electric energy outwards, and the first preset time may be, for example, 20ms, and is not limited herein.
In the embodiment, when the charger is subjected to the aging test, the charger is used for charging the battery pack only when the charger starts to output electric energy outwards, so that the charger can output the electric energy outwards, and then the power resistor is switched to discharge, so that the battery pack does not need to be charged repeatedly, the aging speed of the battery pack is greatly reduced, meanwhile, manual intervention is not needed, and manpower waste is avoided.
In some embodiments, as illustrated with reference to fig. 2, the switching circuit 103 may comprise a first controllable switch K1 and a second controllable switch K2. A first end of the first controllable switch K1 is connected to a first voltage output end of the charger, a second end of the first controllable switch K1 is connected to a second voltage output end of the charger through the battery pack 101, and a control end of the first controllable switch K1 is connected to the controller 104; a first terminal of the second controllable switch K2 is connected to the first voltage output terminal of the charger, a second terminal of the second controllable switch K2 is connected to the second voltage output terminal of the charger through the power resistor 102, and a control terminal of the second controllable switch K2 is connected to the controller 104.
Specifically, referring to fig. 2, the first controllable switch K1 and the second controllable switch K2 may be power devices such as a transistor, and the like, and the specific configuration is not limited herein as long as the on/off of the circuit where the first controllable switch K1 and the second controllable switch K2 are located can be realized under the control of the controller 104. Wherein, the first end of the first controllable switch K1 is connected to the first voltage output end (i.e. the output positive pole) of the charger, the second end is connected to the positive pole of the battery pack 101, and the negative pole of the battery pack 101 is connected to the second voltage output end (i.e. the output negative pole) of the charger; a first end of the second controllable switch K2 is connected to the first voltage output end of the charger, a second end is connected to one end of the power resistor 102, and the other end of the power resistor 102 is connected to the second voltage output end of the charger. The controller 104 is connected to the control end of the first controllable switch K1 and the control end of the second controllable switch K2, the controller 104 may be an original control chip in the charger, and may output a control signal to the first controllable switch K1 and the second controllable switch K2 through a control signal port on the charger to control the first controllable switch K1 and the second controllable switch K2. In addition, the charging Management chip inside the charger can communicate with the battery pack 101 through an SMBUS (System Management Bus) communication port on the charger to identify whether the battery pack 101 is connected to the charger.
When the charger is subjected to aging test, a tester firstly inserts the battery pack 101 into a charging interface of the charger, a charging management chip in the charger identifies whether the battery pack 101 is connected to the charger through an SMBUS communication port, if so, the identification result is sent to the controller 104, the controller 104 controls the first controllable switch K1 to be in a closed state and controls the second controllable switch K2 to be in an open state when determining that the battery pack 101 is connected to the charger according to the identification result, at the moment, the battery pack 101 and a voltage output end of the charger form a passage, and the charger starts to charge the battery pack 101. After delaying the first preset time or detecting the charging current of the charger, the controller 104 controls the first controllable switch K1 to be in an off state and controls the second controllable switch K2 to be in an on state, at this time, the power resistor 102 and the voltage output end of the charger form a path, and the charger stops charging the battery pack 101 and turns to discharge the power resistor 102.
From this, when testing the charger aging, through controlling first controllable switch and second controllable switch can realize beginning to outwards output the electric energy at the charger, utilize the charger to charge to the battery package to make the charger can outwards output the electric energy, and later switch to power resistor and discharge, thereby need not to charge repeatedly to the battery package, greatly reduced the ageing speed of battery package, need not artificial intervention simultaneously, avoided the manpower extravagant.
In some embodiments, the switching circuit 103 includes a third controllable switch, a first terminal of the third controllable switch is connected to the first voltage output terminal of the charger, a second terminal of the third controllable switch is connected to the second voltage output terminal of the charger through the battery pack 101, a third terminal of the third controllable switch is connected to the second voltage output terminal of the charger through the power resistor 102, and a control terminal of the third controllable switch is connected to the controller 104.
Further, referring to fig. 3, the third controllable switch may include a relay K and a switch Q, wherein a first end of the switch of the relay K is connected to the first voltage output end of the charger, a second end of the switch of the relay K is connected to the second voltage output end of the charger through a battery pack 101, a third end of the switch of the relay K is connected to the second voltage output end of the charger through a power resistor 102, and one end of a coil of the relay K is connected to the negative electrode of the power supply of the charger. The first end of the switching tube Q is connected to the other end of the coil of the relay K, the second end of the switching tube Q is connected to the positive electrode of the power supply of the charger, and the control end of the switching tube Q is connected to the controller 104.
Specifically, referring to fig. 3, the switching circuit 103 may include a third controllable switch composed of a relay K and a switching tube Q. The first end of the switch of the relay K is connected to a first voltage output end (namely, an output anode) of the charger, the second end of the switch of the relay K is connected with an anode of the battery pack 101, a cathode of the battery pack 101 is connected to a second voltage output end (namely, an output cathode) of the charger, the third end of the switch of the relay K is connected with one end of the power resistor 102, the other end of the power resistor 102 is connected to the second voltage output end of the charger, one end of the coil of the relay K is connected to a power negative electrode (for example, -12V inside the charger), the other end of the coil of the relay K is connected with the first end of the switching tube Q, and the second end of the switching tube Q is connected to a power positive electrode (for example, +12V inside the charger) of the charger. The controller 104 is connected to the control end of the switch tube Q, and the controller 104 may be an original control chip in the charger and may output a control signal to the switch tube Q through a control signal port on the charger to control the switch tube Q. In addition, the charging management chip inside the charger can communicate with the battery pack 101 through the SMBUS communication port on the charger to identify whether the battery pack 101 is connected to the charger.
When carrying out aging testing to the charger, the tester inserts the interface that charges of charger with battery package 101 earlier, the inside management chip that charges of charger will have battery package 101 to be connected to the charger through SMBUS communication port discernment, if, then send the identification result to controller 104, controller 104 is when being connected with battery package 101 according to the identification result on confirming the charger, control switch pipe Q is in the on-state, relay K's coil is electrified this moment, relay K's switch's first end and second end link to each other, battery package 101 forms the route with the voltage output end of charger, the charger begins to charge for battery package 101. After delaying the first preset time or detecting the charging current of the charger, the controller 104 controls the switching tube Q to be in a disconnected state, at this time, the coil of the relay K loses power, the first end of the switch of the relay K is connected with the third end, the power resistor 102 and the voltage output end of the charger form a passage, and the charger stops charging the battery pack 101 and turns to discharge the power resistor 102.
From this, when testing charger aging, can realize through the control switch pipe in order to control the relay when the charger begins outside output electric energy, utilize the charger to charge to the battery package to make the charger can outside output electric energy, and later switch to power resistor and discharge, thereby need not to charge repeatedly the battery package, greatly reduced the ageing speed of battery package, need not artificial intervention simultaneously, avoided the manpower extravagant.
In some embodiments, the controller 104, in controlling the charger to discharge through the power resistor 102 for burn-in testing, is further configured to: and acquiring the discharging time, and controlling the charger to stop working when the discharging time reaches a second preset time.
Specifically, when the aging test is performed on the charger, after it is determined that the battery pack 101 is connected to the charger, the controller 104 controls the charger to output current to charge the battery pack 101, after a first preset time is delayed or the charging current is detected, the controller 104 controls the charger to output current to the power resistor 102, the battery pack is discharged outwards through the power resistor 102, meanwhile, the controller 104 records the discharging time and compares the discharging time with a second preset time, when the discharging time reaches the second preset time, the controller 104 controls the charger to stop working, and thus, one-time outwards output electric energy of the charger, namely one-time discharging, is completed. The second preset time may be calibrated according to an actual situation, and may be, for example, 2h, which is not limited herein.
Further, the controller 104, when controlling the charger to discharge through the power resistor 102 for the burn-in test, is further configured to: and acquiring the discharge times, delaying for a third preset time when the discharge times do not reach the preset times, and acquiring the connection state of the battery pack on the charger again to perform next aging test until the discharge times reach the preset times.
Specifically, when the aging test is performed on the charger, after the battery pack 101 is determined to be connected to the charger, the controller 104 controls the charger to output current to charge the battery pack 101, after a first preset time is delayed or the charging current is detected, the controller 104 controls the charger to output current to the power resistor 102, the battery pack is discharged outwards through the power resistor 102, meanwhile, the controller 104 records the discharging time and compares the discharging time with a second preset time, when the discharging time reaches the second preset time, the controller 104 controls the charger to stop working, so that one-time outwards output electric energy of the charger, namely one-time discharging, is completed, the discharging times are recorded, and whether the discharging times reach the preset times is judged. If not, delaying for a third preset time, re-determining whether the battery pack 101 is connected to the charger, if so, performing secondary discharge again by the controller 104 according to the steps, recording the discharge frequency after the secondary discharge is finished, judging whether the discharge frequency reaches the preset frequency, otherwise, delaying for the third preset time, re-determining whether the battery pack 101 is connected to the charger, repeating the steps until the discharge frequency reaches the preset frequency, and finishing the aging test. The preset times and the third preset time may be calibrated according to actual conditions, for example, the third preset time may be 30min, and the preset times may be 50 times, which is not limited herein.
In some embodiments, the controller 104, in controlling the charger to discharge through the power resistor 102 for burn-in testing, is further configured to: acquiring the electric quantity information of the battery pack 101, and reminding the replacement of the battery pack 101 when the battery pack 101 needs to be replaced according to the electric quantity information. It is understood that although the battery pack 101 is charged for a short time and the amount of charge per time is small, the battery pack 101 may be fully charged, so the controller 104 may obtain the power information of the battery pack 101 and remind the user to replace the battery pack 101 when it is determined that the battery pack 101 needs to be replaced according to the power information, i.e. when the battery pack 101 is fully charged. In the specific example shown in fig. 2 or fig. 3, the charging management chip may obtain the information of the electric quantity of the battery pack 101 through the SMBUS communication port, and send the information to the controller 104 for judgment and reminding.
In summary, according to the aging test device for the charger in the embodiment of the invention, the controller controls the switching circuit to switch between the battery pack and the power circuit, so as to perform the charging and discharging aging test on the battery pack without manual intervention or repeated charging on the battery pack, thereby reducing the aging rate of the battery pack, realizing the test without damaging the structure of the charger, and being suitable for batch tests of the charger.
In some embodiments, embodiments of the present invention further provide a method for testing aging of a charger, which is shown in fig. 4 and may include the following steps:
step S201, obtaining the connection state of the battery pack on the charger.
And step S203, controlling the charger to charge the battery pack when the battery pack is connected to the charger.
Step S205, after delaying a first preset time or detecting a charging current of the charger, controlling the charger to discharge through the power resistor to perform an aging test.
In some embodiments, controlling the charger to discharge through the power resistor for burn-in testing includes: obtaining the discharge time; and if the discharging time reaches the second preset time, controlling the charger to stop working.
In some embodiments, controlling the charger to discharge through the power resistor for burn-in testing further comprises: acquiring the discharge times; if the discharging times do not reach the preset times, after delaying for a third preset time, returning to the step of obtaining the connection state of the battery pack on the charger until the discharging times reach the preset times.
In some embodiments, the charger aging test method further comprises: acquiring electric quantity information of a battery pack; if the battery pack needs to be replaced according to the electric quantity information, battery pack replacement reminding is carried out.
It should be noted that, for the description of the aging test method for the charger in the present application, please refer to the description of the aging test apparatus for the charger in the present application, and details are not repeated herein.
According to the aging test method of the charger, the connection state of the battery pack on the charger is obtained, when the battery pack is connected to the charger, the charger is controlled to charge the battery pack, and after first preset time is delayed or charging current of the charger is detected, the charger is controlled to discharge through the power resistor to perform aging test. Therefore, when the charger starts to output electric energy outwards, the charger is used for charging the battery pack, so that the charger can output the electric energy outwards, and then the power resistor is switched to discharge, so that the battery pack does not need to be charged repeatedly, the aging speed of the battery pack is greatly reduced, manual intervention is not needed, and manpower waste is avoided.
In some embodiments, the embodiments of the present invention further provide a computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements the steps of the charger aging test method as described above.
According to the computer-readable storage medium of the embodiment, by the charger aging test method, the battery pack is charged by the charger only when the charger starts to output electric energy outwards, so that the charger can output the electric energy outwards, and then the power resistor is switched to discharge, so that the battery pack does not need to be charged repeatedly, the aging speed of the battery pack is greatly reduced, manual intervention is not needed, and manpower waste is avoided.
In some embodiments, the embodiments of the present invention further provide a charger, including a memory and a processor, where the memory stores a computer program, and the processor executes the computer program to implement the steps of the charger aging method as described above.
According to the charger of the embodiment, through the aging test method of the charger, the battery pack is charged by the charger only when the charger starts to output electric energy outwards, so that the charger can output the electric energy outwards, and then the battery pack is switched to the power resistor for discharging, so that the battery pack does not need to be charged repeatedly, the aging speed of the battery pack is greatly reduced, meanwhile, manual intervention is not needed, and manpower waste is avoided.
It should be noted that the logic and/or steps represented in the flowcharts or otherwise described herein, such as an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following technologies, which are well known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the description of the specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (13)
1. A charger aging test device is characterized by comprising: the device comprises a battery pack, a power resistor, a switching circuit and a controller, wherein the switching circuit is connected with the battery pack and the voltage output end of a charger, the controller is used for acquiring the connection state of the battery pack on the charger, and controlling the switching circuit to enable the battery pack to be communicated with the voltage output end of the charger and control the charger to charge the battery pack when the charger is determined to be connected with the battery pack, and controlling the switching circuit to enable the power resistor to be communicated with the voltage output end of the charger and control the charger to discharge through the power resistor to carry out aging test after the charger delays for a first preset time or detects the charging current of the charger.
2. The charger burn-in test apparatus as claimed in claim 1, wherein said switching circuit comprises: a first controllable switch and a second controllable switch, wherein,
the first end of the first controllable switch is connected to a first voltage output end of the charger, the second end of the first controllable switch is connected to a second voltage output end of the charger through the battery pack, and the control end of the first controllable switch is connected to the controller;
the first end of the second controllable switch is connected to the first voltage output end of the charger, the second end of the second controllable switch is connected to the second voltage output end of the charger through the power resistor, and the control end of the second controllable switch is connected to the controller.
3. The charger burn-in test apparatus of claim 1, wherein said switching circuit comprises: a first end of the third controllable switch is connected to the first voltage output end of the charger, a second end of the third controllable switch is connected to the second voltage output end of the charger through the battery pack, a third end of the third controllable switch is connected to the second voltage output end of the charger through the power resistor, and a control end of the third controllable switch is connected to the controller.
4. The charger degradation testing device of claim 3, wherein the third controllable switch comprises: a relay and a switching tube, wherein,
a first end of a switch of the relay is connected to a first voltage output end of the charger, a second end of the switch of the relay is connected to a second voltage output end of the charger through the battery pack, a third end of the switch of the relay is connected to the second voltage output end of the charger through the power resistor, and one end of a coil of the relay is connected to a negative electrode of a power supply of the charger;
the first end of the switch tube is connected to the other end of the coil of the relay, the second end of the switch tube is connected to the power supply anode of the charger, and the control end of the switch tube is connected to the controller.
5. The charger burn-in test apparatus as claimed in any one of claims 1 to 4, wherein the controller, when controlling the charger to discharge through the power resistor for the burn-in test, is further configured to: and acquiring the discharge time, and controlling the charger to stop working when the discharge time reaches a second preset time.
6. The charger burn-in test apparatus as claimed in claim 5, wherein the controller, when controlling the charger to discharge through the power resistor for the burn-in test, is further configured to: and acquiring the discharge frequency, and after delaying for a third preset time when the discharge frequency does not reach the preset frequency, re-acquiring the connection state of the battery pack on the charger to carry out the next aging test until the discharge frequency reaches the preset frequency.
7. The charger burn-in test apparatus as recited in claim 5, wherein said controller, when controlling said charger to discharge through said power resistor for burn-in testing, is further configured to: and acquiring the electric quantity information of the battery pack, and reminding battery pack replacement when the battery pack needs to be replaced according to the electric quantity information.
8. A charger aging test method is characterized by comprising the following steps:
acquiring the connection state of a battery pack on a charger;
when the battery pack is determined to be connected to the charger, controlling the charger to charge the battery pack;
and after delaying the first preset time or detecting the charging current of the charger, controlling the charger to discharge through a power resistor to perform an aging test.
9. The method of claim 8, wherein the controlling the charger to discharge through a power resistor for burn-in testing comprises:
obtaining the discharge time;
and if the discharging time reaches a second preset time, controlling the charger to stop working.
10. The method of claim 9, wherein the controlling the charger to discharge through a power resistor for burn-in testing further comprises:
acquiring the discharge times;
and if the discharge frequency does not reach the preset frequency, after delaying for a third preset time, returning to the step of acquiring the connection state of the battery pack on the charger until the discharge frequency reaches the preset frequency.
11. The charger aging test method according to any one of claims 8 to 10, further comprising:
acquiring the electric quantity information of the battery pack;
and if the battery pack is determined to be required to be replaced according to the electric quantity information, reminding of battery pack replacement is carried out.
12. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the charger burn-in test method of any one of claims 8 to 11.
13. A charger comprising a memory and a processor, the memory storing a computer program, wherein the processor when executing the computer program performs the steps of the charger aging method of any one of claims 8 to 11.
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| CN202110819328.6A CN115639416A (en) | 2021-07-20 | 2021-07-20 | Charger aging test device and method, charger and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110819328.6A CN115639416A (en) | 2021-07-20 | 2021-07-20 | Charger aging test device and method, charger and storage medium |
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| CN202110819328.6A Pending CN115639416A (en) | 2021-07-20 | 2021-07-20 | Charger aging test device and method, charger and storage medium |
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