CN202940603U - Charging device and charging calibration system - Google Patents
Charging device and charging calibration system Download PDFInfo
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- CN202940603U CN202940603U CN 201220514992 CN201220514992U CN202940603U CN 202940603 U CN202940603 U CN 202940603U CN 201220514992 CN201220514992 CN 201220514992 CN 201220514992 U CN201220514992 U CN 201220514992U CN 202940603 U CN202940603 U CN 202940603U
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Abstract
The embodiment of the utility model discloses a charging device and a charging calibration system. The charging device comprises a power conversion module, a switching module, a detection module which detects a current electrical parameter of a rechargeable battery when the switching module is connected to the rechargeable battery, a storage module which is connected to the detection module and is stored with a reference electrical parameter, and a control module which is connected with the storage module, the switching module and the power conversion module and controls the power conversion module to carry out the switching of a charging mode or disconnects the switching module when the current electrical parameter reaches the reference electrical parameter. According to the charging device and the charging calibration system of the utility model, through employing technological means of the detection module capable of detecting the reference electrical parameter of a reference module and the current electrical parameter of the rechargeable battery and the control module which carries out timely controlling to switch the charging mode or disconnect the switching module, thus high precision voltage or current detection can be realized with low precision components, and the technical effects of reducing an error and reducing the cost are achieved.
Description
Technical field
The utility model relates to the charging technique field, relates in particular to a kind of charging device and charging check system.
Background technology
At present, lithium battery is widely applied, and voltage or current precision require unusual height when using charging device that lithium battery is charged, lithium battery better carries out trickle charge when for example will reach an accurate magnitude of voltage, at this moment, just need to consist of testing circuit with the sufficiently high element of precision, and require also high to the fabric swatch of PCB, such as strict electromagnetic interference performance, component error etc., cause thus the cost of charging device higher.
The utility model content
The utility model embodiment technical problem to be solved is, provides a kind of element with lower accuracy to realize high-precision voltage or current detecting, charging device with low cost and charging check system.
In order to solve the problems of the technologies described above, the utility model embodiment has proposed a kind of charging device, comprise the power conversion module that is used to the external charging battery that the charging power of multiple charge mode is provided, be connected in power conversion module and be used for disconnecting or the switch module of the described charging power of conducting, described charging device also comprises:
Detect the detection module of the current electrical quantity of rechargeable battery when being connected in described rechargeable battery;
Be connected in detection module and store the memory module of electric value; And
Be connected in memory module, switch module and power conversion module, control power conversion module when described current electrical quantity reaches described electric value and carry out the switching of charge mode or the control module of cut-off switch module.
Further, described detection module comprises voltage detecting circuit, and described voltage detecting circuit is provided with divider resistance or discharge circuit.
Further, described detection module comprises current detection circuit, and described current detection circuit is provided with the resistance of amplifier device and predetermined resistance.
Further, the resistance that arranges in described current detection circuit is current sampling resistor.
Further, described current sampling resistor is manganese-copper filament resistance.
Further, described switch module is relay or field-effect transistor.
Further, described memory module is flash memory or erasable and programable memory.
Further, described memory module and described control module are integrated in a microprocessor.
In addition, the utility model embodiment also provides a kind of charging check system, and described charging check system comprises charging device as above, and is used for being connected in switch module so that the base modules of charging with electric value to be provided; Wherein, the electric value of detection reference module when detection module is connected in base modules, memory module is connected in detection module and stores the electric value that detection module detects.
the charging device of the utility model embodiment and charging check system beneficial effect are: the electric value of detection reference module when being connected in base modules by employing, and detect the detection module of the current electrical quantity of rechargeable battery when being connected in rechargeable battery, store the memory module of the electric value that detection module detects, and current electrical quantity is controlled the technological means that power conversion module carries out the control module of the switching of charge mode or cut-off switch module when reaching described electric value, thereby, charging device and charging check system can be realized high-precision voltage or current detecting with the element of lower accuracy, reach the technique effect that reduces error and reduce costs.
Description of drawings
Fig. 1 is the structured flowchart of the charging check system of the utility model embodiment.
Embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the application can mutually combine, and below in conjunction with the drawings and specific embodiments, the utility model are described in further detail.
Please refer to Fig. 1, the utility model embodiment provides a kind of charging check system and charging device, and described charging device comprises power conversion module 10, switch module 20, detection module 30, memory module 40 and control module 50.
Detect the current electrical quantity of rechargeable battery when detection module 30 is used for being connected in described rechargeable battery, described current electrical quantity is at least a in voltage and current.Particularly, described detection module 30 comprises one or both in voltage detecting circuit, current detection circuit, and wherein, described voltage detecting circuit is provided with divider resistance or discharge circuit; Described current detection circuit is provided with the resistance of amplifier device and predetermined resistance, and described resistance can be selected manganese-copper filament or current sampling resistor.Particularly, current detection circuit can measure the voltage on described resistance or manganese-copper filament when detecting, and calculates electric current according to Ohm's law, then carries out the amplification of signal by the amplifier device.
Described charging check system comprises described charging device and is used for being connected in switch module 20 so that the base modules 60 of charging with electric value to be provided; Wherein, base modules 60 is constant-current source or constant pressure source, and when detection module 30 is connected in base modules 60, also for detection of the electric value of base modules 60, memory module 40 is connected in detection module 30 and stores the electric value that detection module 30 detects.
the below illustrates the course of work of the present utility model, in one embodiment, the checking procedure of charging check system is: at first choose a base modules 60, base modules 60 is constant pressure source, its magnitude of voltage is 4.20V, when when its corresponding meaning is charging, rechargeable battery reaches this magnitude of voltage, charge mode needs to switch to trickle charge by large current charge, then, base modules 60 is connected in charging device, suppose that there is error in detection module 30, the magnitude of voltage of base modules 60 is detected to obtain electric value be 4.25V, memory module 40 these electric values of storage.
the charging process of charging device is: the external charging battery is connected to charging device, switch module 20 conducting under the control of control module 50, detection module 30 detects the current voltage of rechargeable battery in real time, control module 50 compares electric value 4.25V and the current voltage of storage, current voltage during less than 4.25V control module 50 power ratio control modular converters 10 power with the large current charge pattern, current voltage is during more than or equal to 4.25V, in fact rechargeable battery has reached the 4.20V that need carry out trickle charge, at this moment, control module 50 power ratio control modular converters 10 switch to the power supply of trickle charge pattern, thereby, the charging device of the utility model embodiment and charging check system are by described detection module 30, memory module 40 and control module 50, just can realize with the hardware setting of lower accuracy high-precision voltage or current detecting, reach the technique effect that reduces costs.
Although illustrated and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that in the situation that do not break away from principle of the present utility model and spirit can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claims and equivalency range thereof.
Claims (9)
1. charging device, comprise the power conversion module that is used to the external charging battery that the charging power of multiple charge mode is provided, be connected in power conversion module and be used for disconnecting or the switch module of the described charging power of conducting, it is characterized in that, described charging device also comprises:
Detect the detection module of the current electrical quantity of rechargeable battery when being connected in described rechargeable battery;
Be connected in detection module and store the memory module of electric value; And
Be connected in memory module, switch module and power conversion module, control power conversion module when described current electrical quantity reaches described electric value and carry out the switching of charge mode or the control module of cut-off switch module.
2. charging device as claimed in claim 1, is characterized in that, described detection module comprises voltage detecting circuit, and described voltage detecting circuit is provided with divider resistance or discharge circuit.
3. charging device as claimed in claim 1 or 2, is characterized in that, described detection module comprises current detection circuit, and described current detection circuit is provided with the resistance of amplifier device and predetermined resistance.
4. charging device as claimed in claim 3, is characterized in that, the resistance that arranges in described current detection circuit is current sampling resistor.
5. charging device as claimed in claim 4, is characterized in that, described current sampling resistor is manganese-copper filament resistance.
6. charging device as claimed in claim 1, is characterized in that, described switch module is relay or field-effect transistor.
7. charging device as claimed in claim 1, is characterized in that, described memory module is flash memory or erasable and programable memory.
8. charging device as claimed in claim 1, is characterized in that, described memory module and described control module are integrated in a microprocessor.
9. a charging check system, is characterized in that, described charging check system comprises charging device as claimed in claim 1, and be used for being connected in switch module so that the base modules of charging with electric value to be provided; Wherein, the electric value of detection reference module when detection module is connected in base modules, memory module is connected in detection module and stores the electric value that detection module detects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220514992 CN202940603U (en) | 2012-09-29 | 2012-09-29 | Charging device and charging calibration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220514992 CN202940603U (en) | 2012-09-29 | 2012-09-29 | Charging device and charging calibration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202940603U true CN202940603U (en) | 2013-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220514992 Expired - Lifetime CN202940603U (en) | 2012-09-29 | 2012-09-29 | Charging device and charging calibration system |
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| CN (1) | CN202940603U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106959418A (en) * | 2016-01-11 | 2017-07-18 | 上海电气集团股份有限公司 | Test system and method for testing based on energy storage PCS |
-
2012
- 2012-09-29 CN CN 201220514992 patent/CN202940603U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106959418A (en) * | 2016-01-11 | 2017-07-18 | 上海电气集团股份有限公司 | Test system and method for testing based on energy storage PCS |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Hongkong China Tsuen Wan Chai Wan Kok Street No. 35-45 Yufeng Arts crafts emporium, 7 floor room 6B Patentee after: Leitong Technology Development Co.,Ltd. Address before: 518000 Shenzhen City, Baoan Province, the first floor of the comprehensive building of the gold zone, the 34 floor, building 5 Patentee before: Leitong Technology Development Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20170210 Address after: The United Kingdom of Great Britain and Northern Ireland United Nations Northern Ireland 8 District Cardiff CF15 Reed Joyce Ge Road No. 29 Patentee after: Martin Morgan Vennard Address before: Hongkong China Tsuen Wan Chai Wan Kok Street No. 35-45 Yufeng Arts crafts emporium, 7 floor room 6B Patentee before: Leitong Technology Development Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130515 |
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| CX01 | Expiry of patent term |