CN204651952U - A kind of storage battery big current constant-current discharging device - Google Patents
A kind of storage battery big current constant-current discharging device Download PDFInfo
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- CN204651952U CN204651952U CN201520197701.9U CN201520197701U CN204651952U CN 204651952 U CN204651952 U CN 204651952U CN 201520197701 U CN201520197701 U CN 201520197701U CN 204651952 U CN204651952 U CN 204651952U
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- acquisition module
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- ptc thermistor
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Abstract
The utility model discloses a kind of storage battery big current constant-current discharging device, comprise input switch, information acquisition module, microprocessor, PTC thermistor and power model, described input switch is connected with storage battery, described input switch is connected with PTC thermistor and information acquisition module respectively, described information acquisition module is connected with microprocessor, and the first output of described microprocessor is by power model and then be connected with PTC thermistor.The utility model adopts PTC thermistor as the load of discharge equipment, and the conductive characteristic utilizing it good, resistance temperature variation characteristic realize constant-current discharge, and effectively improves security performance and useful life.And PTC thermistor has the resistance when temperature rises and becomes large characteristic, if the excessive temperature that causes of electric current rises, then because resistance increases thereupon, electric current can decline automatically, eliminates PTC thermistor temperature control and occurs that the situation of red heat or naked light occurs.The utility model can be widely used in accumulator testing.
Description
Technical field
The utility model relates to accumulator testing field, particularly relates to a kind of storage battery big current constant-current discharging device.
Background technology
Storage battery is as the back-up source of communication system, be realize stored energy, device that chemical energy is converted to electric energy, when outer electric fault causes power failure, storage battery ensures communication system uninterrupted power supply, guarantees that unimpeded unique of network is also one last defence line, its safe operation for the reliability of communication system and fail safe self-evident.
At present, the storage battery based on lead-acid battery is widely used in the important departments such as electric power, railway, bank, telecommunications, for the equipment such as protection, control, communication, computer provide uninterrupted DC power supply or provide ac uninterrupted power supply by UPS.The safety directly affecting above-mentioned uninterruptible power system useful life of storage battery and useful life, and regular charging and discharging is carried out to storage battery safeguard that the useful life to effectively improving storage battery has positive effect.
Traditional storage battery discharge equipment, adopt the material such as metal tape, resistive band as the dummy load of discharge equipment, complex process, easily there is red heat in discharge process, even produce the phenomenon such as naked light or electric spark, and natural life-span is short, poor stability, electric discharge starts moment, has instantaneous large-current impact phenomenon to storage battery.
Utility model content
In order to solve the problems of the technologies described above, the purpose of this utility model is to provide that a kind of security performance is good, precise hard_drawn tuhes, the storage battery big current constant-current discharging device in high useful life.
The technical scheme that the utility model adopts is:
A kind of storage battery big current constant-current discharging device, comprise input switch, information acquisition module, microprocessor, PTC thermistor and power model, described input switch is connected with storage battery, described input switch is connected with PTC thermistor and information acquisition module respectively, described information acquisition module is connected with microprocessor, and the first output of described microprocessor is by power model and then be connected with PTC thermistor.
As further improvement of the utility model, also comprise power driver module and fan, the second output of described microprocessor is by power driver module and then be connected with the input of fan.
As further improvement of the utility model, described information acquisition module comprises voltage acquisition module, current acquisition module and battery temperature acquisition module, described input switch is connected with voltage acquisition module, current acquisition module and battery temperature acquisition module respectively, and described voltage acquisition module, current acquisition module are all connected with microprocessor with battery temperature acquisition module.
As further improvement of the utility model, the 3rd output of described microprocessor is connected with display screen.
As further improvement of the utility model, the input of described microprocessor is connected with input keyboard.
The beneficial effects of the utility model are:
The utility model is by adopting PTC thermistor as the load of discharge equipment, and the conductive characteristic utilizing it good realizes big current constant-current discharge, and effectively improves security performance and the useful life of device.And PTC thermistor has the resistance when temperature rises and becomes large characteristic, if the excessive temperature that causes of electric current rises, then because resistance increases thereupon, electric current can decline automatically, eliminates PTC thermistor temperature control and occurs that the situation of red heat or naked light occurs.Further, the utility model is dispelled the heat to PTC thermistor by fan, effectively controls the temperature of PTC thermistor, makes the resistance of PTC be stabilized in certain balance point, thus reach the effect of constant-current discharge.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
Fig. 1 is the functional-block diagram of a kind of storage battery big current of the utility model constant-current discharging device.
Embodiment
With reference to figure 1, a kind of storage battery big current of the utility model constant-current discharging device, comprise input switch, information acquisition module, microprocessor, PTC thermistor and power model, described input switch is connected with storage battery, described input switch is connected with PTC thermistor and information acquisition module respectively, described information acquisition module is connected with microprocessor, and the first output of described microprocessor is by power model and then be connected with PTC thermistor.
Be further used as preferred embodiment, also comprise power driver module and fan, the second output of described microprocessor is by power driver module and then be connected with the input of fan.
Be further used as preferred embodiment, described information acquisition module comprises voltage acquisition module, current acquisition module and battery temperature acquisition module, described input switch is connected with voltage acquisition module, current acquisition module and battery temperature acquisition module respectively, and described voltage acquisition module, current acquisition module are all connected with microprocessor with battery temperature acquisition module.
Be further used as preferred embodiment, the 3rd output of described microprocessor is connected with display screen.
Be further used as preferred embodiment, the input of described microprocessor is connected with input keyboard.
PTC is a kind of ceramic resistor, have that volume is little, lightweight, natural life-span length, the incomparable advantage of the traditional electrical thermal element such as the flames of anger, security performance be good, the resistance of PTC and temperature have certain functional relation.When temperature is raised, its resistance also significantly raises, because the terminal voltage of storage battery is substantially invariable, then now will be declined by the electric current of PTC, avoids PTC temperature and continues to rise, even occur red heat or naked light.
The utility model can control the electric current flow through automatically when temperature rises by the resistance-temperature characteristic of PTC thermistor, and by fan, PTC thermistor is dispelled the heat further, the variations in temperature of PTC thermistor effectively can be reduced by this two ore control, thus improve the stability of its resistance value, reach the effect of constant-current discharge.
More than that better enforcement of the present utility model is illustrated, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent distortion or replacement are all included in the application's claim limited range.
Claims (5)
1. a storage battery big current constant-current discharging device, it is characterized in that: comprise input switch, information acquisition module, microprocessor, PTC thermistor and power model, described input switch is connected with storage battery, described input switch is connected with PTC thermistor and information acquisition module respectively, described information acquisition module is connected with microprocessor, and the first output of described microprocessor is by power model and then be connected with PTC thermistor.
2. a kind of storage battery big current constant-current discharging device according to claim 1, is characterized in that: also comprise power driver module and fan, and the second output of described microprocessor is by power driver module and then be connected with the input of fan.
3. a kind of storage battery big current constant-current discharging device according to claim 2, it is characterized in that: described information acquisition module comprises voltage acquisition module, current acquisition module and battery temperature acquisition module, described input switch is connected with voltage acquisition module, current acquisition module and battery temperature acquisition module respectively, and described voltage acquisition module, current acquisition module are all connected with microprocessor with battery temperature acquisition module.
4. a kind of storage battery big current constant-current discharging device according to claim 1, is characterized in that: the 3rd output of described microprocessor is connected with display screen.
5. a kind of storage battery big current constant-current discharging device according to claim 1, is characterized in that: the input of described microprocessor is connected with input keyboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520197701.9U CN204651952U (en) | 2015-04-02 | 2015-04-02 | A kind of storage battery big current constant-current discharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520197701.9U CN204651952U (en) | 2015-04-02 | 2015-04-02 | A kind of storage battery big current constant-current discharging device |
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| Publication Number | Publication Date |
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| CN204651952U true CN204651952U (en) | 2015-09-16 |
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| CN201520197701.9U Active CN204651952U (en) | 2015-04-02 | 2015-04-02 | A kind of storage battery big current constant-current discharging device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058335A (en) * | 2016-07-04 | 2016-10-26 | 北京嘉捷恒信能源技术有限责任公司 | Battery discharge device and battery discharge method |
| CN106992565A (en) * | 2017-04-19 | 2017-07-28 | 中国人民解放军第四三二八工厂 | A kind of Battery Constant Current Discharging Device |
| CN107951389A (en) * | 2017-12-26 | 2018-04-24 | 九阳股份有限公司 | A kind of food processor |
| CN111890987A (en) * | 2020-06-28 | 2020-11-06 | 易事特集团(河南)有限公司 | Active damping device, battery parallel management system and battery parallel management method |
-
2015
- 2015-04-02 CN CN201520197701.9U patent/CN204651952U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058335A (en) * | 2016-07-04 | 2016-10-26 | 北京嘉捷恒信能源技术有限责任公司 | Battery discharge device and battery discharge method |
| CN106992565A (en) * | 2017-04-19 | 2017-07-28 | 中国人民解放军第四三二八工厂 | A kind of Battery Constant Current Discharging Device |
| CN107951389A (en) * | 2017-12-26 | 2018-04-24 | 九阳股份有限公司 | A kind of food processor |
| CN111890987A (en) * | 2020-06-28 | 2020-11-06 | 易事特集团(河南)有限公司 | Active damping device, battery parallel management system and battery parallel management method |
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| C14 | Grant of patent or utility model | ||
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