CN201893544U - Protecting device of charging device - Google Patents
Protecting device of charging device Download PDFInfo
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- CN201893544U CN201893544U CN2010206276436U CN201020627643U CN201893544U CN 201893544 U CN201893544 U CN 201893544U CN 2010206276436 U CN2010206276436 U CN 2010206276436U CN 201020627643 U CN201020627643 U CN 201020627643U CN 201893544 U CN201893544 U CN 201893544U
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Abstract
The utility model relates to a protecting device of a charging device, which comprises a software protecting module and a hardware protecting module, wherein the software protecting module comprises an input current detecting unit, an input voltage detecting unit and a controller for controlling a switch on an input end to work according to the received input current or the received input voltage, the hardware protecting module comprises an output voltage detecting unit, an output current detecting unit, a voltage comparator and a current comparator, wherein the output voltage detecting unit is electrically connected with the voltage comparator, the output current detecting unit is electrically connected with the current comparator, and both output ends of the voltage and the current comparators are electrically connected with a switch on the output end. Since the protecting device of the charging device is provided with the software and the hardware protecting modules, not only is protection on the hardware aspect provided, but also the protection on the software aspect is provided; and moreover, both the software and the hardware protecting modules can detect and protect the current and voltage signals, so the protection function of the protecting device is better and more comprehensive.
Description
Technical field
The utility model relates to a kind of protective device of charging device.
Background technology
The charging device of electric automobile vehicle mounted dynamic battery etc. itself has basic protective capability; charging voltage appears in charging process; during the charging current abnormal failure; the defencive function of charging device itself can be by simple contactor operation control; thereby cut off whole charge circuit; ensure the fail safe of charging device and car load; the block diagram of charging device as shown in Figure 1; charging device and three-phase alternating current electric wire A; B; the C end is to be connected with A.C. contactor between the input; the dc output end of charging device is connected with D.C. contactor; work as charging voltage; when charging current was unusual, promptly may command A.C. contactor or D.C. contactor disconnected.
When the charging device control system breaks down as the components and parts inefficacy of charging device own, fault, CAN communication failure etc.; this basic defencive function may lose efficacy; can can't in time cut off the contactor in input and output loop, this has just brought certain potential safety hazard to charging device.In addition, at present general charge protection module can't be monitored and indicate the temperature of charging device inside key point, humidity, smog, arc light etc., and wherein key point is meant the place that relevant parameter changes easily, as detecting the temperature at transformer place.
Summary of the invention
The utility model provides a kind of defencive function protective device of charging device preferably for solving the relatively poor technical problem of the own defencive function of charging device in the prior art.
A kind of protective device of charging device; be connected with input end switch between described charging device and the alternating current input; the dc output end of charging device is connected with the output switch; wherein; described protective device comprises software protection module and hardware protection module; described software protection module comprises the input current detecting unit; the input voltage that input current that input voltage detecting unit and being used for detects according to described input current detecting unit or input voltage detecting unit detect is controlled the controller of described input end switch work; described input current detecting unit; input end switch and input voltage detecting unit are electrically connected with described controller respectively; described hardware protection module comprises the output voltage detecting unit; the output current detecting unit; voltage comparator and current comparator; described output voltage detecting unit and voltage comparator are electrically connected; described output current detecting unit and current comparator are electrically connected, and the output of described voltage comparator and current comparator all is electrically connected with described output switch.
Further, described software protection module also comprises temperature detecting unit and the Humidity Detection unit that is electrically connected with described controller respectively.
Described software protection module also comprises arc light detecting unit and the Smoke Detection unit that is electrically connected with described controller respectively.
Described output voltage detecting unit and output current detecting unit also are electrically connected with described controller respectively.
The output of described voltage comparator and current comparator also is electrically connected with described controller respectively.
Described protective device also comprises the data memory module of the operation information that is used to store described protective device, and described data memory module is electrically connected with described controller.
Be connected with filter unit respectively between described input current detecting unit, input voltage detecting unit, temperature detecting unit, Humidity Detection unit, arc light detecting unit and Smoke Detection unit and the described controller.
Be connected with filter unit between described output voltage detecting unit and the voltage comparator, also be connected with filter unit between output current detecting unit and the current comparator.
Described protective device also comprises and is used to monitor described software protection module and hardware protection module and according to the monitoring module of monitor message control charging device work, described monitoring module is electrically connected with described controller and charging device respectively.
Described monitoring module comprises information processing controller, and described information processing controller is electrically connected with the controller and the charging device of described software protection module respectively, and described monitor message comprises cell failure information, fault information and communication failure information.
The protective device of charging device of the present utility model is provided with software protection module and hardware protection module; the protection of hardware aspect both was provided; the protection of software aspect is provided again; and the both can detect and provide protection to electric current and voltage signal; so the protective device defencive function of charging device of the present utility model better more comprehensively.In addition, the protective device of charging device of the present utility model also provides the detection and the protection of temperature, humidity, arc light and smog; The data memory module that is provided with can the storage protection device operation information, the data analysis that helps the later stage is handled; The monitoring module that is provided with can the monitoring software protection module and the operation of hardware protection module, thereby has further improved the defencive function of this protective device.
Description of drawings
Fig. 1 is the block diagram of the charging device that provides of prior art;
Fig. 2 is the schematic diagram of the protective device of the charging device that provides of the utility model;
Fig. 3 is the software protection module among Fig. 2 and the schematic diagram of hardware protection module.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
According to a kind of execution mode of the present utility model; shown in Fig. 2-3; a kind of protective device of charging device; be connected with input end switch between charging device and the alternating current input; the dc output end of charging device is connected with the output switch; wherein; this protective device comprises software protection module and hardware protection module; the software protection module comprises the input current detecting unit; the controller of the input voltage control input end switch work that input current that input voltage detecting unit and being used for detects according to the input current detecting unit or input voltage detecting unit detect; the input current detecting unit; input end switch and input voltage detecting unit are electrically connected with controller respectively; the hardware protection module comprises the output voltage detecting unit; the output current detecting unit; voltage comparator and current comparator; output voltage detecting unit and voltage comparator are electrically connected; output current detecting unit and current comparator are electrically connected, and the output of voltage comparator and current comparator all is electrically connected with the output switch.
In order to carry out the protection of temperature protection and humidity; further; this software protection module also comprises temperature detecting unit and Humidity Detection unit, and controller also is used for the humidity control input end switch work according to the temperature of temperature detecting unit detection or the detection of Humidity Detection unit.
In order to carry out the protection of arc protection and smog; further; the software protection module also comprises arc light detecting unit and Smoke Detection unit, and controller also is used for the smog control input end switch work according to the arc light of arc light detecting unit detection or the detection of Smoke Detection unit.
Output voltage detecting unit and output current detecting unit also are electrically connected with controller respectively.
The output of voltage comparator and current comparator also is electrically connected with controller respectively.
So that the data analysis in later stage work of treatment, further, protective device also comprises data memory module for the operation information of record protection device, and data memory module is electrically connected with controller, and data memory module is used for the operation information of storage protection device.
In order to improve the precision of detection signal, further, be connected with filter unit respectively between input current detecting unit, input voltage detecting unit, temperature detecting unit, Humidity Detection unit, arc light detecting unit and Smoke Detection unit and the controller.
Similarly, be connected with filter unit between output voltage detecting unit and the voltage comparator, also be connected with filter unit between output current detecting unit and the current comparator.
In order further to improve the defencive function of this protective device; this protective device also comprises monitoring module; monitoring module is electrically connected with controller and charging device respectively, and monitoring module is used for monitoring software protection module and hardware protection module and according to the work of monitor message control charging device.
Further, monitoring module comprises information processing controller, and information processing controller is electrically connected with the controller and the charging device of software protection module respectively, and monitor message comprises cell failure information, fault information and communication failure information.
Input current detecting unit, input voltage detecting unit, temperature detecting unit, Humidity Detection unit, arc light detecting unit, Smoke Detection unit, output voltage detecting unit and output current detecting unit can adopt various suitable electric elements to detect, as can right sensors, testing circuit or detection chip etc.
For example input current detecting unit and input voltage detecting unit can be Hall current sensor and Hall voltage transducer.
Filter unit can be various suitable filters, filter circuit or filtering device.
Current comparator and voltage comparator can be various suitable comparators, and wherein the Vref among Fig. 3 is predefined reference value.
Controller and information processing controller can be various suitable data processing unit, as being single-chip microcomputer or data processing chip etc.
Input end switch and output switch can be various suitable switching devices, and for the ease of control, preferably, input end switch and output switch can be contactor.
Monitoring module comprises information processing controller, and when protective device broke down, in order to continue to play a protective role, preferably, monitoring module can also comprise part or all of above-mentioned software detection module and hardware detecting module.
The information that monitoring module detects comprises fault message, fault information and the communication failure information of each unit, and wherein communication failure information can be the communication failure information between controller and the information processing controller.
When the detected input current of controller, input voltage, temperature, humidity, arc light or smoke signal occur when unusual, controller disconnects with regard to the control input end switch.
When the output results abnormity of current comparator or voltage comparator, the output switch can disconnect.
When breaking down, in time keep in repair in order to remind the related personnel, this protective device can also comprise alarm unit, this alarm unit can be indicator light or buzzer.
The protective device of charging device of the present utility model is provided with software protection module and hardware protection module; the protection of hardware aspect both was provided; the protection of software aspect is provided again; and the both can detect and provide protection to electric current and voltage signal; so the protective device defencive function of charging device of the present utility model better more comprehensively.In addition, the protective device of charging device of the present utility model also provides the detection and the protection of temperature, humidity, arc light and smog; The data memory module that is provided with can the storage protection device operation information, the data analysis that helps the later stage is handled; The monitoring module that is provided with can the monitoring software protection module and the operation of hardware protection module, thereby has further improved the defencive function of this protective device.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. the protective device of a charging device; be connected with input end switch between described charging device and the alternating current input; the dc output end of charging device is connected with the output switch; it is characterized in that; described protective device comprises software protection module and hardware protection module; described software protection module comprises the input current detecting unit; the input voltage that input current that input voltage detecting unit and being used for detects according to described input current detecting unit or input voltage detecting unit detect is controlled the controller of described input end switch work; described input current detecting unit; input end switch and input voltage detecting unit are electrically connected with described controller respectively; described hardware protection module comprises the output voltage detecting unit; the output current detecting unit; voltage comparator and current comparator; described output voltage detecting unit and voltage comparator are electrically connected; described output current detecting unit and current comparator are electrically connected, and the output of described voltage comparator and current comparator all is electrically connected with described output switch.
2. protective device as claimed in claim 1 is characterized in that, described software protection module also comprises temperature detecting unit and the Humidity Detection unit that is electrically connected with described controller respectively.
3. protective device as claimed in claim 2 is characterized in that, described software protection module also comprises arc light detecting unit and the Smoke Detection unit that is electrically connected with described controller respectively.
4. protective device as claimed in claim 3 is characterized in that, described output voltage detecting unit and output current detecting unit also are electrically connected with described controller respectively.
5. protective device as claimed in claim 4 is characterized in that, the output of described voltage comparator and current comparator also is electrically connected with described controller respectively.
6. protective device as claimed in claim 5 is characterized in that, described protective device also comprises the data memory module of the operation information that is used to store described protective device, and described data memory module is electrically connected with described controller.
7. protective device as claimed in claim 3; it is characterized in that, be connected with filter unit respectively between described input current detecting unit, input voltage detecting unit, temperature detecting unit, Humidity Detection unit, arc light detecting unit and Smoke Detection unit and the described controller.
8. protective device as claimed in claim 1 is characterized in that, is connected with filter unit between described output voltage detecting unit and the voltage comparator, also is connected with filter unit between output current detecting unit and the current comparator.
9. protective device as claimed in claim 5; it is characterized in that; described protective device also comprises and is used to monitor described software protection module and hardware protection module and according to the monitoring module of monitor message control charging device work, described monitoring module is electrically connected with described controller and charging device respectively.
10. protective device as claimed in claim 9; it is characterized in that; described monitoring module comprises information processing controller; described information processing controller is electrically connected with the controller and the charging device of described software protection module respectively, and described monitor message comprises cell failure information, fault information and communication failure information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206276436U CN201893544U (en) | 2010-11-27 | 2010-11-27 | Protecting device of charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206276436U CN201893544U (en) | 2010-11-27 | 2010-11-27 | Protecting device of charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201893544U true CN201893544U (en) | 2011-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206276436U Expired - Lifetime CN201893544U (en) | 2010-11-27 | 2010-11-27 | Protecting device of charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201893544U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812091A (en) * | 2014-02-22 | 2014-05-21 | 中山市六源通电子科技有限公司 | Lithium battery pack protector |
| CN104701874A (en) * | 2015-03-27 | 2015-06-10 | 国家电网公司 | Charging machine for electric vehicle |
| CN109494838A (en) * | 2018-12-14 | 2019-03-19 | 常州格力博有限公司 | Charge output protection circuit and charging output protection method |
| CN114005823A (en) * | 2020-11-05 | 2022-02-01 | 珠海迈巨微电子有限责任公司 | Monitoring device, integrated circuit device, electronic apparatus, and battery protection system |
-
2010
- 2010-11-27 CN CN2010206276436U patent/CN201893544U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812091A (en) * | 2014-02-22 | 2014-05-21 | 中山市六源通电子科技有限公司 | Lithium battery pack protector |
| CN104701874A (en) * | 2015-03-27 | 2015-06-10 | 国家电网公司 | Charging machine for electric vehicle |
| CN104701874B (en) * | 2015-03-27 | 2018-06-01 | 国家电网公司 | For the charger of electric car |
| CN109494838A (en) * | 2018-12-14 | 2019-03-19 | 常州格力博有限公司 | Charge output protection circuit and charging output protection method |
| CN114005823A (en) * | 2020-11-05 | 2022-02-01 | 珠海迈巨微电子有限责任公司 | Monitoring device, integrated circuit device, electronic apparatus, and battery protection system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110706 |