CN203337768U - Voltage detection apparatus and blade electric vehicle - Google Patents
Voltage detection apparatus and blade electric vehicle Download PDFInfo
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- CN203337768U CN203337768U CN2013204729168U CN201320472916U CN203337768U CN 203337768 U CN203337768 U CN 203337768U CN 2013204729168 U CN2013204729168 U CN 2013204729168U CN 201320472916 U CN201320472916 U CN 201320472916U CN 203337768 U CN203337768 U CN 203337768U
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Abstract
The utility model provides a voltage detection apparatus and a blade electric vehicle. The voltage detection apparatus is applied to the blade electric vehicle which includes a power supply branch formed by a high-voltage distribution box, a fuse and a high-voltage part, and a voltage detection device connected at the common end of the fuse and the high-voltage part. The voltage detection device includes a voltage detection control circuit, a microcontroller, and an alarm, one end of the voltage detection control circuit is connected at the common end of the fuse and the high-voltage part, the other end of the voltage detection control circuit is connected with the microcontroller, and the other end of the microcontroller is connected with the alarm. When the voltage detection control circuit detects that the power supply branch, on which the fuse and the high voltage part are arranged, has no voltage, the voltage detection control circuit transmits a corresponding electric signal to the microcontroller and further the alarm gives an alarm. Therefore, the failed power supply branch can be quickly found by searching the alarm which gives an alarm, thereby reducing the time for failure search for operators.
Description
Technical field
The utility model relates to the detection technique field, more particularly, relates to a kind of voltage check device and pure electric automobile.
Background technology
Day by day exhausted at oil, environment goes from bad to worse, and automobile demand amount ever-increasing today, by electric energy, replaces oil to become the development trend of Future New Energy Source automobile as drive energy.Occur successively in the market weak mixed, in mixed, the degree of depth is mixed and the pure new-energy automobile such as electronic, wherein, pure electric automobile will not have engine, the high voltage component on car load will become driven by power, by high-tension distribution box, be powered.
The structural representation of pure electric automobile in prior art as shown in Figure 1 comprises: high-tension distribution box 01, fuse 02 and high voltage component 03, high-tension distribution box 01 provides power supply to high voltage component 03 by fuse 02, thereby forms a power supply branch road.When the power supply branch current is excessive, fuse 02 fusing, protection high voltage component 03 is not burnt, and now, high voltage component 03 quits work.
A plurality of high voltage components 03 are arranged in the inside of pure electric automobile, at high-tension distribution box 01, provide on the power supply branch road of power supply to each high voltage component 03, be provided with a fuse 02, do not burnt when the power supply branch current is excessive with protection high voltage component 03.When automobile in the process of moving, while occurring that abnormal conditions have fuse 02 to blow, because the power supply branch road of high-tension distribution box 01 is too many, can not judge any bar power supply branch road at once and break down, therefore, increased the required time of operating personnel's looking up the fault.
The utility model content
In view of this, the utility model provides a kind of voltage check device and pure electric automobile, and voltage check device can abnormal conditions occur at pure electric automobile, while causing fuse blows is arranged, fast finding is to the power supply branch road broken down, thus the minimizing required time of looking up the fault.
A kind of voltage check device comprises:
Input end is connected to the voltage detecting and controling circuit of the common port of fuse and high voltage component;
The microcontroller that input end is connected with the output terminal of described voltage detecting and controling circuit;
The alarm be connected with the output terminal of described microcontroller.
Preferably, described voltage detecting and controling circuit comprises:
Voltage comparator, the positive input terminal input of described voltage comparator has reference voltage, the negative input end of described voltage comparator is connected with the common port of described fuse and described high voltage component as the input end of described voltage detecting and controling circuit, and output terminal connects the input end of described microcontroller as the output terminal of described voltage detecting and controling circuit.
Preferably, described voltage detecting and controling circuit also comprises: the reference voltage source circuit, the output terminal of described reference voltage source circuit is connected with the positive input terminal of described voltage comparator.
Preferably, described alarm is pilot lamp, and the positive pole of described pilot lamp connects the output terminal of described microcontroller, and negative pole connects earth terminal.
A kind of pure electric automobile comprises: high-tension distribution box, fuse, high voltage component and the described voltage check device of claim 1-4 any one;
Described voltage check device comprises: voltage detecting and controling circuit, microcontroller and alarm;
An output terminal of described high-tension distribution box connects a described high voltage component by a described fuse;
The common port of each described fuse and described high voltage component, all connect a described voltage detecting and controling circuit.
From above-mentioned technical scheme, can find out, the utility model provides a kind of voltage check device and pure electric automobile, voltage check device is applied to pure electric automobile, pure electric automobile comprises the power supply branch road consisted of high-tension distribution box, fuse and high voltage component, and the voltage check device that is connected to the common port of fuse and high voltage component, voltage check device comprises: voltage detecting and controling circuit, microcontroller and alarm; One end of voltage detecting and controling circuit is connected to the common port of fuse and high voltage component, and the other end connects microcontroller, and the other end of microcontroller connects alarm.When abnormal conditions appear in pure electric automobile, cause powering on branch road when fuse blows is arranged, voltage detecting and controling circuit detects no-voltage on this power supply branch road, now, voltage detecting and controling circuit is exported corresponding electric signal to microcontroller, microcontroller receives corresponding electric signal, and controls alarm equipment alarm.The voltage check device that the utility model provides abnormal conditions occur at pure electric automobile, while causing fuse blows, corresponding alarm sends alerting signal, now, the alarm of reporting to the police occurs by searching in operating personnel, can fast finding to the power supply branch road broken down, thereby reduce the required time of looking up the fault.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation that Fig. 1 is pure electric automobile in prior art;
The structural representation that Fig. 2 is the disclosed a kind of voltage check device of the utility model embodiment;
The structural representation that Fig. 3 is the disclosed another kind of voltage check device of the utility model embodiment;
The structural representation that Fig. 4 is the disclosed a kind of pure electric automobile of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment obtained, and all belong to the scope of the utility model protection.
As shown in Figure 2, the utility model embodiment discloses a kind of structural representation of voltage check device, described voltage check device is applied in pure electric automobile, and described voltage check device comprises: voltage detecting and controling circuit 04, microcontroller 05 and alarm 06;
Wherein, the input end of voltage detecting and controling circuit 04 is connected to the common port of fuse 02 and high voltage component 03, and the output terminal of voltage detecting and controling circuit 04 connects the input end of microcontroller 05, and the output terminal of microcontroller 05 connects alarm 06.
When fuse 02 fusing, voltage detecting and controling circuit 04 can detect no-voltage on the power supply branch road at fuse 02 and high voltage component 03 place, now, and the corresponding electric signal of voltage detecting and controling circuit 04 output; Microcontroller 05 receiver voltage detects the corresponding electric signal of control circuit 04 output, and, to alarm 06 output control signal, thereby control alarm 06, reports to the police.
It will be understood by those skilled in the art that, a plurality of high voltage components 03 are arranged in pure electric automobile, such as: motor, air-conditioning, defroster, DC converter, power-assisted steering device, booster brake etc., the power supply branch road at high-tension distribution box 01 and each high voltage component 03 place is provided with a fuse 02 between the output terminal of high-tension distribution box 01 and each high voltage component 03.Search for convenience the power supply branch road at fuse 02 place of fusing, be provided with a plurality of voltage detecting and controling circuits 04 in voltage check device, each voltage detecting and controling circuit 04 all is connected with an alarm 06 by microcontroller 05.
Therefore, the fuse 02 in every power supply branch road and the common port of high voltage component 03, all connect the input end of a voltage detecting and controling circuit 04.Now, when abnormal conditions appear in pure electric automobile, when fuse 02 fusing is arranged, the power supply branch road dead electricity at this fuse 02 place, the voltage detecting and controling circuit 04 be connected with this fuse 02 can fast detecting go out this power supply branch road dead electricity, and to the corresponding electric signal of microcontroller 05 output, thereby microcontroller 05 is controlled the alarm corresponding with this voltage detecting and controling circuit 04 06 and is reported to the police, therefore, by searching, the alarm 06 of reporting to the police occurs, can find fast the power supply branch road broken down, thereby reduce operating personnel's required time of looking up the fault.
As shown in Figure 3, the utility model embodiment discloses the structural representation of another kind of voltage check device, from embodiment illustrated in fig. 2, different be, voltage detecting and controling circuit 04 is specially voltage comparator 07, wherein, the positive input terminal input of voltage comparator 07 has reference voltage, and (reference voltage is greater than 0V, and be less than on the power supply branch road voltage when voltage is arranged), the negative input end of voltage comparator 07 is connected with the common port of high voltage component 03 with fuse 02 as the input end of voltage detecting and controling circuit 04, the output terminal of voltage comparator 07 connects the input end of microcontroller 05 as the output terminal of voltage detecting and controling circuit 04.
When the voltage of the positive input terminal of voltage comparator 07 during higher than the voltage of negative input end, voltage comparator 07 output high level, otherwise, when the voltage of the positive input terminal of voltage comparator 07 during lower than the voltage of negative input end, voltage comparator 07 output low level.
For further optimizing technique scheme, voltage detecting and controling circuit 04 can also comprise: the reference voltage source circuit, the output terminal of reference voltage source circuit is connected with the positive input terminal of voltage comparator 07.
Need explanation a bit, on the power supply branch road voltage is arranged the time, voltage is generally 24V, on the power supply branch road, during no-voltage, voltage is 0V; The output voltage of reference voltage source circuit is between 0V～24V, for example: 10V.
While on the power supply branch road, voltage being arranged, the output voltage of the reference voltage source circuit that the voltage of the power supply branch road that the negative input end of voltage comparator 07 gathers gathers higher than positive input terminal, now, voltage comparator 07 output low level; On the power supply branch road during no-voltage, the output voltage of the reference voltage source circuit that the voltage of the power supply branch road that the negative input end of voltage comparator 07 gathers gathers lower than positive input terminal, voltage comparator 07 output high level.
Concrete, when abnormal conditions appear in pure electric automobile, when fuse 02 fusing is arranged, the power supply branch road dead electricity at this fuse 02 place, the voltage of the negative input end input of the voltage comparator 07 be connected with this power supply branch road is zero, now, the voltage that the voltage of the reference voltage source circuit output that voltage comparator 07 positive input terminal gathers gathers higher than negative input end, voltage comparator 07 output high level, the high level of microcontroller 05 receiver voltage comparer 07 output, to alarm 06 output control signal, realize alarm 06 warning.Because every power supply branch road of pure electric automobile all connects a voltage detecting and controling circuit 04, therefore, when pure electric automobile has fuse 02 fusing, by searching, the alarm 06 of reporting to the police occurs, can find fast the power supply branch road broken down, thereby reduce the required time of operating personnel's looking up the fault.
When the pure electric automobile normal operation, while there is no fuse 02 fusing, the voltage that the negative input end of the voltage comparator 07 be connected with this power supply branch road gathers, voltage higher than the reference voltage source circuit from the positive input terminal input, voltage comparator 07 output low level, the low level of microcontroller 05 receiver voltage comparer 07 output, but not to alarm 06 output control signal, therefore, alarm 06 is in alarm condition not.
Wherein, alarm 06 can be pilot lamp, and the positive pole of pilot lamp connects the output terminal of microcontroller 05, and negative pole connects earth terminal.
Embodiment corresponding to above-mentioned voltage check device, the utility model also provides a kind of pure electric automobile, specifically as shown in Figure 4, described pure electric automobile comprises: high-tension distribution box 01, fuse (two fuses shown in figure, the first fuse 12 and the second fuse 22), high voltage component (two high voltage components shown in figure, the first high voltage component 13 and the second high voltage component 23) and voltage check device;
Need explanation a bit, the corresponding fuse of each high voltage component in pure electric automobile, corresponding the second fuse 22 of corresponding the first fuse 12, the second high voltage components 23 of the first high voltage component 13 shown in Fig. 4.
Voltage check device comprises: voltage detecting and controling circuit (two voltage detecting and controling circuits shown in figure, the first voltage detecting and controling circuit 14 and second voltage detect control circuit 24), microcontroller 05 and alarm (two alarms shown in figure, the first alarm 16 and the second alarm 26);
High-tension distribution box 01 is given a high voltage component power supply by a fuse, thereby forms a power supply branch road, concrete, and two power supply branch roads are arranged in Fig. 4: high-tension distribution box 01, the first fuse 12 and the first high voltage component 13 form article one power supply branch road; High-tension distribution box 01, the second fuse 22 and the second high voltage component 23 form second power supply branch road.
Be understandable that, in pure electric automobile, each high voltage component and high-tension distribution box 01 all form a power supply branch road, and two power supply branch roads only are shown in Fig. 4.
Fuse in every power supply branch road and the common port of high voltage component, all connect a voltage detecting and controling circuit; Each voltage detecting and controling circuit all connects an alarm by microcontroller 05.
Specifically as shown in Figure 4, the first fuse 12 in article one power supply branch road and the common port of the first high voltage component 13, connect the first voltage detecting and controling circuit 14, the first voltage detecting and controling circuits 14 and be connected with the first alarm 16 by microcontroller 05; In like manner, the second fuse 22 in second power supply branch road and the common port of the second high voltage component 23, connect second voltage and detect control circuit 24, and second voltage detects control circuit 24 and is connected with the second alarm 26 by microcontroller 05.
The principle of work of pure electric automobile, referring to the principle of work of above-mentioned voltage check device, repeats no more herein.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that between each embodiment, identical similar part is mutually referring to getting final product.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a voltage check device, is characterized in that, comprising:
Input end is connected to the voltage detecting and controling circuit of the common port of fuse and high voltage component;
The microcontroller that input end is connected with the output terminal of described voltage detecting and controling circuit;
The alarm be connected with the output terminal of described microcontroller.
2. voltage check device according to claim 1, is characterized in that, described voltage detecting and controling circuit comprises:
Voltage comparator, the positive input terminal input of described voltage comparator has reference voltage, the negative input end of described voltage comparator is connected with the common port of described fuse and described high voltage component as the input end of described voltage detecting and controling circuit, and output terminal connects the input end of described microcontroller as the output terminal of described voltage detecting and controling circuit.
3. voltage check device according to claim 2, is characterized in that, described voltage detecting and controling circuit also comprises: the reference voltage source circuit, the output terminal of described reference voltage source circuit is connected with the positive input terminal of described voltage comparator.
4. voltage check device according to claim 1, is characterized in that, described alarm is pilot lamp, and the positive pole of described pilot lamp connects the output terminal of described microcontroller, and negative pole connects earth terminal.
5. a pure electric automobile, is characterized in that, comprising: high-tension distribution box, fuse, high voltage component and the described voltage check device of claim 1-4 any one;
Described voltage check device comprises: voltage detecting and controling circuit, microcontroller and alarm;
An output terminal of described high-tension distribution box connects a described high voltage component by a described fuse;
The common port of each described fuse and described high voltage component, all connect a described voltage detecting and controling circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204729168U CN203337768U (en) | 2013-08-02 | 2013-08-02 | Voltage detection apparatus and blade electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204729168U CN203337768U (en) | 2013-08-02 | 2013-08-02 | Voltage detection apparatus and blade electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203337768U true CN203337768U (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204729168U Expired - Fee Related CN203337768U (en) | 2013-08-02 | 2013-08-02 | Voltage detection apparatus and blade electric vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN203337768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986042A (en) * | 2015-06-10 | 2015-10-21 | 潍柴动力股份有限公司 | High-voltage system fault detection method and device |
-
2013
- 2013-08-02 CN CN2013204729168U patent/CN203337768U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986042A (en) * | 2015-06-10 | 2015-10-21 | 潍柴动力股份有限公司 | High-voltage system fault detection method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20160802 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |