CN102355036A - Charging monitoring and managing device for electric automobile - Google Patents
Charging monitoring and managing device for electric automobile Download PDFInfo
- Publication number
- CN102355036A CN102355036A CN2011102988727A CN201110298872A CN102355036A CN 102355036 A CN102355036 A CN 102355036A CN 2011102988727 A CN2011102988727 A CN 2011102988727A CN 201110298872 A CN201110298872 A CN 201110298872A CN 102355036 A CN102355036 A CN 102355036A
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Abstract
The invention discloses a charging monitoring and managing device for an electric automobile. The device comprises a vehicle controller, a battery managing unit, a vehicle information instrument, a vehicular storage battery, a key switchgroup, a pressing contacting switch and a one-way diode for a first vehicle; the vehicular storage battery is connected with the key switchgroup; the ON end of the key switchgroup is connected with an electrifying pin of the vehicle controller, a low-voltage power supply input pin of the battery managing unit and a low-voltage power supply input pin of the vehicle information instrument to a first wiring point; a second wiring point is arranged between the vehicular storage battery and the key switchgroup; one end of the pressing touching switch is connected with the second wiring point, and the other end of the pressing touching switch is connected with the anode of the one-way diode for the first vehicle, and the cathode of the one-way diode for the first vehicle is connected with the first wiring point; and a third wiring point is arranged between the pressing touching switch and the anode of the one-way diode for the first vehicle, and a charging state detecting pin of the vehicle controller is connected with the third wiring point. The device provided by the invention can be automatically electrified when the automobile is charged, and does not wrongly identify that the vehicle is charged when the vehicle is electrified.
Description
Technical field
The invention belongs to charging electric vehicle control field, specifically design a kind of charging monitoring management devices of electric automobile.
Background technology
Along with the exhausted day by day of global petroleum resources and to the raising day by day of emission request, the electric automobile of comparing the environmental protection more economically of conventional automobile has become the design focal point of each big automobile vendor.For satisfying the longer sustainable demand of travelling of electric automobile, require electric automobile can carry out power supply whenever and wherever possible and replenish.In the charging electric vehicle process, need corresponding monitoring management apparatus that charging process is monitored and managed, to guarantee the operation of charging process highly effective and safe.
When charging, monitoring management apparatus need work on power; Existing monitoring management apparatus is to utilize the key unit switch of vehicle to get to ON through the driver to bring in to each several part and power on.Because it can not power on automatically, if the driver forgets that the key unit switch is got to ON to be held when charging, monitoring management apparatus is not worked, and possibly cause the vehicle power battery to damage because of overcharging; Uncharged at automobile, the driver starts automobile and the key unit switch is got to ON holds to vehicle and power on, and the entire car controller of monitoring management apparatus may power on this by mistake and be judged as vehicle charging, influences the normal use of automobile.
Summary of the invention
The charging monitoring management devices that the purpose of this invention is to provide a kind of electric automobile, it can power on when vehicle charging automatically, and when vehicle powered on, can not judge by accident was to charge.
The charging monitoring management devices of electric automobile of the present invention comprises that entire car controller, battery management unit, information of vehicles instrument, Vehicular accumulator cell, key unit switch and the pressure that is integrated in the Vehicular charging socket touch switch; Also comprise the first automobile-used unilateral diode that is used to limit current direction;
Said Vehicular accumulator cell is run jointly to close with set of keys and is connected, and the ON end of key unit switch is connected in first wiring point with the low-tension supply input stitch of the stitch that powers on of entire car controller, battery management unit, the low-tension supply input stitch of information of vehicles instrument;
Between Vehicular accumulator cell and key unit switch, be provided with second wiring point, press that to touch that switch one end connects second wiring point, the other end connects the first automobile-used unilateral diode anodal, the first automobile-used unilateral diode negative pole connects first wiring point;
Touch between the switch and the first automobile-used unilateral diode positive pole in pressure and to be provided with the 3rd wiring point, the charging wire state-detection stitch of entire car controller connects the 3rd wiring point.
Further, in order to prevent to be connected low-voltage electrical appliance consumed power in the vehicle charging process of key unit switch ON end, between the key unit switch and first wiring point, be provided with the second automobile-used unilateral diode; The said second automobile-used unilateral diode is anodal to be connected with the ON end of key unit switch, and negative pole connects first wiring point.
Entire car controller is used to monitor the charging wire connection status and charging process is monitored; In charging process, battery management unit is used to detect the power battery pack state and adjusts charge parameter in real time to guarantee the smooth completion of charging process according to battery status; Be connected to vehicle from charging cable to the complete process of charging, the information of vehicles instrument is used for charged state, battery charge state are fed back to the driver in real time.
The pressure that is integrated in the Vehicular charging socket is touched switch closure when charging cable is connected to socket; Vehicular accumulator cell powers on for entire car controller, battery management unit and information of vehicles instrument through the first automobile-used unilateral diode automatically; Send signal through the 3rd wiring point simultaneously and inform entire car controller charging wire connection status; And this moment, the second automobile-used unilateral diode can limit current direction key unit switch ON end, thereby had avoided need not in the charging process power consumption of the low-voltage electrical appliance of work; When the driver uses the key unit switch to power on to vehicle but not charges; The electric current that the first automobile-used unilateral diode can limit from key unit switch ON end flows to the charging wire state-detection stitch of entire car controller through the 3rd wiring point, thereby has avoided entire car controller to take for vehicle in charged state.
During charging; The present invention can not use under the situation of key unit switch the driver; Automatically power on and accomplish the charging operations of vehicle, the antitheft reliability when having improved Vehicular charging will use the key unit switch to be Vehicular charging as the vehicle erroneous judgement that powers on when having avoided steering vehicle simultaneously; The second automobile-used unilateral diode that connects has been avoided the power consumption when Vehicular charging of other low-voltage electrical appliance; It is simple in structure simultaneously, is easy to realize.
Description of drawings
Fig. 1 is a theory diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further.
The charging monitoring management devices of electric automobile as shown in Figure 1 comprises entire car controller 1, battery management unit 2, information of vehicles instrument 3, Vehicular accumulator cell 4, key unit switch 5, is integrated in the first automobile-used unilateral diode 9 that pressure in the Vehicular charging socket is touched switch 6 and is used to limit current direction; The voltage of Vehicular accumulator cell 4 is+12V.Vehicular accumulator cell 4 is connected with key unit switch 5, and the ON end of key unit switch 5 is connected in first wiring point 7 with the low-tension supply input stitch of the stitch that powers on of entire car controller 1, battery management unit 2, the low-tension supply input stitch of information of vehicles instrument 3; Between Vehicular accumulator cell 4 and key unit switch 5, be provided with second wiring point 8, press and to touch that switch 6 one ends connect second wiring point 8, the other end connects first automobile-used unilateral diode 9 positive poles, first automobile-used unilateral diode 9 negative poles connect first wiring point 7; Touch between the switch 6 and first automobile-used unilateral diode 9 positive poles in pressure and to be provided with the 3rd wiring point 10, the charging wire state-detection stitch of entire car controller 1 connects the 3rd wiring point 10.Between the key unit switch 5 and first wiring point 7, be provided with the second automobile-used unilateral diode 11; Second automobile-used unilateral diode 11 anodal the ends with the ON of key unit switch 5 are connected, and negative pole connects first wiring point 7.
When automobile is uncharged; Key unit switch 5 is got to the on end; Be that vehicle powers on; Because the unilateal conduction effect of the first automobile-used unilateral diode 9; Make the high level state at first wiring point, 7 places not avoid occurring the erroneous judgement that vehicle is in charged state thus through the charging wire state-detection stitch of the first automobile-used unilateral diode 9 arrival entire car controllers 1.
After the Vehicular charging socket was input to electric automobile with external ac power source through charging cable, the vehicle-mounted charge machine converted this alternating current into vehicle power battery charge required direct current, charges; Press simultaneously and touch switch 6 closures; Vehicular accumulator cell powers on for entire car controller, battery management unit and information of vehicles instrument through the first automobile-used unilateral diode automatically; Monitoring management apparatus work, and send signal through the 3rd wiring point and inform entire car controller charging wire connection status; Because the unilateal conduction effect of the second automobile-used unilateral diode 11; Make first wiring point, 7 places+terminals that 12V voltage can not arrive low-voltage electrical appliances through the second automobile-used unilateral diode 11; Thereby need not the working power of the low-voltage electrical appliance of work in the cut-out charging process, and then reduce the low pressure power consumption of car load.
Claims (2)
1. the charging monitoring management devices of an electric automobile comprises that entire car controller (1), battery management unit (2), information of vehicles instrument (3), Vehicular accumulator cell (4), key unit switch (5) and the pressure that is integrated in the Vehicular charging socket touch switch (6); It is characterized in that: also comprise the first automobile-used unilateral diode (9) that is used to limit current direction;
Said Vehicular accumulator cell is run jointly to close with set of keys and is connected, and the ON end of key unit switch is connected in first wiring point (7) with the low-tension supply input stitch of the stitch that powers on of entire car controller, battery management unit, the low-tension supply input stitch of information of vehicles instrument;
Between Vehicular accumulator cell and key unit switch, be provided with second wiring point (8), press that to touch that switch one end connects second wiring point, the other end connects the first automobile-used unilateral diode anodal, the first automobile-used unilateral diode negative pole connects first wiring point;
Touch between the switch and the first automobile-used unilateral diode positive pole in pressure and to be provided with the 3rd wiring point (10), the charging wire state-detection stitch of entire car controller connects the 3rd wiring point.
2. the charging monitoring management devices of electric automobile according to claim 1 is characterized in that: between key unit switch (5) and first wiring point (7), be provided with the second automobile-used unilateral diode (11); The said second automobile-used unilateral diode is anodal to be connected with the ON end of key unit switch, and negative pole connects first wiring point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102988727A CN102355036A (en) | 2011-09-28 | 2011-09-28 | Charging monitoring and managing device for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102988727A CN102355036A (en) | 2011-09-28 | 2011-09-28 | Charging monitoring and managing device for electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102355036A true CN102355036A (en) | 2012-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102988727A Pending CN102355036A (en) | 2011-09-28 | 2011-09-28 | Charging monitoring and managing device for electric automobile |
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| Country | Link |
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| CN (1) | CN102355036A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107578A (en) * | 2013-02-17 | 2013-05-15 | 重庆长安汽车股份有限公司 | Electric vehicle charge control device |
| CN111770560A (en) * | 2019-03-30 | 2020-10-13 | 长城汽车股份有限公司 | Vehicle energy-saving method, device and system based on intelligent key |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201113506Y (en) * | 2007-09-10 | 2008-09-10 | 深圳市比克电池有限公司 | Circuit capable of charging low voltage batteries |
| CN101931253A (en) * | 2010-08-31 | 2010-12-29 | 重庆长安汽车股份有限公司 | CAN bus-based pure electric vehicle charging method and system |
-
2011
- 2011-09-28 CN CN2011102988727A patent/CN102355036A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201113506Y (en) * | 2007-09-10 | 2008-09-10 | 深圳市比克电池有限公司 | Circuit capable of charging low voltage batteries |
| CN101931253A (en) * | 2010-08-31 | 2010-12-29 | 重庆长安汽车股份有限公司 | CAN bus-based pure electric vehicle charging method and system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107578A (en) * | 2013-02-17 | 2013-05-15 | 重庆长安汽车股份有限公司 | Electric vehicle charge control device |
| CN111770560A (en) * | 2019-03-30 | 2020-10-13 | 长城汽车股份有限公司 | Vehicle energy-saving method, device and system based on intelligent key |
| CN111770560B (en) * | 2019-03-30 | 2024-03-01 | 长城汽车股份有限公司 | Vehicle energy saving method, device and system based on intelligent key |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120215 |