CN203690986U - Sleeping control device of vehicle charger - Google Patents
Sleeping control device of vehicle charger Download PDFInfo
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- CN203690986U CN203690986U CN201320843902.2U CN201320843902U CN203690986U CN 203690986 U CN203690986 U CN 203690986U CN 201320843902 U CN201320843902 U CN 201320843902U CN 203690986 U CN203690986 U CN 203690986U
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Abstract
The utility model provides a sleeping control device of a vehicle charger. The sleeping control device includes a power supply switch module, a sleeping trigger module, and a sleeping locking module, the power supply switch module supplies power to the control unit of the vehicle charger when a charging gun is inserted in, the sleeping trigger module is connected with the control unit of the vehicle charger, the sleeping trigger module generates a power-off control signal after the sleeping trigger signal of the control unit of the vehicle charger is received, the sleeping locking module is connected with the sleeping trigger module, and the sleeping locking module controls the power supply switch module to stop supplying power to the control unit of the vehicle charger based on the power-off control signal. The sleeping control device of the vehicle charger can directly cut off the power supply of the control unit of the vehicle charger when the vehicle charger needs to sleep, thereby greatly reducing power consumption.
Description
Technical field
The utility model relates to vehicle technology field, particularly a kind of dormancy control device of onboard charger.
Background technology
For the storage battery that makes vehicle can use the longer time after charging, on vehicle, each electronic component need to reduce the quiescent dissipation of self as much as possible.Each electronic component of general vehicle is made up of with the control unit of controlling each functional module the functional module that realizes various functions.In the time that electronic component quits work, functional module also quits work, but MCU(Micro Control Unit, micro-control unit) power supply still in work, this causes loss to exist always.
At present, in order to reduce the quiescent dissipation of onboard charger, the general scheme adopting is: after onboard charger detects that charging gun inserts, control unit just starts to power on, as shown in Figure 1, its course of work is: after charging gun inserts, and switch S 1 triggering and conducting, control unit starts to power on, and onboard charger is started working; After charging, pull up charging gun, charging gun triggering signal disappears, and S1 disconnects, thereby control unit disconnects, to reduce quiescent dissipation; After charging, if user forgets or do not pull up in time charging gun, control unit is always charged, in order to reduce power consumption, be generally to allow the chip of control unit carry out software dormancy, i.e. the chip by stop control unit and extraneous communication, sampling etc. reduces power consumption.
Although adopt above-mentioned software dormant technology can reduce to a certain extent power consumption, but the chip of control unit is still in mode of operation, therefore require the expenditure of energy, and give the power supply chip of chip power supply and with the circuit of chip communication etc. still in work, therefore, the effect of reduction power consumption is still undesirable.
Utility model content
The purpose of this utility model is intended at least solve one of above-mentioned technological deficiency.
For this reason, the purpose of this utility model is to propose a kind of dormancy control device of onboard charger, and this device can directly cut off the power supply of the control unit of onboard charger in the time that onboard charger needs dormancy, thus the power consumption of greatly reducing.
To achieve these goals, the dormancy control device of the onboard charger of the utility model embodiment, comprising: power switch module, and described power switch module is that the control unit of onboard charger is powered in the time that charging gun inserts; Dormancy trigger module, described dormancy trigger module is connected with the control unit of described onboard charger, electric control signal under described dormancy trigger module generates after the dormancy triggering signal of control unit that receives described onboard charger; And dormancy locking module, described dormancy locking module is connected with described dormancy trigger module, and described dormancy locking module stops the control unit power supply for described onboard charger according to power switch module described in described lower electric control signal control.
The dormancy control device of the onboard charger of the utility model embodiment directly cuts off the power supply of the control unit of onboard charger in the time that onboard charger needs dormancy, thus the power consumption of greatly reducing.
The aspect that the utility model is additional and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
The utility model above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments obviously and easily and understand, wherein:
Fig. 1 is the scheme schematic diagram that in prior art, onboard charger reduces power consumption;
Fig. 2 is according to the structural representation of the dormancy control device of the onboard charger of an embodiment of the utility model;
Fig. 3 is according to the structural representation of the dormancy control device of the onboard charger of another embodiment of the utility model;
Fig. 4 is according to the electrical block diagram of the dormancy control device of the onboard charger of the utility model embodiment.
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Disclosing below provides many different embodiment or example to be used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts to specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the utility model.In addition, the utility model can be in different examples repeat reference numerals and/or letter.This repetition is in order to simplify and object clearly, itself do not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the utility model provides and the example of material, but those of ordinary skills can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, First Characteristic described below Second Characteristic it " on " structure can comprise that the first and second Characteristics creations are the direct embodiment of contact, also can comprise the embodiment of other Characteristics creation between the first and second features, such the first and second features may not be direct contacts.
In description of the present utility model, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be to be directly connected, and also can indirectly be connected by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
With reference to description and accompanying drawing below, by these and other aspects of clear embodiment of the present utility model.In these descriptions and accompanying drawing, specifically disclose some specific implementations in embodiment of the present utility model, represent some modes of the principle of implementing embodiment of the present utility model, but should be appreciated that the scope of embodiment of the present utility model is not limited.On the contrary, embodiment of the present utility model comprises all changes, modification and the equivalent within the scope of spirit and the intension that falls into additional claims.
In order to reduce the power consumption of onboard charger, the utility model proposes a kind of dormancy control device of onboard charger, the dormancy control device of the onboard charger of the utility model embodiment is described below with reference to accompanying drawing.
Fig. 2 is according to the structural representation of the dormancy control device of the onboard charger of an embodiment of the utility model.As shown in Figure 2, comprise according to the dormancy control device of the onboard charger of the utility model embodiment: power switch module 100, dormancy trigger module 200 and dormancy locking module 300.
In embodiment of the present utility model, in the time using the charge in batteries that onboard charger is vehicle, in the time that charging gun inserts, power switch module 100 starts to power for the control unit of onboard charger, after the control unit of onboard charger powers on, onboard charger is started working.
In embodiment of the present utility model, in the time that the control unit of onboard charger needs dormancy, control unit sends dormancy triggering signal to dormancy trigger module 200, and dormancy trigger module 200 generates lower electric control signal according to dormancy triggering signal.
In embodiment of the present utility model, the lower electric control signal that dormancy locking module 300 generates according to dormancy trigger module 200 turn-offs, and turn-offs, thereby make electricity under the control unit of onboard charger to control power switch module 100.
The dormancy control device of the onboard charger of the utility model embodiment directly cuts off the power supply of the control unit of onboard charger in the time that onboard charger needs dormancy, thus the power consumption of greatly reducing.
Fig. 3 is according to the structural representation of the dormancy control device of the onboard charger of another embodiment of the utility model.As shown in Figure 3, comprise according to the dormancy control device of the onboard charger of the utility model embodiment: power switch module 100, dormancy trigger module 200, dormancy locking module 300 and wake-up trigger module 400.
Wherein, power switch module 100 is that the control unit 10 of onboard charger is powered in the time that charging gun inserts.
The wake-up trigger module 400 being connected with dormancy locking module 300, be used for receiving wake up trigger signal, and generation wakes control signal up, and will wake control signal up and be sent to dormancy locking module 300, so that controlling the control unit 10 that power switch module 100 reverts to onboard charger, dormancy locking module 300 powers.
In embodiment of the present utility model, after 10 times electricity of control unit of onboard charger, if need to continue charging, need to make the control unit 10 of onboard charger to re-power.Particularly, for example in the driver's cabin of vehicle, can be provided with dormancy awakening button, can generate wake up trigger signal by touching dormancy awakening button, wake-up trigger module 400 receives wake up trigger signal so, and generation wakes control signal up, and will wake control signal up and be sent to dormancy locking module 300, so that opening to control power switch module 100, dormancy locking module 300 opens, thereby the control unit 10 that reverts to onboard charger is powered, and makes onboard charger enter operating state.
The dormancy control device of the onboard charger of the utility model embodiment, in the time that onboard charger needs dormancy, only need a dormancy triggering signal just can cut off the power supply of the control unit of onboard charger, in the time that need to powering on again, the control unit of onboard charger only need a wake up trigger signal just can realize, control mode is simple, greatly reduces power consumption.
Fig. 4 is according to the electrical block diagram of the dormancy control device of the onboard charger of the utility model embodiment.
In embodiment of the present utility model, as shown in Figure 4, the power switch module 100 of the utility model embodiment comprises: one end of the first resistance R 1, the first resistance R 1 is electrically connected with power supply VCC; One end of the second resistance R 2, the second resistance R 2 is electrically connected with the other end of the first resistance R 1, and the other end ground connection of the second resistance R 2 is the input of power switch module 100 between one end of the second resistance R 2 and the other end of the first resistance R 1; The first switching tube Q1, the source electrode of the first switching tube Q1 is electrically connected with power supply VCC, and the grid of the first switching tube Q1 is electrically connected with the other end of the first resistance R 1, and the first drain electrode of switching tube Q1 and the control unit of onboard charger 10 are electrically connected.
In embodiment of the present utility model, as shown in Figure 4, the dormancy locking module 300 of the utility model embodiment comprises: second switch pipe Q2, the source electrode of second switch pipe Q2 is electrically connected with power supply VCC, the grid of second switch pipe Q2 is the first input end of dormancy locking module 300, the drain electrode of second switch pipe Q2 is the output of dormancy locking module 300, and the drain electrode of second switch pipe Q2 is electrically connected with the input of power switch module 100; The 3rd switching tube Q3, the drain electrode of the 3rd switching tube Q3 is electrically connected with the grid of second switch pipe Q2, and the source electrode of the 3rd switching tube Q3 is the second input of dormancy locking module 300; One end of the 3rd resistance R 3, the three resistance R 3 is electrically connected with the grid of the 3rd switching tube Q3, and the other end of the 3rd resistance R 3 is electrically connected with the drain electrode of second switch pipe Q2; One end of the 4th resistance R 4, the four resistance R 4 is electrically connected with the other end of the 3rd resistance R 3, the other end ground connection of the 4th resistance R 4.
In embodiment of the present utility model, as shown in Figure 4, the dormancy trigger module 200 of the utility model embodiment comprises: one end of the first switch S 1, the first switch S 1 is electrically connected with power supply VCC, and the first switch S 1 is according to dormancy triggering signal closure; One end of the 5th resistance R 5, the five resistance R 5 is electrically connected with the other end of the first switch S 1; One end of the 6th resistance R 6, the six resistance R 6 is electrically connected with the other end of the 5th resistance R 5, the other end ground connection of the 6th resistance R 6; The 4th switching tube Q4, the grid of the 4th switching tube Q4 is electrically connected with one end of the 6th resistance R 6, and the source electrode of the 4th switching tube Q4 is electrically connected with the other end of the 6th resistance R 6; The 7th resistance R 7, one end of the 7th resistance R 7 is electrically connected with power supply VCC, the other end of the 7th resistance R 7 is the output of dormancy trigger module 200, and the other end of the 7th resistance R 7 is electrically connected with the first input end of dormancy locking module 300, the output of dormancy trigger module 200 exports lower electric control signal to the first input end of dormancy locking module 300; One end of the 8th resistance R 8, the eight resistance R 8 is electrically connected with the other end of the 7th resistance R 7, and the other end of the 8th resistance R 8 is electrically connected with the drain electrode of the 4th switching tube Q4.
In embodiment of the present utility model, as shown in Figure 4, the wake-up trigger module 400 of the utility model embodiment comprises: second switch S2, and one end ground connection of second switch S2, second switch S2 is used for according to wake up trigger signal closure; One end of the 9th resistance R 9, the nine resistance R 9 is electrically connected with power supply VCC, and the other end of the 9th resistance R 9 is electrically connected with the other end of second switch S2; One end of the tenth resistance R 10, the ten resistance R 10 is electrically connected with the other end of the 9th resistance R 9, the other end ground connection of the tenth resistance R 10; The 5th switching tube Q5, the grid of the 5th switching tube Q5 is electrically connected with the other end of second switch S2, the source ground of the 5th switching tube Q5, the drain electrode of the 5th switching tube Q5 is the output of wake-up trigger module 400, and the drain electrode of the 5th switching tube Q5 is electrically connected with the second input of dormancy locking module 300, the output of wake-up trigger module 400 will wake control signal up and export to the second input of dormancy locking module 300.
In embodiment of the present utility model, switching tube Q1, Q2, Q3, Q4 and Q5 are specially field-effect transistor.
The operation principle of modules in the dormancy control device of onboard charger of the utility model embodiment is described below with reference to Fig. 4.
In embodiment of the present utility model, in the time using the charge in batteries that onboard charger is vehicle, in the time that charging gun inserts, as shown in Figure 4, due to the dividing potential drop effect of R1 and R2, Q1 conducting, simultaneously due to the dividing potential drop effect because of R9 and R10, Q5 conducting, the control unit 10 of onboard charger can normally power on, and onboard charger enters operating state.
In embodiment of the present utility model, when onboard charger is in the time that holding state need to carry out dormancy, the control unit 10 of onboard charger sends dormancy triggering signal, controls the first switch S 1 closure, after S1 closure, due to the dividing potential drop effect of R5 and R6, Q4 conducting; After Q4 conducting, R7 and R8 have electric current to pass through, due to the dividing potential drop effect of R7 and R8, and the lower electric control signal of the output output of dormancy trigger module 200, thus control Q2 conducting; After Q2 conducting, the voltage at R3 two ends is lifted to VCC, now Q3 conducting, Q1 turn-offs, thereby has disconnected the power supply to the control unit 10 of onboard charger.In addition, due to the conducting of Q3, the voltage of the grid of Q2 is pulled down to GND, makes Q2 keep conducting state, now Q2 and Q3 form locking circuit, and its work is not subject to the impact of the first switch S 1.Realized and only needed a dormancy triggering signal just can control 10 times electricity of control unit of onboard charger.
In embodiment of the present utility model, after 10 times electricity of control unit of onboard charger, if need to use onboard charger to continue charging, need to make the control unit 10 of onboard charger to re-power.Now, wake-up trigger module 400 receives wake up trigger signal, and second switch S2, according to wake up trigger signal closure, is pulled down to GND(ground connection by the grid voltage of Q5), Q5 disconnects so; After Q5 disconnects, Q3 disconnects because losing conducting loop; After Q3 disconnects, the voltage at R7 two ends is raised to VCC, and Q2 disconnects so; After Q2 disconnects, due to R1 and R2 dividing potential drop relation, Q1 recovers conducting, and the control unit 10 of onboard charger re-powers, and onboard charger can restart work.Realized and only needed a wake up trigger signal just can make onboard charger rearming.
In addition, in an embodiment of the present utility model, if select resistance R 1=R2=R4=R5=R6=R7=R8=R9=R10=50K, R3=1K, dead circuit impedance R=R7/ so/(R9+R10) //R4//R2=14.3K, the dormancy control device of supposing again the onboard charger of the utility model embodiment is applied to 12V battery system, and power consumption is P=VCC/R=12V/14.3K=840uA<1mA so.Can find out, the dormancy control device of the onboard charger of the utility model embodiment can reduce the stand-by power consumption of onboard charger effectively, thereby promotes the technical merit of vehicle-mounted charger product.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that in the situation that not departing from principle of the present utility model and spirit and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is by claims and be equal to and limit.
Claims (6)
1. a dormancy control device for onboard charger, is characterized in that, comprising:
Power switch module, described power switch module is that the control unit of onboard charger is powered in the time that charging gun inserts;
Dormancy trigger module, described dormancy trigger module is connected with the control unit of described onboard charger, electric control signal under described dormancy trigger module generates after the dormancy triggering signal of control unit that receives described onboard charger; And
Dormancy locking module, described dormancy locking module is connected with described dormancy trigger module, and described dormancy locking module stops the control unit power supply for described onboard charger according to power switch module described in described lower electric control signal control.
2. the dormancy control device of onboard charger according to claim 1, is characterized in that, also comprises:
The wake-up trigger module being connected with described dormancy locking module, be used for receiving wake up trigger signal, and generation wakes control signal up, and will described in wake control signal up and be sent to described dormancy locking module so that the control unit that described in described dormancy locking module controls, power switch module recovery is described onboard charger is powered.
3. the dormancy control device of onboard charger according to claim 2, is characterized in that, described power switch module comprises:
The first resistance, one end of described the first resistance is electrically connected with power supply;
The second resistance, one end of described the second resistance is electrically connected with the other end of described the first resistance, and the other end ground connection of described the second resistance is the input of described power switch module between one end of described the second resistance and the other end of described the first resistance;
The first switching tube, the source electrode of described the first switching tube is electrically connected with described power supply, and the grid of described the first switching tube is electrically connected with the other end of described the first resistance, and the drain electrode of described the first switching tube is electrically connected with the control unit of described onboard charger.
4. the dormancy control device of onboard charger according to claim 2, is characterized in that, described dormancy locking module comprises:
Second switch pipe, the source electrode of described second switch pipe is electrically connected with power supply, the grid of described second switch pipe is the first input end of described dormancy locking module, the drain electrode of described second switch pipe is the output of described dormancy locking module, and the drain electrode of described second switch pipe is electrically connected with the input of described power switch module;
The 3rd switching tube, the drain electrode of described the 3rd switching tube is electrically connected with the grid of described second switch pipe, and the source electrode of described the 3rd switching tube is the second input of described dormancy locking module;
The 3rd resistance, one end of described the 3rd resistance is electrically connected with the grid of described the 3rd switching tube, and the other end of described the 3rd resistance is electrically connected with the drain electrode of described second switch pipe;
The 4th resistance, one end of described the 4th resistance is electrically connected with the other end of described the 3rd resistance, the other end ground connection of described the 4th resistance.
5. the dormancy control device of onboard charger according to claim 2, is characterized in that, described dormancy trigger module comprises:
The first switch, one end of described the first switch is electrically connected with power supply, and described the first switch is according to described dormancy triggering signal closure;
The 5th resistance, one end of described the 5th resistance is electrically connected with the other end of described the first switch;
The 6th resistance, one end of described the 6th resistance is electrically connected with the other end of described the 5th resistance, the other end ground connection of described the 6th resistance;
The 4th switching tube, the grid of described the 4th switching tube is electrically connected with one end of described the 6th resistance, and the source electrode of described the 4th switching tube is electrically connected with the other end of described the 6th resistance;
The 7th resistance, one end of described the 7th resistance is electrically connected with described power supply, the other end of described the 7th resistance is the output of described dormancy trigger module, and the other end of described the 7th resistance is electrically connected with the first input end of described dormancy locking module, the output of described dormancy trigger module exports described lower electric control signal to the first input end of described dormancy locking module;
The 8th resistance, one end of described the 8th resistance is electrically connected with the other end of described the 7th resistance, and the other end of described the 8th resistance is electrically connected with the drain electrode of described the 4th switching tube.
6. the dormancy control device of onboard charger according to claim 2, is characterized in that, described wake-up trigger module comprises:
Second switch, one end ground connection of described second switch, described second switch is used for according to described wake up trigger signal closure;
The 9th resistance, one end of described the 9th resistance is electrically connected with power supply, and described the 9th other end of resistance and the other end of described second switch are electrically connected;
The tenth resistance, one end of described the tenth resistance is electrically connected with the other end of described the 9th resistance, the other end ground connection of described the tenth resistance;
The 5th switching tube, described the 5th grid of switching tube and the other end of described second switch are electrically connected, the source ground of described the 5th switching tube, the drain electrode of described the 5th switching tube is the output of described wake-up trigger module, and the drain electrode of described the 5th switching tube is electrically connected with the second input of described dormancy locking module, the output of described wake-up trigger module is by described the second input that wakes control signal up and export to described dormancy locking module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320843902.2U CN203690986U (en) | 2013-12-19 | 2013-12-19 | Sleeping control device of vehicle charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320843902.2U CN203690986U (en) | 2013-12-19 | 2013-12-19 | Sleeping control device of vehicle charger |
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| CN203690986U true CN203690986U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320843902.2U Expired - Lifetime CN203690986U (en) | 2013-12-19 | 2013-12-19 | Sleeping control device of vehicle charger |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843531A (en) * | 2019-10-30 | 2020-02-28 | 东软睿驰汽车技术（沈阳）有限公司 | Device, method and system for controlling EVCC dormancy and electric automobile |
| CN111836740A (en) * | 2018-02-13 | 2020-10-27 | Lg 伊诺特有限公司 | Charging control device for electric vehicle |
-
2013
- 2013-12-19 CN CN201320843902.2U patent/CN203690986U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111836740A (en) * | 2018-02-13 | 2020-10-27 | Lg 伊诺特有限公司 | Charging control device for electric vehicle |
| US11787301B2 (en) | 2018-02-13 | 2023-10-17 | Lg Innotek Co., Ltd. | Charging control device for electric vehicle |
| CN111836740B (en) * | 2018-02-13 | 2024-04-26 | Lg伊诺特有限公司 | Charging control device for electric vehicle |
| CN110843531A (en) * | 2019-10-30 | 2020-02-28 | 东软睿驰汽车技术（沈阳）有限公司 | Device, method and system for controlling EVCC dormancy and electric automobile |
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Granted publication date: 20140702 |