CN201797355U - Pre-charge and discharge device of vehicle motor controller - Google Patents
Pre-charge and discharge device of vehicle motor controller Download PDFInfo
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- CN201797355U CN201797355U CN2010205369255U CN201020536925U CN201797355U CN 201797355 U CN201797355 U CN 201797355U CN 2010205369255 U CN2010205369255 U CN 2010205369255U CN 201020536925 U CN201020536925 U CN 201020536925U CN 201797355 U CN201797355 U CN 201797355U
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- opened contact
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- electric machine
- break
- precharge
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a pre-charge and discharge device of a vehicle motor controller. A first on-off point of the device is connected with an electrolytic capacitor in series through a pre-charge resistor, a second on-off point is connected with the first on-off point and the pre-charge resistor in parallel, and a discharge resistor is connected with the third on-off point in series and then connected with the electrolytic capacitor in parallel or connected with the pre-charge resistor and the electrolytic capacitor in parallel. Preferably, the device also comprises a first direct contactor and a second direct contactor, wherein the first on-off point is the first normally open contact point of the first direct contactor, the third on-off point is the normally closed contact point of the first direct contactor, and the second on-off point is the first normally open contact point of the second direct contactor. The device also comprises a protector tube. The pre-charge and discharge device of the vehicle motor controller is rationally designed, has a simple structure, can prolong the charge time of the electrolytic capacitor, improve the use environment of the electrolytic capacitor, prolong the service life of the electrolytic capacitor and greatly shorten the discharge time of the electrolytic capacitor, improves the use safety of the motor controller and is low in manufacturing cost, convenient to use and suitable for large-scaled popularization and application.
Description
Technical field
The utility model relates to the drive system of electric automobile technical field; be specifically related to electric automobile electric drive system electric machine controller technical field; be particularly related to a kind of precharge and electric discharge device of automobile-used electric machine controller, with protection and safe handling motor in electric automobile controller.
Background technology
Along with environmental issue is more and more paid close attention to by society, it has been trend of the times that fuel-engined vehicle is replaced by new-energy automobile, and pure electric automobile is about to obtain unprecedented opportunity to develop.
Electric automobile has characteristics such as volume is little, in light weight.And electric machine controller is the core component of electric motor car, controller performance decision car load fail safe and reliability.See also Fig. 1, Fig. 1 is the connection diagram of prior motor controller 10 and power cabinet 20, that is to say that electric machine controller 10 ends add the environment for use of any measure.Wherein power cabinet 20 is by transformer TRANS, protective tube RS, rectifier diode D1～D6, reactor L1, electrochemical capacitor C1, compositions such as resistance R 1, protective tube RS, switch ZK.Electric machine controller 10 is made up of electrochemical capacitor C2 and frequency converting element (not shown).For improving the stationarity of motor, the big electric capacity (being electrochemical capacitor C2) of voltage stabilizing and filter action has been housed all in the electric machine controller 10.If at the voltage of 320 volts of the direct impacts in electrochemical capacitor C2 two ends, the electrochemical capacitor C2 life-span there is adverse effect, can shorten the life-span of electrochemical capacitor C2.On the other hand, when the power supply of electric machine controller 10 from 320 volts disconnects, because electrochemical capacitor C2 goes up storage electric energy is arranged, electric machine controller 10 positive and negative electrodes are asked and had higher voltage, and are very dangerous.
Therefore, the precharge and the electric discharge device that need a kind of automobile-used electric machine controller, make when electric machine controller charges, prolong the charging interval of electrochemical capacitor in the electric machine controller, improve the environment for use of electrochemical capacitor, prolong the life-span of electrochemical capacitor, after the electric machine controller outage, shorten the discharge time of electrochemical capacitor greatly, improved the safety in utilization of electric machine controller.
The utility model content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, a kind of precharge and electric discharge device of automobile-used electric machine controller are provided, the precharge and the electric discharge device of this automobile-used electric machine controller are reasonable in design, simple in structure, when making the electric machine controller charging, can prolong the charging interval of electrochemical capacitor in the electric machine controller, improve the environment for use of electrochemical capacitor, prolong the life-span of electrochemical capacitor, after the electric machine controller outage, can shorten the discharge time of electrochemical capacitor greatly, improved the safety in utilization of electric machine controller, and low cost of manufacture, easy to use, be suitable for large-scale promotion application.
To achieve these goals, the precharge of how automobile-used electric machine controller of the present utility model and electric discharge device have following formation:
The precharge of this automobile-used electric machine controller and electric discharge device, comprise electrochemical capacitor, be characterized in, the precharge of described automobile-used electric machine controller and electric discharge device also comprise first break-make point, pre-charge resistance, second break-make point, discharge resistance and threeway breakpoint, the described first break-make point is connected with described electrochemical capacitor by described pre-charge resistance, the described second break-make point is in parallel with described first break-make point and described pre-charge resistance, and is in parallel with described electrochemical capacitor or in parallel with described pre-charge resistance and described electrochemical capacitor after described discharge resistance is connected with described threeway breakpoint.
Preferably, the precharge of described automobile-used electric machine controller and electric discharge device also comprise the first direct contactor and the second direct contactor, described first break-make point is first normal opened contact of the described first direct contactor, described threeway breakpoint is the normally closed contact of the described first direct contactor, and described second break-make point is first normally opened contact of the described second direct contactor.
More preferably, the precharge of described automobile-used electric machine controller and electric discharge device also comprise described first normal opened contact of control, the control assembly that described normally closed contact and described first normally opened contact open and close, described control assembly comprises DC power supply, the band key button and the time relay, the described first direct contactor also comprises second normal opened contact, described band key button is connected with the described first direct contactor, the described time relay and the series connection of described first normal opened contact, described second normal opened contact is connected the described band key button and the described first direct contactor by the normally open contact of the described time relay with the described second direct contactor, the described time relay and described first normal opened contact and described second normal opened contact, described normally open contact is connected with described DC power supply circuit with described second direct contactor back parallel with one another.
Further, described control assembly also comprises indicator elment, the described first direct contactor also comprises the 3rd normal opened contact, and described indicator elment is connected with described first normal opened contact parallel connection and with described DC power supply circuit with the described time relay with described the 3rd normal opened contact series connection back.
Especially more preferably, described indicator elment is an indicator light.
Preferably, the precharge of described automobile-used electric machine controller and electric discharge device also comprise protective tube, and described protective tube is all connected with described first break-make point, described pre-charge resistance, described electrochemical capacitor, described second break-make point, described discharge resistance, described threeway breakpoint.
The beneficial effects of the utility model are:
1, the precharge of automobile-used electric machine controller of the present utility model and electric discharge device are by connecting by described pre-charge resistance the described first break-make point with described electrochemical capacitor, the described second break-make point is in parallel with described first break-make point and described pre-charge resistance, it is in parallel with described electrochemical capacitor or in parallel after described discharge resistance is connected with described threeway breakpoint with described pre-charge resistance and described electrochemical capacitor, thereby charge to electrochemical capacitor by pre-charge resistance during charging, discharge by pre-charge resistance and discharge resistance during outage, reasonable in design, simple in structure, when making the electric machine controller charging, can prolong the charging interval of electrochemical capacitor in the electric machine controller, improve the environment for use of electrochemical capacitor, prolong the life-span of electrochemical capacitor, after the electric machine controller outage, can shorten the discharge time of electrochemical capacitor greatly, improve the safety in utilization of electric machine controller, and low cost of manufacture, easy to use, be suitable for large-scale promotion application.
2, first normal opened contact that described first break-make point of the present utility model is the described first direct contactor, described threeway breakpoint is the normally closed contact of the described first direct contactor, described second break-make point is first normally opened contact of the described second direct contactor, described control assembly comprises DC power supply, the band key button and the time relay, the described first direct contactor also comprises second normal opened contact, described band key button is connected with the described first direct contactor, the described time relay and the series connection of described first normal opened contact, described second normal opened contact is connected with the described second direct contactor by the normally open contact of the described time relay, the described band key button and the described first direct contactor, the described time relay and described first normal opened contact and described second normal opened contact, described normally open contact is connected with described DC power supply circuit with described second direct contactor back parallel with one another, control described first normal opened contact and the switching of described first normally opened contact by control assembly, realize charging and discharge, design ingenious, simple to operate, be suitable for large-scale promotion application.
Description of drawings
Fig. 1 is the connection diagram of existing electric machine controller and power cabinet.
Fig. 2 is the parts connection diagram of a specific embodiment of the present utility model.
Fig. 3 is the control circuit schematic diagram of specific embodiment shown in Figure 2.
Embodiment
In order more to be expressly understood technology contents of the present utility model, describe in detail especially exemplified by following examples.
See also shown in Fig. 2～3, the precharge of automobile-used electric machine controller of the present utility model and electric discharge device comprise electrochemical capacitor 1, the first break-make point 2, pre-charge resistance 3, the second break-make point 4, discharge resistance 5 and threeway breakpoint 6, the described first break-make point 2 is connected with described electrochemical capacitor 1 by described pre-charge resistance 3, the described second break-make point 4 is in parallel with described first break-make point 2 and described pre-charge resistance 3, and connect with described threeway breakpoint 6 back and described electrochemical capacitor 1 of described discharge resistance 5 is in parallel or in parallel with described pre-charge resistance 3 and described electrochemical capacitor 1.See also shown in Figure 2, in specific embodiment of the utility model, described discharge resistance 5 connect with described threeway breakpoint 6 back in parallel with described pre-charge resistance 3 and described electrochemical capacitor 1.
When needs charged, the first break-make point 2 was communicated with, and the second break-make point 4 and threeway breakpoint 6 disconnect, and pre-charge resistance 3 seals in the power cabinet (not shown) with electrochemical capacitor 1, and power cabinet is given electrochemical capacitor 1 precharge through pre-charge resistance 3; After the first break-make point 2 was communicated with the suitable time (for example 5 seconds), the second break-make point 4 was communicated with, and pre-charge resistance 3 is put 4 short circuits by second break-make, and electrochemical capacitor 1 is finished precharge substantially.
When needs cut off the power supply, the first break-make point 2 and the second break-make point 4 disconnected, and threeway breakpoint 6 is communicated with, and electric machine controller is thrown off from power cabinet is anodal, simultaneously discharge resistance 5 and pre-charge resistance 3 were connect to electrochemical capacitor 1, to electrochemical capacitor 1 discharge.If described discharge resistance 5 then in this case, has only discharge resistance 5 to connect to electrochemical capacitor 1, to electrochemical capacitor 1 discharge with only in parallel with described electrochemical capacitor 1 after described threeway breakpoint 6 is connected.
The first break-make point 2, the second break-make point 4 and threeway breakpoint 6 can be any suitable elements.Preferably, the precharge of described automobile-used electric machine controller and electric discharge device also comprise the first direct contactor 7 and the second direct contactor 8, the described first break-make point 2 is first normal opened contacts 71 of the described first direct contactor 7, described threeway breakpoint 6 is normally closed contact (not shown) of the described first direct contactor 7, and the described second break-make point 4 is first normally opened contact (not shown) of the described second direct contactor 8.
See also shown in Figure 3, in specific embodiment of the utility model, the precharge of described automobile-used electric machine controller and electric discharge device also comprise described first normal opened contact 71 of control, the control assembly that described normally closed contact and described first normally opened contact open and close, described control assembly comprises DC power supply 9, the band key button 11 and the time relay 12, the described first direct contactor 7 also comprises second normal opened contact 72, described band key button 11 is connected with the described first direct contactor 7, the described time relay 12 and 71 series connection of described first normal opened contact, described second normal opened contact 72 is connected the described band key button 11 and the described first direct contactor 7 by the normally open contact 13 of the described time relay 12 with the described second direct contactor 8, the described time relay 12 and described first normal opened contact 71 and described second normal opened contact 72, described normally open contact 13 is connected with described DC power supply 9 circuit with the described second direct contactor 8 backs parallel with one another.
Be in charged state or discharge condition at present in order to understand electric machine controller, further, described control assembly also comprises indicator elment 14, the described first direct contactor 7 also comprises the 3rd normal opened contact 73, and described indicator elment 14 is connected with 71 parallel connections of described first normal opened contact and with described DC power supply 9 circuit with the described time relay 12 with described the 3rd normal opened contact 73 series connection backs.See also shown in Figure 3ly, in specific embodiment of the utility model, described indicator elment 14 is indicator lights.
In order to protect each element of electric machine controller; see also shown in Figure 2; in specific embodiment of the utility model; the precharge of described automobile-used electric machine controller and electric discharge device also comprise protective tube 15, and described protective tube 15 is all connected with the described first break-make point 2, described pre-charge resistance 3, described electrochemical capacitor 1, the described second break-make point 4, described discharge resistance 5, described threeway breakpoint 6.
When the utility model uses, electric machine controller is connected with power cabinet, press band key button 11, first direct contactor 7 coil electricities make the armature adhesive, first normal opened contact 71 (i.e. the first break-make point 2), second normal opened contact 72 and the 3rd normal opened contact 73 closures, normally closed contact (i.e. threeway breakpoint 6) is opened, and indicator light is lighted, pre-charge resistance 3 seals in power cabinet with electrochemical capacitor 1, and power cabinet is given electrochemical capacitor 1 precharge through pre-charge resistance 3; 71 adhesives of first normal opened contact are after 5 seconds, normally open contact 13 closures of the time relay 12, thereby second direct contactor 8 coil electricities make the armature adhesive, first normally opened contact (i.e. the second break-make point 4) closure, pre-charge resistance 3 is by the first normally opened contact short circuit, and electrochemical capacitor 1 is finished precharge substantially.When once more by band key button 11, first D.C. contactor 7 and second D.C. contactor, 8 coil losing electricities, first normal opened contact 71 (i.e. the first break-make point 2), second normal opened contact 72, the 3rd normal opened contact 73, first normally opened contact (i.e. the second break-make point 4) and the normally open contact 13 of the time relay 12 are opened, normally closed contact (i.e. threeway breakpoint 6) closure, indicator light extinguishes, electric machine controller is thrown off from power cabinet is anodal, simultaneously pre-charge resistance 3 and discharge resistance 5 are connect to electrochemical capacitor 1, to electrochemical capacitor 1 discharge.
In order to implement the utility model effectively reliably, extra-heavy is transferred following points for attention.
Because first normal opened contact 71 of pre-charge resistance 3 and the discharge resistance 5 and first D.C. contactor 7 is connected in the high direct voltage 320V circuit, should separate with low-voltage circuits such as band key button 11, the time relay 12, indicator lights in arrangements of elements and lead trend.The precharge and the electric discharge device of the automobile-used electric machine controller that is increased simultaneously should be with the power cabinet reliable grounds.In the precharge of automobile-used electric machine controller and the casing of electric discharge device tangible safety signs should be arranged!
To sum up, multifunctional portable caution device design of the present utility model is reasonable, simple in structure, aesthetic in appearance generous, diverse in function, and low cost of manufacture, easy to use, be suitable for large-scale promotion application.
In this specification, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (6)
1. the precharge of an automobile-used electric machine controller and electric discharge device, comprise electrochemical capacitor, it is characterized in that, the precharge of described automobile-used electric machine controller and electric discharge device also comprise first break-make point, pre-charge resistance, second break-make point, discharge resistance and threeway breakpoint, the described first break-make point is connected with described electrochemical capacitor by described pre-charge resistance, the described second break-make point is in parallel with described first break-make point and described pre-charge resistance, and is in parallel with described electrochemical capacitor or in parallel with described pre-charge resistance and described electrochemical capacitor after described discharge resistance is connected with described threeway breakpoint.
2. the precharge of automobile-used electric machine controller according to claim 1 and electric discharge device, it is characterized in that, the precharge of described automobile-used electric machine controller and electric discharge device also comprise the first direct contactor and the second direct contactor, described first break-make point is first normal opened contact of the described first direct contactor, described threeway breakpoint is the normally closed contact of the described first direct contactor, and described second break-make point is first normally opened contact of the described second direct contactor.
3. the precharge of automobile-used electric machine controller according to claim 2 and electric discharge device, it is characterized in that, the precharge of described automobile-used electric machine controller and electric discharge device also comprise described first normal opened contact of control, the control assembly that described normally closed contact and described first normally opened contact open and close, described control assembly comprises DC power supply, the band key button and the time relay, the described first direct contactor also comprises second normal opened contact, described band key button is connected with the described first direct contactor, the described time relay and the series connection of described first normal opened contact, described second normal opened contact is connected the described band key button and the described first direct contactor by the normally open contact of the described time relay with the described second direct contactor, the described time relay and described first normal opened contact and described second normal opened contact, described normally open contact is connected with described DC power supply circuit with described second direct contactor back parallel with one another.
4. the precharge of automobile-used electric machine controller according to claim 3 and electric discharge device, it is characterized in that, described control assembly also comprises indicator elment, the described first direct contactor also comprises the 3rd normal opened contact, and described indicator elment is connected with described first normal opened contact parallel connection and with described DC power supply circuit with the described time relay with described the 3rd normal opened contact series connection back.
5. the precharge of automobile-used electric machine controller according to claim 4 and electric discharge device is characterized in that, described indicator elment is an indicator light.
6. the precharge of automobile-used electric machine controller according to claim 1 and electric discharge device, it is characterized in that, the precharge of described automobile-used electric machine controller and electric discharge device also comprise protective tube, and described protective tube is all connected with described first break-make point, described pre-charge resistance, described electrochemical capacitor, described second break-make point, described discharge resistance, described threeway breakpoint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205369255U CN201797355U (en) | 2010-09-20 | 2010-09-20 | Pre-charge and discharge device of vehicle motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205369255U CN201797355U (en) | 2010-09-20 | 2010-09-20 | Pre-charge and discharge device of vehicle motor controller |
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| Publication Number | Publication Date |
|---|---|
| CN201797355U true CN201797355U (en) | 2011-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205369255U Expired - Fee Related CN201797355U (en) | 2010-09-20 | 2010-09-20 | Pre-charge and discharge device of vehicle motor controller |
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| CN (1) | CN201797355U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390279A (en) * | 2011-09-21 | 2012-03-28 | 奇瑞汽车股份有限公司 | Safe control loop of electric automobile |
| CN103048938A (en) * | 2012-12-28 | 2013-04-17 | 天津市松正电动汽车技术股份有限公司 | Pre-charging system with parallel connection type relay |
| CN105539316A (en) * | 2015-12-25 | 2016-05-04 | 东风商用车有限公司 | Power on/off protection device for hybrid power motor controller and using method of power on/off protection device |
| CN109581090A (en) * | 2017-09-28 | 2019-04-05 | 比亚迪股份有限公司 | The endurance testing device and life-span test system of master control preliminary filling device |
-
2010
- 2010-09-20 CN CN2010205369255U patent/CN201797355U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390279A (en) * | 2011-09-21 | 2012-03-28 | 奇瑞汽车股份有限公司 | Safe control loop of electric automobile |
| CN103048938A (en) * | 2012-12-28 | 2013-04-17 | 天津市松正电动汽车技术股份有限公司 | Pre-charging system with parallel connection type relay |
| CN105539316A (en) * | 2015-12-25 | 2016-05-04 | 东风商用车有限公司 | Power on/off protection device for hybrid power motor controller and using method of power on/off protection device |
| CN109581090A (en) * | 2017-09-28 | 2019-04-05 | 比亚迪股份有限公司 | The endurance testing device and life-span test system of master control preliminary filling device |
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Legal Events
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| 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: 20110413 Termination date: 20170920 |
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| CF01 | Termination of patent right due to non-payment of annual fee |