CN205377032U - A controlling means for automobile -used high voltage distributor box - Google Patents
A controlling means for automobile -used high voltage distributor box Download PDFInfo
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- CN205377032U CN205377032U CN201520920900.8U CN201520920900U CN205377032U CN 205377032 U CN205377032 U CN 205377032U CN 201520920900 U CN201520920900 U CN 201520920900U CN 205377032 U CN205377032 U CN 205377032U
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Abstract
The utility model relates to a be applicable to the automobile -used high voltage distributor box's of new forms of energy vehicle controlling means. The utility model discloses a main control chip U1, acquisition circuit, detection circuitry, the communication circuit, control circuit and data storage circuit, acquisition circuit, detection circuitry, the communication circuit, control circuit and data storage circuit are connected with main control chip U1 respectively, detection circuitry monitors high voltage distributor box's running state, the signal of collecting is through control circuit output control signal behind algorithm processing, wherein acquisition circuit includes analog signal acquisition circuit and switching value signal acquisition circuit, the communication circuit includes the CAN bus communication circuit, control circuit includes output signal drive circuit. The utility model discloses can carry out intelligent monitoring and control to automobile -used high voltage distributor box, improve the safety in utilization, supplementary driver safe driving.
Description
Technical field
This utility model belongs to automobile-used high-tension distribution box technical field, particularly the control device of a kind of automobile-used high-tension distribution box suitable in new energy vehicle.
Background technology
Along with the growing tension of fossil energy, the importance of new-energy automobile highlights, and its research and development are also affected by increasing concern with application.New-energy automobile refers to that the unconventional vehicle fuel of employing is as power resources, or use conventional vehicle fuel, adopt the vehicle of novel on-vehicle power set, new-energy automobile to achieve few use, without Fossil fuel, reduce the dependency to Fossil fuel.Current new-energy automobile includes gas combustion automobile (liquefied natural gas, compressed natural gas), FC-EV, pure electric automobile, liquefied petroleum gas automobile, hydrogen-powered vehicles, hybrid vehicle (air-fuel mixture, oil electricity mixing), solar telephone and other new forms of energy (such as high-efficiency energy-storage device) automobile etc., its discharge amount of exhaust gas is relatively low, conforms better to environmental protection needs.
Power distribution cabinet is the core component of automobile, and the power system of automobile is controlled.The high voltage power distributing cabinet existed on the market at present mostly continues to use the design concept of industry high-tension distribution box, and its safety, reliability and durability all can not meet the requirement of automobile.Traditional high voltage power distributing cabinet completes the control of power distribution cabinet internal high pressure catalyst by external control unit outside (such as entire car controller), cannot to the pre-charge state within power distribution cabinet, the contacts status of each high voltage connector, the operating current of each high-tension circuit load, power distribution cabinet internal temperature, the running status of whole power distribution cabinet system accomplishes real-time monitoring and judgement.If high power capacitive load preliminary filling is insufficient, the dash current of catalyst connection moment can damage the contact of high voltage connector, causes contact to be burnt or adhesion, directly affects the power distribution cabinet performance when normal use or function.The automobile-used high voltage power distributing cabinet of majority in the market all adopts the framework that control unit (entire car controller) and controlled cell (high voltage connector) separate, whether the contact that cannot collect high voltage connector exactly exists Guan Bi or disconnects the state lost efficacy, if cannot judge whether contacts of contactor exists Guan Bi or disconnection was lost efficacy and can not be taked again effective treatment measures timely exactly, the lighter can occur high-voltage electric system can not realize the situation of normal control, and severe one jeopardizes vehicle and personal safety possibly even causes serious accident.
Summary of the invention
The purpose of this utility model is cannot the weak point of effective status monitoring and control in real time for existing automobile-used power distribution cabinet, it is provided that a kind of control device for automobile-used high-tension distribution box.
The purpose of this utility model can be realized by following technical proposal: a kind of control device for automobile-used high-tension distribution box, and this control device being used for automobile-used high-tension distribution box includes main control chip U1, Acquisition Circuit, testing circuit, communicating circuit, control circuit and data storage circuitry, Acquisition Circuit, testing circuit, communicating circuit, control circuit and data storage circuitry respectively with main control chip U1It is connected, the running status of high-tension distribution box is monitored by testing circuit, the signal collected exports control signal by control circuit after algorithm process, wherein Acquisition Circuit includes analog signals Acquisition Circuit and on-off model Acquisition Circuit, communicating circuit includes CAN communicating circuit, control circuit includes output signal driver circuit, on-off model gathers signal and includes main circuit interlocking signal, catalyst feedback signal etc., and analog signals gathers signal and includes electrokinetic cell voltage, load current, temperature signal etc.；CAN communicating circuit gathers signal and includes electrokinetic cell dump energy, insulating properties etc.；Output signal driver circuit drives and controls main contactor and each control contactor etc..
Described a kind of in the control device of automobile-used high-tension distribution box, described testing circuit includes current detection circuit, voltage detecting circuit, catalyst testing circuit, insulation detecting circuit and temperature sensing circuit, and current detection circuit, voltage detecting circuit, catalyst testing circuit, insulation detecting circuit and temperature sensing circuit are all connected to main control chip U1。
Described a kind of in the control device of automobile-used high-tension distribution box, described on-off model Acquisition Circuit includes on-off model acquisition chip U2, resistance one R1With resistance two R2, wherein, main control chip U128 feet and on-off model acquisition chip U29 feet be connected, main control chip U143 feet and on-off model acquisition chip U22 feet be connected, main control chip U144 feet and on-off model acquisition chip U21 foot be connected, on-off model acquisition chip U211 feet and resistance one R1One end, resistance two R2One end connect, resistance one R1The other end be on-off model input, resistance two R2Other end ground connection.
Described a kind of in the control device of automobile-used high-tension distribution box, described analog signals Acquisition Circuit includes resistance three R3, resistance four R4, resistance five R5, electric capacity one C1, electric capacity two C2With diode one D1, wherein, diode one D1Adopt bilateral diode, electric capacity two C2One end, resistance four R4One end, diode one D13 feet be all connected to main control chip U115 feet, diode one D12 feet connect with positive source, diode one D11 foot, resistance five R5One end, electric capacity one C1One end connect and ground connection, resistance four R4The other end, resistance five R5The other end, electric capacity one C1The other end, resistance three R3One end connect and with analog signals input be connected, resistance three R3The other end connect with positive source.
Described a kind of in the control device of automobile-used high-tension distribution box, described data storage circuitry includes pin-saving chip U3, main control chip U145 feet and pin-saving chip U34 feet connect, main control chip U146 feet and pin-saving chip U33 feet connect, main control chip U147 feet and pin-saving chip U32 feet connect, main control chip U148 feet and pin-saving chip U31 foot connect.
Described a kind of in the control device of automobile-used high-tension distribution box, described CAN communicating circuit includes CAN communication chip U4, resistance six R6, resistance seven R7, resistance eight R8, electric capacity three C3, electric capacity four C4With diode two D2, wherein, diode two D2Adopt double diode, main control chip U135 feet and CAN communication chip U41 foot connect, main control chip U136 feet and CAN communication chip U44 feet connect, main control chip U134 feet and CAN communication chip U48 feet connect, CAN communication chip U46 feet and resistance six R6One end connect, resistance six R6The other end and electric capacity four C4One end, resistance eight R8One end, diode two D21 foot connect and be connected to the H end of CAN, electric capacity four C4Other end ground connection；CAN communication chip U47 feet and resistance seven R7One end connect, resistance seven R7The other end and electric capacity three C3One end, diode two D22 feet connect and be connected to the L end of CAN, electric capacity three C3Other end ground connection, diode two D23 foot ground connection.
Described a kind of in the control device of automobile-used high-tension distribution box, described output signal driver circuit includes catalyst and drives power chip U5, diode three D3With diode four D4, wherein, main control chip U125 feet and catalyst drive power chip U52 feet connect, main control chip U126 feet and catalyst drive power chip U56 feet connect, catalyst drive power chip U512 feet and diode three D3Negative pole connect and be connected to catalyst signal input part, diode three D3Plus earth；Catalyst drives power chip U59 feet and diode four D4Negative pole connect and be connected to catalyst signal input part, diode four D4Plus earth.
This utility model is applied on the high voltage control case of vehicle, it is possible to the parameters such as the voltage of high voltage control case, electric current, temperature and circuit ruuning situation are carried out real-time Detection & Controling, sends alarm and reminding human pilot when parameter drift-out setting value；This utility model also has and before charging circuital current is detected, it is to avoid the excessive damage equipment of charging transient electric current, is particularly suitable for the high-tension distribution box on new energy vehicle and uses.
Automobile-used high-tension distribution box can be carried out intellectual monitoring and control by this utility model, improves safety in utilization, auxiliary driver safety driving.
Accompanying drawing explanation
Fig. 1 is a kind of circuit block diagram controlling device for automobile-used high-tension distribution box of this utility model.
Fig. 2 is the on-off model Acquisition Circuit figure in this utility model circuit.
Fig. 3 is the analog signals Acquisition Circuit figure in this utility model circuit.
Fig. 4 is the data storage circuitry figure in this utility model circuit.
Fig. 5 is the CAN communicating circuit figure in this utility model circuit.
Fig. 6 is the output signal driver circuit figure in this utility model circuit.
Fig. 7 is the schematic diagram that this utility model runs.
In accompanying drawing 1～7,1 represents on-off model Acquisition Circuit；2 represent analog signals Acquisition Circuit；3 represent data storage circuitry；4 represent CAN communicating circuit；5 represent output signal driver circuit.
U1Represent main control chip；U2Represent on-off model acquisition chip；U3Represent pin-saving chip；U4Represent CAN communication chip；U5Represent that catalyst drives power chip；D1～D4Represent diode one～diode four；R1～R8Represent resistance one～resistance eight；C1～C4Represent electric capacity one～electric capacity four.
Detailed description of the invention
Below against accompanying drawing, by embodiment, the utility model is described in further detail.
With reference to accompanying drawing 1～7, a kind of control device for automobile-used high-tension distribution box, this control device being used for automobile-used high-tension distribution box includes main control chip U1, Acquisition Circuit, testing circuit, communicating circuit, control circuit and data storage circuitry 3, wherein testing circuit includes analog signals Acquisition Circuit 2 and on-off model Acquisition Circuit 1, communicating circuit includes CAN communicating circuit 4, control circuit includes output signal driver circuit 5, on-off model Acquisition Circuit 1, analog signals Acquisition Circuit 2, data storage circuitry 3, CAN communicating circuit 4 and output signal driver circuit 5 all with main control chip U1It is connected, the running status of high-tension distribution box is monitored and collects signal by testing circuit, the signal collected exports control signal by control circuit after algorithm process, on-off model gathers signal and includes main circuit interlocking signal, catalyst feedback signal, and analog signals gathers signal and includes electrokinetic cell voltage, load current, temperature signal；CAN communicating circuit gathers signal and includes electrokinetic cell dump energy, insulating properties；Output signal driver circuit drives and controls main contactor and each control contactor；Described testing circuit includes current detection circuit, voltage detecting circuit, catalyst testing circuit, insulation detecting circuit and temperature sensing circuit, and current detection circuit, voltage detecting circuit, catalyst testing circuit, insulation detecting circuit and temperature sensing circuit are all connected to main control chip U1。
Described on-off model Acquisition Circuit 1 includes on-off model acquisition chip U2, resistance one R1With resistance two R2, wherein, main control chip U128 feet and on-off model acquisition chip U29 feet be connected, main control chip U143 feet and on-off model acquisition chip U22 feet be connected, main control chip U144 feet and on-off model acquisition chip U21 foot be connected, on-off model acquisition chip U211 feet and resistance one R1One end, resistance two R2One end connect, on-off model input is to resistance one R1The other end, resistance two R2Other end ground connection.
Described analog signals Acquisition Circuit 2 includes resistance three R3, resistance four R4, resistance five R5, electric capacity one C1, electric capacity two C2With diode one D1, wherein, diode one D1Adopt bilateral diode, electric capacity two C2One end, resistance four R4One end, diode one D13 feet be all connected to main control chip U115 feet, diode one D12 feet connect with positive source, diode one D11 foot, resistance five R5One end, electric capacity one C1One end connect and ground connection, resistance four R4The other end, resistance five R5The other end, electric capacity one C1The other end, resistance three R3One end connect and with analog signals input be connected, resistance three R3The other end connect with positive source.
Described data storage circuitry 3 includes pin-saving chip U3, main control chip U145 feet and pin-saving chip U34 feet connect, main control chip U146 feet and pin-saving chip U33 feet connect, main control chip U147 feet and pin-saving chip U32 feet connect, main control chip U148 feet and pin-saving chip U31 foot connect.
Described CAN communicating circuit 4 includes CAN communication chip U4, resistance six R6, resistance seven R7, resistance eight R8, electric capacity three C3, electric capacity four C4With diode two D2, wherein, diode two D2Adopt double diode, main control chip U135 feet and CAN communication chip U41 foot connect, main control chip U136 feet and CAN communication chip U44 feet connect, main control chip U134 feet and CAN communication chip U48 feet connect, CAN communication chip U46 feet and resistance six R6One end connect, resistance six R6The other end and electric capacity four C4One end, resistance eight R8One end, diode two D21 foot connect and be connected to the H end of CAN, electric capacity four C4Other end ground connection；CAN communication chip U47 feet and resistance seven R7One end connect, resistance seven R7The other end and electric capacity three C3One end, diode two D22 feet connect and be connected to the L end of CAN, electric capacity three C3Other end ground connection, diode two D23 foot ground connection.
Described output signal driver circuit 5 includes catalyst and drives power chip U5, diode three D3With diode four D4, wherein, main control chip U125 feet and catalyst drive power chip U52 feet connect, main control chip U126 feet and catalyst drive power chip U56 feet connect, catalyst drive power chip U512 feet and diode three D3Negative pole connect and be connected to catalyst signal input part, diode three D3Plus earth；Catalyst drives power chip U59 feet and diode four D4Negative pole connect and be connected to catalyst signal input part, diode four D4Plus earth.
During use, the signal that vehicle produces in running is collected and is transmitted by analog signals Acquisition Circuit 2, switch quantity acquisition circuit 1 and CAN communicating circuit to main control chip U1, export control signal after treatment, the control of the tentaculum that achieved a butt joint by output signal driver circuit 5 and CAN communicating circuit.
Claims (2)
1. the control device for automobile-used high-tension distribution box, it is characterised in that this control device being used for automobile-used high-tension distribution box includes main control chip U1, Acquisition Circuit, testing circuit, communicating circuit, control circuit and data storage circuitry, Acquisition Circuit, testing circuit, communicating circuit, control circuit and data storage circuitry respectively with main control chip U1Being connected, Acquisition Circuit includes analog signals Acquisition Circuit and on-off model Acquisition Circuit, and communicating circuit includes CAN communicating circuit, and control circuit includes output signal driver circuit.
2. a kind of control device for automobile-used high-tension distribution box according to claim 1, it is characterized in that described testing circuit includes current detection circuit, voltage detecting circuit, catalyst testing circuit, insulation detecting circuit and temperature sensing circuit, current detection circuit, voltage detecting circuit, catalyst testing circuit, insulation detecting circuit and temperature sensing circuit are all connected to main control chip U1。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520920900.8U CN205377032U (en) | 2015-11-18 | 2015-11-18 | A controlling means for automobile -used high voltage distributor box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520920900.8U CN205377032U (en) | 2015-11-18 | 2015-11-18 | A controlling means for automobile -used high voltage distributor box |
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| CN205377032U true CN205377032U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520920900.8U Active CN205377032U (en) | 2015-11-18 | 2015-11-18 | A controlling means for automobile -used high voltage distributor box |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105281211A (en) * | 2015-11-18 | 2016-01-27 | 浙江中科正方电子技术有限公司 | A control device for a vehicle high-tension distribution box |
| CN109032030A (en) * | 2018-08-16 | 2018-12-18 | 株洲联诚集团控股股份有限公司 | A kind of overlength trackless bus high-voltaghe compartment and auxiliary converter cabinet monitor system and method |
| CN109986966A (en) * | 2017-12-28 | 2019-07-09 | 长沙市比亚迪汽车有限公司 | The monitoring system of electric car and its high-tension distribution box, monitoring method |
-
2015
- 2015-11-18 CN CN201520920900.8U patent/CN205377032U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105281211A (en) * | 2015-11-18 | 2016-01-27 | 浙江中科正方电子技术有限公司 | A control device for a vehicle high-tension distribution box |
| CN109986966A (en) * | 2017-12-28 | 2019-07-09 | 长沙市比亚迪汽车有限公司 | The monitoring system of electric car and its high-tension distribution box, monitoring method |
| CN109032030A (en) * | 2018-08-16 | 2018-12-18 | 株洲联诚集团控股股份有限公司 | A kind of overlength trackless bus high-voltaghe compartment and auxiliary converter cabinet monitor system and method |
| CN109032030B (en) * | 2018-08-16 | 2024-04-09 | 株洲联诚集团控股股份有限公司 | Monitoring system and method for super-long trackless bus high-voltage box and auxiliary converter cabinet |
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