CN108116231A - A kind of circuit methods of New-energy electric vehicle battery system high voltage distribution box - Google Patents
A kind of circuit methods of New-energy electric vehicle battery system high voltage distribution box Download PDFInfo
- Publication number
- CN108116231A CN108116231A CN201711379614.5A CN201711379614A CN108116231A CN 108116231 A CN108116231 A CN 108116231A CN 201711379614 A CN201711379614 A CN 201711379614A CN 108116231 A CN108116231 A CN 108116231A
- Authority
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- China
- Prior art keywords
- circuit
- control contactor
- anode
- access terminal
- evpcb
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
Abstract
The present invention is high voltage distribution box (hereinafter referred to as BDU) circuit methods in a kind of New-energy electric vehicle battery modules; BDU includes box body and box cover two parts; there are anode and cathode access terminal, output cathode and cathode access terminal, direct current charge anode and cathode access terminal, signal control connector, high voltage-small current connector and the high-low voltage integrated circuit plate (hereinafter referred to as EVPCB) being integrated comprising control system circuit, protection circuit system, current sensing system circuit and temperature alarm system circuit of battery modules on its box body；The device incoming end reserved by EVPCB is electrically connected with the device in above system, so as to fulfill power distribution circuit function.The innovative point of the present invention is to realize that structure space optimizes with high-low voltage integrated circuit plate, better than the high-tension distribution box assembled at present with copper bar or busbar, can save 30% structure space.
Description
Technical field
The invention belongs to the technical fields of New-energy electric vehicle application, are specially New-energy electric vehicle battery system high pressure
The circuit methods of block terminal.
Background technology
Country is wideling popularize New-energy electric vehicle, and market occupancy volume is being promoted year by year.High-tension distribution box is as new
The automatically controlled important component of energy electric vehicle, is increasingly taken seriously.Previous new-energy automobile high-tension distribution box, there are following
Defect：Circuit is built with copper bar or busbar, and structure space is big, and the assembly process is complicated, and efficiency is low, is not suitable for batteries of electric automobile
System；Current sense error is big；There is no temperature alarm；Main just main negative wire road contacts of contactor closure state confirms, borrows secondary touch
The folding condition of point confirms that unreasonable, there are security-hidden troubles etc..
The content of the invention
High voltage distribution box circuit implementing method in a kind of New-energy electric vehicle battery modules of the present invention, circuit are high
Low-voltage, the circuit board of current one are built, and structure space is small, simple for assembly process reliable efficient, suitable for electronic
Automotive battery system, effective guarantee product quality improve the whole anti-seismic performance of product, and the present invention uses high-precision current
Sensor IC, precision are better than used coil form current sensor, and main just main negative wire road contacts of contactor closure state confirms, directly
It is connected on its main contacts leading-out end line road to gather, accurately and reliably, improves the quality and safety of vehicle.
High voltage distribution box (hereinafter referred to as BDU) circuit in a kind of New-energy electric vehicle battery modules of the present invention is realized
Method, the BDU have box body and box cover two parts, and box cover is mounted on its box body, there is battery modules anode on the box body
Access terminal (01), battery modules cathode access terminal (02), direct current charge anode access terminal (03), direct current charge cathode connect
Enter terminal (04), output cathode access terminal (05), output negative pole access terminal (06), high voltage-small current connector (07) and letter
Number control connector (08), the box body have high-low voltage integrated circuit plate (hereinafter referred to as EVPCB) (20), comprising can bear height
The circuit of low-voltage and current, the box body have control system, include total positive line control contactor (14), total negative wire road
Control contactor (13), direct current charge anode control contactor (16), preliminary filling contactor (15), preliminary filling resistance (21) and PTC are just
Pole control contactor (17), the box body have protection system, comprising total positive line control contactor closure state supervisory circuit (C,
D), total negative wire road control contactor closure state supervisory circuit (A, B), air-conditioning fuse (12), DC/DC fuses (11), turn
To fuse (10) and PTC fuses (09), the box body has current sensing system, IC containing high precision electric current transducer (18),
The box body has temperature alarm system, containing thermistor and computing IC (19).
A kind of BDU circuit implementing methods of the present invention, it is characterized in that having reserved device installation port and institute on its EVPCB
It states the device in box body and is electrically connected assembling, so as to fulfill the electrical property of told BDU.
A kind of BDU circuit implementing methods of the present invention, it is characterized in that two of its total positive line control contactor (14) are drawn
Outlet, one end and one end, output cathode access terminal (05) and the total positive line control contactor closed form of preliminary filling resistance (21)
State supervisory circuit (C) is electrically connected, the other end and the total positive line control contactor closed form of total positive line control contactor (14)
State supervisory circuit (D), battery modules anode access terminal (01), one end of direct current charge anode control contactor (16), preliminary filling
One end of contactor (15), one end of PTC anodes control contactor (17), one end of air-conditioning fuse (12), DC/DC fuses
(11) one end and one end of steering fuse (10), the circuit for passing through EVPCB (20) are electrically connected, output cathode access terminal
(05) it is electrically connected with vehicle high voltage electric equipment anode by EV cables, battery modules anode access terminal (01) passes through EV cables
It is electrically connected with battery modules anode.
A kind of BDU circuit implementing methods of the present invention, it is characterized in that its direct current charge anode control contactor (16) is another
The input anode of one end and direct current charge anode access terminal (03) and direct-current charging post is electrically connected, preliminary filling contactor (15) it is another
One end is electrically connected with the other end of preliminary filling resistance (21), the other end and the PTC fuses (09) of PTC anodes control contactor (17)
One end, be electrically connected by the circuit of EVPCB (20), the other end of PTC fuses (09), by the circuit of EVPCB (20) and
The respective terminal of high voltage-small current connector (07), is electrically connected with the anode of PTC device.
A kind of BDU circuit implementing methods of the present invention, it is characterized in that the other end of its air-conditioning fuse (12), passes through
The circuit of EVPCB (20) and the respective terminal of high voltage-small current connector (07), are electrically connected, DC/DC with the anode of air-conditioning equipment
The other end of fuse (11), by the circuit of EVPCB (20) and the respective terminal of high voltage-small current connector (07), with DC/
The anode electrical connection of DC equipment, turns to the other end of fuse (10), is connected by the circuit of EVPCB (20) with high voltage-small current
The respective terminal of device (07), is electrically connected with the anode of turning facilities.
A kind of BDU circuit implementing methods of the present invention, it is characterized in that the cathode of the cathode of its PTC device, air-conditioning equipment,
The cathode of DC/DC equipment and the cathode of turning facilities, each other by the circuit of EVPCB (20) and high voltage-small current connector (07)
Respective terminal electrical connection, and one end with high precision electric current transducer IC (18), the one of total negative wire road control contactor (13)
End, direct current charge cathode access terminal (04) and total negative wire road control contactor closure state supervisory circuit (B), pass through EVPCB
(20) circuit electrical connection, the other end and the battery modules cathode access terminal (02) of high precision electric current transducer IC (18), leads to
The circuit electrical connection of EVPCB (20) is crossed, the other end and the total negative wire road control contactor of total negative wire road control contactor (13) close
The cathode electrical connection of conjunction state supervisory circuit (A), output negative pole access terminal (06) and vehicle high voltage electric equipment.
A kind of BDU circuit implementing methods of the present invention, it is characterized in that the positive and negative anodes of its temperature alarm system computing IC (19)
The power supply and temperature alarm of output, the driving coil E ends of total negative wire road control contactor (13) and F ends, total positive line control
Driving coil G ends and H ends, the driving coil J ends of preliminary filling contactor (15) and K ends, direct current charge anode of contactor (14) processed
It is the driving coil N-terminal of control contactor (16) and P ends, the driving coil L ends of PTC anodes control contactor (17) and M ends, high-precision
Spend the positive and negative power supply of current sensor IC (18) and signal, the total negative wire road control contactor closure state supervisory circuit of output
(A and B) and total positive line control contactor closure state supervisory circuit (C and D), passes through the circuit and letter of EVPCB (20) respectively
The corresponding port of number control connector (08), is electrically connected with BMS electric-control systems corresponding port.
Description of the drawings
Fig. 1 is the high voltage distribution box outline drawing in a kind of New-energy electric vehicle battery modules of one of the embodiment of the present invention
Fig. 2 is the high voltage distribution box layout in a kind of New-energy electric vehicle battery modules of one of the embodiment of the present invention
Attached drawing mark is entitled：(01) battery modules anode access terminal, (02) battery modules cathode access terminal, (03)
Direct current charge anode access terminal, (04) direct current charge cathode access terminal, (05) output cathode access terminal, (06) output are negative
Pole access terminal, (07) high voltage-small current connector, (08) signal control connector, (09) PTC fuses, (10) turn to fusing
Device, (11) DC/DC fuses, (12) air-conditioning fuse, (13) total negative wire road control contactor, (14) total positive line control contact
Device, (15) preliminary filling contactor, (16) direct current charge anode control contactor, (17) PTC anodes control contactor, (18) high-precision
Current sensor IC, (19) computing IC, (20) high-low voltage integrated circuit plate, (21) preliminary filling resistance, (A, B) total negative wire road control
Contactor closure state supervisory circuit, (C, D) total positive line control contactor closure state supervisory circuit, (E, F) total negative wire road
The driving coil end of control contactor (13), the driving coil end of (G, H) total positive line control contactor (14), (J, K) preliminary filling
The driving coil end of contactor (15), the driving coil end of (N, P) direct current charge anode control contactor (16), (L, M) PTC are just
The driving coil end of pole control contactor (17).
Specific implementation method
High voltage distribution box (hereinafter referred to as BDU) circuit in a kind of New-energy electric vehicle battery modules of the present invention is realized
Method, the BDU have box body and box cover two parts, and box cover is mounted on its box body, there is battery modules anode on the box body
Access terminal (01), battery modules cathode access terminal (02), direct current charge anode access terminal (03), direct current charge cathode connect
Enter terminal (04), output cathode access terminal (05), output negative pole access terminal (06), high voltage-small current connector (07) and letter
Number control connector (08), the box body have high-low voltage integrated circuit plate (hereinafter referred to as EVPCB) (20), comprising can bear height
The circuit of low-voltage and current, the box body have control system, include total positive line control contactor (14), total negative wire road
Control contactor (13), direct current charge anode control contactor (16), preliminary filling contactor (15), preliminary filling resistance (21) and PTC are just
Pole control contactor (17), the box body have protection system, comprising total positive line control contactor closure state supervisory circuit (C,
D), total negative wire road control contactor closure state supervisory circuit (A, B), air-conditioning fuse (12), DC/DC fuses (11), turn
To fuse (10) and PTC fuses (09), the box body has current sensing system, IC containing high precision electric current transducer (18),
The box body has temperature alarm system, containing thermistor and computing IC (19).
A kind of BDU circuit implementing methods of the present invention, it is characterized in that having reserved device installation port and institute on its EVPCB
It states the device in box body and is electrically connected assembling, so as to fulfill the electrical property of told BDU.
A kind of BDU circuit implementing methods of the present invention, it is characterized in that two of its total positive line control contactor (14) are drawn
Outlet, one end and one end, output cathode access terminal (05) and the total positive line control contactor closed form of preliminary filling resistance (21)
State supervisory circuit (C) is electrically connected, the other end and the total positive line control contactor closed form of total positive line control contactor (14)
State supervisory circuit (D), battery modules anode access terminal (01), one end of direct current charge anode control contactor (16), preliminary filling
One end of contactor (15), one end of PTC anodes control contactor (17), one end of air-conditioning fuse (12), DC/DC fuses
(11) one end and one end of steering fuse (10), the circuit for passing through EVPCB (20) are electrically connected, output cathode access terminal
(05) it is electrically connected with vehicle high voltage electric equipment anode by EV cables, battery modules anode access terminal (01) passes through EV cables
It is electrically connected with battery modules anode.
A kind of BDU circuit implementing methods of the present invention, it is characterized in that its direct current charge anode control contactor (16) is another
The input anode of one end and direct current charge anode access terminal (03) and direct-current charging post is electrically connected, preliminary filling contactor (15) it is another
One end is electrically connected with the other end of preliminary filling resistance (21), the other end and the PTC fuses (09) of PTC anodes control contactor (17)
One end, be electrically connected by the circuit of EVPCB (20), the other end of PTC fuses (09), by the circuit of EVPCB (20) and
The respective terminal of high voltage-small current connector (07), is electrically connected with the anode of PTC device.
A kind of BDU circuit implementing methods of the present invention, it is characterized in that the other end of its air-conditioning fuse (12), passes through
The circuit of EVPCB (20) and the respective terminal of high voltage-small current connector (07), are electrically connected, DC/DC with the anode of air-conditioning equipment
The other end of fuse (11), by the circuit of EVPCB (20) and the respective terminal of high voltage-small current connector (07), with DC/
The anode electrical connection of DC equipment, turns to the other end of fuse (10), is connected by the circuit of EVPCB (20) with high voltage-small current
The respective terminal of device (07), is electrically connected with the anode of turning facilities.
A kind of BDU circuit implementing methods of the present invention, it is characterized in that the cathode of the cathode of its PTC device, air-conditioning equipment,
The cathode of DC/DC equipment and the cathode of turning facilities, each other by the circuit of EVPCB (20) and high voltage-small current connector (07)
Respective terminal electrical connection, and one end with high precision electric current transducer IC (18), the one of total negative wire road control contactor (13)
End, direct current charge cathode access terminal (04) and total negative wire road control contactor closure state supervisory circuit (B), pass through EVPCB
(20) circuit electrical connection, the other end and the battery modules cathode access terminal (02) of high precision electric current transducer IC (18), leads to
The circuit electrical connection of EVPCB (20) is crossed, the other end and the total negative wire road control contactor of total negative wire road control contactor (13) close
The cathode electrical connection of conjunction state supervisory circuit (A), output negative pole access terminal (06) and vehicle high voltage electric equipment.
A kind of BDU circuit implementing methods of the present invention, it is characterized in that the positive and negative anodes of its temperature alarm system computing IC (19)
The power supply and temperature alarm of output, the driving coil E ends of total negative wire road control contactor (13) and F ends, total positive line control
Driving coil G ends and H ends, the driving coil J ends of preliminary filling contactor (15) and K ends, direct current charge anode of contactor (14) processed
It is the driving coil N-terminal of control contactor (16) and P ends, the driving coil L ends of PTC anodes control contactor (17) and M ends, high-precision
Spend the positive and negative power supply of current sensor IC (18) and signal, the total negative wire road control contactor closure state supervisory circuit of output
(A and B) and total positive line control contactor closure state supervisory circuit (C and D), passes through the circuit and letter of EVPCB (20) respectively
The corresponding port of number control connector (08), is electrically connected with BMS electric-control systems corresponding port.
Claims (7)
1. high voltage distribution box (hereinafter referred to as BDU) circuit implementing method in a kind of New-energy electric vehicle battery modules, BDU have
Box body and box cover two parts, box cover are mounted on its box body, have battery modules anode to access terminal (01), electricity on the box body
Pond module cathode access terminal (02), direct current charge anode access terminal (03), direct current charge cathode access terminal (04), output
Anode access terminal (05), output negative pole access terminal (06), high voltage-small current connector (07) and signal control connector
(08), the box body has high-low voltage integrated circuit plate (hereinafter referred to as EVPCB) (20), comprising can bear high-low voltage and size
The circuit of electric current, the box body have control system, include total positive line control contactor (14), total negative wire road control contactor
(13), direct current charge anode control contactor (16), preliminary filling contactor (15), preliminary filling resistance (21) and the control contact of PTC anodes
Device (17), the box body have protection system, include total positive line control contactor closure state supervisory circuit (C, D), total negative wire
Road control contactor closure state supervisory circuit (A, B), air-conditioning fuse (12), DC/DC fuses (11), steering fuse
(10) and PTC fuses (09), the box body have current sensing system, IC containing high precision electric current transducer (18), the box body
There is temperature alarm system, containing thermistor and computing IC (19).
2. BDU described in claim 1, it is characterized in that having on its EVPCB in reserved device installation port and the box body
Device is electrically connected assembling, so as to fulfill the electrical property of told BDU.
3. BDU described in claim 1, it is characterized in that two exits of its total positive line control contactor (14), one end with
One end, output cathode access terminal (05) and the total positive line control contactor closure state supervisory circuit of preliminary filling resistance (21)
(C) it is electrically connected, the other end of total positive line control contactor (14) and total positive line control contactor closure state supervisory circuit
(D), battery modules anode access terminal (01), one end of direct current charge anode control contactor (16), preliminary filling contactor (15)
One end, one end of PTC anodes control contactor (17), one end of air-conditioning fuse (12), one end of DC/DC fuses (11)
With the one end for turning to fuse (10), it is electrically connected by the circuit of EVPCB (20), output cathode access terminal (05) is high with vehicle
Pressure electrical equipment anode is electrically connected by EV cables, battery modules anode access terminal (01) by EV cables and battery modules just
Pole is electrically connected.
4. BDU described in claim 1, it is characterized in that the other end and direct current of its direct current charge anode control contactor (16) are fast
Fill the input anode electrical connection of anode access terminal (03) and direct-current charging post, the other end of preliminary filling contactor (15) and precharge
The other end electrical connection of (21), the other end of PTC anodes control contactor (17) and one end of PTC fuses (09) are hindered, is passed through
The circuit electrical connection of EVPCB (20), the other end of PTC fuses (09) are connected by the circuit and high voltage-small current of EVPCB (20)
The respective terminal of device (07) is connect, is electrically connected with the anode of PTC device.
5. BDU described in claim 1, it is characterized in that the other end of its air-conditioning fuse (12), passes through the circuit of EVPCB (20)
With the respective terminal of high voltage-small current connector (07), be electrically connected with the anode of air-conditioning equipment, DC/DC fuses (11) it is another
End, by the circuit of EVPCB (20) and the respective terminal of high voltage-small current connector (07), is electrically connected with the anode of DC/DC equipment
It connects, turns to the other end of fuse (10), pass through the circuit of EVPCB (20) and the respective end of high voltage-small current connector (07)
Son is electrically connected with the anode of turning facilities.
6. BDU described in claim 1, it is characterized in that the cathode of the cathode of its PTC device, air-conditioning equipment, DC/DC equipment is negative
Pole and the cathode of turning facilities pass through the circuit of EVPCB (20) and the respective terminal of high voltage-small current connector (07), mutually electricity
Connection, and one end with high precision electric current transducer IC (18), one end of total negative wire road control contactor (13), direct current charge are born
Pole access terminal (04) and total negative wire road control contactor closure state supervisory circuit (B), are electrically connected by the circuit of EVPCB (20)
It connects, the other end and the battery modules cathode access terminal (02) of high precision electric current transducer IC (18) pass through the line of EVPCB (20)
Road is electrically connected, the other end of total negative wire road control contactor (13) and total negative wire road control contactor closure state supervisory circuit
(A), output negative pole access terminal (06) and the electrical connection of the cathode of vehicle high voltage electric equipment.
7. BDU described in claim 1, it is characterized in that the positive and negative power supply of its temperature alarm system computing IC (19) and output
Temperature alarm, the driving coil E ends of total negative wire road control contactor (13) and F ends, total positive line control contactor (14)
Driving coil G ends and H ends, the driving coil J ends of preliminary filling contactor (15) and K ends, direct current charge anode control contactor
(16) driving coil N-terminal and P ends, the driving coil L ends of PTC anodes control contactor (17) and M ends, high-precision current sensing
The positive and negative power supply of device IC (18) and the signal of output, total negative wire road control contactor closure state supervisory circuit (A and B) and total
Positive line control contactor closure state supervisory circuit (C and D) controls connection by the circuit and signal of EVPCB (20) respectively
The corresponding port of device (08) is electrically connected with BMS electric-control systems corresponding port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711379614.5A CN108116231A (en) | 2017-12-20 | 2017-12-20 | A kind of circuit methods of New-energy electric vehicle battery system high voltage distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711379614.5A CN108116231A (en) | 2017-12-20 | 2017-12-20 | A kind of circuit methods of New-energy electric vehicle battery system high voltage distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108116231A true CN108116231A (en) | 2018-06-05 |
Family
ID=62229628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711379614.5A Pending CN108116231A (en) | 2017-12-20 | 2017-12-20 | A kind of circuit methods of New-energy electric vehicle battery system high voltage distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108116231A (en) |
Cited By (4)
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| CN109823178A (en) * | 2019-01-08 | 2019-05-31 | 华为技术有限公司 | A kind of distribution box and electric car |
| CN111430650A (en) * | 2019-11-22 | 2020-07-17 | 蜂巢能源科技有限公司 | Battery pack and vehicle |
| CN111987372A (en) * | 2020-07-21 | 2020-11-24 | 威睿电动汽车技术(宁波)有限公司 | Battery pack circuit breaking unit structure of electric automobile and vehicle |
| CN113013955A (en) * | 2021-04-09 | 2021-06-22 | 武汉中原长江科技发展有限公司 | Airborne power supply mounting frame with protection circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109823178A (en) * | 2019-01-08 | 2019-05-31 | 华为技术有限公司 | A kind of distribution box and electric car |
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| JP7190581B2 (en) | 2019-01-08 | 2022-12-15 | ファーウェイ デジタル パワー テクノロジーズ カンパニー リミテッド | Distribution box and electric vehicle |
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| CN111987372A (en) * | 2020-07-21 | 2020-11-24 | 威睿电动汽车技术(宁波)有限公司 | Battery pack circuit breaking unit structure of electric automobile and vehicle |
| CN111987372B (en) * | 2020-07-21 | 2024-03-26 | 威睿电动汽车技术(宁波)有限公司 | Battery pack circuit breaking unit structure of electric automobile and vehicle |
| CN113013955A (en) * | 2021-04-09 | 2021-06-22 | 武汉中原长江科技发展有限公司 | Airborne power supply mounting frame with protection circuit |
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Application publication date: 20180605 |
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