CN109624713B - Integrated small three-electric system of pure electric automobile - Google Patents
Integrated small three-electric system of pure electric automobile Download PDFInfo
- Publication number
- CN109624713B CN109624713B CN201811624948.9A CN201811624948A CN109624713B CN 109624713 B CN109624713 B CN 109624713B CN 201811624948 A CN201811624948 A CN 201811624948A CN 109624713 B CN109624713 B CN 109624713B
- Authority
- CN
- China
- Prior art keywords
- main body
- distribution box
- voltage distribution
- input port
- water jacket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000009826 distribution Methods 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000000498 cooling water Substances 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
The invention relates to a small three-electric system of a pure electric vehicle, in particular to an integrated small three-electric system of the pure electric vehicle; the technical problems of large occupied space, complex circuit, complex structure of a water circulation cooling system and uneven heat dissipation of the existing small three-electric system of the pure electric vehicle are solved. An integrated small three-electric system of a pure electric vehicle comprises a water-cooling diversion box body, a high-voltage distribution box, a DC/DC direct-current-to-direct-current motor and a vehicle-mounted charger; the water-cooling diversion box body comprises a main body, an upper end cover and a lower end cover which are respectively and hermetically connected to two ends of the main body, and an installation seat connected to the side wall of the main body; the main body comprises a water jacket and three chambers which are communicated with each other, and a high-voltage distribution box, a DC/DC direct-current-to-direct-current motor and a vehicle-mounted charger are respectively arranged in the three chambers; the water jacket comprises a peripheral water jacket arranged between the three chambers and the side wall of the main body and an internal water jacket arranged between the three chambers; the peripheral water jacket is communicated with the inner water jacket; the inlet of the water jacket is connected with the cooling water inlet pipe, and the outlet is connected with the cooling water outlet pipe.
Description
Technical Field
The invention relates to a small three-electric system of a pure electric vehicle, in particular to an integrated small three-electric system of a pure electric vehicle.
Background
The small three-electric system of the pure electric vehicle comprises a high-voltage distribution box, a DC/DC direct-current to direct-current motor and a vehicle-mounted charger. The high-voltage distribution box, namely a high-voltage power distribution unit, is connected with the power battery, the motor controller, the frequency converter and the like. The DC/DC direct current to direct current motor is a converter which converts a certain direct current power supply voltage into any direct current voltage and provides required electric power for power steering systems, air conditioners and other auxiliary equipment. The vehicle-mounted charger is an electric energy conversion unit which is fixedly arranged on the electric automobile and used for controlling and adjusting the charging of the storage battery.
The existing small three-electric system of the pure electric vehicle is an independent small three-electric system, namely, the small three-electric system comprises an independent high-voltage distribution box, a DC/DC direct-current-to-direct-current motor and a vehicle-mounted charger, and the technical problems of large arrangement space requirement, complex circuit, complex structure of a water circulation cooling system and uneven heat dissipation exist.
Disclosure of Invention
The invention provides an integrated small three-electric system of a pure electric vehicle, which aims to solve the technical problems of large occupied space, complex circuit, complex structure of a water circulation cooling system and uneven heat dissipation of the existing small three-electric system of the pure electric vehicle.
The technical scheme of the invention is as follows:
the utility model provides a little three electric system of pure electric vehicles integrated form which characterized in that:
the device comprises a water-cooling diversion box body, a high-voltage distribution box, a DC/DC direct-current-to-direct-current motor and a vehicle-mounted charger;
the water-cooling diversion box body comprises a main body, an upper end cover and a lower end cover which are respectively and hermetically connected to two ends of the main body, and a mounting seat connected to the side wall of the main body;
the main body comprises a water jacket and three chambers which are communicated with each other, and a high-voltage distribution box, a DC/DC direct-current-to-direct-current motor and a vehicle-mounted charger are respectively arranged in the three chambers;
the water jacket comprises a peripheral water jacket arranged between the three chambers and the side wall of the main body and an internal water jacket arranged between the three chambers; the peripheral water jacket is communicated with the inner water jacket; the inlet of the water jacket is connected with a cooling water inlet pipe, and the outlet of the water jacket is connected with a cooling water outlet pipe; the cooling water inlet pipe and the cooling water outlet pipe are both arranged on the side wall of the main body.
Further, for convenience of external connection, the cooling water inlet pipe and the cooling water outlet pipe are fixed to the same side wall of the main body and are positioned on the same horizontal line.
Further, the DC/DC direct current-to-direct current motor and the vehicle-mounted charger are arranged side by side with the high-voltage distribution box, and the DC/DC direct current-to-direct current motor is positioned above the vehicle-mounted charger;
the high-voltage distribution box, the DC/DC direct current-to-direct current motor, the vehicle-mounted charger and the corresponding side walls of the cavity are filled with fixed insulating glue.
Further, the high-voltage distribution box comprises an internal input port, an internal output port, an external input port and an external input port;
the output end of the vehicle-mounted charger is electrically connected with the internal input port of the high-voltage distribution box, and the input end of the vehicle-mounted charger is arranged on the side wall of one side of the main body, which is close to the high-voltage distribution box;
the internal output port of the high-voltage distribution box is electrically connected with the input end of the DC/DC-DC motor; the external input port and the external input port of the high-voltage distribution box are arranged on the side wall of the main body, which is close to one side of the high-voltage distribution box;
the output end of the DC/DC direct current-to-direct current motor is arranged on the side wall of the main body, which is close to one side of the DC/DC direct current-to-direct current motor;
the external input port of the high-voltage distribution box comprises a high-voltage battery positive electrode input port, a high-voltage battery negative electrode input port, a direct-current rapid charging power supply positive electrode input port and a low-voltage signal switching input port;
the external output end of the high-voltage distribution box comprises an A/C output connection port of an air conditioner compressor and a PTC output connection port of a warm air core body;
the output end of the DC/DC direct current-to-direct current motor comprises a first DC positive electrode output port and a second DC positive electrode output port;
the input end of the vehicle-mounted charger is an alternating-current slow charging input port.
Further, the body is cast for ease of processing and lower cost.
Further, for the purpose of reliable connection, the three chambers are connected through at least one rib plate respectively.
Further, the three chambers are connected through a rib plate respectively.
Further, the number of the mounting seats is four, and the mounting seats are all connected to the main body through bolts.
Further, the main body and the upper end cover are sealed by a 'mouth' -shaped sealing ring.
Compared with the prior art, the invention has the beneficial effects that:
1. the integrated high-voltage distribution box, the DC/DC direct current-to-direct current motor and the vehicle-mounted charger are integrated in the water-cooling diversion box body, so that the arrangement is compact, external connecting wires among the three are saved, and the safety and the reliability are improved; the invention adopts the water jackets arranged between the side wall of the box body and the cavity and between the cavity to carry out water circulation cooling, has simple arrangement (only water inlet and outlet pipes are needed), and has even and sufficient heat dissipation.
2. The invention shortens the wiring distance, and is provided with the upper end cover, so that the maintenance is simple and the manufacturing cost is low.
3. The invention has small volume and convenient installation.
4. The cooling water inlet pipe and the cooling water outlet pipe are fixed on the same side wall of the main body and positioned on the same horizontal line, so that the cooling water inlet pipe and the cooling water outlet pipe are more convenient to connect with the outside.
5. The main body of the invention is a casting, so that the processing is more convenient and the cost is lower.
6. The three chambers are connected through the rib plates respectively, so that the connection is more reliable.
Drawings
FIG. 1 is a schematic diagram of the structure of an embodiment of the present invention;
fig. 2 is a front view of the embodiment;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a B-B cross-sectional view of FIG. 2;
FIG. 5 is a left side view of the embodiment;
the reference numerals in the drawings are: 1-a main body, 101-a water jacket, 102-a peripheral water jacket, 103-an internal water jacket, 104-a cooling water inlet pipe, 105-a cooling water outlet pipe, 106-a rib plate, 2-an upper end cover, 3-a mounting seat, 4-a high-voltage distribution box, 401-a positive electrode input port of a high-voltage battery, 402-a negative electrode input port of the high-voltage battery, 403-a negative electrode input port of a direct-current rapid charging power supply, 404-a positive electrode input port of the direct-current rapid charging power supply, 405-an A/C output connection port of an air conditioner compressor, 406-a PTC output connection port of a warm air core body and 407-a low-voltage signal transfer input port; the device comprises a 5-DC/DC direct current-to-direct current motor, a 501-first DC positive electrode output port, a 502-second DC positive electrode output port, a 6-vehicle-mounted charger, a 601-alternating current slow charging input port and a 7-lower end cover.
Detailed Description
The invention is further described below with reference to the accompanying drawings and specific examples.
Referring to fig. 3, the integrated small three-electric system comprises a water-cooling diversion box body, a high-voltage distribution box 4, a DC/DC direct-current to direct-current motor 5 and a vehicle-mounted charger 6.
The water-cooling diversion box body comprises a main body 1, an upper end cover 2 and a lower end cover 7 which are respectively connected to the upper part of the main body 1 in a sealing way, and an installation seat 3 which is connected to the side wall of the main body 1. The main body 1 and the lower end cover 7 may be an integral piece or a separate piece. The main body 1 and the upper end cover 2 are sealed by a 'mouth' -shaped sealing ring.
The number of the mounting seats 3 is four, one end of the mounting seats is connected to the main body 1, and the other end of the mounting seats is connected to the seat bottom of the cab.
In the embodiment, the main body 1 is a casting and comprises a water jacket 101 and three mutually communicated chambers, and the three chambers are respectively connected through a rib plate 106; the chamber and the outer wall of the main body are integrated, and a high-voltage distribution box 4, a DC/DC direct-current-to-direct-current motor 5 and a vehicle-mounted charger 6 are respectively arranged in the three chambers.
Referring to fig. 3 and 4, the high voltage distribution box 4 is located in a cavity close to the vehicle head, the DC/DC direct current-to-direct current motor 5 and the vehicle-mounted charger 6 are both arranged side by side with the high voltage distribution box 4, and the DC/DC direct current-to-direct current motor 5 is located above the vehicle-mounted charger 6.
The high-voltage distribution box 4, the DC/DC direct current-to-direct current motor 5, the vehicle-mounted charger 6 and the corresponding side walls of the chamber are filled with fixed insulating glue.
The water jacket 101 includes a peripheral water jacket 102 provided between the three chambers and the side wall of the main body 1 and an internal water jacket 103 provided between the three chambers; the peripheral water jacket 102 and the inner water jacket 103 communicate; an inlet of the water jacket 101 is connected with a cooling water inlet pipe 104, and an outlet is connected with a cooling water outlet pipe 105; the cooling water inlet pipe 104 and the cooling water outlet pipe 105 are fixed to the same side wall of the main body 1 and are positioned on the same horizontal line.
The high-voltage distribution box 4 includes an internal input port, an internal output port, an external input port, and an external input port.
Referring to fig. 1, 2 and 5, the output end of the vehicle-mounted charger 6 is electrically connected to the internal input port of the high-voltage distribution box 4, and the input end thereof is an ac slow charge input port 601 provided on the side wall of the main body 1 on the side close to the high-voltage distribution box 4.
The internal output port of the high-voltage distribution box 4 is electrically connected with the input end of the DC/DC-DC motor 5; the external input port and the external input port of the high-voltage distribution box 4 are both provided on the side wall of the main body 1 on the side close to the high-voltage distribution box 4.
The external input ports of the high-voltage distribution box 4 comprise a high-voltage battery positive electrode input port 401, a high-voltage battery negative electrode input port 402, a direct-current rapid charging power supply negative electrode input port 403, a direct-current rapid charging power supply positive electrode input port 404 and a low-voltage signal switching input port 407; the external output end comprises an A/C output connection port 405 of the air conditioner compressor and a PTC output connection port 406 of the warm air core body.
The output end of the DC/DC direct current-to-direct current motor 5 comprises a first DC positive electrode output port 501 and a second DC positive electrode output port 502; the first DC positive output port 501 and the second DC positive output port 502 are both disposed on a side wall of the main body near the side of the DC/DC-DC motor 5.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the present invention and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a little three electric system of pure electric vehicles integrated form which characterized in that:
the device comprises a water-cooling diversion box body, a high-voltage distribution box (4), a DC/DC direct-current-to-direct-current motor (5) and a vehicle-mounted charger (6);
the water-cooling diversion box body comprises a main body (1), an upper end cover (2) and a lower end cover (7) which are respectively and hermetically connected to two ends of the main body (1), and an installation seat (3) connected to the side wall of the main body (1);
the main body (1) comprises a water jacket (101) and three chambers which are communicated with each other, and a high-voltage distribution box (4), a DC/DC direct-current motor (5) and a vehicle-mounted charger (6) are respectively arranged in the three chambers;
the water jacket (101) comprises a peripheral water jacket (102) arranged between the three chambers and the side wall of the main body (1) and an inner water jacket (103) arranged between the three chambers; the peripheral water jacket (102) is communicated with the inner water jacket (103); an inlet of the water jacket (101) is connected with a cooling water inlet pipe (104), and an outlet of the water jacket is connected with a cooling water outlet pipe (105); the cooling water inlet pipe (104) and the cooling water outlet pipe (105) are arranged on the side wall of the main body (1);
the DC/DC direct current conversion motor (5) and the vehicle-mounted charger (6) are arranged side by side with the high-voltage distribution box (4), and the DC/DC direct current conversion motor (5) is positioned above the vehicle-mounted charger (6);
the high-voltage distribution box (4), the DC/DC direct current-to-direct current motor (5), the vehicle-mounted charger (6) and the corresponding side walls of the cavity are filled with fixed insulating glue.
2. The integrated small three-electric system of a pure electric vehicle according to claim 1, wherein: the cooling water inlet pipe (104) and the cooling water outlet pipe (105) are fixed on the same side wall of the main body (1) and are positioned on the same horizontal line.
3. The integrated small three-electric system of a pure electric vehicle according to claim 1 or 2, characterized in that: the high-voltage distribution box (4) comprises an internal input port, an internal output port, an external input port and an external output port;
the output end of the vehicle-mounted charger (6) is electrically connected with the internal input port of the high-voltage distribution box (4), and the input end of the vehicle-mounted charger (6) is arranged on the side wall of the main body (1) close to one side of the high-voltage distribution box (4);
the internal output port of the high-voltage distribution box (4) is electrically connected with the input end of the DC/DC-DC motor (5); the external input port and the external input port of the high-voltage distribution box (4) are arranged on the side wall of the main body (1) close to one side of the high-voltage distribution box (4);
the output end of the DC/DC direct current-to-direct current motor (5) is arranged on the side wall of the main body, which is close to one side of the DC/DC direct current-to-direct current motor (5);
the external input port of the high-voltage distribution box (4) comprises a high-voltage battery positive electrode input port (401), a high-voltage battery negative electrode input port (402), a direct-current rapid charging power supply negative electrode input port (403), a direct-current rapid charging power supply positive electrode input port (404) and a low-voltage signal transfer input port (407);
the external output end of the high-voltage distribution box (4) comprises an A/C output connection port (405) of an air conditioner compressor and a PTC output connection port (406) of a warm air core body;
the output end of the DC/DC direct current-to-direct current motor (5) comprises a first DC positive electrode output port (501) and a second DC positive electrode output port (502);
the input end of the vehicle-mounted charger (6) is an alternating-current slow charging input port (601).
4. The integrated small three-electric system of a pure electric vehicle according to claim 3, wherein: the main body (1) is a casting.
5. The integrated small three-electric system of a pure electric vehicle according to claim 4, wherein: the three chambers are respectively connected through at least one rib plate (106).
6. The integrated small three-electric system of a pure electric vehicle according to claim 5, wherein: the three chambers are connected through a rib plate (106) respectively.
7. The integrated small three-electric system of a pure electric vehicle according to claim 6, wherein: the number of the mounting seats (3) is four, and the mounting seats are all connected to the main body (1) through bolts.
8. The integrated small three-electric system of a pure electric vehicle according to claim 7, wherein: the main body (1) and the upper end cover (2) are sealed by a 'mouth' -shaped sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811624948.9A CN109624713B (en) | 2018-12-28 | 2018-12-28 | Integrated small three-electric system of pure electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811624948.9A CN109624713B (en) | 2018-12-28 | 2018-12-28 | Integrated small three-electric system of pure electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109624713A CN109624713A (en) | 2019-04-16 |
| CN109624713B true CN109624713B (en) | 2024-04-05 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811624948.9A Active CN109624713B (en) | 2018-12-28 | 2018-12-28 | Integrated small three-electric system of pure electric automobile |
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