CN109131164B - Electric control assembly and system of electric automobile - Google Patents
Electric control assembly and system of electric automobile Download PDFInfo
- Publication number
- CN109131164B CN109131164B CN201811241950.8A CN201811241950A CN109131164B CN 109131164 B CN109131164 B CN 109131164B CN 201811241950 A CN201811241950 A CN 201811241950A CN 109131164 B CN109131164 B CN 109131164B
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- CN
- China
- Prior art keywords
- relay
- main
- fuse
- upper cover
- electric control
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H45/00—Details of relays
- H01H45/02—Bases; Casings; Covers
- H01H45/04—Mounting complete relay or separate parts of relay on a base or inside a case
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
Abstract
The application provides an electric control assembly and system of an electric automobile, and relates to the technical field of electric automobile equipment. In the electric control component of the electric automobile, the components such as the main positive relay, the main negative relay, the pre-charging resistor, the fuse, the current divider and the like are integrated, so that the high integration of the electric control component is realized, the electric control component of the electric automobile can realize the charge and discharge control of the electric automobile, the independence is strong, the maintenance and the replacement are convenient when faults occur, and the working stability of the electric automobile can be improved.
Description
Technical Field
The application relates to the technical field of electric automobile equipment, in particular to an electric control assembly and system of an electric automobile.
Background
The power battery system is a core component of the electric automobile and is directly related to the service performance of a motor, the cruising ability, the safe operation of the electric automobile and the like. In order to realize the control of the battery system, a plurality of electric control elements are needed, but the integration level of each electric control component in the existing control system is very low, and the repair and maintenance are very tedious.
Disclosure of Invention
In view of the above, the application provides an electric control assembly and a system for an electric automobile.
The technical scheme provided by the application is as follows:
an electric automobile electrical control assembly comprising: mount pad, upper cover, main positive relay, main negative relay, shunt, precharge relay, precharge resistor and fuse, wherein:
the installation seat and the upper cover are matched to form an accommodating cavity, a main positive relay installation groove, a main negative relay installation groove and a pre-charging relay installation flange are arranged on the installation seat, the main positive relay installation groove and the main negative relay installation groove are oppositely formed, and the pre-charging relay installation flange is arranged between the main positive relay installation groove and the main negative relay installation groove;
the mounting seat is also provided with a shunt fixing point, a fuse mounting groove and a precharge resistor mounting groove;
the main positive relay is arranged in the main positive relay mounting groove, and the input end of the main positive relay is connected with the positive electrode of an external power supply through a positive electrode input connection row; the output end of the main positive relay is connected with the positive electrode of the external equipment through a positive electrode output connection row, and the main positive relay, the positive electrode input connection row and the positive electrode output connection row form a positive electrode passage;
the main negative relay is arranged in the main negative relay mounting groove, the input end of the main negative relay is connected with one end of the fuse through a negative electrode input connecting row, the other end of the fuse is connected with one end of the current divider through a fusing connecting row, and the other end of the current divider is connected with the negative electrode of the external power supply through a negative electrode input end; the output end of the main negative relay is connected with the negative electrode of the external equipment through a negative electrode output connection row; the negative electrode input end, the current divider, the fusing connecting row, the fuse, the negative electrode input connecting row, the main negative relay and the negative electrode output connecting row form a negative electrode passage;
the pre-charging relay and the pre-charging resistor are connected in series and then are respectively connected with the main positive relay and the main negative relay in parallel;
the current divider is fixedly connected with the fixed point of the current divider, two ends of the fuse are fixedly connected with the fixed point of the fuse respectively, so that the fuse is fixed in the fuse mounting groove, and the pre-charging resistor is fixed in the pre-charging resistor mounting groove.
Further, a plurality of clamping blocks are arranged on two sides of the pre-charging resistor mounting groove, and the pre-charging resistor is fixedly clamped with the mounting seat through the clamping blocks.
Further, an upper cover clamping groove is formed in the mounting seat, an upper cover clamping block matched with the upper cover clamping groove is arranged on the upper cover, and the mounting seat is connected with the upper cover through the upper cover clamping groove and the upper cover clamping block in a clamping connection mode.
Further, a fuse radiating hole matched with the fuse in position is also formed in the mounting seat.
Further, an outgoing line clamping groove communicated with the accommodating cavity is formed in the outer wall of the mounting seat.
Further, the upper cover is provided with a heat radiation hole communicated with the accommodating chamber.
Further, the electric control assembly of the electric automobile further comprises:
and the temperature sensor is arranged in the accommodating cavity and used for detecting temperature data in the accommodating cavity and sending the temperature data to external equipment.
Further, the electric control assembly of the electric automobile further comprises:
and a harness plug-in for connection with an external control device.
Further, the mounting seat is made of bakelite material, and the upper cover is made of nylon and glass fiber composite material.
The application also provides an electric control system of the electric automobile, which comprises the electric control component of the electric automobile and a control chip connected with the electric control component of the electric automobile.
In the electric control component of the electric automobile, the components such as the main positive relay, the main negative relay, the pre-charging resistor, the fuse, the current divider and the like are integrated, so that the high integration of the electric control component is realized, the electric control component of the electric automobile can realize the charge and discharge control of the electric automobile, the independence is strong, the maintenance and the replacement are convenient when faults occur, and the working stability of the electric automobile can be improved.
In order to make the above objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an electric control assembly of an electric automobile according to an embodiment of the present application.
Fig. 2 is another schematic diagram of an electric control assembly of an electric automobile according to an embodiment of the present application.
Fig. 3 is a schematic diagram of an installation seat in an electric control assembly of an electric automobile according to an embodiment of the present application.
Fig. 4 is a schematic diagram of an installation seat and other elements in an electric control assembly of an electric automobile according to an embodiment of the present application.
Fig. 5 is another schematic diagram of an electric control assembly of an electric automobile according to an embodiment of the present application.
Icon: 10-an electric control assembly of an electric automobile; 101-a mounting base; 111-an outgoing line clamping groove; 102-an upper cover; 103-a main positive relay; 131-positive electrode input connection row; 132-positive output connection rows; 133-main positive relay mounting groove; 104-a main negative relay; 141-a negative input connection row; 142-negative electrode output connection row; 143-a main negative relay mounting groove; 105-diverter; 151-negative input; 106-pre-charging a relay; 161-pre-charge relay mounting flange; 107-pre-charge resistor; 171-precharge resistor mounting slots; 172-clamping blocks; 108-a fuse; 181-fusing the connection rows; 182-fuse mounting slots; 183-fuse heat dissipation holes.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.
An embodiment of the present application provides an electric control assembly 10 for an electric automobile, as shown in fig. 1 to 4, including: mount 101, upper cover 102, main positive relay 103, main negative relay 104, shunt 105, precharge relay 106, precharge resistor 107, and fuse 108.
The mounting seat 101 and the upper cover 102 are matched to form a containing cavity, a main positive relay mounting groove 133, a main negative relay mounting groove 143 and a pre-charging relay mounting flange 161 are arranged on the mounting seat 101, the main positive relay mounting groove 133 and the main negative relay mounting groove 143 are oppositely formed, and the pre-charging relay mounting flange 161 is arranged between the main positive relay mounting groove 133 and the main negative relay mounting groove 143.
The size of mount pad 101 can be determined according to actual need, and the fluting size of main positive relay mounting groove 133 and main negative relay mounting groove 143 can be determined according to the model of relay of selecting, and main positive relay mounting groove 133 is used for placing main positive relay 103, and a plurality of screw holes can be set up to the both sides of main positive relay mounting groove 133, after placing main positive relay 103 in main positive relay mounting groove 133, can align the screw hole that disposes on the main positive relay 103 with the both sides of main positive relay 103 to use the screw to fix main positive relay 103 in main positive relay mounting groove 133. Similarly, screw holes matched with the main negative relay 104 can be formed on two sides of the main negative relay mounting groove 143 to fix the main negative relay 104.
The main positive relay 103 is arranged in the main positive relay mounting groove 133, and the input end of the main positive relay 103 is used for being connected with the positive electrode of an external power supply through the positive electrode input connection row 131; the output end of the main positive relay 103 is used for being connected with the positive electrode of the external device through a positive electrode output connection row 132, and the main positive relay 103, the positive electrode input connection row 131 and the positive electrode output connection row 132 form a positive electrode path. The positive input connection bar 131 and the positive output connection bar 132 may employ copper bars to achieve good connection of the main positive relay 103 with external power and external devices.
The main negative relay 104 is arranged in the main negative relay mounting groove 143, the input end of the main negative relay 104 is connected with one end of the fuse 108 through a negative electrode input connection row 141, the other end of the fuse 108 is connected with one end of the shunt 105 through a fusing connection row 181, and the other end of the shunt 105 is connected with the negative electrode of the external power supply through a negative electrode input end 151; the output end of the main negative relay 104 is connected with the negative electrode of the external equipment through a negative electrode output connection row 142; the negative input 151, shunt 105, fuse link 181, fuse 108, negative input link 141, main negative relay 104, and negative output link 142 form a negative path.
The mounting base 101 is further provided with a shunt fixing point, a fuse mounting groove 182 and a precharge resistor mounting groove 171. The shunt 105 may be fixedly connected to the mounting base 101 through a shunt fixing point, the shunt fixing point and the fuse fixing point may be fixing posts protruding from the mounting base 101, and the shunt 105 may be connected to the fixing posts through fixing holes matching with the fixing posts. The fuse 108 may be provided with fixing holes matching the fixing posts at both ends thereof, and the fuse 108 may be fixed in the fuse mounting groove 182 after fixing the both ends of the fuse 108 with the fixing posts. The current divider 105 collects the instantaneous current during the process of charging or discharging the battery through the electric control assembly 10 of the electric vehicle, so that the control system on the electric vehicle can determine the charging or discharging state of the battery through the condition of the instantaneous current collected by the current divider 105. The fuse 108 is connected in the negative electrode path, and can be timely fused when the charging current exceeds the preset fusing current, so that the safety of the electric control assembly and the battery system is ensured, and the model of the fuse 108 can be selected according to the actual conditions of the battery system and the charging power supply.
The precharge resistor 107 may be installed in the precharge resistor installation groove 171, and the precharge relay 106 and the precharge resistor 107 are connected in series and then connected in parallel with the main positive relay 103 and the main negative relay 104, respectively. In one embodiment, a plurality of clamping blocks 172 are disposed on two sides of the pre-charging resistor mounting groove 171, and the pre-charging resistor 107 is clamped and fixed with the mounting seat 101 through the clamping blocks 172. The precharge resistor 107 and the precharge relay 106 can realize precharge management of the battery.
In addition, a harness assembly for connection to a battery control system may be provided on the mount 101, through which various elements within the electric control assembly 10 of the electric vehicle may be connected to external control devices. The above-described respective electrical components may be fixed to the mount 101, and after the connection and fixation of the respective electrical components are completed, the control connection wires of the respective components may be connected to the harness assembly to achieve connection with the battery control system.
Meanwhile, the input end of the main positive relay 103 may be connected with the positive electrode of the external power supply, and the negative electrode access end may be connected with the negative electrode of the external power supply. The input end of the main positive relay 103 is connected with the positive electrode of the battery pack, and the output end of the main negative relay 104 is connected with the negative electrode of the battery pack, so that an external power supply is connected with the battery pack through the electric automobile electric control assembly 10. The electric control assembly 10 of the electric automobile can realize the switching and on-off control of a main loop, a heating loop and a pre-charging loop.
The mounting seat 101 is provided with an upper cover clamping groove, the upper cover 102 is provided with an upper cover clamping block matched with the upper cover clamping groove, and the mounting seat 101 is connected with the upper cover 102 through the upper cover clamping groove and the upper cover clamping block in a clamping manner.
In another embodiment, as shown in fig. 5, in order to ensure good heat dissipation of the fuse 108, the mounting base 101 is further provided with a fuse heat dissipation hole 183 matching the position of the fuse 108. The heat dissipation holes 183 can dissipate heat generated in the working process of the fuse 108 to the external environment in time so as to ensure the normal working of the fuse 108.
In another embodiment, the outer wall of the mounting base 101 is provided with an outlet slot 111 that communicates with the accommodating chamber. Connecting wires of all elements in the accommodating chamber can pass through the mounting seat 101 to be integrated into the wire outlet clamping groove 111, and then are connected with the wire harness assembly through the wire outlet clamping groove 111.
In order to achieve good heat dissipation to the respective components in the accommodating chamber, the upper cover 102 is provided with a heat dissipation hole communicating with the accommodating chamber. In addition, a plurality of through holes capable of accommodating fans can be formed in the upper cover 102, so that the fans are arranged on the upper cover 102, air cooling and heat dissipation in the accommodating cavity are realized through the fans, and good working states of internal elements are ensured.
The mounting seat 101 and the upper cover 102 in the embodiment of the application can be made of composite materials such as bakelite, nylon, glass fiber and the like, so that the electric control assembly 10 of the electric automobile has the characteristics of high strength, high temperature resistance, ageing resistance, good elasticity and the like. The electric control assembly 10 of the electric automobile can ensure a good working state in the electric automobile, and the working stability of the electric automobile is improved.
In summary, in the electric control component 10 for an electric automobile provided by the embodiment of the application, the components such as the main positive relay 103, the main negative relay 104, the pre-charging relay 106, the pre-charging resistor 107, the fuse 108, the shunt 105 and the like are integrated, so that the high integration of the electric control component is realized, the electric control component 10 for an electric automobile can realize the charge and discharge control of the electric automobile, the independence is strong, the maintenance and the replacement are convenient when the fault occurs, and the working stability of the electric automobile can be improved.
The application also provides an electric control system of the electric automobile, which comprises the electric control component 10 of the electric automobile and a control chip connected with the electric control component 10 of the electric automobile.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. An electric control assembly for an electric vehicle, comprising: mount pad, upper cover, main positive relay, main negative relay, shunt, precharge relay, precharge resistor and fuse, wherein:
the installation seat and the upper cover are matched to form an accommodating cavity, a main positive relay installation groove, a main negative relay installation groove and a pre-charging relay installation flange are arranged on the installation seat, the main positive relay installation groove and the main negative relay installation groove are oppositely formed, and the pre-charging relay installation flange is arranged between the main positive relay installation groove and the main negative relay installation groove;
the mounting seat is also provided with a shunt fixing point, a fuse mounting groove and a precharge resistor mounting groove;
the main positive relay is arranged in the main positive relay mounting groove, and the input end of the main positive relay is connected with the positive electrode of an external power supply through a positive electrode input connection row; the output end of the main positive relay is connected with the positive electrode of the external equipment through a positive electrode output connection row, and the main positive relay, the positive electrode input connection row and the positive electrode output connection row form a positive electrode passage;
the main negative relay is arranged in the main negative relay mounting groove, the input end of the main negative relay is connected with one end of the fuse through a negative electrode input connecting row, the other end of the fuse is connected with one end of the current divider through a fusing connecting row, and the other end of the current divider is connected with the negative electrode of the external power supply through a negative electrode input end; the output end of the main negative relay is connected with the negative electrode of the external equipment through a negative electrode output connection row; the negative electrode input end, the current divider, the fusing connecting row, the fuse, the negative electrode input connecting row, the main negative relay and the negative electrode output connecting row form a negative electrode passage;
the pre-charging relay and the pre-charging resistor are connected in series and then are respectively connected with the main positive relay and the main negative relay in parallel;
the current divider is fixedly connected with the current divider fixing point, two ends of the fuse are respectively fixedly connected with the fuse fixing point, so that the fuse is fixed in the fuse mounting groove, and the pre-charging resistor is fixed in the pre-charging resistor mounting groove;
a plurality of clamping blocks are arranged on two sides of the pre-charging resistor mounting groove, and the pre-charging resistor is fixedly clamped with the mounting seat through the clamping blocks;
the mounting seat is provided with an upper cover clamping groove, the upper cover is provided with an upper cover clamping block matched with the upper cover clamping groove, and the mounting seat is connected with the upper cover through the upper cover clamping groove and the upper cover clamping block in a clamping manner.
2. The electric control assembly of claim 1, wherein the mounting base is further provided with a fuse heat dissipation hole matched with the fuse in position.
3. The electric control assembly of claim 1, wherein the outer wall of the mounting base is provided with an outlet slot in communication with the receiving chamber.
4. The electric control assembly of claim 1, wherein the upper cover is provided with a heat dissipation hole in communication with the receiving chamber.
5. The electric vehicle electrical control assembly of claim 1, further comprising:
and the temperature sensor is arranged in the accommodating cavity and used for detecting temperature data in the accommodating cavity and sending the temperature data to external equipment.
6. The electric vehicle electrical control assembly of claim 1, further comprising:
and a harness plug-in for connection with an external control device.
7. The electric control assembly of claim 1, wherein the mounting base is bakelite material and the upper cover is nylon and fiberglass composite.
8. An electric control system of an electric automobile, which is characterized by comprising the electric control component of any one of claims 1 to 7 and a control chip connected with the electric control component of the electric automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811241950.8A CN109131164B (en) | 2018-10-24 | 2018-10-24 | Electric control assembly and system of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811241950.8A CN109131164B (en) | 2018-10-24 | 2018-10-24 | Electric control assembly and system of electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109131164A CN109131164A (en) | 2019-01-04 |
| CN109131164B true CN109131164B (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811241950.8A Active CN109131164B (en) | 2018-10-24 | 2018-10-24 | Electric control assembly and system of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109131164B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572599B (en) * | 2019-01-30 | 2024-03-29 | 漳州鑫美达汽车零部件有限公司 | Central electrical box for automobile |
| CN113130273B (en) | 2020-01-15 | 2022-07-15 | 比亚迪股份有限公司 | Multifunctional fuse |
| 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 |
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| CN107069468A (en) * | 2016-11-28 | 2017-08-18 | 北京新能源汽车股份有限公司 | A kind of high voltage distribution box |
| KR20180009860A (en) * | 2016-07-19 | 2018-01-30 | 주식회사 경신 | Junction box for vehicle |
| CN108263215A (en) * | 2018-03-21 | 2018-07-10 | 华霆（合肥）动力技术有限公司 | Battery cutout unit, battery system and electric vehicle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6514091B2 (en) * | 2000-11-28 | 2003-02-04 | Sumitomo Wiring Systems, Ltd. | Electrical junction box for a vehicle |
| EP3024704B1 (en) * | 2013-07-25 | 2019-01-16 | Aptiv Technologies Limited | High voltage electrical center including a bulkhead |
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2018
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180009860A (en) * | 2016-07-19 | 2018-01-30 | 주식회사 경신 | Junction box for vehicle |
| CN107069468A (en) * | 2016-11-28 | 2017-08-18 | 北京新能源汽车股份有限公司 | A kind of high voltage distribution box |
| CN108263215A (en) * | 2018-03-21 | 2018-07-10 | 华霆（合肥）动力技术有限公司 | Battery cutout unit, battery system and electric vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109131164A (en) | 2019-01-04 |
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