CN205092418U - High voltage power supply distribution box assembly - Google Patents
High voltage power supply distribution box assembly Download PDFInfo
- Publication number
- CN205092418U CN205092418U CN201520732120.0U CN201520732120U CN205092418U CN 205092418 U CN205092418 U CN 205092418U CN 201520732120 U CN201520732120 U CN 201520732120U CN 205092418 U CN205092418 U CN 205092418U
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- CN
- China
- Prior art keywords
- relay
- short
- preliminary filling
- branch
- positive pole
- 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.)
- Expired - Fee Related
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- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a high voltage power supply distribution box assembly, includes a box body and box cover, box body and lid sealing connection, the box body is inside including the control unit, preliminary filling unit, short -circuit protection and power distribution unit, the control unit includes main relay, the preliminary filling unit includes precharge relay, precharging resistor, short -circuit protection and power distribution unit are including switching piece, branch road short -circuit protection ware and the branch road relay of converging, main relay is anodal to be connected the preliminary filling relay is anodal, preliminary filling relay negative pole is connected preliminary filling resistance one end, the preliminary filling resistance other end is connected the main relay negative pole, main relay negative pole warp the switching piece that converges is connected branch road short -circuit protective device(SCPD) and branch road relay. The utility model discloses the security performance high with the degree height integrates.
Description
Technical field
The utility model relates to New-energy electric vehicle field high-voltage electric system important composition parts, is specifically related to a kind of high voltage source distributor disk assembly.
Background technology
Along with day by day serious environmental problem and energy crisis, new-energy automobile arises at the historic moment in this context.New-energy automobile provides main energy sources primarily of battery system, and the energy source of whole system is responsible for transmission by high-voltage electric system.High voltage source distributor disk is the core building block of high-voltage electric system, its Main Function is the break-make being controlled internal high pressure relay by outer low pressure control loop, by the high-voltage DC power supply of electrokinetic cell according to high voltage source distributor disk indoor design circuit, driving is connected together with a series of high pressure building block such as electric machine controller, Vehicular charger, air-conditioning, DC voltage changer (DC/DC) of steer motor.
Conventional electric automobile, due to the restriction of the aspect such as cost and technology, when high-tension current of being everlasting transmits, adopts the mode of bolted terminal, realizes the connection of each high-pressure system.Although which structure is simple, do not possess dust-proof, water-proof function, security performance is low, in use or later maintenance time, and easily cause getting an electric shock or leaking electricity the situation of hurting sb.'s feelings.Along with the development of electric vehicle engineering, the coarse formula control mode of this dispersion is due to its fail safe and maintainability is lower etc. that unfavorable factor is subject to market gradually.
Utility model content
The utility model overcomes the deficiencies in the prior art, provides a kind of security performance and integrated higher high voltage source distributor disk assembly.
For solving above-mentioned technical problem, the utility model by the following technical solutions:
A kind of high voltage source distributor disk assembly, comprise box body and lid, described box body and lid are tightly connected; Described tray interior comprises control unit, preliminary filling unit, short-circuit protection and power distribution unit; Described control unit comprises main relay; Described preliminary filling unit comprises pre-charge-relay, pre-charge resistance; Described short-circuit protection and power distribution unit comprise the switching piece that confluxes, branch, short-circuit protector and branch road relay; Described main relay positive pole connects described preliminary filling relay positive pole, and described preliminary filling relay negative pole connects described preliminary filling resistance one end, and the described preliminary filling resistance other end connects described main relay negative pole; The switching piece that confluxes described in described main relay negative pole warp connects described branch, short-circuit protector and branch road relay.
Further technical scheme is that main relay positive pole connects positive source, and described positive source connects electric machine controller positive pole through described main relay.
Further technical scheme is that branch, short-circuit protector comprises: AC positive pole branch, short-circuit protector, DC/DC positive pole branch, short-circuit protector and PTC positive pole branch, short-circuit protector; Described main relay negative pole is electrically connected respectively at described AC positive pole branch, short-circuit protector, DC/DC positive pole branch, short-circuit protector and PTC positive pole branch, short-circuit protector.
Further technical scheme is that box body end face is provided with low-voltage signal connector port, for exporting main relay and pre-charge-relay and branch road relay low-voltage control signal to battery management system.
Further technical scheme is the inner embedded foaming sealing joint strip of lid.
Further technical scheme is that low-voltage signal connector port is provided with four.
Compared with prior art, one of the beneficial effects of the utility model are:
(1) the utility model integration degree is high; only high-voltage power cathode controlled and distribute; reduce the volume of high voltage power distribution cartridge; by described control unit, preliminary filling unit, short-circuit protection and power distribution unit; while realizing the control of high-voltage positive electrode big current energy source; also serve the function of short-circuit protection when main line is transshipped, effectively improve reliability and the fail safe of electric automobile high-voltage electric control system.
(2) the utility model has good waterproof and dust-proof effect, is applicable to severe environment for use.
(3) assembly is reasonable, and production cost is low.
(4) power distribution is reasonable, greatly can reduce the loss of power.
Accompanying drawing explanation
Fig. 1 is the electronic schematic diagram of the utility model embodiment.
Fig. 2 is the interior layout figure of the utility model embodiment.
Fig. 3 is box body end face structure schematic diagram of the utility model embodiment.
Fig. 4 is another end face structure schematic diagram of box body of the utility model embodiment.
Embodiment
All features disclosed in this specification, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this specification (comprising any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in detail.
According to an embodiment of the present utility model, the present embodiment high voltage source distributor disk assembly, in external structure, it comprises box body and lid, concrete, and box body is cold-rolled steel sheet panel beating box body, lid is cold-rolled steel sheet panel beating lid, and box body, lid, foaming sealing joint strip form hermetically-sealed construction.Foaming sealing joint strip is embedded in lid mounting groove.When lid and box body fasten, foaming sealing joint strip is squeezed, and plays waterproof and dustproof effect, is applicable to severe environment for use.
As depicted in figs. 1 and 2, in the present embodiment high voltage source distributor disk assembly internal structure and electric circuit syndeton, it comprises control unit, preliminary filling unit, short-circuit protection and power distribution unit; Control unit comprises main relay 2; Precharge unit comprises pre-charge-relay 12, pre-charge resistance 13; Short-circuit protection and power distribution unit comprise conflux switching piece and branch, short-circuit protector and branch road relay.Wherein main relay positive pole connects preliminary filling relay positive pole, and preliminary filling relay negative pole connects described preliminary filling resistance one end, and the preliminary filling resistance other end connects described main relay negative pole; Main relay negative pole connects branch, short-circuit protector and branch road relay through the switching piece that confluxes.
As shown in Figure 3 and Figure 4, box body end face is provided with four ports, and one of them end face is provided with the first port 101 and the second port one 02, and another end face is provided with the 3rd port one 03 and the 4th port one 04.For exporting main relay and pre-charge-relay and branch road relay low-voltage control signal to battery management system.
Concrete, power brick cathode power supply inputs to high voltage source distributor disk, is electrically connected with electric machine controller positive pole through main relay.Anode 1, is electrically connected with the load cathode contact of main relay 2 by switching copper bar through the first port 101 through high-voltage connector:
After electric current flows through main relay 2, main relay cathode contact, by switching copper bar, is electrically connected with electric machine controller positive pole by the second port one 02 through high-voltage connector.
Electric current is after main relay 2, through branch road high-voltage insurance FUSE4, FUSE5, FUSE6: through branch road PTC relay 7, AC relay 8: wherein electric current is through high-voltage insurance FUSE4, after PTC relay 7, be electrically connected with PTC positive pole branch, short-circuit protector 9 by the 3rd port one 03; Electric current, after high-voltage insurance FUSE5, is electrically connected with DC/DC positive pole branch, short-circuit protector 10 by the 3rd port one 03; Electric current, after high-voltage insurance FUSE6, AC relay 8, is electrically connected with AC positive pole branch, short-circuit protector 11 by the 3rd port one 03.Meanwhile, AC positive pole branch, short-circuit protector is electrically connected with AC positive pole branch road relay, and PTC positive pole branch, short-circuit protector is electrically connected with PTC positive pole branch road relay.Above acting in conjunction constitutes control unit and short-circuit protection unit.
Further, pre-charge-relay 12 cathode contact is electrically connected with main relay 2 cathode contact, pre-charge-relay 12 cathode contact is electrically connected with preliminary filling resistance 13 contact a, and preliminary filling resistance 13 contact b is electrically connected with main relay 2 cathode contact, and above acting in conjunction forms precharge unit.
First signal A and secondary signal B, the 3rd signal C, the 4th signal D, the 5th signal E is electrically connected with battery management system (BATTERYMANAGEMENTSYSTEM) through the 4th port one 04.
By implementing the present embodiment; only high-voltage power cathode controlled and distribute; reduce the volume of high voltage power distribution cartridge; by described control unit, preliminary filling unit, short-circuit protection and power distribution unit; while realizing the control of high-voltage positive electrode big current energy source; also serve the function of short-circuit protection when main line is transshipped, effectively improve reliability and the fail safe of electric automobile high-voltage electric control system.Its internal structure assembly is reasonable, and production cost is low; Power distribution is reasonable, greatly can reduce the loss of power.
Spoken of in this manual " embodiment ", " another embodiment ", " embodiment ", etc., refer to the specific features, structure or the feature that describe in conjunction with this embodiment and be included at least one embodiment of the application's generality description.Multiple place occurs that statement of the same race is not necessarily refer to same embodiment in the description.Furthermore, when describing specific features, structure or a feature in conjunction with any one embodiment, what advocate is also drop in scope of the present utility model to realize this feature, structure or feature in conjunction with other embodiments.
Although the multiple explanatory embodiment here with reference to utility model is described the utility model, but, should be appreciated that, those skilled in the art can design a lot of other amendment and execution mode, these amendments and execution mode will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of the open claim of the application, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (6)
1. a high voltage source distributor disk assembly, comprises box body and lid, and described box body and lid are tightly connected; It is characterized in that: described tray interior comprises control unit, preliminary filling unit, short-circuit protection and power distribution unit; Described control unit comprises main relay; Described preliminary filling unit comprises pre-charge-relay, pre-charge resistance; Described short-circuit protection and power distribution unit comprise the switching piece that confluxes, branch, short-circuit protector and branch road relay; Described main relay positive pole connects described preliminary filling relay positive pole, and described preliminary filling relay negative pole connects described preliminary filling resistance one end, and the described preliminary filling resistance other end connects described main relay negative pole; The switching piece that confluxes described in described main relay negative pole warp connects described branch, short-circuit protector and branch road relay.
2. high voltage source distributor disk assembly according to claim 1, it is characterized in that described main relay positive pole connects positive source, described positive source connects electric machine controller positive pole through described main relay.
3. high voltage source distributor disk assembly according to claim 1, is characterized in that described branch, short-circuit protector comprises: AC positive pole branch, short-circuit protector, DC/DC positive pole branch, short-circuit protector and PTC positive pole branch, short-circuit protector; Described main relay negative pole is electrically connected respectively at described AC positive pole branch, short-circuit protector, DC/DC positive pole branch, short-circuit protector and PTC positive pole branch, short-circuit protector.
4. high voltage source distributor disk assembly according to claim 1, it is characterized in that described box body end face is provided with low-voltage signal connector port, for exporting main relay and pre-charge-relay and branch road relay low-voltage control signal to battery management system.
5. high voltage source distributor disk assembly according to claim 1, is characterized in that the inner embedded foaming sealing joint strip of described lid.
6. high voltage source distributor disk assembly according to claim 4, is characterized in that described low-voltage signal connector port is provided with four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520732120.0U CN205092418U (en) | 2015-09-21 | 2015-09-21 | High voltage power supply distribution box assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520732120.0U CN205092418U (en) | 2015-09-21 | 2015-09-21 | High voltage power supply distribution box assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205092418U true CN205092418U (en) | 2016-03-16 |
Family
ID=55483072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520732120.0U Expired - Fee Related CN205092418U (en) | 2015-09-21 | 2015-09-21 | High voltage power supply distribution box assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205092418U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140787A (en) * | 2015-09-21 | 2015-12-09 | 四川永贵科技有限公司 | High-voltage power supply distribution box assembly |
| CN106143189A (en) * | 2016-07-07 | 2016-11-23 | 金龙联合汽车工业（苏州）有限公司 | Batteries of electric automobile group high-voltaghe compartment |
| CN111162233A (en) * | 2020-01-02 | 2020-05-15 | 广汽新能源汽车有限公司 | Battery pack, charging system and automobile |
-
2015
- 2015-09-21 CN CN201520732120.0U patent/CN205092418U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140787A (en) * | 2015-09-21 | 2015-12-09 | 四川永贵科技有限公司 | High-voltage power supply distribution box assembly |
| CN106143189A (en) * | 2016-07-07 | 2016-11-23 | 金龙联合汽车工业（苏州）有限公司 | Batteries of electric automobile group high-voltaghe compartment |
| CN111162233A (en) * | 2020-01-02 | 2020-05-15 | 广汽新能源汽车有限公司 | Battery pack, charging system and automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20200921 |