CN208128049U - A kind of safe and reliable three-phase motor junction box structure - Google Patents
A kind of safe and reliable three-phase motor junction box structure Download PDFInfo
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- CN208128049U CN208128049U CN201820396466.1U CN201820396466U CN208128049U CN 208128049 U CN208128049 U CN 208128049U CN 201820396466 U CN201820396466 U CN 201820396466U CN 208128049 U CN208128049 U CN 208128049U
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- junction box
- line terminals
- terminal plate
- power line
- safe
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Abstract
The utility model discloses a kind of safe and reliable three-phase motor junction box structure, including a junction box seat and a terminal plate, terminal plate are placed in junction box seat；Successively parallel interval is disposed with several boss in terminal plate front, and a groove is respectively formed between each adjacent two boss, it is fluted run through terminal plate rear and front end face, and in parallel arrangement；It is equipped with a connecting piece in at least groove for being located at intermediate region, a power line terminals and one are respectively connected in each connection sheet and draw line terminals；It is equipped with power line terminals fastener for power line terminals, is equipped with extraction line terminals fastener for line terminals are drawn；In the assembled condition, power line terminals connect power line, and pass through the through-hole in power line terminals by power line terminals fastener and power line is fixed on terminal plate；The lead-out wire of line terminals connection motor is drawn, and motor lead-out wire is fixed on terminal plate across the through-hole drawn in line terminals by drawing line terminals fastener.
Description
Technical field
The utility model belongs to terminal box field, relates generally to a kind of three-phase motor junction box structure, more particularly to a kind of
Securely and reliably, convenient for the three-phase motor junction box structure of outlet.
Background technique
In new-energy automobile field, the terminal box of driving motor is the key that winding and inputing power inside connection motor
Components, and play the critical function of insulating protection.Driving motor passes through connection box for motor for internal wound stator and outside three
Phase cable is connected, to obtain electric energy.
In order to guarantee motor normal safe operation, motor three-phase windings lead-out wire and client's power line（External three-phase cable）
Should firm and reliable connection, have enough electric clearances and creepage distance between junction box seat around again.
Currently, the method for increasing safe distance is exactly to increase the size of terminal box, still, pass through increase using such
The mode of terminal box size not only will increase material loss in a manner of increasing safe distance, but also will affect driving motor and exist
Installation on vehicle.
In consideration of it, proposing that the safe and reliable three-phase motor junction box structure of one kind is the class to be studied of the utility model
Topic.
Summary of the invention
The utility model provides a kind of safe and reliable three-phase motor junction box structure, existing its purpose is to solve
Have in technology between driving motor three-phase windings lead-out wire and external three-phase cable is reliably connected problem, solves three-phase electricity again
Machine junction box electric clearance and the too small problem of creepage distance.
In order to achieve the above objectives, the technical solution adopted in the utility model is：A kind of safe and reliable three-phase motor wiring
Box structure, including a junction box seat and a terminal plate, the terminal plate are placed in junction box seat；
Successively parallel interval is disposed with several boss in the terminal plate front, and it is recessed to be respectively formed one between each adjacent two boss
Slot, the reeded quantity of institute is greater than or equal to three, and institute is fluted through the rear and front end face of terminal plate；
It is respectively provided with a connecting piece in wherein three grooves, a power line terminals and one are respectively connected in each connection sheet and are drawn
Outlet terminal is equipped with extraction line terminals fastener for line terminals are drawn；
In the assembled condition, three extraction line terminals connect one to one with the three-phase windings lead-out wire of motor respectively, and
By drawing in three grooves that three-phase windings lead-out wire interval is fixed on terminal plate by line terminals fastener.
Related content in above-mentioned technical proposal is explained as follows：
1, in above scheme, power line terminals fastener is equipped with for power line terminals；In the assembled condition, three power
Line terminals connect one to one with three power lines respectively, and are passed through in power line terminals by the power line terminals fastener
Power line interval is fixed on terminal plate by through-hole.
2, in above scheme, the quantity of the groove is three.
3, in above scheme, there are four boss for tool on the terminal plate, wherein the boss for being located at both ends is first boss, position
Two boss in intermediate region are second boss.
4, in above scheme, the wiring plate fastener is arranged in through-hole and corresponding junction box seat in second boss simultaneously
In the threaded hole of bottom, terminal plate is fixed in junction box seat.
It 5, further include three cable connectors in above scheme, three cable connectors pass through on junction box seat side
Three threaded holes be connected in junction box seat.
It 6, further include a vent valve in above scheme, the vent valve passes through the threaded hole connection on junction box seat side
To junction box seat.
It 7, further include a connector cover in above scheme, the connector cover lid closes on junction box seat.
8, in above scheme, there is a gasket between the connector cover and junction box seat.
9, in above scheme, the junction box seat is fixed on the base of motor, and is equipped between junction box seat and base
One sealing ring.
Working principle：The utility model adds first boss between wiring board ends and junction box seat wall, to make electricity
Three-phase windings lead-out wire and the junction box seat of machine separate, so that effectively increasing three-phase windings draws line terminals exposed part and wiring
Electric clearance and creepage distance between box.And the interval setting second boss between the first boss at both ends, to form three
A spaced apart groove, and the three-phase windings lead-out wire of motor is spaced one by one and is connected in three grooves, to effectively increase
Three-phase windings are added to draw the mutual electric clearance and creepage distance of line terminals exposed part.
Since above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：
The utility model structure is simple, can increase electric clearance and creepage distance, improves the electrical safety of terminal box.Separately
Outside, line terminals will be drawn and power line terminals is installed separately, reduce installation steps, improve installation effectiveness, increase security reliability.
Detailed description of the invention
Attached drawing 1 is the explosive view of junction box structure of electrical machine in the present embodiment；
Attached drawing 2 is that the top view after connector cover is removed in the present embodiment；
Attached drawing 3 is that the perspective view after connector cover is removed in the present embodiment；
Attached drawing 4 is the perspective view of junction box structure of electrical machine in the present embodiment；
Attached drawing 5 is the perspective view one of terminal plate in the present embodiment；
Attached drawing 6 is the perspective view two of terminal plate in the present embodiment；
Attached drawing 7 is the main view of terminal plate in the present embodiment.
In the figures above：1, connector cover；2, lock-screw；3, gasket；401, the first hexagon-headed bolt；402, second
Hexagon-headed bolt；5, line terminals are drawn；6, connection sheet；7, terminal plate；701, first boss；702, second boss；703, groove；
8, fastening screw；9, junction box seat；10, vent valve；101, the first threaded hole；11, sealing ring；12, cable connector；122, second
Threaded hole；13, fixing bolt.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments：
Embodiment：A kind of safe and reliable three-phase motor junction box structure
It is set to referring to attached drawing 1-7, including a junction box seat 9, a connector cover 1 and a terminal plate 7, the terminal plate 7
It connects in cassette holder, 1 hamper of connection box cover is locked on connection cassette holder 9, and through lock-screw 2.The junction box seat 9 is logical
It crosses fastening screw 8 to be fixed on the base of motor, and is equipped with a sealing ring 11 between junction box seat 9 and base.
Wherein, the terminal plate 7 has a front and a reverse side, and front is for connecting motor lead-out wire.The terminal plate 7
Successively parallel interval is disposed with several boss in front, and a groove 703, institute fluted 703 are respectively formed between each adjacent two boss
Run through the rear and front end face of terminal plate 7, and in parallel arrangement.
In the present embodiment, the quantity of all boss is four, and the quantity of the groove 703 is three, is located at terminal plate 7 or so two
Two boss at end are first boss 701, and the lateral surface of two first boss 701 is attached on the inner sidewall of junction box seat 9,
Separate the three-phase lead-out wire of motor with junction box seat 9, to increase electric clearance and creepage distance.In two first boss
Two boss of projection are second boss 702 between 701, which is spaced from each other.
The wiring plate fastener is arranged in the through-hole in second boss 702 and the spiral shell of corresponding 9 bottom of junction box seat simultaneously
In pit, terminal plate 7 is fixed in junction box seat 9.In the present embodiment, wiring plate fastener is terminal plate fixing bolt
13, i.e. fixing bolt 13 is worn simultaneously in the through-hole in second boss 702 and the threaded hole of corresponding 9 bottom of junction box seat, thus
Terminal plate 7 is fixed in junction box seat 9.
All first boss 701 and all second boss 702 are arranged in parallel, and extend along 7 width direction of terminal plate, the
One boss 701 and second boss 702 are in 7 three grooves 703 of front formation of terminal plate, and three grooves 703 are along 7 width of terminal plate
Direction arranged for interval.Be equipped with a connecting piece 6 in each groove 703, connected in each connection sheet 6 motor three-phase lead-out wire it
One.Line terminals 5 are drawn for a power line terminals and one are respectively connected in each connection sheet 6, are equipped with for power line terminals dynamic
Line of force terminal fastener is equipped with extraction line terminals fastener for line terminals 5 are drawn.In the present embodiment, the fastening of power line terminals
Part uses the first hexagon-headed bolt 401, draws line terminals fastener and uses the second hexagon-headed bolt 402.
In addition, further including three cable connectors 12 and a vent valve 10, three cable connectors 12 are respectively by connecing
Three the second threaded holes 122 on 9 side of wire box seat are connected in junction box seat 9, and the vent valve 10 passes through 9 side of junction box seat
The first threaded hole 101 on face is connected to junction box seat 9.
In order to improve the leakproofness of junction box structure, there is a gasket 3 between connector cover 1 and junction box seat 9.
In the assembled condition, the power line terminals connect power line, and pass through power line by the first hexagon-headed bolt 401
Through-hole on terminal is then passed through 6 one end through-hole of connection sheet, is screwed into the threaded hole of terminal plate 7, client's power line is fixed on and is connect
On line plate 7；The lead-out wire drawn line terminals 5 and connect motor, and passed through by the second hexagon-headed bolt 402 and draw line terminals
Through-hole on 5 is then passed through 6 other end through-hole of connection sheet, is screwed into the threaded hole of terminal plate 7, motor lead-out wire is fixed on and is connect
On line plate 7, i.e., each connection sheet 6, one end connects client's power line, and the other end connects a motor wherein phase winding lead-out wire, most
Motor three-phase windings lead-out wire is connected to three 6 one end of connection sheet at last, and three client's power lines are separately connected these three
The other end of connection sheet 6.Motor producer can tighten winding leading-out wire fixing bolt by setting torque when leaving the factory, when client's entrucking
Without backing out lead-out wire fixing bolt, the first hexagon-headed bolt 401 of power line terminals, peace need to be only tightened by setting torque
It fills convenient and reliable.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (10)
1. a kind of safe and reliable three-phase motor junction box structure, including a junction box seat（9）With a terminal plate（7）, described to connect
Line plate（7）It is placed in junction box seat（9）It is interior；
It is characterized in that：The terminal plate（7）Successively parallel interval is disposed with several boss in front, between each adjacent two boss
It is respectively formed a groove（703）, institute it is fluted（703）Quantity be greater than or equal to three, and institute it is fluted（703）Run through terminal plate
（7）Rear and front end face；
Three grooves wherein（703）Inside it is respectively provided with a connecting piece（6）, each connection sheet（6）On be respectively connected with a power line end
Son and one draws line terminals（5）, for extraction line terminals（5）Equipped with extraction line terminals fastener；
In the assembled condition, three extraction line terminals（5）It connects one to one, and leads to the three-phase windings lead-out wire of motor respectively
It crosses extraction line terminals fastener and three-phase windings lead-out wire interval is fixed on terminal plate（7）On three grooves（703）In.
2. safe and reliable three-phase motor junction box structure according to claim 1, it is characterised in that：For power line end
Son is equipped with power line terminals fastener；In the assembled condition, three power line terminals correspond with three power lines connect respectively
It connects, and the through-hole in power line terminals is passed through by the power line terminals fastener, power line interval is fixed on terminal plate（7）
On.
3. safe and reliable three-phase motor junction box structure according to claim 1, it is characterised in that：The groove
（703）Quantity be three.
4. safe and reliable three-phase motor junction box structure according to claim 1 or 3, it is characterised in that：The wiring
Plate（7）There are four boss for upper tool, wherein the boss for being located at both ends is first boss（701）, two boss positioned at intermediate region
For second boss（702）.
5. safe and reliable three-phase motor junction box structure according to claim 4, it is characterised in that：The terminal plate is tight
Firmware is arranged in second boss simultaneously（702）On through-hole and corresponding junction box seat（9）In the threaded hole of bottom, by terminal plate
（7）It is fixed on junction box seat（9）It is interior.
6. safe and reliable three-phase motor junction box structure according to claim 5, it is characterised in that：It further include three electricity
Cable joint（12）, three cable connectors（12）Pass through junction box seat（9）Three threaded holes on side are connected to wiring
Cassette holder（9）It is interior.
7. safe and reliable three-phase motor junction box structure according to claim 1, it is characterised in that：It further include one ventilative
Valve（10）, the vent valve（10）Pass through junction box seat（9）Threaded hole on side is connected to junction box seat（9）.
8. safe and reliable three-phase motor junction box structure according to claim 1, it is characterised in that：It further include a wiring
Box cover（1）, the connector cover（1）Lid is closed in junction box seat（9）On.
9. safe and reliable three-phase motor junction box structure according to claim 8, it is characterised in that：The connector cover
（1）With junction box seat（9）Between have a gasket（3）.
10. safe and reliable three-phase motor junction box structure according to claim 1, it is characterised in that：The terminal box
Seat（9）It is fixed on the base of motor, and junction box seat（9）A sealing ring is equipped between base（11）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820396466.1U CN208128049U (en) | 2018-03-22 | 2018-03-22 | A kind of safe and reliable three-phase motor junction box structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820396466.1U CN208128049U (en) | 2018-03-22 | 2018-03-22 | A kind of safe and reliable three-phase motor junction box structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208128049U true CN208128049U (en) | 2018-11-20 |
Family
ID=64199794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820396466.1U Active CN208128049U (en) | 2018-03-22 | 2018-03-22 | A kind of safe and reliable three-phase motor junction box structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208128049U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098692A (en) * | 2019-05-21 | 2019-08-06 | 卧龙电气驱动集团股份有限公司 | A kind of motor thermistor lead is connected and fixed structure |
| CN111769377A (en) * | 2020-07-08 | 2020-10-13 | 深圳市麦格米特焊接技术有限公司 | Terminal box |
| CN113572103A (en) * | 2021-07-06 | 2021-10-29 | 奇瑞汽车股份有限公司 | Terminal box |
-
2018
- 2018-03-22 CN CN201820396466.1U patent/CN208128049U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098692A (en) * | 2019-05-21 | 2019-08-06 | 卧龙电气驱动集团股份有限公司 | A kind of motor thermistor lead is connected and fixed structure |
| CN110098692B (en) * | 2019-05-21 | 2024-04-26 | 卧龙电气驱动集团股份有限公司 | Motor thermistor lead wire connection fixing structure |
| CN111769377A (en) * | 2020-07-08 | 2020-10-13 | 深圳市麦格米特焊接技术有限公司 | Terminal box |
| CN113572103A (en) * | 2021-07-06 | 2021-10-29 | 奇瑞汽车股份有限公司 | Terminal box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: No.608, FanFeng Road, Xukou Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: SUZHOU LEGO MOTORS Co.,Ltd. Address before: 215000 Hefeng Road, Hefeng Town, Wuzhong District Town, Suzhou, Jiangsu Patentee before: SUZHOU LEGO MOTORS Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |