CN201430490Y - Wiring device of low-voltage high-power motor - Google Patents
Wiring device of low-voltage high-power motor Download PDFInfo
- Publication number
- CN201430490Y CN201430490Y CN2009200292324U CN200920029232U CN201430490Y CN 201430490 Y CN201430490 Y CN 201430490Y CN 2009200292324 U CN2009200292324 U CN 2009200292324U CN 200920029232 U CN200920029232 U CN 200920029232U CN 201430490 Y CN201430490 Y CN 201430490Y
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- connector
- winding
- outlet
- junction box
- brace
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- Expired - Lifetime
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Abstract
The utility model relates to a wiring device of a low-voltage high-power motor, which comprises a terminal box cover, a terminal box block, an insulated wiring board, a connector, an outlet port coverplate and a stuffing box. The terminal box cover and the terminal box block are arranged in corresponding butting positions. The wiring device is characterized in that the insulated wiring boards arearranged on a fixing frame in the terminal box after being combined by the connector in an upper row and a lower row, and also comprises an out-going connection sheet of a three-phase winding, the winding of each phase is provided with 1 to 4 out-going connection sheet(s) all in an n shape, the upper side edge of the out-going connection sheet of each n-shaped winding is arranged on the insulatedwiring board by the connector, the other side edge of the out-going connection sheet of the each n-shaped winding is connected with a power supply connection sheet or/and current sharing connection sheet through connectors, and the wiring device is provided with six stuffing boxes. The winding wires of each phase of the motor are from 2 to 8,the power supply of each phase is provided with 1 to 4wires so as to adapt to the requirements for star angle conversion startup of a motor. The utility model has the advantages of reasonable design, convenient wiring, safety and reliability.
Description
Technical field
The utility model relates to other annexes of a kind of motor casing, especially a kind ofly is applicable to that voltage 690V is following, the low-pressure high-power motor winding outlet within the electric current 3000A and the termination of power supply wiring.
Background technology
Along with exploitation and the production of low-pressure high-power motor in China progressively moves to maturity, it is widely used in dragging various plant equipment in the industries such as oil, chemical industry, metallurgy, cement, papermaking.And termination is the important accessory of motor, and it mainly comprises the binding post that is provided with in the terminal box, and binding post is drawn with the outlet of motor winding with supporting other wiring of motor.Along with the continuous increase of motor power (output) and electric current, the prior motor junction box structure can not satisfy the big specification requirement of conducting electric current, and therefore numerous technical staff are devoted to the research of low-pressure high-power motor junction box structure.Disclose a kind of " low-pressure high-power motor row's formula junction box structure " in the CN201044386Y China utility model patent specification as Granted publication on April 2nd, 2008, it comprises a terminal box, and this terminal box is row's formula, and the big electric current that will pass through is effectively shunted; The separate type terminal block is that terminal block is divided into two, and height staggers on the locus; Vertical copper busbar is the vertical copper busbar of zigzag, is height and arranges, is convenient to terminal block in the space of formation; Binding post adopts 12, and 4 of every phases divide upper and lower two to be arranged on the separate type terminal block; The division board draw-in groove is arranged, be positioned at separate type terminal block both sides, the wiring division board is stuck in increases wiring safety in the draw-in groove.The terminal box of this kind structure can realize the ability of conducting 1000A with interior big electric current, can satisfy the big motor technology requirement of conducting electric current.But disclosed row's formula junction box structure in the above-mentioned open file, its each vertical copper busbar can only connect 4 outlets at most with cooperating of binding post, and big at power of motor, the winding outlet is many, and this junction box structure is inapplicable; Vertical copper busbar is fixed, only can be used for delta connection, can't satisfy the motor star--the needs that the angle conversion starts; The stuffing box of its terminal box line outlet only has 3, can not adapt to the more situation of power supply wiring.
Summary of the invention
Winding outlet, power supply wiring reach the need star more in the prior art in order to overcome--and the angle conversion starts and the existing inapplicable deficiency of junction box structure, and the utility model provides a kind of termination of low-pressure high-power motor.This termination not only can satisfy the every phase outlet of various pole count motor windings from 2 to 8 wiring, and every phase power supply wiring is from 1 to 4 wiring, and can adapt to the needs that star-angle conversion starts of low-pressure high-power motor.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of termination of low-pressure high-power motor, include connector cover, junction box seat, insulation joint plate, connector, be positioned at the line outlet cover plate of junction box seat downside and be assemblied in stuffing box on the line outlet cover plate, described connector cover is connected by the connector assembling in involutory position with junction box seat, it is characterized in that: described insulation joint plate is a composite type, goes to upper and lower two rows on the fixed mount of connector device in junction box seat; Also include three phase winding outlet braces, every phase winding outlet brace is 1-4, it is the design of n shape, wherein each n shape winding outlet brace be through the side on it by the connector device on the insulation joint plate, its another side is connected with power supply wiring brace or/and current-sharing brace through connector, and its back is respectively equipped with 2 winding connection terminals; Described power supply wiring brace is provided with power supply terminal; The described stuffing box that is assemblied on the line outlet cover plate is 6.
Described junction box seat bottom with the involutory assembling of connector cover also is equipped with an insulation outlet board, goes to upper and lower the position and have 2 winding line outlets on this insulation outlet board.
Described device is an aluminum cover plate at the line outlet cover plate of junction box seat downside.
There is seal junction between described junction box seat and connector cover, junction box seat and the motor bed-plate all device.
Three phase winding outlet braces of the present utility model have adopted the design of n shape, and be fixedly mounted on the insulation joint plate by connector, its every phase winding outlet brace is 1-4, the back of each winding outlet brace is respectively equipped with 2 binding posts, can be according to the quantity different mining of winding outlet with different compound modes, to satisfy the every phase outlet of motor winding from 2 to 8 wiring; Winding outlet brace also can be connected with power supply wiring brace or/and current-sharing brace through connector, the power supply wiring brace is provided with power supply terminal, and the stuffing box on the line outlet cover plate is designed to 6, can satisfy every phase power supply wiring from 1 to 4 wiring requirement, will realize effective shunting by the big electric current of winding outlet and power supply wiring; And can adapt to the needs that star-the angle conversion starts of motor by the position and peace connected mode that changes current-sharing brace and winding outlet brace.The utlity model has reasonable in designly, use easy-to-connect, safe and reliable advantage, it is big to efficiently solve low-pressure high-power motor power, and electric current is big, the difficult problem that outlet is many.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described further.
Fig. 1 is a kind of structure master's cutaway view of the present utility model.
Fig. 2 is the side direction view that removes among Fig. 1 behind the connector cover.
Fig. 3 is the structural representation of insulation joint plate of the present utility model.
Fig. 4 is the cutaway view along the A-A line among Fig. 3.
Fig. 5 is the structural representation of winding outlet brace of the present utility model.
1. connector covers among the figure, 2. sealing strip, 3. junction box seat, 4. winding outlet brace, 401. connect sides, and 402. connect sides, 403. the connection back, 404. installing holes, 405. installing holes, 406. winding connection terminal, 5. Wiring nose, 6. insulation joint plate, 601. connecting hole, 602. mounting grooves, 603. bolts, 7. fixed mount, 8. winding outlet, 9. insulation outlet board, 901. the winding line outlet, 902. winding line outlets, 10. power supply wiring brace, 1001. power supply terminal, 11. current-sharing braces, 12. Wiring noses, 13. feed cable, 14. line outlet cover plates, 15. stuffing boxes, 16. electric machine stand, 17. sealing gaskets.
Embodiment
In Fig. 1, a kind of termination of low-pressure high-power motor includes the connector of connector cover 1, junction box seat 3, insulation joint plate 6, line outlet cover plate 14, stuffing box 15 and each parts that are linked and packed.
Connector cover 1 is connected by the connecting bolt assembling in involutory position with junction box seat 3.In order to reach the purpose of water proof and dust proof, returning apparatus has sealing strip 2 between junction box seat 3 and connector cover 1.Line outlet cover plate 14 is positioned at junction box seat 3 downsides, and stuffing box 15 is assemblied on the line outlet cover plate 14.
In Fig. 1, insulation joint plate 6 is to adopt epoxy resin bonded fiber to make.
As shown in Figure 3, Figure 4, have the mounting groove 602 of connecting hole 601 and location and installation winding outlet brace on the plate body of insulation joint plate 6, in the cell body of this mounting groove 602, be embedded with the bolt 603 of fixedly connected winding outlet brace.
In Fig. 1, Fig. 2, insulation joint plate 6 has adopted 4, goes to upper and lower two rows on connecting bolt, the fixed mount 7 of nut combinations formula device in junction box seat 3.
The utility model also comprises three phase winding outlet braces.
In Fig. 5, each winding outlet brace 4 is designed to n shape, connect side 401,402 by two and form with the back 403 that is connected that is positioned between two sides, correspondence has installing hole 404,405 respectively on two connection sides, connects on back 403 at it to be provided with 2 winding connection terminals 406.
As Fig. 1, shown in Figure 5, winding outlet brace 4 can be installed bolt 603 adapting devices pre-buried in the cell body on insulation joint plate 6 through an installing hole and an insulation joint plate that connects on the side 401, and another installing hole that connects on the side 402 cooperates and is connected with power supply wiring sheet 10 or/and current-sharing brace 11 with connecting bolt, nut.
As shown in Figure 1, winding outlet 8 is colded pressing with Wiring nose 5 and then is connected with winding connection terminal 406.
Winding outlet brace 4 every phases can adopt 1-4, can be according to the quantity different mining of winding outlet with different compound modes, and to satisfy the every phase outlet of motor winding from 2 to 8 wiring needs.
As shown in Figure 1 and Figure 2, what the every phase winding outlet of present embodiment brace 4 adopted is 4, be installed in side by side in twos on the insulation joint plate 6, be connected with between two winding outlet braces of each row between power supply wiring brace 10, the two row winding outlet braces and be connected with current-sharing brace 11.Power supply wiring brace 10 is provided with binding post 1001.
Stuffing box on the line outlet cover plate 14 15 is designed to 6, and feed cable 13 enters in the terminal box through this stuffing box, is connected with binding post 1001 with Wiring nose 12 back of colding pressing, and this binding post can satisfy every phase power supply wiring from 1 to 4 wiring requirement.This kind connected mode can realize effective shunting with the big electric current by winding outlet and power supply wiring effectively.
In addition, by changing the installation site and the connected mode of current-sharing brace 11 and winding outlet brace 4, can adapt to the needs that star-angle conversion starts of motor.
For the big electric current that feed cable is passed through can not produce eddy current at line outlet cover plate 14, prevent that feed cable from causing heating to damage, line outlet cover plate 14 adopts aluminium sheet to process.
In Fig. 1, be connected and installed with an insulation outlet board 9 with it through connecting bolt in the bottom of junction box seat 3.Insulation outlet board 9 also is to adopt epoxy resin bonded fiber to make.Binding post on corresponding winding outlet brace back on this insulation outlet board 9 goes to upper and lower the position and has two rectangle winding line outlets 901,902, and the winding outlet enters in the terminal box through this rectangle winding line outlet respectively.The rectangle winding line outlet 901,902 of insulation on the outlet board 9 can effectively prevent winding outlet 8 and support 16 or and junction box seat 3 between leak electricity because of friction causes damage in insulation.
Equally, in order to reach the purpose of water proof and dust proof, the junction device has sealing gasket 17 between junction box seat 3 and motor bed-plate 16.
Need to prove: above embodiment is only in order to the explanation the technical solution of the utility model.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model principle, can also make amendment or be equal to replacement the utility model, it all should fall into protection range of the present utility model.
Claims (4)
1, a kind of termination of low-pressure high-power motor, include connector cover, junction box seat, insulation joint plate, connector, be positioned at the line outlet cover plate of junction box seat downside and be assemblied in stuffing box on the line outlet cover plate, described connector cover is connected by the connector assembling in involutory position with junction box seat, it is characterized in that: described insulation joint plate is a composite type, goes to upper and lower two rows on the fixed mount of connector device in junction box seat; Also include three phase winding outlet braces, every phase winding outlet brace is 1-4, and it is the design of n shape; Wherein each n shape winding outlet brace be through the side on it by the connector device on the insulation joint plate, its another side is connected with power supply wiring brace or/and current-sharing brace through connector, its back is respectively equipped with 2 winding connection terminals; Described power supply wiring brace is provided with power supply terminal; The described stuffing box that is assemblied on the line outlet cover plate is 6.
2, the termination of a kind of low-pressure high-power motor according to claim 1, it is characterized in that: described junction box seat bottom with the involutory assembling of connector cover also is equipped with an insulation outlet board, goes to upper and lower the position and have 2 winding line outlets on this insulation outlet board.
3, the termination of a kind of low-pressure high-power motor according to claim 1 and 2 is characterized in that: described device is an aluminum cover plate at the line outlet cover plate of junction box seat downside.
4, the termination of a kind of low-pressure high-power motor according to claim 1 is characterized in that: there is seal the junction between described junction box seat and connector cover, junction box seat and the motor bed-plate all device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200292324U CN201430490Y (en) | 2009-07-03 | 2009-07-03 | Wiring device of low-voltage high-power motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200292324U CN201430490Y (en) | 2009-07-03 | 2009-07-03 | Wiring device of low-voltage high-power motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201430490Y true CN201430490Y (en) | 2010-03-24 |
Family
ID=42034229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200292324U Expired - Lifetime CN201430490Y (en) | 2009-07-03 | 2009-07-03 | Wiring device of low-voltage high-power motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201430490Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457398A (en) * | 2013-09-09 | 2013-12-18 | 中达电机股份有限公司 | Wiring board for low-voltage and high-power motor |
| CN103516116A (en) * | 2013-10-23 | 2014-01-15 | 中达电机股份有限公司 | Temperature measuring junction box device |
-
2009
- 2009-07-03 CN CN2009200292324U patent/CN201430490Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457398A (en) * | 2013-09-09 | 2013-12-18 | 中达电机股份有限公司 | Wiring board for low-voltage and high-power motor |
| CN103516116A (en) * | 2013-10-23 | 2014-01-15 | 中达电机股份有限公司 | Temperature measuring junction box device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100324 Effective date of abandoning: 20090703 |