CN103390960A - Anti-explosion multifunctional terminal box used for three-phase asynchronous motor - Google Patents
Anti-explosion multifunctional terminal box used for three-phase asynchronous motor Download PDFInfo
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- CN103390960A CN103390960A CN2013103222413A CN201310322241A CN103390960A CN 103390960 A CN103390960 A CN 103390960A CN 2013103222413 A CN2013103222413 A CN 2013103222413A CN 201310322241 A CN201310322241 A CN 201310322241A CN 103390960 A CN103390960 A CN 103390960A
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Abstract
The invention relates to an anti-explosion multifunctional terminal box used for a three-phase asynchronous motor, which comprises a terminal box base and a terminal box cover which are fixed on a motor bedplate, wherein a wire inlet mouth and a wire outlet mouth are formed at the bottom of the terminal box base. The anti-explosion multifunctional terminal box is characterized in that a terminal board is mounted in the terminal box base; the wiring board is connected with stator temperature measurement lead wires, bearing temperature measurement lead wires and heater lead wires respectively; the stator temperature measurement lead wires, the bearing temperature measurement lead wires and the heater lead wires are led in by a rubber sealing ring arranged at the side part of the terminal box base, and are sealed by an epoxy resin adhesive; a second metal washer and a second sealing ring are arranged between the wire inlet mouth and the terminal box base; and a first metal washer and a first sealing ring are arranged between the wire outlet mouth and the terminal box base. The anti-explosion multifunctional terminal box has the advantages of convenience in use, safety, reliability, attractive appearance, good universality, simple structure, low cost and the like.
Description
Technical field
The present invention relates to a kind of explosion-proof Multifunctional junction box for threephase asynchronous, especially a kind of terminal box that is applicable to high-power explosion-proof type threephase asynchronous, can carry out measuring temperature of bearing, stator thermometric and stator heating.
Background technology
For many years, the terminal box of the measuring temperature of bearing of medium-and-large-sized explosion proof three-phase asynchronous motor, stator thermometric and stator heating is to be divided into three terminal boxes.Very inconvenient for terminal block, terminal box is made processing difficulties, and machine shape is not attractive in appearance.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of explosion-proof Multifunctional junction box for threephase asynchronous is provided, rational in infrastructure, easy to process, make terminal block more convenient.
According to technical scheme provided by the invention, a kind of explosion-proof Multifunctional junction box for threephase asynchronous, comprise the junction box seat and the connector cover that are fixed on motor bed-plate, in the bottom of junction box seat, inlet wire mouth and outlet nozzle is set; Feature is: terminal block is installed in the inside at described junction box seat, connecting stator thermometric lead-in wire, measuring temperature of bearing go between and heater lead respectively on terminal block, stator thermometric lead-in wire, measuring temperature of bearing lead-in wire and heater lead are introduced by the rubber seal that is arranged on the junction box seat sidepiece, adopt the epoxide-resin glue sealing between stator thermometric lead-in wire, measuring temperature of bearing lead-in wire and heater lead and junction box seat.
The second metal washer and the second sealing ring are set between described inlet wire mouth and junction box seat, the first metal washer and the first sealing ring are set between outlet nozzle and junction box seat.
The faying face of described junction box seat and connector cover is explosion-insulation surface.
At the outside of described junction box seat dead earth board and explosion-proof sign board.
Explosion-proof Multifunctional junction box for threephase asynchronous of the present invention meets requirement of explosion proof, has that esy to use, safe and reliable, good looking appearance, versatility are good, simple in structure, low cost and other advantages, is the most suitable assistant junction box of fire-proof motor.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A-A cutaway view of Fig. 1.
Embodiment
The invention will be further described below in conjunction with concrete accompanying drawing.
As Fig. 1～shown in Figure 2: as described in comprise stator thermometric lead-in wire 1, measuring temperature of bearing lead-in wire 2, heater lead 3, rubber seal 4, epoxide-resin glue 5, junction box seat 6, connector cover 7, the first metal washer 8, the first sealing ring 9, outlet nozzle 10, the second metal washer 11, inlet wire mouth 12, the second sealing ring 13, ground connection board 14, terminal block 15, explosion-proof sign board 16 etc. for the explosion-proof Multifunctional junction box of threephase asynchronous.
As shown in Figure 1 and Figure 2, the present invention includes the junction box seat 6 and the connector cover 7 that are fixed on motor bed-plate, connector cover 7 is fixed on junction box seat 6 by bolt and packing ring; Inlet wire mouth 12 and outlet nozzle 10 are set in the bottom of described junction box seat 6, the second metal washer 11 and the second sealing ring 13 are set between inlet wire mouth 12 and junction box seat 6, the first metal washer 8 and the first sealing ring 9 are set between outlet nozzle 10 and junction box seat 6; Terminal block 15 is installed in inside at described junction box seat 6, difference connecting stator thermometric lead-in wire 1, measuring temperature of bearing lead-in wire 2 and heater lead 3 on terminal block 15, stator thermometric lead-in wire 1, measuring temperature of bearing lead-in wire 2 and heater lead 3 are introduced by the rubber seal 4 that is arranged on junction box seat 6 sidepieces, adopt epoxide-resin glue 5 sealings between stator thermometric lead-in wire 1, measuring temperature of bearing lead-in wire 2 and heater lead 3 and junction box seat 6;
Described junction box seat 6 is explosion-insulation surface with the faying face of connector cover 7;
At the outside of described junction box seat 6 dead earth board 14 and explosion-proof sign board 16.
Terminal box of the present invention meets the regulation of GB3836.1-2010 " the explosive atmosphere part 1: Device-General requires ", GB3836.2-2010 " explosive atmosphere part 2: by the equipment of flameproof enclosure " d " protection ", GB3836.3-2010 " explosive atmosphere the 3rd part: by the equipment of INCREASEDSAFETY " e " protection "; to meet the Ex element (explosion-proof electric apparatus element) that explosion-proof criteria requires; can meet the requirement of Exd I Mb, Exd II AT4 Gb, Exd II BT4 Gb for flame-proof type, other explosion-proof form can be used this terminal box.Therefore, this terminal box scope of application is larger, highly versatile, is the most suitable assistant junction box of medium-and-large-sized fire-proof motor.
Claims (4)
1. an explosion-proof Multifunctional junction box that is used for threephase asynchronous, comprise the junction box seat (6) and the connector cover (7) that are fixed on motor bed-plate, and inlet wire mouth (12) and outlet nozzle (10) are set in the bottom of junction box seat (6); It is characterized in that: terminal block (15) is installed in the inside at described junction box seat (6), at the upper connecting stator thermometric lead-in wire (1) respectively of terminal block (15), measuring temperature of bearing lead-in wire (2) and heater lead (3), stator thermometric lead-in wire (1), measuring temperature of bearing lead-in wire (2) and heater lead (3) are introduced by the rubber seal (4) that is arranged on junction box seat (6) sidepiece, adopt epoxide-resin glue (5) sealing between stator thermometric lead-in wire (1), measuring temperature of bearing lead-in wire (2) and heater lead (3) and junction box seat (6).
2. the explosion-proof Multifunctional junction box for threephase asynchronous as claimed in claim 1, it is characterized in that: the second metal washer (11) and the second sealing ring (13) are set between described inlet wire mouth (12) and junction box seat (6), the first metal washer (8) and the first sealing ring (9) are set between outlet nozzle (10) and junction box seat (6).
3. the explosion-proof Multifunctional junction box for threephase asynchronous as claimed in claim 1 is characterized in that: described junction box seat (6) is explosion-insulation surface with the faying face of connector cover (7).
4. the explosion-proof Multifunctional junction box for threephase asynchronous as claimed in claim 1, is characterized in that: at the outside of described junction box seat (6) dead earth board (14) and explosion-proof sign board (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103222413A CN103390960A (en) | 2013-07-29 | 2013-07-29 | Anti-explosion multifunctional terminal box used for three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103222413A CN103390960A (en) | 2013-07-29 | 2013-07-29 | Anti-explosion multifunctional terminal box used for three-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103390960A true CN103390960A (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103222413A Pending CN103390960A (en) | 2013-07-29 | 2013-07-29 | Anti-explosion multifunctional terminal box used for three-phase asynchronous motor |
Country Status (1)
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|---|---|
| CN (1) | CN103390960A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5725133A (en) * | 1980-07-23 | 1982-02-09 | Hitachi Ltd | Terminal box for motor |
| JPS58212340A (en) * | 1982-06-04 | 1983-12-10 | Toshiba Corp | Rotary electric machine |
| US4451750A (en) * | 1981-02-03 | 1984-05-29 | Elektro-Mechanik Gmbh | Protective arrangement for a plug-connected electric motor sealed against pressure, vapors and radiation |
| CN201174637Y (en) * | 2008-03-20 | 2008-12-31 | 上海电气集团上海电机厂有限公司 | Auxiliary wiring box of flame-proof type motor |
| CN201528241U (en) * | 2009-06-01 | 2010-07-14 | 德州恒力电机有限责任公司 | Explosion-proof type three-phase asynchronous motor junction box |
| CN201717718U (en) * | 2010-05-28 | 2011-01-19 | 南阳防爆集团新普电机有限公司 | Anti-explosion temperature measuring junction box |
| CN203377725U (en) * | 2013-07-29 | 2014-01-01 | 中达电机股份有限公司 | Explosion-proof multifunctional conjunction box for three-phase asynchronous motor |
-
2013
- 2013-07-29 CN CN2013103222413A patent/CN103390960A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5725133A (en) * | 1980-07-23 | 1982-02-09 | Hitachi Ltd | Terminal box for motor |
| US4451750A (en) * | 1981-02-03 | 1984-05-29 | Elektro-Mechanik Gmbh | Protective arrangement for a plug-connected electric motor sealed against pressure, vapors and radiation |
| JPS58212340A (en) * | 1982-06-04 | 1983-12-10 | Toshiba Corp | Rotary electric machine |
| CN201174637Y (en) * | 2008-03-20 | 2008-12-31 | 上海电气集团上海电机厂有限公司 | Auxiliary wiring box of flame-proof type motor |
| CN201528241U (en) * | 2009-06-01 | 2010-07-14 | 德州恒力电机有限责任公司 | Explosion-proof type three-phase asynchronous motor junction box |
| CN201717718U (en) * | 2010-05-28 | 2011-01-19 | 南阳防爆集团新普电机有限公司 | Anti-explosion temperature measuring junction box |
| CN203377725U (en) * | 2013-07-29 | 2014-01-01 | 中达电机股份有限公司 | Explosion-proof multifunctional conjunction box for three-phase asynchronous motor |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131113 |