CN201174519Y - Flame-proof permanent magnetic vacuum power distribution unit for mining - Google Patents
Flame-proof permanent magnetic vacuum power distribution unit for mining Download PDFInfo
- Publication number
- CN201174519Y CN201174519Y CNU2008200794913U CN200820079491U CN201174519Y CN 201174519 Y CN201174519 Y CN 201174519Y CN U2008200794913 U CNU2008200794913 U CN U2008200794913U CN 200820079491 U CN200820079491 U CN 200820079491U CN 201174519 Y CN201174519 Y CN 201174519Y
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- access door
- door
- hinge
- flame
- distribution equipment
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Abstract
The utility model discloses a mine explosion-proof permanent magnet vacuum power distribution device, comprising a case body and an access door connected with the case body, wherein the case body is provided with a door fame matched with the access door, and the access door has a hinge door structure. The mine explosion-proof permanent magnet vacuum power distribution device ensures that the access door can be opened rapidly due to the hinge door structure. The access door with the structure guarantees the convenience of the open and close operations of the door, and improves the working efficiency.
Description
Technical field
The utility model relates to a kind of flame-proof type permanent magnetism vacuum distribution equipment that uses under the coal mine that contains mists such as gas and coal dust explosion hazard.When spark produced, it can isolate electric arc in order to avoid the damp that ignites, in case gas explosion takes place in the flameproof enclosure, flameproof enclosure can block to explode and propagate outside case, can not cause that device gas or damp outward blast.
Background technology
There are spark or electric arc to produce if under coal mine, have in the environment of mist such as gas and coal dust explosion hazard, then might set off an explosion, cause serious security incident.And common power distribution equipment easily produces electric spark or electric arc when work, so the power distribution equipment that uses in mine need have the flame proof function, and electric spark or electric arc is isolated in power distribution equipment inside, prevents its outside imflammable gas that ignites, and blasts.
At present, the flame-proof mine vacuum distribution equipment of existing use in explosive gas atmosphere, comprise two kinds of high voltage distribution installation and low-voltage distribution equipments, its access door adopts bolted detachable structure, promptly many through holes are set in the edge of access door, corresponding, the screwed hole corresponding with through hole is set on the doorframe on the casing of power distribution equipment, by bolt with access door and firm the linking together of casing, the isolation of guard box inside and outside.When needs are opened access door, need to use spanner that the bolt on the access door is pulled down one by one, and then access door is pulled down from casing, when needs are shut access door, by opposite step access door is installed on the casing again.When the access door of this structure makes the operating cost open the door and close the door and effort, have a strong impact on operating efficiency.
In addition, the access door that reaches of the casing of existing power distribution equipment all has the metal acute angle, easily collides in producing, transport and using and hurts sb.'s feelings, scratches clothing and packing etc., is unfavorable for labour protection.
Have, do not have word marking on the control button of existing power distribution equipment, word marking is to follow closely on the control panel below the button with the mode of label, and label of long duration comes off easily, easily causes misoperation, not only influence production, and may produce security incident.
The utility model content
At the problem that prior art exists, the purpose of this utility model provides a kind of flame-proof mine permanent magnetism vacuum distribution equipment that access door is opened fast.
For solving the problems of the technologies described above, flame-proof mine permanent magnetism vacuum distribution equipment of the present utility model comprises casing and connection access door thereon, and described casing is provided with the doorframe that matches with described access door, and described access door adopts the hinge door.
Further, described hinge door comprises door-hinge, hinge and outer hinge in being provided with rotationally on the described door-hinge, and described interior hinge is fixed on the casing, and described outer hinge is connected with described access door, and described doorframe is provided with the locking device that matches with access door.
Further, described outer hinge is provided with the rack-and-pinion device, described tooth bar and access door relative fixed, be rotatably supported in described the above gear shaft of outer hinge with the gear shaft of described tooth bar meshed gears and be provided with the spanner that described gear shaft is rotated around the axle center, described locking device is to be installed in the block that has projection and groove on the described doorframe, with be installed in the lock dog that has projection and groove on the described access door, the lock dog on block on the described doorframe and the described access door can be entrenched togather mutually.
Further, all corner angle of described casing and access door are fillet, and casing adopts shaped by fluid pressure for four jiaos.
Further, described power distribution equipment also is provided with button, be carved with word marking on the described button, described button has flat key shape projection, described access door is provided with the circular hole that has keyway that matches with described button, described flat key shape projection is positioned at described keyway, and described button can produce slide relative vertically with the circular hole that has keyway.
Further, described word marking is the concavity font.
Further, be provided with high voltage vacuum permanent magnet circuit breaker in the described device.
The utility model can open access door by adopting the hinge door fast.Feasible open the door and close the door easy to operate of the access door of this structure can be increased work efficiency.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Fig. 1 is the schematic diagram of the flame-proof mine permanent magnetism vacuum distribution equipment of prior art;
Fig. 2 is a kind of execution mode schematic diagram of the flame-proof mine vacuum distribution equipment that the utility model proposes;
Fig. 3 is the schematic diagram when access door is opened among Fig. 2;
Fig. 4 is the structural representation of the access door of the flame-proof mine permanent magnetism vacuum distribution equipment that the utility model proposes;
Fig. 5 is the schematic diagram of the button of the flame-proof mine permanent magnetism vacuum distribution equipment that the utility model proposes;
Fig. 6 is that the A-A of Fig. 5 is to cutaway view;
Fig. 7 is the another kind of execution mode schematic diagram of the flame-proof mine permanent magnetism vacuum distribution equipment that the utility model proposes;
Fig. 8 is the schematic diagram when access door is opened among Fig. 7.
Embodiment
Embodiment 1:
Referring to Fig. 2 to Fig. 4, a kind of flame-proof mine permanent magnetism of the utility model vacuum distribution equipment comprises casing 1 ' and connection access door 2 ' thereon, and casing 1 ' is provided with the doorframe 3 ' that matches with access door 2 ', and access door 2 ' adopts the hinge door.The hinge door comprises door-hinge 21 ', hinge 22 ' and outer hinge 23 ' in being provided with rotationally on the door-hinge 21 ', interior hinge 22 ' is fixed on the casing 1 ', and outer hinge 23 ' is connected with access door 2 ', and doorframe 3 ' is provided with the locking device that matches with access door 2 '.Outer hinge 23 ' is provided with the rack-and-pinion device, tooth bar 231 ' fixes with access door 2 ', be rotatably supported on the outer hinge 23 ' with the gear shaft 233 ' of tooth bar 231 ' meshed gears 232 ', gear shaft 233 ' is provided with the spanner 234 ' that gear shaft 233 ' is rotated around the axle center, locking device is for being installed in the lock dog that has projection and groove on the block that has projection and groove on the doorframe 3 ' and the access door 2 ', and block and lock dog can be entrenched togather mutually.Block comprises first block 34 ', second block 35 ', the 3rd block 36 '.Lock dog comprises first lock dog 24 ', second lock dog 25 ', the 3rd lock dog 26 '.First block 34 ' matches with first lock dog 24 ', and second block 35 ' matches with second lock dog 25 ', and the 3rd block 36 ' matches with the 3rd lock dog 26 '.Have the fixedly screwed hole of electromechanical linkage screw 5 ' on the access door 2 ', the relevant position on the doorframe 3 ' has through hole, and electromechanical linkage screw 5 ' passes through hole and is screwed in the access door 2 ' upper screwed hole.When access door 2 ' needs to open, electromechanical linkage screw 5 ' is unclamped, then spanner 234 ' is lifted, laterally pull again, driven gear axle 233 ' rotation, thus make gear 232 ' rotation, further drive tooth bar 231 ' and access door 2 ' moves horizontally together, at this moment, the lock dog 24 ' on lock dog on the doorframe 3 ' 24 ' and the access door 2 ' is separated from each other from mutual chimeric becoming.At this moment, access door 2 ' just is pulled outwardly and can opens it.When needs are closed access door 2 ', by above-mentioned opposite operating procedure, earlier door is shut, oppositely pull spanner 234 ' again, again electromechanical linkage screw 5 ' is tightened at last, can be with access door 2 ' locking.Access door 2 ' feasible open the door and close the door easy to operate of this structure can be increased work efficiency.This structure is used in particular for low-voltage variation.
The corner angle of casing 1 ' and access door 2 ' are fillet, and casing adopts shaped by fluid pressure for four jiaos.Can prevent that so sharp-pointed corner angle from easily scratching staff, clothing and packing etc. in producing, transport and using, help labour protection.And relative wedge angle, also more attractive in appearance.
Referring to Fig. 2, Fig. 5 and Fig. 6, power distribution equipment also is provided with button 4 ', is carved with word marking on the button 4 ', and word marking is the concavity font.Such word marking service time of a specified duration also can keep clear, can not prevent the security incident that produces because of aforementioned misoperation because of the unclear misoperation of word marking.Button 4 ' is for having the cylindrical of flat key shape projection 41 ', be embedded in the circular hole that has keyway 42 ' that matches on the access door 2 ', projection 41 ' can be slided along keyway 42 ' in circular hole, prevent button 4 ' and have the circular hole of keyway 42 ' to produce relative rotation that the direction of the word marking on the assurance button 4 ' all the time up.Similarly, projection 41 ' also can replace with a screw, screw is screwed in the relevant position on the sidewall of button 4 ', screw can be slided in keyway 42 ', can play the function that prevents that button 4 ' and the circular hole that keyway 42 ' is arranged from producing relative rotation too.
Be provided with high voltage vacuum permanent magnet circuit breaker in the flame-proof mine permanent magnetism vacuum distribution equipment.High voltage vacuum permanent magnet circuit breaker that adopts and the difference of common stored energy circuit breaker are as follows:
The solid isolated vacuum arc control device that adopt ceramic sintering to form;
Be connected with the vacuum interrupter moving contact by insulated tension pole, adopt permanent-magnet locked operating mechanism.Utilize synchronizing shaft to realize that three link with mechanical interlocked;
This mechanism adopts the novel operating mechanism of permanent magnet and electromagnetic mechanism combination, can finish the single shot reclosing process after the end of magnetizing;
The monostable shackle designs.The permanent magnetism snap close is adopted in combined floodgate, separating brake position.Machinery is simple and reliable; Transmissions such as no connecting rod, cam adopt the few volume of the directly moving design elements of single shaft little;
Utilize computer-aided design, analyze the distribution of permanent magnet in magnet steel, increase the confining force when closing a floodgate, reduce the requirement of closing coil, reduce switching current automatically controlled impact to electric current.The maximum instantaneous power consumption that magnetizes is 100W, and normal power consumption is 10W.Adopt unicoil control breaking-closing operating, simplify the mechanical part overall structure.
The electric capacity that magnetizes adopts ten thousand special uses electric capacity that magnetizes.Close a floodgate and separate with separating brake electric capacity; The damage of electric capacity in making process of avoiding closing a floodgate influences separating brake;
Separating brake adopts electromagnetism and manual two kinds of separating brake modes.The electromagnetism separating brake, the energy storage and the intelligent electric-controlled separating brake that carries out of employing separating brake electric capacity.Guarantee when under-voltage, dead electricity and charge circuit break down, to judge in advance reliably separating brake;
Perfect Based Intelligent Control has guaranteed the reliability of stopping, powering;
Adopt DC power supply to power separately, can save charge circuit fully, it is minimum that failure rate is dropped to.
Adopt the little processing protector of PIR-GY of advanced technology; high-precision data processing and advanced Protection Code; have System self-test, failure diagnosis, protection, memory; can detect digitlization in real time and show that running status and fault show, and be furnished with experiment power supply and under the situation of failure to trip, test detection failure state permission breaker closing after fault is got rid of.The accuracy of detection height, reaction speed is fast.Control two-way output simultaneously, can satisfy the connection and the malfunction elimination of multichannel heavy load.
Current transformer that present embodiment is built-in and the supporting use of our company's intelligent multi-function comprehensive protection device are with current protecting function such as the overload that realizes feeding switch, short circuit, imbalances.This current transformer has the advantage of electrodeless debugging, i.e. electric current input need not to change any part in the 0-1000A scope, thereby reaches the effect of continuous operation, and is time saving and energy saving.
Embodiment 2:
Referring to Fig. 7 and Fig. 8, the another kind of flame-proof mine permanent magnetism of the utility model vacuum distribution equipment comprises casing 1 ' and connection access door 2 ' thereon, and casing 1 ' is provided with the doorframe 3 ' that matches with access door 2 ', and access door 2 ' adopts the hinge door.The hinge door comprises door-hinge 21 ', hinge 22 ' and outer hinge 23 ' in being provided with rotationally on the door-hinge 21 ', interior hinge 22 ' is fixed on the casing 1 ', and outer hinge 23 ' is connected with access door 2 ', and doorframe 3 ' is provided with the locking device that matches with access door 2 '.Outer hinge 23 ' is provided with the rack-and-pinion device, tooth bar 231 ' fixes with access door 2 ', be rotatably supported on the outer hinge 23 ' with the gear shaft 233 ' of tooth bar 231 ' meshed gears 232 ', gear shaft 233 ' is provided with the spanner 234 ' that gear shaft 233 ' is rotated around the axle center, locking device is for being installed in the lock dog that has projection and groove on the block that has projection and groove on the doorframe 3 ' and the access door 2 ', and block and lock dog can be entrenched togather mutually.Block comprises first block 34 ', second block 35 ', the 3rd block 36 '.Lock dog comprises first lock dog 24 ', second lock dog 25 ', the 3rd lock dog 26 '.First block 34 ' matches with first lock dog 24 ', and second block 35 ' matches with second lock dog 25 ', and the 3rd block 36 ' matches with the 3rd lock dog 26 '.Have the fixedly screwed hole of electromechanical linkage screw 5 ' on the access door 2 ', the relevant position on the doorframe 3 ' has through hole, and electromechanical linkage screw 5 ' passes through hole and is screwed in the access door 2 ' upper screwed hole.When access door 2 ' needs to open, electromechanical linkage screw 5 ' is unclamped, then spanner 234 ' is lifted, laterally pull again, driven gear axle 233 ' rotation, thus make gear 232 ' rotation, further drive tooth bar 231 ' and access door 2 ' moves horizontally together, at this moment, the lock dog 24 ' on lock dog on the doorframe 3 ' 24 ' and the access door 2 ' is separated from each other from mutual chimeric becoming.At this moment, access door 2 ' just is pulled outwardly and can opens it.When needs are closed access door 2 ', by above-mentioned opposite operating procedure, earlier door is shut, oppositely pull spanner 234 ' again, again electromechanical linkage screw 5 ' is tightened at last, can be with access door 2 ' locking.Access door 2 ' feasible open the door and close the door easy to operate of this structure can be increased work efficiency.This structure is used in particular for high voltage protective.
The corner angle of casing 1 ' and access door 2 ' are fillet, and casing adopts shaped by fluid pressure for four jiaos.Can prevent that so sharp-pointed corner angle from easily scratching staff, clothing and packing etc. in producing, transport and using, help labour protection.And relative wedge angle, also more attractive in appearance.
Referring to Fig. 5 and Fig. 6, power distribution equipment also is provided with button 4 ', is carved with word marking on the button 4 ', and word marking is the concavity font.Such word marking service time of a specified duration also can keep clear, can not prevent the security incident that produces because of aforementioned misoperation because of the unclear misoperation of word marking.Button 4 ' is for having the cylindrical of flat key shape projection 41 ', be embedded in the circular hole that has keyway 42 ' that matches on the access door 2 ', projection 41 ' can be slided along keyway 42 ' in circular hole, prevent button 4 ' and have the circular hole of keyway 42 ' to produce relative rotation that the direction of the word marking on the assurance button 4 ' all the time up.Similarly, projection 41 ' also can replace with a screw, screw is screwed in the relevant position on the sidewall of button 4 ', screw can be slided in keyway 42 ', can play the function that prevents that button 4 ' and the circular hole that keyway 42 ' is arranged from producing relative rotation too.
Be provided with high voltage vacuum permanent magnet circuit breaker in the flame-proof mine permanent magnetism vacuum distribution equipment.High voltage vacuum permanent magnet circuit breaker that adopts and the difference of common stored energy circuit breaker are as follows:
The solid isolated vacuum arc control device that adopt ceramic sintering to form;
Be connected with the vacuum interrupter moving contact by insulated tension pole, adopt permanent-magnet locked operating mechanism.Utilize synchronizing shaft to realize that three link with mechanical interlocked;
This mechanism adopts the novel operating mechanism of permanent magnet and electromagnetic mechanism combination, can finish the single shot reclosing process after the end of magnetizing;
The monostable shackle designs.The permanent magnetism snap close is adopted in combined floodgate, separating brake position.Machinery is simple and reliable; Transmissions such as no connecting rod, cam adopt the few volume of the directly moving design elements of single shaft little;
Utilize computer-aided design, analyze the distribution of permanent magnet in magnet steel, increase the confining force when closing a floodgate, reduce the requirement of closing coil, reduce switching current automatically controlled impact to electric current.The maximum instantaneous power consumption that magnetizes is 100W, and normal power consumption is 10W.Adopt unicoil control breaking-closing operating, simplify the mechanical part overall structure.
The electric capacity that magnetizes adopts ten thousand special uses electric capacity that magnetizes.Close a floodgate and separate with separating brake electric capacity; The damage of electric capacity in making process of avoiding closing a floodgate influences separating brake;
Separating brake adopts electromagnetism and manual two kinds of separating brake modes.The electromagnetism separating brake, the energy storage and the intelligent electric-controlled separating brake that carries out of employing separating brake electric capacity.Guarantee when under-voltage, dead electricity and charge circuit break down, to judge in advance reliably separating brake;
Perfect Based Intelligent Control has guaranteed the reliability of stopping, powering;
Adopt DC power supply to power separately, can save charge circuit fully, it is minimum that failure rate is dropped to.
Adopt the little processing protector of PIR-GY of advanced technology; high-precision data processing and advanced Protection Code; have System self-test, failure diagnosis, protection, memory; can detect digitlization in real time and show that running status and fault show, and be furnished with experiment power supply and under the situation of failure to trip, test detection failure state permission breaker closing after fault is got rid of.The accuracy of detection height, reaction speed is fast.Control two-way output simultaneously, can satisfy the connection and the malfunction elimination of multichannel heavy load.
Current transformer that present embodiment is built-in and the supporting use of our company's intelligent multi-function comprehensive protection device are with current protecting function such as the overload that realizes feeding switch, short circuit, imbalances.This current transformer has the advantage of electrodeless debugging, i.e. electric current input need not to change any part in the 0-1000A scope, thereby reaches the effect of continuous operation, and is time saving and energy saving.
Claims (7)
1. a flame-proof mine permanent magnetism vacuum distribution equipment comprises casing and connection access door thereon, and described casing is provided with the doorframe that matches with described access door and it is characterized in that, described access door adopts the hinge door.
2. flame-proof mine permanent magnetism vacuum distribution equipment according to claim 1, it is characterized in that, described hinge door comprises door-hinge, hinge and outer hinge in being provided with rotationally on the described door-hinge, hinge is fixed on the casing in described, described outer hinge is connected with described access door, and described doorframe is provided with the locking device that matches with access door.
3. flame-proof mine permanent magnetism vacuum distribution equipment according to claim 2, it is characterized in that, described outer hinge is provided with the rack-and-pinion device, described tooth bar and access door relative fixed, be rotatably supported on the described outer hinge with the gear shaft of described tooth bar meshed gears, described gear shaft is provided with the spanner that described gear shaft is rotated around the axle center, described locking device is to be installed in the block that has projection and groove on the described doorframe, with be installed in the lock dog that has projection and groove on the described access door, the lock dog on block on the described doorframe and the described access door can be entrenched togather mutually.
4. according to each described flame-proof mine permanent magnetism vacuum distribution equipment of claim 1 to 3, it is characterized in that all corner angle of described casing and access door are fillet, casing adopts shaped by fluid pressure for four jiaos.
5. flame-proof mine permanent magnetism vacuum distribution equipment according to claim 4, it is characterized in that, described power distribution equipment also is provided with button, be carved with word marking on the described button, described button has flat key shape projection, described access door is provided with the circular hole that has keyway that matches with described button, and flat described key shape projection is positioned at described keyway, and described button can produce slide relative vertically with the circular hole that has keyway.
6. flame-proof mine permanent magnetism vacuum distribution equipment according to claim 5 is characterized in that described word marking is the concavity font.
7. flame-proof mine permanent magnetism vacuum distribution equipment according to claim 6 is characterized in that, is provided with high voltage vacuum permanent magnet circuit breaker in the described device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200794913U CN201174519Y (en) | 2008-03-19 | 2008-03-19 | Flame-proof permanent magnetic vacuum power distribution unit for mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200794913U CN201174519Y (en) | 2008-03-19 | 2008-03-19 | Flame-proof permanent magnetic vacuum power distribution unit for mining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201174519Y true CN201174519Y (en) | 2008-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200794913U Expired - Lifetime CN201174519Y (en) | 2008-03-19 | 2008-03-19 | Flame-proof permanent magnetic vacuum power distribution unit for mining |
Country Status (1)
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| CN (1) | CN201174519Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474894A (en) * | 2013-08-30 | 2013-12-25 | 城开河北科技开发有限公司 | Intelligent mining explosive-proof type high-low voltage power distribution device |
| CN104916470A (en) * | 2015-06-29 | 2015-09-16 | 温州侨融电子科技有限公司 | Explosive-proof device having interlocking mechanism |
| CN112289632A (en) * | 2020-09-18 | 2021-01-29 | 安徽正日电气有限公司 | Outdoor vacuum circuit breaker |
-
2008
- 2008-03-19 CN CNU2008200794913U patent/CN201174519Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474894A (en) * | 2013-08-30 | 2013-12-25 | 城开河北科技开发有限公司 | Intelligent mining explosive-proof type high-low voltage power distribution device |
| CN104916470A (en) * | 2015-06-29 | 2015-09-16 | 温州侨融电子科技有限公司 | Explosive-proof device having interlocking mechanism |
| CN104916470B (en) * | 2015-06-29 | 2017-03-15 | 温州侨融电子科技有限公司 | A kind of explosion isolation device with interlocking mechanism |
| CN112289632A (en) * | 2020-09-18 | 2021-01-29 | 安徽正日电气有限公司 | Outdoor vacuum circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yancheng Zhongmei Yatai Electromechanical Equipment Manufacturing Co., Ltd. Assignor: Yu Busheng Contract record no.: 2013320000695 Denomination of utility model: Flame-proof permanent magnetic vacuum power distribution unit for mining Granted publication date: 20081231 License type: Exclusive License Record date: 20130922 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081231 |