CN204118017U - With the double break control and protective switching device of spring protection element - Google Patents
With the double break control and protective switching device of spring protection element Download PDFInfo
- Publication number
- CN204118017U CN204118017U CN201420607500.7U CN201420607500U CN204118017U CN 204118017 U CN204118017 U CN 204118017U CN 201420607500 U CN201420607500 U CN 201420607500U CN 204118017 U CN204118017 U CN 204118017U
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- heat insulation
- touch panel
- buffer substrate
- substrate tablet
- insulation buffer
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Abstract
The utility model discloses a kind of double break control and protective switching device with spring protection element, pedestal is provided with the fixed support plate for a racking touch panel, described dynamic touch panel is provided with heat insulation buffer substrate tablet towards the other end of moving contact, described heat insulation buffer substrate tablet is connected by a flexible member with between fixed support plate, be arranged so that flexible member directly can not contact with static contact panel by heat insulating mattress, the high temperature produced during short circuit can not be directly delivered on elasticity original paper, play an effect of heat insulation, prevent flexible member Yin Gaowen from annealing, influence elastane element function, improve the useful life of flexible member, ensure the normal operation of electrical equipment simultaneously.
Description
Technical field
The utility model relates to a kind of electric equipment, and more particularly, it relates to the double break control and protective switching device of band spring protection element.
Background technology
Control and protective switch product adopts modular single product structural shape, be integrated with traditional circuit breaker (fuse), contactor, overload (or overcurrent, disconnected phase) protection relay, starter, the major function of isolator etc., be mainly used in exchanging 50Hz (60Hz), rated voltage is to 690V, rated current is from 3A to 100A, adjustable working electric current is connected in the electric power system of 0.12A to 100A, carrying and disjunction normal condition (comprising the overload condition of regulation) under circuit, and can connect, carrying circuit under the non-normal condition (as short circuit) that specifies of disjunction.
At present, the application number on market is that the Chinese patent of CN201220162809.0 discloses a kind of double break control and protective switching device with spring protection element, and it comprises this housing, and the bridge contact system in the housing of setting and electromagnetic tripping system; Electromagnetic tripping system comprise dropout support, tripping coil, be arranged in tripping coil dynamic iron core, rotate and metal pushrod is in the housing set, for providing the spring of reseting elasticity for push rod, rotates the interlock plate that is arranged on dropout support and for providing the torsion spring of reseting elasticity for interlock plate; Described dynamic iron core can move up and down, and metal pushrod is positioned at immediately below dynamic iron core, and can under the reseting elasticity effect of the impetus of dynamic iron core and spring in certain angle reciprocating rotation; Described interlock plate under the reseting elasticity effect of torsion spring and under External Force Acting in certain angle reciprocating rotation, and can be stopped by described push rod when being on maximum energy storage position when torsion spring and locate.Wherein bridge contact system plays support and rebound effect by spring to contact.
But, in open circuit process, a large amount of electric arc can be produced, thereupon can produce high temperature on dynamic/static contact, directly contact with moving contact with the spring of resilience moving contact owing to supporting, the at high temperature easy temperature distortion of spring was lost efficacy, once lose efficacy, spring was played a supporting role to moving contact nothing but, or moving contact cannot resilience, cause moving contact and fixed contact loose contact, making electrically cannot path.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is the control and protective switching device providing band spring protection element.
For achieving the above object, the utility model provides following technical scheme:
A kind of double break control and protective switching device with spring protection element, comprise pedestal, described pedestal comprises the upper cover plate and lower cover that can mutually cover, two arc-extinguish chambers and current-limiting inductor is provided with in described pedestal, described current-limiting inductor is provided with short circuit tripping mechanism, described current-limiting inductor is arranged on outside the arc control device of arc-extinguish chamber, the side of the relative current-limiting inductor of described arc-extinguish chamber is provided with the first static contact panel and the second static contact panel, described first static contact panel and the second static contact panel are all provided with fixed contact, described first static contact panel is connected with current-limiting inductor, dynamic touch panel is provided with between described two arc-extinguish chambers, described dynamic touch panel is provided with two corresponding with fixed contact respectively moving contacts, described dynamic touch panel is connected with a strutting piece, described strutting piece stretches out outside pedestal, be connected with short circuit tripping mechanism, described pedestal is also provided with the fixed support plate for a racking touch panel, described dynamic touch panel is provided with heat insulation buffer substrate tablet towards the other end of moving contact, described heat insulation buffer substrate tablet is connected by a flexible member with between fixed support plate.
By adopting technique scheme, time in normal state, short circuit tripping mechanism is connected with strutting piece, short circuit tripping mechanism does not occur, when curtage is excessive, when electric current is by current-limiting inductor, current-limiting inductor is increased by electric current, current-limiting inductor produces magnetic, inner dynamic core is moved, dynamic core moves and drives the motion of short circuit tripping mechanism, thus drive support movements, along with the motion of strutting piece, dynamic touch panel can be driven to move, thus two moving contacts making to be arranged on dynamic touch panel are respectively away from the fixed contact on the first static contact panel and the second static contact panel, realize the work of open circuit.The spring be now arranged between fixed support plate and heat insulation buffer substrate tablet can be in compressive state, and after open circuit, current-limiting inductor is no longer energized, and dynamic core reverts to original position.
By the fixed contact that the first static contact panel and the second static contact panel are arranged respectively, and the cooperation on dynamic touch panel between two moving contacts, realize the folding of double breaking points control circuit, make open-and-close mechanism more reliable, safety.
In open circuit process, a large amount of electric arc can be produced, also can produce high temperature at contact place simultaneously, high temperature is delivered on heat insulation buffer substrate tablet by dynamic touch panel, heat insulation buffer substrate tablet serves a heat-blocking action to spring, make spring can not directly contact dynamic touch panel, heat insulation buffer substrate tablet absorbs a part of heat, makes spring can not be in the condition of high temperature in open circuit process.
The at high temperature easy temperature distortion of spring was lost efficacy, once lose efficacy, spring was played a supporting role to moving contact nothing but, or moving contact cannot resilience, and cause moving contact and fixed contact loose contact, making electrically cannot path.
So the setting of heat insulation buffer substrate tablet, serve the protection to spring, the useful life of spring is extended, ensure that the normal operation of control and protective switching device.Also serve a cushioning effect simultaneously, decrease the shock infringement caused in vibration preventing spring to static contact panel.
The utility model is set to further: described flexible member is spring, described heat insulation buffer substrate tablet is provided with boss towards the side of fixed support plate, described fixed support plate is connected with rubber projection on the side of moving contact, described spring one end is connected on rubber projection, and the other end is connected on boss.
By adopting technique scheme, dynamic touch panel, by being arranged between boss on heat insulation buffer board and rubber projection, supports by spring, and boss and projection are fixed with a guide effect to spring, and the connection of dynamic touch panel and fixed support plate is more firm simultaneously.
The utility model is set to further: described dynamic touch panel and heat insulation buffer substrate tablet contact position are provided with locating piece, and described heat insulation buffer substrate tablet is provided with the groove coordinated with locating piece.
By adopting technique scheme, by being arranged on locating piece on dynamic touch panel and being arranged on the cooperation of the groove on heat insulation buffer substrate tablet, what it is such that heat insulation buffer substrate tablet can be more firm contacts on dynamic touch panel.
The utility model is set to further: described heat insulation buffer substrate tablet is the plastic sheet of PA66 material.
By adopting technique scheme, PA66 plastics good heat-insulation effect, has certain elasticity, and very common on the market, and cost is low, can play good heat insulation buffering effect.
Accompanying drawing explanation
Fig. 1 is the cut-away view of the double break control and protective switching device embodiment of the utility model band spring protection element;
Fig. 2 is the heat insulation buffer substrate tablet cooperation figure of the double break control and protective switching device embodiment of the utility model band spring protection element;
Fig. 3 is the lower cover structure chart of the double break control and protective switching device embodiment of the utility model band spring protection element;
Fig. 4 is the upper cover plate structure chart of the double break control and protective switching device embodiment of the utility model band spring protection element.
Reference numeral: 1, pedestal; 2, upper bottom; 3, lower bottom cover; 4, arc-extinguish chamber; 5, current-limiting inductor; 6, short circuit tripping mechanism; 7, the first static contact panel; 8, the second static contact panel; 9, fixed contact; 10, dynamic touch panel; 11, moving contact; 12, fixed support plate; 13, heat insulation buffer substrate tablet; 14, strutting piece; 15, boss; 16, rubber projection; 17, locating piece; 18, groove; 19, spring.
Embodiment
Referring to figs. 1 through Fig. 4, the double break control and protective switching device embodiment of the utility model band spring protection element is described further.
A kind of double break control and protective switching device with spring protection element, comprise pedestal 1, described pedestal 1 comprises the upper cover plate 2 and lower cover 3 that can mutually cover, two arc-extinguish chambers 4 and current-limiting inductor 5 is provided with in described pedestal 1, described current-limiting inductor 5 is provided with short circuit tripping mechanism 6, described current-limiting inductor 5 is arranged on outside the arc control device of arc-extinguish chamber 4, the side of the relative current-limiting inductor 5 of described arc-extinguish chamber 4 is provided with the first static contact panel 7 and the second static contact panel 8, described first static contact panel 7 and the second static contact panel 8 are all provided with fixed contact 9, described first static contact panel 7 is connected with current-limiting inductor 5, dynamic touch panel 10 is provided with between described two arc-extinguish chambers 4, described dynamic touch panel 10 is provided with two corresponding with fixed contact 9 respectively moving contacts 11, described dynamic touch panel 10 is connected with a strutting piece 14, described strutting piece 14 stretches out outside pedestal 1, be connected with short circuit tripping mechanism 6, described pedestal 1 is also provided with the fixed support plate 12 for a racking touch panel 10, described dynamic touch panel 10 is provided with heat insulation buffer substrate tablet 13 towards the other end of moving contact 11, described heat insulation buffer substrate tablet 13 is the plastic sheet of PA66 material, described dynamic touch panel 10 is provided with locating piece 17 with heat insulation buffer substrate tablet 13 contact position, described heat insulation buffer substrate tablet 13 is provided with the groove 18 coordinated with locating piece 17, described heat insulation buffer substrate tablet 13 is connected by a spring 19 with between fixed support plate 12.
Described heat insulation buffer substrate tablet 13 is provided with boss 15 towards the side of fixed support plate 12, and described fixed support plate 12 is connected with rubber projection 16 on the side of moving contact, and described spring 19 one end is connected on rubber projection 16, and the other end is connected on boss 15.
Dynamic touch panel 10, by being arranged between boss 15 on heat insulation buffer board and rubber projection 16, supports by spring 19, and boss 15 and projection are fixed with a guide effect to spring 19, and the connection of dynamic touch panel 10 and fixed support plate 12 is more firm simultaneously.
By being arranged on locating piece on dynamic touch panel 10 17 and being arranged on the cooperation of the groove 18 on heat insulation buffer substrate tablet 13, what it is such that heat insulation buffer substrate tablet 13 can be more firm contacts on dynamic touch panel 10.
PA66 plastics good heat-insulation effect, has certain elasticity, and very common on the market, and cost is low, can play good heat insulation buffering effect.
Time in normal state, short circuit tripping mechanism 6 is connected with strutting piece 14, short circuit tripping mechanism 6 does not occur, when curtage is excessive, when electric current is by current-limiting inductor 5, current-limiting inductor 5 is increased by electric current, current-limiting inductor 5 produces magnetic, inner dynamic core is moved, dynamic core moves and drives short circuit tripping mechanism 6 to move, thus drive strutting piece 14 to move, along with the motion of strutting piece 14, dynamic touch panel 10 can be driven to move, thus two moving contacts making to be arranged on dynamic touch panel 10 are respectively away from the fixed contact on the first static contact panel 7 and the second static contact panel 8, realize the work of open circuit.The spring 19 be now arranged between fixed support plate 12 and heat insulation buffer substrate tablet 13 can be in compressive state, and after open circuit, current-limiting inductor 5 is no longer energized, and dynamic core reverts to original position.
By the fixed contact 9 that the first static contact panel 7 and the second static contact panel 8 are arranged respectively, and the cooperation on dynamic touch panel 10 between two moving contacts 11, realize the folding of double breaking points control circuit, make open-and-close mechanism more reliable, safety.
In open circuit process, a large amount of electric arc can be produced, also can produce high temperature at contact place simultaneously, high temperature is delivered on heat insulation buffer substrate tablet 13 by dynamic touch panel 10, heat insulation buffer substrate tablet 13 serves a heat-blocking action to spring 19, make spring 19 directly can not contact dynamic touch panel 10, heat insulation buffer substrate tablet 13 absorbs a part of heat, makes spring 19 can not be in the condition of high temperature in open circuit process.
At high temperature spring 19 easily temperature distortion lost efficacy, once lose efficacy, spring 19 was played a supporting role to moving contact nothing but, or moving contact cannot resilience, and cause moving contact and fixed contact loose contact, making electrically cannot path.
So the setting of heat insulation buffer substrate tablet 13, serve the protection to spring 19, the useful life of spring 19 is extended, ensure that the normal operation of control and protective switching device.Also serve a cushioning effect simultaneously, decrease the shock infringement caused in vibration preventing spring 19 pairs of static contact panels.
The above is only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (4)
1. the double break control and protective switching device with spring protection element, comprise pedestal, described pedestal comprises the upper cover plate and lower cover that mutually cover, two arc-extinguish chambers and current-limiting inductor is provided with in described pedestal, described current-limiting inductor is provided with short circuit tripping mechanism, described current-limiting inductor is arranged on outside the arc control device of arc-extinguish chamber, it is characterized in that: the side of the relative current-limiting inductor of described arc-extinguish chamber is provided with the first static contact panel and the second static contact panel, described first static contact panel and the second static contact panel are all provided with fixed contact, described first static contact panel is connected with current-limiting inductor, dynamic touch panel is provided with between described two arc-extinguish chambers, described dynamic touch panel is provided with two corresponding with fixed contact respectively moving contacts, described dynamic touch panel is connected with a strutting piece, described strutting piece stretches out outside pedestal, be connected with short circuit tripping mechanism, described pedestal is also provided with the fixed support plate for a racking touch panel, described dynamic touch panel is provided with heat insulation buffer substrate tablet towards the other end of moving contact, described heat insulation buffer substrate tablet is connected by a flexible member with between fixed support plate.
2. the double break control and protective switching device of band spring protection element according to claim 1; it is characterized in that: described flexible member is spring; described heat insulation buffer substrate tablet is provided with boss towards the side of fixed support plate; described fixed support plate is connected with rubber projection on the side of moving contact; described spring one end is connected on rubber projection, and the other end is connected on boss.
3. the double break control and protective switching device of band spring protection element according to claim 1, is characterized in that: described dynamic touch panel and heat insulation buffer substrate tablet contact position are provided with locating piece, and described heat insulation buffer substrate tablet is provided with the groove coordinated with locating piece.
4. the double break control and protective switching device of band spring protection element according to claim 1, is characterized in that: described heat insulation buffer substrate tablet is the plastic sheet of PA66 material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420607500.7U CN204118017U (en) | 2014-10-21 | 2014-10-21 | With the double break control and protective switching device of spring protection element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420607500.7U CN204118017U (en) | 2014-10-21 | 2014-10-21 | With the double break control and protective switching device of spring protection element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204118017U true CN204118017U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420607500.7U Expired - Fee Related CN204118017U (en) | 2014-10-21 | 2014-10-21 | With the double break control and protective switching device of spring protection element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204118017U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679619A (en) * | 2016-03-30 | 2016-06-15 | 上海电科电器科技有限公司 | On-off mechanism of electric appliance switch |
| CN106449220A (en) * | 2016-12-02 | 2017-02-22 | 雷顿电气科技有限公司 | Base final assembly of electric switch |
| CN109616345A (en) * | 2018-12-31 | 2019-04-12 | 雷顿电气科技有限公司 | The pedestal general assembly of electric switch |
-
2014
- 2014-10-21 CN CN201420607500.7U patent/CN204118017U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679619A (en) * | 2016-03-30 | 2016-06-15 | 上海电科电器科技有限公司 | On-off mechanism of electric appliance switch |
| CN105679619B (en) * | 2016-03-30 | 2017-11-10 | 上海电科电器科技有限公司 | The connection disjunction mechanism of electric switch |
| CN106449220A (en) * | 2016-12-02 | 2017-02-22 | 雷顿电气科技有限公司 | Base final assembly of electric switch |
| CN106449220B (en) * | 2016-12-02 | 2019-02-05 | 雷顿电气科技有限公司 | The pedestal general assembly of electric switch |
| CN109616345A (en) * | 2018-12-31 | 2019-04-12 | 雷顿电气科技有限公司 | The pedestal general assembly of electric switch |
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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: 20150121 Termination date: 20171021 |