CN204668199U - A kind of control and protective switch - Google Patents
A kind of control and protective switch Download PDFInfo
- Publication number
- CN204668199U CN204668199U CN201520449119.7U CN201520449119U CN204668199U CN 204668199 U CN204668199 U CN 204668199U CN 201520449119 U CN201520449119 U CN 201520449119U CN 204668199 U CN204668199 U CN 204668199U
- Authority
- CN
- China
- Prior art keywords
- contact
- supporter
- driving member
- sidewall
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 17
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 239000002270 dispersing agent Substances 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 abstract description 15
- 238000012546 transfer Methods 0.000 abstract description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000001447 compensatory effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Thermally Actuated Switches (AREA)
Abstract
The utility model discloses a kind of control and protective switch, comprise housing, contact unit is provided with in described housing, trip unit, contact unit, described contact unit comprises dynamic iron core, electromagnet, described trip unit comprises driving member, supporter, described contact unit comprises moving contact, fixed contact, back-moving spring, described supporter is provided with the cavity of both ends open, described moving contact and cavity are conflicted near the sidewall of driving member, described back-moving spring is arranged on described cavity away between the sidewall of driving member and moving contact, the sidewall of described supporter is provided with groove, described groove is coated with thermal dispersant coatings.One can increase it in the contact area of air, increase its heat transfer efficiency, ensure its radiating effect, groove is coated with thermal dispersant coatings, its radiating efficiency can be increased, two layer of dispelling the heat not easily are scraped because the upper and lower slippage of supporter makes its sidewall be rubbed, and structure is simple, and radiating effect is good.
Description
Technical field
The utility model relates to a kind of parts of control and protective switch, and more particularly, it relates to a kind of control and protective switch.
Background technology
Control and protective switch product adopts modular single product structural shape; be integrated with the major function of traditional circuit breaker (fuse), contactor, overload (or overcurrent, disconnected phase) protection relay, starter, isolator etc.; there is far distance automatic controlling and direct manpower controlling functions on the spot; there is panel instruction and dynamoelectric signal warning function; there is over-and under-voltage defencive function; there is disconnected phase default-phase protection function, have cooperation time m-current protection characteristic (there is inverse time lag, specified time and instantaneous three section protection characteristic).Match functional module or annex as required, the control and scheduling co-design to all kinds of motor load, distribution load can be realized.
At present, (application number is that the Chinese patent of CN201420607766.1 discloses a kind of three-phase compensatory control and protection switch electrical equipment) on market, comprise pedestal, two relative arc-extinguish chambers and flow restricter coil is provided with in described pedestal, the fixed contact and moving contact that contact with each other is provided with between described two arc-extinguish chambers, described fixed contact is fixed on pedestal, described current-limiting inductor is provided with short circuit releasing structure, described moving contact is connected with a strutting piece, described strutting piece passes pedestal and is connected with short circuit tripping mechanism, described pedestal is provided with fixed support plate, described fixed support plate is connected by a flexible member with moving contact, compensating element, is provided with before described moving contact and contact supporter.
In the structure of said structure or general control and protection switch, its fixed contact is all be arranged between housing and moving contact, and by being fixed on spring between the two as force piece, the elastic force of spring is relied on to make moving contact and fixed contact conflict to be formed and be electrically connected, but this structure only relies on the elastic force of spring, laminating defective tightness in the course of the work between fixed contact and moving contact, and when moving contact is separated with fixed contact, moving contact needs to compress this spring, cause between moving contact with moving contact be separated rapid not, cause contact action efficiency low, the defect of temperature rise.
So the applicant is by arranging structure: described driving member one end and dynamic iron core link, the other end and supporter hinged, described supporter is provided with the cavity of both ends open, described moving contact and cavity are conflicted near the sidewall of driving member, and described back-moving spring is arranged on described cavity away between the sidewall of driving member and moving contact.Described contact supporter is arranged in control and protective switch, dynamic iron core in its driver plate and switch links, when dynamic iron core is attracted mobile by magnetic coil, movable contact block is driven to move by described driver plate, thus the moving contact in movable contact block and the fixed contact be fixed in switch case are conflicted, magnetic coil is utilized to replace originally less spring force to the suction of dynamic iron core, make the laminating of moving contact and fixed contact rapider, closely, simultaneously in the laminating process of moving contact and fixed contact, dynamic iron core compression reseting spring, on magnetic coil, magnetic force disappears, during dynamic plunger return, described back-moving spring makes moving contact be separated from fixed contact rapidly, thus replace the resistance of spring when script moving contact is separated with fixed contact, make to move, the speed that fixed contact disconnects is accelerated, thus effectively reduce dynamic, the temperature rise that fixed contact produces when disjunction.
But in use still there will be a problem, because dynamic and static contact disjunction or the temperature rise that operationally produces are inevitable, so be the problem urgently studied in the heat radiation of moving contact part, one deck thermal dispersant coatings (such as silica-gel coating) is coated with iff by the outer surface of supporter, the process floating coat so moved up and down at supporter is easily scratched, and affects radiating effect.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of convenient heat radiation and a kind of control and protective switch not easily scratched.
For achieving the above object, the utility model provides following technical scheme: a kind of control and protective switch, comprise housing, contact unit is provided with in described housing, trip unit, contact unit, described contact unit comprises dynamic iron core, electromagnet, described trip unit comprises driving member, supporter, described contact unit comprises moving contact, fixed contact, back-moving spring, described supporter is provided with the cavity of both ends open, described moving contact and cavity are conflicted near the sidewall of driving member, described back-moving spring is arranged on described cavity away between the sidewall of driving member and moving contact, the sidewall of described supporter is provided with groove, described groove is coated with thermal dispersant coatings.
By the setting of groove and thermal dispersant coatings, because the electric heating mainly produced is all on moving contact, cavity, so arrange groove one at the sidewall of supporter can increase it in the contact area of air, increase its heat transfer efficiency, ensure its radiating effect, groove is coated with thermal dispersant coatings, its radiating efficiency can be increased, two layer of dispelling the heat not easily are scraped because the upper and lower slippage of supporter makes its sidewall be rubbed, and structure is simple, and radiating effect is good.
The utility model can be set to further: the groove depth of described groove is between 0.3 centimetre to 0.6 centimetre.By limiting the groove depth of groove, applied stress during its action can be ensured, meanwhile, also can ensure its radiating effect.
The utility model can be set to further: described supporter is provided with three.The utility model is made to be applicable to three-phase circuit control switch.
The utility model can be set to further: described cavity is provided with raceway groove near the sidewall of driving member, and described raceway groove and moving contact form louvre.Due in the work of whole parts, the partial heat comparatively large (because moving contact contacts the electrocaloric effect produced with fixed contact) that its cavity and moving contact are conflicted, so by arranging raceway groove, can produce louvre in its contact portion, being convenient to heat derives.
The utility model can be set to further: described raceway groove quantity is set to two.By arranging two raceway grooves, its uniform force can be made and heat-conducting effect is good.
The utility model can be set to further: described driving member is provided with crotch, and described supporter is provided with hanging hole away from one end of contact unit.On original basis that temperature rise can be prevented too high, driving member arranges crotch, and at supporter, corresponding hanging hole is set, so in the course of the work, be hung on crotch by supporter, due in transmission process main stressed be all the axial force acted on up and down, so arrange this crotch structure can provide enough axial stresses, ensure the useful life in its transmission process, and when disassembly is desired, only with by supporter lifting certain distance (keep driving member motionless), or by drop-down for driving member certain distance (maintenance supporter is motionless), hanging hole can be deviate from from crotch, then it is made to reset, change, when needs are installed, only buckle into crotch place with by hanging hole, it is made to reset again, structure is simple, be easy to realize.
The utility model can be set to further: described crotch comprises the backup block and wedge that are wholely set, and when described driving member coordinates with supporter, described hanging hole is sheathed on backup block.By the setting of backup block and wedge, transmission in use can be made more stable, and supporter can not be deviate from from driving member.
By adopting technique scheme, create following beneficial effect: by the setting of groove and thermal dispersant coatings, because the electric heating mainly produced is all on moving contact, cavity, so arrange groove one at the sidewall of supporter can increase it in the contact area of air, increase its heat transfer efficiency, ensure its radiating effect, groove is coated with thermal dispersant coatings, its radiating efficiency can be increased, two layer of dispelling the heat not easily are scraped because the upper and lower slippage of supporter makes its sidewall be rubbed, structure is simple, and radiating effect is good.
Accompanying drawing explanation
Fig. 1 is that the utility model improves front cross sectional view;
Fig. 2 is that the utility model improves pre-structure schematic diagram;
Fig. 3 is schematic diagram one after the utility model improves;
Fig. 4 is A portion enlarged drawing in Fig. 3.
1, housing; 2, contact unit; 3, trip unit; 31, driving member; 311, crotch; 3111, wedge; 3112, backup block; 32, supporter; 321, hanging hole; 322, groove; 4, contact unit; 41, fixed contact; 42, moving contact; 5, cavity; 51, raceway groove; 6, back-moving spring; 7, pad.
Embodiment
Referring to figs. 1 through Fig. 4, the utility model embodiment is described further.
With reference to shown in Fig. 3, a kind of control and protective switch, comprise housing 1, contact unit 2 is provided with in housing 1, trip unit 3, contact unit 4, contact unit 2 comprises dynamic iron core, electromagnet, trip unit 3 comprises driving member 31, supporter 32, contact unit 4 comprises moving contact 42, fixed contact 41, back-moving spring 6, supporter 32 is provided with the cavity 5 of both ends open, moving contact 42 and cavity 5 are conflicted near the sidewall of driving member 31, back-moving spring 6 is arranged on cavity 5 away between the sidewall of driving member 31 and moving contact 42, driving member 31 is provided with crotch 311, supporter 32 is provided with hanging hole 321 away from one end of contact unit 4, crotch 311 comprises the backup block 3112 and wedge 3111 that are wholely set, when driving member 31 coordinates with supporter 32, hanging hole 321 is sheathed on backup block 3112.By the setting of backup block 3112 and wedge 3111, transmission in use can be made more stable, and supporter 32 can not be deviate from from driving member 31.Supporter 32 is provided with three.The utility model is made to be applicable to three-phase circuit control switch.Described crotch 311 material is preferably three tempered martensites, can increase stress when it uses, ensure result of use.Described wedge 3111 makes hanging hole 321 and crotch 311 leave nargin, can not deviate from.Described housing 1 is also provided with pad 7, by the setting of described pad 7, can ensure that spring can not exceed its deformation quantity, ensures useful life.
With reference to shown in Fig. 4, cavity 5 is provided with raceway groove 51 near the sidewall of driving member 31, and raceway groove 51 and moving contact 42 form louvre.Due in the work of whole parts, the partial heat comparatively large (because moving contact 42 contacts with fixed contact 41 electrocaloric effect produced) that its cavity 5 and moving contact 42 are conflicted, so by arranging raceway groove 51, can produce louvre in its contact portion, being convenient to heat derives.Raceway groove 51 quantity is set to two.By arranging two raceway grooves 51, its uniform force can be made and heat-conducting effect is good.The described direction of raceway groove 51 and the sidewall of moving contact be arranged in parallel.
With reference to shown in Fig. 3 and Fig. 4, the sidewall of supporter 32 is provided with groove 322, and groove 322 is coated with thermal dispersant coatings.By the setting of groove 322 and thermal dispersant coatings, because the electric heating mainly produced is all on moving contact 42, cavity 5, so arrange groove 322 1 at the sidewall of supporter 32 can increase it in the contact area of air, increase its heat transfer efficiency, ensure its radiating effect, groove 322 is coated with thermal dispersant coatings, its radiating efficiency can be increased, two layer of dispelling the heat not easily are scraped because supporter about 32 slippage makes its sidewall be rubbed, and structure is simple, and radiating effect is good.The groove depth of groove 322 is between 0.3 centimetre to 0.6 centimetre.By limiting the groove depth of groove 322, applied stress during its action can be ensured, meanwhile, also can ensure its radiating effect.
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 (7)
1. a control and protective switch, comprise housing, contact unit is provided with in described housing, trip unit, contact unit, described contact unit comprises dynamic iron core, electromagnet, described trip unit comprises driving member, supporter, described contact unit comprises moving contact, fixed contact, back-moving spring, described supporter is provided with the cavity of both ends open, described moving contact and cavity are conflicted near the sidewall of driving member, described back-moving spring is arranged on described cavity away between the sidewall of driving member and moving contact, it is characterized in that: the sidewall of described supporter is provided with groove, described groove is coated with thermal dispersant coatings.
2. a kind of control and protective switch as claimed in claim 1, is characterized in that: the groove depth of described groove is between 0.3 centimetre to 0.6 centimetre.
3. a kind of control and protective switch as claimed in claim 1 or 2, is characterized in that: described supporter is provided with three.
4. a kind of control and protective switch as claimed in claim 1 or 2, is characterized in that: described cavity is provided with raceway groove near the sidewall of driving member, described raceway groove and moving contact form louvre.
5. a kind of control and protective switch as claimed in claim 4, is characterized in that: described raceway groove quantity is set to two.
6. a kind of control and protective switch as claimed in claim 1 or 2, it is characterized in that: described driving member is provided with crotch, described supporter is provided with hanging hole away from one end of contact unit.
7. a kind of control and protective switch as claimed in claim 6, is characterized in that: described crotch comprises the backup block and wedge that are wholely set, and when described driving member coordinates with supporter, described hanging hole is sheathed on backup block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520449119.7U CN204668199U (en) | 2015-06-25 | 2015-06-25 | A kind of control and protective switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520449119.7U CN204668199U (en) | 2015-06-25 | 2015-06-25 | A kind of control and protective switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204668199U true CN204668199U (en) | 2015-09-23 |
Family
ID=54138557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520449119.7U Expired - Fee Related CN204668199U (en) | 2015-06-25 | 2015-06-25 | A kind of control and protective switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204668199U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509689A (en) * | 2017-09-14 | 2019-03-22 | 浙江正泰电器股份有限公司 | The operating mechanism of device for switching |
| CN110211843A (en) * | 2019-04-11 | 2019-09-06 | 厦门宏发开关设备有限公司 | A kind of wear-resisting mute contactor head supporting apparatus |
-
2015
- 2015-06-25 CN CN201520449119.7U patent/CN204668199U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509689A (en) * | 2017-09-14 | 2019-03-22 | 浙江正泰电器股份有限公司 | The operating mechanism of device for switching |
| CN109509689B (en) * | 2017-09-14 | 2024-03-26 | 浙江正泰电器股份有限公司 | Operating mechanism of switch electric appliance |
| CN110211843A (en) * | 2019-04-11 | 2019-09-06 | 厦门宏发开关设备有限公司 | A kind of wear-resisting mute contactor head supporting apparatus |
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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 |
Granted publication date: 20150923 |