CN204424164U - A kind of new ceramics PTC thermostat - Google Patents
A kind of new ceramics PTC thermostat Download PDFInfo
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- CN204424164U CN204424164U CN201520036650.1U CN201520036650U CN204424164U CN 204424164 U CN204424164 U CN 204424164U CN 201520036650 U CN201520036650 U CN 201520036650U CN 204424164 U CN204424164 U CN 204424164U
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- Prior art keywords
- leading truck
- spring
- short
- rivet
- housing
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- 239000000919 ceramic Substances 0.000 title claims abstract description 11
- 239000004411 aluminium Substances 0.000 claims abstract description 20
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000003068 static effect Effects 0.000 claims description 20
- 230000001012 protector Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000009841 combustion method Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
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- Thermally Actuated Switches (AREA)
Abstract
The utility model relates to power-off protector technical field, particularly a kind of new ceramics PTC thermostat.Comprise housing, the lower port of housing is covered with aluminium lid, the end face of housing is inserted with two the T terminals in left and right, the both sides of described housing cavity are respectively equipped with long rivet and short rivet, be provided with leading truck between described housing lower port and aluminium lid, be provided with bimetal leaf between leading truck lower surface and aluminium lid, leading truck upper surface is provided with PTC sheet, leading truck is equipped with actuating strut, and the lower end of actuating strut is fixedly connected with bimetal leaf.The utility model is rational in infrastructure, leading truck and the housing assembling of pottery system are simple, thrermostatic bimetal-plate is added by the PTC sheet be inlaid on leading truck, actuating strut band movable contact spring cuts off heater circuit, the problems such as overcome existing power-off cooling restorer poor safety performance, abnormal power-down failure rate is high, and the scope of application little and useful life is short, simplify existing like product structural complexity, improve the structural behaviour of thermostat.
Description
Technical field
The utility model relates to power-off protector technical field, particularly a kind of new ceramics PTC thermostat.
Background technology
Homing position type thermostat is temperature control overheat protector common on current household electrical appliance, has the function of action protection, the permanent open circuit of not power-off, power-off self-resetting voluntarily.Household electrical appliance are generally all installed the homing position type thermostat of tool power-off protection, with the damage protecting the too high or dry combustion method of household electric appliance operation temperature to cause.
After existing temperature control overheat protector switches on power, if when there is the dry combustion method of overtemperature work, exceed the temperature of setting, the bimetal leaf counteragent of thermostat inside, and the moving contact on pushing action bar shell fragment leaves fixed contact.Metal electrode on thermostat is connected with lead terminal and conducts electricity, high voltage and big current by time metal electrode be very easy to oxidation, contact surface oxidation causes performance loop not conducting later, affects the normal use of household electrical appliance; Existing temperature controller structure is complicated, and assembling parts difficulty is comparatively large, and heating laminated structure wherein and leading truck 8 are arranged for separate type, and need to arrange separately circuit breaker cavity and be fixed, mounting structure is comparatively complicated, less stable; Thermostat and electrical equipment heater block are that contact is connected, and operating ambient temperature is higher, easily produce and puncture breakage problem, cause the link circuit of thermostat to lose efficacy under high pressure.Therefore, prior art has yet to be improved and developed.
Summary of the invention
The purpose of this utility model is defect for prior art and deficiency, provides a kind of compact conformation, easy to assembly, stay-in-grade new ceramics PTC thermostat.
For achieving the above object, the utility model is by the following technical solutions:
A kind of new ceramics PTC thermostat described in the utility model, comprise the housing of opening down setting, the lower port of housing is covered with aluminium lid, the end face of housing is inserted with two the T terminals in left and right, the both sides of described housing cavity are respectively equipped with long rivet and short rivet, the upper end of long rivet is connected with left T terminal, and the lower end of long rivet is provided with static contact; The upper end of short rivet is connected with right T terminal, and the lower end of short rivet is provided with movable contact spring, and the free end of movable contact spring is on the free end being located at static contact; Leading truck is provided with between described housing lower port and aluminium lid, bimetal leaf is provided with between leading truck lower surface and aluminium lid, leading truck upper surface is provided with PTC sheet, leading truck is equipped with actuating strut, the lower end of actuating strut is fixedly connected with bimetal leaf, and the upper end of actuating strut is fixedly connected with the free end of static contact through PTC sheet; Described long rivet lower end is provided with short spring, and short rivet lower end is provided with long spring, and short spring is connected with PTC sheet respectively with the lower end of long spring.
Further, the free end upper surface of described static contact is provided with fixed contact, and the free end lower surface of movable contact spring is provided with moving contact, and fixed contact contacts with moving contact and connects.
Further, described PTC sheet 7 is arranged ringwise, and PTC sheet 7 is embedded at leading truck 8 upper end; Described aluminium lid 4 is provided with annular convex, and leading truck 8 lower end is provided with ring-shaped step, and bimetal leaf 6 edge clamping is located between the ring-shaped step of leading truck 8 and the annular convex of aluminium lid 4; Described actuating strut 5 is arranged in through hole, and actuating strut 5 upper end is fixedly connected with the free end of static contact 3 through PTC sheet 7, and the lower end of actuating strut 5 is fixedly connected with the center of bimetal leaf 6.
Further, described short spring 15 and long spring 9 all adopt up big and down small volute spring, conflict with PTC sheet 7 two ends respectively and be electrically connected in the lower end of short spring 15 and long spring 9.
The utility model beneficial effect is: the utility model is rational in infrastructure, leading truck and the housing assembling of pottery system are simple, thrermostatic bimetal-plate is added by the PTC sheet be inlaid on leading truck, actuating strut band movable contact spring cuts off heater circuit, the problems such as overcome existing power-off cooling restorer poor safety performance, abnormal power-down failure rate is high, and the scope of application little and useful life is short, simplify existing like product structural complexity, improve the structural behaviour of thermostat.
Accompanying drawing explanation
Fig. 1 is overall detonation configuration schematic diagram of the present utility model;
Fig. 2 is cross-sectional view of the present utility model.
In figure:
1, long rivet; 2, moving contact; 3, static contact; 4, aluminium lid;
5, actuating strut; 6, bimetal leaf; 7, PTC sheet; 8, leading truck;
9, long spring; 10, fixed contact; 11, housing; 12, movable contact spring;
13, T terminal; 14, short rivet; 15, short spring.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
A kind of new ceramics PTC thermostat described in the utility model, comprise the housing 11 of opening down setting, the lower port of housing 11 is covered with aluminium lid 4, the end face of housing 11 is inserted with two the T terminals 13 in left and right, the both sides of described housing 11 inner chamber are respectively equipped with long rivet 1 and short rivet 14, the upper end of long rivet 1 is connected with left T terminal 13, and the lower end of long rivet 1 is provided with static contact 3; The upper end of short rivet 14 is connected with right T terminal 13, and the lower end of short rivet 14 is provided with movable contact spring 12, and the free end of movable contact spring 12 is on the free end being located at static contact 3; Leading truck 8 is provided with between described housing 11 lower port and aluminium lid 4, bimetal leaf 6 is provided with between leading truck 8 lower surface and aluminium lid 4, leading truck 8 upper surface is provided with PTC sheet 7, leading truck 8 is equipped with actuating strut 5, the lower end of actuating strut 5 is fixedly connected with bimetal leaf 6, and the upper end of actuating strut 5 is fixedly connected with the free end of static contact 3 through PTC sheet 7; Described long rivet 1 lower end is provided with short spring 15, and short rivet 14 lower end is provided with long spring 9, and short spring 15 is connected with PTC sheet 7 respectively with the lower end of long spring 9.Said structure is the utility model agent structure.
During use, left and right T terminal 13 connects heater circuit respectively and connects with electrical equipment heater block, left T terminal, long rivet 1, static contact 3, fixed contact 10, moving contact 2, movable contact spring 12, short rivet 14, right T terminal form an electrical equipment heater circuit, wherein long rivet 1, short spring 15, PTC sheet 7, long spring 9, short rivet 14 form another loop with left and right T terminal, this loop makes PTC sheet 7 be formed with electrical equipment heater block to connect, and while electrical work, PTC sheet 7 heats simultaneously; When electrical equipment heating part reaches design temperature, the aluminium lid that arranges is contacted by heat conduction to bimetal leaf 6 with electrical equipment heating part, beat the downwards free end of sweeping action bar 5 and static contact 3 of bimetal leaf 6 is downward, thus fixed contact 10 is separated with moving contact 2, and electrical equipment heater circuit disconnects; Now the loop of PTC sheet 7 is still energized and continues heating, the heat that PTC sheet 7 produces has leading truck 8 to conduct to bimetal leaf 6, thus sweeping action bar 5 and static contact 3 are beated downwards all the time to make bimetal leaf 6, and then ensure that electrical equipment heater circuit keeps dissengaged positions, until after cutting off the power supply of left and right T terminal, PTC sheet 7 cooling makes bimetal leaf 6, actuating strut 5, static contact 3 reset, and fixed contact 10 is connected to restPose with moving contact 2 contact.
The free end upper surface of described static contact 3 is provided with fixed contact 10, the free end lower surface of movable contact spring 12 is provided with moving contact 2, fixed contact 10 contacts with moving contact 2 and connects, fixed contact 10 and moving contact 12 use oxidation resistant material, the useful life of breakpoint contact-making surface can be improved, improve the stability in use of breakpoint thermostat, avoid occurring that contact oxidation causes the phenomenon of circuit not conducting.
Described PTC sheet 7 is arranged ringwise, and PTC sheet 7 is embedded at leading truck 8 upper end; Described aluminium lid 4 is provided with annular convex, and leading truck 8 lower end is provided with ring-shaped step, and bimetal leaf 6 edge clamping is located between the ring-shaped step of leading truck 8 and the annular convex of aluminium lid 4; Described actuating strut 5 is arranged in through hole, and actuating strut 5 upper end is fixedly connected with the free end of static contact 3 through PTC sheet 7, and the lower end of actuating strut 5 is fixedly connected with the center of bimetal leaf 6.PTC sheet 7 adopts setting-in to be connected with leading truck 8, can reduce thermostat independence installing space, improves efficiency of assembling and structural stability.
Described short spring 15 and long spring 9 all adopt up big and down small volute spring, conflict with PTC sheet 7 two ends respectively and be electrically connected in the lower end of short spring 15 and long spring 9.
The above is only better embodiment of the present utility model, therefore all equivalences done according to structure, feature and the principle described in the utility model patent claim change or modify, and are included in the utility model patent claim.
Claims (4)
1. a new ceramics PTC thermostat, comprise the housing (11) of opening down setting, the lower port of housing (11) is covered with aluminium lid (4), the end face of housing (11) is inserted with two the T terminals (13) in left and right, it is characterized in that: the both sides of described housing (11) inner chamber are respectively equipped with long rivet (1) and short rivet (14), the upper end of long rivet (1) is connected with left T terminal (13), and the lower end of long rivet (1) is provided with static contact (3); The upper end of short rivet (14) is connected with right T terminal (13), the lower end of short rivet (14) is provided with movable contact spring (12), and the free end of movable contact spring (12) is on the free end being located at static contact (3); Leading truck (8) is provided with between described housing (11) lower port and aluminium lid (4), bimetal leaf (6) is provided with between leading truck (8) lower surface and aluminium lid (4), leading truck (8) upper surface is provided with PTC sheet (7), leading truck (8) is equipped with actuating strut (5), the lower end of actuating strut (5) is fixedly connected with bimetal leaf (6), and the upper end of actuating strut (5) is fixedly connected with the free end of static contact (3) through PTC sheet (7); Described long rivet (1) lower end is provided with short spring (15), short rivet (14) lower end is provided with long spring (9), and short spring (15) is connected with PTC sheet (7) respectively with the lower end of long spring (9).
2. new ceramics PTC thermostat according to claim 1, it is characterized in that: the free end upper surface of described static contact (3) is provided with fixed contact (10), the free end lower surface of movable contact spring (12) is provided with moving contact (2), and fixed contact (10) contacts with moving contact (2) and connects.
3. new ceramics PTC thermostat according to claim 1, is characterized in that: described PTC sheet (7) is arranged ringwise, and PTC sheet (7) is embedded at leading truck (8) upper end; Described aluminium lid (4) is provided with annular convex, leading truck (8) lower end is provided with ring-shaped step, and bimetal leaf (6) edge clamping is located between the ring-shaped step of leading truck (8) and the annular convex of aluminium lid (4); Described actuating strut (5) is arranged in through hole, actuating strut (5) upper end is fixedly connected with the free end of static contact (3) through PTC sheet (7), and the lower end of actuating strut (5) is fixedly connected with the center of bimetal leaf (6).
4. new ceramics PTC thermostat according to claim 1, it is characterized in that: described short spring (15) and long spring (9) all adopt up big and down small volute spring, conflicts with PTC sheet (7) two ends respectively and is electrically connected in the lower end of short spring (15) and long spring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520036650.1U CN204424164U (en) | 2015-01-19 | 2015-01-19 | A kind of new ceramics PTC thermostat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520036650.1U CN204424164U (en) | 2015-01-19 | 2015-01-19 | A kind of new ceramics PTC thermostat |
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| Publication Number | Publication Date |
|---|---|
| CN204424164U true CN204424164U (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520036650.1U Active CN204424164U (en) | 2015-01-19 | 2015-01-19 | A kind of new ceramics PTC thermostat |
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| Country | Link |
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| CN (1) | CN204424164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104992878A (en) * | 2015-07-24 | 2015-10-21 | 佛山市川东磁电股份有限公司 | Multifunctional ceramic dual temperature controller and electric heating container using same |
-
2015
- 2015-01-19 CN CN201520036650.1U patent/CN204424164U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104992878A (en) * | 2015-07-24 | 2015-10-21 | 佛山市川东磁电股份有限公司 | Multifunctional ceramic dual temperature controller and electric heating container using same |
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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 | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangdong Yaoda Financial Leasing Co.,Ltd. Assignor: CHUANDONG MAGNETIC ELECTRONICS Co.,Ltd. Contract record no.: X2020980005490 Denomination of utility model: A new ceramic PTC temperature controller Granted publication date: 20150624 License type: Exclusive License Record date: 20200828 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new ceramic PTC temperature controller Effective date of registration: 20200901 Granted publication date: 20150624 Pledgee: Guangdong Yaoda Financial Leasing Co.,Ltd. Pledgor: CHUANDONG MAGNETIC ELECTRONICS Co.,Ltd. Registration number: Y2020980005611 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230926 Granted publication date: 20150624 Pledgee: Guangdong Yaoda Financial Leasing Co.,Ltd. Pledgor: CHUANDONG MAGNETIC ELECTRONICS Co.,Ltd. Registration number: Y2020980005611 |
|
| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Guangdong Yaoda Financial Leasing Co.,Ltd. Assignor: CHUANDONG MAGNETIC ELECTRONICS Co.,Ltd. Contract record no.: X2020980005490 Date of cancellation: 20231017 |