CN201378544Y - Combined temperature controller - Google Patents
Combined temperature controller Download PDFInfo
- Publication number
- CN201378544Y CN201378544Y CN200820206539U CN200820206539U CN201378544Y CN 201378544 Y CN201378544 Y CN 201378544Y CN 200820206539 U CN200820206539 U CN 200820206539U CN 200820206539 U CN200820206539 U CN 200820206539U CN 201378544 Y CN201378544 Y CN 201378544Y
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- limit
- movable contact
- warm
- temperature adjustment
- temperature
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Abstract
The utility model relates to a combined temperature controller with the function of temperature adjustment and temperature limitation. The combined temperature controller comprises a base, an insulation plate, a cover shell, a temperature adjusting mechanism and a temperature limiting mechanism. The temperature adjusting mechanism comprises a temperature adjusting movable contact sheet and a temperature adjusting static contact point. The temperature limiting mechanism comprises a temperature limiting movable contact sheet and a temperature limiting static contact point. The temperature adjusting movable contact sheet, the temperature adjusting static contact point, the temperature limiting movable contact sheet and the temperature limiting static contact point are arranged in a charged hollow cavity which is enclosed by the base and the insulation plate; the insulation plate and the cover shell are enclosed to be an uncharged hollow cavity; the movable contact point of the temperature adjusting movable contact sheet and the temperature adjusting static contact point are combined to be a first normal closed contact point; the movable contact point of the temperature limiting movable contact sheet and the temperature limiting static contact point are combined to be a second normal closed contact point; the two pairs of normal closed contact points are connected between the temperature adjusting movable contact sheet and the temperature limiting movable contact sheet in series; the charged hollow cavity is internally provided with an assistant static contact point; and the movable contact point of the temperature adjusting movable contact sheet and the assistant static contact point are combined to be a normal open contact point. The utility model has simple structure, convenient assembly, safe and reliable use, and is not easily broken.
Description
(1) technical field
The utility model relates to a kind of thermostat that is mainly used in electric heater, and especially a kind of heated liquid expansion principle of utilizing is carried out composite type thermostat work, that have temperature adjustment and limit temperature function.
(2) background technology
Along with the raising and the development of times of people's living standard, the use of household electrical appliance and thermostat wherein and security performance are required to improve constantly.The existing small household appliances in market are that an adjustable single-pole single-throw(SPST thermostat and a safe temperature limiter are installed respectively, and volume is big, external cabling is many, assembling is inconvenient, the bad design of appearance and modeling.Also there are adjustable thermostat and safe temperature limiter to be combined and installed together, but still are the single-pole single-throw(SPST step mode, can not fine display working condition, and creepage distance is little, security performance is low, and is anticreep, dustproof, water resistance is bad.
(3) summary of the invention
In order to overcome the deficiencies in the prior art, the purpose of this utility model provides a kind of single-pole double throw formula composite type thermostat.
The utility model is achieved by the following technical solution:
A kind of composite type thermostat, comprise pedestal, insulation board, case, thermoregulative mechanism and the warm mechanism of limit, thermoregulative mechanism comprises temperature adjustment movable contact spring and temperature adjustment fixed contact, limit warm mechanism to comprise warm movable contact spring of limit and the gentle and quiet contact of limit, the temperature adjustment movable contact spring, the temperature adjustment fixed contact, limit warm movable contact spring and the gentle and quiet contact of limit to be located in the charged cavity that pedestal and insulation board surround, insulation board and case surround not charged cavity, the moving contact of temperature adjustment movable contact spring and temperature adjustment fixed contact are combined as first normally-closed contact, limitting the moving contact of warm movable contact spring is second normally-closed contact with the gentle and quiet contact combination of limit, two pairs of normally-closed contacts are connected between temperature adjustment movable contact spring and the warm movable contact spring of limit, be provided with an auxiliary fixed contact in the described charged cavity, the moving contact of temperature adjustment movable contact spring and auxiliary fixed contact are combined as normally opened contact.
When heter temperature surpasses limit temperature, limit the dynamic and static contact (second normally-closed contact) of warm mechanism promptly to disengage the power supply of cutting off heater, realize safeguard protection.In the thermoregulative mechanism work, when heater reached design temperature, moving contact on the temperature adjustment movable contact spring and temperature adjustment fixed contact (first normally-closed contact) broke away from, and cut off the power supply of heater.Moving contact on the movable contact spring of temperature adjustment simultaneously contacts with the auxiliary fixed contact of below, and this normally opened contact can be used for connecting indicator light or other indicating device, realizes the single-pole double throw step mode.
Above technical scheme can be further improved by following measure:
Be provided with auxiliary contact in the described charged cavity, described auxiliary fixed contact is an adjustment screw with auxiliary contact thread connection, and an end of adjustment screw is between temperature adjustment movable contact spring and auxiliary contact, and the other end of adjustment screw is positioned at the through hole of pedestal.Electric clearance between the conveniently adjusted dynamic and static contact of this adjustment screw, thus the start-stop of regulating thermostat is poor.
Described thermoregulative mechanism also comprises temperature adjustment temperature sensing tube, temperature adjustment capillary, temperature adjustment bellows, temperature adjustment depression bar and regulating shaft, regulating shaft is hubbed on the case, the lower end of regulating shaft is fixed with the temperature adjustment bellows, the temperature adjustment bellows is located in the not charged cavity, the temperature adjustment bellows is connected by the outer temperature adjustment temperature sensing tube of temperature adjustment capillary and case, the temperature adjustment depression bar can slide up and down to pass insulation board, and the top and bottom of temperature adjustment depression bar offset to drive the temperature adjustment movable contact spring with temperature adjustment bellows bottom surface and temperature adjustment movable contact spring stage casing respectively.
Described limit temperature mechanism also comprises the warm temperature sensing tube of limit, limit warm capillary, limit warm bellows, limit temperature and pressure bar, limit warm screw and reset key, limit warm screw to be arranged on the case, limit warm bellows to be located in the not charged cavity, limit warm bellows to be positioned at the warm screw of limit below and offset with the lower end of stop screw, limit warm bellows to connect the finite temperature temperature sensing tube by the warm capillary of limit, limit temperature and pressure bar is contained in limit warm bellows bottom and can slides up and down to pass insulation board, limit warm movable contact spring and the gentle and quiet contact of limit to be located in the pedestal, the lower end of limit temperature and pressure bar offsets with the warm movable contact spring of limit stage casing and pushes or push entirely the warm movable contact spring of limit to second, limit temperature and pressure bar is partly pushed the warm movable contact spring of limit and made the moving contact of the warm movable contact spring of limit and the gentle and quiet contact combination of limit is second normally-closed contact, limit temperature and pressure bar is pushed the warm movable contact spring of limit entirely and second normally-closed contact is disconnected, reset key can slide up and down to be arranged on case and the insulation board, and the lower end of reset key offsets with the warm movable contact spring free end of limit and makes second normally-closed contact closure that resets.
Described limit temperature movable contact spring is provided with elongated slot, first end of elongated slot is near the stiff end of the warm movable contact spring of limit, second end of elongated slot is near the free end of the warm movable contact spring of limit, and first end of elongated slot has the tongue piece that stretches out towards second end, is provided with ∪ shape shell fragment between second end of the free end of tongue piece and elongated slot
Be provided with static contact in the described charged cavity, described temperature adjustment fixed contact and the gentle and quiet contact of limit lay respectively at the two ends of static contact, the temperature adjustment fixed contact is positioned at the moving contact top of temperature adjustment movable contact spring, auxiliary fixed contact is positioned at the moving contact below of temperature adjustment movable contact spring, limits gentle and quiet contact to be positioned at the moving contact below of the warm movable contact spring of limit.
Described pedestal has inside groove, and described insulation board lower surface is provided with following protruding wall or the lower convex platform that stretches into inside groove, and described case has inner chamber, and described insulation board upper surface is provided with epirelief wall or the convex platform that stretches into inner chamber.This structure makes that this thermostat is anticreep, dustproof, waterproof, has realized labyrinth sealing preferably.
Described case and pedestal are linked together by at least two mounting screws, and mounting screw passes behind pedestal and the insulation board and the case thread connection.By screw attachment, make the thermostat assembling simple, convenient.
Described base bottom is provided with first counterbore that is used for the mounting screw countersunk head, and the degree of depth of first counterbore is greater than half of base height.
Described pedestal is provided with three pins, first pin is electrically connected and is fixed on the pedestal by a contact screw with the temperature adjustment movable contact spring, second pin is electrically connected and is fixed on the pedestal by another contact screw with the warm movable contact spring of limit, the 3rd pin is electrically connected and is fixed on the pedestal by the 3rd contact screw with auxiliary fixed contact, described base bottom is provided with second counterbore that is used for the contact screw countersunk head, the degree of depth of described first counterbore is greater than 9 millimeters, and the spacing of first counterbore and second counterbore is greater than 2 millimeters.Under the constant substantially prerequisite of whole thermostat height dimension, strengthen the counterbore degree of depth of mounting screw, the creepage distance that makes this thermostat approximately is the twice of existing thermostat, has improved the thermostat security performance.
The utility model is simple and reasonable, and is easy to assembly, safe and reliable, not fragile.
(4) description of drawings
Fig. 1 is a front view of the present utility model;
Fig. 2 is the pedestal 1 among Fig. 1 and the vertical view of inner body thereof;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is a stereogram of the present utility model;
Fig. 5 is a three-dimensional exploded view of the present utility model;
Fig. 6 is the A-A cutaway view of Fig. 1;
Fig. 7 is the B-B cutaway view of Fig. 1;
Fig. 8 is the C-C cutaway view of Fig. 1;
Fig. 9 is the assembling stereogram of pedestal 1, auxiliary contact 62, adjustment screw 61, contact screw 90 and pin 9;
Figure 10 is the stereogram of insulation board 2;
Figure 11 is the stereogram of pedestal 1.
(5) embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
A kind of composite type thermostat, comprise pedestal 1, insulation board 2, case 3, thermoregulative mechanism and the warm mechanism of limit, thermoregulative mechanism comprises temperature adjustment movable contact spring 41 and temperature adjustment fixed contact 42, limit warm mechanism to comprise warm movable contact spring 51 of limit and the gentle and quiet contact 52 of limit, temperature adjustment movable contact spring 41, temperature adjustment fixed contact 42, limit warm movable contact spring 51 and the gentle and quiet contact 52 of limit to be located in the charged cavity that pedestal 1 and insulation board 2 surround, insulation board 2 surrounds not charged cavity with case 3, the moving contact 43 and the temperature adjustment fixed contact 42 of temperature adjustment movable contact spring 41 are combined as first normally-closed contact, limit the moving contact 53 of warm movable contact spring 51 to be combined as second normally-closed contact with the gentle and quiet contact 52 of limit, two pairs of normally-closed contacts are connected between temperature adjustment movable contact spring 41 and the warm movable contact spring 51 of limit, be provided with an auxiliary fixed contact in the described charged cavity, the moving contact 43 and the auxiliary fixed contact of temperature adjustment movable contact spring 41 are combined as normally opened contact.
Be provided with auxiliary contact 62 in the described charged cavity, described auxiliary fixed contact is an adjustment screw 61 with auxiliary contact 62 thread connection, one end of adjustment screw 61 is between temperature adjustment movable contact spring 41 and auxiliary contact 62, and the other end of adjustment screw 61 is positioned at the through hole 11 of pedestal 1.
Described thermoregulative mechanism also comprises temperature adjustment temperature sensing tube (not shown), temperature adjustment capillary (not shown), temperature adjustment bellows 44, temperature adjustment depression bar 45 and regulating shaft 46, regulating shaft 46 is hubbed on the case 3, the lower end of regulating shaft 46 is fixed with temperature adjustment bellows 44, temperature adjustment bellows 44 is located in the not charged cavity, temperature adjustment bellows 44 is connected with case 3 temperature adjustment temperature sensing tube outward by the temperature adjustment capillary, temperature adjustment depression bar 45 can slide up and down to pass insulation board 2, and the top and bottom of temperature adjustment depression bar 45 offset to drive temperature adjustment movable contact spring 41 with temperature adjustment bellows 44 bottom surfaces and temperature adjustment movable contact spring 41 stage casings respectively.Also be with back-moving spring 47 on the temperature adjustment depression bar 45 so that the temperature adjustment depression bar has the trend that moves upward.
Described limit temperature mechanism also comprises the warm temperature sensing tube (not shown) of limit, limit warm capillary (not shown), limit warm bellows 54, limit temperature and pressure bar 55, limit warm screw 56 and reset key 57, limit warm screw 56 to be arranged on the case 3, limit warm bellows 54 to be located in the not charged cavity, limit warm bellows 54 to be positioned at limit warm screw 56 belows and offset with the lower end of stop screw 56, limit warm bellows 54 to connect the finite temperature temperature sensing tube by the warm capillary of limit, limit temperature and pressure bar 55 is contained in limit warm bellows 54 bottoms and can slides up and down to pass insulation board 2, limit warm movable contact spring 51 and the gentle and quiet contact 52 of limit to be located in the pedestal 1, the lower end of limit temperature and pressure bar 55 offsets with the warm movable contact spring of limit 51 stage casings and pushes or push entirely the warm movable contact spring 51 of limit to second, limit temperature and pressure bar 55 half is pushed the warm movable contact spring 51 of limit and is made the moving contact 53 of the warm movable contact spring 51 of limit and the gentle and quiet contact 52 of limit be combined as second normally-closed contact, limit temperature and pressure bar 55 is pushed the warm movable contact spring 51 of limit entirely and second normally-closed contact is disconnected, reset key 57 can slide up and down to be arranged on case 3 and the insulation board 1, and the lower end of reset key 57 offsets with warm movable contact spring 51 free ends of limit and makes second normally-closed contact closure that resets.
Described limit temperature movable contact spring 51 is provided with elongated slot 511, first end of elongated slot 511 is near the stiff end of the warm movable contact spring 51 of limit, second end of elongated slot 511 is near the free end of the warm movable contact spring 51 of limit, first end of elongated slot 511 has the tongue piece 512 that stretches out towards second end, is provided with ∪ shape shell fragment 58 between second end of the free end of tongue piece 512 and elongated slot 511
Be provided with static contact 7 in the described charged cavity, described temperature adjustment fixed contact 42 and the gentle and quiet contact 52 of limit lay respectively at the two ends of static contact 7, temperature adjustment fixed contact 42 is positioned at moving contact 43 tops of temperature adjustment movable contact spring 41, auxiliary fixed contact 61 is positioned at moving contact 43 belows of temperature adjustment movable contact spring 41, limits gentle and quiet contact 52 to be positioned at moving contact 53 belows of the warm movable contact spring 51 of limit.
Described pedestal 1 has inside groove 14, this inside groove 14 is exactly charged cavity, and described insulation board 2 lower surfaces are provided with the following protruding wall 21 that stretches into inside groove, and described case 3 has inner chamber 31, this inner chamber 15 is exactly not charged cavity, and described insulation board 2 upper surfaces are provided with the convex platform 22 that stretches into inner chamber.
Described case 3 is linked together by three mounting screws 8 with pedestal 1, and mounting screw 8 passes pedestal 1 and insulation board 2 backs and case 3 thread connection.
Described pedestal 1 bottom is provided with the degree of depth of first counterbore, 12, the first counterbores 12 that are used for mounting screw 8 countersunk heads greater than highly half of pedestal 1.
Described pedestal 1 is provided with three pins 9, first pin 9 is electrically connected and is fixed on the pedestal 1 by a contact screw 90 and temperature adjustment movable contact spring 41, second pin 9 is electrically connected and is fixed on the pedestal 1 with the warm movable contact spring 51 of limit by another contact screw 90, the 3rd pin 9 is electrically connected and is fixed on the pedestal 1 with adjustment screw 61 by the 3rd contact screw 90 and auxiliary contact 62, described pedestal 1 bottom is provided with second counterbore 13 that is used for contact screw 90 countersunk heads, the degree of depth of described first counterbore 12 is 9.6 millimeters, and the spacing of first counterbore 12 and second counterbore 13 is 2.5 millimeters.
Claims (10)
1, a kind of composite type thermostat, comprise pedestal, insulation board, case, thermoregulative mechanism and the warm mechanism of limit, thermoregulative mechanism comprises temperature adjustment movable contact spring and temperature adjustment fixed contact, limit warm mechanism to comprise warm movable contact spring of limit and the gentle and quiet contact of limit, the temperature adjustment movable contact spring, the temperature adjustment fixed contact, limit warm movable contact spring and the gentle and quiet contact of limit to be located in the charged cavity that pedestal and insulation board surround, insulation board and case surround not charged cavity, the moving contact of temperature adjustment movable contact spring and temperature adjustment fixed contact are combined as first normally-closed contact, limitting the moving contact of warm movable contact spring is second normally-closed contact with the gentle and quiet contact combination of limit, two pairs of normally-closed contacts are connected between temperature adjustment movable contact spring and the warm movable contact spring of limit, it is characterized in that: be provided with an auxiliary fixed contact in the described charged cavity, the moving contact of temperature adjustment movable contact spring and auxiliary fixed contact are combined as normally opened contact.
2, composite type thermostat according to claim 1, it is characterized in that: be provided with auxiliary contact in the described charged cavity, described auxiliary fixed contact is an adjustment screw with auxiliary contact thread connection, one end of adjustment screw is between temperature adjustment movable contact spring and auxiliary contact, and the other end of adjustment screw is positioned at the through hole of pedestal.
3, composite type thermostat according to claim 1, it is characterized in that: described thermoregulative mechanism also comprises temperature adjustment temperature sensing tube, temperature adjustment capillary, temperature adjustment bellows, temperature adjustment depression bar and regulating shaft, regulating shaft is hubbed on the case, the lower end of regulating shaft is fixed with the temperature adjustment bellows, the temperature adjustment bellows is located in the not charged cavity, the temperature adjustment bellows is connected by the outer temperature adjustment temperature sensing tube of temperature adjustment capillary and case, the temperature adjustment depression bar can slide up and down to pass insulation board, and the top and bottom of temperature adjustment depression bar offset to drive the temperature adjustment movable contact spring with temperature adjustment bellows bottom surface and temperature adjustment movable contact spring stage casing respectively.
4, composite type thermostat according to claim 1, it is characterized in that: described limit temperature mechanism also comprises the warm temperature sensing tube of limit, limit warm capillary, limit warm bellows, limit temperature and pressure bar, limit warm screw and reset key, limit warm screw to be arranged on the case, limit warm bellows to be located in the not charged cavity, limit warm bellows to be positioned at the warm screw of limit below and offset with the lower end of stop screw, limit warm bellows to connect the finite temperature temperature sensing tube by the warm capillary of limit, limit temperature and pressure bar is contained in limit warm bellows bottom and can slides up and down to pass insulation board, limit warm movable contact spring and the gentle and quiet contact of limit to be located in the pedestal, the lower end of limit temperature and pressure bar offsets with the warm movable contact spring of limit stage casing and pushes or push entirely the warm movable contact spring of limit to second, limit temperature and pressure bar is partly pushed the warm movable contact spring of limit and made the moving contact of the warm movable contact spring of limit and the gentle and quiet contact combination of limit is second normally-closed contact, limit temperature and pressure bar is pushed the warm movable contact spring of limit entirely and second normally-closed contact is disconnected, reset key can slide up and down to be arranged on case and the insulation board, and the lower end of reset key offsets with the warm movable contact spring free end of limit and makes second normally-closed contact closure that resets.
5, composite type thermostat according to claim 1, it is characterized in that: described limit temperature movable contact spring is provided with elongated slot, first end of elongated slot is near the stiff end of the warm movable contact spring of limit, second end of elongated slot is near the free end of the warm movable contact spring of limit, first end of elongated slot has the tongue piece that stretches out towards second end, is provided with the U-shaped shell fragment between second end of the free end of tongue piece and elongated slot.
6, composite type thermostat according to claim 1, it is characterized in that: be provided with static contact in the described charged cavity, described temperature adjustment fixed contact and the gentle and quiet contact of limit lay respectively at the two ends of static contact, the temperature adjustment fixed contact is positioned at the moving contact top of temperature adjustment movable contact spring, auxiliary fixed contact is positioned at the moving contact below of temperature adjustment movable contact spring, limits gentle and quiet contact to be positioned at the moving contact below of the warm movable contact spring of limit.
7, composite type thermostat according to claim 1, it is characterized in that: described pedestal has inside groove, described insulation board lower surface is provided with following protruding wall or the lower convex platform that stretches into inside groove, and described case has inner chamber, and described insulation board upper surface is provided with epirelief wall or the convex platform that stretches into inner chamber.
8, composite type thermostat according to claim 1, it is characterized in that: described case and pedestal are linked together by at least two mounting screws, and mounting screw passes behind pedestal and the insulation board and the case thread connection.
9, composite type thermostat according to claim 8 is characterized in that: described base bottom is provided with first counterbore that is used for the mounting screw countersunk head, and the degree of depth of first counterbore is greater than half of base height.
10, composite type thermostat according to claim 9, it is characterized in that: described pedestal is provided with three pins, first pin is electrically connected and is fixed on the pedestal by a contact screw with the temperature adjustment movable contact spring, second pin is electrically connected and is fixed on the pedestal by another contact screw with the warm movable contact spring of limit, the 3rd pin is electrically connected and is fixed on the pedestal by the 3rd contact screw with auxiliary fixed contact, described base bottom is provided with second counterbore that is used for the contact screw countersunk head, the degree of depth of described first counterbore is greater than 9 millimeters, and the spacing of first counterbore and second counterbore is greater than 2 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820206539U CN201378544Y (en) | 2008-12-26 | 2008-12-26 | Combined temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820206539U CN201378544Y (en) | 2008-12-26 | 2008-12-26 | Combined temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201378544Y true CN201378544Y (en) | 2010-01-06 |
Family
ID=41518663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200820206539U Expired - Fee Related CN201378544Y (en) | 2008-12-26 | 2008-12-26 | Combined temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201378544Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074416A (en) * | 2011-01-12 | 2011-05-25 | 吉庆龙 | Temperature controller assembly structure and temperature controller using same |
| CN116624649A (en) * | 2023-07-21 | 2023-08-22 | 箭牌家居集团股份有限公司 | Unlocking device and water outlet equipment |
-
2008
- 2008-12-26 CN CN200820206539U patent/CN201378544Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074416A (en) * | 2011-01-12 | 2011-05-25 | 吉庆龙 | Temperature controller assembly structure and temperature controller using same |
| CN116624649A (en) * | 2023-07-21 | 2023-08-22 | 箭牌家居集团股份有限公司 | Unlocking device and water outlet equipment |
| CN116624649B (en) * | 2023-07-21 | 2024-02-23 | 箭牌家居集团股份有限公司 | Unlocking device and water outlet equipment |
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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: 20100106 Termination date: 20141226 |
|
| EXPY | Termination of patent right or utility model |