CN108597958B - Adjustable temperature controller with disposable overheat protection - Google Patents
Adjustable temperature controller with disposable overheat protection Download PDFInfo
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- CN108597958B CN108597958B CN201810598067.8A CN201810598067A CN108597958B CN 108597958 B CN108597958 B CN 108597958B CN 201810598067 A CN201810598067 A CN 201810598067A CN 108597958 B CN108597958 B CN 108597958B
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- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 92
- 238000004146 energy storage Methods 0.000 claims abstract description 91
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 235000014676 Phragmites communis Nutrition 0.000 claims description 56
- 241000209094 Oryza Species 0.000 claims description 38
- 235000007164 Oryza sativa Nutrition 0.000 claims description 38
- 235000009566 rice Nutrition 0.000 claims description 38
- 230000005540 biological transmission Effects 0.000 claims description 27
- 239000000919 ceramic Substances 0.000 claims description 26
- 238000009413 insulation Methods 0.000 claims description 20
- 238000003825 pressing Methods 0.000 claims description 12
- 230000035945 sensitivity Effects 0.000 claims description 10
- 239000012634 fragment Substances 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 230000007306 turnover Effects 0.000 description 8
- 238000009966 trimming Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H61/00—Electrothermal relays
- H01H61/04—Electrothermal relays wherein the thermally-sensitive member is only heated directly
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
- H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/60—Means for producing snap action
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Fuses (AREA)
- Thermally Actuated Switches (AREA)
Abstract
The utility model relates to the technical field of temperature controllers, in particular to an adjustable temperature controller with disposable overheat protection, which comprises a disposable overheat protection device, wherein the disposable overheat protection device comprises overheat protection bimetallic strips arranged above a temperature sensing device at intervals and integral energy storage overturning spring plates arranged above the overheat protection bimetallic strips at intervals, one end of each overheat protection bimetallic strip is fixed on an insulating assembly, the other end of each overheat protection bimetallic strip is provided with a cutting-off temperature fine adjustment screw, one end of each integral energy storage overturning spring plate is fixed on the insulating assembly, the other end of each integral energy storage overturning spring plate is provided with a cutting-off porcelain meter, the top of each cutting-off porcelain meter is correspondingly arranged with a double-spring plate of an electric coupling switch assembly, the overheat protection bimetallic strips upwards push the integral energy storage overturning spring plates through thermal expansion, the integral energy storage overturning spring plates drive the cutting-off porcelain meters, and the cutting-off porcelain meters push the double-spring plates of the electric coupling switch assembly, so that the circuit between the double-spring plates and a fixed contact piece with a connecting terminal is disconnected.
Description
Technical Field
The utility model relates to the technical field of temperature controllers, in particular to an adjustable temperature controller with disposable overheat protection.
Background
The thermostat is used to automatically turn on and off various devices related to temperature control. Currently, a thermostat has been widely used for various electric heating devices, environmental temperature regulating devices, and the like. The traditional temperature controller comprises a temperature adjusting device, a transmission device, a temperature sensing device, an electric connection switch assembly, an insulating assembly and a riveting fixing assembly. In the prior art, the temperature sensing device comprises a bimetallic strip, and the working principle of the temperature sensing device is that the bimetallic strip is heated and expanded to drive a transmission porcelain meter of a transmission device to push a double-reed piece of an electric connection switch assembly, so that a movable contact on the double-reed piece is separated from a fixed contact on a fixed contact piece with a connecting terminal, a circuit is disconnected, the temperature is stopped to rise, when the temperature is cooled, the electric connection switch assembly, the transmission porcelain meter and the bimetallic strip are reset, and the circuit is communicated again, so that the temperature is controlled circularly. In practical application, besides controlling the temperature by using a temperature controller, the equipment also needs to be added with an overheat protection device (thermal insurance) for preventing accidents, and the overheat protection device needs a large space and a mounting platform, a long connecting line and a wire for mounting, and also has high-temperature insulating parts, mounting screws and mounting pressing plates. The defects of multiple procedures, multiple parts, high cost and large occupied space are overcome.
Disclosure of Invention
According to the adjustable temperature controller with the disposable overheat protection, the integrated energy storage overturning elastic sheet and the overheat protection bimetallic sheet are additionally arranged on the traditional temperature controller, so that the temperature controller and the overheat protection device are integrated, the working principle is that the overheat protection bimetallic sheet deforms upwards after being heated and expanded, the cutting-off temperature fine-tuning screw on the overheat protection bimetallic sheet is driven to push the integrated energy storage overturning elastic sheet upwards, when the integrated energy storage overturning elastic sheet is pushed upwards to a overturning critical point, the energy storage elastic force on the integrated energy storage overturning elastic sheet is suddenly released, the cutting-off ceramic rice arranged on the integrated energy storage overturning elastic sheet is driven to push upwards to be in a lower reed connected with a fixed contact sheet circuit, the circuit is disconnected and kept in a disconnected state, the effect of disposable overheat protection is realized, the cutting-off power supply protection is realized when the temperature caused by all reasons of equipment exceeds the set safety limit value, the space is not occupied, the addition of spare parts and processing procedures is avoided, the cost is low, safety and reliability are realized, and repeated verification can be realized.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a take disposable overheat protection's temperature controller with adjustable, including the temperature controller, the temperature controller is by temperature regulating device, a drive unit, temperature sensing device, electric connection switch module, insulating subassembly and riveting fixed subassembly correspond the setting and constitute, electric connection switch module corresponds and is provided with disposable overheat protection device, disposable overheat protection device includes that the overheat protection bimetallic strip of temperature sensing device top is located to the interval and the integral type energy storage upset shell fragment of overheat protection bimetallic strip top is located to the interval, overheat protection bimetallic strip's one end is fixed in on the insulating subassembly, overheat protection bimetallic strip's the other end is equipped with the trip temperature fine setting screw, integral type overheat protection bimetallic strip's the other end is equipped with the trip temperature fine setting screw
Description
One end of the energy storage overturning elastic sheet is fixed on the insulating assembly, the other end of the integrated energy storage overturning elastic sheet is provided with a cutting ceramic rice, the top of the cutting ceramic rice is correspondingly arranged with a double reed of the electric coupling switch assembly, the overheat protection bimetallic strip drives the cutting temperature fine adjustment screw to push the integrated energy storage overturning elastic sheet to move upwards through heating expansion, the integrated energy storage overturning elastic sheet is pushed to drive the cutting ceramic rice to move upwards, the cutting ceramic rice moves upwards to push a lower reed of the electric coupling switch assembly to move upwards, and circuit disconnection between the lower reed and the fixed contact piece of the strip terminal is realized.
Furthermore, the insulating assembly comprises an insulating porcelain ring I, an insulating porcelain ring II, an insulating porcelain ring III and an insulating porcelain ring IV which are sequentially overlapped from top to bottom, the insulating porcelain ring I, the insulating porcelain ring II, the insulating porcelain ring III and the insulating porcelain ring IV are connected in series through a riveting fixing assembly, the riveting fixing assembly comprises a rivet, one end of an overheat protection bimetallic strip is fixed between the insulating porcelain ring IV and a rivet cap of the rivet, and one end of an integrated energy storage overturning elastic sheet is fixed between the insulating porcelain ring III and the insulating porcelain ring IV.
Furthermore, one end of the overheat protection bimetallic strip is provided with a bimetallic strip mounting hole fixed between the insulating porcelain ring IV and the nail cap of the rivet, the other end of the overheat protection bimetallic strip is provided with a screw hole matched with the cutting-off temperature fine adjustment screw, and the middle part of the overheat protection bimetallic strip is provided with an opening for preventing a transverse bending ring.
Furthermore, one end of the integrated energy storage overturning elastic piece is provided with an elastic piece mounting hole and an eccentric circle fixing end which are fixed between the insulating porcelain ring III and the insulating porcelain ring IV, the other end of the integrated energy storage overturning elastic piece is provided with a porcelain meter cutting mounting hole and a trimming screw pushing platform which are used for positioning and cutting off porcelain meters, the middle part of the integrated energy storage overturning elastic piece is provided with an elastic piece fulcrum fixing end and an energy storage reed, a overturning sensitivity cutting hole is arranged between the elastic piece fulcrum fixing end and the energy storage reed, and overturning sensitivity cuts are respectively arranged on two sides of the elastic piece fulcrum fixing end and two sides of the energy storage reed.
Further, the temperature sensing device comprises a bimetallic strip, one end of the bimetallic strip is fixed on the insulating assembly, and the other end of the bimetallic strip is connected to the transmission device.
Further, the transmission device comprises a transmission porcelain rice, one end of the transmission porcelain rice is positioned on the bimetallic strip, and the other end of the transmission porcelain rice is connected to the electric coupling switch assembly.
Further, the electric connection switch assembly comprises a double reed and a fixed contact piece with a wire terminal, the double reed comprises an upper reed and a lower reed, one ends of the upper reed and the lower reed are fixedly connected and sleeved on a transmission porcelain meter, one end of the upper reed is fixed between a first insulating porcelain ring and a second insulating porcelain ring and is connected with a wiring terminal, a movable contact is arranged on the lower reed, one end of the fixed contact piece with the wire terminal is fixed between the second insulating porcelain ring and a third insulating porcelain ring, a fixed contact and a limiting plate for limiting and cutting off the porcelain meter are arranged at the other end of the fixed contact piece with the wire terminal, and a positioning groove connected with a temperature adjusting device is formed in the upper surface of the movable contact and the fixed contact, which is correspondingly connected with the upper reed.
Further, the temperature adjusting device comprises a pressing plate, an adjusting screw and a positioning column, one end of the positioning column is abutted to the positioning groove on the upper reed, the other end of the positioning column is abutted to the adjusting screw, the adjusting screw is rotatably arranged on the pressing plate, and the pressing plate is fixed to the insulating assembly.
The utility model has the beneficial effects that:
the utility model adopts the structure arrangement, and realizes the integration of the temperature controller and the overheat protection device by adding the integrated energy storage overturning elastic sheet and the overheat protection bimetallic sheet on the traditional temperature controller, the working principle is that the overheat protection bimetallic sheet is deformed upwards after being heated and expanded, thereby driving the cutting-off temperature fine adjustment screw on the overheat protection bimetallic sheet to push the integrated energy storage overturning elastic sheet upwards, when the integrated energy storage overturning elastic sheet is pushed upwards to the overturning critical point, the energy storage elastic force on the integrated energy storage overturning elastic sheet is suddenly released, the cutting-off porcelain rice arranged on the integrated energy storage overturning elastic sheet is driven to push upwards to forcibly push the lower reed connected with the fixed contact sheet circuit, the circuit is disconnected and kept in a disconnection state, the one-time overheat protection effect is realized, the cutting-off power supply protection is realized for all the temperature caused by equipment exceeding the set safety limit value, the space is not occupied, the additional spare parts and the processing procedure are not added, the cost is low, the safety and reliability are realized, and the repeated verification is realized.
Drawings
FIG. 1 is a schematic diagram of a temperature controller circuit according to an embodiment;
FIG. 2 is a schematic diagram of a thermostat with circuit broken;
FIG. 3 is a schematic diagram of an embodiment of a temperature controller overheat protection bimetallic strip;
FIG. 4 is a schematic diagram of an embodiment of an integrated energy-storing and overturning spring plate structure of a temperature controller;
FIG. 5 is a schematic diagram of the operation of an integrated energy-storage turnover spring of the first temperature controller;
FIG. 6 is a second schematic diagram of the operation of the energy-storing and overturning elastic sheet integrated with the first temperature controller;
FIG. 7 is a third working principle diagram of an integrated energy storage overturning spring plate of the first temperature controller;
FIG. 8 is a schematic diagram of a circuit communication of a second thermostat of an embodiment;
fig. 9 is a schematic diagram of a circuit disconnection of a two-temperature controller according to an embodiment.
1. A pressing plate; 2. an adjusting screw; 3. positioning columns; 4. a reed; 5. driving porcelain rice; 6. bimetallic strips; 7. a rivet; 8. a limiting plate; 9. cutting off the porcelain rice; 10. an integrated energy storage overturning spring plate; 100. spring plate mounting holes; 101. a spring plate fulcrum fixed end; 102. turning sensitivity and cutting holes; 103. an energy storage reed; 104. cutting off the ceramic rice mounting hole; 105. a fine tuning screw pushing platform; 106. an eccentric round fixed end; 107. overturning the sensitivity notch; 11. overheat protection bimetallic strip; 110. bimetallic strip mounting holes; 111. an opening for preventing transverse bending; 112. a screw hole; 12. cutting off the temperature fine adjustment screw; 13. an insulating porcelain ring I; 14. insulating porcelain ring II; 15. an insulating porcelain ring III; 16. insulating porcelain ring IV; 17. a connection terminal; 18. fixed contact with wiring terminal; 19. a moving contact; 20. a stationary contact; 21. a positioning groove; 22. an upper reed; 23. and a lower reed.
Detailed Description
The technical scheme of the utility model is described below with reference to the accompanying drawings and examples.
Embodiment one:
as shown in fig. 1 and 2, the adjustable temperature controller with disposable overheat protection according to the present utility model comprises a temperature controller, which is composed of a temperature adjusting device, a transmission device, a temperature sensing device, an electric connection switch assembly, an insulation assembly and a riveting fixing assembly, wherein the electric connection switch assembly is correspondingly provided with a disposable overheat protection device, the disposable overheat protection device comprises an overheat protection bimetallic strip 11 arranged above the temperature sensing device at intervals and an integral energy storage turnover spring sheet 10 arranged above the overheat protection bimetallic strip 11 at intervals, one end of the overheat protection bimetallic strip 11 is fixed on the insulation assembly, the other end of the overheat protection bimetallic strip 11 is provided with a cutting-off temperature fine tuning screw 12, one end of the integral energy storage turnover spring sheet 10 is fixed on the insulation assembly, the other end of the integral energy storage turnover spring sheet 10 is provided with a cutting-off ceramic strip 9, the top of the cutting-off ceramic strip 9 is correspondingly provided with a double spring sheet of the electric connection switch assembly, the overheat protection bimetallic strip 11 drives the cutting-off temperature fine tuning screw 12 to move upwards through thermal expansion, the integral energy storage turnover spring sheet 10 moves upwards to drive the cutting-off ceramic strip 9 to move upwards, and the cutting-off ceramic strip 9 moves upwards, and the cutting-off ceramic strip spring sheet 23 contacts a circuit 23 to a lower contact spring sheet 23. The above-described forms the basic structure of the present utility model.
The utility model adopts the structure arrangement, and the working principle of the utility model is that the integrated energy storage overturning elastic sheet 10 and the overheat protection bimetallic strip 11 are additionally arranged on the traditional temperature controller, and the overheat protection bimetallic strip 11 deforms upwards after being heated and expanded, so that the cut-off temperature fine adjustment screw 12 on the overheat protection bimetallic strip 11 is driven to push the integrated energy storage overturning elastic sheet 10 upwards, the integrated energy storage overturning elastic sheet 10 acts upwards, when the integrated energy storage overturning elastic sheet 10 is pushed upwards to a overturning critical point, the energy storage elastic sheet 103 on the integrated energy storage overturning elastic sheet 10 is suddenly released, the cut-off porcelain rice 9 arranged on the integrated energy storage overturning elastic sheet 10 is driven to push upwards to forcibly push the lower reed 23 connected with the circuit with the terminal fixed contact 18, the circuit is disconnected and kept in a disconnected state, the effect of one-off overheat protection is realized, the cut-off power protection is realized for all temperatures caused by all equipment exceeding the set safety limit, the occupation space is not required, the addition of spare parts and the processing procedures is avoided, the cost is low, the safety and reliability is verified repeatedly.
It should be noted that, the spring plate mounting hole 100 is in an irregular circular arrangement, in the state of the part, the spring plate mounting hole 100 is specially made to cut less part of material, and becomes an eccentric circle (two different circle centers are arranged in the spring plate mounting hole 100), the eccentric circle is expanded by changing the eccentric dimension, namely, the principle of changing the energy storage elastic force, at the moment, the part with the whole circle diameter is expanded by the eccentric circle dimension during mounting, at the moment, the material dimension in the middle of the energy storage spring plate is larger than the peripheral spring plate dimension, once the eccentric circle dimension is expanded, the eccentric circle fixing end 106 and the spring plate fulcrum fixing end 101 are clamped up and down, the energy storage process (namely, the energy storage principle) of the energy storage spring plate is realized, when the integrated energy storage overturning spring plate 10 is overturned, the circuit is not reset under the condition of no additional force for scraping and pressing, namely, the circuit is kept in the disconnected state continuously, the effect of one-off power supply protection is realized, and the temperature caused by all reasons of the equipment exceeds the set safety limit value.
More specifically, the insulation assembly comprises an insulation porcelain ring I13, an insulation porcelain ring II 14, an insulation porcelain ring III 15 and an insulation porcelain ring IV 16 which are sequentially overlapped from top to bottom, the insulation porcelain ring I13, the insulation porcelain ring II 14, the insulation porcelain ring III 15 and the insulation porcelain ring IV 16 are connected in series through a riveting fixing assembly, the riveting fixing assembly comprises a rivet 7, one end of an overheat protection bimetallic strip 11 is fixed between the insulation porcelain ring IV 16 and a nail cap of the rivet 7, and one end of an integrated energy storage overturning spring piece 10 is fixed between the insulation porcelain ring III 15 and the insulation porcelain ring IV 16. By adopting the structure, the overheat protection bimetallic strip 11 and the integrated energy storage overturning elastic strip 10 are fixedly arranged on the insulating assembly at intervals. It should be noted that, in the initial state, the top of the trimming screw 12 for cutting off the temperature on the overheat protection bimetallic strip 11 is abutted against the position of the trimming screw pushing platform 105 of the integral energy storage turning spring strip 10, and when the overheat protection bimetallic strip 11 deforms upwards after being heated and expanded, the integral energy storage turning spring strip 10 can be pushed to move upwards.
As shown in fig. 3, one end of the overheat protection bimetallic strip 11 is provided with a bimetallic strip mounting hole 110 fixed between the insulating ceramic ring four 16 and the nut of the rivet 7, the other end of the overheat protection bimetallic strip 11 is provided with a screw hole 112 matched with the cutting-off temperature fine adjustment screw 12, and the middle part of the overheat protection bimetallic strip 11 is provided with a transverse bending prevention opening 111. By adopting the structure, the overheat protection bimetallic strip 11 is arranged at the position between the insulating ceramic ring IV 16 and the nail cap of the rivet 7 through the bimetallic strip mounting hole 110, the cutting-off temperature fine adjustment screw 12 is matched in the screw hole 112, and the position relation between the overheat protection bimetallic strip 11 and the integrated energy storage overturning elastic strip 10 can be adjusted by rotating the cutting-off temperature fine adjustment screw 12, so that the effect of adjusting and setting the overheat temperature threshold value is realized.
As shown in fig. 4, one end of the integral energy storage turning spring 10 is provided with a spring mounting hole 100 and an eccentric circular fixing end 106 fixed between the insulating ceramic ring III 15 and the insulating ceramic ring IV 16, the other end of the integral energy storage turning spring 10 is provided with a cutting ceramic mounting hole 104 for positioning and cutting ceramic 9 and a trimming screw pushing platform 105, the middle part of the integral energy storage turning spring 10 is provided with a spring fulcrum fixing end 101 and an energy storage reed 103, a turning sensitivity cutting hole 102 is arranged between the spring fulcrum fixing end 101 and the energy storage reed 103, and turning sensitivity cuts 107 are respectively arranged at two sides of the spring fulcrum fixing end 101 and the energy storage reed 103. By adopting the structure, the integral energy storage overturning elastic piece 10 is arranged at the position between the insulating ceramic ring III 15 and the insulating ceramic ring IV 16 through the elastic piece mounting hole 100, the action of the cutting ceramic rice mounting hole 104 is used for fixing and positioning the bottom of the cutting ceramic rice 9, so that the integral energy storage overturning elastic piece 10 drives the cutting ceramic rice 9 to move upwards when being pushed by force, the trimming screw pushing platform 105 is abutted against the top end of the cutting temperature trimming screw 12, the elastic piece mounting hole 100 is in an irregular circular arrangement, under the condition that the elastic piece fulcrum fixing end 101 is extruded, the energy storage reed 103 generates an automatic energy storage effect through a turnover angle, and the action of the turnover sensitivity cutting hole 102 and the turnover sensitivity notch 107 is used for controlling the fulcrum of the integral energy storage overturning elastic piece 10.
As shown in fig. 5, in the initial state of the integral energy storage turning spring 10, a triangular structure is preset downwards during installation, that is, the spring pivot fixed end 101 and the energy storage reed 103 are turned downwards by a certain angle, so that the energy storage state is achieved.
As shown in fig. 6, when the bimetal 11 is pushed by the overheat protection, the integral energy storage turning spring 10 acts upward, and the energy storage elastic force of the integral energy storage turning spring 10 reaches a peak value when the trimming screw 12 is continuously pushed by the cut-off temperature.
As shown in fig. 7, when the energy storage elastic force of the integral energy storage overturning elastic sheet 10 reaches a peak value, the energy storage elastic force releases the energy storage, i.e. the energy storage elastic sheet instantaneously generates upward bouncing, thereby realizing that the lower reed 23 which is connected with the fixed contact sheet 18 with the terminal is driven to be pushed upwards by the cutting porcelain rice 9 forcibly, the circuit is disconnected and kept in a disconnected state, realizing the function of one-time overheat protection, playing a guarantee effect on equipment and improving the safety factor.
More specifically, the temperature sensing device includes a bimetal 6, one end of the bimetal 6 is fixed on the insulation assembly, and the other end of the bimetal 6 is connected to the transmission device.
More specifically, the transmission device comprises a transmission porcelain rice 5, one end of the transmission porcelain rice 5 is positioned on the bimetallic strip 6, and the other end of the transmission porcelain rice 5 is connected to the electric coupling switch assembly. By adopting the structure, when the bimetallic strip 6 is heated and expanded (without overheating), the bimetallic strip 6 drives the transmission porcelain rice 5 to push the electric connection switch assembly, so that the lower reed 23 is separated from the fixed contact 20 under the action of self elasticity, the circuit is disconnected, the temperature is stopped to be raised, the temperature is cooled to be fixed, the electric connection switch assembly, the transmission porcelain rice 5 and the bimetallic strip 6 are reset, the circuit is communicated, and the temperature is circularly controlled. When the disposable overheat protection device is in a protection state, the lower reed 23 is forced to push upwards by the cutting porcelain rice 9 on the integrated energy storage overturning elastic sheet 10, and no matter what temperature the bimetal 6 drives the transmission porcelain rice 5 to push the electric connection switch assembly to be in what position, the circuit can not be switched on.
More specifically, the electric connection switch assembly includes a reed 4 and a fixed contact 18 with a terminal, the reed 4 includes an upper reed 22 and a lower reed 23, the upper reed 22 is fixedly connected with one end of the lower reed 23 and sleeved on the transmission porcelain rice 5, one end of the upper reed 22 is fixed between the first insulating porcelain ring 13 and the second insulating porcelain ring 14 and is connected with a terminal 17, a moving contact 19 is arranged on the lower reed 23, one end of the fixed contact 18 with a terminal is fixed between the second insulating porcelain ring 14 and the third insulating porcelain ring 15, the other end of the fixed contact 18 with a fixed contact 20 and a limiting plate 8 for limiting and cutting off the porcelain rice 9 are arranged, the moving contact 19 is correspondingly connected with the fixed contact 20, and a positioning slot 21 connected with a temperature adjusting device is arranged on the upper surface of the upper reed 22. By adopting the structure, the cutting porcelain rice 9 is effectively limited by the limiting plate 8, so that the cutting porcelain rice 9 is prevented from generating displacement when moving upwards, and the cutting porcelain rice 9 can only use limiting holes (not marked in the figure) on the limiting plate 8 as guide rails under the action of stress.
More specifically, the temperature adjusting device comprises a pressing plate 1, an adjusting screw 2 and a positioning column 3, wherein one end of the positioning column 3 is abutted against a positioning groove 21 on an upper reed 22, the other end of the positioning column 3 is abutted against the adjusting screw 2, the adjusting screw 2 is rotatably arranged on the pressing plate 1, and the pressing plate 1 is fixed on an insulating assembly. By adopting the structure, the adjusting screw 2 can control the positioning column 3 to control the elasticity and the interval of the electric connection switch assembly, thereby realizing the effect of adjusting the set temperature.
Embodiment two:
as shown in fig. 8 and 9, the second embodiment is different from the first embodiment in that: the first embodiment adopts a vertical temperature controller, the second embodiment adopts a bridge temperature controller, and other structures are the same as those of the first embodiment except that the structures of the temperature regulating device and the temperature sensing device are slightly different, and the working principle is the same, so that repeated description is omitted.
The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative, not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are all within the scope of the present utility model.
Claims (8)
1. The utility model provides a take disposable overheat protection's temperature controller with adjustable, includes the temperature controller, the temperature controller is by temperature regulating device, transmission, temperature sensing device, electric connection switch module, insulation component and riveting fixed subassembly correspondence setting up and is constituteed, its characterized in that: the electric connection switch assembly is correspondingly provided with a disposable overheat protection device, the disposable overheat protection device comprises an overheat protection bimetallic strip (11) arranged above the temperature sensing device at intervals and an integral energy storage overturning elastic strip (10) arranged above the overheat protection bimetallic strip (11) at intervals, one end of the overheat protection bimetallic strip (11) is fixed on an insulation assembly, the other end of the overheat protection bimetallic strip (11) is provided with a cutting-off temperature fine tuning screw (12), one end of the integral energy storage overturning elastic strip (10) is fixed on the insulation assembly, the other end of the integral energy storage overturning elastic strip (10) is provided with a cutting-off ceramic rice (9), the top of the cutting-off ceramic rice (9) is correspondingly arranged with a double-reed piece of the electric connection switch assembly, the overheat protection bimetallic strip (11) drives the cutting-off temperature fine tuning screw (12) to move upwards, the integral energy storage overturning elastic strip (10) is driven to move upwards by the integral energy storage overturning elastic strip (10) to move upwards, one end of the cutting-off ceramic rice (9) is fixed on the insulation assembly, one end of the integral energy storage overturning elastic strip (9) is provided with a cutting-off ceramic rice (23) to move upwards, and a circuit (23) is disconnected with a lower contact strip (18) between the upper reed and a fixed reed.
2. An adjustable temperature controller with disposable overheat protection according to claim 1, wherein: the insulating assembly comprises an insulating porcelain ring I (13), an insulating porcelain ring II (14), an insulating porcelain ring III (15) and an insulating porcelain ring IV (16) which are sequentially overlapped from top to bottom, the insulating porcelain ring I (13), the insulating porcelain ring II (14), the insulating porcelain ring III (15) and the insulating porcelain ring IV (16) are connected in series through a riveting fixing assembly, the riveting fixing assembly comprises a rivet (7), one end of the overheat protection bimetallic strip (11) is fixed between the insulating porcelain ring IV (16) and a nut of the rivet (7), and one end of the integrated energy storage overturning spring piece (10) is fixed between the insulating porcelain ring III (15) and the insulating porcelain ring IV (16).
3. An adjustable temperature controller with disposable overheat protection according to claim 1, wherein: one end of the overheat protection bimetallic strip (11) is provided with a bimetallic strip mounting hole (110) fixed between the insulating porcelain ring IV (16) and a nail cap of the rivet (7), the other end of the overheat protection bimetallic strip (11) is provided with a screw hole (112) matched with the cutting-off temperature fine adjustment screw (12), and the middle part of the overheat protection bimetallic strip (11) is provided with a transverse bending prevention opening (111).
4. An adjustable temperature controller with disposable overheat protection according to claim 1, wherein: one end of integral type energy storage upset shell fragment (10) is equipped with shell fragment mounting hole (100) and eccentric circle stiff end (106) that are fixed in between insulating porcelain ring three (15) and insulating porcelain ring four (16), the other end of integral type energy storage upset shell fragment (10) is equipped with and is used for the location to cut off porcelain rice mounting hole (104) and fine setting screw pushing platform (105) of porcelain rice (9), the middle part of integral type energy storage upset shell fragment (10) is equipped with shell fragment fulcrum stiff end (101) and energy storage reed (103), be equipped with upset sensitivity cut-out hole (102) between shell fragment fulcrum stiff end (101) and energy storage reed (103), shell fragment fulcrum stiff end (101) and energy storage reed (103) both sides are equipped with upset sensitivity incision (107) respectively.
5. An adjustable temperature controller with disposable overheat protection according to claim 1, wherein: the temperature sensing device comprises a bimetallic strip (6), one end of the bimetallic strip (6) is fixed on the insulating assembly, and the other end of the bimetallic strip (6) is connected to the transmission device.
6. An adjustable temperature controller with disposable overheat protection according to claim 1, wherein: the transmission device comprises a transmission porcelain rice (5), one end of the transmission porcelain rice (5) is positioned on the bimetallic strip (6), and the other end of the transmission porcelain rice (5) is connected to the electric coupling switch assembly.
7. An adjustable temperature controller with disposable overheat protection according to claim 1, wherein: the electric connection switch assembly comprises a reed (4) and a strip-shaped wire connecting terminal fixed contact piece (18), the reed (4) comprises an upper reed (22) and a lower reed (23), one end of the upper reed (22) is fixedly connected with one end of the lower reed (23) and sleeved on a transmission porcelain meter (5), one end of the upper reed (22) is fixed between an insulating porcelain ring I (13) and an insulating porcelain ring II (14) and is connected with a wiring terminal (17), a movable contact (19) is arranged on the lower reed (23), one end of the strip-shaped wire connecting terminal fixed contact piece (18) is fixed between the insulating porcelain ring II (14) and the insulating porcelain ring III (15), the other end of the strip-shaped wire connecting terminal fixed contact piece (18) is provided with a fixed contact (20) and a limiting plate (8) for limiting and cutting off the porcelain meter (9), the movable contact (19) is correspondingly connected with the fixed contact (20), and the upper surface of the upper reed (22) is provided with a positioning groove (21) connected with a temperature adjusting device.
8. An adjustable temperature controller with disposable overheat protection according to claim 1, wherein: the temperature adjusting device comprises a pressing plate (1), an adjusting screw (2) and a positioning column (3), one end of the positioning column (3) is abutted against a positioning groove (21) on an upper reed (22), the other end of the positioning column (3) is abutted against the adjusting screw (2), the adjusting screw (2) is rotatably arranged on the pressing plate (1), and the pressing plate (1) is fixed on an insulating assembly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810598067.8A CN108597958B (en) | 2018-06-11 | 2018-06-11 | Adjustable temperature controller with disposable overheat protection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810598067.8A CN108597958B (en) | 2018-06-11 | 2018-06-11 | Adjustable temperature controller with disposable overheat protection |
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| CN108597958A CN108597958A (en) | 2018-09-28 |
| CN108597958B true CN108597958B (en) | 2023-09-01 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113397257A (en) * | 2021-07-16 | 2021-09-17 | 吉祥三宝高科纺织有限公司 | Electric heating scarf |
| CN115810509B (en) * | 2022-12-16 | 2023-10-03 | 佛山市九龙机器有限公司 | Double-loop temperature controller |
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|---|---|
| CN108597958A (en) | 2018-09-28 |
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