CN108321013B - Dual-protection reset-prevention temperature controller - Google Patents
Dual-protection reset-prevention temperature controller Download PDFInfo
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- CN108321013B CN108321013B CN201810126133.1A CN201810126133A CN108321013B CN 108321013 B CN108321013 B CN 108321013B CN 201810126133 A CN201810126133 A CN 201810126133A CN 108321013 B CN108321013 B CN 108321013B
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- bimetallic strip
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- adjusting
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- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 45
- 230000003068 static effect Effects 0.000 claims abstract description 33
- 238000009413 insulation Methods 0.000 claims abstract description 30
- 238000002955 isolation Methods 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 14
- 230000009977 dual effect Effects 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims description 20
- 235000014676 Phragmites communis Nutrition 0.000 claims description 2
- 238000009841 combustion method Methods 0.000 abstract description 12
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
Classifications
-
- 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
- H01H37/521—Thermally-sensitive members actuated due to deflection of bimetallic element comprising a plurality of bimetals acting in the same direction
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Thermally Actuated Switches (AREA)
Abstract
The utility model provides a dual protection prevent temperature controller that resets, go up binding post electricity and be connected with the second bimetallic strip, the movable end of second bimetallic strip is installed and is gone up the moving contact, go up moving contact and static contact electric connection, moving contact subassembly below is equipped with the mount pad, threaded connection has the regulation porcelain pole on the mount pad, adjust porcelain pole one end and move the contact subassembly and offset, the other end extends into the cavity in the mount pad, elastic connection has reset actuating sleeve and the anti-reset slider that is the installation of different orientation, reset actuating sleeve one end extends outside the mount pad, the one end of anti-reset slider extends outside the mount pad and is equipped with the anti-reset isolation piece, the anti-reset isolation piece is with last moving contact and static contact insulating isolation after the high temperature deformation of second bimetallic strip, reset actuating sleeve promotes the anti-reset isolation piece and leaves between moving contact and the static contact insulation after the second bimetallic strip restores, realize resetting, avoid because the user does not handle for a long time, make the second bimetallic strip reset cause the problem such as dry combustion method after the reduction.
Description
Technical Field
The invention relates to the field of temperature controllers, in particular to a double-protection reset-prevention temperature controller.
Background
At present, the temperature controller is used on electric heating equipment more, when sensing the temperature and equal to or surpass the temperature and predetermine the value, bimetallic strip is heated to warp and promote and prevent dry combustion method switch action, with breaking off conductive line, realize preventing the effect of dry combustion method, but, the single bimetallic strip of temperature controller only installs today and prevents dry combustion method structure, when installing the temperature controller of single protection architecture and damage, the temperature controller loses the guard action to electric heater, cause whole electric heater to damage even more serious incident, bimetallic strip possesses automatic re-setting function in traditional temperature controller moreover, bimetallic strip deformation automatic re-setting when self temperature is less than reset temperature and presets the value, if: the preset reset temperature value is 50 ℃, the bimetallic strip is disconnected from the conductive circuit due to dry heating (overheating), if a user does not timely treat the dry heating problem, the self temperature of the bimetallic strip is lower than 50 ℃ after a period of heat dissipation and temperature reduction, the conductive circuit is disconnected again after the bimetallic strip is reset, the bimetallic strip is disconnected from the conductive circuit due to dry heating, and thus the dry heating power-off, the temperature reduction and the reset power-on are repeated, the temperature controller and an electric appliance using the temperature controller are easy to age, the service life is reduced, and safety accidents are extremely easy to cause.
Disclosure of Invention
The invention aims to solve the existing problems and provide a double-protection reset-prevention temperature controller with simple and reasonable structure, which has the function of avoiding the problems of failure of the temperature controller caused by the structural damage of a single bimetallic strip, repeated dry burning caused by the temperature reduction and reset of the bimetallic strip and the like.
The utility model provides a dual protection prevent temperature controller that resets, includes the insulated column, installs first bimetallic strip, upper binding post, static contact piece, movable contact piece subassembly and the lower binding post who is connected with movable contact piece subassembly on the insulated column respectively, and movable contact piece subassembly's one end and static contact piece electric connection, install insulating adjusting device between movable contact piece subassembly's the other end and the movable end of first bimetallic strip, upper binding post electricity is connected with the second bimetallic strip, and upper moving contact is installed to the movable end of second bimetallic strip, upper moving contact and static contact electric connection; under normal condition, the temperature controller is provided with first bimetallic strip structure, can effectively improve the beneficial effect of preventing dry combustion method for the temperature controller, but because first bimetallic strip is connected with movable contact piece subassembly, and the error in the movable contact piece subassembly structure is comparatively complicated or the assembly process has certain probability to appear first bimetallic strip and prevent dry combustion method failure, the temperature controller increases the second bimetallic strip this moment, duplicate bimetallic strip structure can provide dual protection, solve single bimetallic strip structure and damage the back, the temperature controller prevents dry combustion method inefficacy, causes whole electric heater to damage even more serious incident.
A mounting seat is arranged below the movable contact piece assembly, an adjusting porcelain rod is connected to the mounting seat through threads, one end of the adjusting porcelain rod abuts against the movable contact piece assembly, and the other end of the adjusting porcelain rod extends into a cavity in the mounting seat; through adjusting the porcelain pole, make the adjustment porcelain pole promote the slight bending deformation of movable contact piece subassembly, make the temperature controller realize the heat preservation function of different temperatures.
The cavity is internally and elastically connected with a reset driving sleeve and an anti-reset sliding block which are installed in different directions, one end of the reset driving sleeve extends out of the installation seat, and an anti-reset isolation block is arranged outside the installation seat extending out of one end of the anti-reset sliding block.
The anti-reset isolation block insulates the upper moving contact from the static contact after the second bimetallic strip deforms at high temperature, and the reset driving sleeve pushes the anti-reset isolation block to leave between the upper moving contact and the static contact after the second bimetallic strip is restored, so that reset is realized.
Under the normal state of the temperature controller, the upper moving contact is in contact connection with the static contact, at the moment, the anti-reset isolation block is pressed against the outer side of the upper moving contact under the elastic acting force, after the second bimetallic strip is deformed at high temperature, the anti-reset isolation block moves upwards, so that the anti-reset isolation block loses resistance, the anti-reset isolation block is pushed between the upper moving contact and the static contact under the elastic acting force, when the device provided with the temperature controller is not processed for a long time, the second bimetallic strip is reset after being cooled, the reset isolation block insulates the upper moving contact and the static contact, and the upper moving contact and the static contact are prevented from being contacted again to be connected with a power supply, so that the device is repeatedly burned.
The upper fixed contact and the upper fixed contact are respectively arranged on the fixed contact, the lower moving contact which is in electrical contact with the lower fixed contact is arranged on the corresponding movable contact assembly, and the upper fixed contact is electrically connected with the upper moving contact, so that the structure is simple and the contact is convenient.
The other end of the adjusting porcelain rod extends into the reset driving sleeve, a limiting chute is arranged in the reset driving sleeve, a bump matched with the limiting chute extends at the bottom of the corresponding adjusting porcelain rod, and a first reset spring pressed against the bottom of the adjusting porcelain rod is arranged in the reset driving sleeve.
When the movable contact is required to be regulated and pressed by the regulating porcelain rod, the reset driving sleeve is rotated, the limiting chute of the reset driving sleeve drives the lug of the regulating porcelain rod to rotate, so that the regulating porcelain rod is enabled to rotate to move up and down, the force for pressing the movable contact is regulated, meanwhile, after the upper movable contact and the fixed contact are insulated and isolated after the second bimetallic strip is deformed at high temperature, a user pushes the reset driving sleeve to move towards the direction of the regulating porcelain rod after the second bimetallic strip is cooled, the reset isolating block is pushed to leave between the upper movable contact and the fixed contact for completing reset, and at the moment, the regulating porcelain rod is fixed, the limiting chute slides relatively along the lug, so that the reset function is realized, and meanwhile, the heat preservation value of the regulating porcelain rod is not influenced.
The one end of preventing reset slider has been seted up and has been reset the inclined plane, reset the inclined plane and reset the drive sleeve elasticity and bulldoze the cooperation, and the other end of preventing reset slider extends there is the location lug, has cup jointed second reset spring on the location lug, makes the slider that prevents reset through second reset spring and slides in the cavity, simple structure, convenient assembling, through reset the inclined plane, makes the drive sleeve that resets of longitudinal movement can drive and prevent reset slider lateral shifting.
The movable contact assembly comprises an upper movable contact and a lower movable contact which are mutually elastically buckled, the fixed end of the lower movable contact is fixedly connected with a lower wiring terminal on an insulating column, the movable end of the lower movable contact is connected with one end of the upper movable contact, the other end of the upper movable contact is provided with a lower movable contact, and the lower movable contact is electrically connected with a lower static contact.
The structure is a disclosed technology, is beneficial to normalized production and improves production efficiency.
The insulation adjusting device comprises an insulation block, the insulation block is arranged at the movable end of the upper movable contact piece, a thread adjusting hole is formed in the corresponding first bimetallic strip, a thread column capable of moving up and down is arranged in the thread adjusting hole, the bottom of the thread column and the insulation block form press-fit through adjusting the thread column, the structure is convenient to install and rapid to assemble, production efficiency can be improved, the insulation block is fastened on the upper movable contact piece, insulation is convenient, the height of the lower movable contact piece is manually adjusted in a fine adjustment mode before delivery, and deformation parameters are adjusted, so that the adjustable insulation temperature range can be accurately determined.
The insulating block comprises an insulating body, an insulating sleeve which is sleeved and matched with the bottom of the threaded column is extended from the top of the insulating body, and the threaded column is prevented from shifting, so that the temperature controller is prevented from being damaged.
The bottom of first bimetallic strip is provided with the insulating film, because the second bimetallic strip is installed in the below of first bimetallic strip, the insulating film can avoid the second bimetallic strip high temperature to warp the back, upwards crooked and first bimetallic strip electrical contact, causes the temperature controller to prevent dry combustion method inefficacy.
The installation seat is provided with a threaded hole, the outer wall of the adjusting porcelain rod is provided with an external thread in threaded connection with the threaded hole, the adjusting porcelain rod is in threaded connection, and the adjusting porcelain rod cannot be pushed to slightly displace when the resetting driving sleeve is reset and moved, so that the heat preservation value is deviated, and the adjusting porcelain rod can only drive the adjusting porcelain rod to rotate and displace when the resetting driving sleeve rotates.
The anti-reset isolation block comprises a connecting part connected with the anti-reset slide block, the top surface of the connecting part horizontally extends to isolate the isolation part of the upper moving contact and the static contact, and the connecting part, the isolation part and the anti-reset slide block are integrally connected, so that the anti-reset slide block is simple in structure and convenient to produce.
The beneficial effects of the invention are as follows:
the dual-protection reset-prevention temperature controller is simple in structure, the dual-protection bimetallic strip structure can provide dual protection, and the problems that after the single bimetallic strip structure is damaged, the temperature controller is prevented from being in dry burning failure, the whole electric heater is damaged, even serious safety accidents are caused, after the first bimetallic strip is damaged, the electric heater is prevented from dry burning to trigger the second bimetallic strip to be heated and deformed, after a temperature controller circuit is disconnected, the second bimetallic strip is reset after being cooled due to long-time untreated by a user, and the like are solved.
Drawings
Fig. 1 is a schematic view of the normal operation state structure of the present invention.
Fig. 2 is a schematic diagram of the dry combustion operation state structure of the present invention.
Fig. 3 is a schematic diagram of the reset operation state structure of the present invention.
Fig. 4 is a schematic cross-sectional view of the present invention.
Fig. 5 is a schematic cross-sectional view of the second embodiment of the present invention.
Detailed Description
The invention will be further described with reference to the drawings and examples.
As shown in fig. 1, a dual-protection reset-prevention temperature controller comprises an insulation column 1, wherein a first bimetallic strip 2, an upper wiring terminal 3, a static contact strip 4, a movable contact strip assembly 5 and a lower wiring terminal 6 connected with the movable contact strip assembly 5 are respectively arranged on the insulation column 1, one end of the movable contact strip assembly 5 is electrically connected with the static contact strip 4, an insulation adjusting device 7 is arranged between the other end of the movable contact strip assembly 5 and the movable end of the first bimetallic strip 2, the upper wiring terminal 3 is electrically connected with a second bimetallic strip 8, an upper movable contact 9 is arranged at the movable end of the second bimetallic strip 8, and the upper movable contact 9 is electrically connected with the static contact strip 4; under normal condition, the temperature controller is provided with first bimetallic strip 2 structure, can effectively improve the beneficial effect of preventing dry combustion method for the temperature controller, but because first bimetallic strip 2 is connected with movable contact piece subassembly 5, and the error in the movable contact piece subassembly 5 structure is comparatively complicated or the assembly in-process, the first bimetallic strip 2 of having a certain probability to appear prevents dry combustion method failure, temperature controller increases second bimetallic strip 8 this moment, duplicate bimetallic strip structure can provide dual protection, solve single bimetallic strip structure and damage the back, the temperature controller prevents that dry combustion method from failing, causes whole electric heater to damage even more serious incident.
An installation seat 10 is arranged below the movable contact piece assembly 5, an adjusting porcelain rod 11 is connected to the installation seat 10 in a threaded manner, one end of the adjusting porcelain rod 11 abuts against the movable contact piece assembly 5, and the other end extends into a cavity 12 in the installation seat 10; through adjusting the adjusting porcelain rod 11, the adjusting porcelain rod 11 pushes the movable contact piece assembly 5 to slightly bend and deform, so that the temperature controller realizes the heat preservation function of different temperatures.
The inside of the cavity 12 is elastically connected with a reset driving sleeve 13 and an anti-reset sliding block 14 which are installed in different directions, one end of the reset driving sleeve 13 extends out of the installation seat 10, and one end of the anti-reset sliding block 14 extends out of the installation seat 10 and is provided with an anti-reset isolation block 15.
As shown in fig. 2 to 3, after the second bimetal 8 deforms at high temperature, the anti-reset isolation block 15 insulates the upper moving contact 9 from the static contact 4, and the anti-reset isolation block 15 is pushed to leave between the upper moving contact 9 and the static contact 4 after the second bimetal 8 is restored, so that reset is realized, after the first bimetal 2 is damaged, the electric heater generates dry burning to trigger the second bimetal 8 to deform after being heated, and after a circuit of the temperature controller is disconnected, the temperature controller is not treated for a long time by a user, so that the problems of repeated dry burning and the like are caused by resetting after the second bimetal 8 is cooled down.
Under the normal state of the temperature controller, the upper moving contact 9 is in contact connection with the static contact 4, at the moment, the reset-preventing isolation block 15 is pressed against the outer side of the upper moving contact 9 under elastic acting force, after the second bimetallic strip 8 is deformed at high temperature, the reset-preventing isolation block 15 moves upwards, so that the resistance of the reset-preventing isolation block 15 is lost, the reset-preventing isolation block 15 is pushed between the upper moving contact 9 and the static contact 4 under elastic acting, when the device provided with the temperature controller is not treated for a long time, the second bimetallic strip 8 is reset after being cooled, the reset-preventing isolation block 15 insulates the upper moving contact 9 and the static contact 4, the power is prevented from being connected by the reset-preventing isolation block, and the device is repeatedly subjected to dry heating.
As shown in fig. 4 to 5, the upper static contact 401 and the lower static contact 402 are respectively mounted on the static contact 4, and the lower moving contact 16 in electrical contact with the lower static contact 402 is disposed on the corresponding moving contact assembly 5, and the upper static contact 401 is electrically connected with the upper moving contact 9, so that the structure is simple and the contact is convenient.
The other end of the adjusting porcelain rod 11 extends into the reset driving sleeve 13, a limiting chute 17 is arranged in the reset driving sleeve 13, a bump 18 matched with the limiting chute 17 extends at the bottom of the corresponding adjusting porcelain rod 11, and a first reset spring 19 pressed against the bottom of the adjusting porcelain rod 11 is arranged in the reset driving sleeve 13.
When the movable contact piece is required to be regulated and pressed by the regulating porcelain rod 11, the reset driving sleeve 13 is rotated, the limiting chute 17 of the reset driving sleeve 13 drives the lug 18 of the regulating porcelain rod 11 to rotate, so that the regulating porcelain rod 11 rotates to realize up-and-down movement, the force for pressing the movable contact piece is regulated, meanwhile, after the upper movable contact 9 and the fixed contact piece 4 are insulated and isolated after the second bimetallic strip 8 deforms at high temperature, the reset driving sleeve 13 is pushed to move towards the direction of the regulating porcelain rod 11 when a user needs to reset after the second bimetallic strip 8 cools down, the reset isolating block 15 is pushed to leave between the upper movable contact 9 and the fixed contact piece 4, the reset is completed, and at the moment, the regulating porcelain rod 11 is fixed, the limiting chute 17 slides relatively along the lug 18, so that the reset function is realized, and meanwhile, the heat preservation value of the regulating porcelain rod 11 cannot be influenced.
The one end of preventing reset slider 14 has been seted up and has been reset inclined plane 20, reset inclined plane 20 and reset drive cover 13 elasticity bulldozes the cooperation, and the other end of preventing reset slider 14 extends has positioning bump 21, has cup jointed second reset spring 22 on the positioning bump 21, makes the slider 14 that prevents reset slide in cavity 12 through second reset spring 22, simple structure, convenient assembling, through reset inclined plane 20, makes the reset drive cover 13 of longitudinal movement can drive the slider 14 lateral shifting that prevents reset.
The movable contact assembly 5 comprises an upper movable contact 501 and a lower movable contact 502 which are elastically buckled with each other, the fixed end of the lower movable contact 502 is fixedly connected with the lower wiring terminal 6 on the insulating column 1, the movable end of the lower movable contact 502 is connected with one end of the upper movable contact 501, the other end of the upper movable contact 501 is provided with a lower movable contact 16, and the lower movable contact 16 is electrically connected with the lower fixed contact 402.
The fixed end of the lower movable contact piece 502 is extended with a regulating piece 503, and an elastic reed 504 is arranged between the movable end of the regulating piece 503 and the other end of the upper movable contact piece 501.
The insulation adjusting device 7 comprises an insulation block 701, the insulation block 701 is arranged at the movable end of the upper movable contact 501, a thread adjusting hole 201 is formed in the corresponding first bimetallic strip 2, a thread column 702 which can move up and down is arranged in the thread adjusting hole 201, the bottom of the thread column and the insulation block 701 form press fit through adjusting the thread column 702, the structure is convenient to install and rapid to assemble, the production efficiency can be improved, the insulation block 701 is fastened on the upper movable contact 501, insulation is facilitated, the height of the lower movable contact is adjusted through manual fine adjustment before delivery, and deformation parameters can be adjusted, so that the range of accurately determining the adjustable insulation temperature can be reached.
The insulation block 701 comprises an insulation body 701a, an insulation sleeve 701b which is sleeved and matched with the bottom of the threaded column 702 is extended from the top of the insulation body 701a, and the displacement of the threaded column 702 is avoided, so that the temperature controller is damaged.
The bottom of first bimetallic strip 2 is provided with insulating film 23, because second bimetallic strip 8 installs in the below of first bimetallic strip 2, insulating film 23 can avoid second bimetallic strip 8 high temperature to warp the back, upwards crooked and first bimetallic strip 2 electrical contact, causes the temperature controller to prevent dry combustion method inefficacy.
The mounting seat 10 is provided with a threaded hole 1001, the outer wall of the adjusting porcelain rod 11 is provided with an external thread 1101 which is in threaded connection with the threaded hole 1001, the adjusting porcelain rod 11 is in threaded connection, when the resetting driving sleeve 13 is reset and moves, the adjusting porcelain rod 11 cannot be pushed to slightly displace, the heat preservation value is deviated, and the adjusting porcelain rod 11 can only drive the adjusting porcelain rod 11 to rotate and displace only when the resetting driving sleeve 13 rotates.
The anti-reset isolation block 15 comprises a connecting portion 1501 connected with the anti-reset slide block 14, an isolation portion 1502 for insulating and isolating the upper moving contact 9 and the static contact 4 is horizontally extended on the top surface of the connecting portion, and the connecting portion 1501, the isolation portion 1502 and the anti-reset slide block 15 are integrally connected, so that the anti-reset slide block is simple in structure and convenient to produce.
It should be noted that the description of the present invention and the accompanying drawings illustrate preferred embodiments of the present invention, but the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, which are not to be construed as additional limitations of the invention, but are provided for a more thorough understanding of the present invention. The above-described features are further combined with each other to form various embodiments not listed above, and are considered to be the scope of the present invention described in the specification; further, modifications and variations of the present invention may be apparent to those skilled in the art in light of the foregoing teachings, and all such modifications and variations are intended to be included within the scope of this invention as defined in the appended claims.
Claims (7)
1. The utility model provides a dual protection prevent temperature controller that resets, including insulating column (1), install first bimetallic strip (2) on insulating column (1) respectively, go up binding post (3), static contact piece (4), movable contact piece subassembly (5) and lower binding post (6) be connected with movable contact piece subassembly (5), the one end and the static contact piece (4) electric connection of movable contact piece subassembly (5), install insulating adjusting device (7) between the other end of movable contact piece subassembly (5) and the expansion end of first bimetallic strip (2), its characterized in that: the upper wiring terminal (3) is electrically connected with a second bimetallic strip (8), an upper moving contact (9) is arranged at the movable end of the second bimetallic strip (8), and the upper moving contact (9) is electrically connected with the static contact (4);
an installation seat (10) is arranged below the movable contact piece assembly (5), an adjusting porcelain rod (11) is connected to the installation seat (10) in a threaded manner, one end of the adjusting porcelain rod (11) is propped against the movable contact piece assembly (5), and the other end of the adjusting porcelain rod extends into a cavity (12) in the installation seat (10);
a reset driving sleeve (13) and an anti-reset sliding block (14) which are installed in different directions are elastically connected in the cavity (12), one end of the reset driving sleeve (13) extends out of the installation seat (10), and one end of the anti-reset sliding block (14) extends out of the installation seat (10) and is provided with an anti-reset isolation block (15);
the reset-preventing isolation block (15) insulates the upper moving contact (9) from the static contact (4) after the second bimetallic strip (8) deforms at high temperature, and the reset driving sleeve (13) pushes the reset-preventing isolation block (15) to leave the space between the upper moving contact (9) and the static contact (4) after the second bimetallic strip (8) is restored, so that reset is realized;
the other end of the adjusting porcelain rod (11) extends into the reset driving sleeve (13), a limiting chute (17) is formed in the reset driving sleeve (13), a bump (18) matched with the limiting chute (17) extends at the bottom of the corresponding adjusting porcelain rod (11), and a first reset spring (19) pressed against the bottom of the adjusting porcelain rod (11) is arranged in the reset driving sleeve (13);
one end of the anti-reset sliding block (14) is provided with a reset inclined surface (20), the reset inclined surface (20) is elastically pushed and matched with the reset driving sleeve (13), the other end of the anti-reset sliding block (14) is extended to form a positioning convex block (21), a second reset spring (22) is sleeved on the positioning convex block (21), and the anti-reset sliding block (14) slides in the cavity (12) through the second reset spring (22).
2. The dual-protection anti-reset thermostat of claim 1, wherein: an upper fixed contact (401) and a lower fixed contact (402) are respectively arranged on the fixed contact (4), a lower moving contact (16) which is electrically contacted with the lower fixed contact (402) is arranged on the corresponding moving contact assembly (5), and the upper fixed contact (401) is electrically connected with the upper moving contact (9).
3. A dual protection anti-reset thermostat according to claim 1 or 2, characterized in that: the movable contact assembly (5) comprises an upper movable contact (501) and a lower movable contact (502) which are mutually elastically buckled, the fixed end of the lower movable contact (502) is fixedly connected with the lower wiring terminal (6) on the insulating column (1), the movable end of the lower movable contact (502) is connected with one end of the upper movable contact (501), the other end of the upper movable contact (501) is provided with a lower movable contact (16), and the lower movable contact (16) is electrically connected with the lower fixed contact (402).
4. A dual-protection anti-reset thermostat according to claim 3, wherein: and a regulating piece (503) extends on the fixed end of the lower movable contact piece (502), and an elastic reed (504) is arranged between the movable end of the regulating piece (503) and the other end of the upper movable contact piece (501).
5. The dual-protection anti-reset thermostat of claim 1, wherein: the insulation adjusting device (7) comprises an insulation block (701), the insulation block (701) is arranged at the movable end of the upper movable contact piece (501), a thread adjusting hole (201) is formed in the corresponding first bimetallic strip (2), a thread column (702) capable of moving up and down is arranged in the thread adjusting hole (201), and the bottom of the thread column is in press fit with the insulation block (701) through adjusting the thread column (702).
6. The dual-protection anti-reset thermostat of claim 5, wherein: the insulation block (701) comprises an insulation body (701 a), wherein an insulation sleeve (701 b) which is in sleeved fit with the bottom of the threaded column (702) extends from the top of the insulation body (701 a).
7. The dual-protection anti-reset thermostat of claim 1, wherein: an insulating film (23) is arranged at the bottom of the first bimetallic strip (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810126133.1A CN108321013B (en) | 2018-02-07 | 2018-02-07 | Dual-protection reset-prevention temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810126133.1A CN108321013B (en) | 2018-02-07 | 2018-02-07 | Dual-protection reset-prevention temperature controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108321013A CN108321013A (en) | 2018-07-24 |
| CN108321013B true CN108321013B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810126133.1A Active CN108321013B (en) | 2018-02-07 | 2018-02-07 | Dual-protection reset-prevention temperature controller |
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| CN (1) | CN108321013B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109755069A (en) * | 2019-01-08 | 2019-05-14 | 江苏汇商电器有限公司 | A kind of compression-type temperature controller with auxiliary switch function |
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| CN108321013A (en) | 2018-07-24 |
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