阅读说明：本技术 一种具有手动和自动复位功能的温控器 (Temperature controller with manual and automatic re-setting function ) 是由 周正欢 于 2020-04-16 设计创作，主要内容包括：本发明提供了一种具有手动和自动复位功能的温控器,属于温控器技术领域。本温控器的封盖套设于壳体开口处,封盖与导向架之间形成一容纳腔,容纳腔内设置有双金属碟片,双金属碟片包括间隙设置的第一金属碟片和第二金属碟片,陶瓷杆抵持于第二金属碟片与动簧片组件之间,壳体的底部设置有复位杆,复位杆与动簧片组件相抵持；本温控器通过双金属碟片和复位杆实现自动和手动复位功能,有效起到保护电路,避免火灾事故的发生。(The invention provides a temperature controller with manual and automatic reset functions, and belongs to the technical field of temperature controllers. The sealing cover of the temperature controller is sleeved at the opening of the shell, a containing cavity is formed between the sealing cover and the guide frame, a bimetallic disc is arranged in the containing cavity and comprises a first metal disc and a second metal disc which are arranged at intervals, the ceramic rod is abutted between the second metal disc and the movable reed assembly, the bottom of the shell is provided with a reset rod, and the reset rod is abutted with the movable reed assembly; the temperature controller realizes automatic and manual reset functions through the bimetallic disc and the reset rod, effectively protects a circuit and avoids fire accidents.)

1. The temperature controller with the manual and automatic reset functions comprises a shell (1), a fixed connection plate component (2), a movable reed component (3) and a sealing cover (4), wherein a guide frame (5) is arranged on the upper portion of the shell (1), a guide hole (6) is formed in the guide frame (5), a ceramic rod (7) is connected in the guide hole (6) in a sliding mode, a first terminal (8) and a second terminal (9) are arranged at the bottom of the shell (1), the first terminal (8) penetrates through the shell (1) and is connected with a first rivet (10) arranged in the shell (1), the second terminal (9) penetrates through the shell (1) and is connected with a second rivet (11) arranged in the shell (1), the first rivet (10) is connected with the fixed connection plate component (2), and the second rivet (11) is connected with the movable reed component (3), the novel spring leaf spring is characterized in that the sealing cover (4) is sleeved on the opening of the shell (1), a containing cavity (12) is formed between the sealing cover (4) and the guide frame (5), a bimetallic disc is arranged in the containing cavity (12), the bimetallic disc comprises a first metal disc (13) and a second metal disc (14) which are arranged in a gap, the ceramic rod (7) is abutted between the second metal disc (14) and the movable spring leaf component (3), the bottom of the shell (1) is slidably connected with a reset rod (15), and the reset rod (15) is abutted against the movable spring leaf component (3).

2. A thermostat with manual and automatic reset functions according to claim 1, characterized in that the fixed connection plate assembly (2) comprises a fixed connection plate (16) and a fixed contact (17), the fixed connection plate (16) is connected with the fixed contact (17) through riveting, and the first rivet (10) is connected with the fixed connection plate (16) through energy storage welding.

3. A thermostat with manual and automatic reset functions according to claim 2, characterized in that the movable spring assembly (3) comprises a movable spring (18) and a movable contact (19), the movable spring (18) is connected with the movable contact (19) by riveting, and the second rivet (11) is connected with the movable spring (18) by energy storage welding.

4. A thermostat with manual and automatic reset functions according to claim 3, characterized in that a first rivet sleeve (20) and a second rivet sleeve (21) are embedded in the housing (1), the first rivet (10) passes through the first rivet sleeve (20), one end of the first rivet (10) far away from the fixed connection plate (16) is riveted with the first terminal (8), the second rivet (11) passes through the second rivet sleeve (21), and one end of the second rivet (11) far away from the movable contact spring (18) is riveted with the second terminal (9).

5. A thermostat with manual and automatic reset functions according to claim 1, characterized in that the bottom of the housing (1) is provided with a reset hole (22), a blocking portion (23) is provided in the reset hole (22), the reset rod (15) is provided with a convex edge (24), the reset rod (15) can move up and down along the reset hole (22), and the blocking portion (23) can block the convex edge (24) to prevent the reset rod (15) from separating from the reset hole (22).

6. A thermostat with manual and automatic reset functions according to claim 1, characterized in that the upper part of the housing (1) has three concave sinks uniformly, which are used for installing the guide frame (5).

7. A thermostat with manual and automatic return functions according to claim 6, characterized in that the guide frame (5) is uniformly provided with three projections (25), the projections (25) being embedded in a sunken groove of the housing (1).

8. A thermostat with manual and automatic reset functions according to claim 1, characterized in that the side of the movable spring (18) away from the movable contact (19) is arranged in a circular arc shape.

9. A thermostat with manual and automatic reset functions according to claim 3, characterized in that the lower part of the movable spring plate (18) is provided with a through hole, and the upper part of the movable spring plate is provided with a raised part corresponding to the through hole.

10. A thermostat with manual and automatic return function according to claim 9, characterized in that the upper part of the return lever (15) is arranged in the shape of a circular arc, the return lever (15) can move upwards through the through hole to the concave surface of the arching part, and the ceramic rod (7) corresponds to the convex surface of the arching part.

Technical Field

The invention belongs to the technical field of temperature controllers, and relates to a temperature controller with manual and automatic reset functions.

Background

Common household appliances in the market, such as heat storage electric water heaters, instant electric water heaters, small kitchen appliances and other household electric heating devices need dual protection functions for electric heating. At present, two kick type temperature controllers are usually matched on the market, one temperature controller with an automatic reset function and one temperature controller with a manual reset function are connected in a circuit to be used as temperature control and overheating protectors, and with the continuous transformation of the household appliance industry, the temperature controllers tend to be high-end, intelligent and high-quality, the requirements on products are continuously improved, and the temperature controllers are attractive, small, safe and reliable; the installation of a plurality of kick type temperature controllers occupies large space, is complex in installation, high in price and cost, high in installation position requirement, low in safety and reliability and even capable of causing fire accidents in serious cases, and meanwhile, the defects that the temperature controllers and the overheat protectors are reversely installed and the like can occur.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a temperature controller with manual and automatic reset functions, and the technical problems to be solved by the invention are as follows: how to realize the manual and automatic reset of the temperature controller.

The purpose of the invention can be realized by the following technical scheme:

a temperature controller with manual and automatic reset functions comprises a shell, a fixed connecting plate component, a movable reed component and a sealing cover, wherein a guide frame is arranged at the upper part of the shell, a guide hole is formed in the guide frame, a ceramic rod is connected in the guide hole in a sliding manner, a first terminal and a second terminal are arranged at the bottom of the shell, the first terminal penetrates through the shell and is connected with a first rivet arranged in the shell, the second terminal penetrates through the shell and is connected with a second rivet arranged in the shell, the first rivet is connected with the fixed connecting plate component, the second rivet is connected with the movable reed component, the temperature controller is characterized in that the sealing cover is sleeved at the opening of the shell, a containing cavity is formed between the sealing cover and the guide frame, a bimetal disc is arranged in the containing cavity and comprises a first metal disc and a second metal disc which are arranged in a clearance, the ceramic rod is abutted between the second metal disc and the movable reed assembly, the bottom of the shell is connected with a reset rod in a sliding mode, and the reset rod is abutted against the movable reed assembly.

The working principle is as follows: when the temperature controller is in a normal use state, the bimetallic disc is arched upwards, the ceramic rod in the temperature controller is not acted by force, the movable reed component is contacted with the fixed connecting plate component, the current is conducted, when the ambient temperature around the temperature controller rises to a certain temperature, the first metal disc is distorted and deformed and arched downwards to push the second metal disc, the second metal disc is propped against the ceramic rod, the ceramic rod is propped downwards to press the movable reed component, the movable reed component is compressed and moves downwards, the fixed connecting plate component is separated from the movable reed component, the circuit connected to the temperature controller is disconnected and stops working, when the temperature is reduced and returns to normal, the bimetallic disc is recovered, the temperature controller automatically resets, and the circuit is switched on again; when the electric heating equipment is in failure or abnormally works and is overheated to dry and burn, the ambient temperature around the temperature controller rapidly rises to a certain temperature, the second metal disc is distorted and deformed and arches downwards, the second metal disc props against the ceramic rod, the ceramic rod props against the movable reed component downwards, the movable reed component is compressed and moves downwards, the fixed connecting plate component is separated from the movable reed component, and at the moment, a circuit connected with the temperature controller is disconnected and stops working; when the temperature drops and recovers to normal, the second metal disc can not recover automatically, and the spring assembly is pushed upwards manually through the reset rod arranged at the bottom of the shell, so that the movable spring assembly is in contact with the fixed connection plate assembly, the temperature controller resets manually, the circuit is switched on again, the protection circuit is played, and the fire accident is avoided.

In the temperature controller with manual and automatic re-setting functions, the fixed connecting plate assembly comprises a fixed connecting plate and a fixed contact, the fixed connecting plate is connected with the fixed contact in a riveting mode, and the first rivet is connected with the fixed connecting plate in an energy storage welding mode.

In the temperature controller with manual and automatic reset functions, the movable spring component comprises a movable spring and a movable contact, the movable spring is connected with the movable contact in a riveting mode, and the second rivet is connected with the movable spring in an energy storage welding mode.

In foretell temperature controller with manual and automatic re-setting function, it has first rivet cover and second rivet cover to inlay in the casing, first rivet passes first rivet cover, first rivet is kept away from the one end of deciding the fishplate bar with first terminal is riveted, the second rivet passes second rivet cover, the second rivet is kept away from movable contact spring one end with second terminal is riveted.

In foretell temperature controller with manual and automatic re-setting function, the bottom of casing is provided with the reset bore, be provided with the blocking part in the reset bore, the release link is provided with protruding edge, the release link can be followed the reset bore reciprocates, the blocking part can block protruding edge prevents that the release link from the reset bore.

In the temperature controller with manual and automatic reset functions, three concave sinking grooves are uniformly formed in the upper portion of the shell, and the concave sinking grooves are used for installing the guide frame.

In the above temperature controller with manual and automatic re-setting functions, the guide frame is evenly provided with three protrusions, and the protrusions are embedded in the sunken grooves of the shell.

In the temperature controller with manual and automatic reset functions, one side of the movable contact spring, which is far away from the movable contact, is arranged in an arc shape.

In the above temperature controller with manual and automatic reset functions, a through hole is provided at the lower part of the movable spring, and an arching part is provided at the upper part of the movable spring, wherein the arching part corresponds to the through hole.

In the above temperature controller with manual and automatic re-setting functions, the upper portion of the reset rod is arc-shaped, the reset rod can pass through the through hole and move upwards to the concave surface of the arching part, and the ceramic rod corresponds to the convex surface of the arching part.

Compared with the prior art, the invention has the following advantages:

1. the temperature controller realizes automatic and manual reset functions through the bimetallic disc and the reset rod, effectively protects a circuit and avoids fire accidents.

2. The leading truck is provided with evenly distributed's three bulge, and the bulge is inlayed in the sunken inslot of casing, effectively avoids leading truck and casing cooperation to rock the problem.

3. Set up the rivet cover in the casing, through riveting fixed between rivet and the terminal, welded fastening between rivet and movable contact spring subassembly and the fixed plate subassembly guarantees temperature controller accessible heavy current.

Drawings

FIG. 1 is a schematic structural diagram of the present thermostat;

FIG. 2 is a schematic structural diagram of the thermostat in normal operation;

FIG. 3 is a schematic structural diagram of the thermostat when it stops working;

FIG. 4 is a schematic structural view of the guide frame;

fig. 5 is a schematic structural view of the housing.

In the figure, 1, a housing; 2. a fixed connection plate assembly; 3. a movable reed component, 4 and a sealing cover; 5. a guide frame; 6. a guide hole; 7. a ceramic rod; 8. a first terminal; 9. a second terminal; 10. a first rivet; 11. a second rivet; 12. an accommodating chamber; 13. a first metal disc; 14. a second metal disc; 15. a reset lever; 16. fixing and connecting the plate; 17. fixing a contact; 18. a movable spring plate; 19. a moving contact; 20. a first rivet bush; 21. a second rivet sleeve; 22. a reset hole; 23. a blocking portion; 24. a convex edge; 25. a projection.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-3, the temperature controller with manual and automatic reset functions comprises a housing 1, a fixed connection plate assembly 2, a movable contact spring assembly 3 and a sealing cover 4, wherein a guide frame 5 is arranged on the upper portion of the housing 1, the guide frame 5 is provided with a guide hole 6, a ceramic rod 7 is slidably connected in the guide hole 6, a first terminal 8 and a second terminal 9 are arranged at the bottom of the housing 1, the first terminal 8 penetrates through the housing 1 and is connected with a first rivet 10 arranged in the housing 1, the second terminal 9 penetrates through the housing 1 and is connected with a second rivet 11 arranged in the housing 1, the first rivet 10 is connected with the fixed connection plate assembly 2, the second rivet 11 is connected with the movable contact spring assembly 3, the sealing cover 4 is sleeved at an opening of the housing 1, a containing cavity 12 is formed between the sealing cover 4 and the guide frame 5, a bimetal disc is arranged in the containing cavity 12, the bimetal disc comprises a first metal disc 13 and a second metal disc, the ceramic rod 7 is abutted between the second metal disc 14 and the movable reed component 3, the bottom of the shell 1 is slidably connected with the reset rod 15, and the reset rod 15 is abutted with the movable reed component 3.

As shown in fig. 2, in this embodiment, when the thermostat is in a normal use state, the bimetal disc is arched upwards, the ceramic rod 7 in the thermostat is not acted by force, the movable spring plate assembly 3 is in contact with the fixed connection plate assembly 2, and at this time, the current is conducted.

As shown in fig. 3, in this embodiment, when the ambient temperature around the temperature controller rises to a certain temperature, the first metal disc 13 is distorted and deformed, and arches downward, pushing the second metal disc 14, the second metal disc 14 abuts against the ceramic rod 7, the ceramic rod 7 abuts against the movable reed downward, the movable reed assembly 3 compresses and moves downward, the fixed plate assembly 2 is separated from the movable reed assembly 3, at this time, the circuit connected to the temperature controller is turned off, and stops working, when the temperature decreases and returns to normal, the bimetal disc returns, the temperature controller automatically resets, and the circuit is turned on again.

As shown in fig. 3, in this embodiment, when the electric heating device is failed or is overheated to dry heat during abnormal operation, the ambient temperature around the temperature controller rapidly rises to a certain temperature, the second metal disc 14 is distorted and deformed and arches downward, the second metal disc 14 abuts against the ceramic rod 7, the ceramic rod 7 abuts against the movable reed assembly 3 downward, the movable reed assembly 3 compresses and moves downward, the fixed plate assembly 2 is separated from the movable reed assembly 3, and at this time, the circuit connected to the temperature controller is disconnected and stops working; when the temperature is reduced and normal, the second metal disc 14 can not automatically recover, and at the moment, the spring assembly 3 is manually pushed upwards through the reset rod 15 arranged at the bottom of the shell 1, so that the movable spring assembly 3 is in contact with the fixed connection plate assembly 2, the temperature controller is manually reset, the circuit is switched on again, the protection circuit is played, and the occurrence of fire accidents is avoided.

As shown in fig. 2-3, in the present embodiment, the fixed connecting plate assembly 2 includes a fixed connecting plate 16 and a fixed contact 17, the fixed connecting plate 16 is connected with the fixed contact 17 by riveting, and the first rivet 10 is connected with the fixed connecting plate by energy storage welding; the movable contact spring component 3 comprises a movable contact spring 18 and a movable contact 19, the movable contact spring 18 is connected with the movable contact 19 in a riveting mode, and the second rivet 11 is connected with the movable contact spring 18 in an energy storage welding mode. In the structure, the fixed connecting plate 16 is connected with the fixed contact 17 in a riveting mode, the first rivet 10 is connected with the fixed connecting plate 16 in an energy storage welding mode, the movable contact spring 18 is connected with the movable contact 19 in a riveting mode, and the second rivet 11 is connected with the movable contact spring 18 in an energy storage welding mode, so that the connection firmness can be effectively guaranteed, and the high current can be circulated. As a preferred embodiment, the fixed contact 17 and the movable contact 19 are silver contacts, which have good electrical conductivity.

As shown in fig. 1, in the present embodiment, a first rivet sleeve 20 and a second rivet sleeve 21 are embedded in the housing 1, the first rivet 10 passes through the first rivet sleeve 20, one end of the first rivet 10 away from the fixed plate 16 is riveted with the first terminal 8, the second rivet 11 passes through the second rivet sleeve 21, and one end of the second rivet 11 away from the movable spring 18 is riveted with the second terminal 9. In this structure, lead to riveted structure, make the temperature controller pass through the ability reinforce of heavy current, and part positioning accuracy is high, and the cooperation error is little.

As shown in fig. 5, in the present embodiment, the bottom of the housing 1 is provided with a reset hole 22, a blocking portion 23 is provided in the reset hole 22, the reset rod 15 is provided with a convex edge 24, the reset rod 15 can move up and down along the reset hole 22, and the blocking portion 23 can block the convex edge 24 to prevent the reset rod 15 from separating from the reset hole 22.

As shown in fig. 1 and 4, in this embodiment, three concave sunken grooves are uniformly formed in the upper portion of the housing 1, the concave sunken grooves are used for mounting the guide frame 5, the guide frame 5 is uniformly provided with three protrusions 25, and the protrusions 25 are embedded in the concave sunken grooves of the housing 1. In this structure, leading truck 5 is provided with evenly distributed's three bulge 25, and bulge 25 inlays in the sunken inslot of casing 1, effectively avoids leading truck 5 and casing 1 cooperation to rock the problem.

As shown in fig. 1, in this embodiment, a side of the movable contact spring 18 away from the movable contact 19 is arranged in an arc shape. In the structure, one side of the movable spring leaf, which is far away from the movable contact 19, is in the shape of an arc, and the fatigue resistance of the elasticity of the movable spring leaf can be enhanced. The lower part of the movable spring plate 18 is provided with a through hole, the upper part of the movable spring plate is provided with an arch part, and the arch part corresponds to the through hole; the upper portion of release link 15 is convex setting, and release link 15 can pass through the through-hole and upwards remove to the concave surface of hunch-up portion, and ceramic rod 7 corresponds with the convex surface of hunch-up portion. In the structure, when manual reset is needed, the reset rod 15 is pushed upwards, the reset rod 15 penetrates through the through hole to move to the concave surface of the arching part of the movable reed 18, the movable reed 18 is pushed upwards, the movable reed 18 pushes the ceramic rod 7 to enable the bimetallic disc to recover to a normal state, the movable contact 19 of the movable reed 18 is in re-contact with the fixed contact 17 of the fixed connection plate 16, and the temperature controller recovers to work normally.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.