Double-disc manual and automatic integrated reset kick type temperature controller

By designing a dual-disc automatic/manual reset snap-action temperature controller, combined with automatic and manual reset bimetallic strips, the problem of equipment burnout caused by automatic reset failure was solved, realizing the automatic reset and temperature limiting functions of the temperature controller, and improving the safety of use.

CN223462165UActive Publication Date: 2025-10-21HAIYAN DONGLING ELECTRIC APPLIANCE CO LTD
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Patent Information

Application Number
CN202422956230.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-10-21
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

Existing snap-action temperature controllers are prone to burning out when the automatic reset bimetallic strip fails, while manual reset temperature controllers are inconvenient to use.

Method used

A dual-disc automatic/manual reset snap-action thermostat was designed, which combines automatic and manual reset bimetallic strips to enable the thermostat to automatically reset under normal conditions and manually reset when necessary, thus having dual functions of temperature control and temperature limiting.

Benefits of technology

It enables the temperature controller to automatically reset under normal conditions to prevent the equipment from overheating, and can still ensure safety by manual reset if the automatic reset fails, making it safer and more reliable to use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a double-disc manual-automatic integrated reset kick type temperature controller which comprises a main body seat, an upper cover cap, a lower cover cap, an automatic reset bimetallic strip, a manual reset bimetallic strip, a movable rod, a fixed conductive strip, a movable conductive strip and a reset switch, a first groove is formed in the upper end of the main body seat, the upper cover cap is installed at the upper end of the main body seat, and the lower cover cap is installed at the lower end of the main body seat. The upper cover cap covers the first groove, an automatic reset bimetallic strip and a manual reset bimetallic strip are arranged in the upper cover cap, the automatic reset bimetallic strip and the manual reset bimetallic strip both protrude upwards in a normal temperature state, and the manual reset bimetallic strip is stacked below the automatic reset bimetallic strip; according to the utility model, the automatic reset bimetallic strip and the manual reset bimetallic strip are arranged together, so that the temperature controller can automatically disconnect and reconnect a circuit under normal conditions to achieve the purpose of temperature control, and can automatically disconnect the circuit when the automatic reset bimetallic strip is in a failure state to achieve the purpose of temperature limiting, so that the device is safer to use.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of temperature control, in particular to the technical field of temperature controller. BACKGROUND

[0002] The jump type temperature controller is a bimetallic strip temperature controller, in order to prevent the environment temperature from being too high or dry burning, the jump type temperature controller used by it is required to have the function of completely cutting off the power supply circuit after temperature jump, the existing jump type temperature controller mainly has the automatic reset type temperature controller using automatic reset bimetallic strip and the manual reset type temperature controller using manual reset bimetallic strip, the automatic reset type temperature controller will appear the condition of equipment burning due to temperature being too high when the automatic reset bimetallic strip fails, and the manual reset type temperature controller is inconvenient to use due to needing manual reset. SUMMARY

[0003] The utility model discloses a purpose is to solve the problem in prior art, propose dual-disc manual-automatic reset jump type temperature controller, can make temperature controller under normal circumstances automatic reset, when necessary, can carry out automatic reset, and have the double function of temperature control and temperature limiting.

[0004] In order to realize the above-mentioned purpose, the utility model discloses a dual-disc manual-automatic reset jump type temperature controller, including main body seat, upper cap, lower cap, automatic reset bimetallic strip, manual reset bimetallic strip, movable rod, fixed conductive strip, movable conductive strip, reset switch, the first recess is seted up in main body seat upper end, and the upper cap is installed on main body seat upper end, the upper cap covers first recess, and the automatic reset bimetallic strip and manual reset bimetallic strip are arranged in the upper cap, and the automatic reset bimetallic strip and manual reset bimetallic strip are all upward protruding in normal temperature state, and the manual reset bimetallic strip is stacked below the automatic reset bimetallic strip, and the jump temperature of manual reset bimetallic strip is higher than the jump temperature of automatic reset bimetallic strip, the second recess is seted up in main body seat lower end, and the fixed conductive strip and movable conductive strip are fixed on main body seat, and the fixed conductive strip is fixed with static contact, and the movable conductive strip is fixed with dynamic contact, and the upper end of dynamic contact is in contact with the lower end of static contact, the movable rod is vertically arranged, and the lower end of movable rod is in contact with movable conductive strip, and the movable rod passes through the avoiding hole in the main body seat, and the lower cap is installed on main body seat lower end, and the reset button is installed on the lower cap.

[0005] As preferred, the fixed conductive strip and the movable conductive strip both extend into the second recess from the outside of the main body seat through the sidewall of the second recess.

[0006] As preferred, the automatic reset bimetallic strip and the manual reset bimetallic strip are located between the upper cap inner top wall and the main body seat top end, and the lower projection outer contours of the automatic reset bimetallic strip and the manual reset bimetallic strip are located on the main body seat upper end face.

[0007] As preferred, the reset button is composed of a main rod body, a limiting disc and a spring, a through hole is arranged on the lower cap, the main rod body vertically passes through the through hole, the main rod body is located on the same vertical axis with the movable rod, the limiting disc is fixed on the main rod body and located inside the lower cap, a spring is sleeved on the outside of the main rod body, the spring is clamped between the limiting disc and the lower cap inner bottom wall, and the two ends of the spring are fixed with the limiting disc and the lower cap inner bottom wall respectively.

[0008] The automatic reset bimetallic strip and the manual reset bimetallic strip are arranged together, so that the temperature controller can automatically disconnect and reconnect the circuit under normal conditions, achieves the purpose of temperature control, and can automatically disconnect the circuit under the condition that the automatic reset bimetallic strip fails, achieves the purpose of temperature limiting, and makes the device safer to use.

[0009] The features and advantages of the present application will be described in detail with reference to the embodiments and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is the normal temperature state front view of the double-disc manual-automatic integrated reset sudden jump type temperature controller of the present application;

[0011] Figure 2 is the front view of the automatic reset bimetallic strip after sudden jump of the double-disc manual-automatic integrated reset sudden jump type temperature controller of the present application;

[0012] Figure 3 is the front view of the manual reset bimetallic strip after sudden jump of the double-disc manual-automatic integrated reset sudden jump type temperature controller of the present application.

[0013] In the drawings: 1-main body seat, 3-upper cap, 4-lower cap, 5-movable rod, 11-first recess, 12-second recess, 13-fixed conductive strip, 14-movable conductive strip, 15-static contact, 16-moving contact, 31-automatic reset bimetallic strip, 32-manual reset bimetallic strip, 41-main rod body, 42-limiting disc, 43-spring, 50-avoidance hole. DETAILED DESCRIPTION

[0014] Referring to Figure 1 , Figure 2 and Figure 3The utility model discloses a dual-dish hand-automatic integrated reset sudden jump type temperature controller, including main body seat 1, upper cap 3, lower cap 4, automatic reset bimetallic strip 31, manual reset bimetallic strip 32, movable rod 5, fixed conductive strip 13, movable conductive strip 14, reset switch, the first recess 11 is seted up on the upper end of main body seat 1, and the upper cap 3 is installed on the upper end of main body seat 1, the upper cap 3 covers first recess 11, and the inside of upper cap 3 is equipped with automatic reset bimetallic strip 31 and manual reset bimetallic strip 32, and the automatic reset bimetallic strip 31 and manual reset bimetallic strip 32 are all upward protruding in normal temperature state, and the manual reset bimetallic strip 32 is stacked below the automatic reset bimetallic strip 31, and the sudden jump temperature of manual reset bimetallic strip 32 is higher than the sudden jump temperature of automatic reset bimetallic strip 31, the second recess 12 is seted up on the lower end of main body seat 1, and the fixed conductive strip 13 and movable conductive strip 14 are fixed on the upper end of main body seat 1, the static contact 15 is fixed on fixed conductive strip 13, and the dynamic contact 16 is fixed on movable conductive strip 14, and the upper end of dynamic contact 16 is in contact with the lower end of static contact 15, the movable rod 5 is vertically arranged, and the lower end surface center of manual reset bimetallic strip 32 is abutted to the upper end of movable rod 5, and the lower end of movable rod 5 is in contact with movable conductive strip 14, the inside of main body seat 1 is equipped with an avoiding hole 50 that is communicated with upper recess and lower recess, and movable rod 5 passes through avoiding hole 50, the lower cap 4 is installed on the lower end of main body seat 1, and the reset button is installed on the lower cap 4.

[0015] The fixed conductive strip 13 and movable conductive strip 14 all pass through the side wall of second recess 12 and extend into the inside of second recess 12 from the outside of main body seat 1.

[0016] The automatic reset bimetallic strip 31 and manual reset bimetallic strip 32 are located between the inner top wall of upper cap 3 and the top end of main body seat 1, and the outer contour of the lower projection of automatic reset bimetallic strip 31 and manual reset bimetallic strip 32 is located on the upper end surface of main body seat 1.

[0017] The reset button is composed of main rod body 41, limiting disc 42 and spring 43, a through hole is arranged on the lower cap 4, the main rod body 41 vertically passes through the through hole, the main rod body 41 is located on the same vertical axis as the movable rod 5, the limiting disc 42 is fixed on the main rod body 41, the limiting disc 42 is located in the inside of lower cap 4, a spring 43 is sleeved on the outside of main rod body 41, the spring 43 is clamped between the limiting disc 42 and the inner bottom wall of lower cap 4, the two ends of spring 43 are fixed with the limiting disc 42 and the inner bottom wall of lower cap 4 respectively, and the main rod body 41 can press movable rod 5 to the initial position.

[0018] The utility model discloses a dual-dish hand-automatic integrated reset sudden jump type temperature controller, including main body seat 1, upper cap 3, lower cap 4, automatic reset bimetallic strip 31, manual reset bimetallic strip 32, movable rod 5, fixed conductive strip 13, movable conductive strip 14, reset switch, the first recess 11 is seted up on the upper end of main body seat 1, and the upper cap 3 is installed on the upper end of main body seat 1, the upper cap 3 covers first recess 11, and the inside of upper cap 3 is equipped with automatic reset bimetallic strip 31 and manual reset bimetallic strip 32, and the automatic reset bimetallic strip 31 and manual reset bimetallic strip 32 are all upward protruding in normal temperature state, and the manual reset bimetallic strip 32 is stacked below the automatic reset bimetallic strip 31, and the sudden jump temperature of manual reset bimetallic strip 32 is higher than the sudden jump temperature of automatic reset bimetallic strip 31, the second recess 12 is seted up on the lower end of main body seat 1, and the fixed conductive strip 13 and movable conductive strip 14 are fixed on the upper end of main body seat 1, the static contact 15 is fixed on fixed conductive strip 13, and the dynamic contact 16 is fixed on movable conductive strip 14, and the upper end of dynamic contact 16 is in contact with the lower end of static contact 15, the movable rod 5 is vertically arranged, and the lower end surface center of manual reset bimetallic strip 32 is abutted to the upper end of movable rod 5, and the lower end of movable rod 5 is in contact with movable conductive strip 14, the inside of main body seat 1 is equipped with an avoiding hole 50 that is communicated with upper recess and lower recess, and movable rod 5 passes through avoiding hole 50, the lower cap 4 is installed on the lower end of main body seat 1, and the reset button is installed on the lower cap 4.

[0019] The utility model discloses a dual-dish hand-automatic integrated reset sudden jump type temperature controller, in the working process, when the temperature reaches the sudden jump temperature of automatic reset bimetallic strip 31, the automatic reset bimetallic strip 31 is concave downward and the movable rod 5 is forced to move downward, the movable rod 5 presses the movable conducting strip 14 downward, the movable conducting strip 14 is curved downward, the moving contact 16 is separated from the static contact 15, and the temperature controller disconnects the circuit.

[0020] When the automatic reset bimetallic strip 31 fails to reach the sudden jump temperature of the automatic reset bimetallic strip 31, the temperature continues to rise, when the temperature reaches the sudden jump temperature of the manual reset bimetallic strip 32, the manual reset bimetallic strip 32 is concave downward, the movable rod 5 is forced to move downward, the movable rod 5 presses the movable conducting strip 14 downward, the movable conducting strip 14 is curved downward, the moving contact 16 is separated from the static contact 15, and the temperature controller disconnects the circuit, achieving the temperature control purpose of the temperature controller.

[0021] The above embodiment is a description of the utility model, not a limitation of the utility model, and any simple transformation of the utility model belongs to the protection scope of the utility model.

Claims

1. Double disc manual automatic reset snap type thermostat, characterized by: The utility model provides a reset switch, including main body seat (1), upper cap (3), lower cap (4), automatic reset bimetal (31), manual reset bimetal (32), movable rod (5), fixed conductive strip (13), movable conductive strip (14), reset switch, first recess (11) is seted up in main body seat (1) upper end, and upper cap (3) is installed on main body seat (1) upper end, and upper cap (3) covers first recess (11), and automatic reset bimetal (31) and manual reset bimetal (32) are arranged in the inside of upper cap (3), and automatic reset bimetal (31) and manual reset bimetal (32) are all upward protruding at normal temperature, and manual reset bimetal (32) is stacked below automatic reset bimetal (31), and the temperature of manual reset bimetal (32) is higher than the temperature of automatic reset bimetal (31), second recess (12) is seted up in main body seat (1) lower end, and fixed conductive strip (13) and movable conductive strip (14) are fixed on main body seat (1), and fixed conductive strip (13) is fixed with static contact (15), and movable conductive strip (14) is fixed with dynamic contact (16), and dynamic contact (16) upper end is in contact with static contact (15) lower end, movable rod (5) is vertically arranged, and movable rod (5) upper end is in contact with the lower end surface center of manual reset bimetal (32), and movable rod (5) lower end is in contact with movable conductive strip (14), and the inside of main body seat (1) is equipped with an avoiding hole (50) that is communicated with upper recess and lower recess, and movable rod (5) passes through avoiding hole (50), and lower cap (4) is installed on main body seat (1) lower end, and reset button is installed on lower cap (4).

2. The dual-disc type hands-free automatic reset snap-action temperature controller according to claim 1, characterized in that: The fixed conductive strip (13) and the movable conductive strip (14) are both from the outside of the main body seat (1) through the side wall of the second recess (12) and extend into the second recess (12).

3. The dual-disc type hands-free automatic reset snap-action temperature controller according to claim 1, characterized in that: The automatic reset bimetal (31) and the manual reset bimetal (32) are both located between the inner top wall of the upper cap (3) and the top end of the main body seat (1), and the outer contour of the lower projection of the automatic reset bimetal (31) and the manual reset bimetal (32) is located on the upper end surface of the main body seat (1).

4. The dual-disc type hands-free automatic reset snap-action temperature controller according to claim 1, characterized in that: The reset button is composed of a main rod body (41), a limiting disc (42) and a spring (43), the lower cap (4) is provided with a through hole, the main rod body (41) vertically passes through the through hole, the main rod body (41) is located on the same vertical axis as the movable rod (5), the limiting disc (42) is fixed on the main rod body (41), the limiting disc (42) is located in the inside of the lower cap (4), the spring (43) is sleeved on the outside of the main rod body (41), the spring (43) is clamped between the limiting disc (42) and the inner bottom wall of the lower cap (4), and the two ends of the spring (43) are fixed with the limiting disc (42) and the inner bottom wall of the lower cap (4) respectively.