Quick-response overheating protection temperature controller

Abstract

The utility model relates to the technical field of temperature controllers, in particular to a quick-response overheating protection temperature controller which comprises a temperature controller shell, a conducting rod arranged at the top end of the inner side of the temperature controller shell, a liquid storage bin arranged at the bottom end of the inner side of the temperature controller shell, liquid metal arranged on the inner side of the liquid storage bin, and an adjusting plate arranged on the inner side of the liquid storage bin. A connecting rod is arranged in the middle of the top end of the adjusting plate, a pressing plate is arranged at the top end of the connecting rod, a reset spring is arranged on the bottom face of the pressing plate, and a metal sheet is arranged above the pressing plate. When a set high temperature is reached, the metal sheet deforms according to temperature changes, the metal sheet in the temperature controller shell deforms to press the pressing plate downwards, the pressing plate extrudes the reset spring, the connecting rod pushes the adjusting plate to move downwards, the adjusting plate moves downwards, the liquid level of the liquid metal in the liquid storage bin is lowered, and the liquid level of the liquid metal is lower than the bottom end of the conducting rod. The liquid level height is adjusted according to the temperature change, the circuit is quickly disconnected, the high-temperature response speed is accelerated, and the service life of the temperature controller is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of temperature controller technology, and in particular to a fast-response overheat protection temperature controller. Background Technology

[0002] A thermostat is an automated device used to monitor and regulate the temperature of an environment or equipment. Its core function is to collect temperature data in real time through sensors and compare it with the target value set by the user, thereby driving the heating, cooling or ventilation system to make dynamic adjustments to maintain a stable temperature.

[0003] Most current thermostats have relatively simple overheat protection structures, often relying solely on bimetallic strips for overheat protection. This results in a slow response to high temperatures, making it difficult to disconnect the circuit in time and failing to react quickly to sudden temperature changes, thus affecting the lifespan of the thermostat.

[0004] Therefore, to address the issue of slow overheat protection response in existing thermostats, a fast-response overheat protection thermostat can be designed. This thermostat uses liquid metal to connect the circuit, flexibly adjusting the liquid level according to temperature changes. It quickly disconnects the circuit at high temperatures, accelerating the high-temperature response speed, extending the thermostat's service life, and thus effectively enhancing the thermostat's practical value. Utility Model Content

[0005] To overcome the problems that most thermostats have relatively simple overheat protection structures, slow response to high temperatures, difficulty in timely circuit disconnection, and insufficient response to sudden temperature changes, thus affecting the service life of the thermostat, this utility model is proposed.

[0006] The technical solution of this utility model is as follows: a fast-response overheat protection thermostat, comprising a thermostat housing, a connecting end, a conductive rod, a liquid storage tank, liquid metal, an adjusting plate, a connecting rod, a pressure plate, a return spring, and a metal sheet. The connecting end is provided at the top of the thermostat housing, the conductive rod is provided at the top of the inner side of the thermostat housing, the liquid storage tank is provided at the bottom of the inner side of the thermostat housing, liquid metal is provided inside the liquid storage tank, an adjusting plate is provided inside the liquid storage tank, a connecting rod is provided at the middle of the top of the adjusting plate, a pressure plate is provided at the top of the connecting rod, a return spring is provided on the bottom surface of the pressure plate, and a metal sheet is provided above the pressure plate.

[0007] Preferably, by setting the fixed connection end position of the thermostat housing, the external circuit is connected through the connection end, liquid metal is stored through the storage tank, and the initial height of the pressure plate is controlled by the return spring, causing the connecting rod to raise the adjustment plate. The liquid metal level is adjusted by changing the height of the adjustment plate. When the bottom end of the conductive rod is immersed in the liquid metal, the circuit is connected. When the set high temperature is reached, the metal sheet deforms according to the temperature change. The deformation of the metal sheet presses down on the pressure plate, causing the connecting rod to push the adjustment plate down. The downward movement of the adjustment plate lowers the liquid metal level in the storage tank. When the liquid metal level is lower than the bottom end of the conductive rod, the connecting circuit between the conductive rods is disconnected. This achieves the effect of flexibly adjusting the liquid level according to temperature changes, quickly disconnecting the circuit at high temperatures, accelerating the high-temperature response speed, and extending the service life of the thermostat.

[0008] Preferably, two sets of connecting ends are symmetrically arranged, and two sets of conductive rods are symmetrically arranged. The top end of the conductive rod is connected to the connecting end, and the bottom end of the conductive rod is located inside the liquid storage tank.

[0009] Preferably, the liquid metal is positioned above the adjusting plate, the adjusting plate is slidably connected to the liquid storage tank, the connecting rod passes through the middle of the liquid storage tank, and the return spring is positioned on the outside of the connecting rod.

[0010] Preferably, a sealing ring is provided at the top of the liquid storage tank. Multiple sets of sealing rings are provided, with two sets of sealing rings located on the outside of the conductive rod and the other set of sealing rings located on the outside of the connecting rod.

[0011] Preferably, the outer top of the liquid storage tank is provided with ring-shaped support rods evenly distributed, the top of the support rods is provided with a limit plate, the connecting rod is provided through the middle of the limit plate, the connecting rod is slidably connected to the limit plate, and the other end of the return spring is provided at the top of the limit plate.

[0012] Preferably, the metal sheet has rotating shafts at both ends, which are rotatably connected to the top inner side of the thermostat housing.

[0013] Preferably, two sets of mounting plates are symmetrically arranged on the bottom outer side of the thermostat housing, and annularly distributed heat dissipation holes are opened on the outer side of the thermostat housing.

[0014] The beneficial effects of this utility model are:

[0015] When using a thermostat, the connecting terminal is fixed to the thermostat housing, connecting to an external circuit. Liquid metal is stored in the reservoir. A return spring controls the initial height of the pressure plate, raising the adjusting plate via the connecting rod. This raises the liquid metal level, immersing the bottom of the conductive rod in the liquid metal, thus connecting the circuit. When the set high temperature is reached, the metal sheet deforms according to the temperature change, pressing down on the pressure plate. This causes the connecting rod to push the adjusting plate down, lowering the liquid metal level in the reservoir. When the liquid metal level is below the bottom of the conductive rod, the circuit between the conductive rods is disconnected. This addresses the problem that most thermostats have relatively simple overheat protection structures, resulting in slow response to high temperatures and difficulty in timely circuit disconnection, as well as insufficient reaction to sudden temperature changes, thus extending the thermostat's lifespan. Attached Figure Description

[0016] Figure 1 The diagram shown is a three-dimensional structural schematic of the fast-response overheat protection thermostat of this utility model.

[0017] Figure 2 The diagram shown is a three-dimensional cross-sectional view of the fast-response overheat protection thermostat of this utility model.

[0018] Figure 3 The diagram shown is a three-dimensional cross-sectional view of the circuit of the fast-response overheat protection thermostat of this utility model when it is turned on.

[0019] Figure 4 The diagram shown is a three-dimensional structural schematic of the conductive rod and liquid storage tank of the fast-response overheat protection thermostat of this utility model.

[0020] Explanation of reference numerals in the attached drawings: 1. Temperature controller housing; 101. Mounting plate; 102. Heat dissipation hole; 2. Connecting end; 3. Conductive rod; 4. Liquid storage tank; 401. Sealing ring; 402. Support rod; 403. Limiting plate; 5. Liquid metal; 6. Adjusting plate; 7. Connecting rod; 8. Pressure plate; 9. Return spring; 10. Metal sheet; 1001. Rotating shaft. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Please see Figure 1 and Figure 2This utility model provides an embodiment of a fast-response overheat protection thermostat, comprising a thermostat housing 1, a connecting end 2, a conductive rod 3, a liquid storage tank 4, liquid metal 5, an adjusting plate 6, a connecting rod 7, a pressure plate 8, a return spring 9, and a metal sheet 10. The connecting end 2 is symmetrically arranged in two sets at the top of the thermostat housing 1. The conductive rod 3 is symmetrically arranged in two sets at the top of the inner side of the thermostat housing 1, and the top of the conductive rod 3 is connected to the connecting end 2. A liquid storage tank is located at the bottom of the inner side of the thermostat housing 1. The liquid reservoir 4 has a conductive rod 3 at its bottom end located inside the reservoir 4. Liquid metal 5 is located inside the reservoir 4. An adjusting plate 6 is located inside the reservoir 4. Liquid metal 5 is located above the adjusting plate 6. The adjusting plate 6 is slidably connected to the reservoir 4. A connecting rod 7 is located at the top center of the adjusting plate 6. The connecting rod 7 passes through the middle of the reservoir 4. A pressure plate 8 is located at the top of the connecting rod 7. A return spring 9 is located on the bottom surface of the pressure plate 8. The return spring 9 is located on the outside of the connecting rod 7. A metal sheet 10 is located above the pressure plate 8.

[0023] Please see Figure 3 and Figure 4 In this embodiment, a sealing ring 401 is provided at the top of the liquid storage tank 4. Multiple sets of sealing rings 401 are provided, with two sets of sealing rings 401 provided on the outside of the conductive rod 3 and another set of sealing rings 401 provided on the outside of the connecting rod 7. The sealing rings 401 ensure the sealing of the liquid storage tank 4 and prevent the liquid metal 5 from leaking out.

[0024] The outer top of the liquid storage tank 4 is provided with annularly distributed support rods 402. The top of the support rods 402 is provided with a limiting plate 403. The connecting rod 7 is provided through the middle of the limiting plate 403 and is slidably connected to the limiting plate 403. The other end of the return spring 9 is provided at the top of the limiting plate 403. The limiting plate 403 is supported and fixed by the support rods 402, and the limiting plate 403 is used to limit the movement path of the connecting rod 7.

[0025] Please see Figure 1 and Figure 2 In this embodiment, the metal sheet 10 is provided with a rotating shaft 1001 at both ends. The rotating shaft 1001 is rotatably connected to the inner top of the thermostat housing 1. When the metal sheet 10 deforms due to high temperature, the rotating shaft 1001 is rotated to ensure the stability of the position of the metal sheet 10. Two sets of mounting plates 101 are symmetrically provided at the bottom outer side of the thermostat housing 1. The thermostat housing 1 is provided with annularly distributed heat dissipation holes 102 on the outer side. The thermostat housing 1 is flexibly installed in a designated position through the mounting plates 101, and the heat dissipation holes 102 are used to ensure air circulation inside and outside the thermostat housing 1.

[0026] When using the thermostat, the thermostat housing 1 is installed in the designated position by the mounting plate 101, and the circuit is connected by the connecting terminal 2. At normal temperature, the liquid metal 5 in the liquid storage tank 4 is immersed in the bottom end of the conductive rod 3, and the circuit between the conductive rods 3 is connected. At the same time, the sealing ring 401 is used to ensure the sealing of the circuit liquid storage tank 4.

[0027] At high temperatures, the heat dissipation holes 102 ensure air circulation inside and outside the thermostat housing 1. The metal sheet 10 deforms and bends, causing the rotating shaft 1001 to rotate. The deformed metal sheet 10 presses down on the pressure plate 8, causing the connecting rod 7 to move down along the limiting plate 403 on the support rod 402, thereby causing the adjusting plate 6 to move down. The downward movement of the adjusting plate 6 reduces the liquid level of the liquid metal 5 and disconnects the circuit between the conductive rods 3.

[0028] When the temperature returns to normal, the metal sheet 10 returns to its normal flatness, the reset spring 9 rebounds and moves the pressure plate 8 to the highest position, pulls the connecting rod 7 and moves the adjusting plate 6 upward, thereby raising the liquid metal 5 level and reconnecting the circuit.

[0029] Through the above steps, by setting the position of the fixed connection end 2 of the thermostat housing 1, the external circuit is connected through the connection end 2, liquid metal 5 is stored through the liquid storage tank 4, the initial height of the pressure plate 8 is controlled by the return spring 9, so that the connecting rod 7 raises the adjustment plate 6, and the liquid level of the liquid metal 5 is adjusted by changing the placement height of the adjustment plate 6. When the bottom end of the conductive rod 3 is immersed in the liquid metal 5, the circuit is connected. When the set high temperature is reached, the metal sheet 10 deforms according to the temperature change. The deformation of the metal sheet 10 presses down the pressure plate 8, so that the connecting rod 7 pushes the adjustment plate 6 down. The downward movement of the adjustment plate 6 lowers the liquid level of the liquid metal 5 in the liquid storage tank 4. When the liquid level of the liquid metal 5 is lower than the bottom end of the conductive rod 3, the connecting circuit between the conductive rods 3 is disconnected. Thus, the liquid level can be flexibly adjusted according to the temperature change, and the circuit can be quickly disconnected at high temperatures to accelerate the high temperature response speed.

[0030] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A fast-response overheat protection thermostat, comprising a thermostat housing (1), a connecting terminal (2), and a conductive rod (3), characterized in that: It also includes a liquid storage tank (4), liquid metal (5), an adjusting plate (6), a connecting rod (7), a pressure plate (8), a return spring (9), and a metal sheet (10). A connecting end (2) is provided at the top of the thermostat housing (1), a conductive rod (3) is provided at the top of the inner side of the thermostat housing (1), a liquid storage tank (4) is provided at the bottom of the inner side of the thermostat housing (1), liquid metal (5) is provided inside the liquid storage tank (4), an adjusting plate (6) is provided inside the liquid storage tank (4), a connecting rod (7) is provided at the middle of the top of the adjusting plate (6), a pressure plate (8) is provided at the top of the connecting rod (7), a return spring (9) is provided on the bottom surface of the pressure plate (8), and a metal sheet (10) is provided above the pressure plate (8).

2. The fast-response overheat protection thermostat according to claim 1, characterized in that: Two sets of connecting ends (2) are symmetrically arranged, and two sets of conductive rods (3) are symmetrically arranged. The top end of the conductive rod (3) is connected to the connecting end (2), and the bottom end of the conductive rod (3) is located inside the liquid storage tank (4).

3. The fast-response overheat protection thermostat according to claim 1, characterized in that: Liquid metal (5) is positioned above the regulating plate (6), and the regulating plate (6) is slidably connected to the liquid storage tank (4). The connecting rod (7) passes through the middle of the liquid storage tank (4), and the reset spring (9) is positioned on the outside of the connecting rod (7).

4. The fast-response overheat protection thermostat according to claim 1, characterized in that: The top of the liquid storage tank (4) is provided with a sealing ring (401). There are multiple sets of sealing rings (401), two of which are located on the outside of the conductive rod (3) and the other set is located on the outside of the connecting rod (7).

5. The fast-response overheat protection thermostat according to claim 1, characterized in that: The outer top of the liquid storage tank (4) is provided with a ring of equally spaced support rods (402), and the top of the support rods (402) is provided with a limiting plate (403). The connecting rod (7) is provided through the middle of the limiting plate (403), and the connecting rod (7) is slidably connected to the limiting plate (403). The other end of the reset spring (9) is provided at the top of the limiting plate (403).

6. The fast-response overheat protection temperature controller according to claim 1, characterized in that: The metal sheet (10) has a rotating shaft (1001) at both ends, and the rotating shaft (1001) is rotatably connected to the top inner side of the thermostat housing (1).

7. The fast-response overheat protection thermostat according to claim 1, characterized in that: Two sets of mounting plates (101) are symmetrically arranged on the bottom outer side of the thermostat housing (1), and annular heat dissipation holes (102) are opened on the outer side of the thermostat housing (1).

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