Temperature control assembly and temperature control valve

Abstract

The temperature control assembly comprises an installation shell, a piston and a temperature sensing bulb, the installation shell is provided with a containing cavity and an opening communicated with the containing cavity, the temperature sensing bulb is arranged in the containing cavity, and the piston penetrates through the opening so that a part of the piston can stretch into the containing cavity and abut against the temperature sensing bulb. The temperature sensing material in the temperature sensing bulb is the nanometer temperature sensing material, the nanometer temperature sensing material is high in temperature sensitivity and can rapidly respond to temperature changes to expand or contract in a specified temperature interval, the nanometer temperature sensing material is heated evenly, the expansion coefficient is large, and the sensitivity of the temperature sensing bulb can be improved. In the specified temperature interval, the expansion or contraction amplitude of the temperature sensing bulb along with the temperature change is obvious, and the corresponding action can be quickly and effectively executed according to the temperature change. The nano temperature sensing material is stable in performance, can still keep stable performance after undergoing a physical change process of thermal expansion and cold contraction for a long time, and is long in service life.

Description

Technical Field

[0001] This application relates to the field of temperature control technology, and in particular to a temperature control component and a temperature control valve. Background Technology

[0002] Thermostatic valves are widely used in heating systems and other fields to maintain the stability of these systems. Existing thermostatic valves commonly use paraffin wax as an expanding material, and copper powder is uniformly mixed into the paraffin wax to enhance heat conduction. However, due to the significant density difference between paraffin wax and copper powder, after a certain period of use, the copper powder is no longer evenly distributed and separates from the paraffin wax. At this point, without copper powder for heat conduction, the paraffin wax cannot absorb enough heat to reach the specified melting temperature, causing the thermostatic valve to fail and resulting in a short lifespan. Furthermore, existing thermostatic valves also suffer from insufficient sealing performance, leading to leakage of the temperature-sensing material. Summary of the Invention

[0003] The purpose of this application is to provide a temperature control component and a temperature control valve, which have the characteristics of stable performance, long service life and good sealing.

[0004] To address the aforementioned technical problems, the first aspect of this application provides a temperature control component, comprising: The mounting housing has a receiving cavity and an opening communicating with the receiving cavity; A piston connected to the mounting housing, with a portion of the piston extending into the receiving cavity through the opening, and the piston being movable relative to the mounting housing; A temperature sensing element is disposed in the receiving cavity and abuts against the end of the piston located in the receiving cavity. The temperature sensing element has a nano-temperature sensing material. The nano-temperature sensing material can cause the temperature sensing element to expand its volume and push the piston during heat absorption, and can cause the temperature sensing element to shrink its volume during heat release.

[0005] The temperature control component of this application uses a nano-thermal material as the temperature-sensing material in the temperature-sensing bulb. This nano-thermal material has high temperature sensitivity, enabling it to respond quickly to temperature changes within a specified temperature range. Furthermore, the nano-thermal material is heated evenly, preventing uneven heating that could hinder piston movement. The nano-thermal material has a large coefficient of thermal expansion, resulting in high sensitivity of the temperature-sensing bulb. Within the specified temperature range, the expansion or contraction of the temperature-sensing bulb is significant when the temperature changes, allowing for rapid and effective response to temperature variations. The nano-thermal material also exhibits stable performance, maintaining stable performance even after prolonged exposure to thermal expansion and contraction, resulting in a long service life.

[0006] Optionally, the mounting housing includes a heat-conducting housing and a piston cylinder. The heat-conducting housing has the opening and the receiving cavity. The piston cylinder passes through the opening and is partially located in the receiving cavity. The piston cylinder is sealed to the heat-conducting housing and abuts against the temperature sensing bulb. The piston cylinder has a mounting cavity communicating with the receiving cavity. A portion of the piston extends into the mounting cavity, and the piston is movably connected to the piston cylinder.

[0007] The mounting housing includes a heat-conducting housing and a piston cylinder. The piston cylinder passes through an opening in the heat-conducting housing and abuts against a temperature-sensing bulb located inside the heat-conducting housing. The piston extends movably into the mounting cavity of the piston cylinder, and the piston cylinder and the heat-conducting housing are sealed together. This prevents the nano-temperature-sensing material in the temperature-sensing bulb from leaking out from the gap between the piston cylinder and the heat-conducting housing, thus avoiding malfunction of the temperature control component due to leakage of the nano-temperature-sensing material. Since the mounting cavity connects to the receiving cavity, when the temperature-sensing bulb absorbs heat and expands, it can enter the mounting cavity and push the piston, causing the piston to move relative to the piston cylinder.

[0008] Optionally, the piston cylinder is riveted to the heat-conducting housing to achieve an interference fit between the piston cylinder and the heat-conducting housing.

[0009] The piston cylinder and the heat-conducting housing are sealed together by riveting, and the piston cylinder and the heat-conducting housing are interference-fitted. This effectively improves the sealing performance between the piston cylinder and the heat-conducting housing, preventing leakage of the nano-temperature-sensing material. At the same time, the riveting connection and interference fit between the piston cylinder and the heat-conducting housing ensures relative fixation between them, preventing relative movement or displacement between the piston cylinder and the heat-conducting housing, and giving the temperature-sensing component good structural stability.

[0010] Optionally, the inner wall of the heat-conducting housing is provided with a first stop portion, and the piston cylinder is provided with a second stop portion. The second stop portion is located on the side of the first stop portion away from the temperature sensing bulb, and the first stop portion is used to cooperate with the second stop portion to limit the position of the piston cylinder relative to the heat-conducting housing.

[0011] A first stop is provided on the inner wall of the heat-conducting housing, and a second stop is provided on the piston cylinder. The second stop is located on the side of the first stop away from the temperature sensing bulb. When the piston cylinder is riveted to the heat-conducting housing, the first stop and the second stop can limit the position of the piston cylinder relative to the heat-conducting housing, so as to avoid the piston cylinder going too deep into the heat-conducting housing and squeezing and damaging the temperature sensing bulb.

[0012] Optionally, the temperature control component further includes a sealing ring, wherein the first stop portion forms a placement groove, the sealing ring is disposed in the placement groove and located between the first stop portion and the second stop portion, and the sealing ring is used to seal the gap between the first stop portion and the second stop portion.

[0013] The temperature control component also includes a sealing ring, which is disposed in a groove formed by the first stop and located between the first and second stops. The sealing ring can seal the gap between the first and second stops. Thus, when the piston cylinder is riveted to the heat-conducting housing, the first and second stops can compress the sealing ring, causing it to deform and seal the gap between them. This further improves the sealing performance between the piston cylinder and the heat-conducting housing and reduces the risk of leakage of the nano-temperature-sensing material in the temperature-sensing bulb.

[0014] Optionally, a sealing element is also included, which is disposed in the mounting cavity and located between the piston and the temperature sensing bulb. The sealing element is used to isolate the piston and the temperature sensing bulb and to seal the mounting cavity.

[0015] The temperature sensing assembly also includes a seal disposed in the mounting cavity of the piston cylinder. The seal is located between the piston and the temperature sensing bulb to isolate them and simultaneously seal the mounting cavity. This allows the seal to act as a buffer between the piston and the temperature sensing bulb. When the temperature sensing bulb expands, the interaction between the bulb and the piston prevents the bulb from being damaged by piston compression. Furthermore, sealing the mounting cavity of the piston cylinder with the seal prevents the nano-temperature sensing material from leaking from the mounting cavity to the outside of the temperature control assembly.

[0016] Optionally, the outer wall of the heat-conducting housing is provided with a first step portion protruding from the outer wall surface of the heat-conducting housing. The first step portion is used to cooperate with and abut against the external structure to fix the position of the heat-conducting housing.

[0017] The outer wall of the heat-conducting housing has a first step protruding from the outer wall surface of the heat-conducting housing. The first step is used to abut against the outer shell of the temperature control valve to fix the position of the heat-conducting housing. In this way, when the temperature control component is applied to the temperature control valve, the positioning of the temperature control component can be achieved by the cooperation between the first step and the outer shell of the temperature control valve. When the temperature rises and causes the temperature sensing bulb to expand, the piston can push the heat-conducting housing to move, thereby moving the outer shell of the temperature control valve, thus realizing the control function of the temperature control valve.

[0018] Optionally, the nano-thermal material is one or more of carbon-based nanomaterials, copper-based nanomaterials, and iron-based nanomaterials.

[0019] Using one or more of carbon-based nanomaterials, copper-based nanomaterials, and iron-based nanomaterials as nano-temperature sensing materials can, while meeting the requirements for temperature control, enable the temperature sensing bulb to have good thermal conductivity and stable chemical properties, thereby giving the temperature control component a longer service life.

[0020] A second aspect of this application provides a temperature control valve, comprising: The housing, the elastic element, and the temperature control assembly as described in the first aspect, wherein the housing has an internal mounting hole, the temperature control assembly passes through the mounting hole and abuts against one side of the housing forming the mounting hole, one end of the elastic element abuts against the other side of the housing forming the mounting hole, and the side wall of the housing has an adapter for connecting an external pipe.

[0021] The temperature control valve of this application, by setting the temperature control component described in the first aspect, enables the temperature control valve to quickly respond to temperature changes within a specified temperature range and realize the corresponding control function, while having characteristics such as stable performance and long service life.

[0022] Optionally, the outer shell is a hollow structure, and the inner wall of the outer shell is provided with a second step portion protruding from the inner wall surface of the outer shell. The first step portion of the temperature control component abuts against one side of the second step portion. The elastic member surrounds the outer periphery of the temperature control component and abuts against the side of the second step portion opposite to the first step portion. The extension and retraction direction of the elastic member is parallel to the movement direction of the piston of the temperature control component.

[0023] The inner wall of the thermostatic valve housing has a second step protruding from the inner wall surface. The first and second steps of the heat-conducting housing in the thermostatic assembly abut against each other, and the elastic element of the thermostatic valve abuts against the side of the second step away from the first step. Thus, when the temperature sensing bulb expands due to heat, it drives the piston to move away from the elastic element. When the piston's movement is restricted, the piston reacts against the sealing element, causing the heat-conducting housing to compress the elastic element, thereby causing the position of the connector to shift from the originally connected external pipe and connect with other external pipes.

[0024] Optionally, there are multiple elastic elements, which are arranged at intervals around each other and surround the outer periphery of the temperature control component. Each of the multiple elastic elements abuts against the side of the second step portion away from the first step portion, and the extension and retraction directions of the multiple elastic elements are parallel to the movement direction of the piston of the temperature control component.

[0025] Multiple elastic elements can be arranged at intervals around the periphery of the temperature control component. This ensures a more balanced interaction between the housing and the elastic elements when the housing moves, preventing the housing from swaying during movement and ensuring effective communication between the adapter and the external channel.

[0026] The temperature control component provided in this application has at least the following advantages compared to the prior art: The temperature control component of this application uses a nano-thermal material as the temperature-sensing material in the temperature-sensing bulb. This nano-thermal material has high temperature sensitivity, enabling it to respond quickly to temperature changes within a specified temperature range. Furthermore, the nano-thermal material is heated evenly, preventing uneven heating that could hinder piston movement. The nano-thermal material has a large coefficient of thermal expansion, resulting in high sensitivity of the temperature-sensing bulb. Within the specified temperature range, the expansion or contraction of the temperature-sensing bulb is significant when the temperature changes, allowing for rapid and effective response to temperature variations. The nano-thermal material also exhibits stable performance, maintaining stable performance even after prolonged exposure to thermal expansion and contraction, resulting in a long service life. Attached Figure Description

[0027] One or more embodiments are illustrated by way of example with reference numerals in the accompanying drawings. These illustrations do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings are denoted as similar elements. Unless otherwise stated, the figures in the drawings are not to be limited by scale.

[0028] Figure 1 This is a schematic diagram of the temperature control component in the embodiments of this application; Figure 2 This is a schematic diagram of the temperature control valve in the embodiments of this application; Figure 3 yes Figure 2 A side view of the temperature control valve shown. Figure 4 yes Figure 3 The diagram shows a cross-sectional view of the temperature control valve along the A-A' direction.

[0029] Explanation of reference numerals in the attached figures 1. Temperature control component; 11. Mounting housing; 11a. Receiving cavity; 11b. Opening; 111. Heat-conducting housing; 111a. Placement groove; 1111. First stop; 1112. First step; 112. Piston cylinder; 112a. Mounting cavity; 1121. Second stop; 12. Piston; 13. Temperature sensing bulb; 14. Sealing ring; 15. Limiting element; 16. Sealing element; 2. Temperature control valve; 21. Housing; 21a. Mounting hole; 21b. Adapter; 211. Second step; 22. Elastic element. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this application clearer, the various embodiments of this application will be described in detail below with reference to the accompanying drawings. However, those skilled in the art will understand that many technical details have been presented in the various embodiments of this application to facilitate a better understanding of the application. However, the technical solutions claimed in the claims of this application can be implemented even without these technical details and with various variations and modifications based on the following embodiments.

[0031] In the embodiments of this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated devices, elements, or components to having a specific orientation, or to be constructed and operated in a specific orientation.

[0032] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0033] Furthermore, the terms "installation," "setup," "equipped with," "opening," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0034] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, components, or parts (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, components, or parts. Unless otherwise stated, "a plurality of" means two or more.

[0035] Currently, the temperature-sensing material in temperature control components is generally paraffin wax, which exhibits significant thermal expansion and contraction. To further improve the sensitivity of paraffin wax temperature sensors, metal powders with good thermal conductivity, such as copper, are usually mixed into the paraffin wax. This allows the paraffin wax to quickly absorb and release heat, thereby improving the sensitivity of the temperature control valve. However, due to the significant density difference between paraffin wax and metal powder, they will separate after a certain period of use. This leads to a noticeable uneven distribution of heat absorption and release in the paraffin wax, potentially preventing it from melting at the specified temperature and causing the temperature control valve to malfunction.

[0036] To address the aforementioned technical problems, one embodiment of this application provides a temperature control component. This component uses a nano-thermal material in its temperature-sensing bulb. The nano-thermal material is highly sensitive to temperature, rapidly responding to temperature changes within a specified temperature range. Furthermore, the nano-thermal material is heated uniformly, preventing uneven heating that could hinder piston movement. The nano-thermal material has a large coefficient of thermal expansion, resulting in high sensitivity of the temperature-sensing bulb. Within the specified temperature range, the expansion or contraction of the temperature-sensing bulb is significant when the temperature changes, enabling rapid and effective action based on temperature variations. The nano-thermal material exhibits stable performance, maintaining consistent performance even after prolonged exposure to thermal expansion and contraction, and has a long service life.

[0037] The implementation details of the temperature control component and temperature control valve in this embodiment are described below. The following content is only for the convenience of understanding and is not necessary for implementing this solution.

[0038] Please see also Figure 1 , Figure 1 This is a schematic diagram of the temperature control component in the embodiments of this application.

[0039] The temperature control component 1 of the first aspect of this application includes a mounting housing 11, a piston 12, and a temperature sensing element 13. The mounting housing 11 has a receiving cavity 11a and an opening 11b communicating with the receiving cavity 11a. The piston 12 is movably connected to the mounting housing 11, and a portion of the piston 12 extends into the receiving cavity 11a through the opening 11b. The temperature sensing element 13 is disposed in the receiving cavity 11a and abuts against the end of the piston 12 located in the receiving cavity 11a. The temperature sensing element 13 has a nano-thermal-sensing material. During heat absorption, the nano-thermal-sensing material can cause the volume of the temperature sensing element 13 to expand, pushing the piston 12 to move relative to the mounting housing 11. Furthermore, during heat release, the nano-thermal-sensing material can also cause the volume of the temperature sensing element 13 to shrink.

[0040] The temperature control component 1 of this application uses a nano-thermal material in the temperature sensing bulb 13. This nano-thermal material has high temperature sensitivity, enabling it to respond quickly to temperature changes within a specified temperature range. Furthermore, the nano-thermal material is heated evenly, preventing uneven heating that could hinder the proper movement of the piston 12. The nano-thermal material has a large coefficient of thermal expansion, resulting in high sensitivity of the temperature sensing bulb 13. Within the specified temperature range, the expansion or contraction of the temperature sensing bulb 13 is significant when the temperature changes, allowing it to quickly and effectively perform corresponding actions based on temperature variations. The nano-thermal material exhibits stable performance, maintaining stable performance even after long-term exposure to thermal expansion and contraction, resulting in a long service life.

[0041] Optionally, the nano-temperature-sensing material can be one or more of carbon-based nanomaterials, copper-based nanomaterials, and iron-based nanomaterials. These nanomaterials all have good thermal conductivity and stable chemical properties, and can maintain good stability even after prolonged heating and cooling. This allows the temperature-sensing bulb 13 to meet the requirements of temperature control while maintaining good thermal conductivity and stable chemical properties, thus giving the temperature control component 1 a longer service life.

[0042] See you again Figure 1 In some embodiments, the mounting housing 11 includes a heat-conducting housing 111 and a piston cylinder 112. The heat-conducting housing 111 has the aforementioned receiving cavity 11a and the aforementioned opening 11b. The piston cylinder 112 passes through the opening 11b, with a portion of the piston cylinder 112 located in the receiving cavity 11a. The piston cylinder 112 and the heat-conducting housing 111 are sealed together. In this way, the nano-temperature-sensing material in the temperature-sensing bulb 13 will not leak out from the gap between the piston cylinder 112 and the heat-conducting housing 111, thus avoiding the failure of the temperature control component 1 due to leakage of the nano-temperature-sensing material.

[0043] Furthermore, the piston cylinder 112 has a mounting cavity 112a, which communicates with the receiving cavity 11a. A portion of the piston 12 extends into the mounting cavity 112a, and the piston 12 is movably connected to the piston cylinder 112. When the temperature sensing bulb 13 absorbs heat and expands, the temperature sensing bulb 13 can enter the mounting cavity 112a and push the piston 12, causing the piston 12 to move relative to the piston cylinder 112. It is understood that the end of the piston cylinder 112 located in the receiving cavity 11a can abut against the temperature sensing bulb 13.

[0044] For example, the heat-conducting housing 111 may be generally hollow cylindrical, with one bottom surface removed in the axial direction to form the aforementioned opening 11b. The temperature-sensing bulb 13 is disposed in the receiving cavity 11a through the opening 11b, and the piston cylinder 112 passes through the opening 11b such that a portion of the piston cylinder 112 enters the receiving cavity 11a and abuts against the temperature-sensing bulb 13.

[0045] Optionally, the outline of the receiving cavity 11a is not specifically limited; for example, the receiving cavity 11a can be cylindrical, elliptical cylindrical, prismatic, etc. Correspondingly, the outer outline of the piston cylinder 112 matches the outline of the receiving cavity 11a. For example, when the receiving cavity 11a is cylindrical, the piston cylinder 112 is correspondingly set to be cylindrical; when the receiving cavity 11a is elliptical cylindrical, the piston cylinder 112 is elliptical cylindrical. This application does not specifically limit the specific shape and size of the receiving cavity 11a and the piston cylinder 112.

[0046] Preferably, the receiving cavity 11a can be configured as a non-circular cylindrical cavity, and the piston cylinder 112 can be configured as a non-circular hollow cylindrical structure. In this way, when a part of the piston cylinder 112 enters the receiving cavity 11a and connects with the heat-conducting shell 111, the piston cylinder 112 cannot rotate relative to the heat-conducting shell 111. This can prevent the piston cylinder 112 from rotating relative to the heat-conducting shell 111 under the action of external force, and can also prevent the seal between the piston cylinder 112 and the heat-conducting shell 111 from failing due to the movement of the piston cylinder 112.

[0047] Optionally, the heat-conducting housing 111 can be made of copper, brass, or other metals with good thermal conductivity. This ensures that the heat-conducting housing 111 can quickly transfer external heat to the temperature-sensing bulb 13, while also providing appropriate structural strength to prevent deformation and compression of the temperature-sensing bulb 13 under external force. Similarly, the piston cylinder 112 can also be made of a metal material, such as aluminum alloy, which has low weight, high structural strength, and is not prone to corrosion.

[0048] In some embodiments, the piston cylinder 112 is riveted to the heat-conducting housing 111 to achieve an interference fit between them. That is, the heat-conducting housing 111 and the piston cylinder 112 are fixedly connected by riveting. Simultaneously, the interference fit between the heat-conducting housing 111 and the piston cylinder 112 effectively improves the stability and sealing of the connection. During the operation of the temperature control assembly 1, the airflow that could cause the piston cylinder 112 to separate from the heat-conducting housing 111 can be reduced or avoided, maintaining the structural stability of the temperature control assembly 1. Furthermore, the interference fit eliminates gaps between the heat-conducting housing 111 and the piston cylinder 112, thereby preventing leakage of nano-temperature-sensing material from these gaps.

[0049] See you again Figure 1In some embodiments, the inner wall of the heat-conducting housing 111 is provided with a first stop portion 1111, and the piston cylinder 112 is provided with a second stop portion 1121. The second stop portion 1121 is located on the side of the first stop portion 1111 away from the temperature sensing bulb 13. The first stop portion 1111 is used to cooperate with the second stop portion 1121 to limit the position of the piston cylinder 112 relative to the heat-conducting housing 111. With this configuration, when the piston cylinder 112 is riveted to the heat-conducting housing 111, the first stop portion 1111 and the second stop portion 1121 can limit the position of the piston cylinder 112 relative to the heat-conducting housing 111, avoiding the situation where the piston cylinder 112 penetrates too deeply into the heat-conducting housing 111 and crushes and damages the temperature sensing bulb 13.

[0050] In some embodiments, the first stop portion 1111 may extend circumferentially along the heat-conducting housing 111, and the second stop portion 1121 may correspondingly extend circumferentially along the piston cylinder 112. This increases the contact area between the first stop portion 1111 and the second stop portion 1121, allowing for a more even stress distribution and preventing stress concentration when the first stop portion 1111 and the second stop portion 1121 interact.

[0051] Of course, in some embodiments, there can be multiple first stop portions 1111 and multiple second stop portions 1121, with the multiple first stop portions 1111 arranged circumferentially spaced along the heat-conducting shell 111, and the multiple second stop portions 1121 arranged circumferentially spaced along the piston cylinder 112. The first stop portions 1111 and the second stop portions 1121 abut against each other in a one-to-one correspondence.

[0052] Understandably, when there are multiple first stop portions 1111 and second stop portions 1121, the circumferential dimension of any one second stop portion 1121 in the piston cylinder 112 is greater than the gap between any two adjacent first stop portions 1111. This prevents the second stop portion 1121 from passing through the gap between two adjacent first stop portions 1111, thus preventing the piston cylinder 112 from extending excessively into the receiving cavity 11a.

[0053] See you again Figure 1In some embodiments, the temperature control assembly 1 further includes a sealing ring 14. The first stop portion 1111 forms a placement groove 111a, and the sealing ring 14 is disposed in the placement groove 111a and located between the first stop portion 1111 and the second stop portion 1121. The sealing ring 14 is used to seal the gap between the first stop portion 1111 and the second stop portion 1121. In this way, when the piston cylinder 112 is riveted to the heat-conducting housing 111, the first stop portion 1111 and the second stop portion 1121 can compress the sealing ring 14, causing the sealing ring 14 to deform and seal the gap between the first stop portion 1111 and the second stop portion 1121, thereby further improving the sealing performance between the piston cylinder 112 and the heat-conducting housing 111 and reducing the leakage risk of the nano-temperature-sensing material in the temperature-sensing bulb 13.

[0054] Understandably, the sealing ring 14 can be limited and fixed by the inner wall of the placement groove 111a, which can prevent the sealing ring 14 from jumping out of the placement groove 111a during the assembly of the temperature control component 1.

[0055] Optionally, the sealing ring 14 can be a ring-shaped component with a certain degree of elasticity, such as a foam ring, rubber ring, silicone ring, or plastic ring. When the heat-conducting housing 111 and the piston cylinder 112 are riveted together, the first stop portion 1111 on the heat-conducting housing 111 and the second stop portion 1121 on the piston cylinder 112 approach each other and compress the sealing ring 14, causing the sealing ring 14 to deform in accordance with the spatial contour between the first stop portion 1111 and the second stop portion 1121, thereby achieving a sealing effect.

[0056] See you again Figure 1 In some embodiments, the outer wall of the heat-conducting housing 111 is provided with a first step portion 1112 protruding from the outer wall surface of the heat-conducting housing 111. The first step portion 1112 is used to cooperate with the external structure to fix the position of the heat-conducting housing 111. For example, when the temperature control component 1 is applied in a temperature control valve, the positioning of the temperature control component 1 can be achieved by means of the cooperation between the first step portion 1112 and the housing of the temperature control valve. This allows the piston 12 to push the heat-conducting housing 111 to move, thereby moving the housing of the temperature control valve and realizing the control function of the temperature control valve.

[0057] In some embodiments, the piston 12 is a piston rod, with one end located in the mounting cavity 112a and the other end located outside the mounting cavity 112a. The temperature control assembly 1 includes a limiting member 15. The portion of the piston rod located outside the mounting cavity 112a has a limiting groove (not shown) extending along the circumferential direction of the piston rod. A portion of the limiting member 15 is embedded in the limiting groove, and the remaining portion of the limiting member is used to abut against the end of the piston cylinder 112 away from the temperature sensing bulb 13 after the piston rod has moved a certain distance toward the temperature sensing bulb 13. In this way, when the temperature sensing bulb 13 shrinks in size, after the piston rod has moved a certain distance toward the temperature sensing bulb 13, the limiting member 15 can abut against the piston cylinder 112, preventing the piston rod from excessively extending into the mounting cavity 112a and causing the temperature control assembly 1 to malfunction.

[0058] See you again Figure 1 In some embodiments, the temperature control assembly 1 further includes a seal 16 disposed in the mounting cavity 112a. The seal 16 is located between the piston 12 and the temperature sensing bulb 13, and serves to isolate the piston 12 and the temperature sensing bulb 13 and seal the mounting cavity 112a. Typically, the piston 12 is made of metal and has high hardness. When the temperature sensing bulb 13 expands due to heat, the piston 12 and the temperature sensing bulb 13 come into direct contact and interact, which may cause the temperature sensing bulb 13 to rupture and lead to leakage of the nano-temperature sensing material. By providing the seal 16 to isolate the piston rod and the temperature sensing bulb 13, the seal 16 can act as a buffer between the piston 12 and the temperature sensing bulb 13. When the temperature sensing bulb 13 expands, the interaction between the temperature sensing bulb 13 and the piston 12 can prevent the temperature sensing bulb 13 from being damaged by the compression of the piston 12. At the same time, by using the seal 16 to seal the mounting cavity 112a of the piston cylinder 112, it is also possible to prevent the nano-temperature sensing material from leaking from the mounting cavity 112a to the outside of the temperature control component 1.

[0059] Understandably, the outer contour of the seal 16 matches the contour of the mounting cavity 112a. This ensures that the surface of the seal 16 fits tightly against the cavity wall of the mounting cavity 112a, thus ensuring the sealing effect of the seal 16 on the mounting cavity 112a. For example, if the mounting cavity 112a is a cylindrical cavity, the seal 16 can be a cylindrical block or a spherical block; if the mounting cavity 112a is a prismatic cavity, the seal 16 can be a matching prismatic shape.

[0060] Similarly, the sealing element 16 can be a foam block, rubber block, silicone block, plastic block or other structural component with a certain degree of elasticity. It can play a certain buffering role and a sealing effect. When the temperature sensing bulb 13 breaks, it can prevent the nano temperature sensing material from leaking out of the mounting cavity 112a. When the temperature sensing bulb 13 breaks, the nano temperature sensing material can still be confined in the receiving cavity 11a. This not only avoids leakage of the nano temperature sensing material and causes pollution, but also allows the temperature control component 1 to continue to be used normally.

[0061] In some embodiments, to improve the sealing effect of the seal 16, the seal 16 and the piston cylinder 112 are configured to have an interference fit. That is, the size of the seal 16 can be slightly larger than the size of the mounting cavity 112a. In this way, when the seal 16 is assembled into the mounting cavity 112a, the cavity wall of the mounting cavity 112a presses against the seal 16, so that there is no gap between the seal 16 and the cavity wall of the mounting cavity 112a, thereby improving the sealing effect of the seal 16 on the piston cylinder 112.

[0062] Please see also Figures 2 to 4 , Figure 2 This is a schematic diagram of the temperature control valve in the embodiments of this application. Figure 3 yes Figure 2 The diagram shown is a side view of the temperature control valve. Figure 4 yes Figure 3 The diagram shows a cross-sectional view of the temperature control valve along the A-A' direction.

[0063] The second aspect of this application provides a temperature control valve 2, which includes a housing 21, an elastic element 22, and a temperature control component 1 as described in the first aspect. The housing 21 has an internal mounting hole 21a, through which the temperature control component 1 passes and abuts against one side of the housing 21 where the mounting hole 21a is formed. One end of the elastic element 22 abuts against the other side of the housing 21 where the mounting hole 21a is formed. An adapter 21b is provided on the side wall of the housing 21 for connecting to an external pipe (not shown).

[0064] The temperature control valve 2 of this application, by setting the temperature control component 1 described in the first aspect, enables the temperature control valve 2 to quickly respond to temperature changes within a specified temperature range and realize the corresponding control function, while having characteristics such as stable performance and long service life.

[0065] It is understood that the number, shape and size of the adapter 21b are not limited, and its specific setting position can also be set according to the actual situation. This application does not make specific limitations in this regard.

[0066] In some embodiments, the outer shell 21 is a hollow structure, and the inner wall of the outer shell 21 is provided with a second step portion 211 protruding from the inner wall surface of the outer shell 21. The first step portion 1112 of the temperature control component 1 abuts against one side of the second step portion 211. The elastic member 22 is arranged around the outer periphery of the temperature control component 1 and abuts against the side of the second step portion 211 away from the first step portion 1112. The extension and contraction direction of the elastic member 22 is parallel to the movement direction of the piston 12 of the temperature control component 1. In this way, when the temperature sensing bulb 13 expands due to heat, the temperature sensing bulb 13 drives the piston 12 to move away from the elastic member 22. When the movement of the piston 12 is restricted, the piston 12 reacts to the sealing member 16, causing the heat-conducting shell 111 to drive the outer shell 21 to compress the elastic member 22, thereby causing the position of the adapter 21b to be misaligned with the originally connected external pipe and connected to other external pipes. Similarly, the heat-conducting housing 111 and the outer shell 21 can also be fixedly connected by riveting, wherein the first step portion 1112 and the second step portion 211 are interference fit.

[0067] In some embodiments, the elastic element 22 is a spring, and there is only one spring. The spring is sleeved on the outer periphery of the heat-conducting housing 111 and located between the heat-conducting housing 111 and the outer shell 21. One end of the spring abuts against the second step portion 211, and the other end is used to abut against the external structure. In this way, the number of components of the temperature control valve 2 can be reduced, and at the same time, the force on the outer shell 21 is balanced during the movement, thereby improving the stability of the outer shell 21 during the movement.

[0068] In other embodiments, there are multiple elastic elements 22, which are arranged at intervals around the outer periphery of the temperature control assembly 1. Each elastic element 22 abuts against the side of the second step 211 opposite to the first step 1112, and the extension / retraction direction of the multiple elastic elements 22 is parallel to the movement direction of the piston 12 of the temperature control assembly 1. This ensures a more balanced interaction between the housing 21 and the elastic elements 22 when the housing 21 moves, preventing the housing 21 from swaying during movement and ensuring effective communication between the adapter 21b and the external channel.

[0069] To more clearly illustrate the inventive concept of this application, the working principle of the temperature control valve 2 provided in this application in the oil circuit system is described below: The oil circuit system (not shown) includes a pipeline switching module (not shown), which has one oil inlet (not shown) and two oil outlets (not shown). The two oil outlets are designated as the first oil outlet and the second oil outlet. The first oil outlet is the return oil outlet and is connected to the oil tank, while the second oil outlet is connected to the cooling and heat dissipation pipeline. At low temperatures, the temperature sensing bulb 13 in the temperature control valve 2 does not expand, and the piston rod does not move. At this time, the adapter 21b of the temperature control valve 2 is connected to the first oil outlet. When the oil temperature rises, the temperature sensing bulb 13 expands due to heat, thereby pushing the piston rod to move away from the temperature sensing bulb 13. When the end of the piston rod away from the temperature sensing bulb 13 is restricted from moving, the piston rod reacts against the seal 16, thereby causing the heat-conducting housing 111 and the piston cylinder 112 to move in opposite directions. The heat-conducting housing 111 drives the outer shell 21 to move synchronously. In this way, the adapter 21b is offset from the first oil outlet and moved to connect with the second oil outlet, so that the hot oil with a higher temperature can enter the heat dissipation pipe for cooling.

[0070] In this application, five conventional paraffin-coated thermostatic valves and five novel thermostatic valves 2 provided in this application were tested under the same test conditions to compare the service life of different types of thermostatic valves. In the life test chamber, hot water at 60°C was injected for 15 seconds, followed by slow drainage for 100 seconds, causing the thermostatic valves to expand and open due to heat. Conversely, in the same chamber, cold water at 25°C was injected for 15 seconds, followed by slow drainage for 100 seconds, causing the thermostatic valves to contract and close due to cold. One cycle is defined as the thermostatic valve expanding from the start of heating until it closes due to cold. The service life of the thermostatic valve is characterized by the number of cycles (number of openings / closings / number of uses). The tests showed that the five conventional paraffin-coated thermostatic valves completely failed after approximately 13,700 cycles, while the novel thermostatic valves 2 provided in this application all exceeded 60,000 cycles. These test results clearly demonstrate that the novel thermostatic valve 2 provided in this application has a service life exceeding that of conventional thermostatic valves, thus reducing the frequency and cost of maintenance.

[0071] The temperature control components and temperature control valves provided in the embodiments of this application have been described in detail above. Specific examples have been used in this document to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the ideas of this application. There may be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A temperature control component, characterized in that, include: The mounting housing has a receiving cavity and an opening communicating with the receiving cavity; A piston connected to the mounting housing, with a portion of the piston extending into the receiving cavity through the opening, and the piston being movable relative to the mounting housing; A temperature sensing element is disposed in the receiving cavity and abuts against the end of the piston located in the receiving cavity. The temperature sensing element has a nano-temperature sensing material. The nano-temperature sensing material can cause the temperature sensing element to expand its volume and push the piston during heat absorption, and can cause the temperature sensing element to shrink its volume during heat release.

2. The temperature control component according to claim 1, characterized in that, The mounting housing includes a heat-conducting housing and a piston cylinder. The heat-conducting housing has the opening and the receiving cavity. The piston cylinder passes through the opening and is partially located in the receiving cavity. The piston cylinder is sealed to the heat-conducting housing and abuts against the temperature sensing bulb. The piston cylinder has a mounting cavity communicating with the receiving cavity. A portion of the piston extends into the mounting cavity, and the piston is movably connected to the piston cylinder.

3. The temperature control component according to claim 2, characterized in that, The piston cylinder is riveted to the heat-conducting housing to achieve an interference fit between the piston cylinder and the heat-conducting housing.

4. The temperature control component according to claim 2, characterized in that, The inner wall of the heat-conducting housing is provided with a first stop portion, and the piston cylinder is provided with a second stop portion. The second stop portion is located on the side of the first stop portion away from the temperature sensing bulb. The first stop portion is used to cooperate with the second stop portion to limit the position of the piston cylinder relative to the heat-conducting housing.

5. The temperature control component according to claim 4, characterized in that, The temperature control component also includes a sealing ring. The first stop portion forms a placement groove, and the sealing ring is disposed in the placement groove and located between the first stop portion and the second stop portion. The sealing ring is used to seal the gap between the first stop portion and the second stop portion.

6. The temperature control component according to claim 2, characterized in that, The temperature control assembly also includes a seal disposed in the mounting cavity, the seal being located between the piston and the temperature sensing bulb, the seal being used to isolate the piston and the temperature sensing bulb, and to seal the mounting cavity.

7. The temperature control component according to claim 2, characterized in that, The outer wall of the heat-conducting housing is provided with a first step portion protruding from the outer wall surface of the heat-conducting housing. The first step portion is used to cooperate with and abut against the external structure to fix the position of the heat-conducting housing.

8. The temperature control component according to any one of claims 1-7, characterized in that, The nano-thermal material is one or more of carbon-based nanomaterials, copper-based nanomaterials, and iron-based nanomaterials.

9. A temperature control valve, characterized in that, The device includes a housing, an elastic element, and a temperature control component as described in any one of claims 1-8. The housing has an internal mounting hole, the temperature control component passes through the mounting hole and abuts against one side of the housing where the mounting hole is formed, one end of the elastic element abuts against the other side of the housing where the mounting hole is formed, and the housing has a side wall with an adapter for connecting an external pipe.

10. The temperature control valve according to claim 9, characterized in that, The outer shell is a hollow structure, and the inner wall of the outer shell is provided with a second step portion protruding from the inner wall surface of the outer shell. The first step portion of the temperature control component abuts against one side of the second step portion. The elastic member surrounds the outer periphery of the temperature control component and abuts against the side of the second step portion away from the first step portion. The extension and retraction direction of the elastic member is parallel to the movement direction of the piston of the temperature control component.

Images