Heating device

Abstract

The utility model provides a heating device, and relates to the technical field of photovoltaic cells, and a heating assembly comprises a first heat conduction housing having an accommodation space; the first heat conduction assembly is installed in the containing space and used for containing the sealing connector female head. The second heat conduction assembly is mounted in the accommodating space and is used for accommodating the male head of the sealing joint; the heating assembly wraps the first heat conduction shell and heats the first heat conduction shell; the first heat conduction assembly and the second heat conduction assembly are matched to form a second heat conduction shell, and the shape of the second heat conduction shell is matched with the shape of the containing space of the first heat conduction shell. In the application, no matter whether the rotation angle of the sealing joint male head is matched with the rotation angle of the sealing joint female head or not, the first heat conduction assembly and the second heat conduction assembly can respectively wrap the sealing joint female head and the sealing joint male head, a gap between the first heat conduction shell and the sealing joint can be filled to a large extent, air heat conduction is reduced, and the heat conduction efficiency is improved; the problems of local cold points and poor reaction gas heating effect are relieved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of photovoltaic cells, and particularly relates to a heating device. BACKGROUND

[0002] In some preparation processes of solar cell preparation, reaction gas is needed. In order to accelerate the reaction rate of the reaction gas or prevent the reaction gas from condensing, there is a temperature requirement when the reaction gas is delivered. The pipeline and valve body along the way of delivering the reaction gas need to be heated to maintain the temperature of the reaction gas.

[0003] A VCR (Vacuum Coupling Radiation) sealing joint can be used when connecting the valve body and the gas pipeline. The VCR sealing joint includes a male head and a female head. The male head and the female head are respectively sleeved on the valve body and the gas pipeline and are screwed relative to each other to form a sealed connection. The male head and the female head are both provided with nuts on the outside. The male head and the female head are respectively driven to rotate by rotating the nuts to be screwed relative to each other. The VCR sealing joint and the valve body are wrapped by a heat-conducting shell for heating.

[0004] However, after the male head and the female head are screwed relative to each other, the nut on the outside of the male head and the nut on the outside of the female head are usually difficult to keep at the same angle, that is, the surfaces of the nut on the outside of the male head and the nut on the outside of the female head are not parallel to each other. Therefore, a groove is formed in the inside of the heat-conducting shell and a large space is reserved to avoid interference between the heat-conducting shell and the nuts on the outside of the male head and the female head after the VCR joint is wrapped by the heat-conducting shell. However, this will result in a relatively obvious gap between the VCR joint and the heat-conducting shell. This gap will cause the VCR joint and the heat-conducting shell to conduct heat through air. The heat conduction effect of air is not as good as that of metal. Therefore, cold spots may occur in the local heating area, and the heating effect of the reaction gas is not good.

[0005] It should be noted that the above content is not necessarily prior art, and is not used to limit the patent protection scope of the present application. UTILITY MODEL CONTENT

[0006] Embodiments of the present application provide a heating device to solve or alleviate one or more technical problems in the prior art.

[0007] In a first aspect, the present application provides a heating device for heating gas in a valve body. The valve body includes a diaphragm valve and a gas pipeline. The gas pipeline and the diaphragm valve are connected by a sealing joint. The heating assembly includes:

[0008] A first heat-conducting shell has a containing space.

[0009] A first heat-conducting assembly is installed in the containing space and is used to contain the female head of the sealing joint.

[0010] A second heat-conducting component is installed in the accommodating space and used for accommodating the sealing connector male head;

[0011] A heating component is wrapped around the first heat-conducting shell and used for heating the first heat-conducting shell.

[0012] The first heat-conducting component and the second heat-conducting component cooperate to form a second heat-conducting shell, and the shape of the second heat-conducting shell matches the shape of the accommodating space of the first heat-conducting shell.

[0013] Optionally, the sealing connector female head is provided with a matching hole on the side facing the sealing connector male head, and the sealing connector male head comprises a connecting part for being inserted into the matching hole.

[0014] The gas pipeline is arranged through the sealing connector female head and abuts against the connecting part, the outer wall of the connecting part is screwed with the inner wall of the matching hole, and the sealing connector male head and the sealing connector female head can be rotated along the axis thereof to approach or move away from each other.

[0015] Optionally, the first heat-conducting component comprises a first female head packaging shell and a second female head packaging shell, and the first female head packaging shell and the second female head packaging shell cooperate to wrap the sealing connector female head.

[0016] Optionally, the sealing connector female head comprises a first polygonal nut.

[0017] The first female head packaging shell is in the shape of a semicircular cylinder and is provided with a first female head groove for accommodating the sealing connector female head.

[0018] The second female head packaging shell is in the shape of a semicircular cylinder and is provided with a second female head groove for accommodating part of the sealing connector female head.

[0019] The first female head packaging shell and the second female head packaging shell cooperate to form a cylinder, so that the first female head groove and the second female head groove cooperate to form a first accommodating cavity, and the first accommodating cavity matches the shape of the first polygonal nut.

[0020] Optionally, the sealing connector male head further comprises a second polygonal nut connected to the connecting part, and the second polygonal nut is located at the end of the connecting part away from the first polygonal nut.

[0021] The outer wall of the connecting part is provided with a fixing groove, the second heat-conducting component comprises a second accommodating cavity for accommodating the second polygonal nut, the inner wall of the second accommodating cavity is provided with a convex edge, and the convex edge is clamped in the fixing groove.

[0022] Optionally, the second heat-conducting assembly comprises a first male head packaging shell and a second male head packaging shell, the first male head packaging shell and the second male head packaging shell cooperate to form the second accommodating cavity to accommodate the sealing joint male head.

[0023] Optionally, the heat conductivity of the first heat-conducting assembly and the second heat-conducting assembly is greater than 150 W / (m·K).

[0024] Optionally, the first heat-conducting shell is provided with a first air tightness detection hole, and the first heat-conducting assembly is provided with a second air tightness detection hole.

[0025] In the case that the first heat-conducting assembly is installed in the accommodating space, the first air tightness detection hole and the second air tightness detection hole are in communication.

[0026] Optionally, the heating assembly comprises a heating soft shell, the heating soft shell is used to wrap the first heat-conducting shell in a curled manner, and the inner wall of the heating soft shell is arranged with heating wires.

[0027] Optionally, the heating assembly further comprises a temperature insulation layer, and the temperature insulation layer is wrapped on the outer wall of the heating soft shell.

[0028] The technical scheme can have the following advantages:

[0029] When the male head and the female head of the sealing joint are tightened, the first heat-conducting assembly and the second heat-conducting assembly are further arranged on the sealing joint, and the first heat-conducting assembly and the second heat-conducting assembly are independent and do not interfere with each other. Therefore, whether the rotation angle of the sealing joint male head matches the rotation angle of the sealing joint female head, the first heat-conducting assembly and the second heat-conducting assembly can wrap the sealing joint female head and the sealing joint male head, respectively, and the shapes of the second heat-conducting shell and the accommodating space of the first heat-conducting shell are matched, which can fill the gap between the first heat-conducting shell and the sealing joint to the greatest extent, reduce the air heat conduction area between the two, and further improve the heat conduction efficiency, and alleviate the problems of cold spots in the local heating area and poor heating effect of the reaction gas.

[0030] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features will be readily apparent to those skilled in the art by reference to the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0031] In the drawings, like reference numerals refer to like elements throughout the several views. The drawings are not necessarily to scale, the emphasis instead being placed upon illustrating the principles of the application. It should be understood that the drawings are merely for purposes of illustration and are not to be construed as limiting the scope of the application.

[0032] Figure 1 A structural schematic diagram of a heating device provided by an embodiment of the present application;

[0033] Figure 2 Another structural schematic diagram of a heating device provided by an embodiment of the present application;

[0034] Figure 3 A cross-sectional schematic diagram along direction A-A of the figure; Figure 2

[0035] Figure 4 An exploded schematic diagram of a heating device provided by an embodiment of the present application;

[0036] Figure 5 A disassembled schematic diagram of a heating device provided by an embodiment of the present application;

[0037] Figure 6 A structural schematic diagram of a sealing joint in an embodiment of the present application;

[0038] Figure 7 A structural schematic diagram of a first heat-conducting assembly and a second heat-conducting assembly in a heating device provided by an embodiment of the present application.

[0039] Legend of reference numerals:

[0040] First heat-conducting housing 10; first heat-conducting assembly 11; second heat-conducting assembly 12; heating assembly; first airtightness detection hole 101; first female head packaging housing 111; second female head packaging housing 112; second airtightness detection hole 115; first female head groove 1111; second female head groove 1121; convex edge 124; first male head packaging housing 121; second male head packaging housing 122; diaphragm valve 30; gas pipeline 40; sealing joint female head 21; sealing joint male head 22; fitting hole 213; first polygon nut 211; second polygon nut 221; connecting portion 222; fixing groove 224. DETAILED DESCRIPTION

[0041] Embodiments of the present application are described in detail below with reference to the attached drawing figures, wherein the embodiments of the application are shown by way of examples. In the drawings, the thicknesses of layers, regions, elements, and the relative sizes of the elements can be exaggerated for clarity. Like reference numerals refer to like elements throughout the several views. The embodiments described below are merely examples for the purpose of explanation only and are not to be construed as limiting the scope of the present application.The present application relates to a heating device, and particularly relates to a heating device for a gas pipeline.

[0042] It will be understood that when an element or layer is referred to as being "on" or "connected to" or "coupled to" another element or layer, it can be directly on or connected or coupled to the other element or layer or intervening elements or layers can be present. In contrast, when an element is referred to as being "directly on" or "directly connected to" or "directly coupled to" another element or layer, there are no intervening elements or layers present. It will be understood that, although the terms first, second, third, etc. can be used herein to describe various elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the present application. Similarly, a second element, component, region, layer or section discussed below could be termed a first element, component, region, layer or section without departing from the teachings of the present application.

[0043] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0044] It should be noted that the terms "first", "second", and so on in the description and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0045] In this application, when referring to a numerical interval (i.e., a numerical range), the distribution of the selectable values within the numerical interval is considered continuous unless otherwise specified, and includes both numerical endpoints (i.e., the minimum and maximum values) of the numerical interval, as well as every numerical value between the two numerical endpoints. When a numerical interval refers only to integers within the numerical interval, unless otherwise specified, the two endpoint integers, as well as every integer between the two endpoints, are considered to be directly enumerated. When multiple numerical ranges are provided to describe a characteristic or feature, the numerical ranges can be combined. In other words, unless otherwise specified, a numerical range disclosed herein is understood to include any and all sub-ranges considered therein. A "value" in a numerical interval can be any quantitative value, such as a number, a percentage, a ratio, etc. A "numerical interval" is intended to broadly include quantitative intervals, such as percentage intervals, ratio intervals, value intervals, etc.

[0046] The embodiment of the present application provides a heating device for heating gas in a valve body. Based on this, the VCR joint and the heat-conducting shell are used for air heat conduction, which can cause cold spots in the local heating area, poor heating effect of the reaction gas, and the like. Details are described below.

[0047] In the following, exemplary embodiments according to the present application will be described in more detail with reference to the accompanying drawings. It should be understood that the exemplary embodiments can be implemented in many different forms and should not be construed as being limited to the embodiments set forth herein.

[0048] Please refer to Figures 1 to 7 The embodiment of the present application provides a heating device for heating gas in a valve body. Based on this, the VCR joint and the heat-conducting shell are used for air heat conduction, which can cause cold spots in the local heating area, poor heating effect of the reaction gas, and the like. Details are described below.

[0049] The first heat-conducting shell 10 has a containing space. The first heat-conducting shell 10 is used for absorbing heat, and wraps the internal components such as the valve body and the sealing joint, to provide a continuous heating environment, form a controlled temperature area, and ensure that the heat conduction effect is concentrated by wrapping, reduce heat loss, and improve heating efficiency. The first heat-conducting shell 10 can include two oppositely clamped sub-shells, and the shape of the sub-shells can be a semicircular cylinder.

[0050] The first heat-conducting component 11 is installed in the containing space, and is used for containing the sealing joint female head 21.

[0051] The first heat-conducting component 11 is used to fill the gap between the first heat-conducting shell 10 and the female end of the sealing joint, thereby reducing the gap between the sealing joint and the first heat-conducting shell and reducing the air heat-conducting area therebetween.

[0052] The second heat-conducting component 12 is installed in the accommodating space and is used to accommodate the male end of the sealing joint.

[0053] Correspondingly, the second heat-conducting component 12 is used to fill the gap between the first heat-conducting shell 10 and the male end of the sealing joint, thereby reducing the gap between the sealing joint and the first heat-conducting shell 10 and reducing the air heat-conducting area therebetween.

[0054] The heating component 15 is wrapped around the first heat-conducting shell 10 and is used to heat the first heat-conducting shell 10. The heating component 15 serves as a heat source of the heating device and is used to provide heat energy to keep the entire first heat-conducting shell 10 and its interior (such as the sealing joint, the valve body, the reaction gas, etc.) within a desired temperature range.

[0055] The first heat-conducting component 11 and the second heat-conducting component 12 cooperate to form a second heat-conducting shell, which has a shape matching that of the accommodating space of the first heat-conducting shell 10.

[0056] When the male end and the female end of the sealing joint are tightened, the first heat-conducting component 11 and the second heat-conducting component 12 are further wrapped around the sealing joint. The first heat-conducting component 11 and the second heat-conducting component 12 are independent of each other and do not interfere with each other. Therefore, regardless of whether the rotation angle of the male end of the sealing joint 22 matches that of the female end of the sealing joint 21, the first heat-conducting component 11 and the second heat-conducting component 12 can wrap around the female end of the sealing joint 21 and the male end of the sealing joint, respectively. The second heat-conducting shell formed by the first heat-conducting component 11 and the second heat-conducting component 12 has a shape matching that of the accommodating space of the first heat-conducting shell 10. The first heat-conducting component 11 and the second heat-conducting component 12 can fill the gap between the first heat-conducting shell 10 and the sealing joint to a large extent and reduce the air heat-conducting area therebetween, thereby improving the heat-conducting efficiency and alleviating the problems of cold spots in the local heating area and poor heating effect of the reaction gas.

[0057] In this embodiment, the diaphragm valve 30 is used to open or close the gas passage, thereby controlling the inflow or blockage of the reaction gas or can be used to distribute the gas to different reaction areas.

[0058] The diaphragm valve 30 can include an inlet end and an outlet end. The gas pipeline 40 includes an inlet pipe and an outlet pipe. One end of the inlet pipe is connected to the inlet end of the diaphragm valve 30 through a sealing joint, and one end of the outlet pipe is connected to the outlet end through another sealing joint.

[0059] In an optional embodiment, the sealing joint can be a VCR (Vacuum Coupling Radiation) sealing joint, and specifically, the sealing joint box 21 is provided with a matching hole 213 on the side facing the sealing joint pin 22, and the sealing joint pin 22 includes a connecting part 222 for being inserted into the matching hole 213.

[0060] The gas pipeline 40 is provided through the sealing joint box 21 and abuts against the connecting part 222, and the outer wall of the connecting part 222 is screwed with the inner wall of the matching hole 213, and the sealing joint pin 22 and the sealing joint box 21 can be rotated along the axis thereof to approach or move away from each other.

[0061] In some embodiments, a sealing gasket is further provided between the sealing joint box 21 and the sealing joint pin 22, and the sealing gasket is compressed and deformed from both sides by the sealing joint box 21 and the sealing joint pin 22 when being tightened, so that a leak-free seal is formed between the sealing joint box 21 and the sealing joint pin 22.

[0062] Further, in the embodiment, the first heat-conducting shell 10 includes a first sub-heat-conducting shell and a second sub-heat-conducting shell that are attached to each other, the first sub-heat-conducting shell is provided with a first sub-receiving groove on the side facing the second sub-heat-conducting shell, and the second sub-heat-conducting shell is provided with a second sub-receiving groove on the side facing the first sub-heat-conducting shell, and when the first sub-heat-conducting shell and the second sub-heat-conducting shell are attached and assembled, the first sub-receiving groove and the second sub-receiving groove cooperate to form a receiving space for wrapping the sealing joint.

[0063] The first heat-conducting assembly 11 includes a first box encapsulating shell 111 and a second box encapsulating shell 112, and the first box encapsulating shell 111 and the second box encapsulating shell 112 cooperate to wrap the sealing joint box 21.

[0064] When assembling the heating device, the sealing joint can be tightened first, and then the first box encapsulating shell 111 and the second box encapsulating shell 112 are sleeved on the sealing joint box 21, and then the first sub-heat-conducting shell and the second sub-heat-conducting shell are combined and installed from both sides, and the receiving space formed by the combined first sub-heat-conducting shell and the second sub-heat-conducting shell cooperates to directly limit the first box encapsulating shell 111 and the second box encapsulating shell 112 through the inner wall of the receiving space, so that the first box encapsulating shell 111 and the second box encapsulating shell 112 do not need additional fixing structure, and are convenient to disassemble and assemble.

[0065] Further, referring to Figures 4 to 6 In the embodiment, the sealing joint box 21 includes a first multi-angled nut 211. Specifically, the first multi-angled nut 211 can be a hexagonal nut.

[0066] The first female head encapsulation housing 111 is shaped like a semi-circular cylinder and has a first female head groove 1111 for accommodating the sealing connector female head 21. The second female head encapsulation housing 112 is shaped like a semi-circular cylinder and has a second female head groove 1121 for accommodating part of the sealing connector female head 21.

[0067] The first female head encapsulation housing 111 and the second female head encapsulation housing 112 mate to form a cylinder, so that the first female head groove 1111 and the second female head groove 1121 mate to form a first receiving cavity. The first receiving cavity matches the shape of the first polygonal nut 211. The two encapsulation housings mate to form a cylinder, which is housed within the receiving space of the first heat-conducting housing 10. Regardless of the rotation angle of the first polygonal nut 211, the first heat-conducting housing 10 will not interfere with the first female head encapsulation housing 111 and the second female head encapsulation housing 112. The shape of the first receiving cavity matches the hexagonal nut, so that the multiple edges of the first polygonal nut 211 can be embedded in the first receiving cavity, reducing the air conduction area.

[0068] Furthermore, such as Figure 6 As shown, in this embodiment, the male end of the sealing connector 22 further includes a second polygonal nut 221 connected to the connecting portion 222. The second polygonal nut 221 is located at the end of the connecting portion 222 away from the first polygonal nut 211.

[0069] The outer wall of the connecting part 222 is provided with a fixing groove 224. The second heat-conducting component 12 includes a second receiving cavity for accommodating the second polygonal nut 221. The inner wall of the second receiving cavity is provided with a protruding edge 124, which is engaged in the fixing groove 224.

[0070] When the second heat-conducting component 12 wraps around the male end of the sealing connector 22, the protruding edge 124 is engaged in the fixing groove 224. Through the mechanical locking of the fixing groove 224 and the protruding edge 124, the movement of the male end of the sealing connector 22 can be limited, preventing the male end of the sealing connector 22 from moving in the horizontal direction (away from the direction of the female end of the sealing connector 21).

[0071] The second heat-conducting component 12 includes a first male connector housing 121 and a second male connector housing 122. The first male connector housing 121 and the second male connector housing 122 cooperate to form a second receiving cavity to accommodate the sealing connector male connector 22.

[0072] The first male head encapsulation housing 121 and the second male head encapsulation housing 122 can also be semi-circular cylinders, and both sides that are close to each other are provided with grooves. The first male head encapsulation housing 121 and the second male head encapsulation housing 122 cooperate to form a cylinder, and the interior cooperates to form a second receiving cavity to accommodate the second polygonal nut 221.

[0073] Correspondingly, the second accommodating cavity matches the outer shape of the second polygon nut 221, and no matter the rotation angle of the second polygon nut 221 is, the first heat-conductive shell 10 will not interfere with the first male head package shell 121 and the second male head package shell 122. Moreover, the second heat-conductive assembly 12 and the first heat-conductive assembly 11 respectively wrap different parts of the sealing joint, and the two will not also cause physical interference.

[0074] In an optional embodiment, the thermal conductivity of the first heat-conductive assembly 11 and the second heat-conductive assembly 12 is greater than 150 W / (m·K). The high thermal conductivity of the heat-conductive assembly ensures that heat can be quickly and uniformly conducted to the sealing joint and the gas pipeline 40 and diaphragm valve 30 inside the sealing joint, thereby avoiding local temperature differences and ensuring that the reaction gas can maintain the required temperature during heating to meet the reaction requirements and prevent condensation. Moreover, the high thermal conductivity can quickly compensate for temperature fluctuations in the external environment and maintain the uniformity of the temperature around the sealing joint.

[0075] Specifically, the material of the first heat-conductive assembly 11 and the second heat-conductive assembly 12 can be aluminum, copper, silver, or graphene, etc.

[0076] In an optional embodiment, the first heat-conductive shell 10 is provided with a first air tightness detection hole 101, and the first heat-conductive assembly 11 is provided with a second air tightness detection hole 115.

[0077] In the case where the first heat-conductive assembly 11 is installed in the accommodating space, the first air tightness detection hole 101 and the second air tightness detection hole 115 are in communication.

[0078] The first air tightness detection hole 101 and the second air tightness detection hole 115 are used for cooperating to detect the air tightness of the sealing joint.

[0079] Illustratively, when testing the air tightness of the sealing joint, the gas pipeline 40 of the valve body can be completely closed first, one end of the gas pipeline 40 is connected to a vacuum pump, and a gas detection device is arranged at the vacuum pump. After the valve body is evacuated by the vacuum pump, detection gas is injected into the first air tightness detection hole 101. Since there is a slight gap between the first heat-conductive shell 10 and the first heat-conductive assembly 11, if the sealing joint fails to meet the sealing requirement, the detection gas will pass through the gap between the first heat-conductive shell 10 and the first heat-conductive assembly 11, the second air tightness detection hole 115, and then enter the sealing joint. The sealing joint is in communication with the gas pipeline 40, so the detection gas will eventually enter the vacuum pump and be detected by the gas detection device. After the gas detection device detects the detection gas, the operator is prompted that the sealing performance is not up to standard.

[0080] Correspondingly, if the gas detection device fails to detect the detection gas, it means that the air tightness of the sealing joint meets the standard.

[0081] Specifically, the detection gas can be helium, which has a small atomic radius and a fast diffusion speed, is more likely to penetrate a small leakage channel, and can detect extremely small leaks. Moreover, helium is an inert gas, which is chemically stable and will not react with the heating device, nor will it affect the performance of the detected component or cause corrosion.

[0082] In addition, the content of helium in the atmosphere is extremely low, so even if there is a trace amount of helium leakage, the gas detection equipment can accurately distinguish the signal of helium, greatly improving the sensitivity and accuracy of the test.

[0083] Further, in the embodiment, the heating assembly 15 includes a heating soft shell (not labeled in the figure), which is used to wrap the first heat-conducting shell 10 in a curled manner, and the inner wall of the heating soft shell is arranged with heating wires.

[0084] The heating soft shell is relatively soft as a whole, and can tightly wrap the first heat-conducting shell 10 to achieve uniform heating. The soft shell can be a rectangular sheet structure, and after wrapping the first heat-conducting shell 10, the two ends of the soft shell can be bonded and fixed by magic tape.

[0085] In an embodiment, the inner wall of the heating soft shell is also arranged with a thermocouple, which can measure the temperature of the first heat-conducting shell 10 in real time, and feed back the actual temperature information of the first heat-conducting shell 10 to the control terminal, so as to ensure that the heating device operates within the preset temperature range and prevents overheating or insufficient heating.

[0086] Moreover, the control terminal can cooperate with the thermocouple to accurately adjust the power of the heating wires, reduce the temperature fluctuation of the first heat-conducting shell 10, and maintain the temperature stability of the reaction gas in the valve body.

[0087] Further, in the embodiment, the heating assembly 15 also includes a temperature insulation layer, which is wrapped on the outer wall of the heating soft shell.

[0088] The temperature insulation layer makes the heating soft shell not in direct contact with the external environment, effectively reduces the loss of heat to the external environment, improves the heating efficiency, and ensures that more heat is transferred to the first heat-conducting shell 10 and the gas pipeline 40. The temperature insulation layer can also assist in maintaining the temperature uniformity of the heating area, reducing the influence of external environment temperature fluctuation on the internal heating temperature, and further stabilizing the temperature of the reaction gas.

[0089] It should be noted that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are merely intended to facilitate the description of the application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the application. The orientation terms "inner" and "outer" refer to the inner and outer of the profile of each component itself. For example, if the device in the drawings is inverted, the device described as "above" or "above" other devices or structures will be positioned "below" or "below" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below" orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein are interpreted accordingly.

[0090] It should also be noted that the "one embodiment", "another embodiment", "embodiment" and the like mentioned in the present application refer to the specific features, structures or characteristics described in connection with the embodiment, which are included in at least one embodiment described generally in the present application. The same expression appearing in several places in the specification does not necessarily refer to the same embodiment. Further, when a specific feature, structure or characteristic is described in connection with any embodiment, it is claimed that the implementation of such feature, structure or characteristic in connection with other embodiments also falls within the scope of the present application.

[0091] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0092] It should also be noted that the above is only the preferred embodiment of the present application, and does not limit the patent protection scope of the present application, and any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A heating device for heating gas within a valve body, the valve body comprising a diaphragm valve and a gas pipeline, the gas pipeline and the diaphragm valve being connected via a sealing joint, characterized in that, The heating component includes: The first heat-conducting shell has a receiving space; The first heat-conducting component is installed within the receiving space to accommodate the sealing connector female. The second heat-conducting component is installed within the receiving space to accommodate the male sealing connector. A heating assembly, which encloses the first heat-conducting housing and is used to heat the first heat-conducting housing; The first heat-conducting component and the second heat-conducting component cooperate to form a second heat-conducting shell, and the shape of the second heat-conducting shell matches the shape of the accommodating space of the first heat-conducting shell.

2. The heating device according to claim 1, characterized in that, The sealing connector female head has a mating hole on the side facing the sealing connector male head, and the sealing connector male head includes a connecting portion for inserting into the mating hole; The gas pipeline passes through the female of the sealing connector and abuts against the connecting part. The outer wall of the connecting part is screwed to the inner wall of the mating hole. The male and female of the sealing connector can rotate along their respective axes to move closer to or further away from each other.

3. The heating device according to claim 2, characterized in that, The first heat-conducting component includes a first female head encapsulation housing and a second female head encapsulation housing, which cooperate to encapsulate the sealing connector female head.

4. The heating device according to claim 3, characterized in that, The sealing connector female includes a first polygonal nut; The first female head encapsulation housing is shaped like a semi-circular cylinder and is provided with a first female head groove for accommodating the sealing connector female head; The second female head encapsulation housing is shaped like a semi-circular cylinder and has a second female head groove for accommodating part of the sealing connector female head; The first female head encapsulation shell and the second female head encapsulation shell cooperate to form a cylinder, so that the first female head groove and the second female head groove cooperate to form a first receiving cavity, and the first receiving cavity matches the shape of the first polygonal nut.

5. The heating device according to claim 4, characterized in that, The male of the sealing connector also includes a second polygonal nut connected to the connecting portion, the second polygonal nut being located at the end of the connecting portion away from the first polygonal nut; The outer wall of the connecting part is provided with a fixing groove, and the second heat-conducting component includes a second receiving cavity for accommodating the second polygonal nut. The inner wall of the second receiving cavity is provided with a protruding edge, which is engaged in the fixing groove.

6. The heating device according to claim 5, characterized in that, The second heat-conducting component includes a first male connector housing and a second male connector housing, which cooperate to form the second receiving cavity to accommodate the sealing connector male connector.

7. The heating device according to any one of claims 1 to 6, characterized in that, The thermal conductivity of both the first and second thermal conductive components is greater than 150 W / (m·K).

8. The heating device according to any one of claims 1 to 6, characterized in that, The first heat-conducting housing is provided with a first airtightness detection hole, and the first heat-conducting assembly is provided with a second airtightness detection hole; Wherein, when the first heat-conducting component is installed in the accommodating space, the first airtightness detection hole and the second airtightness detection hole are connected.

9. The heating device according to claim 8, characterized in that, The heating assembly includes a flexible heating shell, which is used to wrap the first heat-conducting shell by rolling it up, and heating wires are arranged on the inner wall of the flexible heating shell.

10. The heating device according to claim 9, characterized in that, The heating assembly also includes a heat insulation layer, which is wrapped around the outer wall of the heating soft shell.

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