CN110261311A - Excimer attemperator - Google Patents

Abstract

The present application relates to the field of in vitro detection, in particular, to an exciter heat preservation device. The thermal insulation device for the stimulus includes a thermal insulation board, a first sealing board and a fixing seat. The first sealing plate is sealed and connected to the first surface of the insulation board, and there is a first accommodating space between the first sealing plate and the first surface, the first accommodating space is used for laying the exciter pipeline, and the liquid inlet of the exciter pipeline Both the outlet end and the liquid outlet end pass through the first accommodating space. An exciter joint is arranged on the fixed base, and the fixed base is connected to the heat preservation board. The liquid outlet end of the exciter pipeline extends into the fixed base and is connected to the exciter joint. The exciter pipeline is insulated by setting the insulation board, so that when the exciter passes through the exciter pipeline, the temperature is kept at a constant value, and then when the exciter is sprayed out, it can be kept at a constant temperature, thereby effectively improving the performance of the instrument. reliability and accuracy. By setting the fixed seat, it is ensured that the exciter is ejected smoothly.

Description

Exciter insulation device

technical field

The present application relates to the field of in vitro detection, in particular, to an exciter heat preservation device.

Background technique

The fully automatic chemiluminescence instrument has high requirements on the temperature of the reagent stimulant. The traditional chemiluminescence instrument itself does not have a heating device. The excitation liquid is guided by a quantitative pump and a pipeline, and then directly reacted after being pumped into the cuvette.

However, when the excitation substance of this traditional chemiluminescence instrument passes through the pipeline, the ambient temperature will affect the temperature of the excitation substance, resulting in a deviation in the temperature of the excitation substance that finally enters the cuvette, which will cause the luminescence value to be unstable. Affect the reliability and accuracy of the instrument.

Contents of the invention

The purpose of the embodiment of the present application is to provide a heat preservation device for the stimulus, which can ensure the smoothness of the flow and export of the stimulus while keeping the temperature of the stimulus constant.

In the first aspect, the application provides a technical solution:

A stimulus insulation device, comprising:

An insulation board, the insulation board has a first surface; a heating element is arranged inside the insulation board; an exciter pipeline is laid on the first surface; and

The fixed seat is provided with an arc-shaped boss inside the cavity of the fixed seat. The liquid outlet of the exciter pipeline passes through the hole on the heat preservation plate, and enters the cavity from the hole on the fixed seat to lay on the arc-shaped boss. An exciter joint is arranged on the fixed seat, and the liquid outlet end of the exciter pipeline is connected to the exciter joint.

Since the stimulant is extremely sensitive to temperature, the stimulant pipeline is insulated by setting an insulation board so that when the stimulant passes through the stimulant pipeline, the temperature is kept at a constant value, and then when the stimulant is sprayed out, it can be kept at a constant temperature. temperature, thus effectively improving the reliability and accuracy of the instrument. By setting the fixing seat, the connection between the exciter pipeline and other parts of the automatic chemiluminescence instrument is convenient, and the exciter is ejected smoothly.

In other embodiments of the present application, the above-mentioned exciter heat preservation device includes a first sealing plate, and the first sealing plate is sealingly connected to the first surface.

By arranging the first sealing member, the exciter pipeline is placed in a sealed and light-shielding environment, thereby ensuring the effectiveness of the exciter.

In other embodiments of the present application, the above-mentioned thermal insulation board has a second surface, the second surface is arranged relative to the first surface, and the second surface is used for laying exciter pipelines.

By laying the exciter pipeline on the second surface, the two exciters can be heated at the same time, the heating effect is improved, and energy is saved.

In other embodiments of the present application, the above-mentioned exciter heat preservation device includes a second sealing plate, and the second sealing plate is sealingly connected to the second surface.

By arranging the second sealing member, the exciter pipeline is placed in a closed and light-shielding environment, thereby ensuring the effectiveness of the exciter.

In other embodiments of the present application, the above-mentioned first surface has a first accommodating groove, and the first accommodating groove is used for laying exciter pipelines;

The second surface has a second accommodating groove, and the second accommodating groove is used for laying exciter pipelines.

By setting the first storage tank and the second storage tank, it is convenient to lay the stimulus pipeline on the first surface and the second surface, limit the position of the stimulus pipeline, facilitate the heating of the stimulus, and ensure the flow of the stimulus fluency.

In other embodiments of the present application, the above-mentioned fixing seat includes a main body and a cover, the cover is connected to the main body, and a seal is provided between the main body and the cover.

By setting the fixing seat, it is convenient to fix the exciter pipeline at one position, so as to ensure smooth flow of the excitant in the exciter pipeline.

In other embodiments of the present application, the arc-shaped boss is provided with an arc-shaped groove, and the exciter pipeline is arranged in the arc-shaped groove.

By providing the arc-shaped groove on the arc-shaped boss, the exciter pipeline can be firmly fixed in one position to ensure smooth flow of the excitant.

In other embodiments of the present application, the above-mentioned stimulus heat preservation device includes a limiting component, which is connected to the heat preservation plate and the fixing seat, and the liquid outlet end of the stimulating substance pipeline passes through the limiting component and extends into the fixing seat.

By arranging the limiting part, the liquid outlet end of the excitant pipeline can be stably fixed to ensure smooth flow of the excitant.

In the second aspect, the application provides a technical solution:

A stimulus insulation device, comprising:

An insulation board, the insulation board has a first surface; a heating element is arranged inside the insulation board;

The first sealing plate, the first sealing plate is sealingly connected to the first surface, and there is a first accommodation space between the first sealing plate and the first surface, the first accommodation space is used for laying the exciter pipeline, and the exciter pipeline Both the liquid inlet end and the liquid outlet end pass through the first accommodating space;

A fixed seat, the fixed seat is provided with a stimulus connector, the fixed seat is connected to the heat preservation board, the liquid inlet end of the stimulus pipeline extends into the fixed seat, and is connected to the stimulus connector; and

The temperature sensor is connected to the heat preservation board for detecting the heating temperature of the heat preservation board.

The exciter heat preservation device heats the exciter pipeline by setting the insulation board, so that the temperature of the excitant is always kept at a constant value when passing through the exciter pipeline, thereby ensuring that the excitant is kept at a constant temperature when it is ejected, thereby effectively Improve the reliability and accuracy of the instrument.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the accompanying drawings used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, so It should be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.

Fig. 1 is a structural schematic diagram of a first viewing angle of an exciter heat preservation device provided in an embodiment of the present application;

Fig. 2 is a schematic diagram of an exploded structure of the stimulus heat preservation device provided in the embodiment of the present application;

Fig. 3 is a structural schematic diagram of a second viewing angle of the stimulus heat preservation device provided by the embodiment of the present application;

Fig. 4 is a schematic diagram of the internal structure of the stimulus heat preservation device provided in the embodiment of the present application.

Icon: 100-exciter insulation device; 110-insulation board; 111-first surface; 112-second surface; 113-first storage tank; 114-installation plate; 120-first sealing plate; 121-second Sealing plate; 122-second accommodating groove; 130-fixing seat; 131-exciter joint; 132-arc boss; 132a-first connecting surface; 132b-second connecting surface; 132c-upper surface; Groove; 133-cover body; 134-bottom wall; 135-first side wall; 136-second side wall; 140-heating element; -needle seat split; 171-second connecting piece; 180-limiting component; 200-stimulator pipeline; 210-liquid inlet port; 220-liquid outlet port.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of the embodiments of the present application, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer The orientation or positional relationship indicated by ” is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the application product is used, or the orientation or positional relationship that is commonly understood by those skilled in the art, It is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.

In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

In the description of the embodiments of this application, it should also be noted that, unless otherwise specified and limited, the terms "setting", "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be fixed The connection can also be a detachable connection or an integral connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application in specific situations.

Example

Please refer to FIGS. 1-4 , this embodiment provides an excitation object heat preservation device 100 , including a heat preservation board 110 , a first sealing board 120 and a fixing seat 130 .

Further, the insulation board 110 has a first surface 111 ; a heating element 140 is disposed inside the insulation board 110 . The thermal insulation board 110 can be heated by providing the heating element 140 . The first sealing plate 120 is sealed and connected to the first surface 111, and there is a first accommodating space between the first sealing plate 120 and the first surface 111, the first accommodating space is used for laying the exciter pipeline 200, and the exciter pipeline 200 Both the liquid inlet end 210 and the liquid outlet end 220 pass through the first accommodating space. A stimulus connector 131 is provided on the fixing base 130 , the fixing base 130 is connected to the insulation board 110 , and the liquid outlet 220 of the trigger pipeline 200 extends into the fixing base 130 and is connected to the trigger connector 131 .

The heat preservation board 110 is used to insulate the excitant pipeline, so that when the excitant passes through the excitant pipeline, the temperature is kept at a constant value, and then when the excitant is ejected, it can be kept at a constant temperature. The exciter heat preservation device 100 can be applied to a chemiluminescence detection instrument, thereby effectively improving the reliability and accuracy of the instrument. By setting the fixing seat 130, the connection between the exciter pipeline and other components of the automatic chemiluminescence instrument is facilitated, and the exciter is ejected smoothly.

In other optional embodiments of the present application, the first sealing plate 120 may not be provided, and a light-tight pipe is used to transport the excitation substance, for example, a light-proof coating or a light-shielding kit is provided on the pipe.

Further, in some embodiments of the present application, a first accommodating groove 113 is provided on the first surface 111 of the insulation board 110 , and the first accommodating groove 113 is used for laying the exciter pipeline 200 .

By setting the first accommodating groove 113 on the first surface 111 of the insulation board 110, the excitant pipeline can be well placed in the first accommodating groove 113, thereby ensuring that the excitant flows smoothly inside the excitant pipeline 200 .

Further, the shape of the above-mentioned first receiving groove 113 adapts to the bending degree of the exciter pipeline 200 .

In the illustrated embodiment, the above-mentioned first accommodating groove 113 has a meandering shape. The first accommodating groove 113 meanders back and forth along the length direction of the first surface 111 of the insulation board 110 to cover the entire first surface 111 .

By setting the first accommodating groove 113 meandering back and forth on the first surface 111 , the stimulus pipe 200 can be arranged on the first surface 111 back and forth.

Further, referring to FIG. 1 , in the illustrated embodiment, the heat preservation board 110 is roughly in the shape of a cuboid. The above-mentioned excitant pipeline 200 can be arranged back and forth on the first surface 111 of the cuboid-shaped insulation board 110 , so that the excitants in the entire excitant pipeline 200 are evenly heated.

In other optional implementations of the present application, the above-mentioned excitant pipeline 200 can be laid in other ways on the first surface 111 of the insulation board 110 , for example, laid back and forth along the width direction of the first surface 111 .

Further, the first sealing plate 120 is sealingly connected to the first surface 111 through connecting members such as bolts or screws.

By arranging the first sealing plate 120 , the thermal insulation effect on the exciter pipeline 200 disposed on the first surface 111 of the thermal insulation plate 110 can be improved. And make the exciter pipeline 200 in a sealed and light-proof environment. Since the exciter needs to be in a light-proof environment to maintain activity, a sealed and light-proof environment can ensure the effectiveness of the exciter.

Further optionally, the shape and size of the above-mentioned first sealing plate 120 are selected to match the shape and size of the first surface 111 of the heat preservation plate 110 , so that the shape and structure of the whole stimulus heat preservation device 100 is more compact.

In other optional implementation manners, the above-mentioned first sealing plate 120 may also be selected to have a different shape and size, for example slightly larger than the first surface 111 , so as to achieve the sealing effect.

Further optionally, the insulation board 110 has a second surface 112, and the second surface 112 is hermetically connected with a second sealing plate 121, and there is a second accommodating space between the second surface 112 and the second sealing plate 121, and the second accommodating The space is used for laying the exciter pipeline 200 .

Further, a second accommodating groove 122 is defined on the second surface 112 . The above-mentioned exciter pipeline 200 is laid in the second containing tank 122 .

Further optionally, the shape of the above-mentioned second accommodating groove 122 can be selected to be set to be the same as that of the first accommodating groove 113, and the setting position of the second accommodating groove 122 can be selected to be opposite to the first accommodating groove 113, so that The heating element 140 conveniently arranged inside the heat preservation board 110 can evenly heat the exciter pipes 200 inside the first storage tank 113 and the second storage tank 122 .

Commonly used stimuli require the use of two stimuli (stimulator A and stimulant B). Therefore, by setting the exciter pipeline 200 on the first surface 111 and the second surface 112 at the same time, the two excitants can be guided from different pipelines, and finally mixed at the excitant joint 131 .

In other optional embodiments of the present application, other number of exciter pipes can be selected according to actual needs, for example, multiple exciter pipes can be arranged on the first surface 111 and the second surface 112 of the insulation board 110 .

Further, a heating element 140 is provided inside the insulation board 110 . By arranging the heating element 140 inside the thermal insulation board 110 , it is convenient to arrange the exciter pipeline 200 , and the exciter pipeline 200 can be heated from the inside to the outside.

It should be noted that the heating temperature of the heating element 140 can be adjusted according to the actual required temperature, for example, the heating temperature of the heating element 140 can be adjusted to be lower than the ambient temperature (ie cooling down) as required.

Further optionally, the above-mentioned heating element 140 includes at least one heating rod. At least part of each heating rod is disposed inside the thermal insulation board 110 . In other words, a part of each heating rod passes through the insulation board 110, so as to facilitate connection with other components, and further facilitate the assembly and connection of the entire stimulus insulation device.

In the illustrated embodiment, the heating elements 140 include four. Every two heating rods are combined and arranged inside the insulation board 110 , and two sets of heating rods are evenly arranged under the first surface 111 , so as to evenly heat the exciter tubes arranged on the first surface 111 .

Further optionally, the above-mentioned first accommodation groove 113 of the first surface 111 has two outlets, which are respectively used to allow the liquid inlet end 210 and the liquid outlet end 220 of the stimulus pipe 200 to pass through the insulation board 110 .

Further, the liquid inlet port 210 is used for connecting the stimulus input part, and the liquid outlet port 220 is connected with the fixing seat 130 .

By connecting the above-mentioned liquid outlet 220 to the fixing seat 130 , it is convenient to fix the entire exciter pipeline 200 and prevent the excitant pipeline 200 from moving and tilting so that the excitant cannot be smoothly output from the excitant pipeline 200 to the excitant joint 131 .

Further, the fixing base 130 includes a main body and a cover 133 , the cover 133 is connected to the main body, and a seal 150 is disposed between the main body and the cover 133 .

By arranging the main body, it is convenient to accommodate the liquid outlet end of the exciter pipeline 200 inside the main body, and by arranging the cover 133 , it is convenient to install the excitant pipeline 200 in the main body of the fixing seat 130 .

Further, the sealing member 150 can effectively ensure the tightness of the connection between the cover body 133 and the main body, so that the liquid outlet end of the stimulus pipeline 200 is in a sealed environment. Since the general excitants need to be protected from light, the sealing member 150 can effectively ensure that the environment inside the fixing seat 130 is in a dark state, thereby ensuring the effectiveness of the excitants inside the exciter pipeline 200 .

Further, the above-mentioned exciter pipeline 200 may be a Teflon tube. Teflon tube is a special tube made by extrusion and sintering of polytetrafluoroethylene material, drying, high temperature sintering, shaping and other processes. The Teflon tube has very excellent corrosion resistance, so it is used to accommodate the stimulus, which can effectively prevent the tube body from being corroded by the stimulus. Since this Teflon tube is relatively hard, it is not easy to bend. When fixing the liquid outlet end 220 of the stimulus pipeline 200 inside the fixed seat 130 , it is necessary to satisfy the natural bending degree of the stimulus pipeline 200 , so as to ensure smooth flow of the stimulus in the stimulus pipeline 200 .

Further, an arc-shaped boss 132 is disposed inside the fixing seat 130 , and the curvature of the arc-shaped boss 132 is adapted to the curvature of the exciter pipeline 200 . The liquid outlet 220 of the stimulus pipeline 200 is laid on the arc-shaped boss 132 and connected to the stimulus connector 131 .

Referring to FIG. 2 , in the illustrated embodiment, the fixing seat 130 is connected to one end of the insulation board 110 . The shape of the fixing seat 130 is substantially a cube. The shape of the thermal insulation board 110 is substantially a rectangular parallelepiped. The volume of the insulation board 110 is much larger than that of the fixing seat 130 . The fixing seat 130 is connected to one end of the insulation board 110 . The arc-shaped boss 132 is disposed in the cavity of the fixing seat 130 . The fixing base 130 has a bottom wall 134 , a first side wall 135 and a second side wall 136 opposite to each other. The cover 133 is disposed on an opposite end of the bottom wall 134 . The first side wall 135 is installed on the end surface of the insulation board 110 . Further, the end surface of the thermal insulation board 110 has a protruding portion 160 protruding from one side, which is convenient for connecting the fixing seat 130 to the protruding portion 160 through the first connecting piece 161 . Further, a gap is provided on the bottom surface of the first side wall 135, and a needle hub split body 170 is arranged in the gap, and the needle hub split body 170 protrudes from the bottom surface of the first side wall 135, and the needle hub split body 170 is provided with The connecting hole is convenient for installing the second connecting piece 171 and connecting the fixing base 130 on the heat preservation board 110 . Through the first connecting piece 161 and the second connecting piece 171 , the fixing base 130 is stably connected to the end of the insulation board 110 .

Further, the end of the heat preservation board 110 is provided with a through hole, and a stopper 180 is arranged in the through hole, the stopper 180 is connected to the heat preservation board 110 and the fixing seat 130, and the liquid outlet 220 of the exciter pipeline 200 passes through the stopper. The bit part 180 enters into the fixing seat 130 .

3 and 4, a through hole is opened on the first side wall 135, and the limiting member 180 is a tapered washer. The end of the insulation board 110 is provided with a mounting plate 114, and a through hole is provided on the mounting plate 114. The flat end of the tapered washer is connected in the through hole on the mounting plate 114, and the tapered end of the tapered washer is connected to the first side. In the through hole on the wall 135. The liquid outlet 220 of the exciter pipeline 200 enters into the cavity of the fixing seat 130 through the tapered washer.

By setting the limiting member 180, the exciter pipeline 200 can be limited at a fixed position, avoiding displacement and shaking of the excitant pipeline 200, thereby ensuring smooth flow of the excitant in the excitant pipeline 200 and smooth detection.

It should be noted that the hole diameter of the above-mentioned tapered gasket and the pipe diameter of the exciter pipeline 200 are matched with each other, and when the exciter pipeline 200 penetrates the conical washer, the two abut against each other, thereby achieving good resistance and positioning.

Further, referring to FIG. 2, the first connection surface 132a of the arc-shaped boss 132 is connected to the first side wall 135, the second connection surface 132b of the arc-shaped boss 132 is connected to the bottom wall 134, and the upper surface of the arc-shaped boss 132 The surface 132c is a curved surface, completely extending from the first side wall 135 to the bottom wall 134 . The stimulus connector 131 is disposed on the first side wall 135 . Specifically, the first side wall 135 has a through hole, and the exciter connector 131 is installed in the through hole.

Further, after passing through the limiting part 180, the exciter pipeline 200 is laid on the upper surface 132c of the arc-shaped boss 132, the upper surface 132c is provided with a groove 132d, and the extending direction of the groove 132d is the same as the bending direction of the upper surface 132c . The degree of curvature of the upper surface 132c is adapted to the degree of curvature of the stimulator conduit 200 . Therefore, the exciter pipeline 200 is laid in the groove 132d to ensure smooth flow of the excitant in the excitant pipeline 200 . The outlet end of the stimulus pipe 200 is connected to the stimulus connector 131 after extending along the slot 132d.

It should be noted that part of the above-mentioned exciter connector 131 is made of a special material, the king of plastics—polyether ether ketone, so as to avoid corrosion crystallization and effectively ensure the accuracy and consistency of measurement results.

Some embodiments of the present application also provide a stimulus heat preservation device. The specific structure of the stimulus heat preservation device is the same as the basic structure of the stimulus heat preservation device provided in the foregoing embodiments, except that the stimulus heat preservation device is also provided with a temperature sensor. The temperature sensor is connected to the heat preservation board and is used for detecting the heating temperature of the heat preservation board.

By setting the temperature sensor, the temperature of the heating device can be accurately detected, so that the temperature of the exciter can be kept at a constant temperature.

The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, there may be various modifications and changes in the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application shall be included within the protection scope of this application.

Claims (10)

1. A stimulus insulation device, characterized in that, comprising: A thermal insulation board, the thermal insulation board has a first surface; a heating element is arranged inside the thermal insulation board; an exciter pipeline is laid on the first surface; and A fixed seat, the interior of the cavity of the fixed seat is provided with an arc-shaped boss, and the liquid outlet end of the exciter pipeline passes through the hole on the heat preservation plate, and enters the The cavity is laid on the arc-shaped boss, and an exciter joint is arranged on the fixed seat, and the liquid outlet end of the exciter pipeline is connected to the exciter joint. 2. The stimulus heat preservation device according to claim 1, characterized in that, The stimulus heat preservation device includes a first sealing plate, and the first sealing plate is sealingly connected to the first surface. 3. The stimulus heat preservation device according to claim 1, characterized in that, The insulation board has a second surface, the second surface is arranged relative to the first surface, and the exciter pipeline is laid on the second surface. 4. The stimulus heat preservation device according to claim 3, characterized in that, The stimulus heat preservation device includes a second sealing plate, and the second sealing plate is sealingly connected to the second surface. 5. The stimulus heat preservation device according to claim 1, characterized in that, The first surface has a first accommodating groove, and the exciter pipeline is laid in the first accommodating groove. 6. The stimulus heat preservation device according to claim 3, characterized in that, The second surface has a second accommodating groove, and the exciter pipeline is laid in the second accommodating groove. 7. The stimulus heat preservation device according to claim 1, characterized in that, The fixing base includes a main body and a cover, the cover is connected to the main body, and a seal is provided between the main body and the cover. 8. The stimulus heat preservation device according to claim 7, characterized in that, The arc-shaped boss is provided with an arc-shaped groove, and the exciter pipeline is arranged in the arc-shaped groove. 9. The stimulus heat preservation device according to any one of claims 1-8, characterized in that, The heat preservation device for the stimulus includes a limiting part, the limiting part is connected to the heat preservation board and the fixing seat, and the liquid outlet end of the stimulating material pipeline passes through the limiting part and extends to the fixed seat. seat. 10. An exciter insulation device, characterized in that, comprising: A thermal insulation board, the thermal insulation board has a first surface; a heating element is arranged inside the thermal insulation board; A first sealing plate, the first sealing plate is sealingly connected to the first surface, and there is a first accommodating space between the first sealing plate and the first surface, and the first accommodating space is used for When laying the exciter pipeline, the liquid inlet and outlet ends of the exciter pipeline pass through the first accommodating space; A fixed seat, the fixed seat is provided with a stimulus connector, the fixed seat is connected to the insulation board, the liquid inlet end of the stimulus pipeline extends into the fixed seat, and is connected to the stimulus connector ;as well as A temperature sensor, the temperature sensor is connected to the heat preservation board and is used to detect the heating temperature of the heat preservation board.