A biochemical immune reaction plate heating system

Abstract

The invention discloses a biochemical immunology reaction disk heating system. A sealed space is formed by the reaction disk bottom plate, the heating ring, the direct heating disk cover assembly and the reaction disk cover to which the sealing heat-insulating cotton is pasted. The sealed space is dust-proof and prevents air convection from taking away heat, thereby improving heating efficiency. The main heating system directly heats the heating ring, which is solid direct heating and does not require liquid as a medium, thereby embodying the characteristics of environmental protection. The auxiliary heating system recycles the heat dissipated by the heating element, thereby embodying the characteristics of energy saving and environmental protection. The air inside the reaction disk is forced to circulate and convect at a high speed, and the heat transfer efficiency is improved through the high-speed air convection. Control compensation is performed according to the ambient temperature, and a temperature control model is established. The heat transfer is accelerated through a high temperature difference, and the temperature rise time is saved, so that the temperature of the reaction disk can quickly reach the target temperature, and the reliability is high.

Description

Technical Field

[0001] The invention relates to the technical field of medical instruments, and in particular to a biochemical immune reaction disk heating system. Background Art

[0002] During the operation of the biochemical analyzer, the instrument needs to provide a constant temperature environment to achieve constant temperature incubation for the reaction cup used to generate the reaction on the instrument. With the advancement of science and technology and the continuous improvement of the requirements for test results, the requirements for constant temperature environment are getting higher and higher. Not only does it require rapid heating to the target temperature, but it also needs to ensure that the constant temperature is accurate and stable, and even requires the advantages of energy saving, environmental protection, and maintenance-free. The heating methods in the prior art include water bath (oil bath), air bath, solid direct heating, etc., as follows:

[0003] Water bath (oil bath). The heating system first needs to maintain a constant temperature of the liquid, and then use the constant temperature liquid to achieve constant temperature incubation of the reaction container (such as a reaction cup). Regular maintenance is required, and a circulating power device (such as a pump, etc.) must be set in the heating system to rely on the circulating power device to achieve the circulation of the constant temperature liquid. However, in fact, the power consumption of the circulating power device is not converted into useful power required for incubation of the reaction container, so this part of the power consumption cannot be effectively utilized, that is, the heating system is not energy-saving; in addition, water or oil as the working medium of the water bath has the risk of leakage, which is not environmentally friendly;

[0004] Air bath. Similar to a water bath, the difference is that the constant temperature medium is changed from liquid to gas. Although it overcomes the disadvantage of water baths requiring maintenance, due to the small specific heat capacity of air, the heating efficiency and stability are poor, the temperature rises slowly, and it takes a long time to reach the target temperature, wasting the user's time.

[0005] Direct solid heating. This heating system directly heats solids with high thermal conductivity to ensure constant temperature. The constant temperature solid is in direct contact with the wall of the reaction cup. The defects of this heating system are: it is sensitive to periodic interference from the outside world (such as automatic cleaning thermal shock) and has poor temperature stability. In addition, the heating wire lead and temperature sensor lead of the heating system must overcome the rotation to lead out, the structure is complex, and the presence of moving parts affects the reliability of the entire heating system. Summary of the invention

[0006] The purpose of the present invention is to provide a biochemical immunology reaction disk heating system, aiming to solve the technical problems of the heating system in the prior art, such as low energy saving, slow temperature rise, environmental pollution and low reliability.

[0007] To achieve the above-mentioned purpose, the present invention adopts a biochemical immunology reaction plate heating system, comprising a main heating system and an auxiliary heating system, wherein the main heating system comprises a heating coil and a heating device, wherein the heating device is arranged on the heating coil, and the auxiliary heating system comprises a reaction plate bottom plate support assembly, a heating module, a convection fan module, a temperature sensing module, a spindle assembly, a direct heating plate cover assembly and a reaction plate cover, wherein the reaction plate bottom plate support assembly comprises a reaction plate bottom plate and a sealing heat-insulating cotton arranged above the reaction plate bottom plate, and the sealing heat-insulating cotton is interference-fitted with the heating coil to form a sealed space, wherein the heating module, the convection fan module and the temperature sensing module are all fixedly connected to the reaction plate bottom plate and are all arranged in the sealed space, wherein one end of the spindle assembly is rotationally connected to the reaction plate bottom plate, and the other end of the spindle assembly is transmission-connected to the direct heating plate cover assembly, wherein the direct heating plate cover assembly forms a concave-convex fitting interlocking structure with the thermostatic bath on the heating coil, and the reaction cup on the direct heating plate cover assembly moves in the thermostatic bath of the heating coil, and the reaction plate cover is sealingly connected to the heating coil.

[0008] Wherein, the heating coil is provided with outer wall insulation cotton, a drainage structure, and a drainage joint connected to the drainage structure.

[0009] Among them, the heating device includes a heating belt, a heating belt pressure plate, bottom insulation cotton, a temperature switch and a first temperature sensor, the heating belt is fixedly connected to the heating ring and is located on the inner bottom wall of the heating ring, the heating belt pressure plate is fixedly connected to the heating ring, and the heating belt pressure plate is tightly attached to the heating belt, the bottom insulation cotton is fixedly connected to the heating belt pressure plate and is located at the end of the heating belt pressure plate away from the heating belt, the temperature switch and the first temperature sensor are respectively fixedly connected to the heating ring and are located on the side wall of the heating ring.

[0010] Among them, the convection fan module includes a mounting sheet metal and a fan, the mounting sheet metal is fixedly connected to the bottom plate of the reaction disk, the fan is fixedly connected to the mounting sheet metal, the heating module includes a heat sink and a heat dissipation element, the heat sink is fixedly connected to the mounting sheet metal, the heat dissipation element is fixedly connected to the heat sink, and a clamping structure is formed between the heat dissipation element and the heat sink.

[0011] Wherein, the heating module further includes a heating element and a lamp power board, the lamp power board is electrically connected to the heat dissipation element through a wire, and the heating element is electrically connected to the lamp power board.

[0012] Wherein, the temperature sensing module includes a temperature sensing bracket and a second temperature sensor, one end of the temperature sensing bracket is fixedly connected to the bottom plate of the reaction disk, and the other end of the temperature sensing bracket is fixedly connected to the second temperature sensor.

[0013] Among them, the direct heating plate cover assembly includes a direct heating plate cover and a reaction cup pressing plate, the direct heating plate cover is fixedly connected to the reaction cup pressing plate, and the reaction cup mounting structure on the direct heating plate cover forms a fitting structure with the heating ring to increase the heat exchange area.

[0014] Wherein, the direct heating plate cover and the reaction cup pressing plate are an integrated structure.

[0015] The beneficial effects of the present invention are as follows: the heating system is a solid direct heating structure, does not require liquid as a medium, and embodies the characteristics of environmental protection; the system can also effectively recycle and utilize the heat dissipated by the lamp voltage stabilizer to achieve the purpose of energy saving, and can control and compensate according to the ambient temperature, establish a temperature control model, and when the ambient temperature is greatly different from the target temperature, increase the temperature of the auxiliary heating and maintain it for a period of time, and then return to normal temperature. The heat transfer is accelerated by the high temperature difference, saving the temperature rise time, so that the temperature of the reaction disk can quickly reach the target temperature and remain stable with high reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the biochemical immunity reaction disk heating system of the present invention.

[0018] Figure 2 It is a structural schematic diagram of the main heating system of the present invention.

[0019] Figure 3 It is a schematic diagram of the overall cross-sectional structure of the biochemical immunity reaction disk heating system of the present invention.

[0020] Figure 4 It is a schematic diagram of the overall layout structure of the biochemical immunity reaction disk heating system of the present invention.

[0021] Figure 5 This is a schematic diagram of the structure of the auxiliary heating module of the biochemical immunity reaction disk heating system of the present invention.

[0022] Figure 6 It is a schematic diagram of the temperature control method of the biochemical immunity reaction plate heating system of the present invention.

[0023] 100-biochemical immunology reaction plate heating system, 101-main heating system, 102-auxiliary heating system, 103-heating device, 104-convection fan module, 105-temperature sensing module, 1-reaction plate bottom plate support assembly, 2-reaction plate bottom plate, 3-sealing insulation cotton, 4-heating ring support, 5-heating module, 6-spindle assembly, 7-optical assembly, 8-bottom insulation cotton, 9-heating belt pressure plate, 10-heating belt, 11-outer wall insulation cotton, 12-heating ring, 13-direct heating plate cover assembly, 131-direct heating plate cover, 14-reaction cup pressure plate, 15-temperature sensing bracket, 16-reaction plate motor, 17-heating fin, 18-heating element, 19-installation sheet metal, 20-fan, 21-drainage joint, 22-first temperature sensor, 23-temperature switch, 24-second temperature sensor, 25-heating element, 26-lamp power board, 27-reaction plate cover. DETAILED DESCRIPTION

[0024] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0025] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0026] See also Figure 1The present invention provides a biochemical immune reaction plate heating system 100, comprising a main heating system 101 and an auxiliary heating system 102, wherein the main heating system 101 comprises a heating coil 12 and a heating device 103, wherein the heating device 103 is arranged on the heating coil 12, and the auxiliary heating system 102 comprises a reaction plate bottom plate support assembly 1, a heating module 5, a convection fan module 104, a temperature sensing module 105, a spindle assembly 6, a direct heating plate cover assembly 13 and a reaction plate cover 27, wherein the reaction plate bottom plate support assembly 1 comprises a reaction plate bottom plate 2, and a sealing heat-insulating cotton 3 arranged above the reaction plate bottom plate 2, and the sealing heat-insulating cotton 3 is arranged on the top of the reaction plate bottom plate 2. The cotton 3 is interference fit with the heating coil 12 to form a sealed space. The heating module 5, the convection fan module 104 and the temperature sensing module 105 are all fixedly connected to the reaction disk bottom plate 2 and are all arranged in the sealed space. One end of the spindle assembly 6 is rotatably connected to the reaction disk bottom plate 2, and the other end of the spindle assembly 6 is transmission connected to the direct heating disk cover assembly 13. The direct heating disk cover assembly 13 and the constant temperature groove on the heating coil 12 form a concave-convex fitting interlocking structure. The reaction cup on the direct heating disk cover assembly 13 moves in the constant temperature groove of the heating coil 12, and the reaction disk cover 27 is sealed and connected to the heating coil 12.

[0027] In this embodiment, the reaction disk bottom plate 2 is supported by the support frame, and an optical component 7 is also provided on the reaction disk bottom plate 2. The reaction disk bottom plate 2, the heating coil 12, the direct heating disk cover assembly 13 and the reaction disk cover 27 to which the sealing and heat-insulating cotton 3 are attached constitute a sealed space. The heating coil 12 and the sealing and heat-insulating cotton 3 are appropriately interference-fitted to form a seal. The thermostatic bath of the direct heating disk cover assembly 13 and the heating coil 12 is designed as a concave-convex fitting structure to achieve sealing. The reaction disk cover 27 cooperates with the panel to form a seal with the heating coil 12. The direct heating plate cover assembly 13 is mounted on the reaction plate bottom plate 2 through the spindle assembly 6. The reaction plate bottom plate 2 is also provided with a reaction plate motor 16. The spindle assembly 6 includes a rotating bearing and a spindle. The reaction plate motor 16 drives the reaction cup of the direct heating plate cover assembly 13 to move in the constant temperature tank of the heating coil 12. The direct heating plate cover assembly 13 is designed with as large an overlapping area as possible between the heating coil 12 and the reaction plate bottom plate 2 below, so as to achieve rapid heating and sensitive temperature response by increasing the heat transfer area, and facilitate the realization of control. The auxiliary heating system 102 is installed in a sealed space, which can greatly reduce the influence of the ambient temperature, and can also play a role in sealing and dustproofing. In addition, it can prevent air convection from taking away heat, thereby improving heating efficiency. There are multiple auxiliary heating systems 102, and multiple auxiliary heating systems 102 are installed end to end in a sealed space. The heating module 5 is installed on the reaction plate bottom plate 2. There is a large heat transfer area in the sealed space, and the heating system in the space includes a main heating system 101 and an auxiliary heating system 102; the main heating system 101 directly heats the heating coil 12, which is solid direct heating and does not require liquid as a medium, reflecting the characteristics of environmental protection; the core of the auxiliary heating system 102 is to recycle the heat dissipated by the lamp voltage stabilization, and with the help of the heating module 5, the convection fan module 104 and the temperature sensing module 105, in the sealed space formed by the heating coil 12 and the reaction disk bottom plate 2, the internal air is forced to circulate and convect, and control and compensate according to the ambient temperature, and a temperature control model is established. When the ambient temperature is greatly different from the target temperature, the temperature of the auxiliary heating is increased and maintained for a period of time, and then returned to normal temperature. The heat transfer is accelerated by the high temperature difference, and the temperature rise time is saved, so that the temperature of the reaction disk can quickly reach the target temperature, which not only utilizes the energy that originally needs to be dissipated, but also greatly improves the heating speed, reflecting the characteristics of energy saving, environmental protection and high reliability.

[0028] Furthermore, the heating coil 12 is provided with an outer wall heat-insulating cotton 11, a drainage structure, and a drainage joint 21 connected to the drainage structure.

[0029] In this embodiment, the outer wall of the heating coil 12 is insulated by sticking outer wall insulation cotton 11 to prevent external interference and keep the temperature of the heating system stable. The heating coil 12 is provided with a drainage structure, and abnormally overflowed reaction liquid is discharged into the waste liquid discharge system through the drainage joint 21.

[0030] Furthermore, the heating device 103 includes a heating belt 10, a heating belt pressure plate 9, a bottom insulation cotton 8, a temperature switch 23 and a first temperature sensor 22. The heating belt 10 is fixedly connected to the heating coil 12 and is located on the inner bottom wall of the heating coil 12. The heating belt pressure plate 9 is fixedly connected to the heating coil 12, and the heating belt pressure plate 9 is close to the heating belt 10. The bottom insulation cotton 8 is fixedly connected to the heating belt pressure plate 9 and is located at the end of the heating belt pressure plate 9 away from the heating belt 10. The temperature switch 23 and the first temperature sensor 22 are respectively fixedly connected to the heating coil 12 and are located on the side wall of the heating coil 12.

[0031] In this embodiment, the heating belt 10 is installed close to the bottom of the heating coil 12, and is pressed by the heating belt pressing plate 9, and the bottom heat insulation cotton 8 is pasted on the heating belt pressing plate 9. The heating coil 12 is installed on the bottom plate 2 of the reaction disk through the heating coil support 4, and the heating coil support 4 plays a heat insulation role, so that the heat preservation and heating effect in the sealed space is better. The heating belt 10 is installed close to the bottom surface of the heating coil 12, directly heats the heating coil 12, and the temperature is fed back by the first temperature sensor 22 installed on the heating coil 12. The instrument control system controls the temperature of the heating coil 12 through the temperature switch 23 according to the feedback of the first temperature sensor 22. The main heating system 101 is a solid direct heating structure, which reflects the environmental protection characteristics of this system.

[0032] Further, the convection fan module 104 includes a mounting sheet metal 19 and a fan 20, the mounting sheet metal 19 is fixedly connected to the reaction disk bottom plate 2, the fan 20 is fixedly connected to the mounting sheet metal 19, the heating module 5 includes a heat sink 17 and a heat dissipation element 18, the heat sink 17 is fixedly connected to the mounting sheet metal 19, the heat dissipation element 18 is fixedly connected to the heat sink 17, and a clamping structure is formed between the heat dissipation element 18 and the heat sink 17. The heating module 5 also includes a heating element 25 and a lamp power board 26, the lamp power board 26 is electrically connected to the heat dissipation element 18 through a wire, and the heating element 25 is electrically connected to the lamp power board 26. The temperature sensing module 105 includes a temperature sensing bracket 15 and a second temperature sensor 24, one end of the temperature sensing bracket 15 is fixedly connected to the reaction disk bottom plate 2, and the other end of the temperature sensing bracket 15 is fixedly connected to the second temperature sensor 24.

[0033] In this embodiment, the heating element 25 is a light source lamp voltage-stabilizing heat dissipation element 18, which is connected to the lamp power board 26, and is heat recovery. The second temperature sensor 24 and the first temperature sensor 22 are both electrically connected to the temperature switch 23. The start and stop of the second temperature sensor 24 and the first temperature sensor 22 are controlled by the temperature switch 23. The second temperature sensor 24 is suspended on the temperature sensing bracket 15, and the sensing part is suspended in the air, so as to sense and feedback the temperature state of the internal space of the auxiliary heating system 102 in real time, which is convenient for the instrument control system to judge and control.

[0034] The auxiliary heating system 102 connects the heat dissipation element 18 to the lamp power board 26 through a wire, and the heat generated by the voltage stabilization process of the heating element 25 can be dissipated through the heat sink 17 connected to the heat dissipation element 18, and then the heat is diffused to the entire sealed space through the fan 20, and a circulating convection is formed, which plays an auxiliary heating role. At the same time, a set of heating devices 103 can be omitted, which reflects the energy-saving characteristics of the heating system. The heat dissipation element 18 is connected to the lamp power board 26 through a wire, and its main body is installed on the heat sink 17, and the other side is also equipped with a heat sink 17 to form a clamping structure; the heat generated by the lamp voltage stabilization process of the heating element 25 is dissipated to the heat sink 17 through the heat dissipation element 18, and then the heat is dissipated through the heat sink 17; the heat sink 17 is installed on the sheet metal, and a fan 20 is installed along the direction of the heat sink 17, so that the heat of the heat sink 17 can be more smoothly dissipated to the internal enclosed space and form a circulating convection.

[0035] The heating module 5, the convection fan module 104 and the temperature sensing module 105 are integrated into one group, and the heating module 5, the convection fan module 104 and the temperature sensing module 105 are installed on the reaction plate bottom plate 2 in the form of multiple groups, connected end to end to form a cycle. When the fan 20 is running, it is more conducive to high-speed convection of internal air circulation, which greatly improves the heat transfer efficiency, and the direct heating plate cover assembly 13 is heated evenly; the auxiliary heating system 102 has a separate temperature feedback system, and the instrument control system can effectively control the temperature stability.

[0036] The main heating system 101 and the auxiliary heating system 102 both have independent temperature feedback systems, and are independently controlled by the same CPU to heat or shut down according to the temperature control algorithm. When the current temperature is far from the target temperature, the main heating system 101 and the auxiliary heating system 102 start heating at the same time. When the current temperature is very close to the target temperature, the main heating system 101 is turned off to save energy. When the heat generated by the lamp voltage stabilization system is sufficient to maintain the target temperature, other heating wires for auxiliary heating are turned off to further save energy. When the heat generated by the lamp voltage stabilization system exceeds the target temperature, the CPU controls the relay to connect the resistor in series to the circuit to consume heat. The resistor is fixed on the water preheating tank of the instrument. The heat generated by the resistor preheats the water, which also achieves the purpose of energy saving.

[0037] Furthermore, the direct heating plate cover assembly 13 includes a direct heating plate cover 131 and a reaction cup pressing plate 14, the direct heating plate cover 131 is fixedly connected to the reaction cup pressing plate 14, and the reaction cup mounting structure on the direct heating plate cover 131 forms a fitting structure with the heating ring 12 to increase the heat exchange area.

[0038] In this embodiment, the direct heating plate cover assembly 13 includes the direct heating plate cover 131, the reaction cup pressing plate 14, and a plurality of reaction cups. The direct heating plate cover 131 is an integrated structure, and the outer wall of the reaction cup is in direct contact with it for heat transfer. The reaction cup mounting structure on the direct heating plate cover 131 forms a fitting structure with the heating ring 12, which can form a seal while increasing the heat exchange area between the direct heating plate cover 131 and the heating ring 12, thereby accelerating the temperature increase speed.

[0039] In summary: the heating system is a solid direct heating structure, does not require liquid as a medium, and embodies the characteristics of environmental protection; the system can also effectively recycle and utilize the heat dissipated by the lamp voltage stabilizer to achieve the purpose of energy saving, and can control and compensate according to the ambient temperature, establish a temperature control model, and when the ambient temperature is greatly different from the target temperature, increase the temperature of the auxiliary heating and maintain it for a period of time, and then return to normal temperature. The heat transfer is accelerated through the high temperature difference, saving the temperature rise time, so that the temperature of the reaction plate can quickly reach the target temperature and remain stable.

[0040] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A biochemical immunology reaction plate heating system, characterized in that: The invention comprises a main heating system and an auxiliary heating system, wherein the main heating system comprises a heating ring and a heating device, wherein the heating device is arranged on the heating ring, and the auxiliary heating system comprises a reaction disk bottom plate support assembly, a heating module, a convection fan module, a temperature sensing module, a spindle assembly, a direct heating disk cover assembly and a reaction disk cover, wherein the reaction disk bottom plate support assembly comprises a reaction disk bottom plate and a sealing heat-insulating cotton arranged above the reaction disk bottom plate, and the sealing heat-insulating cotton is interference-fitted with the heating ring to form a sealed space, wherein the heating module, the convection fan module and the temperature sensing module are all fixedly connected with the reaction disk bottom plate and are all arranged in the sealed space, wherein one end of the spindle assembly is rotationally connected with the reaction disk bottom plate, and the other end of the spindle assembly is transmission-connected with the direct heating disk cover assembly, wherein the direct heating disk cover assembly and the thermostatic bath on the heating ring form a concave-convex fitting interlocking structure, wherein the reaction cup on the direct heating disk cover assembly moves in the thermostatic bath of the heating ring, and the reaction disk cover is sealingly connected with the heating ring; The bottom plate of the reaction plate is also provided with a reaction plate motor, which is driven by the reaction plate motor to make the reaction cup on the direct heating plate cover assembly move in the constant temperature tank of the heating ring; The convection fan module includes a mounting sheet metal and a fan, the mounting sheet metal is fixedly connected to the bottom plate of the reaction disk, the fan is fixedly connected to the mounting sheet metal, the heating module includes a heat sink and a heat dissipation element, the heat sink is fixedly connected to the mounting sheet metal, the heat dissipation element is fixedly connected to the heat sink, and a clamping structure is formed between the heat dissipation element and the heat sink; The heating module further comprises a heating element and a lamp power board, wherein the lamp power board is electrically connected to the heat dissipation element through a wire, and the heating element is electrically connected to the lamp power board; The auxiliary heating system connects the heat dissipation element to the lamp power supply board through a wire, and dissipates the heat generated in the voltage stabilization process of the heating element through the heat sink connected to the heat dissipation element.

2. The biochemical immunology reaction plate heating system according to claim 1, characterized in that: The heating coil is provided with outer wall heat-insulating cotton, a drainage structure, and a drainage joint connected with the drainage structure.

3. The biochemical immunology reaction plate heating system according to claim 2, characterized in that: The heating device includes a heating belt, a heating belt pressure plate, bottom thermal insulation cotton, a temperature switch and a first temperature sensor. The heating belt is fixedly connected to the heating coil and is located on the inner bottom wall of the heating coil. The heating belt pressure plate is fixedly connected to the heating coil and is in close contact with the heating belt. The bottom thermal insulation cotton is fixedly connected to the heating belt pressure plate and is located at one end of the heating belt pressure plate away from the heating belt. The temperature switch and the first temperature sensor are respectively fixedly connected to the heating coil and are located on the side walls of the heating coil.

4. The biochemical immunology reaction plate heating system according to claim 1, characterized in that: The temperature sensing module comprises a temperature sensing bracket and a second temperature sensor, one end of the temperature sensing bracket is fixedly connected to the bottom plate of the reaction disk, and the other end of the temperature sensing bracket is fixedly connected to the second temperature sensor.

5. The biochemical immunology reaction plate heating system according to any one of claims 1 to 4, characterized in that: The direct heating plate cover assembly comprises a direct heating plate cover and a reaction cup pressing plate, wherein the direct heating plate cover is fixedly connected to the reaction cup pressing plate, and a reaction cup mounting structure on the direct heating plate cover forms a fitting structure with the heating ring to increase the heat exchange area.

6. The biochemical immunology reaction plate heating system according to claim 5, characterized in that: The direct heating plate cover and the reaction cup pressing plate are an integrated structure.

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