Temperature control device for mass spectrometer

By using a temperature control device for mass spectrometers, and through the coordinated operation of components such as a medium cooler, heat exchanger, and air supply unit, the problem of performance instability of portable mass spectrometers under different ambient temperatures has been solved. Stable temperature control and efficient cooling have been achieved, improving measurement accuracy and lifespan, and expanding the application range.

CN224204099UActive Publication Date: 2026-05-05TSINGHUA UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TSINGHUA UNIVERSITY
Filing Date
2025-06-05
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

Portable mass spectrometers are unstable under different ambient temperatures, which affects the accuracy of measurement results. Existing temperature control facilities have limitations in field applications.

Method used

A temperature control device for a mass spectrometer was designed, comprising a medium cooler, a heat exchanger, an air supply component, and a pump body. Through their coordinated operation, the device precisely controls the operating temperature of the mass spectrometer. The medium cooler provides stable cooling, the heat exchanger efficiently transfers cooling, the air supply component blows cooling air evenly onto the mass spectrometer, and the pump body ensures the circulation of the cooling medium.

Benefits of technology

It improves the stability of the mass spectrometer and the accuracy of measurement results, reduces the impact of temperature fluctuations on electronic components and mechanical parts, extends the service life, expands the application range, adapts to various ambient temperatures, and has energy-saving effects.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of mass spectrometer temperature control, and provides a temperature control device for a mass spectrometer. The temperature control device for the mass spectrometer comprises a medium cooler; the case is internally provided with a containing space, the containing space is used for installing a mass spectrometer, the containing space is further internally provided with a heat exchanger and an air supply part, the heat exchanger is in fluid communication with the medium cooler through a pipeline, and the air supply part is used for blowing the cooling capacity of the heat exchanger to the mass spectrometer; and the pump body is arranged on the pipeline. According to the temperature control device for the mass spectrometer, through cooperative work of the medium cooler, the heat exchanger, the air supply piece and the pump body, the working temperature of the mass spectrometer can be accurately controlled; the mass spectrometer can stably operate at a proper temperature, the influence of temperature fluctuation on the performance of the mass spectrometer is reduced, and the accuracy of a measurement result is improved; the problems of performance reduction of electronic elements, thermal deformation of mechanical parts and the like caused by over-high temperature are avoided, and the service life of the mass spectrometer is prolonged.
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Description

Technical Field

[0001] This utility model relates to the field of mass spectrometer temperature control, and provides a temperature control device for mass spectrometers. Background Technology

[0002] With the increasing demand for environmental pollutant monitoring, portable mass spectrometers have been widely used in various scenarios such as fixed source site monitoring and high-altitude monitoring due to their advantages of being easy to carry and having a simple structure.

[0003] However, these mass spectrometers face the problem of environmental temperature variations in practical applications, which directly affects the stability of their performance and the accuracy of measurement results.

[0004] Currently, the common practice to control environmental conditions such as temperature is to place the mass spectrometer in a fixed station building and control the temperature through air conditioning. However, this method faces significant limitations in the actual field use of portable mass spectrometers, as many sites may lack adequate temperature control facilities. Utility Model Content

[0005] This utility model provides a temperature control device for a mass spectrometer, which solves the defects of weak universality and low precision in the temperature control of mass spectrometers in related technologies.

[0006] This utility model provides a temperature control device for a mass spectrometer, comprising:

[0007] Medium cooler;

[0008] The chassis has a housing space for installing a mass spectrometer. The housing space also has a heat exchanger and an air supply unit. The heat exchanger is in fluid communication with the medium cooler through a pipeline. The air supply unit is used to blow the cooling energy of the heat exchanger to the mass spectrometer.

[0009] Pump body, installed in the pipeline.

[0010] According to one embodiment of the present invention, it further includes a frame, and the chassis is disposed on the frame.

[0011] According to one embodiment of the present invention, the chassis includes:

[0012] A chassis body, which is mounted on the rack and has an opening at the top;

[0013] A chassis cover is provided over the opening. When the chassis cover is provided over the chassis body, the chassis cover and the chassis body enclose the accommodating space.

[0014] According to one embodiment of the present invention, at least one of the chassis body and the chassis cover is provided with a thermal insulation coating.

[0015] According to one embodiment of the present invention, a temperature measuring element is provided inside the chassis body.

[0016] According to one embodiment of the present invention, the pipeline includes:

[0017] An inlet pipe is connected to the outlet of the medium cooler and the inlet of the heat exchanger, and the pump body is disposed in the inlet pipe;

[0018] The liquid outlet pipe is connected to the inlet of the medium cooler and the outlet of the heat exchanger.

[0019] According to one embodiment of the present invention, the outer surface of the liquid inlet pipe is covered with a heat insulation layer.

[0020] According to one embodiment of the present invention, the heat exchanger includes:

[0021] A heat exchange tube, wherein the heat exchange tube is in fluid communication with the liquid inlet pipe and the liquid outlet pipe;

[0022] Heat exchange fins are connected to the outer wall of the heat exchange tube.

[0023] According to one embodiment of the present invention, the air outlet direction of the air supply component corresponds to that of the heat exchange fins.

[0024] The temperature control device for a mass spectrometer provided in this embodiment of the invention can precisely control the operating temperature of the mass spectrometer through the coordinated operation of a medium cooler, a heat exchanger, an air supply component, and a pump. The medium cooler provides stable cooling, the heat exchanger efficiently transfers cooling to the air, the air supply component evenly blows cool air onto the mass spectrometer, and the pump ensures the circulation of the cooling medium. This allows the mass spectrometer to operate stably at a suitable temperature, reducing the impact of temperature fluctuations on its performance and improving the accuracy of measurement results. A stable operating temperature helps improve the stability and reliability of the mass spectrometer, avoiding problems such as performance degradation of electronic components and thermal deformation of mechanical parts caused by excessively high temperatures, thus extending the service life of the mass spectrometer. Simultaneously, the temperature control device reduces performance differences of the mass spectrometer under different ambient temperatures, enabling it to maintain good operating conditions in various field application scenarios. This temperature control device for a mass spectrometer has strong environmental adaptability and can provide stable temperature control for the mass spectrometer under different ambient temperatures. Whether in high-temperature outdoor environments or low-temperature indoor environments, the mass spectrometer can operate normally, expanding its application range and meeting the needs of portable mass spectrometers in various complex field environments. Furthermore, the rational structural design and component selection enable the temperature control device of this mass spectrometer to achieve efficient cooling while also exhibiting good energy-saving performance. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of the temperature control device for a mass spectrometer provided by this utility model.

[0027] Figure 2 This is a schematic curve of time versus temperature for the temperature control device for a mass spectrometer provided by this utility model.

[0028] Figure label:

[0029] 100. Medium cooler; 102. Chassis; 104. Heat exchanger; 106. Air supply component; 108. Piping; 110. Pump body; 112. Frame; 114. Liquid inlet pipe; 116. Liquid outlet pipe. Detailed Implementation

[0030] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0031] like Figures 1 to 2 As shown, this utility model embodiment provides a temperature control device for a mass spectrometer, comprising:

[0032] Medium cooler 100;

[0033] The chassis 102 has a housing space for installing a mass spectrometer. The housing space also has a heat exchanger 104 and an air supply component 106. The heat exchanger 104 is fluidly connected to the medium cooler 100 through a pipe 108. The air supply component 106 is used to blow the cooling energy of the heat exchanger 104 to the mass spectrometer.

[0034] Pump body 110 is installed in pipeline 108.

[0035] According to the temperature control device for mass spectrometers provided in this embodiment, the working temperature of the mass spectrometer can be precisely controlled through the coordinated operation of the medium cooler 100, heat exchanger 104, air supply component 106, and pump body 110. The medium cooler 100 provides stable cooling, the heat exchanger 104 efficiently transfers cooling to the air, the air supply component 106 evenly blows cool air onto the mass spectrometer, and the pump body 110 ensures the circulation of the cooling medium, enabling the mass spectrometer to operate stably at a suitable temperature, reducing the impact of temperature fluctuations on the performance of the mass spectrometer, and improving the accuracy of measurement results. A stable operating temperature helps improve the stability and reliability of the mass spectrometer, avoiding problems such as performance degradation of electronic components and thermal deformation of mechanical parts caused by excessive temperature, thus extending the service life of the mass spectrometer. At the same time, the presence of the temperature control device also reduces the performance differences of the mass spectrometer under different ambient temperatures, allowing it to maintain good working condition in various field application scenarios. This temperature control device for mass spectrometers has strong environmental adaptability and can provide stable temperature control for the mass spectrometer under different ambient temperatures. Whether in high-temperature outdoor environments or low-temperature indoor environments, the mass spectrometer can operate normally, expanding its application range and meeting the needs of portable mass spectrometers in various complex field environments. Furthermore, the rational structural design and component selection enable the modified mass spectrometer's temperature control device to achieve efficient cooling while also exhibiting good energy-saving performance.

[0036] Please continue reading Figure 1 and Figure 2In the temperature control device for a mass spectrometer according to this embodiment of the invention, the medium cooler 100 provides cooling for the device and typically employs a compression refrigeration cycle system or thermoelectric refrigeration technology. Taking a compression refrigeration cycle system as an example, it mainly consists of a compressor, a condenser, a throttling device, and an evaporator. During operation, the compressor compresses the refrigerant into a high-temperature, high-pressure gas, which dissipates heat through the condenser and becomes a high-pressure liquid. The liquid then passes through the throttling device to reduce its pressure and temperature before entering the evaporator to absorb heat, thereby lowering the temperature of the cooling medium (such as an aqueous solution of ethylene glycol). The cooled medium is then transported to the heat exchanger 104 through pipeline 108 to provide cooling for the mass spectrometer.

[0037] The chassis 102, serving as the load-bearing structure for the internal components, is typically made of metal (such as aluminum alloy or stainless steel) to ensure sufficient strength. The chassis 102 has a dedicated internal space, the size and layout of which are customized according to the external dimensions and internal structure of the mass spectrometer. A heat exchanger 104 and an air supply component 106 are housed within this space. The installation positions of the heat exchanger 104 and the air supply component 106 can be adjusted according to the location of the mass spectrometer to ensure efficient heat transfer between them. Simultaneously, the chassis 102 is also designed with a tight seal to reduce the intrusion of external heat and maintain a stable internal temperature.

[0038] Heat exchanger 104 is used for heat transfer. It is connected to medium cooler 100 via inlet pipe 114 and outlet pipe 116, forming a circulation loop for the cooling medium. Heat exchanger 104 typically employs a finned tube structure, consisting of heat exchange tubes and heat exchange fins. The heat exchange tubes are made of a metal material with excellent thermal conductivity (such as copper) to ensure rapid heat transfer to the tube wall as the cooling medium flows within it. The heat exchange fins are installed on the outer wall of the heat exchange tubes, increasing the heat dissipation area to improve heat exchange efficiency. The cooling medium flows within the heat exchange tubes, exchanging heat with the surrounding air and lowering its temperature.

[0039] The air supply component 106 is typically a fan or blower, its function being to blow the cold air generated by the heat exchanger 104 towards the mass spectrometer. The air supply component 106 is installed inside the casing 102, and its airflow direction corresponds to the heat exchange fins of the heat exchanger 104 to ensure that the blown air can fully pass over the heat exchange fins and carry away the cooling capacity. The airflow rate and velocity of the air supply component 106 are selected according to the heat dissipation requirements of the mass spectrometer. Through a reasonable airflow design, the cold air can evenly cover the heat-generating components of the mass spectrometer, achieving comprehensive and efficient cooling.

[0040] Pump body 110 is installed in the pipeline 108 connecting the medium cooler 100 and the heat exchanger 104, typically located on the inlet pipe 114. The main function of pump body 110 is to provide power for the circulation of the cooling medium, ensuring its continuous flow within pipeline 108. The flow rate and head of pump body 110 can be selected according to the requirements of the entire temperature control system to ensure that the cooling medium circulates in the system at a suitable speed, meeting the heat dissipation requirements of the mass spectrometer. When installing pump body 110, it is necessary to ensure that its inlet and outlet directions are correct and that it is tightly connected to pipeline 108 to prevent leakage.

[0041] According to one embodiment of the present invention, it further includes a frame 112, and a chassis 102 is disposed on the frame 112.

[0042] In one embodiment of this utility model, when actually constructing the temperature control device for the mass spectrometer, a suitable frame 112 is first selected according to the overall design requirements. The frame 112 is usually made of metal materials (such as aluminum alloy or stainless steel), which has a certain strength and stability and can bear the weight of the chassis 102 and the internal equipment. Mounting structures, such as mounting holes and slots, that match the chassis 102 are designed and machined on the frame 112.

[0043] The bottom of the chassis 102 can be equipped with corresponding mounting components, such as bolt holes and clips. During installation, the chassis 102 is fixed to the frame 112 by bolts or clips, ensuring that the chassis 102 is firmly installed and accurately positioned. During installation, it is necessary to ensure that the connection between the chassis 102 and the frame 112 is tight to avoid shaking or displacement, which would affect the stability of the entire temperature control device.

[0044] By setting up the frame 112, a stable support structure is provided for the chassis 102. This allows the temperature control device for the mass spectrometer to better cope with different working environments during use, such as in mobile monitoring scenarios, reducing the loosening or damage of internal components due to vibration and bumps. At the same time, the presence of the frame 112 facilitates the handling and installation of the device, allowing it to be moved as a whole to the required location, improving the practicality and operability of the device.

[0045] According to one embodiment of the present invention, the chassis 102 includes:

[0046] The chassis body is mounted on the rack 112 and has an opening at the top.

[0047] The chassis cover is installed over the open end. When the chassis cover is installed over the chassis body, the chassis cover and the chassis body enclose and form an accommodating space.

[0048] In one embodiment of this utility model, the chassis body is made of metal sheet (such as cold-rolled steel sheet or aluminum sheet) through processes such as stamping and welding, and an opening is machined on its top. The size of the opening can be determined according to the installation and maintenance requirements of the internal equipment. A sealing structure (such as a rubber sealing strip) can also be provided on the edge of the chassis body to improve the sealing performance of the chassis 102.

[0049] The chassis cover can also be made of sheet metal, with dimensions precisely matching the opening. It is connected to the chassis body via hinges, clips, or bolts. When installing the chassis cover, align it with the opening of the chassis body and then secure it using the appropriate connection method, ensuring that the cover fits tightly against the body to form a closed enclosure.

[0050] The design of this chassis 102 facilitates the installation, commissioning, and maintenance of internal equipment. Opening the chassis cover allows for easy operation of the mass spectrometer, heat exchanger 104, air supply unit 106, and other equipment. Simultaneously, the enclosed space effectively protects the internal equipment, reducing the intrusion of external dust, moisture, and other impurities, providing a relatively stable operating environment for the mass spectrometer. Furthermore, the sealed structure helps maintain temperature stability within the enclosure, improving the efficiency of the temperature control device.

[0051] According to one embodiment of the present invention, at least one of the chassis body and the chassis cover is provided with a thermal insulation coating.

[0052] In one embodiment of this utility model, if an insulation coating is applied to the chassis body, after the chassis body is manufactured, its surface is pre-treated, such as by sanding and cleaning, to enhance the adhesion of the coating. Then, a suitable insulation coating (such as polyurethane insulation coating or ceramic insulation coating) can be selected according to the insulation requirements, and the coating is evenly applied to the surface of the chassis body by spraying, brushing, or other methods. The coating thickness can be controlled within a certain range (generally 0.5 mm to 2 mm) according to the actual situation. If an insulation coating is applied to the chassis cover, the operation steps are similar. During the coating process, it is necessary to ensure that the coating is uniform and free from defects such as missed areas or bubbles. If insulation coatings are applied to both the chassis body and the chassis cover, the above operations need to be performed separately.

[0053] In this embodiment of the invention, a corresponding thermal insulation coating can be provided on both the chassis body and the chassis cover.

[0054] The thermal insulation coating effectively reduces heat exchange between the inside and outside of the enclosure 102. When the ambient temperature fluctuates significantly, it prevents heat from rapidly entering or leaving the enclosure 102, maintaining a relatively stable temperature within the enclosure. This helps improve the energy efficiency of the temperature control device, reduces the workload of the medium cooler 100, extends the service life of the equipment, and also better ensures that the mass spectrometer operates in a stable temperature environment, improving the accuracy of measurement results.

[0055] According to one embodiment of the present invention, a temperature measuring element (not shown in the figure) is provided inside the chassis body.

[0056] In one embodiment of this utility model, a temperature measuring device can be installed inside the chassis body, such as on the inner wall, bottom or top of the chassis body, usually at a location close to the mass spectrometer and that can represent the average temperature within the containment space.

[0057] The temperature sensing element can be a high-precision temperature sensor (such as a thermistor temperature sensor or a thermocouple temperature sensor). It can be installed inside the chassis by welding, screw fixing, or adhesive bonding. Furthermore, the temperature sensing element can be connected to the control system, enabling it to transmit the measured temperature data to the control system in real time.

[0058] By installing temperature sensors inside the instrument housing, the temperature within the storage space can be monitored in real time. Based on the temperature data fed back by the sensors, the control system promptly adjusts the operating status of components such as the medium cooler 100 and pump 110, achieving precise control of the mass spectrometer's operating environment temperature. This helps ensure the mass spectrometer operates under optimal temperature conditions, improving its performance stability and the accuracy of measurement results. It also allows for the timely detection of abnormal temperature conditions, facilitating troubleshooting and handling by operators.

[0059] According to one embodiment of the present invention, the pipeline 108 includes:

[0060] The liquid inlet pipe 114 is connected to the outlet of the medium cooler 100 and the inlet of the heat exchanger 104, and the pump body 110 is disposed on the liquid inlet pipe 114.

[0061] The liquid outlet pipe 116 is connected to the inlet of the medium cooler 100 and the outlet of the heat exchanger 104.

[0062] In one embodiment of this utility model, the inlet pipe 114 and the outlet pipe 116 are typically made of low-temperature resistant and corrosion-resistant materials (such as copper pipes, stainless steel pipes, or plastic pipes). Based on the interface dimensions and positions of the medium cooler 100 and heat exchanger 104, the inlet pipe 114 and the outlet pipe 116 are bent and cut to ensure accurate connection to each device. When connecting the inlet pipe 114 to the outlet of the medium cooler 100 and the inlet of the heat exchanger 104, and the outlet pipe 116 to the inlet of the medium cooler 100 and the outlet of the heat exchanger 104, welding, threaded connections, or quick-connect couplings can be used to ensure a tight, leak-free connection.

[0063] The pump body 110 is installed on the inlet pipe 114. During installation, ensure that the inlet and outlet directions of the pump body 110 are the same as the flow direction of the cooling medium to ensure normal flow of the medium. During installation, the pipeline 108 can also be fixed to prevent it from shaking or shifting.

[0064] The rationally designed piping system 108 ensures the circulation of the cooling medium between the medium cooler 100 and the heat exchanger 104. The pump 110 provides power to allow the cooling medium to flow through the inlet pipe 114, delivering the cooling energy generated by the medium cooler 100 to the heat exchanger 104. The outlet pipe 116 returns the medium, after heat exchange in the heat exchanger 104, to the medium cooler 100, forming a complete circulation loop. This circulation continuously provides cooling to the heat exchanger 104, ensuring that the air supply unit 106 delivers sufficient cooling energy to the mass spectrometer, effectively cooling the mass spectrometer and maintaining its stable operating temperature.

[0065] According to one embodiment of the present invention, the outer surface of the liquid inlet pipe 114 is covered with a heat insulation layer.

[0066] In one embodiment of this utility model, after the inlet pipe 114 is installed, a suitable insulation material (such as rubber and plastic insulation material or glass wool insulation material) can be selected to cover its outer surface. The thickness of the insulation material can be determined according to the actual insulation requirements, generally between 10 mm and 50 mm. The insulation material is cut according to the length and shape of the inlet pipe 114, and then glue, tape, or insulation cable ties can be used to tightly fix the insulation material to the outer surface of the inlet pipe 114, ensuring that the insulation layer is without gaps or wrinkles.

[0067] The insulation layer on the outer surface of the inlet pipe 114 can reduce heat loss of the cooling medium during transportation. When the cooling medium flows in the inlet pipe 114, the insulation layer can effectively prevent heat exchange between it and the external environment, allowing more cooling capacity to reach the heat exchanger 104, improving the utilization efficiency of the cooling medium, enhancing the cooling effect of the temperature control device, and helping to maintain the stability of the operating temperature of the mass spectrometer.

[0068] According to one embodiment of the present invention, the heat exchanger 104 includes:

[0069] The heat exchange tube is in fluid communication with the liquid inlet pipe 114 and the liquid outlet pipe 116.

[0070] Heat exchange fins are connected to the outer wall of the heat exchange tube.

[0071] In one embodiment of this utility model, the heat exchange tube is made of a metal tube with good thermal conductivity (such as copper tube). According to the design requirements of the heat exchanger 104, the heat exchange tube is processed by bending, welding, etc., to ensure accurate connection with the inlet pipe 114 and the outlet pipe 116, ensuring smooth flow of the cooling medium. The heat exchange fins are usually made of aluminum or copper and are tightly connected to the outer wall of the heat exchange tube by welding, expansion, etc. During welding or expansion, it is necessary to ensure a firm connection and good contact between the heat exchange fins and the heat exchange tube to improve heat exchange efficiency. The shape, size, and number of heat exchange fins can be designed according to the heat dissipation requirements of the heat exchanger 104, and are generally plate-shaped or needle-shaped, evenly distributed on the outer wall of the heat exchange tube.

[0072] The connection between the heat exchange tubes and the inlet pipe 114 and outlet pipe 116 allows the cooling medium to circulate within them, achieving heat exchange. The arrangement of the heat exchange fins significantly increases the heat dissipation area of ​​the heat exchange tubes, improving heat exchange efficiency. When the cooling medium flows in the heat exchange tubes, heat is transferred through the tube walls to the heat exchange fins, and then dissipated into the surrounding air by the fins. This allows for more effective transfer of the cooling medium's coldness into the containment space, providing sufficient cooling for the air supply unit 106, thereby better cooling the mass spectrometer and ensuring that the mass spectrometer operates at a suitable temperature.

[0073] According to one embodiment of the present invention, the air outlet direction of the air supply component 106 corresponds to that of the heat exchange fins.

[0074] In one embodiment of this utility model, when installing the air supply component 106 (such as a fan), the installation angle and position of the air supply component 106 can be adjusted according to the position and shape of the heat exchange fins to ensure that the air outlet direction of the air supply component 106 can directly blow onto the heat exchange fins. Precise adjustment can be achieved by setting mounting brackets, adjusting bolts, etc., between the air supply component 106 and the chassis body. During installation, it is necessary to ensure that the air supply component 106 is firmly installed and operates stably, avoiding shaking or displacement that could change the air outlet direction. Simultaneously, it is essential to ensure that the distance between the air supply component 106 and the heat exchange fins is appropriate, ensuring sufficient airflow to reach the heat exchange fins without affecting the air supply effect due to excessive distance.

[0075] The air outlet direction of the air supply component 106 corresponds to that of the heat exchange fins, enabling the air blown out by the air supply component 106 to fully exchange heat with the heat exchange fins. The cold air on the heat exchange fins is carried away by the air, forming a cool airflow that blows towards the mass spectrometer, achieving effective cooling of the mass spectrometer. This design improves the efficiency of cold air transfer, ensures the uniformity of the operating temperature of the mass spectrometer, and helps to improve the performance stability and measurement accuracy of the mass spectrometer.

[0076] The specific usage method of the temperature control device for mass spectrometer provided in this embodiment is as follows:

[0077] First, connect the pipe 108, the medium cooler 100, the pump body 110, and the heat exchanger 104 in series respectively. At each connection point, hose clamps can be used to fix the pipe 108 to prevent it from falling off.

[0078] Next, open the air supply component 106 and fasten the chassis cover onto the chassis 102 to place the mass spectrometer in the containment space.

[0079] Next, turn on the medium cooler 100 and the pump body 110, and set the cooling temperature of the medium cooler 100 and the flow rate, head and other parameters of the pump body 110.

[0080] Finally, with the mass spectrometer operating normally, observe the temperature changes within the containment space to ensure temperature stability.

[0081] like Figure 2 As shown, this step can be further divided into several different stages:

[0082] Phase 1:

[0083] After the mass spectrometer starts working, the temperature in the containment space rises to T1. At this time, the temperature of the medium cooler 100 can be set to T2, where T2... <T1;

[0084] Phase Two:

[0085] As the heat exchanger 104 and the air supply unit 106 operate, the operating temperature of the mass spectrometer decreases accordingly, and at the same time, the temperature inside the containment space begins to decrease to T3.

[0086] Phase Three:

[0087] When the temperature inside the containment space is maintained at T3, it indicates that the temperature inside the containment space has stabilized. That is, at this time, the heat generated by the mass spectrometer and the cold generated by the medium cooler 100 can cancel each other out.

[0088] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A temperature control device for a mass spectrometer, characterized in that, include: Medium cooler (100); The chassis (102) has a housing space for installing a mass spectrometer. The housing space also has a heat exchanger (104) and an air supply component (106). The heat exchanger (104) is fluidly connected to the medium cooler (100) through a pipe (108). The air supply component (106) is used to blow the cooling energy of the heat exchanger (104) to the mass spectrometer. The pump body (110) is installed in the pipeline (108).

2. The temperature control device for a mass spectrometer according to claim 1, characterized in that, It also includes a rack (112), on which the chassis (102) is disposed.

3. The temperature control device for a mass spectrometer according to claim 2, characterized in that, The chassis (102) includes: The chassis body is mounted on the rack (112) and the top of the chassis body has an opening; A chassis cover is provided over the opening. When the chassis cover is provided over the chassis body, the chassis cover and the chassis body enclose the accommodating space.

4. The temperature control device for a mass spectrometer according to claim 3, characterized in that, At least one of the chassis body and the chassis cover is provided with a thermal insulation coating.

5. The temperature control device for a mass spectrometer according to claim 3, characterized in that, The chassis body is equipped with a temperature measuring device.

6. The temperature control device for a mass spectrometer according to any one of claims 1 to 5, characterized in that, The pipeline (108) includes: The inlet pipe (114) connects the outlet of the medium cooler (100) and the inlet of the heat exchanger (104), and the pump body (110) is disposed on the inlet pipe (114). The liquid outlet pipe (116) connects the inlet of the medium cooler (100) and the outlet of the heat exchanger (104).

7. The temperature control device for a mass spectrometer according to claim 6, characterized in that, The outer surface of the liquid inlet pipe (114) is covered with a heat insulation layer.

8. The temperature control device for a mass spectrometer according to claim 7, characterized in that, The heat exchanger (104) includes: A heat exchange tube, which is in fluid communication with the liquid inlet pipe (114) and the liquid outlet pipe (116); Heat exchange fins are connected to the outer wall of the heat exchange tube.

9. The temperature control device for a mass spectrometer according to claim 8, characterized in that, The air outlet direction of the air supply component (106) corresponds to that of the heat exchange fins.