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CN-224204099-U - Temperature control device for mass spectrometer

CN224204099UCN 224204099 UCN224204099 UCN 224204099UCN-224204099-U

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, a case, a pump body and a temperature control device, wherein a containing space is arranged in the case and used for installing the mass spectrometer, a heat exchanger and an air supply piece are further arranged in the containing space, the heat exchanger is in fluid communication with the medium cooler through a pipeline, the air supply piece is used for blowing cold energy of the heat exchanger to the mass spectrometer, and the pump body is arranged on the pipeline. The temperature control device for the mass spectrometer can accurately control the working temperature of the mass spectrometer through the cooperative work of the medium cooler, the heat exchanger, the air supply piece and the pump body, so that the mass spectrometer can stably operate at a proper temperature, the influence of temperature fluctuation on the performance of the mass spectrometer is reduced, 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 overhigh temperature are avoided, and the service life of the mass spectrometer is prolonged.

Inventors

  • JIANG JINGKUN
  • CHEN YAN
  • WANG DONGBIN
  • DENG JIANGUO

Assignees

  • 清华大学

Dates

Publication Date
20260505
Application Date
20250605

Claims (9)

  1. 1. A temperature control device for a mass spectrometer, comprising: a medium cooler (100); The device comprises a case (102), wherein a containing space is arranged in the case (102) and is used for installing a mass spectrometer, a heat exchanger (104) and an air supply piece (106) are further arranged in the containing space, the heat exchanger (104) is in fluid communication with the medium cooler (100) through a pipeline (108), and the air supply piece (106) is used for blowing cold energy of the heat exchanger (104) to the mass spectrometer; and a pump body (110) provided in the pipeline (108).
  2. 2. The temperature control device for a mass spectrometer according to claim 1, further comprising a frame (112), wherein the housing (102) is provided to the frame (112).
  3. 3. The temperature control device for a mass spectrometer according to claim 2, wherein the housing (102) comprises: the machine case body is arranged on the rack (112), and an opening is formed at the top of the machine case body; The case cover body is covered on the opening, and the case cover body and the case body enclose to form the accommodating space under the condition that the case cover body is covered on the case body.
  4. 4. A temperature control device for a mass spectrometer according to claim 3, wherein at least one of the housing body and the housing cover is provided with a heat-insulating coating.
  5. 5. The temperature control device for a mass spectrometer according to claim 3, wherein a temperature measuring member is provided inside the housing body.
  6. 6. The temperature control device for a mass spectrometer according to any one of claims 1 to 5, wherein the pipe (108) comprises: A liquid inlet pipe (114) connected with the outlet of the medium cooler (100) and the inlet of the heat exchanger (104), wherein the pump body (110) is arranged on the liquid inlet pipe (114); -a drain pipe (116) connecting an inlet of the medium cooler (100) and an outlet of the heat exchanger (104).
  7. 7. The temperature control device for a mass spectrometer according to claim 6, wherein the outer surface of the liquid inlet pipe (114) is coated with a heat insulating layer.
  8. 8. The temperature control device for a mass spectrometer according to claim 7, wherein the heat exchanger (104) comprises: A heat exchange tube in fluid communication with the liquid inlet tube (114) and the liquid outlet tube (116); and the heat exchange fin is connected to the outer wall of the heat exchange tube.
  9. 9. The temperature control device for a mass spectrometer according to claim 8, wherein an air outlet direction of the air blowing member (106) corresponds to the heat exchanging fin.

Description

Temperature control device for mass spectrometer Technical Field The utility model relates to the field of mass spectrometer temperature control, and provides a temperature control device for a mass spectrometer. Background Along with the continuous increase of environmental pollutant monitoring demands, the portable mass spectrometer is widely applied to various scenes such as fixed source field and high-altitude monitoring due to the advantages of convenience in carrying and simple structure. However, these mass spectrometers face problems of ambient temperature variations in practical applications, which directly affect the stability of their performance and the accuracy of the measurement results. Currently, in order to control conditions such as ambient temperature, it is common practice to place a mass spectrometer in a stationary station room and perform temperature control by an air conditioner. However, this approach has faced significant limitations in the practical field use of portable mass spectrometers, as many sites may not have sophisticated temperature control facilities. Disclosure of utility model The embodiment of the utility model provides a temperature control device for a mass spectrometer, which is used for solving the defects of weak universality and low precision of temperature control of the mass spectrometer in the related technology. The embodiment of the utility model provides a temperature control device for a mass spectrometer, which comprises: A media cooler; The device comprises a case, wherein a containing space is arranged in the case, the containing space is used for installing a mass spectrometer, a heat exchanger and an air supply piece are also arranged in the containing space, the heat exchanger is in fluid communication with the medium cooler through a pipeline, and the air supply piece is used for blowing cold energy of the heat exchanger to the mass spectrometer; And the pump body is arranged on the pipeline. According to one embodiment of the present utility model, the computer case further comprises a rack, and the computer case is disposed on the rack. According to one embodiment of the utility model, the chassis comprises: The machine case body is arranged on the rack, and an opening is formed at the top of the machine case body; The case cover body is covered on the opening, and the case cover body and the case body enclose to form the accommodating space under the condition that the case cover body is covered on the case body. According to one embodiment of the utility model, at least one of the chassis body and the chassis cover is provided with a thermal insulation coating. According to one embodiment of the utility model, a temperature measuring piece is arranged inside the case body. According to one embodiment of the utility model, the pipeline comprises: the liquid inlet pipe is connected with the outlet of the medium cooler and the inlet of the heat exchanger, and the pump body is arranged on the liquid inlet pipe; and the liquid outlet pipe is connected with the inlet of the medium cooler and the outlet of the heat exchanger. According to one embodiment of the utility model, the outer surface of the liquid inlet pipe is coated with an insulation layer. According to one embodiment of the utility model, the heat exchanger comprises: the heat exchange tube is in fluid communication with the liquid inlet tube and the liquid outlet tube; and the heat exchange fin is connected to the outer wall of the heat exchange tube. According to one embodiment of the present utility model, the air outlet direction of the air supply member corresponds to the heat exchange fin. According to the temperature control device for the mass spectrometer, provided by the embodiment of the utility model, the working temperature of the mass spectrometer can be accurately controlled through the cooperative work of the medium cooler, the heat exchanger, the air supply piece and the pump body. The medium cooler can provide stable cold energy, and the heat exchanger can be high-efficient with cold energy transfer air, and the air supply piece can blow the cold air evenly to the mass spectrometer, and the circulation of cooling medium can be guaranteed to the pump body for the mass spectrometer can be at suitable temperature steady operation, reduces the influence of temperature fluctuation to mass spectrometer performance, improves measuring result's accuracy. The stable working temperature is beneficial to improving the stability and reliability of the mass spectrometer, the problems of performance reduction of electronic elements, thermal deformation of mechanical parts and the like caused by overhigh temperature are avoided, and the service life of the mass spectrometer is prolonged. Meanwhile, the temperature control device reduces the performance difference of the mass spectrometer at different environmental temperatures, so that the mass spectrometer can keep a good working sta