A temperature control device for a blood gas analyzer

By introducing a movable heating and cooling unit into the blood gas analyzer, combined with the coordinated control of temperature sensors and controllers, the problem of temperature non-uniformity was solved, resulting in more accurate test results.

CN115598361BActive Publication Date: 2026-02-17FIRST HOSPITAL AFFILIATED TO GENERAL HOSPITAL OF PLA
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202211328723.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-10-27
Publication Date
2026-02-17
Estimated Expiration
2042-10-27

AI Technical Summary

Technical Problem

The uneven internal temperature of existing blood gas analyzers affects the accuracy of signal acquisition, and the heat dissipation system cannot guarantee temperature uniformity.

Method used

A movable second heating unit and a second heat dissipation unit are adopted. The movement path of the temperature regulation component is detected by a temperature sensor, and the controller adjusts the position of the heating and heat dissipation units to ensure temperature uniformity.

Benefits of technology

This improves the uniformity of temperature inside the blood gas analyzer, ensuring the accuracy of the test results.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN115598361B_ABST
    Figure CN115598361B_ABST
Patent Text Reader

Abstract

The application discloses a temperature control device for a blood gas analyzer, which comprises a mounting shell, a first heating assembly and a first heat dissipation assembly, a horizontal partition plate is arranged in the mounting shell, a test assembly mounting cavity is arranged on the upper side of the partition plate, a temperature control cavity is arranged on the lower side of the partition plate, a temperature adjusting assembly is further arranged in the temperature control cavity, the temperature adjusting assembly comprises a second heating unit, a second heat dissipation unit and a driving unit, the driving unit drives the temperature adjusting assembly to move the second heating unit and the second heat dissipation unit below the first heating assembly, a temperature sensor detects the temperature of the moving path of the temperature adjusting assembly, and the temperature sensor controls the second heating unit, the second heat dissipation unit and the driving unit through a controller. The technical scheme locally strengthens the temperature control effect of the first heating assembly and the first heat dissipation assembly through the movable second heating unit and the second heat dissipation unit, and improves the uniformity of the temperature in the test assembly mounting cavity.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to a temperature control device for a blood gas analyzer. BACKGROUND

[0002] Blood gas biochemical analyzers have been widely used for precise and rapid detection in operating rooms, I3U and other occasions. The accuracy of the test is mainly affected by two boundary conditions, namely the internal temperature of the instrument and the internal signal interference. The internal temperature of the same products on the market is not controlled or not controlled well, and the internal temperature fluctuates greatly during the test, thereby affecting the accuracy of signal acquisition.

[0003] Chinese patent application CN113406317A discloses a blood gas biochemical analyzer, which belongs to the technical field of medical devices. The present application comprises a blood gas analyzer body and a test card, the test card is used with the blood gas biochemical analyzer body; the blood gas biochemical analyzer body comprises a shell, a test card seat assembly, a signal acquisition assembly and a heat dissipation system assembly, a movement assembly and a main control board; the shell is provided with a decorative cover and a main control board; the test card seat assembly is installed in the shell, the test card seat assembly is provided with a seat, the seat is provided with a test card feel assembly and a card insertion position judgment assembly; the signal acquisition assembly is installed on the test card seat assembly, the signal acquisition assembly is provided with a signal board PCBA, the signal board PCBA is welded with a probe; the running assembly is installed above the signal acquisition assembly; the heat dissipation system assembly is installed in the shell.

[0004] The same as the prior art is that the heat dissipation system assembly of the device relies on the fan to dissipate heat inside the analyzer, the test assembly, the main control board and the signal acquisition assembly inside the analyzer are relatively compact, but the position of the fan is relatively fixed, which may cause poor heat dissipation effect in local position and cannot guarantee the uniformity of the temperature inside the analyzer. SUMMARY

[0005] In view of the above problems, a temperature control device for a blood gas analyzer is provided, which locally strengthens the temperature control effect of the first heating assembly and the first heat dissipation assembly by the movable second heating unit and the second heat dissipation unit, and improves the uniformity of the temperature in the test assembly installation cavity.

[0006] To solve the problems of the prior art, the technical scheme adopted by the present application is:

[0007] The application discloses a temperature control device for a blood gas analyzer, which comprises a mounting shell, a first heating assembly and a first heat dissipation assembly. A horizontal partition plate is arranged in the mounting shell. A test assembly mounting cavity is arranged on the upper side of the partition plate, and a temperature control cavity is arranged on the lower side of the partition plate. The detection assembly of the blood gas analyzer is arranged in the test assembly mounting cavity on the upper side of the partition plate. The first heating assembly is attached to the lower side of the partition plate. The first heating assembly heats the test assembly mounting cavity on the upper side of the partition plate. The first heat dissipation assembly is arranged below the first heating assembly. The first heat dissipation assembly comprises a plurality of first heat dissipation fans. The first heat dissipation fans dissipate heat at various positions below the first heating assembly. A temperature adjusting assembly is further arranged in the temperature control cavity. The first heat dissipation fans are arranged around the side of the temperature adjusting assembly. The temperature adjusting assembly comprises a second heating unit, a second heat dissipation unit and a driving unit. The driving unit drives the temperature adjusting assembly to rotate. The temperature adjusting assembly drives the second heating unit and the second heat dissipation unit to move below the first heating assembly. The temperature adjusting assembly further comprises a temperature sensor. The temperature sensor detects the temperature of the moving path of the temperature adjusting assembly. The temperature sensor controls the second heating unit, the second heat dissipation unit and the driving unit through a controller.

[0008] Preferably, the bottom of the mounting shell is provided with a plug-in hole. The first heat dissipation fans are distributed at equal intervals around the axis of the plug-in hole. An annular limiting plate is arranged on the side of the plug-in hole. The axis of the annular limiting plate is in the same straight line as the plug-in hole. The temperature adjusting assembly further comprises a rotating seat. The rotating seat is coaxially arranged in the annular limiting plate. The rotating seat rotates around the axis of the plug-in hole. The rotating seat is plugged into the plug-in hole through a shaft. The second mounting plate is fixedly arranged on the top of the rotating seat. The second heating unit, the second heat dissipation unit and the temperature sensor are fixedly arranged on one end of the second mounting plate away from the axis of the rotating seat.

[0009] Preferably, the second heat dissipation unit comprises a mounting bracket. The mounting bracket is fixedly arranged on one end of the second mounting plate away from the axis of the rotating seat. One second heat dissipation fan is arranged at each end of the mounting bracket. An air inlet is arranged on the air inlet end of the mounting bracket. An air outlet is arranged on the air outlet end of the mounting bracket.

[0010] Preferably, a plug-in sleeve is arranged on the mounting bracket. The plug-in sleeve has a plurality of plug-in sleeves. The second heating unit comprises a first mounting plate. A plurality of plug-in rods are arranged on the bottom of the first mounting plate. The plug-in rods are plugged into the plug-in sleeves. A second heating sheet is fixedly arranged on the top of the first mounting plate.

[0011] Preferably, a side pulley is rotatably arranged on the side of the rotating seat. The side pulley has a plurality of side pulleys. The rotating shaft of the side pulley is parallel to the rotating shaft of the rotating seat. The side pulley is attached to the inner wall of the annular limiting plate. A plurality of balls are limitingly arranged on the bottom of the rotating seat. The balls are attached to the bottom of the mounting shell.

[0012] Preferably, the driving unit comprises a driven gear, a driving gear, a servo motor and a synchronous belt; the driven gear is coaxially installed at the bottom of the shaft of the rotating seat, and the driven gear is located outside the installation housing; the driving gear is fixedly installed at the working end of the servo motor, and the driving gear is drivingly connected with the driven gear through the synchronous belt; the servo motor is fixedly installed in the installation box on one side of the installation housing, and the installation box is made of heat insulation material.

[0013] Preferably, the bottom of the installation housing is fixedly provided with a mounting cover, and the mounting cover encloses the driven gear, the driving gear and the servo motor inside.

[0014] Preferably, the first heat dissipation assembly further comprises a mounting table, the mounting table is arranged on the installation housing, and the first heat dissipation fan is fixedly installed in the mounting table; the bottom of the mounting table is provided with a plurality of second exhaust holes, the second exhaust holes are communicated with the outside of the installation housing; the circumferential side of the mounting table is provided with a first air inlet hole, the first air inlet hole is distributed at equal intervals around the circumferential side of the mounting table, and the first air inlet hole is communicated with the inside of the temperature control cavity and the inside of the mounting table.

[0015] Preferably, the bottom of the installation housing is provided with a first exhaust hole, and the first exhaust hole is used for heat dissipation of the temperature control cavity.

[0016] Preferably, the first heating assembly comprises a first heating sheet and a heat conducting plate, the first heating sheet has a plurality of first heating sheets, and the first heating sheets are fixedly installed on the heat conducting plate; a plurality of supporting sheets are arranged on the side wall of the installation housing, the heat conducting plate is fixedly installed on the supporting sheet, and the heat conducting plate is located on the upper side of the first heat dissipation fan.

[0017] The beneficial effects of the present application compared with the prior art are:

[0018] The present application divides the installation housing into a test component installation cavity and a temperature control cavity through the partition plate arranged on the installation housing, the test component installation cavity is used for installing all test components, the first heating assembly and the first heat dissipation assembly are respectively installed in the temperature control cavity to control the temperature in the test component installation cavity, the temperature adjusting assembly can rotate and drive the second heating unit and the second heat dissipation unit at one end to move under the driving of the driving unit, when the temperature adjusting assembly rotates and moves, the temperature sensor on the temperature adjusting assembly detects the temperature on the moving path of the temperature adjusting assembly, when the temperature sensor detects that the temperature at a certain position is higher or lower than the required detection temperature, it proves that there is a heat dissipation or heating dead angle in the test component installation cavity at the position, the driving unit sends a signal to the driven gear, under the programming design of the working personnel, the controller can control the driving unit to stop the rotation of the temperature adjusting assembly, the temperature control effect of the first heating assembly and the first heat dissipation assembly is locally strengthened through the second heating unit and the second heat dissipation unit, the temperature in the test component installation cavity is uniform, and the accuracy of the detection result is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a perspective view of the present application;

[0020] Figure 2 is an exploded perspective view of the present application;

[0021] Figure 3 is a partial enlarged view of A of Figure 2

[0022] Figure 4 is a perspective view of the present application after removing the partition and the first heating assembly Figure 1 ;

[0023] Figure 5 is a partial enlarged view of B of Figure 4

[0024] Figure 6 is a perspective view of the present application after removing the partition and the first heating assembly Figure 2 ;

[0025] Figure 7 is an exploded perspective view of Figure 6

[0026] Figure 8 is an exploded perspective view of Figure 4

[0027] Figure 9 is a perspective view of the temperature adjusting assembly of the present application;

[0028] Figure 10 is a perspective view of the temperature adjusting assembly of the present application after removing the driving unit;

[0029] Figure 11 is an exploded perspective view of Figure 10

[0030] Figure 12 is an exploded perspective view from another angle; Figure 10

[0031] is a partial enlarged view of C of Figure 13 Figure 12

[0032] Reference numerals in the drawings are:

[0033] 1 - mounting housing;

[0034] 11 - partition; 111 - test assembly mounting cavity; 112 - temperature control cavity;

[0035] 12 - insertion hole;

[0036] 13 - annular limiting plate;

[0037] ​​​​​​​14 - mounting box;

[0038] 15 - mounting cover;

[0039] 16 - first exhaust hole;

[0040] 17 - support sheet;

[0041] 2 - first heating assembly;

[0042] 21 - first heating sheet;

[0043] 22 - heat-conducting plate;

[0044] 3 - second heat-dissipating assembly;

[0045] 31 - first heat-dissipating fan;

[0046] 32 - mounting table; 321 - second exhaust hole; 322 - first air inlet hole;

[0047] 4 - temperature adjusting assembly;

[0048] 41 - second heating unit; 411 - first mounting plate; 412 - insertion rod; 413 - second heating sheet;

[0049] 42 - second heat-dissipating unit; 421 - mounting bracket; 422 - second heat-dissipating fan; 423 - air suction port; 424 - air outlet hole;

[0050] 425 - insertion sleeve;

[0051] 43 - driving unit; 431 - driven gear; 432 - driving gear; 433 - servo motor; 434 - synchronous belt;

[0052] 44 - temperature sensor; 441 - controller;

[0053] 45 - rotating seat; 451 - shaft rod; 452 - second mounting plate; 453 - side pulley; 454 - ball. DETAILED DESCRIPTION

[0054] In order to further understand the features, technical means and specific purposes and functions of the present application, the present application will be described in further detail below in combination with the drawings and specific embodiments.

[0055] REFERENCE Figures 1 to 13The application discloses a temperature control device for a blood gas analyzer, which comprises a mounting shell 1, a first heating assembly 2 and a first heat dissipation assembly 3. A horizontal partition plate 11 is arranged in the mounting shell 1. The upper side of the partition plate 11 is a test assembly mounting cavity 111, and the lower side of the partition plate 11 is a temperature control cavity 112. The detection assembly of the blood gas analyzer is mounted in the test assembly mounting cavity 111 on the upper side of the partition plate 11. The first heating assembly 2 is attached to the lower side of the partition plate 11. The first heating assembly 2 heats the test assembly mounting cavity 111 on the upper side of the partition plate 11. The first heat dissipation assembly 3 is arranged below the first heating assembly 2. The first heat dissipation assembly 3 comprises a plurality of first heat dissipation fans 31. The first heat dissipation fans 31 are arranged around the periphery of a temperature adjusting assembly 4. The temperature adjusting assembly 4 comprises a second heating unit 41, a second heat dissipation unit 42 and a driving unit 43. The driving unit 43 drives the temperature adjusting assembly 4 to rotate. The temperature adjusting assembly 4 drives the second heating unit 41 and the second heat dissipation unit 42 to move below the first heating assembly 2. The temperature adjusting assembly 4 further comprises a temperature sensor 44. The temperature sensor 44 detects the temperature of the moving path of the temperature adjusting assembly 4. The temperature sensor 44 controls the second heating unit 41, the second heat dissipation unit 42 and the driving unit 43 through a controller 441.

[0056] The installation shell 1 in the present application is used for the installation of the test assembly of the blood gas analyzer, the test assembly should include the test card seat assembly, the main control board and the signal acquisition assembly, etc., which are all prior art, and will not be described in detail again, which can ensure the detection function of the blood gas analyzer, not shown in the figure, the partition plate 11 provided on the installation shell 1 divides the installation shell 1 into a test assembly installation cavity 111 and a temperature control cavity 112, the test assembly installation cavity 111 is used for installing all test assemblies, the temperature control cavity 112 is located below the test assembly installation cavity 111, the first heating assembly 2 and the first heat dissipation assembly 3 are respectively installed in the temperature control cavity 112, the first heating assembly 2 and the first heat dissipation assembly 3 can be controlled by the temperature sensor in the test assembly installation cavity 111 to control the temperature in the test assembly installation cavity 111, the first heating assembly 2 heats the test assembly installation cavity 111 to ensure that the temperature inside the test assembly installation cavity 111 is lower than the required detection temperature, and the test assembly installation cavity 111 can be quickly heated, the first heat dissipation assembly 3 is provided below the first heating assembly 2 and quickly cools the partition plate 11, so that the test assembly installation cavity 111 can be quickly cooled when the temperature inside the test assembly installation cavity 111 is higher than the required detection temperature, the first heating assembly 2 and the first heat dissipation assembly 3 cooperate to control the temperature in the test assembly installation cavity 111, the temperature adjusting assembly 4 is provided in the temperature control cavity 112, the temperature adjusting assembly 4 can rotate around the axis under the drive of the driving unit 43 and drive the second heating unit 41 and the second heat dissipation unit 42 at one end to move, when the temperature adjusting assembly 4 rotates and moves, the temperature sensor 44 on the temperature adjusting assembly 4 detects the temperature on the moving path of the temperature adjusting assembly 4, when the temperature sensor 44 detects that the temperature at a certain place is higher than the required detection temperature, it proves that there is a heat dissipation dead angle in the test assembly installation cavity 111 at this place, and the heat dissipation efficiency is poor, at this time the driving unit 43 sends a signal to the driven gear 431, under the programming design of the staff, the controller 441 can control the driving unit 43 to stop the rotation of the temperature adjusting assembly 4, fix the position of the second heat dissipation unit 42, at this time the controller 441 controls the second heat dissipation unit 42 to start cooling at this place, by analogy, when the temperature sensor 44 detects that the temperature at a certain place is lower than the required detection temperature, it proves that there is a heating dead angle in the test assembly installation cavity 111 at this place, and the heating effect is poor, at this time the temperature sensor 44 sends a signal to the controller 441, under the programming design of the staff, the controller 441 can control the driving unit 43 to stop the rotation of the temperature adjusting assembly 4, fix the position of the second heat dissipation unit 42, at this time the controller 441 controls the second heating unit 41 to start heating at this place, the temperature control effect of the first heating assembly 2 and the first heat dissipation assembly 3 is locally strengthened by the second heating unit 41 and the second heat dissipation unit 42, which ensures that the temperature in the test assembly installation cavity 111 is uniform, thereby ensuring the accuracy of the detection result.

[0057] Referring toFigures 3 to 10 The bottom of the mounting shell 1 is provided with a plug-in hole 12, the first heat dissipation fan 31 is distributed equidistantly around the axis of the plug-in hole 12, the plug-in hole 12 is provided with an annular limiting plate 13 on the side, and the axis of the annular limiting plate 13 is in the same straight line with the plug-in hole 12; the temperature adjusting assembly 4 further comprises a rotating seat 45, the rotating seat 45 is coaxially arranged in the annular limiting plate 13, the rotating seat 45 rotates around the axis of the plug-in hole 12, and the rotating seat 45 is plugged into the plug-in hole 12 through the shaft rod 451; the second mounting plate 452 is fixedly installed at the top of the rotating seat 45, and the second heating unit 41, the second heat dissipation unit 42 and the temperature sensor 44 are fixedly installed at one end of the second mounting plate 452 away from the axis of the rotating seat 45.

[0058] The plug-in hole 12 at the bottom of the mounting shell 1 vertically penetrates the mounting shell 1, the rotating seat 45 of the temperature adjusting assembly 4 is plugged into the plug-in hole 12 through the shaft rod 451, so that the temperature adjusting assembly 4 can rotate around the axis of the plug-in hole 12, and the top end of the rotating seat 45 is provided with the second mounting plate 452 for installing the second heating unit 41, the second heat dissipation unit 42 and the temperature sensor 44. In the embodiment, one end of the second mounting plate 452 is away from the axis of the rotating seat 45, and the second heating unit 41, the second heat dissipation unit 42 and the temperature sensor 44 are installed at one end of the second mounting plate 452 away from the axis of the rotating seat 45, so as to move in a circular path with the axis of the plug-in hole 12 as the center in the temperature control cavity 112, cover most of the area below the partition plate 11, and enable the temperature sensor 44 to detect the temperature of the temperature control cavity 112. Since the first heat dissipation fan 31 of the first heat dissipation assembly 3 is arranged around the axis of the plug-in hole 12, the second heating unit 41 and the second heat dissipation unit 42 can be moved around the side of the first heat dissipation fan 31 of the first heat dissipation assembly 3 when the temperature adjusting assembly 4 moves, and the temperature sensor 44 can be used to heat or cool the local position of the partition plate 11 according to the interval.

[0059] Referring to Figures 9 to 12 The second heat dissipation unit 42 comprises a mounting bracket 421 fixedly installed at one end of the second mounting plate 452 away from the axis of the rotating seat 45; one second heat dissipation fan 422 is installed at each end of the mounting bracket 421; the mounting bracket 421 is provided with an air inlet 423 at the air inlet end of the second heat dissipation fan 422, and is provided with an air outlet hole 424 at the air outlet end of the second heat dissipation fan 422.

[0060] The second heat dissipation unit 42 in the embodiment is installed at one end of the rotating seat 45 through the mounting bracket 421, the mounting bracket 421 extends to both ends of the rotating seat 45, both top ends of the mounting bracket 421 are fixedly installed with a second heat dissipation fan 422, the second heat dissipation fan 422 is started under the control of the controller 441, when the temperature sensor 44 moves to a position to detect that the temperature at the position is greater than the required detection temperature, the temperature sensor 44 sends a signal to the controller 441, the controller 441 controls the driving unit 43 to stop the movement of the temperature adjusting assembly 4 and controls the second heat dissipation fan 422 to start, the second heat dissipation fan 422 inhales air through the air suction port 423 on the mounting bracket 421 and then discharges the hot air through the air outlet hole 424 at the bottom of the mounting bracket 421, which cooperates with the first heat dissipation assembly 3 to accelerate the cooling effect of the position, so that the temperature of the position reaches the required detection temperature as soon as possible, and the temperature inside the mounting shell 1 is balanced.

[0061] With reference to Figure 11 And Figure 12 : The mounting bracket 421 is provided with a plurality of plug-in sleeves 425, the second heating unit 41 includes a first mounting plate 411, the bottom of the first mounting plate 411 is provided with a plurality of plug-in rods 412, the plug-in rods 412 are plugged into the plug-in sleeves 425, and the top of the first mounting plate 411 is fixedly installed with a second heating sheet 413.

[0062] The second heating unit 41 in the embodiment is installed on the mounting bracket 421 through the first mounting plate 411, the first mounting plate 411 is plugged into the plug-in sleeves 425 of the mounting bracket 421 through the plug-in rods 412, so that the first mounting plate 411 is conveniently and quickly disassembled, and the second heating sheet 413 at the top of the first mounting plate 411 is located below the partition plate 11 and moves, the second heating sheet 413 is started under the control of the controller 441, when the temperature sensor 44 moves to a position to detect that the temperature at the position is lower than the required detection temperature, the temperature sensor 44 sends a signal to the controller 441, the controller 441 controls the driving unit 43 to stop the movement of the temperature adjusting assembly 4 and controls the second heating sheet 413 to start, the second heating sheet 413 heats the position, which cooperates with the first heating assembly 2 to improve the temperature effect of the position, so that the temperature of the position reaches the required detection temperature as soon as possible, and the temperature inside the mounting shell 1 is balanced.

[0063] With reference to Figures 11 to 13 : The rotating seat 45 is rotationally installed with a plurality of side pulleys 453 on the side, the rotation shafts of the side pulleys 453 are parallel to the rotation shaft of the rotating seat 45, and the side pulleys 453 are attached to the inner wall of the annular limiting plate 13; a plurality of ball bearings 454 are limitingly installed at the bottom of the rotating seat 45, and the ball bearings 454 are attached to the bottom of the mounting shell 1.

[0064] The rotating seat 45 of the temperature adjusting assembly 4 is limited to move in the annular limiting plate 13 around the plug-in hole 12. When the rotating seat 45 is driven by the driving unit 43 to rotate around the axis of the shaft 451, the side pulley 453 around the rotating seat 45 is attached to the inner wall of the annular limiting plate 13 to move, so as to convert the sliding friction between the rotating seat 45 and the annular limiting plate 13 into rolling friction, which can improve the fluency of the rotation of the rotating seat 45 and reduce the influence of the heat generated by the friction on the temperature in the temperature control cavity 112. The bottom of the rotating seat 45 is limited to be installed in contact with the bottom of the mounting shell 1. When the rotating seat 45 moves, the sliding friction between the rotating seat 45 and the mounting shell 1 is converted into rolling friction, which can improve the fluency of the rotation of the rotating seat 45 and reduce the influence of the heat generated by the friction on the temperature in the temperature control cavity 112.

[0065] With reference to Figures 7 to 9 The driving unit 43 comprises a driven gear 431, a driving gear 432, a servo motor 433 and a synchronous belt 434. The driven gear 431 is coaxially installed at the bottom of the shaft 451 of the rotating seat 45 and is located outside the mounting shell 1. The driving gear 432 is fixedly installed at the working end of the servo motor 433 and is in transmission connection with the driven gear 431 through the synchronous belt 434. The servo motor 433 is fixedly installed in the mounting box 14 on one side of the mounting shell 1, and the mounting box 14 is made of heat insulation material.

[0066] The driven gear 431 is coaxially installed at the bottom of the shaft 451 of the driving unit 43. The driven gear 431 can limit the rotating seat 45 and drive the rotating seat 45 to rotate. The driven gear 431 is in transmission connection with the driving gear 432 through the synchronous belt 434. When the driving gear 432 is driven by the servo motor 433 to rotate, the rotating seat 45 is driven to rotate to drive the second heating unit 41, the second heat dissipation unit 42 and the temperature sensor 44 to move. In the embodiment, the servo motor 433 is fixedly installed in the mounting box 14 which is separately arranged on one side of the mounting shell 1. The mounting box 14 is made of heat insulation material to isolate the heat generated by the operation of the servo motor 433 outside the test assembly installation cavity 111 and the temperature control cavity 112, so as to avoid affecting the detection assembly in the test assembly installation cavity 111 and the temperature environment required for detection.

[0067] With reference to Figure 6 And Figure 7 The mounting shell 1 is fixedly installed with a mounting cover 15 which encloses the driven gear 431, the driving gear 432 and the servo motor 433 inside.

[0068] In order to prevent the driving unit 43 from affecting the temperature inside the temperature control cavity 112 when driving the rotating seat 45 to rotate, the driven gear 431, the driving gear 432 and the synchronous belt 434 of the driving unit 43 are all located outside the bottom of the installation shell 1. Therefore, in the embodiment, the mounting cover 15 is fixedly installed to enclose the driven gear 431, the driving gear 432 and the servo motor 433 inside, so as to ensure the stable transmission relationship between the driving unit 43 and the rotating seat 45.

[0069] With reference to Figures 4 to 6 The first heat dissipation assembly 3 further comprises a mounting table 32, which is arranged on the installation shell 1, and the first heat dissipation fan 31 is fixedly installed inside the mounting table 32. The bottom of the mounting table 32 is provided with a plurality of second exhaust holes 321, and the second exhaust holes 321 are communicated with the outside of the installation shell 1. The peripheral side of the mounting table 32 is provided with first air inlet holes 322, which are distributed at equal intervals around the peripheral side of the mounting table 32 and are communicated with the inside of the temperature control cavity 112 and the inside of the mounting table 32.

[0070] The bottom of the installation shell 1 is provided with a first exhaust hole 16 for heat dissipation of the temperature control cavity 112.

[0071] In the embodiment, the first heat dissipation fan 31 of the first heat dissipation assembly 3 is installed in the mounting table 32 arranged on the installation shell 1, and the air outlet end of the first heat dissipation fan 31 faces the outside of the installation shell 1. When the first heat dissipation fan 31 is started, air is sucked in through the first air inlet holes 322 on the peripheral side of the mounting table 32 and is discharged at the second exhaust holes 321 on the other end, so as to realize the air flow in the temperature control cavity 112. The heat in the temperature control cavity 112 can also be naturally dissipated through the first exhaust hole 16 on the bottom of the installation shell 1. The air discharged by the second heat dissipation fan 422 of the temperature adjusting assembly 4 through the air outlet hole 424 can also be discharged to the outside through the first exhaust hole 16. The first heat dissipation assembly 3 accelerates the heat dissipation in the temperature control cavity 112, and cooperates with the heating of the test component mounting cavity 111 by the first heating assembly 2 to keep the inside of the test component mounting cavity 111 at the required temperature for detection.

[0072] With reference to Figure 2 and Figure 4 The first heating assembly 2 comprises a plurality of first heating fins 21 and a heat conduction plate 22, and the first heating fins 21 are fixedly installed on the heat conduction plate 22. The side wall of the installation shell 1 is provided with a plurality of support pieces 17, and the heat conduction plate 22 is fixedly installed on the support pieces 17, and the heat conduction plate 22 is located on the upper side of the first heat dissipation fan 31.

[0073] The first heating assembly 2 in the embodiment is composed of a heat-conducting plate 22 and a plurality of first heating pieces 21 installed on the heat-conducting plate 22, the heat-conducting plate 22 can be made of ceramic or heat-conducting metal, the first heating pieces 21 can be ceramic heating pieces, the first heating pieces 21 heat the partition plate 11 to increase the temperature inside the test assembly mounting cavity 111, the first heat-dissipating assembly 3 cools the heat-conducting plate 22, the heat-conducting plate 22 conducts and dissipates the heat of the partition plate 11, improves the heat-dissipating efficiency of the first heat-dissipating assembly 3, the temperature sensor 44 of the temperature adjusting assembly 4 can calculate the temperature of the test assembly mounting cavity 111 at the position by detecting the temperature of a part of the heat-conducting plate 22 and the deviation of the heat-conducting efficiency, the heat-conducting plate 22 is supported by the support pieces 17 on the side wall of the installation shell 1, the support pieces 17 keep the heat-conducting plate 22 above the first heat-dissipating fan 31 of the first heat-dissipating assembly 3, and also ensure that the second heating unit 41, the second heat-dissipating unit 42 and the temperature sensor 44 do not rub against the heat-conducting plate 22 when the temperature adjusting assembly 4 moves.

[0074] The above embodiments only express one or several embodiments of the present application, the description is more specific and detailed, but it cannot be understood as the limitation of the patent scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A temperature control device for a blood gas analyzer, comprising a mounting housing (1), a first heating assembly (2) and a first heat dissipating assembly (3), characterized in that, The installation shell (1) is provided with a horizontal partition plate (11), the upper side of the partition plate (11) is a test component installation cavity (111), and the lower side of the partition plate (11) is a temperature control cavity (112); the detection component of the blood gas analyzer is installed in the test component installation cavity (111) on the upper side of the partition plate (11); The first heating component (2) is attached to the lower side of the partition plate (11), and the first heating component (2) heats the test component installation cavity (111) on the upper side of the partition plate (11); The first heat dissipation component (3) is arranged below the first heating component (2), the first heat dissipation component (3) comprises a plurality of first heat dissipation fans (31), and the first heat dissipation fans (31) dissipate heat at various positions below the first heating component (2); The temperature control cavity (112) is also provided with a temperature adjusting component (4), the first heat dissipation fans (31) are arranged around the circumferential side of the temperature adjusting component (4), the temperature adjusting component (4) comprises a second heating unit (41), a second heat dissipation unit (42) and a driving unit (43), the driving unit (43) drives the temperature adjusting component (4) to rotate, and the temperature adjusting component (4) drives the second heating unit (41) and the second heat dissipation unit (42) to move below the first heating component (2); The temperature adjusting component (4) further comprises a temperature sensor (44), the temperature sensor (44) detects the temperature of the moving path of the temperature adjusting component (4), and the temperature sensor (44) controls the second heating unit (41), the second heat dissipation unit (42) and the driving unit (43) through a controller (441); The installation shell (1) is provided with a plug-in hole (12) at the bottom, the first heat dissipation fans (31) are distributed at equal intervals around the axis of the plug-in hole (12), the plug-in hole (12) is provided with an annular limiting plate (13) on the circumferential side, and the axis of the annular limiting plate (13) is in the same straight line as the plug-in hole (12); The temperature adjusting component (4) further comprises a rotating seat (45), the rotating seat (45) is coaxially arranged in the annular limiting plate (13), the rotating seat (45) rotates around the axis of the plug-in hole (12), and the rotating seat (45) is plugged into the plug-in hole (12) through a shaft rod (451); The rotating seat (45) is fixedly installed with a second mounting plate (452) at the top, and the second heating unit (41), the second heat dissipation unit (42) and the temperature sensor (44) are fixedly installed on one end of the second mounting plate (452) away from the axis of the rotating seat (45); The first heating component (2) comprises a first heating sheet (21) and a heat conduction plate (22), the first heating sheet (21) has a plurality of first heating sheets (21), and the first heating sheet (21) is fixedly installed on the heat conduction plate (22); The side wall of the installation shell (1) is provided with a support sheet (17), the support sheet (17) has a plurality of support sheets (17), the heat conduction plate (22) is fixedly installed on the support sheet (17), and the heat conduction plate (22) is located on the upper side of the first heat dissipation fan (31).

2. A temperature control device for a blood gas analyzer according to claim 1, wherein The second heat dissipation unit (42) comprises a mounting bracket (421) fixedly installed at one end of the second mounting plate (452) away from the axis of the rotating seat (45); Both ends of the mounting bracket (421) are respectively provided with a second heat dissipation fan (422); The mounting bracket (421) is provided with an air inlet (423) at the air inlet end of the second heat dissipation fan (422), and is provided with an air outlet (424) at the air outlet end of the second heat dissipation fan (422).

3. A temperature control device for a blood gas analyzer according to claim 2, wherein The mounting bracket (421) is provided with a plug-in sleeve (425), and the plug-in sleeve (425) has a plurality of plug-in sleeves (425). The second heating unit (41) comprises a first mounting plate (411) provided with a plurality of plug-in rods (412) at the bottom, the plug-in rods (412) are inserted into the plug-in sleeves (425), and the top of the first mounting plate (411) is fixedly installed with a second heating sheet (413).

4. The temperature control device for a blood gas analyzer according to claim 2, wherein The rotating seat (45) is rotatably installed with a plurality of side pulleys (453) on the side, the rotating shafts of the side pulleys (453) are parallel to the rotating shaft of the rotating seat (45), and the side pulleys (453) are attached to the inner wall of the annular limiting plate (13). The rotating seat (45) is rotatably installed with a plurality of side pulleys (453) on the side, the rotating shafts of the side pulleys (453) are parallel to the rotating shaft of the rotating seat (45), and the side pulleys (453) are attached to the inner wall of the annular limiting plate (13).

5. The temperature control device for a blood gas analyzer according to claim 2, wherein The driving unit (43) comprises a driven gear (431), a driving gear (432), a servo motor (433) and a synchronous belt (434); The driven gear (431) is coaxially installed at the bottom of the shaft rod (451) of the rotating seat (45), and is located outside the mounting shell (1); The driving gear (432) is fixedly installed at the working end of the servo motor (433), and is in transmission connection with the driven gear (431) through the synchronous belt (434); The servo motor (433) is fixedly installed in the mounting box (14) on one side of the mounting shell (1), and the mounting box (14) is made of heat insulation material.

6. A temperature control device for a blood gas analyzer according to claim 5, wherein, The mounting shell (1) is fixedly installed with a mounting cover (15) at the bottom, and the driven gear (431), the driving gear (432) and the servo motor (433) are enclosed inside.

7. The temperature control device for a blood gas analyzer according to claim 1, wherein The first heat dissipation assembly (3) further comprises a mounting table (32) arranged on the mounting shell (1), and the first heat dissipation fan (31) is fixedly installed inside the mounting table (32); The bottom of the mounting table (32) is provided with a plurality of second air outlet holes (321), and the second air outlet holes (321) are in communication with the outside of the mounting shell (1); The side of the mounting table (32) is provided with a first air inlet hole (322), and the first air inlet hole (322) is distributed at equal intervals around the side of the mounting table (32) and is in communication with the inside of the temperature control cavity (112) and the inside of the mounting table (32).

8. The temperature control device for a blood gas analyzer according to claim 1, wherein The bottom of the mounting shell (1) is provided with a first air outlet hole (16) for heat dissipation of the temperature control cavity (112).

Citation Information

Patent Citations

  • Blood gas biochemical analyzer

    CN113406317A

  • Water tank cooling fan temperature control device of generator set

    CN214837299U