Double-channel oxygen analyzer
By introducing temperature control and filtration components into the oxygen analyzer, the problem of unstable electronic components in traditional oxygen analyzers under varying temperature conditions has been solved, resulting in stable detection results and extended service life.
Patent Information
- Application Number
- CN202520419739.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-11
AI Technical Summary
Traditional oxygen analyzers lack internal temperature control, which leads to unstable performance of electronic components in environments with large temperature variations, affecting the accuracy of test results.
It employs temperature control components, including a miniature compressor, condenser, and evaporator, and forms a temperature control system through temperature sensors and controllers to regulate the temperature of the analyzer body. It is also equipped with a filter component to purify the air, and an isolation layer and protective shell to reduce external interference.
Stable detection under different temperature environments has been achieved, which improves the accuracy of detection results and the service life of the device, and reduces the impact of external factors on the analyzer.
Smart Images
Figure CN223926403U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to oxygen analyzer technical field, more specifically, especially relate to a double -channel oxygen analyzer. BACKGROUND
[0002] In industrial production, environmental monitoring and medical and many other fields, the detection of oxygen content is very important. Oxygen analyzer as a kind of commonly used gas detection equipment, is widely used in the determination of oxygen concentration in various environments or substances;However, the traditional oxygen analyzer usually lacks the regulation of internal temperature;In some temperature changes larger working environment, if the internal temperature of the analyzer is not controlled, it is easy to lead to the instability of the performance of internal electronic components of the analyzer, and then affect the detection result, bring the erroneous basis of judgment to the relevant production, monitoring or medical work, may cause production accidents, environmental assessment failure or medical risk. CONTENT
[0003] In order to solve the above technical problems, the utility model provides a double -channel oxygen analyzer to solve the technical problem that the traditional oxygen analyzer usually lacks the regulation of internal temperature in the prior art.
[0004] The purpose and function of the double -channel oxygen analyzer of the utility model are achieved by the following specific technical means:
[0005] A double -channel oxygen analyzer, comprising an analyzer body and a protective box, the analyzer body is installed in the protective box, the protective box is provided with a temperature control assembly, the temperature control assembly comprises a micro -compressor and a condenser and evaporator, one side of the protective box is provided with a mounting frame, the micro -compressor and the condenser are installed on the mounting frame, the evaporator is located in the protective box, the protective box is provided with a controller and a temperature sensor, the controller is electrically connected with the micro -compressor and the temperature sensor, the protective box is also provided with a cover plate and a control panel, the control panel is located on the cover plate, the control panel is electrically connected with the analyzer body and the controller.
[0006] According to a preferred embodiment, the mounting frame is provided with an isolation layer, the isolation layer is made of polyurethane foam, the mounting frame is coated with a protective shell, the protective shell is provided with a heat dissipation hole, and the isolation layer is arranged on one side of the protective shell.
[0007] According to a preferred embodiment, the micro -compressor is installed on the mounting frame by bolts, and a damping gasket is sleeved on the bolt, and the mounting frame is also provided with a cooling fan, and the cooling fan faces the condenser.
[0008] According to a preferred embodiment, the micro-compressor is connected with the condenser and the evaporator through a pipeline, a throttling element and an electronic reversing valve are further arranged on the pipeline, the electronic reversing valve is electrically connected with the controller, and the throttling element and the electronic reversing valve are located in the mounting frame.
[0009] According to a preferred embodiment, a water pan corresponding to the evaporator is arranged in the protection box, and a drain pipeline is connected to the bottom of the water pan, penetrates through the side wall of the protection box and extends to the outside of the protection box.
[0010] According to a preferred embodiment, a filter assembly is arranged in the protection box, the filter assembly comprises a filter and a fan, and an air exchange opening is arranged on the protection box, and the filter and the fan are arranged in the air exchange opening.
[0011] According to a preferred embodiment, two sets of detection openings are arranged on the cover plate, and the two sets of detection openings are connected with the pipeline of the analyzer body.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] 1、The temperature control assembly is arranged, so that the user can control the temperature in the analyzer body, and the adaptability of the device under different temperature environments is improved.
[0014] 2、When the device is used, the user can purify the air entering the protection box through the filter assembly, so that the user does not need to worry about the damage of dust, impurities and the like to the analyzer body, and the protection performance of the device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a structure schematic view of the utility model after assembly.
[0016] Figure 2 is a structure schematic diagram after splitting of the utility model;
[0017] Figure 3 is Figure 2 the enlarged view of a region a in the middle;
[0018] Figure 4 is a filter assembly structure schematic diagram of the utility model.
[0019] In the figure, the corresponding relationship of component name and figure number is:
[0020] 11, analyzer body; 12, protection box; 13, miniature compressor; 14, condenser; 15, evaporator; 16, mounting frame; 17, isolation layer; 18, protective shell; 19, cooling fan; 21, controller; 22, temperature sensor; 23, cover plate; 24, detection port; 25, control panel; 26, water pan; 27, drainage pipeline; 28, filter; 29, fan; 31, electronic reversing valve; 32, shock pad; 33, throttling element. DETAILED DESCRIPTION
[0021] The embodiment of the utility model is further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the technical scheme of the utility model, but cannot be used to limit the protection scope of the utility model.
[0022] Example:
[0023] As Figures 1 to 4As shown, the utility model provides a kind of double pass oxygen analyzer, including analyzer body 11 and protection box 12, analyzer body 11 is installed in protection box 12, by the setting of the installation of analyzer body 11 in protection box 12, can provide physical protection for analyzer body 11, the durability of the device is improved, avoid its damage by external collision, dust, moisture and other factors.It is equipped with temperature control assembly on protection box 12, temperature control assembly includes miniature compressor 13 and condenser 14 and evaporator 15, by the setting of temperature control assembly, the temperature in protection box 12 can be adjusted, the ability of the device to adapt to different ambient temperature is improved, ensure that analyzer body 11 works at stable suitable temperature, to improve detection precision.One side of protection box 12 is equipped with mounting frame 16, miniature compressor 13 and condenser 14 are installed on mounting frame 16, by the setting of mounting frame 16, miniature compressor 13 and condenser 14 can be provided with installation base, evaporator 15 is located in protection box 12, evaporator 15 is arranged in protection box 12, by the setting of evaporator 15, the air in protection box 12 can be directly heat exchanged.Control 21 and temperature sensor 22 are equipped in protection box 12, controller 21 and temperature sensor 22 are arranged in protection box 12, by their setting, the temperature change in protection box 12 can be sensed and corresponding regulation and control are made.Controller 21 can adopt S7-200 SMART model controller, temperature sensor 22 can adopt DS18B20 model digital temperature sensor;Controller 21 and miniature compressor 13 and temperature sensor 22 are electrically connected, by the setting of the electrical connection of controller 21 and miniature compressor 13 and temperature sensor 22, temperature control system can be formed.Protection box 12 is also equipped with cover plate 23 and control panel 25, control panel 25 is located on cover plate 23, control panel 25 and analyzer body 11 and controller 21 are electrically connected.By the setting of control panel 25, convenient operation and monitoring interface can be provided for user, and the man-machine interactive experience of the device is improved.Control panel 25 can adopt TK6071 i P touch screen control panel.
[0024] As Figure 2 、 3As shown, the installation frame 16 is provided with an isolation layer 17, which is made of polyurethane foam. The setting of the isolation layer 17 can achieve heat and sound insulation, improve the heat preservation performance of the device, and reduce the interference of external noise on the operation of the equipment, thereby creating a more stable operating environment for the analyzer body 11. The installation frame 16 is covered with a protective shell 18, which is provided with heat dissipation holes. The isolation layer 17 is arranged on one side of the protective shell 18. The setting of the protective shell 18 and the heat dissipation holes can protect the internal components from physical damage from the outside, and the heat dissipation holes can also dissipate the heat generated during the operation of the equipment. The miniature compressor 13 is installed on the installation frame 16 by means of bolts, and a shock-absorbing gasket 32 is arranged on the bolts. The setting of the bolts and the shock-absorbing gasket 32 can install the miniature compressor 13 and reduce the transmission of vibration generated during its operation, thereby improving the stability of the operation of the device. The installation frame 16 is also provided with a cooling fan 19, which faces the condenser 14. The setting of the cooling fan 19 can accelerate the heat dissipation process of the condenser 14.
[0025] The miniature compressor 13, the condenser 14 and the evaporator 15 are connected by pipelines, which are also provided with a throttling element 33 and an electronic reversing valve 31. The electronic reversing valve 31 is electrically connected to the controller 21, and the throttling element 33 and the electronic reversing valve 31 are located in the installation frame 16. The miniature compressor 13, the condenser 14 and the evaporator 15 are connected by pipelines, which are also provided with a throttling element 33 and an electronic reversing valve 31. The electronic reversing valve 31 is electrically connected to the controller 21. Through these settings, the flow and flow direction of the refrigerant can be controlled, thereby improving the adjustment of the temperature control system of the device. The electronic reversing valve 31 can be an ASCO 238 type electronic reversing valve, and the throttling element 33 can be a TE series thermal expansion valve. The bottom of the protective box 12 is provided with a water pan 26 corresponding to the evaporator 15, and the bottom of the water pan 26 is connected to a drainage pipeline 27. The drainage pipeline 27 penetrates through the side wall of the protective box 12 and extends to the outside of the protective box 12. Through the setting of the water pan 26 and the drainage pipeline 27, the condensed water generated by the evaporator 15 can be collected and discharged, thereby improving the dryness of the internal environment of the device and avoiding damage to the internal equipment caused by condensed water.
[0026] As shown in Figure 2 , 4 , the protective box 12 is provided with a filter assembly, which includes a filter 28 and a fan 29. The protective box 12 is provided with an air inlet, and the filter 28 and the fan 29 are installed in the air inlet. Through the setting of the filter assembly, the air entering the protective box 12 can be purified, thereby improving the cleanliness of the air in the device and preventing dust and other impurities from damaging the analyzer body 11.
[0027] The cover plate 23 is provided with two sets of detection ports 24, which are connected to the pipelines of the analyzer body 11. Through the setting of the detection ports 24, the connection of the detection sample can be facilitated.
[0028] The specific use mode and role of the embodiment are as follows:
[0029] In use, the analyzer body 11 is placed in the protection box 12, and the installation is ensured to be stable. According to the actual use scene, the protection box 12 is placed in a suitable position. The miniature compressor 13 and the condenser 14 are fixed on the mounting frame 16 by bolts, the shock pads 32 are sleeved on the bolts and tightened, and the cooling fan 19 is installed on the mounting frame 16 and faces the condenser 14. The evaporator 15 is placed in the corresponding position in the protection box 12, the miniature compressor 13, the condenser 14 and the evaporator 15 are connected by pipelines, the throttling element 33 and the electronic reversing valve 31 are installed on the pipelines, and the electronic reversing valve 31 is electrically connected with the controller 21. The controller 21 and the temperature sensor 22 are installed in the protection box 12, and it is ensured that the electrical connection between them and the miniature compressor 13 is normal. The isolation layer 17 made of polyurethane foam material is laid in the mounting frame 16, and then the protective shell 18 is covered, and the cooling holes on the protective shell 18 are ensured to be unobstructed.
[0030] Then the power is turned on, and the equipment is started. The temperature sensor 22 starts to monitor the temperature in the protection box 12, and feeds back the temperature signal to the controller 21. When the temperature in the protection box 12 is higher or lower than the suitable working temperature range of the analyzer body 11, the controller 21 controls the working of the miniature compressor 13, the electronic reversing valve 31 and the throttling element 33 according to the preset program. The miniature compressor 13 compresses the refrigerant, which is liquefied by heat dissipation in the condenser 14, and after pressure reduction through the throttling element 33, is gasified by heat absorption in the evaporator 15, so as to realize refrigeration or heating of the air in the protection box 12, thereby adjusting the internal temperature. The fan 29 is started, and the external air is sucked in through the air inlet. The air first passes through the filter 28, which filters the dust, impurities and the like in the air, and the purified air enters the protection box 12 to replace the internal air and keep the air in the box fresh. The condensed water generated in the working process of the evaporator 15 will drip into the water pan 26 below. The drain pipe 27 connected at the bottom of the water pan 26 guides the condensed water to the outside of the protection box 12 for drainage.
[0031] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments.
Claims
1. A dual-channel oxygen analyzer, comprising an analyzer body (11) and a protective casing (12), wherein the analyzer body (11) is installed inside the protective casing (12), characterized in that: The protective box (12) is equipped with a temperature control component, which includes a micro compressor (13), a condenser (14), and an evaporator (15). A mounting frame (16) is provided on one side of the protective box (12). The micro compressor (13) and the condenser (14) are mounted on the mounting frame (16). The evaporator (15) is located inside the protective box (12). A controller (21) and a temperature sensor (22) are provided inside the protective box (12). The controller (21) is electrically connected to the micro compressor (13) and the temperature sensor (22). A cover plate (23) and a control panel (25) are also provided inside the protective box (12). The control panel (25) is located on the cover plate (23). The control panel (25) is electrically connected to the analyzer body (11) and the controller (21).
2. The dual-channel oxygen analyzer according to claim 1, characterized in that: The mounting frame (16) is provided with an isolation layer (17) made of polyurethane foam. The mounting frame (16) is covered with a protective shell (18) with heat dissipation holes. The isolation layer (17) is located on one side of the protective shell (18).
3. A dual-channel oxygen analyzer according to claim 2, characterized in that: The micro compressor (13) is mounted on the mounting frame (16) by bolts, and the bolts are fitted with shock-absorbing pads (32). The mounting frame (16) is also provided with a cooling fan (19) facing the condenser (14).
4. A dual-channel oxygen analyzer according to claim 3, characterized in that: The micro compressor (13) is connected to the condenser (14) and the evaporator (15) via a pipe. The pipe is also equipped with a throttling element (33) and an electronic reversing valve (31). The electronic reversing valve (31) is electrically connected to the controller (21). The throttling element (33) and the electronic reversing valve (31) are located within the mounting frame (16).
5. A dual-channel oxygen analyzer according to claim 4, characterized in that: Inside the protective box (12), a water receiving tray (26) is provided below the evaporator (15). The bottom of the water receiving tray (26) is connected to a drain pipe (27). The drain pipe (27) passes through the side wall of the protective box (12) and extends to the outside of the protective box (12).
6. A dual-channel oxygen analyzer according to claim 1, characterized in that: The protective box (12) is equipped with a filter assembly, which includes a filter (28) and a fan (29). The protective box (12) has an air exchange port, and the filter (28) and the fan (29) are installed in the air exchange port.
7. A dual-channel oxygen analyzer according to claim 6, characterized in that: The cover plate (23) is provided with two sets of detection ports (24), and the two sets of detection ports (24) are connected to the analyzer body (11) via pipes.