Constant-temperature dehumidification device based on air environment quality detection sensor
By designing a constant temperature dehumidification device based on air environment quality detection sensor, the problem of low measurement accuracy of outdoor microenvironment detection system in high temperature and high humidity environments is solved, and the constant temperature and multi-layer dehumidification functions are realized, ensuring high-precision measurement of gas sensors.
Patent Information
- Application Number
- CN202421625258.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-10
AI Technical Summary
In high-temperature, low-temperature and high-humidity environments, the measurement accuracy of gas sensors is affected. The existing technology mainly considers the heating problem in cold weather, and has failed to effectively solve the high-humidity problem in summer high-temperature, rainy and foggy weather.
A constant temperature dehumidification device based on air environment quality detection sensor is designed, including a constant temperature box, a gas sensor, a control module, a primary and secondary intake air temperature control dehumidification mechanism, a heating membrane, a heat sink, a refrigeration plate and an air filter. Through the coordinated work of these components, constant temperature and dehumidification functions are achieved.
The device can maintain constant temperature in different weather environments, avoid the measurement accuracy of the gas sensor being affected by humidity, and improve the dryness of the air through a multi-layer dehumidification mechanism to ensure high-precision measurement of the sensor.
Smart Images
Figure CN222850590U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of constant temperature dehumidification, in particular to a constant temperature dehumidification device based on an air environment quality detection sensor. Background Art
[0002] The outdoor micro-environment detection system will inevitably face bad weather. In high temperature, low temperature and high humidity environments, the measurement accuracy of the gas sensor will be greatly affected. Most products only consider the heating problem in cold weather, but do not consider the high temperature in summer and the high humidity in rainy and foggy weather. This device has developed a constant temperature dehumidification device based on air environment quality detection sensors to address the above situations. Utility Model Content
[0003] In view of the deficiencies of the prior art, the utility model provides a constant temperature dehumidification device based on an air environment quality detection sensor, which solves the problems raised by the above-mentioned background technology.
[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a constant temperature dehumidification device based on an air environment quality detection sensor, comprising a constant temperature box, a main board is fixed inside the constant temperature box, a gas sensor and a control module are fixed on the front surface of the main board, a two-level air intake temperature control and dehumidification mechanism is arranged on the right side of the constant temperature box, the two-level air intake temperature control and dehumidification mechanism comprises a stainless steel pipe and an insulation sleeve, the insulation sleeve is arranged on the outside of the stainless steel pipe, an air filter is plugged on the top of the stainless steel pipe, a first-level air intake temperature control and dehumidification mechanism is arranged above the air filter, the first-level air intake temperature control and dehumidification mechanism comprises an outer pipe and an inner pipe, the inner pipe is located inside the outer pipe, an air pump is arranged below the constant temperature box, an air outlet is fixed at the bottom of the inner pipe, the air pump and the constant temperature box, the constant temperature box and the stainless steel pipe, and the air filter and the air outlet are all connected by silicone tubes, and an air outlet pipe is fixed on the right side of the air pump.
[0005] Preferably, a heating film is fixed to the inner rear surface of the door of the thermostatic box, a door heat sink is provided in front of the heating film, the door heat sink and the door of the thermostatic box are fixedly connected, an inner heat sink is fixed to the inside of the thermostatic box, a fan is fixed to the top of the inner heat sink, an outer heat sink is fixed to the bottom of the thermostatic box, and cooling fins are provided below the inner heat sink and above the outer heat sink.
[0006] Preferably, heating belts are provided on the outside of the inner tube and the stainless steel tube, and thermal insulation cotton is fixed on the inner wall of the outer tube. The two heating belts are respectively located on the inner sides of the thermal insulation sleeve and the thermal insulation cotton. The outer wall of the inner tube is located below the upper heating belt and the outer wall of the stainless steel tube is located below the upper heating belt. Temperature sensors are provided on the front surface of the heating film, the interior of the constant temperature box and the inner tube.
[0007] Preferably, an air inlet is fixed on the top of the outer tube, a dustproof net is fixed inside the air inlet, and temperature and humidity sensors are provided inside the air outlet and inside the constant temperature box.
[0008] Preferably, the air filter comprises a shell, a sealing cover is screwed on the top of the shell, a fixing ring is fixed inside the shell, a cylinder is fixed inside the fixing ring, an annular groove is opened inside the cylinder, a plurality of spoilers are fixed inside the annular groove, a silica gel desiccant is arranged inside the annular groove, and a filter element is arranged inside the cylinder.
[0009] Preferably, both the inner wall and the outer wall of the cylinder are provided with vents, a partition is fixed inside the annular groove between the two vents, and a ventilation net is fixed inside the vents.
[0010] Beneficial Effects
[0011] The utility model provides a constant temperature dehumidification device based on an air environment quality detection sensor.
[0012] Compared with the prior art, it has the following beneficial effects:
[0013] 1. The constant temperature dehumidification device based on the air environment quality detection sensor sets a first-level air intake temperature control and dehumidification mechanism and a second-level air intake temperature control and dehumidification mechanism, starts the air pump, and the air pump starts to discharge the gas inside the constant temperature box, so that the external air enters the inner tube from the air inlet, and then enters the air outlet. The temperature and humidity sensor inside the air outlet senses the temperature and humidity of the air. If the air humidity is high, the control module starts the heating belt to heat and dehumidify the air in the inner tube. Then the gas is filtered through the air filter, and then enters the second-level air intake temperature control and dehumidification mechanism to continue heating and dehumidification, and finally enters the interior of the constant temperature box. In this way, the measurement accuracy of the gas sensor is prevented from being affected by humidity. When the heating belt is heated, the temperature sensor will monitor the temperature of the heating belt for protection to prevent the temperature from being too high.
[0014] 2. The constant temperature dehumidification device based on the air environment quality detection sensor is equipped with a heating film, a door heat sink, a heat sink inside the box, a cooling fin, a fan and a heat sink outside the box. The heating film is attached to the door heat sink to improve the heat dissipation efficiency. When the temperature inside the constant temperature box is lower than the set temperature, the control module starts the heating film to heat; when the temperature inside the constant temperature box is higher than the set temperature, the control module starts the cooling fin and the fan. The cooling fin cools, and the fan blows the cold air from the cooling fin to cool down, thereby maintaining the temperature inside the constant temperature box.
[0015] 3. The constant temperature dehumidification device based on the air environment quality detection sensor is provided with an air filter. The gas enters the interior of the cylinder, is filtered by the filter element, and enters the annular groove from the internal air vent. The gas flows inside the annular groove, and the silica gel desiccant adsorbs the moisture inside the air. The adsorbed air is discharged from the outer air vent, enters the outer shell, and then enters the secondary air intake temperature control dehumidification mechanism, so that the air is further dehumidified. A plurality of spoilers are provided inside the annular groove, so that the flow time of the air inside the annular groove is increased, and the adsorption effect of the silica gel desiccant is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the air filter in the utility model;
[0018] Figure 3 It is a structural schematic diagram of the housing in the utility model;
[0019] Figure 4 It is a schematic diagram of the structure inside the cylinder in the utility model;
[0020] Figure 5 It is a schematic cross-sectional structural diagram of the cylinder in the utility model.
[0021] In the figure: 1. Constant temperature box; 2. Control module; 3. Main board; 4. Gas sensor; 5. Heating film; 6. Heat sink of box door; 7. Air pump; 8. Exhaust pipe; 9. Heat sink outside the box; 10. Heat sink inside the box; 11. Fan; 12. Refrigeration sheet; 13. Ring groove; 14. Temperature and humidity sensor; 15. Stainless steel pipe; 16. Insulation sleeve; 17. Air filter; 18. Silicone tube; 19. Air outlet; 20. Temperature sensor; 21. First-stage air intake temperature control and dehumidification mechanism; 22. Heating belt; 23. Outer tube; 24. Insulation cotton; 25. Dustproof net; 26. Outer shell; 27. Sealing cover; 28. Air inlet; 29. Cylinder; 30. Fixing ring; 31. Filter element; 32. Air vent; 33. Silica gel desiccant; 34. Ventilation net; 35. Inner tube; 36. Partition; 37. Spoiler; 38. Second-stage air intake temperature control and dehumidification mechanism. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-5 The utility model provides a technical solution: a constant temperature dehumidification device based on an air environment quality detection sensor, comprising a constant temperature box 1, a main board 3 is fixed inside the constant temperature box 1, a gas sensor 4 and a control module 2 are fixed on the front surface of the main board 3, a two-stage air intake temperature control and dehumidification mechanism 38 is arranged on the right side of the constant temperature box 1, the two-stage air intake temperature control and dehumidification mechanism 38 comprises a stainless steel pipe 15 and a heat preservation sleeve 16, the heat preservation sleeve 16 is sleeved on the outside of the stainless steel pipe 15, an air filter 17 is plugged on the top of the stainless steel pipe 15, a first-stage air intake temperature control and dehumidification mechanism 21 is arranged above the air filter 17, the first-stage air intake temperature control and dehumidification mechanism 21 comprises an outer pipe 23 and an inner pipe 35, the inner pipe 35 is located inside the outer pipe 23, an air pump 7 is arranged below the constant temperature box 1, an air outlet 19 is fixed at the bottom of the inner pipe 35, between the air pump 7 and the constant temperature box 1, between the constant temperature box 1 and the stainless steel pipe 15, and between the air filter 17 and the air outlet 19 are connected by a silicone tube 18, an air outlet pipe 8 is fixed to the right side of the air pump 7, a heating film 5 is fixed to the inner rear surface of the door of the thermostatic box 1, a door heat sink 6 is arranged in front of the heating film 5, the door heat sink 6 and the door of the thermostatic box 1 are fixedly connected, an inner heat sink 10 is fixed to the inside of the thermostatic box 1, a fan 11 is fixed on the top of the inner heat sink 10, an outer heat sink 9 is fixed to the bottom of the thermostatic box 1, a cooling fin 12 is arranged below the inner heat sink 10 and above the outer heat sink 9, the heating film 5 is attached to the door heat sink 6 to improve the heat dissipation efficiency, when the temperature in the thermostatic box 1 is lower than the set temperature, the control module 2 starts the heating film 5 for heating; when the temperature in the thermostatic box 1 is higher than the set temperature, the control module 2 starts the cooling fin 12 and the fan 11, the cooling fin 12 cools, and the fan 11 blows the cold air of the cooling fin 12 to cool down, which maintains the temperature inside the thermostatic box 1.
[0024] Furthermore, the outer sides of the inner tube 35 and the stainless steel tube 15 are provided with a heating belt 22, the inner side wall of the outer tube 23 is fixed with a heat-insulating cotton 24, the two heating belts 22 are respectively located on the inner sides of the heat-insulating sleeve 16 and the heat-insulating cotton 24, the outer side wall of the inner tube 35 is located below the upper heating belt 22 and the outer side wall of the stainless steel tube 15 is located below the upper heating belt 22 and the front surface of the heating film 5 are provided with a temperature sensor 20, the interior of the thermostatic box 1 and the inner tube 35, the top of the outer tube 23 is fixed with an air inlet 28, the interior of the air inlet 28 is fixed with a dustproof net 25, the interior of the air outlet 19 and the interior of the thermostatic box 1 are provided with a temperature and humidity sensor 14, the air pump 7 is started, and the air pump 7 starts to discharge the gas inside the thermostat 1, so that the external air enters the inner tube 35 from the air inlet 28, and then enters the air outlet 19. The temperature and humidity sensor 14 inside the air outlet 19 senses the temperature and humidity of the air. If the air humidity is high, the control module 2 starts the heating belt 22 to heat and dehumidify the air in the inner tube 35. Then the gas is filtered through the air filter 17, and then enters the secondary air intake temperature control and dehumidification mechanism 38 to continue heating and dehumidification, and finally enters the interior of the thermostat 1. In this way, the measurement accuracy of the gas sensor 4 is prevented from being affected by humidity. When the heating belt 22 is heated, the temperature sensor 20 will monitor the temperature of the heating belt 22 for protection to prevent the temperature from being too high.
[0025] Furthermore, the air filter 17 includes a housing 26, a sealing cover 27 is screwed to the top of the housing 26, a fixing ring 30 is fixed inside the housing 26, a cylinder 29 is fixed inside the fixing ring 30, an annular groove 13 is provided inside the cylinder 29, a plurality of spoilers 37 are fixed inside the annular groove 13, a silica gel desiccant 33 is provided inside the annular groove 13, a filter element 31 is provided inside the cylinder 29, vents 32 are provided on the inner and outer walls of the cylinder 29, a partition 36 is fixed inside the annular groove 13 between the two vents 32, and the vents 32 are provided on the inner and outer walls of the annular groove 13. 2 is fixed with a ventilation net 34, the gas enters the interior of the cylinder 29, is filtered by the filter element 31, and enters the annular groove 13 from the internal ventilation port 32, flows inside the annular groove 13, and the silica gel desiccant 33 adsorbs the moisture inside the air, and the adsorbed air is discharged from the outer ventilation port 32, enters the housing 26, and then enters the secondary air intake temperature control dehumidification mechanism 38, so that the air is further dehumidified, and a plurality of spoilers 37 are arranged inside the annular groove 13, so as to increase the flow time of the air inside the annular groove 13 and improve the adsorption effect of the silica gel desiccant 33.
[0026] During operation, the air pump 7 is started, and the air pump 7 begins to discharge the gas inside the thermostat 1, so that the external air enters the inner tube 35 from the air inlet 28, and then enters the air outlet 19. The temperature and humidity sensor 14 inside the air outlet 19 senses the temperature and humidity of the air. If the air humidity is high, the control module 2 starts the heating belt 22 to heat and dehumidify the air in the inner tube 35. The gas is then filtered through the air filter 17, and then enters the secondary air intake temperature control and dehumidification mechanism 38 to continue heating and dehumidification, and finally enters the interior of the thermostat 1. This prevents the measurement accuracy of the gas sensor 4 from being affected by humidity. When the heating belt 22 is heated, the temperature sensor 20 will monitor the temperature of the heating belt 22 for protection to prevent the temperature from being too high.
[0027] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".
[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A constant temperature dehumidification device based on an air environment quality detection sensor, comprising a constant temperature box (1), characterized in that: A main board (3) is fixed inside the thermostatic box (1), a gas sensor (4) and a control module (2) are fixed on the front surface of the main board (3), a secondary air intake temperature control and dehumidification mechanism (38) is provided on the right side of the thermostatic box (1), the secondary air intake temperature control and dehumidification mechanism (38) comprises a stainless steel pipe (15) and a heat preservation sleeve (16), the heat preservation sleeve (16) is sleeved on the outside of the stainless steel pipe (15), an air filter (17) is plugged into the top of the stainless steel pipe (15), and a primary air intake temperature control and dehumidification mechanism (21) is provided above the air filter (17). The first-stage air intake temperature control and dehumidification mechanism (21) comprises an outer tube (23) and an inner tube (35), wherein the inner tube (35) is located inside the outer tube (23), an air pump (7) is provided below the thermostatic box (1), an air outlet (19) is fixed at the bottom of the inner tube (35), the air pump (7) and the thermostatic box (1), the thermostatic box (1) and the stainless steel tube (15), and the air filter (17) and the air outlet (19) are all connected via a silicone tube (18), and an air outlet pipe (8) is fixed on the right side of the air pump (7).
2. A constant temperature dehumidification device based on an air environment quality detection sensor according to claim 1, characterized in that: A heating film (5) is fixed to the inner rear surface of the door of the thermostatic box (1), a door heat sink (6) is provided in front of the heating film (5), the door heat sink (6) and the door of the thermostatic box (1) are fixedly connected, an inner heat sink (10) is fixed inside the thermostatic box (1), a fan (11) is fixed on the top of the inner heat sink (10), an outer heat sink (9) is fixed to the bottom of the thermostatic box (1), and cooling fins (12) are provided below the inner heat sink (10) and above the outer heat sink (9).
3. A constant temperature dehumidification device based on an air environment quality detection sensor according to claim 2, characterized in that: The outer sides of the inner tube (35) and the stainless steel tube (15) are both provided with heating belts (22), the inner side wall of the outer tube (23) is fixed with thermal insulation cotton (24), the two heating belts (22) are respectively located on the inner sides of the thermal insulation sleeve (16) and the thermal insulation cotton (24), the outer side wall of the inner tube (35) is located below the upper heating belt (22) and the outer side wall of the stainless steel tube (15) is located below the upper heating belt (22), and the front surface of the heating film (5) is provided with a temperature sensor (20), the interior of the constant temperature box (1) and the inner tube (35).
4. A constant temperature dehumidification device based on an air environment quality detection sensor according to claim 3, characterized in that: An air inlet (28) is fixed at the top of the outer tube (23), a dustproof net (25) is fixed inside the air inlet (28), and temperature and humidity sensors (14) are provided inside the air outlet (19) and inside the thermostatic box (1).
5. A constant temperature dehumidification device based on an air environment quality detection sensor according to claim 4, characterized in that: The air filter (17) comprises a shell (26), a sealing cover (27) is screwed on the top of the shell (26), a fixing ring (30) is fixed inside the shell (26), a cylinder (29) is fixed inside the fixing ring (30), an annular groove (13) is provided inside the cylinder (29), a plurality of spoilers (37) are fixed inside the annular groove (13), a silica gel desiccant (33) is provided inside the annular groove (13), and a filter element (31) is provided inside the cylinder (29).
6. A constant temperature dehumidification device based on an air environment quality detection sensor according to claim 5, characterized in that: The inner wall and the outer wall of the cylinder (29) are both provided with vents (32), a partition plate (36) is fixed inside the annular groove (13) between the two vents (32), and a vent net (34) is fixed inside the vents (32).