CN216484870U - Diffusion type ozone monitoring device with forced ventilation function - Google Patents
Diffusion type ozone monitoring device with forced ventilation function Download PDFInfo
- Publication number
- CN216484870U CN216484870U CN202122673074.XU CN202122673074U CN216484870U CN 216484870 U CN216484870 U CN 216484870U CN 202122673074 U CN202122673074 U CN 202122673074U CN 216484870 U CN216484870 U CN 216484870U
- Authority
- CN
- China
- Prior art keywords
- casing
- monitoring device
- forced ventilation
- waterproof heat
- ozone monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a diffusion type ozone monitoring device with a forced ventilation function, which comprises a support and a detection device arranged on the support, wherein the detection device comprises a casing arranged on the support, a circuit board arranged in the casing and a sensor used for detecting the concentration of ozone, the lower end of the casing is provided with a ventilation hole communicated with the inside of the casing, the side wall of the casing is provided with at least one exhaust fan communicated with the inside of the casing, and the exhaust fan and the sensor are respectively and electrically connected with the circuit board. The utility model ensures that the air in the shell and the outside air keep full circulation by arranging the exhaust fan on the shell, thereby improving the response time and the measurement precision of the sensor.
Description
Technical Field
The utility model relates to the technical field of air ozone electrochemical principle monitoring, in particular to a diffusion type ozone monitoring device with a forced ventilation function.
Background
The air ozone electrochemical principle monitoring generally comprises two detection modes, namely a diffusion mode and a pump suction mode, wherein the two detection modes have advantages and disadvantages respectively. The pump suction type ozone detector is provided with an air pump, and the air in an area to be detected is pumped, sampled and detected by the air pump, so that the ozone concentration is obtained. Diffusion formula ozone detection device is direct to the gaseous detection of natural condition, does not need air pump and gas circuit, does not have extra absorption, decomposition influence, and stable atmospheric pressure also can not cause the sensor to measure the deviation to structural complexity and cost all are less than the pump suction formula, but response speed is less than the pump suction formula, and is difficult to carry out dry clean preliminary treatment to the gas that awaits measuring. No matter diffusion type or pump suction type detection is adopted, an electrochemical sensor is very sensitive to temperature, the temperature in an outdoor case under sunlight is high, and the sensor fails due to overhigh working environment temperature.
The existing diffusion type ozone monitoring device generally comprises a sensor, a circuit board and a casing, the diffusion type ozone monitoring device generally works outdoors, the sensor is generally arranged in the casing for water and dust prevention and the like, a ventilation device is not arranged, and when the environment temperature and humidity are high and the air flowability is poor, the monitoring data is inaccurate; the electrochemical sensor utilizes the electrolyte in the sensor and the detected gas in the air to generate oxidation/reduction reaction, and the concentration of the detected gas is obtained through inversion of reaction voltage or current. When the gas humidity is large, the oxidation/reduction reaction of the sensor electrolyte and the gas to be measured is abnormal, resulting in abnormal gas concentration measurement. Too poor gas flow can result in decreased concentrations of gases participating in the chemical reaction, lower measured concentrations and hysteresis.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a diffusion type ozone monitoring device with a forced ventilation function, which ensures that the air in the machine shell is kept to be fully circulated with the outside air by arranging the exhaust fan on the machine shell, and improves the response time and the measurement accuracy of the sensor.
In order to solve the technical problems, the utility model provides a diffusion type ozone monitoring device with a forced ventilation function, which comprises a support and a detection device arranged on the support, wherein the detection device comprises a casing arranged on the support, a circuit board arranged in the casing and a sensor used for detecting ozone concentration, the lower end of the casing is provided with a vent hole communicated with the inside of the casing, the side wall of the casing is provided with at least one exhaust fan communicated with the inside of the casing, and the exhaust fan and the sensor are respectively and electrically connected with the circuit board.
Further, diffusion formula ozone monitoring devices still includes that the cover is located the outside waterproof heat exchanger that separates of casing.
Further, the cross section of the waterproof heat insulation cover is of a U-shaped structure with a downward opening.
Further, the inner diameter of the waterproof heat insulation cover is larger than the outer diameter of the machine shell, so that a channel for air to flow is formed between the waterproof heat insulation cover and the machine shell.
Further, the lower extreme of waterproof heat exchanger that separates is equipped with the holding tank, the casing is located in the holding tank.
Further, the lower end of the waterproof heat insulation cover is lower than the lower end of the machine shell.
Further, the casing includes upper cover and lower cover of suit each other, just be formed with between upper cover and the lower cover and hold the appearance chamber of circuit board and sensor, the suction fan is located the lateral wall of upper cover, the ventilation hole runs through and locates the lower extreme of lower cover.
Further, the upper cover with the support passes through the screw fixation, just waterproof heat exchanger is last to be equipped with the confession the via hole that the screw passed.
Furthermore, the middle of the upper cover is provided with a plurality of threaded holes matched with the screws one by one, and the waterproof heat shield is provided with the through holes at the positions corresponding to the threaded holes.
Furthermore, two symmetrically arranged exhaust fans are arranged on the side wall of the casing.
Furthermore, an air drying and cleaning device for air to pass through is arranged at the ventilation hole.
The utility model has the following beneficial effects:
according to the utility model, the exhaust fan is arranged on the casing, so that external air continuously and fully flows upwards into the casing to reach the sensing surface of the sensor, and the ozone molecules sink under the disturbance-free condition due to the fact that the relative molecular mass of the ozone molecules is larger than that of the air, so that the contact and reaction of the ozone molecules and the sensor can be effectively improved by the exhaust fan, and the response time and the measurement accuracy of the sensor are further improved; the air circulation is accelerated by the exhaust fan, the temperature in the shell can be effectively reduced, the temperature of the sensor is reduced, and the sensor is ensured to work in a normal temperature environment; the waterproof heat insulation cover is covered outside the casing, the lower edge of the waterproof heat insulation cover is lower than the casing, raindrops can be prevented from entering the casing under the action of cross wind, in addition, the cavity between the waterproof heat insulation cover and the casing isolates the heat radiation of sunshine to the casing, the exhaust fan directly blows wind to the waterproof heat insulation cover to accelerate the heat dissipation and cooling of the cover body, the sensor can be guaranteed to work at the natural environment temperature in many aspects, the normal work of the sensor is guaranteed, and the service life of the sensor is prolonged; the air drying and cleaning device at the bottom of the machine shell filters and dehumidifies the passing air, so that the phenomenon that impurities and water vapor in the air are adsorbed to the sensing surface of the sensor to cause inaccurate measurement is avoided; the upper cover and the lower cover of the machine shell adopt a concave-convex embedded structure, and are sealed by silica gel, so that when the exhaust fan works, external air only enters through the vent hole at the bottom.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of a diffusion type ozone monitoring device having a forced ventilation function in an embodiment;
FIG. 2 is a sectional view of the detecting unit in the embodiment;
FIG. 3 is a side view of the housing of the embodiment;
FIG. 4 is a top view of the housing of the embodiment;
FIG. 5 is a bottom view of the housing of the embodiment;
fig. 6 is an exploded view of an air drying and cleaning device provided at a vent hole in other embodiments.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
Examples
As shown in fig. 1-6, the diffusion type ozone monitoring device with forced ventilation function shown in this embodiment includes a right-angle hollow support 1 and a detection device 10 disposed on the support, the support is internally hollow and is used for cable routing arrangement, the detection device 10 includes a casing 2 disposed on the support 1, a circuit board 3 disposed in the casing 2 and fixed by screws, and a sensor 4 for detecting ozone concentration, the sensor is an ozone concentration sensor, the circuit board 3 is electrically connected with the sensor 4, the circuit board 3 is electrically connected with the outside by cables in the support, the lower end of the casing 2 is provided with a vent hole 20 communicated with the inside of the casing, the casing utilizes the vent hole to enter air and contact and react with the sensor, so as to achieve the purpose of detection, two symmetrically disposed suction fans 5 communicated with the inside of the casing 1 are disposed on the side wall of the casing 1, the air is pumped outwards by the air pumping fan, so that the shell forms a circular flow structure with air outlet at the air inlet side at the bottom, the air is dispersed and circulated more uniformly by the symmetrically arranged air pumping fans, the air pumping fan 5 is electrically connected with the circuit board 3, and the work of the air pumping fan is controlled by the circuit board.
In the aforesaid, through set up the extraction fan on the casing, make in the casing keep abundant circulation with external air, form air cycle, because the ozone molecule is heavier, the extraction fan can effectively improve the reaction of oxygen molecule and sensor, and then has improved the response time and the measurement accuracy of sensor, and the effective circulation of air still can reduce the temperature in the casing in addition and for the sensor cooling.
In this embodiment, this diffusion formula ozone monitoring devices still locates casing 2 outside waterproof heat exchanger 6 including the cover, waterproof heat exchanger 6's cross-section is the U-shaped structure that the opening faces down, waterproof heat exchanger that separates locates the casing outside from top to bottom promptly, waterproof heat exchanger 6's lower extreme is equipped with holding tank 61, casing 2 is located in the holding tank 61, utilize it to avoid the rainwater to pass through in the extractor fan department gets into the casing, play waterproof effect, waterproof heat exchanger 6's lower extreme is less than casing 2's lower extreme, ensure water-proof effects.
Specifically, the waterproof heat shield 6 has an inner diameter larger than an outer diameter of the casing 1 so that a passage 7 for air to flow is formed between the waterproof heat shield 6 and the casing 1, so that the air pumped by the suction fan is discharged outside through the passage 7.
Specifically, casing 2 includes upper cover 21 and lower cover 22 of mutual suit, and both preferably adopt the tip to be the cooperation mosaic structure of boss and recess, utilize the design of suit, make things convenient for dismouting between them, and be formed with the appearance chamber 23 that holds circuit board 3 and sensor 4 between upper cover 21 and the lower cover 22, and the lateral wall of upper cover 21 is located to extraction fan 5, and ventilation hole 20 runs through the lower extreme of locating lower cover 22.
Specifically, the upper cover 21 and the bracket 1 are fixed by screws, and the waterproof heat shield 6 is provided with through holes (not shown in the figure) for the screws to pass through; be equipped with a wire hole 24 that supplies the cable to pass and four screw holes 25 that encircle wire hole 24 and set up in the centre of upper cover 21, hollow structure intercommunication in wire hole 24 and the support, waterproof heat shield 6 is equipped with the via hole in the position department that corresponds screw hole 25, waterproof heat shield is also corresponding in the position that corresponds the wire hole and is equipped with the wire hole, still be equipped with on support 1 with casing 2 fixed connection stationary blade 11, the screw passes stationary blade 11 in proper order like this, waterproof heat shield 6 and with the screw hole connection of covering fixedly, realize the support, waterproof heat shield and casing three's connection is fixed.
In other embodiments, an air drying and cleaning device, preferably an inert filter 8, is provided at the vent for air to pass through, so that the air is dried and filtered before entering the housing, thereby reducing the influence of impurities and moisture on the sensor.
While the utility model has been described with reference to specific embodiments, the utility model is not limited thereto, and those skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the utility model, and these modifications or substitutions are included in the scope of the utility model; therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a diffusion formula ozone monitoring devices with forced draft function which characterized in that: including the support and locate the detection device on the support, detection device is including locating the casing on the support and locating the circuit board in the casing and being used for detecting the sensor of ozone concentration, the lower extreme of casing is equipped with the ventilation hole rather than inside intercommunication, be equipped with the suction fan rather than inside intercommunication on the lateral wall of casing at least one, suction fan and sensor respectively with the circuit board electricity is connected.
2. The diffused ozone monitoring device with forced ventilation function of claim 1, wherein: the waterproof heat insulation cover is arranged outside the machine shell.
3. The diffused ozone monitoring device with forced ventilation function of claim 2, wherein: the cross section of the waterproof heat shield is of a U-shaped structure with a downward opening.
4. A diffusive ozone monitoring device with forced ventilation as claimed in claim 3, wherein: the inner diameter of the waterproof heat insulation cover is larger than the outer diameter of the machine shell, so that a channel for air to flow is formed between the waterproof heat insulation cover and the machine shell.
5. The diffused ozone monitoring device with forced ventilation function of claim 4, wherein: the lower extreme of waterproof heat exchanger that separates is equipped with the holding tank, the casing is located in the holding tank, just waterproof heat exchanger that separates's lower extreme is less than the lower extreme of casing.
6. The diffused ozone monitoring device with forced ventilation function of claim 5, wherein: the casing includes upper cover and lower cover of mutual suit, just be formed with between upper cover and the lower cover and hold the appearance chamber of circuit board and sensor, the suction fan is located the lateral wall of upper cover, the ventilation hole runs through and locates the lower extreme of lower cover.
7. The diffused ozone monitoring device with forced ventilation function of claim 6, wherein: the upper cover with the support passes through the screw fixation, just waterproof heat exchanger is last to be equipped with the confession the via hole that the screw passed.
8. The diffused ozone monitoring device with forced ventilation function of claim 7, wherein: the middle of upper cover be equipped with a plurality ofly with screw one-to-one complex screw hole, waterproof heat exchanger that separates is in the correspondence the position department of screw hole is equipped with the via hole.
9. A diffusive ozone monitoring device with forced ventilation as claimed in any one of claims 1 to 8, wherein: and two symmetrically arranged exhaust fans are arranged on the side wall of the casing.
10. The diffused ozone monitoring device with forced ventilation of claim 9, wherein: and an air drying and cleaning device for air to pass through is arranged at the ventilation hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122673074.XU CN216484870U (en) | 2021-11-03 | 2021-11-03 | Diffusion type ozone monitoring device with forced ventilation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122673074.XU CN216484870U (en) | 2021-11-03 | 2021-11-03 | Diffusion type ozone monitoring device with forced ventilation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216484870U true CN216484870U (en) | 2022-05-10 |
Family
ID=81447278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122673074.XU Active CN216484870U (en) | 2021-11-03 | 2021-11-03 | Diffusion type ozone monitoring device with forced ventilation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216484870U (en) |
-
2021
- 2021-11-03 CN CN202122673074.XU patent/CN216484870U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2016000413A1 (en) | Top cover for air treatment system and air treatment system | |
| US10807440B2 (en) | Dual-passage air quality detection device | |
| CN216484870U (en) | Diffusion type ozone monitoring device with forced ventilation function | |
| CN214372641U (en) | Temperature and humidity sensor with replaceable probe | |
| CN208720192U (en) | A kind of safety high temperature steam unit | |
| CN208651295U (en) | A kind of bladeless fan having a display function | |
| CN213148875U (en) | Indoor ambient air quality detection device of building engineering | |
| CN215183425U (en) | Moisture removing device for box-type transformer | |
| CN213071797U (en) | Dampproofing dehumidification high-low voltage distribution cabinet | |
| CN216622249U (en) | Measuring device for concentration of volatile solute in dilute aqueous solution | |
| CN211653514U (en) | Super computer room environment monitoring device | |
| CN209927373U (en) | Portable hydrogen leak detector | |
| CN210512030U (en) | Cold evaporation humidifier | |
| CN216649412U (en) | Step motor with humidity detects function | |
| CN219391973U (en) | Unmanned aerial vehicle sensor monitoring device | |
| CN213187043U (en) | Dampproofing processing apparatus is used to hydraulic and hydroelectric engineering equipment | |
| CN206311507U (en) | One kind paint concentration detection device | |
| CN219349410U (en) | Sensor detection device for intelligently controlling gas flow and temperature and humidity | |
| CN211476655U (en) | Air source heat pump drying-machine fixing device | |
| CN108332797A (en) | A kind of portable household environment monitoring device | |
| CN218067885U (en) | Kiln tail gas analyzer | |
| CN215768822U (en) | Electric automatization check out test set | |
| CN218648370U (en) | Tunnel is with dampproofing switch board with temperature and humidity measurement function | |
| CN212933749U (en) | Smoke-discharging-free efficient detection device of smoke alarm | |
| CN214537988U (en) | Industrial instrument with good moisture resistance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |