CN210604575U

CN210604575U - Combined air quality detection equipment

Info

Publication number: CN210604575U
Application number: CN201921552488.3U
Authority: CN
Inventors: 章红
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-05-22
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a modular air quality detection equipment, including structural component, sampling subassembly and determine module, sampling subassembly includes sampling tray, sampling tube and two at least sampler barrels, the sampling tube sets up on the sampling tray, the sampler barrel with the sampling tray detachable is connected, the sampler barrel with the sampling tray is in not co-altitude, through the sampler barrel with the sampling tray can be to the not co-altitude gas of awaiting measuring in the space sample. The utility model discloses a multisection connecting pipe and the sampler barrel that sets up can conveniently adjust the sample height, accomplish simultaneously and take a sample to the gas of co-altitude in the space that awaits measuring, can carry out more three-dimensional air quality detection work to the space that awaits measuring according to the detection requirement, have improved whole check out test set's detection performance, also improve the degree of accuracy of testing result to a certain extent, and its simple structure convenient operation has improved check out test set's scalability moreover.

Description

Combined air quality detection equipment

Technical Field

The utility model relates to an environment detection technology field, concretely relates to modular air quality testing equipment.

Background

With the rapid development of economy and the improvement of the taste of life, a lot of people pay more attention to the health and environmental protection. After the new home decoration is repaired, besides basic measures of ventilation and placement of formaldehyde plants, charcoal bags and the like, a plurality of people can also adopt the air quality detector to comprehensively detect the air quality condition, and the health of pregnant women, children, old people and family personnel is comprehensively protected.

The air quality detector is an instrument for detecting various parameters of indoor and outdoor environments, and the detection contents comprise formaldehyde, PM2.5, TVOC, temperature and humidity and the like. The air quality detector can accurately detect the concentration of pollutants through a sensor in the air quality detector, calculate the air quality index and give an alarm when the concentration exceeds the standard. The air quality detector is based on the principle that signals of a front-end formaldehyde sensor, a PM2.5 sensor, a TVOC sensor and a temperature and humidity sensor are detected, weak signals of the sensors are amplified through an operational amplifier, noise interference is removed through a filter circuit, then the signals are acquired through AD (analog-to-digital) and are processed and calculated by adopting a high-precision CPU (central processing unit), and then the signals are converted into pollutant concentration values and displayed on a liquid crystal screen.

But current air quality detector has certain not enough in the use, when carrying out indoor outer air quality testing work, the sampling tube is either in same height all the time, or just is handheld the all-round detection achievement to the space that awaits measuring by the tester. When the sampling tube is at a fixed height, the whole space to be detected cannot carry out three-dimensional all-directional detection work, and because gas components at different heights in the space to be detected have certain difference, a detection result at the fixed height has certain deviation from a real result, so that the detection performance of the whole detection equipment is slightly reduced; the test personnel hold the sampling tube inconveniently and inconveniently, and therefore the combined air quality detection equipment is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: how to improve the detection precision of combination formula air quality check out test set effectively provides a combination formula air quality check out test set.

The utility model discloses a solve above-mentioned technical problem through following technical scheme, the utility model discloses a structure subassembly, sampling subassembly and determine module, sampling subassembly includes sampling tray, sampling tube and two at least sampling tubes, the sampling tube sets up on the sampling tray, the sampling tube with sampling tray detachably connects, the sampling tube with the sampling tray is in not co-altitude, through the sampling tube with the sampling tray can be to the not co-altitude gas sampling in the space that awaits measuring, determine module includes gas detection appearance, gas detection appearance sets up on the structure subassembly, gas detection appearance with the sampling tray intercommunication.

Preferably, the structure component comprises a base, four supporting rods and a placing box body, the four supporting rods are arranged on the base, the placing box body is connected with the four supporting rods and located on the inner sides of the four supporting rods, and the gas detector is arranged inside the placing box body.

Preferably, the lower extreme of base is provided with the area and locks the universal wheel, the area lock universal wheel with base swing joint.

Preferably, the base is provided with a counterweight groove inside, and when in use, the gravity center of the whole equipment can be lowered by placing a metal plate or a stone plate inside the counterweight groove.

Preferably, the detection assembly further comprises an air pipe, and the gas detector is communicated with the sampling disc through the air pipe.

Preferably, the sampling section of thick bamboo with between the sampling dish, two all be provided with the multisection connecting pipe between the sampling section of thick bamboo, through changing the quantity of connecting pipe is adjustable the sampling section of thick bamboo with the height that the sampling dish was located.

Preferably, two adjacent sections of the connecting pipes are detachably connected.

Preferably, the sampling tube is the cavity barrel, and inside is annular inner chamber, the both sides of sampling tube all run through and are provided with a plurality of thief holes.

Preferably, the inside of sampling disc is provided with miniature air pump, the sampling tube the sampler barrel all with miniature air pump intercommunication, when detecting, through miniature air pump will await measuring gas by the sampling tube with the sampler barrel suction.

Compared with the prior art, the utility model has the following advantages: through the multisection connecting pipe and the sampling tube that set up, can conveniently adjust the sample height, accomplish simultaneously and take a sample to the gas of co-altitude in the space that awaits measuring, can carry out more three-dimensional air quality detection work to the space that awaits measuring according to the detection requirement, improved whole check out test set's detection performance, also improve the degree of accuracy of testing result to a certain extent, its simple structure convenient operation has improved check out test set's scalability moreover, is worth being used widely.

Drawings

Fig. 1 is a schematic view of the overall structure of an air quality detection device in an embodiment of the present invention;

FIG. 2 is a partial schematic view of a sampling plate in an embodiment of the present invention;

FIG. 3 is a schematic view of the combination of the sampling tube and the annular manifold according to an embodiment of the present invention;

FIG. 4 is a schematic view of the interior of an embodiment of the sampling tube of the present invention;

FIG. 5 is a schematic view of the combination of the sampling tube and the annular manifold according to an embodiment of the present invention;

fig. 6 is a schematic view of the overall structure of the box body in the embodiment of the present invention.

In the figure: 1. a base; 2. a support bar; 3. placing the box body; 31. heat dissipation holes; 32. fixing a pressing strip; 33. a rubber strip; 4. a gas detector; 5. an electromagnetic valve; 6. an air tube; 7. a sampling tray; 8. a sampling tube; 9. a micro air pump; 10. a separator plate; 11. an annular manifold; 12. an upper joint; 13. a sampling tube; 131. a sampling hole; 132. a connecting pipe; 133. a lower joint; 134. sealing the ferrule; 14. and a counterweight groove.

Detailed Description

The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

As shown in fig. 1 to 6, the present embodiment provides a technical solution: an air quality detection device comprises a base 1, supporting rods 2, a gas detector 4, a sampling disc 7, an annular collecting pipe 11 and sampling pipes 8, wherein the supporting rods 2 are welded at four corners of the outer surface of the upper end of the base 1, the number of the supporting rods is four, a placing box body 3 is welded between the four supporting rods 2, the gas detector 4 is placed in an inner cavity of the placing box body 3, the annular collecting pipe 11 is arranged at the inner edge of the sampling disc 7, the sampling disc 7 is a circle center hollow sampling disc 7, a partition plate 10 is arranged in the middle of the inner part of the sampling disc 7, the partition plate 10 is connected end to enclose a hollow cylinder shape and is used for isolating gas spaces inside and outside the partition plate 10, miniature air pumps 9 are fixedly installed at two side positions on the partition plate 10, and air inlet ends of the miniature air pumps 9 are communicated with the annular collecting pipe 11, the end of giving vent to anger of miniature air pump 9 with gas detection appearance 4 links to each other, sampling tube 8 evenly sets up on the annular collecting pipe 11 and rather than the intercommunication, sampling tube 8 includes tube head and lower tube head, it is in same vertical plane with lower tube head to go up the tube head, it is 30 and upwards extension with the horizontal angle to go up the tube head, the tube head is 30 and downwardly extending with the horizontal angle down, gas detection appearance 4 pass through trachea 6 with sampling disc 7 is connected, is provided with solenoid valve 5 on the trachea 6.

Furthermore, the number of the sampling tubes 8 is twelve, and twelve sampling tubes 8 uniformly penetrate through the sampling disc 7 and are communicated with the annular collecting pipe 11. Through the splayed sampling tube 8 that sets up to evenly set up sampling tube 8 dispersion around sampling dish 7, can sample the gas of a plurality of directions in the space that awaits measuring simultaneously, can avoid effectively because of the single detection error who brings of sampling direction, guaranteed the accuracy of testing result, make the use of equipment experience better, be worth using widely.

Further, the upper end and the lower end of the inner surface of the placing box body 3 are provided with rubber strips 33, the front end of the lower part of the placing box body 3 is hinged with a fixing pressing strip 32, and the fixing pressing strip 32 is also provided with the rubber strips 33.

Further, the rear end surface of the placing box body 3 is penetrated with a heat radiation hole 31, the placing box body 3 and an exhaust fan is arranged between the gas detectors 4, and two sides of the placing box body 3 are in an open state. The exhaust fan is used in the cooperation of louvre 31, can be for the heat dissipation of gas detection appearance 4, guarantees that gas detection appearance 4 is in normal operating condition.

Further, the lower extreme of base 1 is provided with the area and locks the universal wheel. The universal wheel with the lock can effectively improve the mobility of the whole detection equipment, and is convenient to use on site.

Furthermore, upper joints 12 are arranged on two sides of the upper part of the annular collecting pipe 11. The upper connector 12 can be sealed by a rubber plug when not in use, and the upper connector 12 can improve the expandability of the detection device.

Further, the detection apparatus further comprises a sampling cylinder 13, wherein the sampling cylinder 13 is connected with the annular collecting pipe 11 through a plurality of connecting pipes 132. By changing the number of the connecting pipes 132, the gas sampling positions can be adjusted, it should be noted that the number of the sampling cylinders 13 and the number of the connecting pipes 132 can be determined according to the height of the space to be measured and the detection requirement, when the height of the space to be measured is higher, the number of the sampling cylinders 13 is relatively increased, and the number of the connecting pipes 132 is changed along with the number of the sampling cylinders 13.

Further, the upper end of the sampling cylinder 13 is also provided with an upper connector 12, the upper connector 12 is used for connecting the rest of the sampling cylinders 13, and the lower end is provided with a lower connector 133, and the lower connector 133 is communicated with the annular manifold 11 through a connecting pipe 132.

Further, one end of the connecting pipe 132 has an internal thread, and the other end has an external thread, when the connection assembly is performed, the connecting pipe 132 at the lowermost end is mounted on the upper joint 12 of the annular manifold 11 through the internal thread at the lower end, the upper end of the connecting pipe 132 at the uppermost end is sleeved with the lower joint 133, the lower joint 133 is sleeved on the upper end of the connecting pipe 132, and then the joint between the two is sealed through the sealing collar 134.

Further, sampling tube 13 is the cavity barrel, and inside is annular inner chamber, the both sides of sampling tube 13 all run through and are provided with a plurality of thief holes 131. Sampling tube 13 is linked together through connecting pipe 132 and annular collecting pipe 11, can carry out more three-dimensional air quality detection work to the space that awaits measuring according to the detection requirement, can take a sample to the gas of the not co-altitude in the space that awaits measuring simultaneously, has improved whole check out test set's detection performance, also improves the degree of accuracy of testing result to a certain extent, and its simple structure convenient operation has improved check out test set's scalability moreover, is worth being generalized to use.

Further, the model of the gas detector 4 is Smart pro 10, and the model of the micro air pump 9 is RF-370B.

Further, a counterweight groove 14 is formed in the base 1, and when too many sampling cylinders 13 are added, a metal plate or a stone plate can be filled in the counterweight groove 14 to lower the center of gravity of the whole device, so that the stability of the device is ensured.

The working principle is as follows: the air quality detection device is characterized in that in the using process, firstly, the whole device is moved to a designated position, the electromagnetic valve 5 is opened, the switches of the micro air pump 9 and the gas detector 4 are started, the micro air pump 9 starts to work, under the action of the micro air pump 9, gas in a space to be detected is sucked in through the sampling pipe 8 and the sampling hole 131 on the sampling cylinder 13, enters the partition plate 10, then reaches the inside of the gas detector 4 through the air pipe 6, the gas detector 4 performs detection analysis on the gas, the detected result is displayed on the display screen of the gas detector 4, the sampling pipe 8 in the shape of the Chinese character 'ba' is arranged and is uniformly distributed on the periphery of the sampling disc 7, the gas in the space to be detected in multiple directions can be simultaneously sampled, the detection error caused by single sampling direction can be effectively avoided, and the accuracy of the detection result is ensured, make the use of equipment experience better, secondly, when needs, can adjust the height at place of each sampling tube 13 through changing connecting pipe 132 quantity, or increase more quantity's sampling tube 13, like this alright carry out more three-dimensional air quality detection work to the space of awaiting measuring according to the detection requirement, can take a sample to the gas of co-altitude in the space of awaiting measuring simultaneously, whole check out test set's detection performance has been improved, also improve the degree of accuracy of testing result to a certain extent, and its simple structure convenient operation, check out test set's scalability has been improved, be worth using widely.

In summary, the air quality detection device has the advantages that the splayed sampling tubes are arranged and distributed in all directions of the same plane, so that multi-direction simultaneous sampling work of gas in a space to be detected can be realized, the accuracy of a test result can be effectively ensured, the deviation of the detection result caused by single sampling direction can be avoided as much as possible, and the use experience of the device is better; through the multisection connecting pipe and the sampling tube that set up, can conveniently adjust the sample height, accomplish simultaneously and take a sample to the gas of co-altitude in the space that awaits measuring, can carry out more three-dimensional air quality detection work to the space that awaits measuring according to the detection requirement, improved whole check out test set's detection performance, also improve the degree of accuracy of testing result to a certain extent, its simple structure convenient operation has improved check out test set's scalability moreover, is worth being used widely.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a modular air quality testing equipment which characterized in that: including structural component, sampling subassembly and determine module, sampling subassembly includes sampling disc, sampling tube and two at least sampling barrels, the sampling tube sets up on the sampling disc, the sampling tube with sampling disc detachable connects, the sampling tube with the sampling disc is in not co-altitude, through the sampling tube with the sampling disc can be to the not co-altitude gas of awaiting measuring in the space of awaiting measuring take a sample, determine module includes gas detection appearance, gas detection appearance sets up on the structural component, gas detection appearance with the sampling disc intercommunication, structural component with the sampling disc is connected.

2. The combined air quality detection device of claim 1, wherein: the structure component comprises a base, four supporting rods and a placing box body, wherein the four supporting rods are arranged on the base and connected with the lower part of the sampling disc, the placing box body is connected with the four supporting rods and located on the inner sides of the four supporting rods, and the gas detector is arranged inside the placing box body.

3. The combined air quality detection device of claim 2, wherein: the lower extreme of base is provided with the area and locks the universal wheel, area lock universal wheel with base swing joint.

4. The combined air quality detection device of claim 2, wherein: the inside of base is provided with the counter weight groove, when using, through place metal sheet or slabstone in the inside reduction of the focus of whole equipment of counter weight groove.

5. The combined air quality detection device of claim 1, wherein: the detection assembly further comprises an air pipe, and the gas detector is communicated with the sampling disc through the air pipe.

6. The combined air quality detection device of claim 1, wherein: the sampler barrel with between the sampling dish, two all be provided with the multisection connecting pipe between the sampler barrel, through changing the quantity of connecting pipe is adjustable the sampler barrel with the height that the sampling dish was located.

7. The combined air quality detection device of claim 6, wherein: two adjacent sections of the connecting pipes are detachably connected.

8. The combined air quality detection device of claim 1, wherein: the sampling tube is the cavity barrel, and inside is annular cavity, the both sides of sampling tube all run through and are provided with a plurality of thief holes.

9. The combined air quality detection device of claim 1, wherein: the inside of sampling disc is provided with miniature air pump, the sampling tube the sampler barrel all with miniature air pump intercommunication, when detecting, through miniature air pump will await measuring gas by the sampling tube with the sampler barrel suction simultaneously.