CN210863473U - Detection equipment for detecting particles in ambient air - Google Patents
Detection equipment for detecting particles in ambient air Download PDFInfo
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- CN210863473U CN210863473U CN201921908539.1U CN201921908539U CN210863473U CN 210863473 U CN210863473 U CN 210863473U CN 201921908539 U CN201921908539 U CN 201921908539U CN 210863473 U CN210863473 U CN 210863473U
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- ambient air
- water tank
- air
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- water
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Abstract
The utility model discloses a check out test set for particulate matter in survey ambient air belongs to environmental detection technical field. A detection device for measuring particles in ambient air comprises an installation box, a light intensity standard lamp, a photodiode, a lamp tube and a processor, wherein a first groove and a second groove are formed in the installation box; the utility model discloses a medium is used materials on the spot, and convenient and fast alleviates staff's work load greatly.
Description
Technical Field
The utility model relates to an environmental detection technical field especially relates to a check out test set for survey particulate matter in ambient air.
Background
The concentration of particulate matters in the air is one of main indexes for measuring the atmospheric pollution degree, industrial manufacturing grows quietly in China along with the advance of the open step of the reform in China, however, the environment on which people live is damaged unprecedentedly from the open step of the reform to the current industry, the air quality is reduced linearly along with the discharge of automobile tail gas and factory smoke, and then the air detection equipment is produced.
In the prior art, the Chinese patent application number: CN201420749322.1, announcement date: 2015-05-13, discloses a device for detecting particulate matter in air, which comprises a base, a limiting rod fixed on the base, an adjustable resistor and a spring sleeved outside the limiting rod, wherein a hollow metal cylinder is fixed at the top end of the spring, a V-shaped support is fixed at the upper end of the metal cylinder, a first frame is installed at the upper end of the V-shaped support, a first filter screen is arranged on the first frame, a fan is arranged above the first filter screen, a metal slip sheet is fixed at the side end of the metal cylinder, the metal slip sheet is abutted to the adjustable resistor, the adjustable resistor is connected with an ammeter and a power supply in series, and the power supply is connected with the metal cylinder; the utility model has the characteristics of simple structure, convenient use, low cost and high accuracy rate of particulate matter content detection; however, the utility model has the following disadvantages: the filter screen that uses needs dry in the laboratory before using to need the manual work to carry out the change of filter screen, measurement personnel work load is great, is not suitable for remote use.
Disclosure of Invention
The utility model aims at solving the deficiencies in the prior art and providing a check out test set for survey particulate matter in the ambient air.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a detection device for measuring particles in ambient air comprises an installation box, a light intensity standard lamp, a photodiode, a lamp tube and a processor, wherein the processor is connected to the top of the installation box, a first groove and a second groove are formed in the installation box, the light intensity standard lamp is connected to the inner wall of the bottom of the first groove, the photodiode is connected to the side wall of the first groove, the lamp tube is connected to the side wall of the second groove, an air inlet groove is formed in the top of the installation box, the top of the air inlet groove is connected with a protective screen, the bottom of the air inlet groove is connected with an induced duct, an installation cavity is formed in the installation box, the installation cavity is connected with an exhaust fan, the induced duct is connected to the input end of the exhaust fan, a water tank is connected in the installation box, the output end of the exhaust fan is connected with the water tank through a, and a separation plate is inserted in the air outlet.
Preferably, the first groove and the second groove are respectively positioned on two sides of the water tank.
Preferably, the top of water tank is connected with the inlet tube, be connected with first valve on the inlet tube.
Preferably, the bottom of the water tank is connected with a water outlet pipe, and the water outlet pipe is connected with a second valve.
Preferably, the top of the installation box is provided with a slot, the slot is connected with the air outlet, and the isolation plate is connected in the slot in a sliding manner.
Preferably, the bottom of install bin rotates and is connected with and rotates the seat, it rotates and is connected with the gyro wheel to rotate on the seat to rotate.
Preferably, the side wall of the installation box is fixedly connected with a handrail.
Compared with the prior art, the utility model provides a check out test set for surveying particulate matter in the ambient air possesses following beneficial effect:
1. the detection equipment for measuring the particles in the ambient air comprises the steps of pushing an installation box to an air area to be detected, opening a first valve, injecting purified water from a water inlet pipe, enabling a water source in a fire hydrant to be used on site, not affecting a measurement result, stopping injecting water when the water is injected to three quarters of a water tank, closing the first valve, opening a light intensity standard lamp to perform standard color correction on a silicon photodiode with an optical filter, opening a lamp tube after the color correction is completed, wherein the lamp tube only can be an LED lamp, the distance between the LED lamp tube and the silicon photodiode with the optical filter is 316 mm, the receiving area of the silicon photodiode with the optical filter is 10 x 10 square mm, light rays emitted by the LED lamp tube penetrate through the water source in the water tank, are scattered onto the silicon photodiode with the optical filter, and the light intensity is calculated by a processor fixed formula, the method is the same as the first measurement, the first data is subtracted from the second data, the concentration of the particles in the existing air can be obtained by combining the ventilation time, and after the measurement is finished, the second valve is opened to discharge the water in the water tank.
Drawings
Fig. 1 is a front view of a detection apparatus for detecting particles in ambient air according to the present invention;
FIG. 2 is a cross-sectional view of portion A-A of FIG. 1 of a detection apparatus for determining particulate matter in ambient air in accordance with the present invention;
FIG. 3 is a cross-sectional view of portion B-B of FIG. 1 of a detection apparatus for determining particulate matter in ambient air in accordance with the present invention;
fig. 4 is a schematic structural diagram of a detection apparatus for detecting particles in ambient air according to the present invention.
In the figure: 1. installing a box; 101. an air inlet groove; 1011. a protective net; 1012. an induced draft pipe; 102. a rotating seat; 1021. a roller; 103. a handrail; 104. an air outlet; 105. a slot; 1051. a separator plate; 106. a water inlet pipe; 1061. a first valve; 107. a water outlet pipe; 1071. a second valve; 2. a processor; 201. a first groove; 2011. a photodiode; 2012. a light intensity standard lamp; 202. a water tank; 203. a second groove; 2031. a lamp tube; 3. an exhaust fan; 301. a mounting cavity; 302. a third valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-4, a detection apparatus for detecting particulate matter in ambient air, includes an installation box 1, a light intensity standard lamp 2012, a photodiode 2011, a lamp tube 2031 and a processor 2, the processor 2 is connected to the top of the installation box 1, a first groove 201 and a second groove 203 are formed in the installation box 1, the light intensity standard lamp 2012 is connected to the inner wall of the bottom of the first groove 201, the photodiode 2011 is connected to the side wall of the first groove 201, the lamp tube 2031 is connected to the side wall of the second groove 203, an air inlet groove 101 is formed in the top of the installation box 1, a protective net 1011 is connected to the top of the air inlet groove 101, an air guiding pipe 1012 is connected to the bottom of the air inlet groove 101, an installation cavity 301 is formed in the installation box 1, an exhaust fan 3 is connected to the installation cavity 301, the air guiding pipe 1012 is connected to the input end of the exhaust fan 3, a water tank 202 is connected, the top of the water tank 202 is provided with an air outlet 104, and a separation plate 1051 is inserted in the air outlet 104.
The first groove 201 and the second groove 203 are respectively located at both sides of the water tank 202.
The top of the water tank 202 is connected to a water inlet pipe 106, and the water inlet pipe 106 is connected to a first valve 1061.
The bottom of the water tank 202 is connected with a water outlet pipe 107, and the water outlet pipe 107 is connected with a second valve 1071.
The top of the installation box 1 is provided with a slot 105, the slot 105 is connected with the air outlet 104, and the isolation plate 1051 is slidably connected in the slot 105.
The bottom of the installation box 1 is rotatably connected with a rotating seat 102, and the rotating seat 102 is rotatably connected with a roller 1021.
The side wall of the installation box 1 is fixedly connected with a handrail 103.
The working principle is as follows: in the utility model, the installation box 1 is pushed to the air area to be detected, the first valve 1061 is opened to inject purified water from the water inlet pipe 106, the water source in the fire hydrant can be taken on site, the measurement result cannot be influenced, when the water is injected to three quarters of the water tank 202, the injection is stopped, the first valve 1061 is closed, the light intensity standard lamp 2012 is opened to perform standard color correction on the silicon photodiode 2011 with the optical filter, after the color correction is completed, the lamp tube 2031 is opened, here, the lamp tube 2031 uses the LED lamp, the distance from the LED lamp tube 2031 to the silicon photodiode 2011 with the optical filter is 316 mm, the receiving area of the silicon photodiode 2011 with the optical filter is 10 × 10 square mm, the light emitted by the LED lamp tube 2031 penetrates through the water source in the water tank 202, is scattered to the silicon photodiode 2011 with the optical filter, the light intensity is calculated by the fixed formula of the processor 2, recording, then taking the isolation plate 1051 out, starting the exhaust fan 3, opening the third valve 302, introducing external air into the water tank 202 through the air guiding pipe 1012, and recording the air introducing time, wherein the air inlet tank 101 on the air guiding pipe 1012 is in a horn mouth shape, so that the air inlet range can be enlarged, and the universality of detection data is improved, the protective net 1011 connected to the air inlet tank 101 can prevent large sundries from being sucked, after the air introduction is finished, closing the third valve 302, stopping the exhaust fan 3, after the internal water source is calm, opening the LED lamp tube 2031 again to measure secondary data, wherein the method is the same as that of the first measurement, subtracting the first data from the second data, and obtaining the concentration of particulate matters in the existing air by combining with the ventilation time, and after the measurement is finished, opening the second valve 1071 to discharge the water in the water tank 202.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a check out test set for determining particulate matter in ambient air, includes install bin (1), light intensity standard lamp (2012), photodiode (2011), fluorescent tube (2031) and treater (2), treater (2) are connected at the top of install bin (1), its characterized in that, first recess (201) and second recess (203) have been seted up in install bin (1), light intensity standard lamp (2012) are connected at the bottom inner wall of first recess (201), photodiode (2011) are connected at the lateral wall of first recess (201), fluorescent tube (2031) are connected at the lateral wall of second recess (203), install bin (1) top has been seted up air inlet groove (101), air inlet groove (101) top is connected with protection network (1011), air inlet groove (101) bottom is connected with induced duct (1012), install bin (1) inside has been seted up chamber (301), install chamber (301) in-connection has air exhauster (3), induced duct (1012) are connected at the input of air exhauster (3), install bin (1) in-connection has water tank (202), the output of air exhauster (3) passes through third valve (302) and links to each other with water tank (202), air outlet (104) have been seted up at the top of water tank (202), the interpolation has division board (1051) in air outlet (104).
2. A detection device for detecting particles in ambient air according to claim 1, characterised in that the first recess (201) and the second recess (203) are located on either side of the water tank (202).
3. A detection apparatus for detecting particles in ambient air according to claim 1, wherein the top of the water tank (202) is connected with a water inlet pipe (106), and the water inlet pipe (106) is connected with a first valve (1061).
4. A detection apparatus for detecting particles in ambient air according to claim 3, wherein a water outlet pipe (107) is connected to the bottom of the water tank (202), and a second valve (1071) is connected to the water outlet pipe (107).
5. The detection apparatus for detecting particles in ambient air according to claim 1, wherein a slot (105) is formed at the top of the installation box (1), the slot (105) is connected to the air outlet (104), and the isolation plate (1051) is slidably connected in the slot (105).
6. A testing apparatus for determining particulate matter in ambient air according to claim 1, characterised in that a rotatable seat (102) is rotatably connected to the bottom of the mounting box (1), and rollers (1021) are rotatably connected to the rotatable seat (102).
7. A detection apparatus for determining particulate matter in ambient air according to claim 6, characterised in that a handrail (103) is fixedly connected to a side wall of the installation box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921908539.1U CN210863473U (en) | 2019-11-07 | 2019-11-07 | Detection equipment for detecting particles in ambient air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921908539.1U CN210863473U (en) | 2019-11-07 | 2019-11-07 | Detection equipment for detecting particles in ambient air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210863473U true CN210863473U (en) | 2020-06-26 |
Family
ID=71285124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921908539.1U Expired - Fee Related CN210863473U (en) | 2019-11-07 | 2019-11-07 | Detection equipment for detecting particles in ambient air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210863473U (en) |
-
2019
- 2019-11-07 CN CN201921908539.1U patent/CN210863473U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 Termination date: 20201107 |