CN210604585U - Detection device and detection system for air gaseous pollutants - Google Patents
Detection device and detection system for air gaseous pollutants Download PDFInfo
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- CN210604585U CN210604585U CN201921578648.1U CN201921578648U CN210604585U CN 210604585 U CN210604585 U CN 210604585U CN 201921578648 U CN201921578648 U CN 201921578648U CN 210604585 U CN210604585 U CN 210604585U
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Abstract
The utility model discloses a detection device and a detection system for air gaseous pollutants, the detection device is in communication connection with a host, and comprises a shell top cover, an arc-shaped ball machine shell, a gas module bracket, a gas module bottom plate, a ventilation bottom cover, a joint connecting piece, a gas detection module and a control module; the top cover of the shell is arranged at the top of the shell of the ball machine and is fixed with the shell of the ball machine through a joint connecting piece, the gas module bottom plate is fixed at the bottom of the shell of the ball machine through the shell connecting piece, the gas module support is arranged in the shell of the ball machine and is fixed on the gas module bottom plate in a screwed mode, the gas detection module is arranged in a frame of the gas module support and is fixed with the gas module support in a screwed mode, the control module is fixed on the gas module support in a screwed mode, the gas detection module is electrically connected with the control module, and the control module; the edge of the ventilation bottom cover is aligned with the lower surface of the bottom plate of the gas module and is fixed in a screw joint mode. The arc of the shell of the ball machine is beneficial to outdoor waterproof protection.
Description
Technical Field
The utility model relates to an environmental protection monitoring technology field, in particular to detection device and detecting system of air gaseous state pollutant.
Background
The currently implemented environmental air state control point monitoring system has limited number of monitoring point positions and high cost, and the timeliness is insufficient due to a point-instead-of-point method, so that the aim of fine control cannot be achieved; deep excavation of capabilities such as space-time dynamic trend analysis, pollution emission reduction assessment, pollution source tracking, environment early warning and forecasting and the like in a monitoring system cannot be realized, detected gas in the air cannot be efficiently collected, calibration and sensor replacement cannot be conveniently carried out, and outdoor protection level is poor.
Thus, the prior art has yet to be improved and enhanced.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing prior art's weak point, an object of the utility model is to provide a detection device and a detecting system of air gaseous pollutant to solve the relatively poor problem of the outdoor protection grade of current ambient air state accuse point monitoring system.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a detection device for air gaseous pollutants is in communication connection with a host, and comprises a shell top cover, an arc-shaped ball machine shell, a gas module support, a gas module bottom plate, a ventilation bottom cover, a connector connecting piece for fixing the shell top cover and the ball machine shell, a gas detection module for detecting gas concentration and outputting corresponding electric signals, and a control module for pumping air and processing and displaying the electric signals;
the top cover of the shell is arranged at the top of the shell of the ball machine and is fixed with the shell of the ball machine through a joint connecting piece, the gas module bottom plate is fixed at the bottom of the shell of the ball machine through the shell connecting piece, the gas module support is arranged in the shell of the ball machine and is fixed on the gas module bottom plate in a screwed mode, the gas detection module is arranged in a frame of the gas module support and is fixed with the gas module support in a screwed mode, the control module is fixed on the gas module support in a screwed mode, the gas detection module is electrically connected with the control module, and the control module is in communication connection with a host; the edge of the ventilation bottom cover is aligned with the lower surface of the gas module bottom plate and is fixed in a threaded manner.
The detection device of air gaseous pollutant among, the union coupling includes water joint and joint mounting panel, the through-hole at ball machine shell top is passed on water joint's top and the interior top of inserting the shell top cap, the joint mounting panel alternates and fixes in water joint's bottom, the joint mounting panel is fixed with the top spiro union of ball machine shell.
Among the detection device of air gaseous pollutant, the equidistance sets up 3 screws on the joint mounting panel, 3 screw spiro union that correspond through 3 screws and ball machine shell top are fixed.
In the device for detecting the gaseous pollutants in the air, the control module comprises a signal acquisition board and a vacuum pump, and the signal acquisition board and the vacuum pump are fixed on the gas module bracket in parallel;
the interface on the signal acquisition board is used for receiving the electric signal output by the gas detection module and is connected with the gas detection module through a data line;
the processing circuit on the signal acquisition board is used for controlling the pumping state of the vacuum pump, calculating and filtering the acquired electric signals, outputting concentration values of corresponding gases, transmitting the concentration values to a display screen of the host for display, and connecting the processing circuit with the host through a communication line.
In the device for detecting the gaseous pollutants in the air, the gas detection module comprises 4 gas sensors, and each gas sensor is fixed in a frame of a gas module bracket in a threaded manner;
the gas module support is provided with 4 line holes, and the data line on each sensor passes through the corresponding line hole and is connected with the interface on the signal acquisition board.
In the device for detecting the air gaseous pollutants, the gas sensor comprises a packaging lower cover, a circuit board, a sensor main body, a packaging upper cover and a calibration gas hood;
the sensor main body is provided with a contact pin, and the contact pin is inserted into the circuit board; the circuit board is in threaded connection with the lower packaging cover, a terminal female head on the circuit board penetrates out of a through hole in the lower packaging cover, and the terminal female head is connected with an interface on the signal acquisition board through a data line; the top symmetry of encapsulation lower cover sets up 2 first screws, the encapsulation lower cover passes through threaded connection with the encapsulation upper cover, and the encapsulation upper cover passes through threaded connection with demarcation gas hood.
Among the detection device of air gaseous state pollutant, the control module group still includes temperature and humidity sensor and hexagon nut, temperature and humidity sensor's head passes the side through-hole of a gas module support side, temperature and humidity sensor's afterbody is located between two gas sensor, hexagon nut twists temperature and humidity sensor's head and threaded connection, hexagon nut hugs closely in the outside of a gas module support side.
A detection system comprises a mounting rack, a main machine and the detection device for the air gaseous pollutants, wherein the detection device for the air gaseous pollutants is fixed on the mounting rack, and a communication wire extending out of the top of the detection device for the air gaseous pollutants penetrates through the mounting rack and is electrically connected with the main machine;
the detection device for the air gaseous pollutants performs gas detection and outputs corresponding concentration values, and the concentration values are transmitted to the host computer through a communication line to be displayed.
In the detection system, the mounting frame comprises a vertical rod, a cross arm, a mounting plate and a positioning frame; the positioning frame is fixed at a preset position of the upright stanchion in a threaded manner, the mounting plate is fixed at one side surface of the positioning frame in a threaded manner through 2 positioning screws, and two positioning clamping pieces and a first wire hole for passing through a communication wire are arranged on the mounting plate; the side surface of the tail part of the cross arm is provided with two clamping holes matched with the positioning clamping pieces, a round hole matched with the positioning screw and a second wire hole for passing through a communication wire; the tail part of the cross arm is aligned and abutted with the mounting plate, the positioning clamping piece is inserted into the corresponding clamping hole, the positioning screw penetrates through the round hole, the first wire hole is aligned with the second wire hole, and the bottom of the tail part of the cross arm is fixedly locked on the mounting plate through a screw; the head of the cross arm is provided with a mounting groove with a downward opening, and the side surface of the mounting groove is provided with 3 screw holes; the head of shell top cap inserts in the mounting groove, 3 screws pass corresponding screw and screw up the card and fix in the fluted wheel of head.
Compared with the prior art, the utility model provides a detection device and detection system of air gaseous pollutant, detection device and host computer communication connection, it includes shell top cap, curved ball machine shell, gas module support, gas module bottom plate, ventilation bottom, is used for the joint connecting piece of fixing shell top cap and ball machine shell, is used for detecting gas concentration and the output to correspond the gas detection module of electric signal and is used for the pump to suck the gas and handle the control module that shows to the electric signal; the top cover of the shell is arranged at the top of the shell of the ball machine and is fixed with the shell of the ball machine through a joint connecting piece, the gas module bottom plate is fixed at the bottom of the shell of the ball machine through the shell connecting piece, the gas module support is arranged in the shell of the ball machine and is fixed on the gas module bottom plate in a threaded manner, the gas detection module is arranged in a frame of the gas module support and is fixed with the gas module support in a threaded manner, the control module is fixed on the gas module support in a threaded manner, the gas detection module is electrically connected with the control module, and the control module is in communication connection with a; the edge of the ventilation bottom cover is aligned with the lower surface of the gas module bottom plate and is fixed in a threaded manner. The arc of ball machine shell makes things convenient for the rainwater to slide along the radian when helping having the rainwater, and the arc can reduce the resistance of wind when blowing, plays outdoor waterproof protection's effect to the detection device of whole air gaseous pollutant.
Drawings
Fig. 1 is a schematic view of the detection device for gaseous pollutants in air provided by the present invention.
Fig. 2 is an exploded view of the detection device for gaseous pollutants in air according to the present invention.
Fig. 3 is an exploded view of the gas sensor provided by the present invention.
Fig. 4 is an installation schematic diagram of the detection device for gaseous pollutants in air provided by the present invention.
Fig. 5 is a schematic view of the detection system provided by the present invention.
Detailed Description
The utility model provides a detection apparatus and detecting system for air gaseous pollutant. In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1 and fig. 2, the detection device for gaseous pollutants in air is in communication connection with a host, and includes a housing top cover 1, an arc-shaped dome camera housing 2, a gas module support 3, a gas module bottom plate 4, a ventilation bottom cover 5, a connector connecting piece for fixing the housing top cover 1 and the dome camera housing 2, a gas detection module for detecting gas concentration and outputting corresponding electrical signals, and a control module for pumping, sucking, processing and displaying the electrical signals; the dome camera comprises a shell top cover 1, a gas module bottom plate 4, a gas module support 3, a gas module, a control module group and a main machine, wherein the shell top cover 1 is arranged at the top of a dome camera shell 2 and is fixed with the dome camera shell 2 through a joint connecting piece, the gas module bottom plate 4 is fixed at the bottom of the dome camera shell 2 through a shell connecting piece 6, the gas module support 3 is arranged in the dome camera shell 2 and is fixed on the gas module bottom plate 4 in a threaded manner, the gas detection module group is arranged in a frame of the gas module support 3 and is fixed with the gas module support in a threaded manner (fixed through screws), the control module group is fixed on the gas module; the edge of the ventilation bottom cover 5 is aligned with the lower face of the gas module bottom plate 4 and is screwed (using M3 x 8 quincunx combination screw 15).
This embodiment adopts the pump to pump the air exhaust mode through the control module and inhales gas from ventilation bottom 5, detects gas concentration and output corresponding signal of telecommunication through gaseous detection module, and the control module is to the signal of telecommunication is handled the concentration value that obtains corresponding gas and is transmitted and show on the host computer to the realization is to the detection of air pollution thing. Meanwhile, the ball machine shell 2 is arc-shaped and is similar to a reversed bowl, so that rainwater can slide along the radian when rainwater exists, the arc (streamline) can reduce the resistance of wind when blowing, and the detection device for the whole air gaseous pollutants plays a role in outdoor waterproof protection.
It should be understood that, in the implementation, the appearance and size of the ball machine housing 2 may be changed, such as the radian is increased or decreased, the internal space of the ball machine housing 2 is increased in size, the diameter and height are correspondingly increased, the taper of the top of the ball machine housing is decreased, and the like, and the invention is not limited thereto.
In this embodiment, the joint connection spare includes water joint 7 and joint mounting panel 8, the top (the packing head) of water joint 7 passes the through-hole at ball machine shell 2 top and inserts the interior top of shell top cap 1, joint mounting panel 8 alternates and fixes in the bottom of water joint 7, joint mounting panel 4 is fixed with the top spiro union of ball machine shell 2. The waterproof joint 7 is a PG joint, a through hole is formed in the middle of the joint mounting plate 8, the through hole penetrates through the main body of the PG joint, and the joint mounting plate 8 is clamped and fixed by screwing a nut of the PG joint into the bottom end. When the spiro union is fixed, connect on the mounting panel 8 equidistance and set up 3 screw, 3 screw spiro unions that correspond through the screw 9 of 3M 5 × 10 button head crosses and ball machine shell 2 top are fixed.
In this embodiment, the control module comprises a signal acquisition board 10 and a vacuum pump 11, and the signal acquisition board 10 and the vacuum pump 11 are fixed on the gas module support 3 side by side. The signal acquisition board 10 is fixed in 4 protruding screw holes on the gas module support 3 by screw joint, and the vacuum pump 11 is directly fixed on the gas module support 3 by screw joint. The signal acquisition board 10 is provided with an interface 101, connected with the gas detection module through a data line, and used for receiving an electric signal output by the gas detection module. The processing circuit arranged on the signal acquisition board 10 is connected with the host through a communication line and used for controlling the air suction state of the vacuum pump 11, calculating and filtering the acquired electric signals, outputting concentration values of corresponding gases, and transmitting the concentration values to a display screen of the host for display. Still be provided with the LCD screen on the signal acquisition board 10, it is used for showing the parameter debugging result before dispatching from the factory, if show the calibration result of gaseous detection module (definitely need detect which kind of gas) to confirm whether accurate in whole air gaseous pollutant's detection device's operating condition.
The vacuum pump 11 is a micro vacuum pump, and can efficiently collect detected gas in air during working; the flow rate is 0.3-0.6L/Min, and the air suction speed can be adjusted by adjusting the flow rate, so that the monitoring speed is increased and decreased, and the T90 time parameter is improved. The LCD screen is a 12864 dot matrix LCD screen. When the signal acquisition board 10 transmits the concentration value to the host, a wireless communication or wired connection mode can be adopted. In this embodiment, a wired connection is taken as an example, the communication line on the signal acquisition board 10 sequentially passes through the through hole at the top of the housing 2 of the dome camera, and the through hole at the head of the housing top cover is connected with the corresponding interface of the external host.
In this embodiment, the gas detection module includes 4 gas sensor 14, and every gas sensor spiro union is fixed in the frame of gas module support, specifically is: the top symmetry of every gas sensor is provided with 2 first screw 1413, corresponds on the gas module support 3 and sets up 8 second screw 31 (4 and 4 of offside that the arrow indicates in the figure), places gas sensor in the frame of gas module support 3 and aligns the first screw of each gas sensor with the corresponding second screw on the gas module support 3, screws into M3 and carries out the spiro union fixed. The frame of the gas module support protects the gas sensor. In order to conveniently replace the gas sensors, when each gas sensor is installed, the distance between the gas sensors can be preset, so that fingers can conveniently hold the gas sensors.
Wherein, the 4 sensors 10 can respectively detect different gases, and can react when meeting the detectable gases to output corresponding electric signals; the sensor is packaged, and performs data interaction with a processing circuit on the signal acquisition board 10 in a serial communication mode, specifically: be provided with 4 line holes 32 on the gas module support 3, the data line (being used for the output electric signal) on each sensor passes corresponding line hole 32 and is connected with interface 101 (corresponding 4 that set up) on the signal acquisition board 10, can be with corresponding electric signal transmission to signal acquisition board 10.
Referring to fig. 3, the gas sensor 14 includes a lower package cover 141, a circuit board 142, a sensor body 143, an upper package cover 144, and a calibration gas cover 145; the sensor body 143 is provided with a pin, and is inserted into the circuit board 142 through the pin to perform plug-in connection. The circuit board 142 is screwed with the lower package cover 141 (fixedly connected by screws), and a female terminal 1421 (plug-in type) on the circuit board 142 passes through the through hole 1411 on the lower package cover 141, and the female terminal 1421 is connected to the interface 101 on the signal acquisition board 10 by a data line; the 2 first screw holes 1413 are symmetrically arranged on the top of the package lower cover 141. The lower package cover 141 and the upper package cover 144 are connected by a screw thread, that is, the middle of the lower package cover 141 is provided with a first external thread 1412, the inner side of the top of the upper package cover 144 is provided with an internal thread 1441, and after the circuit board 142 is fixed to the lower package cover 141, the first external thread 1412 and the internal thread 1441 are aligned and rotated, so that the lower package cover 141 and the upper package cover 144 are connected by a screw thread. The package upper cover 144 and the calibration gas cap 145 are connected through a thread, that is, the middle lower part of the package upper cover 144 is provided with a second external thread 1442, the inner side of the top of the calibration gas cap 145 is provided with a corresponding internal thread, and the second external thread 1442 is aligned with the internal thread of the calibration gas cap 145 and rotates, so that the package upper cover 144 and the calibration gas cap 145 can be connected through the thread.
The lower package cover 141 and the upper package cover 144 are used to protect the sensor body and the circuit board and facilitate gas measurement and calibration. Because each gas sensor has an independent packaging structure and the periphery of the gas sensor is provided with the calibration gas hood 145, the calibration function (calibrating what kind of gas can be detected) can be realized only by connecting the calibration equipment (the existing calibration system consisting of the standard gas, the gas cylinder, the pressure reducing valve, the gas pipe and the gas pipe joint) with the calibration gas hood 145 during gas calibration. If the gas sensor needs to be replaced, only the single sensor package and the calibration gas cover are integrally removed, and a new integral sensor is replaced. The calibration of the gas sensor is prior art and will not be described in detail here.
When the gas module support is specifically implemented, the control module further comprises a temperature and humidity sensor 12 and a hexagonal nut 13, the head of the temperature and humidity sensor 12 penetrates through a side through hole 33 in one side face of the gas module support 3, the tail of the temperature and humidity sensor 12 is located between the two gas sensors, and the hexagonal nut 13 is screwed into the head of the temperature and humidity sensor 12 and is in threaded connection (namely, the external thread of the head of the temperature and humidity sensor 12 is in threaded connection with the internal thread of the hexagonal nut 13), so that the hexagonal nut 13 is tightly attached to the outer side of one side face of the gas. The temperature and humidity sensor is used for detecting the temperature and humidity inside the detection device of the whole air gaseous pollutant and is used for temperature compensation, so that the detection result is more accurate.
Referring to fig. 4 and 5, based on the detection device for gaseous contaminants in air, the present embodiment further provides a detection system, including the detection device 100 for gaseous contaminants in air, a mounting frame 200, and a host 300; the detection device 100 for gaseous pollutants in air is fixed on the mounting rack 200, and a communication line extending from the top of the detection device 100 for gaseous pollutants in air passes through the mounting rack 200 and is electrically connected with the host computer 300. The main body 300 may be fixed to the mounting frame 200 or may be fixed to the ground, which is not limited herein. The detection device 100 for gaseous pollutants in air performs gas detection and outputs a corresponding concentration value, which is transmitted to the host computer 300 through a communication line for display.
In this embodiment, the mounting frame 200 includes a vertical rod 210, a horizontal arm 220 (hollow), a mounting plate 230 and a positioning frame 240; the positioning frame 240 is fixed in a screwed manner (screwed in and fixed) at a preset position (adjustable as required) of the upright rod 210, the mounting plate 230 is fixed on one side surface of the positioning frame 240 in a screwed manner through 2M 6 × 12 positioning screws (socket head cap screws) 270, and two positioning clamping pieces 250 and a first wire hole 260 for passing through a communication wire are arranged on the mounting plate 230; the side surface of the tail part of the cross arm 220 is provided with two clamping holes matched with the positioning clamping pieces 250, a round hole matched with a positioning screw and a second wire hole for passing through a communication wire; the tail of the cross arm 220 is aligned and abutted with the mounting plate 230, the positioning clamping piece 250 is inserted into the corresponding clamping hole, the positioning screw penetrates through the round hole, the first wire hole is aligned with the second wire hole, so that the cross arm 220 is hung on the mounting plate 230, and the bottom of the tail of the cross arm 220 can be fixedly locked on the mounting plate 230 through a screw to play a role in further reinforcement. The head of the cross arm 220 is provided with a mounting groove 280 with a downward opening, and the side surface of the mounting groove 280 is provided with 3 screw holes 290; the head of the housing top cover 1 is inserted into the mounting groove 280, and 3M 6 × 16 screws (socket head cap screws) 2100 pass through corresponding screw holes and are screwed and clamped in groove wheels of the head, so that abutting, clamping and fixing are realized.
Be the T type setting based on 3 screws (socket head cap screw), can ensure ball machine shell 2 keep balance after the recess wheel butt with shell top cap 1. The screw (socket head cap screw) just blocks in the groove of recess wheel, plays the effect of support through the cam of recess wheel upper and lower side, makes the detection device of air gaseous pollutant can fix in the air.
The working principle of the detection system is as follows: gas is pumped in from the vent hole of the ventilation bottom cover through the air suction of the vacuum pump 11, gas detection is carried out through the 4 gas sensors 14, corresponding electric signals are output, the signals are collected through the signal collecting plate 10 and are processed and analyzed, corresponding concentration values are obtained, and the concentration values are transmitted to a host through a communication line to be displayed.
To sum up, the utility model provides a pair of detection device and detecting system of air gaseous state pollutant adopts the pump to inhale the formula sampling and can adjust the efficiency that gaseous detected, and the gas sensor of plug-in and individual encapsulation change in gas sensor's demarcation, change and installation. The shell of the ball machine adopts an arc-shaped spherical structure, so that the rainproof protection requirement of outdoor installation can be met, and the protection grade is improved; its simple to operate, the fastening is effectual, can also adjust air gaseous pollutant's detection device's height.
The division of the functional modules is only used for illustration, and in practical applications, the functions may be distributed by different functional modules according to needs, that is, the functions may be divided into different functional modules to complete all or part of the functions described above.
It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.
Claims (9)
1. A detection device for air gaseous pollutants is in communication connection with a host, and is characterized by comprising a shell top cover, an arc-shaped ball machine shell, a gas module support, a gas module bottom plate, a ventilation bottom cover, a connector connecting piece for fixing the shell top cover and the ball machine shell, a gas detection module for detecting gas concentration and outputting corresponding electric signals, and a control module for pumping air and processing and displaying the electric signals;
the top cover of the shell is arranged at the top of the shell of the ball machine and is fixed with the shell of the ball machine through a joint connecting piece, the gas module bottom plate is fixed at the bottom of the shell of the ball machine through the shell connecting piece, the gas module support is arranged in the shell of the ball machine and is fixed on the gas module bottom plate in a screwed mode, the gas detection module is arranged in a frame of the gas module support and is fixed with the gas module support in a screwed mode, the control module is fixed on the gas module support in a screwed mode, the gas detection module is electrically connected with the control module, and the control module is in communication connection with a host; the edge of the ventilation bottom cover is aligned with the lower surface of the gas module bottom plate and is fixed in a threaded manner.
2. The apparatus for detecting airborne gaseous pollutants according to claim 1, wherein the joint connection member comprises a waterproof joint and a joint mounting plate, the top end of the waterproof joint passes through the through hole at the top of the ball machine housing and is inserted into the inner top of the housing top cover, the joint mounting plate is inserted and fixed at the bottom end of the waterproof joint, and the joint mounting plate is fixed with the top of the ball machine housing in a threaded manner.
3. The apparatus for detecting airborne gaseous pollutants according to claim 2, wherein the connector mounting plate is provided with 3 screw holes at equal intervals, and the connector mounting plate is fixed with 3 screw holes corresponding to the top of the ball machine housing through 3 screws.
4. The apparatus for detecting airborne gaseous pollutants according to claim 1, wherein the control module comprises a signal acquisition board and a vacuum pump, the signal acquisition board and the vacuum pump are fixed side by side on the gas module support;
the interface on the signal acquisition board is used for receiving the electric signal output by the gas detection module and is connected with the gas detection module through a data line;
the processing circuit on the signal acquisition board is used for controlling the pumping state of the vacuum pump, calculating and filtering the acquired electric signals, outputting concentration values of corresponding gases, transmitting the concentration values to a display screen of the host for display, and connecting the processing circuit with the host through a communication line.
5. The apparatus for detecting airborne gaseous pollutants according to claim 4, wherein the gas detection module comprises 4 gas sensors, each of which is screwed and fixed in a frame of the gas module support;
the gas module support is provided with 4 line holes, and the data line on each sensor passes through the corresponding line hole and is connected with the interface on the signal acquisition board.
6. The airborne gaseous pollutant detection device of claim 5, wherein the gas sensor comprises a package lower cover, a circuit board, a sensor body, a package upper cover and a calibration gas hood;
the sensor main body is provided with a contact pin, and the contact pin is inserted into the circuit board; the circuit board is in threaded connection with the lower packaging cover, a terminal female head on the circuit board penetrates out of a through hole in the lower packaging cover, and the terminal female head is connected with an interface on the signal acquisition board through a data line; the top symmetry of encapsulation lower cover sets up 2 first screws, the encapsulation lower cover passes through threaded connection with the encapsulation upper cover, and the encapsulation upper cover passes through threaded connection with demarcation gas hood.
7. The device for detecting the air gaseous pollutants according to claim 6, wherein the control module further comprises a temperature and humidity sensor and a hexagon nut, the head of the temperature and humidity sensor penetrates through a side through hole in one side face of the gas module support, the tail of the temperature and humidity sensor is located between the two gas sensors, the hexagon nut is screwed into the head of the temperature and humidity sensor and is in threaded connection, and the hexagon nut is tightly attached to the outer side of one side face of the gas module support.
8. A detection system, comprising a mounting frame, a main machine and the device for detecting the airborne gaseous pollutants, wherein the device for detecting the airborne gaseous pollutants is fixed on the mounting frame, and a communication wire extending out of the top of the device for detecting the airborne gaseous pollutants passes through the mounting frame and is electrically connected with the main machine;
the detection device for the air gaseous pollutants performs gas detection and outputs corresponding concentration values, and the concentration values are transmitted to the host computer through a communication line to be displayed.
9. The detection system of claim 8, wherein the mounting bracket comprises a vertical rod, a cross arm, a mounting plate, and a positioning frame; the positioning frame is fixed at a preset position of the upright stanchion in a threaded manner, the mounting plate is fixed at one side surface of the positioning frame in a threaded manner through 2 positioning screws, and two positioning clamping pieces and a first wire hole for passing through a communication wire are arranged on the mounting plate; the side surface of the tail part of the cross arm is provided with two clamping holes matched with the positioning clamping pieces, a round hole matched with the positioning screw and a second wire hole for passing through a communication wire; the tail part of the cross arm is aligned and abutted with the mounting plate, the positioning clamping piece is inserted into the corresponding clamping hole, the positioning screw penetrates through the round hole, the first wire hole is aligned with the second wire hole, and the bottom of the tail part of the cross arm is fixedly locked on the mounting plate through a screw; the head of the cross arm is provided with a mounting groove with a downward opening, and the side surface of the mounting groove is provided with 3 screw holes; the head of shell top cap inserts in the mounting groove, 3 screws pass corresponding screw and screw up the card and fix in the fluted wheel of head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921578648.1U CN210604585U (en) | 2019-09-23 | 2019-09-23 | Detection device and detection system for air gaseous pollutants |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921578648.1U CN210604585U (en) | 2019-09-23 | 2019-09-23 | Detection device and detection system for air gaseous pollutants |
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| CN210604585U true CN210604585U (en) | 2020-05-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441484A (en) * | 2019-09-23 | 2019-11-12 | 深圳市无眼界科技有限公司 | A kind of detection device and detection system of air gaseous pollutant |
| ES2885799A1 (en) * | 2020-06-11 | 2021-12-15 | Kunak Tech S L | EQUIPMENT FOR MEASURING GASES AND ENVIRONMENTAL PARAMETERS (Machine-translation by Google Translate, not legally binding) |
-
2019
- 2019-09-23 CN CN201921578648.1U patent/CN210604585U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441484A (en) * | 2019-09-23 | 2019-11-12 | 深圳市无眼界科技有限公司 | A kind of detection device and detection system of air gaseous pollutant |
| ES2885799A1 (en) * | 2020-06-11 | 2021-12-15 | Kunak Tech S L | EQUIPMENT FOR MEASURING GASES AND ENVIRONMENTAL PARAMETERS (Machine-translation by Google Translate, not legally binding) |
| WO2021250298A1 (en) * | 2020-06-11 | 2021-12-16 | Kunak Technologies, S.L. | Equipment for measuring gases and environmental parameters |
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