CN214277810U - PM2.5 release measuring device for building construction site - Google Patents
PM2.5 release measuring device for building construction site Download PDFInfo
- Publication number
- CN214277810U CN214277810U CN202022468581.5U CN202022468581U CN214277810U CN 214277810 U CN214277810 U CN 214277810U CN 202022468581 U CN202022468581 U CN 202022468581U CN 214277810 U CN214277810 U CN 214277810U
- Authority
- CN
- China
- Prior art keywords
- measuring
- measuring device
- construction site
- release
- collecting cylinder
- 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 discloses a building construction place PM2.5 release measuring device, including being used for realizing PM2.5 numerical measurement's measuring component and being used for installing measuring component's subassembly frame, still including installing the storage assembly on the subassembly frame, storage assembly includes the cylinder that is provided with the piston in it. The measurement method is based on the measurement component. By adopting the measuring system and the measuring method provided by the scheme, not only can the PM2.5 release detection of a building construction site be realized, but also the gas collecting function is realized, so that the PM2.5 release source can be conveniently analyzed.
Description
Technical Field
The utility model relates to an environmental monitoring technical field especially relates to a building construction place PM2.5 release measuring device.
Background
PM2.5 refers to particles having an aerodynamic equivalent diameter of less than or equal to 2.5 microns in the atmosphere, also known as accessible lung particles. Although PM2.5 is only a component of earth's atmospheric composition in small amounts, it has important effects on air quality and visibility, among others: according to the difference of PM2.5 particle sources, even though a large amount of toxic and harmful substances do not exist in the particles, the PM2.5 particle size is small, the retention time of the PM2.5 particle size in the atmosphere is long, and the conveying distance is long, so that the influence on the human health and the quality of the atmospheric environment is large. With the maturity of the PM2.5 detection technology, the detection cost is reduced, and a large amount of PM2.5 detection applications are currently available. The most widely used detection method is based on the principle of light reflection.
Sources of PM2.5 currently available include human sources such as fuel burning in human life activities, cooking, industrial activities, etc. At present, although PM2.5 detection is widely applied, no PM2.5 environmental quality detection means aiming at a building construction site is found.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem who provides not see the PM2.5 environmental quality detection means who has to the building construction place, the utility model provides a building construction place PM2.5 release measuring device adopts the measurement system and the measuring method that this scheme provided, not only can realize building construction place PM2.5 release and detect, has the gas collection function simultaneously to be convenient for analyze PM2.5 release source.
The utility model provides a building construction place PM2.5 release measuring device solves the problem through following technical essential, building construction place PM2.5 release measuring device, including the subassembly frame that is used for realizing PM2.5 numerical measurement's measuring component and is used for installing measuring component, still including installing the storage assembly on the subassembly frame, the storage assembly includes the collecting vessel that is provided with the piston in it.
When the device is used specifically, the measuring assembly is used for measuring an environment PM2.5 value, the containing assembly is used for containing an environment medium, and therefore, when the measured PM2.5 value exceeds a set threshold value, the piston on the containing assembly is driven to move, the collecting cylinder is enabled to execute medium suction action, the environment medium under the environment at that time is stored in the collecting cylinder for subsequent gas composition analysis, and the purpose of helping building construction to evaluate the environment influence and optimizing the building construction operation process is achieved by tracing the source of the particulate matters in the atmosphere.
The further technical scheme is as follows:
in order that, as for a plurality of PM2.5 value peaks appearing in a measurement period, each has a containing component for containing the ambient gas at the time, the following settings are set: the number of the receiving assemblies is multiple.
As a technical scheme that the output value of being convenient for through measuring component for but each collecting vessel gathers ambient gas automated operation, set up to: the linear motor is used for driving the piston to move along the axis direction of the linear motor. The linear motor is a power source for driving the piston to execute a medium suction action.
In order to make the environment medium after being inhaled the collecting vessel, it can be kept apart for external environment before being drawn forth and be used for composition analysis, reaches and avoids because environment medium is detained in the collecting vessel, because take place the accuracy that medium exchange influences final analysis result with external environment, sets up as: the front end of the collecting cylinder is also provided with an inlet pipe used for introducing fluid into the collecting cylinder, and the collecting cylinder further comprises a plug body installed in the inlet pipe, and the plug body is used for realizing that: under the condition that the pressures on the two sides are equal, the pressure-resistant rubber plug is used as a plugging plug for isolating the inner space of the collecting cylinder from the outside; under the condition that the pressure inside the collecting cylinder is smaller than the external pressure, the plug body deforms or displaces under the action of the pressure difference, so that the inner space of the collecting cylinder is in a conducting relation with the outside under the action of the inlet pipe. As a person skilled in the art, when the piston moves away from the medium suction port on the collecting cylinder, a negative pressure environment can be formed between the suction port and the piston, and at the moment, under the pressure difference, the blocking state of the plug body can be released; and when the pressure on the two sides of the plug body is not enough to maintain the opening state of the plug body along with the suction of the external gas into the collecting cylinder, the plug body is closed, and the required closed environment of the collecting cylinder can be obtained. An inlet tube is used to introduce ambient gas for subsequent interfacing with an inlet location of an analytical device to provide a medium under test to the analytical device.
Than being convenient for wash storage assembly to do benefit to the accuracy of next time composition analysis, as a simple structure, the cock body itself is convenient for dismantle in order to accomplish storage assembly abluent technical scheme, sets up to: the pipe hole of inlet tube front end is step poroid, the cock body is the annular rubber buffer that the middle part can be opened under the pressure differential effect, and the cock body is embedded into by the front end of inlet tube in the pipe hole and support on the step face of pipe hole. When the plug is used specifically, the plug can be arranged in the radial direction of the plug body, the thickness of the plug body is continuously thickened from the inside to the outside of the plug body, the plug body is conical, the tip faces the piston, the center of the tip is not in a continuous structure mode, therefore, the plug body is completely used as a shape maintaining ring to form a reliable matching relation of the plug body on an inlet pipe, when pressure difference between two sides is formed, deformation is generated locally through the plug body, the center position of the tip is opened, and a communication channel for communicating the inside and the outside of a collecting cylinder is obtained on the plug body.
To facilitate removal of the cartridge to enable the cartridge to carry gas therein for component analysis, provision is made for: the collecting cylinder is detachably connected to the assembly frame. The clamping plate can be fixed on the collecting cylinder according to the scheme of matching the linear motor, the clamping groove matched with the clamping plate is arranged on the workbench, the constraint position of the edge of the clamping groove on the clamping plate is located between the linear motor and the clamping plate, and the upper end of the clamping groove is open. Like this, when the piston moved to the one side of keeping away from the cardboard, the draw-in groove edge made the cock body can move at the axis direction of collecting vessel for the collecting vessel to the support of collecting vessel, and when the collecting vessel need be taken out, lifted the collecting vessel and can be accomplished the collecting vessel and separated on by the workstation.
In order to realize PM2.5 numerical measurement of different height positions, the following settings are set: the assembly frame comprises a base, a telescopic rod and a workbench, the base and the workbench are respectively fixed at the lower end and the upper end of the telescopic rod, and the storage assembly and the measuring assembly are both installed on the workbench. When specifically using, can adopt hydraulic pressure mechanism to take place flexible drive division as the telescopic link to carry the power supply through self, be convenient for realize this scheme automatic operation.
Be different from general PM2.5 numerical measurement, if spout a construction, broken construction, can form a large amount of particulate matters in the air in the short time probably, for avoid for example based on infrared ray, laser measuring assembly because light emission end, receiving terminal cover particulate matter lead to measuring assembly to lose measuring ability and can not be perceived for construction side or detection side, set up to: the number of the measuring assemblies is multiple, and the installation angles of at least two measuring assemblies on the assembly frame are different. In this scheme, the measuring unit who utilizes different installation angle can form the characteristics of equidirectional air current, judges through the difference of different angle measuring unit measuring result, judges whether there is the problem that measuring unit became invalid.
As a specific form of a measuring assembly which has a simple structure and can output the current detection result in real time, the method adopts the following steps: the measuring component comprises an air duct, a PM2.5 detecting sensor arranged in the air duct and an axial flow fan. Aiming at the installation angles, different air duct installation angles are adopted. For the PM2.5 detection sensor, in order to reduce the influence of the covering particulate matter on the measurement result, it is preferable to set the PM2.5 detection sensor to be disposed on the left and right sides of the inner wall of the air duct.
The scheme also discloses a PM2.5 release measuring method for the building construction site, which is based on the measuring system, and the measuring method is realized by the following steps:
s1, completing the installation of the measuring system in the measuring environment;
and S2, the measuring component works, and when the PM2.5 value result detected by the measuring component is larger than the set threshold value, the piston on the containing component is driven to move, so that the environmental medium of the measuring environment is sucked into the collecting cylinder. As mentioned above, by adopting the scheme, the PM2.5 numerical value of a building construction site can be measured, and meanwhile, the environmental gas of the measurement environment at a certain moment in the measurement process can be collected as required, so that the influence of building construction on the environment can be analyzed and the specific construction process can be improved through subsequent component analysis.
The utility model discloses following beneficial effect has:
when the device is used specifically, the measuring assembly is used for measuring an environment PM2.5 value, the containing assembly is used for containing an environment medium, and therefore, when the measured PM2.5 value exceeds a set threshold value, the piston on the containing assembly is driven to move, the collecting cylinder is enabled to execute medium suction action, the environment medium under the environment at that time is stored in the collecting cylinder for subsequent gas composition analysis, and the purpose of helping building construction to evaluate the environment influence and optimizing the building construction operation process is achieved by tracing the source of the particulate matters in the atmosphere.
Drawings
Fig. 1 is a front view of an embodiment of a device for measuring PM2.5 release in a construction site according to the present invention;
fig. 2 is a schematic structural diagram of a storage assembly in one embodiment of the device for measuring PM2.5 release in a construction site of the present invention, the schematic diagram is a perspective view.
The reference numbers in the figures are in order: 1. the base, 2, telescopic link, 3, flexible drive division, 4, workstation, 5, accomodate the subassembly, 6, measuring component, 7, a collecting vessel, 8, inlet tube, 9, cock body, 10, piston, 11, cardboard, 12, linear electric motor.
Detailed Description
The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the following examples.
Example 1:
as shown in fig. 1 and 2, the PM2.5 release measuring device for the construction site comprises a measuring component 6 for realizing PM2.5 numerical measurement, a component frame for installing the measuring component 6, and a containing component 5 installed on the component frame, wherein the containing component 5 comprises a collecting cylinder 7 in which a piston 10 is arranged.
When the scheme is specifically applied, the measuring component 6 is used for measuring the PM2.5 value of the environment, and the containing component 5 is used for containing the environment medium, so that when the measured PM2.5 value exceeds a set threshold value, the piston 10 on the containing component 5 is driven to move, the collecting cylinder 7 executes medium suction action, the environment medium under the environment at that time is stored in the collecting cylinder 7 for subsequent gas composition analysis, and the purposes of helping the building construction to evaluate the environment influence and optimizing the building construction operation process are achieved by tracing the source of the particulate matters in the atmosphere.
Example 2:
as shown in fig. 1 and fig. 2, the present embodiment is further defined on the basis of embodiment 1: in order that there is one housing assembly 5 for housing the ambient gas at the time of the day, as for a plurality of PM2.5 value peaks occurring within the measurement period, it is provided that: the number of the storage units 5 is plural.
As a technical scheme which is convenient for the collection of the environmental gas by each collecting cylinder 7 through the output value of the measuring component 6 and can automatically operate, the technical scheme is as follows: and a linear motor 12 for driving the piston 10 to move along the axis direction thereof. The linear motor 12 is a power source for driving the piston 10 to perform a medium suction operation.
In order to make the environmental medium sucked into the collecting cylinder 7 and before being led out for component analysis, the environmental medium can be isolated relative to the external environment, so as to avoid influencing the accuracy of the final analysis result because the environmental medium is retained in the collecting cylinder 7 and the medium exchange is carried out with the external environment, the method is set as follows: the front end of the collecting cylinder 7 is further provided with an inlet pipe 8 for introducing fluid into the collecting cylinder 7, and further comprises a plug body 9 installed in the inlet pipe 8, wherein the plug body 9 is used for realizing: under the condition that the pressures on the two sides are equal, the plug is used as a blocking plug for isolating the inner space of the collecting cylinder 7 from the outside; under the condition that the pressure inside the collecting cylinder 7 is lower than the ambient pressure, the plug body 9 deforms or displaces under the action of the pressure difference, so that the inner space of the collecting cylinder 7 and the outside are in a communication relation under the action of the inlet pipe 8. As a person skilled in the art, when the piston 10 moves away from the medium suction port on the collecting cylinder 7, a negative pressure environment can be formed between the suction port and the piston 10, and at this time, under the pressure difference, the blocking state of the plug body 9 can be released; when the pressure on the two sides of the plug body 9 is not enough to maintain the opening state of the plug body 9 as the outside air is sucked into the collecting cylinder 7, the plug body 9 is closed, and the required closed environment of the collecting cylinder 7 can be obtained. An inlet tube 8 is used to introduce ambient gas for subsequent interfacing with an inlet location of an analytical device to provide the medium under test to the analytical device.
Than being convenient for wash storage assembly 5 to do benefit to the accuracy of next time composition analysis, as a simple structure, cock body 9 itself convenient to detach sets up to in order to accomplish storage assembly 5 abluent technical scheme: the tube hole of 8 front ends of inlet tubes is step poroid, cock body 9 is the annular rubber buffer that the middle part can open under the pressure differential effect, and cock body 9 is embedded by the front end of inlet tube 8 in the tube hole and support on the step face of tube hole. In specific application, the plug body 9 can be arranged to be continuously thickened from the inside to the outside of the plug body 9 along the radial direction of the plug body 9, the plug body 9 is conical, the tip end faces the piston 10, and the center of the tip end is not in a continuous structure mode, so that the plug body 9 is completely used as a shape maintaining ring to form a reliable matching relation of the plug body 9 on the inlet pipe 8, and when a pressure difference between two sides is formed, the plug body 9 is locally deformed, the center position of the tip end is opened, and a communication channel for communicating the inside and the outside of the collecting cylinder 7 is obtained on the plug body 9.
To facilitate removal of the cartridge 7 to enable the cartridge 7 to carry the gas therein for component analysis, provision is made for: the collecting cylinder 7 is detachably connected to the assembly frame. Aiming at the scheme of matching the linear motor 12, the clamping plate 11 can be fixed on the collecting cylinder 7, meanwhile, a clamping groove matched with the clamping plate 11 is arranged on the workbench 4, the constraint position of the edge of the clamping groove on the clamping plate 11 is positioned between the linear motor 12 and the clamping plate 11, and the upper end of the clamping groove is opened. Thus, when the piston 10 moves to the side far away from the clamping plate 11, the support of the clamping groove edge to the collecting cylinder 7 enables the plug body 9 to move relative to the collecting cylinder 7 in the axial direction of the collecting cylinder 7, and when the collecting cylinder 7 needs to be taken out, the collecting cylinder 7 is lifted up to complete the separation of the collecting cylinder 7 from the workbench 4.
In order to realize PM2.5 numerical measurement of different height positions, the following settings are set: the assembly frame comprises a base 1, a telescopic rod 2 and a workbench 4, wherein the base 1 and the workbench 4 are respectively fixed at the lower end and the upper end of the telescopic rod 2, and a containing assembly 5 and a measuring assembly 6 are both installed on the workbench 4. When specifically using, can adopt hydraulic pressure mechanism to take place flexible drive division 3 as telescopic link 2 to carry the power supply through self, be convenient for realize this scheme automatic operation.
Be different from general PM2.5 numerical measurement, if spout a construction, broken construction, can form a large amount of particulate matters in the air in the short time probably, for avoid for example based on infrared ray, laser measuring component 6 because light emission end, receiving end cover particulate matter lead to measuring component 6 to lose measuring ability and can not be perceived for construction side or detection side, set up to: the number of the measuring components 6 is multiple, and the installation angles of at least two measuring components 6 on the component frame are different. In this scheme, utilize the measuring component 6 of different installation angle to form the characteristics of equidirectional air current not, judge through the difference of the 6 measuring results of different angle measuring component, judge whether there is the problem that measuring component 6 became invalid.
As a specific form of the measuring component 6 which has a simple structure and can output the current detection result in real time, the following steps are adopted: the measuring component 6 comprises an air duct, a PM2.5 detecting sensor arranged in the air duct and an axial flow fan. Aiming at the installation angles, different air duct installation angles are adopted. For the PM2.5 detection sensor, in order to reduce the influence of the covering particulate matter on the measurement result, it is preferable to set the PM2.5 detection sensor to be disposed on the left and right sides of the inner wall of the air duct.
Example 3:
the present embodiment provides a PM2.5 release measurement method for a building construction site, which is based on the measurement system as described in any one of the above embodiments, and is implemented by the following steps:
s1, completing the installation of the measuring system in the measuring environment;
and S2, the measuring component 6 works, and when the PM2.5 value result detected by the measuring component 6 is larger than the set threshold value, the piston 10 on the containing component 5 is driven to move, so that the environmental medium of the measuring environment is sucked into the collecting cylinder 7. As mentioned above, by adopting the scheme, the PM2.5 numerical value of a building construction site can be measured, and meanwhile, the environmental gas of the measurement environment at a certain moment in the measurement process can be collected as required, so that the influence of building construction on the environment can be analyzed and the specific construction process can be improved through subsequent component analysis.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model belongs to the technical field of the ordinary skilled person say, do not deviate from the utility model discloses a other embodiments that reach under the technical scheme all should be contained the utility model discloses a within the scope of protection.
Claims (8)
1. Building construction place PM2.5 releases measuring device, including being used for realizing PM2.5 numerical measurement's measuring unit (6) and being used for installing the subassembly frame of measuring unit (6), characterized by, still including installing storage assembly (5) on the subassembly frame, storage assembly (5) are including collection tube (7) that are provided with piston (10) in it, the front end of collection tube (7) still is provided with inlet tube (8) that are arranged in leading fluid to collection tube (7), still including installing cock body (9) in inlet tube (8), cock body (9) are used for realizing: under the condition that the pressures on the two sides are equal, the pressure is used as a plugging plug for isolating the inner space of the collecting cylinder (7) from the outside; under the condition that the pressure inside the collecting cylinder (7) is lower than the external pressure, the plug body (9) deforms or displaces under the action of differential pressure, so that the internal space of the collecting cylinder (7) and the external environment are in a conducting relation under the action of the inlet pipe (8).
2. The construction site PM2.5 release measuring device according to claim 1, wherein the number of the housing assemblies (5) is plural.
3. The construction site PM2.5 release measuring device according to claim 1, further comprising a linear motor (12) for driving the piston (10) to move in its axial direction.
4. The construction site PM2.5 release measuring device according to claim 1, wherein the pipe hole at the front end of the inlet pipe (8) is in a step hole shape, the plug body (9) is an annular rubber plug with the middle part capable of being opened under the action of pressure difference, and the plug body (9) is embedded into the pipe hole from the front end of the inlet pipe (8) and supported on the step surface of the pipe hole.
5. Construction site PM2.5 release measuring device according to claim 1, characterized in that the collecting cylinder (7) is detachably connected to the assembly frame.
6. The PM2.5 release measuring device for the building construction site according to claim 1, wherein the component frame comprises a base (1), an expansion link (2) and a workbench (4), the base (1) and the workbench (4) are respectively fixed at the lower end and the upper end of the expansion link (2), and the accommodating component (5) and the measuring component (6) are both installed on the workbench (4).
7. The construction site PM2.5 release measuring device according to claim 1, wherein the number of the measuring units (6) is plural, and at least two measuring units (6) are installed at different angles on the unit frame from each other.
8. The construction site PM2.5 release measuring device according to claim 1, wherein the measuring component (6) comprises an air duct, a PM2.5 detection sensor installed in the air duct, and an axial flow fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022468581.5U CN214277810U (en) | 2020-10-30 | 2020-10-30 | PM2.5 release measuring device for building construction site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022468581.5U CN214277810U (en) | 2020-10-30 | 2020-10-30 | PM2.5 release measuring device for building construction site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214277810U true CN214277810U (en) | 2021-09-24 |
Family
ID=77773166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022468581.5U Active CN214277810U (en) | 2020-10-30 | 2020-10-30 | PM2.5 release measuring device for building construction site |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214277810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112345423A (en) * | 2020-10-30 | 2021-02-09 | 中信国安建工集团有限公司 | PM2.5 release measuring system and method for building construction site |
-
2020
- 2020-10-30 CN CN202022468581.5U patent/CN214277810U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112345423A (en) * | 2020-10-30 | 2021-02-09 | 中信国安建工集团有限公司 | PM2.5 release measuring system and method for building construction site |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214277810U (en) | PM2.5 release measuring device for building construction site | |
| CN203672855U (en) | Portable air quality detecting instrument based on T-shaped channel | |
| CN211292462U (en) | Aerosol particle collecting and sampling system | |
| CN108318405A (en) | Filter membrane/filter cylinder arresting efficiency and resistance detection device | |
| CN115468885A (en) | Dust concentration test assembly | |
| CN215492706U (en) | Motor vehicle tail gas emission collecting and testing device | |
| CN112345423A (en) | PM2.5 release measuring system and method for building construction site | |
| CN113820242A (en) | Air sampling detection system | |
| CN213422921U (en) | Simulation model for road dust dispersion law of building construction site | |
| CN205403835U (en) | Portable smoke and dust tester | |
| CN201164466Y (en) | Carbon dioxide accumulation card | |
| CN203414061U (en) | Installation quality detection device of a damping support pad | |
| CN212059824U (en) | Canister protection time detection device | |
| CN210090151U (en) | Atmospheric pollution detection device | |
| CN101876583A (en) | Filter-press type leakage detector for bag-type dust remover | |
| CN211263515U (en) | Waste gas treatment is with pipeline detection device with velocity of flow real-time detection function | |
| CN218956529U (en) | Atmospheric monitoring equipment capable of rapidly self-checking leakage point | |
| CN207147733U (en) | A kind of automatic leak-checking apparatus of lithium ion battery | |
| CN112432883A (en) | Device and method for simulating spreading law of raised dust on roads in building construction site | |
| CN219957283U (en) | Air filter aerosol interception tester | |
| CN221148229U (en) | Atmospheric environment monitoring equipment | |
| CN205844302U (en) | A kind of on-the-spot emergent rapid detection box | |
| CN219369290U (en) | Air sampling device | |
| CN220305274U (en) | Exhaust emission detection device | |
| CN220455927U (en) | Indoor air sampling analysis pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |