CN113643516A - Environmental pollution detection alarm system and alarm device - Google Patents
Environmental pollution detection alarm system and alarm device Download PDFInfo
- Publication number
- CN113643516A CN113643516A CN202111194909.1A CN202111194909A CN113643516A CN 113643516 A CN113643516 A CN 113643516A CN 202111194909 A CN202111194909 A CN 202111194909A CN 113643516 A CN113643516 A CN 113643516A
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- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 238000003912 environmental pollution Methods 0.000 title claims abstract description 23
- 230000008054 signal transmission Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 20
- 238000009423 ventilation Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 4
- 230000003993 interaction Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000003915 air pollution Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a threshold to release an alarm or displaying means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
- G01N33/0067—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display by measuring the rate of variation of the concentration
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Biochemistry (AREA)
- Medicinal Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Thermal Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Toxicology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an environmental pollution detection alarm system, and relates to the technical field of detection equipment. The gas detector comprises a gas sensor, a signal transmission module, a data processor and a memory, the gas sensor transmits detected data signals to the data processor, the data processor uploads the detected data signals to the area network through the signal transmission module, and the data processor transmits the detected data signals to the memory for backup. The invention can detect the quality of the air to be detected in real time through the alarm, realize timeliness of the monitored data, effectively improve the monitoring strength of environmental pollution and reduce the use of manpower.
Description
Technical Field
The invention belongs to the technical field of detection equipment, and particularly relates to an environmental pollution detection alarm system and an alarm device.
Background
The quality of the air is judged according to the concentration of pollutants in the air; air pollution is a complex phenomenon, and the concentration of air pollutants at a particular time and place is influenced by many factors; the size of the emission of man-made pollutants from stationary and mobile pollution sources is one of the most important factors affecting the air quality, including the exhaust from vehicles, ships, airplanes, industrial production emissions, residential and heating, waste incineration, etc. Along with the development of cities, urban population is more and more dense, harmful industrial gas discharged in industrial production pollutes the environment more and more seriously, air pollution seriously affects the life of people, and the serious air pollution harms the life of people.
Disclosure of Invention
The invention aims to provide an environmental pollution detection alarm system and an environmental pollution detection alarm device, wherein the detection of the quality of air to be detected is finished in real time through the alarm device, the detected data are transmitted to a data monitoring center, the monitored data have timeliness, the monitoring strength of environmental pollution is effectively improved, the use of manpower is reduced, and the related problems in the background technology are solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an environmental pollution detection alarm system which comprises a data monitoring center and an alarm, wherein data interaction is completed between the data monitoring center and the alarm through a regional network, the alarm comprises a cabinet body, a gas detector is fixed in the cabinet body, a gas inlet pipe of the gas detector penetrates through the cabinet body and extends to the outside of the cabinet body, the gas detector comprises a gas sensor, a signal transmission module, a data processor and a memory, the gas sensor transmits detected data signals to the data processor, the data processor uploads the detected data signals to the regional network through the signal transmission module, and meanwhile, the data processor transmits the detected data signals to the memory for backup.
Further, the data processor is connected with the mobile terminal through a signal transmission module.
Further, the mobile terminal is any one of a mobile phone, a notebook computer and a tablet computer.
An environmental pollution detection alarm device comprises an alarm, wherein the alarm comprises a cabinet body; the cabinet door is installed on the opening that cabinet body one side was equipped with, it has the air inlet to open on the another side of the cabinet body, the portion of taking a breath is installed in the cooperation on the air inlet, cabinet internal portion is fixed with gaseous detector, gaseous detector's intake pipe passes the cabinet body and extends to the external portion of cabinet.
Further, the ventilation part comprises a box body, a communication part and a power component; the communicating part is installed in the box body in a matching mode, and the installed power part drives the communicating part to slide in the box body.
Further, the box body main part is an outer shell with an opening, the opening of the outer shell is communicated with the inside of the cabinet body, two groups of vertical plates are symmetrically arranged on the bottom surface of the outer shell, wherein any two adjacent vertical plates are parallel to each other and form a channel, cover plates cover the outer sides of the two groups of vertical plates, and the middle parts of the two groups of vertical plates form a groove body, wherein a groove hole which is communicated with the channel formed by the vertical plates is formed in the cover plate on the upper side, a first sealing plate which is opened in one direction is installed in the groove hole, an opening communicated with the channel formed by the vertical plates on the lower side is formed in the bottom of the outer side of the cover plate, and a second sealing plate which is opened in one direction is installed in the opening.
Further, the communicating part comprises a pipe body and a cross rod, a plurality of parallel pipe bodies are fixed on the cross rod, ports of the pipe bodies are slidably mounted in the channel formed by the two adjacent vertical plates, and a sealing plate II is mounted at the port on the upper side of the pipe bodies.
Furthermore, a plurality of balls are evenly distributed on the outer side surface of the port of the tube body.
Further, the power part comprises a connecting rod and a motor, the motor is fixed on the cover plate, and an eccentric shaft arranged at the output end of the motor is connected with a connecting seat arranged on the cross rod through the connecting rod.
The invention has the following beneficial effects:
1. according to the invention, the detection of the air quality to be detected is completed in real time through the alarm, and the detected data is transmitted to the data monitoring center, so that the monitoring data has timeliness, the monitoring force on environmental pollution is effectively improved, and the use of manpower is reduced.
2. The air inlet pipe of the gas detector extends to the outside, so that air flowing from the outside can enter the gas detector conveniently, and the randomness of the air detection process is ensured; in addition, the air inlet is provided with the air exchange part in a matching manner, so that the exchange of external air and internal air is realized, the cooling and heat dissipation of the interior of the cabinet body are realized, and a proper working environment is provided for the gas detector.
3. The connecting rod arranged on the eccentric shaft of the motor drives the communicating part to reciprocate up and down in the groove body, when the communicating part moves upwards, the sealing plate II is arranged at the upper end part of the pipe body, the closed end part pushes air in a channel formed by two adjacent vertical plates at the upper side to push the sealing plate I to open, so that the air enters the cabinet body, the channel formed by the two adjacent vertical plates at the lower side is increased in volume, and external air pushes the sealing plate II to open to enter the channel at the lower side under the negative pressure condition to realize external air entering, so that air inlet is realized conveniently.
4. When the communicating part moves downwards, the two adjacent vertical plates on the upper side form a channel to be enlarged, and under the negative pressure condition, the sealing plate II is installed at the upper end part of the pipe body and rotates upwards to be opened, so that air in the lower side channel enters the upper side channel to push the arranged sealing plate I to be opened, lower side air inlet is facilitated, the arranged air inlet structure is small in size, and the heat dissipation requirement of the small-size box body is met conveniently.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a partial schematic view of the present invention;
FIG. 5 is a schematic view of the structure of the ventilation part of the present invention;
FIG. 6 is a schematic cross-sectional view of FIG. 5 according to the present invention;
FIG. 7 is a schematic diagram of the structure of the case according to the present invention;
FIG. 8 is a schematic cross-sectional view of FIG. 7 in accordance with the present invention;
FIG. 9 is a schematic view of the connecting portion structure of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-cabinet body, 11-opening, 12-air inlet, 2-cabinet door, 3-ventilation part, 4-gas detector, 41-air inlet pipe, 5-air inlet cap, 6-box body, 61-outer shell, 62-vertical plate, 63-cover plate, 631-slotted hole, 64-sealing plate I, 65-groove body, 66-opening, 67-sealing plate II, 7-communicating part, 71-pipe body, 72-sealing plate II, 73-cross bar, 74-connecting seat, 75-ball, 8-power part, 81-connecting rod and 82-motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
The first embodiment is as follows:
as shown in fig. 1, the invention relates to an environmental pollution detection alarm system, which comprises a data monitoring center and an alarm, wherein data interaction between the data monitoring center and the alarm is completed through a regional network, the alarm comprises a cabinet body 1, a gas detector 4 is fixed in the cabinet body 1, a gas inlet pipe 41 of the gas detector 4 penetrates through the cabinet body 1 and extends to the outside of the cabinet body 1, the gas detector 4 comprises a gas sensor, a signal transmission module, a data processor and a memory, the gas sensor transmits a detected data signal to the data processor, the data processor uploads the detected data signal to the regional network through the signal transmission module, and the data processor transmits the detected data signal to the memory for backup.
Through the alarm that is equipped with, real-time completion detects week survey air quality to data transmission to the data monitoring center that will detect, the data that realize the control have the ageing, and effectual improvement reduces the use of manpower to environmental pollution's control dynamics simultaneously.
The data processor is connected with the mobile terminal through the signal transmission module.
The mobile terminal is any one of a mobile phone, a notebook computer and a tablet computer.
Example two:
as shown in fig. 2-9, an environmental pollution detection alarm device comprises an alarm, wherein the alarm comprises a cabinet body 1;
a cabinet door 2 is arranged on an opening arranged on one side of the cabinet body 1, an air inlet 12 is arranged on the other side surface of the cabinet body 1, and a ventilation part 3 is arranged on the air inlet 12 in a matching way;
the inside gaseous detector 4 that is fixed with of cabinet body 1, the intake pipe 41 of gaseous detector 4 passes cabinet body 1 and extends to cabinet body 1 outside, and the cap 5 of admitting air is installed on the top of intake pipe 41.
The air inlet pipe 41 of the gas detector 4 extends to the outside, so that air flowing from the outside can enter the gas detector 4 conveniently, and the randomness of the air detection process is ensured; in addition, the air inlet 12 is provided with the air exchange part 3 in a matching manner, so that exchange between external air and internal air is realized, cooling and heat dissipation of the inside of the cabinet body 1 are realized, and a proper working environment is provided for the gas detector 4.
The ventilation part 3 comprises a box body 6, a communication part 7 and a power component 8; the communicating part 7 is arranged in the box body 6 in a matching way, and the arranged power component 8 drives the communicating part 7 to slide in the box body 6.
The main body of the box body 6 is an outer shell 61 with an opening, the opening of the outer shell 61 is communicated with the inside of the cabinet body 1, two groups of vertical plates 62 are symmetrically arranged on the bottom surface of the outer shell 61, wherein any two adjacent vertical plates 62 are parallel to each other and form a channel, cover plates 63 cover the outer sides of the two groups of vertical plates 62, and a groove body 65 is formed in the middle of the two groups of vertical plates 62;
The cover plate 63 on the upper side is provided with a slot hole 631 communicated with the channel formed by the vertical plate 2, a first sealing plate 64 opened in one direction is installed in the slot hole 631, the bottom of the outer side of the cover plate 63 is provided with an opening 66 communicated with the channel formed by the vertical plate 62 on the lower side, and a second sealing plate 67 opened in one direction is installed in the opening 66.
The communicating part 7 comprises a pipe body 71 and a cross rod 73, a plurality of parallel pipe bodies 71 are fixed on the cross rod 73, and the end ports of the pipe bodies 71 are slidably arranged in a channel formed by two adjacent vertical plates 62; a second sealing plate 72 is mounted at the port on the upper side of the pipe body 71.
A plurality of balls 75 are uniformly distributed on the outer side surface of the port of the tube body 71.
The power part 8 comprises a connecting rod 81 and a motor 82, the motor 82 is fixed on the cover plate 63, and an eccentric shaft arranged at the output end of the motor 82 is connected with a connecting seat 74 arranged on the cross rod 73 through the connecting rod 81.
The connecting rod 81 arranged on the eccentric shaft of the motor 82 drives the communicating part 7 to reciprocate up and down in the groove body 65, when the communicating part 7 moves upwards, because the upper end part of the pipe body 71 is provided with the sealing plate II 72, the closed end part pushes the air in the channel formed by the two adjacent vertical plates 62 at the upper side to push the arranged sealing plate I64 to open, so that the air enters the cabinet body 1, the channel formed by the two adjacent vertical plates 62 at the lower side has increased volume, and the external air pushes the sealing plate II 67 to open to enter the channel at the lower side under the negative pressure condition to realize the entrance of the external air;
When the communicating part 7 that is equipped with moves down, two adjacent risers 62 of upside constitute the passageway increase, under the negative pressure condition, because the upper end of body 71 installs two 72 of closing plate and upwards rotates and open, the air promotion that the gas among the downside passageway got into in the upside passageway is equipped with one 64 of closing plate and opens, is convenient for carry on the downside and admits air, and the air inlet structure that is equipped with is small, is convenient for satisfy the heat dissipation demand of small-size box.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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 do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The utility model provides an environmental pollution detects alarm system, includes data monitoring center and alarm, its characterized in that:
the data monitoring center and the alarm complete data interaction through a regional network;
the alarm comprises a cabinet body (1), wherein a gas detector (4) is fixed inside the cabinet body (1), and a gas inlet pipe (41) of the gas detector (4) penetrates through the cabinet body (1) and extends to the outside of the cabinet body (1);
the gas detector (4) comprises a gas sensor, a signal transmission module, a data processor and a memory, wherein the gas sensor transmits detected data signals to the data processor, the data processor uploads the detected data signals to a regional network through the signal transmission module, and meanwhile, the data processor transmits the detected data signals to the memory for backup.
2. The environmental pollution detection alarm system according to claim 1, wherein the data processor is connected with the mobile terminal through a signal transmission module.
3. The environmental pollution detection alarm system according to claim 2, wherein the mobile terminal is any one of a mobile phone, a notebook computer and a tablet computer.
4. An environmental pollution detection alarm device, comprising the alarm device of any one of claims 1 to 3, wherein the alarm device further comprises a ventilation part (3);
install cabinet door (2) on the opening that cabinet body (1) one side was equipped with, it has air inlet (12) to open on the another side of the cabinet body (1), portion of taking a breath (3) are installed in the cooperation on air inlet (12).
5. The environmental pollution detection alarm device according to claim 4, wherein the ventilation part (3) comprises a box body (6), a communication part (7) and a power component (8); the communicating part (7) is installed in the box body (6) in a matching mode, and the installed power component (8) drives the communicating part (7) to slide in the box body (6).
6. The environmental pollution detection alarm device according to claim 5, wherein the main body of the box body (6) is an outer shell (61) with an opening, the opening of the outer shell (61) is communicated with the inside of the cabinet body (1), two groups of vertical plates (62) are symmetrically arranged on the bottom surface of the outer shell (61), wherein any two adjacent vertical plates (62) are parallel to each other and form a channel, cover plates (63) are respectively covered on the outer sides of the two groups of vertical plates (62), and a groove body (65) is formed in the middle of the two groups of vertical plates (62);
The cover plate (63) positioned on the upper side is provided with a slotted hole (631) communicated with a channel formed by the vertical plate (2), a first sealing plate (64) opened in a single direction is installed in the slotted hole (631), the bottom of the outer side of the cover plate (63) is provided with an opening (66) communicated with the channel formed by the vertical plate (62) on the lower side, and a second sealing plate (67) opened in the single direction is installed in the opening (66).
7. The environmental pollution detection alarm device according to claim 6, wherein the communication part (7) comprises a tube body (71) and a cross bar (73), the cross bar (73) is fixed with a plurality of tube bodies (71) which are arranged in parallel, and the ports of the tube bodies (71) are slidably mounted in the channel formed by two adjacent vertical plates (62);
and a second sealing plate (72) is arranged at the port on the upper side of the pipe body (71).
8. The environmental pollution detection alarm device according to claim 7, wherein a plurality of balls (75) are uniformly distributed on the outer side surface of the port of the tube body (71).
9. The environmental pollution detection alarm device according to claim 7, wherein the power component (8) comprises a connecting rod (81) and a motor (82), the motor (82) is fixed on the cover plate (63), and an eccentric shaft arranged at the output end of the motor (82) is connected with a connecting seat (74) arranged on the cross rod (73) through the connecting rod (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111194909.1A CN113643516B (en) | 2021-10-14 | 2021-10-14 | Environmental pollution detection alarm system and alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111194909.1A CN113643516B (en) | 2021-10-14 | 2021-10-14 | Environmental pollution detection alarm system and alarm device |
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| Publication Number | Publication Date |
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| CN113643516A true CN113643516A (en) | 2021-11-12 |
| CN113643516B CN113643516B (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111194909.1A Active CN113643516B (en) | 2021-10-14 | 2021-10-14 | Environmental pollution detection alarm system and alarm device |
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| Country | Link |
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| CN (1) | CN113643516B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115666026A (en) * | 2022-09-15 | 2023-01-31 | 南京晗创智能科技有限公司 | Deep basal pit monitoring measurement station protection device |
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2021
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| US7026948B1 (en) * | 1999-03-25 | 2006-04-11 | Runner & Sprue Limited | Alarm with removable detection circuitry cartridge |
| CN108627614A (en) * | 2018-04-28 | 2018-10-09 | 四川佳士特环境检测有限公司 | A kind of intelligent air quality detection device |
| WO2020116699A1 (en) * | 2018-12-07 | 2020-06-11 | 디노플러스 (주) | Internet-of-things gateway having embedded gas detection sensor for preventing industrial disasters |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115666026A (en) * | 2022-09-15 | 2023-01-31 | 南京晗创智能科技有限公司 | Deep basal pit monitoring measurement station protection device |
| CN115666026B (en) * | 2022-09-15 | 2023-09-19 | 南京晗创智能科技有限公司 | Deep foundation pit monitoring measuring point protection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113643516B (en) | 2022-01-18 |
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