CN219552396U - Gas detection device and vehicle-mounted gas detection system - Google Patents
Gas detection device and vehicle-mounted gas detection system Download PDFInfo
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- CN219552396U CN219552396U CN202320693732.8U CN202320693732U CN219552396U CN 219552396 U CN219552396 U CN 219552396U CN 202320693732 U CN202320693732 U CN 202320693732U CN 219552396 U CN219552396 U CN 219552396U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model relates to the technical field of gas detection devices, and discloses a gas detection device and a vehicle-mounted gas detection system, wherein the gas detection device comprises: the device comprises a transfer PCB module, a gas detection assembly, a gas path monitoring module, a pumping module and a central control module; the utility model adopts a modularized design, the modules are connected with the central control module through the cables buried in the transfer PCB module, a shell can be additionally configured to form a vehicle-mounted gas detection system and be arranged on public transportation means such as buses or network buses, a taxi dome lamp can be used as the shell to form the vehicle-mounted gas detection system and be arranged on a taxi, when the gas detection devices are required to be arranged in different taxi dome lamps, the appearance of the transfer PCB module is correspondingly adjusted, and then the modules are connected with the interfaces, so that the complete gas detection device can be formed, and the problems that the gas detection device in the prior art is relatively fixed in form and cannot be widely applied to different types of public transportation means are solved.
Description
Technical Field
The utility model relates to the technical field of gas detection devices, in particular to a gas detection device and a vehicle-mounted gas detection system.
Background
In the conventional method, in order to realize gas sampling detection within a certain area, a special gas detection vehicle is generally required to be used, and gas sampling and detection are performed while the vehicle runs back and forth within a certain area, so that the gas is currently used, in order to save the cost of gas sampling detection, a gas detection device can be deployed on a public transportation vehicle, and the gas detection device can sample and detect the gas of different areas along with the running of the public transportation vehicle.
The public transportation means for deploying the gas detection device can be a taxi, and can also be other vehicles such as buses, net buses and the like, and when the gas detection device is deployed on the taxi, the gas detection device can be arranged in a roof lamp of the taxi so as to save installation space.
However, the roof lights of different taxis have larger shape differences, the space available for installation inside is also huge, the same gas detection device cannot be arranged in all the roof lights of the taxis, and the problems of low adaptability, high adaptation cost, long adaptation period, difficult replacement, difficult maintenance and high maintenance cost are generally existed. These problems affect the effective on-line time of the monitoring device, so that the effective data acquisition amount of a single device is greatly reduced, and the unit data acquisition cost is increased.
If the gas detection device is to be arranged on different vehicles, the arrangement and structure of components inside the equipment need to be changed greatly. Although the method can complete the adaptability task, the method has the advantages of high cost, long processing period, low standardization degree and high quality control difficulty. And because of the huge difference of the equipment inside the different public transportation means, different operation and maintenance training is needed for different equipment versions in the later period. The whole process is complex and has high comprehensive cost. Is not a solution that can be rapidly batched.
Disclosure of Invention
The utility model aims to provide a gas detection device and a vehicle-mounted gas detection system, and aims to solve the problems that the gas detection device in the prior art is relatively fixed in form and cannot be widely applied to different types of public transportation means.
The present utility model is achieved by providing a gas detection apparatus comprising: the device comprises a transfer PCB module, a gas detection assembly, a gas path monitoring module, a pumping module and a central control module;
the gas detection assembly, the gas path monitoring module, the pumping module and the central control module are all arranged on the switching PCB module;
the switching PCB module is provided with a plurality of interfaces, the interfaces are connected with the central control module through an internal cable buried in the switching PCB module, and the central control module is connected with an external terminal or a server through wireless data;
the gas detection assembly, the gas circuit monitoring module and the pumping module are respectively connected with the interface so as to realize electric connection with the central control module;
the gas detection assembly is used for detecting gas, the gas circuit monitoring module is used for monitoring the condition of the gas circuit, and the pumping module is used for keeping the gas flow in the gas circuit stable.
In some embodiments, theThe gas detection component comprises a particulate matter detection module, a drying and filtering module, a TVOC detection module and CO 2 A detection module;
the particulate matter detection module, the drying filtration module, the TVOC detection module, and the CO 2 The detection modules are respectively connected with the interfaces so as to realize electric connection with the central control module;
the particulate matter detection module, the drying filtration module, the TVOC detection module, and the CO 2 The detection module is connected in sequence through the pipeline, the particulate matter detection module is used for carrying out the detection of inhalable particulate matter, the drying and filtering module is used for carrying out air drying and impurity filtering, the TVOC detection module is used for carrying out the content detection of TVOC, CO 2 The detection module is used for carrying out CO 2 Content detection of (2).
In some embodiments, the dry filter module includes a plurality of dry filters disposed in parallel.
In some embodiments, the central control module comprises a control chip and a wireless communication module;
the control chip is electrically connected with a plurality of the internal cables;
the wireless communication module is electrically connected with the control chip, and is connected with an external terminal or a server through wireless data.
In some embodiments, the gas circuit monitoring module includes a flow rate sensor, a temperature sensor, and a humidity sensor.
In some embodiments, the pumping module comprises a shock absorbing structure and a gas diaphragm pump;
the gas diaphragm pump is arranged on the shock absorption structure, the gas diaphragm pump is connected with the interface, and the gas diaphragm pump is connected with the gas path monitoring module through a pipeline.
In some embodiments, the shock absorbing structure includes a plurality of shock absorbing balls disposed under the gas diaphragm pump.
In some embodiments, a satellite positioning module is also included;
the satellite positioning module is connected with the interface so as to realize electric connection with the central control module;
the satellite positioning module has a satellite positioning function and an inertial navigation function.
In a second aspect, the present utility model provides a dome lamp, comprising a housing and a gas detection device according to the first aspect; the housing has a space in which the gas detection device is disposed.
In some embodiments, the gas detection device further comprises a gas inlet structure, wherein the gas inlet structure is arranged on the shell, and the gas inlet structure is fixedly connected with the gas detection device.
The utility model provides a gas detection device and a vehicle-mounted gas detection system, which have the following beneficial effects:
1. the utility model adopts a modularized design, and the modules are connected with the central control module through the cables buried in the transfer PCB module, so that a shell can be additionally arranged to form a vehicle-mounted gas detection system which is arranged on public transportation means such as buses or network buses, and a taxi dome lamp can be used as the shell to form the vehicle-mounted gas detection system which is arranged on taxis.
2. The gas detection assembly comprises a plurality of detection modules, different detection functions are realized through different detection modules, and the assembly, maintenance and upgrading are easy, and the cost is reduced.
3. The utility model is also provided with a satellite positioning module which can acquire positioning information, the positioning information and the gas detection information are combined and uploaded to the background so as to realize accurate gas detection of each area, and the satellite positioning module also has an inertial navigation function, so that the satellite positioning function can still be used in places with poor signals such as underground parking lots.
Drawings
FIG. 1 is a schematic diagram of a gas detection apparatus according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of a dome lamp according to an embodiment of the present utility model.
Reference numerals: 1-switching PCB module, 2-gas detection assembly, 3-gas circuit monitoring module, 4-pumping module, 5-central control module, 21-particulate matter detection module, 22-dry filtration module, 23-TVOC detection module, 24-CO 2 The device comprises a detection module, a 41-damping structure, a 42-gas diaphragm pump, a 6-satellite positioning module, a 7-shell and an 8-air inlet structure.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
The implementation of the present utility model will be described in detail below with reference to specific embodiments.
Referring to fig. 1 and 2, a preferred embodiment of the present utility model is provided.
In a first aspect, the present utility model provides a gas detection apparatus comprising: the device comprises a transfer PCB module 1, a gas detection assembly 2, a gas path monitoring module 3, a pumping module 4 and a central control module 5.
Specifically, the gas detection assembly 2, the gas path monitoring module, the pumping module 4 and the central control module 5 are all arranged on the transfer PCB module 1, a plurality of interfaces are arranged on the transfer PCB module 1, the interfaces are connected with the central control module 5 through an internal cable buried in the transfer PCB module 1, and the central control module 5 is connected with an external terminal or a server through wireless data; the gas detection assembly 2, the gas path monitoring module 3 and the pumping module 4 are respectively connected with interfaces so as to realize electric connection with the central control module 5; the gas detection assembly 2, the gas circuit monitoring module and the pumping module 4 are sequentially connected through pipelines, the gas detection assembly 2 is used for detecting gas, the gas circuit monitoring module 3 is used for monitoring the gas circuit condition, and the pumping module 4 is used for keeping the gas flow in the gas circuit stable.
It should be noted that, the connection between each module and the interface may be performed through an external cable, or may be directly plugged into the interface.
The central control module 5 communicates electrical signals with each module through an internal cable, so as to control each module, which may specifically include the following aspects:
(1) the electrical signal transmitted by the gas detection assembly 2 is received, so that detection information of the gas to be detected by the gas detection assembly 2 is obtained.
(2) And receiving the electric signals transmitted by the air channel monitoring module 3, and correspondingly adjusting according to the air channel conditions so as to keep the air flow of the air channel stable.
(3) Different specific structures of the dome lamps have differences, in order to adapt to different dome lamps, the shape of the adapting PCB module 1 needs to be adjusted, and in the utility model, because the internal cables are buried inside the adapting PCB module 1, when the shape of the adapting PCB module 1 is adjusted, the circuit connection relationship can be easily adjusted so as to adapt to more dome lamp structures.
It should be noted that the adaptor PCB module 1 is manufactured by using a mature PCBA engineering manufacturing method, provides power and signal wiring for the module, and provides structural support or part of structural support for the module. The modules are connected with each other through the electronic connectors and are structurally fixed through screws or other common means, the length of wires required by the whole equipment is greatly reduced, the arrangement of the modules is tidier and more attractive, and when the modules are required to be arranged on different vehicles, the appearance of the transfer PCB module 1 can be easily changed to adapt to different appearances.
In order to realize the detection of the gas by the gas detection assembly 2, the gas inlet structure 8 is fixedly connected with the gas detection assembly 2 to collect the gas to be detected for detection, preferably, the gas inlet structure 8 is provided with a gas inlet facing the advancing direction of the vehicle, and the gas circuit monitoring module 3 and the pumping module 4 adjust the flow rate of the whole gas circuit according to the flow rate of the collected gas to be detected in the gas inlet, so that the speed of the collected gas to be detected by the gas inlet structure 8 accords with the constant-speed sampling principle, and the inaccuracy of data detection caused by the loss of a particulate matter sample in the gas to be detected is avoided.
More preferably, a raindrop detection assembly may be provided on the air intake structure 8 to detect raindrops in the external environment, and when raindrops are detected, the pumping module 4 will stop absorbing air flow, preventing the raindrops from affecting the service life of the respective modules.
The utility model provides a gas detection device and a vehicle-mounted gas detection system, which have the following beneficial effects:
1. the utility model adopts a modularized design, and the modules are connected with the central control module 5 through cables buried in the transfer PCB module 1, so that a shell 7 can be additionally arranged to form a vehicle-mounted gas detection system which is arranged on public transportation means such as buses or network buses, and a taxi dome lamp can be used as the shell 7 to form the vehicle-mounted gas detection system which is arranged on a taxi, when gas detection devices are required to be arranged in different taxi dome lamps, the appearance of the transfer PCB module 1 is correspondingly adjusted, and then the modules are connected with interfaces, thereby forming a complete gas detection device, and the problems that the gas detection devices in the prior art are relatively fixed in form and cannot be widely applied to different types of public transportation means are solved.
2. The gas detection assembly 2 comprises a plurality of detection modules, different detection functions are realized through different detection modules, and the assembly, maintenance and upgrading are easy, and the cost is reduced.
3. The utility model is also provided with a satellite positioning module 6, the satellite positioning module 6 can acquire positioning information, the positioning information and the gas detection information are combined and uploaded to the background so as to realize accurate gas detection of each area, and the satellite positioning module 6 also has an inertial navigation function, so that the satellite positioning function can still be used in places with poor signals such as underground parking lots.
In some embodiments, the gas detection assembly 2 includes a particulate matter detection module 21, a dry filtration module 22, a TVOC detection module 23, a CO 2 A detection module 24.
Specifically, the gas detection assembly 2 in the present utility model is composed of a plurality of detection modules, each module respectively detects gas differently, and detection information is transmitted to the central detection module for integration and is sent to the background for recording.
The following is one embodiment of the gas detection assembly 2:
particulate matter detection module 21, dry filtration module 22, TVOC detection module 23, and CO 2 The detection modules 24 are respectively connected with the interfaces through external cables so as to realize electric connection with the central control module 5; particulate matter detection module 21, dry filtration module 22, TVOC detection module 23, and CO 2 The detection modules 24 are sequentially connected through pipelines, the particle detection module 21 is used for detecting inhalable particles, the drying and filtering module 22 is used for air drying and impurity filtering, the TVOC detection module 23 is used for detecting the content of TVOC and CO 2 The detection module 24 is used for CO 2 Content detection of (2).
The drying and filtering module 22 can perform air drying and impurity filtering on the gas to improve the data accuracy and service life of the subsequent detection module.
It should be noted that, the inhalable particulate matter may be PM1.0, PM2.5, PM10, and TVOC is a gas having a pungent smell of volatile organic compounds, which belongs to one of air pollutants, and part of TVOC is harmful to human body.
It should be understood that the above is only an embodiment, and the gas detection assembly 2 may further include other detection modules, or reduce existing modules, or adjust the connection sequence between the modules according to a certain rule.
In some embodiments, dry filter module 22 includes a plurality of side-by-side dry filters.
Specifically, a plurality of drying filters are arranged in parallel, so that the efficiency of drying the gas to be detected and filtering impurities can be improved.
More specifically, the dry filter is a device in the prior art, and can purify particulate matters in the air so as to improve the accuracy of subsequent detection.
In some embodiments, the central control module 5 includes a control chip and a wireless communication module.
Specifically, the control chip is electrically connected with a plurality of internal cables, and the control chip is used for receiving detection information transmitted by each module and transmitting control signals to each module, for example: the control chip will adjust the suction force of the pumping module 4 according to the air channel flow velocity of the air channel monitoring module 3, so that the air inlet structure 8 accords with the constant-speed sampling principle.
More specifically, the wireless communication module is electrically connected with the control chip, and the wireless communication module is connected with an external terminal or a server through wireless data, and the wireless communication module can send the gas detection information to the outside so as to realize the recording and storage of the gas detection information.
More specifically, the remote monitoring parameter calibration, remote module restarting, remote OTA upgrading and the like of the gas detection device can be realized through the wireless communication module.
More specifically, the wireless communication module may be a 4G module or a 5G module.
More specifically, a display screen can be arranged on the central control module 5, and the display screen is electrically connected with the control chip, has a function of displaying data, and can assist operation and maintenance personnel in rapidly judging the state of the equipment.
In some embodiments, the gas circuit monitoring module 3 includes a flow rate sensor, a temperature sensor, and a humidity sensor.
Specifically, the flow rate sensor is used for detecting the flow rate of the air channel, the temperature sensor is used for detecting the temperature of the air channel, and the humidity sensor is used for detecting the humidity of the air channel.
More specifically, the air path monitoring module 3 is also provided with a display screen, so that operation and maintenance personnel can conveniently and rapidly judge the equipment state.
In some embodiments, the pumping module 4 includes a shock absorbing structure 41 and a gas diaphragm pump 42.
Specifically, the shock-absorbing structure 41 is arranged on the adapting PCB module 1, the gas diaphragm pump 42 is arranged on the shock-absorbing structure 41, the gas diaphragm pump 42 is connected with the interface, and the gas diaphragm pump 42 is connected with the gas path monitoring module 3 through a pipeline.
More specifically, the air diaphragm pump 42 generates a large vibration and a certain noise during operation, and in order to avoid the influence on the driver of the vehicle, it is necessary to provide a shock absorbing structure 41 under the air diaphragm pump 42 to reduce the influence of vibration and noise and ensure the comfort of the driver and passengers.
More specifically, the shock absorbing structure 41 has a variety of forms, and one embodiment of the present utility model is now provided: a plurality of shock absorbing balls are uniformly arranged below the gas diaphragm pump 42 to realize a shock absorbing effect.
In some embodiments, a satellite positioning module 6 is also included.
Specifically, the satellite positioning module 6 is connected with an interface to realize electrical connection with the central control module 5, and the satellite positioning module 6 has a satellite positioning function and an inertial navigation function.
More specifically, the satellite positioning module 6 is a navigation module in the prior art, and its inertial navigation function can enable it to maintain a positioning function at a place such as an underground parking plant, and these positioning information are combined with detection information, and transmitted to an external terminal or a server through the central control module 5, so as to perform accurate gas sampling detection on each place.
More specifically, the inertial positioning function is implemented by a built-in inertial positioning unit, which belongs to the products of the prior art.
In a second aspect, the present utility model provides a vehicle-mounted gas detection system comprising a housing 7 and a gas detection device according to the first aspect; the housing 7 has a space in which the gas detection device is disposed.
When the vehicle-mounted gas detection system is arranged on a taxi, the shell 7 is the shell of a taxi top lamp, and the gas detection device and the taxi top lamp are arranged together, so that the installation space is saved.
When the vehicle-mounted gas detection system is arranged on a bus or a net bus, a set of self-designed shells 7 can be used.
The following is one embodiment of an in-vehicle gas detection system provided in a rental car ceiling lamp:
the housing 7 may be divided into a bottom plate, an upper cover, a support.
Specifically, support piece sets up on the roof surface, and the bottom plate sets up on support piece, and it is difficult to see that support piece can raise the bottom plate, makes bottom plate and roof keep certain distance, and this region is used for setting up air inlet structure 8 to gather the gas that awaits measuring in the external environment, and shelter from the rainwater for air inlet structure 8 through the bottom plate.
More specifically, the upper cover is provided on the base plate to constitute a space for disposing the gas detecting means, and this space requires a reserved space for the lamp panel in addition to disposing the gas detecting means.
More specifically, the adapting PCB module 1 is disposed on the top surface of the base plate, and different taxis have roof lights with different structures, when the gas detection device is installed in different roof lights, the base plate will change, so that the adapting PCB module 1 will also change accordingly, and the layout of each module disposed on the adapting PCB module 1 will also need to be adjusted accordingly.
More specifically, still include air inlet structure 8, air inlet structure 8 sets up in the bottom surface of bottom plate, and air inlet structure 8 and gas detection device fixed connection, air inlet structure 8 are used for gathering outside gas to be measured, transmit to gas detection device in detect.
More specifically, the air intake structure 8 has an air intake opening directed toward the running direction of the vehicle, and a detection structure for detecting water mist may be provided on the air intake structure, and when the detection structure detects a large amount of water mist, the gas detection device may stop actively absorbing gas to avoid the water mist from affecting the internal components.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. A gas detection apparatus, comprising: the device comprises a transfer PCB module, a gas detection assembly, a gas path monitoring module, a pumping module and a central control module;
the gas detection assembly, the gas path monitoring module, the pumping module and the central control module are all arranged on the switching PCB module;
the switching PCB module is provided with a plurality of interfaces, the interfaces are connected with the central control module through an internal cable buried in the switching PCB module, and the central control module is connected with an external terminal or a server through wireless data;
the gas detection assembly, the gas circuit monitoring module and the pumping module are respectively connected with the interface so as to realize electric connection with the central control module;
the gas detection assembly is used for detecting gas, the gas circuit monitoring module is used for monitoring the condition of the gas circuit, and the pumping module is used for keeping the gas flow in the gas circuit stable.
2. The gas detection apparatus according to claim 1, wherein the gas detection assembly comprises a particulate matter detection module, a dry filtration module, a TVOC detection module, a CO 2 A detection module;
the particulate matter detection module, the drying filtration module, the TVOC detection module, and the CO 2 The detection modules are respectively connected with the interfaces so as to realize electric connection with the central control module;
the particulate matter detection module, the drying filtration module, the TVOC detection module, and the CO 2 The detection module is connected in sequence through the pipeline, the particulate matter detection module is used for carrying out the detection of inhalable particulate matter, the drying and filtering module is used for carrying out air drying and impurity filtering, the TVOC detection module is used for carrying out the content detection of TVOC, CO 2 The detection module is used for carrying out CO 2 Content detection of (2).
3. A gas detection apparatus as claimed in claim 2, wherein the dry filter module comprises a plurality of dry filters arranged in parallel.
4. The gas detection device of claim 1, wherein the central control module comprises a control chip and a wireless communication module;
the control chip is electrically connected with a plurality of the internal cables;
the wireless communication module is electrically connected with the control chip, and is connected with an external terminal or a server through wireless data.
5. A gas detection device according to claim 1, wherein the gas circuit monitoring module comprises a flow rate sensor, a temperature sensor, and a humidity sensor.
6. A gas detection apparatus as claimed in claim 1, wherein the pumping module comprises a shock absorbing structure and a gas diaphragm pump;
the gas diaphragm pump is arranged on the shock absorption structure, the gas diaphragm pump is connected with the interface, and the gas diaphragm pump is connected with the gas path monitoring module through a pipeline.
7. A gas detection apparatus as recited in claim 6, wherein said shock absorbing structure includes a plurality of shock absorbing balls disposed under said gas diaphragm pump.
8. The gas detection apparatus according to claim 1, further comprising a satellite positioning module;
the satellite positioning module is connected with the interface so as to realize electric connection with the central control module;
the satellite positioning module has a satellite positioning function and an inertial navigation function.
9. A vehicle-mounted gas detection system comprising a housing and a gas detection apparatus according to any one of claims 1 to 8; the housing has a space in which the gas detection device is disposed.
10. The vehicle-mounted gas detection system of claim 9, further comprising a gas inlet structure disposed on the housing and fixedly coupled to the gas detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320693732.8U CN219552396U (en) | 2023-04-03 | 2023-04-03 | Gas detection device and vehicle-mounted gas detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320693732.8U CN219552396U (en) | 2023-04-03 | 2023-04-03 | Gas detection device and vehicle-mounted gas detection system |
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| Publication Number | Publication Date |
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| CN219552396U true CN219552396U (en) | 2023-08-18 |
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| CN202320693732.8U Active CN219552396U (en) | 2023-04-03 | 2023-04-03 | Gas detection device and vehicle-mounted gas detection system |
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| CN (1) | CN219552396U (en) |
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- 2023-04-03 CN CN202320693732.8U patent/CN219552396U/en active Active
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