Opposite emission type laser dust measuring device of sensor
By designing a through-beam laser dust measurement device and using components such as laser tubes, lenses, and filters, the problem of light scattering sensors being affected by the environment has been solved, resulting in a high-precision, miniaturized, and easy-to-maintain laser dust measurement device.
Patent Information
- Application Number
- CN202422897714.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-27
AI Technical Summary
Existing light scattering sensors are susceptible to environmental factors such as temperature and humidity, resulting in large detection errors and large device size, which limits their application range.
Design a through-beam laser dust measuring device with a sensor, including a receiving section and a transmitting section. Employ components such as a laser tube, glass plate, lens, and filter to optimize signal processing, reduce environmental interference, and improve measurement accuracy.
The sensor's usability and measurement accuracy have been optimized, the equipment size has been reduced, environmental errors have been minimized, the equipment's application range and maintenance convenience have been enhanced, and it can be linked with other equipment for control.
Smart Images
Figure CN223597466U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to environmental monitoring technical field, concretely is a kind of sensor's pair of laser dust measuring device. BACKGROUND
[0002] PM2.5, refers to the aerodynamic equivalent diameter less than or equal to 2.5 microns (one micrometer equals millionth meter) suspended particulate matter. It stays in atmosphere for a long time, long transmission distance, contains a variety of toxic and harmful substances.
[0003] PM2.5 source is very complex, both coal-fired, oil-fired motor vehicle exhaust, road dust, construction dust, industrial dust, catering oil fume, garbage incineration, straw incineration directly emitted fine particulate matter, also have sulfur dioxide, nitrogen oxides and volatile organic compounds in air, after complex chemical reaction conversion generated secondary fine particles.
[0004] Dust as the main pollutant, especially the PM2.5 fine particulate matter that is increasingly concerned, seriously affect our health and quality of life. Therefore, it is urgent to increase investment in research and detection of dust equipment. At present, the more mature equipment is mainly based on light scattering, beta ray, light absorption method and other principles to develop, based on light scattering dust measurement method is widely used. However, many light scattering sensors on the market are limited by environment, temperature, humidity and other factors, therefore we develop a pair of sensors to reduce this influence. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a kind of sensor's pair of laser dust measuring device to solve the problems presented in the above background.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of sensor's pair of laser dust measuring device, including connecting section main body, signal processing section, receiving section main body and emitting section main body, baffle is installed between the receiving section main body and emitting section main body;The receiving section main body includes first shell, and the first shell is internally provided with receiving section unit, circuit board body, first convex lens, second convex lens, light receiving section, first glass sheet body;The emitting section main body includes second shell, and second shell is provided with laser tube, second glass sheet body and emitting section unit in.
[0007] Further, the receiving section body further includes filter glass body, and the filter glass body is installed in the first shell interior by filter glass mounting section.
[0008] Further, light receiving fixed section is installed on the light receiving section, and concave lens is installed on the light receiving fixed section.
[0009] Further, the first convex lens is installed inside the first shell through a convex lens connecting section, and the second convex lens is installed on the light receiving section through a convex lens fixing section.
[0010] Further, the circuit board body and the convex lens connecting section are connected through a first connecting section.
[0011] Further, the filter body and the concave lens are connected through a second connecting section.
[0012] Further, the second glass sheet body is installed inside the second shell through a second glass sheet installing section.
[0013] Further, the laser tube and the second glass sheet body are provided with an emission fixing section.
[0014] Further, the emission fixing section and the second glass sheet installing section are further provided with a collimating mirror.
[0015] Further, the circuit board body is installed on the receiving section unit through a circuit board connecting section.
[0016] Compared with the prior art, the beneficial effects of the sensor are that the transmission type laser dust measuring device optimizes the practicability of the sensor, optimizes the accuracy of measurement, constitutes a new laser dust measuring method, reduces the volume of the equipment, can be connected to various systems, effectively reduces the error of detection caused by the environment, is more convenient to maintain, removes the influence of water mist, can be linked with various equipment, and effectively improves the application range of the equipment. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.
[0018] Fig. 1 The overall structure schematic diagram provided by the embodiment of the present application is provided.
[0019] Fig. 2 The receiving section assembly schematic diagram provided by the embodiment of the present application is provided.
[0020] Fig. 3 The emission section assembly schematic diagram provided by the embodiment of the present application is provided.
[0021] Explanation of reference signs: 1, connecting section main body; 2, signal processing section; 3, receiving section main body; 4, baffle; 5, transmitting section main body; 6, receiving section unit; 7, line board connecting section; 8, first connecting section; 9, convex lens connecting section; 10, convex lens fixing section; 11, light receiving section; 12, light receiving fixing section; 13, second connecting section; 14, filter mounting section; 15, first glass sheet main body; 16, filter main body; 17, concave lens; 18, first convex lens; 19, second convex lens; 20, line board main body; 21, second glass sheet main body; 22, glass sheet mounting section; 23, collimating mirror; 24, transmitting fixing section; 25, laser tube; 26, transmitting section unit. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0023] Please refer to Figs. 1-3 The present application provides a technical solution: a transmission type laser dust measuring device of a sensor, comprising a connecting section main body 1, a signal processing section 2, a receiving section main body 3 and a transmitting section main body 5, a baffle 4 being installed between the receiving section main body 3 and the transmitting section main body 5; the receiving section main body 3 comprises a first housing, the first housing being internally provided with a receiving section unit 6, a line board main body 20, a first convex lens 18, a second convex lens 19, a light receiving section 11 and a first glass sheet main body 15; the transmitting section main body 5 comprises a second housing, the second housing being internally provided with a laser tube 25, a second glass sheet main body 21 and a transmitting section unit 26.
[0024] Specifically, the pair of sensors of the laser dust measuring device specifically comprises a connecting segment body 1, a signal processing segment 2, a receiving segment body 3 and a transmitting segment body 5, a baffle 4 is arranged between the receiving segment body 3 and the transmitting segment body 5, the connecting segment body 1 and the receiving segment body 3 are screwed on the baffle 4, the signal processing segment 2 is screwed inside the baffle 4, and more specifically, the connecting segment body 1 and the signal processing segment 2 are connected through four screws on the top. Specifically, the receiving segment body 3 comprises a first shell, the first shell is internally provided with a receiving segment unit 6, a circuit board body 20, a first convex lens 18, a second convex lens 19, a light receiving segment 11 and a first glass sheet body 15, and the transmitting segment body 5 comprises a second shell, the second shell is internally provided with a laser tube 25, a second glass sheet body 21 and a transmitting segment unit 26. Through the above improvement, the practicability of the sensor is optimized, the measurement accuracy is optimized, a new laser dust measuring method is formed, the volume of the equipment is reduced, the equipment can be connected to various systems, the error caused by the environment to detection is effectively reduced, the maintenance is more convenient, the influence of water mist is removed, the equipment can be linked with various devices for control, and the application range of the equipment is effectively improved.
[0025] In the embodiment of the utility model, the receiving segment body further comprises a filter body 16, and the filter body 16 is installed inside the first shell through a filter mounting segment 14.
[0026] In the embodiment of the utility model, the light receiving segment 11 is provided with a light receiving fixing segment 12, and the light receiving fixing segment 12 is provided with a concave lens 17.
[0027] In the embodiment of the utility model, the first convex lens 18 is installed inside the first shell through a convex lens connecting segment 9, and the second convex lens 19 is installed on the light receiving segment 11 through a convex lens fixing segment 10.
[0028] In the embodiment of the utility model, the circuit board body 20 and the convex lens connecting segment 9 are connected through a first connecting segment 8.
[0029] In the embodiment of the utility model, the filter body 16 and the concave lens 17 are connected through a second connecting segment 13.
[0030] In the embodiment of the utility model, the second glass sheet body 21 is installed inside the second shell through a second glass sheet mounting segment 22.
[0031] In the embodiment of the utility model, the laser tube 25 and the second glass sheet body 21 are provided with a transmitting fixing segment 24.
[0032] In the embodiment of the utility model, the transmitting fixing segment 24 and the second glass sheet mounting segment 22 are further provided with a collimating mirror 23.
[0033] In the embodiment provided by the utility model, the circuit board body 20 is installed on the receiving section unit 6 through the circuit board connecting section 7.
[0034] It should be noted that the power-using equipment involved in the present application can be powered by a storage battery or an external power source.
[0035] In the description of the utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A transmission type laser dust measuring device of a sensor, comprising a connection section body (1), a signal processing section (2), a receiving section body (3) and a transmitting section body (5), characterized in that: The baffle (4) is installed between the receiving section body (3) and the emitting section body (5); the receiving section body (3) comprises a first shell, and the inside of the first shell is provided with a receiving section unit (6), a circuit board body (20), a first convex lens (18), a second convex lens (19), a light receiving section (11), and a first glass sheet body (15); the emitting section body (5) comprises a second shell, and the inside of the second shell is provided with a laser tube (25), a second glass sheet body (21), and an emitting section unit (26).
2. The transmission type laser dust measuring device of a sensor according to claim 1, wherein: The receiving section body further comprises a filter body (16), and the filter body (16) is installed in the inside of the first shell through a filter mounting section (14).
3. The transmission type laser dust measuring device of a sensor according to claim 1, wherein: The light receiving section (11) is provided with a light receiving fixing section (12), and the light receiving fixing section (12) is provided with a concave lens (17).
4. The transmission type laser dust measuring device of a sensor according to claim 2, wherein: The first convex lens (18) is installed in the inside of the first shell through a convex lens connecting section (9), and the second convex lens (19) is installed on the light receiving section (11) through a convex lens fixing section (10).
5. The transmission type laser dust measuring device of a sensor according to claim 4, wherein: The circuit board body (20) is connected with the convex lens connecting section (9) through a first connecting section (8).
6. The transmission type laser dust measuring device of a sensor according to claim 5, wherein: The filter body (16) is connected with the concave lens (17) through a second connecting section (13).
7. The device according to claim 1, wherein: the sensor is a pair of laser beams. The second glass sheet body (21) is installed in the inside of the second shell through a second glass sheet mounting section (22).
8. The transmission type laser dust measuring device of a sensor according to claim 7, wherein: The laser tube (25) is provided with an emitting fixing section (24) between the second glass sheet body (21).
9. The transmission type laser dust measuring device of a sensor according to claim 8, wherein: The emitting fixing section (24) is further provided with a collimating mirror (23) between the second glass sheet mounting section (22).
10. The transmission type laser dust measuring device of a sensor according to claim 5, wherein: The circuit board body (20) is installed on the receiving section unit (6) through a circuit board connecting section (7).