Blade photosynthesis gas exchange method and spectrum method synchronous measurement coupling device
By adopting a combined structure of LED light source heat sink, heat dissipation fan, temperature sensor and buzzer in the photosynthesis test equipment, the problem of LED light source astigmatism in the equipment being hot and damaged due to long-term use, realizing the long-term stable operation and temperature management of the equipment.
Patent Information
- Application Number
- CN202421856457.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-04-04
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing photosynthesis testing equipment lacks an effective temperature sensing structure, which causes the LED light source astigmatism to become hot and damaged after long-term use.
A coupling device for synchronous measurement of the gas exchange method and spectrometry of the blade photosynthesis method is designed, and the LED light source heat sink and the heat dissipation fan structure are used for heat dissipation protection, and the temperature sensing and timely cooling of the LED light source astigmatism sheet are realized through a temperature sensor and a buzzer.
Effectively prevent the LED light source astigmatism sheet from getting hot and damaged due to long-term use, ensure the stability of the equipment working for a long time, and avoid burning of internal lines due to excessive temperature.
Smart Images

Figure CN222718159U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of optics, in particular to a synchronous measurement coupling device for leaf photosynthesis gas exchange method and spectral method. Background Art
[0002] Fiber optic couplers, also known as splitters, connectors, adapters, and fiber optic flanges, are components used to split / combine optical signals or to extend optical fiber links. They belong to the field of optical passive components and are used in telecommunication networks, cable television networks, user loop systems, and local area networks.
[0003] A Chinese patent discloses a small fruit respiration intensity measurement storage room based on a photosynthesis system (authorization announcement number CN 205120695 U). This patented technology can solve the problem that existing fruit storage lacks photosynthesis testing equipment, resulting in poor preservation effects.
[0004] The existing photosynthesis requires the help of LED light source diffusers. Long-term use of LED light source diffusers easily overheats and causes damage to the internal structure. There is a problem that there is a lack of temperature sensing structure. Utility Model Content
[0005] In order to solve the above technical problems, the utility model provides a synchronous measurement coupling device of leaf photosynthesis gas exchange method and spectroscopy method, including a light source heat dissipation base plate and a gas exchange chamber, the light source heat dissipation base plate is symmetrically installed with a connecting plate, the inner end of the connecting plate is fixedly installed with a gas exchange chamber by a limiting bolt, a through hole is opened on the rear end face of the light source heat dissipation base plate, and an air inlet and an air outlet are symmetrically arranged on the upper and lower end faces of the gas exchange chamber respectively, and a covering quartz glass sheet is symmetrically embedded on the front and rear end faces of the gas exchange chamber, an LED light source diffuser is installed on the front end face of the light source heat dissipation base plate, and a plurality of groups of LED light source heat sinks are installed on the rear end face of the light source heat dissipation base plate, and a through hole is opened on the front end face of the gas exchange chamber, and a sealing gasket is arranged in the through hole.
[0006] Preferably, a plurality of heat dissipation fans are arranged behind the heat sink of the LED light source, and the heat dissipation fans are connected to the rear side end surface of the heat dissipation bottom plate of the light source through a support rod.
[0007] Preferably: a fixing plate is symmetrically installed on the front end surface of the light source heat dissipation base plate, a plurality of temperature sensors are installed on the inner end of the fixing plate, the temperature sensors are close to the side wall of the LED light source diffuser, a shell is installed on the front end surface of the light source heat dissipation base plate, a circuit board is arranged in the shell, a buzzer is installed on the front end surface of the shell, and the buzzer is electrically connected to the temperature sensor.
[0008] Preferably, the left and right side walls of the heat dissipation fan are symmetrically provided with side panels, the side panels are screwed together by fixing screws, and sealing sleeves are symmetrically screwed together at the upper and lower ends of the fixing screws, and the sealing sleeves are tightly attached to the side panels.
[0009] Technical effects and advantages of the utility model:
[0010] 1. The utility model adopts an LED light source heat sink structure, so that the LED light source diffuser can be treated with heat dissipation protection, so that it can work for a long time. The heat dissipation fan structure is also adopted to dissipate heat for the LED light source heat sink, further ensuring the heat dissipation effect.
[0011] 2. The utility model adopts a temperature sensor and a buzzer structure, so that the temperature of the LED light source diffuser can be sensed, so that it can be cooled down in time to avoid burning of the internal circuit of the LED light source diffuser due to untimely treatment.
[0012] 3. The utility model includes a gas exchange chamber, a light source, a light source heat dissipation base plate, and an optical fiber detection hole. A connecting plate is symmetrically installed on the base plate. The gas exchange chamber is fixedly installed on the inner end of the connecting plate by a limit bolt. An air inlet and an air outlet are provided in the middle of the upper end surface of the gas exchange chamber. The upper end surface of the gas exchange chamber is covered with a quartz glass sheet. An LED light source is installed on the front end surface of the gas exchange chamber, and light is projected to the gas exchange chamber through the quartz glass sheet. A plurality of groups of LED light source heat sinks are installed on the rear end surface of the light source heat dissipation base plate. The upper end surface of the gas exchange chamber is covered with a quartz glass sheet, and a through hole is provided on the front end surface. A sealing gasket is arranged in the through hole. The light source and the light source heat dissipation base plate are provided with through holes, and an optical fiber through-hole flange is provided on the upper end surface of the light source heat dissipation base plate. The optical fiber passes through the optical fiber flange, the light source heat dissipation base plate, the light source, and the through hole on the quartz glass sheet in sequence to enter the gas exchange chamber. The utility model adopts a heat sink structure, so that the LED light source can be protected from heat dissipation, so that it can work for a long time. A heat dissipation fan structure is also adopted to dissipate heat from the heat sink, further ensuring the heat dissipation effect. The gas exchange method and the spectral method of photosynthesis measurement are synchronously coupled together for studying photosynthesis of plant leaves, etc. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a structural front view of a leaf photosynthesis gas exchange method and spectroscopy synchronous measurement coupling device provided in an embodiment of the present application;
[0014] Figure 2 It is a top view of the structure of a leaf photosynthesis gas exchange method and spectroscopy synchronous measurement coupling device provided in an embodiment of the present application;
[0015] Figure 3This is a rear structural view of a leaf photosynthesis gas exchange method and spectroscopy synchronous measurement coupling device provided in an embodiment of the present application;
[0016] Figure 4 It is a cross-sectional top view of a leaf photosynthesis gas exchange method and spectroscopy synchronous measurement coupling device provided in an embodiment of the present application;
[0017] Figure 5 It is a cross-sectional left view of a leaf photosynthesis gas exchange method and spectroscopy synchronous measurement coupling device provided in an embodiment of the present application;
[0018] In the figure: 1. light source heat dissipation base plate; 2. gas exchange chamber; 11. connecting plate; 12. perforation; 13. air inlet; 14. air outlet; 15. quartz glass sheet; 16. LED light source diffuser; 17. LED light source heat sink; 18. sealing gasket; 19. heat dissipation fan; 21. fixing plate; 22. temperature sensor; 23. circuit board; 24. buzzer; 25. fixing screw. DETAILED DESCRIPTION
[0019] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.
[0020] See also Figures 1 to 5In this embodiment, a leaf photosynthesis gas exchange method and spectroscopy synchronous measurement coupling device is provided, including a light source heat dissipation base plate 1 and a gas exchange chamber 2, the light source heat dissipation base plate 1 is symmetrically installed with a connecting plate 11, the inner end of the connecting plate 11 is fixedly installed with the gas exchange chamber 2 by a limit bolt, the rear end surface of the light source heat dissipation base plate 1 is provided with a through hole 12, the upper and lower end surfaces of the gas exchange chamber 2 are respectively symmetrically arranged with an air inlet 13 and an air outlet 14, the front and rear end surfaces of the gas exchange chamber 2 are symmetrically embedded with a covering quartz glass sheet 15, the front end surface of the light source heat dissipation base plate 1 is installed with an LED light source diffuser 16, the rear end surface of the light source heat dissipation base plate 1 is installed with a plurality of groups of LED light source heat sinks 17, the gas A through hole is provided on the front end face of the exchange chamber 2, and a sealing gasket 18 is arranged in the through hole. The gas exchange chamber 2 has two chambers symmetrically arranged in front and back. When working, the blades enter the gas exchange chamber 2, and the air outlet 14 is externally connected to a photosynthesis meter. The LED light source diffuser 16 is opened, so that the blades can perform photosynthesis, consume oxygen in the air, and produce carbon dioxide. Then the photosynthesis meter detects the concentrations of carbon dioxide and oxygen in the air. The LED light source heat sink 17 can perform heat dissipation protection treatment on the LED light source diffuser 16, so that it can work for a long time and avoid line burning. The through hole structure is adopted, which is convenient for coupling with optical fiber. A fiber coupling flange is arranged in the perforation 12 to facilitate the insertion of the optical fiber.
[0021] A plurality of cooling fans 19 are arranged behind the LED light source heat sink 17, and the cooling fans 19 are connected to the rear end surface of the light source heat sink 1 through a support rod. When working, the cooling fans 19 are started to dissipate heat for the LED light source heat sink 17, thereby further ensuring the heat dissipation effect.
[0022] A fixing plate 21 is symmetrically installed on the front end surface of the light source heat dissipation base plate 1, and a plurality of temperature sensors 22 are installed on the inner end of the fixing plate 21. The temperature sensor 22 is close to the side wall of the LED light source diffuser 16. A shell is installed on the front end surface of the light source heat dissipation base plate 1, and a circuit board 23 is arranged in the shell. A buzzer 24 is installed on the front end surface of the shell, and the buzzer 24 is electrically connected to the temperature sensor 22. When working, the temperature sensor 22 senses the temperature of the side wall of the LED light source diffuser 16. When the temperature is abnormal, a signal is sent to the circuit board 23, and the circuit board 23 controls the buzzer 24 to sound an alarm, thereby reminding timely cooling. A PLC program is written in the circuit board 23 to control the operation of each device.
[0023] The left and right side walls of the heat dissipation fan 19 are symmetrically equipped with side panels, which are screwed together by fixing screws 25. Sealing sleeves are symmetrically screwed together at the upper and lower ends of the fixing screws 25, and the sealing sleeves are tightly attached to the side panels. When working, the heat dissipation fans 19 are connected by fixing screws 25, thereby improving the overall stability of the device.
[0024] During specific operation, the blades enter the gas exchange chamber 2 through the feed port 12, the air outlet 14 is externally connected to a photosynthesis meter, and the LED light source diffuser 16 is opened, so that the blades can perform photosynthesis, consume oxygen in the air, and produce carbon dioxide. Then the photosynthesis meter detects the concentrations of carbon dioxide and oxygen in the air. The LED light source heat sink 17 can perform heat dissipation protection treatment on the LED light source diffuser 16, so that it can work for a long time and avoid line burning. The through-hole structure is adopted, which is convenient for coupling with optical fiber.
[0025] An air inlet 13 and an air outlet 14 are provided in the middle of the upper end surface of the gas exchange chamber 2. The upper end surface of the gas exchange chamber 2 is covered with a quartz glass sheet 15. An LED light source is installed on the front end surface of the gas exchange chamber 2, and light is projected to the gas exchange chamber through the quartz glass sheet. A plurality of LED light source heat sinks 17 are installed on the rear end surface of the light source heat dissipation bottom plate. A through hole is provided on the front end surface of the quartz glass sheet 15 covered on the upper end surface of the gas exchange chamber 2. A sealing gasket 18 is arranged in the through hole. The light source and the light source heat dissipation bottom plate are provided with a through hole, and an optical fiber through hole flange is provided on the upper end surface of the light source heat dissipation bottom plate. The optical fiber passes through the optical fiber flange, the light source heat dissipation bottom plate, the light source, and the through hole on the quartz glass sheet 15 in sequence to enter the gas exchange chamber 2. The utility model adopts a heat sink structure, so that the LED light source can be heat-dissipated and protected, so that it can work for a long time. The heat dissipation fan structure is also adopted, so that the heat sink can be heat-dissipated, and the heat dissipation effect is further ensured. The gas exchange method and the spectral method of photosynthesis measurement are synchronously coupled together, and used for research such as photosynthesis of plant leaves.
[0026] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.
Claims
1. A leaf photosynthesis gas exchange method and spectroscopy synchronous measurement coupling device, comprising a light source heat dissipation base plate (1) and a gas exchange chamber (2), characterized in that: The light source heat dissipation base plate (1) is symmetrically mounted with a connecting plate (11), the inner end of the connecting plate (11) is fixedly mounted with a gas exchange chamber (2) via a limit bolt, a through hole (12) is provided on the rear end surface of the light source heat dissipation base plate (1), an air inlet (13) and an air outlet (14) are symmetrically arranged on the upper and lower end surfaces of the gas exchange chamber (2), a covering quartz glass sheet (15) is symmetrically embedded on the front and rear end surfaces of the gas exchange chamber (2), an LED light source diffuser (16) is mounted on the front end surface of the light source heat dissipation base plate (1), and a plurality of groups of LED light source heat sinks (17) are mounted on the rear end surface of the light source heat dissipation base plate (1).
2. A leaf photosynthesis gas exchange method and spectroscopy synchronous measurement coupling device according to claim 1, characterized in that The front end surface of the gas exchange chamber (2) is provided with a through hole, and a sealing gasket (18) is arranged in the through hole.
3. The synchronous measurement coupling device for leaf photosynthesis gas exchange method and spectroscopy method according to claim 1, characterized in that: A plurality of groups of heat dissipation fans (19) are arranged behind the LED light source heat sink (17), and the heat dissipation fans (19) are connected to the rear end surface of the light source heat dissipation base plate (1) via support rods.
4. The synchronous measurement coupling device for leaf photosynthesis gas exchange method and spectroscopy method according to claim 1, characterized in that: A fixing plate (21) is symmetrically mounted on the front end surface of the light source heat dissipation base plate (1), and a plurality of temperature sensors (22) are mounted on the inner end of the fixing plate (21), wherein the temperature sensors (22) are closely attached to the side wall of the LED light source diffuser (16).
5. The synchronous measurement coupling device for leaf photosynthesis gas exchange method and spectroscopy method according to claim 4, characterized in that: A shell is installed on the front end surface of the light source heat dissipation base plate (1), a circuit board (23) is arranged inside the shell, a buzzer (24) is installed on the front end surface of the shell, and the buzzer (24) is electrically connected to the temperature sensor (22).
6. The synchronous measurement coupling device for leaf photosynthesis gas exchange method and spectroscopy method according to claim 3, characterized in that: The left and right side walls of the heat dissipation fan (19) are symmetrically provided with side plates, which are screwed together via fixing screws (25), and sealing sleeves are symmetrically screwed together at the upper and lower ends of the fixing screws (25), and the sealing sleeves are tightly attached to the side plates.
Citation Information
Patent Citations
Stock room for intensity measurement is breathed to small -size fruit based on photosynthesis system
CN205120695U