A new type of glass filter for optical dissolved oxygen sensor

Abstract

The invention discloses a novel glass filter for an optical dissolved oxygen sensor, comprising an inner transparent glass and an outer threaded ring fixing body. Filter membranes are arranged at the outer wall positions of the upper and lower ends of the inner transparent glass. Because a threaded outer fixing ring device is installed, the glass filter is firstly placed on the upper end of an elastic ring pad, so that the glass filter is placed inside an access hole. Because an outer threaded ring fixing body is installed, after the outer threaded ring fixing body is aligned with the access hole in the threaded outer fixing ring device, the ring fixing body is rotated to move downward. When the lower ring soft pad meets the fixing ring, the lower ring soft pad will compress the shock absorbing spring upward, so that the shock absorbing spring will be compressed, and the glass filter will be fixed at this time, and also a shock absorbing effect will be achieved, so that the glass filter will not be broken even if it falls to the ground, which not only reduces the property loss of the user, but also improves the work efficiency.

Description

Technical Field

[0001] The invention belongs to the technical field related to optical dissolved oxygen sensors, and in particular relates to a novel glass filter for optical dissolved oxygen sensors. Background Art

[0002] Glass filters are optical devices used to select the required radiation band. One common feature of glass filters is that no glass filter can make the image of celestial bodies brighter, because all glass filters absorb certain wavelengths, making the object darker. This is a flat glass or gelatin film of various colors, with a transmission bandwidth of hundreds of angstroms. It is mostly used in broadband photometry or installed in star spectrographs to isolate overlapping spectral orders. Its main feature is that the size can be made quite large. Glass filters are made of plastic or glass with special dyes added. Red glass filters can only let red light pass, and so on. The transmittance of glass is originally similar to that of air, and all colored light can pass through, so it is transparent. However, after being dyed with dyes, the molecular structure changes, the refractive index also changes, and the passage of certain colored light changes. For example, a beam of white light passes through a blue glass filter, and a beam of blue light is emitted, while green and red light are very small, and most of them are absorbed by the glass filter.

[0003] The existing optical dissolved oxygen sensor technology has the following problems: the optical dissolved oxygen sensor uses a glass filter. Because there is only one fixed ring on the outside, the glass filter will easily fall off during use. When the glass filter falls to the ground, it will easily break and become unusable. The user needs to replace the glass filter with a new one, which not only increases the user's property loss but also reduces work efficiency. Summary of the invention

[0004] The object of the present invention is to provide a novel glass filter for an optical dissolved oxygen sensor to solve the problems of increased property loss of users and reduced work efficiency proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a novel glass filter for an optical dissolved oxygen sensor, comprising an inner transparent glass and an external threaded ring fixing body, wherein filter membranes are arranged at the outer wall positions of the upper and lower ends of the inner transparent glass, outer transparent glasses are arranged at the outer wall positions of the two filter membranes, and transparent membranes are arranged at the outer wall positions of the two outer transparent glasses, and fixing rings are arranged at the outer wall positions of the transparent membrane, the filter membrane, the outer transparent glass and the left and right ends of the inner transparent glass, a threaded external fixed ring device is arranged at the outer wall position of the fixing ring, an external threaded ring fixing body is arranged at the upper end position of the fixing ring, and the external threaded ring fixing body is located at the upper middle position inside the threaded external fixed ring device.

[0006] Preferably, the externally threaded ring fixing body includes a shock absorbing device, a No. 1 externally threaded body and a ring fixing body, a No. 1 externally threaded body is provided at the outer wall of the ring fixing body, a shock absorbing device is provided at the lower end of the ring fixing body, and the externally threaded ring fixing body is fixedly connected to the threaded external fixing ring device via the No. 1 externally threaded body.

[0007] Preferably, the shock absorbing device includes a lower circular ring cushion, a shock absorbing spring and an upper circular ring connecting block, the shock absorbing springs are provided in six numbers, upper circular ring connecting blocks are provided at the upper ends of the six shock absorbing springs, and a lower circular ring cushion is provided at the lower ends of the shock absorbing springs, and the shock absorbing device is fixedly connected to the circular ring fixed body via the upper circular ring connecting block.

[0008] Preferably, the threaded external fixed ring device includes a No. 2 external threaded body, a concave central control ring body, an elastic ring pad, an internal threaded body and an access hole, an access hole is provided at the middle internal position of the concave central control ring body, an elastic ring pad is provided at the middle upper end position of the inner wall of the concave central control ring body, an internal threaded body is provided at the middle upper internal position of the inner part of the concave central control ring body, the internal threaded body is located above the outer wall of the elastic ring pad, a No. 2 external threaded body is provided at the outer wall position of the concave central control ring body, and the threaded external fixed ring device is fixedly connected to the external threaded ring fixed body via the internal threaded body.

[0009] Preferably, the inner transparent glass is made of transparent glass material, and the thickness of the inner transparent glass is set to one centimeter.

[0010] Preferably, the number of the outer transparent glasses is two, and the thickness of the two outer transparent glasses is thirty millimeters.

[0011] Preferably, the number of the filter membranes is two, and the two filter membranes are made of optical filter material.

[0012] Preferably, the fixing ring is made of a hard plastic material to form a hollow cylindrical structure, and the height of the fixing ring is set to three centimeters.

[0013] Compared with the prior art, the present invention provides a novel glass filter for an optical dissolved oxygen sensor, which has the following beneficial effects: the present invention is equipped with a threaded external fixed ring device, firstly, the glass filter is placed on the upper end of the elastic ring pad, so that the glass filter is placed inside the access hole, and because an external threaded ring fixing body is installed, after the external threaded ring fixing body is aligned with the access hole in the threaded external fixed ring device, the ring fixing body is moved downward by rotating the ring fixing body, and when the lower ring cushion meets the fixing ring, the lower ring cushion will compress the shock-absorbing spring upward, so that the shock-absorbing spring will be compressed, and the glass filter will be fixed at this time, and also have a shock-absorbing effect, which makes the glass filter not break even if it falls to the ground, which not only reduces the property loss of the user, but also improves the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 This is a schematic diagram of the structure of a novel glass filter for an optical dissolved oxygen sensor proposed by the present invention;

[0016] Figure 2 This is a schematic diagram of the internal anatomical structure of the glass filter proposed by the present invention;

[0017] Figure 3 This is a schematic diagram of the structure of the external threaded ring fixing body proposed by the present invention;

[0018] Figure 4 This is a schematic diagram of the structure of the shock absorbing device proposed by the present invention;

[0019] Figure 5 This is a schematic diagram of the structure of the threaded external fixing ring device proposed by the present invention;

[0020] In the figure: 1. external threaded ring fixing body; 11. shock absorbing device; 111. lower ring cushion; 112. shock absorbing spring; 113. upper ring connecting block; 12. No. 1 external threaded body; 13. ring fixing body; 2. threaded external fixing ring device; 21. No. 2 external threaded body; 22. concave central control ring body; 23. elastic ring cushion; 24. internal threaded body; 25. access hole; 3. transparent membrane; 4. filter membrane; 5. outer transparent glass; 6. fixing ring; 7. inner transparent glass. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-5 The present invention provides a technical solution: a novel glass filter for an optical dissolved oxygen sensor, comprising an inner transparent glass 7 and an external threaded ring fixing body 1, filter membranes 4 are arranged at the outer wall positions of the upper and lower ends of the inner transparent glass 7, outer transparent glasses 5 are arranged at the outer wall positions of the two filter membranes 4, transparent membranes 3 are arranged at the outer wall positions of the two outer transparent glasses 5, fixing rings 6 are arranged at the outer wall positions of the transparent membrane 3, the filter membrane 4, the outer transparent glass 5 and the left and right ends of the inner transparent glass 7, a threaded external fixed ring device 2 is arranged at the outer wall position of the fixing ring 6, an external threaded ring fixing body 1 is arranged at the upper end position of the fixing ring 6, and the external threaded ring fixing body 1 is located at the middle and upper position inside the threaded external fixed ring device 2.

[0023] Furthermore, the externally threaded ring fixing body 1 includes a shock absorbing device 11, a No. 1 externally threaded body 12 and a ring fixing body 13. A No. 1 externally threaded body 12 is arranged at the outer wall of the ring fixing body 13. For better fixation, a shock absorbing device 11 is arranged at the lower end of the ring fixing body 13. For better shock absorption and fixation, the externally threaded ring fixing body 1 is fixedly connected to the threaded external fixing ring device 2 through the No. 1 externally threaded body 12 for better fixation and connection.

[0024] Furthermore, the shock absorbing device 11 includes a lower annular cushion 111, a shock absorbing spring 112 and an upper annular connecting block 113. The shock absorbing springs 112 are provided in six numbers. An upper annular connecting block 113 is provided at the upper end of the six shock absorbing springs 112. For better connection, a lower annular cushion 111 is provided at the lower end of the shock absorbing spring 112. The shock absorbing device 11 is fixedly connected to the annular fixed body 13 via the upper annular connecting block 113 for better fixation and connection.

[0025] Furthermore, the threaded external fixed ring device 2 includes a No. 2 external threaded body 21, a concave central control ring body 22, an elastic ring pad 23, an internal threaded body 24 and an access hole 25. The access hole 25 is arranged at the middle internal position of the concave central control ring body 22, and the elastic ring pad 23 is arranged at the middle upper end position of the inner wall of the concave central control ring body 22. For better shock absorption and fixation, an internal threaded body 24 is arranged at the middle upper internal position of the concave central control ring body 22. The internal threaded body 24 is located above the outer wall of the elastic ring pad 23, and a No. 2 external threaded body 21 is arranged at the outer wall position of the concave central control ring body 22. For better fixation, the threaded external fixed ring device 2 is fixedly connected to the external threaded ring fixing body 1 through the internal threaded body 24 for better fixation and connection.

[0026] Further, the inner transparent glass 7 is made of transparent glass material, and the thickness of the inner transparent glass 7 is set to one centimeter for better work.

[0027] Further, two outer transparent glasses 5 are provided, and the thickness of the two outer transparent glasses 5 is set to be thirty millimeters for better work.

[0028] Furthermore, two filter membranes 4 are provided, and the two filter membranes 4 are made of optical filter materials for better filtering.

[0029] Furthermore, the fixing ring 6 is made of a hard plastic material to form a hollow cylindrical structure, and the height of the fixing ring 6 is set to three centimeters for better fixation.

[0030] The working principle and use process of the present invention are as follows: After the present invention is installed, the staff first aligns the entire glass filter with the access hole 25 in the threaded external fixed ring device 2, and then places the glass filter on the upper end of the elastic ring pad 23 in the threaded external fixed ring device 2. At this time, the fixing ring 6 will be next to the elastic ring pad 23, so that the glass filter is placed inside the access hole 25. At this time, the externally threaded ring fixing body 1 is aligned with the access hole 25 in the threaded external fixed ring device 2, and then the No. 1 external threaded body 12 in the externally threaded ring fixing body 1 is aligned and matched with the internal threaded body 24 in the threaded external fixed ring device 2, and then the ring fixing body 13 in the externally threaded ring fixing body 1 is rotated so that the No. 1 external threaded body 12 in the externally threaded ring fixing body 1 rotates inside the internal threaded body 24 in the threaded external fixed ring device 2, and And it drives the circular ring fixing body 13 in the externally threaded circular ring fixing body 1 to move downward. During the descent process, when the lower circular ring cushion 111 in the shock absorbing device 11 meets the fixing ring 6, the lower circular ring cushion 111 will compress the shock absorbing spring 112 upward, so that the shock absorbing spring 112 will be compressed. Since the circular ring fixing body 13 in the externally threaded circular ring fixing body 1 keeps moving downward, the reaction force of the shock absorbing spring 112 will fix the entire glass filter device, and also play a shock absorbing effect. When the upper end of the circular ring fixing body 13 is flush with the upper end of the concave central control circular ring body 22 in the threaded externally fixed circular ring device 2, the circular ring fixing body 13 in the externally threaded circular ring fixing body 1 moves downward to the specified position. At this time, the No. 2 externally threaded body 21 in the threaded externally fixed circular ring device 2 can be used after being rotated and fixedly connected to the external equipment.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel glass filter for an optical dissolved oxygen sensor, comprising an inner transparent glass (7) and an outer threaded ring fixing body (1), characterized in that: The inner transparent glass (7) is provided with filter membranes (4) at the outer wall positions of the upper and lower ends, outer transparent glass (5) is provided at the outer wall positions of the two filter membranes (4), transparent membranes (3) are provided at the outer wall positions of the two outer transparent glass (5), and the transparent membranes (3), the filter membranes (4), the outer transparent glass (5) and the outer wall positions of the left and right ends of the inner transparent glass (7) are all provided with fixing rings (6), and the fixing rings (6) are provided at the outer wall positions of the threaded outer fixing ring device (2 ), an externally threaded annular fixing body (1) is arranged at the upper end of the fixing ring (6), and the externally threaded annular fixing body (1) is located at the upper middle position inside the threaded external fixing annular device (2); the externally threaded annular fixing body (1) comprises a shock absorbing device (11), a No. 1 externally threaded body (12) and an annular fixing body (13), the No. 1 externally threaded body (12) is arranged at the outer wall of the annular fixing body (13), and the shock absorbing device (11) is arranged at the lower end of the annular fixing body (13). ), the external threaded annular fixing body (1) is fixedly connected to the threaded external fixing annular device (2) via a No. 1 external threaded body (12); the threaded external fixing annular device (2) comprises a No. 2 external threaded body (21), a concave central control annular body (22), an elastic annular pad (23), an internal threaded body (24) and an access hole (25); the access hole (25) is provided at a middle inner position of the concave central control annular body (22); and a An elastic circular ring gasket (23), an internal thread body (24) is arranged at an internal position in the middle and upper part of the inner concave central control circular ring body (22), the internal thread body (24) is located at a position above the outer wall of the elastic circular ring gasket (23), a second external thread body (21) is arranged at a position on the outer wall of the concave central control circular ring body (22), the threaded external fixing circular ring device (2) is fixedly connected to the external threaded circular ring fixing body (1) through the internal thread body (24); and the fixing ring (6) is adjacent to the elastic circular ring gasket (23).

2. The novel glass filter for optical dissolved oxygen sensor according to claim 1, characterized in that: The shock absorbing device (11) comprises a lower circular ring cushion (111), a shock absorbing spring (112) and an upper circular ring connecting block (113); the shock absorbing springs (112) are provided in six numbers; the upper circular ring connecting blocks (113) are provided at the upper ends of the six shock absorbing springs (112); the lower circular ring cushion (111) is provided at the lower ends of the shock absorbing springs (112); and the shock absorbing device (11) is fixedly connected to the circular ring fixing body (13) via the upper circular ring connecting block (113).

3. The novel glass filter for optical dissolved oxygen sensor according to claim 1, characterized in that: The inner transparent glass (7) is made of a transparent glass material, and the thickness of the inner transparent glass (7) is set to one centimeter.

4. The novel glass filter for optical dissolved oxygen sensor according to claim 1, characterized in that: The number of the outer transparent glass (5) is two, and the thickness of the two outer transparent glass (5) is thirty millimeters.

5. The novel glass filter for optical dissolved oxygen sensor according to claim 1, characterized in that: The filter membranes (4) are provided in two numbers, and the two filter membranes (4) are made of optical filter material.

6. The novel glass filter for optical dissolved oxygen sensor according to claim 1, characterized in that: The fixing ring (6) is made of a hard plastic material to form a hollow cylindrical structure, and the height of the fixing ring (6) is set to three centimeters.

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