CN102095471B - Transmission type photoelectric sensor - Google Patents
Transmission type photoelectric sensor Download PDFInfo
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- CN102095471B CN102095471B CN 201010605065 CN201010605065A CN102095471B CN 102095471 B CN102095471 B CN 102095471B CN 201010605065 CN201010605065 CN 201010605065 CN 201010605065 A CN201010605065 A CN 201010605065A CN 102095471 B CN102095471 B CN 102095471B
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- transparent tube
- fixedly connected
- annular
- gland nut
- backstay
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Abstract
The invention provides a transmission type photoelectric sensor. The sensor comprises a mounting flange, first gland nuts, second gland nuts, a first transparent tube, a second transparent tube, light generating devices, light receiving devices, a first locating rod and a second locating rod, wherein the first transparent tube extends into a first seal cavity and is fixedly connected with the first gland nuts in a sealing manner; the second transparent tube extends into a second seal cavity and is fixedly connected with the second gland nuts in a sealing manner; the first locating rod is arranged in the cavity of the first transparent tube; the second locating rod is arranged in the cavity of the second transparent tube; the light generating devices are fixedly connected with the first locating rod; the light receiving devices are fixedly connected with the second locating rod; and the light generating devices horizontally correspond to the corresponding light receiving devices. The sensor is used for detecting the liquid level or smoke concentration, has a simple structure and is convenient to use.
Description
Technical field
The present invention relates to a kind of transmission-type photoelectric sensor, especially a kind of transmission-type photoelectric sensor of measuring smokescope in water, fluid body fluid position or the measurement gas.
Background technology
At present, to water, oil with have in the level gauging of liquid such as corrosivity, and in the detection to smokescope in the gas etc.; The general method of using range estimation, this method had both been wasted manpower, and precision is not again very high; Some special occasions is (if any the environment of malicious liquids and gases; The concentration of airtight nontransparent liquid in containers and smog etc.) very inconvenient again with the method for manual read's number, and some measured liquids and gases has corrosivity and inflammable and explosive characteristics, liquid level gauge contacts with liquids and gases for a long time; Be corroded and cause measuring error; Cause reduce greatly its serviceable life even lost efficacy, though some sensor is powerful, because complex structure, cost an arm and a leg and people are hung back.
Summary of the invention
The object of the present invention is to provide a kind of transmission-type photoelectric sensor simple in structure, easy to use.
In order to achieve the above object; Technical scheme of the present invention is: a kind of transmission-type photoelectric sensor; Comprise mounting flange, first gland nut, second gland nut, first transparent tube, second transparent tube, several optical generator spares, several light receiving elements, first backstay and second backstay; Mounting flange is tightly connected with first gland nut and second gland nut respectively, and forms first annular seal space and second annular seal space, and the top of first transparent tube is stretched in first annular seal space; The pipe shaft of first transparent tube and first gland nut are sealedly and fixedly connected; The top of second transparent tube is stretched in second annular seal space, and the pipe shaft of second transparent tube and second gland nut are sealedly and fixedly connected, and first backstay and first transparent tube are fixedly connected and are positioned at the inner chamber of first transparent tube; Second backstay and second transparent tube are fixedly connected and are positioned at the inner chamber of second transparent tube; Several optical generator spares are fixedly connected with first backstay, and several light receiving elements are fixedly connected with second backstay, and each optical generator spare is corresponding with corresponding light receiving element horizontal level.
The bottom of said mounting flange has first annular and connects the boss and the second annular boss that is connected; The first annular connection boss is connected the boss periphery with second annular and has external thread; First gland nut and second gland nut have first counterbore and second counterbore respectively; The inwall of first counterbore and second counterbore all has internal thread, and the external thread that first annular connects boss is threaded with the internal thread of first counterbore, and the external thread that second annular connects boss is connected with the internal thread of second counterbore.
The bottom of said first backstay is fixedly connected with the inner bottom of first transparent tube; The bottom of second backstay is fixedly connected with the inner bottom of second transparent tube; Several optical generator spares are fixedly connected with first backstay evenly and at intervals, and several light receiving elements are fixedly connected with second backstay evenly and at intervals.
Has first O-ring seal in first counterbore of said first gland nut; First annular of mounting flange connects the boss lower end and first O-ring seal offsets; The upper end of first transparent tube has the first radial ringed boss; The first radial ringed boss lower end and the first O-ring seal top offset, and the first counterbore bottom surface of the first O-ring seal bottom and first gland nut offsets, and the mesopore hoop of first O-ring seal is on the pipe shaft of first transparent tube; Has second O-ring seal in second counterbore of second gland nut; Second annular of mounting flange connects the boss lower end and second O-ring seal offsets; The upper end of second transparent tube has the second radial ringed boss; The second radial ringed boss lower end and the second O-ring seal top offset, and the second counterbore bottom surface of the second O-ring seal bottom and second gland nut offsets, and the mesopore hoop of second O-ring seal is on the pipe shaft of second transparent tube.
Said first O-ring seal and second O-ring seal are the wedge-type seal circle.
Said first transparent tube and second transparent tube are glass tube.
After adopting said structure,, and form first annular seal space and second annular seal space owing to mounting flange is tightly connected with first gland nut and second gland nut respectively; The top of first transparent tube is stretched in first annular seal space, and the pipe shaft of first transparent tube and first gland nut are sealedly and fixedly connected, and the top of second transparent tube is stretched in second annular seal space; The pipe shaft of second transparent tube and second gland nut are sealedly and fixedly connected; First backstay and first transparent tube are fixedly connected and are positioned at the inner chamber of first transparent tube, and second backstay and second transparent tube are fixedly connected and are positioned at the inner chamber of second transparent tube, and several optical generator spares are fixedly connected with first backstay; Several light receiving elements are fixedly connected with second backstay; And each optical generator spare is corresponding with corresponding light receiving element horizontal level, and is therefore simple in structure, easy to assembly; And above-mentioned part can buy reasonable price through market; Need only during work the present invention is installed in the liquid tank that needs to measure; And several optical generator spares and several light receiving elements are electrically connected with the disposal system of peripheral hardware respectively; Just can be through the light of the emission of the optical generator spare in first transparent tube; And through the reception of the light receiving element in second transparent tube, handle the light power that receives from light receiving element through disposal system again and come the measuring liquid level height, principle is to have used the difference of the light reflectivity of air and liquid to measure; Therefore measure simple, easy to use.
Description of drawings
Fig. 1 is a structure cut-open view of the present invention;
Fig. 2 is user mode figure of the present invention.
Embodiment
The embodiment that provides below in conjunction with accompanying drawing does further detailed explanation to the present invention.
Referring to shown in Figure 1; A kind of transmission-type photoelectric sensor; Comprise mounting flange 1, first gland nut 2, second gland nut 3, first transparent tube 4, second transparent tube 5, several optical generator spares 6, several light receiving elements 7, first backstay 8 and second backstay 9; Mounting flange 1 is tightly connected with first gland nut 2 and second gland nut 3 respectively, and forms the first annular seal space 2-1 and the second annular seal space 3-1, and the top of first transparent tube 4 is stretched in the first annular seal space 2-1; The pipe shaft of first transparent tube 4 and first gland nut 2 are sealedly and fixedly connected; The top of second transparent tube 5 is stretched in the second annular seal space 3-1, and the pipe shaft of second transparent tube 5 and second gland nut 3 are sealedly and fixedly connected, and first backstay 8 and first transparent tube 4 are fixedly connected and are positioned at the inner chamber 4-1 of first transparent tube 4; Second backstay 9 and second transparent tube 5 are fixedly connected and are positioned at the inner chamber 5-1 of second transparent tube 5; Several optical generator spares 6 are fixedly connected with first backstay 8, and several light receiving elements 7 are fixedly connected with second backstay 9, and each optical generator spare 6 is corresponding with corresponding light receiving element 7 horizontal levels.
Referring to shown in Figure 1; In order to install and remove conveniently; The bottom of said mounting flange 1 has first annular and connects the boss 1-2 and the second annular boss 1-3 that is connected; The first annular connection boss 1-2 is connected boss 1-3 periphery with second annular and has external thread, and first gland nut 2 and second gland nut 3 have the first counterbore 2-2 and the second counterbore 3-2 respectively, and the inwall of the first counterbore 2-2 and the second counterbore 3-2 all has internal thread; The external thread that first annular connects boss 1-2 is threaded with the internal thread of the first counterbore 2-2, and the external thread that second annular connects boss 1-3 is connected with the internal thread of the second counterbore 3-2.
Referring to shown in Figure 1; For accurate measuring liquid level; The bottom of said first backstay 8 is fixedly connected with the inner bottom of first transparent tube 4; The bottom of second backstay 9 is fixedly connected with the inner bottom of second transparent tube 5, and several optical generator spares 6 are fixedly connected with first backstay 8 evenly and at intervals, and several light receiving elements 7 are fixedly connected with second backstay 9 evenly and at intervals.
Referring to shown in Figure 1; For transparent tube 3 and gland nut 2 are tightly connected; Has first O-ring seal 11 in the first counterbore 2-2 of said first gland nut 2; First annular of mounting flange 1 connects boss 1-2 lower end and first O-ring seal 11 offsets, and the upper end of first transparent tube 4 has the first radial ringed boss 4-2, and the first radial ringed boss 4-2 lower end and first O-ring seal, 11 tops offset; The first counterbore 2-2 bottom surface of first O-ring seal, 11 bottoms and first gland nut 2 offsets, and the mesopore hoop of first O-ring seal 11 is on the pipe shaft of first transparent tube 4; Has second O-ring seal 12 in the second counterbore 3-2 of second gland nut 3; Second annular of mounting flange 1 connects boss 1-3 lower end and second O-ring seal 12 offsets; The upper end of second transparent tube 5 has the second radial ringed boss 5-2; The second radial ringed boss 5-2 lower end and second O-ring seal, 12 tops offset, and the second counterbore 3-2 bottom surface of second O-ring seal, 12 bottoms and second gland nut 3 offsets, and the mesopore hoop of second O-ring seal 12 is on the pipe shaft of second transparent tube 5; First O-ring seal 11 and second O-ring seal 12 are the wedge-type seal circle, also can be the O RunddichtringO.
Referring to shown in Figure 1, in order further to reduce expenses, said first transparent tube 4 and second transparent tube 5 are glass tube.
Referring to Fig. 1, shown in 2; When the present invention uses, mounting flange 1 is fixedly connected on the liquid tank 13, stretches into first transparent tube 4 and second transparent tube 5 in the liquid tank 13; And several optical generator spares 6 and several light receiving elements 7 are electrically connected with the disposal system 10 of peripheral hardware respectively; During measurement, the optical generator spare 6 emission light in first transparent tube 4, and through 7 receptions of the light receiving element in second transparent tube 5; Handle the light power that receives from light receiving element 7 through disposal system 10 again and come the measuring liquid level height; Because the data that the difference of gas and Liquid Absorption light reads light receiving element 7 are also different, carry out Treatment Analysis through disposal system 10 again, draw the liquid level in the level tank 13.
Claims (4)
1. transmission-type photoelectric sensor; It is characterized in that: comprise mounting flange (1), first gland nut (2), second gland nut (3), first transparent tube (4), second transparent tube (5), several optical generator spares (6), several light receiving elements (7), first backstay (8) and second backstay (9); Mounting flange (1) is tightly connected with first gland nut (2) and second gland nut (3) respectively; And form first annular seal space (2-1) and second annular seal space (3-1); The top of first transparent tube (4) is stretched in first annular seal space (2-1); The pipe shaft of first transparent tube (4) and first gland nut (2) are sealedly and fixedly connected; The top of second transparent tube (5) is stretched in second annular seal space (3-1); The pipe shaft of second transparent tube (5) and second gland nut (3) are sealedly and fixedly connected; First backstay (8) and first transparent tube (4) are fixedly connected and are positioned at the inner chamber (4-1) of first transparent tube (4); Second backstay (9) and second transparent tube (5) are fixedly connected and are positioned at the inner chamber (5-1) of second transparent tube (5); Several optical generator spares (6) are fixedly connected with first backstay (8), and several light receiving elements (7) are fixedly connected with second backstay (9), and each optical generator spare (6) is corresponding with corresponding light receiving element (7) horizontal level; The bottom of said mounting flange (1) has first annular and connects the boss (1-2) and the second annular boss (1-3) that is connected; The first annular connection boss (1-2) is connected boss (1-3) periphery with second annular and has external thread, and first gland nut (2) and second gland nut (3) have first counterbore (2-2) and second counterbore (3-2) respectively, and the inwall of first counterbore (2-2) and second counterbore (3-2) all has internal thread; The external thread that first annular connects boss (1-2) is threaded with the internal thread of first counterbore (2-2); The external thread that second annular connects boss (1-3) is connected with the internal thread of second counterbore (3-2), has first O-ring seal (11) in first counterbore (2-2) of said first gland nut (2), and first annular of mounting flange (1) connects boss (1-2) lower end and first O-ring seal (11) offsets; The upper end of first transparent tube (4) has the first radial ringed boss (4-2); First radial ringed boss (4-2) lower end and first O-ring seal (11) top offset, and first counterbore (2-2) bottom surface of first O-ring seal (11) bottom and first gland nut (2) offsets, and the mesopore hoop of first O-ring seal (11) is on the pipe shaft of first transparent tube (4); Has second O-ring seal (12) in second counterbore (3-2) of second gland nut (3); Second annular of mounting flange (1) connects boss (1-3) lower end and second O-ring seal (12) offsets; The upper end of second transparent tube (5) has the second radial ringed boss (5-2); Second radial ringed boss (5-2) lower end and second O-ring seal (12) top offset; Second counterbore (3-2) bottom surface of second O-ring seal (12) bottom and second gland nut (3) offsets, and the mesopore hoop of second O-ring seal (12) is on the pipe shaft of second transparent tube (5).
2. transmission-type photoelectric sensor according to claim 1; It is characterized in that: the bottom of said first backstay (8) is fixedly connected with the inner bottom of first transparent tube (4); The bottom of second backstay (9) is fixedly connected with the inner bottom of second transparent tube (5); Several optical generator spares (6) are fixedly connected with first backstay (8) evenly and at intervals, and several light receiving elements (7) are fixedly connected with second backstay (9) evenly and at intervals.
3. transmission-type photoelectric sensor according to claim 1 is characterized in that: said first O-ring seal (11) and second O-ring seal (12) are the wedge-type seal circle.
4. transmission-type photoelectric sensor according to claim 1 is characterized in that: said first transparent tube (4) and second transparent tube (5) are glass tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010605065 CN102095471B (en) | 2010-12-26 | 2010-12-26 | Transmission type photoelectric sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010605065 CN102095471B (en) | 2010-12-26 | 2010-12-26 | Transmission type photoelectric sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102095471A CN102095471A (en) | 2011-06-15 |
| CN102095471B true CN102095471B (en) | 2012-10-17 |
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ID=44128658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010605065 Expired - Fee Related CN102095471B (en) | 2010-12-26 | 2010-12-26 | Transmission type photoelectric sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN102095471B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546113B (en) * | 2016-01-27 | 2017-12-26 | 常州罗盘星检测科技有限公司 | A kind of sealing structure and its processing technology |
| CN114354547B (en) * | 2022-03-16 | 2022-05-20 | 成都理工大学 | Medium interface optical sensor and detection method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2112805U (en) * | 1991-09-27 | 1992-08-12 | 黄春胞 | Photoelectric liquid level display control alarm instrument |
| CN2225650Y (en) * | 1995-06-30 | 1996-04-24 | 包钢耐火材料公司 | Sealing device for injection system of metallurgical calcining kiln |
| CN2235112Y (en) * | 1995-07-26 | 1996-09-11 | 蔡亮 | Photoelectric sensor level instrument |
| DE10039765A1 (en) * | 2000-08-16 | 2002-02-28 | Volkswagen Ag | Device for determining the level of a filling medium in a tank comprises light sender and receiver units with their respective elements arranged at a definite pitch in the level measurement direction |
| DE10221823A1 (en) * | 2002-05-10 | 2003-11-27 | Out Optotransmitter Umweltschu | Measuring liquid level, degree of fouling of water, other transparent liquids involves passing different emission spectra through liquid, acquiring modified spectra, feeding to optoelectronic receiver |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005140745A (en) * | 2003-11-10 | 2005-06-02 | Ai Denshi Kogyo:Kk | Optical level sensor and liquid level detector using the same sensor |
-
2010
- 2010-12-26 CN CN 201010605065 patent/CN102095471B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2112805U (en) * | 1991-09-27 | 1992-08-12 | 黄春胞 | Photoelectric liquid level display control alarm instrument |
| CN2225650Y (en) * | 1995-06-30 | 1996-04-24 | 包钢耐火材料公司 | Sealing device for injection system of metallurgical calcining kiln |
| CN2235112Y (en) * | 1995-07-26 | 1996-09-11 | 蔡亮 | Photoelectric sensor level instrument |
| DE10039765A1 (en) * | 2000-08-16 | 2002-02-28 | Volkswagen Ag | Device for determining the level of a filling medium in a tank comprises light sender and receiver units with their respective elements arranged at a definite pitch in the level measurement direction |
| DE10221823A1 (en) * | 2002-05-10 | 2003-11-27 | Out Optotransmitter Umweltschu | Measuring liquid level, degree of fouling of water, other transparent liquids involves passing different emission spectra through liquid, acquiring modified spectra, feeding to optoelectronic receiver |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2005-140745A 2005.06.02 |
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| CN102095471A (en) | 2011-06-15 |
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