CN112034122A - Waterproof type water quality sensor - Google Patents
Waterproof type water quality sensor Download PDFInfo
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- CN112034122A CN112034122A CN202010794014.0A CN202010794014A CN112034122A CN 112034122 A CN112034122 A CN 112034122A CN 202010794014 A CN202010794014 A CN 202010794014A CN 112034122 A CN112034122 A CN 112034122A
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- main body
- waterproof
- body shell
- water quality
- membrane cap
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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Abstract
The invention discloses a waterproof water quality sensor, which relates to the technical field of sensors and comprises a sensor main body, wherein the sensor main body comprises a main body shell and a sensor body arranged in the main body shell, the lower end of the main body shell is connected with a membrane cap, and a waterproof sealing ring is arranged between the membrane cap and the main body shell. According to the invention, the plurality of waterproof sealing rings are arranged between the membrane cap and the main body shell, so that the sealing performance between the membrane cap and the main body shell is effectively improved; simultaneously, adopt long distance screw thread design between membrane cap and the main body cover, not only make to realize dismantling between membrane cap and the main body cover and be connected, be convenient for change the membrane cap alone, reduce cost as far as possible under the prerequisite of ensureing to detect the precision, strengthened connection stability and waterproof performance between membrane cap and the main body cover moreover, can avoid in the external water infiltration sensor.
Description
Technical Field
The invention relates to the technical field of sensors, in particular to a waterproof water quality sensor.
Background
The water quality sensor is used for detecting parameters such as oxygen content, ph value, salinity, dissolved oxygen, conductivity and the like in water, and is mainly applied to the fields of riverways, oceans, aquaculture, environmental protection and the like. The traditional water quality sensor has poor waterproof performance, is easy to leak water after being used underwater for a long time, has poor pressure resistance and cannot be used in deep water.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and provides a waterproof water quality sensor.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the utility model provides a waterproof type water quality sensor, includes the sensor main part, the sensor main part includes main body cover and sets up the sensor body in main body cover, main body cover's lower extreme is connected with the membrane cap, just the membrane cap with be provided with waterproof sealing washer between the main body cover.
As a preferable aspect of the waterproof water quality sensor of the present invention, wherein: the lower extreme of main part shell is provided with the external screw thread, be provided with in the membrane cap with external screw thread assorted internal thread, set up on the main part shell and supply the lower annular draw-in groove of waterproof sealing washer embedding, waterproof sealing washer install in the lower annular draw-in groove.
As a preferable aspect of the waterproof water quality sensor of the present invention, wherein: the lower annular clamping grooves are at least two and are sequentially arranged along the length direction of the main body shell.
As a preferable aspect of the waterproof water quality sensor of the present invention, wherein: and a waterproof gasket is arranged between the end face of the end, provided with the external thread, of the main body shell and the inner end face of the membrane cap.
As a preferable aspect of the waterproof water quality sensor of the present invention, wherein: the waterproof gasket is a silica gel gasket.
As a preferable aspect of the waterproof water quality sensor of the present invention, wherein: the other end of the main body shell is connected with an insulating heat-insulating sleeve, and a stainless steel upper shell is sleeved outside the insulating heat-insulating sleeve.
As a preferable aspect of the waterproof water quality sensor of the present invention, wherein: and a waterproof sealing ring is also arranged between the insulating heat-insulating sleeve and the main body shell.
As a preferable aspect of the waterproof water quality sensor of the present invention, wherein: the main body cover closes on insulating heat insulation sleeve's one end is provided with the external screw thread, be provided with in the insulating heat insulation sleeve with external screw thread assorted internal thread, main body cover has seted up the confession last annular draw-in groove of waterproof sealing washer embedding, waterproof sealing washer install in last annular draw-in groove.
As a preferable aspect of the waterproof water quality sensor of the present invention, wherein: go up annular draw-in groove and be provided with two at least, and follow the length direction of subject casing sets gradually.
The invention has the beneficial effects that:
(1) according to the invention, the plurality of waterproof sealing rings are arranged between the membrane cap and the main body shell, so that the sealing performance between the membrane cap and the main body shell is effectively improved; meanwhile, the membrane cap and the main body shell are designed by adopting long-distance threads, so that the membrane cap and the main body shell are detachably connected, the membrane cap is convenient to replace independently, the cost is reduced as far as possible on the premise of ensuring the detection precision, the connection stability and the waterproof performance between the membrane cap and the main body shell are reinforced, and external water can be prevented from permeating into the sensor;
(2) according to the invention, the waterproof gasket is arranged between the lower end face of the main body shell and the inner end face of the membrane cap, and is matched with the waterproof sealing ring, so that a multi-layer waterproof structure design is realized, the connection sealing performance between the membrane cap and the main body shell is improved, the pressure resistance of the sensor is improved, and the pressure resistance of the sensor is improved to more than 1 Mpa;
(3) according to the invention, the upper end of the main body shell is also connected with the insulating sleeve, so that the insulating and heat-insulating effects can be achieved, the temperature of the sensor is prevented from being influenced by heat conduction in the sensor, and the detection accuracy is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural view of a waterproof water quality sensor provided by the present invention;
wherein: 1. a main body housing; 2. a membrane cap; 3. a waterproof sealing ring; 4. a lower annular slot; 5. a waterproof gasket; 6. an insulating sleeve; 7. a stainless steel upper shell; 8. an upper annular slot.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
The embodiment provides a waterproof water quality sensor, which comprises a sensor main body, a membrane cap 2 and a stainless steel upper shell 7. The membrane cap 2 is connected at the lower end of the sensor main body, and the stainless steel upper shell 7 is connected at the upper end of the sensor main body.
Wherein, the sensor main part includes main part shell 1 and installs the sensor body in main part shell 1. The lower extreme of this main body cover 1 is provided with the external screw thread, correspondingly be provided with in membrane cap 2 with external screw thread assorted internal thread, membrane cap 2 realizes being connected with dismantling between main body cover 1 through the cooperation of internal and external screw thread. The outer side of the main body shell 1 is further provided with a lower annular clamping groove 4, the lower annular clamping groove 4 is located above the external thread at the lower end of the main body shell 1, and a waterproof sealing ring 3 is installed in the lower annular clamping groove 4. When the membrane cap 2 is installed at the lower end of the main body shell 1, the waterproof sealing ring 3 is positioned between the connecting surfaces of the membrane cap 2 and the main body shell 1, and the waterproof sealing ring 3 is tightly attached to the inner side surface of the membrane cap 2.
Preferably, two lower annular slots 4 are formed in the outer side surface of the main body casing 1, and the two lower annular slots 4 are sequentially arranged along the axis direction of the main body casing 1. And waterproof sealing rings 3 are arranged on the two lower annular clamping grooves 4. Seal between being connected the face through two waterproof sealing circle 3 to membrane cap 2 and main body cover 1, further improved the sealing performance that membrane cap 2 and main body cover 1 lower extreme are connected, can effectively prevent in the water infiltration sensor.
In addition, the inner end face of the membrane cap 2 is also provided with an annular waterproof gasket 5, when the membrane cap 2 is installed at the lower end of the main body shell 1, the waterproof gasket 5 is positioned between the lower end face of the main body shell 1 and the inner end face of the membrane cap 2, and the upper end and the lower end of the waterproof gasket 5 are respectively tightly attached to the lower end face of the main body shell 1 and the inner end face of the membrane cap 2. The waterproof gasket 5 not only improves the connection sealing performance between the membrane cap 2 and the main body casing 1, but also improves the pressure resistance of the sensor.
An external thread is also arranged at the upper end of the main body shell 1, an insulating heat-insulating sleeve 6 is connected to the upper end of the main body shell 1, an internal thread matched with the external thread is arranged in the insulating heat-insulating sleeve 6, and the insulating heat-insulating sleeve 6 is detachably connected to the upper end of the main body shell 1 through the matching of the internal thread and the external thread. The stainless steel upper shell 7 is coaxially sleeved outside the insulating sleeve 6.
Wherein, an upper annular clamping groove 8 is arranged at the upper end of the main body shell 1 below the external thread, and a waterproof sealing ring 3 is also arranged in the upper annular clamping groove 8. When the insulating heat-insulating sleeve 6 is installed at the upper end of the main body casing 1, the waterproof sealing ring 3 positioned in the upper annular clamping groove 8 is positioned between the connecting surfaces of the insulating heat-insulating sleeve 6 and the main body casing 1, and the waterproof sealing ring 3 is tightly attached to the inner side surface of the insulating heat-insulating sleeve 6. The waterproof seal ring 3 improves the connection sealing property between the insulating sleeve 6 and the main body casing 1.
Preferably, the upper annular clamping grooves 8 are also provided in two, and are sequentially arranged along the axial direction of the main body housing 1. And waterproof sealing rings 3 are arranged in the two annular clamping grooves.
Therefore, the invention adopts a multilayer waterproof structure design, a plurality of waterproof sealing rings 3 are arranged between the membrane cap 2 and the main body shell 1, and a waterproof gasket 5 is also arranged between the lower end surface of the main body shell 1 and the inner end surface of the membrane cap 2, thereby not only improving the connection sealing performance between the membrane cap 2 and the main body shell 1, but also improving the pressure resistance of the sensor.
In addition to the above embodiments, the present invention may have other embodiments; all technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (9)
1. A waterproof water quality sensor is characterized in that: the sensor comprises a sensor main body, the sensor main body comprises a main body shell (1) and a sensor body arranged in the main body shell (1), the lower end of the main body shell (1) is connected with a membrane cap (2), and a waterproof sealing ring (3) is arranged between the membrane cap (2) and the main body shell (1).
2. The waterproof water quality sensor according to claim 1, characterized in that: the lower extreme of main part shell (1) is provided with the external screw thread, be provided with in membrane cap (2) with external screw thread assorted internal thread, set up on main part shell (1) and supply lower annular draw-in groove (4) of waterproof sealing washer (3) embedding, waterproof sealing washer (3) install in lower annular draw-in groove (4).
3. The waterproof water quality sensor according to claim 2, characterized in that: the lower annular clamping grooves (4) are at least two and are sequentially arranged along the length direction of the main body shell (1).
4. A water-proof type water quality sensor according to claim 2 or 3, characterized in that: and a waterproof gasket (5) is arranged between the end face of one end, provided with the external thread, of the main body shell (1) and the inner end face of the membrane cap (2).
5. The waterproof water quality sensor according to claim 4, characterized in that: the waterproof gasket (5) is a silica gel gasket.
6. The waterproof water quality sensor according to claim 1, 2, 3 or 5, characterized in that: the other end of the main body shell (1) is connected with an insulating heat-insulating sleeve (6), and a stainless steel upper shell (7) is sleeved outside the insulating heat-insulating sleeve (6).
7. The waterproof water quality sensor according to claim 6, characterized in that: and a waterproof sealing ring (3) is also arranged between the insulating heat-insulating sleeve (6) and the main body shell (1).
8. The waterproof water quality sensor according to claim 7, characterized in that: main body cover (1) closes on the one end of insulating sleeve pipe (6) is provided with the external screw thread, be provided with in insulating sleeve pipe (6) with external screw thread assorted internal thread, main body cover (1) has been seted up and has been supplied last annular clamping groove (8) of waterproof sealing washer (3) embedding, waterproof sealing washer (3) install in last annular clamping groove (8).
9. The waterproof water quality sensor according to claim 8, characterized in that: the upper annular clamping grooves (8) are at least provided with two and are sequentially arranged along the length direction of the main body shell (1).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010794014.0A CN112034122A (en) | 2020-08-10 | 2020-08-10 | Waterproof type water quality sensor |
PCT/CN2020/110482 WO2022032710A1 (en) | 2020-08-10 | 2020-08-21 | Waterproof water quanlity sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010794014.0A CN112034122A (en) | 2020-08-10 | 2020-08-10 | Waterproof type water quality sensor |
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CN112034122A true CN112034122A (en) | 2020-12-04 |
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CN202010794014.0A Pending CN112034122A (en) | 2020-08-10 | 2020-08-10 | Waterproof type water quality sensor |
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CN (1) | CN112034122A (en) |
WO (1) | WO2022032710A1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2754096Y (en) * | 2004-12-13 | 2006-01-25 | 江苏江分电分析仪器有限公司 | Ammonia-sensitive electrode |
CN201229317Y (en) * | 2008-06-16 | 2009-04-29 | 上海葛宝水处理设备有限公司 | Electrode sensor of dissolved oxygen analyzer |
CN204065006U (en) * | 2014-09-17 | 2014-12-31 | 山东天元盈康检测评价技术有限公司 | A kind of portable dissolved oxygen analyzer |
CN109459550A (en) * | 2018-12-20 | 2019-03-12 | 苏州科技城医院 | Water quality real-time monitoring analyzing system based on wireless network transmissions |
CN110887945A (en) * | 2019-12-16 | 2020-03-17 | 南京奇崛电子科技有限公司 | Multi-parameter water quality sensor |
CN211086223U (en) * | 2019-08-16 | 2020-07-24 | 湖南天联城市数控有限公司 | Water-sealed waterproof gas sensor device |
-
2020
- 2020-08-10 CN CN202010794014.0A patent/CN112034122A/en active Pending
- 2020-08-21 WO PCT/CN2020/110482 patent/WO2022032710A1/en active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2754096Y (en) * | 2004-12-13 | 2006-01-25 | 江苏江分电分析仪器有限公司 | Ammonia-sensitive electrode |
CN201229317Y (en) * | 2008-06-16 | 2009-04-29 | 上海葛宝水处理设备有限公司 | Electrode sensor of dissolved oxygen analyzer |
CN204065006U (en) * | 2014-09-17 | 2014-12-31 | 山东天元盈康检测评价技术有限公司 | A kind of portable dissolved oxygen analyzer |
CN109459550A (en) * | 2018-12-20 | 2019-03-12 | 苏州科技城医院 | Water quality real-time monitoring analyzing system based on wireless network transmissions |
CN211086223U (en) * | 2019-08-16 | 2020-07-24 | 湖南天联城市数控有限公司 | Water-sealed waterproof gas sensor device |
CN110887945A (en) * | 2019-12-16 | 2020-03-17 | 南京奇崛电子科技有限公司 | Multi-parameter water quality sensor |
Non-Patent Citations (1)
Title |
---|
刘佩华: "《高分子建筑材料与检测》", 30 November 2009 * |
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WO2022032710A1 (en) | 2022-02-17 |
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Application publication date: 20201204 |