CN111030665B - Induction type underwater switch - Google Patents
Induction type underwater switch Download PDFInfo
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- CN111030665B CN111030665B CN201911213642.9A CN201911213642A CN111030665B CN 111030665 B CN111030665 B CN 111030665B CN 201911213642 A CN201911213642 A CN 201911213642A CN 111030665 B CN111030665 B CN 111030665B
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- rotor
- handle
- pressure
- cover plate
- fixing ring
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/945—Proximity switches
- H03K17/95—Proximity switches using a magnetic detector
- H03K17/9505—Constructional details
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Abstract
The invention discloses an induction type underwater switch which comprises a handle, a handle pull shaft, a pressure spring, a cover plate, a rotor fixing ring, a pressure shell, a rotor, a Hall sensor proximity switch and a strong magnet, wherein the handle pull shaft is connected with the handle pull shaft through the pressure spring; the rotor is arranged in the pressure-resistant shell; the upper part and the lower part of the rotor are respectively supported in the pressure-resistant shell through bearings; the rotor fixing ring is fixed at the upper end of the pressure-resistant shell; the cover plate is fixed at the upper end of the rotor; the upper end of the rotor is provided with a mounting hole, the lower end of the handle lifting shaft is arranged in the mounting hole, and the upper end of the handle lifting shaft penetrates through the cover plate and is fixedly connected with the handle; a pressure spring is arranged between the lower end of the hand-held pull shaft and the cover plate; the handle is sleeved on the cover plate and the rotor and is supported on the rotor fixing ring; a meshing structure is arranged between the handle and the cover plate or the rotor; a strong magnet is fixed on the excircle of the rotor; at least one Hall sensor proximity switch is fixed on the outer wall of the pressure-resistant shell; at least one positioning structure is arranged between the rotor fixing ring and the handle, so that the strong magnet is over against one Hall sensor proximity switch. The invention has multiple triggers and high reliability.
Description
Technical Field
The invention belongs to the field of circuit switches, and particularly relates to an induction type underwater switch.
Background
In recent years, with the development of national defense industry and the continuous development of underwater resources, ocean development and reef island underwater defense are made to be development key points by the nation, and frogman troops as special operational forces are subjected to various operations in underwater safety protection and common divers in resource development. When the underwater equipment finishes tasks underwater, the underwater equipment needs various underwater equipment such as positioning, navigation, detection, measurement and the like, and the underwater equipment needs a power switch to control the equipment to be turned on and off and also needs a multifunctional switch to operate the equipment. Compared with a common switch, the deep water switch needs to have better water tightness, and the phenomenon that the circuit of the equipment is short-circuited and burnt out due to water leakage at the switch is prevented. The existing underwater switch has insufficient pressure resistance in different degrees, can be only used in the field of shallow water, has a complex structure and does not have the problem of universal applicability. For example, the underwater switch disclosed in the chinese patent applications 200720173947.8 and 201910030804.9 can be directly operated and used underwater, but the structure is too complex and has no general applicability.
Disclosure of Invention
The invention aims to provide an induction type underwater switch to improve the reliability and maintainability of the underwater switch.
The technical solution for realizing the purpose of the invention is as follows:
an induction type underwater switch comprises a handle, a handle pull shaft, a pressure spring, a cover plate, a rotor fixing ring, a pressure-resistant shell, a rotor, a Hall sensor proximity switch and a strong magnet;
the rotor is arranged in the pressure-resistant shell; the upper part and the lower part of the rotor are respectively supported in the pressure-resistant shell through bearings; the rotor fixing ring is fixed at the upper end of the pressure-resistant shell and used for axially positioning the rotor; the cover plate is fixed at the upper end of the rotor; the upper end of the rotor is provided with a mounting hole, the lower end of the handle lifting shaft is arranged in the mounting hole, and the upper end of the handle lifting shaft penetrates through the cover plate and is fixedly connected with the handle; a pressure spring is arranged between the lower end of the hand-held pull shaft and the cover plate; the handle is sleeved on the cover plate and the rotor and supported on the rotor fixing ring; a meshing structure capable of moving in the vertical direction is arranged between the handle and the cover plate or the rotor; a strong magnet is fixed on the outer circle of the rotor; at least one Hall sensor proximity switch is fixed on the outer wall of the pressure-resistant shell; the strong magnet and the Hall sensor proximity switch are positioned on the same plane; at least one positioning structure is arranged between the rotor fixing ring and the handle; the quantity of location structure is unanimous with hall sensor proximity switch's quantity for when solid fixed ring and handle location, strong magnet just is to one of them hall sensor proximity switch.
Compared with the prior art, the invention has the following remarkable advantages:
(1) The induction type underwater switch disclosed by the invention drives the rotor to rotate through the handle, realizes the triggering of different position sensors, has multiple triggering modes, and can be used underwater or on water.
(2) A positioning structure is arranged between the handle and the rotor fixing ring, so that the accuracy of the induction position of the strong magnet and the sensor on the rotor is ensured when the handle rotates in place.
(3) The switch has an open structure, is simple in structure and is suitable for equipment which is operated complicatedly underwater.
Drawings
Fig. 1 is a schematic diagram of the general appearance of the induction type underwater switch of the invention.
Fig. 2 is a cross-sectional view of an inductive subsea switch of the present invention.
Fig. 3 is a partially enlarged view of fig. 2.
Fig. 4 is a schematic view of the engagement structure between the handle and the rotor.
Fig. 5 is a schematic view showing the use of the pull-up handle switch.
Fig. 6 is a schematic view of the use of the rotary handle switch.
Fig. 7 is a schematic view of the use of the down handle switch.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
With reference to fig. 1 and 2, the induction type underwater switch comprises a handle 1, a handle pull shaft 3, a pressure spring 4, a cover plate 5, a rotor fixing ring 7, a first bearing 9, two seal rings 10, a pressure shell 11, a rotor 13, a hall sensor proximity switch 14, a strong magnet 15 and a second bearing 16;
the rotor 13 is arranged in the pressure-resistant shell 11; the rotor 13 is supported in the pressure casing 11 by a first bearing 9 and a second bearing 16 from top to bottom; the rotor fixing ring 7 is fixed at the upper end of the pressure-resistant shell 11 through a countersunk head screw and is used for axially positioning the first bearing 9 and the rotor 13; the cover plate 5 is fixed at the upper end of the rotor 13 through a countersunk head screw; the upper end of the rotor 13 is provided with a mounting hole, the lower end of the handle lifting pull shaft 3 is arranged in the mounting hole, and the upper end of the handle lifting pull shaft passes through the cover plate 5 and then is fixedly connected with the handle 1 through a countersunk head screw; a pressure spring 4 is arranged between the lower end of the hand-held pull shaft 3 and the cover plate 5; the handle 1 is sleeved on the cover plate 5 and the rotor 13 and supported on the rotor fixing ring 7; a meshing structure 2 capable of moving in the vertical direction is arranged between the handle 1 and the cover plate 5 or the rotor 13; a strong magnet 15 is fixed on the outer circle of the rotor 13; at least one Hall sensor proximity switch 14 is fixed on the outer wall of the pressure-resistant shell 11; the strong magnet 15 and the Hall sensor proximity switch 14 are positioned on the same plane; the upper end of the rotor fixing ring 7 is provided with a plurality of positioning blocks 6; the lower end of the handle 1 is provided with a plurality of positioning grooves matched with the positioning blocks 6; when the positioning groove is matched with the positioning block 6, the strong magnet 15 is over against the Hall sensor approach switch 14. The positioning groove can also be arranged on the rotor fixing ring 7, and the positioning block is arranged on the handle 1. Other positioning structures can be adopted to position the handle 1 and the rotor fixing ring 7, so that the positioning of the strong magnet 15 and the Hall sensor proximity switch 14 is realized.
As an embodiment, referring to fig. 2, a boss 17 is disposed in the center of the pressure housing 11, a second ceramic/stainless steel bearing 16 is mounted on the boss 17, an installation thread 12 is disposed on the outer wall of the pressure housing 11 and connected to an equipment housing 24 through the installation thread 12, and two sealing rings 10 are disposed on the pressure housing 11 and used for sealing with the equipment housing 24. The lowest groove of the rotor 13 is matched with the second ceramic/stainless steel bearing 16 on the pressure shell boss, and the middle part of the rotor is provided with a concave platform which is matched with the first ceramic/stainless steel bearing 9. The rotor 13 is fixed in the pressure housing 11 by the rotor fixing ring 7 for axial positioning. The switch adopts an open waterproof structure, namely, no dynamic sealing structure is arranged between the rotor 13 and the pressure-resistant shell 11, the dynamic sealing structure is an independent structure, water can enter between the rotor 13 and the pressure-resistant shell 11 through a gap, and the waterproof of the equipment is not influenced. And a sponge ring 8 is arranged in a gap between the rotor fixing ring 7, the rotor 13 and the first ceramic/stainless steel shaft 9 so as to isolate impurities in the water body.
The upper side of the rotor 13 and the pressure shell 11 are supported by a first ceramic/stainless steel bearing 9; and the pressure-resistant shell 11 is provided with a rotor fixing ring 7. A Hall sensor proximity switch is installed on the outer wall of the pressure-resistant shell 11, a permanent magnet 15 is installed on the lower portion of the rotor 13 in parallel with the Hall sensor, a vertical meshing structure 2 is arranged between the upper portion of the rotor 13 and the inner side of the handle 1, an installation hole is formed in the top of the rotor, and a cover plate 5 is fixed on the installation hole; the handle pulling shaft 3 penetrates through the cover plate 5 to be fixed with the handle 1, and a pressure spring 4 is arranged between the handle pulling shaft 3 and the cover plate 5. There are a plurality of bellied locating pieces 6 on the solid fixed ring 7 of rotor, the lower extreme of handle 1 is equipped with a plurality of constant head tanks with locating piece 6 complex, and when the constant head tank cooperates with locating piece 6, strong magnet 15 is just to hall sensor proximity switch. The rotor 13 is provided with strong magnets 15 which are parallel to the Hall sensor proximity switches 14, the strong magnets 15 are sealed by epoxy resin glue, and the number of the strong magnets 15 is less than that of the Hall sensor proximity switches 14.
Referring to fig. 3 and 4, the handle 1 and the rotor 13 are in clearance fit, a circle of tooth-shaped structure 19 is arranged on the outer circle of the rotor 13, a circle of tooth-shaped structure 20 is arranged on the inner wall of the handle 1, and the two tooth-shaped structures are meshed with each other to form a meshing structure 2 between the handle 1 and the rotor 13. The handle is lifted, the positioning groove at the lower end of the handle 1 is separated from the positioning block 6 on the fixing ring 7, and when the handle 1 is rotated, the handle 1 can drive the rotor 13 to rotate together.
Referring to fig. 2 and 5, in this embodiment, the external threads 12 on the pressure housing 11 are engaged with the internal threaded holes on the device housing 24, and then locked and fixed from the inside of the device housing by nuts if necessary. Two sealing ring mounting grooves are arranged on the contact surface of the base of the pressure shell 11 and the equipment shell 24 and used for mounting two sealing rings 10. After locking and fixing, the two sealing rings 10 are extruded by the surface of the equipment shell 24 and are opened and closed, so that water or other liquid is prevented from flowing into the equipment along a gap between the base and the equipment shell 24, and the underwater sealing function is realized.
Referring to fig. 5, when the strong magnet 15 using neodymium iron boron or the like is located in the sensing range of one of the hall sensors 22, the hall sensor 22 is turned on, and the other hall sensor 23 is turned off. The handle 1 is lifted to separate the handle 1 from the positioning block 6, the pressure spring 4 is compressed, the handle 1 can rotate at the moment, and as shown in fig. 6, the handle 1 is rotated to enable the powerful magnet 15 to deviate from the sensing range of any hall sensor, so that no hall sensor is conducted. Referring to fig. 7, the handle 1 is put down, the handle 1 is clamped into the positioning block 6, the compression spring 4 is released, and the handle 1 cannot rotate at the moment. At this time, the strong magnet 15 enters the sensing range of the other hall sensor 23, the other hall sensor 23 is turned on, and one hall sensor 22 is turned off.
Claims (7)
1. An induction type underwater switch is characterized by comprising a handle (1), a handle lifting shaft (3), a pressure spring (4), a cover plate (5), a rotor fixing ring (7), a pressure-resistant shell (11), a rotor (13), a Hall sensor proximity switch (14) and a strong magnet (15);
the rotor (13) is arranged in the pressure-resistant shell (11); the upper part and the lower part of the rotor (13) are respectively supported in the pressure shell (11) through bearings; the rotor fixing ring (7) is fixed at the upper end of the pressure-resistant shell (11) and used for axially positioning the rotor (13); the cover plate (5) is fixed at the upper end of the rotor (13); the upper end of the rotor (13) is provided with a mounting hole, the lower end of the handle pull shaft (3) is arranged in the mounting hole, and the upper end of the handle pull shaft penetrates through the cover plate (5) and then is fixedly connected with the handle (1); a pressure spring (4) is arranged between the hand-held pull shaft (3) and the cover plate (5); the handle (1) is sleeved on the cover plate (5) and the rotor (13) and supported on the rotor fixing ring (7); a meshing structure (2) capable of moving in the vertical direction is arranged between the handle (1) and the cover plate (5) or the rotor (13); a strong magnet (15) is fixed on the excircle of the rotor (13); at least one Hall sensor proximity switch (14) is fixed on the outer wall of the pressure-resistant shell (11); the strong magnet (15) and the Hall sensor proximity switch (14) are positioned on the same plane; at least one positioning structure is arranged between the rotor fixing ring (7) and the handle (1); the number of the positioning structures is consistent with that of the Hall sensor proximity switches (14), so that when the fixing ring (7) and the handle (1) are positioned, the strong magnet (15) is over against one of the Hall sensor proximity switches (14).
2. The inductive subsea switch according to claim 1, characterized in that the rotor securing ring (7) is provided with at least one positioning block (6) at its upper end; the lower end of the handle (1) is provided with a positioning groove corresponding to the positioning block (6); the positioning block (6) and the positioning groove form a positioning structure between the rotor fixing ring (7) and the handle (1).
3. The inductive subsea switch according to claim 1, characterized in that a filter ring (8) is arranged between the rotor (13) and the rotor fixing ring (7) on the upper side of the rotor (13).
4. The inductive subsea switch according to claim 1, characterized in that the filter ring (8) is a sponge ring.
5. The inductive subsea switch of claim 1, wherein the bearing material is ceramic or stainless steel.
6. The inductive subsea switch according to claim 1, characterized in that a ring of tooth structures (19) is arranged on the outer circumference of the rotor (13), a ring of tooth structures (20) is arranged on the inner wall of the handle (1), and the two tooth structures are meshed with each other to form the meshing structure (2) between the handle (1) and the rotor (13).
7. The inductive subsea switch according to claim 1, characterized in that the outer wall of the pressure housing (11) is provided with mounting threads (12) for connection to an equipment housing (24); the outer wall of the pressure-resistant shell (11) is provided with a sealing ring mounting groove, a sealing ring (10) is arranged in the sealing ring mounting groove and is attached to the equipment shell (24) for sealing between the pressure-resistant shell (11) and the equipment shell (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911213642.9A CN111030665B (en) | 2019-12-02 | 2019-12-02 | Induction type underwater switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911213642.9A CN111030665B (en) | 2019-12-02 | 2019-12-02 | Induction type underwater switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111030665A CN111030665A (en) | 2020-04-17 |
| CN111030665B true CN111030665B (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911213642.9A Active CN111030665B (en) | 2019-12-02 | 2019-12-02 | Induction type underwater switch |
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| Country | Link |
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| CN (1) | CN111030665B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112967894B (en) * | 2021-01-25 | 2024-04-09 | 重庆川仪自动化股份有限公司 | Limit switch's induction system and induction type limit switch |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007030705B3 (en) * | 2007-07-02 | 2009-02-05 | Continental Automotive Gmbh | Proximity switch, has ring and circular shaped permanent magnets coaxially arranged with each other at distance, and sensor fixedly arranged at distance between magnets in zero point region of magnetic induction of one of magnets |
| CN103017797A (en) * | 2011-09-23 | 2013-04-03 | 联创汽车电子有限公司 | Non-contact throttle position sensor |
| CN103673871A (en) * | 2013-12-17 | 2014-03-26 | 哈姆林电子(苏州)有限公司 | Angle sensor |
| CN206291915U (en) * | 2016-12-02 | 2017-06-30 | 北京时代民芯科技有限公司 | A kind of encoder of Hall-type |
| CN208836103U (en) * | 2018-08-17 | 2019-05-07 | 天津深之蓝海洋设备科技有限公司 | A kind of Hall switch and underwater boost motor |
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2019
- 2019-12-02 CN CN201911213642.9A patent/CN111030665B/en active Active
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Address after: 222061 No.18, Shenghu Road, Lianyungang City, Jiangsu Province Applicant after: The 716th Research Institute of China Shipbuilding Corp. Address before: 222061 No.18, Shenghu Road, Lianyungang City, Jiangsu Province Applicant before: 716TH RESEARCH INSTITUTE OF CHINA SHIPBUILDING INDUSTRY Corp. |
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