CN109798952A - A kind of closed type liquid level sensor - Google Patents
A kind of closed type liquid level sensor Download PDFInfo
- Publication number
- CN109798952A CN109798952A CN201910238294.4A CN201910238294A CN109798952A CN 109798952 A CN109798952 A CN 109798952A CN 201910238294 A CN201910238294 A CN 201910238294A CN 109798952 A CN109798952 A CN 109798952A
- Authority
- CN
- China
- Prior art keywords
- wall
- rocker arm
- fixedly connected
- strong magnetic
- seal casinghousing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The present invention relates to sensor technical fields, and disclose a kind of closed type liquid level sensor.The closed type liquid level sensor, including seal casinghousing, sealing cover, rocker arm, the first conductive strong magnetic and the second conductive strong magnetic, it is fixedly connected at the top of the seal casinghousing with the bottom of sealing cover, the top of the rocker arm and the bottom of seal casinghousing overlap, what the outer wall of the outer wall of the described first conductive strong magnetic and the second conductive magnetic by force made to attract each other.The closed type liquid level sensor, during installation, potsherd is placed on to the inside of seal casinghousing, ceramic resistor chip is fixedly mounted on potsherd, first conductive strong magnetic is placed on ceramic resistor chip to be pushed down with magnet guide groove, and it is fixed on partition on the track of ceramic resistor chip, sealing cover is fixedly mounted on seal casinghousing, realize sealing, in the second conductive strong magnetic square groove that second conductive strong magnetic square groove is placed on rocker arm, rocker arm is fixedly installed togather with the rocker arm bracket being arranged on seal casinghousing by setting rotation axis.
Description
Technical field
The present invention relates to sensor technical field, specially a kind of closed type liquid level sensor.
Background technique
Currently, the electrode type liquid level sensor being commercialized both at home and abroad is acyclic type, and when for multi-stage liquid level measurement, every survey
An electrode must be installed by measuring a liquid level, the disadvantage is that structure is complicated, installation and debugging trouble, under high pressure or vacuum environment,
Since mounting hole is more, it is easily destroyed the leakproofness of system under test (SUT).The effect of resistance change when the present invention utilizes liquid level difference, system
At a kind of New Liquid Level Transducer that only can but reflect a variety of liquid level variations with a root canal type electrode and a lead-out wire, it is without fortune
Dynamic component, long service life, good airproof performance is corrosion-resistant, to test environment without strict demand, has wide range of applications.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of closed type liquid level sensor, have that structure is simple, sealing
Property it is good, resistor disc is isolated with liquid, oxidation will not be generated, secondly because magnetic cylinder is that contact with resistor disc conductor be to roll
Dynamic form, pressure size is uniform, so that the advantages that substantially increasing the service life of liquid level sensor, solves leakproofness not
Good, ceramic resistor chip is directly contacted with liquid, liquid level sensor by liquid impurity pollution the problem of.
The technical solution adopted by the present invention to solve the technical problems is: a kind of closed type liquid level sensor, including sealing
Shell, sealing cover and rocker arm, the seal casinghousing top are fixedly connected with the bottom of sealing cover, the top of the rocker arm and sealing
The bottom of shell overlaps.
The inside of the seal casinghousing include magnet guide groove, potsherd, the first conductive strong magnetic, ceramic resistor chip, every
The outer wall of plate, rocker arm bracket, support column and fixing seat, the magnet guide groove is fixedly connected with the inner wall of seal casinghousing, potsherd
Outer wall be fixedly connected with the inner wall of seal casinghousing, the outer wall of the first conductive strong magnetic and the outer wall of ceramic resistor chip slide
It connects, is fixedly connected at the top of the outer wall and potsherd of the ceramic resistor chip, the outer wall and magnet guide groove of the partition
Outer wall be fixedly connected, the outer wall of the rocker arm bracket is fixedly connected with the outer wall of seal casinghousing, the top of the support column and magnetic
The bottom of iron guide groove is fixedly connected, and the outer wall of the fixing seat is fixedly connected with the outer wall of seal casinghousing.
The inside of the rocker arm includes the second conduction magnetic, the second conductive strong magnetic square groove, rotation axis, circular hole and slot by force, described
The outer wall of second conductive strong magnetic is fixedly connected with the inner wall of the second conductive strong magnetic square groove, and the described second conductive strong magnetic square groove, which is located at, to be shaken
It opens up at the top of arm, is fixedly connected at the top of the bottom of the rotation axis and rocker arm, the surface that the circular hole is located at rotation axis is opened
If the slot position is opened up in the bottom of rocker arm.
Further, the bottom of the sealing cover is provided with boss, the fixed company in bottom at the boss top and sealing cover
It connects, the sealing cover passes through the boss being disposed thereon and is fixedly connected with seal casinghousing.
Further, the described first conductive strong outer wall of magnetic and the outer wall of partition are slidably connected.
Further, the top of the magnet guide groove is fixedly connected with the outer wall of boss, the bottom of the magnet guide groove
It is fixedly connected at the top of portion and potsherd.
Further, the inner wall rotation connection of the outer wall and rocker arm bracket of the rotation axis, the rocker arm is by being arranged at it
On rotation axis be fixedly connected with rocker arm bracket, the seal casinghousing passes through the rocker arm bracket that is disposed thereon and is fixedly connected with rocker arm.
Further, the outer wall of the outer wall of the described first conductive strong magnetic and the second conductive strong magnetic attracts each other.
The beneficial effects of the present invention are:
1, the closed type liquid level sensor is being the used time, is moved, is passed through in magnet guide groove by the first conductive strong magnetic
Partition is set by the first conductive strong magnetic baffle, is that the first conductive strong magnetic is conductive strong along ceramic resistor chip orbit rotation, first
There is same sex face to attract each other for magnetic and the second conductive strong magnetic itself, be that rocker arm can pass through along ceramic resistor chip orbit rotation
Seal casinghousing being set and with seal cap sealing, will not directly be contacted with liquid to can solve ceramic resistor chip, such liquid level
Sensor is not by the pollution of liquid impurity, while the magnet in plastic casing and resistor disc surface are to be in rolling contact, so greatly
Reduce mutual friction, thus be resistor disc friction durability is multiplied, abrasion resistance is from original requirement ten thousand times
It is added above to ten thousand times or more, be to be greatly improved with the service life.
2, potsherd is placed on the inside of seal casinghousing during installation by the closed type liquid level sensor, by ceramic resistor
Chip is fixedly mounted on potsherd, and the first conductive strong magnetic is placed on ceramic resistor chip, is pushed down with magnet guide groove, and
It is fixed on partition on the track of ceramic resistor chip, sealing cover is fixedly mounted on seal casinghousing, sealing is realized, by second
Conductive strong magnetic square groove is placed in the on rocker arm second conductive strong magnetic square groove, is being sealed rocker arm and setting by setting rotation axis
Rocker arm bracket on shell is fixedly installed togather.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, embodiment will be described below
In or in the prior art required for be attached drawing be briefly described.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the main view of magnet guide groove in Fig. 1 of the present invention；
Fig. 3 is the main view of potsherd in Fig. 1 of the present invention；
Fig. 4 is the main view of rocker arm in Fig. 1 of the present invention.
Description of symbols: 1 seal casinghousing, 2 sealing covers, 3 magnet guide grooves, 4 potsherds, 5 rocker arms, 6 first conductions are strong
Magnetic, 7 second conductive strong magnetic, 8 ceramic resistor chips, 9 partitions, 10 rocker arm brackets, 11 second conductive strong magnetic square grooves, 12 rotation axis, 13
Support column, 14 circular holes, 15 slots, 16 boss, 17 fixing seats.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
Fig. 1-4, a kind of closed type liquid level sensor, including seal casinghousing 1, sealing cover 2 and Rocker arm 5 are please referred to, in this reality
It applies in example, 1 top of seal casinghousing is fixedly connected with the bottom of sealing cover 2, it is sealed by setting seal casinghousing 1 and with sealing cover 2,
It will not directly be contacted with liquid to can solve ceramic resistor chip 8, such liquid level sensor by the pollution of liquid impurity, does not shake
The top of arm 5 and the bottom of seal casinghousing 1 overlap.
The inside of seal casinghousing 1 include magnet guide groove 3, the conductive strong magnetic 6 of potsherd 4, first, ceramic resistor chip 8, every
The outer wall of plate 9, rocker arm bracket 10, support column 13 and fixing seat 17, magnet guide groove 3 is fixedly connected with the inner wall of seal casinghousing 1, pottery
The outer wall of tile 4 is fixedly connected with the inner wall of seal casinghousing 1, the outer wall of the first conductive strong magnetic 6 and the outer wall of ceramic resistor chip 8
It is slidably connected, the outer wall of ceramic resistor chip 8 is fixedly connected with the top of potsherd 4, the outer wall and magnet guide groove 3 of partition 9
Outer wall be fixedly connected, the outer wall of rocker arm bracket 10 is fixedly connected with the outer wall of seal casinghousing 1, and top and the magnet of support column 13 are led
It is fixedly connected to the bottom of slot 3, the outer wall of fixing seat 17 is fixedly connected with the outer wall of seal casinghousing 1.
The inside of Rocker arm 5 includes the second conductive strong magnetic 7, second conductive magnetic square groove 11, rotation axis 12, circular hole 14 and slot by force
15, the outer wall of the second conductive strong magnetic 7 is fixedly connected with the inner wall of the second conductive strong magnetic square groove 11, the second conductive strong magnetic square groove 11
It opens up at the top of Rocker arm 5, is fixedly connected at the top of the bottom of rotation axis 12 and Rocker arm 5, circular hole 14 is located at the table of rotation axis 12
Face opens up, and the bottom that slot 15 is located at Rocker arm 5 opens up.
The bottom of sealing cover 2 is provided with boss 16, and 16 top of boss is fixedly connected with the bottom of sealing cover 2, and sealing cover 2 is logical
The boss 16 being disposed thereon is crossed to be fixedly connected with seal casinghousing 1.
Wherein, the outer wall of the outer wall and partition 9 of the first conductive strong magnetic 6 is slidably connected, by placing the first conductive strong magnetic 6
It is that the first conductive strong magnetic 6 slides on ceramic resistor chip 8 for 6 one guiding roles of a conductive strong magnetic between partition 9.
Wherein, the top of magnet guide groove 3 is fixedly connected with the outer wall of boss 16, close in order to make by being provided with boss 16
Capsule body 1 and the connection of sealing cover 2 more seal, and the bottom of magnet guide groove 3 is fixedly connected with the top of potsherd 4.
The outer wall of rotation axis 12 and the inner wall of rocker arm bracket 10 are rotatablely connected, and Rocker arm 5 passes through the rotation axis 12 being disposed thereon
It is fixedly connected with rocker arm bracket 10, seal casinghousing 1 passes through the rocker arm bracket 10 being disposed thereon and is fixedly connected with Rocker arm 5.
Wherein, the outer wall of the outer wall of the first conductive strong magnetic 6 and the second conductive strong magnetic 7 attracts each other, and first is conductive strong
There is same sex face to attract each other for magnetic 6 and the second conductive strong magnetic 7 itself, be that Rocker arm 5 can be along 8 orbit rotation of ceramic resistor chip.
It is being the used time, is being moved in magnet guide groove 3 by the first conductive strong magnetic 6, it is conductive by first by setting partition 9
6 baffle of strong magnetic is the first conductive strong magnetic 6 along 8 orbit rotation of ceramic resistor chip, and the first conductive strong magnetic 6 and second is conductive strong
There is magnetic 7 itself same sex face to attract each other, and be that Rocker arm 5 can be along 8 orbit rotation of ceramic resistor chip, by the way that seal casinghousing is arranged
1 and with sealing cover 2 seal, will not directly be contacted with liquid to can solve ceramic resistor chip 8, such liquid level sensor not by
The pollution of liquid impurity, while the magnet in plastic casing and resistor disc surface are to be in rolling contact, and are greatly reduced so mutually
Between friction, thus be resistor disc friction durability is multiplied, abrasion resistance is added above from original requirement 1,000,000 times
It to 5,000,000 times or more, is greatly improved with the service life.
The foregoing description of the disclosed embodiments, be professional and technical personnel in the field can be realized or with the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (6)
1. a kind of closed type liquid level sensor, including seal casinghousing (1), sealing cover (2) and rocker arm (5), it is characterised in that: described
It is fixedly connected at the top of seal casinghousing (1) with the bottom of sealing cover (2), the top of the rocker arm (5) and the bottom of seal casinghousing (1)
Overlap joint；
The inside of the seal casinghousing (1) includes magnet guide groove (3), potsherd (4), the first conductive strong magnetic (6), ceramic resistor
Chip (8), partition (9), rocker arm bracket (10), support column (13) and fixing seat (17), the outer wall of the magnet guide groove (3) with it is close
The inner wall of capsule body (1) is fixedly connected, and the outer wall of potsherd (4) is fixedly connected with the inner wall of seal casinghousing (1), and described first leads
The outer wall of the outer wall and ceramic resistor chip (8) of electric strong magnetic (6) is slidably connected, the outer wall and pottery of the ceramic resistor chip (8)
Tile is fixedly connected at the top of (4), and the outer wall of the partition (9) is fixedly connected with the outer wall of magnet guide groove (3), the rocker arm
The outer wall of seat (10) is fixedly connected with the outer wall of seal casinghousing (1), top and magnet guide groove (3) of the support column (13)
Bottom is fixedly connected, and the outer wall of the fixing seat (17) is fixedly connected with the outer wall of seal casinghousing (1)；
The inside of the rocker arm (5) includes the second conductive strong magnetic (7), the second conductive strong magnetic square groove (11), rotation axis (12), circular hole
(14) it is fixedly connected with slot (15), the outer wall of the described second conductive strong magnetic (7) with the inner wall of the second conductive strong magnetic square groove (11), institute
It states the second conductive strong magnetic square groove (11) and is located at the top of rocker arm (5) and open up, the bottom of the rotation axis (12) and the top of rocker arm (5)
Portion is fixedly connected, and the surface that the circular hole (14) is located at rotation axis (12) opens up, and the bottom that the slot (15) is located at rocker arm (5) is opened
If.
2. a kind of closed type liquid level sensor according to claim 1, it is characterised in that: the bottom of the sealing cover (2)
It is provided with boss (16), is fixedly connected at the top of the boss (16) with the bottom of sealing cover (2), the sealing cover (2) is by setting
The boss (16) set on it is fixedly connected with seal casinghousing (1).
3. a kind of closed type liquid level sensor according to claim 1, it is characterised in that: the described first conductive strong magnetic (6)
The outer wall of outer wall and partition (9) be slidably connected.
4. a kind of closed type liquid level sensor according to claim 1, it is characterised in that: the magnet guide groove (3)
Top is fixedly connected with the outer wall of boss (16), the fixed company in the bottom of the magnet guide groove (3) and the top of potsherd (4)
It connects.
5. a kind of closed type liquid level sensor according to claim 1, it is characterised in that: the outer wall of the rotation axis (12)
It is rotatablely connected with the inner wall of rocker arm bracket (10), the rocker arm (5) passes through the rotation axis (12) being disposed thereon and rocker arm bracket (10)
It is fixedly connected, the seal casinghousing (1) passes through the rocker arm bracket (10) being disposed thereon and is fixedly connected with rocker arm (5).
6. a kind of closed type liquid level sensor according to claim 1, it is characterised in that: the described first conductive strong magnetic (6)
Outer wall and the outer wall of the second conductive strong magnetic (7) make to attract each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910238294.4A CN109798952A (en) | 2019-03-27 | 2019-03-27 | A kind of closed type liquid level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910238294.4A CN109798952A (en) | 2019-03-27 | 2019-03-27 | A kind of closed type liquid level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109798952A true CN109798952A (en) | 2019-05-24 |
Family
ID=66564136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910238294.4A Pending CN109798952A (en) | 2019-03-27 | 2019-03-27 | A kind of closed type liquid level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109798952A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203798419U (en) * | 2013-12-10 | 2014-08-27 | 大陆汽车电子(芜湖)有限公司 | Liquid level sensor |
| CN204228232U (en) * | 2014-10-27 | 2015-03-25 | 倪忠 | Automobile oil level sensor |
| CN105737947A (en) * | 2016-02-29 | 2016-07-06 | 广东工业大学 | Magnetic drive type liquid level detecting device |
-
2019
- 2019-03-27 CN CN201910238294.4A patent/CN109798952A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203798419U (en) * | 2013-12-10 | 2014-08-27 | 大陆汽车电子(芜湖)有限公司 | Liquid level sensor |
| CN204228232U (en) * | 2014-10-27 | 2015-03-25 | 倪忠 | Automobile oil level sensor |
| CN105737947A (en) * | 2016-02-29 | 2016-07-06 | 广东工业大学 | Magnetic drive type liquid level detecting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9964427B2 (en) | Liquid level sensor system | |
| CN104897334A (en) | MEMS (Micro-electromechanical Systems) pressure sensing element | |
| CN107806903B (en) | A kind of sealing ring wearability and leakproofness automatic tester | |
| CN109798952A (en) | A kind of closed type liquid level sensor | |
| JP2018534748A (en) | Omnidirectional position detection magnetic sensor | |
| CN213090999U (en) | Fixing support for high-precision temperature measurement type temperature sensor | |
| CN202511903U (en) | Permanent magnetic adsorption type shell | |
| CN202515458U (en) | Steam valve leak protection dress structure | |
| CN208416269U (en) | A kind of exclusion seal structure for electronic strut | |
| CN205642678U (en) | Multi -seal type pressure sensor | |
| CN214585615U (en) | Probe structure is inhaled to magnetism | |
| CN204027658U (en) | Kitchen appliance | |
| JP2018536271A (en) | Position detection magnetic sensor for automatic control | |
| CN216279572U (en) | Air exhaust check valve | |
| CN208804728U (en) | Cooking stove water proof type temperature measurement structure | |
| CN103424156A (en) | Semi-closed sensor | |
| JPS62201324A (en) | Liquid level detector | |
| CN208595935U (en) | A kind of moisture-proof electromagnetic flowmeter | |
| CN208734864U (en) | A kind of wire spring type pressing plate for sealing set | |
| CN209661379U (en) | Pot cover component and cooking apparatus | |
| CN201956181U (en) | Sealing device of oil chamber contact system of load tapping switch | |
| CN105737947A (en) | Magnetic drive type liquid level detecting device | |
| CN220288557U (en) | Immersion-proof contact positioning sensor | |
| CN201344824Y (en) | Magnetic attracting fuel level sensor | |
| CN214952003U (en) | Airtightness detection equipment for high-temperature rotary valve test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190524 |