CN206161101U - Input type liquid level changer - Google Patents
Input type liquid level changer Download PDFInfo
- Publication number
- CN206161101U CN206161101U CN201621241409.3U CN201621241409U CN206161101U CN 206161101 U CN206161101 U CN 206161101U CN 201621241409 U CN201621241409 U CN 201621241409U CN 206161101 U CN206161101 U CN 206161101U
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- Prior art keywords
- type
- air guide
- throw
- joint
- submerged
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Abstract
The utility model provides an input type liquid level changer, includes the body and installs at inside liquid level detection device and the air guide cable of body cavity, the body rear end is installed dive type tail and is connected, dive type tail connects the inside hole that is provided with, air guide installation of cable is in hole department, between connecting, air guide cable and dive type tail be provided with the sealing member, between connecting, sealing member and dive type tail pass through threaded connection, between connecting, sealing member and dive type tail still be provided with the packing element that is used for compressing tightly the air guide cable. The utility model discloses simple structure, packaging structure adopts the quadruple water -proof design to drop into can effectively prevent liquid when liquid level measurement is carried out to the liquid bottom in solid particle to sensing element's impact and harm.
Description
Technical field
The utility model is related to transmitter, and in particular to a kind of throw-in type liquid transmitter.
Background technology
Fluid level transmitter is the linear principle of the pressure according to produced by the liquid of different specific weight is in differing heights, real
Now to water, the volume of oil and pastel, high liquid, the accurate measurement of weight and transmission.Therefore fluid level transmitter Jing is commonly used for peace
The liquid level being mounted in container bottom measurement container；This container bottom mounting means needs the bottom opening in container, increased
Certain workload, also the overall sealing performance to container leave hidden danger, and be cannot to carry out bottom peace in some occasions
Dress, such as measure well water depth, the water level of measurement rivers and lakes, measurement tide sea level fluctuationses.Can only be by liquid under such environment
Position transmitter direct plunges into liquid and measures, and the waterproofing design of throw-in type liquid transmitter in the prior art is all more general
Logical, when to put into the liquid with certain depth, liquid level is deeper, and pressure is bigger, if the waterproof effect of transmitter is not good,
Liquid can be caused to be pressed into inside transmitter, the situation that circuit board is burned occur；In the prior art, atmospheric pressure passes through air guide
Wireway in cable introduces sensor, but wireway can have the phenomenon of moisture entrance, is affecting sensor and circuit board just
Often work.Simultaneously fraction solids particle is there is likely to be in liquid, solid particle can have infringement to sensing element, it is therefore desirable to
Protection work to throw-in type liquid transmitter is further studied.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model aims to provide a kind of throw-in type liquid that more can be waterproof and dampproof
Position transmitter.
For achieving the above object, the utility model is adopted the following technical scheme that：
A kind of throw-in type liquid transmitter, including body and the liquid level detection device and air guide for being arranged on body cavity inside
Cable；The body rear end is provided with submerged type tail joint, and the submerged type tail joint is internally provided with endoporus, the air guide electricity
Cable is arranged at endoporus；Seal, the seal and submerged type are provided between the air guide cable and submerged type tail joint
It is threaded connection between tail joint；It is additionally provided between the seal and submerged type tail joint for compressing air guide cable
Packing element；By screwing hermetic part, extruding packing element deformation, packing element compresses air guide cable after deformation, and with submerged type tail joint sealing,
Waterproof construction is constituted together.
It is provided with as the junction of a kind of optimization of the present utility model, the air guide cable outer layer and seal end face
Antiexplosion adhesive, plays waterproof action.
Used as a kind of optimization of the present utility model, the submerged type tail joint rear end is set to laciniation, described latent
Water type tail joint rear end is also equipped with heat-shrink tube containing glue, prevents liquid from entering in pipe.
Used as a kind of optimization of the present utility model, the liquid level detection device includes circuit board, the circuit board and pipe
Gap is fixedly connected and existed between body, and external atmosphere pressure is acted on pressure sensor by the gap that circuit board is reserved, real
Gauge pressure measurement under current atmospheric pressure environment now；Connected by wire between the circuit board and air guide cable, to detecting
Data processed.
Used as a kind of optimization of the present utility model, the liquid level detection device also includes pressure sensor, the pressure
Signal communication between sensor and circuit board, realizes the measurement of liquid level.
Used as a kind of optimization of the present utility model, the body front end is provided with diving type joint and submerged type protective cap,
Connected by nut between the diving type joint and submerged type protective cap, the diving type joint is provided with water inlet pipe, effectively
Prevent impact and infringement of the solid particle to sensing element in liquid.
Used as a kind of optimization of the present utility model, the submerged type protective cap side offers tracting pressuring hole, the tracting pressuring hole
It is connected with the water inlet pipe of diving type joint, plays a part of to buffer and filter.
As a kind of optimization of the present utility model, adopt between the diving type joint and pressure sensor and be welded to connect,
Waterproof action is played in sealing.
As a kind of optimization of the present utility model, it is provided between the diving type joint and circuit board for fixed double
Surface glue ring and insulation sleeve, effectively prevent liquid from entering inside transmitter.
As a kind of optimization of the present utility model, the moistureproof post for being fixedly mounted on air guide cable tail end is also included, it is described
Molecular sieve is also equipped with inside moistureproof post, for preventing moisture from entering in air guide cable.
The beneficial effects of the utility model are：
The utility model tubular body is provided with quadruple waterproofing design, and barrier propterty is high；While pressure sensor front end
Submerged type protective cap is configured with, impact and infringement of the solid particle to sensing element in liquid is effectively prevented；In wireway tail end
Moistureproof post and molecular sieve are configured with, prevent moisture from entering, protect pressure sensor and circuit board not to be affected and infringement by moisture.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Reference：1st, diving type joint；2nd, submerged type protective cap；3rd, pressure sensor；4th, insulation sleeve；5th, double faced adhesive tape
Circle；6th, circuit board；7th, body；8th, antiexplosion adhesive；9th, seal；10th, submerged type tail joint；11st, packing element；12nd, heat-shrink tube containing glue；
13rd, air guide cable；14th, moistureproof post；15th, molecular sieve；16th, wireway.
Specific embodiment
Below, with reference to accompanying drawing and specific embodiment, the utility model is described further：
As shown in figure 1, a kind of throw-in type liquid transmitter, including body 7 and the liquid level inspection for being arranged on the cavity inside of body 7
Survey device and air guide cable 13；The liquid level detection device includes pressure sensor 3, and the pressure sensor 3 is set to diffusion
Silicon formula pressure sensor 3, signal communication between the pressure sensor 3 and circuit board 6 realizes the measurement of liquid level.The liquid level
Detection means also includes circuit board 6, and gap is fixedly connected and existed between the circuit board 6 and body 7, and external atmosphere pressure is led to
The reserved gap of oversampling circuit plate 6 is acted on pressure sensor 3, realizes the gauge pressure measurement under current atmospheric pressure environment；It is described
It is provided with for fixed two-sided cushion rubber 5 and insulation sleeve 4 between diving type joint 1 and circuit board 6, effectively prevents liquid from entering and become
Send inside device.Connected by wire between the circuit board 6 and air guide cable 13, the data to detecting are processed.Body 7
Both sides respectively with diving type joint 1 and submerged type tail joint 10 adopt argon arc welding, play a part of connection and main body encapsulation.
Wherein the throw-in type liquid transmitter also includes the moistureproof post 14 for being fixedly mounted on the tail end of air guide cable 13, the moistureproof post 14
Inside is also equipped with molecular sieve 15, for preventing moisture from entering in air guide cable 13.Moistureproof post 14 is sleeved on the tail of air guide cable 13
On the wireway 16 at end, and fixed with epoxide-resin glue, prevent moisture from entering, protect pressure sensor 3 and circuit board 6 not to make moist
The impact and infringement of gas.
The front end of the body 7 is provided with diving type joint 1 and submerged type protective cap 2, the diving type joint 1 and submerged type
Connected by nut between protective cap 2, the diving type joint 1 is provided with water inlet pipe, effectively prevents solid particle pair in liquid
The impact and infringement of sensing element.The side of submerged type protective cap 2 offers tracting pressuring hole, the tracting pressuring hole and diving type joint
1 water inlet pipe is connected, and by the measuring diaphragm of liquid guide flow to diffusion silicon formula pressure sensor 3, plays buffering and the work for filtering
With, it is to avoid the solid particle in liquid and liquid causes frontal impact and infringement to sensor measuring diaphragm.The submerged type connects
Argon arc welding is adopted between 1 and pressure sensor 3, without seal 9, compressive resistance is high, and good sealing effect effectively prevents liquid
Short circuit, corrosion etc. is caused to damage in the inside for penetrating into throw-in type liquid transmitter.It is herein first waterproof construction, enters after welding
Row leak detection test.
The rear end of the body 7 is provided with submerged type tail joint 10, and the submerged type tail joint 10 is internally provided with endoporus, institute
State air guide cable 13 to be arranged at endoporus；Seal 9 is provided between the air guide cable 13 and submerged type tail joint 10, it is described
It is threaded connection between seal 9 and submerged type tail joint 10；Also set up between the seal 9 and submerged type tail joint 10
There is the packing element 11 for compressing air guide cable 13；Seal 9 is threaded connection with submerged type tail joint 10, and packing element 11 is placed in close
Between sealing 9 and submerged type tail joint 10, screwing hermetic part 9, extruding packing element 11 deforms, and the packing element 11 after deformation compresses air guide electricity
Cable 13, and seal with submerged type tail joint 10, second waterproof construction is constituted together.
The junction of the outer layer of air guide cable 13 and the end face of seal 9 is provided with antiexplosion adhesive 8, the embedding of antiexplosion adhesive 8 in
The junction of the crust of air guide cable 13 and the end face of seal 9, the deformation retract of heat-shrink tube containing glue 12, with submerged type submerged type tail joint
10 laciniation is combined closely, and antiexplosion adhesive 8 strengthens the fixation to cable after solidifying, and water resistance is enhanced again, and this is
3rd waterproof construction.
The rear end of submerged type tail joint 10 is set to laciniation, and the rear end of submerged type tail joint 10 is also equipped with
Heat-shrink tube containing glue 12, prevents liquid from entering in pipe.The rear end of submerged type tail joint 10 is provided with laciniation, heat-shrink tube containing glue 12
It is sleeved on these laciniations, is heated by heat gun, the deformation retract of heat-shrink tube containing glue 12, good fit is in submerged type tail
On the laciniation of joint 10, the glue and laciniation in heat-shrink tube containing glue 12 is relied on, both combine closely, composition the
Four waterproof constructions.
Liquid is applied to the measuring diaphragm of diffusion silicon formula pressure sensor 3 by the tracting pressuring hole of the side of submerged type protective cap 2
On, pressure sensor 3 senses pressure and exports small electrical signals corresponding with height of liquid level, and by wire circuit board is passed to
6, circuit board 6 will be converted to after the small electrical signals for receiving amplification, compensation and be available for control system accepted standard signal, standard
Signal is outwardly transmitted by air guide cable 13.The utility model body 7 is internally provided with quadruple waterproofing design, throw-in type liquid level
Transmitter degree of protection IP68, can direct plunge into liquid of the height within 500 meters carries out accurate level gauging, protective
Can be high；Simultaneously the front-end configuration of pressure sensor 3 has submerged type protective cap 2, effectively prevents solid particle in liquid first to sensitivity
The impact and infringement of part；Moistureproof post 14 and molecular sieve 15 are configured with the tail end of wireway 16, prevent moisture from entering, protection pressure is passed
Sensor 3 and circuit board 6 are not affected and infringement by moisture.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection of the utility model claim
Within the scope of.
Claims (10)
1. a kind of throw-in type liquid transmitter, it is characterised in that including body and the level sensing for being arranged on body cavity inside
Device and air guide cable；The body rear end is provided with submerged type tail joint, and the submerged type tail joint is internally provided with endoporus,
The air guide cable is arranged at endoporus；Seal, the sealing are provided between the air guide cable and submerged type tail joint
It is threaded connection between part and submerged type tail joint；It is additionally provided with for compressing between the seal and submerged type tail joint
The packing element of air guide cable.
2. throw-in type liquid transmitter according to claim 1, it is characterised in that the air guide cable outer layer and seal
The junction of end face is provided with antiexplosion adhesive.
3. throw-in type liquid transmitter according to claim 1, it is characterised in that the submerged type tail joint rear end is arranged
For laciniation, the submerged type tail joint rear end is also equipped with heat-shrink tube containing glue.
4. throw-in type liquid transmitter according to claim 1, it is characterised in that the liquid level detection device includes electricity
Road plate, is fixedly connected and exists gap between the circuit board and body；Pass through wire between the circuit board and air guide cable
Connection.
5. throw-in type liquid transmitter according to claim 4, it is characterised in that the liquid level detection device is also included
Pressure sensor, signal communication between the pressure sensor and circuit board.
6. throw-in type liquid transmitter according to claim 1, it is characterised in that the body front end is provided with submerged type
Joint and submerged type protective cap, are connected between the diving type joint and submerged type protective cap by nut, and the submerged type connects
Head is provided with water inlet pipe.
7. throw-in type liquid transmitter according to claim 6, it is characterised in that the submerged type protective cap side opens up
There is tracting pressuring hole, the tracting pressuring hole is connected with the water inlet pipe of diving type joint.
8. the throw-in type liquid transmitter according to claim 5 or 6, it is characterised in that the diving type joint and pressure
Adopt between sensor and be welded to connect.
9. the throw-in type liquid transmitter according to claim 4 or 6, it is characterised in that the diving type joint and circuit
It is provided between plate for fixed two-sided cushion rubber and insulation sleeve.
10. throw-in type liquid transmitter according to claim 1, it is characterised in that also include and be fixedly mounted on air guide
The moistureproof post of cable tail end, inside the moistureproof post molecular sieve is also equipped with, for preventing moisture from entering in air guide cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621241409.3U CN206161101U (en) | 2016-11-18 | 2016-11-18 | Input type liquid level changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621241409.3U CN206161101U (en) | 2016-11-18 | 2016-11-18 | Input type liquid level changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206161101U true CN206161101U (en) | 2017-05-10 |
Family
ID=58660403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621241409.3U Expired - Fee Related CN206161101U (en) | 2016-11-18 | 2016-11-18 | Input type liquid level changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206161101U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109239164A (en) * | 2018-08-01 | 2019-01-18 | 南京艾伊科技有限公司 | A kind of fixture and encapsulation means of defence for electrochemical oxygen sensor encapsulation |
| CN110823314A (en) * | 2018-08-14 | 2020-02-21 | 南京沃天科技有限公司 | Liquid level transmitter adopting all-welded structure |
| CN111623850A (en) * | 2020-06-16 | 2020-09-04 | 南京沃天科技有限公司 | Liquid level transmitter waterproof sealing structure |
| CN117571086A (en) * | 2023-11-16 | 2024-02-20 | 北京埃睿迪硬科技有限公司 | Waterproof ventilation valve device of liquid level sensor |
-
2016
- 2016-11-18 CN CN201621241409.3U patent/CN206161101U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109239164A (en) * | 2018-08-01 | 2019-01-18 | 南京艾伊科技有限公司 | A kind of fixture and encapsulation means of defence for electrochemical oxygen sensor encapsulation |
| CN109239164B (en) * | 2018-08-01 | 2021-07-27 | 南京艾伊科技有限公司 | Tool for packaging electrochemical oxygen sensor and packaging protection method |
| CN110823314A (en) * | 2018-08-14 | 2020-02-21 | 南京沃天科技有限公司 | Liquid level transmitter adopting all-welded structure |
| CN111623850A (en) * | 2020-06-16 | 2020-09-04 | 南京沃天科技有限公司 | Liquid level transmitter waterproof sealing structure |
| CN117571086A (en) * | 2023-11-16 | 2024-02-20 | 北京埃睿迪硬科技有限公司 | Waterproof ventilation valve device of liquid level sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20181118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |