CN106017606A - Compact water level sensor - Google Patents
Compact water level sensor Download PDFInfo
- Publication number
- CN106017606A CN106017606A CN201610606926.4A CN201610606926A CN106017606A CN 106017606 A CN106017606 A CN 106017606A CN 201610606926 A CN201610606926 A CN 201610606926A CN 106017606 A CN106017606 A CN 106017606A
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- China
- Prior art keywords
- water level
- mentioned
- level sensor
- compact water
- upper shell
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
- G01F23/18—Indicating, recording or alarm devices actuated electrically
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/087—Water level measuring or regulating devices
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention provides a compact water level sensor and belongs to the technical field of machines. The problem that in the prior art, the structure is not compact is solved. The compact water level sensor comprises a shell, a sealing film, a guide rod, an LC oscillation circuit mechanism and a magnetic core. The LC oscillation circuit mechanism comprises a connection cylinder, a coil, an electric pin and a capacitor, the connection cylinder is located on an upper shell and cylindrical, the coil is wound on the outer side of the connection cylinder, the inner end of the electric pin is located in the upper shell and connected with the capacitor, and the outer end of the electric pin extends out of the upper shell. The compact water level sensor is compact in structure.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of compact water level sensor.
Background technology
The level sensor for washing machine of prior art, it includes that housing, rubber are thin
Film, coil, the magnetic core being fixed on outside magnetic core seat, the spring base being fixed in magnetic core seat,
Water level spring and regulation bolt.
Having air conduit interface on housing, the magnetic core seat being connected on rubber film is with rubber
Thin film moves so that magnetic core produces and the displacement of pressure correlation, thus change coil with
The natural frequency that electric capacity is constituted, said frequencies signal computer chip on washing machine changes
For controlling the control signal of penstock.
Owing to rubber film is flexible member, magnetic core moves the gap of existence, it is impossible to ensure
Magnetic core upwards moves linearly, and water level spring exists non-perpendicularity simultaneously, and water level spring exists
When meeting water level requirement, being that spring is in free state at zero level, magnetic conductor exists
Rocking of end can be produced, it is impossible to realize the accurate control to water level when arriving water level.
Summary of the invention
It is an object of the invention to the problems referred to above existed for prior art, it is provided that Yi Zhongjie
The compact water level sensor that structure is compact and stability is high.
The purpose of the present invention can be realized by following technical proposal:
A kind of compact water level sensor, it is characterised in that include housing, diaphragm seal,
Guide post, LC oscillating circuit mechanism and magnetic core, above-mentioned enclosure interior is cavity, described close
Sealer is connected in housing and is divided into by housing neighbouring two cavity: upper cavity
And lower chamber, above-mentioned LC oscillating circuit mechanism is connected at housing upper, above-mentioned guide post
Lower end be fixedly connected with diaphragm seal, guide post upper end is movably connected in housing, above-mentioned magnetic
Core is connected on the guide bar, the guide post meeting when diaphragm seal is along with fluid medium pressure effect
Along with diaphragm seal moves up and down, above-mentioned magnetic core is along with changing after guide post synchronizing moving
The natural frequency of LC oscillating circuit mechanism.
This compact water level sensor is arranged on the various occasion needing water level to sense, such as,
Can be installed in washing machine.
When the water level in equipment changes, the air pressure entered in this sensor becomes
Changing, the change of air pressure causes diaphragm seal to deform.Guide post along with after movement magnetic core create
The position corresponding with pressure, changes the inductance of LC oscillating circuit mechanism, say, that
Changing the natural frequency of LC oscillating circuit mechanism, this frequency is formed by shaping circuit
Constant amplitude pulse gives microprocessor, and after treatment, equipment starts to do predetermined work.
Such as, when equipment is washing machine, be can be achieved with by this compact water level sensor
The water inlet of washing machine, wash, be dehydrated, the predetermined function such as draining.
In above-mentioned compact water level sensor, described housing includes on interconnective
Housing and lower house, the edge of above-mentioned diaphragm seal is pressed on the company of upper shell and lower house
Meet place.
Such structure makes shell be easy to handling, and certainly, the part being positioned at housing also can
Convenient installation.
In above-mentioned compact water level sensor, threaded on described upper shell have one
End cap, the upper end of above-mentioned guide post is movably connected at end cap.
In above-mentioned compact water level sensor, described end cap upper end have for work
The interface portion that tool is connected, described end cap lower end has tubular guide part, above-mentioned guiding
Bar upper end is positioned at guide part.
Insert interface portion by instrument, just can easily regulate after instrument is connected with end cap
End cap.
In above-mentioned compact water level sensor, described interface portion is in prismatic recessed
Recess and there is the projection of cylindrical protrusion in the center of recess.
Obviously, the instrument with its mating shapes must be used during regulation end cap.Can see
Go out, special instrument make its can only special messenger adjusted, it is to avoid other personnel are to it
Carry out maloperation.
In above-mentioned compact water level sensor, described projection and end cap are integral type
Structure.
Use threaded not only stable connection, but also end cap position can easily be regulated.
In above-mentioned compact water level sensor, described magnetic core cylindrically, above-mentioned magnetic
Core retainer plate is on the guide bar and both are fixedly connected with.
In above-mentioned compact water level sensor, described guide post lower end connects disk
The location dish one of shape, also has location dish two in the form of annular discs at described lower chamber, above-mentioned
Location dish one and location dish two are connected and above-mentioned diaphragm seal is pressed on location dish one with fixed
Between the dish two of position.
Owing to diaphragm seal is flexible, softer, by location dish one and location dish two energy
Stable positions diaphragm seal.It is effectively prevented diaphragm seal to cave in.
In above-mentioned compact water level sensor, described guide post is also cased with reset
Spring, the two ends of above-mentioned upper reset spring are pushed up respectively and are pressed on end cap and magnetic core, above-mentioned
Under the elastic force effect of upper reset spring, magnetic core lower end is resisted against on location dish one.
Under the elastic force effect of upper reset spring guide post have move down recovery to its initial bit
The trend put.
Rotary end cover just can compress upper reset spring, thus changes the elastic force of upper reset spring.
In above-mentioned compact water level sensor, described guide post sidepiece also has elasticity
Card, above-mentioned elastic card is resisted against at the upper port of magnetic core under the elastic force effect of self.
Stable being connected with magnetic core of guide post can be made by elastic card.Certainly, due to bullet
Property card self has certain elasticity, can guarantee that magnetic core and guide post under its elastic force effect
Between connective stability.
In above-mentioned compact water level sensor, described elastic card includes in strip
Body, described body lower end is connected with guide post sidepiece, described body upper end have in
Hook-shaped gib head, above-mentioned gib head has away from guiding bar side under the elastic force effect of body
The trend in portion.
The body being obliquely installed can be stable be connected on magnetic core.
In above-mentioned compact water level sensor, the quantity of described elastic card is 36
Individual and circumference is distributed on guide post sidepiece.
Multiple elastic cards can improve the connective stability between guide post and magnetic core.
In above-mentioned compact water level sensor, also there is in described lower chamber lower reset
Spring, has the trend making to move on location dish two under the elastic force effect of lower back-moving spring.
Move on the elastic force effect lower seal film of lower back-moving spring has and recover to its initial bit
The trend put.
In above-mentioned compact water level sensor, described LC oscillating circuit mechanism includes
Connecting cylinder, coil, electrical prongs and electric capacity, above-mentioned connecting cylinder is positioned on upper shell and connects
Cylindrically, above-mentioned coil is wrapped in outside connecting cylinder cylinder, above-mentioned position, electrical prongs the inner
Being connected in upper shell and with electric capacity, upper shell is stretched out in electrical prongs outer end.
In above-mentioned compact water level sensor, described connecting cylinder is integrated with upper shell
Formula structure.
In above-mentioned compact water level sensor, described connecting cylinder sidepiece has plate-shaped
The connecting plate stretched out, above-mentioned electrical prongs and electric capacity are respectively positioned on connecting plate.
In above-mentioned compact water level sensor, described connecting plate is integrated with connecting cylinder
Formula structure.
In above-mentioned compact water level sensor, described electric capacity is CBB electric capacity and CBB
Electric capacity is positioned at connecting plate bottom and close to connecting cylinder, and the terminal pin of above-mentioned CBB electric capacity is solid
It is connected on above-mentioned connecting plate.
Due to the bottom being connected directly between connecting plate of CBB electric capacity, so make electric capacity not
Take up room, effectively make use of the space between connecting plate and diaphragm seal.
In above-mentioned compact water level sensor, the quantity of described electric capacity is two and two
Individual electric capacity and two capacitance profile are outside connecting cylinder.
In above-mentioned compact water level sensor, also including an outer housing, above-mentioned outer housing is even
Being connected on upper shell, above-mentioned LC oscillating circuit mechanism is between outer housing and upper shell
At cavity.
Can effectively avoid being subject to by above-mentioned LC oscillating circuit mechanism under the effect of outer housing
Extraneous interference, improves stability.
In above-mentioned compact water level sensor, the upper and lower of described connecting cylinder is equal
Having the spacing edge of protrusion, the two ends of above-mentioned coil bear against at corresponding spacing edge.
Spacing edge can be by coil stable position.
In above-mentioned compact water level sensor, described outer housing and upper shell are plastics
Material and both be fixedly connected with by clamping.
In above-mentioned compact water level sensor, described outer housing is by upper shell and lower house
Between junction cover.
The junction that such structure is avoided that between upper shell and lower house exposes, and improves
Its stability.
In above-mentioned compact water level sensor, described outer housing also has in straight hole shape
Adjustment hole, the axial line of above-mentioned adjustment hole parallels with the axial line of described connecting cylinder,
Connect in described adjustment hole and have the regulation screw of ferromagnetic material.
Regulation screw position in adjustment hole can change magnetic strength amount, thus reaches accurately to adjust
The purpose of joint.
In above-mentioned compact water level sensor, described adjustment hole inwall has some length
The raised line that strip protrudes, above-mentioned raised line is axially in parallel with adjustment hole, above-mentioned regulation screw
It is resisted against on raised line at thread segment.
Raised line stably can contact with regulation screw, it is ensured that regulation screw can be stably connected with to be adjusted
While knothole, moreover it is possible to avoid regulating screw and connect too closely, thus convenient regulation spiral shell
The position adjustments of nail.
In above-mentioned compact water level sensor, described raised line circumference is distributed on regulation
Hole inwall.
In above-mentioned compact water level sensor, described raised line lower end is inner with adjustment hole
Being connected, described raised line upper end has the guide part for the regulation smooth and easy insertion of screw.
Under the effect of guide part, regulate screw can be connected with adjustment hole smoothly, it is to avoid
Jam phenomenon occurs.
In above-mentioned compact water level sensor, described guide part is raised line upper end
Chamfering.
In above-mentioned compact water level sensor, described guide part is raised line upper end
Fillet.
Spacing in above-mentioned compact water level sensor, between described adjacent two raised lines
It is slightly less than raised line width.
In above-mentioned compact water level sensor, the quantity of described adjustment hole be two and
Two adjustment holes are symmetrical arranged.
Single adjustment hole can regulate a range of magnetic strength amount, two adjustment holes and be positioned at it
The cooperation of interior corresponding regulation screw can increase the range of accommodation of magnetic strength amount.
In above-mentioned compact water level sensor, the quantity of described adjustment hole is 25
Individual and circumference is distributed on outer housing.
It can be seen that the adjustment hole much more relatively quantity can increase its larger range of regulated quantity.
In above-mentioned compact water level sensor, described outer housing upper lateral part has protrusion
Connecting seat, above-mentioned adjustment hole is positioned at connection seat.
The setting connecting seat provides enough positions of adjustment hole.
In above-mentioned compact water level sensor, have at the upper edge of described diaphragm seal
Recessed locating slot, has at the lower edge of described diaphragm seal and can increase the friction of frictional force
Portion, described upper shell edge is embedded at locating slot, and above-mentioned friction part is pressed on lower house limit
At Yan.
Locating slot coordinates with upper shell, can make upper shell and diaphragm seal stable connection and closely.
In above-mentioned compact water level sensor, inside described lower house, there is protrusion
Connecting edge, above-mentioned friction part is resisted against at connection edge.
Connect along bigger with diaphragm seal contact area, thus ensure that diaphragm seal can be stable
It is connected at lower house.
In above-mentioned compact water level sensor, described connection has ringwise along place
Recessed link slot, above-mentioned friction part be positioned at link slot and link slot and friction part mutually
Join.
Its connective stability of the link slot matched and friction part is high.
In above-mentioned compact water level sensor, described friction part is diaphragm seal lower edge
If the arterial highway drag ring that place protrudes ringwise, described drag ring and diaphragm seal are integral type
Structure.
Multiple tracks drag ring can effectively increase friction, final ensure diaphragm seal and lower house it
Between connective stability.
In above-mentioned compact water level sensor, the cross section of described drag ring is trapezoidal.
In above-mentioned compact water level sensor, the cross section of described drag ring is tip-angled shape.
In above-mentioned compact water level sensor, the cross section of described drag ring is curved.
Compared with prior art, this compact water level sensor is due to must when lead loads and unloads
Must first load and unload end cap, and end cap just can must operate on it by specific purpose tool.Aobvious
So, the most effectively avoiding the maloperation of other personnel, its safety is higher.
Meanwhile, the setting of elastic card can not only make magnetic core and guide post stable connection, and
And also can conveniently dismantle.Specifically, external force extruding gib head, gib head shape are applied during dismounting
When becoming inside retraction magnetic core, just magnetic core can easily be separated with guide post.
It addition, the setting of CBB electric capacity is not take up space, in reasonably make use of sensor
The space in portion self, its compact conformation, there is the highest practical value.
And, regulate screw at adjustment hole and can also regulate its magnetic strength amount accurately, it is ensured that
Its high accuracy.Traditional control method is the decrement of regulation spring, directly acts on product
The air chamber of product, can make pressure produce fluctuation during regulation, therefore be difficult to precisely regulate frequency
The level pressure that rate is corresponding.And regulation screw is during regulation at adjustment hole, at air chamber
Outside is carried out, and only changes magnetic strength amount, pressure will not be made to produce fluctuation, thus can precisely adjust
The level pressure that joint frequency is corresponding.
Accompanying drawing explanation
Fig. 1 is the perspective view of this compact water level sensor.
Fig. 2 is the sectional structure schematic diagram of this compact water level sensor.
Fig. 3 is the perspective view in this compact water level sensor at upper shell.
Fig. 4 is the structural representation in this compact water level sensor at guide post.
Fig. 5 is the plan structure schematic diagram of this compact water level sensor.
Fig. 6 is the sectional structure schematic diagram in this compact water level sensor at adjustment hole.
In figure, 1, upper shell；1a, connecting cylinder；1a1, spacing edge；1b, connecting plate；
2, lower house；2a, connection edge；2a1, link slot；3, diaphragm seal；3a, locating slot；
3b, friction part；4, guide post；5, magnetic core；6, end cap；7, interface portion；7a、
Recess；7b, projection；8, location dish one；9, location dish two；10, upper reset spring；
11, body；11a, gib head；12, lower back-moving spring；13, coil；14, electrical prongs；
15, electric capacity；16, outer housing；16a, connection seat；16a1, adjustment hole；17, raised line；
17a, guide part.
Detailed description of the invention
As shown in Fig. 1 and Fig. 2 and Fig. 3 and Fig. 4, this compact water level sensor includes
Housing, diaphragm seal 3, guide post 4, LC oscillating circuit mechanism and magnetic core 5, above-mentioned housing
Inside is cavity, and described diaphragm seal 3 is connected in housing and housing is divided into phase up and down
Two adjacent cavitys: upper cavity and lower chamber, above-mentioned LC oscillating circuit mechanism is connected in shell
At body top, the lower end of above-mentioned guide post 4 is fixedly connected with diaphragm seal 3, on guide post 4
End is movably connected in housing, and above-mentioned magnetic core 5 is connected on guide post 4, works as diaphragm seal
3 along with during fluid medium pressure effect guide post 4 can move up and down along with diaphragm seal 3,
Above-mentioned magnetic core 5 is along with changing LC oscillating circuit mechanism after guide post 4 synchronizing moving
Natural frequency.
Loading and unloading for convenience, in the present embodiment, housing includes interconnective upper shell 1
With lower house 2, the edge of above-mentioned diaphragm seal 3 is pressed on upper shell 1 and lower house 2
Junction.
Threaded on described upper shell 1 have an end cap 6, the upper end of above-mentioned guide post 4
It is movably connected at end cap 6.
Described end cap 6 upper end has the interface portion 7 for being connected, described end cap 6 with instrument
Lower end has tubular guide part, and above-mentioned guide post 4 upper end is positioned at guide part.
Described interface portion 7 is in prismatic recessed recess 7a and in the center of recess 7a
There is the projection 7b of cylindrical protrusion.In the present embodiment, described projection 7b and end
Lid 6 is integral type structure.
Cylindrically, above-mentioned magnetic core 5 is enclosed within guide post 4 and both phases described magnetic core 5
It is connected.
Described guide post 4 lower end connects discoid location dish 1, described lower chamber
Place also has location dish 29 in the form of annular discs, above-mentioned location dish 1 and location dish 29
It is connected and above-mentioned diaphragm seal 3 is pressed between location dish 1 and location dish 29.
Upper reset spring 10, above-mentioned upper reset spring 10 also it is cased with on described guide post 4
Two ends push up respectively and be pressed on end cap 6 and magnetic core 5, at the bullet of above-mentioned upper reset spring 10
Under power effect, magnetic core 5 lower end is resisted against on location dish 1.
Described guide post 4 sidepiece also has elastic card, above-mentioned elastic card self
It is resisted against under elastic force effect at the upper port of magnetic core 5.
Described elastic card includes the body 11 in strip, described body 11 lower end with
Guide post 4 sidepiece is connected, and described body 11 upper end has in hook-shaped gib head 11a, on
The gib head 11a stated has becoming away from guide post 4 sidepiece under the elastic force effect of body 11
Gesture.
The quantity of described elastic card is four and circumference is distributed on guide post 4 sidepiece.
Also there is lower back-moving spring 12, at the bullet of lower back-moving spring 12 in described lower chamber
There is under power effect the trend making to move on location dish 29.
Described LC oscillating circuit mechanism includes connecting cylinder 1a, coil 13, electrical prongs 14
With electric capacity 15, above-mentioned connecting cylinder 1a be positioned on upper shell 1 and connecting cylinder 1a cylindrically,
Above-mentioned coil 14 is wrapped in outside connecting cylinder 1a, and above-mentioned electrical prongs 14 the inner is positioned at
In housing 1 and being connected with electric capacity 15, upper shell 1 is stretched out in electrical prongs 14 outer end.
Described connecting cylinder 1a and upper shell 1 are integral type structure.
Described connecting cylinder 1a sidepiece has the plate-shaped connecting plate 1b stretched out, above-mentioned electricity
Pin 14 and electric capacity 15 are respectively positioned on connecting plate 1b.
Described connecting plate 1b and connecting cylinder 1a is integral type structure.
Described electric capacity 15 is positioned at connecting plate 1b bottom for CBB electric capacity and CBB electric capacity and leans on
Being bordering on connecting cylinder 1a, the terminal pin of above-mentioned CBB electric capacity is connected in above-mentioned connecting plate 1b
On.
The quantity of described electric capacity 15 is two and two electric capacity 15 and two capacitance profile exist
Outside connecting cylinder 1a.
Also including an outer housing 16, above-mentioned outer housing 16 is connected on upper shell 1, above-mentioned
At LC oscillating circuit mechanism cavity between outer housing 16 and upper shell 1.
The upper and lower of described connecting cylinder 1a is respectively provided with the spacing along 1a1 of protrusion, above-mentioned
The two ends of coil 13 bear against corresponding spacing along at 1a1.
Described outer housing 16 and upper shell 1 are plastic material and both are solid mutually by clamping
Even.
Junction between upper shell 1 and lower house 2 is covered by described outer housing 16.
As shown in Figure 5 and Figure 6, described outer housing 16 also has the adjustment hole in straight hole shape
16a1, the axial line of above-mentioned adjustment hole 16a1 is equal with the axial line of described connecting cylinder 1a
OK, the regulation screw of ferromagnetic material is connected in described adjustment hole 16a1.
Described adjustment hole 16a1 inwall has the raised line 17 that some strips protrude, above-mentioned
Raised line 17 is axially in parallel with adjustment hole 16a1, at the thread segment of above-mentioned regulation screw against
On raised line 17.
Described raised line 17 circumference is distributed on adjustment hole 16a1 inwall.
Described raised line 17 lower end is connected with adjustment hole 16a1 the inner, described raised line 17 upper end
There is the guide part 17a for the regulation smooth and easy insertion of screw.
The described chamfering that guide part 17a is raised line upper end.According to practical situation, institute
The guide part 17a stated be the fillet of raised line 17 upper end be also feasible.
Spacing between described adjacent two raised lines 17 is slightly less than raised line width.
The quantity of described adjustment hole 16a1 is two and two adjustment hole 16a1 and is symmetrical arranged.
The quantity of described adjustment hole 16a1 is 25 and circumference is distributed on outer housing 16.
Described outer housing 16 upper lateral part has the connection seat 16a of protrusion, above-mentioned adjustment hole
16a1 is positioned at connection seat 16a.
There is at the upper edge of described diaphragm seal 3 recessed locating slot 3a, described diaphragm seal
There is at the lower edge of 3 the friction part 3b that can increase frictional force, described upper shell 1 edge
Being embedded at locating slot 3a, above-mentioned friction part 3b is pressed on lower house 2 edge.
Having the connection of protrusion along 2a inside described lower house 2, above-mentioned friction part 3b supports
Lean against and connect at 2a.
Described connection has the most recessed link slot 2a1, above-mentioned friction at 2a
Portion 3b is positioned at link slot 2a1 and link slot 2a1 matches with friction part 3b.
If described friction part 3b is the arterial highway friction protruded ringwise at diaphragm seal lower edge
Ring, described drag ring and diaphragm seal are integral type structure.In the present embodiment, described in rub
The cross section wiping ring is trapezoidal, and according to practical situation, the cross section of described drag ring is tip-angled shape
Or curved is all feasible.
This compact water level sensor is arranged on the various occasion needing water level to sense, such as,
Can be installed in washing machine.
When the water level in equipment changes, the air pressure entered in this sensor becomes
Changing, the change of air pressure causes diaphragm seal to deform.Guide post along with after movement magnetic core create
The position corresponding with pressure, changes the inductance of LC oscillating circuit mechanism, say, that
Changing the natural frequency of LC oscillating circuit mechanism, this frequency is formed by shaping circuit
Constant amplitude pulse gives microprocessor, and after treatment, equipment starts to do predetermined work.
Such as, when equipment is washing machine, be can be achieved with by this compact water level sensor
The water inlet of washing machine, wash, be dehydrated, the predetermined function such as draining.
Claims (10)
1. a compact water level sensor, it is characterised in that include housing, diaphragm seal,
Guide post, LC oscillating circuit mechanism and magnetic core, described LC oscillating circuit mechanism includes
Connecting cylinder, coil, electrical prongs and electric capacity, above-mentioned connecting cylinder is positioned on upper shell and connects
Cylindrically, above-mentioned coil is wrapped in outside connecting cylinder cylinder, above-mentioned position, electrical prongs the inner
Being connected in upper shell and with electric capacity, upper shell is stretched out in electrical prongs outer end.
Compact water level sensor the most according to claim 1, it is characterised in that
Described connecting cylinder and upper shell are integral type structure.
Compact water level sensor the most according to claim 2, it is characterised in that
Described connecting cylinder sidepiece has the plate-shaped connecting plate stretched out, above-mentioned electrical prongs and electric capacity
It is respectively positioned on connecting plate.
Compact water level sensor the most according to claim 3, it is characterised in that
Described connecting plate and connecting cylinder are integral type structure.
Compact water level sensor the most according to claim 3, it is characterised in that
Described electric capacity is CBB electric capacity and CBB electric capacity is positioned at connecting plate bottom and close to connecting cylinder,
The terminal pin of above-mentioned CBB electric capacity is connected on above-mentioned connecting plate.
Compact water level sensor the most according to claim 5, it is characterised in that
The quantity of described electric capacity is that two and two electric capacity and two capacitance profile are outside connecting cylinder
Side.
Compact water level sensor the most according to claim 2, it is characterised in that
Also include that an outer housing, above-mentioned outer housing are connected on upper shell, above-mentioned LC oscillating circuit machine
At structure cavity between outer housing and upper shell.
Compact water level sensor the most according to claim 2, it is characterised in that
The upper and lower of described connecting cylinder is respectively provided with the spacing edge of protrusion, the two ends of above-mentioned coil
Bear against at corresponding spacing edge.
Compact water level sensor the most according to claim 2, it is characterised in that
Described outer housing and upper shell are plastic material and both are fixedly connected with by clamping.
Compact water level sensor the most according to claim 2, it is characterised in that
Junction between upper shell and lower house is covered by described outer housing.
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| CN201610606926.4A CN106017606A (en) | 2016-07-27 | 2016-07-27 | Compact water level sensor |
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| CN201610606926.4A CN106017606A (en) | 2016-07-27 | 2016-07-27 | Compact water level sensor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106978706A (en) * | 2017-05-12 | 2017-07-25 | 汪国庆 | A kind of compact water level sensor for being easy to assemble |
| CN108317754A (en) * | 2018-01-29 | 2018-07-24 | 海宁海光信息科技有限公司 | Water level sensor for solar water heater |
| CN108517657A (en) * | 2018-06-14 | 2018-09-11 | 神龙电气有限公司 | Water level sensor |
| CN109695125A (en) * | 2017-10-20 | 2019-04-30 | 无锡小天鹅股份有限公司 | A kind of washing machine drum door motion detection method and take clothing reminding method, system |
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| CN101776334A (en) * | 2009-01-09 | 2010-07-14 | 林奕开 | Water-level and water-temperature sensor for solar water heater |
| CN101832805A (en) * | 2009-03-10 | 2010-09-15 | 杭州神林电子有限公司 | Water level sensor for home appliance |
| CN202153145U (en) * | 2011-08-16 | 2012-02-29 | 创乐电子实业（惠州）有限公司 | Pressure water-level sensor |
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| CN204679144U (en) * | 2015-06-24 | 2015-09-30 | 金华市宏昌电器有限公司 | Level sensor on level sensor and washing machine |
| CN205919872U (en) * | 2016-07-27 | 2017-02-01 | 神龙电气有限公司 | Compact level sensor |
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| CN106978706A (en) * | 2017-05-12 | 2017-07-25 | 汪国庆 | A kind of compact water level sensor for being easy to assemble |
| CN109695125A (en) * | 2017-10-20 | 2019-04-30 | 无锡小天鹅股份有限公司 | A kind of washing machine drum door motion detection method and take clothing reminding method, system |
| CN108317754A (en) * | 2018-01-29 | 2018-07-24 | 海宁海光信息科技有限公司 | Water level sensor for solar water heater |
| CN108517657A (en) * | 2018-06-14 | 2018-09-11 | 神龙电气有限公司 | Water level sensor |
| CN108517657B (en) * | 2018-06-14 | 2023-10-17 | 神龙电气股份有限公司 | Water level sensor |
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Application publication date: 20161012 |