CN108645478A - Water level sensor - Google Patents
Water level sensor Download PDFInfo
- Publication number
- CN108645478A CN108645478A CN201810696019.2A CN201810696019A CN108645478A CN 108645478 A CN108645478 A CN 108645478A CN 201810696019 A CN201810696019 A CN 201810696019A CN 108645478 A CN108645478 A CN 108645478A
- Authority
- CN
- China
- Prior art keywords
- water level
- level sensor
- coil rack
- terminal
- upper shell
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 238000009434 installation Methods 0.000 claims abstract description 16
- 238000005452 bending Methods 0.000 claims abstract description 6
- 208000002925 dental caries Diseases 0.000 claims abstract description 3
- 238000003466 welding Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012797 qualification Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 10
- 238000005406 washing Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004851 dishwashing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007937 lozenge Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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
- G01F23/22—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
-
- 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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/22—Condition of the washing liquid, e.g. turbidity
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (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 discloses water level sensors, it is characterised in that：Coordinate installation to constitute the intake cover of inner cavity including upper shell and with it, the diaphragm that inner cavity is divided into two cavitys is equipped between intake cover and upper shell, intake cover is equipped with the suction nozzle being connected to lower chamber, LC oscillating circuits are equipped in upper cavity；The LC oscillating circuits include coil rack, and enameled wire is around on the outside of coil rack, and the coil rack is equipped with the jack for being pierced by terminal；The terminal includes inserting section and the bending section that is connect vertically with the inserting section, and the inserting section is equipped with the inserted sheet limit point that corresponding grafting clamping is limited in the jack front end.Water level sensor of the present invention is applicable to produce in batches, and the production qualification rate of product is high, has inexpensive high stability, has preferable application prospect.
Description
Technical field
The invention belongs to sensor technical fields, more specifically to water level sensor.
Background technology
Know used in washing machine 1. water level sensor or pressure switch in the field, passes through LC oscillation circuits
(Colpitts type),Wherein L is coil inductance Hz, and C is capacitance static capacity F；Washer operation mistake
Ensure equipment normal operation by setting multiple parameters in journey；As shown in fig. 1,16 suction nozzle one end of water level sensor passes through
The collection chamber 19 that hose 17 is connected in inner tank of washing machine 18 combines the inner tank of washing machine level detection system for being built into complete set
System.In the prior art, most water level sensors are complicated, and mounting process is cumbersome, and stability is poor.
Invention content
Present invention aim to address problem of the existing technology, it is good to provide a kind of simple and stable structure, at low cost,
The water level sensor of excellent performance.
To achieve the goals above, the technical solution that the present invention takes is：Water level sensor, it is characterised in that：Including upper
Shell and the intake cover for coordinating installation composition inner cavity with it, are equipped between intake cover and upper shell inner cavity being divided into two chambers
The diaphragm of body, intake cover are equipped with the suction nozzle being connected to lower chamber, LC oscillating circuits are equipped in upper cavity；The LC oscillations electricity
Road includes coil rack, and enameled wire is around on the outside of coil rack, and the coil rack is equipped with the jack for being pierced by terminal；The end
The bending section that attached bag includes inserting section and connect vertically with the inserting section, the inserting section are equipped with corresponding grafting clamping and are limited in
The inserted sheet limit point of the jack front end.
To keep above-mentioned technical proposal more detailed and specific, the present invention also provides optimization technique sides further below
Case, to obtain satisfied practical function：
The terminal includes the terminal close to centre position and the terminal close to both sides, is set close to the both sides of the terminal of both sides
Have around line segment, coiling limit point is equipped with around the side of line segment described.
The coil rack edge is equipped with and is correspondingly connected with the location hole on the upper shell, is set in the upper enclosure inner wall
There are positioning pin, the positioning pin correspondence to be plugged in location hole, and using welding positioning.
The coil rack includes ontology, and the ontology is hollow columnar structured, is all provided in the upper and lower ends of ontology
There is protrusion with the extension of limited support enameled wire.
The edge of coil rack upper end extension is equipped with spaced apart three engaging lugs, and the location hole is set to described
On engaging lug.
One end opposite with terminal position is originated equipped with spaced apart coiling in the extension of the coil rack upper end
Point and coiling take-up slot.
Coiling crossed beam trunking is equipped with below the extension of the coil rack upper end.
It is located at the lower section for being pierced by the terminal on the coil rack equipped with the water bar of protrusion.
The upper shell is equipped with the screw boss with installation and adjustment nut extended inwardly to form.
Corresponding one end for being pierced by terminal is equipped with holder, the holder and the upper casing body by integral forming on the upper shell.
Compared with prior art, the present invention haing the following advantages：Water level sensor of the present invention is applicable to produce in batches, production
The production qualification rate of product is high, has inexpensive high stability, has preferable application prospect.
Description of the drawings
The content expressed by the attached drawing to this specification and the label in figure are briefly described below：
Fig. 1 is that water level sensor uses schematic diagram；
Fig. 2 is water level sensor schematic diagram of the present invention；
Fig. 3 is water level sensor upper shell internal structure schematic diagram of the present invention；
Fig. 4 is water level sensor coil skeleton structure schematic diagram of the present invention；
Fig. 5 is water level sensor coil skeleton structure schematic diagram of the present invention；
Fig. 6 is water level sensor coil skeleton structure schematic diagram of the present invention；
Fig. 7 is water level sensor coil skeleton structure schematic diagram of the present invention；
Fig. 8 is water level sensor terminal structure schematic diagram of the present invention；
Fig. 9 is water level sensor terminal structure schematic diagram of the present invention；
Figure 10 is water level sensor terminal grafting position limiting structure schematic diagram of the present invention.
In figure label for：1, intake cover, 2, upper shell, 21, screw boss, 22, positioning pin, 3, adjusting nut, 4, adjust
Screw, 5, adjustment spring, 6, coil rack, 61, location hole, 62, coiling starting point, 63, coiling crossed beam trunking, 64, coiling take-up
Slot, 65, water bar.
7, magnetic core, 8, lower push rod support, 9, upper ejector pin cap, 10, terminal, 101, inserting section, 102, bending section, 103, coiling
Section, 104, coiling limit point, 105, inserted sheet limit point.
11, holder, 12, holder lock, 13, water retaining ribs, 14, diaphragm, 15, suction nozzle, 16, water level sensor, 17, soft
Pipe, 18, inner cylinder, 19, collection chamber.
Specific implementation mode
Below against attached drawing, by the description of the embodiment, making to the specific implementation mode of the present invention further details of
Explanation.
Water level sensor of the present invention, as shown in Fig. 2, coordinating the intake cover of installation composition inner cavity including upper shell 2 and with it
1, the diaphragm that inner cavity is divided into two cavitys is equipped between intake cover 1 and upper shell 2, intake cover 1 is equipped with and lower chamber
The suction nozzle 15 of connection, upper cavity is interior to be equipped with LC oscillating circuits.In the present invention, as shown in Figure 2, LC oscillating circuits include coil
Skeleton 6, enameled wire are around in 6 outside of coil rack, and coil rack 6 is equipped with the jack for being pierced by terminal 10.
In the present invention, as shown in Figure 8,9, 10, terminal 10 includes inserting section 101 and the bending section being connect with inserting section 101
102, bending section 102 is arranged vertically with inserting section 101.According to the installation site of terminal 10, terminal 10 includes close to centre position
Terminal and close to both sides terminal, close to both sides terminal both sides be equipped with around line segment 103, set around the side of line segment 103
There is coiling limit point 104, to limit the height and position of coiling, coiling off-line is avoided to happen.
In the present invention, as shown in Fig. 3,4,5,6,6 edge of coil rack is equipped with and is correspondingly connected with the positioning on upper shell 2
Hole 61.Preferably, 6 edge of coil rack is equipped with three engaging lugs of arranged for interval, and location hole 61 is set on engaging lug, upper shell 2
Inner wall is equipped with the corresponding positioning pin 22 being plugged in location hole 61.Three-point fix stability is good, by positioning pin 22 when installation
Correspondence is plugged in location hole 61, then takes 3 ultrasonic welding positioning, and ultrasonic welding is reliable and stable, further increases coil bone
The stability that frame 6 connects, avoids water level sensor because of vibration influence in by washing course of washing machine, coil position, which shifts, leads
Cause the unstable of export resonance frequency.
In the present invention, the ontology of coil rack 6 is hollow columnar structured, and protrusion is equipped in the upper and lower ends of ontology
With the extension of limited support enameled wire, stable support enameled wire.Engaging lug equipped with location hole is set in the extension of upper end, with fixed
Position is connected on the positioning pin 22 on upper shell 2.It is equipped with pair towards the side of setting holder 11 on upper shell 2 on coil rack 8
The jack of inserting terminal 10, terminal 10 is answered to be plugged in jack from inside to outside.
In the present invention, 6 lower end of coil rack one end opposite with terminal position be equipped with coiling starting point 62 and around
Line take-up slot 64 is additionally provided with coiling crossed beam trunking 63, and coiling starting point 62 and coiling take-up slot 64 are spaced apart, coiling crossed beam trunking 63
To support the ring channel structures below extension on coil rack 6.Enameled wire starts winding through coiling through coiling starting point 62
64 coiling wound of crossed beam trunking, final take-up to coiling take-up slot 64.Coiling starting point 62 and coiling take-up slot 64 are independent
Arrangement avoids water level sensor coil from crossing line around a position and intersects with the line that finished up, and effectively prevent water level sensor for a long time
It is powered and the situation of short circuit is caused to occur.
In the present invention, the water bar 65 of protrusion is additionally provided with positioned at the lower section of inserting terminal 10 on coil rack 6, cooperation is inserted
Installation is connect to upper shell 2, is coordinated with the water retaining ribs 13 on upper shell 2, to obtain effective water blocking waterproof effect.
In the present invention, upper shell 2 is equipped with the screw boss 21 with installation and adjustment nut 3 extended inwardly to form.The water
Level sensor shell is integrally formed, and structure simplifies, and eliminates traditional screw shell, eliminates installation steps, improves product
Stability, greatly ensure that the validity and consistency of water level sensor performance.
Coil rack 6 is overlapped with 21 axis of screw boss, and the upper end of coil rack 6, which corresponds to, to be connected under screw boss 21
End.Such structure setting not only simplifies structure, improves its sealing performance, and ensures the opposite stability of coil rack.
As shown in Fig. 2,3, corresponding one end for being pierced by terminal is equipped with holder 11 on upper shell 2.Holder 11 and upper shell 2 one
Body formed, holder 11 is the frame structure formed around terminal 10, and holder outer ring is extended, existed with guaranteed water level sensor outward
After grafting use, terminal end closing avoids coil rack 6 with outside the directly naked leakage of client's external contact area, and user uses behaviour
Make improper to cause liquid to flow to male and female harness contact point to cause functional shunt, washing machine is made to break down.Preferably, in holder
It is upper that water retaining ribs 13 are equipped with positioned at each terminal between, by making moist between structure isolation terminal or liquid covers leads to water level sensor
Short circuit further increases its stability in use, and holder is equipped with holder and latches 12, leaves client installation bus bundle structure position for
It sets, it is quick and easy for installation.
In the present invention, diaphragm 14 is equipped with the magnetic core 7 across coil rack, is equipped with and adjusts between magnetic core 7 and adjusting nut 3
Spring 5.Diaphragm 14 is equipped with lower push rod support 8, and the upper end of magnetic core 7 is equipped with cooperation lower push rod support 8 to support the upper ejector pin cap of magnetic core 7
9.Adjustment spring 5 is placed in upper shell 2, and upper end is equipped with adjusting nut 3.Adjustment spring 5 is pressed on magnetic core 7 by adjusting nut 3,
So that diaphragm 2 resets.
In the present invention, the lower edge of upper shell 2 is equipped with card slot, with the corresponding lug edge for sealing clamping diaphragm 14, really
Protect good sealing effect.
The present invention water level sensor is built-in with deformable diaphragm 14 that can be sensitive to fluid pressure, and diaphragm 14 is rubber
Diaphragm, diaphragm 14 are composed to form fine and close collection chamber with intake cover 1.Magnetic core 7 is formed by ferrite sintered, and iron is contained in inside
Magnetic material, resists and delay bar 8 under magnetic core 7 is passed through and upper ejector pin cap 9 supports, under resist and delay bar 8 fixed on diaphragm 14.Diaphragm 14 it is upper
Lower movement is agitated by external force air pressure, 5 elastic force of adjustment spring keeps whole linear up and down motion；Water level sensor is by extraneous gas
Pressure value moves upwards, after coil coupling resonant frequency reduction reach realization and be precisely controlled inner cylinder height of water level；14 deformation quantity of diaphragm
Depending on suffered compressive load per unit area value on diaphragm 14, compressive load per unit area value is more than 5 value of elastic of adjustment spring, and diaphragm 14 is whole
Rise, compressive load per unit area value is equal to 5 value of elastic balance between two forces of adjustment spring, exports stable resonant frequency signal, passes through this
Come the liquid level being precisely controlled in washing machine or dish washer interior and send out correct instruction.
Water level sensor is a lc circuit, it collectively constitutes LC oscillating circuits with circuit in computer board, passes through air pressure
Size changes inductance value, and to changing the frequency of oscillating circuit, microcontroller in computer board detects frequency.Pass through frequency
Size judges water level.There are one gas chambers in washing machine or the machine drum body that washes the dishes, and when water level changes, the pressure for changing plenum interior is big
Small, this gas chamber is connected by plastic flexible pipe and water level sensor.When work, diaphragm 14 is moved magnetic core 7 by zone of pressure
It is moved up and down in the coil of LC oscillating circuits, magnetic core 7 moves up and down, and changes the inductance value of coil, the variation of inductance value
After the starting of oscillation of LC oscillating circuits and amplifying circuit processing, it is converted to frequency signal and is sent into microcontroller progress inter-process,
Obtained frequency signal is sent into the drive module of washing machine or dish-washing machine computer board, and computer board judges according to numerical values recited
Whether have reached preset water level, to send out instruction, control the break-make of water valve, control water inlet, with reach control washing machine or
Water level height in dish-washing machine etc..
In the present invention, it is equipped with inserted sheet limit point 105 in inserting section 101, preferably connects inserted sheet limit point 105 with slot
Tactile end face is designed to inclined lozenges, to facilitate grafting to install.Figure 10 is that water level sensor terminal grafting position limiting structure shows
It is intended to, terminal 10 is passed through into slot from inside to outside when installation, rear salient point is installed in place and is clamped to the end face of coil rack, realizes
Location and installation, convenient and efficient, stability in use is good.Terminal 10 carries out grafting from 6 rear portion of water level sensor coil rack, additionally it is possible to
Before effective guaranteed water level sensor terminal 10 to answer pulling force.
In the present invention, the adjustment hole of installation and adjustment screw 4 is additionally provided on upper shell 2, adjusting screw 4 is placed in across adjustment hole
In the coil of LC oscillating circuits.Position of the adjusting screw 4 in adjustment hole can change magnetic flux, accurately be adjusted to reach
Purpose.
Water level sensor of the present invention, by upper shell 2,11 integrated design of holder, structure simplifies, and performance is excellent；In upper casing
The screw boss 21 of protrusion, the position for placing coil rack 6 are set on body 2, and coil rack 6 passes through three-point fix, later stage
It is fixed by ultrasonic welding, structure is further simplified, and coil rack mounting stability is good；By 6 terminal soldering of coil rack
Contact seal protection is got up, will not be because of steam after taking outside to extend up to male and female assembly in place at external male and female connection-peg
Condensation forms short circuit；
Water level sensor of the present invention is applicable to produce in batches, and the production qualification rate of product is high, has inexpensive high stable
Property, there is preferable application prospect.
The present invention is exemplarily described above in conjunction with attached drawing, but the present invention is not limited to aforesaid way, only
It wants the improvement of the various unsubstantialities of methodology and technical solution progress using the present invention or directly applies to other occasions
, it all falls in protection scope of the present invention.
Claims (10)
1. water level sensor, it is characterised in that：The intake cover for coordinating installation composition inner cavity including upper shell and with it, in intake cover
The diaphragm that inner cavity is divided into two cavitys is equipped between upper shell, intake cover is equipped with the suction nozzle being connected to lower chamber,
LC oscillating circuits are equipped in upper cavity；The LC oscillating circuits include coil rack, and enameled wire is around on the outside of coil rack, described
Coil rack is equipped with the jack for being pierced by terminal；The terminal includes inserting section and the bending that is connect vertically with the inserting section
Section, the inserting section are equipped with the inserted sheet limit point that corresponding grafting clamping is limited in the jack front end.
2. water level sensor according to claim 2, it is characterised in that：The terminal includes the terminal close to centre position
And the terminal close to both sides, it is equipped with around line segment close to the both sides of the terminal of both sides, is limited equipped with coiling around the side of line segment described
Site.
3. water level sensor described in accordance with the claim 3, it is characterised in that：The coil rack edge is equipped with and is correspondingly connected with
Location hole on the upper shell, the upper enclosure inner wall are equipped with positioning pin, and the positioning pin correspondence is plugged in location hole,
And using welding positioning.
4. water level sensor according to claim 4, it is characterised in that：The coil rack includes ontology, the ontology
To be hollow columnar structured, protrusion is equipped with the extension of limited support enameled wire in the upper and lower ends of ontology.
5. water level sensor according to claim 5, it is characterised in that：The edge of coil rack upper end extension is equipped with
Spaced apart three engaging lugs, the location hole are set on the engaging lug.
6. water level sensor according to claim 6, it is characterised in that：In the extension of the coil rack upper end with terminal cloth
The opposite one end of seated position is equipped with spaced apart coiling starting point and coiling take-up slot.
7. water level sensor according to claim 7, it is characterised in that：Be equipped with below coil rack upper end extension around
Line crossed beam trunking.
8. water level sensor according to claim 8, it is characterised in that：It is located on the coil rack and is pierced by the terminal
Lower section be equipped with protrusion water bar.
9. according to claim 1 to 8 any one of them water level sensor, it is characterised in that：The upper shell is equipped with inside
The screw boss with installation and adjustment nut extended to form.
10. water level sensor according to claim 9, it is characterised in that：Correspondence is pierced by the one of terminal on the upper shell
End is equipped with holder, the holder and the upper casing body by integral forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810696019.2A CN108645478A (en) | 2018-06-29 | 2018-06-29 | Water level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810696019.2A CN108645478A (en) | 2018-06-29 | 2018-06-29 | Water level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108645478A true CN108645478A (en) | 2018-10-12 |
Family
ID=63749934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810696019.2A Pending CN108645478A (en) | 2018-06-29 | 2018-06-29 | Water level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108645478A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253774A (en) * | 2018-10-30 | 2019-01-22 | 合肥齐特电器有限公司 | water level sensor |
| CN110840364A (en) * | 2019-12-10 | 2020-02-28 | 芜湖乐佳电器有限公司 | Dish washer assembly portable level sensor |
| CN112178382A (en) * | 2020-09-27 | 2021-01-05 | 夏喜明 | Sealing and locking device for water level sensor and cable connector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61232893A (en) * | 1985-04-10 | 1986-10-17 | 松下電器産業株式会社 | Apparatus for detecting water level of washing machine |
| CN201724772U (en) * | 2010-06-13 | 2011-01-26 | 上海乐港电器有限公司 | Gas-pressure type pressure sensor |
| CN102426042A (en) * | 2011-10-28 | 2012-04-25 | 张家港华峰电接插元件有限公司 | Water level sensor |
| CN202766865U (en) * | 2012-08-31 | 2013-03-06 | 合肥日上电器有限公司 | Novel washing machine water level sensor |
| CN208420114U (en) * | 2018-06-29 | 2019-01-22 | 芜湖乐佳电器有限公司 | A kind of water level sensor |
-
2018
- 2018-06-29 CN CN201810696019.2A patent/CN108645478A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61232893A (en) * | 1985-04-10 | 1986-10-17 | 松下電器産業株式会社 | Apparatus for detecting water level of washing machine |
| CN201724772U (en) * | 2010-06-13 | 2011-01-26 | 上海乐港电器有限公司 | Gas-pressure type pressure sensor |
| CN102426042A (en) * | 2011-10-28 | 2012-04-25 | 张家港华峰电接插元件有限公司 | Water level sensor |
| CN202766865U (en) * | 2012-08-31 | 2013-03-06 | 合肥日上电器有限公司 | Novel washing machine water level sensor |
| CN208420114U (en) * | 2018-06-29 | 2019-01-22 | 芜湖乐佳电器有限公司 | A kind of water level sensor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253774A (en) * | 2018-10-30 | 2019-01-22 | 合肥齐特电器有限公司 | water level sensor |
| CN110840364A (en) * | 2019-12-10 | 2020-02-28 | 芜湖乐佳电器有限公司 | Dish washer assembly portable level sensor |
| CN112178382A (en) * | 2020-09-27 | 2021-01-05 | 夏喜明 | Sealing and locking device for water level sensor and cable connector |
| CN112178382B (en) * | 2020-09-27 | 2022-03-04 | 广州中工水务信息科技有限公司 | Sealing and locking device for water level sensor and cable connector |
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