CN204027659U - The water tank of kitchen appliance - Google Patents
The water tank of kitchen appliance Download PDFInfo
- Publication number
- CN204027659U CN204027659U CN201420284981.2U CN201420284981U CN204027659U CN 204027659 U CN204027659 U CN 204027659U CN 201420284981 U CN201420284981 U CN 201420284981U CN 204027659 U CN204027659 U CN 204027659U
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- China
- Prior art keywords
- water level
- inductive coil
- tank
- level detecting
- detection module
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- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 166
- 230000001939 inductive effect Effects 0.000 claims abstract description 79
- 238000001514 detection method Methods 0.000 claims abstract description 60
- 239000004020 conductor Substances 0.000 claims abstract description 25
- 230000003247 decreasing effect Effects 0.000 claims description 15
- 230000001965 increasing effect Effects 0.000 claims description 15
- 239000000696 magnetic material Substances 0.000 claims description 7
- 230000010355 oscillation Effects 0.000 claims description 7
- 230000003534 oscillatory effect Effects 0.000 claims description 7
- 230000035699 permeability Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 210000000476 body water Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
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- Level Indicators Using A Float (AREA)
Abstract
The utility model relates to a kind of water tank of kitchen appliance, comprise tank body and condensate tank of dehumidifier, it is characterized in that: described condensate tank of dehumidifier comprises the water level detecting water pipe be communicated with tank body, be placed in the float that water level detecting water pipe includes magnetic conductor, and inductance detection module, inductive coil is arranged with outside described water level detecting water pipe, this inductive coil in the equidistant scope of water level detecting water pipe with the mode coiling of the different number of turn, this inductive coil is electrically connected with inductance detection module, float containing magnetic conductor moves up and down along with the change of the water level in tank body, the change that inductance detection module detects inductive coil inductance value realizes water level detecting.So, by being wound with the inductive coil of the different number of turn, containing the float of magnetic conductor in motion process, different positions produces different inductance values, thus can accurate sensed water level continuously, in addition, low by inductive coil sensed water level cost.
Description
Technical field
The utility model relates to a kind of water tank, particularly relates to a kind of water tank of kitchen appliance.
Background technology
Existing household electrical appliances have two kinds of detection modes usually to the detection of cistern water level, the first carrys out sensed water level by level electrode, but the detection mode of level electrode can only detect specific several water level, need to detect several water level and then arrange several level electrode, wiring is more complicated also; In addition, level electrode is immersed in water, and galvanization, easily on level electrode, form incrustation scale, not easy cleaning, affect water quality, when incrustation scale is serious, also can affect accuracy of detection.The second is then carry out sensed water level by float and tongue tube, equally also can only detect specific water level, and needing to detect several water level then needs to arrange several tongue tube, there is line complexity and high in cost of production problem during multiple water level detecting.
Utility model content
In view of this, be necessary that providing a kind of detects accurately and the simple water tank of structure.
The utility model is achieved through the following technical solutions:
A kind of water tank of kitchen appliance, comprise tank body and condensate tank of dehumidifier, described condensate tank of dehumidifier comprises the water level detecting water pipe be communicated with tank body, be placed in the float that water level detecting water pipe includes magnetic conductor, and inductance detection module, inductive coil is arranged with outside described water level detecting water pipe, this inductive coil in the equidistant scope of water level detecting water pipe with the mode coiling of the different number of turn, this inductive coil is electrically connected with inductance detection module, float containing magnetic conductor moves up and down along with the change of the water level in tank body, the change that inductance detection module detects inductive coil inductance value realizes water level detecting.
The equidistant scope of described water level detecting water pipe is 3 to 8 millimeters.
The number of turn of described inductive coil is the mode coiling of increasing or decreasing along water level detecting water pipe.
The described float containing permeability magnetic material is cylindrical structure, and cylinder length is 20 to 80 millimeters.
Described inductance detection module comprises oscillatory circuit that inductive coil forms, reference oscillation circuit and data processing centre (DPC), and data processing centre (DPC) is by the oscillatory circuit that forms inductive coil and reference oscillation circuit comparison thus obtain inductance value; Or described inductance detection module comprises exchange current/voltage signal input circuit, voltage/current detection circuit, data processing centre (DPC), by detecting the voltage/current of inductive coil thus obtaining inductance value.
Described water level detecting water pipe diameter from big to small or gradual change from small to large.
Described condensate tank of dehumidifier comprise be communicated with tank body water level detecting water pipe, be placed in float and inductance detection module that water level detecting water pipe includes magnetic conductor, described water level detecting water pipe external spiral is wound with inductive coil, this inductive coil is with the mode coiling of decreasing worm-pitch spiral, this inductive coil is electrically connected with inductance detection module, float containing magnetic conductor moves up and down along with the change of the water level in tank body, and the change that inductance detection module detects inductive coil inductance value realizes water level detecting.
Described pitch is the trend of increasing or decreasing.
The described float containing permeability magnetic material is cylindrical structure, and cylinder length is 20 to 80 millimeters.
Described condensate tank of dehumidifier comprise be attached at tank shell body inductive coil, be placed in float and inductance detection module that water tank includes magnetic conductor, described inductive coil is hanging-ring type and with the mode coiling of number of turn increasing or decreasing, this inductive coil is electrically connected with inductance detection module, float containing magnetic conductor moves up and down along with the change of the water level in water tank, and the change that inductance detection module detects inductive coil inductance value realizes water level detecting.
The beneficial effect that the utility model brings is:
Described inductive coil is formed by continuous print regular coiling of wire, the such as wire number of turn that coiling is different in the equidistant scope of water level detecting water pipe; Or wire is outer with the mode coiling of decreasing worm-pitch at water level detecting water pipe; Or wire turns to ring, the wire number of turn of each ring is different, and utilizes wire self to connect each ring formation suspension ring.
Described inductive coil is that hanging-ring type coiling refers to wire and turns to multiple ring, and utilizes wire self to connect each ring to form suspension ring.
Described condensate tank of dehumidifier includes the inductive coil of rule coiling, this inductive coil is electrically connected with inductance detection module, float containing magnetic conductor moves up and down along with the change of the water level in tank body, the change that inductance detection module detects inductive coil inductance value realizes water level detecting, so, by by different for the inductive coil coiling of the number of turn or the helically coiling of decreasing worm-pitch, containing the float of magnetic conductor in motion process, different positions produces different inductance values, thus can accurate sensed water level continuously, in addition, low by inductive coil sensed water level cost.
The equidistant scope of described water level detecting water pipe is 3 to 8 millimeters.When being equidistantly less than 3 millimeters, be coupled strong between wire, inductance value is very large, thus it is less to cause float to there is the inductance value relative scale increased, and requires to increase, improve cost to the parameters precision of all parts, testing circuit; When being equidistantly greater than 8 millimeters, the disconnected joint of inductive coupling between two spacing, particularly in one end that coiling is sparse, easily occur inductance fluctuation change, accuracy of detection can decrease.
Described inductive coil is the mode coiling of increasing or decreasing along water level detecting water pipe, and so, regular coiling can make the regular change of inductance value, makes detection reliably convenient.
The described float containing permeability magnetic material is cylindrical structure, and cylinder length is 20 to 80 millimeters.The increase of float length, be conducive to improving accuracy of detection, but length is excessive, to easily cause the increase of initial check frequency, meanwhile, the equidistant scope of described water level detecting water pipe is 3 to 8 millimeters, float is crossed over multiple spacing and is made the change of inductance value more obvious, also consider component costs and machining precision in addition, therefore, best cylinder length scope is 20 to 80 millimeters.
Described water level detecting water pipe Diameter Gradual Change, so, inductive coil is along with the change of the diameter of water level detecting water pipe, also the length of wire between two spacing is made to increase further, while number of turn difference causes inductance value to change, the length of wire further changes the change also further increasing inductance value between each spacing, so, inductance value between each spacing increases further, makes detection reliably convenient.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the schematic diagram of water tank first better embodiment of kitchen appliance described in the utility model;
Fig. 2 is the schematic diagram of described inductance detection module;
Fig. 3 is the another kind of scheme schematic diagram of described inductance detection module;
Fig. 4 is the schematic diagram of water tank second better embodiment of kitchen appliance described in the utility model;
Fig. 5 is the schematic diagram of water tank the 3rd better embodiment of kitchen appliance described in the utility model.
The label that in figure, component names is corresponding is as follows:
10, the water tank of kitchen appliance; 11, tank body; 12, condensate tank of dehumidifier; 121, water level detecting water pipe; 122, containing the float of magnetic conductor; 123, inductance detection module; 1231, oscillatory circuit; 1232, reference oscillation circuit; 1233, data processing centre (DPC); 124, inductive coil; 21, inductance detection module; 211, exchange current/voltage signal input circuit; 212, voltage/current detection circuit; 213, data processing centre (DPC); 20, the water tank of kitchen appliance; 31, inductive coil; 30, the water tank of kitchen appliance; 41, inductive coil.
Embodiment
Below in conjunction with drawings and the embodiments, the utility model is described in further detail:
Embodiment one:
Refer to the utility model kitchen appliance shown in Fig. 1 and Fig. 2 the first better embodiment, the water tank 10 of described kitchen appliance comprises tank body 11 and condensate tank of dehumidifier 12, this condensate tank of dehumidifier 12 comprises the water level detecting water pipe 121 be communicated with tank body 11, be placed in the float 122 that water level detecting water pipe 121 includes magnetic conductor, and inductance detection module 123, inductive coil 124 is arranged with outside described water level detecting water pipe 121, this inductive coil 124 in water level detecting water pipe 121 equidistantly scope with the mode coiling of the different number of turn, this inductive coil 124 is electrically connected with inductance detection module 123, float 122 containing magnetic conductor moves up and down along with the change of the water level in tank body 11, the change that inductance detection module 123 detects inductive coil 124 inductance value realizes water level detecting.
In the present embodiment, the number of turn of described inductive coil 124 along water level detecting water pipe 121 in the mode coiling increased progressively, and the equidistant scope of described water level detecting water pipe 121 is 3 to 8 millimeters, when being equidistantly less than 3 millimeters, be coupled between wire strong, inductance value is very large, thus it is less to cause float 122 to there is the inductance value relative scale increased, require to increase to the parameters precision of all parts, testing circuit, improve cost; When being equidistantly greater than 8 millimeters, the disconnected joint of inductive coupling between two spacing, particularly in one end that coiling is sparse, easily occur inductance fluctuation change, accuracy of detection can decrease.Therefore, consider, the equidistant scope of described water level detecting water pipe 121 the best is 3 to 8 millimeters.
In the present embodiment, the described float 122 containing permeability magnetic material is cylindrical structure, and cylinder length is 20 to 80 millimeters, and this float both can be doping magnetic material, also can be comprise magnetic stripe, magnet ring or tie up tape etc.The increase of float 122 length, be conducive to improving accuracy of detection, but length is excessive, to easily cause the increase of initial check frequency, meanwhile, described water level detecting water pipe 121 equidistantly scope is 3 to 8 millimeters, float 122 is crossed over multiple spacing and is made the change of inductance value more obvious, also consider component costs and machining precision in addition, therefore, best cylinder length scope is 20 to 80 millimeters.
Refer to Fig. 2, described inductance detection module 123 comprises oscillatory circuit 1231 that inductive coil 124 forms, reference oscillation circuit 1232 and data processing centre (DPC) 1233, and data processing centre (DPC) 1233 is by the oscillatory circuit 1231 that forms inductive coil 124 and reference oscillation circuit 1232 comparison thus obtain inductance value.
Refer to Fig. 3, described inductance detection module 21 also can be comprise exchange current/voltage signal input circuit 211, voltage/current detection circuit 212, data processing centre (DPC) 213, by detecting the voltage/current of inductive coil 124 thus obtaining inductance value.
Described condensate tank of dehumidifier 12 comprises the inductive coil 124 being equidistantly arranged with the number of turn and increasing progressively, this inductive coil 124 is electrically connected with inductance detection module 123, float 122 containing magnetic conductor moves up and down along with the change of the water level in tank body 11, the change that inductance detection module 123 detects inductive coil 124 inductance value realizes water level detecting, so, by being wound with the inductive coil 124 of the different number of turn, containing the float 122 of magnetic conductor in motion process, different positions produces different inductance values, thus can accurate sensed water level continuously, in addition, low by inductive coil 124 sensed water level cost.
Be appreciated that described detection water pipe diameter from big to small or gradual change from small to large.So, inductive coil is along with the change of the diameter of water level detecting water pipe, also the length of wire between two spacing is made to increase further, while number of turn difference causes inductance value to change, the length of wire further changes the change also further increasing inductance value between each spacing, so, the inductance value between each spacing increases further, makes detection reliably convenient.
Be appreciated that the mode coiling that the number of turn of described inductive coil tapers off along detection water pipe.
Embodiment two:
Refer to the second better embodiment of the water tank of the kitchen appliance of the utility model shown in Fig. 4, the water tank 20 of this kitchen appliance is with the difference of the water tank 10 of kitchen appliance: described water level detecting water pipe 121 external spiral is wound with inductive coil 31, this inductive coil 31 is with the mode coiling of decreasing worm-pitch spiral, this inductive coil 31 is electrically connected with inductance detection module (not shown), float 122 containing magnetic conductor moves up and down along with the change of the water level in tank body 11, and the change that inductance detection module detects inductive coil 31 inductance value realizes water level detecting.
Described pitch can be the trend of increasing or decreasing, in the present embodiment, and the trend that described pitch tapers off.
Described inductive coil 31 is wound on water level detecting water pipe 121 with the trend that pitch is successively decreased, and make simple and convenient, cost is low.
Other structures of present embodiment and beneficial effect are all identical with embodiment one, do not repeat one by one at this.
Embodiment three:
Refer to the 3rd better embodiment of the water tank of the kitchen appliance of the utility model shown in Fig. 5, the water tank 30 of this kitchen appliance is with the difference of the water tank 10 of kitchen appliance: described condensate tank of dehumidifier comprises the inductive coil 41 being attached at tank shell body, be placed in float 122 and inductance detection module (not shown) that tank body 11 includes magnetic conductor, described inductive coil 41 is hanging-ring type and the mode coiling increased progressively with the number of turn, this inductive coil 41 is electrically connected with inductance detection module, float 122 containing magnetic conductor moves up and down along with the change of the water level in tank body 11, the change that inductance detection module detects inductive coil 41 inductance value realizes water level detecting.
So, described inductive coil 41 is directly attached at tank body 11 shell body, thus eliminates water level detecting water pipe, so makes inductive coil 41 coiling more simple and convenient, water quality in addition in tank body 11 can be more clean, can not be subject to the pollution of water level detecting water pipe.
Be appreciated that described inductive coil also can be in hanging-ring type and the mode coiling of successively decreasing with the number of turn.
Other structures of present embodiment and beneficial effect are all identical with embodiment one, do not repeat one by one at this.
Claims (10)
1. the water tank of a kitchen appliance, comprise tank body and condensate tank of dehumidifier, it is characterized in that: described condensate tank of dehumidifier comprises the water level detecting water pipe be communicated with tank body, be placed in the float that water level detecting water pipe includes magnetic conductor, and inductance detection module, inductive coil is arranged with outside described water level detecting water pipe, this inductive coil in the equidistant scope of water level detecting water pipe with the mode coiling of the different number of turn, this inductive coil is electrically connected with inductance detection module, float containing magnetic conductor moves up and down along with the change of the water level in tank body, the change that inductance detection module detects inductive coil inductance value realizes water level detecting.
2. the water tank of kitchen appliance as claimed in claim 1, is characterized in that: the equidistant scope of described water level detecting water pipe is 3 to 8 millimeters.
3. the water tank of kitchen appliance as claimed in claim 1, is characterized in that: the number of turn of described inductive coil is the mode coiling of increasing or decreasing along water level detecting water pipe.
4. the water tank of kitchen appliance as claimed in claim 2, is characterized in that: the described float containing permeability magnetic material is cylindrical structure, and cylinder length is 20 to 80 millimeters.
5. the water tank of kitchen appliance as claimed in claim 1, it is characterized in that: described inductance detection module comprises oscillatory circuit that inductive coil forms, reference oscillation circuit and data processing centre (DPC), data processing centre (DPC) is by the oscillatory circuit that forms inductive coil and reference oscillation circuit comparison thus obtain inductance value; Or described inductance detection module comprises exchange current/voltage signal input circuit, voltage/current detection circuit, data processing centre (DPC), by detecting the voltage/current of inductive coil thus obtaining inductance value.
6. the water tank of kitchen appliance as claimed in claim 1, is characterized in that: described water level detecting water pipe diameter from big to small or gradual change from small to large.
7. the water tank of a kitchen appliance, comprise tank body and condensate tank of dehumidifier, it is characterized in that: described condensate tank of dehumidifier comprises the water level detecting water pipe be communicated with tank body, be placed in the float that water level detecting water pipe includes magnetic conductor, and inductance detection module, described water level detecting water pipe external spiral is wound with inductive coil, this inductive coil is with the mode coiling of decreasing worm-pitch spiral, this inductive coil is electrically connected with inductance detection module, float containing magnetic conductor moves up and down along with the change of the water level in tank body, the change that inductance detection module detects inductive coil inductance value realizes water level detecting.
8. the water tank of kitchen appliance as claimed in claim 7, is characterized in that: described pitch is the trend of increasing or decreasing.
9. the water tank of kitchen appliance as claimed in claim 7, is characterized in that: the described float containing permeability magnetic material is cylindrical structure, and cylinder length is 20 to 80 millimeters.
10. the water tank of a kitchen appliance, comprise tank body and condensate tank of dehumidifier, it is characterized in that: described condensate tank of dehumidifier comprise be attached at tank shell body inductive coil, be placed in float and inductance detection module that water tank includes magnetic conductor, described inductive coil is hanging-ring type and with the mode coiling of number of turn increasing or decreasing, this inductive coil is electrically connected with inductance detection module, float containing magnetic conductor moves up and down along with the change of the water level in water tank, and the change that inductance detection module detects inductive coil inductance value realizes water level detecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284981.2U CN204027659U (en) | 2014-05-30 | 2014-05-30 | The water tank of kitchen appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284981.2U CN204027659U (en) | 2014-05-30 | 2014-05-30 | The water tank of kitchen appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204027659U true CN204027659U (en) | 2014-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420284981.2U Expired - Lifetime CN204027659U (en) | 2014-05-30 | 2014-05-30 | The water tank of kitchen appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204027659U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036682A (en) * | 2017-04-12 | 2017-08-11 | 青岛海尔智能技术研发有限公司 | Water level detection method and device |
-
2014
- 2014-05-30 CN CN201420284981.2U patent/CN204027659U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036682A (en) * | 2017-04-12 | 2017-08-11 | 青岛海尔智能技术研发有限公司 | Water level detection method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Huaiyin District of Ji'nan City, Shandong Province, 250117 US 999 miles Patentee after: JOYOUNG Co.,Ltd. Address before: Xinsha Road, Huaiyin District of Ji'nan city of Shandong Province, No. 12 250118 Patentee before: JOYOUNG Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20141217 |
|
| CX01 | Expiry of patent term |