CN102494446A - Liquid level controller for water tank and ice making device comprising same - Google Patents
Liquid level controller for water tank and ice making device comprising same Download PDFInfo
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- CN102494446A CN102494446A CN2011103987914A CN201110398791A CN102494446A CN 102494446 A CN102494446 A CN 102494446A CN 2011103987914 A CN2011103987914 A CN 2011103987914A CN 201110398791 A CN201110398791 A CN 201110398791A CN 102494446 A CN102494446 A CN 102494446A
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Abstract
The invention provides a liquid level controller for a water tank and an ice making device comprising the same. The liquid level controller comprises a first conductor, a second conductor, a triode and a controller, wherein one end of the first conductor is connected with a voltage source; the first conductor and the second conductor are spaced at a preset distance in a direction perpendicular to a liquid surface; a collector electrode of the triode is connected with the voltage source; a base electrode of the triode is connected with one end of the second conductor; the controller is connected with an emitting electrode of the triode, so as to receive a liquid level signal emitted from the emitting electrode, and judges a liquid level in the water tank according to the liquid level signal; and when the first conductor and the second conductor are both in contact with liquid, the first conductor and the second conductor are conducted, so as to control the conduction of the triode. By using the liquid level controller according to the embodiment, when the first conductor and the second conductor are conducted, the triode is conducted, the liquid level signal is a high level signal, otherwise, the liquid level signal is a low level signal, so as to achieve the accurate automatic control of a water level according to the difference of the liquid level signal and avoid the overflow of water.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, particularly a kind of ice maker that is used for the fluid level controller of water tank and has it.
Background technology
At present, in the ice maker of refrigerator, its ice maker tank can be divided into complete closed formula and open two kinds.Closed tank general needs in use discharges the water in the container earlier, and again through valve control current, open tank generally is to control water level switch time through by-pass valve control.But; Because hydraulic pressure market changes,, cause the interior water yield of tank to be discontented with perhaps probably and overflow through the time control amount of entering; If be that tank can influence the accurate of water level in the unstable area use of hydraulic pressure, and then cause situation such as water shortage or water spill-over go out.
Yet,, and user's use is produced unpredictable influence if the situation that current overflow can damage machine performance because ice maker is used in the refrigerator.Therefore, control the mode that enters the water yield in the tank, obviously can't make accurate control, can not judge, and then possibly cause refrigerator and have a strong impact on water level to the water level of water tank through entering the time.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least.
For this reason; One object of the present invention is to propose a kind of fluid level controller that is used for water tank; This fluid level controller not only can accurately be judged the water level in the water tank, and can automatically when water volume in water tank is not enough, in water tank, supply water, and after water volume in water tank reaches predetermined water level, stops automatically cistern water supply; Prevent the generation that water volume in water tank is not enough or overflow, and then improve the security performance of complete machine.
Another object of the present invention is to propose a kind of ice maker.
To achieve these goals; First aspect present invention embodiment has proposed a kind of fluid level controller that is used for water tank; Comprise first and second conductors; One end of said first conductor links to each other with voltage source, and said first conductor and said second conductor are at the direction interval preset distance perpendicular to liquid surface; Triode, the colelctor electrode of said triode links to each other with said voltage source, and the base stage of said triode links to each other with an end of said second conductor; And controller; Said controller links to each other with the emitter stage of said triode; The liquid level signal that comes from said emitter stage emission with reception; And judge the liquid level in the water tank according to said liquid level signal, wherein, when said first conductor and said second conductor all contact with liquid between said first conductor and said second conductor conducting to control said triode conducting.
The fluid level controller that is used for water tank according to the embodiment of the invention; Through first conductor and second conductor are provided with on preset distance ground in the direction perpendicular to liquid surface at interval; When first conductor and second conductor do not immerse in the liquid simultaneously (liquid is for reaching predetermined altitude); Triode turn-offs, and be low level signal by the liquid level signal that the emitter stage of triode provides to controller this moment, and when first conductor and second conductor immerse in the liquid simultaneously (liquid is for reaching predetermined altitude); Because glassware for drinking water has electric conductivity; Making wins forms the loop between the conductor and second conductor, and then control triode conducting, and be high level signal by the liquid level signal that the emitter stage of triode provides to controller this moment; Whether controller judges liquid full (reaching the preset water level height) according to the difference of liquid level signal, and then has realized accurately and automatically judging liquid level.
In addition, the fluid level controller that is used for water tank according to the above embodiment of the present invention can also have following additional technical characterictic:
In one embodiment of the invention, the said fluid level controller that is used for water tank also comprises: biasing circuit, said biasing circuit comprise a biasing resistor at least, and said biasing resistor is used to control the magnitude of voltage that is applied on the said base stage.
In one embodiment of the invention, the emitter stage of said triode links to each other with ground through first resistance.
In one embodiment of the invention, between end of said first conductor and said voltage source, be in series with second resistance.
In one embodiment of the invention, said first and second conductors are metal conductor rod, and an end of said first and second conductors all is set to positive plug terminal.
Second aspect present invention embodiment has proposed a kind of ice maker, comprising: water tank, said water tank are used in the ice box of said ice maker, supplying water; Fluid level controller; Said fluid level controller is the fluid level controller that is used for water tank in the foregoing description; The other end of first and second conductors of said fluid level controller all is arranged in the said water tank; And the other end of one of them of said first or second conductor is higher than another the other end in the horizontal direction, and wherein, an end in the vertical direction of said first and second conductors all is higher than the other end of said first and second conductors; Water valve, said water valve are used in said water tank, supplying water, and said water valve links to each other with said controller and moves with the control signal according to said controller.
Ice maker according to the embodiment of the invention; Whether the water level of judging in the water tank according to liquid level signal when controller reaches predetermined altitude; (first conductor and second conductor do not immerse in the liquid simultaneously when judging water level and do not reach predetermined altitude; Break off between the two), controller transmits control signal and automatically controls the water valve unlatching, and then supplies water in water tank through water valve.When judging water level and reach predetermined altitude (first conductor and second conductor immerse in the liquid simultaneously, conducting between the two), controller transmits control signal and automatically controls water valve and turn-off, and then stops in water tank, to supply water.Thereby avoided the water in the water tank to overflow, improved the security of complete machine (refrigerator).
In addition, ice maker according to the above embodiment of the present invention can also have following additional technical characterictic:
In one embodiment of the invention, said first and second conductors are buckled on the inwall of said water tank.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is the structure chart of the fluid level controller that is used for water tank of one embodiment of the invention;
Fig. 2 is the circuit diagram of the fluid level controller that is used for water tank of one embodiment of the invention;
Fig. 3 A is the front view of first conductor of the fluid level controller that is used for water tank of one embodiment of the invention; And
Fig. 3 B is the side view of first conductor shown in Fig. 3 A.
The specific embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention; It will be appreciated that; The orientation of indications such as term " " center ", " vertically ", " laterally ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward " or position relation are for based on orientation shown in the drawings or position relation; only be to describe with simplifying for the ease of describing the present invention; rather than the device or the element of indication or hint indication must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, need to prove that only if clear and definite regulation and qualification are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly through intermediary, can be the connection of two element internals.For those of ordinary skill in the art, can concrete condition understand above-mentioned term concrete implication in the present invention.
Below in conjunction with accompanying drawing the fluid level controller that is used for water tank according to the embodiment of the invention is described at first.
With reference to figure 1 and Fig. 2, comprise first conductor 110, second conductor 120, triode 141 and controller 170 according to the fluid level controller that is used for water tank of the embodiment of the invention.
Wherein, control circuit 140 as shown in fig. 1 mainly is made up of triode 141 and other components and parts.Other formations of its control circuit 140 will be done concrete introduction in following examples.
One end of first conductor 110 links to each other with voltage source 130, and first conductor 110 and second conductor 120 are at the direction interval preset distance perpendicular to liquid surface.Need to prove that first conductor 110 and second conductor 120 must be spaced apart, prevent that promptly both from directly contacting the formation conducting.In one embodiment of the invention, voltage source 130 is+the 5V direct voltage source, but embodiments of the invention are not limited to this, can change the magnitude of voltage of voltage source 130 as the case may be.
The colelctor electrode C of triode 141 links to each other with voltage source 130, and the base stage G of triode 141 links to each other with an end of second conductor 120.
The fluid level controller that is used for water tank according to the embodiment of the invention; Through first conductor 110 and second conductor 120 are provided with on preset distance ground in the direction perpendicular to liquid surface at interval; When first conductor 110 and second conductor 120 do not immerse in the liquid simultaneously (liquid is for reaching predetermined altitude); Triode 141 turn-offs (colelctor electrode C and emitter E are turn-offed); Be low level signal by the liquid level signal that the emitter E of triode provides to controller 170 this moment, and when first conductor 110 and second conductor 120 immerse in the liquid simultaneously (liquid is for reaching predetermined altitude, position as shown in Figure 2); Because glassware for drinking water has electric conductivity; Making wins forms the loop between the conductor 110 and second conductor 120, to the base stage G of triode 141 high level signal is provided through first conductor 110 and second conductor 120 by voltage source, and then 141 conductings of control triode; Be high level signal by the liquid level signal that the emitter E of triode 141 provides to controller 170 this moment; Whether controller 170 judges liquid full (reaching the preset water level height, the position when promptly first conductor 110 and second conductor 120 can immerse liquid simultaneously) according to the difference of liquid level signal, and then has realized accurately and automatically judging liquid level.
As shown in Figure 2, one embodiment of the present of invention also comprise biasing circuit, and biasing circuit comprises a biasing resistor R3 at least, and biasing resistor R3 is used to control the magnitude of voltage that is applied on the base stage G.
Combine Fig. 2 once more, between end of first conductor 110 and voltage source 130, also be in series with second resistance R 2, so that first conductor is carried out dividing potential drop.
Need to understand, in other example of the present invention, the position of first conductor 110 and second conductor 120 can exchange, and promptly an end of second conductor 120 links to each other with voltage source 130, and an end of first conductor 110 links to each other with the base stage G of triode 141, is without loss of generality equally.
As depicted in figs. 1 and 2, of the present invention one progressive embodiment has also proposed a kind of ice maker, comprises water tank 150, fluid level controller and water valve 160.
Ice maker according to the embodiment of the invention; Whether the water level of judging according to liquid level signal in the water tank 150 when controller 170 reaches predetermined altitude; (first conductor 110 and second conductor 120 do not immerse in the liquid simultaneously when judging water level and do not reach predetermined altitude; Break off between the two), controller 170 transmits control signal and automatically controls water valve 160 unlatchings, and then supplies water in water tank 150 through water valve 160.When judging water level and reach predetermined altitude (first conductor 110 and second conductor 120 immerse in the liquid conducting between the two simultaneously), controller 170 transmits control signal and automatically controls water valve 160 and turn-off, and then stops in water tank 150, to supply water.Thereby avoided the water in the water tank 150 to overflow, improved the security of complete machine (refrigerator).
Wherein, first conductor 110 and second conductor 120 are buckled on the inwall of water tank 150.Can certainly be fixed in the water tank through alternate manners such as connectors.The present invention is to this not restriction.
Other formations and operation for ice maker all are known for a person skilled in the art, do not do detailed description at this.
Can realize according to an embodiment of the invention water level is judged accurately, can carry out accurately control automatically to the water yield simultaneously, avoid water level to overflow.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described embodiments of the invention; Those having ordinary skill in the art will appreciate that: under the situation that does not break away from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is claim and be equal to and limit.
Claims (7)
1. a fluid level controller that is used for water tank is characterized in that, comprising:
First and second conductors, an end of said first conductor links to each other with voltage source, and said first conductor and said second conductor are at the direction interval preset distance perpendicular to liquid surface;
Triode, the colelctor electrode of said triode links to each other with said voltage source, and the base stage of said triode links to each other with an end of said second conductor; With
Controller, said controller links to each other with the emitter stage of said triode, comes from the liquid level signal that said emitter stage is launched with reception, and judges the liquid level in the water tank according to said liquid level signal,
Wherein, when said first conductor and said second conductor all contact with liquid between said first conductor and said second conductor conducting to control said triode conducting.
2. the fluid level controller that is used for water tank according to claim 1 is characterized in that, also comprises:
Biasing circuit, said biasing circuit comprise a biasing resistor at least, and said biasing resistor is used to control the magnitude of voltage that is applied on the said base stage.
3. the fluid level controller that is used for water tank according to claim 1 is characterized in that the emitter stage of said triode links to each other with ground through first resistance.
4. the fluid level controller that is used for water tank according to claim 1 is characterized in that, between end of said first conductor and said voltage source, is in series with second resistance.
5. according to each described fluid level controller that is used for water tank of claim 1-4, it is characterized in that said first and second conductors are metal conductor rod, and an end of said first and second conductors all is set to positive plug terminal.
6. an ice maker is characterized in that, comprising:
Water tank, said water tank are used in the ice box of said ice maker, supplying water;
Fluid level controller; Said fluid level controller is like each described fluid level controller that is used for water tank of claim 1-5; The other end of first and second conductors of said fluid level controller all is arranged in the said water tank; And the other end of one of them of said first or second conductor is higher than another the other end in the horizontal direction, and wherein, an end in the vertical direction of said first and second conductors all is higher than the other end of said first and second conductors;
Water valve, said water valve are used in said water tank, supplying water, and said water valve links to each other with said controller and moves with the control signal according to said controller.
7. ice maker according to claim 6 is characterized in that, said first and second conductors are buckled on the inwall of said water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103987914A CN102494446A (en) | 2011-12-05 | 2011-12-05 | Liquid level controller for water tank and ice making device comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103987914A CN102494446A (en) | 2011-12-05 | 2011-12-05 | Liquid level controller for water tank and ice making device comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102494446A true CN102494446A (en) | 2012-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103987914A Pending CN102494446A (en) | 2011-12-05 | 2011-12-05 | Liquid level controller for water tank and ice making device comprising same |
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| Country | Link |
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| CN (1) | CN102494446A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105778240A (en) * | 2016-05-05 | 2016-07-20 | 日丰科技有限公司 | Chlorine-resistant polyethylene pipe and production method thereof |
| CN106821087A (en) * | 2017-03-03 | 2017-06-13 | 珠海益凯尔电子科技有限公司 | Infrared automatic liquid soap machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6162907A (en) * | 1984-09-05 | 1986-03-31 | Hoshizaki Electric Co Ltd | Liquid level controller |
| JPS6162908A (en) * | 1984-09-05 | 1986-03-31 | Hoshizaki Electric Co Ltd | Liquid level controller |
| CN201583081U (en) * | 2009-12-31 | 2010-09-15 | 陈越鹏 | Ice making machine |
| CN102147624A (en) * | 2011-05-17 | 2011-08-10 | 刘昭利 | Water level controller with two detecting lines |
-
2011
- 2011-12-05 CN CN2011103987914A patent/CN102494446A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6162907A (en) * | 1984-09-05 | 1986-03-31 | Hoshizaki Electric Co Ltd | Liquid level controller |
| JPS6162908A (en) * | 1984-09-05 | 1986-03-31 | Hoshizaki Electric Co Ltd | Liquid level controller |
| CN201583081U (en) * | 2009-12-31 | 2010-09-15 | 陈越鹏 | Ice making machine |
| CN102147624A (en) * | 2011-05-17 | 2011-08-10 | 刘昭利 | Water level controller with two detecting lines |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105778240A (en) * | 2016-05-05 | 2016-07-20 | 日丰科技有限公司 | Chlorine-resistant polyethylene pipe and production method thereof |
| CN105778240B (en) * | 2016-05-05 | 2018-11-06 | 日丰科技有限公司 | A kind of chlorine-resistant polyethylene pipe and preparation method thereof |
| CN106821087A (en) * | 2017-03-03 | 2017-06-13 | 珠海益凯尔电子科技有限公司 | Infrared automatic liquid soap machine |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 230601 Hefei Changjiang Road, Anhui, No. 669 Applicant after: Hefei Midea Refrigerator Co., Ltd. Applicant after: Hefei Hualing Co., Ltd. Address before: 230601 Hefei Changjiang Road, Anhui, No. 669 Applicant before: Hefei Media Rongshida Refrigerator Co., Ltd. Applicant before: Hefei Hualing Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: HEFEI MEDIA RONGSHIDA REFRIGERATOR CO., LTD. TO: HEFEI MIDEA REFRIGERATORCO., LTD. |
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120613 |