CN109084481A - Liquid level switch, water heater and control method of water heater - Google Patents
Liquid level switch, water heater and control method of water heater Download PDFInfo
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- CN109084481A CN109084481A CN201810756224.3A CN201810756224A CN109084481A CN 109084481 A CN109084481 A CN 109084481A CN 201810756224 A CN201810756224 A CN 201810756224A CN 109084481 A CN109084481 A CN 109084481A
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- 239000007788 liquid Substances 0.000 title claims abstract description 189
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000007689 inspection Methods 0.000 claims description 5
- 235000013399 edible fruits Nutrition 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000003020 moisturizing effect Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000008236 heating water Substances 0.000 description 3
- 208000033748 Device issues Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Non-Electrical Variables (AREA)
Abstract
The invention discloses a liquid level switch, a water heater and a control method of the water heater, wherein the liquid level switch comprises a liquid level switch body arranged in a liquid container, a closed loop arranged on the liquid level switch body, and a signal detection device which is arranged outside the liquid container and connected with the closed loop, wherein the signal detection device judges whether the liquid level switch body is neglected to be installed or disconnected according to a closed signal fed back by the closed loop. So set up, if signal detection device does not detect the closed signal of closed loop feedback, then judge for liquid level switch neglected loading or open circuit to solve the problem that can't judge whether there is liquid level switch neglected loading or the situation of opening circuit, satisfied the original purpose of design and user's demand, resources are saved.
Description
Technical field
The present invention relates to liquid-level switch technical fields, more specifically to a kind of liquid-level switch, water heater and water heater
Control method.
Background technique
In water heater engineering generally using to liquid-level switch include float type level switch and electric pole type liquid-level switch,
Wherein electric pole type liquid-level switch judges heating water tank water level height by different height electrode Riddled Condition.Water heater passes through identification
Heating water tank water level controls unit heat mode.When judgement is in low water level state, unit will use directly-heated heating mode
The moisturizing into water tank, until water tank can just be switched to circulating-heating mode when reaching high water level state, hot water device is according to liquid level
The water level of switch judges to control heating mode.
But in project installation on the spot, it is understood that there may be the situation of liquid-level switch neglected loading or open circuit, water heater will at this time
Judge that heating water tank is in low water level state always, unit uses directly-heated heating mode to continue moisturizing to water tank, leads to water tank
Spilling water is unsatisfactory for original design intention, reduces users'comfort, waste of resource.Therefore, how to solve that liquid level can not be judged whether there is
The problem of switching neglected loading or breaking situation, becomes those skilled in the art's important technological problems to be solved.
Summary of the invention
The purpose of the present invention is to provide the control method of a kind of liquid-level switch, water heater and water heater, solving can not
The problem of judging whether there is liquid-level switch neglected loading or breaking situation is improved users'comfort, is kept away to meet design requirement
Exempt from waste of resource etc..
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of liquid-level switch provided by the invention, comprising:
The liquid-level switch ontology being mounted in liquid container；
Closed circuit on the liquid-level switch ontology is set；
The signal supervisory instrument that the outside of the liquid container is set and is connected with the closed circuit, the letter
Number detection device according to the closure signal of the closed loop feedback judge the liquid-level switch ontology whether neglected loading or open circuit.
Preferably, the closed circuit includes two signal lines, and the first end of two signal wires is closed connection, and two
The second end of signal wire described in item and the signal supervisory instrument are conductively connected.
Preferably, the closed circuit includes two electrode tips, and the first end of two electrode tips is closed connection, and two
The second end of a electrode tip is conductively connected by signal wire and the signal supervisory instrument.
It preferably, further include the suggestion device that can be communicated to connect with the signal supervisory instrument, when the signal detection fills
When setting the closure signal that the closed loop feedback is not detected, the suggestion device, which issues, indicates described this body drain of liquid-level switch
Dress or the prompt information of open circuit.
Preferably, the liquid-level switch is electric pole type liquid-level switch, and the liquid-level switch ontology is at least provided with a use
In the electrode of detection liquid level, each electrode generates second signal when generating the first signal when immersing liquid, do not immerse liquid.
Preferably, the electrode is multiple, and is arranged at intervals on the different height of the liquid-level switch ontology.
Preferably, the closed circuit runs through the liquid-level switch sheet from the head end of the liquid-level switch ontology to tail end
Body.
Preferably, the closed circuit stretches out in the tail end of the liquid-level switch ontology.
Preferably, the head end of the liquid-level switch ontology is equipped with the connector being conductively connected with the signal supervisory instrument,
The closed circuit is connected with the connector.
Preferably, each electrode is connected by lead with the connector.
The present invention also provides a kind of water heaters, including water tank and the liquid-level switch being arranged in the water tank, the liquid
Bit switch is described in any item liquid-level switches as above.
The present invention also provides a kind of control method of water heater, the water heater is provided with described in any item liquid as above
Bit switch, comprising:
Whether detection closed circuit has feedback closure signal；
If it is not, then prompt liquid-level switch ontology neglected loading or open circuit.
Preferably, the prompt liquid-level switch ontology neglected loading or open circuit indicate that the liquid level is opened by prompt " no water level "
Close ontology neglected loading or open circuit.
Preferably, if the closed loop feedback closure signal is not detected, described this body drain of liquid-level switch is prompted
It dress or open circuit and controls the water heater and remains turned off state.
The present invention also provides a kind of control method of water heater, the water heater is provided with described in any item liquid as above
Bit switch, comprising:
Whether detection closed circuit has feedback closure signal；
If it is not, then prompt liquid-level switch ontology neglected loading or open circuit；
If it is, the signal condition that detecting electrode generates；
Corresponding water level detecting result is exported according to the signal condition.
Preferably, the electrode includes at least upper electrode and the lower part being oppositely arranged below upper electrode electricity
Pole, exporting corresponding water level detecting result according to the signal condition includes:
If the signal that the signal of the upper electrode is second signal and the lower electrode is second signal, export
Water level detecting result be low water level；
If the signal that the signal of the upper electrode is second signal and the lower electrode is the first signal, export
Water level detecting result be middle water level；
If the signal that the signal of the upper electrode is the first signal and the lower electrode is the first signal, export
Water level detecting result be high water level；
If the signal that the signal of the upper electrode is the first signal and the lower electrode is second signal, export
Water level detecting result be water level failure.
In technical solution provided by the invention, a kind of liquid-level switch includes the liquid-level switch sheet being mounted in liquid container
The closed circuit on liquid-level switch ontology is arranged in body, and the outside of liquid container is arranged in and is connected with closed circuit
Signal supervisory instrument, signal supervisory instrument according to the closure signal of closed loop feedback judge liquid-level switch ontology whether neglected loading
Or open circuit.So set, being judged as liquid-level switch if the closure signal of closed loop feedback is not detected in signal supervisory instrument
Neglected loading or open circuit；If signal supervisory instrument detects the closure signal of closed loop feedback, it is judged as that liquid-level switch is normally made
Industry；To avoid waste of resource, meet design requirement, improve users'comfort, guarantees use reliability, solving can not judge
The problem of with the presence or absence of the situation of liquid-level switch neglected loading or open circuit.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of liquid-level switch in the embodiment of the present invention.
In Fig. 1:
Liquid-level switch ontology -1, electrode -3, first electrode head -4, second electrode head -5, connector -6, draws signal wire -2
Line -7.
Specific embodiment
Present embodiment provides the control method of a kind of liquid-level switch, water heater and water heater, and solving can not
The problem of judging whether there is liquid-level switch neglected loading or breaking situation is improved users'comfort, is kept away to meet design requirement
Exempt from waste of resource etc..
Hereinafter, elaborating in conjunction with attached drawing to embodiment.In addition, embodiments illustrated below is not remembered claim
The content of the invention of load plays any restriction effect.In addition, the full content of composition represented by following example is not limited to conduct
Necessary to the solution of the invention described in the claims.
Please refer to attached drawing 1, liquid-level switch provided in this embodiment, including the liquid-level switch ontology being mounted in liquid container
1, the closed circuit on liquid-level switch ontology 1 is set, and the outside of liquid container is arranged in and is connected with closed circuit
Signal supervisory instrument.Wherein, signal supervisory instrument judges that liquid-level switch ontology 1 is according to the closure signal of closed loop feedback
No neglected loading or open circuit.So set, being judged as liquid if the closure signal of closed loop feedback is not detected in signal supervisory instrument
Bit switch neglected loading or open circuit；If signal supervisory instrument detects the closure signal of closed loop feedback, it is judged as liquid-level switch
It works normally；To solve the problems, such as that the situation of liquid-level switch neglected loading or open circuit can not be judged whether there is, avoid because of liquid level
It switchs neglected loading or open circuit and leads to the wasting of resources, be unsatisfactory for design requirement, influence user's comforts of use and reliability etc..
In some embodiments, closed circuit includes two signal lines 2.The first end of two signal lines 2, which is closed, to be connected, and second
End is conductively connected with signal supervisory instrument.It is completely closed so set, two signal lines form one with signal supervisory instrument
Circuit is closed, so that signal supervisory instrument receives the closure signal of its feedback, and then judges that liquid-level switch whether there is.
In some embodiments, closed circuit includes two electrode tips.The first end of two electrode tips is closed connection, second end
It is conductively connected by signal wire 2 and signal supervisory instrument.In this way, signal supervisory instrument, signal wire, electrode tip are connected as
One closed circuit, for judging that liquid-level switch whether there is.
In some embodiments, further includes the suggestion device that can be communicated to connect with signal supervisory instrument, work as signal supervisory instrument
When the closure signal of closed loop feedback is not detected, suggestion device issue indicate 1 neglected loading of liquid-level switch ontology or open circuit mention
Show information.It designs in this way, when engineering neglected loading or breaking liquid-level switch, fault cues can be issued immediately, play warning alert
Effect.
In some embodiments, liquid-level switch is electric pole type liquid-level switch, the liquid-level switch ontology 1 of electric pole type liquid-level switch to
It is provided with one less for detecting the electrode 3 of liquid level.Optionally, as shown in Figure 1, electrode 3 includes first electrode head 4 and the second electricity
Cartridge 5 can obtain the variation of electric after-potential difference to determine whether immersing in liquid according to it.Each electrode 3 generates when immersing liquid
First signal generates second signal when not immersing liquid.Optionally, the first signal is set as strong signal, and characterization electrode 3 immerses liquid
In；Second signal is set as weak signal, and characterization electrode 3 does not immerse in liquid.So set, the unlike signal that can be generated according to electrode
Judge whether it immerses in liquid, and then determines height of liquid level.
In some embodiments, electrode 3 is multiple, and is arranged at intervals on the different height of liquid-level switch ontology 1.Optionally,
The quantity of electrode 3 is four.In this way, level sensing can be made more accurate, detailed.
In some embodiments, closed circuit runs through liquid-level switch ontology 1 from the head end of liquid-level switch ontology 1 to tail end.This
Sample design, closed circuit to its end, avoid liquid-level switch open circuit and closed circuit remains to feed back through liquid-level switch ontology
The case where closure signal, occurs, and improves the reliability of liquid-level switch.It should be noted that liquid-level switch ontology mentioned above
" head end " " tail end " meaning when referring to liquid-level switch placement state as shown in Figure 1, i.e., upper end is liquid-level switch sheet in figure
The head end of body, lower end is the tail end of liquid-level switch ontology in figure.
In the preferred embodiment of the present embodiment, closed circuit stretches out in the tail end of liquid-level switch ontology 1, and its exterior is equipped with packets
Whether covering layer, closed circuit immerse in liquid, will not influence closed loop feedback closure signal.
In some embodiments, the head end of liquid-level switch ontology 1 is equipped with the connector 6 being conductively connected with signal supervisory instrument,
Closed circuit is connected with connector 6.Each electrode 3 is connected by lead 7 with connector 6.Optionally, connector 6 includes
The interface that can be plugged on signal supervisory instrument.So, closed circuit, electrode pass through connector and signal supervisory instrument
It is conductively connected, the signal that signal supervisory instrument can detect the closure signal of closed loop feedback and electrode generates, for judging
Liquid-level switch whether neglected loading or open circuit, and further determine that height of liquid level.
A kind of water heater is additionally provided in the present embodiment, including water tank and the liquid-level switch being arranged in water tank, above-mentioned liquid
Bit switch is liquid-level switch described in embodiment as above.So set, can judge liquid-level switch whether neglected loading or open circuit, keep away
Exempt from liquid-level switch neglected loading or open circuit when, water tank continue moisturizing and lead to spilling water, enhance the accuracy of liquid-level switch, ensure that heat
The reliability that hydrophone uses.
A kind of control method of water heater is additionally provided in the present embodiment, above-mentioned water heater is provided in embodiment as above
Liquid-level switch, comprising:
Whether detection closed circuit has feedback closure signal；
If closed loop feedback closure signal is not detected, 1 neglected loading of liquid-level switch ontology or open circuit are prompted.
In some embodiments, 1 neglected loading of liquid-level switch ontology or open circuit are prompted, is indicated by prompt " no water level ".In this way
Setting, it is simple and clear, convenient for identification, by mark can at the first time clear liquid-level switch ontology whether neglected loading or open circuit.
In some embodiments, if closed loop feedback closure signal is not detected, 1 neglected loading of liquid-level switch ontology is prompted
Or it open circuit and controls water heater and remains turned off state.So set, liquid-level switch event can not only quoted at the first time
Barrier can also control water heater shutdown, it is ensured that equipment cannot be started up.
A kind of control method of water heater is additionally provided in the present embodiment, above-mentioned water heater is provided in embodiment as above
Electric pole type liquid-level switch, comprising:
Whether detection closed circuit has feedback closure signal；
If closed loop feedback closure signal is not detected, 1 neglected loading of liquid-level switch ontology or open circuit are prompted；
If detecting closed loop feedback closure signal, the signal condition of the generation of detecting electrode 3；
Corresponding water level detecting result is exported according to the signal condition of electrode 3.
In some embodiments, electrode 3 is including at least upper electrode and the lower electrode being oppositely arranged below upper electrode.
Exporting corresponding water level detecting result according to the signal condition of electrode 3 includes:
If the signal that the signal of upper electrode is second signal and lower electrode is second signal, the water level inspection that exports
Survey result is low water level；
If the signal that the signal of upper electrode is second signal and lower electrode is the first signal, the water level inspection that exports
Survey result is middle water level；
If the signal that the signal of upper electrode is the first signal and lower electrode is the first signal, the water level inspection that exports
Survey result is high water level；
If the signal that the signal of upper electrode is the first signal and lower electrode is second signal, the water level inspection that exports
Survey result is water level failure.
In some embodiments, when sensed water level, detection two electrodes 3 such as upper electrode and lower electrode can be not limited only to
Signal condition can also detect more electrodes 3, and the result of such water level detecting will be more accurate, detailed.
Content combines above-mentioned each embodiment below, liquid-level switch is specifically described, the preferred side of the present embodiment
Liquid-level switch includes the liquid-level switch ontology 1 being mounted in liquid container in case, and the closure being arranged on liquid-level switch ontology 1 is returned
Road, and the signal supervisory instrument that the outside of liquid container is set and is connected with closed circuit, wherein signal detection dress
Set according to the closure signal of closed loop feedback judge liquid-level switch ontology 1 whether neglected loading or open circuit；Further include and signal detection
The suggestion device that device can communicate to connect is prompted when the closure signal of closed loop feedback is not detected in signal supervisory instrument
Device issues the prompt information for indicating 1 neglected loading of liquid-level switch ontology or open circuit.
In this embodiment, liquid-level switch is electric pole type liquid-level switch, and the liquid-level switch ontology 1 of electric pole type liquid-level switch is set
For detecting the electrode 3 of liquid level there are four setting, and it is arranged at intervals on the different height of liquid-level switch ontology 1, electrode 3 includes first
Electrode tip 4 and second electrode head 5 can obtain the variation of electric after-potential difference to determine whether immersing in liquid according to it.Each electrode 3
Weak signal is generated when generating strong signal when immersing liquid, not immersing liquid.
In this embodiment, the head end of liquid-level switch ontology 1 is equipped with the connector 6 being conductively connected with signal supervisory instrument,
Closed circuit is connected with connector 6.Closed circuit include two signal lines 2, two signal lines 2 first end closure connection,
Second end is conductively connected by connector 6 and signal supervisory instrument.Each electrode 3 is connected by lead 7 with connector 6, into
And it is conductively connected with signal supervisory instrument.Two signal lines 2 run through liquid-level switch sheet from the head end of liquid-level switch ontology 1 to tail end
Body 1, and stretch out in the tail end of liquid-level switch ontology 1.
So set, liquid-level switch provided in this embodiment, can be sentenced by detecting the closure signal of closed loop feedback
Disconnected liquid-level switch whether neglected loading or open circuit, to solve the situation that can not judge whether there is liquid-level switch neglected loading or open circuit
Problem, avoid causing because of liquid-level switch neglected loading or open circuit the wasting of resources, be unsatisfactory for design requirement, influence user use it is comfortable
Degree and reliability etc..
The present embodiment additionally provides a kind of water heater, including water tank and the liquid-level switch being arranged in water tank, above-mentioned liquid level
Switch is liquid-level switch described in embodiment as above.So set, can judge liquid-level switch whether neglected loading or open circuit, avoid
Liquid-level switch neglected loading or open circuit when, water tank continue moisturizing and lead to spilling water, enhance the accuracy of liquid-level switch, ensure that hot water
The reliability that device uses.The derivation process of beneficial effect brought by the derivation process of the beneficial effect and above-mentioned liquid-level switch is big
Cause similar, therefore details are not described herein.
The present embodiment additionally provides a kind of control method of water heater, wherein above-mentioned water heater is provided with embodiment as above
In electric pole type liquid-level switch, the setting of electric pole type liquid-level switch is any to select two of them electrode 3 there are four electrode 3, according to it
Relative position in water tank respectively corresponds as upper electrode and lower electrode；Include:
Whether detection closed circuit has feedback closure signal；
If closed loop feedback closure signal is not detected, prompt " no water level ", indicates 1 neglected loading of liquid-level switch ontology
Or open circuit, and control water heater and remain turned off state；
If detecting closed loop feedback closure signal, the signal shape that upper electrode and lower electrode generate is detected
State；
If the signal that the signal of upper electrode is weak signal and lower electrode is weak signal, the water level detecting knot exported
Fruit is low water level；
If the signal that the signal of upper electrode is weak signal and lower electrode is strong signal, the water level detecting knot exported
Fruit is middle water level；
If the signal that the signal of upper electrode is strong signal and lower electrode is strong signal, the water level detecting knot exported
Fruit is high water level；
If the signal that the signal of upper electrode is strong signal and lower electrode is weak signal, the water level detecting knot exported
Fruit is water level failure.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (16)
1. a kind of liquid-level switch characterized by comprising
The liquid-level switch ontology (1) being mounted in liquid container；
Closed circuit on the liquid-level switch ontology (1) is set；
The signal supervisory instrument that the outside of the liquid container is set and is connected with the closed circuit, the signal inspection
Survey device according to the closure signal of the closed loop feedback judge the liquid-level switch ontology (1) whether neglected loading or open circuit.
2. liquid-level switch as described in claim 1, which is characterized in that the closed circuit includes two signal lines (2), and two
The first end of the signal wire (2) is closed connection, and the second end of two signal wires (2) is led with the signal supervisory instrument
Electrical connection.
3. liquid-level switch as described in claim 1, which is characterized in that the closed circuit includes two electrode tips, two institutes
The first end closure connection of electrode tip is stated, and the second end of two electrode tips passes through signal wire (2) and the signal detection
Device is conductively connected.
4. liquid-level switch as described in claim 1, which is characterized in that further include that can be communicated to connect with the signal supervisory instrument
Suggestion device, when the closure signal of the closed loop feedback is not detected in the signal supervisory instrument, prompt dress
Set the prompt information for issuing and indicating liquid-level switch ontology (1) neglected loading or open circuit.
5. liquid-level switch according to any one of claims 1-4, which is characterized in that the liquid-level switch is that electric pole type liquid level is opened
It closes, the liquid-level switch ontology (1) at least provided with one for detecting the electrode (3) of liquid level, immerse by each electrode (3)
Second signal is generated when generating the first signal when liquid, not immersing liquid.
6. liquid-level switch as claimed in claim 5, which is characterized in that the electrode (3) is multiple, and is arranged at intervals on described
The different height of liquid-level switch ontology (1).
7. liquid-level switch as claimed in claim 5, which is characterized in that the closed circuit is from the liquid-level switch ontology (1)
Head end to tail end run through the liquid-level switch ontology (1).
8. liquid-level switch as claimed in claim 7, which is characterized in that the closed circuit stretches out in the liquid-level switch ontology
(1) tail end.
9. liquid-level switch as claimed in claim 5, which is characterized in that the head end of the liquid-level switch ontology (1) is equipped with and institute
The connector (6) of signal supervisory instrument conductive connection is stated, the closed circuit is connected with the connector (6).
10. liquid-level switch as claimed in claim 9, which is characterized in that each electrode (3) by lead (7) with it is described
Connector (6) is connected.
11. a kind of water heater, including water tank and the liquid-level switch being arranged in the water tank, which is characterized in that the liquid level is opened
It closes as such as the described in any item liquid-level switches of claim 1-10.
12. a kind of control method of water heater, the water heater setting is opened just like the described in any item liquid levels of claim 1-10
It closes characterized by comprising
Whether detection closed circuit has feedback closure signal；
If it is not, then prompt liquid-level switch ontology (1) neglected loading or open circuit.
13. control method as claimed in claim 12, which is characterized in that prompt liquid-level switch ontology (1) neglected loading is disconnected
Road indicates liquid-level switch ontology (1) neglected loading or open circuit by prompt " no water level ".
14. control method as claimed in claim 12, which is characterized in that if the closed loop feedback closure is not detected
Signal, then prompt liquid-level switch ontology (1) neglected loading or open circuit and control the water heater to remain turned off state.
15. a kind of control method of water heater, the water heater setting is opened just like the described in any item liquid levels of claim 5-10
It closes characterized by comprising
Whether detection closed circuit has feedback closure signal；
If it is not, then prompt liquid-level switch ontology (1) neglected loading or open circuit；
If it is, the signal condition that detecting electrode (3) generates；
Corresponding water level detecting result is exported according to the signal condition.
16. control method as claimed in claim 15, which is characterized in that the electrode (3) includes at least upper electrode and phase
To the lower electrode being arranged in below the upper electrode, corresponding water level detecting result packet is exported according to the signal condition
It includes:
If the signal that the signal of the upper electrode is second signal and the lower electrode is second signal, the water exported
Position testing result is low water level；
If the signal that the signal of the upper electrode is second signal and the lower electrode is the first signal, the water exported
Position testing result is middle water level；
If the signal that the signal of the upper electrode is the first signal and the lower electrode is the first signal, the water exported
Position testing result is high water level；
If the signal that the signal of the upper electrode is the first signal and the lower electrode is second signal, the water exported
Position testing result is water level failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810756224.3A CN109084481A (en) | 2018-07-11 | 2018-07-11 | Liquid level switch, water heater and control method of water heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810756224.3A CN109084481A (en) | 2018-07-11 | 2018-07-11 | Liquid level switch, water heater and control method of water heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161668A (en) * | 2020-08-25 | 2021-01-01 | 山东中车华腾环保科技有限公司 | Water tank liquid level detection system, water tank system, method and application |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499764A (en) * | 2013-10-14 | 2014-01-08 | 奇瑞汽车股份有限公司 | Car door wiring harness plug-in detection equipment |
| CN104615560A (en) * | 2013-11-05 | 2015-05-13 | 三星电子株式会社 | Electronic device and method of checking connected state of signal line thereof |
| CN105004063A (en) * | 2015-07-21 | 2015-10-28 | 珠海格力电器股份有限公司 | Water supplementing control method and device and water heater |
| CN106841897A (en) * | 2016-12-29 | 2017-06-13 | 滁州品之达电器科技有限公司 | A kind of electric vehicle high-tension apparatus connection detection circuit |
| CN208652929U (en) * | 2018-07-11 | 2019-03-26 | 珠海格力电器股份有限公司 | Liquid level switch and water heater |
-
2018
- 2018-07-11 CN CN201810756224.3A patent/CN109084481A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499764A (en) * | 2013-10-14 | 2014-01-08 | 奇瑞汽车股份有限公司 | Car door wiring harness plug-in detection equipment |
| CN104615560A (en) * | 2013-11-05 | 2015-05-13 | 三星电子株式会社 | Electronic device and method of checking connected state of signal line thereof |
| CN105004063A (en) * | 2015-07-21 | 2015-10-28 | 珠海格力电器股份有限公司 | Water supplementing control method and device and water heater |
| CN106841897A (en) * | 2016-12-29 | 2017-06-13 | 滁州品之达电器科技有限公司 | A kind of electric vehicle high-tension apparatus connection detection circuit |
| CN208652929U (en) * | 2018-07-11 | 2019-03-26 | 珠海格力电器股份有限公司 | Liquid level switch and water heater |
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| CN112161668A (en) * | 2020-08-25 | 2021-01-01 | 山东中车华腾环保科技有限公司 | Water tank liquid level detection system, water tank system, method and application |
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Application publication date: 20181225 |