CN105067078B - Level testing methods and device for tank - Google Patents
Level testing methods and device for tank Download PDFInfo
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- CN105067078B CN105067078B CN201510416691.8A CN201510416691A CN105067078B CN 105067078 B CN105067078 B CN 105067078B CN 201510416691 A CN201510416691 A CN 201510416691A CN 105067078 B CN105067078 B CN 105067078B
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Abstract
The invention provides a kind of level testing methods and device for tank, multiple detecting electrodes are provided with the tank, the multiple detecting electrode is arranged at the different height in tank, and level testing methods include:Selection specifies detecting electrode as reference electrode;In any detection cycle, detection signal is launched by reference electrode, and judges whether other detecting electrodes can receive detection signal, to obtain the first judged result;Detecting electrode as reference electrode is adjusted according to the first judged result, and judges whether other detecting electrodes can receive detection signal again, to obtain the second judged result;The water level in tank is determined according to the first judged result and the second judged result, and the detecting electrode that position is corresponding with the water level is as reference electrode when being detected in next detection cycle.Technical scheme on the premise of ensureing accurately to detect water level, can delay the process of electrode fouling.
Description
Technical field
The present invention relates to water level detecting technical field, in particular to a kind of water level detecting side for tank
Method and a kind of condensate tank of dehumidifier for tank.
Background technology
Electric pole type water level detecting is the electric conductivity principle using water, by least two electrodes (usual one above, its
It below), conductor is used water as, the circuit turn-on when water floods two electrodes simultaneously, when water at least leaves an electricity
During pole, this electrode for leaving just disconnects with other electrodes, by the break-make of circuit it may determine that water is to what water level.
At present, multi-electrode water level detecting be typically in water place multiple electrodes (at least two), according to height difference from
Lower arrangement upwards, using nethermost electrode as common port (persistently launching detection signal) when sensed water level, passes through
Detect the circuit between other electrodes and common port whether turn on judge water level to where, it is this detection be typically continue
Carry out.Due to there is the particle of opposed polarity in water, when having electric current generation on electrode, some particles will be attached to electricity
The surface of pole, by the lasting attachment of certain time, electrode surface will fouling, fouling, which reaches certain thickness, will influence to examine
The result of survey, thus electrode will cleaning and descaling or replacing, waste of manpower, waste of resource.
Therefore, how on the premise of ensureing accurately to detect water level, delay the process of electrode fouling, save electrode
The cost of maintenance turns into technical problem urgently to be resolved hurrily.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art or correlation technique.
Therefore, it is an object of the present invention to propose a kind of new level testing methods for tank, can
On the premise of ensureing accurately to detect water level, to delay the process of electrode fouling, the cost of electrodes maintenance is effectively saved.
It is another object of the present invention to propose a kind of condensate tank of dehumidifier for tank.
To achieve the above object, embodiment according to the first aspect of the invention, it is proposed that a kind of for tank
Level testing methods, multiple detecting electrodes are provided with the tank, the multiple detecting electrode is arranged on the water storage
At different height in container, the level testing methods, including:Select the specified detecting electrode in the multiple detecting electrode
As reference electrode;In any detection cycle, detection signal is launched by the reference electrode, and judge the multiple detection
Whether other detecting electrodes in electrode can receive the detection signal, to obtain the first judged result;According to described
One judged result adjusts the detecting electrode as the reference electrode, and judges other inspections in the multiple detecting electrode again
Survey whether electrode can receive the detection signal, to obtain the second judged result;According to first judged result and institute
State the second judged result and determine water level in the tank, and by the position detecting electrode corresponding with the water level
As reference electrode when being detected in next detection cycle.
Level testing methods according to an embodiment of the invention for tank, by first in any detection cycle
Detection signal is launched by reference electrode, and judges whether other detecting electrodes can receive detection signal, to obtain first
Judged result, and the detecting electrode as reference electrode is adjusted according to the first judged result, and judged to obtain second again
Judged result, and then determine according to judged result twice the water level in tank, enabling ensuring to detect water level
Under the premise of, avoid causes electrode fouling too fast and shadow using same electrode as the reference electrode of transmitting detection signal always
Xiangshui County position testing result.Simultaneously as the application is periodically to be detected, therefore it also avoid persistently entering in the prior art
The problem of row detects and causes electrode fouling too fast, effectively save the maintenance cost of electrode.Wherein, specified detecting electrode can be with
It is the detecting electrode in highest position.
The level testing methods for tank according to the abovementioned embodiments of the present invention, there can also be following technology
Feature:
According to one embodiment of present invention, the multiple detecting electrode is according to location sequence highly incremented by successively
For detecting electrode 1, detecting electrode 2 ..., detecting electrode n;
Detecting electrode as the reference electrode is adjusted according to first judged result, and judged again the multiple
The step of whether other detecting electrodes in detecting electrode can receive the detection signal specifically includes:If described first sentences
The detecting electrode m that height where disconnected result shows in the multiple detecting electrode is only second to the reference electrode can not receive institute
Detection signal is stated, then launches the detection signal using the detecting electrode m as the reference electrode, and judges detection electricity again
Whether pole m-1 can receive the detection signal, untill detecting electrode m-x can receive the detection signal, its
In 1≤m-x≤n-1.
In the technical scheme of above-described embodiment, it is preferable that judge to tie according to first judged result and described second
Fruit determines that the step of water level in the tank specifically includes:If the detecting electrode m-x can receive the detection
Signal, then using the position where detecting electrode m+1-x as the water level in the tank.
In this embodiment, specifically, if sharing 6 detecting electrodes, according to position sequence highly incremented by successively
For detecting electrode 1, detecting electrode 2, detecting electrode 3, detecting electrode 4, detecting electrode 5 and detecting electrode 6.It is assumed that initial benchmark
Electrode is detecting electrode 4, after detecting electrode 4 launches detection signal, if detecting electrode 3 can not receive detection signal, is said
Do not turned on (i.e. water level is relatively low) between bright detecting electrode 3 and detecting electrode 4, and then can be using detecting electrode 3 as reference electrode
Launch detection signal, judge whether detecting electrode 2 can receive detection signal, if detecting electrode 2 can not receive detection
Signal, then launch detection signal using detecting electrode 2 as reference electrode, judge whether detecting electrode 1 can receive detection letter
Number, if detecting electrode 1 can receive detection signal, illustrate to turn between detecting electrode 1 and detecting electrode 2, i.e., water level reaches
The position arrived where detecting electrode 2.
According to one embodiment of present invention, in deterministic process, if launching detecting electrode 2 as the reference electrode
During the detection signal, detecting electrode 1 can not still receive the detection signal, it is determined that the water level in the tank is low
Position where the detecting electrode 2, and using the detecting electrode 2 as when being detected in next detection cycle
The reference electrode.
Specifically, continue to illustrate as an example with above-mentioned 6 detecting electrodes, if using detecting electrode 2 as benchmark
During electrode emission detection signal, detecting electrode 1 can not still receive detection signal, then illustrate detecting electrode 1 and detection electricity
Do not turned between pole 2, and the reference electrode by being used as detecting electrode 2 when being detected in next detection cycle, can
Cause detecting electrode 1 to avoid the detecting electrode 1 in its lowest position persistently launching detection signal as reference electrode
The problem of fouling is very fast.
According to one embodiment of present invention, the detection as the reference electrode is adjusted according to first judged result
Electrode, and judge whether other detecting electrodes in the multiple detecting electrode can receive the step of the detection signal again
Suddenly specifically also include:
If height where first judged result shows in the multiple detecting electrode is only second to the reference electrode
Detecting electrode m can receive the detection signal, then believe detecting electrode m+2 as the reference electrode transmitting detection
Number, and judge whether detecting electrode m+1 can receive the detection signal again, until detecting electrode m+y can not be received
Untill the detection signal, wherein 1≤m+y≤n-1.
In the technical scheme of above-described embodiment, it is preferable that judge to tie according to first judged result and described second
Fruit determines that the step of water level in the tank specifically also includes:If the detecting electrode m+y can not receive the inspection
Signal is surveyed, then using the position where detecting electrode m+y as the water level in the tank.
Specifically, if sharing 6 detecting electrodes, detecting electrode 1, inspection are ordered as according to position is highly incremented by successively
Survey electrode 2, detecting electrode 3, detecting electrode 4, detecting electrode 5 and detecting electrode 6.It is assumed that initial reference electrode is detecting electrode
4, after detecting electrode 4 launches detection signal, if detecting electrode 3 can receive detection signal, illustrate detecting electrode 3 and inspection
Survey conducting between electrode 4 (i.e. water level has been at least up to the position at the place of detecting electrode 4), so can using detecting electrode 5 as
Reference electrode launches detection signal, judges whether detecting electrode 4 can receive detection signal, if detecting electrode 4 can also receive
To detection signal (position that i.e. water level has been at least up to where detecting electrode 5), then launch detecting electrode 6 as reference electrode
Detection signal, judges whether detecting electrode 5 can receive detection signal, if detecting electrode 5 can not receive detection signal,
Illustrate not turning between detecting electrode 5 and detecting electrode 6, i.e., the position that water level has been not up to where detecting electrode 6, therefore can be with
Determine that water level has reached the position where detecting electrode 5.
According to one embodiment of present invention, in deterministic process, if launching detecting electrode n as the reference electrode
During the detection signal, detecting electrode n-1 still is able to receive the detection signal, it is determined that the water level in the tank
In the location of described detecting electrode n or higher than the position where the detecting electrode n, and using the detecting electrode n as
Reference electrode when being detected in next detection cycle.
Specifically, continue to illustrate as an example with above-mentioned 6 detecting electrodes, if using detecting electrode 6 as benchmark
During electrode emission detection signal, detecting electrode 5 can still receive detection signal, then illustrate detecting electrode 5 and detecting electrode 6
Between turn on, i.e., the position that water level has been at least up to where detecting electrode 6, because detecting electrode 6 is to be in highest position
Detecting electrode, therefore can be using detecting electrode 6 as reference electrode when being detected in next detection cycle.
Embodiment according to a second aspect of the present invention, it is also proposed that a kind of condensate tank of dehumidifier for tank, institute
State and multiple detecting electrodes are provided with tank, the multiple detecting electrode is arranged on the different height in the tank
Place, the condensate tank of dehumidifier, including:Selecting unit, for selecting the specified detecting electrode in the multiple detecting electrode to make
On the basis of electrode;First judging unit, in any detection cycle, launching detection signal by the reference electrode, and
Judge whether other detecting electrodes in the multiple detecting electrode can receive the detection signal, to obtain the first judgement
As a result;Second judging unit, for adjusting the detecting electrode as the reference electrode according to first judged result, and again
Whether the secondary other detecting electrodes judged in the multiple detecting electrode can receive the detection signal, be sentenced with obtaining second
Disconnected result;Processing unit, for being determined according to first judged result and second judged result in the tank
Water level, and when the detecting electrode that position is corresponding with the water level in next detection cycle as being detected
The reference electrode.
Condensate tank of dehumidifier according to an embodiment of the invention for tank, by first in any detection cycle
Detection signal is launched by reference electrode, and judges whether other detecting electrodes can receive detection signal, to obtain first
Judged result, and the detecting electrode as reference electrode is adjusted according to the first judged result, and judged to obtain second again
Judged result, and then determine according to judged result twice the water level in tank, enabling ensuring to detect water level
Under the premise of, avoid causes electrode fouling too fast and shadow using same electrode as the reference electrode of transmitting detection signal always
Xiangshui County position testing result.Simultaneously as the application is periodically to be detected, therefore it also avoid persistently entering in the prior art
The problem of row detects and causes electrode fouling too fast, effectively save the maintenance cost of electrode.
The condensate tank of dehumidifier for tank according to the abovementioned embodiments of the present invention, there can also be following technology
Feature:
According to one embodiment of present invention, the multiple detecting electrode is according to location sequence highly incremented by successively
For detecting electrode 1, detecting electrode 2 ..., detecting electrode n;
Second judging unit is specifically used for:If where first judged result shows in the multiple detecting electrode
The detection signal can not be received by being highly only second to the detecting electrode m of the reference electrode, then using the detecting electrode m as
The reference electrode launches the detection signal, and judges whether detecting electrode m-1 can receive the detection signal again,
Untill detecting electrode m-x can receive the detection signal, wherein 1≤m-x≤n-1.
In the technical scheme of above-described embodiment, it is preferable that the processing unit is specifically used for:In the detecting electrode m-
When x can receive the detection signal, using the position where detecting electrode m+1-x as the water level in the tank.
In this embodiment, specifically, if sharing 6 detecting electrodes, according to position sequence highly incremented by successively
For detecting electrode 1, detecting electrode 2, detecting electrode 3, detecting electrode 4, detecting electrode 5 and detecting electrode 6.It is assumed that initial benchmark
Electrode is detecting electrode 4, after detecting electrode 4 launches detection signal, if detecting electrode 3 can not receive detection signal, is said
Do not turned on (i.e. water level is relatively low) between bright detecting electrode 3 and detecting electrode 4, and then can be using detecting electrode 3 as reference electrode
Launch detection signal, judge whether detecting electrode 2 can receive detection signal, if detecting electrode 2 can not receive detection
Signal, then launch detection signal using detecting electrode 2 as reference electrode, judge whether detecting electrode 1 can receive detection letter
Number, if detecting electrode 1 can receive detection signal, illustrate to turn between detecting electrode 1 and detecting electrode 2, i.e., water level reaches
The position arrived where detecting electrode 2.
According to one embodiment of present invention, the processing unit is additionally operable to:In the judgement of second judging unit
Cheng Zhong, if detecting electrode 2 is launched into the detection signal as the reference electrode, detecting electrode 1 can not still receive institute
State detection signal, it is determined that water level in the tank is less than the position where the detecting electrode 2, and by the detection
Electrode 2 is as reference electrode when being detected in next detection cycle.
Specifically, continue to illustrate as an example with above-mentioned 6 detecting electrodes, if using detecting electrode 2 as benchmark
During electrode emission detection signal, detecting electrode 1 can not still receive detection signal, then illustrate detecting electrode 1 and detection electricity
Do not turned between pole 2, and the reference electrode by being used as detecting electrode 2 when being detected in next detection cycle, can
Cause detecting electrode 1 to avoid the detecting electrode 1 in its lowest position persistently launching detection signal as reference electrode
The problem of fouling is very fast.
According to one embodiment of present invention, second judging unit is additionally operable to:
If height where first judged result shows in the multiple detecting electrode is only second to the reference electrode
Detecting electrode m can receive the detection signal, then believe detecting electrode m+2 as the reference electrode transmitting detection
Number, and judge whether detecting electrode m+1 can receive the detection signal again, until detecting electrode m+y can not be received
Untill the detection signal, wherein 1≤m+y≤n-1.
In the technical scheme of above-described embodiment, it is preferable that the processing unit is additionally operable to:In the detecting electrode m+y
When can not receive the detection signal, using the position where detecting electrode m+y as the water level in the tank.
Specifically, if sharing 6 detecting electrodes, detecting electrode 1, inspection are ordered as according to position is highly incremented by successively
Survey electrode 2, detecting electrode 3, detecting electrode 4, detecting electrode 5 and detecting electrode 6.It is assumed that initial reference electrode is detecting electrode
4, after detecting electrode 4 launches detection signal, if detecting electrode 3 can receive detection signal, illustrate detecting electrode 3 and inspection
Survey conducting between electrode 4 (i.e. water level has been at least up to the position at the place of detecting electrode 4), so can using detecting electrode 5 as
Reference electrode launches detection signal, judges whether detecting electrode 4 can receive detection signal, if detecting electrode 4 can also receive
To detection signal (position that i.e. water level has been at least up to where detecting electrode 5), then launch detecting electrode 6 as reference electrode
Detection signal, judges whether detecting electrode 5 can receive detection signal, if detecting electrode 5 can not receive detection signal,
Illustrate not turning between detecting electrode 5 and detecting electrode 6, i.e., the position that water level has been not up to where detecting electrode 6, therefore can be with
Determine that water level has reached the position where detecting electrode 5.
According to one embodiment of present invention, the processing unit is additionally operable to:In the judgement of second judging unit
Cheng Zhong, if detecting electrode n is launched into the detection signal as the reference electrode, detecting electrode n-1 still is able to receive
The detection signal, it is determined that the water level in the tank is in the location of described detecting electrode n or higher than the inspection
The position surveyed where electrode n, and using the detecting electrode n as benchmark when being detected in next detection cycle
Electrode.
Specifically, continue to illustrate as an example with above-mentioned 6 detecting electrodes, if using detecting electrode 6 as benchmark
During electrode emission detection signal, detecting electrode 5 can still receive detection signal, then illustrate detecting electrode 5 and detecting electrode 6
Between turn on, i.e., the position that water level has been at least up to where detecting electrode 6, because detecting electrode 6 is to be in highest position
Detecting electrode, therefore can be using detecting electrode 6 as reference electrode when being detected in next detection cycle.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein:
Fig. 1 shows the schematic flow diagram of the level testing methods according to an embodiment of the invention for tank;
Fig. 2 shows the schematic block diagram of the condensate tank of dehumidifier according to an embodiment of the invention for tank;
Fig. 3 shows the schematic block diagram of water level detecting system according to an embodiment of the invention.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be different from other modes described here using other to implement, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Fig. 1 shows the schematic flow diagram of the level testing methods according to an embodiment of the invention for tank.
Multiple detecting electrodes are provided with tank of the present invention, the multiple detecting electrode is arranged on the storage
At different height in water receptacle.As shown in figure 1, the water level detecting side according to an embodiment of the invention for tank
Method, including:Step 102, the specified detecting electrode in the multiple detecting electrode is selected as reference electrode;Step 104, it is in office
In one detection cycle, detection signal is launched by the reference electrode, and judge other detections in the multiple detecting electrode
Whether electrode can receive the detection signal, to obtain the first judged result;Step 106, judge to tie according to described first
Fruit adjusts the detecting electrode as the reference electrode, and judges that other detecting electrodes in the multiple detecting electrode are again
It is no to receive the detection signal, to obtain the second judged result;Step 108, according to first judged result and institute
State the second judged result and determine water level in the tank, and by the position detecting electrode corresponding with the water level
As reference electrode when being detected in next detection cycle.
Launch detection signal by first passing through reference electrode in any detection cycle, and whether judge other detecting electrodes
Detection signal can be received, to obtain the first judged result, and the inspection as reference electrode is adjusted according to the first judged result
Electrode is surveyed, and is judged to obtain the second judged result again, and then the water in tank is determined according to judged result twice
Position, enabling on the premise of ensuring to detect water level, avoid always using same electrode as transmitting detection signal
Reference electrode and cause electrode fouling too fast and influence water level detecting result.Simultaneously as the application is periodically to be examined
The problem of surveying, therefore it also avoid persistently being detected in the prior art and causing electrode fouling too fast, effectively saves electrode
Maintenance cost.Wherein, specified detecting electrode can be the detecting electrode in highest position.
The level testing methods for tank according to the abovementioned embodiments of the present invention, there can also be following technology
Feature:
According to one embodiment of present invention, the multiple detecting electrode is according to location sequence highly incremented by successively
For detecting electrode 1, detecting electrode 2 ..., detecting electrode n;
Detecting electrode as the reference electrode is adjusted according to first judged result, and judged again the multiple
The step of whether other detecting electrodes in detecting electrode can receive the detection signal specifically includes:If described first sentences
The detecting electrode m that height where disconnected result shows in the multiple detecting electrode is only second to the reference electrode can not receive institute
Detection signal is stated, then launches the detection signal using the detecting electrode m as the reference electrode, and judges detection electricity again
Whether pole m-1 can receive the detection signal, untill detecting electrode m-x can receive the detection signal, its
In 1≤m-x≤n-1.
In the technical scheme of above-described embodiment, it is preferable that judge to tie according to first judged result and described second
Fruit determines that the step of water level in the tank specifically includes:If the detecting electrode m-x can receive the detection
Signal, then using the position where detecting electrode m+1-x as the water level in the tank.
In this embodiment, specifically, if sharing 6 detecting electrodes, according to position sequence highly incremented by successively
For detecting electrode 1, detecting electrode 2, detecting electrode 3, detecting electrode 4, detecting electrode 5 and detecting electrode 6.It is assumed that initial benchmark
Electrode is detecting electrode 4, after detecting electrode 4 launches detection signal, if detecting electrode 3 can not receive detection signal, is said
Do not turned on (i.e. water level is relatively low) between bright detecting electrode 3 and detecting electrode 4, and then can be using detecting electrode 3 as reference electrode
Launch detection signal, judge whether detecting electrode 2 can receive detection signal, if detecting electrode 2 can not receive detection
Signal, then launch detection signal using detecting electrode 2 as reference electrode, judge whether detecting electrode 1 can receive detection letter
Number, if detecting electrode 1 can receive detection signal, illustrate to turn between detecting electrode 1 and detecting electrode 2, i.e., water level reaches
The position arrived where detecting electrode 2.
According to one embodiment of present invention, in deterministic process, if launching detecting electrode 2 as the reference electrode
During the detection signal, detecting electrode 1 can not still receive the detection signal, it is determined that the water level in the tank is low
Position where the detecting electrode 2, and using the detecting electrode 2 as when being detected in next detection cycle
The reference electrode.
Specifically, continue to illustrate as an example with above-mentioned 6 detecting electrodes, if using detecting electrode 2 as benchmark
During electrode emission detection signal, detecting electrode 1 can not still receive detection signal, then illustrate detecting electrode 1 and detection electricity
Do not turned between pole 2, and the reference electrode by being used as detecting electrode 2 when being detected in next detection cycle, can
Cause detecting electrode 1 to avoid the detecting electrode 1 in its lowest position persistently launching detection signal as reference electrode
The problem of fouling is very fast.
According to one embodiment of present invention, the detection as the reference electrode is adjusted according to first judged result
Electrode, and judge whether other detecting electrodes in the multiple detecting electrode can receive the step of the detection signal again
Suddenly specifically also include:
If height where first judged result shows in the multiple detecting electrode is only second to the reference electrode
Detecting electrode m can receive the detection signal, then believe detecting electrode m+2 as the reference electrode transmitting detection
Number, and judge whether detecting electrode m+1 can receive the detection signal again, until detecting electrode m+y can not be received
Untill the detection signal, wherein 1≤m+y≤n-1.
In the technical scheme of above-described embodiment, it is preferable that judge to tie according to first judged result and described second
Fruit determines that the step of water level in the tank specifically also includes:If the detecting electrode m+y can not receive the inspection
Signal is surveyed, then using the position where detecting electrode m+y as the water level in the tank.
Specifically, if sharing 6 detecting electrodes, detecting electrode 1, inspection are ordered as according to position is highly incremented by successively
Survey electrode 2, detecting electrode 3, detecting electrode 4, detecting electrode 5 and detecting electrode 6.It is assumed that initial reference electrode is detecting electrode
4, after detecting electrode 4 launches detection signal, if detecting electrode 3 can receive detection signal, illustrate detecting electrode 3 and inspection
Survey conducting between electrode 4 (i.e. water level has been at least up to the position at the place of detecting electrode 4), so can using detecting electrode 5 as
Reference electrode launches detection signal, judges whether detecting electrode 4 can receive detection signal, if detecting electrode 4 can also receive
To detection signal (position that i.e. water level has been at least up to where detecting electrode 5), then launch detecting electrode 6 as reference electrode
Detection signal, judges whether detecting electrode 5 can receive detection signal, if detecting electrode 5 can not receive detection signal,
Illustrate not turning between detecting electrode 5 and detecting electrode 6, i.e., the position that water level has been not up to where detecting electrode 6, therefore can be with
Determine that water level has reached the position where detecting electrode 5.
According to one embodiment of present invention, in deterministic process, if launching detecting electrode n as the reference electrode
During the detection signal, detecting electrode n-1 still is able to receive the detection signal, it is determined that the water level in the tank
In the location of described detecting electrode n or higher than the position where the detecting electrode n, and using the detecting electrode n as
Reference electrode when being detected in next detection cycle.
Specifically, continue to illustrate as an example with above-mentioned 6 detecting electrodes, if using detecting electrode 6 as benchmark
During electrode emission detection signal, detecting electrode 5 can still receive detection signal, then illustrate detecting electrode 5 and detecting electrode 6
Between turn on, i.e., the position that water level has been at least up to where detecting electrode 6, because detecting electrode 6 is to be in highest position
Detecting electrode, therefore can be using detecting electrode 6 as reference electrode when being detected in next detection cycle.
Fig. 2 shows the schematic block diagram of the condensate tank of dehumidifier according to an embodiment of the invention for tank.
Multiple detecting electrodes are provided with tank of the present invention, the multiple detecting electrode is arranged on the storage
At different height in water receptacle.
As shown in Fig. 2 the condensate tank of dehumidifier 200 according to an embodiment of the invention for tank, including:Selection
Unit 202, the first judging unit 204, the second judging unit 206 and processing unit 208.
Wherein, selecting unit 202, for selecting the specified detecting electrode in the multiple detecting electrode as benchmark electricity
Pole;First judging unit 204, in any detection cycle, launching detection signal by the reference electrode, and judge institute
State whether other detecting electrodes in multiple detecting electrodes can receive the detection signal, to obtain the first judged result;
Second judging unit 206, for adjusting the detecting electrode as the reference electrode according to first judged result, and again
Judge whether other detecting electrodes in the multiple detecting electrode can receive the detection signal, to obtain the second judgement
As a result;Processing unit 208, for being determined according to first judged result and second judged result in the tank
Water level, and when the detecting electrode that position is corresponding with the water level in next detection cycle as being detected
The reference electrode.
Launch detection signal by first passing through reference electrode in any detection cycle, and whether judge other detecting electrodes
Detection signal can be received, to obtain the first judged result, and the inspection as reference electrode is adjusted according to the first judged result
Electrode is surveyed, and is judged to obtain the second judged result again, and then the water in tank is determined according to judged result twice
Position, enabling on the premise of ensuring to detect water level, avoid always using same electrode as transmitting detection signal
Reference electrode and cause electrode fouling too fast and influence water level detecting result.Simultaneously as the application is periodically to be examined
The problem of surveying, therefore it also avoid persistently being detected in the prior art and causing electrode fouling too fast, effectively saves electrode
Maintenance cost.
The condensate tank of dehumidifier 200 for tank according to the abovementioned embodiments of the present invention, can also have following
Technical characteristic:
According to one embodiment of present invention, the multiple detecting electrode is according to location sequence highly incremented by successively
For detecting electrode 1, detecting electrode 2 ..., detecting electrode n;
Second judging unit 206 is specifically used for:If first judged result shows in the multiple detecting electrode
The detecting electrode m that place is highly only second to the reference electrode can not receive the detection signal, then by the detecting electrode m
Launch the detection signal as the reference electrode, and judge whether detecting electrode m-1 can receive the detection again
Signal, untill detecting electrode m-x can receive the detection signal, wherein 1≤m-x≤n-1.
In the technical scheme of above-described embodiment, it is preferable that the processing unit 208 is specifically used for:In the detection electricity
When pole m-x can receive the detection signal, using the position where detecting electrode m+1-x as the water in the tank
Position.
In this embodiment, specifically, if sharing 6 detecting electrodes, according to position sequence highly incremented by successively
For detecting electrode 1, detecting electrode 2, detecting electrode 3, detecting electrode 4, detecting electrode 5 and detecting electrode 6.It is assumed that initial benchmark
Electrode is detecting electrode 4, after detecting electrode 4 launches detection signal, if detecting electrode 3 can not receive detection signal, is said
Do not turned on (i.e. water level is relatively low) between bright detecting electrode 3 and detecting electrode 4, and then can be using detecting electrode 3 as reference electrode
Launch detection signal, judge whether detecting electrode 2 can receive detection signal, if detecting electrode 2 can not receive detection
Signal, then launch detection signal using detecting electrode 2 as reference electrode, judge whether detecting electrode 1 can receive detection letter
Number, if detecting electrode 1 can receive detection signal, illustrate to turn between detecting electrode 1 and detecting electrode 2, i.e., water level reaches
The position arrived where detecting electrode 2.
According to one embodiment of present invention, the processing unit 208 is additionally operable to:In second judging unit 206
In deterministic process, if detecting electrode 2 is launched into the detection signal as the reference electrode, detecting electrode 1 can not still connect
Receive the detection signal, it is determined that water level in the tank is less than the position where the detecting electrode 2, and by institute
Detecting electrode 2 is stated as reference electrode when being detected in next detection cycle.
Specifically, continue to illustrate as an example with above-mentioned 6 detecting electrodes, if using detecting electrode 2 as benchmark
During electrode emission detection signal, detecting electrode 1 can not still receive detection signal, then illustrate detecting electrode 1 and detection electricity
Do not turned between pole 2, and the reference electrode by being used as detecting electrode 2 when being detected in next detection cycle, can
Cause detecting electrode 1 to avoid the detecting electrode 1 in its lowest position persistently launching detection signal as reference electrode
The problem of fouling is very fast.
According to one embodiment of present invention, second judging unit 206 is additionally operable to:
If height where first judged result shows in the multiple detecting electrode is only second to the reference electrode
Detecting electrode m can receive the detection signal, then believe detecting electrode m+2 as the reference electrode transmitting detection
Number, and judge whether detecting electrode m+1 can receive the detection signal again, until detecting electrode m+y can not be received
Untill the detection signal, wherein 1≤m+y≤n-1.
In the technical scheme of above-described embodiment, it is preferable that the processing unit 208 is additionally operable to:In the detecting electrode m
When+y can not receive the detection signal, using the position where detecting electrode m+y as the water level in the tank.
Specifically, if sharing 6 detecting electrodes, detecting electrode 1, inspection are ordered as according to position is highly incremented by successively
Survey electrode 2, detecting electrode 3, detecting electrode 4, detecting electrode 5 and detecting electrode 6.It is assumed that initial reference electrode is detecting electrode
4, after detecting electrode 4 launches detection signal, if detecting electrode 3 can receive detection signal, illustrate detecting electrode 3 and inspection
Survey conducting between electrode 4 (i.e. water level has been at least up to the position at the place of detecting electrode 4), so can using detecting electrode 5 as
Reference electrode launches detection signal, judges whether detecting electrode 4 can receive detection signal, if detecting electrode 4 can also receive
To detection signal (position that i.e. water level has been at least up to where detecting electrode 5), then launch detecting electrode 6 as reference electrode
Detection signal, judges whether detecting electrode 5 can receive detection signal, if detecting electrode 5 can not receive detection signal,
Illustrate not turning between detecting electrode 5 and detecting electrode 6, i.e., the position that water level has been not up to where detecting electrode 6, therefore can be with
Determine that water level has reached the position where detecting electrode 5.
According to one embodiment of present invention, the processing unit 208 is additionally operable to:In second judging unit 206
In deterministic process, if detecting electrode n is launched into the detection signal as the reference electrode, detecting electrode n-1 still is able to
Receive the detection signal, it is determined that the water level in the tank in the location of described detecting electrode n or is higher than
Position where the detecting electrode n, and using the detecting electrode n as institute when being detected in next detection cycle
State reference electrode.
Specifically, continue to illustrate as an example with above-mentioned 6 detecting electrodes, if using detecting electrode 6 as benchmark
During electrode emission detection signal, detecting electrode 5 can still receive detection signal, then illustrate detecting electrode 5 and detecting electrode 6
Between turn on, i.e., the position that water level has been at least up to where detecting electrode 6, because detecting electrode 6 is to be in highest position
Detecting electrode, therefore can be using detecting electrode 6 as reference electrode when being detected in next detection cycle.
Describe the technical scheme of one embodiment of the present of invention in detail below in conjunction with Fig. 3.
As shown in figure 3, water level detecting system according to an embodiment of the invention, including:Central processing unit 304, memory
308th, connecting and disconnecting of the circuit detection means 306, display device 302, electrode;Central processing unit 304 is used for control circuit break-make detection dress
306 operations are put, memory 308 is used for the information such as storage circuit break-make, and connecting and disconnecting of the circuit detection means 306 is used to detect Different electrodes
Between break-make situation, electrode as conductor launch in water, display device 302 be used for show testing result.
The course of work is as described below:
Electricity is in use, user can set the number of detecting electrode to water level detecting system on first, and according to minimum water
Position electrode be No. 1 electrode, is No. 2 electrodes ... on No. 1 electrode until the order of n electrodes (n >=2) is placed sequentially in water storage
In container.Then current level is detected, and current level is shown in display device 302.It is electric corresponding to current level
Pole is stored in reference electrode in storage 308, the benchmark judged as next time as reference electrode.
For example, according to order from top to bottom place respectively No. 1, No. 2, No. 3 ..., n electrodes (can certainly set
Put the electrode of other quantity), signal is sent according to high position electrode, the principle of lower position electrode reception signal, No. 1 electrode can only
For reception signal, n electrodes can only be used for sending signal.Reference electrode when dispatching from the factory can default setting be n electrodes.
Detection method specifically comprises the steps of:
It is spaced N minutes (such as 10 minutes) detection actual water level position.Electrode sends detection signal on the basis of detection method, sentences
Whether an electrode below disconnected reference electrode turns on.
S1:If an electrode (the i.e. n-1 electrodes) conducting of reference electrode (being designated as n electrodes) below, illustrates No. n
There is water between electrode and No. n-1, water level is at n electrodes or on No. n.
Again, signal is sent by n+1 electrodes, whether detection reference electrode (i.e. n electrodes) turns on, if do not led
It is logical, illustrate that water level is not reached at n+1 electrodes, water level can be drawn at n electrodes with reference to this 2 times judgements, then by No. n
Electrode is recorded in central processing unit 304 as reference electrode, and whether interval N minutes detect reference electrode in actual water level again
Position;If n electrode conductions, continue to send signal by n+2 electrodes, judge whether n+1 electrodes turn on, the like.
S2:If the electrode (i.e. n-1 electrodes) of reference electrode (being designated as n electrodes) below is not turned on, say
Bright water level is below n electrodes.
Again, signal is sent by n-1 electrodes, judges whether n-2 electrodes turn on, if n-2 electrode conductions,
Illustrate water level at n-1 electrodes, with reference to this test case of 2 times, it is believed that water level is at n-1 electrodes, then by n-1 electricity
Pole is recorded in central processing unit 304 as reference electrode, and whether interval N minutes detect reference electrode in actual water level position again
Put;If n-2 electrodes are not turned on, continue to send signal by n-2 electrodes, judge whether n-3 electrodes turn on, successively
Analogize.
S3:When next detection cycle starts, system reads reference electrode from central processing unit 304 and continued according to upper
The process of stating is detected.
Those skilled in the art should be noted:During detection, if reference electrode is changed into nethermost No. 2
Electrode and the no conducting of No. 1 electrode, then be stored in central processing unit 304 using No. 2 electrodes as reference electrode, so as to next cycle
Continue to detect;If reference electrode is changed into uppermost n electrodes and n-1 electrode conductions, using n electrodes as reference electrode
It is stored in central processing unit 304, so that next cycle continues to detect.
In the above-mentioned technical solutions, the time of reference electrode transmission signal can arbitrarily be set, and such as be arranged to 10 seconds.
The technical scheme of the above embodiment of the present invention by optimizing the method for water level detecting, reduce electrode energization when
Between, delay the process of electrode fouling, save electrodes maintenance cost.
Technical scheme is described in detail above in association with accompanying drawing, the present invention proposes a kind of new water storage that is used for and held
The water level detecting scheme of device, the process of electrode fouling on the premise of ensureing accurately to detect water level, can be delayed, effectively saved
The cost of electrodes maintenance.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (14)
1. a kind of level testing methods for tank, it is characterised in that be provided with multiple detections in the tank
Electrode, the multiple detecting electrode are arranged at the different height in the tank, the level testing methods, including:
The specified detecting electrode in the multiple detecting electrode is selected as reference electrode;
In any detection cycle, detection signal is launched by the reference electrode, and judge in the multiple detecting electrode
Whether other detecting electrodes can receive the detection signal, to obtain the first judged result;
Detecting electrode as the reference electrode is adjusted according to first judged result, and judges the multiple detection again
Whether other detecting electrodes in electrode can receive the detection signal, to obtain the second judged result;
Determine the water level in the tank according to first judged result and second judged result, and by it is in place
The detecting electrode corresponding with the water level is put as reference electrode when being detected in next detection cycle.
2. the level testing methods according to claim 1 for tank, it is characterised in that the multiple detection electricity
Pole according to location highly it is incremented by successively be ordered as detecting electrode 1, detecting electrode 2 ..., detecting electrode n;
Detecting electrode as the reference electrode is adjusted according to first judged result, and judges the multiple detection again
The step of whether other detecting electrodes in electrode can receive the detection signal specifically includes:
If height where first judged result shows in the multiple detecting electrode is only second to the detection of the reference electrode
Electrode m can not receive the detection signal, then believe the detecting electrode m as the reference electrode transmitting detection
Number, and judge whether detecting electrode m-1 can receive the detection signal again, until detecting electrode m-x can be received
Untill the detection signal, wherein 1≤m-x≤n-1.
3. the level testing methods according to claim 2 for tank, it is characterised in that sentence according to described first
The step of disconnected result and second judged result determine the water level in the tank specifically includes:
If the detecting electrode m-x can receive the detection signal, using the position where detecting electrode m+1-x as institute
State the water level in tank.
4. the level testing methods according to claim 2 for tank, it is characterised in that in deterministic process,
If detecting electrode 2 is launched into the detection signal as the reference electrode, detecting electrode 1 can not still receive the detection
Signal, it is determined that water level in the tank is less than the position where the detecting electrode 2, and by the detecting electrode 2
As reference electrode when being detected in next detection cycle.
5. the level testing methods for tank according to any one of claim 2 to 4, it is characterised in that root
The detecting electrode as the reference electrode is adjusted according to first judged result, and is judged again in the multiple detecting electrode
Other detecting electrodes the step of whether can receiving the detection signal specifically also include:
If height where first judged result shows in the multiple detecting electrode is only second to the detection of the reference electrode
Electrode m can receive the detection signal, then launch the detection signal using detecting electrode m+2 as the reference electrode,
And judge whether detecting electrode m+1 can receive the detection signal again, until detecting electrode m+y can not receive it is described
Untill detection signal, wherein 1≤m+y≤n-1.
6. the level testing methods according to claim 5 for tank, it is characterised in that sentence according to described first
The step of disconnected result and second judged result determine the water level in the tank specifically also includes:
If the detecting electrode m+y can not receive the detection signal, using the position where detecting electrode m+y as described in
Water level in tank.
7. the level testing methods according to claim 5 for tank, it is characterised in that in deterministic process,
If detecting electrode n is launched into the detection signal as the reference electrode, detecting electrode n-1 still is able to receive the inspection
Survey signal, it is determined that the water level in the tank is in the location of described detecting electrode n or higher than the detecting electrode n
The position at place, and using the detecting electrode n as reference electrode when being detected in next detection cycle.
8. a kind of condensate tank of dehumidifier for tank, it is characterised in that be provided with multiple detections in the tank
Electrode, the multiple detecting electrode are arranged at the different height in the tank, the condensate tank of dehumidifier, including:
Selecting unit, for selecting the specified detecting electrode in the multiple detecting electrode as reference electrode;
First judging unit, in any detection cycle, launching detection signal by the reference electrode, and described in judgement
Whether other detecting electrodes in multiple detecting electrodes can receive the detection signal, to obtain the first judged result;
Second judging unit, for adjusting the detecting electrode as the reference electrode according to first judged result, and again
Whether the secondary other detecting electrodes judged in the multiple detecting electrode can receive the detection signal, be sentenced with obtaining second
Disconnected result;
Processing unit, for determining the water in the tank according to first judged result and second judged result
Position, and the detecting electrode that position is corresponding with the water level is as institute when being detected in next detection cycle
State reference electrode.
9. the condensate tank of dehumidifier according to claim 8 for tank, it is characterised in that the multiple detection electricity
Pole according to location highly it is incremented by successively be ordered as detecting electrode 1, detecting electrode 2 ..., detecting electrode n;
Second judging unit is specifically used for:
If height where first judged result shows in the multiple detecting electrode is only second to the detection of the reference electrode
Electrode m can not receive the detection signal, then believe the detecting electrode m as the reference electrode transmitting detection
Number, and judge whether detecting electrode m-1 can receive the detection signal again, until detecting electrode m-x can be received
Untill the detection signal, wherein 1≤m-x≤n-1.
10. the condensate tank of dehumidifier according to claim 9 for tank, it is characterised in that the processing unit
It is specifically used for:
When the detecting electrode m-x can receive the detection signal, using the position where detecting electrode m+1-x as institute
State the water level in tank.
11. the condensate tank of dehumidifier according to claim 9 for tank, it is characterised in that the processing unit
It is additionally operable to:
In the deterministic process of second judging unit, if launching the detection using detecting electrode 2 as the reference electrode
During signal, detecting electrode 1 can not still receive the detection signal, it is determined that the water level in the tank is less than the inspection
The position surveyed where electrode 2, and using the detecting electrode 2 as benchmark when being detected in next detection cycle
Electrode.
12. the condensate tank of dehumidifier for tank according to any one of claim 9 to 11, it is characterised in that
Second judging unit is additionally operable to:
If height where first judged result shows in the multiple detecting electrode is only second to the detection of the reference electrode
Electrode m can receive the detection signal, then launch the detection signal using detecting electrode m+2 as the reference electrode,
And judge whether detecting electrode m+1 can receive the detection signal again, until detecting electrode m+y can not receive it is described
Untill detection signal, wherein 1≤m+y≤n-1.
13. the condensate tank of dehumidifier according to claim 12 for tank, it is characterised in that the processing unit
It is additionally operable to:
When the detecting electrode m+y can not receive the detection signal, using the position where detecting electrode m+y as described in
Water level in tank.
14. the condensate tank of dehumidifier according to claim 12 for tank, it is characterised in that the processing unit
It is additionally operable to:
In the deterministic process of second judging unit, if launching the detection using detecting electrode n as the reference electrode
During signal, detecting electrode n-1 still is able to receive the detection signal, it is determined that the water level in the tank is in the inspection
Survey the location of electrode n or higher than the position where the detecting electrode n, and using the detecting electrode n as next
Reference electrode when being detected in detection cycle.
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CN201532229U (en) * | 2009-11-13 | 2010-07-21 | 王小军 | Electric contact liquid level meter capable of preventing electrodes from being contaminated |
CN201662727U (en) * | 2010-04-23 | 2010-12-01 | 王松坡 | Water level monitor device |
CN104215296A (en) * | 2013-05-29 | 2014-12-17 | 广东美的暖通设备有限公司 | Liquid level detecting circuit, controller and water heater |
CN104535135A (en) * | 2015-01-22 | 2015-04-22 | 上海飞科电器股份有限公司 | Non-contact liquid level detection device and non-contact liquid level detection method |
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CN201532229U (en) * | 2009-11-13 | 2010-07-21 | 王小军 | Electric contact liquid level meter capable of preventing electrodes from being contaminated |
CN201662727U (en) * | 2010-04-23 | 2010-12-01 | 王松坡 | Water level monitor device |
CN104215296A (en) * | 2013-05-29 | 2014-12-17 | 广东美的暖通设备有限公司 | Liquid level detecting circuit, controller and water heater |
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