CN108002461A - Water filtration system and control method thereof - Google Patents
Water filtration system and control method thereof Download PDFInfo
- Publication number
- CN108002461A CN108002461A CN201611271108.XA CN201611271108A CN108002461A CN 108002461 A CN108002461 A CN 108002461A CN 201611271108 A CN201611271108 A CN 201611271108A CN 108002461 A CN108002461 A CN 108002461A
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- Prior art keywords
- flow
- waste outlet
- preset
- filtering system
- wastewater
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 112
- 238000001914 filtration Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000002351 wastewater Substances 0.000 claims abstract description 172
- 239000002699 waste material Substances 0.000 claims description 84
- 238000001514 detection method Methods 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 5
- 230000003111 delayed effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims 1
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 239000008213 purified water Substances 0.000 abstract 1
- 230000008859 change Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006757 chemical reactions by type Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/143—Filter condition indicators
- B01D35/1435—Filter condition indicators with alarm means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/157—Flow control valves: Damping or calibrated passages
- B01D35/1573—Flow control valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
Abstract
The invention discloses a water filtering system and a control method thereof, wherein the water filtering system comprises a filter element with a raw water inlet, a purified water outlet and a waste water outlet, and also comprises: a flow meter for detecting the flow rate of the waste water outlet; and a waste water valve which is arranged at the waste water outlet and controls the opening degree of the waste water valve according to the detected flow rate of the waste water outlet by the flowmeter so as to maintain the flow rate of the waste water outlet constant. The waste water filtering system has the advantages that the waste water valve capable of adjusting the flow of waste water at the waste water discharge port is arranged, the flow meter for detecting the flow of the waste water discharge port is arranged, the opening of the waste water valve is adjusted through the flow meter to ensure the constant flow at the waste water discharge port, the reduction of the actual flow of the waste water valve due to scaling in the using process is effectively avoided, and the normal operation of the water filtering system is ensured.
Description
Technical field
The present invention relates to liquid filtration art, more particularly to a kind of water filtering system and its control method.
Background technology
In existing water filtering system, the waste water valve opening on waste line is typically constant, with usage time
Passage, due to the water quality inferiority of the waste water in waste line, at wastewater valve can gradual fouling, subtract the actual flow of wastewater valve
It is small, and the time is longer, and fouling the more, causes the wastewater flow of wastewater valve reality smaller, ultimately results in the longevity of water filtering system
Life rapid decay is until scrap.
The content of the invention
The main object of the present invention is to propose a kind of water filtering system, it is intended to which avoiding the blocking of wastewater valve causes its waste water stream
The reduction of amount.
To achieve the above object, a kind of water filtering system proposed by the present invention, including with raw water inlet, water purification water outlet
The filter core of mouth and waste outlet, further includes：Flowmeter, to detect the flow of the waste outlet；And wastewater valve, if
Put in the waste outlet, and the waste water according to the flow control of the waste outlet detected of the flowmeter
The aperture of valve, to maintain the flow of the waste outlet constant.
Preferably, water filtering system further includes：Pressure sensor, the pressure sensor are used to detect the raw water water inlet
The pressure of mouth；And first alarm module, first alarm module are used for when the pressure of the raw water inlet is more than first
The first warning message is sent during preset pressure value.
Preferably, water filtering system further includes：Control device, the control device and the flowmeter and the wastewater valve
Be electrically connected, with the waste outlet is detected according to the flowmeter flow control described in wastewater valve aperture.
Preferably, the control device includes：Time delay module, the time delay module are used to start in the water filtering system
After first preset time, the wastewater valve is controlled by the control device.
Preferably, the control device further includes：Control device, the control device are used to detect the waste water row
After the flow at the mouth of a river is less than the first preset flow, the wastewater valve increase aperture is controlled；Detecting the waste outlet
After flow is more than the second preset flow, the wastewater valve is controlled to reduce aperture；Wherein, second preset flow is greater than or equal to
First preset flow.
Preferably, the control device further includes：Second alarm module, the alarm module are used in the control device
After controlling the wastewater valve increase aperture, it is pre- still to detect that the flow of the waste outlet is less than first through the second preset time
If the second warning message is sent after flow.
The present invention also proposes a kind of control method of water filtering system, and the control method of the water filtering system is including following
Step：Detect the flow of waste outlet；The waste outlet is arranged on according to the flow control of the waste outlet
The aperture of wastewater valve, to maintain the flow of the waste outlet constant.
Preferably, water filtering system further includes：Detect the pressure of raw water inlet；When the pressure of the raw water inlet is big
The first warning message is sent when the first preset pressure value.
Preferably, further included before the step of flow of the detection waste outlet：Water filtering system prolongs after starting
When the first preset time.
Preferably, the flow control according to the waste outlet is arranged on the wastewater valve of the waste outlet
Aperture, so that the constant step of the flow of the waste outlet is specially：It is small in the flow for detecting the waste outlet
After the first preset flow, the wastewater valve increase aperture is controlled；It is more than second in the flow for detecting the waste outlet
After preset flow, the wastewater valve is controlled to reduce aperture；Wherein, second preset flow is more than the first preset flow.
Preferably, described after the flow for detecting the waste outlet is less than the first preset flow, described in control
Wastewater valve further includes after increasing the step of aperture：The flow for still detecting the waste outlet through the second preset time is less than
The second warning message is sent after first preset flow.
Technical solution of the present invention adjusts the wastewater valve of wastewater flow at waste water outlet by using setting one, and sets
The flowmeter of a detection waste outlet flow is put, is gone out by the aperture of flowmeter adjusting wastewater valve to ensure waste outlet
Flow it is constant.By this scheme, the waste water that waste outlet goes out effectively is avoided due in wastewater valve fouling and clogging wastewater valve,
Cause the reduction of wastewater valve actual flow, ensure that the normal work of water filtering system.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Structure according to these attached drawings obtains other attached drawings.
Fig. 1 is the structure diagram of one embodiment of water filtering system of the present invention；
Fig. 2 is high-level schematic functional block diagram of the present invention；
Fig. 3 is the flow diagram of one embodiment of control method of water filtering system of the present invention.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 10 | Compression pump | 52 | Water pipeline |
| 20 | Filter core | 53 | Raw water pipeline |
| 30 | Wastewater valve | 60 | Control device |
| 40 | Flowmeter | 70 | Time delay module |
| 50 | Pipeline | ||
| 51 | Waste line |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, belongs to the scope of protection of the invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each component,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, " first ", " second " etc. are somebody's turn to do
Description be only used for description purpose, and it is not intended that instruction or implying its relative importance or implicit indicating indicated skill
The quantity of art feature.Thus, " first " is defined, the feature of " second " can be expressed or implicitly includes at least one spy
Sign.In addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
Based on enough realizations, the knot of this technical solution is will be understood that when the combination appearance of technical solution is conflicting or can not realize
Conjunction is not present, also not within the protection domain of application claims.
The present invention proposes a kind of water filtering system.
In embodiments of the present invention, as shown in Figure 1, the water filtering system includes that there is raw water inlet (not show in figure
Go out), the filter core 20 of water purification water outlet (not shown) and waste outlet (not shown), and further include：Flowmeter
40, to detect the flow of waste outlet；And wastewater valve 30, waste outlet is arranged on, and according to the inspection of flowmeter 40
The aperture of the flow control wastewater valve 30 of the waste outlet measured, to maintain the flow of waste outlet constant.
Specifically, a waste line 51 being connected with filter core 20, flowmeter 40 and wastewater valve 40 are equipped with waste outlet
It is installed on waste line 51, flowmeter 40 is used for detecting the wastewater flow in waste line 51, and wastewater valve 30 is used for controlling
Wastewater flow in waste line 51.By setting a default wastewater flow, such as 1000mL/min, when flowmeter 40 detects
When wastewater flow is more than 1000mL/min, wastewater valve 30 turns its aperture down, wastewater flow is reduced until 1000mL/min；Work as stream
Gauge 40 detects that wastewater flow is less than 1000mL/min, and wastewater valve 40 tunes up its aperture, make wastewater flow increase until
1000mL/min, is adjusted by this reaction type, is ensured that the wastewater flow in waste line 51 is kept constant, is maintained
1000mL/min.Wherein, default wastewater flow can be adjusted, and the big of default wastewater flow is adjusted according to the situation of water quality
It is small.Wherein, the adjusting of wastewater valve 30 can be instantaneity, i.e. as long as flowmeter 40 detects the waste water in waste line 51
When flow is more than or less than default wastewater flow, its aperture is turned or tuned up accordingly at once to wastewater valve 30 down, ensures waste line
Wastewater flow in 51 maintains default wastewater flow；The adjusting of wastewater valve 30 can also be regional computer, that is, set one in advance
If the preset range value that wastewater flow fluctuates up and down, when the waste water stream value that flowmeter 40 detects is in the preset range value
When, the aperture of wastewater valve 30 remains unchanged, only when flowmeter 40 detects that wastewater flow exceeds preset range value, wastewater valve
30 just can increase or reduce accordingly its aperture, the flow of waste line 51 is located in the preset range value.So remain useless
The flow of water discharge outlet is constant be not only refer to it is constant in a definite value, can be with constant in a rational scope.
In the present embodiment, water filtering system further includes compression pump 10, which passes through raw water water purification mouth and filter core
20 connections, improve the hydraulic pressure at raw water inlet, are conducive to filtering of the water filtering system to raw water.Equipment in water filtering system
All connected by pipeline 50, wherein, raw water pipeline 53 connects compression pump 10 and raw water inlet, and water pipeline 52 connects water purification and goes out
The mouth of a river.
Further, water filtering system further includes pressure sensor, and pressure sensor is used for the pressure for detecting raw water inlet
Power；And first alarm module, the first alarm module are used to send out when the pressure of raw water inlet is more than the first preset pressure value
Go out the first warning message.During the long-time use of water filtering system, the use of filter core 20 over time, performance
Decline therewith, be easy to be blocked in the later stage.When filter core 20 is blocked, the pressure of raw water inlet can constantly increase, easily
Other devices of compression pump 10 and water filtering system are caused to damage, and can also there are security risk.Certainly it could also be possible that
It is excessive that other reasons cause raw water inlet to go out pressure.Passed by the pressure for setting one to be used for detecting pressure at raw water inlet
Sensor, so after the pressure value that raw water inlet goes out exceedes certain pressure, the first alarm module will alert, with
Prompt user to hasten to handle, avoid causing security incident.Warning message can be sound, light or electric signal etc..
Further, as shown in Fig. 2, water filtering system further includes control device 60, control device 60 and flowmeter 40 and
Wastewater valve 30 is electrically connected, to detect the aperture of the flow control wastewater valve 30 of waste outlet according to flowmeter 40.In this reality
Apply in example, wastewater valve 30 is adjustable electromagnetic valve, and the flow of waste line 51 can be adjusted with the aperture of electrodeless adjustment itself.
When water filtering system runs work, 60 detection stream gauge 40 of control device, according to the numerical value of the flowmeter 40 detected, judges useless
The aperture of water valve 30 is to tune up or turn down, also or is remained unchanged, and then adjusts wastewater valve according to the result of judgement
30.Certainly, can also be directly electrically connected between wastewater valve 30 and flowmeter 40, wastewater valve 30 directly receives 40 electric signal of flowmeter
To adjust the size of itself aperture.
Also, a memory module can also be set in control device 60, and a water quality detection is set at raw water inlet
Device (not shown), to detect the water quality at raw water inlet.It is according to water quality default wastewater flow has been described above
Change and change, have water quality-default wastewater flow table of comparisons, the original detected by Water quality detector in memory module
The water quality of water water inlet, then control device 60 is corresponding with the water quality at raw water inlet with regard to that can obtain by memory module
Default wastewater flow, such control device 60 just presets wastewater flow according to this, with reference to flowmeter 40, it is possible to control waste water
The aperture of valve 30.Set in this way, water filtering system can be made more intelligent and automated, work efficiency higher.Certainly,
The control device 60 can also be turned off, directly wastewater valve 30 is adjusted manually.
Further, as shown in Fig. 2, control device 60 includes time delay module 70, time delay module 70 is used in water filtration system
After system starts the first preset time, wastewater valve 30 is controlled by control device 60.The first preset time herein refers to water filtration system
System reaches the time of steady-working state upon actuation, and wastewater flow also should be stable at this time.By setting such a prolong
When module, make control device 60 just starting after the first preset time according to flowmeter 40 adjust wastewater valve 30.Opened just
When beginning to start, the flow of waste outlet is one and is reached from small up to stable process that changes in flow rate is in the first preset time
Inside change greatly, if if wastewater valve 30 is adjusted in the first preset time, the amplitude of accommodation of wastewater valve 30 is big, hold
Easily wastewater valve 30 is caused to damage.Wherein, wastewater valve 30 is in the state opened when water system starts.
Preferably, control device 60 is used for after the flow for detecting waste outlet is less than the first preset flow, control
Wastewater valve 30 increases aperture；After the flow for detecting waste outlet is more than the second preset flow, control wastewater valve 30 reduces
Aperture；Wherein, the second preset flow is greater than or equal to the first preset flow.First preset flow and the second preset flow are not fixed
Value, it changes with the change of default wastewater flow, the first preset flow and the second preset flow and default wastewater flow
It is corresponding.Wherein, the first preset flow is less than default wastewater flow, and the second preset flow is more than default wastewater flow rate.Work as flowmeter
When 40 wastewater flows detected in real time are in the range of the first preset flow and the second preset flow, the aperture of wastewater valve 30
Remain unchanged；When flowmeter 40 detects that wastewater flow is less than the first preset flow, control device 60 controls wastewater valve 30 to increase
Its big aperture, makes wastewater flow increase to default wastewater flow；When flowmeter 40 detects that wastewater flow is more than the second default stream
During amount, control device 60 controls wastewater valve 30 to reduce its aperture, wastewater flow is decreased to default wastewater flow.In memory module
Similarly have and different default corresponding first preset flows of wastewater flow and the second preset flow.
Further, control device 60 further includes：Second alarm module, alarm module are used for useless in the control of control device 60
After water valve 30 increases aperture, sent after the second preset time still detects that the flow of waste outlet is less than the first preset flow
Second warning message.Wherein, the second alarm module and the first alarm module can be with same warning devices or different
Warning device, but either same or different warning device, the second alarm module and the first alarm module are each sent
Warning message should be different, in order to for distinguishing, do not have to the light, different alarm sounds, different telecommunications of color such as
Number etc..By setting the second alarm module, opening for wastewater valve 30 is tuned up after detecting that wastewater flow is less than the first preset flow
Degree, then into the second preset time is crossed, the wastewater flow detected is also less than the first preset flow, this indicates that water filtering system
Work is broken down, it may be possible to which pump pressure is inadequate, filter core 20 blocks etc., passes through the second alarm module alert, reminds
User checks in time.
The present invention also proposes a kind of control method of water filtering system.
In one embodiment of this invention, as shown in figure 3, the control method of the water filtering system comprises the following steps：
Step S10：Detect the flow of waste outlet；
Step S20：The aperture of the wastewater valve of waste outlet is arranged on according to the flow control of waste outlet, to maintain
The flow of waste outlet is constant.
By setting a default waste water stream value, such as 1000mL/min, when flowmeter detects that wastewater flow is more than
During 1000mL/min, wastewater valve turns its aperture down, wastewater flow is reduced until 1000mL/min；When flowmeter detects waste water
Flow is that wastewater valve tunes up its aperture less than 1000mL/min, makes wastewater flow increase up to 1000mL/min, by this anti-
Feedback formula is adjusted, and is ensured that the wastewater flow in waste line is kept constant, is maintained 1000mL/min.Wherein, wastewater flow is preset
Value can be adjusted, and the size of predetermined amount of flow value is adjusted according to the situation of water quality.Wherein, the adjusting of wastewater valve can be instant
Property, i.e. as long as the wastewater flow that flowmeter detects in waste line is more than or less than preset flow value, wastewater valve is at once
It is corresponding to turn or tune up its aperture down, ensure that the wastewater flow in waste line maintains default wastewater flow；The tune of wastewater valve
Section can also be preset range that is regional computer, that is, setting a default waste water stream value to fluctuate up and down, when flowmeter detects
Waste water stream value in the preset range value when, the aperture of wastewater valve remains unchanged, only when flowmeter detects waste water stream
For amount when exceeding preset range value, wastewater valve just can increase or reduce accordingly its aperture, and making the flow of waste line, to be located at this pre-
If in value range.So maintain the flow of waste outlet it is constant be not only refer to it is constant in a definite value, can be with constant
In a rational scope.
In the present embodiment, further include：Detect the pressure of raw water inlet；When the pressure of raw water inlet is pre- more than first
If the first warning message is sent during pressure value.
During the long-time use of water filtering system, over time, performance is under for the use of its filter core
Drop, is easy to be blocked in the later stage.When filter core is blocked, the pressure of raw water inlet can constantly increase, easily to compression pump
Cause to damage with other devices of water filtering system, and can also there are security risk.By detecting the pressure of raw water inlet,
After the pressure value that raw water inlet goes out exceedes certain pressure, the first alarm module will alert, to prompt user
Handle quickly, avoid causing security incident.Warning message can be sound, light or electric signal etc..
In the present embodiment, further included before the step of detecting the flow of waste outlet：After water filtering system starts
Be delayed the first preset time.
The first preset time herein refers to that water filtering system reaches the time of steady-working state upon actuation, gives up at this time
Water flow also should be stable.When just starting to start, the flow of waste outlet is one and is reached from small up to stable mistake
Journey, changes in flow rate change greatly in the first preset time, if if wastewater valve is adjusted in the first preset time,
The amplitude of accommodation of wastewater valve is big, easily wastewater valve is caused to damage.Wherein, wastewater valve when water system starts in open
State.
In the present embodiment, in the present embodiment, waste outlet is arranged on according to the flow control of waste outlet
The aperture of wastewater valve, so that the constant step of the flow of waste outlet is specially：
After the flow for detecting waste outlet is less than the first preset flow, control wastewater valve increase aperture；
After the flow for detecting waste outlet is more than the second preset flow, control wastewater valve reduces aperture；
Wherein, the second preset flow is more than the first preset flow.
First preset flow and the second preset flow are not definite values, it changes with the change of default wastewater flow,
First preset flow and the second preset flow are corresponding with default wastewater flow.Wherein, the first preset flow is less than default waste water
Flow, the second preset flow are more than default wastewater flow rate.When the wastewater flow that flowmeter detects in real time in the first preset flow and
When in the range of second preset flow, the aperture of wastewater valve remains unchanged；When flowmeter detects that wastewater flow is less than first
During preset flow, control device control wastewater valve increases its aperture, wastewater flow is increased to default wastewater flow；Work as flowmeter
When detecting that wastewater flow is more than the second preset flow, control device control wastewater valve reduces its aperture, reduces wastewater flow
To default wastewater flow.
In the present embodiment, after the first preset flow is less than in the flow for detecting waste outlet, wastewater valve is controlled
Further included after the step of increasing aperture：Still detect that the flow of waste outlet is less than the first default stream through the second preset time
The second warning message is sent after amount.
Tune up the aperture of wastewater valve after detecting that wastewater flow is less than the first preset flow, then into cross second it is default when
Between, the wastewater flow detected is also less than the first preset flow, this indicates that water filtering system work is broken down, it may be possible to
Pump pressure is inadequate, filter core blocks etc., by sending the second warning message, reminds user to check in time.
The foregoing is merely the preferred embodiment of the present invention, is not intended to limit the scope of the invention, every at this
Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in the scope of patent protection of the present invention.
Claims (11)
1. a kind of water filtering system, including the filter core with raw water inlet, water purification water outlet and waste outlet, its feature exist
In further including：
Flowmeter, to detect the flow of the waste outlet；And
Wastewater valve, is arranged on the waste outlet, and the stream of the waste outlet detected according to the flowmeter
Amount controls the aperture of the wastewater valve, to maintain the flow of the waste outlet constant.
2. water filtering system as claimed in claim 1, it is characterised in that further include：
Pressure sensor, the pressure sensor are used for the pressure for detecting the raw water inlet；And
First alarm module, first alarm module are used for when the pressure of the raw water inlet is more than the first preset pressure value
When send the first warning message.
3. water filtering system as claimed in claim 1 or 2, it is characterised in that further include：
Control device, the control device are electrically connected with the flowmeter and the wastewater valve, to be detected according to the flowmeter
To the aperture of wastewater valve described in the flow control of the waste outlet.
4. water filtering system as claimed in claim 3, it is characterised in that the control device includes：
Time delay module, the time delay module are used for after the water filtering system starts the first preset time, are filled by the control
Put the control wastewater valve.
5. water filtering system as claimed in claim 3, it is characterised in that the control device further includes：
Control device, the control device are used for after the flow for detecting the waste outlet is less than the first preset flow,
Control the wastewater valve increase aperture；After the flow for detecting the waste outlet is more than the second preset flow, institute is controlled
State wastewater valve and reduce aperture；Wherein, second preset flow is greater than or equal to the first preset flow.
6. water filtering system as claimed in claim 5, it is characterised in that the control device further includes：
Second alarm module, the alarm module are used for after the control device controls wastewater valve increase aperture, through the
Two preset times still detect that the flow of the waste outlet sends the second warning message after being less than the first preset flow.
7. a kind of control method of water filtering system, it is characterised in that the control method of the water filtering system includes following step
Suddenly：
Detect the flow of waste outlet；
The aperture of the wastewater valve of the waste outlet is arranged on according to the flow control of the waste outlet, with described in maintenance
The flow of waste outlet is constant.
8. the control method of water filtering system as claimed in claim 7, it is characterised in that further include：
Detect the pressure of raw water inlet；
The first warning message is sent when the pressure of the raw water inlet is more than the first preset pressure value.
9. the control method of the water filtering system as described in 7 or 8 any one of claim, it is characterised in that in the detection
Further included before the step of flow of waste outlet：
Be delayed the first preset time after water filtering system startup.
10. the control method of the water filtering system as described in 7 or 8 any one of claim, it is characterised in that described according to institute
State waste outlet flow control be arranged on the waste outlet wastewater valve aperture so that the waste outlet
The constant step of flow is specially：
After the flow for detecting the waste outlet is less than the first preset flow, the wastewater valve increase aperture is controlled；
After the flow for detecting the waste outlet is more than the second preset flow, the wastewater valve is controlled to reduce aperture；
Wherein, second preset flow is more than the first preset flow.
11. the control method of water filtering system as claimed in claim 10, it is characterised in that detecting described give up described
The flow of water discharge outlet further includes afterwards less than the step of after the first preset flow, controlling the wastewater valve increase aperture：
The second alarm is sent after the second preset time still detects that the flow of the waste outlet is less than the first preset flow
Information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611271108.XA CN108002461B (en) | 2016-12-30 | 2016-12-30 | Water filtration system and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611271108.XA CN108002461B (en) | 2016-12-30 | 2016-12-30 | Water filtration system and control method thereof |
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| CN108002461A true CN108002461A (en) | 2018-05-08 |
| CN108002461B CN108002461B (en) | 2023-09-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN108002461B (en) | 2023-09-01 |
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