CN205832761U - There is the filter element life instruction device of automatic shutoff function - Google Patents
There is the filter element life instruction device of automatic shutoff function Download PDFInfo
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- CN205832761U CN205832761U CN201620741982.4U CN201620741982U CN205832761U CN 205832761 U CN205832761 U CN 205832761U CN 201620741982 U CN201620741982 U CN 201620741982U CN 205832761 U CN205832761 U CN 205832761U
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Abstract
This utility model relates to purifier, disclose a kind of filter element life instruction device with automatic shutoff function, it includes controller (320), water break solenoid valve (1) and the filter element life indicator (3) being connected with filter element (2), flow harvester (31) it is provided with in filter element life indicator (3), flow harvester (31) is used for gathering filter element (2) actual water amount and the flow signal of collection being sent to controller (320), controller (320) is for processing the flow signal received and comparing with the flow rate upper limit value set in it and control water break solenoid valve (1) according to comparative result.By gathering the actual water amount of filter element, this utility model judges whether filter element life expires; it intelligent response user can purify water water consumption; can cut off the water supply in time when filter element life expires simultaneously, shut down and stop controlling the water circulation, it has with low cost and can effectively ensure that user security water.
Description
Technical field
This utility model relates to purifier, has particularly related to a kind of filter element life instruction dress with automatic shutoff function
Put.
Background technology
Due to pollution and the deterioration of China's water quality, household water filter is increasing to the demand of RO machine, and a lot of nothing electricity are without pump
Type water purifier is increasing, and particularly part nothing electricity type UF ultrafilter and the simple cartridge systems of part are to filter element water amount no record
Existing etc. problem, part has the product of record also to change the time of filter element simply by date and use time reckoning next time,
The true water amount of filter element can not be reflected.Thus cause the original water amount of filter element life to substantially exceed, and user is also continuing drink
With so that a large amount of unsafe drinking waters are misapplied, and cause because using water purifier to have a strong impact on people's health on the contrary.Entirely
The a lot of school in state various places, student is because having drunk the dangerous contaminated water that filter element life exceeds the time limit far away and again and again having occurred.
At present health official written reply service life of actual filter element is all according under national standard condition of water quality, crosses water according to filter element
Gauge calculates, but still there are the following problems to use this kind of computational methods:
Problem one, if the user while interior water of limited time substantially exceeds the water amount of filter element life nominal, treats the time
When the most not expiring on record, then it is likely to drink water the most up to standard, people's health can be had a strong impact on.
Problem two, novel without electricity type RO water purification machines or Microfilter or ultrafilter to some, even if some the most high-end water purification
Device brand, to filter element life still by the Time Calculation of work.The RO water purification machine mistake by (reverse osmosis membrane) as you know
The water yield is typically closely related with water pressure, and the pure water amount obtained is also with discharge of wastewater is the most relevant, and water amount is also intake
Pressure and the left and right of self reason in many ways such as machine film exhaustion and RO film exhaustion, cause pure water amount is calculated special inaccuracy.
Therefore, research and develop and a kind of the most accurately or automatically cut off the household water filter at water source at filter element life to after date and compel
The eyebrows and eyelashes.
Utility model content
This utility model causes dangerous drinking water quilt in existing purifier because filter element life is difficult to determine
The problem of misuse, it is provided that a kind of filter element life instruction device with automatic shutoff function.
In order to solve above-mentioned technical problem, this utility model is addressed by following technical proposals:
Have automatic shutoff function filter element life instruction device, including for power supply 6V power supply, also include controller,
Water break solenoid valve and the filter element life indicator being connected with filter element, be provided with flow harvester, flow in filter element life indicator
Harvester is for gathering the actual water amount of filter element and the flow signal of collection being sent to controller, and controller is for reception
To flow signal process and with in it set flow rate upper limit value compare and according to comparative result control water break solenoid valve.Use
The mode of this kind of record flow value judges whether filter element life expires, when filter element life to after date then controls machine down, and can
More accurately to obtain filter element actual life, change filter element in the more reasonably time.
As preferably, flow harvester includes that effusion meter seat, preamplifier, effusion meter seat are externally provided with sensor coil,
Being fixed with rotating shaft core in effusion meter seat, rotating shaft core is provided with the impeller that the shaft core that can rotate rotates, and impeller is fixed with magnet steel, leaf
The magnetic induction line that when wheel rotates, impeller blade cutting magnet steel produces causes the flux change in sensor coil, and preamplifier is used for receiving
This magnetic flux mechanical periodicity signal is also amplified, produces and water after shaping by magnetic flux mechanical periodicity signal that sensor coil detects
The pulse signal that Flow Velocity is directly proportional.
As preferably, flow harvester also includes that the pulse signal for producing preamplifier carries out adding up and inciting somebody to action
Accumulative pulse signal is converted into Units conversion factor correction and the adder circuit of cumulative flow value.Pass through Units conversion factor
Correction can make the record for flow according to accurately, then makes to judge the most accurate to filter element life.
As preferably, flow harvester also includes counting chip and frequency-current conversion circuit, frequency current conversion electricity
Road is for being converted into simulation current flow to obtain instantaneous delivery value by the pulse signal that preamplifier produces, and counting chip is used for
Cumulative flow value is obtained after carrying out instantaneous delivery value adding up.
As preferably, rotating shaft core is provided with bearing.By arranging bearing on rotating shaft core, rotating shaft core and leaf can be effectively reduced
Pivoting friction between wheel, i.e. reduces wheel rotation externality factor so that the flow value of final entry is more accurate.
As preferably, flow harvester also includes the flow collection lid covering on effusion meter seat, and sensor coil is positioned at
Flow collection tops；It is provided with O between flow collection lid and effusion meter seat.
As preferably, also include that filter element life indicator, filter element life indicator include under indicator upper cover and indicator
Lid, flow harvester between indicator upper cover and indicator lower cover, indicator covers be provided be connected with controller and
For indicating the display screen of filter element life, controller controls display screen display filter element life according to the flow signal received.Logical
Cross display screen and can reflect filter element life in real time so that filter element life to after date can remind user to change filter element in time.
As preferably, bottom indicator lower cover, it is provided with battery case, is provided with the battery for power supply in battery case, on battery case
It is covered with battery cover.
This utility model, owing to have employed above technical scheme, has a significant technique effect:
By gathering the actual water amount of filter element, this utility model judges whether filter element life expires, it can intelligent response
User purifies water water consumption, can cut off the water supply in time when filter element life expires simultaneously, shuts down and stops controlling the water circulation, and it has cost
Cheap and can effectively ensure that user security water.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment 1；
Fig. 2 is the structural representation of filter element life indicator in Fig. 1；
Fig. 3 is the structural representation of effusion meter seat in Fig. 2；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the fundamental diagram of flow harvester in this utility model；
Fig. 6 is flow collection flow chart in this utility model；
Fig. 7 is this utility model automatic shutoff circuit diagram；
Fig. 8 is the workflow diagram of Fig. 7.
The toponym that in accompanying drawing, each number designation is referred to is as follows: 1 water break solenoid valve, 2 filter elements, 3 filter element longevity
Life indicator, 31 flow harvesters, 310 effusion meter seats, 311 rotating shaft cores, 312 impellers, 313 flow collections
Lid, 314 indicator upper covers, 315 indicator lower covers, 316 battery cases, 317 batteries, 318 battery covers, 319 execute
Close special chip, 320 controllers.
Detailed description of the invention
With embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
There is the filter element life instruction device of automatic shutoff function, as Figure 1-Figure 8, also include controller 320, cut off the water supply
Electromagnetic valve 1 and the filter element life indicator 3 being connected with filter element 2, be provided with flow harvester 31 in filter element life indicator 3, filter
Core life indicator 3 includes indicator upper cover 314 and indicator lower cover 315, and flow harvester 31 is positioned at indicator upper cover 314
And between indicator lower cover 315, indicator upper cover 314 is provided with and is connected with controller 320 and for indicating the aobvious of filter element 2 life-span
Display screen, controller 320 controls display screen display filter element 2 life-span according to the flow signal received.Set bottom indicator lower cover 315
There is battery case 316, be provided with the battery 317 for power supply in battery case 316, battery case 316 is covered with battery cover 318.
Flow harvester 31 is for gathering the actual water amount of filter element 2 and the flow signal of collection being sent to controller
320, controller 320 is for processing the flow signal received and comparing and according to comparing with the flow rate upper limit value set in it
Output control water break solenoid valve 1.
The present embodiment provides 6V voltage, when impeller 312 cumulative flow that flow harvester 31 collects by battery 317
During the limit value that value sets in reaching controller 320, controller 320 controls water break solenoid valve 1 action, cuts off the water supply, and reaches certainly
The purpose of dynamic circuit breaker water, it is ensured that each drinking water is the most safe and reliable, because to accomplish the low purpose for consumption, meets without electricity type water purifier
Deng using this flow harvester 31 on machine.The limit current value set in controller 320 is the filtrable max-flow of filter element 2
Value, sets according to actual needs, judges whether filter element 2 life-span expires by the way of record flow value, can be more accurate
Really obtain filter element 2 actual life, change filter element 2 in the more reasonably time.Meanwhile, reach when impeller 312 cumulative flow value
During to the limit value set, controller 320 also can control display screen and show that filter element 2 life-span expires, and reminds user to change filter element 2.This
This filter element life indicator 3 is contained in filtration system middle-end by embodiment, meets volume impeller 312 and read the condition of parameter.
Flow harvester 31 includes that effusion meter seat 310, preamplifier, effusion meter seat 310 are externally provided with sensor coil, stream
Amount harvester 31 also includes the flow collection lid 313 covering on effusion meter seat 310, and sensor coil is positioned at flow collection lid
313 tops, are provided with O between flow collection lid 313 and effusion meter seat 310.Flow collection lid 313 top is provided with mounting groove,
Being provided with Schmidt's chip 319 in mounting groove, sensor coil is positioned at Schmidt's chip 319.
Being fixed with rotating shaft core 311 in effusion meter seat 310, rotating shaft core 311 is provided with the impeller that the shaft core 311 that can rotate rotates
312, rotating shaft core 311 is provided with bearing, can effectively reduce the pivoting friction between rotating shaft core 311 and impeller 312, i.e. reduce impeller
312 rotate externality factor so that the flow value of final entry is more accurate.
Being fixed with magnet steel on impeller 312, the magnetic induction line that when impeller 312 rotates, 312, impeller cutting magnet steel produces causes biography
Flux change in sense coil, preamplifier is for receiving magnetic flux mechanical periodicity signal that sensor coil detects and to this magnetic
Logical mechanical periodicity signal is amplified, produce the pulse signal being directly proportional to water velocity after shaping.Flow harvester 31 is also
Carry out cumulative including the pulse signal for preamplifier is produced and accumulative pulse signal is converted into cumulative flow value
Units conversion factor correction and adder circuit.
When current piping, impact impeller 312, impeller 312 is produced driving moment, makes impeller 312 overcome frictional force
Square and fluid resistance square and produce rotation.In the range of certain flow, about the viscosity of water, the angular velocity of rotation of impeller 312 with
Rate of flow of fluid is directly proportional, and thus water velocity can be obtained by the angular velocity of rotation of impeller 312, passes through such that it is able to be calculated
The discharge of pipeline, and the angular velocity of rotation of impeller 312 can be obtained by the rotating speed of impeller 312.
Wherein the rotating speed of impeller 312 is examined by the sensor coil being contained in the Schmidt's chip outside flow collection lid 313
Survey, the magnetic induction line that when specially impeller 312 rotates, 312, impeller cutting magnet steel produces, cause the flux change in sensor coil,
Make coil produces the induced potential of change, then by preamplifier to receiving the magnetic flux cycle change that sensor coil detects
Change signal and this magnetic flux mechanical periodicity signal be amplified, produce the pulse signal being directly proportional to flow velocity after shaping, by this
The pulse frequency of pulse signal i.e. can get the rotating speed of impeller 312, therefore can obtain the frequency exporting pulse and pass through flow
The flow of meter is directly proportional, and i.e. can obtain the cumulative flow value through filter element 2 by Units conversion factor correction and adder circuit,
The frequency of output pulse is directly proportional to by the flow of effusion meter, and its correction factor is K, and it meets following formula:
Qv=f/K
In formula: f---propeller flowmeter output pulse frequency；
qvBy the flow of effusion meter.
Embodiment 2
Flow harvester 31 also includes counting chip and frequency-current conversion circuit, and frequency-current conversion circuit is used for will
The pulse signal that preamplifier produces is converted into simulation current flow to obtain instantaneous delivery value, and counting chip is for instantaneous stream
Value obtains cumulative flow value after carrying out adding up.Pulse signal is sent into frequency-current conversion circuit, pulse signal is converted into
Simulation current flow, and then instruction instantaneous delivery value, added up by low-power consumption counting chip, shows record institute on liquid crystal frequency
The cumulative flow value obtained.
In a word, the foregoing is only preferred embodiment of the present utility model, all according to this utility model claim institute
Impartial change and the modification made, all should belong to the covering scope of this utility model patent.
Claims (8)
1. there is the filter element life instruction device of automatic shutoff function, it is characterised in that: also include the control being all connected with power supply
Device (320), water break solenoid valve (1) and filter element life indicator (3), filter element life indicator (3) is connected with filter element (2)；Filter element
Being provided with flow harvester (31) in life indicator (3), flow harvester (31) is used for gathering filter element (2) actual water amount
And the flow signal of collection is sent to controller (320), controller (320) for the flow signal that receives is processed and with
The flow rate upper limit value set in it compares and controls water break solenoid valve (1) according to comparative result.
The filter element life instruction device with automatic shutoff function the most according to claim 1, it is characterised in that: flow is adopted
Acquisition means (31) includes that effusion meter seat (310), preamplifier, effusion meter seat (310) are externally provided with sensor coil, effusion meter seat
(310) being fixed with rotating shaft core (311) in, rotating shaft core (311) is provided with the impeller (312) that the shaft core (311) that can rotate rotates, leaf
Being fixed with magnet steel on wheel (312), the magnetic induction line that when impeller (312) rotates, impeller blade cutting magnet steel produces causes in sensor coil
Flux change, preamplifier is for receiving magnetic flux mechanical periodicity signal that sensor coil detects and to this magnetic flux mechanical periodicity
Signal is amplified, produce the pulse signal being directly proportional to water velocity after shaping.
The filter element life instruction device with automatic shutoff function the most according to claim 2, it is characterised in that: flow is adopted
Acquisition means (31) also includes that the pulse signal for producing preamplifier carries out cumulative and converted by accumulative pulse signal
Become Units conversion factor correction and the adder circuit of cumulative flow value.
The filter element life instruction device with automatic shutoff function the most according to claim 2, it is characterised in that: flow is adopted
Acquisition means (31) also includes counting chip and frequency-current conversion circuit, and frequency-current conversion circuit is for producing preamplifier
Raw pulse signal is converted into simulation current flow to obtain instantaneous delivery value, and counting chip is for adding up to instantaneous delivery value
After obtain cumulative flow value.
The filter element life instruction device with automatic shutoff function the most according to claim 2, it is characterised in that: rotating shaft core
(311) bearing it is arranged with on.
The filter element life instruction device with automatic shutoff function the most according to claim 2, it is characterised in that: flow is adopted
Acquisition means (31) also includes the flow collection lid (313) covering on effusion meter seat (310), and sensor coil is positioned at flow collection lid
(313) top；It is provided with O between flow collection lid (313) and effusion meter seat (310).
The filter element life instruction device with automatic shutoff function the most according to claim 1, it is characterised in that: also include
Filter element life indicator (3), filter element life indicator (3) includes indicator upper cover (314) and indicator lower cover (315), flow
Harvester (31) is positioned between indicator upper cover (314) and indicator lower cover (315), indicator upper cover (314) be provided with
Controller (320) connects and for indicating the display screen of filter element life, and controller (320) controls according to the flow signal received
Display screen display filter element life.
The filter element life instruction device with automatic shutoff function the most according to claim 7, it is characterised in that: indicator
Lower cover (315) bottom is provided with battery case (316), is provided with the battery (317) for power supply, battery case (316) in battery case (316)
On be covered with battery cover (318).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620741982.4U CN205832761U (en) | 2016-07-11 | 2016-07-11 | There is the filter element life instruction device of automatic shutoff function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620741982.4U CN205832761U (en) | 2016-07-11 | 2016-07-11 | There is the filter element life instruction device of automatic shutoff function |
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| Publication Number | Publication Date |
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| CN205832761U true CN205832761U (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620741982.4U Active CN205832761U (en) | 2016-07-11 | 2016-07-11 | There is the filter element life instruction device of automatic shutoff function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105999829A (en) * | 2016-07-11 | 2016-10-12 | 浙江沁园水处理科技有限公司 | Filter element life indicating device with automatic water cut-off function |
| CN113735206A (en) * | 2021-09-10 | 2021-12-03 | 绿城农科检测技术有限公司 | Pure water generating equipment with automatic water cut-off function |
-
2016
- 2016-07-11 CN CN201620741982.4U patent/CN205832761U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105999829A (en) * | 2016-07-11 | 2016-10-12 | 浙江沁园水处理科技有限公司 | Filter element life indicating device with automatic water cut-off function |
| CN113735206A (en) * | 2021-09-10 | 2021-12-03 | 绿城农科检测技术有限公司 | Pure water generating equipment with automatic water cut-off function |
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| GR01 | Patent grant |