CN207361922U - The master control borad and water purifier of water purifier - Google Patents
The master control borad and water purifier of water purifier Download PDFInfo
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- CN207361922U CN207361922U CN201721296963.6U CN201721296963U CN207361922U CN 207361922 U CN207361922 U CN 207361922U CN 201721296963 U CN201721296963 U CN 201721296963U CN 207361922 U CN207361922 U CN 207361922U
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- voltage circuit
- reduction voltage
- master control
- control borad
- water
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Abstract
The utility model discloses the master control borad and water purifier of a kind of water purifier, wherein, the master control borad of the water purifier includes：Adapter, is connected with power supply and supply voltage is down to first object voltage output；First reduction voltage circuit, the first object voltage for being electrically connected with adapter and exporting adapter export after being down to the second target voltage；And second reduction voltage circuit, be electrically connected with the first reduction voltage circuit, and the second target voltage that the first reduction voltage circuit is exported be down to the 3rd target voltage after export.It is arranged such, the master control borad of water purifier is allowd to provide a variety of voltages not of uniform size, so that the parts of water purifier can optionally the adapter with master control borad, the first reduction voltage circuit or the second reduction voltage circuit be electrically connected according to the voltage needed for itself, so that the master control borad of water purifier can be adapted to different types of water purifier.
Description
Technical field
It the utility model is related to technical field of water purification, the master control borad and water purifier of more particularly to a kind of water purifier.
Background technology
Drinking Water Problem is the problem of common people pay special attention to, and it has been thing out of question to have many materials for being unfavorable for health in water
Real, this is also that common people's healthy water realizes the main reason for being strengthened, and the root that purifier market is hot.
Existing water purifier mainly includes the parts such as membrane filter, water pump, valve, preposition filter core, postposition filter core, usual water pump,
Valve is powered and is controlled by the master control borad of water purifier.However, the master control borad of existing water purifier can only supply two kinds greatly
The small voltage to differ, this use for allowing for the parts of water purifier is restricted, so that the performance of water purifier is limited
System.
Utility model content
The main purpose of the utility model is to propose a kind of master control borad of water purifier, it is intended to is capable of providing master control borad a variety of
Output voltage not of uniform size.
To achieve the above object, the utility model proposes a kind of water purifier master control borad, it includes：
Adapter, is connected with power supply and supply voltage is down to first object voltage output；
First reduction voltage circuit, is electrically connected with the adapter and is down to the first object voltage that the adapter exports
Exported after second target voltage；And
Second reduction voltage circuit, is electrically connected with first reduction voltage circuit, and by the of first reduction voltage circuit output
Two target voltages export after being down to the 3rd target voltage.
Preferably, the master control borad further includes the first protection circuit and main control chip；Wherein,
Second reduction voltage circuit and the adapter are electrically connected by the first protection circuit；
The main control chip is electrically connected with second reduction voltage circuit, and the main control chip is also protected with described first
Protection circuit is electrically connected, and the main control chip is according to the load of first reduction voltage circuit control the first protection circuit
Connection or disconnection.
Preferably, the master control borad further includes the 3rd reduction voltage circuit, the input terminal of the 3rd reduction voltage circuit and described the
The output terminal connection of one reduction voltage circuit, the output terminal of the 3rd reduction voltage circuit connect with the input terminal of second reduction voltage circuit
Connect, the 3rd reduction voltage circuit is used for after the second target voltage of first reduction voltage circuit output is down to the 4th target voltage
Output.
Preferably, the master control borad further includes the second protection circuit and main control chip；Wherein,
3rd reduction voltage circuit and the adapter are electrically connected by the second protection circuit；
The main control chip is electrically connected with second reduction voltage circuit, and the main control chip is also protected with described second
Protection circuit is electrically connected, and the main control chip is according to the load of first reduction voltage circuit control the second protection circuit
Connection or disconnection.
Preferably, the first object voltage is 30V-42V.
Preferably, second target voltage is 20V-28V.
Preferably, the 3rd target voltage is 4.5-5.5V.
The utility model also proposes a kind of water purifier, it includes：
Membrane filter, has the raw water mouth connected with raw water tubes, the pure water mouth connected with pure water pipe and is connected with waste pipe
Waste water mouth；
Water pump, is installed on the raw water tubes；
Scouring electromagnetic valve, is installed on the waste pipe；And
Master control borad, including the adapter being electrically connected with the power supply and the first decompression being electrically connected with the adapter
Circuit and the second reduction voltage circuit, the adapter of the master control borad are electrically connected with the water pump, the first decompression of the master control borad
Circuit is electrically connected with the scouring electromagnetic valve.
Preferably, the water purifier further includes：
Preposition filter core, is installed on the raw water tubes and positioned at the influent side of the water pump；And
Entering water electromagnetic valve, is installed on the raw water tubes between the water pump and the preposition filter core, described into water power
First reduction voltage circuit of magnet valve and the master control borad is electrically connected.
Preferably, postposition filter core, is installed in the pure water pipe；And
High-voltage switch gear, is installed in the pure water pipe of the membrane filter and the postposition filter core, and the height presses off
Close and be electrically connected with the first reduction voltage circuit of the master control borad.
The technical solution of the utility model, by the way that the adapter of master control borad and power supply are electrically connected, and by described in
The first reduction voltage circuit and the second reduction voltage circuit of master control borad are connected with the adapter, and the adapter can be by High Level AC Voltage
Exported after being changed into first object voltage, the first object voltage that the adapter exports is down to by first reduction voltage circuit
The second target voltage that first reduction voltage circuit exports is down to the 3rd target electricity by two target voltages, second reduction voltage circuit
Pressure, this, which allows for the master control borad, can provide a variety of DC voltages of different sizes, so that the water purifier is each
Parts can be according to the voltage needed for itself the optionally adapter with the master control borad, the first reduction voltage circuit or second
Reduction voltage circuit is electrically connected, and is thus not only allowd the water purifier to use the parts of different size, is carried out improving performance,
The master control borad is also allowd to be adapted to different types of water purifier at the same time, so that the scope of application of the master control borad is more
Extensively.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the structure diagram of one embodiment of master control borad of the utility model water purifier；
Fig. 2 is the structure diagram of another embodiment of master control borad of the utility model water purifier；
Fig. 3 is the structure diagram of the master control borad another embodiment of the utility model water purifier；
Fig. 4 is the structure diagram of one embodiment of the utility model water purifier.
Drawing reference numeral explanation：
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is opposite between each component under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is only used for description purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning
The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one
A this feature.In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical solution is conflicting or can not realize
The combination of case is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of master control borad of water purifier, refer to Fig. 1 and Fig. 4, and Fig. 1 shows that the utility model is net
The structure diagram of one embodiment of master control borad of hydrophone；Fig. 4 shows the structure of 100 1 embodiment of water purifier of the utility model
Schematic diagram.
The master control borad 10 of the water purifier 100 includes：
Adapter 11, is connected with power supply and supply voltage is down to first object voltage output；
First reduction voltage circuit 12, the first object electricity for being electrically connected with the adapter 11 and exporting the adapter 11
Exported after pressure drop to the second target voltage；And
Second reduction voltage circuit 13, is electrically connected with first reduction voltage circuit 12, and first reduction voltage circuit 12 is defeated
The second target voltage gone out exports after being down to the 3rd target voltage.
Specifically, the adapter 11, the first reduction voltage circuit 12 and the second reduction voltage circuit 13 are used to be depressured, with to institute
State the power supply of the parts such as the water pump 20, valve, switch of water purifier 100；Wherein, the adapter 11 and high-voltage ac power (i.e. city
Electricity) it is electrically connected, it is used to High Level AC Voltage being changed into low-voltage DC, and the adapter 11 is also to the water purifier
100 water pump 20 is powered；First reduction voltage circuit 12 is directly connected to the adapter 11, it is used for the adapter 11
The first object voltage of output is reduced to the second target voltage, to power to parts such as the valve of the water purifier 100, switches；
Second reduction voltage circuit 13 is electrically connected with first reduction voltage circuit 12, it is used to export first reduction voltage circuit 12
The second target voltage be reduced to the 3rd target voltage.
It is understood that the first object voltage, second target voltage and the 3rd target voltage are
It is gradually reduced.In general, the master control borad 10 of the water purifier 100 further includes main control chip 14, the main control chip 14 with
The parts such as the water pump 20 of the water purifier 100, valve, switch are electrically connected, to control zero, the water pump 20, valve, switch etc.
The work of part.Required voltage is smaller when being worked normally due to the main control chip 14, the main control chip 14 by
Second reduction voltage circuit 13 is powered, namely the main control chip 14 is electrically connected with second reduction voltage circuit 13.
In addition, it is necessary to explanation, 12 and second reduction voltage circuit 13 of the first reduction voltage circuit is conventional direct current drop
Volt circuit, here, not doing specific restriction to the structure of first reduction voltage circuit 12 and second reduction voltage circuit 13.
It is worth noting that, in the embodiment of the utility model, first reduction voltage circuit 12 and second decompression
The quantity of circuit 13 can be set according to demand, not do specific restriction herein.
The technical solution of the utility model, by the way that the adapter 11 of master control borad 10 and power supply are electrically connected, and will
The first reduction voltage circuit 12 and the second reduction voltage circuit 13 of the master control borad 10 are connected with the adapter 11, and the adapter 11 can
To export after High Level AC Voltage is changed into first object voltage, first reduction voltage circuit 12 exports the adapter 11
First object voltage is down to the second target voltage, second reduction voltage circuit 13 first reduction voltage circuit 12 is exported second
Target voltage is down to the 3rd target voltage, this, which allows for the master control borad 10, can provide a variety of DC voltages of different sizes,
So that each parts of the water purifier 100 can according to the voltage needed for itself optionally with the master control borad 10
Adapter 11, the first reduction voltage circuit 12 or the second reduction voltage circuit 13 be electrically connected, thus not only so that the water purifier
100 can use the parts of different size, carry out improving performance, while also allow the master control borad 10 to be adapted to different type
Water purifier 100 so that the scope of application of the master control borad 10 is wider.
In an embodiment of the utility model, Fig. 2 refer to, it is contemplated that the component of the water purifier 100 is relatively more,
Namely with the component of first reduction voltage circuit 12 connection and compared with the component of second reduction voltage circuit 13 connection
It is more, in order to ensure first reduction voltage circuit 12 and second reduction voltage circuit 13 can normal use, the master control borad is also
The first protection circuit 15 is provided with, the first protection circuit 15 is electrical by second reduction voltage circuit 13 and the adapter 11
Connection, and the first protection circuit 15 is also electrically connected with the main control chip 14, and the main control chip 14 is according to described
The connection or disconnection of load control the first protection circuit 15 of first reduction voltage circuit 12.
Specifically, when the water purifier 100 is opened with the parts that first reduction voltage circuit 12 is connected, by institute
State the first reduction voltage circuit 12 and load larger, this will influence the stability of first reduction voltage circuit 12, in order to ensure described
Two reduction voltage circuits 13 can be the parts normal power supply of the water purifier 100, and the main control chip 14 controls described the at this time
One protection circuit 15 is in connected state, this allows for second reduction voltage circuit 13 and directly electrically connects with the adapter 11
Connect, so that influence of second reduction voltage circuit 13 from first reduction voltage circuit 12.When first reduction voltage circuit
When load on 12 is less, the main control chip 14 disconnects the electric-controlled switch of the described first protection circuit 15, this allows for institute
The second reduction voltage circuit 13 is stated to connect with first reduction voltage circuit 12, due to second reduction voltage circuit 13 input terminal with it is described
The output terminal of first reduction voltage circuit 12 is electrically connected, that is to say, that second reduction voltage circuit 13 only needs to drop described first
The second target voltage after volt circuit 12 is depressured is depressured again, this is allowed for after being connected to first reduction voltage circuit 12
The Amplitude of Hypotensive of second reduction voltage circuit 13 is less than the output that second reduction voltage circuit 13 is connected directly to the adapter 11
Amplitude of Hypotensive during end, so set, being conducive to improve the decompression efficiency of second reduction voltage circuit 13.
In order to make the master control borad be capable of providing more voltages not of uniform size, in an embodiment of the utility model,
Fig. 3 is refer to, the master control borad further includes the 3rd reduction voltage circuit 16.Specifically, the input terminal of the 3rd reduction voltage circuit 16 with
The output terminal connection of first reduction voltage circuit 12, output terminal and second reduction voltage circuit 13 of the 3rd reduction voltage circuit 16
Input terminal connection, the 3rd reduction voltage circuit 16 be used for the second target voltage that first reduction voltage circuit 12 exports is down to
Exported after 4th target voltage.
It is understood that the 4th target voltage is less than second target voltage, but it is greater than described
Three target voltages, this, which allows for the master control borad, can provide four kinds of voltages not of uniform size, in this way, not only so that the master
Control plate 10 can be adapted to different types of water purifier 100, lift its applicable scope；At the same time also so that the water purifier 100 can
To use the parts of more specifications, to lift self performance.
Further, the master control borad 10 further includes the second protection circuit 17, and the second protection circuit 17 is by described the
Three reduction voltage circuits 16 and the adapter 11 are electrically connected, and the second protection circuit 17 is also electric with the main control chip 14
Property connection, the main control chip 14 is according to the load of first reduction voltage circuit 12 control the second protection circuit 17
Connection disconnects.
Specifically, when the water purifier 100 is opened with the parts that first reduction voltage circuit 12 is connected, by institute
State the first reduction voltage circuit 12 and load larger, this will influence the stability of first reduction voltage circuit 12, in order to ensure described
Three reduction voltage circuits 16 can be the parts normal power supply of the water purifier 100, and the main control chip 14 controls described the at this time
Two protection circuits 17 are in connected state, this allows for the 3rd reduction voltage circuit 16 and directly electrically connects with the adapter 11
Connect, so that the 3rd reduction voltage circuit 16 and the second reduction voltage circuit 13 are from the influence of first reduction voltage circuit 12.
When the load on first reduction voltage circuit 12 is less, the main control chip 14 opens the described second protection the automatically controlled of circuit 17
Shut-off is opened, this allows for the 3rd reduction voltage circuit 16 and connects with first reduction voltage circuit 12, due to the described 3rd decompression electricity
The input terminal on road 16 and the output terminal of first reduction voltage circuit 12 are electrically connected, the input terminal and the 3rd of the second reduction voltage circuit 13
The output terminal of reduction voltage circuit 16 is electrically connected, this allows for the 3rd reduction voltage circuit 16 need to be by first reduction voltage circuit 12
The second target voltage after decompression is depressured again, this allows for being connected to the 3rd decompression after first reduction voltage circuit 12
The Amplitude of Hypotensive of circuit 16 is less than drop when the 3rd reduction voltage circuit 16 is connected directly to the output terminal of the adapter 11
Pressure amplitude degree, so set, being conducive to improve the decompression efficiency of second reduction voltage circuit 13.
In an embodiment of the utility model, the output terminal output voltage of the adapter 11 is 30V-42V, preferably
Ground, the output terminal output voltage of the adapter 11 is 36V.In general, the rated voltage of the water pump 20 of the water purifier 100 of big flux
For 36V, and the water pump 20 in real work between required voltage and its rated voltage there are difference, therefore will described in
The output terminal output voltage of adapter 11 can set 30V-42V, it can be ensured that the water pump 20 can normal operation, and then
The master control borad is enabled to be adapted to big flux water purifier 100.
In an embodiment of the utility model, the output terminal output voltage of first reduction voltage circuit 12 is 20V-
28V, it is preferable that the output voltage of first reduction voltage circuit 12 is 24V.Due to zero, the switch of the water purifier 100, valve etc.
There are difference between the specification of part, and the virtual voltage and its volume of the parts such as the switch of the water purifier 100, valve at work
There are difference between constant voltage, therefore the output terminal output voltage of the adapter 11 can be set into 20V-28V, it can be ensured that
The parts such as the switch of the water purifier 100, valve normal work.
In addition, it should be noted that second reduction voltage circuit 13 is mainly powered to the main control chip 14, if voltage wave
It is dynamic excessive, main control chip 14 can be caused to be burned out, therefore, the output voltage of second reduction voltage circuit 13 maintains 4.5-
It is 5.5V relatively good.
The utility model also proposes a kind of water purifier 100, refer to Fig. 4, which includes membrane filter 30, water pump
20th, scouring electromagnetic valve 40 and master control borad 10, the concrete structure of the master control borad 10 is with reference to above-described embodiment, due to this water purifier
100 employ whole technical solutions of above-mentioned all embodiments, therefore at least the technical solution with above-described embodiment is brought
All beneficial effects, this is no longer going to repeat them.
Specifically, the membrane filter 30 has raw water mouth, pure water mouth and waste water mouth；Wherein, the original of the membrane filter 30
The mouth of a river is connected with raw water tubes, so that exterior raw water is flowed into the membrane filter 30, the pure water mouth and pure water pipe of the membrane filter 30
Connection, for the pure water discharge in the membrane filter 30, the waste water mouth of the membrane filter 30 is connected with waste pipe, for the film
Waste water discharge in filter core 30.
Water pump 20 is installed on the raw water tubes, it is driven in the raw water tubes in 30 Pure-water Making of membrane filter
Raw water flow into the membrane filter 30.Since the water pump 20 has the function of pressurization, acceleration, raw water is so not only accelerated
The speed inside membrane filter 30 is entered, while also increases the hydraulic pressure of raw water, is so advantageous for raw water fast filtering, and then
Be conducive to improve the speed of the Pure-water Making of the membrane filter 30.
Scouring electromagnetic valve 40 is installed on the waste pipe, it is used for the size for controlling the aperture of the waste pipe.
The master control borad 10 is electrically connected with the water pump 20 and the scouring electromagnetic valve 40, i.e., described master control borad 10
The output terminal of adapter 11 is electrically connected with the water pump 20, the output terminal of the first reduction voltage circuit 12 of the master control borad 10 and institute
Scouring electromagnetic valve 40 is stated to be electrically connected；And the main control chip 14 of the master control borad 10 and the water pump 20 and scouring electromagnetic valve
40 are electrically connected, to control the work of the water pump 20 and the scouring electromagnetic valve 40.
In 100 Pure-water Making of water purifier, the adapter 11 of the master control borad 10 is powered to the water pump 20, described
First reduction voltage circuit 12 of master control borad 10 is powered to the scouring electromagnetic valve 40, and at this time, the water pump 20 is by the water in raw water tubes
It is evacuated in the membrane filter 30 and is filtered, and the pure water that the filtering of the membrane filter 30 is formed is discharged by the pure water pipe,
So that user takes；The main control chip 14 then controls the waste water flushing valve to open, so that the filtering of the membrane filter 30 produces
Waste water can discharge in time.
The technical solution of the utility model, by using the master control borad 10 for being capable of providing multiple voltage, so that described net
The water pump 20 of hydrophone 100, the specification of scouring electromagnetic valve 40 can select according to demand, so that the water purifier 100
Performance can reach optimal, and then be conducive to be lifted the performance of the water purifier 100.
In an embodiment of the utility model, the water purifier 100 further includes preposition filter core 50, the preposition filter core 50
It is installed on the raw water tubes of 20 water inlet end of water pump.Specifically, the preposition filter core 50 can be PP cotton filter cores, activity
Filtration core or other there is the filter core of pure water, do not do specific restriction herein.Preposition filter core 50 is set before raw water tubes,
This makes it possible to effectively filter out large granular impurity in raw water, and then avoid granule foreign in raw water and be attached to membrane filter 30
Membrane component on, and the problem of cause membrane component to be blocked.
Further, the water purifier 100 further includes entering water electromagnetic valve 60, and the entering water electromagnetic valve 60 is installed on positioned at institute
State on the raw water tubes between water pump 20 and the preposition filter core 50, and the entering water electromagnetic valve 60 and the master control borad 10 are electrical
Connection.When the water purifier 100 is stopped, the main control chip 14 of the master control borad 10 control the water pump 20 and it is described into
Water solenoid valve 60 is turned off, and since the entering water electromagnetic valve 60 is the influent side positioned at water pump 20, this allows for the water pump 20
When being turned off with the entering water electromagnetic valve 60, also deposited in the raw water tubes between the water pump 20 and the entering water electromagnetic valve 60
When leaving raw water, and then can avoid the unlatching of water purifier 100 Pure-water Making, the situation that dallying occurs in the water pump 20 goes out
It is existing, it is effectively protected water pump 20.
In an embodiment of the utility model, the water purifier 100 further includes postposition filter core 70, the postposition filter core 70
It is installed in the pure water pipe.Specifically, the postposition filter core 70 can be active carbon filter core, active carbon filter core is mainly with activity
Charcoal is primary raw material, it can remove chlorine residue in water removal, peculiar smell etc., while can also improve the mouthfeel of water, and then be conducive to be lifted
The experience of user.
Further, the water purifier 100 further includes check valve 80, and the check valve 80 is installed on positioned at the membrane filter
In pure water pipe between 30 and the postposition filter core 70, so avoid to be back to from pure water from the postposition filter core 70 described
In membrane filter 30.
Further, the water purifier 100 further includes pressure switch 90, and the pressure switch 90 is installed on the pure water pipe
On, and in the pure water pipe between the membrane filter 30 and the postposition filter core 70, the pressure switch 90 and the master control
First reduction voltage circuit 12 of plate 10 is electrically connected, and the pressure switch 90 is also electrically connected with the main control chip 14.
When the water outlet of pure water pipe is opened, since pure water is to water outlet flowing, so allow at pressure switch 90
Pressure reduces, i.e., the pressure value that pressure switch 90 detects will be less than preset pressure value, and the main control chip 14 controls described at this time
Water pump 20, entering water electromagnetic valve 60, waste water flushing valve are opened at the same time, namely start 100 Pure-water Making of water purifier.When going out for pure water pipe
When water end (W.E.) is closed, the pure water in the membrane filter 30 can continue the water outlet stream to the pure water pipe at this time, until full of whole
The pure water pipe, so allows for the pressure increase in the pure water pipe, that is to say, that the pressure switch 90 detects at this time
Pressure value be equal to or more than preset pressure value, the main control chip 14 controls the water pump 20, entering water electromagnetic valve 60, waste water punching
Valve is washed to simultaneously close off.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
It is every under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
Change, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
- A kind of 1. master control borad of water purifier, it is characterised in that including：Adapter, is connected with power supply and supply voltage is down to first object voltage output；First reduction voltage circuit, is electrically connected with the adapter and the first object voltage that the adapter exports is down to second Exported after target voltage；AndSecond reduction voltage circuit, is electrically connected with first reduction voltage circuit, and the second mesh that first reduction voltage circuit is exported Mark voltage exports after being down to the 3rd target voltage.
- 2. the master control borad of water purifier as claimed in claim 1, it is characterised in that the master control borad further includes the first protection circuit And main control chip；Wherein,Second reduction voltage circuit and the adapter are electrically connected by the first protection circuit；The main control chip is electrically connected with second reduction voltage circuit, and the main control chip is also electric with the described first protection Road is electrically connected, and the main control chip protects the company of circuit according to the load of first reduction voltage circuit control described first On-off is opened.
- 3. the master control borad of water purifier as claimed in claim 1, it is characterised in that the master control borad further includes the 3rd decompression electricity Road, the input terminal of the 3rd reduction voltage circuit are connected with the output terminal of first reduction voltage circuit, the 3rd reduction voltage circuit Output terminal is connected with the input terminal of second reduction voltage circuit, and the 3rd reduction voltage circuit is used for first reduction voltage circuit is defeated The second target voltage gone out exports after being down to the 4th target voltage.
- 4. the master control borad of water purifier as claimed in claim 3, it is characterised in that the master control borad further includes the second protection circuit And main control chip；Wherein,3rd reduction voltage circuit and the adapter are electrically connected by the second protection circuit；The main control chip is electrically connected with second reduction voltage circuit, and the main control chip is also electric with the described second protection Road is electrically connected, and the main control chip protects the company of circuit according to the load of first reduction voltage circuit control described second On-off is opened.
- 5. the master control borad of the water purifier as described in any one in claim 1-4, it is characterised in that the first object voltage For 30V-42V.
- 6. the master control borad of the water purifier as described in any one in claim 1-4, it is characterised in that second target voltage For 20V-28V.
- 7. the master control borad of the water purifier as described in any one in claim 1-4, it is characterised in that the 3rd target voltage For 4.5-5.5V.
- A kind of 8. water purifier, it is characterised in that including：Membrane filter, has the raw water mouth connected with raw water tubes, the pure water mouth connected with pure water pipe and is connected with waste pipe useless The mouth of a river；Water pump, is installed on the raw water tubes；Scouring electromagnetic valve, is installed on the waste pipe；AndMaster control borad, the master control borad as described in any one in claim 1-7, the adapter of the master control borad and water pump electricity Property connection, the first reduction voltage circuit of the master control borad is electrically connected with the scouring electromagnetic valve.
- 9. water purifier as claimed in claim 8, it is characterised in that the water purifier further includes：Preposition filter core, is installed on the raw water tubes and positioned at the influent side of the water pump；AndEntering water electromagnetic valve, is installed on the raw water tubes between the water pump and the preposition filter core, the entering water electromagnetic valve It is electrically connected with the first reduction voltage circuit of the master control borad.
- 10. water purifier as claimed in claim 8, it is characterised in that the water purifier further includes：Postposition filter core, is installed in the pure water pipe；AndHigh-voltage switch gear, is installed in the pure water pipe of the membrane filter and the postposition filter core, and the high-voltage switch gear with First reduction voltage circuit of the master control borad is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721296963.6U CN207361922U (en) | 2017-09-30 | 2017-09-30 | The master control borad and water purifier of water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721296963.6U CN207361922U (en) | 2017-09-30 | 2017-09-30 | The master control borad and water purifier of water purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207361922U true CN207361922U (en) | 2018-05-15 |
Family
ID=62347837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721296963.6U Active CN207361922U (en) | 2017-09-30 | 2017-09-30 | The master control borad and water purifier of water purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207361922U (en) |
-
2017
- 2017-09-30 CN CN201721296963.6U patent/CN207361922U/en active Active
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