CN108736706A - Controllable switch power supply and purification water tank comprising the power supply - Google Patents
Controllable switch power supply and purification water tank comprising the power supply Download PDFInfo
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- CN108736706A CN108736706A CN201810867588.9A CN201810867588A CN108736706A CN 108736706 A CN108736706 A CN 108736706A CN 201810867588 A CN201810867588 A CN 201810867588A CN 108736706 A CN108736706 A CN 108736706A
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- module
- switch power
- power supply
- controllable switch
- main control
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 238000000746 purification Methods 0.000 title claims abstract description 22
- 238000002955 isolation Methods 0.000 claims abstract description 64
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 230000010287 polarization Effects 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims description 30
- 238000010168 coupling process Methods 0.000 claims description 30
- 238000005859 coupling reaction Methods 0.000 claims description 30
- 230000003287 optical effect Effects 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 12
- 230000009467 reduction Effects 0.000 claims description 9
- 230000005669 field effect Effects 0.000 claims description 3
- RECVMTHOQWMYFX-UHFFFAOYSA-N oxygen(1+) dihydride Chemical compound [OH2+] RECVMTHOQWMYFX-UHFFFAOYSA-N 0.000 claims description 2
- 230000000994 depressogenic effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000012055 fruits and vegetables Nutrition 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 235000016623 Fragaria vesca Nutrition 0.000 description 1
- 240000009088 Fragaria x ananassa Species 0.000 description 1
- 235000011363 Fragaria x ananassa Nutrition 0.000 description 1
- 244000132436 Myrica rubra Species 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 230000000378 dietary effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
Abstract
The present invention provides a kind of controllable switch power supply and comprising the purification water tank of the power supply, belong to power supply technical field.Controllable switch power supply provided in an embodiment of the present invention and the purification water tank comprising the power supply, wherein, controllable switch power supply is provided with current detection module and isolation feedback module, current detection module can detect the output current of first switch power module, main control module provides polarization voltage to feedback module is isolated according to the output current of first switch power module, the output of first switch power module is adjusted by the way that feedback module is isolated, so as to the output of regulating switch power supply, and then realize the power adjustable of purification water tank.
Description
Technical field
The present invention relates to power supply technical fields, in particular to a kind of controllable switch power supply and include the power supply
Purification water tank.
Background technology
With the improvement of living standards, people also increasingly pay attention to dietetic hygiene.The especially sterilizations such as fruits and vegetables meat are killed
Poison.Currently, the sink with disinfection function is increasingly subject to welcome, main cause has, and sink is family's necessary article, is increased
Add purification function, and be not take up original kitchen area, under integrated and functionalization double dominant, there is sterilizing
The sink of function is quite attractive.
Existing sink generally use water ionizer carries out sterilizing, after water ionizer leads to direct current, just
Voltage difference is formed between electrode slice and negative electrode plate, and conductive ionization is carried out to water, reaches to carry out disinfection to the fruits and vegetables etc. in water and kill
The effect of bacterium, whole process need not add other reagents, without side-effects, receive the welcome of user.
But the fixed source of stable pressure of current water ionizer generally use, since fixed source of stable pressure is to various regions water quality
Adaptedness is different, causes effect difference larger.When especially user washes the fruit such as strawberry or red bayberry, if salt, meeting is added
Increase conductivity, the power in water ionizer is fixed, may result in water ionizer directly protection not
It can work.
Invention content
For the above-mentioned prior art the problem of, the present invention provides a kind of controllable switch power supply and includes the electricity
The purification water tank in source, can be with the output of regulating switch power supply, and then realizes the power adjustable of purification water tank.
In a first aspect, an embodiment of the present invention provides a kind of controllable switch power supply, including first switch power module, electricity
Flow detection module, isolation feedback module, main control module and external power interface；
The first switch power module by the external power interface connect external power supply and output voltage to water from
Electronic generator；The current detection module be connected to the first switch power module and the main control module input terminal it
Between；The isolation feedback module is connected between the first switch power module and the output end of the main control module；
The current detection module is used to detect the output current of the first switch power module, by output electricity
Stream is input to the main control module；The main control module is used for the output current according to the first switch power module, provides
Voltage is polarized to the isolation feedback module, the defeated of the first switch power module is adjusted by the isolation feedback module
Go out.
With reference to first aspect, an embodiment of the present invention provides the first possible embodiments of first aspect, wherein
The isolation feedback module includes partial pressure isolated location and feedback unit；The partial pressure isolated location and the main control module and
The first switch power module connection, the feedback unit and the partial pressure isolated location and the first switch power supply mould
Block connects.
With reference to first aspect, an embodiment of the present invention provides second of possible embodiments of first aspect, wherein
The partial pressure isolated location includes first resistor, second resistance and optical coupling isolation circuit；The first resistor and second electricity
Resistance is composed in series partial pressure branch, and one end of the partial pressure branch connects the first switch power module, other end ground connection；Institute
Optical coupling isolation circuit is stated to connect with the partial pressure branch.
Second of possible embodiment with reference to first aspect, an embodiment of the present invention provides the thirds of first aspect
The possible embodiment of kind, wherein the optical coupling isolation circuit includes the first light-coupled isolation module, first light-coupled isolation
Module is in parallel with the first resistor or the second resistance.
Second of possible embodiment with reference to first aspect, an embodiment of the present invention provides the 4th of first aspect the
The possible embodiment of kind, wherein the optical coupling isolation circuit includes the first light-coupled isolation module and the second light-coupled isolation mould
Group, the first light-coupled isolation module are in parallel with the first resistor；The second light-coupled isolation module and the second resistance
It is in parallel.
The third or the 4th kind of possible embodiment with reference to first aspect, an embodiment of the present invention provides first party
The 5th kind of possible embodiment in face, wherein the first light-coupled isolation module or the second light-coupled isolation module include
Optic coupling element and 3rd resistor, the control terminal of the optic coupling element are connect with the main control module.
Second of possible embodiment with reference to first aspect, an embodiment of the present invention provides the 6th of first aspect the
The possible embodiment of kind, wherein the optical coupling isolation circuit includes the first controllable switch module and the second controllable switch mould
Group, the first controllable switch module are in parallel with the first resistor；The second controllable switch module and the second resistance
It is in parallel.
The 6th kind of possible embodiment with reference to first aspect, an embodiment of the present invention provides the 7th of first aspect the
Kind possible embodiment, wherein the first controllable switch module or the second controllable switch module include controllable switch
With the 4th resistance；The control terminal of the controllable switch is connect with the main control module.
The 7th kind of possible embodiment with reference to first aspect, an embodiment of the present invention provides the 8th of first aspect the
The possible embodiment of kind, wherein the controllable switch is solid-state relay；Alternatively, the controllable switch includes field-effect tube
And optocoupler；Alternatively, the controllable switch includes triode and optocoupler.
With reference to first aspect, an embodiment of the present invention provides the 9th kind of possible embodiments of first aspect, wherein
The controllable switch power supply further includes second switch power module and voltage reduction module；The second switch power module passes through institute
State external power interface connection external power supply；The voltage reduction module is connected to the second switch power module and the master control
Between module.
Second aspect, the embodiment of the present invention additionally provide a kind of purification water tank, including described in above-mentioned any one of first aspect
Controllable switch power supply, further include the water ionizer being connect with the controllable switch power supply.
The embodiment of the present invention brings following advantageous effect：
Controllable switch power supply provided in an embodiment of the present invention and the purification water tank comprising the power supply, wherein controllable switch electricity
Source is provided with current detection module and isolation feedback module, and current detection module can detect first switch power module to water
The output current of ion generator causes the conductivity of water to change when the water quality in water ionizer changes, the
The output current of one switch power module changes and is detected by current detection module, and main control module is according to first switch
The output current of power module provides polarization voltage to feedback module is isolated, and first switch electricity is adjusted by the way that feedback module is isolated
The output of source module so as to the output of regulating switch power supply, and then realizes the power adjustable of purification water tank.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages are in specification, claim
Specifically noted structure is realized and is obtained in book and attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and match
Appended attached drawing is closed, is described in detail below.
Description of the drawings
It, below will be to tool in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Body embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing be some embodiments of the present invention, for those of ordinary skill in the art, what is do not made the creative labor
Under the premise of, other drawings may also be obtained based on these drawings.
The structure diagram for the controllable switch power supply that Fig. 1 is provided by one embodiment of the invention；
The structure diagram for the controllable switch power supply that Fig. 2 is provided by another embodiment of the present invention；
The circuit diagram for the optical coupling isolation circuit that Fig. 3 is provided by one embodiment of the invention；
The circuit diagram for the optical coupling isolation circuit that Fig. 4 is provided by another embodiment of the present invention；
The circuit diagram for the optical coupling isolation circuit that Fig. 5 is provided by another embodiment of the present invention；
The circuit diagram for the optical coupling isolation circuit that Fig. 6 is provided by another embodiment of the present invention；
The structure diagram for the purification water tank that Fig. 7 is provided by one embodiment of the invention.
Icon：1- external power interfaces；2- first switch power modules；3- current detection modules；4- isolation feedback moulds
Block；41- feedback units；42- optical coupling isolation circuits；421- the first light-coupled isolation modules；422- the second light-coupled isolation modules；
423- the first controllable switch modules；424- the second controllable switch modules；5- main control modules；6- second switch power modules；7- drops
Die block；10- controllable switch power supplys；20- water ionizers.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.The component of embodiments of the present invention, which are generally described and illustrated herein in the accompanying drawings can be with a variety of different
It configures to arrange and design.Therefore, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to below
The range of claimed invention is limited, but is merely representative of the selected embodiment of the present invention.Based on the implementation in the present invention
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The scope of protection of the invention.
The problem of can not carrying out power regulation for the water ionizer in existing purification water tank, the present invention are implemented
Example provides a kind of controllable switch power supply and the purification water tank comprising the power supply, can be with the output of regulating switch power supply, Jin Ershi
The power adjustable of existing purification water tank.It describes in detail first to the controllable switch power supply of the present invention below.
Embodiment one
This embodiment offers a kind of controllable switch power supplys, as shown in Figure 1, the controllable switch power supply includes first switch
Power module 2, current detection module 3, isolation feedback module 4, main control module 5, second switch power module 6, voltage reduction module 7
With external power interface 1.
Wherein, first switch power module 2 by external power interface 1 connect external power supply and output voltage to water from
Electronic generator 20.External power supply can be mains supply, can also be DC power supply.First switch power module 2 is for being negative
Power supply is carried, load can be water ionizer, can also be the other loads for needing regulation power.For example, first switch is electric
Source module 2 is used for the positive and negative electrode for water ionizer to power supply.
Current detection module 3 is connected between first switch power module 2 and the input terminal of main control module 5.Isolation feedback
Module 4 is connected between first switch power module 2 and the output end of main control module 5.Current detection module 3 is for detecting the
Output current is input to main control module 5 by the output current of one switch power module 2.Main control module 5 according to first for opening
The output current of powered-down source module 2 provides polarization voltage to isolation feedback module 4, first is adjusted by the way that feedback module 4 is isolated
The output of switch power module 2.
Current detection circuit general in Switching Power Supply may be used in current detection module 3, such as current transformer, RC electricity
Road etc..
Wherein, main control module 5 may include control chip, such as microcontroller, MCU (Micro Control Unit, microcontroller
Unit), ASIC (Application Specific Intergrated Circuits, application-specific integrated circuit), DSP
(Digital Signal Processing, digital signal processing chip), FPGA (Field-Programmable Gate
Array, field programmable gate array) etc. control chip, control chip provided by output pwm signal or low and high level inclined
Voltage is set, the duty ratio of pwm signal is adjusted according to the input of current detection module 3, changes first switch power supply mould to realize
The output voltage of block 2 or the purpose of output power.When the control signal for controlling chip output is pwm signal, pwm signal
Frequency is more than the frequency of first switch power module 2, such as the frequency of pwm signal can be more than 50K.Main control module 5 can be with
By adjusting the duty ratio of pwm signal, realize that electrodeless adjustment voltage, the range of output voltage are wider.
Second switch power module 6 connects external power supply by external power interface 1.Voltage reduction module 7 is connected to second and opens
Between powered-down source module 6 and main control module 5.Second switch power module 6 is independently of the power supply of first switch power module 2,
Not altogether with first switch power module 2, can also be water ion mainly by providing electricity for 7 main control module 5 of voltage reduction module
The relay of generator, fan, water pump, other component power supplies such as air pump.Voltage reduction module 7 can be DC-DC (Direct
Current-Direct Current, DC-DC) module or LDO (low dropout regulator, low voltage difference line
Property voltage-stablizer) module.
It is master control by first switch power module 2 it should be noted that second switch power module 6 can not also be arranged
Module 5 and the power supply of other components.
Optionally, as shown in Fig. 2, isolation feedback module 4 includes partial pressure isolated location 42 and feedback unit 41.Partial pressure every
It is connect with main control module 5 and first switch power module 2 from unit 42, feedback unit 41 and partial pressure isolated location 42 and first
Switch power module 2 connects.
In a kind of optional embodiment, partial pressure isolated location 42 include first resistor R1, second resistance R2 and optocoupler every
From circuit.First resistor R1 and second resistance R2 are composed in series partial pressure branch, divide one end connection first switch power supply of branch
Module 2, other end ground connection.Optical coupling isolation circuit is connect with partial pressure branch.
In a kind of optional embodiment, as shown in Figure 3 or Figure 4, optical coupling isolation circuit includes the first light-coupled isolation module
421, the first light-coupled isolation module 421 includes optic coupling element U1 and 3rd resistor R3, control terminal and the master control mould of optic coupling element U1
Block 5 connects.In figure 3, the first light-coupled isolation module 421 is in parallel with first resistor R1, in Fig. 4, the first light-coupled isolation mould
Group 421 is in parallel with second resistance R2.
In an alternative embodiment, as shown in figure 5, optical coupling isolation circuit includes the first light-coupled isolation module 421
With the second light-coupled isolation module 422, the first light-coupled isolation module 421 includes optic coupling element U1 and 3rd resistor R3, optic coupling element
The control terminal of U1 is connect with main control module 5.Second light-coupled isolation module 422 includes optic coupling element U2 and 3rd resistor R4, light
The control terminal of coupling element U2 is connect with main control module 5.First light-coupled isolation module 421 is in parallel with first resistor R1；Second optocoupler
It is in parallel with second resistance R2 that module 422 is isolated.
Light-coupled isolation module is controlled by pwm signal, it is continuously adjustable that output voltage may be implemented.
In an alternative embodiment, as shown in fig. 6, optical coupling isolation circuit includes the first controllable switch module 423
With the second controllable switch module 424, the first controllable switch module 423 is in parallel with first resistor R1；Second controllable switch module
424 is in parallel with second resistance R2.First controllable switch module 423 includes controllable switch S10 and the 4th resistance R5, controllable switch
The control terminal of S10 is connect with main control module 5.Second controllable switch module 424 includes controllable switch S20 and the 4th resistance R6, can
The control terminal of control switch S20 is connect with main control module 5.
By controllable switch, partial pressure proportioning may be implemented, voltage stepwise adjustable is realized, equivalent to increase several gears.
Controllable switch S10 or controllable switch S20 can also be by the parallel connection of multiple controllable switches.
Wherein, controllable switch can be solid-state relay；Alternatively, controllable switch may include field-effect tube and optocoupler；Again
Alternatively, controllable switch may include triode and optocoupler.
Voltage feedback circuit or current feedback circuit may be used in feedback unit 41.For example, feedback unit 41 uses voltage
Positive-feedback circuit is connected between first resistor R1 and second resistance R2, and the partial pressure of two resistance is fed back to first switch power supply
Module 2, to adjust the output voltage of first switch power module 2.
Above-mentioned first resistor, second resistance, 3rd resistor and the 4th resistance can be a resistance, can also be packet
The resistance combination of multiple resistance is included, multiple resistance can connect, can also be in parallel.Resistance series connection can promote pressure resistance, and resistance is simultaneously
Connection can be with hoisting power capacity.
Controllable switch power supply provided in an embodiment of the present invention and the purification water tank comprising the power supply, wherein controllable switch electricity
Source is provided with current detection module and isolation feedback module, and current detection module can detect first switch power module to water
The output current of ion generator causes the conductivity of water to change when the water quality in water ionizer changes, the
The output current of one switch power module changes and is detected by current detection module, and main control module is according to first switch
The output current of power module provides polarization voltage to feedback module is isolated, and first switch electricity is adjusted by the way that feedback module is isolated
The output of source module so as to the output of regulating switch power supply, and then realizes the power adjustable of purification water tank.
Embodiment two
This embodiment offers a kind of purification water tanks, as shown in fig. 7, the purification water tank includes 10 He of controllable switch power supply
The water ionizer 20 being connect with controllable switch power supply 10.The positive and negative electrode of water ionizer 20 is to being arranged in purified water
On the cell wall of slot.
The controllable switch power supply recorded in above-described embodiment one, including first switch may be used in controllable switch power supply 10
Power module, current detection module, isolation feedback module, main control module, second switch power module, voltage reduction module and outside
Power interface.First switch power module connects external power supply by external power interface.First switch power module is for being
The positive and negative electrode of water ionizer is to power supply.Current detection module is connected to first switch power module and main control module
Between input terminal.Isolation feedback module is connected between first switch power module and the output end of main control module.Current detecting
Module is used to detect the output current of first switch power module, and output current is input to main control module.Main control module is used for
According to the output current of first switch power module, polarization voltage is provided to feedback module is isolated, by the way that feedback module is isolated
Adjust the output of first switch power module.Details are not described herein for its concrete structure.
Controllable switch power supply 10 may be implemented that output voltage is continuously adjustable or gear is adjustable, realize different regions difference water
The clean-up effect of matter.Output power can also be adjusted according to user's use habit, and then adjusts the work(of water ionizer 20
Rate, and power adjustment is carried out for overload, also power device is avoided to overheat while reaching effect, causes the lost of life.
Controllable switch power supply and purification water tank provided in an embodiment of the present invention technical characteristic having the same, so also can
Identical technical problem is solved, identical technique effect is reached.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；
It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned term with concrete condition
Concrete meaning in the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for the description present invention and simplify description, specific side must be had by not indicating or implying the indicated device or element
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " the
Two ", " third " is used for description purposes only, and is not understood to indicate or imply relative importance.
Finally it should be noted that：Embodiment described above, only specific implementation mode of the invention, to illustrate this hair
Bright technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although right with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those of ordinary skill in the art that：Any technology for being familiar with the art
Personnel in the technical scope disclosed by the present invention, can still modify to the technical solution recorded in previous embodiment
Or variation or equivalent replacement of some of the technical features can be readily occurred in；And these modifications, variation or replacement,
The spirit and scope for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution, should all cover in this hair
Within bright protection domain.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (11)
1. a kind of controllable switch power supply, which is characterized in that including first switch power module, current detection module, isolation feedback
Module, main control module and external power interface；
The first switch power module connects external power supply by the external power interface and output voltage to water ion is sent out
Raw device；The current detection module is connected between the first switch power module and the input terminal of the main control module；Institute
Isolation feedback module is stated to be connected between the first switch power module and the output end of the main control module；
The current detection module is used to detect the output current of the first switch power module, and the output current is inputted
To the main control module；The main control module is used for the output current according to the first switch power module, provides polarization electricity
It is depressed into the isolation feedback module, the output of the first switch power module is adjusted by the isolation feedback module.
2. controllable switch power supply according to claim 1, which is characterized in that the isolation feedback module includes that partial pressure is isolated
Unit and feedback unit；The partial pressure isolated location is connect with the main control module and the first switch power module, described
Feedback unit is connect with the partial pressure isolated location and the first switch power module.
3. controllable switch power supply according to claim 1, which is characterized in that the partial pressure isolated location includes the first electricity
Resistance, second resistance and optical coupling isolation circuit；The first resistor and the second resistance are composed in series partial pressure branch, the partial pressure
One end of branch connects the first switch power module, other end ground connection；The optical coupling isolation circuit and the partial pressure branch
Connection.
4. controllable switch power supply according to claim 3, which is characterized in that the optical coupling isolation circuit includes the first optocoupler
Module is isolated, the first light-coupled isolation module is in parallel with the first resistor or the second resistance.
5. controllable switch power supply according to claim 3, which is characterized in that the optical coupling isolation circuit includes the first optocoupler
Module is isolated and the second light-coupled isolation module, the first light-coupled isolation module are in parallel with the first resistor；Second light
It is in parallel with the second resistance that module is isolated in coupling.
6. controllable switch power supply according to claim 4 or 5, which is characterized in that the first light-coupled isolation module or institute
It includes optic coupling element and 3rd resistor to state the second light-coupled isolation module, and the control terminal of the optic coupling element connects with the main control module
It connects.
7. controllable switch power supply according to claim 3, which is characterized in that the optical coupling isolation circuit includes first controllable
It switchs module and the second controllable switch module, the first controllable switch module is in parallel with the first resistor；Described second can
Control switch module is in parallel with the second resistance.
8. controllable switch power supply according to claim 7, which is characterized in that the first controllable switch module or described
Two controllable switch modules include controllable switch and the 4th resistance；The control terminal of the controllable switch is connect with the main control module.
9. controllable switch power supply according to claim 8, which is characterized in that the controllable switch is solid-state relay；Or
Person, the controllable switch include field-effect tube and optocoupler；Alternatively, the controllable switch includes triode and optocoupler.
10. controllable switch power supply according to claim 1, which is characterized in that the controllable switch power supply further includes second
Switch power module and voltage reduction module；The second switch power module connects external power supply by the external power interface；
The voltage reduction module is connected between the second switch power module and the main control module.
11. a kind of purification water tank, which is characterized in that including controllable switch power supply according to any one of claims 1 to 10, also
It include the water ionizer being connect with the controllable switch power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810867588.9A CN108736706A (en) | 2018-08-01 | 2018-08-01 | Controllable switch power supply and purification water tank comprising the power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810867588.9A CN108736706A (en) | 2018-08-01 | 2018-08-01 | Controllable switch power supply and purification water tank comprising the power supply |
Publications (1)
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| CN111431402A (en) * | 2020-05-01 | 2020-07-17 | 广东博智林机器人有限公司 | Voltage conversion output circuit |
| CN112928910A (en) * | 2021-02-08 | 2021-06-08 | 上海空间电源研究所 | Voltage-regulating output switch power supply |
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