CN208508790U - 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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- CN208508790U CN208508790U CN201821234228.7U CN201821234228U CN208508790U CN 208508790 U CN208508790 U CN 208508790U CN 201821234228 U CN201821234228 U CN 201821234228U CN 208508790 U CN208508790 U CN 208508790U
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Abstract
The utility model provides a kind of controllable switch power supply and the purification water tank comprising the power supply, belongs to power supply technical field.Controllable switch power supply provided by the embodiment of the utility model 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 detecte the output electric current of first switch power module, main control module provides polarization voltage to feedback module is isolated according to the output electric current of first switch power module, the output of first switch power module is adjusted by isolation feedback module, so as to the output of regulating switch power supply, and then realize the power adjustable of purification water tank.
Description
Technical field
The utility model relates to power supply technical fields, in particular to a kind of controllable switch power supply and include this
The purification water tank of power supply.
Background technique
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, increases
Purification function, and it is not take up original kitchen area, under integrated and functionalization double dominant, there is disinfection function
Sink it is quite attractive.
Existing sink generallys use water ionizer and 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 current water ionizer generallys use fixed source of stable pressure, since fixed source of stable pressure fits various regions water quality
It answers degree different, causes effect difference larger.When especially user washes the fruit such as strawberry or red bayberry, if salt is added, it can increase
Add conductivity, in the case where the power of water ionizer is fixed, may result in that water ionizer directly protects cannot
Work.
Utility model content
For above-mentioned problems of the prior art, the utility model provides a kind of controllable switch power supply and comprising this
The purification water tank of power supply, the output of adjustable Switching Power Supply, and then realize the power adjustable of purification water tank.
In a first aspect, the utility model embodiment provides a kind of controllable switch power supply, including first switch power module,
Current 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 electric current of the first switch power module, by the output electric current
It is input to the main control module；The main control module is used for the output electric current according to the first switch power module, provides partially
Voltage shake to the isolation feedback module, the output of the first switch power module is adjusted by the isolation feedback module.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, the isolation feedback module includes partial pressure isolated location and feedback unit；The partial pressure isolated location and the main control module
It is connected with the first switch power module, the feedback unit and the partial pressure isolated location and the first switch power supply mould
Block connection.
With reference to first aspect, the utility model embodiment provides second of possible embodiment of first aspect,
In, the partial pressure isolated location includes first resistor, second resistance and optical coupling isolation circuit；The first resistor and described second
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.
The possible embodiment of second with reference to first aspect, the utility model embodiment provide the of first aspect
Three kinds of possible embodiments, wherein the optical coupling isolation circuit includes the first light-coupled isolation mould group, first light-coupled isolation
Mould group is in parallel with the first resistor or the second resistance.
The possible embodiment of second with reference to first aspect, the utility model embodiment provide the of first aspect
Four kinds of possible embodiments, wherein the optical coupling isolation circuit includes the first light-coupled isolation mould group and the second light-coupled isolation mould
Group, the first light-coupled isolation mould group are in parallel with the first resistor；The second light-coupled isolation mould group and the second resistance
It is in parallel.
The third or the 4th kind of possible embodiment, the utility model embodiment with reference to first aspect provides first
5th kind of possible embodiment of aspect, wherein the first light-coupled isolation mould group or the second light-coupled isolation mould group packet
Optic coupling element and 3rd resistor are included, the control terminal of the optic coupling element is connected to the main control module.
The possible embodiment of second with reference to first aspect, the utility model embodiment provide the of first aspect
Six kinds of possible embodiments, wherein the optical coupling isolation circuit includes the first controllable switch mould group and the second controllable switch mould
Group, the first controllable switch mould group are in parallel with the first resistor；The second controllable switch mould group and the second resistance
It is in parallel.
The 6th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Seven kinds of possible embodiments, wherein the first controllable switch mould group or the second controllable switch mould group are including controllably opening
It closes and the 4th resistance；The control terminal of the controllable switch is connected to the main control module.
The 7th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Eight kinds of possible embodiments, wherein the controllable switch is solid-state relay；Alternatively, the controllable switch includes field-effect
Pipe and optocoupler；Alternatively, the controllable switch includes triode and optocoupler.
With reference to first aspect, the utility model embodiment provides the 9th kind of possible embodiment of first aspect,
In, the controllable switch power supply further includes second switch power module and voltage reduction module；The second switch power module passes through
The external power interface connects external power supply；The voltage reduction module is connected to the second switch power module and the master control
Between module.
Second aspect, the utility model embodiment additionally provide any one of a kind of purification water tank, including above-mentioned first aspect
The controllable switch power supply further includes the water ionizer connecting with the controllable switch power supply.
The utility model embodiment bring it is following the utility model has the advantages that
Controllable switch power supply provided by the embodiment of the utility model and the purification water tank comprising the power supply, wherein controllably open
Powered-down source be provided with current detection module and isolation feedback module, current detection module can detecte first switch power module to
The output electric current of water ionizer causes the conductivity of water to change when the water quality in water ionizer changes,
The output electric current of first switch power module changes and is detected by current detection module, and main control module is according to first switch
The output electric current of power module provides polarization voltage to feedback module is isolated, and adjusts first switch power supply by isolation feedback module
The output of module so as to the output of regulating switch power supply, and then realizes the power adjustable of purification water tank.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural block diagram of controllable switch power supply provided by an embodiment of the present invention；
Fig. 2 is the structural block diagram of controllable switch power supply provided by another embodiment of the utility model；
Fig. 3 is the circuit diagram of optical coupling isolation circuit provided by an embodiment of the present invention；
Fig. 4 is the circuit diagram of optical coupling isolation circuit provided by another embodiment of the utility model；
Fig. 5 is the circuit diagram of optical coupling isolation circuit provided by another embodiment of the utility model；
Fig. 6 is the circuit diagram of optical coupling isolation circuit provided by another embodiment of the utility model；
Fig. 7 is the structural block diagram of purification water tank provided by an embodiment of the present invention.
Icon: 1- external power interface；2- first switch power module；3- current detection module；4- isolation feedback mould
Block；41- feedback unit；42- optical coupling isolation circuit；421- the first light-coupled isolation mould group；422- the second light-coupled isolation mould group；423-
First controllable switch mould group；424- the second controllable switch mould group；5- main control module；6- second switch power module；7- is depressured mould
Block；10- controllable switch power supply；20- water ionizer.
Specific embodiment
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below in conjunction with attached drawing to this
The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model a part is real
Example is applied, instead of all the embodiments.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can
To arrange and design with a variety of different configurations.Therefore, below to the embodiments of the present invention provided in the accompanying drawings
Detailed description is not intended to limit the range of claimed invention, but is merely representative of the selected reality of the utility model
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
Aiming at the problem that water ionizer in existing purification water tank can not carry out power regulation, the utility model is real
It applies example and provides a kind of controllable switch power supply and the purification water tank comprising the power supply, the output of adjustable Switching Power Supply, in turn
Realize the power adjustable of purification water tank.It describes in detail first to the controllable switch power supply of the utility model 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 electricity
Source module 2, current detection module 3, isolation feedback module 4, main control module 5, second switch power module 6, voltage reduction module 7 and outer
Portion's power interface 1.
Wherein, first switch power module 2 connects external power supply and output voltage to water ion by external power interface 1
Generator 20.External power supply can be mains supply, be also possible to DC power supply.First switch power module 2 is used for as load
Power supply, load can be water ionizer, be also possible to need other loads of regulation power.For example, first switch power supply
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 electric current is input to main control module 5 by the output electric current of one switch power module 2.Main control module 5 is used for according to first switch
The output electric current of power module 2 provides polarization voltage to isolation feedback module 4, adjusts first switch by isolation feedback module 4
The output of power module 2.
Current detection module 3 can be using current detection circuit general in Switching Power Supply, such as current transformer, RC circuit
Deng.
Wherein, main control module 5 may include control chip, such as single-chip microcontroller, MCU (Micro Control Unit, microcontroller
Unit), ASIC (Application Specific Intergrated Circuits, 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 provide biasing by output pwm signal or low and high level
Voltage, the duty ratio of pwm signal is adjusted according to the input of current detection module 3, changes first switch power module 2 to realize
Output voltage or output power purpose.When the control signal for controlling chip output is pwm signal, the frequency of pwm signal
Frequency greater than the frequency of first switch power module 2, such as pwm signal can be greater than 50K.Main control module 5 can pass through tune
The duty ratio of pwm signal is saved, realizes stepless changing voltage, the range of output voltage is 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,
It 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 also be not provided with
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 isolation
Unit 42 is connect with main control module 5 and first switch power module 2, and feedback unit 41 is opened with partial pressure isolated location 42 and first
Powered-down source module 2 connects.
In an alternative 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 an alternative embodiment, as shown in Figure 3 or Figure 4, optical coupling isolation circuit includes the first light-coupled isolation mould group
421, the first light-coupled isolation mould group 421 includes optic coupling element U1 and 3rd resistor R3, the control terminal and master control mould of optic coupling element U1
Block 5 connects.In Fig. 3, the first light-coupled isolation mould group 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 mould group 421
With the second light-coupled isolation mould group 422, the first light-coupled isolation mould group 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 mould group 422 includes optic coupling element U2 and 3rd resistor R4, optocoupler
The control terminal of element U2 is connect with main control module 5.First light-coupled isolation mould group 421 is in parallel with first resistor R1；Second optocoupler every
It is in parallel with second resistance R2 from mould group 422.
Light-coupled isolation mould group 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 mould group 423
With the second controllable switch mould group 424, the first controllable switch mould group 423 is in parallel with first resistor R1；Second controllable switch mould group
424 is in parallel with second resistance R2.First controllable switch mould group 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 mould group 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 proportion may be implemented, voltage stepwise adjustable is realized, equivalent to increase several gears.
Controllable switch S10 or controllable switch S20 can also be in parallel by 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.
Feedback unit 41 can use voltage feedback circuit or current feedback circuit.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, be also possible to include
The resistance combination of multiple resistance, multiple resistance can connect, can also be in parallel.Resistance series connection can promote pressure resistance, resistor coupled in parallel
It can be with hoisting power capacity.
Controllable switch power supply provided by the embodiment of the utility model and the purification water tank comprising the power supply, wherein controllably open
Powered-down source be provided with current detection module and isolation feedback module, current detection module can detecte first switch power module to
The output electric current of water ionizer causes the conductivity of water to change when the water quality in water ionizer changes,
The output electric current of first switch power module changes and is detected by current detection module, and main control module is according to first switch
The output electric current of power module provides polarization voltage to feedback module is isolated, and adjusts first switch power supply by isolation feedback module
The output of 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 include controllable switch power supply 10 and with
The water ionizer 20 that controllable switch power supply 10 connects.The positive and negative electrode of water ionizer 20 is to being arranged in purification water tank
On cell wall.
Controllable switch power supply 10 can be using controllable switch power supply documented by above-described embodiment one, including first switch electricity
Source module, current detection module, isolation feedback module, main control module, second switch power module, voltage reduction module and external power supply
Interface.First switch power module connects external power supply by external power interface.First switch power module be used for for water from
The positive and negative electrode of electronic generator is to power supply.Current detection module is connected to the input terminal of first switch power module and main control module
Between.Isolation feedback module is connected between first switch power module and the output end of main control module.Current detection module is used
In the output electric current of detection first switch power module, output electric current is input to main control module.Main control module is used for according to the
The output electric current of one switch power module provides polarization voltage to feedback module is isolated, adjusts first by isolation feedback module
The output of switch power module.Details are not described herein for its specific structure.
Controllable switch power supply 10 may be implemented that output voltage is continuously adjustable or gear is adjustable, realize different regions different quality
Clean-up effect.Output power can also be adjusted according to user's use habit, and then adjusts the power of water ionizer 20, 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 by the embodiment of the utility model technical characteristic having the same, so
It can solve identical technical problem, reach identical technical effect.
In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Finally, it should be noted that embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the protection scope of the utility model is not limited thereto, although referring to aforementioned
The utility model is described in detail in embodiment, those skilled in the art should understand that: it is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to skill documented by previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation or replacement, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered described is wanted with right
Subject to the protection scope asked.
Claims (10)
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 electric current of the first switch power module, and the output electric current is inputted
To the main control module；The main control module is used for the output electric 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 partial pressure isolation
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 2, 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
Isolation mode group, the first light-coupled isolation mould group are in parallel with the first resistor or the second resistance；Alternatively, the optocoupler every
It include the first light-coupled isolation mould group and the second light-coupled isolation mould group from circuit, the first light-coupled isolation mould group is electric with described first
Resistance is in parallel；The second light-coupled isolation mould group is in parallel with the second resistance.
5. controllable switch power supply according to claim 4, which is characterized in that the first light-coupled isolation mould group or described
Two light-coupled isolation mould groups include optic coupling element and 3rd resistor, and the control terminal of the optic coupling element is connected to the main control module.
6. controllable switch power supply according to claim 3, which is characterized in that the optical coupling isolation circuit includes first controllable
Switching molding group and the second controllable switch mould group, the first controllable switch mould group are in parallel with the first resistor；Described second can
It is in parallel with the second resistance to control switching molding group.
7. controllable switch power supply according to claim 6, which is characterized in that the first controllable switch mould group or described
Two controllable switch mould groups include controllable switch and the 4th resistance；The control terminal of the controllable switch is connected to the main control module.
8. controllable switch power supply according to claim 7, 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.
9. controllable switch power supply according to claim 1, which is characterized in that the controllable switch power supply further includes second opening
Powered-down source module and voltage reduction module；The second switch power module connects external power supply by the external power interface；Institute
Voltage reduction module is stated to be connected between the second switch power module and the main control module.
10. a kind of purification water tank, which is characterized in that including controllable switch power supply according to any one of claims 1 to 9, also
Including the water ionizer being connect with the controllable switch power supply.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821234228.7U CN208508790U (en) | 2018-08-01 | 2018-08-01 | Controllable switch power supply and purification water tank comprising the power supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821234228.7U CN208508790U (en) | 2018-08-01 | 2018-08-01 | Controllable switch power supply and purification water tank comprising the power supply |
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| CN208508790U true CN208508790U (en) | 2019-02-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736706A (en) * | 2018-08-01 | 2018-11-02 | 杭州老板电器股份有限公司 | Controllable switch power supply and purification water tank comprising the power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736706A (en) * | 2018-08-01 | 2018-11-02 | 杭州老板电器股份有限公司 | Controllable switch power supply and purification water tank comprising the power supply |
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