CN205901431U - A supply circuit , liquid heated chamber for liquid heated chamber - Google Patents
A supply circuit , liquid heated chamber for liquid heated chamber Download PDFInfo
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- CN205901431U CN205901431U CN201620900558.XU CN201620900558U CN205901431U CN 205901431 U CN205901431 U CN 205901431U CN 201620900558 U CN201620900558 U CN 201620900558U CN 205901431 U CN205901431 U CN 205901431U
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- diode
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- power supply
- liquid heater
- supply circuits
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Abstract
The utility model provides a supply circuit and liquid heated chamber, wherein for liquid heated chamber supply circuit includes: a binding post, first diode, energy -storage capacitor and second diode, and a binding post is connected to the positive pole of first diode, and the negative pole of first diode is connected to energy -storage capacitor's positive pole to at liquid heated chamber circular telegram during operation, make the operating current charge for energy -storage capacitor through first diode, energy -storage capacitor's positive pole still is connected to the positive pole of second diode, and the positive pole of second diode is connected to a binding post to when liquid heated chamber cuts off the power supply, make the power supply electric current flow from energy -storage capacitor and supply power through the second diode. This technical scheme does not only need processing to realize electric memory function through hardware circuit, low cost, safe and reliable and easy operation, and the use that is favorable to promoting the user is experienced.
Description
Technical field
This utility model is related to household electrical appliance technical field, in particular to a kind of confession for liquid heater tool
Circuit and a kind of liquid heater tool.
Background technology
At present, market much has the household electronic products of power-failure memory function, power-failure memory be all by software with
Come to realize, processing procedure is about the mode of combination of hardware: by mcu (microcontroller unit, microcontroller list
Unit) process judge whether enter power-down state, if current operating state data be preserved, then again pass through other storage
The discharge process of energy class device, to maintain the utensil power-failure memory time, makes utensil can continue to normal work, but the method, soft
Part processes operating process complexity, and program code takies substantial amounts of mcu volume space.Meanwhile, the not rigorous pole of the carelessness of programming personnel
Easily leave bug, bring certain risk to product development, and then affect the experience of user.
Therefore, how to provide a kind of power-failure memory method with low cost, safe and reliable and simple to operate, it is to avoid software and hardware
In conjunction with the easy produced problem of processing mode, thus lifting the experience of user, become technical problem urgently to be resolved hurrily.
Utility model content
This utility model is intended at least solve one of technical problem present in prior art or correlation technique.
For this reason, a purpose of the present utility model is to propose a kind of power supply circuits for liquid heater tool, only logical
Cross hardware circuit to realize power-failure memory function without software processes, with low cost, safe and reliable and simple to operate, favorably
Experience in lifting user.
Another purpose of the present utility model is to propose a kind of liquid heater tool with this power supply circuits.
For realizing at least one purpose above-mentioned, the embodiment according to first aspect of the present utility model is it is proposed that a kind of use
Power supply circuits in liquid heater tool, comprising: the first binding post, the first diode, storage capacitor and the second diode；With
And described first binding post connects to the positive pole of described first diode, the negative pole of described first diode connects to described storage
The positive pole of energy electric capacity, when described liquid heater has energising work, to make operating current pass through described first diode for institute
State storage capacitor to charge；The positive pole of described storage capacitor is additionally coupled to the positive pole of described second diode, described second diode
Positive pole connect to described first binding post, in the tool power-off of described liquid heater, to make supply current from described energy storage
Electric capacity flows out and is powered through described second diode.
The power supply circuits being had for liquid heater according to embodiment of the present utility model, by respectively by the one or two pole
The negative pole of pipe, the positive pole of the second diode are connected to the positive pole of storage capacitor, then the unidirectional general character according to diode, then permissible
In liquid heater tool normal power-up work, realize operating current and flow through the work that the first diode pair storage capacitor is charged
Make process, and in liquid heater tool abnormal power-down, in order to ensure liquid heater tool is able to maintain that normal working condition
Writing task data, realizes power-failure memory function, then storage capacitor can discharge supply current, is liquid after the second diode
The power supply of other devices of body heater tool, such as, temperature detection device, display device etc., to maintain it to realize whole or portion
Divide function, and avoid supply current to be back in storage capacitor, in addition, this power supply circuits also includes being connected to the first diode
First binding post of the negative pole of positive pole and the second diode, for charge when incoming end and electric discharge when outfan, such as
This, by this technical scheme, only realize power-failure memory function by hardware circuit without software processes, with low cost,
Safe and reliable and simple to operate, be conducive to lifting the experience of user.
The power supply circuits being had for liquid heater according to above-described embodiment of the present utility model, can also have following
Technical characteristic:
According to embodiment of the present utility model, in technique scheme, also include: charging resistor, and described charging
One end of resistance connects and connects to the positive pole of described first diode to described first binding post, the other end.
In this embodiment, in order to realize the effective control in the charging interval to storage capacitor, to adapt to different uses
Demand, preferably can make operating current just enter back into the first diode after sequentially passing through the first binding post and charging resistor
Extremely storage capacitor is charged, that is, when the resistance of charging resistor is larger, longer to the charging interval of storage capacitor, otherwise relatively
Short.
According to embodiment of the present utility model, in technique scheme, the one or more resistance of described charging resistor, with
And when for multiple resistance, the plurality of resistor coupled in parallel connects.
In this embodiment, in this embodiment, the quantity of the resistance that charging resistor includes can set according to the actual requirements
Put, can have one or more, and when having multiple, the plurality of resistance is in the relation being connected in parallel, to guarantee when one of
When resistance damages, still power supply circuits normal work can be guaranteed by other resistance；It is possible to further by adjusting therein one
Individual or multiple resistances changes the resistance of the charging resistor of whole circuit, thus the tune in the charging interval to storage capacitor for the adjustment
Whole, specifically, charging resistor can include two.
According to embodiment of the present utility model, in technique scheme, it is adjustable variable that described resistance includes resistance
Resistance.
In this embodiment, on the one hand, the one or more resistance included by charging resistor can be adjustable for resistance
Variable resistance, such as slide rheostat, adapt to different charging interval demands can adjust resistance at any time, meet personalization
Use demand.
According to embodiment of the present utility model, in technique scheme, described resistance includes the fixing paster electricity of resistance
Resistance.
In this embodiment, on the other hand, the one or more resistance included by charging resistor can also be fixed for resistance
Chip-R, such as resistance is 200 ohm, will the demand in charging interval specifically fixed of coupling, meet popular
Use demand.
According to embodiment of the present utility model, in any of the above-described technical scheme, described first diode and described second
Diode is switching diode.
In this embodiment, the type of the first diode and the second diode is switching diode, is beneficial to realization and works as liquid
During body heater tool normal work, only realize the charging process to storage capacitor, and when liquid heater tool abnormal power-down, can
So that power supply is continued by storage capacitor, so that liquid heater is had and work on, maintain and realize its all or part of function.
According to embodiment of the present utility model, in any of the above-described technical scheme, described storage capacitor includes farad capacitor.
In this embodiment, in order to liquid heater tool abnormal power-down after it is ensured that the electric energy of storage capacitor can be to liquid
Body heater tool continues power supply, maintains the continuation normal work of its all or part of function, then storage capacitor can select great Rong
The farad capacitor of amount, using its charging rate fast, service life cycle length, large current discharging capability are strong, energy conversion efficiency is high
The advantages of, advantageously in realizing effective charge and discharge, reach purpose safe and reliable, simple to operate naturally it is also possible to use it
Its jumbo electric capacity replaces farad capacitor.
According to embodiment of the present utility model, in technique scheme, the value model of the capacitance of described storage capacitor
Enclose for 3f～5f, and the span of the running voltage of described storage capacitor is 4.5v～6.5v.
In this embodiment, the storage capacitor meeting certain parameter value scope is all applied to this power supply circuits, wherein energy storage
The span of the capacitance of electric capacity and running voltage can be respectively as follows: 3f～5f, 4.5v～6.5v, particularly preferably can select
For 4f and 5.5v, to guarantee to realize effective charge and discharge.
According to embodiment of the present utility model, in technique scheme, the voltage of the access voltage of described power supply circuits
The span of value is 4.5v～12.5v.
In this embodiment, the magnitude of voltage of the access voltage of the power supply circuits being matched with the running voltage of storage capacitor is taken
Value is all applied to this power supply circuits, and the span of the magnitude of voltage of its access voltage can be: 4.5v～12.5v, specifically preferably
Ground can elect 5v or 12v as.
According to embodiment of the present utility model, in any of the above-described technical scheme, also include: the second binding post, connect
To the negative pole of described storage capacitor, this second binding post can be grounded.
Embodiment according to second aspect of the present utility model is it is proposed that a kind of liquid heater has, comprising: such as above-mentioned reality
Apply the power supply circuits for liquid heater tool any one of example.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly will be from explained below
In become obvious, or recognized by practice of the present utility model.
Brief description
Above-mentioned and/or additional aspect of the present utility model and advantage will from reference to the description to embodiment for the accompanying drawings below
Become obvious and easy to understand, wherein:
Fig. 1 shows the schematic block diagram of the power supply circuits for liquid heater tool of embodiment of the present utility model；
Fig. 2 shows the circuit diagram of the power supply circuits for liquid heater tool of embodiment of the present utility model.
Specific embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool
Body embodiment is further described in detail to this utility model.It should be noted that in the case of not conflicting, this Shen
Feature in embodiment please and embodiment can be mutually combined.
Elaborate a lot of details in the following description in order to fully understand this utility model, but, this practicality
New can also be different from other modes described here implementing using other, therefore, protection domain of the present utility model is simultaneously
Do not limited by following public specific embodiment.
Fig. 1 shows the schematic block diagram of the power supply circuits for liquid heater tool of embodiment of the present utility model.
As shown in figure 1, the power supply circuits 100 being had for liquid heater according to embodiment of the present utility model, comprising:
First binding post 102, the first diode 104, storage capacitor 106 and the second diode 108.
Wherein, described first binding post 102 connects to the positive pole of described first diode 104, described first diode
104 negative pole connects to the positive pole of described storage capacitor 106, when described liquid heater has energising work, to make work electricity
Stream is charged for described storage capacitor 106 by described first diode 104；The positive pole of described storage capacitor 106 is additionally coupled to institute
State the positive pole of the second diode 108, the positive pole of described second diode 108 connects to described first binding post 102, with institute
When stating liquid heater tool power-off, so that supply current is flowed out from described storage capacitor 106 and carry out through described second diode 108
Power supply.
The power supply circuits 100 being had for liquid heater according to embodiment of the present utility model, by respectively by first
The negative pole of diode 104, the positive pole of the second diode 108 are connected to the positive pole of storage capacitor 106, then unidirectional according to diode
Conduction, then can realize operating current and flow through the first diode 104 to energy storage in liquid heater tool normal power-up work
The work process that electric capacity 106 is charged, and in liquid heater tool abnormal power-down, in order to ensure liquid heater tool can
Maintain normal operating status record operational data, realize power-failure memory function, then storage capacitor 106 can discharge power supply electricity
Stream, the power supply of other devices having for liquid heater after the second diode 108, such as, temperature detection device, display
Part etc., to maintain it to realize all or part of function, and avoids supply current to be back in storage capacitor 106, in addition, this power supply
Circuit 100 also includes being connected to the positive pole of the first diode 104 and the first binding post 102 of the negative pole of the second diode 108,
For outfan when incoming end when charging and electric discharge, so, by this technical scheme, only pass through hardware circuit without
Software processes are wanted to realize power-failure memory function, with low cost, safe and reliable and simple to operate, be conducive to lifting the use of user
Experience.
Preferably, in this embodiment, the type of the first diode 104 and the second diode 108 is switching diode, with
Beneficial to realization when liquid heater has normal work, only realize the charging process to storage capacitor 106, and work as liquid heater
When having abnormal power-down, power supply can be continued by storage capacitor 106, so that liquid heater is had and work on, it is complete that maintenance realizes it
Portion or partial function.
Preferably, in this embodiment, in order to after liquid heater tool abnormal power-down it is ensured that the electricity of storage capacitor 106
Power supply can be continued to liquid heater tool, maintain the continuation normal work of its all or part of function, then storage capacitor 106
Jumbo farad capacitor can be selected, that is, hardware circuit is used jumbo electric capacity as core devices, by its charge and discharge
Electric process realizing the power-failure memory function of liquid heater tool, and the capacity held time by electric capacity of its power down operations with put
The resistance of The electric loop determines, and the storage capacitor 106 meeting certain parameter value scope is all applied to this power supply circuits 100, wherein
The span of the capacitance of storage capacitor 106 and running voltage can be respectively as follows: 3f～5f, 4.5v～6.5v such as, when this
When the capacitance of farad capacitor and running voltage are preferably chosen as 4f and 5.5v, fill once electricity, energy power down operations half an hour is left
The right side, then by the charging rate of farad capacitor fast, service life cycle length, large current discharging capability are strong, energy conversion efficiency is high
The advantages of, advantageously in realizing effective charge and discharge, reach purpose safe and reliable, simple to operate naturally it is also possible to use it
Its jumbo electric capacity replaces farad capacitor.
And further for guaranteeing effective charge and discharge, the access voltage of power supply circuits 100 should be with storage capacitor 106
Running voltage matches, and its span can be 4.5v～12.5v, such as, when the voltage of the running voltage of storage capacitor 106
When being worth for 5.5v, the access voltage of power supply circuits 100 preferably can elect 5v or 12v as, that is, access the voltage of power supply circuits 100
Need to be matched using voltage with electric capacity.
Specifically, the power supply circuits 100 for liquid heater tool of embodiment of the present utility model further comprise:
Charging resistor 110, and one end of described charging resistor 110 connects and connects to institute to described first binding post 102, the other end
State the positive pole of the first diode 104.
In this embodiment, in order to realize the effective control in the charging interval to storage capacitor 106, to adapt to different making
With demand, operating current preferably can be made to enter back into the one or two after sequentially passing through the first binding post 102 and charging resistor 110
The positive pole of pole pipe 104 is charged to storage capacitor 106, that is, when the resistance of charging resistor 110 is larger, to storage capacitor 106
Charging interval longer, otherwise shorter.
In this embodiment, the quantity of charging resistor 110 can be arranged according to the actual requirements, can have one or more,
When having multiple, the plurality of charging resistor is in the relation being connected in parallel, then can be by the one or more of resistance of adjustment
Value changes the resistance of the charging resistor 110 of whole circuit, thus the adjustment in the charging interval to storage capacitor 106 for the adjustment, specifically
Ground, charging resistor 110 can include two resistance being connected in parallel, as shown in Figure 2.
Further, on the one hand, the one or more resistance included by charging resistor 110 can for resistance is adjustable can
Become resistance, such as slide rheostat, adapt to different charging interval demands so that resistance can be adjusted at any time, meet personalized making
Use demand.
On the other hand, the one or more resistance included by charging resistor 110 can be the fixing Chip-R of resistance, than
As resistance is 200 ohm, the demand in the charging interval that coupling is specifically fixed, meet popular use demand.
According to embodiment of the present utility model, in any of the above-described embodiment, further also include: the second binding post
112, connect to the negative pole of described storage capacitor 106, this second binding post 112 can be grounded.
In this embodiment, the voltage between the first binding post 102 and the second binding post 112 is this power supply circuits
100 access voltage, such as 5v, wherein, this second binding post 112 is grounded.
As an embodiment of the present utility model, the above-mentioned power supply circuits 100 for liquid heater tool can be answered
In liquid heater tool, such as, insulating pot, soy bean milk making machine etc..
It can be seen that, the utility model proposes liquid heater tool, only by hardware circuit without software processes come reality
Existing power-failure memory function, with low cost, safe and reliable and simple to operate, be conducive to lifting the experience of user.
In this embodiment, the power down of liquid heater tool is realized by the charge and discharge process of a jumbo electric capacity
Working method, in liquid heater tool work process, circuit is charged to storage capacitor by input and only fills
Electricity, and disconnect in utensil power supply, when no external power source input is under power-down conditions, discharged to liquid heater by storage capacitor
Tool is powered and is only discharged, and now input is changed into outfan, is the mcu (microcontroller of liquid heater tool
Unit, micro-control unit) unit, display device (such as digital display tube), button, temperature detection device (such as temperature sensing
Device) etc. the voltage that provides of storage capacitor can meet the device of its work requirements and power, to maintain continuing of its all or part of function
Continuous normal work.
The technical solution of the utility model is described in detail above in association with accompanying drawing, only passes through hardware circuit without software
Process and to realize power-failure memory function, with low cost, safe and reliable and simple to operate, be conducive to lifting the experience of user.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this
For the technical staff in field, this utility model can have various modifications and variations.All of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvement made etc., should be included within protection domain of the present utility model.
Claims (10)
1. a kind of power supply circuits for liquid heater tool are it is characterised in that include:
First binding post, the first diode, storage capacitor and the second diode；And
Described first binding post connects to the positive pole of described first diode, and the negative pole of described first diode connects to described
The positive pole of storage capacitor, when described liquid heater has energising work, to make operating current by described first diode be
Described storage capacitor charges；
The positive pole of described storage capacitor is additionally coupled to the positive pole of described second diode, the positive pole of described second diode connect to
Described first binding post, in the tool power-off of described liquid heater, to make supply current flow out from described storage capacitor and to pass through
Described second diode is powered.
2. the power supply circuits for liquid heater tool according to claim 1 are it is characterised in that also include: charge electricity
Resistance, and
One end of described charging resistor connects and to described first diode just connects to described first binding post, the other end
Pole.
3. the power supply circuits for liquid heater tool according to claim 2 are it is characterised in that described charging resistor bag
Include one or more resistance, and when for multiple resistance, the plurality of resistor coupled in parallel connects.
4. the power supply circuits for liquid heater tool according to claim 3 are it is characterised in that described resistance includes hindering
It is worth adjustable variable resistance.
5. the power supply circuits for liquid heater tool according to claim 3 are it is characterised in that described resistance includes hindering
The fixing Chip-R of value.
6. the power supply circuits for liquid heater tool according to any one of claim 1 to 5 are it is characterised in that institute
Stating the first diode and described second diode is switching diode.
7. the power supply circuits for liquid heater tool according to any one of claim 1 to 5 are it is characterised in that institute
State storage capacitor and include farad capacitor.
8. power supply circuits for liquid heater tool according to claim 7 are it is characterised in that described storage capacitor
The span of capacitance is 3f～5f, and the span of the running voltage of described storage capacitor is 4.5v～6.5v.
9. the power supply circuits for liquid heater tool according to any one of claim 1 to 5 are it is characterised in that go back
Including: the second binding post, connect to the negative pole of described storage capacitor.
10. a kind of liquid heater tool is it is characterised in that include: is used for liquid as claimed in any one of claims 1-9 wherein
The power supply circuits of heating utensil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620900558.XU CN205901431U (en) | 2016-08-17 | 2016-08-17 | A supply circuit , liquid heated chamber for liquid heated chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620900558.XU CN205901431U (en) | 2016-08-17 | 2016-08-17 | A supply circuit , liquid heated chamber for liquid heated chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205901431U true CN205901431U (en) | 2017-01-18 |
Family
ID=57778919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620900558.XU Active CN205901431U (en) | 2016-08-17 | 2016-08-17 | A supply circuit , liquid heated chamber for liquid heated chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205901431U (en) |
-
2016
- 2016-08-17 CN CN201620900558.XU patent/CN205901431U/en active Active
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