CN206006952U - Power-off control system, coffee machine and electric kettle - Google Patents
Power-off control system, coffee machine and electric kettle Download PDFInfo
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- CN206006952U CN206006952U CN201620629956.2U CN201620629956U CN206006952U CN 206006952 U CN206006952 U CN 206006952U CN 201620629956 U CN201620629956 U CN 201620629956U CN 206006952 U CN206006952 U CN 206006952U
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- 238000001514 detection method Methods 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 230000005611 electricity Effects 0.000 claims description 19
- 238000001816 cooling Methods 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000001914 filtration Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 3
- 108010022579 ATP dependent 26S protease Proteins 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- 239000007788 liquid Substances 0.000 description 1
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Abstract
The utility model provides a power-off control system, coffee machine and insulating pot, this power-off control system includes: the temperature controller, the signal detection circuit and the control module; the signal detection end of the signal detection circuit is connected with one end of the temperature controller, which is used for being connected with the heating tube, and the signal output end of the signal detection circuit is connected with the control end of the control module; the signal detection circuit is used for detecting the on or off of the temperature controller, outputting a square wave signal when the temperature controller is on and outputting a low level signal when the temperature controller is off; the control module is used for detecting the signal output by the signal detection circuit and cutting off the power supply when the signal output by the signal detection circuit is changed into a low-level signal from a square wave signal. The utility model provides a power-off control system, coffee machine and insulating pot can ensure that the temperature controller can not continue to heat after the disconnection cooling.
Description
Technical field
This utility model is related to household appliance technical field, more particularly to a kind of power-off control system, coffee machine and insulating pot.
Background technology
Electric equipment products on market, such as leak through type coffee machine and insulating pot, generally use temperature controller come control heating and
Power-off, temperature controller are close on heat-generating pipe, perceive the temperature of heat-generating pipe, when water tank does not have water, heat-generating pipe dry combustion method, and temperature
Rise, temperature controller disconnects, coffee machine or insulating pot stop heating work.
At present, the electric equipment products on market, control heating and power-off using temperature controller, however, after heat-generating pipe is cooled down,
As temperature controller is to recover device, temperature controller closure after cooling causes whole machine to continue heating work.
Utility model content
For at least one problem for solving to mention in background technology, this utility model provide a kind of power-off control system,
Coffee machine and insulating pot, it can be ensured that temperature controller will not continue to heat after disconnecting cooling.
To achieve these goals, this utility model provides a kind of power-off control system, including：Temperature controller, signal detection
Circuit and control module；One end of temperature controller is used for being electrically connected with heat-generating pipe, and the other end of temperature controller is electrical with control module
Connection, one end that the signal detection end of signal deteching circuit is used for being connected heat-generating pipe with temperature controller connect, signal deteching circuit
Signal output part is connected with the control end of control module；Temperature controller be used for when switching on power close so that heating element start plus
Heat, and temperature controller detects the temperature of heat-generating pipe, disconnects when the temperature of heat-generating pipe is more than or equal to predetermined threshold value；Signal detection electricity
Road is used for closure or the disconnection for detecting temperature controller, exports square-wave signal when temperature controller is closed, exports when temperature controller disconnects low
Level signal；Control module be used for detection signal detect circuit output signal, signal deteching circuit output signal by side
When ripple signal intensity is into low level signal, cut off the electricity supply.A signal so can be increased between temperature controller and control module
Detection circuit, signal deteching circuit detect the state of temperature controller, and the state of temperature controller is defeated by square wave or low level signal
Go out to control module, so that control module is changing into low level signal in the signal that signal deteching circuit is exported by square-wave signal
When, cut off the electricity supply, it is ensured that temperature controller will not continue to heat after disconnecting cooling, realize power-off truly.
Optionally, signal deteching circuit includes：Bleeder circuit and filter circuit；Bleeder circuit and filter circuit electrically connect
Connect, bleeder circuit is electrically connected with temperature controller, filter circuit is electrically connected with signal deteching circuit.So can be by bleeder circuit
Signal deteching circuit is constituted with filter circuit two parts, to realize when temperature controller is closed, the sinusoidal signal warp of temperature controller output
The current limliting partial pressure of bleeder circuit in signal deteching circuit is crossed, after the filtering of filter circuit, so that signal deteching circuit output square wave
Signal.
Optionally, bleeder circuit includes：First resistor R1, second resistance R2,3rd resistor R3 and the 4th resistance R4；Filtering
Circuit includes：Electric capacity C1；First resistor R1 and the series connection of second resistance R2, first resistor R1 are connected with temperature controller, second resistance R2
It is connected with one end of 3rd resistor R3 and one end of the 4th resistance R4 respectively, the other end of the 4th resistance R4 is respectively with electric capacity C1's
The control end of one end connection and control module connects, and the other end of the other end of 3rd resistor R3 and electric capacity C1 is altogether.So may be used
With by four resistance and a capacitance group into bleeder circuit, you can realize the state of detection temperature controller, and circuit be simple, stable.
Optionally, the value of first resistor R1 and second resistance R2 is 510K, and the value of 3rd resistor R3 is 20K, and the 4th is electric
The value of resistance R4 is 4.7K, and the capacitance of electric capacity C1 is 102pF, and pressure voltage is 50V.Current limliting partial pressure and filtering can be so realized, with
Signal deteching circuit is allow to detect the state of temperature controller.
Optionally, predetermined threshold value is 115 degree.After can so realizing that heating wire is heated to uniform temperature, temperature controller can have
Effect disconnects.
Optionally, control module is main control chip.Can so realize signal deteching circuit output signal by square wave
When signal intensity is into low level signal, cut off the electricity supply.
On the other hand, this utility model provides a kind of coffee machine, including：Switching Power Supply and the power-off of any of the above-described embodiment
Control system.A signal deteching circuit so can be increased between temperature controller and control module, signal deteching circuit is detected
The state of temperature controller, and the state of temperature controller is exported to control module by square wave or low level signal, so that control module
When the signal of signal deteching circuit output is changing into low level signal by square-wave signal, cut off the electricity supply, it is ensured that temperature controller disconnects
Will not continue to heat after cooling, realize power-off truly.
Another further aspect, this utility model provide a kind of insulating pot, including：Switching Power Supply and the power-off of any of the above-described embodiment
Control system.A signal deteching circuit so can be increased between temperature controller and control module, signal deteching circuit is detected
The state of temperature controller, and the state of temperature controller is exported to control module by square wave or low level signal, so that control module
When the signal of signal deteching circuit output is changing into low level signal by square-wave signal, cut off the electricity supply, it is ensured that temperature controller disconnects
Will not continue to heat after cooling, realize power-off truly.
Construction of the present utility model and its other utility model purposes and beneficial effect will be by combining accompanying drawing
Description of preferred embodiments and become apparent from understandable.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are
Some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative labor
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the structural representation of the power-off control system that this utility model embodiment one is provided；
Fig. 2 is the structural representation of the whole machine operation principle of coffee machine that this utility model embodiment one is provided；
Fig. 3 is the structural representation of the signal deteching circuit that this utility model embodiment one is provided；
Fig. 4 is the structural representation of the signal deteching circuit that this utility model embodiment two is provided；
Fig. 5 is the structural representation of the coffee machine that this utility model embodiment one is provided；
Fig. 6 is the structural representation of the insulating pot that this utility model embodiment one is provided.
Description of reference numerals：
Temperature controller 1；Signal deteching circuit 2；Control module 3；Heat-generating pipe 4；Bleeder circuit 21；Filtered electrical
Road 22；Switching Power Supply -51,61；Power-off control system -52,62.
Specific embodiment
Purpose, technical scheme and advantage for making this utility model embodiment is clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described to the technical scheme in this utility model embodiment, it is clear that retouched
The embodiment that states is a part of embodiment of this utility model, rather than whole embodiments.Enforcement in based on this utility model
Example, the every other embodiment obtained under the premise of creative work is not made by those of ordinary skill in the art are belonged to
The scope of this utility model protection.
Embodiment one
Fig. 1 is the structural representation of the power-off control system that this utility model embodiment one is provided.As shown in figure 1, this reality
The power-off control system of example offer is provided, including：Temperature controller 1, signal deteching circuit 2 and control module 3.
It should be noted that the present embodiment is mainly illustrated so that power-off control system is applied to coffee machine as an example, but simultaneously
It is not limited only to this.Power-off control system in this enforcement can be applied not only to coffee machine, can also be applied to electric cooker and electricity
The household electrical appliance such as kettle.
One end of temperature controller 1 is used for being electrically connected with heat-generating pipe, and the other end of temperature controller 1 is electrically connected with control module 3,
One end that the signal detection end of signal deteching circuit 2 is used for being connected heat-generating pipe with temperature controller 1 connects, the letter of signal deteching circuit 2
Number outfan is connected with the control end of control module 3.
Specifically, the present embodiment increases by 2 easy circuit of signal deteching circuit on the basis of at present using temperature controller 1,
By signal deteching circuit 2 to be connected with temperature controlling machine 1 and main control module 3 respectively, realize detecting by signal deteching circuit 2
The state of temperature controller 1, and by the State- output of temperature controller 1 to main control module, so that main control module can be according to the state of temperature controller 1
To determine whether to cut off the electricity supply.
Temperature controller 1 is used for closing when switching on power, so that heating element begins to warm up, and the detection heat-generating pipe of temperature controller 1
Temperature, disconnects when the temperature of heat-generating pipe is more than or equal to predetermined threshold value.
Signal deteching circuit 2 is used for closure or the disconnection for detecting temperature controller 1, exports square-wave signal when temperature controller 1 is closed,
Low level signal is exported when temperature controller 1 disconnects.
Control module 3 be used for detection signal detect circuit 2 output signal, signal deteching circuit 2 output signal by
When square-wave signal is changing into low level signal, cut off the electricity supply.
Fig. 2 is the structural representation of the whole machine operation principle of coffee machine that this utility model embodiment one is provided, such as Fig. 2 institutes
Show, in actual applications, signal deteching circuit 2 can be arranged on circuit boards, and when complete machine powering works, whole machine water tank has
Water, 1 temperature of temperature controller is not high, is not above predetermined threshold value, now temperature controller 1 close (general temperature controller 1 is greater than 115 degree, temperature
Control device 1 disconnects), in closure state, heat-generating pipe 4 is powered and begins to warm up, and now control module 3 is also closed, and coffee liquid normally goes out
Come.This when, the signal detection end (signal input part) of signal deteching circuit 2 detect temperature controller 1 in closure state, defeated
Go out stable square-wave signal, the control end of control module 3 detects signal for square wave, and main control module continues closure；Work as Water in Water Tank
After complete, in the case of anhydrous, temperature rises heat-generating pipe 4, and after certain temperature is exceeded (115 degree), temperature controller 1 breaks
Open.Now the signal detection end (signal input part) of signal deteching circuit 2 is pulled low, the signal output part of signal deteching circuit 2
Also it is low level signal.Control module 3 is connected with Switching Power Supply, is changing into low level signal signal is detected from square-wave signal
When, judging that whole machine has worked and complete, water tank is anhydrous, so as to cut off the electricity supply, realizes truly without coffee machine drop out
Power-off, it is to avoid temperature controller 1 cool down after heating work again.
Specifically, control module 3 is main control chip, and main control chip is specifically as follows single-chip microcomputer.Can so realize in letter
The signal of number detection output of circuit 2 is cut off the electricity supply when being changing into low level signal by square-wave signal.
Specifically, general temperature controller 1 is greater than 115 degree, and temperature controller 1 disconnects, and predetermined threshold value can be 115 by the present embodiment
Degree.After can so realizing that heating wire is heated to uniform temperature, temperature controller 1 effectively can disconnect.
In the present embodiment, by increasing a signal deteching circuit, signal detection electricity between temperature controller and control module
The state of temperature controller is detected on road, and the state of temperature controller is exported to control module by square wave or low level signal, so that control
Molding block is cut off the electricity supply, it is ensured that temperature control when the signal that signal deteching circuit is exported is changing into low level signal by square-wave signal
Device will not continue to heat after disconnecting cooling, realize power-off truly.
Embodiment two
Fig. 3 is the structural representation of the signal deteching circuit that this utility model embodiment one is provided, as shown in figure 3, in Fig. 1
In embodiment illustrated in fig. 2, signal deteching circuit 2 includes：Bleeder circuit 21 and filter circuit 22.
Bleeder circuit 21 and filter circuit 22 are electrically connected with, and bleeder circuit 21 is electrically connected with temperature controller 1, filter circuit 22
It is electrically connected with signal deteching circuit 2.
Specifically, in the present embodiment, signal deteching circuit 2 is made up of bleeder circuit 21 and 22 two parts of filter circuit, with reality
When temperature controller 1 is closed now, the current limliting point of sinusoidal signal bleeder circuit 21 in signal deteching circuit 2 of the output of temperature controller 1
Pressure, after the filtering of filter circuit 22, so that the output square-wave signal of signal deteching circuit 2.
Fig. 4 is the structural representation of the signal deteching circuit that this utility model embodiment two is provided, as shown in figure 4, partial pressure
Circuit 21 includes：First resistor R1, second resistance R2,3rd resistor R3 and the 4th resistance R4；Filter circuit 22 includes：Electric capacity
C1.
First resistor R1 and the series connection of second resistance R2, first resistor R1 is connected with temperature controller 1, and second resistance R2 is respectively with the
One end connection of one end of three resistance R3 and the 4th resistance R4, the other end of the 4th resistance R4 are connected with one end of electric capacity C1 respectively
Connect with the control end of control module 3, the other end of the other end of 3rd resistor R3 and electric capacity C1 is altogether.
Specifically, bleeder circuit 21 is made up of four resistance, and filter circuit 22 is made up of an electric capacity C1, you can realize inspection
The state of temperature controller 1 is surveyed, this circuit is simple, stable, effectively can apply on the household electrical appliance such as coffee machine and insulating pot.
Specifically, in the present embodiment, the value of first resistor R1 and second resistance R2 is 510K, and the value of 3rd resistor R3 is
The value of 20K, the 4th resistance R4 is 4.7K, and the capacitance of electric capacity C1 is 102pF, and pressure voltage is 50V.Current limliting partial pressure can so be realized
And filtering, so that signal deteching circuit 2 can detect the state of temperature controller 1.
In the present embodiment, on the basis of above-described embodiment, by signal deteching circuit by bleeder circuit and filter circuit
Constitute, and bleeder circuit is made up of four resistance, filter circuit is made up of electric capacity, can achieve signal deteching circuit and close in temperature controller
Conjunction is output square-wave signal, exports low level signal when temperature controller disconnects, and circuit is simple, stable.
Embodiment three
Fig. 5 is the structural representation of the coffee machine that this utility model embodiment one is provided.As shown in figure 5, the present embodiment is carried
For coffee machine include：Power-off control system 52 in Switching Power Supply 51 and any of the above-described embodiment.
The power-off control system 52 of coffee machine is identical with the 26S Proteasome Structure and Function of the power-off control system that above-described embodiment is provided,
The present embodiment here is not defined and repeats.
In the present embodiment, by increasing a signal deteching circuit, signal detection electricity between temperature controller and control module
The state of temperature controller is detected on road, and the state of temperature controller is exported to control module by square wave or low level signal, so that control
Molding block is cut off the electricity supply, it is ensured that temperature control when the signal that signal deteching circuit is exported is changing into low level signal by square-wave signal
Device will not continue to heat after disconnecting cooling, realize power-off truly.
Example IV
Fig. 6 is the structural representation of the insulating pot that this utility model embodiment one is provided.As shown in fig. 6, the present embodiment is carried
For insulating pot include：Power-off control system 62 in Switching Power Supply 61 and any of the above-described embodiment.
The power-off control system 62 of coffee machine is identical with the 26S Proteasome Structure and Function of the power-off control system that above-described embodiment is provided,
The present embodiment here is not defined and repeats.
In the present embodiment, by increasing a signal deteching circuit, signal detection electricity between temperature controller and control module
The state of temperature controller is detected on road, and the state of temperature controller is exported to control module by square wave or low level signal, so that control
Molding block is cut off the electricity supply, it is ensured that temperature control when the signal that signal deteching circuit is exported is changing into low level signal by square-wave signal
Device will not continue to heat after disconnecting cooling, realize power-off truly.
Finally it should be noted that：Various embodiments above is only in order to illustrating the technical solution of the utility model, rather than which is limited
System；Although being described in detail to this utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：Which still can be modified to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of each embodiment technical scheme of type.
Claims (8)
1. a kind of power-off control system, it is characterised in that include：Temperature controller (1), signal deteching circuit (2) and control module
(3)；
The one end of temperature controller (1) is used for and heat-generating pipe electric connection, the other end of temperature controller (1) and the control mould
Block (3) is electrically connected with, and the signal detection end of signal deteching circuit (2) is used for being connected the heating with the temperature controller (1)
One end connection of pipe, the signal output part of signal deteching circuit (2) are connected with the control end of the control module (3)；
Described temperature controller (1) is used for closing when switching on power, so that the heating element begins to warm up, and the temperature controller (1)
The temperature of the heat-generating pipe is detected, is disconnected when the temperature of the heat-generating pipe is more than or equal to predetermined threshold value；
Described signal deteching circuit (2) are used for closure or the disconnection for detecting the temperature controller (1), close in the temperature controller (1)
When export square-wave signal, when the temperature controller (1) disconnects output low level signal；
Described control module (3) are used for detecting the signal that the signal deteching circuit (2) is exported, in the signal deteching circuit
(2), when the signal for exporting is changing into low level signal by square-wave signal, cut off the electricity supply.
2. power-off control system according to claim 1, it is characterised in that signal deteching circuit (2) include：Partial pressure
Circuit (21) and filter circuit (22)；
Bleeder circuit (21) and the filter circuit (22) are electrically connected with, bleeder circuit (21) and the temperature controller
(1) it is electrically connected with, filter circuit (22) are electrically connected with the signal deteching circuit (2).
3. power-off control system according to claim 2, it is characterised in that bleeder circuit (21) include：First electricity
Resistance R1, second resistance R2,3rd resistor R3 and the 4th resistance R4；
Filter circuit (22) include：Electric capacity C1；
First resistor R1 and second resistance R2 series connection, first resistor R1 is connected with the temperature controller (1), described
Second resistance R2 is connected with one end of one end of 3rd resistor R3 and the 4th resistance R4 respectively, the 4th resistance R4
The other end be connected with one end of the electric capacity C1 respectively and the control module (3) control end connection, the 3rd resistor
The other end of the other end of R3 and the electric capacity C1 is altogether.
4. power-off control system according to claim 3, it is characterised in that first resistor R1 and the second resistance
The value of R2 is 510K, and the value of 3rd resistor R3 is 20K, and the value of the 4th resistance R4 is 4.7K, the electric capacity C1's
Capacitance is 102pF, and pressure voltage is 50V.
5. the power-off control system according to any one of claim 1-4, it is characterised in that the predetermined threshold value is 115 degree.
6. the power-off control system according to any one of claim 1-4, it is characterised in that based on control module (3)
Control chip.
7. a kind of coffee machine, it is characterised in that include：Power subsystem (51) and the power-off as described in any one of claim 1-6
Control system (52).
8. a kind of insulating pot, it is characterised in that include：Power subsystem (61) and the power-off as described in any one of claim 1-6
Control system (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620629956.2U CN206006952U (en) | 2016-06-21 | 2016-06-21 | Power-off control system, coffee machine and electric kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620629956.2U CN206006952U (en) | 2016-06-21 | 2016-06-21 | Power-off control system, coffee machine and electric kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206006952U true CN206006952U (en) | 2017-03-15 |
Family
ID=58242979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620629956.2U Active CN206006952U (en) | 2016-06-21 | 2016-06-21 | Power-off control system, coffee machine and electric kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206006952U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108814493A (en) * | 2018-06-06 | 2018-11-16 | 九阳股份有限公司 | A kind of dish-washing machine of anti-dry |
| CN109028256A (en) * | 2018-07-16 | 2018-12-18 | 珠海格力电器股份有限公司 | Heating equipment and its control device and method |
| CN116709613A (en) * | 2023-05-24 | 2023-09-05 | 日炀(东莞)电子科技有限公司 | Engineering construction equipment and electronic circuit |
-
2016
- 2016-06-21 CN CN201620629956.2U patent/CN206006952U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108814493A (en) * | 2018-06-06 | 2018-11-16 | 九阳股份有限公司 | A kind of dish-washing machine of anti-dry |
| CN109028256A (en) * | 2018-07-16 | 2018-12-18 | 珠海格力电器股份有限公司 | Heating equipment and its control device and method |
| CN109028256B (en) * | 2018-07-16 | 2021-10-01 | 珠海格力电器股份有限公司 | Heating equipment and control device and method thereof |
| CN116709613A (en) * | 2023-05-24 | 2023-09-05 | 日炀(东莞)电子科技有限公司 | Engineering construction equipment and electronic circuit |
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