CN203904722U - Control circuit of intelligent washing machine - Google Patents
Control circuit of intelligent washing machine Download PDFInfo
- Publication number
- CN203904722U CN203904722U CN201420343433.2U CN201420343433U CN203904722U CN 203904722 U CN203904722 U CN 203904722U CN 201420343433 U CN201420343433 U CN 201420343433U CN 203904722 U CN203904722 U CN 203904722U
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- CN
- China
- Prior art keywords
- control circuit
- reset
- chip microcomputer
- washing machine
- power supply
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Control Of Washing Machine And Dryer (AREA)
Abstract
The utility model discloses a control circuit of an intelligent washing machine. The control circuit comprises a single-chip microcomputer, key control elements, a power supply, a power supply control circuit, a filter and a reset branch, wherein the key control elements are coupled with the single-chip microcomputer; the power supply is coupled with the single-chip microcomputer; the power supply control circuit is formed by parallel connection of a plurality of resistors and a plurality of capacitors and connected between the power supply and the single-chip microcomputer; the filter is coupled with the single-chip microcomputer; the reset branch mainly comprises a reset capacitor, one end of the reset capacitor is grounded, and the other end of the reset capacitor is in series connection with the power supply control circuit. According to the control circuit, the reset branch is added in the control circuit and mainly comprises the reset capacitor, the reset capacitor can be charged and discharge automatically, when a current program is required to be reset, a main circuit can be cut off momentarily and reset, and meanwhile, the reset capacitor discharges to make up the electric energy required by working of the washing machine at the momentary interval, so that damage caused by emergency stop of a mechanical structure of the washing machine is prevented.
Description
Technical field
The utility model relates to a kind of control circuit of washing machine, and more particularly, it relates to a kind of control circuit of intelligent washing machine.
Background technology
Washing machine is a kind of common household electrical appliance.
Washing machine of the prior art, along with scientific and technological development, its function is also more and more comprehensive, include the supervisors such as rinsing, oven dry, reservation, startup, on the control panel of washing machine outside, be conventionally provided with multiple buttons, each button is a corresponding concrete program all, and operator can control washing machine and realizes various functions by pressing these buttons, and, between multiple programs, there is certain order and realize the manipulation to whole laundry processes.
But, washing machine of the prior art passes through, once operator pushes the wrong in button or laundry processes and breaks down, from the beginning reposition routine, can only turn off general supply, this can produce certain damage to the machinery of washing machine, and fill with have certain water in the situation that at washing machine internal, just water discharge need to be re-started to a laundry processes if turn off general supply, very not convenient, and inefficiency, waste cost.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of and can automatically resets in the current program of washing machine, operating efficiency is high, the intelligent washing machine of water saving.
For achieving the above object, the utility model provides following technical scheme: a kind of control circuit of intelligent washing machine, includes
For receiving and carry the single-chip microcomputer of signal;
For operator's physical action being changed into the button control element of electrical signal transfer to described single-chip microcomputer, described button control element is coupling on described single-chip microcomputer;
Power supply, is coupling on described single-chip microcomputer;
Power control circuit, is formed by some resistance and Capacitance parallel connection, is connected between described power supply and single-chip microcomputer;
Wave filter, is coupling on described single-chip microcomputer, and wherein, the control circuit of aforesaid intelligent washing machine also includes reset branch road, mainly formed by a reset capacitance, and described reset capacitance one end ground connection, the other end is connected on described power control circuit.
As the improvement of the control circuit of above-mentioned intelligent washing machine in the utility model, in described button control element, include and touch chip and some sequence control elements, described sequence control element is coupled with described touch chip.
As the further improvement of the control circuit of above-mentioned intelligent washing machine in the utility model, between described touch chip and described single-chip microcomputer, be connected with filter circuit.
As the further improvement of the control circuit of above-mentioned intelligent washing machine in the utility model, in above-mentioned control circuit, also include resistance-capacitance circuit, be connected between described touch chip and ground.
Compared with prior art, the utility model has the advantage of: in control circuit, add a reset branch road, when in laundry processes because while there is mistake in operator's key errors or program itself, can start reset branch road, this reset branch road is mainly made up of a reset capacitance, above-mentioned reset capacitance can auto charge and discharge, in the time that needs allow present procedure reset, cut-out main circuit that can be of short duration, allow main circuit reset, simultaneously make up the required electric energy of washing machine work when this of short duration space by reset capacitance electric discharge, the mechanical structure that prevents washing machine suddenly stops causing to damage.
Brief description of the drawings
Fig. 1 is the control circuit figure of the intelligent washing machine in the utility model embodiment.
Detailed description of the invention
With reference to Fig. 1, a kind of intelligent washing machine embodiment of the utility model is described further.
As shown in Figure 1, the present embodiment is a kind of control circuit of intelligent washing machine, include the single-chip microcomputer for receiving and carry signal, the model of this single-chip microcomputer is EM78P418NP, produced by EMC Inc., this single-chip microcomputer has 28 pins, comprising VDD(supply voltage) pin, on this VDD pin, connecting power control circuit, described power control circuit has comprised capacitor C parallel with one another 7, polar capacitor C9 and fixed resistance R3, above-mentioned capacitor C 7, polar capacitor C9 and fixed resistance R3 one end are coupling on VDD pin, the other end is connected with power supply, this power supply is the low-tension supply of 5V.
On described single-chip microcomputer, be coupled with some button control elements, in described button control element, include and touch chip QT1858(known control chip) and some sequence control elements, described sequence control element and the coupling of described touch chip.
This sequence control element has comprised the KP1 for starting drying procedure, for starting the KP2 of subscription procedure, for the KP3 of priming level trace routine, for the KP4 of start-up course control program, for opening and closing the KP5 of main circuit program, for the KP6 of start/time out program and for shift knob KP7.
What above-mentioned these sequence control elements adopted is on the market known button with and accessory circuit structure, these sequence control elements can be used for operator's physical action to change into electrical signal transfer to described single-chip microcomputer.
In the control circuit of aforesaid intelligent washing machine, also include wave filter, this wave filter has comprised polar capacitor C2 and capacitor C 3, and above-mentioned polar capacitor C2 and capacitor C 3 are coupling in and touch on chip QT1858.
In the control circuit of above-mentioned intelligent washing machine, also include reset branch road, mainly formed by a reset capacitance C10, described reset capacitance C10 one end ground connection, the other end is connected on described power control circuit.
The control circuit of above-mentioned intelligent washing machine also includes resistance-capacitance circuit, is made up of polar capacitor C6, capacitor C 4, capacitor C 5 and fixed resistance R2, is connected between described touch chip and ground.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. a control circuit for intelligent washing machine, includes
For receiving and carry the single-chip microcomputer of signal;
For operator's physical action being changed into the button control element of electrical signal transfer to described single-chip microcomputer, described button control element is coupling on described single-chip microcomputer;
Power supply, is coupling on described single-chip microcomputer;
Power control circuit, is formed by some resistance and Capacitance parallel connection, is connected between described power supply and single-chip microcomputer;
Wave filter, is coupling on described single-chip microcomputer, it is characterized in that:
Also include reset branch road, mainly formed by a reset capacitance, described reset capacitance one end ground connection, the other end is connected on described power control circuit.
2. the control circuit of intelligent washing machine according to claim 1, is characterized in that: in described button control element, include and touch chip and some sequence control elements, described sequence control element and the coupling of described touch chip.
3. the control circuit of intelligent washing machine according to claim 2, is characterized in that: between described touch chip and described single-chip microcomputer, be connected with filter circuit.
4. the control circuit of intelligent washing machine according to claim 3, is characterized in that: also include resistance-capacitance circuit, be connected between described touch chip and ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420343433.2U CN203904722U (en) | 2014-06-25 | 2014-06-25 | Control circuit of intelligent washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420343433.2U CN203904722U (en) | 2014-06-25 | 2014-06-25 | Control circuit of intelligent washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203904722U true CN203904722U (en) | 2014-10-29 |
Family
ID=51779013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420343433.2U Expired - Fee Related CN203904722U (en) | 2014-06-25 | 2014-06-25 | Control circuit of intelligent washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203904722U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937130A (en) * | 2016-07-11 | 2016-09-14 | 苏州工业职业技术学院 | Full-automatic intelligent washing machine |
| CN112981863A (en) * | 2021-02-19 | 2021-06-18 | 海信（山东）冰箱有限公司 | Washing machine and washing machine control method |
-
2014
- 2014-06-25 CN CN201420343433.2U patent/CN203904722U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937130A (en) * | 2016-07-11 | 2016-09-14 | 苏州工业职业技术学院 | Full-automatic intelligent washing machine |
| CN112981863A (en) * | 2021-02-19 | 2021-06-18 | 海信（山东）冰箱有限公司 | Washing machine and washing machine control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20180625 |