CN2555749Y

CN2555749Y - Controller for water dispenser

Info

Publication number: CN2555749Y
Application number: CN 02265977
Authority: CN
Inventors: 王亚群
Original assignee: YIDONG ELECTRONICS CO Ltd NINGBO
Current assignee: YIDONG ELECTRONICS CO Ltd NINGBO
Priority date: 2002-08-01
Filing date: 2002-08-01
Publication date: 2003-06-18
Anticipated expiration: 2012-08-01

Abstract

The utility model relates to the technology of water fountain controllers, which is designed and developed for the multifunction and increase of interface interaction, comprising a control unit, an electricity source unit and a display unit. The electricity unit connects all the units and supplies work electricity to them. The utility model is also characterized in a micro-processor unit, a temperature sensor unit, an input setter unit, and an audio reminder unit. The signal outlet of the temperature sensor unit is connected to the temperature signal inlet of the micro-processor unit, with the outlet of the micro-processor unit controlling heating or refrigerating connected to the signal outlet of the control unit, the outlet of the input setter unit connected to the data transferor of the micro-processor unit, the signal display outlet of the micro-processor unit connected to the signal inlet of the display unit, and the reminding signal outlet of the micro-processor unit connected to the signal inlet of the audio reminder unit. The utility model has the advantages of multifunction, friendly and interactive display interface, etc, and is suitable to be popularized on water fountains.

Description

Controller for water dispenser

Technical field

The utility model relates to a kind of technical field of household electrical appliance Controller for water dispenser.

Background technology

For a long time, the control of water dispenser temperature is to adopt mechanical temperature-control or electrical control, water temperature cannot be regulated, bring some inconveniences like this, water temperature as drinking-water can not satisfy the requirement of various human, or water temperature is very high, between the 90-100 degree, be fit to the leaf of making tea, water temperature is very low, between the 0-5 degree, is fit to the cold drink in summer, so people have to both fall to put hot water in teacup, fall to put cold water again, regulate water temperature, be fit to the needs of own mouthfeel, be with sensation fully, so use very inconvenient; Another problem is that the water temperature of hot water and cold water does not show that people do not know the temperature of water; Another problem is that the display floater display mode of water dispenser is stiff single, all is static or has only indicator lamp to show, lacks dynamic display types and voice prompting function, and working interface lacks friendliness and affinity; Controller for water dispenser adopts single-row element many, complex circuit, and components and parts are many, cause the cost height, defectives such as fault rate height; As the patent No. is 99257454.4 Chinese patent " control device of water dispenser ", it is exactly to increase the illumination control circuit on traditional controller, increases the working method of controlling water dispenser according to the light situation, but does not have the temperature set-up function, there is not dynamic display of functional, so there is above-mentioned problem inevitably yet.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of Controller for water dispenser at prior art, and it has the water temperature set-up function, satisfies different human needs, has simultaneously to show and the sound prompting function, increases to use the interface friendliness.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this kind Controller for water dispenser, it contains control module, power subsystem, display unit, power subsystem connects each unit provides working power for them, it is characterized in that also including microprocessor unit, temperature sensing unit, the input setup unit, the sound prompting unit, temperature sensing unit temperature signal output connects microprocessor unit temperature signal input, the control signal output that microprocessor unit heats/freezes connects the control module signal input part, the data of the data output end connection microprocessor unit of input setup unit are read in end, the demonstration signal output part of microprocessor unit connects the signal input part of display unit, and the alerting signal output of microprocessor unit connects the signal input part of sound prompting unit.

Above-mentioned display unit comprises VFD screen and driving chip, and the demonstration signal output part of microprocessor unit links to each other with the driving chip, and the output of driving chip goes to connect again and driving VFD shields.

Above-mentioned VFD screen is designed to logo, heats sign, sign, actual hot water temperature's show label, actual cold water temperature show label freeze, wherein on heating sign and the refrigeration sign dynamic symbol is arranged, it is rearranged by the luminous section of multistage under grid of VFD screen, program is arranged in single-chip microcomputer simultaneously, each luminescence segment of above-mentioned dynamic symbol is lighted successively, and constantly circulation.

Compared with prior art, advantage of the present utility model is: 1, the water temperature of hot water and cold water can be set on certain temperature, makes drinking-water can directly satisfy different human needs, need not to mix; 2, panel has dynamic demonstration and sound prompting function, increases to use interface friendliness and affinity; 3, adopt microprocessor, have advantages such as circuit is simple, cost is low, fault rate is low, be adapted at promoting the use of on the water dispenser; 4, easy to use directly perceived.

Description of drawings

The circuit block diagram of Fig. 1 Controller for water dispenser;

The physical circuit figure of Fig. 2 Controller for water dispenser;

The physical circuit figure of Fig. 3 Controller for water dispenser;

Fig. 4 display floater schematic diagram.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As schematically shown in Figure 1, this kind Controller for water dispenser, it contains control module 3, power subsystem 7, display unit 4, microprocessor unit 2, temperature sensing unit 1, input setup unit 5, sound prompting unit 6, power subsystem 7 connects each unit provides working power such as 5V for them, 12V, 24V, temperature sensing unit 1 temperature signal output connects microprocessor unit 2 temperature signal inputs, the control signal output that microprocessor unit 2 heats/freezes connects the signal input part of control module 3, the data of the data output end connection microprocessor unit 2 of input setup unit 5 are read in end, the demonstration signal output part of microprocessor unit 2 connects the signal input part of display unit 4, and the alerting signal output of microprocessor unit 2 connects the signal input part of sound prompting unit 6.Display unit 4 comprises VFD screen 41 and driving chip 42, and the demonstration signal output part of microprocessor unit 2 links to each other with driving chip 42, and the output of driving chip goes to connect again and driving VFD shields 41.

Physical circuit figure sees Fig. 2 and 3, and they are pieced together the complete circuit diagram of composition.Microprocessor adopts the microprocessor of TMP87P809N model, its

5,6 is jointing temp sensor COOL CN103 and HEATCN102 respectively, they adopt the NTC thermistor to make, be separately fixed on the water tank limit, and form biasing circuit with precision resistance R101, capacitor C 105, filter capacitor E107 and precision resistance R102, capacitor C 104, filter capacitor E106 respectively, constitute temperature sensing unit like this.When water temperature changed, the current potential of resistance changed thereupon, and the variation of water temperature is learnt in the value sampling that microprocessor will change.9,10 pin of microprocessor connect the drive circuit of triode Q102, Q101 respectively, and then connection drives relay R Y102 and RY101 respectively, the switch of relay be connected in heat/the working power circuit of refrigeration circuit on, control the press of water dispenser and the lapping switch of heating wire, thereby constitute control module.The 23-25 pin of microprocessor connects touch-switch K301-K303 by three data lines, by switch set water temperature and running status, and shows by the VFD screen, has formed the input setup unit like this.The sound prompting unit is to select buzzer BUZ101 for use, and it is connected in the amplification output of triode Q104 drive circuit, and the transistor drive circuit input is connected on 22 pin of microprocessor.Microprocessor 19-21 pin meets display driver chip IC301, and its output connects the VFD screen.Microprocessor 1-2 pin connects oscillating circuit, the timebase frequency of microprocessor 4MHz is provided, and 27 pin connect reset circuit.

As schematically shown in Figure 4, with VFD screen be designed to logo 411, heat sign 412, refrigeration sign 413, actual hot water temperature's show label 414, actual cold water temperature show label 415, wherein heat on sign and the refrigeration sign dynamic symbol 4121,4131 is arranged, it is rearranged by the luminous section of multistage under grid of VFD screen, program is arranged in single-chip microcomputer simultaneously, each luminescence segment of above-mentioned dynamic symbol is lighted successively, and constantly circulation.When start, logo 411 is lighted, and actual hot water temperature's show label 414 and actual cold water temperature show label 415 show water temperature respectively, during heating, heats sign 412 and lights, and the dynamic symbol 4121 on it can flash, and reaches animation effect; Accordingly, during refrigeration, refrigeration sign 413 is lighted, and the dynamic symbol 4131 on it also can flash.This is because microprocessor 21 pin are data wire, 20 pin are synchronizing clock signals, 19 pin are chip selection signal, driving chip with IC301 respectively is connected, IC301 drives the VFD screen, the VFD screen has 3 grids, each grid has 15 sections, filament voltage is 3V, when the right filament voltage of the grid of certain section correspondence and anode during greater than 3V, this section is lighted, otherwise extinguishes, in the time will lighting dynamic symbol, its corresponding grid G 1, section is K1-K4, and microprocessor outputs to IC301 with data-signal 10001111B, is deposited into buffering area, by IC301 data conversion is become corresponding grid and anode drive signal, high level between grid G 1 and anode K1-K4 is promptly lighted dynamic symbol, as long as microprocessor is converted into 10001001B with 10001111B, dynamic symbol then has a section ∫ to light, be transformed to 10001010B successively, 10001100B, just there is multistage to light successively, and constantly circulation, dynamic effect just produced.

Entire controller adopts microprocessor for the control core, according to the water temperature that samples, and control water dispenser refrigeration, heating operation, control module uses relay as the press of water dispenser and the lapping switch of heating wire, is controlled by microprocessor that it is open close.Display unit uses the VFD screen as display interface, drive by drive circuit, it shows the duty and the observed temperature of water dispenser in real time, the array that the input setup unit adopts touch-switch to form, each switch designs is different effect, and Push switch has just been imported the water dispenser duty of setting.Voice unit (VU) uses buzzer to send the different sound of length, the different operating content and the state of reminds people water dispenser.

Claims

1, a kind of Controller for water dispenser, it contains control module (3), power subsystem (7), display unit (4), power subsystem (7) connects each unit provides working power for them, it is characterized in that also including microprocessor unit (2), temperature sensing unit (1), input setup unit (5), sound prompting unit (6), temperature sensing unit (1) temperature signal output connects microprocessor unit (2) temperature signal input, the control signal output that microprocessor unit (2) heats/freezes connects control module (3) signal input part, the data of the data output end connection microprocessor unit (2) of input setup unit (5) are read in end, the demonstration signal output part of microprocessor unit (2) connects the signal input part of display unit (4), and the alerting signal output of microprocessor unit (2) connects the signal input part of sound prompting unit (6).

2, controller according to claim 1, it is characterized in that described display unit (4) comprises VFD screen (41) and drives chip (42), the demonstration signal output part of microprocessor unit (2) links to each other with driving chip (42), drives chip output and goes connection again and drive VFD to shield (41).

3, controller according to claim 2, it is characterized in that described VFD screen (41) is designed to logo (411), heats sign (412), refrigeration indicates (413), actual hot water temperature's show label (414), actual cold water temperature show label (415), wherein on heating sign and the refrigeration sign dynamic symbol (4121,4131) is arranged, it is rearranged by the luminous section of multistage under grid of VFD screen, program is arranged in single-chip microcomputer simultaneously, each luminescence segment of above-mentioned dynamic symbol is lighted successively, and constantly circulation.

4, controller according to claim 1 is characterized in that described microprocessor unit (2) selects the microprocessor of TMP87P809N model for use.

5, controller according to claim 4 is characterized in that described temperature sensing unit (1) selects for use the NTC thermistor to make temperature sensor, is connected on respectively on 5,6 pin of microprocessor, forms biasing circuit with precision resistance and filter capacitor.

6, controller according to claim 4, it is characterized in that described control module (3) is the drive circuit that 9,10 pin of microprocessor connect triode respectively, and then connect to drive relay, the switch of relay be connected in heat/the working power circuit of refrigeration circuit on.

7, controller according to claim 4 is characterized in that described input setup unit (5) is to select touch-switch for use, is connected on the 23-25 pin of microprocessor.

8, controller according to claim 4 is characterized in that described reminding unit (6) is to select buzzer for use, and it is connected in the amplification output of transistor drive circuit, and the transistor drive circuit input is connected on 22 pin of microprocessor.