CN2607600Y - External temp controller for refrigerator - Google Patents
External temp controller for refrigerator Download PDFInfo
- Publication number
- CN2607600Y CN2607600Y CN 03224071 CN03224071U CN2607600Y CN 2607600 Y CN2607600 Y CN 2607600Y CN 03224071 CN03224071 CN 03224071 CN 03224071 U CN03224071 U CN 03224071U CN 2607600 Y CN2607600 Y CN 2607600Y
- Authority
- CN
- China
- Prior art keywords
- refrigerator
- temperature controller
- cpu chip
- pin
- signal input
- Prior art date
- 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
Links
Abstract
The utility model discloses a temperature controller outside a refrigerator. The technical proposal of the utility model is that the temperature controller is provided with a commercial power supply plug and a socket used for refrigerators. An internal circuit is composed of a CPU chip, a relay controlling the disconnection and connection of the socket used for the refrigerators and a power supply circuit powering the CUP chip and the relay. A control pin of the CPU chip is controlled and connected with the relay. The utility model is characterized in that the CPU chip is also provided with a group of signal pins connected with an LCD panel. Because the temperature controller outside the refrigerator is provided with an LCD panel, the utility model can visually reflects the power-off/on time of the refrigerator and has a simple structure; If the Start/Stop, Timing Power-Off/On buttons are connected with the signal input pins of the CUP chip, a start-stop ratio can be artificially regulated to control the power-on and power-off time of the refrigerator (icebox) and the goal of the temperature control outside the refrigerator by simulating an actual controlled temperature can be better obtained.
Description
Technical field the utility model relates to the freezer temperature control technology, more specifically to the outer temperature controller of a kind of refrigerator machine.
The technical field refrigerator is in open state always, waste very much electric energy, if can realize clearance-type open and close machine, can reach both energy-conservation, do not influence the effect of the normal use of refrigerator again, the outer temperature controller of a kind of refrigerator machine is also arranged now, which is provided with mains supply plug, refrigerator electrical socket, its internal circuit comprises COMS integrated circuit, the control refrigerator relay of electrical socket power on/off, give the power circuit of COMS chip, relay power supply, a control tube foot control system of COMS chip connects relay.This attemperating unit can be realized clearance-type open and close machine, but its open and close machine time can not show that the user can not know its open and close machine time at any time, use not simple and clear.And the COMS circuit function is simple, reach the product with the CPU design, and circuit will be very complicated.
The summary of the invention the purpose of this utility model is a kind ofly to provide the open and close machine that can make refrigerator realize clearance-type, and the outer temperature controller of the refrigerator machine that the open and close machine time intuitively can be reflected.
Technical solution of the present utility model is to be provided with mains supply plug, refrigerator electrical socket thereon, its internal circuit comprises cpu chip, the control refrigerator relay of electrical socket power on/off, give the power circuit of cpu chip, relay power supply, a control tube foot control system of cpu chip connects relay, and it is characterized in that: above-mentioned cpu chip also has one group of signal pin to be connected with display panels LCD.
Above-mentioned cpu chip also has signal input control refrigerator switch pin to link to each other with signal input control refrigerator switch key, the pin that signal input control is regularly opened links to each other with the button that signal input control is regularly opened, and the pin that signal input control is regularly closed links to each other with the button that signal input control is regularly closed.
Above-mentioned display panels LCD is more than four and four.
Above-mentioned display panels LCD is two, also is provided with the pilot lamp that links to each other with its cpu chip signal pin at temperature controller.
Above-mentioned display panels LCD is two and half.
Above-mentioned display panels LCD is three.
Above-mentioned display panels LCD is that double figures shows and pattern displaying.
The utility model is owing to be provided with display panels LCD on the temperature controller outside the refrigerator machine; the refrigerator open and close machine time intuitively can be reflected; and it is simple in structure; if will start/stop, regularly opening, regularly close the signal input tube pin of button and cpu chip couples together; also can artificially regulate different start-stop ratios; the start and the stop time of control refrigerator (cabinet), simulate actual temperature control temperature, reach the purpose of the outer temperature control of machine better.
Description of drawings Fig. 1 is the circuit theory diagrams of the utility model embodiment.
The outer temperature controller of refrigerator machine among the embodiment embodiment is provided with the mains supply plug, the refrigerator electrical socket, its internal circuit comprises cpu chip, the one control refrigerator relay of electrical socket power on/off, give cpu chip, the power circuit of relay power supply, a control tube foot control system of cpu chip connects relay, more than narration is prior art, cpu chip has one group of signal pin to be connected with four display panels LCD, cpu chip also has signal input control refrigerator switch pin to link to each other with signal input control refrigerator switch key S1, the pin that signal input control is regularly opened links to each other with the button S2 that signal input control is regularly opened, and the pin that signal input control is regularly closed links to each other with the button S3 that signal input control is regularly closed.
Do circuit is further resolved below in conjunction with accompanying drawing.
C1, R1 form the resistance-capacitance depressurization circuit among the figure, after D1, D2, D3, D4 bridge rectifier C2 filtering, obtain the DC voltage of 12-16V, and one the tunnel for relay work, and another road obtains after R2 current limliting Z1 voltage stabilizing+DC voltage of 5v, offer CPU and LCD work.Adopt the method for resistance-capacitance depressurization can reduced volume, reduce power consumption, but the withstand voltage of C1 must be greater than 400V.
The EM7P156 chip microprocessor that the CPU of controller adopts Taiwan Yi Long company to produce, the 14 pin positive supplies of CPU meet VDD; Meet VSS 5 pin; 3 pin TCC press VSS; 4 pin presets meet VDD; 15 pin vibration output; 16 pin vibration input, external RC vibration; C4 is that power supply ripple absorbs electric capacity among the figure, be connected on the CPU positive supply the most nearby; 1,2,17,18 pin of CPU drive COM1, COM2, COM3, the COM4 of LCD respectively; 6,7,8,9,10,11,12 of CPU drives SEG1, SEG2, SEG3, SEG5, SEG6, SEG7, the SEG8 of LCD respectively; The CPU13 pin promotes through V1, the action of pilot relay J1; D5 is the inverse peak voltage of release relay J1, protection triode V1; S1, S2, S3 are respectively and start/stop, regularly opening, regularly close button.
Temperature controller liquid crystal control device panel feature.
1, the demonstration of LCD
2 on a left side shows the on time, right 2 secondary demonstration unused time.
2, timing key point: be used to regulate the on time
Under holding state, by this key, preceding 2 bit digital of LCD are glittering, whenever by this key once, increase progressively 1 minute, and setting range 5-99 minute, leave button after 6 seconds, LCD stops glittering, promptly confirms as the start setting value.
3, regularly crucial: as to be used to regulate the unused time
Under holding state, by this key, 2 bit digital are glittering behind the LCD, whenever by this key once, increase progressively 1 minute, and setting range 5-99 minute, leave button after 6 seconds, LCD stops glittering, promptly confirms as to shut down and throws definite value.
4, startup/stop key: be used for the open and close of controller
After regulating start, shutdown setting value, press the button once, promptly bring into operation by setting value, the compressor time-delay started after 3 minutes, and LCD counts down and shows the time of current start or shutdown.If will allow refrigerator (cabinet) quit work, press the button once again.
5, after startup, locking start and shutdown setting-up time, this moment by regularly open, regularly crucial invalid.
During refrigerator work, demonstration be the on time; When not working, demonstration be the unused time.
The brief description use operating process of temperature controller among the embodiment once.
1) holding state
Controller is pressed energize, and LCD does not show that relay is failure to actuate, and this machine is in holding state.
2) timing key point
Under holding state,, key point (S2) is inferior when pressing regularly, CPU the 10th pin detects low level once, then make the glittering demonstration of preceding 2 figure places of LCD, whenever by this key once, numeral increases progressively 1, leave button after 6 seconds, CPU the 10th pin does not have detection signal, and CPU confirms as the value of setting start.
3) regularly crucial
Under holding state, when pressing regularly key point (S2) once, 9 pin such as CPU detect low level once, then make the glittering demonstration of preceding 2 figure places of LCD, whenever by this key once, numeral increases progressively 1, leave button after 6 seconds, 9 pin such as CPU do not have detection signal, and CPU confirms as the value of setting shutdown.
4) startup/stop key
Under holding state, when pressing one-shot/stop key, CPU the 8th pin detects a low level signal.Then make CPU drive preceding 2 figure places of LCD and light, the time-delay of the 13rd pin was a high level after 3 minutes, the V1 conducting, and the relay adhesive, by logical load power source, the on time arrives, the 13rd pin output low level, the V1 cutoff relay discharges, and cuts off load power source.So circulation, the start of control load and unused time.
Temperature controller usable range in the present embodiment.
The refrigerator (cabinet) that uses that 1, newly purchase or normal can use as common protector, as: set start 90 minutes, shut down 10 minutes.
2, the refrigerator of special charges electricity (cabinet) can use as energy-saving protector, as: set start 20 minutes, shut down 40 minutes.
3, inner temperature controller damages, or is difficult for starting, being difficult for summer the refrigerator (cabinet) of shutdown winter, can use as the outer temperature-control protector of machine, rises machine 20 minutes as setting, and shuts down 60 minutes, recommends the start-stop ratio to be 1: 3 summer, 1: 4 winter.
The utility model is not subjected to the restriction of the outer temperature controller technical scheme of machine cited among the embodiment, for example, and the chip that is adopted, open and close machine time, the demonstration time of liquid crystal etc.
Claims (7)
1, the outer temperature controller of a kind of refrigerator machine, which is provided with mains supply plug, refrigerator electrical socket, its internal circuit comprises cpu chip, the control refrigerator relay of electrical socket power on/off, give the power circuit of cpu chip, relay power supply, a control tube foot control system of cpu chip connects relay, and it is characterized in that: above-mentioned cpu chip also has one group of signal pin to be connected with display panels LCD.
2, the outer temperature controller of refrigerator machine according to claim 1, it is characterized in that: above-mentioned cpu chip also has signal input control refrigerator switch pin to link to each other with signal input control refrigerator switch key, the pin that signal input control is regularly opened links to each other with the button that signal input control is regularly opened, and the pin that signal input control is regularly closed links to each other with the button that signal input control is regularly closed.
3, the outer temperature controller of refrigerator machine according to claim 1 and 2 is characterized in that: above-mentioned display panels LCD is more than four and four figures show.
4, the outer temperature controller of refrigerator machine according to claim 1 and 2 is characterized in that: above-mentioned display panels LCD is that double figures shows, and also is provided with the pilot lamp that links to each other with its cpu chip signal pin at temperature controller.
5, the outer temperature controller of refrigerator machine according to claim 1 and 2 is characterized in that: above-mentioned display panels LCD is that two halves show.
6, the outer temperature controller of refrigerator machine according to claim 1 and 2 is characterized in that: above-mentioned display panels LCD is that three figure places show.
7, the outer temperature controller of refrigerator machine according to claim 1 and 2 is characterized in that: above-mentioned display panels LCD is that double figures shows and pattern displaying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03224071 CN2607600Y (en) | 2003-03-05 | 2003-03-05 | External temp controller for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03224071 CN2607600Y (en) | 2003-03-05 | 2003-03-05 | External temp controller for refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2607600Y true CN2607600Y (en) | 2004-03-24 |
Family
ID=34163173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03224071 Expired - Fee Related CN2607600Y (en) | 2003-03-05 | 2003-03-05 | External temp controller for refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2607600Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101989065A (en) * | 2009-08-04 | 2011-03-23 | 泰州乐金电子冷机有限公司 | Device for switching on and off refrigerator by reservation |
-
2003
- 2003-03-05 CN CN 03224071 patent/CN2607600Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101989065A (en) * | 2009-08-04 | 2011-03-23 | 泰州乐金电子冷机有限公司 | Device for switching on and off refrigerator by reservation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |