CN201110978Y - Double- turn knob type double display temperature controller - Google Patents
Double- turn knob type double display temperature controller Download PDFInfo
- Publication number
- CN201110978Y CN201110978Y CNU2007200532403U CN200720053240U CN201110978Y CN 201110978 Y CN201110978 Y CN 201110978Y CN U2007200532403 U CNU2007200532403 U CN U2007200532403U CN 200720053240 U CN200720053240 U CN 200720053240U CN 201110978 Y CN201110978 Y CN 201110978Y
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- China
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- control
- knob
- temperature
- double
- temperature controller
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Abstract
The utility model provides a temperature controller, in particular to a double-knob double-display temperature controller which structurally comprises a control IC and two displays; the input terminals of the control IC are respectively connected with storeroom temperature probes and knobby slide rheostats; the output terminals of the control IC are respectively connected with the displays and an audion control relay to control a compressor; the control IC and the displays are separately connected with a power supply circuit. Compared with prior art, the double-knob double-display temperature controller has the advantages of reasonable design, simple structure, independent display, convenient control and high control precision.
Description
Technical field
The utility model relates to a kind of temperature controller, specifically provides a kind of pair of knob two temperature controllers that show.
Background technology
In modern society, refrigeration plant is widely used, and refrigerator is a kind of common refrigeration plant.In order to monitor and regulate the Ku Wen of refrigerator, generally need use temperature controller.The temperature controller of seeing in the market that is used with refrigerator mostly is touch-tone, and a temperature controller can only be controlled No. one compressor, need in the use by the various controlled variable of the incompatible setting of key groups, to the temperature controlled occasion of needs two-way (freezing and temperature of refrigerating chamber) as the time control refrigeration, operation is trouble comparatively, has brought some inconveniences to the user.
Summary of the invention
The utility model is at above deficiency, provides a kind of pair of knob two temperature controllers that show, it regulates storehouse temperature height by the turn knob, and two-way is independently controlled, and independent displaying is very easy to use.
The technical scheme that its technical matters that solves the utility model adopts is:
A kind of pair of two temperature controllers that show of knob, comprise control IC and display, the input end of described control IC is link library temperature probe and knob slide rheostat (or knob Gear-shift switch) respectively, the output terminal of described control IC connects the triode pilot relay of display and control compressor respectively, and described control IC is connected power circuit respectively with display.
Power circuit comprises transformer, and described transformer connects regulator rectifier circuit by power switch.
The input end of control IC is connected with knob Gear-shift switch (or knob Gear-shift switch).
It is inner or outside that described triode pilot relay and transformer can be arranged at temperature controller.
Compared with prior art, the two beneficial effects of temperature controller that show of a kind of pair of knob of the present utility model are: when user's turn turn-knob, control IC can detect the diverse location or the gear of knob type slide rheostat (or knob Gear-shift switch), control IC converts diverse location or gear value to corresponding control temperature value, temperature value should be controlled and the storehouse temperature compares, pilot relay is compressor operating just, thereby reaches the purpose of regulating the storehouse temperature.Simultaneously, two-way storehouse temperature and corresponding knob slide rheostat (or knob Gear-shift switch) are independent control, and be very easy to use.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the two structural representations that show temperature controller of a kind of pair of knob;
Fig. 2 is the two panel construction synoptic diagram that show temperature controller of a kind of pair of knob;
Fig. 3 is the two circuit theory diagrams that show temperature controller of a kind of pair of knob.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as to qualification of the present utility model.
Provide a most preferred embodiment below:
A kind of pair of two temperature controllers that show of knob comprise
Shown in accompanying drawing 1,2,3: the utlity model has two storehouse temperature probes 14 and 24, also have two displays 10 and 20, two knob slide rheostats 13 and 23 (or two knob Gear- shift switches 12 and 22, replace two knob slide rheostats 13 and 23 when needing).
Two displays 10 and 20 and two knob slide rheostats 13 and 23 (or two knob Gear-shift switch 12 and 22) are arranged on the same panel.
Two storehouse temperature probes 14 and 24 and two knob slide rheostats 13 and 23 (or two knob Gear-shift switch 12 with 22) link to each other with the input pin of control IC3, a road of the output terminal of control IC3 links to each other with 20 with display 10, the output state of two-way output by resistance and triode pilot relay 11 and 21 arranged, thereby control compressor operating and stop.The utility model also has one to be changed civil power into 12Vac and exchanges the transformer 2 of output and the rectification and the mu balanced circuit 1 of operating voltage are provided for control IC and display.
The utility model also has two power switches: with the power switch 15 of knob slide rheostat 13 (or knob Gear-shift switch 12) interlock and the power switch 25 that links with knob slide rheostat 23 (or knob Gear-shift switch 22).
The utility model in the course of the work, by turn knob 13 or 23 (height of (or two knob Gear-shift switch 12 and 22) scalable storehouse temperature, the gear that is threaded to is high more, temperature is low more, on the contrary temperature is high more.
Its function declaration is as follows:
Normal temperature control:
After powering on, when control handle 12 or 13 turns make power switch 15 conductings, start the time-delay that powers in 2 minutes, at this moment, forbid compressor 16 work.After delay time arrived in 2 minutes, when the measurement temperature of storehouse temperature probe 14 greater than knob 12 or 13 control temperature+temperature difference of setting, relay 11 actions are connected, control compressor 16 starts, when measuring temperature less than knob 12 or the 13 control temperature of setting, relay 11 actions disconnect, and compressor 16 quits work, and enters the time-delay state.Be protection compressor 16, must be when each compressor 16 stops from starting to through just restarting behind 2 minutes the delay time.
After powering on, when control handle 22 or 23 makes power switch 25 conductings, start the time-delay that powers in 2 minutes, at this moment, forbid compressor 26 work.After delaying time in 2 minutes, when the measurement temperature of storehouse temperature probe 24 greater than knob 22 or 23 control temperature+temperature difference of setting, relay 21 actions are connected, the 26 startup work of control compressor, when measuring temperature less than knob 22 or the 23 control temperature of setting, relay 21 actions disconnect, and compressor 26 quits work, and enters the time-delay state.Be protection compressor 26, must be when each compressor 26 stops from starting to through just restarting behind 2 minutes the delay time.
The shutdown function:
When control handle 12 or 13 transfers to " OFF " time, temperature controller disconnects this road power switch 15, and this storehouse, road temperature control enters off-mode, and this Lu Kuwen does not have demonstration, and relay 11 stops output, does not influence the control and demonstration output of another Lu Kuwen.
When control handle 22 or 23 transfers to " OFF " time, temperature controller disconnects this road power switch 25, and this storehouse, road temperature control enters off-mode, and this Lu Kuwen does not have demonstration, and relay 21 stops output, does not influence the control and demonstration output of another Lu Kuwen.
The non-normal working pattern:
This road display shows when 14 short circuits of storehouse temperature probe or high temperature transfinite " HH ", demonstration when storehouse temperature probe 14 open circuits or low temperature transfinite " and LL ", entering the timing working pattern simultaneously, compressor 16 continuous services 45 minutes stop 15 minutes.
This road display shows when 24 short circuits of storehouse temperature probe or high temperature transfinite " HH ", demonstration when storehouse temperature probe 24 open circuits or low temperature transfinite " and LL ", entering the timing working pattern simultaneously, compressor 26 continuous services 45 minutes stop 15 minutes.
Running status shows:
In process of refrigerastion, the refrigeration pilot lamp 17 or 27 on the display 10 or 20 is lighted;
In thermostatic process, the refrigeration pilot lamp 17 or 27 on the display 10 or 20 extinguishes;
In the time-delay process, refrigeration pilot lamp 17 on the display 10 or 20 or 27 flickers.
Above-described embodiment, the utility model embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacing all should be included in the protection domain of the present utility model.
Claims (4)
1. two temperature controllers that show of two knobs, comprise control IC and display, it is characterized in that, the input end of described control IC is link library temperature probe and knob slide rheostat respectively, the output terminal of described control IC connects the triode pilot relay of display and control compressor respectively, and described control IC is connected power circuit respectively with display.
2. the two temperature controllers that show of a kind of pair of knob according to claim 1 is characterized in that described power circuit comprises transformer, and described transformer connects regulator rectifier circuit by power switch.
3. the two temperature controllers that show of a kind of pair of knob according to claim 1 is characterized in that the input end of control IC is connected with the knob Gear-shift switch.
4. the two temperature controllers that show of a kind of pair of knob according to claim 1 is characterized in that it is inner or outside that described triode pilot relay and transformer can be arranged at temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200532403U CN201110978Y (en) | 2007-06-25 | 2007-06-25 | Double- turn knob type double display temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200532403U CN201110978Y (en) | 2007-06-25 | 2007-06-25 | Double- turn knob type double display temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201110978Y true CN201110978Y (en) | 2008-09-03 |
Family
ID=39895516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200532403U Expired - Fee Related CN201110978Y (en) | 2007-06-25 | 2007-06-25 | Double- turn knob type double display temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201110978Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052819A (en) * | 2009-10-30 | 2011-05-11 | 泰州乐金电子冷机有限公司 | Refrigerator temperature control panel for blind people |
| CN106152700A (en) * | 2016-07-18 | 2016-11-23 | 合肥美的电冰箱有限公司 | Refrigerator temperature control method and device |
| CN110031710A (en) * | 2019-05-08 | 2019-07-19 | 长虹美菱股份有限公司 | One kind judging automatically switching on and shutting down point test device and its control method for refrigerator |
-
2007
- 2007-06-25 CN CNU2007200532403U patent/CN201110978Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052819A (en) * | 2009-10-30 | 2011-05-11 | 泰州乐金电子冷机有限公司 | Refrigerator temperature control panel for blind people |
| CN102052819B (en) * | 2009-10-30 | 2014-09-17 | 泰州乐金电子冷机有限公司 | Refrigerator temperature control panel for blind people |
| CN106152700A (en) * | 2016-07-18 | 2016-11-23 | 合肥美的电冰箱有限公司 | Refrigerator temperature control method and device |
| CN106152700B (en) * | 2016-07-18 | 2018-10-02 | 合肥美的电冰箱有限公司 | Refrigerator temperature control method and device |
| CN110031710A (en) * | 2019-05-08 | 2019-07-19 | 长虹美菱股份有限公司 | One kind judging automatically switching on and shutting down point test device and its control method for refrigerator |
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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 |
Granted publication date: 20080903 Termination date: 20150625 |
|
| EXPY | Termination of patent right or utility model |