CN2384179Y - Refrigerator with local temp change controller - Google Patents
Refrigerator with local temp change controller Download PDFInfo
- Publication number
- CN2384179Y CN2384179Y CN 99220908 CN99220908U CN2384179Y CN 2384179 Y CN2384179 Y CN 2384179Y CN 99220908 CN99220908 CN 99220908 CN 99220908 U CN99220908 U CN 99220908U CN 2384179 Y CN2384179 Y CN 2384179Y
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- temperature
- refrigerator
- module
- control device
- control circuit
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Abstract
The utility model discloses a refrigerator with a local temperature change controller, which is composed of a refrigerator body, a door body, a control circuit, and a refrigeration system, wherein, the refrigerator body can be composed of a plurality of compartments, and each compartment is provided with a temperature sensor; an evaporator is provided with a defrosting temperature limiting sensor; the upper part of the refrigerator body is provided with a plurality of temperature setting knobs which respectively control the temperature of each compartment. The temperature parameters collected by all the sensors and the temperature parameters preset by the temperature setting knob are all back fed to the control circuit, and commands can be sent out after the temperature parameters are analyzed and compared with a monolithic computer of the control circuit to drive a compressor, a fan, a heating wire, and an air door to carry out the operation according to the different requirements of the temperature control of each compartment; the respective temperature control of each compartment can be realized thereby.
Description
The utility model relates to a kind of refrigerator, particularly a kind of refrigerator with local alternating temperature control device.
Existing refrigerator is generally multi-chamber's refrigerator; Each chamber is adopted temperature controller control temperature respectively; The corresponding a kind of temperature in each chamber; Temperature regulating range is less.In addition, to be generally whole alternating temperature be that each chamber in the refrigerator is carried out the switching of temperature range simultaneously to existing refrigerator.For example: regulate button, the temperature in the refrigerator is switched to freezing by refrigeration, then all chambers in the case are just all become freezing by refrigeration.Like this, very inconvenient when the user uses, can not arbitrarily arrange, control the temperature of each chamber, promptly can not carry out local alternating temperature.
The purpose of this utility model provides a kind of refrigerator that can each chamber in case implement alternating temperature control respectively.A kind of refrigerator that can carry out local alternating temperature in refrigerator promptly is provided.
To achieve these goals, the utility model is made up of casing, door body, control circuit and refrigeration system.Wherein the casing part is made up of a plurality of chambers, and each chamber respectively is provided with a temperature sensor; There is a defrost limit temperature sensor at the evaporimeter place; Casing top is provided with a plurality of temperature setting knobs, controls each room temperature degree respectively.Like this, the temperature parameter that sensor is gathered, predetermined temperature parameter all feeds back to control circuit, by sending instruction again after the single-chip microcomputer analysis of control circuit, the comparison, drives press, blower fan (synchronous with press), heater strip, air door work.
Control circuit is the core of control section, is made up of six big circuit modules (seeing accompanying drawing 2): 1. power module: the 5.3V DC voltage mainly is provided.2. microcontroller power supply shakes module: adopt the RC concussion; In addition, form the electrification reset delay circuit by electrochemical capacitor E4 and transistor S9014, allow power supply stable after, single-chip microcomputer is worked again.3. temperature setting module: range of temperature is big (9 ℃～-32 ℃), corresponding resistance value be 4K to 39K, divider resistance is 10K, the A/D value just is a median from B6H to 34H.Setting knob is elected 10K as, and its divider resistance is 10K, is convenient to calculate and reduce power consumption like this.So, according to the A/D value of setting, but with regard to set position.4. limit warm module: 6 ℃ of corresponding resistances are 4.8K, use same comparator, during greater than 6 ℃, and the output high level; Otherwise, output low level.When entering automatic defrosting, detect this pin, when being high level, withdraw from defrost.5. press, heater strip driver module: as action, respective pin output high level, conducting S9014, relay closes drives press or heating wire works.6. air door control module: give to drive slice, thin piece M5469 corresponding control signal, thus the rotating of control damper motor.Be to lower energy consumption, being set in any moment can only have an air door action.For example, if two air doors need action simultaneously, then an action is over, and another moves again; Windy door is as the same.
This six big module is the center with single-chip microcomputer P1C16C711, provides power supply and parameters to it respectively; Send the work that instruction drives press, heater strip, air door by single-chip microcomputer again.
Below in conjunction with accompanying drawing embodiment of the present utility model is described:
Fig. 1 is the structure diagram of the utility model embodiment
Fig. 2 is the control curve of the utility model embodiment.
Fig. 3 is the concrete workflow diagram of the utility model embodiment.
Fig. 4 is the control flow chart of the utility model embodiment press blower fan.
Fig. 5 is the control circuit schematic diagram of the utility model embodiment.
Present embodiment is the refrigerator of the local alternating temperature in a kind of two chambers, comprises casing, door body, control circuit and refrigeration system, its structure as shown in Figure 1: 1 is the temperature setting knob; 2 is chamber on the refrigerator; 3 is chamber under the refrigerator; 4 is refrigerator body.Alternating temperature control all can independently be implemented in upper and lower two chambers of this refrigerator." alternating temperature " of this refrigerator is meant the switching between refrigeration (0～10 ℃), ice temperature (2～4 ℃), freezing (32～-18 ℃) three kinds of temperature ranges.The cold of upper and lower two Room is supplied with by two air door controls, and the control curve of accompanying drawing 2 is seen in concrete control.When opening, press, blower fan (synchronous with press) are worked simultaneously and are shut down when air door is all closed when any air door (or two air doors whiles).The air door control signal is sent by control circuit.
Fig. 5 has provided the control circuit schematic diagram of present embodiment.Be provided with two potentiometers (FUP and FDO) in " the 3. temperature setting module " of this refrigerator control circuit and control upper and lower two room temperatures respectively.Along with the rotation of temperature setting knob on the casing, the resistance value of two potentiometers is adjustable continuously, and promptly resistance value all is ascending variation continuously clockwise in three alternating temperature intervals, feeds back to single-chip microcomputer " P1C16C711 " at any time.In addition, the temperature parameter of three sensor collections also feeds back to single-chip microcomputer " P1C16C711 " at any time, perform an analysis, compare by single-chip microcomputer " P1C16C711 ", and send out instruction driving press, heater strip, air door work, finally finish the alternating temperatures conversion in refrigeration, ice temperature, freezing three intervals.Concrete workflow (only above chamber is an example) as shown in Figure 3; The control flow of press blower fan as shown in Figure 4.
Claims (7)
1. the refrigerator with local alternating temperature control device comprises multi-chamber's casing, door body, control circuit and refrigeration system, it is characterized in that each chamber respectively is provided with a temperature sensor, and there is a defrost limit temperature sensor at the evaporimeter place; Casing top is provided with a plurality of temperature setting knobs, controls each room temperature degree respectively.The temperature parameter that each sensor is gathered, the temperature parameter that the temperature setting knob is predetermined all feeds back to control circuit, by sending instruction after control circuit analysis, the comparison again, drives press, blower fan, with press synchronously, heater strip, air door work.
2. according to the refrigerator of the local alternating temperature control device of the described band of claim 1, it is characterized in that: control circuit limits warm module (5) press, heater strip driver module (6) air door control module to form by (1) power module (2) microcontroller power supply concussion module (3) temperature setting module (4); This six big module is the center with the single-chip microcomputer, provides power supply and parameters to it respectively; Send the work that instruction drives press, heater strip, air door by single-chip microcomputer again.
3. according to the refrigerator of claim 1 and the local alternating temperature control device of 2 described bands, it is characterized in that: " (2) microcontroller power supply concussion module " adopts the RC concussion; And form the electrification reset delay circuit by electrochemical capacitor E4 and transistor S9014, allow power supply stable after, single-chip microcomputer is worked again.
4. according to the refrigerator of claim 1 and the local alternating temperature control device of 2 described bands, it is characterized in that: the range of temperature of " (3) temperature setting module " is bigger, 9 ℃～-32 ℃, corresponding resistance value is that 4K is to 39K, divider resistance is 10K, and the A/D value just is a median from B6H to 34H, setting knob is elected 10K as, and its divider resistance is 10K.
5. according to the refrigerator of claim 1 and the local alternating temperature control device of 2 described bands, it is characterized in that: 6 ℃ of corresponding resistances are 4.8K in " (4) limit warm module ", use same comparator, during greater than 6 ℃, and the output high level; Otherwise output low level when entering automatic defrosting, detects this pin, when being high level, withdraws from defrost.
6. according to the refrigerator of claim 1 and the local alternating temperature control device of 2 described bands, it is characterized in that: " (5) press, heater strip driver module " as action, respective pin is exported high level, conducting S9014, relay closes drives press or heating wire works.
7. according to the refrigerator of claim 1 and the local alternating temperature control device of 2 described bands, it is characterized in that: " (6) air door control module " given and driven slice, thin piece M5469 corresponding control signal, thereby the rotating of control damper motor and be set in any moment the action of air door can only be arranged, promptly when windy door need move simultaneously, an action is in order, and another moves again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99220908 CN2384179Y (en) | 1999-05-14 | 1999-05-14 | Refrigerator with local temp change controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99220908 CN2384179Y (en) | 1999-05-14 | 1999-05-14 | Refrigerator with local temp change controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2384179Y true CN2384179Y (en) | 2000-06-21 |
Family
ID=34011571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99220908 Expired - Fee Related CN2384179Y (en) | 1999-05-14 | 1999-05-14 | Refrigerator with local temp change controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2384179Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121779A (en) * | 2011-04-06 | 2011-07-13 | 合肥美的荣事达电冰箱有限公司 | Refrigerator and temperature control method of variable-temperature chamber of refrigerator |
| WO2017016340A1 (en) * | 2015-07-30 | 2017-02-02 | 青岛海尔股份有限公司 | Refrigerator and defrosting control method thereof |
-
1999
- 1999-05-14 CN CN 99220908 patent/CN2384179Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121779A (en) * | 2011-04-06 | 2011-07-13 | 合肥美的荣事达电冰箱有限公司 | Refrigerator and temperature control method of variable-temperature chamber of refrigerator |
| WO2017016340A1 (en) * | 2015-07-30 | 2017-02-02 | 青岛海尔股份有限公司 | Refrigerator and defrosting control method thereof |
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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 |