CN1987307B - Automatic temperature regulating drawer of wind cooling type temperature control refrigerator - Google Patents
Automatic temperature regulating drawer of wind cooling type temperature control refrigerator Download PDFInfo
- Publication number
- CN1987307B CN1987307B CN2005101326216A CN200510132621A CN1987307B CN 1987307 B CN1987307 B CN 1987307B CN 2005101326216 A CN2005101326216 A CN 2005101326216A CN 200510132621 A CN200510132621 A CN 200510132621A CN 1987307 B CN1987307 B CN 1987307B
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- Prior art keywords
- temperature
- air
- deep bead
- drawer
- control
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
- F25D25/024—Slidable shelves
- F25D25/025—Drawers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/045—Air flow control arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
- F25D2700/121—Sensors measuring the inside temperature of particular compartments
Abstract
An automatic temp regulating drawer of an air cooled temp-controllable refrigerator is composed of a drawer consisting of bottom plate, front panel, back plate, left and right plates with air inlet on one of them and top cover, a temp control chamber outside the left or right plate with air inlet, an adjustable air gate with wind barrier plate and its driver, a temp control board before said temp control chamber and with temp regulating switch, and a temp sensor in the drawer.
Description
Technical field
The present invention relates to the automatic temperature-control drawer of a kind of refrigerator drawer, particularly a kind of air-cooled temperature control refrigerator.
Background technology
Refrigerator brings convenience to family life, has alleviated housework.Prevent taint of odour mutually between the different foods for the ease of the classification seasoning, current refrigerator is made mostly has multi-layer drawers or fruit and vegetable case.These drawers are arranged at respectively in refrigerating chamber and the refrigerating chamber, and whole refrigerator is divided into two temperature-controlled areas, i.e. freezer temperature control zone and temperature of refrigerating chamber control zone.Refrigerating chamber is relatively freezing the foodstuff storing thing under the low-temperature condition usually; And refrigerating chamber under the higher state of temperature that compares with frozen state foodstuff storing thing.Refrigerating chamber is kept the following chilling temperature of 18 degrees below zero usually; Refrigerating chamber then has the chilling temperature scope about 2 degree above freezing.The temperature user of above-mentioned refrigerating chamber and refrigerating chamber can regulate by the knob that is arranged on the temperature controller card.Described temperature control then is to realize by parking and driving to compressor.Usually will oppress keeping such as class in refrigerating chamber.And not having 18 degrees below zero between 2 degree above freezing or be higher than for example storing environment of 5,6 degree of 2 degree above freezing, the drawer that is arranged in the zones of different also can only be in above-mentioned two kinds of temperature, can not carry out temperature adjustment control separately, does not meet the use needs that diversified food is preserved.
The patent No. is 99217950, name is called in the patent of invention of [but temperature-changing chamber of refrigerator temperature adjustment], but a kind of temperature-changing chamber of temperature adjustment is disclosed, described temperature-changing chamber is the box body that is positioned over the drawer-like in the refrigerating chamber, its structure as shown in Figure 1, the box body 1 of one drawer-like, be provided with dismountable lid 2, it is characterized in that: postpone to the rear portion of box body 1 along its sidewall from the front of box body 1 elastic webbing 3 be set in the upper outer edges place of box body 1, one end of elastic webbing 3 with stir handle 4 and be connected, this is stirred handle 4 and is arranged on box body 1 front and is positioned at the bar-shaped trough that is parallel to lid 4, the other end of elastic webbing 3 links to each other with the adjustable plate 6 that box body 1 rear wall place is provided with, and adjustable plate 6 is hinged with box body.But the angle of inclination by stirring handle 4 pulling elastic webbings 3 transfer adjustable plates 6 enters the air quantity of box body, the temperature of control temperature-changing chamber with control.
This patent is just utilized the opening angle of the adjustable plate on the manual adjustment air inlet, controls the temperature of temperature-changing chamber by regulating intake.But the temperature of temperature-changing chamber is except that outside the Pass having with intake, and is also relevant with the kind quantity of institute's seasoning article in the temperature-changing chamber, if temperature-changing chamber is provided with the temperature indication, then the user can only in time adjust according to indicated temperature, and is necessarily very inconvenient.How a kind of refrigerator that can regulate each drawer temperature respectively automatically is provided is the demand of existing market.
Summary of the invention
Technical problem to be solved by this invention is, at the above-mentioned deficiency of prior art, and provides a kind of automatic temperature-control drawer of air-cooled temperature control refrigerator, to adapt to the different refrigeration or the needs of cryogenic temperature.
The automatic temperature-control drawer of air-cooled temperature control refrigerator provided by the present invention is realized by following technical scheme.
A kind of automatic temperature-control drawer of air-cooled temperature control refrigerator comprises: by drawer and temperature controlled compartment that base plate, front panel, back side panel, left and right side plate and loam cake are formed, it is characterized in that: one of them of left and right side plate is provided with air inlet; Described temperature controlled compartment is located at the outside of the side plate that is provided with air inlet; But be provided with the air register with deep bead in subtend air channel in temperature controlled compartment, but a driver connects the deep bead of described air register, the front of temperature controlled compartment is provided with the temperature control panel with temperature regulation switch; In drawer, be provided with temperature sensor; Described temperature regulation switch, temperature sensor and actuator electrical connect the refrigerator master controller.
Except that above-mentioned essential features, in specific implementation process, also can replenish following technology contents:
The automatic temperature-control drawer of described air-cooled temperature control refrigerator, it is characterized in that: but described air register is to be provided with air door on the sidewall in the subtend air channel of temperature controlled compartment, be provided with deep bead in described air door, described deep bead is flat-open type deep bead or plug-type deep bead; Described flat-open type deep bead is that a side of deep bead is hubbed at air door one side with rotating shaft, and described rotating shaft connects driver; Described plug-type deep bead is that the case in air door is provided with chute to both sides, and described deep bead is slidedly arranged in the described chute and connects driver.
The automatic temperature-control drawer of described air-cooled temperature control refrigerator is characterized in that: described driver is an electromagnet, and the moving iron core of described electromagnet connects described plug-type deep bead by the lever with back-moving spring; Or the moving iron core of described electromagnet connects the rotating shaft of described flat-open type deep bead by the fork with back-moving spring.
The automatic temperature-control drawer of described air-cooled temperature control refrigerator is characterized in that: described driver is a motor, and the haulage gear that passes through of described motor connects described plug-type deep bead; Or described motor leads to the rotating shaft that connects described flat-open type deep bead.
The automatic temperature-control drawer of described air-cooled temperature control refrigerator is characterized in that: described temperature sensor is a temperature-sensitive element, as: thermistor, RTD, heat-sensitive semiconductive shop.
The automatic temperature-control drawer of described air-cooled temperature control refrigerator is characterized in that: described temperature regulation switch is a dial switch, and each contact of described dial switch connects the resistance of different resistances respectively; Or described temperature regulation switch is a potentiometer.
The automatic temperature-control drawer of described air-cooled temperature control refrigerator is characterized in that: described master controller is the analog controller that CPU digitial controller or comparison amplifying circuit are constituted.
The invention has the advantages that:
Automatic temperature-control drawer provided by the present invention can be adjusted to separately temperature respectively according to the drawer that user's needs will be deposited different foods, helps the storage keeping of different foods.
For architectural feature of the present invention and effect thereof are had further understanding, enumerate specific embodiment now and be described with reference to the accompanying drawings as follows.
Description of drawings
Fig. 1 is the schematic diagram of current refrigerator adjustable temperature temperature-changing chamber.
Fig. 2 is the three-dimensional exploded view of automatic temperature-control drawer of the present invention.
Fig. 3 is the stereogram of automatic temperature-control drawer of the present invention.
But Fig. 4 is the air register of automatic temperature-control drawer of the present invention and a kind of enforcement illustration of driver.
But Fig. 5 is other of the air register of automatic temperature-control drawer of the present invention and driver plants the enforcement illustration.
Fig. 6 is the temperature control circuit block diagram of automatic temperature-control drawer of the present invention.
Fig. 7 is a kind of enforcement illustration of the temperature control circuit of automatic temperature-control drawer of the present invention.
Fig. 8 is that the another kind of the temperature control circuit of automatic temperature-control drawer of the present invention is implemented illustration.
The specific embodiment
Shown in Fig. 2,3 three-dimensional exploded view and the three-dimensional assembly diagram of the automatic temperature-control drawer of a kind of air-cooled temperature control refrigerator provided by the present invention.It comprises: by drawer 10 and temperature controlled compartment 20 that base plate 11, front panel 12, back side panel 13, left and right side plate 14,15 and loam cake are formed, wherein: one of them side plate of left and right side plate is provided with air inlet 16; Described temperature controlled compartment is located at the outside of the side plate that is provided with air inlet 16; But be provided with the air register with deep bead 30 40 of subtend refrigerator air duct (not shown) in temperature controlled compartment 20, but a driver 50 connects the deep bead 30 of described air register 40, the front of temperature controlled compartment is provided with the temperature control panel 25 with temperature regulation switch 24; In drawer or the drawer shelf be provided with the temperature sensor (not shown); Described temperature regulation switch 24, temperature sensor and driver 50 are electrically connected the refrigerator master controller.The user sets temperature required by temperature regulation switch, temperature sensor measurement drawer temperature is also sent the refrigerator master controller with observed temperature with voltage signal, the refrigerator master controller compares the voltage signal that the voltage signal and the temperature regulation switch 24 of temperature sensor sets, if observed temperature is lower than design temperature, then control driver motion deep bead and air door is reduced or close, reduce cold and flow into; If observed temperature is higher than design temperature, then control driver motion deep bead air door is increased until opening fully, increase cold and flow into.
Described deep bead 30 is flat-open type deep bead 31 or plug-type deep bead 32.
Fig. 2, shown in Figure 4 be the specific embodiment of plug-type deep bead 32, as figure institute be, described plug-type deep bead 32 is to be provided with chute 41 in the relative both sides of air door 40, described deep bead 32 is slidedly arranged in the described chute 41 and connects driver 50.In Fig. 2 specific embodiment, described driver 50 is electromagnet, and described electromagnet connects fork 51, and the other end of fork 51 connects the described deep bead 32 that is slidedly arranged in the chute 41 by connecting rod 52, also is provided with back-moving spring 53 on the fork 51.When observed temperature is higher than design temperature, then electromagnet energising adhesive makes fork overcome the pulling force of back-moving spring 53, turns clockwise, and connecting rod 52 outwards draws back deep bead, and air door is opened, and increases cold and flows into.Otherwise, then electromagnet outage, fork is rotated counterclockwise under the pulling force effect of back-moving spring 53, and connecting rod 52 inwardly advances deep bead, and air door is closed, and stops cold to flow into.
Fig. 2 adopts the specific embodiment of electromagnet, existence is the problem of suitable damper size as required, electromagnet with driver 50 in Fig. 4 specific embodiment changes motor 54 into, and motor 54 drags the described deep bead 32 that is slidedly arranged in the chute 41 by draw-gear 70.The refrigerator master controller can help thermostatic control according to the big or small suitably damper size of observed temperature and design temperature difference.
Described flat-open type deep bead 31 is sides that are hubbed at air door 40 in a side of deep bead with rotating shaft 33, described rotating shaft 33 connects driver (as shown in Figure 5), the driver drives rotating shaft drives deep bead 31 rotations, control the air door size by the different rotary angle, the cold enter drawer what are regulated.In specific embodiment shown in Figure 5, described driver is a motor 55, and described motor 51 can directly connect rotating shaft 33, also can connect rotating shaft 33 by deceleration device.
The drive unit of flat-open type deep bead 31 also can be an electromagnet, when adopting electromagnet, needs to set firmly a fork in the described rotating shaft 33, and described electromagnet connects described fork, also is provided with back-moving spring in fork or rotating shaft.
Fig. 5 is a relevant temperature controlled block diagram in the master controller of the present invention.Power supply connects control module provides required electric energy; The temperature setup unit send control module with the voltage signal that sets; The temperature sensor unit send control module with the measured temperature voltage signal, and control module poor according between the input signal of temperature sensor and temperature regulation switch sends control signal and drive driver by the power drive converting unit.
Shown in Figure 5 is to adopt the CPU digitial controller of cpu chip as control module, and described CPU processor has A/D conversion input interface and D/A conversion output interface; Temperature regulation switch R1 connects with temperature sensor RT and constitutes bleeder circuit, the voltage that is equivalent to temperature regulation switch R1 and temperature sensor RT that works compares, setting under the certain condition of resistance R 1, output voltage increases with the resistance of temperature sensor RT, and output voltage changes digital quantity into through A/D conversion input interface; CPU sends instruction and drives driver DZ through D/A conversion output interface by the power drive converting unit of being made up of transistor Q1 according to the size of output voltage.
Foregoing circuit also can be that temperature regulation switch R1 and temperature sensor RT are constituted bleeder circuit with other resistance respectively, the magnitude of voltage of each bleeder circuit is sent the different input interfaces of CPU respectively, CPU poor according between the input signal of temperature sensor and temperature regulation switch sends control signal and drives driver by the power drive converting unit.
Shown in Figure 6 is to adopt to compare the analog controller of amplifying circuit as control module.Temperature regulation switch R1 connects with temperature sensor RT and constitutes bleeder circuit, the input voltage signal of device N1 as a comparison; Resistance R 5 is the reference voltage of amplifying circuit as a comparison; Relatively amplifying circuit N1 is according to the difference output high potential or the electronegative potential of input voltage and reference voltage, and this output potential connects the transistorized base stage of power drive converting unit, the power on/off of control driver.
Described temperature sensor is a temperature-sensitive element, as: thermistor, RTD, heat-sensitive semiconductive pipe.Described temperature regulation switch is a dial switch, and each contact of described dial switch connects the resistance of different resistances respectively, or described temperature regulation switch is a potentiometer.
Claims (8)
1. the automatic temperature-control drawer of an air-cooled temperature control refrigerator, comprising: by drawer and temperature controlled compartment that base plate, front panel, back side panel, left and right side plate and loam cake are formed, it is characterized in that: one of them of left and right side plate is provided with air inlet; Described temperature controlled compartment is located at the outside of the side plate that is provided with air inlet; But be provided with the air register with deep bead in subtend air channel in temperature controlled compartment, but a driver connects the deep bead of described air register, the front of temperature controlled compartment is provided with the temperature control panel with temperature regulation switch; In drawer, be provided with temperature sensor; Described temperature regulation switch, temperature sensor and actuator electrical connect the refrigerator master controller, but described air register is to be provided with air door on the sidewall in the subtend air channel of temperature controlled compartment, be provided with deep bead in described air door, described deep bead is flat-open type deep bead or plug-type deep bead; Described flat-open type deep bead is that a side of deep bead is hubbed at air door one side with rotating shaft, and described rotating shaft connects driver; Described plug-type deep bead is that the case in air door is provided with chute to both sides, and described deep bead is slidedly arranged in the described chute and connects driver.
2. the automatic temperature-control drawer of air-cooled temperature control refrigerator according to claim 1, it is characterized in that: described driver is an electromagnet, the moving iron core of described electromagnet connects described plug-type deep bead by the lever with back-moving spring; Or the moving iron core of described electromagnet connects the rotating shaft of described flat-open type deep bead by the fork with back-moving spring.
3. the automatic temperature-control drawer of air-cooled temperature control refrigerator according to claim 1, it is characterized in that: described driver is a motor, the haulage gear that passes through of described motor connects described plug-type deep bead; Or described motor connects the rotating shaft of described flat-open type deep bead by the fork with back-moving spring.
4. the automatic temperature-control drawer of air-cooled temperature control refrigerator according to claim 1, it is characterized in that: described temperature sensor is a temperature-sensitive element.
5. the automatic temperature-control drawer of air-cooled temperature control refrigerator according to claim 4, it is characterized in that: described temperature-sensitive element is thermistor or heat-sensitive semiconductive pipe.
6. the automatic temperature-control drawer of air-cooled temperature control refrigerator according to claim 4, it is characterized in that: described temperature-sensitive element is a RTD.
7. the automatic temperature-control drawer of air-cooled temperature control refrigerator according to claim 1, it is characterized in that: described temperature regulation switch is a dial switch, each contact of described dial switch connects the resistance of different resistances respectively; Or described temperature regulation switch is a potentiometer.
8. the automatic temperature-control drawer of air-cooled temperature control refrigerator according to claim 1, it is characterized in that: described master controller is the analog controller that CPU digitial controller or comparison amplifying circuit are constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005101326216A CN1987307B (en) | 2005-12-23 | 2005-12-23 | Automatic temperature regulating drawer of wind cooling type temperature control refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005101326216A CN1987307B (en) | 2005-12-23 | 2005-12-23 | Automatic temperature regulating drawer of wind cooling type temperature control refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1987307A CN1987307A (en) | 2007-06-27 |
| CN1987307B true CN1987307B (en) | 2011-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005101326216A Active CN1987307B (en) | 2005-12-23 | 2005-12-23 | Automatic temperature regulating drawer of wind cooling type temperature control refrigerator |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423942B (en) * | 2013-08-13 | 2016-01-13 | 海信容声(广东)冰箱有限公司 | A kind of refrigerator being provided with separate variable-temperature |
| CN105423697A (en) * | 2015-12-17 | 2016-03-23 | 广东奥马电器股份有限公司 | Multifunctional temperature regulating panel |
| KR102617454B1 (en) * | 2018-06-27 | 2023-12-26 | 엘지전자 주식회사 | Vacuum adiabatic body, and refrigerator |
| CN112254404A (en) * | 2019-07-22 | 2021-01-22 | 青岛海尔特种制冷电器有限公司 | Refrigerating and freezing device |
| CN114322410B (en) * | 2021-12-13 | 2022-12-23 | 珠海格力电器股份有限公司 | Temperature changing chamber, temperature control method and refrigerator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2216228Y (en) * | 1994-10-13 | 1995-12-27 | 中国扬子电气(集团)公司 | Multifunctional indirect cooling type freezer |
| CN2392142Y (en) * | 1999-09-14 | 2000-08-16 | 合肥美菱股份有限公司 | Volume changeable refrigerator |
| CN1389696A (en) * | 2002-07-19 | 2003-01-08 | 合肥荣事达集团有限责任公司 | Control method of refrigerator temperature-changing chamber |
| CN2705759Y (en) * | 2004-05-14 | 2005-06-22 | 苏州三星电子有限公司 | Mixed cold type multiple temperature zone refrigerator |
-
2005
- 2005-12-23 CN CN2005101326216A patent/CN1987307B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2216228Y (en) * | 1994-10-13 | 1995-12-27 | 中国扬子电气(集团)公司 | Multifunctional indirect cooling type freezer |
| CN2392142Y (en) * | 1999-09-14 | 2000-08-16 | 合肥美菱股份有限公司 | Volume changeable refrigerator |
| CN1389696A (en) * | 2002-07-19 | 2003-01-08 | 合肥荣事达集团有限责任公司 | Control method of refrigerator temperature-changing chamber |
| CN2705759Y (en) * | 2004-05-14 | 2005-06-22 | 苏州三星电子有限公司 | Mixed cold type multiple temperature zone refrigerator |
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| Publication number | Publication date |
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| CN1987307A (en) | 2007-06-27 |
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