CN202195640U - High EER fridge - Google Patents
High EER fridge Download PDFInfo
- Publication number
- CN202195640U CN202195640U CN2011203161308U CN201120316130U CN202195640U CN 202195640 U CN202195640 U CN 202195640U CN 2011203161308 U CN2011203161308 U CN 2011203161308U CN 201120316130 U CN201120316130 U CN 201120316130U CN 202195640 U CN202195640 U CN 202195640U
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- refrigerator
- refrigerating chamber
- frosting
- temperature
- fridge
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Abstract
The utility model discloses a high EER (Energy Efficiency Ratio) fridge, which comprises a direct-cooling fridge, wherein a frosting temperature controller probe is mounted on the inner wall surface at an evaporator area in a refrigerating chamber; an automatic switch is serially connected with an electric fan, and then is connected in parallel with a power supply circuit of the fridge; and the electric fan is mounted in the refrigerating chamber. The fridge provided by the utility model has the advantages that: when the inner wall of the refrigerating chamber frosts, the automatic switch is accessed with the electric fan, air flow in the refrigerating chamber is accelerated, the heat exchange of the evaporator is significantly improved, frost is quickly melted, the EER is improved, and the operation time of a compressor is obviously shortened in the same refrigeration temperature; and the shortcomings that, the frequently-occurred local frosting on the inner wall of the refrigerating chamber causes that the temperature of the refrigerating chamber is not reduced when the temperature of a preset refrigerating chamber in the present direct-cooling fridge is lower, and the greatly-reduced refrigeration coefficient leads to the obviously-lengthened operation time of the compressor are overcome. Therefore, the fridge is used for improving various direct-cooling fridges, significantly prolonging the service life of the compressor, saving electricity, quickly reducing the temperature of refrigerating chamber, and being beneficial to food preservation.
Description
Technical field
The utility model relates to a kind of refrigerator, refers in particular to a kind of high energy efficiency and compares refrigerator.
Background technology
The refrigerator that coefficient of refrigerating performance is the highest in the world today is the refrigerator of compression-type refrigeration circulation, and it can be divided into derect refrigerated refrigerator and indirect-cooling refrigerator.Derect refrigerated refrigerator is the maximum a kind of refrigerator of China's sales volume and social owning amount, and because of its cost performance is higher than the indirect-cooling refrigerator, and fault rate is also low.It each has independently evaporimeter at the refrigerating chamber and the refrigerating chamber of refrigerator; Temperature controller is installed in the refrigerating chamber; Through the start-stop ratio of temperature controller automatic control compressor, thereby control the mean temperature in the refrigerating chamber automatically, the temperature in the refrigerating chamber also changes thereupon.Because the temperature controller of derect refrigerated refrigerator is at refrigerating chamber; So the heat exchange quality of refrigeration indoor evaporator and its interior food has just determined the Energy Efficiency Ratio (or claiming coefficient of refrigerating performance) of refrigerator; Frosting and heat exchange quality are irrelevant with the temperature controller switch state as for refrigerating chamber; Also promptly irrelevant with the Energy Efficiency Ratio of whole refrigerator, so Energy Efficiency Ratio only depends on and the refrigerating chamber operating mode.
The temperature of cold storage chamber of refrigerator generally is controlled at 0-12 degree centigrade, but to summer, because air humidity is big, dewfall or frosting are very fast in the refrigerating chamber.Fact proved; When temperature controller is arranged on refrigerating chamber when 6 degree are following; The freezer wall surface in refrigerator evaporator zone will very fast frosting (this be because summer environment temperature high, air humidity is big; Refrigerating chamber will obtain the low temperature below 6 degree, the refrigerator evaporator temperature to be lower than zero degree just can), and summer, compressor operating time was very long; Frosting can not be changed yet after the of short duration shutdown of compressor, so cause in the refrigerating chamber frosting very thick (user's preset temperature is low more, the big more frosting of air humidity thick more).This bed thickness frost; Owing to be to rely on the air free convection slowly in the refrigerating chamber not melt; This will seriously hinder refrigerator evaporator and the heat exchange that refrigerates room air and object; Reach the same interior cryogenic temperature of refrigerating chamber; Compressor want extra many runnings for a long time even continuously running do not shut down and do not reach below 6 degree yet, this has just brought the reduction significantly, waste of electric energy of Energy Efficiency Ratio and the drawback in shortening compressor service life, has brought inconvenience also for the lower temperature that obtains refrigerating chamber in summer.Also have a kind of situation, exactly when the user is provided with temperature of refrigerating chamber at zero degree or less than zero degree, no matter the spring, summer, autumn and winter, frosting is also wanted on the freezer wall surface in refrigerator evaporator zone, and this of knot layer frost also brought above-mentioned defective.A patent No. of Korea S LG Electronics Inc. is that the Chinese invention patent that 02105391.X, name are called " derect refrigerated refrigerator " does not overcome above-mentioned defective yet.
Summary of the invention
The purpose of the utility model, provide a kind of in each refrigerating chamber in season frost-free or do not tie thick frost, high energy efficiency compares refrigerator.
To achieve these goals; The utility model comprises a derect refrigerated refrigerator; Freezer wall surface 3 in the refrigerator evaporator zone; Frosting thermostat probe 4 is installed, and the power supply circuits with refrigerator circuit 1 after automatic switch K connects with electric fan 6 are in parallel, and electric fan 6 is installed in the refrigerating chamber.
In order to control frosting better; Have narrow interval between the freezer wall surface 3 in frosting thermostat probe 4 and refrigerator evaporator zone; Frosting thermostat probe 4 is fixed on the securing member 10, and securing member 10 is fixed on the freezer wall surface 3 in refrigerator evaporator zone through screw 9 and column 12.Electric fan 6 is installed near the freezer wall surface 3 in the evaporimeter zone in the refrigerating chamber.Securing member 10 is made for the insulation heat-barrier material.Regulate the gap between the regional freezer wall surface 3 of frosting thermostat probe 4 and refrigerator evaporator for ease, but between increases slack adjuster.
Also on automatic switch K the parallel connection hand switch K1.
Because the utility model is on the freezer wall surface in the refrigerator evaporator zone of derect refrigerated refrigerator; The frosting thermostat probe is installed; Power supply circuits with the refrigerator circuit after the automatic switch of frosting temperature controller is connected with electric fan are in parallel, and electric fan is installed in the refrigerating chamber.This just makes after the freezer wall surface frosting in refrigerator evaporator zone; The frost of knot has just touched the frosting thermostat probe; And the temperature of frost is a zero degree or sub-zero, if it is zero degree that the automatic connection temperature of automatic switch is set, automatic switch is connected automatically; Cause electric fan to rotate automatically; Thereby strengthened the freezer wall surface in refrigerator evaporator zone and the heat exchange of refrigerating chamber air significantly, the frost of knot has also just melted rapidly, has improved the Energy Efficiency Ratio of refrigerator.Under same cryogenic temperature, significantly shorten compressor operating time, practiced thrift electric energy, also prolonged compressor service life; After frost melts, the automatic stall of fan (with said process antithesis).This has also made things convenient for the user to obtain the low temperature of refrigerating chamber, has prolonged effective period of food quality, achieve many things at one stroke, but the cost increase seldom.Because its electric fan power is very little and the time long-term commentaries on classics is few, can not increase the power consumption of refrigerator, can economize on electricity on the contrary (because of the heat exchange that has improved the refrigeration room air has improved due to Energy Efficiency Ratio improves).
In addition, even if under the situation that does not need defrost, also can artificially connect hand switch; Strengthen refrigerator evaporator and the air in it and the heat exchange of food; The feasible food fast cooling of putting into, this helps food fresh keeping to once putting into more food more remarkable effect.
Description of drawings
Fig. 1 is the schematic diagram of the utility model.
Fig. 2 is the integral installation figure of the utility model.
The specific embodiment
In Fig. 1; Frosting thermostat probe 4, TEMP transfer tube 5, frosting temperature controller shell 7, automatic switch K form the frosting temperature controller; Available common on the market mechanical temperature-sensitive cavate temperature controller replace (frosting this moment thermostat probe 4 and TEMP transfer tube 5 just become for same external end head sealing, hollow and in the temperature-sensitive pipe of temperature gas is arranged; Its inner termination is connected with temperature controller temperature-sensitive chamber, and one section disc that coils into the snail shape in outer end of temperature-sensitive pipe is just constituted frosting thermostat probe 4, and the structure when this installs with the common refrigerator temperature controller is identical); But should utilize its normally closed switch contact, and will connect preset temperature smaller or equal to zero degree.Three core single phase poaer supply plugs 8 are parallelly connected with the power input of refrigerator circuit 1, and are parallelly connected with the power input of refrigerator circuit 1 after electric fan 6 is connected with automatic switch K.Automatic switch K is installed in the frosting temperature controller shell 7, and frosting temperature controller shell 7 is installed on the sidewall in the refrigerating chamber.The securing member 10 of frosting thermostat probe 4 and the insulation that plastics are made heat insulation (for anticreep and the sensitiveness that improves frosting) bonds together, and securing member 10 tightens together with the freezer wall surperficial 3 of column 12 usefulness screws 9 with the refrigerator evaporator zone.To between the freezer wall surface 3 in frosting thermostat probe 4 and refrigerator evaporator zone, form the 0.2-0.5 mm clearance; Like this when frost-free or frosting are very thin; Even if the temperature on the freezer wall surface 3 in refrigerator evaporator zone is subzero; The temperature of frosting thermostat probe 4 also is that the temperature of refrigeration room air is a temperature above freezing, and automatic switch K is connected.When screw 9 was four, the column 12 at corresponding screw position also had four (at four angles of securing member 10), and corresponding securing member 10 is a square-shaped planar.Column 12 can be (injection molded) of one with securing member 10.
Regulate the gap between the regional freezer wall surface 3 of frosting thermostat probe 4 and refrigerator evaporator for ease, but between increases slack adjuster.Such as on four columns 12, putting elastomeric stage clip separately, keep against these four spring handle gaps, regulate four screws 19 with regard to scalable both the gap.Adopt the regulative mode of other structures also can.
In order to improve the heat exchange of food in refrigerator evaporator and the refrigerating chamber; Especially once put into more food fast cooling for the food of just having put into; Also can be on automatic switch K hand switch K1 of parallel connection, hand switch K1 is installed on the frosting temperature controller shell 7.When the artificial connection of hand switch K1, electric fan 6 rotates.
In Fig. 2, the refrigerating chamber of refrigerator main body 11 is installed chamber door 2, and upper area is a refrigerating chamber, and lower area is a refrigerating chamber.Be that parts such as simplification is narrated, the temperature controller of the original band of refrigerator and structural member do not draw.3 the positions, upper back, freezer wall surface in refrigerator evaporator zone at refrigerating chamber.In order to improve defrost efficient; Can with electric fan 6 be installed in refrigerator evaporator zone freezer wall surface 3 near; (electric fan only is installed just such as being installed in back upper place, freezer wall right side or refrigerating chamber top rear; Having drawn two among the figure is for good explanation), be installed in interior other positions of refrigerating chamber certainly even be installed to chamber door 2 inboards and also can.When being installed, electric fan 6 is also noted that its blowing direction of adjustment points to the freezer wall surface 3 in refrigerator evaporator zone as far as possible.Frosting temperature controller shell 7 is installed on the right side wall in the refrigerating chamber, because of this zone generally has temperature controller.TEMP transfer tube 5 is close to the refrigerating chamber sidewall and is installed, but the position that contacts with the freezer wall surface 3 in refrigerator evaporator zone will put the bad material of thermal conductivity (thickness is at plastics more than 2 millimeters or rubber tube etc.).Be simplified structure, original temperature controller shell is done a little louder again, also packs automatic switch K of present embodiment etc. into and wherein also can.
The electric fan 6 of present embodiment can be used small-sized shaded-pole 220V electric fan (that uses on the micro-wave oven is the sort of), if with the 12V DC electric fan of using on the computer also can, between electric fan 6 and 220V power supply, increase 220V change 12V dc source this moment.Electric fan 6 will add a containment envelope, and it is injured to prevent that hand from hitting.
The work course of work of present embodiment is following: when the user regulates the original temperature controller of refrigerator; Preset temperature of refrigerating chamber below 6 degrees centigrade the time, freezer wall surface 3 frostings possibly in refrigerator evaporator zone, white thick when knot to making it to touch 4 last times of frosting thermostat probe; Frosting thermostat probe 4 inner temperature gases shrink because of cooling; Through TEMP transfer tube 5 the temperature-sensitive chamber is shunk, thereby cause the automatic switch K of normal off to connect automatically, electric fan 6 rotates and defrost; After having changed frost, because of frosting thermostat probe 4 frostless intensifications, the temperature gas in it expands because of intensification, causes automatic switch K to break off.The frosting defrosting hockets like this; Just can Keep cool indoor basic frost-free; Especially basic no thick frost does not influence the heat exchange of interior food of refrigerator evaporator and refrigerating chamber and air, has brought to obtain lower temperature, economize on electricity, the prolongation refrigerator advantage in service life.In throughout the year most times, fan 6 does not change.
Second embodiment of the utility model is after connecting electric fan 6 with automatic switch K and the 220V power output end of the temperature controller switch in the refrigerator circuit 1 is in parallel; Temperature controller breaks off back electric fan 6 has not in this case changeed yet; Also be electric fan 6 and the synchronous stall of compressor, the defrost effect is with aforementioned similar.
The 3rd embodiment of the utility model changes into the frosting temperature controller electronically controlled; Frosting this moment thermostat probe 4 is temperature sensor (such as a thermistor); TEMP transfer tube 5 is two leads, and electronic control circuit and automatic switch (relay or controllable silicon) and shell can be installed in any position of refrigerator body.
Claims (6)
1. a high energy efficiency compares refrigerator; Comprise a derect refrigerated refrigerator; It is characterized in that freezer wall surface (3) in the refrigerator evaporator zone; Frosting thermostat probe (4) is installed, and parallelly connected with the power supply circuits of refrigerator circuit (1) after automatic switch (K) is connected with electric fan (6), electric fan (6) is installed in the refrigerating chamber.
2. compare refrigerator by the described high energy efficiency of claim 1; It is characterized in that having narrow interval between the regional freezer wall surface (3) of frosting thermostat probe (4) and refrigerator evaporator; Frosting thermostat probe (4) is fixed on the securing member (10), and securing member (10) is fixed on the freezer wall surface (3) in refrigerator evaporator zone through column (12) and screw (9).
3. press the described high energy efficiency of claim 1 than refrigerator, it is characterized in that electric fan (6) is installed near the freezer wall surface (3) in refrigerator evaporator zone.
4. press the described high energy efficiency of claim 2 than refrigerator, it is characterized in that securing member (10) is that the insulation heat-barrier material is made.
5. press the described high energy efficiency of claim 1 than refrigerator, it is characterized in that having slack adjuster between the regional freezer wall surface (3) of frosting thermostat probe (4) and refrigerator evaporator.
6. press the described high energy efficiency of claim 1 than refrigerator, it is characterized in that automatic switch (K) parallel connection hand switch (K1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203161308U CN202195640U (en) | 2011-08-27 | 2011-08-27 | High EER fridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203161308U CN202195640U (en) | 2011-08-27 | 2011-08-27 | High EER fridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202195640U true CN202195640U (en) | 2012-04-18 |
Family
ID=45950545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203161308U Expired - Fee Related CN202195640U (en) | 2011-08-27 | 2011-08-27 | High EER fridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202195640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375264A (en) * | 2018-02-16 | 2018-08-07 | 吴玉珍 | The refrigerator that high refrigerating efficiency more economizes on electricity |
-
2011
- 2011-08-27 CN CN2011203161308U patent/CN202195640U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375264A (en) * | 2018-02-16 | 2018-08-07 | 吴玉珍 | The refrigerator that high refrigerating efficiency more economizes on electricity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20120827 |