CN2040618U

CN2040618U - Semiconductor galvanic pile cooling vacuum insulating refrigerator

Info

Publication number: CN2040618U
Application number: CN 88218720
Authority: CN
Inventors: 刘泰云; 伍志超
Original assignee: Individual
Current assignee: Individual
Priority date: 1988-12-20
Filing date: 1988-12-20
Publication date: 1989-07-05

Abstract

The utility model discloses a semiconductor galvanic pile cooling vacuum insulating refrigerator, belonging to the technical field of the electronic cooling. The semiconductor galvanic pile cooling vacuum insulating refrigerator uses a semiconductor galvanic pile to cool without needing the cooling system of the existing general refrigerator, the utility model is provided with the housing of the box body of the general refrigerator, a freezing chamber and a refrigerating chamber which are arranged inside the box body, temperature controller turn buttons inside the freezing chamber and the refrigerating chamber, a power-saving switch, a lamp inside the box body, a shelf, a fruit and a vegetable boxes and an electric control box and is also provided with a cooling aluminium plate, a multi-stage cooling galvanic pile, an insulating enamel, a mercury glass, etc. The utility model solves the problem that the existing general refrigerator is difficult to be manufactured due to the high manufacturing technique of a compressor, having the advantages of simple structure, long service life, low power consumption, tight insulation and good cooling effect.

Description

Semiconductor galvanic pile cooling vacuum insulating refrigerator

The utility model relates to the cold vacuum heat insulation refrigerator of a kind of semi-conductor electricity composting, belongs to the electronic cooling technical field.

The refrigeration part of electric refrigerator for freezing and cold storage refrigeration system all is to adopt compressor at present, and this mechanical compression refrigeration can obtain refrigeration preferably, but because compression mechanism technology for making height, thereby bring difficulty for the manufacturing of refrigerator; Refrigerant liquid has corrosiveness to condenser copper tube in the refrigeration system simultaneously, influences the life-span; Also because of the heat insulation energy loss of sternly not bringing.Mechanical compression type and absorption two kinds are roughly arranged in the existing Refrigeration Technique, yet these two kinds of refrigeration modes all need cold-producing medium, all are with corrosivity.Also has the third refrigeration modes in fact, it is electronic cooling, electronic cooling is a Peltier effect principle of using thermoelectric effect, there is the people to want it is used on the refrigerator in China recent years, but, adds that Lou heat is serious because of the temperature difference is too little, can only make the small-sized refrigerating box that is difficult to freeze, Guangzhou and Shenzhen utilize the semi-conductor electricity composting cold and produce the small-sized refrigerating box of 12 liters, 16 liters, and lowest refrigerating temperature is+4 ℃, can not make refrigerator.

The purpose of this utility model is to utilize the semi-conductor electricity composting cold, provides a kind of semiconductor vacuum adiabatic refrigerator, replaces used mechanical compression refrigeration refrigerator with it, can overcome existing refrigerator shortcoming, simple in structure being easy to made, and be adiabatic tight, good refrigeration effect, and save electric energy.

The utility model is finished as follows: it has the common refrigerator cabinet shell, the refrigerating chamber of bottom and temperature controller knob within it, province's electric switch, lamp inside the box, shelf, fruit and vegetable box in the refrigerating chamber of casing internal upper part and the casing, and the electric control box of the chamber door of carrying magnetic strip of paper used for sealing and box back surface, feature is need not have the common refrigerator refrigeration system now, is cold with the semi-conductor electricity composting.In refrigerating chamber, has the refrigeration aluminium sheet, the refrigeration aluminium sheet links to each other with the multi-stage refrigerating pile of arranging by arithmetic series, and the skin of refrigeration aluminium sheet has heat insulation enamel, and the skin of heat insulation enamel has mercury glass, and mercury glass is made closed, and the centre that is closed is the vacuum courage; Have the refrigeration aluminium sheet in refrigerating chamber, the refrigeration aluminium sheet links to each other with the single-stage cooling pile, and the skin of the aluminium sheet that freezes has heat insulation enamel, and the skin of heat insulation enamel has mercury glass, and mercury glass makes closed, and the centre that is closed is the vacuum courage; Between refrigerating chamber and refrigerating chamber, have and to control the cold air path that opens or closes, the two is communicated or close; The single-stage cooling pile is made of the heat conductive silica gel at the glass mat of the fixedly heat-blocking action of filling around thermoelectric couple and its, its two ends and aluminium sheet and the breeder tube in heat conductive silica gel; The multi-stage refrigerating pile is to be in series by a plurality of single-stage cooling piles; Has the fin that to force cooling with wind at box back surface.The multi-stage refrigerating pile of the cold vacuum heat insulation refrigerator of this semi-conductor electricity composting can be 3 grades of cooling piles.

The utility model has following advantage:

1, simple in structure, to compare with the refrigerator of now using mechanical compression refrigeration, it does not need the high compressor of manufacturing technology, does not need to be with corrosive refrigerant liquid yet, adopts simply constructed multi-stage refrigerating pile refrigeration;

2, saves energy, because tank wall vacuum courage thermal insulation, the reflection of mercury glass minute surface has solved the leakage heat problem, refrigeration system can keep freezing after quitting work, need not power in 17 hours;

3, long service life compares long 2～3 times of life-span with the refrigerator of now using mechanical compression refrigeration;

4, refrigeration performance is effective, and temperature can reach below-20 ℃.

Description of drawings: Fig. 1 is the structural representation that the cold vacuum heat insulation refrigerator of semi-conductor electricity composting is vertically analysed and observe to the back side of case center line along the chamber door center line;

Fig. 2 is 3 grades of cooling pile schematic diagrames, is the partial enlarged drawing of Fig. 1.

Now describe embodiment of the present utility model in conjunction with the accompanying drawings in detail.

With reference to accompanying drawing 2, peltier effect principle according to thermoelectric effect, now with two kinds of different conductor bismuth telluriums (P), antimony tellurium (n) is fixed between two blocks of porcelain plates, and Zu Cheng rotation road, and be connected into the thermoelectric couple (11) of 4 yuan of systems, its two terminal contacts is A, B, thermoelectric couple (11) is filled with the fixedly glass mat of heat-blocking action (12) on every side, all there are heat conductive silica gel (13) and aluminium sheet (14) in two ends, and breeder tube (15) arranged in heat conductive silica gel (13), play automatic heat radiation effect when having electric current to pass through in the rotation road, A, two end points of B promptly produce temperature difference, make the B end than low 1 temperature approach of A end according to the sense of current, this just constitutes a single-stage cooling pile (8); For obtaining the big temperature difference, hold the thermoelectric couple (11) that adds 24 yuan of systems at B, obtain than low 2 temperature approach of B end at the C end like this; Add the thermoelectric couple (11) of 34 yuan of systems again at the C end, then obtain than low 3 temperature approach of C end at the D end, this multi-stage refrigerating pile (4) is exactly 3 grades of cooling piles, pressing arithmetic series like this arranges, utilize 3 grades of temperature difference sums, reach a bigger temperature difference, just the temperature of D end has a bigger difference of falling than the temperature of A end, can drop to below-20 ℃.With reference to accompanying drawing 1, in a common double door refrigerator casing, refrigerating chamber (1) is arranged at top, refrigerating chamber (2) is arranged at the bottom, the temperature controller knob is arranged in refrigerating chamber (2), economize electric switch, lamp inside the box, shelf, fruit and vegetable box, and the electric control box of the chamber door of carrying magnetic strip of paper used for sealing and box back surface.Refrigeration aluminium sheet (3) is housed in refrigerating chamber (1), multi-stage refrigerating pile (4) is made 3 grades of cooling piles, power is that 216 watts, voltage are that 7.2 volts, electric current are 3 peaces, refrigeration aluminium sheet (3) links to each other with the A end of 3 grades of cooling piles, the skin of refrigeration aluminium sheet (3) has heat insulation enamel (5), the skin of heat insulation enamel (5) has mercury glass (6), mercury glass (6) is made closed, the centre that is closed is vacuum courage (7), solve thermal radiation with the minute surface reflection, conduction and convection current with vacuum solves heat play a role in insulation.Refrigeration aluminium sheet (3) is housed in refrigerating chamber (2), refrigeration aluminium sheet (3) links to each other with the A end of single-stage cooling pile (8), the skin of refrigeration aluminium sheet (3) has heat insulation enamel (5), the skin of heat insulation enamel (5) has mercury glass (6), mercury glass (6) is made closed, the centre that is closed is vacuum courage (7), plays a role in insulation equally.At box back surface fin (10) is installed, forces cooling by the axial flow blower that is installed in box back surface.When plug at random is inserted on 220 volts of AC powers, after step-down, rectification, filtering, make ripple coefficient be lower than 10% direct current and enter refrigerator, refrigerator is started working, because 3 grades of cooling piles freeze and the vacuum insulation effect, the interior temperature of refrigerating chamber (1) is reached below-20 ℃; Meanwhile, because single-stage cooling pile (8) refrigeration and vacuum insulation effect, the interior temperature of refrigerating chamber (2) is reached be suitable for the refrigerated storage temperature value, when needs further freeze, cold air path (9) gauge tap of top refrigerating chamber (1) is opened assistance bottom refrigerating chamber (2) refrigeration.

Claims

1, the cold vacuum heat insulation refrigerator of a kind of semi-conductor electricity composting, has the common refrigerator cabinet shell, the refrigerating chamber (2) of bottom and temperature controller knob within it, province's electric switch, lamp inside the box, shelf, fruit and vegetable box in refrigerating chamber of casing internal upper part (1) and the casing, and the electric control box of the chamber door of carrying magnetic strip of paper used for sealing and box back surface, it is characterized in that:

In refrigerating chamber (1), has refrigeration aluminium sheet (3), refrigeration aluminium sheet (3) links to each other with the multi-stage refrigerating pile of arranging by arithmetic series (4), the skin of refrigeration aluminium sheet (3) has heat insulation enamel (5), the skin of heat insulation enamel (5) has mercury glass (6), and mercury glass (6) is made closed, and the centre that is closed is vacuum courage (7);

In refrigerating chamber (2), has refrigeration aluminium sheet (3), refrigeration aluminium sheet (3) links to each other with single-stage cooling pile (8), the skin of refrigeration aluminium sheet (3) has heat insulation enamel (5), the skin of heat insulation enamel (5) has mercury glass (6), and mercury glass (6) is made closed, and the centre that is closed is vacuum courage (7);

Have between refrigerating chamber (1) and the refrigerating chamber (2) and can control the cold air path (9) that opens or closes and the two is communicated or close;

Single-stage cooling pile (8) is by the glass mat (12) of thermoelectric couple (11) and its fixedly heat-blocking action of filling on every side, heat conductive silica gel (13) and the aluminium sheet (14) and the formation of the breeder tube (15) in heat conductive silica gel (13) at its two ends; Multi-stage refrigerating pile (4) is to be in series by a plurality of single-stage cooling piles (8);

Has the fin (10) that to force cooling with wind at box back surface.

2, the cold vacuum heat insulation refrigerator of semi-conductor electricity composting according to claim 1 is characterized in that multi-stage refrigerating pile (4) is 3 grades of cooling piles.