CN1259648A

CN1259648A - Electronic refrigerator

Info

Publication number: CN1259648A
Application number: CN 98112711
Authority: CN
Inventors: 曹龙; 蒋平松; 蒋阳虎; 罗夕军; 杨勇
Original assignee: 曹龙
Priority date: 1998-11-03
Filing date: 1998-11-03
Publication date: 2000-07-12

Abstract

An electronic refrigerator, in the box body of refrigerator is set with high efficiency electric temp. difference refrigerating and heating modules, cold source water tank, heat eliminating water tank, cold liquid pump, hot liquid pump. radiator cold eliminator, temp. sensor, electric appliance box, blower etc. The cold source water tank and heat eliminating water tank are closely installed at two sides of high efficiency electric temp. difference refrigerating and heating modules, the cold source water tank is connected with cold eliminator of freezing chamber and refrigerating chamber respectively by cold liquid pump, heat eliminating water tank is connected with radiator by hot liquid pump. The present invention is ingenious in construction idea , rational in design, good in performance etc.

Description

Electronic refrigerator

The present invention relates to a kind of freezing equipment, particularly relate to a kind of electronic refrigerator of using cooling technique of semiconductor.

As everyone knows; current refrigerator all adopts chlorofluoromethane refrigerant to freeze by compressor refrigeration system, and the employed chlorofluoromethane refrigerant of this refrigerator destroys atmospheric ozone layer, is unfavorable for human environmental protection; be declared as the cold-producing medium of being about to eliminate in the world, and this refrigerant system configurations complexity, difficulty made; technology difficulty is big, cost is high; high frequent starts, and noise is big, and electrical network is also had certain interference and influence.

The present invention's purpose aim to provide a kind of simple in structure, production cost is low, no atmosphere pollution and influence of noise, easy to use, novel green product---electronic refrigerator that technical performance is good.

Technical solution of the present invention is: this electronic refrigerator has casing, refrigerating chamber, refrigerating chamber, refrigerating chamber door, refrigerating-chamber door, efficient electric temperature-difference refrigerating is installed in the casing and heats assembly, the low-temperature receiver water tank, cooling water tank, condenser pump, the hydrothermal solution pump, radiator, the refrigerating chamber cooler, the refrigerating chamber cooler, freezer temperature sensor, refrigerator temperature sensor, the electrical equipment box, blower fan, low-temperature receiver water tank and cooling water tank snugly fit into efficient electric temperature-difference refrigerating and heat the both sides of assembly, the low-temperature receiver water tank is connected with the refrigerating chamber cooler with the refrigerating chamber cooler by condenser pump respectively, the return duct of refrigerating chamber cooler and refrigerating chamber cooler all connects the low-temperature receiver water tank again, the refrigerating chamber cooler is installed in the refrigerating chamber side, the refrigerating chamber cooler is installed in the side of refrigerating chamber, cooling water tank is connected with radiator by the hydrothermal solution pump, the return duct of radiator is connected to cooling water tank again, blower fan is installed in radiator one side, freezer temperature sensor is installed in refrigerating chamber one side, refrigerator temperature sensor is installed in refrigerating chamber one side, temperature sensor, efficient electric temperature-difference refrigerating and heat assembly, the hydrothermal solution pump, condenser pump, blower fan all is electrically connected with the electrical equipment box.

Like this, civil power offers efficient electric temperature-difference refrigerating and heats the assembly operating current after the circuit control in the electrical equipment box, efficient electric temperature-difference refrigerating and heat assembly work after, respectively to low-temperature receiver water tank that closely is connected both sides and cooling water tank conduction cold, heat, refrigerant in the low-temperature receiver water tank flows into refrigerating chamber cooler and refrigerating chamber cooler by condenser pump respectively, and flow back to the low-temperature receiver water tank by return duct, thereby make refrigerating chamber and refrigerating chamber refrigeration, meanwhile, cooling water tank passes through the hydrothermal solution pump with the heating agent inflow radiator, return duct is connected to cooling water tank again, and the heat of heat sink radiates is taken away by blower fan wind.Therefore, the present invention has thoroughly changed current refrigerator and has used chlorofluoromethane refrigerant to destroy the backward state that atmospheric ozone layer contaminated environment and influence of noise, electrical network disturb, providing a kind of with brand-new looks does not have any environmental pollution, noiselessness and does not have that electrical network disturbs, simple in structure, production cost is low, technical performance is advanced novel green product---electronic refrigerator, its application prospect is very wide, succeeding in developing of electronic refrigerator will cause the change of a update.

Fig. 1 is a structural representation of the present invention;

Fig. 2 is for efficient electric temperature-difference refrigerating and heat the modular construction schematic diagram;

Fig. 3 is circuit theory diagrams of the present invention.

Below in conjunction with accompanying drawing the present invention is described in further detail:

Referring to Fig. 1, this electronic refrigerator has casing 1, refrigerating chamber 2, refrigerating chamber 3, refrigerating chamber door 4, refrigerating-chamber door 5, efficient electric temperature-difference refrigerating is installed in the casing 1 and heats assembly 6, low-temperature receiver water tank 7, cooling water tank 8, condenser pump 9,18, hydrothermal solution pump 10, radiator 11, refrigerating chamber cooler 12, refrigerating chamber cooler 13, freezer temperature sensor 14, refrigerator temperature sensor 15, electrical equipment box 16, blower fan 17, low-temperature receiver water tank 7 and cooling water tank 8 snugly fit into efficient electric temperature-difference refrigerating and heat the both sides of assembly 6, low-temperature receiver water tank 7 is respectively by condenser pump 9,18 are connected with refrigerating chamber cooler 13 with refrigerating chamber cooler 12, the return duct 20 of refrigerating chamber cooler 12 and refrigerating

chamber cooler

13,19 all connect low-temperature receiver water tank 7 again, refrigerating chamber cooler 12 is installed in refrigerating chamber 2 sides, refrigerating chamber cooler 13 is installed in the side of refrigerating chamber 3, cooling water tank 8 is connected with radiator 11 by hydrothermal solution pump 10, the return duct 21 of radiator 11 is connected to cooling water tank 8 again, blower fan 17 is installed in radiator 11 1 sides, freezer temperature sensor 14 is installed in refrigerating chamber 2 one sides, refrigerator temperature sensor 15 is installed in refrigerating chamber 3 one sides,

temperature sensor

14,15, efficient electric temperature-difference refrigerating and heat assembly 6, hydrothermal solution pump 10, condenser pump 9,18, blower fan 17 all is electrically connected with electrical equipment box 16.

Referring to the efficient electric temperature-difference refrigerating of Fig. 2 with heat the modular construction schematic diagram, the upper and

lower copper coin

26,27 of a plurality of P-type semiconductors 24 and N-type semiconductor 25 being installed between upper and lower exhausted electric heat-conducting

plate

22,23 and being connected with P-type semiconductor, N-type semiconductor, when electronics when copper coin flows into P-type semiconductor, because can be different in two things, the contact position has energy to discharge, copper coin heats up, causing wherein, an exhausted electric heat-conducting plate heats up, when electronics when P-type semiconductor flows into copper coin, absorb heat in two thing contact positions, the copper coin cooling, another exhausted electric heat-conducting plate cooling; When electronics when copper coin flows into N-type semiconductor, in like manner, there is the heat absorption phenomenon contact position, the copper coin cooling, exhausted electric heat-conducting plate cooling, when electronics when N-type semiconductor flows into copper coin, there is exothermic phenomenon the contact position, copper coin heats up, another exhausted electric heat-conducting plate heats up.Principle according to this, its cooling and warming also is reversed during current reversal.

In order to realize efficient electric temperature-difference refrigerating and to heat the efficient of assembly, arc can be processed in the copper coin inboard, in order to heat radiation in the direction set of the center of circle, reduce the radiation loss of heat, can also carry out insulation in the space between exhausted electric heat-conducting plate and copper coin, P-type semiconductor, the N-type semiconductor, as filling heat insulator etc.

This efficient electric temperature-difference refrigerating and heat assembly done detailed thorough argumentation in Chinese patent 96242510.9 has been captured the difficult problem of puzzlement pipe cooling technique of semiconductor for a long time, for succeeding in developing of electronic refrigerator laid a good foundation.

Referring to Fig. 3 circuit theory diagrams, civil power is exported two groups of alternating voltages through AC transformer B1: one group of alternating voltage 42V supplies with the entire circuit dc supply through diode D4-D7 rectification after resistance R 5 capacitor C 4, C5 filtering, the voltage-stabiliser tube D2 voltage stabilizing; Another group alternating voltage 24V is through diode D1 rectification, resistance R 4, capacitor C 6, C7 filtering, supply with two groups of electric bridge ABCD after the voltage-stabiliser tube D3 voltage stabilizing, A ' B ' C ' D ' working power, be attempted by their diagonal CD, on C ' D ', as shown in the figure, by resistance R 1, R2, R3 and (R4+W) form one group of balanced bridge, wherein R1 is a thermistor, just aforesaid temperature sensor, another group balanced bridge is by R6, R7, R8, (R9+W1) form, wherein R6 is another thermistor, it is temperature sensor, transistor BG1, the emitter stage of BG3 and base stage are connected on the diagonal AB of electric bridge, on A ' B ', at C, D and C ', be connected to the stable DC voltage of 16V on 2 of the D ', R2 in the balanced bridge, R3, R4 and R7, R8, the R9 resistance can not become, at adjustment potentiometer W, when the resistance of W1 is constant, has only thermistor R1, R6, when its refrigerator temperature of experiencing changes, its resistance just changes, refrigerator temperature raises, the resistance of R1 and R6 reduces, the pressure drop VCA at two ends, VC ' A ' also diminishes, A point and A ' 's current potential raises, work as VA, VA ' is elevated to VA, VA ') during Vb, triode BG1, the BG3 conducting, colelctor electrode has electric current I c to pass through, refrigerator temperature is high more, Ic also obviously increases thereupon, when increasing to, Ic equals relay J 1, during the operating current of J3, the actuating of relay, connect the condenser pump power supply, condenser pump work, when refrigerator temperature descends gradually, thermistor R1, the R6 value increases gradually, BG1, the Ic of BG3 obviously reduces, when Ic drops to the release current of relay, relay discharges, the condenser pump power supply is cut off, refrigerator temperature gos up once more later on, then repeat the above-mentioned course of work, circulation and so forth, what is particularly worth mentioning is that this circuit has also designed the operating circuit of triode BG2 and relay J 2 thereof, and the base stage of BG2 is by diode D8, D9 is connected to above-mentioned triode BG1 respectively, the base stage of BG3, electric bridge A just, A ' point, therefore, as long as BG1, any one triode work conducting among the BG3, the BG2 conducting of all can working, the BG2 conducting, relay J 2 adhesives, connect the input power supply of transformer B2, just connect efficient electric temperature-difference refrigerating and heated assembly and fan, hydrothermal solution pump work power supply, and enter duty simultaneously, because efficient electric temperature-difference refrigerating and heat assembly and export through diode D10-D13 rectification by transformer B2 time level, resistance R 10, capacitor C 8, provide operating current after the C9 filtering.

In sum, the present invention adopts freezer temperature sensor, refrigerator temperature sensor to connect separately control circuit respectively, and then control condenser pump work separately respectively, and connect efficient electric temperature-difference refrigerating simultaneously and heat the assembly operating current, refrigerating chamber, refrigerating chamber are worked alone separately, realize refrigerating chamber, the two warm duplexing conditions in the two chambers of refrigerating chamber.

This circuit design is highly sensitive, switch accurate, technology maturation.

Claims

1, a kind of electronic refrigerator, has casing, refrigerating chamber, refrigerating chamber, refrigerating chamber door, refrigerating-chamber door, efficient electric temperature-difference refrigerating is installed in the casing and heats assembly, the low-temperature receiver water tank, cooling water tank, condenser pump, the hydrothermal solution pump, radiator, the refrigerating chamber cooler, the refrigerating chamber cooler, freezer temperature sensor, refrigerator temperature sensor, the electrical equipment box, blower fan, low-temperature receiver water tank and cooling water tank snugly fit into efficient electric temperature-difference refrigerating and heat the both sides of assembly, the low-temperature receiver water tank is connected with the refrigerating chamber cooler with the refrigerating chamber cooler by condenser pump respectively, the return duct of refrigerating chamber cooler and refrigerating chamber cooler all connects the low-temperature receiver water tank again, the refrigerating chamber cooler is installed in the refrigerating chamber side, the refrigerating chamber cooler is installed in the side of refrigerating chamber, cooling water tank is connected with radiator by the hydrothermal solution pump, the return duct of radiator is connected to cooling water tank again, blower fan is installed in radiator one side, freezer temperature sensor is installed in refrigerating chamber one side, refrigerator temperature sensor is installed in refrigerating chamber one side, temperature sensor, efficient electric temperature-difference refrigerating and heat assembly, the hydrothermal solution pump, condenser pump, blower fan all is electrically connected with the electrical equipment box.

2, electronic refrigerator according to claim 1, it is characterized in that adopting freezer temperature sensor, refrigerator temperature sensor to connect separately control circuit respectively, and then control condenser pump work separately respectively, and connect efficient electric temperature-difference refrigerating simultaneously and heat the assembly operating current, refrigerating chamber, refrigerating chamber are worked alone separately, realize refrigerating chamber, the two warm duplexing conditions in the two chambers of refrigerating chamber.