CN2075757U

CN2075757U - Refrigerator with power saving water heater

Info

Publication number: CN2075757U
Application number: CN 89216129
Authority: CN
Inventors: 曲声波
Original assignee: Individual
Current assignee: Individual
Priority date: 1989-10-27
Filing date: 1989-10-27
Publication date: 1991-04-24

Abstract

Disclosed is a refrigerator with an energy saving water heater, which can be used for an ordinary domestic refrigerator and can use refrigeration waste heat to generate hot water for showering. The utility model comprises the compression refrigeration system of an ordinary refrigerator and the power saving water heater which is composed of a heat preserving water tank and a water cooling heat exchanger, wherein, the water cooling heat exchanger which is connected with the refrigeration system through a pipeline transfers the refrigeration waste heat to the water heater. The hot water for showering can be generated without consuming electric energy or other kinds of energy source.

Description

Refrigerator with power saving water heater

The utility model is a kind of refrigerator that has energy-saving water heater, belongs to multiduty energy-saving daily-use electrical appliance.This refrigerator is except the refrigerating function that possesses common refrigerator, and the used heat that also utilizes process of refrigerastion to produce is produced hot water for shower bath.

Refrigerator is to utilize electric energy to make the equipment of low temperature environment in casing, the 38th piece of principle, structure and the designing and manufacturing technique of having introduced daily refrigerator in " motor engineering handbook " (China Machine Press, 1980).In process of refrigerastion, compressor wants consumed power to the cold-producing medium work done, and cold-producing medium will absorb heat in refrigerator.In common refrigerator, these energy all become used heat and are dispersed into by condenser and cause thermal pollution in the environment.On the other hand, though various electric heating shower heaters are arranged on the market,, they mostly need to consume powerful electric energy, sometimes even can surpass the load-bearing capacity of kilowatt-hour meter, damage kilowatt-hour meter and cause unexpected the power failure.

The purpose of this utility model is at a kind of refrigerator that has energy-saving water heater of the problems referred to above design, and it can utilize the used heat in the refrigerator process of refrigerastion to produce hot water, the electric energy that the comprehensive utilization refrigerator consumes.

The purpose of this utility model is achieved in that

Attemperater of external equipment at common refrigerator insulation casing is equipped with water cooling heat exchanger in this attemperater.Water cooling heat exchanger is connected with the refrigeration system of refrigerator by pipeline.When refrigerator was worked, the used heat that produces that freezes was passed to the interior water of attemperater through water cooling heat exchanger, and it is heated gradually, thus the low-temperature water heating that acquisition can supply shower to use.

Water cooling heat exchanger in the utility model can be that heat conduction good metal pipe curves the ring-type heat exchanger that ring-type is made, the pipeline of ring-type heat exchanger directly is communicated with the compressor of refrigeration system of refrigerator and condenser, cold-producing medium flows through the ring-type heat exchanger, directly the water in the heat transferred attemperater.Water cooling heat exchanger can also be connected with refrigeration system of refrigerator by vacuum heat-pipe, and the used heat that utilizes the heat transfer medium in the vacuum heat-pipe that refrigeration is produced passes to the water in the attemperater.Water cooling heat exchanger in a kind of mode in back adopts the tubular exchanger that has fin, and heat-transfer effect is better.

The utility model compared with prior art has following advantage:

(1) the utility model utilizes the used heat production hot water that the refrigerator refrigeration produces, and does not need other consumed power and other energy.Power consumption every day of a refrigerator adds cold-producing medium from the systemic heat of refrigerator more than 1 kilowatt-hour, and total quantity of heat production is above 2000 kilocalories.If can utilize 50% of these energy, promptly 1000 kilocalories, can make 50 intensification degree is that 20 ℃ running water is warming up to 40 ℃.These hot water can reach a three-person household and wash Water-heating shower one time.

(2) refrigerator of the present utility model is equipped with energy-saving water heater, and equaling had increased the one-level water-filled radiator before former condenser, can improve refrigerating efficiency, and the power consumption of refrigerator was decreased than originally.

(3) the utility model makes the used heat of refrigeration generation obtain comprehensive utilization, can reduce the thermal pollution of refrigerator to environment, reduces environment temperature.

Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof:

Fig. 1 is the utility model typical embodiments structural representation.

Fig. 2 is the embodiment structural representation that adopts the vacuum heat-pipe heat exchanger.

Fig. 3 is vacuum heat-pipe and compressor escape pipe bonding state profile.

Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing.

Fig. 1 is an embodiment of the present utility model, this scheme comprises the basic structure of compressed steam refrigeration device, i.e. compressor ［ 4 ］, condenser ［ 6 ］ and place refrigeration system that the inner evaporimeter (figure does not draw) of refrigerator insulation casing ［ 3 ］ constitutes and attemperater ［ 1 ］ and the energy-saving water heater main body that constitutes as the ring-type heat exchanger ［ 2 ］ of water cooling heat exchanger.Attemperater in the present embodiment ［ 1 ］ connects into overall structure with refrigerator insulation shell ［ 3 ］.Attemperater ［ 1 ］ adopts the manufacturing process processing identical with the refrigerator insulation shell, uses foamed plastic as heat-insulation layer.Originally energy-conservation water heater production is low-temperature water heating, the difference of water temperature and environment temperature is generally at 20-40 ℃, near with the differential of refrigerator refrigeration room temperature and environment temperature, therefore, the water tank heat preserving layer thickness is identical with the refrigerating chamber insulation layer thickness can to reach satisfied heat insulation effect.The volume of attemperater is determined according to refrigerator refrigerating capacity size, is generally about 20-1001, and is best with 40-601.In the present embodiment, ring-type heat exchanger ［ 2 ］ directly is communicated with compressor for refrigeration ［ 4 ］ and freezing machine ［ 6 ］.The refrigeration working medium of refrigerator (for example F-12) directly enters ring-type heat exchanger ［ 2 ］ by compressor escape pipe ［ 5 ］, and the heat that process of refrigerastion is produced is passed to the water in the attemperater ［ 1 ］.The heat that is absorbed by water does not dissipate along with refrigeration working medium enters condenser for refrigerator ［ 6 ］ again.Condenser is identical with common refrigerator, but in the attemperater when anhydrous refrigerator utilize still operate as normal of condenser heat radiation.Ring-type heat exchanger ［ 2 ］ in the present embodiment is that the metal tube looped-shaped bending is made.The material of ring-type heat exchanger ［ 2 ］ is preferably identical with the compressor escape pipe, so that welding.Muff ［ 7 ］ is housed on the compressor escape pipe ［ 5 ］, can reduces thermal loss.Muff ［ 7 ］ also can be made with foamed plastic.

Fig. 2 is an another embodiment of the present utility model.In the present embodiment, adopt heat-transfer effect better with the tubular exchanger ［ 10 ］ of fin as water cooling heat exchanger.The pipeline of tubular exchanger ［ 10 ］ is connected with the refrigeration system (not drawing among the figure) of refrigerator and heat-shift by vacuum heat-pipe ［ 8 ］.The heat absorbing end of vacuum heat-pipe ［ 8 ］ closely contacts with the escape pipe ［ 5 ］ of compressor for refrigeration, and the used heat that process of refrigerastion produces is passed to vacuum heat-pipe ［ 8 ］ by contact-making surface, makes the heat transfer medium evaporation in the heat pipe, and heat is brought to tubular exchanger ［ 10 ］.Vacuum heat-pipe ［ 8 ］ is common Cryo Heat Tube, and heat transfer medium can adopt ether or other adopting heat pipes for heat transfer medium commonly used.Fig. 3 is the profile of vacuum heat-pipe ［ 8 ］ and compressor escape pipe ［ 5 ］ bonding state.The heat absorbing end section of vacuum heat-pipe ［ 8 ］ is made meniscus, is in order to increase the contact area of give vent to anger with compressor ［ 5 ］.The heat absorbing end of vacuum heat-pipe ［ 8 ］ closely contacts with compressor escape pipe ［ 5 ］ and coats with muff ［ 9 ］, so that reduce thermal loss.Muff ［ 9 ］ is normally made with foamed plastic.Attemperater in the utility model ［ 1 ］ is equipped with waterpipe jointing ［ 11 ］ by the bottom, is used for adding cold water injection and emit hot water from water tank to attemperater ［ 1 ］.Waterpipe jointing ［ 11 ］ also can replace with water valve.

In order when refrigerator is stopped using, to produce hot water or provisional additional heating, in the attemperater in the utility model ［ 1 ］ auxiliary electro-heat device ［ 12 ］ can be installed.Because attemperater ［ 1 ］ has good heat-insulating property, auxiliary electro-heat device ［ 12 ］ can adopt lower-powered electrothermal tube, thereby the load-bearing capacity of avoiding surpassing kilowatt-hour meter causes the accident.For general domestic type energy-saving water heater, the power selection of auxiliary electro-heat device ［ 12 ］ is preferable in the 200-500W effect.

Claims

1, a kind of refrigerator that has energy-saving water heater, the refrigeration system that this refrigerator has cover compressor [4], a condenser [6] and places the inner evaporimeter of insulation casing [3] to constitute, the attemperater [1] that it is characterized in that being incubated casing [3] external equipment, water cooling heat exchanger is equipped with in attemperater [1] inside, water cooling heat exchanger is connected with refrigeration system by pipeline, and refrigeration used heat is passed to water in the attemperater [1].

2, refrigerator according to claim 1, it is characterized in that said water cooling heat exchanger is that metal tube curves the ring-type heat exchanger ［ 2 ］ that ring-type is made, the pipeline of ring-type heat exchanger ［ 2 ］ directly is communicated with the compressor ［ 4 ］ and the condenser ［ 6 ］ of refrigeration system, directly transmits heat by cold-producing medium.

3, refrigerator according to claim 1, it is characterized in that said water cooling heat exchanger is the tubular exchanger ［ 10 ］ of band fin, the pipeline of tubular exchanger ［ 10 ］ is connected with refrigeration system by vacuum heat-pipe ［ 8 ］, transmits heat by the heat transfer medium in the vacuum heat-pipe.

4, according to claim 1,2 or 3 described refrigerators, it is characterized in that attemperater ［ 1 ］ and refrigerator insulation shell ［ 3 ］ connect into overall structure, use foamed plastic as heat-insulation layer.