CN2420588Y - Liquid-liquid cold and hot source device - Google Patents

Abstract

The utility model relates to a liquid-liquid cold and heat source device, comprising a heat-production circuit which is orderly connected by a compressor, a condenser, a liquid reservoir, a dry filter, a current regulator, an evaporator and a gas and liquid separator through pipelines, and a heat-exchange circuit. Ant-freezing fluid is filled in the heat-exchange circuit. The heat-production parts of the refrigerator and the condenser of the evaporator is completed through two fluid circulation circuits. Therefore, the liquid-liquid cold and heat source device can normally work under the condition of lower environment temperature in winter. The utility model also has the advantages of reliable operation, high efficiency, energy saving, and convenient installation and operation.

Description

Liquid-liquid cold/heat source apparatus

The utility model relates to a kind of liquid-liquid cold/heat source apparatus that room temperature is regulated that is used for.

In the aircondition that uses at present, condenser and evaporimeter all adopt General design.Aircondition can switch condenser and evaporimeter in the use of Various Seasonal, to finish refrigeration and heating condition.But owing to adopted the condenser and the evaporimeter of General design, the shortcoming of this aircondition is: environment temperature is lower in the winter time, under subzero 10-15 ℃ situation, can't be converted to high level heat because Lowlevel thermal energy is not enough, so high level heat can't be emitted, so can not be as the thermal source operate as normal under this class aircondition situation that environment temperature is lower in the winter time.In addition, present aircondition also exists power consumption big, heat pump must be arranged on outdoor shortcoming.

In order to solve above-mentioned shortcoming, the utility model provides a kind of liquid-liquid cold/heat source apparatus, can operate as normal under this liquid-liquid cold/heat source apparatus situation that environment temperature is lower in the winter time, and reliable, and the efficient height, energy savings is installed and easy to operate.

To achieve these goals, the utility model provides a kind of liquid-liquid cold/heat source apparatus, it comprises by compressor, condenser, liquid reservoir, device for drying and filtering, flow controller, evaporimeter and gas-liquid separator heat loop and heat exchange loop by what pipeline was connected in sequence, are filled with anti-icing fluid in heat exchange loop.

As to further improvement of the utility model, in described heat exchange loop, with condenser mutually the outlet pipe of coupling link to each other with first interface of first two-position four-way valve, its water inlet pipe links to each other with first interface of second two-position four-way valve; The water inlet pipe of air-conditioning links to each other with second interface of first two-position four-way valve, and its outlet pipe links to each other with the 4th interface of second two-position four-way valve through pump; With described evaporimeter mutually the outlet pipe of coupling link to each other with the 3rd interface of described first two-position four-way valve, its water inlet pipe links to each other with the 3rd interface of second two-position four-way valve; The water inlet pipe of solar thermal collector links to each other with the 4th interface of first two-position four-way valve, and its outlet pipe links to each other with second interface of second two-position four-way valve through pump.

As to further improvement of the utility model, be filled with working medium R22 in the loop described heating.

The advantage of liquid-liquid cold/heat source apparatus of the present utility model is: the part that heats of the refrigeration of evaporimeter, condenser is all finished by two liquid circulation loops, therefore heat pump can be placed indoor; Condenser and evaporimeter are two heat exchangers according to the design of separately characteristics, running also special-purpose and need not to switch; Air conditioning terminal heats, freezes to exchange and switches by the cross valve group, so need not switch condenser and evaporimeter; Liquid line is filled with anti-icing fluid, and the required heat of evaporimeter is supplied with by the low heat energy that anti-icing fluid obtains; The humble heat energy of anti-icing fluid is provided by solar thermal collector, has enlarged the scope of application of solar energy, also uses solar energy to become possibility as thermal source with heat pump.

Below, in conjunction with the accompanying drawings liquid-liquid cold/heat source apparatus of the present utility model is described further:

Fig. 1 is the liquid-liquid cold/heat source apparatus of the present utility model schematic diagram of heating condition in the winter time.

Fig. 2 is the schematic diagram of liquid-liquid cold/heat source apparatus of the present utility model at the cooling condition in summer.

Fig. 1 is the liquid-liquid cold/heat source apparatus of the present utility model schematic diagram of heating condition in the winter time.Liquid-liquid cold/heat source apparatus of the present utility model comprises and heats loop and heat exchange loop, wherein, by compressor 1, condenser 2, liquid reservoir 3, device for drying and filtering 4, flow controller 5, evaporimeter 6 and gas-liquid separator 7 are connected in sequence by pipeline and heat the loop.This heats loop and common air-conditioning, and refrigerator adopts, and to heat (cold) loop identical.In heating the loop, be filled with the working medium R22 that is used to heat circulation.

In heat exchange loop, be provided with two two-position four-way valves, i.e. first two-position four-way valve 8 and second two-position four-way valve 9.Wherein, with condenser 2 mutually the outlet pipe 2a of coupling link to each other with the first interface 8a of first two-position four-way valve 8, its water inlet pipe 2b links to each other with the first interface 9a of second two-position four-way valve 9; The water inlet pipe 102 of air-conditioning links to each other with the second interface 8b of first two-position four-way valve 8, its outlet pipe 103 links to each other through the 4th interface 9d of pump 11 and second two-position four-way valve 9: with evaporimeter 6 mutually the outlet pipe 6a of coupling link to each other with the 3rd interface 8c of first two-position four-way valve 8, its water inlet pipe 6b links to each other with the 3rd interface 9c of second two-position four-way valve 9; The water inlet pipe 12b of solar thermal collector 12 links to each other with the 4th interface 8d of first two-position four-way valve 8, and its outlet pipe 12a links to each other with the second interface 9b of second two-position four-way valve 9 through pump 10.In heat exchange loop, be filled with anti-icing fluid.

It is as follows that liquid-liquid cold/heat source apparatus of the present utility model heats the course of work in the winter time: the anti-icing fluid in the pipeline is heated in solar thermal collector 12 and under the effect of pump 10, sends into and evaporimeter 6 pipeline of coupling mutually through the water inlet pipe 6b of second two-position four-way valve 9.In evaporimeter 6, carry out heat exchange, with heat transferred evaporimeter 6.Low temperature anti-icing fluid after heat exchange is through outlet pipe 6a, and first two-position four-way valve 8 is proceeded circular flow and is back to solar thermal collector 12.Meanwhile, the effect of the working medium R22 in the evaporimeter 6 by evaporimeter 6 is converted into low-temp low-pressure gas and sends into gas-liquid separator 7, is admitted to compressor 1 in gas-liquid separator 7 after gas-liquid separation.Low-pressure low-temperature gas becomes high temperature and high pressure gas and is sent to condenser 2 by compressor 1.In condenser 2, the high temperature and high pressure gas of sending by compressor 1 with condenser 2 mutually the anti-icing fluid sent into of the water inlet pipe 2b of coupling carry out heat exchange, after the heat exchange, heated anti-icing fluid is through outlet pipe 2a, and the water inlet pipe 102 of first two-position four-way valve 8 and air-conditioning flows into air-conditioning and carries out the room temperature heating.Finish the outlet pipe 103 of anti-icing fluid by air-conditioning after the room temperature heating through second pump, 11, the second two-position four-way valves 9, with condenser 2 mutually the water inlet pipe 2b of coupling flow back into condenser 2.

The purpose that two two-position four-way valves mentioned above are set is to make liquid-liquid cold/heat source apparatus of the present utility model to be applicable to the use in two seasons of summer in winter.If only as warming, then described two-position four-way valve can be installed.

Fig. 2 is the schematic diagram of liquid-liquid cold/heat source apparatus of the present utility model at the cooling condition in summer.In the figure, first two-position four-way valve 8 and 9 commutations of second two-position four-way valve.Wherein, first two-position four-way valve 8 is connected and evaporimeter 6 the outlet pipe 6a of coupling and the water inlet pipe 102 of air-conditioning mutually, and connection and condenser 2 the outlet pipe 2a of coupling and the water inlet pipe 12b of solar thermal collector 12 mutually; Simultaneously, second two-position four-way valve 9 is connected and evaporimeter 6 the water inlet pipe 6b of coupling and the outlet pipe 103 of air-conditioning mutually, and connection and condenser 2 the water inlet pipe 2b of coupling and the outlet pipe 12a of solar thermal collector 12 mutually, thereby realization is to the indoor cold air that provides.

Described above only is most preferred embodiment of the present utility model.Should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model thought, also can make various deformation and improvement to it, these distortion and improvement also should be considered as protection domain of the present utility model.

Claims (3)

1, a kind of liquid-liquid cold/heat source apparatus, it comprises by compressor (1), condenser (2), liquid reservoir (3), device for drying and filtering (4), flow controller (5), evaporimeter (6) and gas-liquid separator (7) heat loop and heat exchange loop by what pipeline was connected in sequence, and its feature is at hand: be filled with anti-icing fluid in heat exchange loop.

2, liquid-liquid cold/heat source apparatus according to claim 1, it is characterized in that: with in described heat exchange loop, with described condenser (2) mutually the outlet pipe of coupling (2a) link to each other with first interface (8a) of first two-position four-way valve (8), its water inlet pipe (2b) links to each other with first interface (9a) of second two-position four-way valve (9); The water inlet pipe of air-conditioning (102) links to each other with second interface (8b) of first two-position four-way valve (8), and its outlet pipe (103) links to each other with the 4th interface (9d) of second two-position four-way valve (9) through pump (11); With described evaporimeter (6) mutually the outlet pipe of coupling (6a) link to each other with the 3rd interface (8c) of described first two-position four-way valve (8), its water inlet pipe (6b) links to each other with the 4th interface (9c) of second two-position four-way valve (9); The water inlet pipe (12b) of solar thermal collector (12) links to each other with the 4th interface (8d) of first two-position four-way valve (8), and its outlet pipe (12a) links to each other with second interface (9b) of second two-position four-way valve (9) through pump (10).

3, liquid-liquid cold and heat source apparatus according to claim 2 is characterized in that: be filled with working medium R22 in the loop described heating.

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