CN201503087U

CN201503087U - Novel air conditioner with air source heat pump

Info

Publication number: CN201503087U
Application number: CN2009201040373U
Authority: CN
Inventors: 王全龄
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-07-31
Filing date: 2009-07-31
Publication date: 2010-06-09
Anticipated expiration: 2019-07-31

Abstract

The utility model discloses a novel air conditioner with an air source heat pump, which comprises a heat pump unit consisting of a refrigeration compressor, a second heat exchanger, an expansion valve and a first heat exchanger, and a reversing valve group. The reversing valve group consists of eight valves which are connected and is provided with eight connecting pipes which are respectively connected with a spraying liquid type air heat exchange device, an air conditioning output circuit and the first heat exchanger and the second heat exchanger of the heat pump unit. Compared with the existing air conditioner with an air source heat pump, the novel air conditioner has the advantages of high performance price ratio and energy efficiency ratio and is suitable to be made to be a large air conditioning unit to be applied in a big building.

Description

Novel air source heat pump air conditioner

Technical field

The utility model relates to a kind of novel air source heat pump air conditioner.

Background technology

Present air source heat pump air-conditioner, adopt blower fan and fin serpentine coil tabular form heat exchanger and air heat exchange, this heat exchanger winter absorbs heat in the outside air as evaporimeter, be disposed to indoor heat in outdoor air as condenser summer, realize operation of air conditioner, have characteristics simple in structure, easy for installation, as not need outside heating equipment when heating.But adopt the air source heat pump air-conditioner of above-mentioned surface cooling air heat exchanger and since summer surface cooling air heat exchanger during refrigerating operaton radiating effect poor, have the problem that heating efficiency is low, energy consumption is high; And in the winter time during heating operation because the easily frosting of surface cooling air heat exchanger surface needs defrost continually, therefore exist the defrost operation and will consume the problem that a large amount of heat energy cause thermal waste.In addition, between the surface cooling air heat exchanger of present air source heat pump air-conditioner and refrigeration compressor be connected distance can not be too far away, otherwise the exhaust resistance of compressor increases, operating efficiency descends, therefore the air source heat pump air-conditioner of prior art all adopts surface cooling heat exchanger and refrigeration compressor and refrigeration accessory mutual group to be contained in the interior structure of a housing, integral installation is outdoor, though doing insulation, refrigerant tubing and accessory etc. handle, but there is dissipation of energy inevitably, also can reduces the operating efficiency of air-conditioning.The capacity limit that the four-way change-over valve of the structure that is subjected to the surface cooling heat exchanger and present air source heat pump air-conditioner is arranged again, the air source heat pump air-conditioner of prior art can't be made jumbo large-size air conditioning unit and be applied to heavy construction, the relative cost of present in addition table cold heat exchanger formula air source heat pump air-conditioner is higher, therefore is difficult to promote the use of as the air-conditioning system of heavy construction.

Summary of the invention

The purpose of this utility model is at the problems referred to above, a kind of cost performance and Energy Efficiency Ratio height is provided, is fit to manufacture the novel air source heat pump air conditioner that the large-size air conditioning unit is applied to heavy construction.

The technical scheme that realizes above-mentioned purpose is: a kind of novel air source heat pump air conditioner, it includes by connecting refrigeration compressor successively, second heat exchanger, source pump and change-over valve group that the expansion valve and first heat exchanger are formed, described change-over valve group has a valve that is connected into the loop, No. five valves, No. six valves, No. two valves and be connected into No. three valves in loop, No. seven valves, No. eight valves, No. four valves, between valve of this change-over valve group and No. two valves, between No. three valves and No. four valves, between No. five valves and No. six valves, between No. seven valves and No. eight valves, between No. four valves and No. eight valves, between No. two valves and No. six valves, between valve and No. five valves, lead to valve sets a respectively between No. three valves and No. seven valves, b, c, d, e, f, g, the h tube connector, through valve sets a, the b tube connector is connected with spray liquid formula air heat-exchanging device, through valve sets c, the d tube connector connects air-conditioning output circulating pump and fan coil constitutes the air-conditioning output loop, through valve sets e, the once end that the f tube connector connects source pump first heat exchanger constitutes heat pump input heat-exchanging loop, through valve sets g, the secondary terminals that the h tube connector connects source pump second heat exchanger constitutes heat pump output heat-exchanging loop; Establish the spray flow container of spray head in described spray liquid formula air heat-exchanging device has and place the anti-icing fluid storage tank that sprays the flow container below, valve sets b tube connector is connected with spray head, valve sets a tube connector connects spray circulating pump 19 and passes through the anti-icing fluid circulation valve respectively, the clear water circulation valve connects the anti-icing fluid storage tank, the spray flow container, upper end in the spray flow container is equipped with blower fan, be provided with air inlet and the additional valve of clear water in the bottom of spray flow container, below the spray flow container, be provided with clear water vent valves and the spray liquid discharge valve that is communicated to the anti-icing fluid storage tank, be provided with anti-icing fluid on the top of anti-icing fluid storage tank and mend into valve.

The technical solution of the utility model also comprises: be provided with coil heat exchanger in the spray flow container below spray head, this coil heat exchanger disposes coil pipe circulating pump and is connected with valve sets a, the b tube connector of change-over valve group, constitutes coil pipe spray heat exchange closed circuit; Matching with the anti-icing fluid storage tank is equipped with the anti-icing fluid raw material storage tank, and this anti-icing fluid raw material storage tank is connected formation anti-icing fluid concentration proportioning system with the anti-icing fluid storage tank through the pipeline of assembling anti-icing fluid proportioning circulating pump and the pipeline of assembling anti-icing fluid proportioning by-pass valve control.

The utility model has solved existing air source heat pump air-conditioner in refrigerating operaton time table cold air heat exchanger radiating effect difference and need the problem of defrost in the winter time during heating operation in summer, the refrigeration of air source heat pump air-conditioner and heating operation efficient improve greatly, energy consumption reduces greatly thereby make, make simultaneously air heat-exchanging device and refrigeration compressor and refrigeration accessory be convenient to partial installation again, it is outdoor to be that air heat-exchanging device is installed in, units such as refrigeration compressor are installed in indoor, to make things convenient for the energy dissipation in unit installation and the minimizing unit running process.

The utility model adopts spray liquid formula air heat-exchanging device to replace the surface cooling air heat exchanger and replaces four-way change-over valve by eight valve-type change-over valve groups, be convenient to air source heat pump air-conditioner is manufactured big capacity unit, satisfy the instructions for use of heavy construction the large-scale air source heat pump air-conditioner.

The present relatively table cold heat exchanger formula air source heat pump air-conditioner of the utility model also has the lower advantage of cost.

Description of drawings

Fig. 1 is this novel air source heat pump air conditioner structural representation;

Fig. 2 is the another example structure schematic diagram of this novel air source heat pump air conditioner.

The specific embodiment

In conjunction with the accompanying drawings the specific embodiment of the present utility model is described.

As accompanying drawing 1, this novel air source heat pump air conditioner includes by refrigerant line and connects refrigeration compressor 1 successively, second heat exchanger 5, source pump and change-over valve group 2 that the expansion valve 4 and first heat exchanger 3 are formed, its change-over valve group 2 has a valve 21 that is connected into the loop, No. five valves 25, No. six valves 26, No. two valves 22 and be connected into No. three valves 23 in loop, No. seven valves 27, No. eight valves 28, No. four valves 24, between valve 21 of change-over valve group 2 and No. two valves 22, between No. three valves 23 and No. four valves 24, between No. five valves 25 and No. six valves 26, between No. seven valves 27 and No. eight valves 28, between No. four valves 24 and No. eight valves 28, between No. two valves 22 and No. six valves 26, between valve 21 and No. five valves 25, lead to valve sets a respectively between No. three valves 23 and No. seven valves 27, b, c, d, e, f, g, the h tube connector, valve sets a, the b tube connector connects spray liquid formula air heat-exchanging device 8, valve sets c, the d tube connector connects air-conditioning output circulating pump 7 and fan coil 6 constitutes the air-conditioning output loop, valve sets e, the once end that the f tube connector connects source pump first heat exchanger 3 constitutes heat pump input heat-exchanging loop, valve sets g, the secondary terminals that the h tube connector connects source pump second heat exchanger constitutes heat pump output heat-exchanging loop; Establish the spray flow container 9 of spray head 12 in described spray liquid formula air heat-exchanging device 8 has and place the anti-icing fluid storage tank 13 that sprays flow container 9 belows, the b tube connector of valve sets is connected with spray head 12, the a tube connector of valve sets connects spray circulating pump 19 and passes through anti-icing fluid circulation valve 17 respectively, clear water circulation valve 18 connects anti-icing fluid storage tank 13, spray flow container 9, in spray flow container 9, blower fan 10 is installed in upper end position, be provided with air inlet 11 and the additional valve 20 of clear water in the bottom of spray flow container 9, below spray flow container 9, be provided with clear water vent valves 15 and the spray liquid discharge valve 16 that is communicated to anti-icing fluid storage tank 13, be provided with anti-icing fluid on the top of anti-icing fluid storage tank 13 and mend into valve 14.

As accompanying drawing 2, the utility model is provided with coil heat exchanger 29 below spray head 12 in spray flow container 9, this coil heat exchanger 29 disposes coil pipe circulating pumps 30 and is connected with valve sets a, the b tube connector of change-over valve group 2, constitutes coil pipe spray heat exchange closed circuit.Match with anti-icing fluid storage tank 13 and to be equipped with anti-icing fluid raw material storage tank 31, this anti-icing fluid raw material storage tank 31 is connected through the pipeline of assembling anti-icing fluid proportioning circulating pump 32 and the pipeline of assembling anti-icing fluid proportioning by-pass valve control 33 with anti-icing fluid storage tank 13, constitutes anti-icing fluid concentration proportioning system.

Anti-icing fluid of the present utility model can adopt saline solution or ethylene glycol solution, when adopting saline solution, spray liquid circulating pump 19 can two in parallel, and assemble on-off valve respectively, one of them conventional pump is used for the circulation of clear water spray, and another adopts corrosion protection pump to be used for the saline solution spray and recycles.

Claims

1. novel air source heat pump air conditioner, it includes by connecting refrigeration compressor (1) successively, second heat exchanger (5), source pump and change-over valve group (2) that expansion valve (4) and first heat exchanger (3) are formed, it is characterized in that: described change-over valve group (2) has a valve (21) that is connected into the loop, No. five valves (25), No. six valves (26), No. two valves (22) and be connected into No. three valves (23) in loop, No. seven valves (27), No. eight valves (28), No. four valves (24), between valve of change-over valve group (2) and No. two valves, between No. three valves and No. four valves, between No. five valves and No. six valves, between No. seven valves and No. eight valves, between No. four valves and No. eight valves, between No. two valves and No. six valves, between valve and No. five valves, lead to valve sets a respectively between No. three valves and No. seven valves, b, c, d, e, f, g, the h tube connector, through valve sets a, the b tube connector is connected with spray liquid formula air heat-exchanging device (8), through valve sets c, the d tube connector connects air-conditioning output circulating pump (7) and fan coil (6) constitutes the air-conditioning output loop, through valve sets e, the once end that the f tube connector connects source pump first heat exchanger (3) constitutes heat pump input heat-exchanging loop, valve sets g, the secondary terminals that the h tube connector connects source pump second heat exchanger constitutes heat pump output heat-exchanging loop; Establish the spray flow container (9) of spray head (12) in described spray liquid formula air heat-exchanging device (8) has and place the anti-icing fluid storage tank (13) that sprays flow container (9) below, valve sets b tube connector is connected with spray head (12), valve sets a tube connector connects spray circulating pump 19 and passes through anti-icing fluid circulation valve (17) respectively, clear water circulation valve (18) connects anti-icing fluid storage tank (13), spray flow container (9), upper end in spray flow container (9) is equipped with blower fan (10), be provided with the additional valve (20) of air inlet (11) and clear water in the bottom of spray flow container (9), below spray flow container (9), be provided with clear water vent valves (15) and be communicated to the spray liquid discharge valve (16) of anti-icing fluid storage tank (13), be provided with anti-icing fluid on the top of anti-icing fluid storage tank (13) and mend into valve (14).

2. novel air source heat pump air conditioner according to claim 1, it is characterized in that: in spray flow container (9), be provided with coil heat exchanger (29) in the below of spray head (12), this coil heat exchanger (29) disposes coil pipe circulating pump (30) and is connected with valve sets a, the b tube connector of change-over valve group (2), constitutes coil pipe spray heat exchange closed circuit.

3. novel air source heat pump air conditioner according to claim 1 and 2, it is characterized in that: matching with anti-icing fluid storage tank (13) is equipped with anti-icing fluid raw material storage tank (31), this anti-icing fluid raw material storage tank (31) is connected through the pipeline of assembling anti-icing fluid proportioning circulating pump (32) and the pipeline of assembling anti-icing fluid proportioning by-pass valve control (33) with anti-icing fluid storage tank (13), constitutes anti-icing fluid concentration proportioning system.