CN210892219U

CN210892219U - Cold and hot water switching box type unit based on shell coil type heat exchanger

Info

Publication number: CN210892219U
Application number: CN201921547230.4U
Authority: CN
Inventors: 程江杰; 陈卫富; 王宇霞; 应金磊
Original assignee: Zhejiang Sinoking Air Conditioning & Refrigeration Co ltd
Current assignee: Zhejiang Sinoking Air Conditioning & Refrigeration Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-06-30
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a hot and cold water switches box unit based on shell coil heat exchanger, the condenser, the evaporimeter is shell coil heat exchanger, compressor A, compressor B is respectively through blast pipe assembly A, the A1 of blast pipe assembly B and condenser, A2 mouth links to each other, the B1 of condenser, B2 mouth is respectively through dry filter A, dry filter B and throttling arrangement A, throttling arrangement B import links to each other, throttling arrangement A, the export of throttling arrangement B respectively with the C1 of evaporimeter, C2 mouth links to each other, last evaporator's D1, D2 mouth is respectively through breathing pipe assembly A, breathing pipe assembly B and compressor A, compressor B's induction port links to each other. The evaporator and the condenser of the utility model adopt the shell coil type heat exchanger, thus greatly reducing the space occupied by the whole refrigeration cycle; the outer shell adopts a box-type metal plate outer frame, and has good waterproof, antirust and anticorrosion designs; the unit can refrigerate in summer and heat in winter.

Description

Cold and hot water switching box type unit based on shell coil type heat exchanger

Technical Field

The utility model relates to a field of box unit is switched to hot and cold water, concretely relates to box unit is switched to hot and cold water based on shell coil heat exchanger.

Background

Along with the steady improvement of the urbanization level and quality of society, various high-rise buildings and large buildings stand in the city, and the land price rises. Air conditioners are an indispensable part of various buildings, and the transportation and installation of the air conditioners are very high cost for the high-rise buildings. Therefore, the air conditioning unit has compact structure, convenient carrying and high efficiency and energy saving and is more and more favored by the big cities. The existing air conditioning unit system is large in size, inconvenient to carry and transport, poor in corrosion resistance and incapable of achieving long-life use outdoors, and the overall use and maintenance cost is too high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of prior art existence, and provide a hot and cold water switches box unit based on shell coil heat exchanger.

The purpose of the utility model is accomplished through following technical scheme: the cold and hot water switching box type unit based on the shell-and-coil heat exchanger mainly comprises a compressor A, a compressor B, an exhaust pipe assembly A, an exhaust pipe assembly B, a condenser, an evaporator, a drying filter A, a drying filter B, a throttling device A, a throttling device B, an air suction pipe assembly A and an air suction pipe assembly B, wherein the condenser and the evaporator are both shell-and-coil heat exchangers, the compressor A and the compressor B are respectively connected with ports A1 and A2 of the condenser through the exhaust pipe assembly A and the exhaust pipe assembly B, ports B1 and B2 of the condenser are respectively connected with inlets of the throttling device A and the throttling device B through the drying filter A and the drying filter B, outlets of the throttling device A and the throttling device B are respectively connected with ports C1 and C2 of the evaporator, and ports D1 and D2 of the last evaporator are respectively connected with ports C1 and C2 of the air suction pipe, The suction ports of the compressors B are connected to form a complete refrigerant vapor compression cycle refrigeration system.

And DT temperature protection devices are arranged on the exhaust pipe component A and the exhaust pipe component B.

The compressor A and the compressor B are scroll compressors.

The throttling device A and the throttling device B are electronic expansion valves.

The box type unit is externally protected by a waterproof sheet metal shell.

The utility model has the advantages that: the evaporator and the condenser of the utility model adopt the shell coil type heat exchanger to replace the traditional shell and tube type heat exchanger, thereby greatly reducing the space occupied by the whole refrigeration cycle and improving the land utilization rate; the outer shell adopts a box-type metal plate outer frame, and has good waterproof, antirust and anticorrosive designs, so that the unit can be placed in the open air for installation and use without a professional machine room, the installation is convenient, and the installation and maintenance cost of customers is effectively reduced; the elevator is small and exquisite in appearance design, so that the elevator can be carried by using the elevator in a building in projects such as rectification, modification and installation of a high building, the carrying can be finished by using a trolley or a forklift, professional hoisting equipment is not needed, and the carrying cost of a unit is effectively reduced; the unit can refrigerate in summer and heat in winter, is convenient to switch, has a good heat transfer effect and prevents freezing, and can well replace the traditional shell-tube type vortex water source heat pump unit.

Drawings

Fig. 1 is a schematic diagram of the system of the present invention.

Fig. 2 is a side view of the waterproof sheet metal shell of the present invention.

Fig. 3 is the utility model discloses a waterproof formula sheet metal housing rear view.

Description of reference numerals: the air conditioner comprises a compressor A1, a compressor B11, an exhaust pipe assembly A2, an exhaust pipe assembly B21, a condenser 3, an evaporator 4, a drying filter A5, a drying filter B51, a throttling device A6, a throttling device B61, an air suction pipe assembly A7, an air suction pipe assembly B71 and a waterproof sheet metal shell 8.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings:

example (b): as shown in the accompanying drawings, the cold and hot water switching box type unit based on the shell-and-coil heat exchanger mainly comprises a compressor a1, a compressor B11, an exhaust pipe assembly a2, an exhaust pipe assembly B21, a condenser 3, an evaporator 4, a drying filter a5, a drying filter B51, a throttling device a6, a throttling device B61, an air suction pipe assembly a7, an air suction pipe assembly B71, wherein the compressor a1 and the compressor B11 are scroll compressors. The compressor A1 and the compressor B11 are respectively connected with the A1 and A2 ports of the condenser 3 through an exhaust pipe assembly A2 and an exhaust pipe assembly B21, and DT temperature protection is respectively arranged on the exhaust pipe assembly A2 and the exhaust pipe assembly B21. Ports B1 and B2 of condenser 3 are connected to inlets of throttle device a6 and throttle device B61 through dry filter a5 and dry filter B51, respectively, and throttle device 6 is an electronic expansion valve. The outlets of the throttling device A6 and the throttling device B61 are respectively connected with the ports C1 and C2 of the evaporator 4, and the ports D1 and D2 of the last evaporator 4 are respectively connected with the suction ports of the suction pipe assembly A7, the suction pipe assembly B71, the compressor A1 and the compressor B11, so that a complete refrigerant vapor compression cycle refrigerating system is formed. The condenser 3 and the evaporator 4 are both shell-and-coil heat exchangers. The functions of cooling and heating can be realized through the switching of the water side. The space occupied by the whole refrigeration cycle is greatly reduced.

The outside of the box-type unit is protected by a waterproof sheet metal shell 8. The waterproof sheet metal shell 8 has good waterproof and antirust technologies, so that the unit can be placed on an open air balcony for use, a special machine room does not need to be prepared, and the consumption of land resources is saved. The whole machine size of the machine set in the embodiment is 1150 length 650 width 1150 height, is small and exquisite, and meets the transportation requirements of class II, class III and class IV elevators.

It should be understood that equivalent substitutions or changes to the technical solution and the inventive concept of the present invention should be considered to fall within the scope of the appended claims for the skilled person.

Claims

1. The utility model provides a box unit is switched to hot and cold water based on shell coil heat exchanger which characterized in that: the condenser mainly comprises a compressor A (1), a compressor B (11), an exhaust pipe assembly A (2), an exhaust pipe assembly B (21), a condenser (3), an evaporator (4), a drying filter A (5), a drying filter B (51), a throttling device A (6), a throttling device B (61), an air suction pipe assembly A (7) and an air suction pipe assembly B (71), wherein the condenser (3) and the evaporator (4) are shell-coil heat exchangers, the compressor A (1) and the compressor B (11) are respectively connected with inlets A1 and A2 of the condenser (3) through the exhaust pipe assembly A (2), the exhaust pipe assembly B (21) and the exhaust pipe assembly A1, B1 and B2 of the condenser (3) are respectively connected with inlets of the throttling device A (6) and the throttling device B (61) through the drying filter A (5) and the drying filter B (51), and outlets of the throttling device A (6) and the throttling device B (61) are respectively connected with inlets C1, C1, The C2 ports are connected, and the D1 and D2 ports of the evaporator (4) are respectively connected with the suction ports of the compressor A (1) and the compressor B (11) through the suction pipe component A (7) and the suction pipe component B (71), so that a complete refrigerant vapor compression cycle refrigerating system is formed.

2. The hot and cold water switching box type unit based on the shell and coil type heat exchanger as claimed in claim 1, wherein: DT temperature protection devices are arranged on the exhaust pipe assembly A (2) and the exhaust pipe assembly B (21).

3. The hot and cold water switching box type unit based on the shell and coil type heat exchanger as claimed in claim 1, wherein: the compressor A (1) and the compressor B (11) are scroll compressors.

4. The hot and cold water switching box type unit based on the shell and coil type heat exchanger as claimed in claim 1, wherein: the throttling device A (6) and the throttling device B (61) are electronic expansion valves.

5. The hot and cold water switching box type unit based on the shell and coil type heat exchanger as claimed in claim 1, wherein: and a waterproof sheet metal shell (8) is arranged outside the box-type unit.