CN216592298U - Constant temperature screw heat pump unit - Google Patents

Abstract

The utility model relates to the technical field of blocking cover positioning, and discloses a constant temperature screw heat pump unit, comprising a bracket, a control box is installed on the rear side of the bracket, a fan is evenly installed on the upper part of the bracket, and a fan is installed on the upper part of the bracket. A condenser, a refrigerant circuit is arranged inside the condenser, an evaporator, a compressor, a gas-liquid separator and an oil separator are installed inside the bracket, and a compressor return gas header is arranged at the bottom of the compressor , the compressor is connected with the oil separator through the compressor return air header, the rear side of the oil separator is provided with an air supply pipe, the other end of the air supply pipe is communicated with the refrigerant circuit, the oil There is an oil return pipe on the right side of the separator. This new solution can effectively cool the external hot air. The unit can be installed outdoors without the need for a machine room and additional equipment, saving money and environmental protection, reducing wind resistance and reducing the power of the fan. Compared with ordinary aluminum fins, it can improve the heat exchange efficiency and effectively prolong the service life.

Description

Constant temperature screw heat pump unit

technical field

The utility model belongs to the technical field of plugging and positioning, in particular to a constant temperature screw heat pump unit.

Background technique

Heat pump, also known as cooler, is a high-efficiency heating device based on the second law of thermodynamics, which can transfer energy from low temperature (low temperature thermal storage) to high temperature (high temperature thermal storage), which can provide energy to high temperature The sum is greater than the energy required for its own operation, and the extra heat is obtained from the lower temperature under the action of the operating energy.

When the constant temperature screw heat pump unit is manufactured and installed, because the traditional constant temperature screw heat pump unit occupies a large area, the production cost is high, and the heat energy conversion rate is low, so the heat energy conversion cannot be effectively carried out, and the installation work cannot be carried out effectively. , we propose a constant temperature screw heat pump unit.

Utility model content

In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a constant temperature screw heat pump unit, which effectively solves the problem that the traditional constant temperature screw heat pump unit occupies a large area, has a high production cost, and has a low thermal energy conversion rate. Effectively carry out thermal energy conversion, but cannot effectively carry out installation work.

In order to achieve the above purpose, the utility model provides the following technical solutions: a constant temperature screw heat pump unit, including a bracket, a control box is installed on the rear side of the bracket, a fan is evenly installed on the upper part of the bracket, and a fan is installed on the upper part of the bracket. A condenser, a refrigerant circuit is arranged inside the condenser, an evaporator, a compressor, a gas-liquid separator and an oil separator are installed inside the bracket, and a compressor return gas header is arranged at the bottom of the compressor , the compressor is connected with the oil separator through the compressor return air header, the rear side of the oil separator is provided with an air supply pipe, the other end of the air supply pipe is communicated with the refrigerant circuit, the oil The right side of the separator is provided with an oil return pipe, the other end of the oil return pipe is connected with the compressor, the left side of the evaporator is provided with an exhaust pipe and a return air header, and the evaporator passes through the The exhaust pipe is connected with the compressor, the evaporator is connected with the gas-liquid separator through a return gas header, and the bottom of the refrigerant circuit is connected with the upper part of the gas-liquid separator.

Preferably, the upper part of the bracket is provided with a V-shaped frame, the condenser is installed on the upper part of the V-shaped frame, and the shape of the condenser is arranged in an inverted "M" shape.

Preferably, in the condenser, the fins are made of hydrophilic and corrosion-resistant aluminum fins.

Preferably, a support seat is provided on the left side of the bracket, and the oil separator is installed on the upper part of the support seat.

Preferably, a general control electrical cabinet is arranged inside the bracket, and warning signs are arranged on the front sides of the control box and the general control electrical cabinet.

Preferably, flange connection pipes are provided on the front side of the evaporator, and the flange connection pipes are divided into a water inlet pipe and a water outlet pipe.

Compared with the prior art, the beneficial effects of the present utility model are:

1. By setting the compressor return pipe and oil separator, when the compressor is returning air, the oil separator will separate the lubricating oil in the return gas of the compressor, and the separated lubricating oil will pass through the oil return pipe. It is transported to the inside of the compressor. By setting up multiple sets of fans, the opening number of the fans can be controlled by the change of pressure, so as to adjust the air volume. The device can effectively cool the external hot air, and the unit can carry out Outdoor installation, no need for computer room and additional equipment, saving money and environmental protection;

2. Through the inverted "M"-shaped condenser, the gas can be condensed better, the heat exchange efficiency of the condenser can be improved, and the auxiliary condenser can work better. The hydrophilic and corrosion-resistant aluminum fins not only eliminate the The water blockage between the fins is reduced, the wind resistance is reduced, and the power consumption of the fan is reduced, and the heat exchange efficiency can be improved compared with ordinary aluminum fins, effectively prolonging the service life;

3. By setting the water inlet pipe and the water outlet pipe, the coolant can be better transported inside the box evaporator, so that the coolant can be circulated better, and through the setting of the flange connection pipe, the connection can be better. Pipe for fixing.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention.

In the attached image:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the oil separator of the utility model;

3 is a schematic structural diagram of the compressor of the present invention;

Figure 4 is a schematic diagram of the structure of the fan of the present invention.

In the figure: 10, bracket; 11, control box; 12, fan; 13, condenser; 14, refrigerant circuit; 15, evaporator; 16, compressor; 17, gas-liquid separator; 18, oil separator; 19 , compressor return gas header; 20, gas supply pipe; 21, oil return pipe; 22, exhaust pipe; 23, return gas header.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. For example; based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

Embodiment 1, as shown in Figure 1, Figure 2, Figure 3 and Figure 4, the constant temperature screw heat pump unit includes a bracket 10, a control box 11 is installed on the rear side of the bracket 10, and a fan 12 is evenly installed on the upper part of the bracket 10, A condenser 13 is installed on the upper part of the bracket 10, and a refrigerant circuit 14 is arranged inside the condenser 13. By operating the compressor 16, the external hot air is sucked and compressed, and the compressed air is transported to the evaporator 15 through the exhaust pipe 22. Inside, the gas is evaporatively cooled by the evaporator 15, and the cooled gas will be transported to the inside of the gas-liquid separator 17 through the return gas header 23, and the gas will be separated from the gas-liquid by the gas-liquid separator 17. The gas will be transported to the inside of the condenser 13 through the refrigerant circuit 14, and the gas will be condensed and evaporated by the condenser 13, and the compressor return header 19 and the oil separator 18 are provided, so that when the compressor 16 returns gas, The oil separator 18 will separate the lubricating oil in the return gas of the compressor 16. The gas supply pipe 20 is provided to discharge the gas separated by the oil separator 18, and the separated lubricating oil will pass through the oil return pipe. 21 is transported to the inside of the compressor 16. By setting up multiple sets of fans 12, the opening number of the fans 12 can be controlled by the change of pressure, so as to adjust the air volume. The device can effectively cool the external hot air. , the unit can be installed outdoors, without the need for a machine room and additional equipment, saving money and environmental protection.

1-4, the upper part of the bracket 10 is provided with a V-shaped frame, the condenser 13 is installed on the upper part of the V-shaped frame, and the shape of the condenser 13 is arranged in an inverted "M" shape, and the condenser 13 makes the fins to be The hydrophilic and corrosion-resistant aluminum fins can better condense the gas through the condenser 13 arranged in an inverted "M" shape, improve the heat exchange efficiency of the condenser 13, and the auxiliary condenser 13 can work better. The hydrophilic and corrosion-resistant aluminum fins not only eliminate the water blockage between the fins, reduce the wind resistance, and reduce the power consumption of the fan 12, but also improve the heat exchange efficiency and effectively prolong the service life compared with ordinary aluminum fins.

Please refer to Fig. 1-4, a support seat is provided on the left side of the bracket 10, the oil separator 18 is installed on the upper part of the support seat, and the oil separator 18 can be supported by the support seat, and the auxiliary oil separator 18 is more Good work, the inside of the bracket 10 is provided with a general control electrical cabinet, and the control box 11 and the front side of the general control electrical cabinet are provided with warning signs. , to better connect and install the ground wire. By setting up warning signs, people can be warned, and non-professionals are prohibited from operating. The front side of the evaporator 15 is provided with flange connection pipes. The pipe is divided into a water inlet pipe and a water outlet pipe. By setting the water inlet pipe and the water outlet pipe, the coolant can be better transported inside the evaporator 15, so that the coolant can be circulated better, and the pipes are connected through the flange. The setting makes it better to fix the connecting pipe.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The constant temperature screw heat pump unit is characterized in that: it comprises a bracket (10), a control box (11) is installed on the rear side of the bracket (10), and a fan (12) is evenly installed on the upper part of the bracket (10) A condenser (13) is installed on the upper part of the bracket (10), a refrigerant circuit (14) is arranged inside the condenser (13), and an evaporator (15), A compressor (16), a gas-liquid separator (17) and an oil separator (18), the compressor (16) is provided with a compressor return gas header (19) at the bottom, and the compressor (16) passes through The compressor return air header (19) is connected with the oil separator (18), the rear side of the oil separator (18) is provided with an air supply pipe (20), and the other end of the air supply pipe (20) is connected to the oil separator (18). The refrigerant circuit (14) is communicated with each other, an oil return pipe (21) is provided on the right side of the oil separator (18), and the other end of the oil return pipe (21) is connected with the compressor (16), so An exhaust pipe (22) and a return air header (23) are arranged on the left side of the evaporator (15), and the evaporator (15) communicates with the compressor (16) through the exhaust pipe (22) The evaporator (15) is connected with the gas-liquid separator (17) through the return gas header (23), and the bottom of the refrigerant circuit (14) is connected with the gas-liquid separator ((17) ) are connected to the upper part. 2. The constant temperature screw heat pump unit according to claim 1, characterized in that: the upper part of the support (10) is provided with a V-shaped frame, the condenser (13) is installed on the upper part of the V-shaped frame, and the The shape of the condenser (13) is arranged in an inverted "M" shape. 3 . The constant temperature screw heat pump unit according to claim 2 , wherein the condenser ( 13 ) makes the fins made of hydrophilic and corrosion-resistant aluminum fins. 4 . 4. The constant temperature screw heat pump unit according to claim 1, characterized in that: a support seat is provided on the left side of the bracket (10), and the oil separator (18) is installed on the upper part of the support seat. 5. The constant temperature screw heat pump unit according to claim 1, characterized in that: a general control electrical cabinet is arranged inside the bracket (10), and the control box (11) is connected to the front side of the general control electrical cabinet. There are warning signs. 6. The constant temperature screw heat pump unit according to claim 1, characterized in that: the front side of the evaporator (15) is provided with a flange connection pipe, and the flange connection pipe is divided into a water inlet pipe and a water outlet pipe.

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