Energy-saving refrigeration device for heating and ventilation engineering

Abstract

The utility model relates to the technical field of refrigerating devices, and discloses an energy-saving refrigerating device for heating and ventilation engineering, which comprises a case, a compressor, a condenser, an evaporator, a liquid storage tank, a filter and an expansion valve, and the compressor, the condenser, the evaporator, the liquid storage tank, the filter and the expansion valve are respectively and fixedly connected in the case. The compressor, the condenser, the evaporator, the liquid storage tank, the filter and the expansion valve are arranged in a communicating mode, a heat insulation plate is fixedly connected to the inner wall, located on one side of the condenser, of the machine box, and a double-shaft motor is fixedly connected to the interior of the machine box. The rotating shaft drives the sector gear to rotate while rotating, the sector gear is meshed with the teeth to drive the movable frame to move, the connecting plate can be driven to move, the movable plate swings along the fixed rod through the strip-shaped opening, airflow can be generated to discharge heat, heat accumulation is prevented, and the heat insulation plate can block heat.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigeration devices, in particular to an energy-saving refrigeration device for heating and ventilation engineering. Background Art

[0002] A refrigeration device is a device or system used to lower the temperature of an object or space in order to achieve the purpose of cooling. Refrigeration devices are mainly used to maintain or lower the temperature of a specific environment to meet the needs, such as refrigeration, freezing, air conditioning, etc. They usually achieve cooling effects through the process of absorbing, transferring and discharging heat.

[0003] During the use of the refrigeration device, the heat dissipation end of the refrigeration device away from the cooling end continuously dissipates heat. If the dissipated heat cannot be promptly conducted away and isolated, the heat will accumulate inside the device and come into contact with the cooling end for heat exchange, which will consume the cooling effect of the refrigeration device, affecting not only the cooling efficiency but also causing energy waste. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that if the dissipated heat cannot be promptly conducted out and isolated, if the heat is accumulated inside the device and contacts with the refrigeration end for heat exchange, the refrigeration effect of the refrigeration device will be consumed, which will not only affect the refrigeration efficiency but also cause energy waste. An energy-saving refrigeration device for HVAC engineering is proposed to solve the problem that

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An energy-saving refrigeration device for HVAC engineering comprises a chassis, a compressor, a condenser, an evaporator, a liquid storage tank, a filter and an expansion valve, wherein the compressor, condenser, evaporator, liquid storage tank, filter and expansion valve are respectively fixedly connected to the inside of the chassis, and the compressor, condenser, evaporator, liquid storage tank, filter and expansion valve are connected to each other, an inner wall of the chassis on one side of the condenser is fixedly connected to a heat insulation board, a dual-axis motor is fixedly connected to the inside of the chassis, one end of the dual-axis motor is fixedly connected to a fan blade, the other end of the dual-axis motor is connected to a rotating shaft, and the end of the rotating shaft facing away from the dual-axis motor is rotatably connected to the inside of the heat insulation board.

[0007] Preferably, openings are respectively formed on the inner walls on both sides of the chassis, and a plurality of heat dissipation fins are fixedly connected to the inner walls of the chassis located at the openings.

[0008] Preferably, one end of the rotating shaft away from the dual-axis motor passes through the heat insulation plate and is fixedly connected to a fan-shaped gear, a movable frame is sleeved on the outer side of the fan-shaped gear, a plurality of teeth are fixedly connected to the inside of the movable frame, and the fan-shaped gear and the teeth are meshed with each other.

[0009] Preferably, the two ends of the movable frame are respectively fixedly connected with connecting plates, the side walls of the connecting plates are hingedly provided with movable plates, the inner wall of the movable plate is provided with a strip opening, the inner wall of the strip opening is slidably provided with a fixing rod, the fixing rod is fixedly connected to the inner wall of the chassis, the side walls of the connecting plate are fixedly connected with trapezoidal blocks, the inner wall of the heat insulation board is provided with a trapezoidal slide groove, and the trapezoidal block is slidably arranged on the inner wall of the trapezoidal slide groove.

[0010] Preferably, a connection frame is provided on the inner wall of the chassis at one side of the evaporator, and a dust filter is fixedly connected to the interior of the connection frame.

[0011] Preferably, a cavity is provided on the inner wall of the connecting frame, a spring is fixedly connected to the inside of the cavity, an insert block is fixedly connected to the end of the spring, a slot is provided on the inner wall of the chassis, the insert block is plugged into the inside of the slot, a lever is fixedly connected to the side wall of the insert block, and the lever extends to the outside of the connecting frame.

[0012] Compared with the prior art, the utility model provides an energy-saving refrigeration device for HVAC engineering, which has the following beneficial effects:

[0013] 1. The energy-saving refrigeration device used in the HVAC project drives the sector gear to rotate while the shaft rotates, and drives the movable frame to move by meshing with the teeth, which can drive the connecting plate to move, so that the movable plate swings along the fixed rod through the strip opening, which can generate airflow to discharge heat and prevent heat accumulation. The insulation board can block the heat.

[0014] 2. The energy-saving refrigeration device used in the HVAC project can prevent dust from accumulating on the surface of the evaporator through the connection frame and the dust filter to prevent the subsequent heat exchange from being affected. The spring can push the plug to extend into the inside of the slot to ensure the stability of the movement of the connection frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of an energy-saving refrigeration device for HVAC engineering proposed by the utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of the structure of the local A part;

[0017] Figure 3 for Figure 1 A schematic diagram of the structure of the partial B in the middle is enlarged;

[0018] Figure 4 for Figure 1 Structural side view of the movable frame in the middle.

[0019] In the figure: 1 chassis, 2 compressor, 3 condenser, 4 evaporator, 5 liquid storage tank, 6 filter, 7 expansion valve, 8 heat sink fins, 9 insulation board, 10 dual-axis motor, 11 fan blades, 12 shaft, 13 sector gear, 14 movable frame, 15 teeth, 16 connecting plate, 17 movable arm, 18 fixed rod, 19 trapezoidal block, 20 connecting frame, 21 dust filter, 22 spring, 23 plug block, 24 lever. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-4 , an energy-saving refrigeration device for HVAC engineering, comprising a chassis 1, a compressor 2, a condenser 3, an evaporator 4, a liquid storage tank 5, a filter 6 and an expansion valve 7, the compressor 2, the condenser 3, the evaporator 4, the liquid storage tank 5, the filter 6 and the expansion valve 7 are respectively fixedly connected to the inside of the chassis 1, and the compressor 2, the condenser 3, the evaporator 4, the liquid storage tank 5, the filter 6 and the expansion valve 7 are connected and arranged in communication, the inner wall of the chassis 1 on one side of the condenser 3 is fixedly connected with a heat insulation board 9, the inside of the chassis 1 is fixedly connected with a dual-axis motor 10, one end of the dual-axis motor 10 is fixedly connected with a fan blade 11, the other end of the dual-axis motor 10 is connected with a rotating shaft 12, and the end of the rotating shaft 12 away from the dual-axis motor 10 is rotatably connected to the inside of the heat insulation board 9, the inner walls on both sides of the chassis 1 are respectively provided with openings, and the inner wall of the chassis 1 located at the opening is fixedly connected with a plurality of heat dissipation fins 8.

[0022] One end of the rotating shaft 12 away from the dual-axis motor 10 passes through the insulation board 9 and is fixedly connected to a sector gear 13. A movable frame 14 is sleeved on the outer side of the sector gear 13. A plurality of teeth 15 are fixedly connected to the inside of the movable frame 14. The sector gear 13 and the teeth 15 are meshed with each other. The two ends of the movable frame 14 are respectively fixedly connected to connecting plates 16. A movable plate 17 is hingedly provided on the side wall of the connecting plate 16. A strip opening is provided on the inner wall of the strip opening. A fixing rod 18 is slidably provided on the inner wall of the strip opening. The fixing rod 18 is fixedly connected to the inner wall of the chassis 1. A trapezoidal block 19 is fixedly connected to the side wall of the connecting plate 16. A trapezoidal slide groove is provided on the inner wall of the insulation board 9. The trapezoidal block 19 is slidably provided on the inner wall of the trapezoidal slide groove.

[0023] When in use, the refrigeration effect of the refrigeration device can be ensured by the compressor 2, condenser 3, evaporator 4, liquid storage tank 5, filter 6 and expansion valve 7. At the same time, the rotation of the output shaft of the dual-axis motor 10 can drive the fan blades 11 and the rotating shaft 12 to rotate. The fan blades 11 can improve the output effect of cold air. When the rotating shaft 12 rotates, it drives the fan gear 13 to rotate, and drives the movable frame 14 to move by engaging with the teeth 15, which can drive the connecting plate 16 to move, so that the movable plate 17 swings along the fixed rod 18 through the strip opening, which can generate airflow to discharge heat and prevent heat accumulation. The insulation board 9 can block heat, and the trapezoidal block 19 slides along the inner wall of the trapezoidal slide groove to ensure the stability of the movement of the connecting plate 16.

[0024] In order to prevent dust from accumulating on the surface of the evaporator 4 and affecting the subsequent heat exchange, Figure 1-4 As shown, a connecting frame 20 is provided on the inner wall of the chassis 1 on one side of the evaporator 4, a dust filter 21 is fixedly connected to the interior of the connecting frame 20, a cavity is provided on the inner wall of the connecting frame 20, a spring 22 is fixedly connected to the interior of the cavity, an insert block 23 is fixedly connected to the end of the spring 22, a slot is provided on the inner wall of the chassis 1, the insert block 23 is plugged into the interior of the slot, a lever 24 is fixedly connected to the side wall of the insert block 23, and the lever 24 extends to the outside of the connecting frame 20.

[0025] The connecting frame 20 and the dust filter 21 can prevent dust from accumulating on the surface of the evaporator 4 to prevent the subsequent heat exchange from being affected. The spring 22 can push the plug block 23 to extend into the inside of the slot to ensure the stability of the movement of the connecting frame 20. Pulling the lever 24 can make the plug block 23 shrink to the inside of the cavity, making it easy to disassemble the connecting frame 20.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An energy-saving refrigeration device for heating and ventilation engineering, comprising a chassis (1), a compressor (2), a condenser (3), an evaporator (4), a liquid storage tank (5), a filter (6) and an expansion valve (7), characterized in that: The compressor (2), condenser (3), evaporator (4), liquid storage tank (5), filter (6) and expansion valve (7) are respectively fixedly connected inside the case (1), and the compressor (2), condenser (3), evaporator (4), liquid storage tank (5), filter (6) and expansion valve (7) are arranged in communication, an inner wall of the case (1) located on one side of the condenser (3) is fixedly connected to a heat insulation board (9), a dual-axis motor (10) is fixedly connected inside the case (1), one end of the dual-axis motor (10) is fixedly connected to a fan blade (11), the other end of the dual-axis motor (10) is connected to a rotating shaft (12), and the end of the rotating shaft (12) facing away from the dual-axis motor (10) is rotatably connected inside the heat insulation board (9).

2. The energy-saving refrigeration device for HVAC engineering according to claim 1, characterized in that: Openings are respectively provided on the inner walls on both sides of the chassis (1), and a plurality of heat dissipation fins (8) are fixedly connected to the inner walls of the chassis (1) located at the openings.

3. The energy-saving refrigeration device for HVAC engineering according to claim 1, characterized in that: One end of the rotating shaft (12) facing away from the dual-axis motor (10) passes through the heat insulation plate (9) and is fixedly connected to a sector gear (13); a movable frame (14) is sleeved on the outer side of the sector gear (13); a plurality of teeth (15) are fixedly connected inside the movable frame (14); the sector gear (13) and the teeth (15) are meshed with each other.

4. The energy-saving refrigeration device for HVAC engineering according to claim 3 is characterized in that: The two ends of the movable frame (14) are respectively fixedly connected to connecting plates (16), and a movable plate (17) is hingedly provided on the side wall of the connecting plate (16). The inner wall of the movable plate (17) is provided with a strip opening, and the inner wall of the strip opening is slidably provided with a fixing rod (18), and the fixing rod (18) is fixedly connected to the inner wall of the chassis (1). A trapezoidal block (19) is fixedly connected to the side wall of the connecting plate (16), and a trapezoidal slide groove is provided on the inner wall of the heat insulation board (9), and the trapezoidal block (19) is slidably provided on the inner wall of the trapezoidal slide groove.

5. The energy-saving refrigeration device for HVAC engineering according to claim 1, characterized in that: A connection frame (20) is provided on the inner wall of the chassis (1) located on one side of the evaporator (4), and a dust filter (21) is fixedly connected to the interior of the connection frame (20).

6. The energy-saving refrigeration device for HVAC engineering according to claim 5, characterized in that: The inner wall of the connection frame (20) is provided with a cavity, a spring (22) is fixedly connected inside the cavity, an insert block (23) is fixedly connected to the end of the spring (22), a slot is provided on the inner wall of the chassis (1), the insert block (23) is inserted inside the slot, a lever (24) is fixedly connected to the side wall of the insert block (23), and the lever (24) extends to the outside of the connection frame (20).

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