High-stability binary refrigeration compressor unit

Abstract

The invention discloses a binary refrigeration compressor unit with high stability. Comprising a base, an evaporator mechanism, a condenser, a liquid reservoir, a first compressor, a second compressor, an oil separator, a drying filter, a first electromagnetic valve, a first air outlet throttling valve, a first air return throttling valve, a one-way valve, a plate heat exchanger, a second electromagnetic valve, a second air outlet throttling valve and a second air return throttling valve. The evaporator mechanism is arranged on the right side of the exterior of the base, and an adjustable evaporator component, an adjusting component and an auxiliary heat exchange component are arranged in the evaporator mechanism. According to the high-stability binary refrigeration compressor unit, the matching relation among the compressor, the condenser, the throttling valve and the evaporator can be achieved, the accurate basis for combining heat absorption and release coefficients in theoretical calculation and practical application is provided, and the optimal matching configuration of a whole set of refrigeration system is achieved; and the working efficiency of the evaporator can be adjusted in real time according to actual needs, and the purposes of energy conservation and noise reduction are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of refrigeration compressors, in particular to a binary refrigeration compressor unit with high stability. Background Art

[0002] The refrigeration compressor is the core component of the refrigeration system. Its function is to compress the low-temperature and low-pressure refrigerant gas into high-temperature and high-pressure gas, so that the refrigerant circulates to achieve refrigeration. It has a long history of development. In the early days, it was mainly a piston structure, with shortcomings such as large vibration, high noise, and low efficiency. After the 20th century, new compressors such as rotary, scroll, and screw have appeared one after another, and their performance has been significantly improved. In recent years, it has developed in the direction of environmental protection and energy saving. The main types include piston type (compressing the refrigerant by changing the cylinder volume through the reciprocating motion of the piston, suitable for small and medium-sized refrigeration equipment), rotary type (composed of a rotor and a stator, compressing the refrigerant by the change of the gap, used for household air conditioners, etc.), scroll type (composed of fixed and movable scroll disks, the space is reduced during movement to compress the refrigerant, used for household and commercial air conditioners, etc.), screw type (composed of intermeshing screws, compressing the refrigerant during rotation, used for large refrigeration systems);

[0003] In the prior art field, the matching relationship between compressors, condensers, throttle valves and evaporators in the industry is currently mainly based on empirical estimates, lacking precise scientific calculations and practical analysis. This experience-based matching method is highly subjective and uncertain, and cannot fully take into account the complex interactions between the various components and the diversity of actual operating conditions, resulting in the selected compressor power, condenser, throttle valve and evaporator not matching the compressor or exceeding actual requirements, thereby affecting the operating efficiency of the entire refrigeration system. Excessive compressor power is often accompanied by greater vibration and noise. The mismatch between components may cause the flow state of the refrigerant in the system to be unstable, generating airflow noise. If the heat dissipation capacity of the condenser cannot match the heat generation of the system, it will cause heat to accumulate in the system, causing the temperature of the equipment to rise, which will not only affect the performance and life of the equipment, but may also pose a safety hazard. Summary of the invention

[0004] The object of the present invention is to provide a binary refrigeration compressor unit with high stability, so as to at least solve the problems mentioned in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: A high-stability binary refrigeration compressor unit, comprising: a base, an evaporator mechanism, a condenser, a liquid receiver, a first compressor, a second compressor, an oil separator, a drying filter, a first solenoid valve, a first air outlet throttle valve, a first air return throttle valve, a one-way valve, a plate heat exchanger, a second solenoid valve, a second air outlet throttle valve, and a second air return throttle valve;

[0006] The evaporator mechanism is arranged on the right side of the outside of the base, and the inside of the evaporator mechanism is provided with an adjustable evaporator component, an adjusting component and an auxiliary heat exchange component, the adjustable evaporator component can perform a temperature reduction and pressure reduction operation, and the inside of the evaporator mechanism is provided with an adjusting component, the adjusting component can adjust the adjustable evaporator component, and the auxiliary heat exchange component can assist in cooling the adjustable evaporator component; the condenser is installed on the left side of the top of the base; the liquid reservoir is installed on the top of the base and located in the right front of the condenser, and the liquid reservoir and the condenser are connected through a pipeline; the first compressor is installed on the top of the base and located on the right side of the liquid reservoir, and the first compressor and the condenser are connected through a pipeline; the second compressor is installed on the top of the base and located on the rear side of the first compressor; the oil separator is installed on the top of the base and located on the left side of the second compressor, and the oil separator is connected to the condenser and the second compressor through a pipeline; the number of the dry filters is two, and the two dry filters are respectively installed on the top of the base and located on the right side of the first compressor and the second compressor, and the two dry filters are respectively connected to the first compressor and the second compressor through The first electromagnetic valve is installed at the front right of the top of the base, and the first electromagnetic valve is connected to the drying filter connected to the first compressor through a pipeline; the first air outlet throttle valve is installed at the front side of the middle of the top of the base, and the first air outlet throttle valve is connected to the first electromagnetic valve through a pipeline; the first return air throttle valve is installed at the top of the base and is located in front of the first air outlet throttle valve; the one-way valve is installed on the top of the first return air throttle valve, and the one-way valve and the first return air throttle valve are connected through a pipeline; the plate heat exchanger is installed at the rear right of the top of the base, and the plate heat exchanger is connected to the first compressor The plate heat exchanger is connected to the drying filter connected to the second compressor through a pipeline; the second solenoid valve is installed on the top of the base and is located on the right side of the first solenoid valve, and the second solenoid valve is connected to the first compressor and the plate heat exchanger through a pipeline; the second air outlet throttle valve is installed at the rear end of the right side of the top of the base, and the second air outlet throttle valve is connected to the drying filter connected to the second compressor through a pipeline; the second return air throttle valve is installed on the top of the base and is located in front of the second air outlet throttle valve, and the second return air throttle valve is connected to the second compressor through a pipeline.

[0007] Preferably, the evaporator mechanism includes: a base, a first mounting groove, an adjusting component, a second mounting groove, an auxiliary heat exchange component and an adjustable evaporator component; the base is arranged on the right side of the base; the first mounting groove is opened on the left side of the top end of the base along the front-to-back direction; the adjusting component is installed in the inner cavity of the first mounting groove; the number of the second mounting grooves is two, and the two second mounting grooves are respectively opened at the front and rear ends of the right side of the top end of the base; the number of the auxiliary heat exchange components is two, and the two auxiliary heat exchange components are respectively installed in the inner cavities of the two front and rear second mounting grooves; the adjustable evaporator component is installed on the left side of the top end of the base.

[0008] Preferably, the adjustable evaporator component comprises: a fixing frame, a heat conducting tube, a fin and a heat conducting tube; the number of the fixing frames is two, and the two fixing frames are respectively mounted on the top of the base and located on the front and rear sides above the first mounting groove; the number of the heat conducting tubes is two, and the two heat conducting tubes are respectively mounted in a serpentine shape at the upper and lower ends of the inner sides of the front and rear fixing frames, the two ends of the bottom heat conducting tube are respectively connected to the first air outlet throttle valve and the first air return throttle valve, and the top heat conducting tube is respectively connected to the second air outlet throttle valve and the second air return throttle valve; the number of the fins is several, and several of the fins are arranged at intervals from front to back on the outside of the upper and lower heat conducting tubes; the number of the heat conducting tubes is several groups, and the number of the heat conducting tubes in each group is several, and several of the heat conducting tubes are embedded in the internal openings of several fins at intervals, and the inner sides of several of the fins are sleeved on the outer walls of the heat conducting tubes.

[0009] Preferably, the adjusting component includes: a first shell, a slot body, a fixed seat, a folding frame, a first connecting shaft and a driving unit; the first shell is arranged in the inner cavity of the first mounting slot along the front-to-back direction; the slot body is opened in the middle of the top end of the inner cavity of the base along the front-to-back direction; the fixed seat is fixedly installed on the front side of the inner cavity of the first shell; the folding frame is rotatably installed on the inner side of the rear end of the fixed seat along the front-to-back direction; the number of the first connecting shafts is several, and the several first connecting shafts are rotatably connected to the top of the axis at the intersection position of the folding frame through bearings; the driving unit is installed on the rear side of the inner cavity of the first shell.

[0010] Preferably, the driving unit comprises: a gear rod, a U-shaped seat, a second connecting shaft, a fixed shaft, a gear, a first motor, a bevel gear set, a first rotating rod, a fixed rod and a second rotating rod; the number of the gear rods is two, and the two gear rods are rotatably connected to the left and right sides of the rear end of the folding frame through a rotating shaft; the U-shaped seat is arranged on the outer side of the left and right rear ends, and the two gear rods are rotatably connected to the inner side of the U-shaped seat through a rotating shaft and mesh with each other; the second connecting shaft is rotatably connected to the top end of the U-shaped seat through a bearing, and the top end of the second connecting shaft and the top ends of several first connecting shafts are respectively connected to the bottom ends of several fins; the number of the fixed shafts is two, and the two fixed shafts are rotatably connected to the left and right ends of the rear side of the bottom end of the inner cavity of the first shell through bearings; There are two gears, and the two gears are fixedly mounted on the outer walls of the left and right fixed shafts and mesh with each other; the first motor is mounted on the rear side of the inner cavity of the first shell; the gear at one end of the bevel gear set is mounted on the rotating end of the first motor, and the gear at the other end of the bevel gear set is mounted on the outer wall of the right fixed shaft; there are two first rotating rods, and one end of the two first rotating rods is fixedly mounted on the top of the outer wall of the axis of the left and right fixed shafts; the fixed rod is rotatably connected to the bottom end of the U-shaped seat through a bearing; there are two second rotating rods, and one end of the two second rotating rods is fixedly connected to the outside of the other end of the left and right first rotating rods through a rotating shaft, and the other end of the two second rotating rods is folded in half and rotatably connected to the bottom end of the outer wall of the fixed rod through a bearing.

[0011] Preferably, the auxiliary heat exchange component includes: a frame base, a guide rail, a third mounting groove, a pushing unit and a synchronous moving unit; the frame base is installed in the inner cavity of the second mounting groove; the number of the guide rails is two, and the two guide rails are respectively arranged on the right side of the inner front and rear ends of the frame base along the left and right directions; the number of the third mounting grooves is two, and the two third mounting grooves are respectively opened on the front and rear ends of the left side of the top of the frame base; the pushing unit is installed on the inner right end of the frame base; the synchronous moving unit is arranged in the inner cavities of the two left and right third mounting grooves.

[0012] Preferably, the pushing unit includes: a truss, a roller seat, a track frame and a scissor-type electric folding frame; the truss is arranged on the inner side of the front and rear guide rails along the front and rear direction; the number of the roller seats is two, and the two roller seats are respectively installed on the front and rear sides of the truss, and the front and rear roller seats are respectively in contact with the outside of the front and rear guide rails; the number of the track frames is two, and the two track frames are respectively installed on the right side of the truss and the right side of the inner cavity of the frame base; the scissor-type electric folding frame is installed on the inner side of the left and right track frames.

[0013] Preferably, the synchronous moving unit comprises: a mounting seat, a guide rail frame, a limiting slider, a pulley seat, a belt, a rotating seat, a mounting frame, a fan, an electric telescopic rod and a second motor; the number of the mounting seats is two groups, the number of the mounting seats in each group is two, and the two groups of mounting seats are respectively mounted on the left and right sides of the bottom end of the inner cavity of the front and rear third mounting grooves; the number of the guide rail frames is two, and the two guide rail frames are respectively mounted on the inner sides of the front and rear groups of mounting seats along the left and right directions; the number of the limiting sliders is two, and the two groups of limiting sliders are respectively sleeved on the left and right sides of the exteriors of the two guide rail frames; the number of the pulley seats is two groups, the number of the pulley seats in each group is two, and the two groups of pulley seats are respectively mounted on the middle of the left and right ends of the inner sides of the front and rear groups of mounting seats; the number of the belts is two, and the two belts are The belts are respectively sleeved on the outside of the two groups of pulley seats in the left and right directions, and the outer tops of the two belts are respectively connected to the front and rear groups of limit sliders; the number of the rotating seats is two, and the two rotating seats are respectively arranged on the inner sides of the front and rear groups of limit sliders; the mounting frame is rotatably connected to the inner sides of the front and rear rotating seats through a rotating shaft; the fan is arranged on the inner side of the mounting frame; the number of the electric telescopic rods is two, and the two electric telescopic rods are respectively rotatably installed on the front and rear ends of the right side of the inner cavity of the frame base through the rotating shaft seats, and the other ends of the two electric telescopic rods are respectively connected to the front and rear ends of the right side of the mounting frame through the rotating shaft seats; the number of the second motors is two, and the two second motors are respectively arranged on the inner sides of the right-side mounting seats in the front and rear groups, and the rotating ends of the front and rear second motors are respectively connected to the axles of the right-side pulley seats in the front and rear groups.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The first compressor compresses the low-temperature and low-pressure RA refrigerant in itself into a high-temperature and high-pressure liquid refrigerant. The high-temperature and high-pressure liquid refrigerant enters the liquid storage tank and expands after the heat dissipation of the condenser. The expanded refrigerant passes through the drying filter at the corresponding position to filter out the trace moisture in the refrigerant and the oxide layer impurities mixed in the pipeline. The filtered RA refrigerant passes through the first solenoid valve and enters the first air outlet throttle valve. After throttling in the first air outlet throttle valve, a low-temperature and low-pressure gaseous medium is formed. The gaseous medium enters the bottom heat conduction pipe. The fins absorb heat from the gaseous medium passing through the bottom heat conduction pipe in cooperation with the heat conduction tube, and then return to the first compressor through the first return air throttle valve and the one-way valve. When the above working process is cyclically operated to the specified temperature, the second solenoid valve is opened to form a low-temperature and low-pressure gaseous medium after throttling in the first compressor. After entering the plate heat exchanger, the liquid R refrigerant that has not been completely condensed in the second compressor enters the plate heat exchanger. The RA refrigerant in the plate heat exchanger absorbs the heat of the R refrigerant and returns to the first compressor for circulation again. At the same time, the second compressor starts to compress the low-temperature and low-pressure RA refrigerant in itself into a high-temperature and high-pressure liquid refrigerant. The high-temperature and high-pressure liquid refrigerant passes through the oil separator and enters the condenser for heat dissipation. The drying filter at the corresponding position of the refrigerant after heat dissipation filters out the trace moisture in the refrigerant and the oxide layer impurities mixed in the pipeline. After passing through the second air outlet throttle valve, the RA refrigerant forms a low-temperature and low-pressure gaseous medium and enters the bottom heat conduction pipe. After the fins absorb heat from the gaseous medium passing through the top heat conduction pipe in cooperation with the heat conduction tube, they return to the second compressor through the second return air throttle valve until the set low temperature is reached.

[0016] 2. The electric telescopic rod extends itself to drive the mounting frame to rotate upward to a vertical state. The scissor-type electric folding frame folds forward to drive the truss to move to the left. The second motors on the front and rear sides cooperate with the pulley seats at the corresponding positions to drive the upper limit sliders at the corresponding positions to drive the rotating seats at the corresponding positions to move synchronously to the left, so that the fan is close to the fins. The motor inside the fan drives the fan blades to rotate to enhance air flow and improve heat exchange efficiency.

[0017] 3. Under the transmission of the bevel gear set and the gear, the fixed shafts on both sides drive the first rotating rods on both sides to rotate synchronously inward or outward, and the first rotating rods on both sides drive the U-shaped seat to move forward or backward with the cooperation of the second rotating rod and the fixed rod. The U-shaped seat drives the fins at the corresponding position above to move forward or backward with the cooperation of the second connecting shaft. The U-shaped seat drives the gear rods on both sides to rotate synchronously outward or inward on its inner side, so as to drive the folding frame to fold forward or unfold backward with the connection position with the fixed seat as the end point, and then the folding frame drives the fins at the remaining positions to move forward or backward with the cooperation of several first connecting shafts above itself, and then the fins move forward and backward on the outside of the heat conducting tube with the cooperation of the heat conducting tube while changing the spacing, so as to optimize the distribution of airflow between the fins according to different working conditions and fluid characteristics, increase the actual area involved in heat dissipation and reduce thermal interference between the fins.

[0018] In summary, the present invention can achieve the matching relationship between the compressor, condenser, throttle valve and evaporator, has an accurate basis for combining theoretical calculation with the heat absorption and release coefficient in practical application, achieves the optimal configuration of the entire refrigeration system, and can instantly adjust the working efficiency of the evaporator according to actual needs, thereby achieving the purpose of energy saving and noise reduction. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the present invention;

[0020] Figure 2 for Figure 1 Exploded diagram of the evaporator mechanism;

[0021] Figure 3 for Figure 2 A magnified view of the adjustable evaporator parts at A;

[0022] Figure 4 for Figure 2 Exploded view of the regulating components;

[0023] Figure 5 for Figure 4 A magnified view of the drive unit at location B;

[0024] Figure 6 for Figure 2 Exploded diagram of auxiliary heat exchange components;

[0025] Figure 7 for Figure 6 A magnified view of the push unit at C;

[0026] Figure 8 for Figure 6 Enlarged view of the synchronous mobile unit at D.

[0027] In the figure: 1, base, 2, evaporator mechanism, 21, base, 22, first mounting groove, 23, second mounting groove, 25, adjustable evaporator component, 251, fixed frame, 252, heat pipe, 253, fin, 254, heat pipe, 3, adjustment component, 31, first shell, 32, slot body, 33, fixed seat, 34, folding frame, 35, first connecting shaft, 36, driving unit, 361, gear rod, 362, U-shaped seat, 363, second connecting shaft, 364, fixed shaft, 365, gear, 366, first motor, 367, bevel gear set, 368, first rotating rod, 369, fixed rod, 3610, second rotating rod, 4, auxiliary heat exchange component, 41, frame base, 42, guide rail, 43, third mounting groove, 4 4. Push unit, 441. Truss, 442. Roller seat, 443. Track frame, 444. Scissor-type electric folding frame, 45. Synchronous moving unit, 451. Mounting seat, 452. Guide rail frame, 453. Limiting slider, 454. Pulley seat, 455. Belt, 456. Rotating seat, 457. Mounting frame, 458. Fan, 459. Electric telescopic rod, 4510. Second motor, 5. Condenser, 6. Liquid storage tank, 7. First compressor, 8. Second compressor, 9. Oil separator, 10. Dry filter, 11. First solenoid valve, 12. First air outlet throttle valve, 13. First return air throttle valve, 14. Check valve, 15. Plate heat exchanger, 16. Second solenoid valve, 17. Second air outlet throttle valve, 18. Second return air throttle valve. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-Figure 8The present invention provides a technical solution: a high-stability binary refrigeration compressor unit, comprising: a base 1, an evaporator mechanism 2, a condenser 5, a liquid storage tank 6, a first compressor 7, a second compressor 8, an oil separator 9, a drying filter 10, a first solenoid valve 11, a first air outlet throttle valve 12, a first air return throttle valve 13, a one-way valve 14, a plate heat exchanger 15, a second solenoid valve 16, a second air outlet throttle valve 17 and a second air return throttle valve 18; the evaporator mechanism 2 is arranged on the right side of the outside of the base 1, and an adjustable evaporator component 25, an adjusting component 3 and an auxiliary heat exchange component 4 are arranged inside the evaporator mechanism 2, and the adjustable evaporator component 25 can perform temperature and pressure reduction operations, and the evaporator mechanism 2 An adjusting component 3 is provided inside, and the adjusting component 3 can adjust the adjustable evaporator component 25, and the auxiliary heat exchange component 4 can assist in cooling the adjustable evaporator component 25; the condenser 5 is installed on the left side of the top of the base 1; the liquid reservoir 6 is installed on the top of the base 1 and is located in front of the right side of the condenser 5, and the liquid reservoir 6 and the condenser 5 are connected through a pipeline; the first compressor 7 is installed on the top of the base 1 and is located on the right side of the liquid reservoir 6, and the first compressor 7 and the condenser 5 are connected through a pipeline; the second compressor 8 is installed on the top of the base 1 and is located on the rear side of the first compressor 7; the oil separator 9 is installed on the top of the base 1 and is located on the left side of the second compressor 8, and the oil separator 9 is connected to the condenser 5 and the second compressor 8 connected by pipelines; the number of the drying filter 10 drying filter 10 is two, and the two drying filters 10 are respectively installed at the top of the base 1 and located on the right side of the first compressor 7 and the second compressor 8, and the two drying filters 10 are respectively connected to the first compressor 7 and the second compressor 8 through pipelines; the first solenoid valve 11 is installed at the front right of the top of the base 1, and the first solenoid valve 11 is connected to the drying filter 10 connected to the first compressor 7 through a pipeline; the first air outlet throttle valve 12 is installed at the front side of the middle part of the top of the base 1, and the first air outlet throttle valve 12 is connected to the first solenoid valve 11 through a pipeline; the first return air throttle valve 13 is installed at the top of the base 1 and located in front of the first air outlet throttle valve 12; The one-way valve 14 is installed on the top of the first return air throttle valve 13, and the one-way valve 14 and the first return air throttle valve 13 are connected through a pipeline; the plate heat exchanger 15 is installed at the right rear of the top of the base 1, and the plate heat exchanger 15 is connected to the first compressor 7 through a pipeline, and the plate heat exchanger 15 is connected to the drying filter 10 connected to the second compressor 8 through a pipeline; the second solenoid valve 16 is installed on the top of the base 1 and is located on the right side of the first solenoid valve 11, and the second solenoid valve 16 is connected to the first compressor 7 and the plate heat exchanger 15 through a pipeline; the second air outlet throttle valve 17 is installed at the right rear end of the top of the base 1, and the second air outlet throttle valve 17 is connected to the drying filter 10 connected to the second compressor 8 through a pipeline;The second return air throttle valve 18 is installed at the top of the base 1 and is located in front of the second outlet air throttle valve 17. The second return air throttle valve 18 is connected to the second compressor 8 through a pipeline.

[0030] As a preferred solution, further, Figure 2 and Figure 3 As shown, the evaporator mechanism 2 includes: a base 21, a first mounting groove 22, an adjustment component 3, a second mounting groove 23, an auxiliary heat exchange component 4 and an adjustable evaporator component 25; the base 21 is arranged on the right side of the base 1; the first mounting groove 22 is opened on the left side of the top end of the base 21 along the front-to-back direction; the adjustment component 3 is installed in the inner cavity of the first mounting groove 22; the number of the second mounting grooves 23 is two, and the two second mounting grooves 23 are respectively opened at the front and rear ends of the right side of the top end of the base 21; the number of the auxiliary heat exchange components 4 is two, and the two auxiliary heat exchange components 4 are respectively installed in the inner cavities of the two front and rear second mounting grooves 23; the adjustable evaporator component 25 is installed on the left side of the top end of the base 21, and the adjustable evaporator component 25 includes: a fixing frame 251, a heat pipe 252, a fin 253 and a heat pipe 254; the number of the fixing frames 251 is two, and the two fixing frames 251 are respectively installed on the top end and located on the front and rear sides above the first mounting groove 22; there are two heat-conducting pipes 252, which are respectively installed in a serpentine shape at the upper and lower ends of the inner sides of the front and rear fixing frames 251, the two ends of the bottom heat-conducting pipe 252 are respectively connected to the first air outlet throttle valve 12 and the first air return throttle valve 13, and the top heat-conducting pipe 252 is respectively connected to the second air outlet throttle valve 17 and the second air return throttle valve 18; there are a plurality of fins 253, and a plurality of fins 253 are arranged at intervals on the outside of the upper and lower heat-conducting pipes 252 from front to back; there are a plurality of groups of heat-conducting tubes 254, and the number of heat-conducting tubes 254 in each group is a plurality of heat-conducting tubes 254, and a plurality of heat-conducting tubes 254 are embedded in the internal openings of a plurality of fins 253 at intervals, and the inner sides of a plurality of fins 253 are sleeved on the outer wall of the heat-conducting tube 252, and the heat-conducting tube 254 can move back and forth on the outer wall of the heat-conducting tube 252, and the heat-conducting tube 254 is made of heat-conducting material.

[0031] As a preferred solution, further, Figure 4 and Figure 5As shown, the adjustment component 3 includes: a first shell 31, a slot body 32, a fixing seat 33, a folding frame 34, a first connecting shaft 35 and a driving unit 36; the first shell 31 is arranged in the inner cavity of the first mounting slot 22 along the front-to-back direction; the slot body 32 is opened in the middle of the top of the inner cavity of the base 21 along the front-to-back direction; the fixing seat 33 is fixedly installed on the front side of the inner cavity of the first shell 31; the folding frame 34 is rotatably installed on the inner side of the rear end of the fixing seat 33 along the front-to-back direction, and the folding frame 34 can be folded to the front side or unfolded to the rear side with the connection position with the fixing seat 33 as the end point; the number of first connecting shafts 35 is several, and several first connecting shafts 35 are rotatably connected to the folding frame through bearings. 34; the driving unit 36 ​​is installed on the rear side of the inner cavity of the first shell 31, and the driving unit 36 ​​includes: a gear rod 361, a U-shaped seat 362, a second connecting shaft 363, a fixed shaft 364, a gear 365, a first motor 366, a bevel gear set 367, a first rotating rod 368, a fixed rod 369 and a second rotating rod 3610; the number of the gear rods 361 is two, and the two gear rods 361 are rotatably connected to the left and right sides of the rear end of the folding frame 34 through the rotating shaft; the U-shaped seat 362 is set on the outer side of the rear end of the left and right 316, and the two gear rods 361 are rotatably connected to the inner side of the U-shaped seat 362 through the rotating shaft and mesh with each other. The gear rods 361 on the left and right sides can mesh and rotate on the inner side of the U-shaped seat 362; the second connecting shaft 363 is rotatably connected to the top of the U-shaped seat 362 through a bearing, and the top of the second connecting shaft 363 and the tops of the plurality of first connecting shafts 35 are respectively connected to the bottom ends of the plurality of fins 253; there are two fixed shafts 364, which are rotatably connected to the left and right ends of the rear side of the bottom end of the inner cavity of the first shell 31 through bearings; there are two gears 365, which are fixedly mounted on the outer walls of the left and right fixed shafts 364 and mesh with each other, and the gears 365 can mesh and rotate and drive the fixed shafts 364 at the corresponding positions to rotate synchronously in the opposite direction. ; The first motor 366 is installed at the rear side of the inner cavity of the first shell 31, and the first motor 366 can drive the gear at one end of the bevel gear set 367 to rotate clockwise or counterclockwise; the gear at one end of the bevel gear set 367 is installed at the rotating end of the first motor 366, and the gear at the other end of the bevel gear set 367 is installed on the outer wall of the right fixed shaft 364, and the bevel gear set 367 plays a transmission role between the fixed shaft 364 and the first motor 366; there are two first rotating rods 368, and one end of the two first rotating rods 368 is fixedly installed on the top of the outer wall of the axis of the left and right fixed shafts 364; the fixed rod 369 is rotatably connected to the bottom end of the U-shaped seat 362 through a bearing;There are two second rotating rods 3610, one end of each of which is fixedly connected to the outside of the other end of each of the left and right first rotating rods 368 through a rotating shaft, and the other end of each of the second rotating rods 3610 is folded in half and rotatably connected to the bottom end of the outer wall of the fixed rod 369 through a bearing, and the second rotating rod 3610 can rotate inward or outward with the axis of the fixed rod 369 as the axis.

[0032] As a preferred solution, further, Figure 6 , Figure 7 and Figure 8As shown, the auxiliary heat exchange component 4 includes: a frame base 41, a guide rail 42, a third mounting groove 43, a push unit 44 and a synchronous moving unit 45; the frame base 41 is installed in the inner cavity of the second mounting groove 23; the number of the guide rails 42 is two, and the two guide rails 42 are respectively arranged on the right sides of the inner front and rear ends of the frame base 41 along the left and right directions; the number of the third mounting grooves 43 is two, and the two third mounting grooves 43 are respectively opened on the front and rear ends of the top left side of the frame base 41; the push unit 44 is installed on the inner right end of the frame base 41, and the push unit 44 includes: a truss 441, a roller seat 442, a track frame 443 and a scissor-type electric folding frame 444; the truss 441 is arranged on the front and rear two guide rails 44 along the front and rear directions 2; the number of roller seats 442 is two, and the two roller seats 442 are respectively installed on the front and rear sides of the truss 441, and the front and rear roller seats 442 are respectively in contact with the outside of the front and rear guide rails 42, and the roller seats 442 can move to the left or right along the outside of the guide rails 42; the number of track frames 443 is two, and the two track frames 443 are respectively installed on the right side of the truss 441 and the right side of the inner cavity of the frame base 41; the scissor-type electric folding frame 444 is installed on the inner side of the left and right track frames 443, and the scissor-type electric folding frame 444 can be folded on the inner side of the track frames 443 on the left and right sides; the synchronous moving unit 45 is arranged in the inner cavity of the left and right third mounting grooves 43, and the synchronous moving unit 45 includes: Mounting seat 451, guide rail frame 452, limiting slider 453, pulley seat 454, belt 455, rotating seat 456, mounting frame 457, fan 458, electric telescopic rod 459 and second motor 4510; the number of mounting seats 451 is two groups, the number of each group of mounting seats 451 is two, and the two groups of mounting seats 451 are respectively mounted on the left and right sides of the bottom end of the inner cavity of the front and rear third mounting grooves 43; the number of guide rail frames 452 is two, and the two guide rail frames 452 are respectively mounted on the inner sides of the front and rear two groups of mounting seats 451 along the left and right directions; the number of limiting sliders 453 is, the number of each group of limiting sliders 453 is two, and the two groups of limiting sliders 453 are respectively sleeved on the left and right sides of the outside of the two guide rail frames 452 , the limiting slider 453 can move to the left or right outside the guide rail frame 452; there are two groups of pulley seats 454, and each group of pulley seats 454 has two pulley seats, and the two groups of pulley seats 454 are respectively installed at the middle of the left and right ends of the inner sides of the front and rear groups of mounting seats 451; there are two belts 455, and the two belts 455 are respectively sleeved on the outside of the two groups of pulley seats 454 along the left and right directions, and the outer tops of the two belts 455 are respectively connected to the front and rear groups of limiting sliders 453, and the belts 455 can rotate circumferentially under the drive and tension of the pulleys in the pulley seats 454 on both sides; there are two rotating seats 456, and the two rotating seats 456 are respectively arranged on the inner sides of the front and rear groups of limiting sliders 453;The mounting frame 457 is rotatably connected to the inner sides of the front and rear rotating seats 456 through a rotating shaft, and the mounting frame 457 can rotate upward or downward on the inner side of the rotating seat 456; the fan 458 is arranged on the inner side of the mounting frame 457; there are two electric telescopic rods 459, which are respectively rotatably installed at the front and rear ends of the right side of the inner cavity of the frame base 41 through the rotating shaft seat, and the other ends of the two electric telescopic rods 459 are respectively connected to the front and rear ends of the right side of the mounting frame 457 through the rotating shaft seat. The electric telescopic rods 459 are extended by themselves. The shortening driving mounting frame 457, the electric telescopic rod 459 itself can rotate upward or downward with the rotation connection with the inner cavity rotating shaft seat of the frame base 41 as the axis during the extension and shortening process; the number of the second motor 4510 is two, and the two second motors 4510 are respectively arranged on the inner side of the right mounting seat 451 in the front and rear groups, and the rotating ends of the front and rear second motors 4510 are respectively connected to the axis of the right pulley seat 454 in the front and rear groups, and the second motor 4510 can drive the pulley in the right pulley seat 454 to rotate clockwise or counterclockwise. ;

[0033] Here’s how it works:

[0034] Step 1: The first compressor 7 compresses the low-temperature and low-pressure R404A refrigerant in itself into a high-temperature and high-pressure liquid refrigerant. The high-temperature and high-pressure liquid refrigerant enters the liquid storage tank 2 and expands after the heat dissipation of the condenser 3. The expanded refrigerant passes through the drying filter 10 at the corresponding position to filter out the trace moisture in the refrigerant and the oxide layer impurities mixed in the pipeline. The filtered R404A refrigerant passes through the first solenoid valve 11 and enters the first air outlet throttle valve 12. After throttling in the first air outlet throttle valve 12, a low-temperature and low-pressure gaseous medium is formed. The gaseous medium enters the bottom heat conduction pipe 252. Inside, the fins 253 absorb heat from the gaseous medium passing through the bottom heat conducting tube 252 in cooperation with the heat conducting tube 254, and then return to the first compressor 7 through the first return air throttle valve 13 and the one-way valve 14. When the above working process is circulated to the specified temperature, the second solenoid valve 16 is opened, so that the low-temperature and low-pressure gaseous medium formed after throttling inside the first compressor 7 enters the plate heat exchanger 15, and the liquid R23 refrigerant that is not completely condensed in the second compressor 8 enters the plate heat exchanger 15, and the R404A refrigerant in the plate heat exchanger 15 absorbs the heat of the R23 refrigerant and returns to the first compressor 7. The cycle is repeated again, and at the same time, the second compressor 8 starts to compress the low-temperature and low-pressure R23A refrigerant inside itself into a high-temperature and high-pressure liquid refrigerant. The high-temperature and high-pressure liquid refrigerant passes through the oil separator 9 and enters the condenser 5 for heat dissipation. The drying filter 10 at the corresponding position of the refrigerant after heat dissipation filters out trace moisture in the refrigerant and impurities in the oxide layer mixed in the pipeline. The R23A refrigerant passes through the second air outlet throttle valve 17 to form a low-temperature and low-pressure gaseous medium and enters the bottom heat conducting pipe 252. The fins 253 cooperate with the heat conducting tube 254 to heat the gaseous medium passing through the top heat conducting pipe 252. After absorbing heat, it returns to the second compressor 8 through the second return air throttle valve 18 until the set low temperature is reached, and then the energy and refrigeration curves of the first compressor 7 and the second compressor 8 at different temperatures are tested. After determining the power of the first compressor 7 and the second compressor 8, the required heat dissipation area and volume of the condenser 5 are calculated according to the heat dissipation power calculation formula of the condenser. After the heat dissipation power of the condenser 5 is determined, the corresponding first solenoid valve 11, the first air outlet throttle valve 12, the first return air throttle valve 13 and the one-way valve 14 of the throttling expansion valve are selected, so as to achieve the optimal configuration of the whole refrigeration system;

[0035] Step 2: The electric telescopic rod 459 drives the installation frame 457 by extending itself, so that the installation frame 457 rotates upward to a vertical state inside the front and rear rotating seats 456, and the scissor-type electric folding frame 444 folds itself to the front side to drive the truss 441, and the front and rear roller seats 442 move along the outside of the guide rail 42 and limit the truss 441 at the same time, so that the truss 441 drives the front and rear electric telescopic rods 459 to move to the left side, and the front and rear second motors 4510 drive the pulley seats 454 at the corresponding positions to rotate, so that the belt 455 rotates circumferentially with the cooperation of the pulley seat 454 on the other side, so as to drive the upper limit slider 453 at the corresponding position to move to the left along the outside of the guide rail frame 452, and the front and rear limit sliders 453 cooperate to drive the rotating seats 456 at the corresponding positions to drive the installation frame 457 to move to the left synchronously, so that the fan 458 is close to the fins 253, and the internal motor of the fan 458 drives the fan blades to rotate to enhance the air flow and improve the heat exchange efficiency;

[0036] Step 3: After calculating the optimal heat absorption area of ​​the evaporator mechanism 2, the first motor 366 drives the bevel gear at one end of the bevel gear set 367 to rotate, and under the transmission of the bevel gear set 367, the fixed shaft 364 at the corresponding position is driven to drive the gear 365 and the first rotating rod 368 to rotate, and the gear 365 on the other side is engaged and driven to drive the fixed shaft 364 at the corresponding position to drive the first rotating rod 368 to rotate in the opposite direction, and the fixed shafts 364 on both sides drive the first rotating rods 368 on both sides to rotate synchronously inward or outward, and the first rotating rods 368 on both sides drive the second rotating rod 3610 at the corresponding position to rotate inward or outward with the axis core of the fixed rod 369 as the axis, and then drive the U-shaped seat 362 to move forward or backward with the cooperation of the fixed rod 369, and the U-shaped seat 362 moves to the second connecting rod 369. With the cooperation of the connecting shaft 363, the fins 253 at the corresponding position above are driven to move forward or backward, and the U-shaped seat 362 drives the gear rods 361 on both sides to rotate synchronously toward the outside or the inside on its own side, so as to drive the folding frame 34 to fold toward the front side or unfold toward the rear side with the connection position with the fixed seat 33 as the end point, and then the folding frame 34 drives the fins 253 at the remaining positions to move forward or backward with the cooperation of several first connecting shafts 35 above itself, and then the fins 253 move forward and backward on the outside of the heat pipe 252 with the cooperation of the heat pipe 254 while changing the spacing, so as to optimize the distribution of airflow between the fins according to different working conditions and fluid characteristics, increase the area actually involved in heat dissipation while reducing thermal interference between the fins, so as to achieve the optimal heat absorption area of ​​the evaporator mechanism 2.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-stability binary refrigeration compressor unit, characterized in that: include: Base (1); An evaporator mechanism (2) is arranged on the right side of the outside of the base (1); an adjustable evaporator component (25), an adjusting component (3) and an auxiliary heat exchange component (4) are arranged inside the evaporator mechanism (2); the adjustable evaporator component (25) is capable of performing temperature reduction and pressure reduction operations; an adjusting component (3) is arranged inside the evaporator mechanism (2); the adjusting component (3) is capable of adjusting the adjustable evaporator component (25); and the auxiliary heat exchange component (4) is capable of assisting in cooling the adjustable evaporator component (25); A condenser (5) is installed on the left side of the top end of the base (1); A liquid reservoir (6) is installed on the top of the base (1) and is located in front of the condenser (5) to the right, and the liquid reservoir (6) and the condenser (5) are connected via a pipeline; A first compressor (7) is installed on the top of the base (1) and is located on the right side of the liquid storage container (6), and the first compressor (7) and the condenser (5) are connected via a pipeline; A second compressor (8) is mounted on the top of the base (1) and is located at the rear side of the first compressor (7); An oil separator (9) is installed at the top of the base (1) and is located on the left side of the second compressor (8), and the oil separator (9) is connected to the condenser (5) and the second compressor (8) through a pipeline; A drying filter (10), wherein the number of the drying filters (10) is two, the two drying filters (10) are respectively mounted on the top of the base (1) and located on the right side of the first compressor (7) and the second compressor (8), and the two drying filters (10) are respectively connected to the first compressor (7) and the second compressor (8) through pipelines.

2. A high-stability binary refrigeration compressor unit according to claim 1, characterized in that: The high-stability binary refrigeration compressor unit also includes: A first solenoid valve (11) is installed at the front right of the top end of the base (1), and the first solenoid valve (11) is connected to a drying filter (10) connected to the first compressor (7) through a pipeline; A first air outlet throttle valve (12) is installed at the front side of the middle part of the top end of the base (1), and the first air outlet throttle valve (12) is connected to the first solenoid valve (11) through a pipeline; A first air return throttle valve (13) is mounted on the top of the base (1) and is located in front of the first air outlet throttle valve (12); A one-way valve (14) is installed on the top of the first air return throttle valve (13), and the one-way valve (14) and the first air return throttle valve (13) are connected via a pipeline; A plate heat exchanger (15) is installed at the right rear of the top end of the base (1), the plate heat exchanger (15) is connected to the first compressor (7) through a pipeline, and the plate heat exchanger (15) is connected to the drying filter (10) connected to the second compressor (8) through a pipeline; a second solenoid valve (16) mounted on the top of the base (1) and located on the right side of the first solenoid valve (11), the second solenoid valve (16) being connected to the first compressor (7) and the plate heat exchanger (15) via pipelines; A second air outlet throttle valve (17) is installed at the right rear end of the top end of the base (1), and the second air outlet throttle valve (17) is connected to a drying filter (10) connected to the second compressor (8) through a pipeline; The second air return throttle valve (18) is installed at the top of the base (1) and is located in front of the second air outlet throttle valve (17). The second air return throttle valve (18) is connected to the second compressor (8) through a pipeline.

3. A high-stability binary refrigeration compressor unit according to claim 2, characterized in that: The evaporator mechanism (2) comprises: A base (21) is arranged on the right side of the base (1); A first mounting groove (22) is provided on the left side of the top end of the base (21) along the front-back direction; An adjusting component (3) installed in the inner cavity of the first installation groove (22); A second mounting groove (23), the number of the second mounting grooves (23) being two, and the two second mounting grooves (23) being respectively arranged at the front and rear ends of the right side of the top end of the base (21); Auxiliary heat exchange components (4), the number of the auxiliary heat exchange components (4) is two, and the two auxiliary heat exchange components (4) are respectively installed in the inner cavities of the two front and rear second installation grooves (23); The adjustable evaporator component (25) is installed on the left side of the top end of the base (21).

4. A high-stability binary refrigeration compressor unit according to claim 3, characterized in that: The adjustable evaporator component (25) comprises: A fixing frame (251), wherein the number of the fixing frames (251) is two, and the two fixing frames (251) are respectively mounted on the top of the base (21) and located on the front and rear sides above the first mounting groove (22); A heat conducting pipe (252), wherein the number of the heat conducting pipes (252) is two, and the two heat conducting pipes (252) are respectively installed along a serpentine shape at the upper and lower ends of the inner sides of the front and rear fixing frames (251), the two ends of the bottom heat conducting pipe (252) are respectively connected to the first air outlet throttle valve (12) and the first air return throttle valve (13), and the top heat conducting pipe (252) is respectively connected to the second air outlet throttle valve (17) and the second air return throttle valve (18); Fins (253), the number of the fins (253) is multiple, and the multiple fins (253) are arranged at intervals from front to back outside the upper and lower heat conduction pipes (252); The heat-conducting tubes (254) are provided in a plurality of groups, each group of the heat-conducting tubes (254) is provided with a plurality of heat-conducting tubes (254), the plurality of heat-conducting tubes (254) are embedded in the internal openings of the plurality of fins (253) at intervals, and the inner sides of the plurality of fins (253) are sleeved on the outer wall of the heat-conducting tube (252).

5. A high-stability binary refrigeration compressor unit according to claim 4, characterized in that: The adjusting component (3) comprises: A first housing (31) is arranged in the inner cavity of the first mounting groove (22) along the front-rear direction; A trough body (32) is provided in the middle of the top end of the inner cavity of the base (21) along the front-back direction; A fixing seat (33) fixedly mounted on the front side of the inner cavity of the first shell (31); A folding frame (34) is rotatably mounted on the inner side of the rear end of the fixing seat (33) in the front-rear direction; A first connecting shaft (35), wherein the number of the first connecting shafts (35) is multiple, and the multiple first connecting shafts (35) are rotatably connected to the top of the axis at the intersection position of the folding frame (34) through bearings; A drive unit (36) is installed at the rear side of the inner cavity of the first housing (31).

6. A high-stability binary refrigeration compressor unit according to claim 5, characterized in that: The driving unit (36) comprises: Gear rods (361), the number of the gear rods (361) is two, and the two gear rods (361) are rotatably connected to the left and right sides of the rear end of the folding frame (34) via a rotating shaft; A U-shaped seat (362) is arranged on the outer side of the rear ends of the left and right gears (316), and the two gear rods (361) are rotatably connected to the inner side of the U-shaped seat (362) through a rotating shaft and mesh with each other; A second connecting shaft (363) is rotatably connected to the top end of the U-shaped seat (362) via a bearing, and the top end of the second connecting shaft (363) and the top ends of the plurality of first connecting shafts (35) are respectively connected to the bottom ends of the plurality of fins (253); A fixed shaft (364), wherein the number of the fixed shafts (364) is two, and the two fixed shafts (364) are rotatably connected to the left and right ends of the rear side of the bottom end of the inner cavity of the first shell (31) via bearings; Gears (365), the number of the gears (365) is two, and the two gears (365) are fixedly mounted on the outer walls of the left and right fixed shafts (364) and mesh with each other; A first motor (366) is mounted on the rear side of the inner cavity of the first housing (31); A bevel gear set (367), one end gear of which is mounted on the rotating end of the first motor (366), and the other end gear of the bevel gear set (367) is mounted on the outer wall of the right fixed shaft (364); A first rotating rod (368), wherein the number of the first rotating rods (368) is two, and one end of the two first rotating rods (368) is fixedly mounted on the top of the outer wall of the axis of the left and right fixed shafts (364); A fixed rod (369) rotatably connected to the bottom end of the U-shaped seat (362) via a bearing; The second rotating rod (3610), the number of the second rotating rod (3610) is two, one end of the two second rotating rods (3610) is fixedly connected to the outer side of the other end of the left and right first rotating rods (368) through a rotating shaft, and the other end of the two second rotating rods (3610) is folded in half and rotatably connected to the bottom end of the outer wall of the fixed rod (369) through a bearing.

7. A high-stability binary refrigeration compressor unit according to claim 6, characterized in that: The auxiliary heat exchange component (4) comprises: A frame base (41) installed in the inner cavity of the second installation groove (23); Guide rails (42), the number of the guide rails (42) is two, and the two guide rails (42) are respectively arranged on the right sides of the front and rear ends of the inner side of the frame base (41) along the left-right direction; A third mounting groove (43), wherein the number of the third mounting grooves (43) is two, and the two third mounting grooves (43) are respectively arranged at the front and rear ends of the left side of the top end of the frame base (41); A pushing unit (44) is installed at the inner right end of the frame base (41); The synchronous moving unit (45) is arranged in the inner cavity of the two left and right third installation grooves (43).

8. A high-stability binary refrigeration compressor unit according to claim 7, characterized in that: The pushing unit (44) comprises: A truss (441) is arranged on the inner side of the two front and rear guide rails (42) along the front-rear direction; Roller seats (442), the number of the roller seats (442) is two, the two roller seats (442) are respectively installed on the front and rear sides of the truss (441), and the front and rear two roller seats (442) are respectively in contact with the outside of the front and rear two guide rails (42); Track frames (443), the number of the track frames (443) is two, and the two track frames (443) are respectively installed on the right side of the truss (441) and the right side of the inner cavity of the frame base (41); The scissor-type electric folding frame (444) is installed on the inner sides of the left and right track frames (443).

9. A high-stability binary refrigeration compressor unit according to claim 8, characterized in that: The synchronous movement unit (45) comprises: Mounting seats (451), the number of the mounting seats (451) being two groups, the number of the mounting seats (451) in each group being two, and the two groups of mounting seats (451) being respectively mounted on the left and right sides of the bottom ends of the inner cavities of the front and rear third mounting grooves (43); A guide rail frame (452), wherein the number of the guide rail frames (452) is two, and the two guide rail frames (452) are respectively installed on the inner sides of the front and rear groups of mounting seats (451) along the left and right directions; Limiting slide blocks (453), the number of the limiting slide blocks (453) is two, and the two groups of limiting slide blocks (453) are respectively sleeved on the left and right sides of the exterior of the two guide rail frames (452); Pulley seats (454), the number of the pulley seats (454) is two groups, the number of the pulley seats (454) in each group is two, and the two groups of pulley seats (454) are respectively installed in the middle of the left and right ends of the inner sides of the front and rear groups of mounting seats (451); Belts (455), the number of the belts (455) is two, the two belts (455) are respectively sleeved on the outside of the two groups of pulley seats (454) in the left-right direction, and the outer tops of the two belts (455) are respectively connected to the front and rear groups of limit sliders (453); A rotating seat (456), wherein the number of the rotating seats (456) is two, and the two rotating seats (456) are respectively arranged on the inner sides of the front and rear groups of limiting sliding blocks (453); The mounting frame (457) is rotatably connected to the inner sides of the front and rear rotating seats (456) via a rotating shaft; A fan (458) is arranged on the inner side of the mounting frame (457); An electric telescopic rod (459), wherein the number of the electric telescopic rods (459) is two, and the two electric telescopic rods (459) are rotatably mounted on the front and rear ends of the right side of the inner cavity of the frame base (41) through a rotating shaft seat, and the other ends of the two electric telescopic rods (459) are respectively connected to the front and rear ends of the right side of the mounting frame (457) through the rotating shaft seat; The second motor (4510) is provided with two second motors (4510), and the two second motors (4510) are respectively arranged on the inner side of the right side mounting seat (451) in the front and rear groups, and the rotating ends of the two second motors (4510) are respectively connected to the axis of the right side pulley seat (454) in the front and rear groups.

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