CN112747488A

CN112747488A - Central air-conditioning refrigeration compression device capable of adjusting refrigerant consumption according to temperature

Info

Publication number: CN112747488A
Application number: CN202110189804.0A
Authority: CN
Inventors: 周美忠
Original assignee: Hechang Guangzhou Furniture Co ltd
Current assignee: Hechang Guangzhou Furniture Co ltd
Priority date: 2021-02-18
Filing date: 2021-02-18
Publication date: 2021-05-04

Abstract

The invention relates to the technical field of central air-conditioning refrigeration equipment, and discloses a central air-conditioning refrigeration compression device capable of adjusting the consumption of a refrigerant according to temperature. This can be according to central air conditioning refrigeration compressor arrangement of temperature regulation refrigerant quantity, drive two pistons synchronous opposition or opposite phase opposite movement in same compression chamber through the eccentric wheel, need not higher rotational speed and can reach great pressure, the energy resource consumption of equipment has significantly reduced, the friction between piston and the compression chamber reduces simultaneously, the high temperature of having avoided causing because high-speed motion has improved the life of equipment to a certain extent, and can be according to the flow of different temperature automatically regulated refrigerant, the waste of refrigerant has been reduced, avoided simultaneously because the refrigerant dosage is many the pressure that causes is little, the refrigeration effect of very big improvement equipment.

Description

Central air-conditioning refrigeration compression device capable of adjusting refrigerant consumption according to temperature

Technical Field

The invention relates to the technical field of central air-conditioning refrigeration equipment, in particular to a central air-conditioning refrigeration compression device capable of adjusting the consumption of a refrigerant according to temperature.

Background

The central air conditioner mostly depends on a compressor to increase the refrigeration pressure so as to realize refrigeration circulation, mainly comprises the compressor, a condenser, a refrigeration heat exchanger, an expander or a throttling mechanism and some auxiliary equipment, utilizes some substance refrigerants capable of emitting or absorbing a large amount of heat during liquefaction or gasification, compresses the substance refrigerants by a mechanical method to increase the pressure and the temperature, and reduces the temperature and the pressure so as to lead the refrigerants to be repeatedly liquefied and gasified to achieve the refrigeration machinery.

The piston in the existing compressor completely depends on the eccentric wheel to rotate, so that the compressor piston can realize pressurization in reciprocating motion, but the reciprocating motion stroke of the piston is shorter only through the diameter of the eccentric wheel, the eccentric wheel needs to be rotated at high speed when larger pressure is obtained, energy is consumed, the friction between the piston and a compression cavity can be increased by long-time reciprocating motion, the compression space can be enlarged, the pressure is reduced, so that the refrigeration effect is poor, the quantity of refrigerant possibly required by different temperatures is different, the proportion of the refrigerant and gas can be reduced when the pressure is not proper, the refrigeration effect is poor while the refrigerant is wasted, and therefore the central air-conditioning refrigeration compression device capable of adjusting the using quantity of the refrigerant according to the temperature is provided to solve the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the refrigeration compression device of the central air conditioner, which can adjust the using amount of the refrigerant according to the temperature, has the advantages of energy conservation, good refrigeration effect, high pressure and friction reduction, and solves the problems of high energy consumption, poor refrigeration effect, low pressure and high friction.

(II) technical scheme

In order to achieve the purposes of energy conservation, good refrigeration effect, large pressure and friction reduction, the invention provides the following technical scheme: a central air-conditioning refrigeration compression device capable of adjusting the using amount of a refrigerant according to temperature comprises a machine body, wherein a belt wheel is rotatably connected inside the machine body, a belt is slidably connected to the outer side of the belt wheel, an eccentric wheel is rotatably connected to the front side of the belt wheel, a connecting rod is hinged to the front side of the eccentric wheel, a piston is hinged to one end, away from the eccentric wheel, of the connecting rod, a compression cavity is slidably connected to the outer side of the piston, an air inlet is fixedly installed on the front side of the compression cavity, a sliding rod is slidably connected to the inner wall of the compression cavity, a stop block is fixedly installed at one end, away from the compression cavity, of the sliding rod, a tension spring is fixedly installed at the outer side of the sliding rod, a shell is fixedly installed at one side, close to the belt, of the shell, a through ring, one end fixed mounting that adjusting spring was kept away from to the adjusting ball has branch, the one end fixed mounting that adjusting ball was kept away from to branch has the diaphragm, one side fixed mounting that the casing was kept away from in the compression chamber has the connecting pipe, the positive fixed mounting of connecting pipe has the liquid outlet.

Preferably, the belt pulleys are three and have the same specification and are distributed in a triangular shape, and the belts are respectively connected with the outer sides of the three belt pulleys in a sliding mode.

Preferably, the eccentric wheel and the connecting rod are all provided with three parts and have the same specification, wherein the eccentric wheel is positioned on the front face of the belt wheel and fixedly connected with the belt wheel, one end of the connecting rod is hinged with the eccentric wheel, the other end of the connecting rod is hinged with the piston, the eccentric wheel is hinged with the piston, and two adjacent pistons are positioned on the same straight line.

Preferably, the compression chamber is provided with three and the specification is the same altogether, with the positive fixed connection of organism, inside and two adjacent piston sliding connection, the positive fixed mounting in compression chamber has the air inlet, the equal sliding connection in both sides between two pistons has the slide bar, wherein the dog that is close to organism inner wall one side is located the compression chamber inside, and the dog of opposite side is located the compression chamber outside, extension spring one end and dog fixed connection, the other end and compression chamber fixed connection.

Preferably, the shell is provided with three holes with the same specification, one hole is fixedly connected with one side, close to the machine body, of the compression cavity, the other hole is vertical to and the same as the compression cavity, and the through ring is positioned in the vertical hole and is hollow in the middle.

Preferably, adjusting spring, adjusting ball, branch and diaphragm all are provided with three and the specification is the same, wherein adjusting spring one end and logical ring fixed connection, and the other end and adjusting ball fixed connection, the diaphragm is heated the inflation.

Preferably, the connecting pipe is respectively and fixedly connected with the three compression cavities and is located at the center of the machine body, and the liquid outlet is fixedly installed on the front face of the connecting pipe and is mutually connected with the condenser.

(III) advantageous effects

Compared with the prior art, the invention provides a central air-conditioning refrigeration compression device capable of adjusting the consumption of refrigerant according to temperature, which has the following beneficial effects:

this can be according to central air conditioning refrigeration compressor arrangement of temperature regulation refrigerant quantity, drive two pistons synchronous opposition or opposite phase opposite movement in same compression chamber through the eccentric wheel, need not higher rotational speed and can reach great pressure, the energy resource consumption of equipment has significantly reduced, the friction between piston and the compression chamber reduces simultaneously, the high temperature of having avoided causing because high-speed motion has improved the life of equipment to a certain extent, and can be according to the flow of different temperature automatically regulated refrigerant, the waste of refrigerant has been reduced, avoided simultaneously because the refrigerant dosage is many the pressure that causes is little, the refrigeration effect of very big improvement equipment.

Drawings

FIG. 1 is a schematic view showing the connection of the structures of the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A according to the present invention;

FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention.

In the figure: 1. a body; 2. a pulley; 3. a belt; 4. an eccentric wheel; 5. a connecting rod; 6. a piston; 7. a compression chamber; 8. an air inlet; 9. a slide bar; 10. a stopper; 11. a tension spring; 12. a housing; 13. opening a ring; 14. adjusting the spring; 15. adjusting the ball; 16. a strut; 17. a membrane; 18. a connecting pipe; 19. and a liquid outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a central air-conditioning refrigeration compressor capable of adjusting the amount of refrigerant according to temperature comprises a machine body 1, a belt wheel 2 is rotatably connected inside the machine body 1, a belt 3 is slidably connected outside the belt wheel 2, the belt wheel 2 is provided with three belts of the same size and in triangular distribution, the belts 3 are respectively slidably connected outside the three belt wheels 2, an eccentric wheel 4 is rotatably connected on the front side of the belt wheel 2, a connecting rod 5 is hinged on the front side of the eccentric wheel 4, a piston 6 is hinged on one end of the connecting rod 5 far away from the eccentric wheel 4, the eccentric wheel 4 and the connecting rod 5 are provided with three belts of the same, wherein the eccentric wheel 4 is positioned on the front surface of the belt wheel 2 and is fixedly connected with the belt wheel 2, one end of the connecting rod 5 is hinged with the eccentric wheel 4, the other end is hinged with the piston 6, meanwhile, the eccentric wheel 4 is hinged with the piston 6, and two adjacent pistons 6 are positioned on the same straight line,

the outer side of a piston 6 is slidably connected with a compression chamber 7, the front of the compression chamber 7 is fixedly provided with an air inlet 8, the inner wall of the compression chamber 7 is slidably connected with a slide bar 9, one end of the slide bar 9 far away from the compression chamber 7 is fixedly provided with a stop block 10, the outer side of the slide bar 9 is fixedly provided with a tension spring 11, the compression chamber 7 is provided with three and has the same specification, the three ends are fixedly connected with the front of a machine body 1, the inner part is slidably connected with two adjacent pistons 6, the front of the compression chamber 7 is fixedly provided with the air inlet 8, two sides between the two pistons 6 are both slidably connected with the slide bar 9, wherein the stop block 10 close to one side of the inner wall of the machine body 1 is positioned in the compression chamber 7, the stop block 10 at the other side is positioned outside the compression chamber 7, one end of the tension spring 11 is fixedly connected with, the high pressure can be reached without high rotating speed, the energy consumption of the equipment is greatly reduced, meanwhile, the friction between the piston 6 and the compression cavity 7 is reduced, the overhigh temperature caused by high-speed movement is avoided, the service life of the equipment is prolonged to a certain extent, the flow of the refrigerant can be automatically adjusted according to different temperatures, the waste of the refrigerant is reduced, the low pressure caused by the large amount of the refrigerant is avoided, and the refrigeration effect of the equipment is greatly improved;

a shell 12 is fixedly installed on one side of the compression cavity 7 close to the belt 3, a through ring 13 is fixedly installed inside the shell 12, the shell 12 is provided with three holes with the same specification, the holes are formed inside, one hole is fixedly connected with one side of the compression cavity 7 close to the machine body 1, the other hole is vertical to and the same as the hole, the through ring 13 is positioned inside the vertical hole and is hollow, an adjusting spring 14 is fixedly installed on one side of the through ring 13 close to the shell 12, an adjusting ball 15 is fixedly installed at one end of the adjusting spring 14 far away from the through ring 13, a support rod 16 is fixedly installed at one end of the adjusting ball 15 far away from the adjusting spring 14, a diaphragm 17 is fixedly installed at one end of the support rod 16 far away from the adjusting ball 15, the adjusting spring 14, the adjusting ball 15, the support rod 16 and the diaphragm 17 are all provided with three holes with the same specification, wherein one end of the adjusting, the diaphragm 17 is heated and expanded, one side of the compression cavity 7 far away from the shell 12 is fixedly provided with a connecting pipe 18, the front of the connecting pipe 18 is fixedly provided with a liquid outlet 19, the connecting pipe 18 is fixedly connected with the three compression cavities 7 respectively and is positioned at the central position of the machine body 1, and the liquid outlet 19 is fixedly arranged on the front of the connecting pipe 18 and is connected with the condenser.

When the equipment works, the belt wheel 2 starts to rotate, the outer sides of the belt wheels 2 are mutually connected through the belt 3, the eccentric wheel 4 is positioned on the front side of the belt wheel 2 and is fixedly connected with the belt wheel 2, namely the belt wheel 2 rotates to drive the eccentric wheel 4 to synchronously rotate, one end of the connecting rod 5 is hinged with the eccentric wheel 4, the other end of the connecting rod is hinged with the piston 6, meanwhile, the eccentric wheel 4 is hinged with the piston 6, two adjacent pistons 6 are positioned on the same straight line, and the two adjacent pistons 6 are in sliding connection with the same compression cavity 7, namely, the eccentric wheel 4 rotates to drive the two pistons 6 in the same compression cavity 7 to synchronously and relatively move

When the pistons 6 move in opposite directions, because the front of the compression cavity 7 is fixedly provided with the air inlet 8, two sides between the two pistons 6 are both connected with the slide rod 9 in a sliding way, the stop block 10 close to one side of the inner wall of the machine body 1 is positioned inside the compression cavity 7, the stop block 10 at the other side is positioned outside the compression cavity 7, one end of the tension spring 11 is fixedly connected with the stop block 10, the other end is fixedly connected with the compression cavity 7, namely, gas and refrigerant enter the compression cavity 7 under the action of pressure intensity at the moment, and meanwhile, the stop block 10 at one side of the liquid outlet 19 is matched with the compression cavity 7 in a;

when the piston 6 moves relatively, the principle is the same as the principle, the working process is opposite, liquid in the compression cavity 7 enters the connecting pipe 18 after being compressed, the liquid enters the condenser to work next step, meanwhile, when the temperature is not high, the diaphragm 17 expands due to heat, the supporting rod 16 is driven to move downwards, the gap between the adjusting ball 15 and the inner hole of the shell 12 is enlarged, the flow of refrigerant is increased at the moment, and the stable refrigeration is ensured.

In conclusion, the central air-conditioning refrigeration compression device capable of adjusting the using amount of the refrigerant according to the temperature drives the two pistons 6 in the same compression cavity 7 to synchronously move relatively or oppositely move relatively through the eccentric wheel 4, so that the higher pressure can be reached without a higher rotating speed, the energy consumption of the equipment is greatly reduced, meanwhile, the friction between the pistons 6 and the compression cavity 7 is reduced, the overhigh temperature caused by high-speed movement is avoided, the service life of the equipment is prolonged to a certain extent, the flow of the refrigerant can be automatically adjusted according to different temperatures, the waste of the refrigerant is reduced, meanwhile, the small pressure caused by the large amount of the refrigerant is avoided, and the refrigeration effect of the equipment is greatly improved.

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

Claims

1. The utility model provides a can be according to central air conditioning refrigeration compressor arrangement of temperature control refrigerant quantity, includes organism (1), its characterized in that: the novel belt conveyor is characterized in that a belt wheel (2) is connected to the interior of the machine body (1) in a rotating manner, a belt (3) is connected to the outer side of the belt wheel (2) in a sliding manner, an eccentric wheel (4) is connected to the front of the belt wheel (2) in a rotating manner, a connecting rod (5) is hinged to the front of the eccentric wheel (4), a piston (6) is hinged to one end, away from the eccentric wheel (4), of the connecting rod (5), a compression chamber (7) is connected to the outer side of the piston (6) in a sliding manner, an air inlet (8) is fixedly installed on the front of the compression chamber (7), a sliding rod (9) is connected to the inner wall of the compression chamber (7) in a sliding manner, a stop block (10) is fixedly installed at one end, away from the compression chamber (7), of the sliding rod (9), a tension spring (11) is fixedly installed on, lead to ring (13) and be close to one side fixed mounting who is close to casing (12) have adjusting spring (14), adjusting spring (14) are kept away from the one end fixed mounting who leads to ring (13) and are adjusted ball (15), the one end fixed mounting who keeps away from adjusting spring (14) is kept away from adjusting ball (15) has branch (16), the one end fixed mounting who keeps away from adjusting ball (15) in branch (16) has diaphragm (17), one side fixed mounting who keeps away from casing (12) in compression chamber (7) has connecting pipe (18), the positive fixed mounting of connecting pipe (18) has liquid outlet (19).

2. A central air conditioning refrigeration compressor unit capable of regulating refrigerant dosage according to temperature as claimed in claim 1, characterized in that: the belt wheels (2) are three and have the same specification and are distributed in a triangular mode, and the belt (3) is connected with the outer sides of the three belt wheels (2) in a sliding mode respectively.

3. A central air conditioning refrigeration compressor unit capable of regulating refrigerant dosage according to temperature as claimed in claim 1, characterized in that: the eccentric wheel (4) and the connecting rod (5) are all provided with three parts and have the same specification, wherein the eccentric wheel (4) is positioned on the front face of the belt wheel (2) and is fixedly connected with the belt wheel (2), one end of the connecting rod (5) is hinged with the eccentric wheel (4), the other end of the connecting rod is hinged with the piston (6), the eccentric wheel (4) is hinged with the piston (6), and the two adjacent pistons (6) are positioned on the same straight line.

4. A central air conditioning refrigeration compressor unit capable of regulating refrigerant dosage according to temperature as claimed in claim 1, characterized in that: compression chamber (7) are provided with three and the specification is the same altogether, with organism (1) front fixed connection, inside and two adjacent piston (6) sliding connection, the positive fixed mounting of compression chamber (7) has air inlet (8), the equal sliding connection in both sides between two piston (6) has slide bar (9), wherein dog (10) that is close to organism (1) inner wall one side is located inside compression chamber (7), dog (10) of opposite side is located the compression chamber (7) outside, extension spring (11) one end and dog (10) fixed connection, the other end and compression chamber (7) fixed connection.

5. A central air conditioning refrigeration compressor unit capable of regulating refrigerant dosage according to temperature as claimed in claim 1, characterized in that: the shell (12) is provided with three same specifications, holes are formed in the shell, one hole is fixedly connected with one side, close to the machine body (1), of the compression cavity (7), the other hole is perpendicular to and the same as the compression cavity, and the through ring (13) is located in the vertical hole and is hollow in the middle.

6. A central air conditioning refrigeration compressor unit capable of regulating refrigerant dosage according to temperature as claimed in claim 1, characterized in that: adjusting spring (14), adjusting ball (15), branch (16) and diaphragm (17) all are provided with three and the specification is the same, wherein adjusting spring (14) one end and lead to ring (13) fixed connection, and the other end and adjusting ball (15) fixed connection, and diaphragm (17) thermal expansion.

7. A central air conditioning refrigeration compressor unit capable of regulating refrigerant dosage according to temperature as claimed in claim 1, characterized in that: the connecting pipes (18) are respectively and fixedly connected with the three compression cavities (7) and are positioned at the central position of the machine body (1), and the liquid outlet (19) is fixedly arranged on the front surface of the connecting pipes (18) and is mutually connected with the condenser.