CN210660577U

CN210660577U - Single-heating type screw air source heat pump compressor

Info

Publication number: CN210660577U
Application number: CN201921535515.6U
Authority: CN
Inventors: 盛昌国
Original assignee: Denair Energy Equipment Co Ltd
Current assignee: Denair Energy Equipment Co Ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-06-02
Anticipated expiration: 2029-09-16

Abstract

The utility model belongs to the technical field of the compressor, especially, single hot type screw air source heat pump compressor, including inner shell, single screw rod and the star gear with single screw rod meshing, the inside of shell is provided with the inner shell, and both are the cavity structure, install the motor on the inner wall of inner shell, and the output shaft of motor is fixed mutually with the one end of single screw rod, the outer wall both sides of inner shell are connected with breathing pipe and blast pipe respectively, one side that the inner shell is close to the breathing pipe is provided with the filter screen, and the both sides of filter screen all install the slider, two sliders are all slidable mounting in the inside of spout, two spouts are all seted up in the inner wall both sides of inner shell, one side that the; compact structure, reasonable in design is convenient for filter gas, avoids dust and impurity to enter into the thread groove and causes the wearing and tearing of single screw rod and star gear, has still realized simultaneously avoiding the waste of resource to thermal recovery, and the practicality is strong, is fit for promoting.

Description

Single-heating type screw air source heat pump compressor

Technical Field

The utility model relates to a compressor field especially relates to a single hot type screw rod air source heat pump compressor.

Background

An air source heat pump is an energy-saving device which utilizes high-level energy to enable heat to flow from low-level heat source air to a high-level heat source. It is a form of heat pump. As the name suggests, the heat pump is just like a pump, and can convert low-level heat energy which cannot be directly utilized into high-level heat energy which can be utilized, thereby saving part of high-level energy.

Present single hot type screw air source heat pump compressor is when using, directly inhales the intracavity of breathing in with gas, and get into the thread groove through the chamber of breathing in, and have some dust and particle impurity in the gas, if not filter process, in dust and particle impurity enter into the thread groove, collide easily with the inner wall of thread groove or between the star gear tooth, thereby the life of compressor has been reduced, the compressor is after using simultaneously, can't realize thermal collection, cause the waste of resource, certain limitation exists during the use.

In order to solve the problems, the application provides a single-heating type screw air source heat pump compressor.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a single hot type screw rod air source heat pump compressor, compact structure, reasonable in design is convenient for filter gas, avoids dust and impurity to enter into the thread groove and causes the characteristics of the wearing and tearing of single screw rod and star gear.

(II) technical scheme

In order to solve the problems, the utility model provides a single-heating screw air source heat pump compressor, which comprises an inner shell, an outer shell, a single screw and a star wheel meshed with the single screw, wherein the inner shell is arranged in the outer shell and is of a cavity structure, a motor is arranged on the inner wall of the inner shell, an output shaft of the motor is fixed with one end of the single screw, both sides of the outer wall of the inner shell are respectively connected with an air suction pipe and an exhaust pipe, one side of the inner shell, which is close to the air suction pipe, is provided with a filter screen, both sides of the filter screen are provided with slide blocks, both slide blocks are arranged in the slide grooves in a sliding way, both slide grooves are arranged on both sides of the inner wall of the inner shell, one side of the filter screen, which is far from the air suction pipe, is welded with one end of, and a valve is arranged on the dust exhaust pipe, the bottom end of the dust exhaust pipe is connected with a dust collection box in a threaded manner, an opening is formed in one side, close to the dust collection box, of the shell, and a cover plate is hinged to the opening.

Preferably, two groups of heat-conducting fins are respectively installed on two sides of the outer wall of the inner shell, heat-collecting covers are arranged outside the two groups of heat-conducting fins, the two groups of heat-collecting covers are connected through a gas pipe, and the side faces of the heat-collecting covers are fixed to the outer wall of the inner shell.

Preferably, one side of the inner top wall of the shell, which is close to the air suction pipe, is provided with an air suction fan through a locking bolt, the two sides of the air suction fan are respectively connected with an air inlet pipe and an air outlet pipe, one end, far away from the air suction fan, of the air inlet pipe is fixed with the inner wall of the heat collection cover, one end, far away from the air suction fan, of the air outlet pipe extends to the outside of the shell, and a first gas valve is installed.

Preferably, the bottom of the dust collecting box is movably arranged with the inner bottom wall of the shell, and the length of the opening of the shell is larger than the height of the dust collecting box.

Preferably, the outer portion of the star wheel is provided with a mounting seat in a matched mode, and the mounting seat is fixed to the outer wall of the inner shell.

Preferably, the two sides of the inner shell are both fixed with connecting blocks, and the inner shell and the outer shell are installed through the connecting blocks.

Preferably, the shell comprises a plurality of heat insulating plates, and the plurality of heat insulating plates are made of rock wool.

The above technical scheme of the utility model has following profitable technological effect:

1. when gas enters the inner shell through the air suction pipe, the filter screen filters dust and impurities in the sucked gas, the gas drives the filter screen to slide leftwards and extrude the spring, so that the filtering time is prolonged, the dust in the gas can be effectively filtered, the filtering effect is improved, the abrasion of a single screw and a star wheel caused by the dust and the impurities entering a thread groove is avoided, and the service life of internal parts of the compressor is prolonged;

2. the heat on the two groups of heat-conducting fins enters the air inlet pipe and is discharged through the air outlet pipe by arranging the outer shell, the inner shell, the heat-conducting fins, the heat collection cover, the connecting pipe and the air suction fan, so that the heat is recycled, the service life of the compressor is effectively prolonged, the waste of resources is avoided, and the practicability is high;

to sum up, this use novel compact structure, reasonable in design is convenient for filter gas, avoids dust and impurity to enter into the thread groove and causes the wearing and tearing of single screw rod and star gear, has still realized the thermal recovery simultaneously, avoids the waste of resource, and the practicality is strong, is fit for promoting.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of the present invention;

FIG. 3 is an enlarged schematic view of the structure at B of the present invention;

reference numerals:

1. an inner shell; 2. a single screw; 3. a housing; 4. a motor; 5. a star wheel; 6. an exhaust pipe; 7. an air intake duct; 8. a mounting seat; 9. a limiting block; 10. a spring; 11. a filter screen; 12. a slider; 13. a chute; 14. a heat conductive sheet; 15. a dust exhaust pipe; 16. a dust collecting box; 17. a cover plate, 18 heat collecting covers; 19. an air suction fan.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the utility model provides a single-heating screw air source heat pump compressor, including inner shell 1, outer shell 3, single screw rod 2 and star gear 5 meshed with single screw rod 2, the inside of outer shell 3 is provided with inner shell 1, and both are cavity structures, install motor 4 on the inner wall of inner shell 1 through locking bolt, and the output shaft of motor 4 is fixed mutually with one end of single screw rod 2, the outer wall both sides of inner shell 1 are fixedly connected with breathing pipe 7 and blast pipe 6 respectively, one side that inner shell 1 is close to breathing pipe 7 is provided with filter screen 11, and both sides of filter screen 11 are all fixedly mounted with slider 12, two slider 12 are all slidably mounted in the inside of spout 13, two spout 13 are all seted up in the inner wall both sides of inner shell 1, one side welding that filter screen 11 keeps away from breathing pipe 7 has the one end of a set of spring 10, the other end of the spring 10 is fixedly connected with a limiting block 9, one side of the inner wall of the inner shell 1, which is close to the air suction pipe 7, is fixedly connected with a dust exhaust pipe 15, a valve is arranged on the dust exhaust pipe 15 in a matching way, the bottom end of the dust exhaust pipe 15 is connected with a dust collection box 16 in a threaded way, one side of the outer shell 3, which is close to the dust collection box 16, is provided with an opening, the opening is hinged with a cover plate 17, the bottom of the cover plate 17 is fixed with the outer shell 3 through a locking bolt, two groups of heat conducting fins 14 are respectively arranged on two sides of the outer wall of the inner shell 1, heat collection covers 18 are respectively arranged outside the two groups of heat collection covers 18, the side surfaces of the heat collection covers 18 are fixed with the outer wall of the inner shell 1, one side of the inner top wall of the outer shell 3, which, and the intake pipe is kept away from the one end of breathing in fan 19 and is fixed mutually with the inner wall of thermal-arrest cover 18, and the one end that the outlet duct kept away from breathing in fan 19 extends to the outside of shell 3 to install first gas valve, the bottom of dust collection box 16 sets up with the interior diapire activity of shell 3, and the open-ended length of shell 3 is greater than the height of dust collection box 16, mount pad 8 is installed in the external fit of star gear 5, and mount pad 8 is fixed mutually with the outer wall of inner shell 1, the both sides of inner shell 1 all are fixed with the connecting block, and install mutually through the connecting block between inner shell 1 and the shell 3.

In this embodiment, it should be noted that the air suction pipe 7 is located above the air discharge pipe 6, one side of the air suction pipe 7, which is far away from the air discharge pipe 6, extends to the outside of the housing 3, and the second air valve is installed in a matching manner, a controller is fixedly installed on one side of the top of the housing 3, the controller adopts a stc89c52 single chip microcomputer with the model number, the controller is sequentially connected with the first air valve, the second air valve, the motor 4 and the air suction fan 19 through wires, and the motor 4 adopts a servo motor with the model number YE 2-112M-4.

In the utility model, when gas enters the inner part of the inner shell 1 through the air suction pipe 7, the filter screen 11 filters dust and impurities in the sucked gas, the gas drives the filter screen 11 to slide leftwards and extrude the spring 10, thereby prolonging the filtering time, the dust in the gas can be effectively filtered, the filtering effect is improved, the dust and impurities are prevented from entering the thread groove, the abrasion of the single screw rod 2 and the star wheel 5 is caused, the service life of the internal parts of the compressor is prolonged, when the compressor stops sucking, the filter screen 11 moves rightwards under the tension action of the spring 10, meanwhile, the filter screen 11 vibrates, the valve on the dust exhaust pipe 15 is opened, the dust on the filter screen 11 enters the inner part of the dust collection box 16 through 15, and the dust collected in the dust collection box 16 can be treated by opening the cover plate 17, the dust is prevented from remaining in the compressor, the normal operation of the compressor is influenced, when the compressor stops working, heat on the inner shell 1 is transferred to the two groups of heat-conducting fins 14, the two heat collecting covers 18 are communicated through the connecting pipe, the two heat collecting covers suck heat on the two groups of heat-conducting fins 14 into the air inlet pipe by starting the air suction fan 19 to work, and the heat is discharged through the air outlet pipe.

as shown in fig. 2 and 3, the bottom of the stopper 9 is fixed to the inner wall of the inner housing 1, and the length of the spring 10 is greater than the length of the sliding groove 13.

It should be noted that the heat-conducting fins 14 are perpendicular to the inner casing 1, and the number of each group of heat-conducting fins 14 is four to twenty.

The working principle is as follows: a single screw rod 2 and two plane star wheels 5 which are symmetrically arranged form a meshing pair and are arranged in an inner shell 1, a spiral groove is equidistantly arranged on the single screw rod 2, a mounting seat 8, a closed volume is formed by the inner shell 1 and star wheel teeth, when a motor 4 works, power is transmitted to the shaft of the single screw rod 2, the star wheels 5 are driven to rotate by the single screw rod 2, gas enters the spiral groove from an air suction pipe 7 and is discharged through an exhaust pipe 6 after being compressed, when the star wheel teeth relatively move in the spiral groove, the closed volume is gradually reduced, the gas is compressed, when the motor works, the gas enters the inner shell 1 through the air suction pipe 7, the filter screen 11 filters dust and impurities in the sucked gas, the gas drives the filter screen 11 to slide leftwards and extrudes a spring 10, so that the filtering time is prolonged, the dust in the gas can be effectively filtered, the filtering effect is improved, and the dust and impurities are prevented from entering the spiral groove, the abrasion of the single screw rod 2 and the star wheel 5 is caused, the service life of internal parts of the compressor is prolonged, when the compressor stops air suction, the filter screen 11 moves rightwards under the tension action of the spring 10, simultaneously the filter screen 11 vibrates, the valve on the dust exhaust pipe 15 is opened, so that dust on the filter screen 11 enters the dust collection box 16 through the valve 15, the dust collected in the dust collection box 16 can be processed by opening the cover plate 17, the dust is prevented from remaining in the compressor and affecting the normal operation of the compressor, when the compressor stops working, the heat on the inner shell 1 is transferred to the two groups of heat conducting fins 14, the two heat collecting covers 18 are communicated through the connecting pipe, the heat on the two groups of heat conducting fins 14 is sucked into the air inlet pipe and exhausted through the air outlet pipe, the recycling of the heat is realized, and the service life of the compressor is effectively prolonged, avoid the waste of resource, the practicality is strong.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A single-heat type screw air source heat pump compressor comprises an inner shell (1), an outer shell (3), a single screw (2) and a star wheel (5) meshed with the single screw (2), wherein the inner shell (1) is arranged inside the outer shell (3) and is of a cavity structure, a motor (4) is installed on the inner wall of the inner shell (1), an output shaft of the motor (4) is fixed to one end of the single screw (2), the single-heat type screw air source heat pump compressor is characterized in that two sides of the outer wall of the inner shell (1) are respectively connected with an air suction pipe (7) and an exhaust pipe (6), a filter screen (11) is arranged on one side, close to the air suction pipe (7), of the inner shell (1), slide blocks (12) are installed on two sides of the filter screen (11), the slide blocks (12) are installed inside slide grooves (13) in a sliding mode, the slide grooves (13, one side welding that breathing pipe (7) was kept away from in filter screen (11) has the one end of a set of spring (10), and the other end fixedly connected with stopper (9) of spring (10), one side fixedly connected with dust exhaust pipe (15) that the inner wall of inner shell (1) is close to breathing pipe (7), and installs the valve on dust exhaust pipe (15), the bottom threaded connection of dust exhaust pipe (15) has dust collection box (16), one side that shell (3) are close to dust collection box (16) is equipped with the opening, and it has apron (17) to articulate on the opening.

2. The compressor of claim 1, wherein two sets of heat conducting fins (14) are respectively installed on two sides of the outer wall of the inner shell (1), heat collecting covers (18) are respectively installed outside the two sets of heat conducting fins (14), the two sets of heat collecting covers (18) are connected through a gas pipe, and the side surface of each heat collecting cover (18) is fixed with the outer wall of the inner shell (1).

3. The compressor of claim 2, wherein a suction fan (19) is installed on one side of the inner top wall of the shell (3) close to the suction pipe (7) through a locking bolt, an air inlet pipe and an air outlet pipe are respectively connected to two sides of the suction fan (19), one end of the air inlet pipe, far away from the suction fan (19), is fixed to the inner wall of the heat collecting cover (18), and one end of the air outlet pipe, far away from the suction fan (19), extends to the outside of the shell (3) and is provided with a first gas valve.

4. The compressor of claim 1, wherein the bottom of the dust box (16) is movably arranged with the inner bottom wall of the housing (3), and the length of the opening of the housing (3) is greater than the height of the dust box (16).

5. The compressor of the single-heat type screw air source heat pump as claimed in claim 1, wherein the star wheel (5) is externally provided with a mounting seat (8) in a matching way, and the mounting seat (8) is fixed with the outer wall of the inner shell (1).

6. The compressor of claim 1, wherein connecting blocks are fixed on both sides of the inner shell (1), and the inner shell (1) and the outer shell (3) are installed through the connecting blocks.

7. The compressor of claim 1, wherein the housing (3) is made of a plurality of heat insulation boards, and the heat insulation boards are made of rock wool.