CN115822967A

CN115822967A - Screw air compressor with cooling system

Info

Publication number: CN115822967A
Application number: CN202211675434.2A
Authority: CN
Inventors: 谢存; 黄�俊; 赵剑; 王明
Original assignee: Zhejiang Zhigao Machinery Co ltd
Current assignee: Zhejiang Zhigao Machinery Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-03-21
Anticipated expiration: 2042-12-26
Also published as: CN115822967B

Abstract

The invention relates to the technical field of heat dissipation of screw air compressors, in particular to a screw air compressor with a cooling system, which comprises a bottom plate, wherein an air compressor assembly is fixed on the top surface of the bottom plate, the air compressor assembly comprises an air compressor body, an oil cavity is formed in one end of the air compressor body, and two male and female screw shafts are rotatably connected inside the air compressor body. According to the invention, water in the first water collecting tank is filled in the male and female screw shafts by adjusting the position of the water level adjusting plate, so that the temperature of the inside of the air compressor assembly is reduced, meanwhile, water in the second water collecting tank drops on the sponge body to wet the sponge body, wind is blown to the outside of the air compressor assembly through the sponge body by means of rotation of the fan blades, the outside of the air compressor assembly is cooled, water bath cooling and air cooling are combined together, the inside and the outside of the air compressor assembly are cooled simultaneously, and the improvement of the heat dissipation effect of the air compressor assembly is facilitated.

Description

Screw air compressor with cooling system

Technical Field

The invention relates to the technical field of heat dissipation of screw air compressors, in particular to a screw air compressor with a cooling system.

Background

The double-screw air compressor is rotated by means of two female screws and male screws which are meshed with each other, electric energy is converted into mechanical energy, then the mechanical energy is converted into high pressure to compress air, in the process of converting the mechanical energy into the high pressure compressed air, a large amount of heat generated by adjustment and rotation of the screws of the air compressor is taken out of the machine body through lubricating oil of an oil cavity, meanwhile, a water cavity is generally arranged inside a machine shell to assist heat dissipation, and finally the heat is dissipated in an air cooling or water cooling mode.

Disclosure of Invention

In order to overcome the technical problems, the invention aims to provide a screw air compressor with a cooling system, a first water collecting tank and a second water collecting tank are arranged, a radiator is arranged between the first water collecting tank and the second water collecting tank, water in the first water collecting tank flows between the radiator and the second water collecting tank in a circulating mode through a water pump, heat absorbed by the water can be released quickly and continuously for later use, the water in the first water collecting tank is filled in male and female screw shafts through adjusting the position of a water level adjusting plate, the internal cooling of the air compressor assembly is realized, meanwhile, water in the second water collecting tank falls on a sponge body to wet the sponge body, wind is blown to the external of the air compressor assembly through the sponge body by means of the rotation of fan blades, the external cooling of the air compressor assembly is realized, and the internal and external cooling of the air compressor assembly are simultaneously realized by combining the water bath cooling and the air cooling, so that the heat dissipation effect of the air compressor assembly is improved.

The purpose of the invention can be realized by the following technical scheme:

the screw air compressor with the cooling system comprises a bottom plate, wherein an air compressor assembly is fixed on the top surface of the bottom plate, the air compressor assembly comprises an air compressor body, an oil cavity is formed in one end of the air compressor body, two male and female screw shafts are connected to the inside of the air compressor body in a rotating mode, a hood for protecting the air compressor assembly is fixed on the top surface of the bottom plate, a round blind hole is formed in one end of each male and female screw shaft, a moving column is connected to the inside of the round blind hole in a sliding mode, a first water collecting tank communicated with the two round blind holes is fixed to one end of the top surface of the bottom plate, a second water level adjusting plate is connected to the inside of the first water collecting tank in a sliding mode, a first traction rope penetrating through a water level adjusting plate and fixedly connected with the water level adjusting plate is fixed to one end of the moving column, a shaft rod is connected to the inside of the first water collecting tank in a rotating mode, winding wheels are fixedly connected to the two ends of the shaft, a second traction rope is fixedly connected between the winding wheels and the water level adjusting plate, a second sponge driving roller is connected to the top of the hood, a sponge driving piece is arranged above the sponge driving roller, and a radiator is connected with a pipe fitting fixedly connected with the top of the radiator.

Further, the method comprises the following steps: the one end of removing the post link up and has seted up the mesh, the one end that removes the post and deviates from haulage rope one rotates and is connected with the connecting block, be fixed with connecting spring between connecting block and the circular blind hole.

Further, the method comprises the following steps: the blowing piece comprises a support fixedly connected with the hood, a second motor is fixed inside the support, and fan blades are fixed at the output end of the second motor.

The method is further characterized in that: the radiator comprises radiating fins, a panel is fixed on one side of each radiating fin, four circular through holes are formed in the panel, the telescopic pipe fitting comprises a first connecting pipe which is fixedly communicated with the circular through holes in the corresponding positions, a second connecting pipe is inserted in the inner side of the first connecting pipe in a sliding mode, and a third connecting pipe is inserted in the second connecting pipe in a sliding mode.

The method is further characterized in that: the water collecting tank II is internally fixed with two water pumps, the water outlet end of each water pump is communicated and fixed with two water conveying pipes, the water conveying pipes are communicated and fixed with the top ends of the circular through holes in the corresponding positions, the water seepage pipes are fixed inside the water collecting tank II, the top of each water seepage pipe is communicated and fixed with a water inlet pipe, the electromagnetic valves are connected inside the water inlet pipes in series, and a plurality of water outlet holes are formed in the outer side wall of the bottom of each water seepage pipe at equal intervals.

The method is further characterized in that: the inner side of the first water collecting tank is detachably connected with two net boxes in a sliding mode, the top of each net box and one side of each net box close to the corresponding round blind hole are both open, the first traction rope penetrates through the net boxes corresponding to the positions, and an arc-shaped through hole which is convenient for the first traction rope to pass through is formed in the inner bottom surface of the first water collecting tank.

Further, the method comprises the following steps: the inboard at a header tank both ends all is seted up and is convenient for hold the column chamber of winding wheel, the top surface of water level regulating plate link up and sets up two round holes that are convenient for haulage rope one passes through.

Further, the method comprises the following steps: the top surface of aircraft bonnet is fixed with the roof, the inside of aircraft bonnet is fixed with and is used for driving a driving roller pivoted motor one, the fresh air inlet has all been seted up to the both sides of aircraft bonnet one end, the exhaust vent has been seted up to the other end of aircraft bonnet, the fresh air inlet all is fixed with the filter screen with the inboard of exhaust vent.

The invention has the beneficial effects that:

1. when the male and female screw shafts need to be cooled, the motor drives the first driving roller to rotate, the second driving roller rotates under the transmission action of a mesh belt, a winding wheel on the second driving roller rotates to wind the second traction rope so that the water level adjusting plate moves upwards, the liquid level in the first water collecting tank rises, water enters the circular blind holes in the male and female screw shafts, the water fills the circular blind holes through meshes in a moving column, heat dissipation of the water to the interior of the male and female screw shafts is realized, the motor drives the first driving roller to rotate reversely so that the second driving roller drives a shaft rod to rotate reversely, the second traction rope is released by rotation of the winding wheel, the water level adjusting plate moves downwards under the action of self gravity, the traction rope pulls the water level adjusting plate downwards under the action of the elastic force of a connecting spring, the water level adjusting plate moves downwards, the water level inside the male and female screw shafts is reduced after the water level adjusting plate moves downwards, the water level adjusting plate is lifted again, the circular water level inside the male and female screw shafts is changed, and the upper end part of the male and female screw shaft is favorable for improving the heat dissipation effect of the male and female screw shafts;

2. the first traction rope is fixed between the movable column and the water level adjusting plate, in the process of moving the water level adjusting plate upwards, the water level adjusting plate drives the movable column to move towards the open end of the circular blind hole through the first traction rope, scales collected on the inner side wall of the circular blind hole are conveniently pushed into the net box at the corresponding position (calcium and magnesium plasma in water has chemical reaction due to high temperature and affects the cooling effect in the circular blind hole), the net box can be detached from the first water collecting box, scales in the net box are convenient to clean, water is pumped into the two telescopic pipe fittings at the corresponding position through one of the water pumps, the other water pump pumps water from the second water collecting box and drains water into the two telescopic pipe fittings at the corresponding position, so that water in the first water collecting box and water in the second water collecting box can flow between radiators in a circulating mode, water supply and cooling are standby, the water seepage pipe is arranged in the second water collecting box, water entering the seepage pipe is dripped onto a sponge body from the outer side wall of the bottom of the water seepage pipe and is drained onto the sponge body, the sponge body is wet and then the fan blade rotates to blow wind to the air compressor component, and the sponge body is convenient to cool the air compressor.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIGS. 1-2 are schematic views of the overall structure of the present invention from different perspectives;

FIG. 3 is a schematic top view of the base plate of the present invention;

FIG. 4 is a schematic view of the air compressor assembly of the present invention;

FIG. 5 is a schematic view showing the internal structure of male and female screw shafts according to the present invention;

FIGS. 6 to 7 are schematic views showing an internal structure of a header tank according to the present invention;

FIG. 8 is a cross-sectional view of the header tank of the present invention;

FIG. 9 is a schematic view of a radiator, a telescopic pipe and a water collecting tank of the present invention;

FIG. 10 is a schematic view showing the structure of the mesh belt, sponge and blower of the present invention;

FIG. 11 is a schematic view of the structure of the moving column, the connecting block and the connecting spring of the present invention.

In the figure: 100. a base plate; 110. a hood; 111. a top plate; 112. a first driving roller; 113. a first motor; 114. an air inlet hole; 115. an air outlet; 200. an air compressor assembly; 210. an air compressor body; 211. an oil chamber; 220. male and female screw shafts; 300. moving the column; 310. a first traction rope; 320. connecting blocks; 321. a connecting spring; 400. a first water collecting tank; 410. a water level adjusting plate; 420. a shaft lever; 421. a winding wheel; 4211. a second traction rope; 422. a second driving roller; 430. a net box; 440. a columnar cavity; 450. an arc-shaped through hole; 500. a mesh belt; 510. a sponge body; 600. a blowing member; 610. a support; 620. a second motor; 630. a fan blade; 700. a heat sink; 710. a heat sink; 720. a panel; 800. a telescopic pipe fitting; 900. a water collecting tank II; 910. a water pump; 920. a water seepage pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 to 11, a screw air compressor with a cooling system includes a base plate 100, an air compressor assembly 200 is fixed on a top surface of the base plate 100, the air compressor assembly 200 includes an air compressor body 210, an oil chamber 211 is disposed at one end of the air compressor body 210, two male and female screw shafts 220 are rotatably connected inside the air compressor body 210, the screw air compressor is characterized in that a hood 110 for protecting the air compressor assembly 200 is fixed on the top surface of the base plate 100, a circular blind hole is formed at one end of each male and female screw shaft 220, a moving column 300 is slidably connected inside the circular blind hole, a first water collection tank 400 communicated with the two circular blind holes is fixed at one end of the top surface of the base plate 100, a second water level adjusting plate 410 is slidably connected inside the first water collection tank 400, a first traction rope 310 penetrating through the water level adjusting plate 410 and fixedly connected with the water level adjusting plate 410 is fixed at one end of the moving column 300, a shaft lever 420 is rotatably connected inside the first water collection tank 400, a second traction rope 4211 is fixedly connected between the shaft 420, a second traction rope 422 is fixedly connected outside the winding wheel 421 and the water collection tank 510 fixedly connected with a sponge radiator 400, a pipe fitting 900 is arranged above the top of the radiator, and a radiator 500 is arranged on the radiator.

One end of the movable column 300 is provided with meshes in a penetrating manner, one end of the movable column 300, which is far away from the first traction rope 310, is rotatably connected with a connecting block 320, a connecting spring 321 is fixed between the connecting block 320 and the round blind hole, the meshes are convenient for water to pass through and prevent scale from passing through, the first traction rope 310 is convenient for the movable column 300 to move, so that the scale is moved into the net box 430 to be collected, the connecting spring 321 is convenient for the movable column 300 to move towards the initial position after being stretched, the connecting block 320 is rotatably connected with the movable column 300, and the connecting spring 321 is prevented from rotating along with the rotation of the male and female screw shaft 220; the blowing piece 600 comprises a support 610 fixedly connected with the hood 110, a second motor 620 is fixed inside the support 610, fan blades 630 are fixed at the output end of the second motor 620, and the fan blades 630 facilitate blowing air to the air compressor assembly 200 from the obliquely upper direction of the air compressor assembly 200, so that the air compressor assembly 200 can be cooled by air integrally; radiator 700 includes fin 710, one side of fin 710 is fixed with panel 720, four circular through-holes have been seted up to panel 720's inside, flexible pipe fitting 800 includes and corresponds the fixed connecting pipe one of the circular through-hole intercommunication in position, the inboard slip grafting of connecting pipe one has connecting pipe two, the inside slip grafting of connecting pipe two has connecting pipe three, radiator 700 theory of operation is prior art, do not redundantly describe, rivers pass through the circular through-hole on the panel 720, be convenient for by the heat absorption cooling of radiator 700, the flexible length adjustment of flexible pipe fitting 800 is convenient for satisfy water level adjustment board 410 position shift.

Two water pumps 910 are fixed inside the second water collecting tank 900, two water delivery pipes are fixedly communicated with the water outlet ends of the water pumps 910, the water delivery pipes are fixedly communicated with the top ends of the circular through holes at the corresponding positions, a water seepage pipe 920 is fixedly fixed inside the second water collecting tank 900, a water inlet pipe is fixedly communicated with the top of the water seepage pipe 920, electromagnetic valves are connected inside the water inlet pipe in series, a plurality of water outlet holes are formed in the outer side wall of the bottom of the water seepage pipe 920 at equal intervals, the two water pumps 910 are matched for use, so that water inside the first water collecting tank 400 can be conveniently delivered to the second water collecting tank 900 through the radiator 700, then the water inside the second water collecting tank 900 can be delivered into the first water collecting tank 400 through secondary heat dissipation of the radiator 700, the electromagnetic valves are convenient for controlling whether water enters the water seepage pipe 920, and the water outlet holes are convenient for dropping water inside the water seepage pipe 920 onto the sponge 510 to wet the sponge 510; the inboard of header tank 400 can be dismantled sliding connection and have two net boxes 430, and the top of net box 430 and be close to circular blind hole one side and be uncovered setting, and haulage rope 310 runs through corresponding position net box 430, and the arc through-hole 450 that the haulage rope 310 of being convenient for passes through is seted up to the interior bottom surface of header tank 400. So that the scale falling from the inside of the circular blind hole can be pushed into the net box 430.

The inner sides of the two ends of the first water collecting tank 400 are respectively provided with a columnar cavity 440 for accommodating the winding wheel 421, the top surface of the water level adjusting plate 410 is provided with two round holes for allowing the first traction rope 310 to pass through, the diameter of each round hole is larger than that of the first traction rope 310, and therefore the space between the water level adjusting plate 410 and the first water collecting tank 400 cannot generate negative pressure when the water level adjusting plate 410 moves downwards or upwards; the top surface of the hood 110 is fixed with a top plate 111, the inside of the hood 110 is fixed with a first motor 113 for driving a first driving roller 112 to rotate, both sides of one end of the hood 110 are provided with air inlet holes 114, the other end of the hood 110 is provided with air outlet holes 115, filter screens are fixed on the inner sides of the air inlet holes 114 and the air outlet holes 115, the top plate 111 is fixedly connected with a second water collecting tank 900, the second water collecting tank 900 is fixedly installed inside the hood 110, the air outlet holes 115 are matched with the air inlet holes 114, air inside the hood 110 can conveniently flow, and the radiating fins 710 pass through the hood 110, so that the heat radiation of the radiator 700 is facilitated.

The working principle is as follows: when the water level adjusting plate 410 is moved upwards, the water level adjusting plate 410 drives the moving column 300 to move towards the open end of the round blind hole through the first traction rope 310, therefore, the scale remained in the circular blind hole is pushed into the net box 430 by the moving column 300 to be collected, when the heated hot water in the circular blind hole needs to be changed into cold water, the first motor 113 drives the first transmission roller 112 to rotate reversely, the second transmission roller 422 drives the shaft rod 420 to rotate reversely, the winding wheel 421 rotates to release the second traction rope 4211 to enable the water level adjusting plate 410 to move downwards, the water level adjusting plate 410 moves downwards at the moment, one is the gravity action of the water level adjusting plate 410, the other is the action of the tensile elasticity of the connecting spring 321 to enable the moving column 300 to move to the initial position, then the first traction rope 310 pulls the water level adjusting plate 410 to move downwards, and the position of the circularly reciprocating water level adjusting plate 410 is adjusted to realize the water changing and heat dissipation for the circular blind hole;

one water pump 910 pumps water to two circular through holes at corresponding positions on the panel 720 through a water conveying pipe, so that the water in the first water collecting tank 400 is pumped into the second water collecting tank 900 through the two telescopic pipes 800, meanwhile, the other water pump 910 conveys the water in the second water collecting tank 900 to the circular through hole at the corresponding position in the panel 720 through the water conveying pipe, then the water is returned to the first water collecting tank 400 by the other two telescopic pipes 800, the water passing through the radiator 700 is subjected to heat radiation treatment, so that the water in the first water collecting tank 400 and the second water collecting tank 900 has a lower temperature and can be recycled for continuous use, the electromagnetic valve on the water inlet pipe is opened to enable the water in the second water collecting tank 900 to flow into the water seepage pipe 920, then falls onto the sponge body 510 from the water outlet holes on the water seepage pipe 920, so that the sponge body 510 is in a wet state, the second motor 620 drives the fan blades 630 to rotate, the fan blades 630 blow the wind to the wet sponge body 510, so that cool air is blown onto the air compressor assembly 200, thereby facilitating cooling the air compressor assembly 200 while cooling the air therein, and when the sponge body 510 is in a wet state, the electromagnetic valve on the water inlet pipe can be closed to prevent water from continuously dropping on the sponge body 510 to cause water splashing, in winter, when the interior of the hood 110 does not need to be cooled greatly, the electromagnetic valve can be closed to ensure that no water exists in the water seepage pipe 920, thereby preventing the wind blown out by the fan blades 630 through the sponge body 510 from being too cold, and certainly stopping moving the position of the water level adjusting plate 410, preventing the temperature of the ends of the male and female screw shafts 220 from being reduced by the water bath, wherein in the up-and-down moving process of the water level adjusting plate 410, the mesh belt 500 can drive the sponge 510 to synchronously transmit and change positions, so as to conveniently change the positions of the wet sponge 510 at different positions, and ensure that the moisture on the sponge 510 can be synchronously and fully blown away for cooling.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.

Claims

1. A screw air compressor with a cooling system comprises a bottom plate (100), an air compressor assembly (200) is fixed on the top surface of the bottom plate (100), the air compressor assembly (200) comprises an air compressor body (210), an oil cavity (211) is formed in one end of the air compressor body (210), two male and female screw shafts (220) are rotatably connected inside the air compressor body (210), the screw air compressor is characterized in that a first water collecting tank (400) communicated with the two circular blind holes is fixed on the top surface of the bottom plate (100), a water level adjusting plate (410) is slidably connected inside the first water collecting tank (400), a first traction rope (310) penetrating through the water level adjusting plate (410) and fixedly connected with the water level adjusting plate (410) is fixed at one end of the movable column (300), the first water collecting tank (400) is rotatably connected with the first water collecting tank (420), a water level adjusting plate (421) is fixedly connected to two ends of a shaft lever (420), a second traction rope (421) is fixedly connected between a shaft lever (421) and a second traction roller (422) and a shaft lever (422) is fixedly connected to the shaft lever (420), the inside of aircraft bonnet (110) rotates and is connected with driving roller (112), the transmission is connected with guipure (500) between driving roller (112) and driving roller two (422), the outside of guipure (500) is fixed with cavernosum (510), the oblique top of cavernosum (510) is provided with bloies (600), header tank (400) top is provided with radiator (700) with aircraft bonnet (110) fixed connection, telescopic pipe spare (800) have been arranged in the top intercommunication of radiator (700), header tank two (900) with aircraft bonnet (110) fixed connection have been arranged in the top intercommunication of radiator (700).

2. The screw air compressor with the cooling system as claimed in claim 1, wherein a mesh is formed at one end of the movable column (300) in a penetrating manner, a connecting block (320) is rotatably connected to one end of the movable column (300) facing away from the first traction rope (310), and a connecting spring (321) is fixed between the connecting block (320) and the circular blind hole.

3. The screw air compressor with the cooling system according to claim 1, wherein the blowing member (600) includes a bracket (610) fixedly connected to the housing (110), a second motor (620) is fixed inside the bracket (610), and the output end of the second motor (620) is fixed with the fan blades (630).

4. The screw air compressor with the cooling system according to claim 1, wherein the heat sink (700) includes a heat sink (710), a panel (720) is fixed to one side of the heat sink (710), four circular through holes are formed in the panel (720), the telescopic pipe (800) includes a first connecting pipe which is fixedly communicated with the circular through holes at the corresponding positions, a second connecting pipe is slidably inserted into the inner side of the first connecting pipe, and a third connecting pipe is slidably inserted into the inner side of the second connecting pipe.

5. The screw air compressor with the cooling system according to claim 4, wherein two water pumps (910) are fixed inside the second water collecting tank (900), two water pipes are fixed and communicated with the water outlet ends of the water pumps (910), the water pipes are fixed and communicated with the top ends of the circular through holes at the corresponding positions, a water seepage pipe (920) is fixed inside the second water collecting tank (900), a water inlet pipe is fixed and communicated with the top of the water seepage pipe (920), an electromagnetic valve is connected inside the water inlet pipe in series, and a plurality of water outlet holes are formed in the outer side wall of the bottom of the water seepage pipe (920) at equal intervals.

6. The screw air compressor with the cooling system is characterized in that two net boxes (430) are detachably and slidably connected to the inner side of the first water collecting tank (400), the top of each net box (430) and the side close to the round blind hole are both arranged in an open mode, the first traction rope (310) penetrates through the net boxes (430) at the corresponding positions, and an arc-shaped through hole (450) facilitating the first traction rope (310) to pass through is formed in the inner bottom surface of the first water collecting tank (400).

7. The screw air compressor with the cooling system as claimed in claim 1, wherein the inner sides of the two ends of the first water collecting tank (400) are respectively provided with a cylindrical cavity (440) for accommodating the winding wheel (421), and the top surface of the water level adjusting plate (410) is provided with two circular holes for allowing the first traction rope (310) to pass through.

8. The screw air compressor with the cooling system according to claim 1, wherein a top plate (111) is fixed to a top surface of the hood (110), a first motor (113) for driving a first driving roller (112) to rotate is fixed to the inside of the hood (110), air inlet holes (114) are formed in two sides of one end of the hood (110), air outlet holes (115) are formed in the other end of the hood (110), and filter screens are fixed to inner sides of the air inlet holes (114) and the air outlet holes (115).