CN217287650U

CN217287650U - Integrated air suction filter of screw compressor

Info

Publication number: CN217287650U
Application number: CN202220862032.2U
Authority: CN
Inventors: 岳希君; 范乃武; 岳修会
Original assignee: Xinxiang Zhongyue Filter Co ltd
Current assignee: Xinxiang Zhongyue Filter Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-08-26
Anticipated expiration: 2032-04-15

Abstract

The utility model discloses a screw compressor integration filter of breathing in, including filter body, filter body includes the urceolus, and the inside threaded connection of urceolus has the inner tube, and leaves the cavity between inner tube and the urceolus, and the cavity is inside to peg graft there is the filter core, and the filter core includes outer net and inlayer net, and the inlayer net is located outer net inside, and inlayer net and outer net are concentric, leaves the settling zone between outer net and the inlayer net, and settles the inside middle filter screen that is provided with in district, middle filter screen and inlayer net, outer net contact each other. The utility model discloses beneficial effect does: the structure that comprises inner tube, urceolus makes this filter of breathing in be split type design, when this filter core of breathing in is scrapped, can separate inner tube and urceolus to take out the filter core, then change new filter core, then make inner tube, urceolus and new filter core constitute a new filter of breathing in again, reduce the waste to the resource.

Description

Screw compressor integration filter of breathing in

Technical Field

The utility model relates to a compressor filtration technical field, concretely relates to screw compressor integration filter of breathing in.

Background

A compressor is a driven fluid machine that raises low-pressure gas into high-pressure gas, and is a heart of a refrigeration system. The refrigerating cycle is powered by sucking low-temperature and low-pressure refrigerant gas from the air suction pipe, driving the piston to compress the refrigerant gas through the operation of the motor, and discharging high-temperature and high-pressure refrigerant gas to the exhaust pipe. To realize the compression → condensation → expansion → evaporation (heat absorption) refrigeration cycle, a check valve is usually provided in the suction side of the compressor in the compressor to avoid the backward rotation of the compressor due to the pressure difference between the front and rear thereof when the compressor is driven to be closed.

A screw compressor, in particular for refrigeration systems, such as that of the type with the grant publication No. CN107076151B, with the grant publication No. 20200724, comprises a compressor housing 1 at least partially enclosing the compressor, an integrated suction filter 2 and a non-return valve 7 driven by a pressurized gas. The compressor housing 1 has slots, in particular drilled or cast-out pipes 13, 16, 22, 23, 24, into which pressurized gas can be fed to control the non-return valve 7, the present solution suction filter 2 is clamped into the housing 1 at both ends so that the gas entering the compressor has to flow through the screen cloth 5 attached to the suction filter 2 and cannot pass from the outside, the non-return valve 7 is opened, such gas flows axially through the suction line 18 into the first gas chamber 19 between the valve seat 10 and the suction filter 2 and is then diverted radially outwards by the valve disk 6 and then flows through the screen cloth 5 of the suction filter 2 into the second gas chamber 12 formed between the suction filter 2 and the screw rotor 14 of the compressor.

Above-mentioned and the filter of breathing in among the prior art is generally fixed inside the framework at the filter core, leads to the filter core to scrap the back and need also report the framework to waste, comparatively extravagant resource, and current filter of breathing in is relatively poor to filter effect simultaneously, therefore, needs to design a screw compressor integration filter of breathing in to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a screw compressor integration filter of breathing in to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a screw compressor integration filter of breathing in, includes filter body, filter body includes the urceolus, the inside threaded connection of urceolus has the inner tube, and leaves the cavity between inner tube and the urceolus, the inside grafting of cavity has the filter core, the filter core includes outer net and inlayer net, the inlayer net is located outer net inside, and inlayer net and outer net are concentric, leave the settling zone between outer net and the inlayer net, and settle the inside middle filter screen that is provided with in district, middle filter screen and inlayer net, outer net contactless.

Furthermore, air inlets distributed in an annular structure at equal intervals are formed in the inner wall of the side face of the inner barrel, and air outlets distributed in an annular structure at equal intervals are formed in the outer wall of the side face of the outer barrel.

Furthermore, the inner wall of the side surface of the inner cylinder is provided with arranging grooves which are distributed in an annular structure at equal intervals, and the magnetic blocks are bonded in the arranging grooves.

Furthermore, a groove is formed in the outer wall of one side of the outer barrel, and a controller and a buzzer which are distributed in an up-and-down structure are mounted on the inner wall of one side of the groove through bolts.

Further, a mounting groove is formed in the center of the inner wall of one side of the outer barrel, and a pressure sensor electrically connected with the controller is mounted on the inner wall of one side of the mounting groove through a bolt.

Further, install the spring that is equidistance structure distribution through the bolt on the outer wall of pressure sensor one side, and spring one end installs the piston plate of sliding connection in the mounting groove inside through the bolt.

In the technical solution, the utility model provides a pair of screw compressor integration air suction filter: (1) through the arrangement of the inner barrel and the outer barrel, the structure formed by the inner barrel and the outer barrel ensures that the air suction filter is in a split type design, when a filter element in the air suction filter is scrapped, the inner barrel and the outer barrel can be separated, so that the filter element is taken out, a new filter element is replaced, and then the inner barrel, the outer barrel and the new filter element form a new air suction filter again, so that the waste of resources is reduced; (2) through the arranged filter element, when the suction filter is used for filtering, the structure formed by the outer layer net, the inner layer net and the middle filter screen can filter air for many times, so that the filtering effect is improved, and meanwhile, the pressure resistance of the filter element can be improved due to the design of the middle filter screen; (3) through pressure sensor, spring and the piston board that sets up, when using this filter of breathing in, the structure that pressure sensor, spring and piston board constitute can detect the inside pressure of filter, and when the filter core can't use filter internal pressure to reach the alarm value, bee calling organ can sound to remind the staff to change the filter core, avoid the filter core to plug up the operation that influences the compressor.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of a screw compressor integrated suction filter according to an embodiment of the present invention.

Fig. 2 is a sectional view of a filter body structure provided in an embodiment of the integrated suction filter of the screw compressor of the present invention.

Fig. 3 is a side view structural section of a filter element provided by an embodiment of the integrated air suction filter of the screw compressor of the utility model.

Fig. 4 is a control flow chart provided in an embodiment of the present invention for an integrated suction filter of a screw compressor.

Description of the reference numerals:

the filter comprises a filter body 1, an outer cylinder 2, an inner cylinder 3, a cavity 4, a filter element 5, an air outlet hole 6, a placement groove 7, a magnetic block 8, an air inlet hole 9, a groove 10, a controller 11, a mounting groove 12, a pressure sensor 13, a spring 14, a piston plate 15, a buzzer 16, an outer layer net 17, an inner layer net 18, a placement area 19 and a middle filter screen 20.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-4, a screw compressor integrated air suction filter provided by the embodiment of the present invention includes a filter body 1, the filter body 1 includes an outer cylinder 2, an inner cylinder 3 is connected to the outer cylinder 2 via a thread, the air suction filter is of a split design due to the structure formed by the inner cylinder 3 and the outer cylinder 2, a cavity 4 is left between the inner cylinder 3 and the outer cylinder 2, the cavity 4 facilitates the installation of the filter element 5 between the inner cylinder 3 and the outer cylinder 2, the filter element 5 is inserted into the cavity 4, the filter element 5 includes an outer net 17 and an inner net 18, the inner net 18, a middle filter net 20 and a three-layer filter net formed by the outer net 17 can improve the filtering effect on air, the inner net 18 is located inside the outer net 17, the inner net 18 is concentric with the outer net 17, a mounting area 19 is left between the outer net 17 and the inner net 18, the mounting area 19 enables the middle filter net 20 to be installed between the outer net 17 and the inner net 18, and the middle filter screen 20 is arranged in the mounting area 19, the middle filter screen 20 can improve the compression resistance and impact resistance of the filter element 5, meanwhile, the filter area is improved, and the middle filter screen 20 is in contact with the inner layer net 18 and the outer layer net 17.

The utility model provides a pair of screw compressor integration filter of breathing in makes by the structure that inner tube 3, urceolus 2 constitute this filter of breathing in be split type design, when this filter inside filter core 5 of breathing in scraps, can part inner tube 3 and urceolus 2 to take out filter core 5, then at renew filter core 5, then make inner tube 3, urceolus 2 and new filter core 5 constitute a new filter of breathing in again, reduce the waste to the resource.

The utility model provides a another embodiment, as shown in fig. 1-2, set up on the inner wall of inner tube 3 side the equidistance and be the inlet port 9 that the loop configuration distributes, inlet port 9 is convenient for advance the inside air admission cavity 4 of figure inner tube 2 inside, then is filtered by filter core 5, set up the equidistance on the outer wall of outer tube 2 side and be the venthole 6 that the loop configuration distributes, venthole 6 is convenient for flow out this filter through the filtered air of filter core 5.

The utility model provides a further embodiment, as shown in fig. 2, set up the mounting groove 7 that the equidistance is the annular structure and distributes on the inner wall of 3 sides of inner tube, mounting groove 7 is convenient for make magnetic path 8 install on inner tube 3, and the inside bonding of mounting groove 7 has magnetic path 8, and magnetic substance such as iron fillings that magnetic path 8 can adsorb the air avoid iron fillings to plug up filter core 5 too much.

The utility model provides a another embodiment, as shown in fig. 2, recess 10 has been seted up on the outer wall of 2 one sides of urceolus, recess 10 is convenient for make controller 11, buzzer 16 installs on urceolus 2, and install the controller 11 that is structural distribution about through the bolt on the inner wall of recess 10 one side, buzzer 16, the preferred STM32F071CBT6 of controller 11 model, be convenient for control buzzer 16, pressure sensor 16 functions, the preferred B1407-0540P7.6 of buzzer 16 model, can sound under controller 11 effects when pressure sensor 13 detects the pressure that surpasss the vigilance, remind the staff to change filter core 5.

The utility model provides a further embodiment, as shown in fig. 2, mounting groove 12 has been seted up to urceolus 2 one side inner wall center department, mounting groove 12 is convenient for install pressure sensor 13 at urceolus 2, the pressure detection structure of constitution such as spring 14, and install the pressure sensor 13 that is electric connection with controller 11 through the bolt on the inner wall of mounting groove 12 one side, pressure sensor 13 model is preferred GML670, when filter core 5 can't use 3 internal pressure of inner tube too big, pressure sensor 13 can detect too big pressure value, then transmit for controller 11.

The utility model provides a further embodiment, as shown in fig. 2, install the spring 14 that is equidistant structure distribution through the bolt on the outer wall of pressure sensor 13 one side, spring 14 is convenient for piston plate 15 and pressure sensor 13 to link together, and the piston plate 15 of sliding connection inside mounting groove 12 is installed through the bolt to spring 14 one end, and piston plate 15 can extrude spring 14 when inner tube 3 internal pressure is too big for pressure sensor 13 begins to detect inner tube 3 internal pressure.

The working principle is as follows: when the air suction filter is used, the air suction filter can be installed on the suction side of a compressor, then when the air suction filter operates, the magnetic block 8 arranged on the inner barrel 3 can adsorb magnetic substances such as iron filings of air and the like, so that the filter element 5 is prevented from being blocked by the iron filings too much, then air can enter the filter element 5 from the air inlet hole 9, at the moment, the three-layer filter screen formed by the inner layer screen 18, the middle filter screen 20 and the outer layer screen 17 can improve the filtering effect on the air, the filtered air flows into the air chamber on the suction side of the compressor from the air outlet hole 6, then when the filter operates, the structure formed by the pressure sensor 13, the spring 14 and the piston plate 15 can detect the pressure inside the inner barrel 3, when the pressure inside the inner barrel 3 cannot be used by the filter element 5 and is too high, the piston plate 15 can slide in the installation groove 12, so as to extrude the spring 14, at the moment, the pressure sensor 13 can detect an overlarge pressure value, then controller 11 can sound according to the data control buzzer 16 that detects, reminds the staff to change filter core 5, later when changing filter core 5, can rotate urceolus 2 for inner tube 3 breaks away from separately with urceolus 2, then is pulling down old filter core 5, later overlaps new filter core 5 on inner tube 3, then installs urceolus 2 in inner tube 3 again, thereby constitutes new filter, then filters the air putting into the compressor.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a screw compressor integration filter of breathing in, includes filter body (1), its characterized in that, filter body (1) includes urceolus (2), urceolus (2) internal thread is connected with inner tube (3), and leaves cavity (4) between inner tube (3) and urceolus (2), cavity (4) inside grafting has filter core (5), filter core (5) are including outer net (17) and inlayer net (18), inlayer net (18) are located inside outer net (17), and inlayer net (18) and outer net (17) are concentric, leave settling area (19) between outer net (17) and inlayer net (18), and settling area (19) inside filter screen (20) of being provided with, middle filter screen (20) and inlayer net (18), outer net (17) each other contact.

2. The screw compressor integrated suction filter as claimed in claim 1, wherein the inner wall of the side of the inner cylinder (3) is provided with air inlet holes (9) distributed in an annular structure at equal intervals, and the outer wall of the side of the outer cylinder (2) is provided with air outlet holes (6) distributed in an annular structure at equal intervals.

3. The screw compressor integrated suction filter of claim 1, wherein the inner wall of the side surface of the inner cylinder (3) is provided with the placement grooves (7) which are distributed in an annular structure at equal intervals, and the magnet blocks (8) are bonded inside the placement grooves (7).

4. The screw compressor integrated suction filter of claim 1, wherein the outer wall of one side of the outer cylinder (2) is provided with a groove (10), and the inner wall of one side of the groove (10) is provided with a controller (11) and a buzzer (16) which are distributed in an up-and-down structure through bolts.

5. The screw compressor integrated suction filter according to claim 4, wherein a mounting groove (12) is formed in the center of one side of the inner wall of the outer cylinder (2), and a pressure sensor (13) electrically connected with the controller (11) is mounted on the inner wall of one side of the mounting groove (12) through a bolt.

6. The screw compressor integrated suction filter of claim 5, wherein the pressure sensor (13) is provided with springs (14) at an equal distance on one side of the outer wall by bolts, and one end of the spring (14) is provided with a piston plate (15) which is slidably connected inside the mounting groove (12) by bolts.