CN111365238B - Screw compressor with explosion-proof liquid level controller - Google Patents

Screw compressor with explosion-proof liquid level controller Download PDF

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Publication number
CN111365238B
CN111365238B CN202010180609.7A CN202010180609A CN111365238B CN 111365238 B CN111365238 B CN 111365238B CN 202010180609 A CN202010180609 A CN 202010180609A CN 111365238 B CN111365238 B CN 111365238B
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CN
China
Prior art keywords
liquid level
screw compressor
sliding rod
sliding
explosion
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CN202010180609.7A
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Chinese (zh)
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CN111365238A (en
Inventor
朱双喜
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Zhongshan Maxtech Comperssor Co ltd
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Zhongshan Maxtech Comperssor Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/28Safety arrangements; Monitoring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/31Self-supporting filtering elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/60Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00Magnetic separation
    • B03C1/02Magnetic separation acting directly on the substance being separated
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04Heating; Cooling; Heat insulation
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D9/00Level control, e.g. controlling quantity of material stored in vessel
    • G05D9/12Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00Details of magnetic or electrostatic separation
    • B03C2201/18Magnetic separation whereby the particles are suspended in a liquid

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Compressor (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

The invention discloses a screw compressor with an explosion-proof liquid level controller, which comprises a screw compressor body and a main controller thereof, wherein a leaching explosion-proof liquid level control mechanism is arranged in the screw compressor body and comprises an electric control seat; according to the invention, the filter cylinder is further arranged outside the sliding rod, the vertical filter grooves are uniformly arranged on the filter cylinder, the floating ball is sleeved in the filter cylinder, and the filter cylinder and the filter grooves are arranged to filter hydraulic pressure entering the filter cylinder, so that impurities are prevented from entering the sliding rod, the floating ball and the sliding rod are not smoothly matched, the sensitivity is not influenced, and further, the liquid level monitoring is not facilitated.

Description

Screw compressor with explosion-proof liquid level controller
Technical Field
The invention relates to the technical field of screw compressors, in particular to a screw compressor with an explosion-proof liquid level controller.
Background
The screw air compressor adopts a preformed set to be configured with the screw air compressor, only needs single power connection and compressed air connection, is internally provided with a cooling system, greatly simplifies the installation work, and provides high-quality compressed air for various industries consistently by the advantages of high efficiency, easy maintenance, high reliability and the like;
at present screw compressor's liquid level does not have direct control, cause easily by the hydraulic pressure increase, the oil content inefficacy even the damage causes fluid to get rid of the system along with compressed air, the influence pollutes external environment and hidden danger of use even, traditional liquid level mirror only plays the effect of a liquid level observation in fluid in addition, reveal when the liquid level reduces or the oil level is by a large scale and can not play warning or shut down the effect, and the inventor synthesizes all kinds of factors and proposes this kind of screw compressor who takes explosion-proof liquid level controller and can cut off the circuit immediately when the liquid level reduces or the oil level reveals by a large scale, realize shutting down the warning, avoid the loss increase.
Disclosure of Invention
The invention aims to provide a screw compressor with an explosion-proof liquid level controller, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a screw compressor with an explosion-proof liquid level controller comprises a screw compressor body and a main controller thereof, wherein a leaching explosion-proof liquid level control mechanism is arranged in the screw compressor body and comprises an electric control seat, a sliding rod is arranged at the bottom of the electric control seat, a floating ball is sleeved on the sliding rod, and a floating ball through hole is formed in the middle of the floating ball; the floater is through floater perforation sliding fit on the slide bar, fixedly connected with magnetic path on the floater, the slide bar cover is equipped with the dry spring sensor on the magnetic path, and magnetic path butt dry spring sensor is provided with the liquid level control mainboard in the automatically controlled seat, is provided with the liquid level controller on the liquid level control mainboard, and the dry spring sensor is connected with the liquid level controller electricity, the liquid level controller is connected with the master controller of screw compressor body.
During operation, the liquid level in the screw compressor body is monitored through the cooperation of the floating ball, the magnetic block and the dry spring sensor, the liquid level in the screw compressor is controlled through the liquid level controller, the main controller is triggered to stop under the explosion-proof requirement, and the explosion-proof effect is achieved.
As a further scheme of the invention: and a liquid level display is arranged on the outer side of the screw compressor body and is connected with the liquid level controller.
As a further scheme of the invention: the screw compressor is characterized in that a buzzer or an alarm lamp is arranged on the screw compressor body, an alarm circuit is arranged on the liquid level control main board, and the liquid level controller is connected with the buzzer/the alarm lamp through the alarm circuit.
As a further scheme of the invention: the utility model discloses a filter, including slide bar, floater, filter cylinder, floater, filter cylinder, impurity gets into on the slide bar, the slide bar outside is provided with strains a section of thick bamboo, evenly be provided with vertical filter cell on straining a section of thick bamboo, the floater suit is in straining a section of thick bamboo, through straining a section of thick bamboo and filter cell's setting, has filtered the hydraulic pressure that gets into in straining a section of thick bamboo, avoids impurity to get into on the slide bar, causes floater and slide bar cooperation not smooth, influences sensitivity and then is unfavorable for liquid level monitoring.
As a further scheme of the invention: the magnetic block is circular, a sliding hole is formed in the middle of the magnetic block and is sleeved on the sliding rod through the sliding hole, and the magnetic block is in sliding fit in the filter cylinder;
as a further scheme of the invention: sliding protrusions are arranged on two sides of the magnetic block, vertical sliding grooves are formed in two sides of the filter cartridge corresponding to the magnetic block, and the sliding protrusions are sleeved in the vertical sliding grooves; improve the sliding fit effect, vertical spout also acts as vertical filter cell in addition and has the filter effect.
As a further scheme of the invention: the slide bar bottom is provided with the stopper, the stopper runs through and stretches out a section of thick bamboo bottom, and the stopper liftable is installed on the slide bar, conveniently adjusts the height of stopper on the slide bar as required, and then adjusts the range at certain within range.
As a further scheme of the invention: the bottom of the sliding rod is evenly provided with a limiting hole, and the limiting block is arranged on the sliding rod in a lifting mode through the matching of the bolt and the limiting hole.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides a screw compressor with an explosion-proof liquid level controller, which is characterized in that when the screw compressor works, the liquid level in the screw compressor body is monitored through the matching of a floating ball, a magnetic block and a dry spring sensor, the liquid level in the screw compressor is controlled through the liquid level controller, and a main controller is triggered to stop under the explosion-proof requirement, so that the explosion-proof effect is achieved.
2. According to the invention, the filter cylinder is further arranged outside the slide bar, the vertical filter grooves are uniformly arranged on the filter cylinder, the floating ball is sleeved in the filter cylinder, and hydraulic pressure entering the filter cylinder is filtered through the arrangement of the filter cylinder and the filter grooves, so that the phenomenon that the floating ball and the slide bar are not smoothly matched to influence the sensitivity and further be unfavorable for liquid level monitoring due to the fact that impurities enter the slide bar is avoided.
3. The magnetic block is further circular, a sliding hole is formed in the middle of the magnetic block and is sleeved on the sliding rod through the sliding hole, and the magnetic block is in sliding fit in the filter cylinder; sliding protrusions are arranged on two sides of the magnetic block, vertical sliding grooves are formed in two sides, corresponding to the magnetic block, of the filter cartridge, and the sliding protrusions are sleeved in the vertical sliding grooves; the sliding fit effect is improved, and in addition, the vertical sliding grooves also serve as vertical filter cells to have a filtering effect;
4. the bottom end of the sliding rod is further provided with a limiting block, the limiting block penetrates through and extends out of the bottom of the filter cylinder, and the limiting block can be installed on the sliding rod in a lifting mode, so that the height of the limiting block on the sliding rod can be conveniently adjusted according to needs, and the measuring range can be adjusted within a certain range; the bottom of the sliding rod is evenly provided with a limiting hole, and the limiting block is arranged on the sliding rod in a lifting mode through the matching of the bolt and the limiting hole.
Drawings
Fig. 1 is a schematic structural diagram of a screw compressor with an explosion-proof liquid level controller.
FIG. 2 is a schematic structural diagram of a screw compressor with an explosion-proof liquid level controller with a matched filter cartridge and magnetic blocks.
FIG. 3 is a block diagram of a control system for a screw compressor with an explosion-proof level controller.
In the figure: 1. a screw compressor body; 2. an electric control seat; 3. a slide bar; 4. a reed sensor; 5. a slide hole; 6. a magnetic block; 61. sliding and protruding; 7. a floating ball; 8. perforating the floating ball; 9. a limiting block; 10. a filter cartridge; 101. a vertical filter cell; 102. a vertical chute; 11. a liquid level display; 12. a main board; 121. a master controller; 13. a liquid level controller; 14. an alarm circuit; 15. buzzer/alarm circuit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Referring to fig. 1-3, a screw compressor with an explosion-proof liquid level controller comprises a screw compressor body 1 and a main controller 121 thereof, wherein a leaching explosion-proof liquid level control mechanism is arranged in the screw compressor body 1, the leaching explosion-proof liquid level control mechanism comprises an electric control base 2, a sliding rod 3 is arranged at the bottom of the electric control base 2, a floating ball 7 is sleeved on the sliding rod 3, and a floating ball perforation 8 is arranged in the middle of the floating ball 7; floater 7 passes through floater perforation 8 sliding fit on slide bar 3, fixedly connected with magnetic path 6 on floater 7, slide bar 3 cover is equipped with dry spring sensor 4 on magnetic path 6, and magnetic path 6 butt dry spring sensor 4 is provided with liquid level control mainboard 12 in the automatically controlled seat 2, is provided with liquid level controller 13 on the liquid level control mainboard 12, and dry spring sensor 4 is connected with liquid level controller 13 electricity, liquid level controller 13 is connected with main controller 121 of screw compressor body 1.
A liquid level display 11 is arranged on the outer side of the screw compressor body 1, and the liquid level display 11 is connected with a liquid level controller 13; a buzzer or an alarm lamp is arranged on the screw compressor body 1, an alarm circuit 14 is arranged on the liquid level control main board 12, and the liquid level controller 13 is connected with the buzzer/the alarm lamp 15 through the alarm circuit 14; the outer side of the sliding rod 3 is provided with a filter cartridge 10, the filter cartridge 10 is uniformly provided with vertical filter grooves 101, the floating ball 7 is sleeved in the filter cartridge 10, hydraulic pressure entering the filter cartridge 10 is filtered through the filter cartridge 10 and the filter grooves, and therefore the phenomenon that the floating ball 7 and the sliding rod 3 are not smoothly matched due to the fact that impurities enter the sliding rod 3, sensitivity is affected, and liquid level monitoring is not facilitated is avoided.
The magnetic block 6 is circular, a sliding hole 5 is formed in the middle of the magnetic block 6 and is sleeved on the sliding rod 3 through the sliding hole 5, and the magnetic block 6 is in sliding fit in the filter cylinder 10; sliding protrusions 61 are arranged on two sides of the magnetic block 6, vertical sliding grooves 102 are arranged on two sides of the filter cartridge 10 corresponding to the magnetic block 6, and the sliding protrusions 61 are sleeved in the vertical sliding grooves 102; the sliding fit effect is improved, and in addition, the vertical sliding grooves 102 also serve as the vertical filter cells 101 to have the filtering effect.
The bottom end of the slide bar 3 is provided with a limiting block 9, the limiting block 9 penetrates through and extends out of the bottom of the filter cartridge 10, and the limiting block 9 is arranged on the slide bar 3 in a lifting manner, so that the height of the limiting block 9 on the slide bar 3 can be conveniently adjusted as required, and the measuring range can be adjusted within a certain range; the bottom of the sliding rod 3 is evenly provided with a limiting hole, and the limiting block 9 is installed on the sliding rod 3 in a lifting mode through the matching of the bolt and the limiting hole.
The working principle of the invention is as follows: during operation, the liquid level in the screw compressor body 1 is monitored through the cooperation of the floating ball 7, the magnetic block 6 and the dry spring sensor 4, the liquid level in the screw compressor is controlled through the liquid level controller 13, the main controller 121 is triggered to stop under the explosion-proof requirement, and the explosion-proof effect is achieved.
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (3)

1. A screw compressor with an explosion-proof liquid level controller comprises a screw compressor body (1) and a main controller (121) thereof, and is characterized in that a leaching explosion-proof liquid level control mechanism is arranged in the screw compressor body (1), the leaching explosion-proof liquid level control mechanism comprises an electric control base (2), a sliding rod (3) is arranged at the bottom of the electric control base (2), a floating ball (7) is sleeved on the sliding rod (3), and a floating ball perforation (8) is arranged in the middle of the floating ball (7); the floating ball (7) is in sliding fit with the sliding rod (3) through a floating ball through hole (8), a magnetic block (6) is fixedly connected to the floating ball (7), the sliding rod (3) on the magnetic block (6) is sleeved with the dry spring sensor (4), the magnetic block (6) is abutted to the dry spring sensor (4), a liquid level control main board (12) is arranged in the electric control seat (2), a liquid level controller (13) is arranged on the liquid level control main board (12), the dry spring sensor (4) is electrically connected with the liquid level controller (13), and the liquid level controller (13) is connected with a main controller (121) of the screw compressor body (1);
a filter cylinder (10) is arranged on the outer side of the sliding rod (3), vertical filter cells (101) are uniformly arranged on the filter cylinder (10), and the floating ball (7) is sleeved in the filter cylinder (10);
the magnetic block (6) is circular, a sliding hole (5) is formed in the middle of the magnetic block (6) and is sleeved on the sliding rod (3) through the sliding hole (5), and the magnetic block (6) is in sliding fit in the filter cylinder (10);
sliding protrusions (61) are arranged on two sides of the magnetic block (6), vertical sliding grooves (102) are formed in the two sides, corresponding to the magnetic block (6), of the filter cartridge (10), and the sliding protrusions (61) are sleeved in the vertical sliding grooves (102);
the bottom end of the sliding rod (3) is provided with a limiting block (9), the limiting block (9) penetrates through and extends out of the bottom of the filter cylinder (10), and the limiting block (9) is installed on the sliding rod (3) in a lifting mode;
the bottom of the sliding rod (3) is uniformly provided with a limiting hole, and the limiting block (9) is arranged on the sliding rod (3) in a lifting and adjusting mode through the matching of the bolt and the limiting hole.
2. The screw compressor with the explosion-proof liquid level controller is characterized in that a liquid level display (11) is arranged on the outer side of the screw compressor body (1), and the liquid level display (11) is connected with a liquid level controller (13).
3. The screw compressor with the explosion-proof liquid level controller is characterized in that a buzzer or an alarm lamp is arranged on the screw compressor body (1), an alarm circuit (14) is arranged on the liquid level control main board (12), and the liquid level controller (13) is connected with the buzzer/alarm lamp (15) through the alarm circuit (14).
CN202010180609.7A 2020-03-16 2020-03-16 Screw compressor with explosion-proof liquid level controller Active CN111365238B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010180609.7A CN111365238B (en) 2020-03-16 2020-03-16 Screw compressor with explosion-proof liquid level controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010180609.7A CN111365238B (en) 2020-03-16 2020-03-16 Screw compressor with explosion-proof liquid level controller

Publications (2)

Publication Number Publication Date
CN111365238A CN111365238A (en) 2020-07-03
CN111365238B true CN111365238B (en) 2022-09-20

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0454417A (en) * 1990-06-22 1992-02-21 Toshiba Corp Liquid level detecting device for compressor
JPH10331768A (en) * 1997-05-30 1998-12-15 Cosmo Tec Kk Air compressor
CN102996422A (en) * 2012-12-17 2013-03-27 江苏仁安高新技术有限公司 Oil level controller of compressor
CN205099779U (en) * 2015-11-10 2016-03-23 苏州道蒙恩电子科技有限公司 Online liquid -level monitoring device of plating bath
CN205937255U (en) * 2016-08-22 2017-02-08 河南赛普斯特仪器仪表有限公司 Hydraulic tank liquid level measurement device
CN108825484A (en) * 2018-06-15 2018-11-16 天津中德应用技术大学 The compressor oil position monitoring system and its method of total reflection principle based on light

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Denomination of invention: A screw compressor with explosion-proof liquid level controller

Effective date of registration: 20230428

Granted publication date: 20220920

Pledgee: Agricultural Bank of China Limited Zhongshan Dongfeng sub branch

Pledgor: ZHONGSHAN MAXTECH COMPERSSOR Co.,Ltd.

Registration number: Y2023980039530