CN110925212A - Oil-cooled compressor and control method - Google Patents
Oil-cooled compressor and control method Download PDFInfo
- Publication number
- CN110925212A CN110925212A CN201911269302.8A CN201911269302A CN110925212A CN 110925212 A CN110925212 A CN 110925212A CN 201911269302 A CN201911269302 A CN 201911269302A CN 110925212 A CN110925212 A CN 110925212A
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- Prior art keywords
- flexible
- oil
- pressure
- rings
- flexible connecting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/28—Safety arrangements; Monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/805—Fastening means, e.g. bolts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/18—Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/86—Detection
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention discloses an oil-cooled compressor and a control method thereof, comprising a body and an oil-cooled mechanism connected with the body, the oil cooling mechanism comprises a plurality of pipelines and a flexible connecting assembly for pipeline connection, the flexible connecting assembly comprises a flexible connecting ring and a fixing ring sleeved on the flexible connecting ring, two ends of the flexible connecting ring are respectively extended with a flexible folded edge with a V-shaped cross section, the openings of the two flexible folded edges are oppositely arranged, the fixing ring consists of two spliced fixing half rings, an elastic part is pressed between the fixing half rings, the elastic part is internally provided with a pressure detection part and also comprises an adjusting component for adjusting the distance between the fixed half rings, which can reduce the transmission of most vibration and reduce noise, and the flexible folded edge is extruded by the adjusting assembly to realize accurate and long-time stable connection, so that the overall reliability is improved.
Description
Technical Field
The invention relates to an oil-cooled compressor and a control method.
Background
The compressor mainly provides original power for industrial production, comprises an air compressor, a process compressor, a refrigerant compressor and the like, is applied to the fields of industrial automation, traffic braking, energy chemical engineering, refrigeration and air conditioning and the like, and is indispensable equipment in modern industry. The compressor can produce great heat at the operation in-process, needs heat radiation structure for guaranteeing normal operating, takes screw compressor as an example, and screw compressor has structural style such as forced air cooling, water-cooling, oil cooling.
Because the oil cooling heat dissipation is more even and efficient, adopt the oil cooling heat dissipation mostly under the higher condition of operational environment temperature height and power, but because the direct and compressor contact of oil cooling heat radiation structure can transmit vibrations, and can produce great vibrations when the compressor starts and stops, the last connecting line of oil cooling heat radiation structure all can produce great vibrations promptly, make compressor and casing all have great noise, and vibrations can increase the oil leak possibility of tube coupling department, reduce the whole reliability of product.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an oil-cooled compressor and a control method, which can reduce the whole noise and reduce the vibration transmission through flexible connection, and can detect and control a flexible connection structure to increase the whole reliability.
The technical scheme includes that the oil cooling compressor with the following structure comprises a body and an oil cooling mechanism connected to the body, the oil cooling mechanism comprises a plurality of pipelines and a flexible connecting assembly used for pipeline connection, the flexible connecting assembly comprises a flexible connecting ring and a fixing ring sleeved on the flexible connecting ring, two ends of the flexible connecting ring extend to form flexible folded edges with V-shaped cross sections, openings of the two flexible folded edges are arranged oppositely, the fixing ring is composed of two spliced fixed half rings, an elastic part is abutted between the fixed half rings, a pressure detection part is arranged in the elastic part, and the oil cooling compressor further comprises an adjusting assembly used for adjusting the distance between the fixed half rings.
Preferably, the adjusting assembly comprises a bolt passing through the two fixed half rings and a nut matched with the bolt.
Preferably, the adjusting assembly comprises a stud penetrating through the two fixed half rings and a rotating part in threaded fit with two ends of the stud, and the rotating part is connected with a power part for driving the rotating part to rotate along one direction and a non-return part for preventing reverse rotation.
Preferably, the pressure detection device further comprises a control module for controlling the operation of the power part, and the control module receives and records the pressure value of the pressure detection part.
After adopting the structure, compared with the prior art, the oil-cooled compressor has the following advantages: form a structure that can communicate two pipelines through flexible go-between, solid fixed ring and flexible hem, and two pipelines can not contradict mutually, can reduce the transmission of most vibrations and reduce the noise, and pass through fixed semi-ring between contradict elastic component, the elastic component in be equipped with pressure detection spare, realize the detection to flexible hem state to realize accurate long-time stable connection through the flexible hem of adjusting part extrusion, increase overall reliability.
According to another technical solution of the present invention, a method for controlling an oil-cooled compressor is provided, which includes the steps of
The pressure detection piece detects pressure at certain time intervals and sends pressure values to the control module;
the control module receives the pressure value and calculates the pressure value and a preset value to obtain an absolute value of a difference value, and the absolute value is accumulated to obtain the total pressure;
the control module is preset with a corresponding model of the total pressure and the fatigue of the flexible connecting ring, and the fatigue of the flexible connecting ring is obtained according to the total pressure;
the control module is preset with a corresponding model of the fatigue degree of the flexible connecting ring and the distance value between the fixed semi-rings, and the distance value between the fixed semi-rings is obtained according to the fatigue degree of the flexible connecting ring;
the control module judges the distance value between the fixed semi-rings and sends a driving signal to the power part, and the power part operates to enable the distance between the fixed semi-rings to change so as to meet the distance value between the fixed semi-rings.
After adopting the structure, compared with the prior art, the control method of the oil-cooled compressor has the following advantages: the pressure between the two fixed semi-rings is fed back by the pressure detection part, the absolute value of the difference value obtained by calculating the pressure value and the preset value is fed back to the received pressure change, namely the impact force received in real time, namely the impact degree received by the flexible connecting ring, the fixed ring and the flexible folding edge can be accurately reflected by the total pressure, namely the fatigue degree of the flexible connecting ring can be obtained by a corresponding model of the total pressure and the fatigue degree of the flexible connecting ring, the corresponding model of the total pressure and the fatigue degree of the flexible connecting ring can be obtained by advanced experiments, correspondingly the accurate distance value between the fixed semi-rings can be obtained by the corresponding model of the fatigue degree of the flexible connecting ring and the distance value between the fixed semi-rings, and the distance between the fixed semi-rings is changed by the operation of the power part to meet the distance value between the fixed semi-rings, realize accurate long-time stable connection, increase overall reliability.
Drawings
Fig. 1 is a first schematic structural diagram of an oil-cooled compressor according to the present invention.
Fig. 2 is a schematic structural view of an oil-cooled compressor according to the present invention.
FIG. 3 is a first schematic view of a flexible connection assembly of the present invention.
FIG. 4 is a second schematic structural view of a flexible connection assembly of the present invention.
Fig. 5 is a schematic cross-sectional view taken along line a-a in fig. 4.
Shown in the figure: 1. a body; 2. an oil cooling mechanism; 21. a pipeline; 22. a flexible connection assembly; 221. a flexible connecting ring; 222. folding edges flexibly; 223. a fixing ring; 3. an elastic member; 4. a pressure detecting member; 5. an adjustment assembly; 51. a stud; 52. and a rotating member.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, 2, 3, 4 and 5, an oil-cooled compressor of the present invention includes a body 1 and an oil-cooled mechanism 2 connected to the body 1, the oil-cooled mechanism 2 includes a plurality of pipelines 21 and a flexible connecting assembly 22 for connecting the pipelines 21, the flexible connecting assembly 22 includes a flexible connecting ring 221 and a fixing ring 223 sleeved on the flexible connecting ring 221, two ends of the flexible connecting ring 221 extend along flexible folded edges 222 having a V-shaped cross section, the two flexible folded edges 222 are oppositely disposed, the fixing ring 223 is composed of two spliced fixed half rings, an elastic member 3 is abutted between the fixed half rings, a pressure detecting member 4 is disposed in the elastic member 3, and an adjusting assembly 5 for adjusting a distance between the fixed half rings is formed by the flexible connecting ring 221, the fixing ring 223 and the flexible folded edges 222, and is capable of communicating the two pipelines 21, and two pipelines 21 can not contradict each other, can reduce the transmission of most vibrations and reduce the noise to through the stationary half ring between contradict elastic component 3, elastic component 3 in be equipped with pressure detection spare 4, realize the detection to flexible hem 222 state, and through the accurate long-time stable connection of adjustment assembly 5 extrusion flexible hem 222 realization, increase overall reliability.
The adjusting assembly 5 comprises a bolt penetrating through the two fixed half rings and a nut matched with the bolt, the bolt and the nut can be stably fixed and can be directly rotated manually or mechanically, for example, the nut is directly welded with the rotating part 52, the bolt and the fixed ring 223 are circumferentially limited, or vice versa.
Or, the adjusting assembly 5 includes a stud 51 penetrating through the two stationary half rings and a rotating member 52 screwed on both ends of the stud 51, the rotating member 52 is connected with a power member for driving the rotating member 52 to rotate along one direction and a non-return member for preventing reverse rotation, that is, the stationary half rings are extruded through the rotating member 52, the structure is simple and reliable, and the non-return member is used for fixing, so that slipping is avoided for reverse rotation. The power part can be a motor, the motor is fixed in the shell, and power supplies such as the motor can be controlled through a bus.
The pressure detection device also comprises a control module used for controlling the power part to operate, the control module receives and records the pressure value of the pressure detection part 4, and the control module is based on an STC89C52 single chip microcomputer. The pressure detection part 4 converts the pressure into an electric signal through a pressure sensor, amplifies the electric signal through an operational amplifier, sends the electric signal to a 24-bit A/D converter, and converts an analog signal into a digital signal which can be identified by a singlechip, and the pressure sensor can be a conventional pressure sensor.
The control method of the oil-cooled compressor comprises the following steps
The pressure detection part 4 detects pressure at certain time intervals and sends pressure values to the control module;
the control module receives the pressure value and calculates the pressure value and a preset value to obtain an absolute value of a difference value, and the absolute value is accumulated to obtain the total pressure;
the control module is preset with a corresponding model of the total pressure and the fatigue of the flexible connecting ring 221, and the fatigue of the flexible connecting ring 221 is obtained according to the total pressure;
the control module is preset with a corresponding model of the fatigue degree of the flexible connecting ring 221 and the distance value between the fixed semi-rings, and the distance value between the fixed semi-rings is obtained according to the fatigue degree of the flexible connecting ring 221;
the control module judges the distance value between the fixed semi-rings and sends a driving signal to the power part, and the power part operates to enable the distance between the fixed semi-rings to change so as to meet the distance value between the fixed semi-rings.
Compared with the prior art, the control method of the oil-cooled compressor has the following advantages: the pressure between the two fixed semi-rings is fed back through the pressure detection part 4, the absolute value of the difference value obtained by calculating the pressure value and the preset value is fed back to the received pressure change, namely the impact force received in real time, namely the impact degree received by the flexible connecting ring 221, the fixed ring 223 and the flexible folding edge 222 can be accurately reflected through the total pressure, namely the fatigue degree of the flexible connecting ring 221 can be obtained through a corresponding model of the total pressure and the fatigue degree of the flexible connecting ring 221, the corresponding model of the total pressure and the fatigue degree of the flexible connecting ring 221 can be obtained through advanced experiments, the accurate distance value between the fixed semi-rings can be correspondingly obtained through the corresponding model of the fatigue degree of the flexible connecting ring 221 and the distance value between the fixed semi-rings, and the distance change between the fixed semi-rings can meet the distance value between the fixed semi-rings through, and the integral sealing time can be greatly improved, accurate and long-time stable connection is realized, and the integral reliability is improved.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (5)
1. The utility model provides an oil-cooled compressor, includes body (1) and connects oil-cooled mechanism (2) on body (1), its characterized in that: oil cold mechanism (2) include a plurality of pipelines (21) and be used for flexible coupling assembling (22) that pipeline (21) are connected, flexible coupling assembling (22) including flexible go-between (221) and cover establish solid fixed ring (223) on flexible go-between (221), flexible go-between (221) both ends all along stretching flexible hem (222) that the cross sectional shape is the V style of calligraphy, two flexible hem (222) opening set up relatively, solid fixed ring (223) constitute by the fixed semi-ring of two concatenations, the fixed semi-ring between contradict elastic component (3), elastic component (3) in be equipped with pressure detection spare (4), still including adjusting part (5) of distance between the fixed semi-ring.
2. The oil-cooled compressor of claim 1, wherein: the adjusting component (5) comprises a bolt penetrating through the two fixed half rings and a nut matched with the bolt.
3. The oil-cooled compressor of claim 1, wherein: the adjusting assembly (5) comprises a stud (41) penetrating through the two fixed half rings and rotating pieces (52) in threaded fit with the two ends of the stud (51), and the rotating pieces (52) are connected with a power piece for driving the rotating pieces (52) to rotate along one direction and a non-return piece for preventing reverse rotation.
4. The oil-cooled compressor of claim 3, wherein: the pressure detection device also comprises a control module for controlling the power part to operate, and the control module receives and records the pressure value of the pressure detection part (4).
5. An oil-cooled compressor control method comprising the oil-cooled compressor of claim 4, characterized in that: comprises the following steps
The pressure detection part (4) detects pressure at certain time intervals and sends pressure values to the control module;
the control module receives the pressure value and calculates the pressure value and a preset value to obtain an absolute value of a difference value, and the absolute value is accumulated to obtain the total pressure;
the control module is preset with a corresponding model of the total pressure and the fatigue of the flexible connecting ring (221), and the fatigue of the flexible connecting ring (221) is obtained according to the total pressure;
the control module is preset with a corresponding model of the fatigue degree of the flexible connecting ring (221) and the distance value between the fixed semi-rings, and the distance value between the fixed semi-rings is obtained according to the fatigue degree of the flexible connecting ring (221);
the control module judges the distance value between the fixed semi-rings and sends a driving signal to the power part, and the power part operates to enable the distance between the fixed semi-rings to change so as to meet the distance value between the fixed semi-rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911269302.8A CN110925212B (en) | 2019-12-11 | 2019-12-11 | Oil-cooled compressor and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911269302.8A CN110925212B (en) | 2019-12-11 | 2019-12-11 | Oil-cooled compressor and control method |
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| CN110925212A true CN110925212A (en) | 2020-03-27 |
| CN110925212B CN110925212B (en) | 2022-02-18 |
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| JP2007113781A (en) * | 2005-09-20 | 2007-05-10 | Inter Kogyo:Kk | Pipe joint |
| CN102062271A (en) * | 2010-06-13 | 2011-05-18 | 龚岳强 | Connection device of full-diameter compressed air conveying pipeline |
| CN204164112U (en) * | 2014-10-16 | 2015-02-18 | 常州帕卓工程机械配件有限公司 | A kind of clip of aeration formula heat-shrink tube |
| KR101501704B1 (en) * | 2014-10-13 | 2015-03-12 | 알루텍 (주) | Pipe Connecting Apparatus |
| CN105438985A (en) * | 2015-12-30 | 2016-03-30 | 广州特种机电设备检测研究院 | Metal structure fatigue detecting system and method for off-shored crane |
| CN105937658A (en) * | 2016-06-24 | 2016-09-14 | 陈吉美 | Wirelessly-controlled type cable holder |
| CN108019354A (en) * | 2017-11-30 | 2018-05-11 | 广东葆德科技有限公司 | A kind of high power air compressor |
-
2019
- 2019-12-11 CN CN201911269302.8A patent/CN110925212B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007113781A (en) * | 2005-09-20 | 2007-05-10 | Inter Kogyo:Kk | Pipe joint |
| CN102062271A (en) * | 2010-06-13 | 2011-05-18 | 龚岳强 | Connection device of full-diameter compressed air conveying pipeline |
| KR101501704B1 (en) * | 2014-10-13 | 2015-03-12 | 알루텍 (주) | Pipe Connecting Apparatus |
| CN204164112U (en) * | 2014-10-16 | 2015-02-18 | 常州帕卓工程机械配件有限公司 | A kind of clip of aeration formula heat-shrink tube |
| CN105438985A (en) * | 2015-12-30 | 2016-03-30 | 广州特种机电设备检测研究院 | Metal structure fatigue detecting system and method for off-shored crane |
| CN105937658A (en) * | 2016-06-24 | 2016-09-14 | 陈吉美 | Wirelessly-controlled type cable holder |
| CN108019354A (en) * | 2017-11-30 | 2018-05-11 | 广东葆德科技有限公司 | A kind of high power air compressor |
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| Publication number | Publication date |
|---|---|
| CN110925212B (en) | 2022-02-18 |
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Effective date of registration: 20230118 Address after: 337000 area a, Lianhua Industrial Park, Pingxiang City, Jiangxi Province Patentee after: Jiangxi Yingsai Compressor Co.,Ltd. Address before: 337100 B District, Lianhua County Industrial Park, Pingxiang, Jiangxi Patentee before: JIANGXI FENGSHI COMPRESSOR CO.,LTD. |