CN115217764A - Cooling system of water-cooled motor in air-cooled screw air compressor - Google Patents
Cooling system of water-cooled motor in air-cooled screw air compressor Download PDFInfo
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- CN115217764A CN115217764A CN202210654611.2A CN202210654611A CN115217764A CN 115217764 A CN115217764 A CN 115217764A CN 202210654611 A CN202210654611 A CN 202210654611A CN 115217764 A CN115217764 A CN 115217764A
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- water
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- electromagnetic valve
- way electromagnetic
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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
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F1/00—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
- F04F1/06—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium acting on the surface of the liquid to be pumped
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a cooling system of a water-cooling motor in an air-cooled screw type air compressor, and relates to the field of air-cooled screw type air compressors. The invention comprises a water-cooled main motor, a first water tank and a second water tank; the first two-position three-way electromagnetic valve is communicated with a water cooling port on the water-cooled main motor, the first water tank and the second water tank are connected with two communication ports on the second two-position three-way electromagnetic valve, and a third communication port on the second two-position three-way electromagnetic valve is communicated with the other water cooling port on the water-cooled main motor; the first water tank and the second water tank are connected with two access ports on the third two-position three-way electromagnetic valve, and the third access port on the third two-position three-way electromagnetic valve is connected with an air outlet of the air compressor. The system of the invention does not need to drive the cooling water to flow by a water pump, realizes the circulating reciprocating flow of the cooling water in the two water tanks by matching the electromagnetic valve and the liquid level meter with high-pressure gas from the air compressor, greatly reduces the consumption of electric energy, and has exquisite structure and excellent water cooling efficiency.
Description
Technical Field
The invention belongs to the field of air-cooled screw air compressors, and particularly relates to a cooling system of a water-cooled motor in an air-cooled screw air compressor.
Background
At present, an oil cooling motor is basically used as a main motor in an air-cooled oil injection screw type air compressor, but because the temperature of lubricating oil is higher, condensed water can be generated at low temperature by the oil cooling motor, so that the temperature resistance requirement of the motor is very high; meanwhile, the motor has poor energy efficiency in a high-temperature environment; but the temperature resistance requirement of the water-cooled motor is much lower, and the energy efficiency is greatly improved when the motor runs in a low-temperature environment; however, in the current market, all water-cooled motors must use water pumps to provide power, and need to consume electric energy to enable water to flow circularly, and the use of the water pumps inevitably causes the need of supplying electric energy and causes energy waste, so that the cooling system of the water-cooled motor in the air-cooled screw air compressor has important significance for solving the problems.
Disclosure of Invention
The invention provides a cooling system of a water-cooling motor in an air-cooled screw type air compressor, which solves the problems.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a cooling system of a water-cooled motor in an air-cooled screw type air compressor, which comprises a water-cooled main motor, wherein a first water tank and a second water tank which are identical in structure are arranged on the upper part of the water-cooled main motor in a flush manner;
the top parts of the first water tank and the second water tank are respectively connected with a branch water pipe, the tail ends of the branch water pipes are connected with two water-cooling ports on a first two-position three-way electromagnetic valve, a third water-cooling port on the first two-position three-way electromagnetic valve is communicated with a water-cooling port on a water-cooling main motor through a main water pipe, and a heat exchanger is arranged on the main water pipe between the water-cooling main motor and the first two-position three-way electromagnetic valve;
the bottoms of the first water tank and the second water tank are respectively connected with a branch water pipe, the tail ends of the branch water pipes are connected with two water cooling ports on a second two-position three-way electromagnetic valve, and a third water cooling port on the second two-position three-way electromagnetic valve is communicated with the other water cooling port on a water-cooled main motor through a main water pipe;
the tops of the first water tank and the second water tank are respectively connected with a branch air pipe, the tail ends of the branch air pipes are connected with two way ports on a third two-position three-way electromagnetic valve, and the third way port on the third two-position three-way electromagnetic valve is connected with an air outlet of the air compressor through a main air pipe;
the top of the first water tank is connected with an air outlet pipe, the tail end of the first water tank is connected with a first access port on a first two-position two-way electromagnetic valve, and the top of the second water tank is connected with the air outlet pipe, and the tail end of the second water tank is connected with a first access port on a second two-position two-way electromagnetic valve; and the other access ports of the first two-position two-way electromagnetic valve and the second two-position two-way electromagnetic valve are communicated with the external atmosphere.
Furthermore, level gauges are respectively installed at the same height positions in the first water tank and the second water tank.
Further, in the initial state, at least one of the first water tank and the second water tank carries water submerging the liquid level meter.
Compared with the prior art, the invention has the following beneficial effects:
the system of the invention does not need to drive the cooling water to flow by a water pump, realizes the circulating reciprocating flow of the cooling water in the two water tanks by matching the electromagnetic valve and the liquid level meter with high-pressure gas from the air compressor, greatly reduces the consumption of electric energy, and has exquisite structure and excellent water cooling efficiency.
Of course, it is not necessary for any product to practice the invention to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the structure of a cooling system of a water-cooled motor in an air-cooled screw air compressor according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a first two-position three-way electromagnetic valve, 2-a third two-position three-way electromagnetic valve, 3-a first two-position two-way electromagnetic valve, 4-a first water tank, 5-a second two-position three-way electromagnetic valve, 6-a water-cooled main motor, 7-a heat exchanger, 8-a second water tank, 9-a second two-position two-way electromagnetic valve and 10-a liquid level meter.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.
In the description of the present invention, it is to be understood that the terms "upper," "end," "bottom," "top," "inner," and the like are used in an orientation or positional relationship merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
Referring to fig. 1, the cooling system for the water-cooled motor in the air-cooled screw type air compressor of the present invention includes a water-cooled main motor 6, a first water tank 4 and a second water tank 8 which are arranged on the upper portion of the water-cooled main motor 6 in a flush manner and have the same structure; in this embodiment, in the initial state, the first water tank 4 contains water submerging the liquid level meter 10;
the top parts of the first water tank 4 and the second water tank 8 are respectively connected with branch water pipes, the tail ends of the branch water pipes are connected with two water-cooling ports on the first two-position three-way electromagnetic valve 1, a third water-cooling port on the first two-position three-way electromagnetic valve 1 is communicated with a water-cooling port on the water-cooled main motor 6 through a main water pipe, and a heat exchanger 7 is arranged on the main water pipe between the water-cooled main motor 6 and the first two-position three-way electromagnetic valve 1;
the bottoms of the first water tank 4 and the second water tank 8 are respectively connected with a branch water pipe, the tail ends of the branch water pipes are connected with two access ports on the second two-position three-way electromagnetic valve 5, and a third access port on the second two-position three-way electromagnetic valve 5 is communicated with the other water cooling port on the water-cooled main motor 6 through a main water pipe;
the tops of the first water tank 4 and the second water tank 8 are respectively connected with a branch air pipe, the tail ends of the branch air pipes are connected with two access ports on the third two-position three-way electromagnetic valve 2, and the third access port on the third two-position three-way electromagnetic valve 2 is connected with an air outlet of an air compressor through a main air pipe;
the top of the first water tank 4 is connected with an air outlet pipe, and the tail end of the first water tank is connected with a first access port on the first two-position two-way electromagnetic valve 3; the other access ports of the first two-position two-way electromagnetic valve 3 and the second two-position two-way electromagnetic valve 9 are communicated with the outside atmosphere.
Wherein, the same height position in the first water tank 4 and the second water tank 8 is respectively provided with a liquid level meter 10.
The specific principle of the technical scheme of the invention is as follows:
forward flow: in an initial state, water submerging an inner liquid level meter 10 is filled in the first water tank 4, when an air compressor communicated with the third two-position three-way electromagnetic valve 2 is started, a passage port communicated with the second water tank 8 on the third two-position three-way electromagnetic valve 2, and passage ports connected with the outside atmosphere of the first two-position two-way electromagnetic valve 3 and the second two-position two-way electromagnetic valve 9 are closed, a passage port communicated with the first water tank 4 on the third two-position three-way electromagnetic valve 2 is opened, a passage port connected with the first water tank 4 on the second two-position three-way electromagnetic valve 5 is opened, and a passage port connected with the second water tank 8 is closed; an access port on the first two-position three-way electromagnetic valve 1, which is connected with the first water tank 4, is closed, and an access port on the first two-position three-way electromagnetic valve 1, which is connected with the second water tank 8, is opened; the first water tank 4 is pressurized, and on the basis of the pressure effect, water in the first water tank 4 flows through the water-cooled main motor 6 and the heat exchanger 7 in sequence through the second two-position three-way electromagnetic valve 5 and then flows into the second water tank 8 through the first two-position three-way electromagnetic valve 1, and in the process, the heat exchanger 7 cools hot water generated by the water-cooled main motor 6; when the water level in the first water tank 4 is reduced to be below the liquid level meter 10, the liquid level meter 10 in the first water tank 4 is triggered, so that the channel ports of the first two-position two-way electromagnetic valve 3 and the second two-position two-way electromagnetic valve 9, which are connected with the atmosphere, are opened, the pressure is released, after the pressure is released, the channel ports are closed again, and then the reverse flow is carried out;
reverse flow: an access port on the third two-position three-way electromagnetic valve 2 communicated with the second water tank 8 is opened, an access port connected with the first water tank 4 is closed, an access port on the second two-position three-way electromagnetic valve 5 connected with the first water tank 4 is closed, and an access port connected with the second water tank 8 is opened; an access port on the first two-position three-way electromagnetic valve 1, which is connected with the first water tank 4, is opened, and an access port connected with the second water tank 8 is closed; the second water tank 8 is pressurized, on the basis of the pressure effect, water in the second water tank 8 flows through the water-cooled main motor 6 and the heat exchanger 7 in sequence through the second two-position three-way solenoid valve 5 and then flows into the first water tank 4 through the first two-position three-way solenoid valve 1, and in the process, the heat exchanger 7 cools and cools hot water generated by the water-cooled main motor 6; and when the water level in the second water tank 8 is reduced to below the liquid level meter 10, the passage ports of the first two-position two-way electromagnetic valve 3 and the second two-position two-way electromagnetic valve 9 connected with the atmosphere are opened, the pressure is released, after the release is finished, the two-position two-way electromagnetic valve is closed again, then the forward flow is carried out, and the reciprocating execution is carried out in sequence.
The power of water pump is generally between several hundred watts to several kilowatts, and solenoid valve and the level gauge that use are between several watts to three forty watts, through daily statistics and summarize, based on this technical scheme's system, in air-cooled screw air compressor, can practice thrift the electric energy between 0.55KW-5.5KW every hour on the basis of water-cooled motor uses.
Has the advantages that:
the system of the invention does not need to drive the cooling water to flow by a water pump, realizes the circulating reciprocating flow of the cooling water in the two water tanks by matching the electromagnetic valve and the liquid level meter with high-pressure gas from the air compressor, greatly reduces the consumption of electric energy, and has exquisite structure and excellent water cooling efficiency.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (3)
1. The cooling system of the water-cooling motor in the air-cooled screw type air compressor comprises a water-cooled main motor (6), and is characterized in that a first water tank (4) and a second water tank (8) which are identical in structure are arranged on the upper portion of the water-cooled main motor (6) in a flush manner;
the top parts of the first water tank (4) and the second water tank (8) are respectively connected with a branch water pipe, the tail ends of the branch water pipes are connected with two water-cooling ports on a first two-position three-way electromagnetic valve (1), a third water-cooling port on the first two-position three-way electromagnetic valve (1) is communicated with a water-cooling port on a water-cooling main motor (6) through a main water pipe, and a heat exchanger (7) is arranged on the main water pipe between the water-cooling main motor (6) and the first two-position three-way electromagnetic valve (1);
the bottoms of the first water tank (4) and the second water tank (8) are respectively connected with a branch water pipe, the tail ends of the branch water pipes are connected with two water cooling ports on a second two-position three-way electromagnetic valve (5), and a third water cooling port on the second two-position three-way electromagnetic valve (5) is communicated with the other water cooling port on a water-cooled main motor (6) through a main water pipe;
the tops of the first water tank (4) and the second water tank (8) are respectively connected with a branch air pipe, the tail ends of the branch air pipes are connected with two access ports on a third two-position three-way electromagnetic valve (2), and the third access port on the third two-position three-way electromagnetic valve (2) is connected with an air outlet of an air compressor through a main air pipe;
the top of the first water tank (4) is connected with an air outlet pipe, the tail end of the first water tank is connected with a first access port on the first two-position two-way electromagnetic valve (3), the top of the second water tank (8) is connected with an air outlet pipe, and the tail end of the second water tank is connected with a first access port on the second two-position two-way electromagnetic valve (9); and the other access ports of the first two-position two-way electromagnetic valve (3) and the second two-position two-way electromagnetic valve (9) are communicated with the external atmosphere.
2. The cooling system for the water-cooled motor in the air-cooled screw-type air compressor as claimed in claim 1, wherein the liquid level meters (10) are respectively arranged at the same height positions in the first water tank (4) and the second water tank (8).
3. The cooling system for the water-cooled motor in the air-cooled screw-type air compressor as claimed in claim 1, wherein in the initial state, at least one of the first water tank (4) and the second water tank (8) carries water which submerges the liquid level meter (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210654611.2A CN115217764A (en) | 2022-06-10 | 2022-06-10 | Cooling system of water-cooled motor in air-cooled screw air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210654611.2A CN115217764A (en) | 2022-06-10 | 2022-06-10 | Cooling system of water-cooled motor in air-cooled screw air compressor |
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| CN115217764A true CN115217764A (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210654611.2A Pending CN115217764A (en) | 2022-06-10 | 2022-06-10 | Cooling system of water-cooled motor in air-cooled screw air compressor |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204694220U (en) * | 2015-06-20 | 2015-10-07 | 无锡丰元新材料科技有限公司 | The cooling device of X-ray thickness gauge |
| CN210660503U (en) * | 2020-01-16 | 2020-06-02 | 中国测试技术研究院电子研究所 | Multistage recycle system of air compressor machine waste heat |
| CN112160907A (en) * | 2020-09-15 | 2021-01-01 | 江苏科技大学 | Screw air compressor system of water lubrication bearing and control method thereof |
| CN215213950U (en) * | 2021-01-05 | 2021-12-17 | 福建省德奥针织科技有限公司 | Screw compressor's cooling system |
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2022
- 2022-06-10 CN CN202210654611.2A patent/CN115217764A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204694220U (en) * | 2015-06-20 | 2015-10-07 | 无锡丰元新材料科技有限公司 | The cooling device of X-ray thickness gauge |
| CN210660503U (en) * | 2020-01-16 | 2020-06-02 | 中国测试技术研究院电子研究所 | Multistage recycle system of air compressor machine waste heat |
| CN112160907A (en) * | 2020-09-15 | 2021-01-01 | 江苏科技大学 | Screw air compressor system of water lubrication bearing and control method thereof |
| CN215213950U (en) * | 2021-01-05 | 2021-12-17 | 福建省德奥针织科技有限公司 | Screw compressor's cooling system |
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