CN108916160B - Automatic oil temperature control system for testing of swing cylinder motor - Google Patents
Automatic oil temperature control system for testing of swing cylinder motor Download PDFInfo
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- CN108916160B CN108916160B CN201811030985.7A CN201811030985A CN108916160B CN 108916160 B CN108916160 B CN 108916160B CN 201811030985 A CN201811030985 A CN 201811030985A CN 108916160 B CN108916160 B CN 108916160B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
- F15B19/005—Fault detection or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
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- Fluid Mechanics (AREA)
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- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses an automatic oil temperature control system during a tilt cylinder motor test, which comprises a control module, a cooling module, a heating module, a detection module and a voice reminding module, wherein the control module is respectively connected with the cooling module, the heating module and the detection module; the problem that the automatic oil temperature control effect of an automatic oil temperature control system is not ideal due to the fact that the existing automatic oil temperature control system of some engines only heats or cools through a heating or cooling device when controlling the oil temperature and neglects other factors influencing the oil temperature is solved through the arrangement of the oil level detection system, the temperature detection system and the pressure detection system.
Description
Technical Field
The invention belongs to the technical field of hydraulic test systems, and particularly relates to an automatic oil temperature control system during testing of a tilt cylinder motor.
Background
The oscillating cylinder motor is a low-speed large-torque motor with end-face oil distribution and no connecting rod crankshaft. The hydraulic transmission system has wide application range, and can be applied to hydraulic transmission systems of various machines such as injection molding machines, light industrial machinery, engineering machinery, metallurgical equipment, petroleum, coal mines, geological exploration, railways, ships, environmental protection, machine tools, agricultural machinery and the like. The factory test is an important test item of the tilt cylinder motor, and the oil temperature in the tilt cylinder motor needs to be controlled during the test;
the factors influencing the oil temperature mainly comprise the following factors:
1. the hydraulic system has defects in design;
2. the great loss enables the pressure energy to be converted into heat;
3. the oil level in the hydraulic oil tank is too low, and if the oil amount in the hydraulic oil tank is too small, the hydraulic system does not have enough flow to take away the heat generated by the hydraulic system, so that the oil temperature is increased;
4. oil heating caused by large volume loss;
5. oil heating caused by large mechanical loss;
6. the oil liquid generates heat when the pressure is adjusted to be too high;
the test system in the prior art has low automation degree, cannot automatically complete the test process, has high working intensity of operators and low test efficiency, and cannot accurately process and store test data; the oil temperature can not be automatically controlled in the testing process, so that the testing difficulty is increased, and the existing automatic oil temperature control systems of some engines only heat or cool through a heating or cooling device when controlling the oil temperature, neglect other factors influencing the oil temperature, and further cause the problem that the automatic oil temperature control effect of the automatic oil temperature control systems is not ideal.
Disclosure of Invention
The invention provides an automatic oil temperature control system for testing a tilt cylinder motor, and aims to solve the problem that the automatic oil temperature control effect of the automatic oil temperature control system is not ideal due to the fact that the temperature is only raised or lowered by a heating or cooling device when the oil temperature is controlled by some conventional automatic oil temperature control systems for engines, and other factors influencing the oil temperature are ignored.
The invention is realized in such a way that an automatic oil temperature control system during a swing cylinder motor test is characterized by comprising a control module, a cooling module, a heating module, a detection module and a voice reminding module, wherein the control module is respectively connected with the cooling module, the heating module and the detection module, the control module is also connected with a storage module, the control module is connected with the voice reminding module through the storage module, the cooling module comprises an oil pumping unit and a water cooling unit, the detection module comprises an oil level detection module, a temperature detection module and a pressure detection module, the temperature detection module comprises a water temperature detection unit and an oil temperature detection unit, the water temperature detection unit and the oil temperature detection unit are both provided with temperature sensors, and when the temperature sensors in the water temperature detection unit detect water temperature, the water temperature information is transmitted to the control module, the control module compares the water temperature information with the oil temperature information;
the oil level detection module includes liquid level display, liquid level display is used for showing the oil level, temperature detection module includes temperature sensor, temperature sensor is used for detecting the oil temperature, pressure detection module includes pressure sensor, pressure sensor is used for detecting pump oil pressure.
Preferably, the control module is a conventional central processing unit integrating data signal receiving and processing and instruction sending.
Preferably, a clock unit is further disposed in the control module, and the clock unit is configured to detect time.
Preferably, the storage module is a storage chip for storing information, and the storage chip stores the related voice information.
Preferably, the voice reminding module further comprises a speaker for sounding, and the speaker is electrically connected with the memory chip.
Preferably, the heating module is a heater for increasing the oil temperature when the oil temperature is low.
Preferably, the oil pumping unit comprises an oil pump unit, and the oil pump unit is used for supplying oil.
Preferably, the water cooling unit is a cooler for cooling by using a water cooling system, and the cooler is used for reducing the oil temperature.
Preferably, the water temperature detection unit is simultaneously located in the water cooling unit, and a temperature sensor on the water temperature detection unit is also contained in the water cooling unit.
Compared with the prior art, the invention has the beneficial effects that: according to the automatic oil temperature control system for the testing of the swing cylinder motor, the oil level detection system, the temperature detection system and the pressure detection system are arranged, so that the influence of too low oil level or too high pressure on the oil temperature is avoided, the oil temperature is detected in real time through the temperature detection system, the control module is used for controlling the cooling module and the heating module in real time, and the water cooling unit in the cooling module is used for reducing the oil temperature; or the oil pumping unit is used for reducing the oil pressure, so that the oil temperature is prevented from being influenced by more temperature generated by higher oil pressure; when the oil level detection module is low, the control module reminds workers to add oil through the voice reminding module, so that the condition that the oil temperature is increased due to too low oil level is avoided; the device solves the problem that the automatic oil temperature control effect of the automatic oil temperature control system is not ideal due to the fact that the temperature is only raised or lowered by the heating or cooling device when the oil temperature is controlled by some conventional automatic oil temperature control systems of the engines and other factors influencing the oil temperature are ignored.
It should be understood that the foregoing is illustrative of the preferred embodiments of the present invention and that numerous changes and modifications may be made by those skilled in the art without departing from the principles of the invention, which are also to be considered as within the scope of the invention.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic view of a detection module according to the present invention;
FIG. 3 is a schematic flow chart of the present invention;
FIG. 4 is a schematic flow chart of the present invention;
in the figure: 100-control module, 200-storage module, 300-voice reminding module, 400-cooling module, 410-oil pumping unit, 420-water cooling unit, 500-heating module, 600-detection module, 610-oil level detection module, 611-liquid level display, 620-temperature detection module, 621-water temperature detection unit, 622-oil temperature detection unit, 623-temperature sensor, 630-pressure detection module and 631-pressure sensor.
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 is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-4, the present invention provides a technical solution: an automatic oil temperature control system for a tilt cylinder motor during testing comprises a control module 100, a cooling module 400, a heating module 500, a detection module 600 and a voice reminding module 300, wherein the control module 100 is respectively connected with the cooling module 400, the heating module 500 and the detection module 600, the control module 100 is further connected with a storage module 200, the control module 100 is connected with the voice reminding module 300 through the storage module 200, the cooling module 400 comprises an oil pumping unit 410 and a water cooling unit 420, the detection module 600 comprises an oil level detection module 610, a temperature detection module 620 and a pressure detection module 630, the temperature detection module 620 comprises a water temperature detection unit 621 and an oil temperature detection unit 622, the water temperature detection unit 621 and the oil temperature detection unit 622 are both provided with a temperature sensor 623, when the temperature sensor 623 in the water temperature detection unit 621 detects the water temperature, the water temperature information is transmitted to the control module 100, and the control module 100 compares the water temperature information with the oil temperature information;
the oil level detection module 610 includes a liquid level display 611, the liquid level display 611 is used to display the oil level, the temperature detection module 620 includes a temperature sensor 623, the temperature sensor 623 is used to detect the oil temperature, the pressure detection module 630 includes a pressure sensor 631, and the pressure sensor 631 is used to detect the pump oil pressure.
In the embodiment, it can be understood that the oil temperature needs to be controlled to be 50 +/-4 ℃ during factory test of the tilt cylinder motor; the temperature sensor 623 in the oil temperature detection unit 622 detects oil temperature in real time, the oil temperature detection module 600 transmits the data to the control module 100 after the oil temperature detection, the control module 100 compares the data with a preset temperature range in the control module 100 after receiving the data, if the temperature is lower than 46 ℃, the oil temperature is too low, the control module 100 sends an instruction to the heating module 500, the heating module 500 heats the oil temperature through the heater after receiving the instruction, when the temperature sensor 623 in the oil temperature detection unit 622 detects that the temperature reaches 46 ℃, the control module 100 turns off the heater through the heating module 500, and the cylinder swinging motor starts to test; similarly, when the temperature is higher than 54 degrees, the oil temperature is too high, the control module 100 sends an instruction to the cooling module 400, after the cooling module 400 receives the instruction, the oil temperature is cooled through the water cooling unit 420, and when the temperature sensor 623 in the oil temperature detection unit 622 detects that the temperature reaches 46 ℃, the control module 100 turns off the heater through the heating module 500, and the tilt cylinder motor starts to test; in the process, the pressure sensor 631 in the pressure detection module 630 also detects the oil pressure pumped by the oil pump unit in real time, the pressure detection module 630 transmits the data to the control module 100 after the oil pressure detection, the control module 100 compares the data with a preset pressure range in the control module 100 after receiving the data, if the oil pressure is too high, the control module 100 sends an instruction to the oil pumping unit 410 in the cooling module 400, and after the oil pumping unit 410 receives the instruction, the oil pumping unit 410 reduces the output power of the oil pump unit, so that the pumped oil pressure is reduced, and the influence of the too high oil pressure on the oil temperature is avoided;
meanwhile, when the temperature sensor 623 in the oil temperature detection unit 622 detects that the oil temperature continuously rises and does not drop within 10 seconds, it is indicated that the cooling module 400 automatically controlling the oil temperature has a fault, at this time, the control module 100 detects the information, and after time judgment is performed by a clock unit therein, the control module 100 sends an instruction to the storage module 200, the storage module 200 transmits the relevant voice information which is stored in advance and related to the fault of the cooling module 400 to the voice reminding module 300, and the voice reminding module 300 broadcasts the information through a speaker therein to inform a worker of coming treatment, so that the continuous rise of the oil temperature is avoided, and thus a machine is damaged or a safety accident occurs; when the temperature sensor 623 in the water temperature detection unit 621 detects the water temperature, the water temperature information is transmitted to the control module 100, the control module 100 compares the water temperature information with the oil temperature information, if the water temperature is greater than or equal to the oil temperature, it is indicated that the water cooling unit 420 cannot continuously reduce the oil temperature, at this time, the control module 100 detects the information, the control module 100 sends an instruction to the storage module 200, the storage module 200 transmits the pre-stored related voice information about the overhigh water temperature to the voice reminding module 300, the voice reminding module 300 reports the information through a speaker therein, and it can be understood that the water temperature detection unit 621 is located in the water cooling unit 420 and is used for detecting the water temperature; the liquid level display 611 in the oil level detection module 610 transmits oil level information to the control module 100 in real time, when the oil level is low, the control module 100 detects the oil level information, the information is compared with oil level parameter information which is set in advance, if the oil level is lower than the lowest limit value of the oil level, the control module 100 sends an instruction to the storage module 200, the storage module 200 transmits relevant voice information which is stored in advance and is low about the oil level to the voice reminding module 300, the voice reminding module 300 broadcasts the information through a loudspeaker therein, and reminds workers to refuel, so that the influence of the low oil level on the oil temperature is avoided.
In the present embodiment, by providing the oil level detection system, the temperature detection system, and the pressure detection system, the influence of too low oil level or too high pressure on the oil temperature is avoided, and the oil temperature is detected in real time by the temperature detection system, and the cooling module 400 and the heating module 500 are controlled in real time by the control module 100, so that the oil temperature is reduced by the water cooling unit 420 in the cooling module 400; or the oil pumping unit 410 is used for reducing the oil pressure, so that the oil temperature is prevented from being influenced by more temperature generated by higher oil pressure; when the oil level detection module 610 is low, the control module 100 reminds the staff to add oil through the voice reminding module 300, so that the situation that the oil temperature is increased due to too low oil level is avoided; the device solves the problem that the automatic oil temperature control effect of the automatic oil temperature control system is not ideal due to the fact that the temperature is only raised or lowered by the heating or cooling device when the oil temperature is controlled by some conventional automatic oil temperature control systems of the engines and other factors influencing the oil temperature are ignored.
Further, the control module 100 is a conventional central processing unit integrating receiving and processing of data signals and sending of instructions.
In this embodiment, the central processing unit of the control module 100 has a structure of a single chip microcomputer system, an AD converter, and the like, and is mainly configured to receive data information transmitted from each module, perform a certain arithmetic operation, and send an instruction to other modules according to an operation result.
Further, a clock unit is disposed in the control module 100, and the clock unit is used for detecting time.
In the present embodiment, the clock unit is used to detect the time, and when the temperature sensor 623 in the oil temperature detection unit 622 detects that the oil temperature continuously increases and does not decrease within 10 seconds, it indicates that the cooling module 400 that automatically controls the oil temperature has a fault; the clock unit detects the time information to ensure the normal operation of the automatic oil temperature control system and avoid the continuous rise of the oil temperature, thereby damaging machines or causing safety accidents.
Further, the storage module 200 is a storage chip for storing information, and the storage chip stores related voice information.
In this embodiment, the storage module 200 stores the related voice information in advance, and is used for transmitting the voice data to the voice reminding module 300, so that the normal operation of the machine is ensured.
Further, the voice reminding module 300 further comprises a speaker for emitting sound, and the speaker is electrically connected with the memory chip.
In this embodiment, the memory chip in the memory module 200 converts the stored voice signal into an electrical signal with a certain frequency through the related circuit connection, so as to transmit the electrical signal to the speaker in the voice reminding module 300, and notify the operator of various states of the machine through the speaker, thereby ensuring that the oil temperature ancestor east control module 100 is not affected by other factors such as the oil pressure and the oil level to the maximum extent.
Further, the heating module 500 is a heater for raising the oil temperature when the oil temperature is low.
In the present embodiment, it can be understood that the present embodiment provides a heating manner of the heater, but is not limited to this manner, that is, air is heated by the heating wire, and the inner wall of the oil passage is heated by the circulation of hot air, so as to heat the oil temperature; the heating module 500 is used for heating oil, and is an essential part of an automatic oil temperature control system.
Further, the oil pumping unit 410 includes an oil pump unit for supplying oil.
In the present embodiment, the oil pump unit in the oil pumping unit 410 is a power device of the tilt cylinder motor, which pumps oil continuously for the tilt cylinder motor.
Further, the water cooling unit 420 is a cooler for cooling by using a water cooling system, and the cooler is used for reducing the oil temperature.
In this embodiment, the water cooling unit 420 uses a water cooling system to cool the oil liquid, and uses water with a lower temperature to absorb heat from the oil with a higher temperature, thereby reducing the oil temperature; is an essential part of an automatic oil temperature control system.
In the present embodiment, the oil temperature detecting unit 622 and the water temperature detecting unit 621 are used for detecting the oil temperature and the water temperature, are monitoring devices of the automatic oil temperature control system, detect the oil temperature and the water temperature in real time, and transmit temperature information to the control module 100, and are preferably BD-WZP-PT100 type oil temperature sensors.
Further, the water temperature detecting unit 621 is also located in the water cooling unit 420, and the temperature sensor 623 on the water temperature detecting unit 621 is also included in the water cooling unit 420.
In this embodiment, the water temperature detecting unit 621 belongs to a part of the water cooling unit 420 and is configured to detect the water temperature, and the temperature sensor 623 detects the water temperature and transmits the water temperature to the control module 100, so as to facilitate the control module 100 to control the normal operation of the water cooling unit 420, and thus the cooling module 400 can automatically cool the oil with the excessive temperature.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. An automatic oil temperature control system for a tilt cylinder motor during testing is characterized by comprising a control module, a cooling module, a heating module, a detection module and a voice reminding module, the control module is respectively connected with the cooling module, the heating module and the detection module, the control module is also connected with a storage module, the control module is connected with the voice reminding module through the storage module, the cooling module comprises an oil pumping unit and a water cooling unit, the detection module comprises an oil level detection module, a temperature detection module and a pressure detection module, the temperature detection module comprises a water temperature detection unit and an oil temperature detection unit, the water temperature detection unit and the oil temperature detection unit are both provided with temperature sensors, when a temperature sensor in the water temperature detection unit detects the water temperature, the water temperature information is transmitted to the control module, and the control module compares the water temperature information with the oil temperature information;
the oil level detection module includes liquid level display, liquid level display is used for showing the oil level, temperature detection module includes temperature sensor, temperature sensor is used for detecting the oil temperature, pressure detection module includes pressure sensor, pressure sensor is used for detecting pump oil pressure.
2. The system as claimed in claim 1, wherein the control module is a conventional central processing unit integrating data signal receiving and processing, and command sending.
3. The system as claimed in claim 2, wherein a clock unit is further disposed in the control module, and the clock unit is used for detecting time.
4. The system as claimed in claim 1, wherein the storage module is a memory chip for storing information, and the memory chip stores related voice information.
5. The automatic oil temperature control system for the testing of the tilt cylinder motor as claimed in claim 1 or 3, wherein the voice reminding module further comprises a speaker for sounding, and the speaker is electrically connected with the memory chip.
6. The system as claimed in claim 1, wherein the heating module is a heater for increasing the oil temperature when the oil temperature is low.
7. The automatic control system for oil temperature during the testing of the tilt cylinder motor as claimed in claim 1, wherein the oil pumping unit comprises an oil pump unit, and the oil pump unit is used for supplying oil.
8. The automatic control system for oil temperature during testing of the tilt cylinder motor as claimed in claim 1, wherein the water cooling unit is a cooler for cooling by using a water cooling system, and the cooler is used for reducing the oil temperature.
9. The system as claimed in claim 1, wherein the water temperature detecting unit is located in the water cooling unit, and the temperature sensor on the water temperature detecting unit is also included in the water cooling unit.
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| CN201811030985.7A CN108916160B (en) | 2018-09-05 | 2018-09-05 | Automatic oil temperature control system for testing of swing cylinder motor |
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| CN201811030985.7A CN108916160B (en) | 2018-09-05 | 2018-09-05 | Automatic oil temperature control system for testing of swing cylinder motor |
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| CN110701146A (en) * | 2019-09-30 | 2020-01-17 | 宁波青缇工业设计有限公司 | Oil temperature and oil pressure auxiliary control device suitable for hydraulic system |
| CN111749957B (en) * | 2020-06-30 | 2022-06-14 | 苏州苏试试验集团股份有限公司 | Control device and control method of high-pressure oil source for heavy-load swing table |
| CN112503061B (en) * | 2020-11-27 | 2023-03-24 | 浙江盈亿机械股份有限公司 | Oil temperature constant temperature intelligent control system |
| CN117759530B (en) * | 2023-12-29 | 2024-05-24 | 江苏新克医疗器械有限公司 | Quality control system of air pressure pump |
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| CN101178061A (en) * | 2007-11-29 | 2008-05-14 | 浙江大学 | Concrete pump intelligent monitoring and control system |
| CN102734273A (en) * | 2012-06-15 | 2012-10-17 | 三一重机有限公司 | Oil temperature control device, hydraulic system and oil temperature control method thereof |
| CN203441877U (en) * | 2013-08-23 | 2014-02-19 | 中节能(宿迁)生物质能发电有限公司 | Water-cooling circulator |
| CN103591087B (en) * | 2013-11-18 | 2017-10-27 | 中联重科股份有限公司 | temperature control device and control method of pumping hydraulic system and engineering machinery |
| CN106015177B (en) * | 2016-08-05 | 2018-03-13 | 芜湖中意液压科技股份有限责任公司 | Power Recovery tilt cylinder motor durability testing system |
| CN108287582A (en) * | 2018-03-29 | 2018-07-17 | 湖北松滋松川矿山机械有限公司 | A kind of status monitoring control system for large-scale vibrating screen |
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