CN202391870U - Energy-saving oil temperature control device - Google Patents

Energy-saving oil temperature control device Download PDF

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Publication number
CN202391870U
CN202391870U CN2011204993072U CN201120499307U CN202391870U CN 202391870 U CN202391870 U CN 202391870U CN 2011204993072 U CN2011204993072 U CN 2011204993072U CN 201120499307 U CN201120499307 U CN 201120499307U CN 202391870 U CN202391870 U CN 202391870U
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China
Prior art keywords
fuel tank
temperature control
energy
control device
hydraulic
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Expired - Fee Related
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CN2011204993072U
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Chinese (zh)
Inventor
王金奎
纪国群
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TIANJIN TIANDUAN HYDRAULIC CO Ltd
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TIANJIN TIANDUAN HYDRAULIC CO Ltd
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Publication of CN202391870U publication Critical patent/CN202391870U/en
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Abstract

An energy-saving oil temperature control device comprises a hydraulic mechanical oil tank, a temperature sensor, a temperature control instrument, a programmable logic controller, a heating pipe, a hydraulic system, an inner refrigerating system and an outer refrigerating system. The input end of the temperature sensor is connected with the oil tank, and the output end of the temperature sensor is connected with the input end of the temperature control instrument. The output end of the temperature control instrument is connected with the input end of the programmable logic controller. The output end of the programmable logic controller is respectively connected with the heating pipe, the hydraulic system, the oil tank, the inner refrigerating system and the outer refrigerating system. The output ends of the heating pipe, the hydraulic system, the inner refrigerating system and the outer refrigerating system are connected with the oil tank respectively. The energy-saving oil temperature control device has the advantages of being capable of completely guaranteeing that the oil tank is in an optimum temperature range, viscosity of hydraulic oil value can not be damaged due to working and environment changes, and hydraulic oil can not be carbonized. Service life of the hydraulic oil is prolonged, degree of pollution of the hydraulic oil on environment is reduced, a tool hydraulic system can be effective to the largest extent, and transmission efficiency of the hydraulic system is improved.

Description

A kind of energy-saving oil temperature control device
(1) technical field:
The utility model relates to a kind of hydraulic machine newly manufactured, especially a kind of energy-saving oil temperature control device.
(2) background technique:
Now, the continuous river in Zhejiang Province of novel manufacturing industry is existing, and the big production of socialization forms in open China, becomes better and approaching perfection day by day.For reaching high efficiency, low-cost processing effect, hydraulic equipment constantly uses state-of-the-art technology theoretical, adopts new technology, new material, and the pressure and the pressing speed scope that promote the hydraulic pressure press device to be provided are wideer than any way transmission range.Can simulate any operating mode, export various process parameters.Make simple, blending material internal organizational structure along with equipment is exerted pressure, speed and temperature constantly change, and then the variation of physical property takes place, make product performance reach application target.Hydraulic equipment than whenever the operating time was long is in the past made beat and is accelerated, and shortens process time.Improve the reliability of equipment to greatest extent, prolong the equipment Mean Time Between Failure.
Though hydraulic system is existing great hidden danger press-fiting, having the superiority that other transmission system (like manual machinery etc.) can't match in excellence or beauty in the pressing process process aspect the hydraulic system operation.Because hydraulic transmission is a kind of type of belt drive that carries out energy transfer with liquid as working medium.The height of working medium temperature produces influence significantly to its viscosity, and pilot pressure, flow are played a role, and is directly connected to quality of product.
The forging equipment that current most hydraulic press MANUFACTURER produces only stresses to use oil viscosity and bad border temperature when realizing different pressing process.Equipment self can not play the working medium temperature and regulate control.If long-term work, the gas tank gage area of equipment can not be with oily heat in time through moving air heat radiation or balance, and oil will be damaged.System element can damage, and especially Sealing more is prone to wear out, and the hydraulic system seepage reduces system synthesis transmission material rate.Lathe can not be realized predetermined ground technological action.
Though the MANUFACTURER that has uses technology, bad border according to the user, cooling system or heating system in the hydraulic equipment system, have been designed.Often take following measure:
1. outer refrigeration modes: a. is with air-cooled, the water-cooled cooling unit of hydraulic system oil return process; B., oil cooler is installed on fuel tank, the hydraulic oil in the casing is dragged to electric refrigeration plant inside cool off, fail again and get back to fuel tank, to reach the cooling purpose.
2. built-in cold mode: the hydraulic system oil return is cooled off through radiator, and the wind of radiator is to be driven by motor ventilating fan.
3. increase the fuel tank size.
Above variety of way has played certain cooling effect, reduces heat but need to consume certain energy.Because can't be with the fuel tank Temperature Feedback and to cooling unit control, therefore no matter ambient temperature and operating time, cooling system starts from start to finish, and the quadergy loss almost accounts for total energy about 7%~12%.Can not satisfy energy-saving and emission-reduction, the scientific design requirement.
(3) model utility content:
The purpose of the utility model is to provide a kind of energy-conservation oil-temperature control device, and it can solve the deficiency of existing technology, and scientific and reasonable controlled hydraulic system temperature improves transmission efficiency; Reduce energy loss, avoid seepage, improved the pollution of equipment environment.
The technological scheme of the utility model: a kind of energy-saving oil temperature control device; Comprise the hydraulic machinery fuel tank, it is characterized in that also comprising temperature transducer, temperature control instrument, programmable logic controller (PLC), heating pipe, hydraulic system, interior refrigeration system and outer refrigeration system; The input end of said temperature transducer is connected with fuel tank, and the output terminal of temperature transducer is connected with the input end of temperature control instrument; The output terminal of said temperature control instrument connects the input end of programmable logic controller (PLC); The output terminal of said programmable logic controller (PLC) connects heating pipe, hydraulic system, fuel tank, interior refrigeration system and outer refrigeration system respectively; The output terminal of said heating pipe, hydraulic system, interior refrigeration system and outer refrigeration system connects fuel tank respectively.
Said a kind of energy-saving oil temperature control device also comprises liquid level sensor; The input end of liquid level sensor is connected with fuel tank, and the output terminal of liquid level sensor connects the input end of programmable logic controller (PLC).
The point for measuring temperature of said temperature transducer is apart from fuel tank case limit 100-300mm, and height is the 1/4-1/2 of liquid height at the bottom of the fuel tank case.
Said liquid level sensor is installed in the 100mm-300mm place, position apart from temperature transducer, 200mm-400mm at the bottom of the liquid level perigee distance fuel tank case.
Said heating pipe is installed in the one side that the fuel tank side is on the verge of fuel tank cleaning plate, and parallel with liquid surface, apart from 200mm-300mm at the bottom of the fuel tank case.
Said hydraulic system is installed in fuel tank case lid top.
The interior refrigeration and heat radiator of refrigeration system and rack arrangement are on the fuel tank case lid in said, and its filler opening is connected on equipment hydraulic system return tube by the tubular type solenoid valve, export below the liquid level that is installed in fuel tank internal.
Said outer refrigeration system is connected with equipment hydraulic system return tube through the tubular type solenoid valve, and the other end places under the pasta; Cooling medium adopts wind or water, or adopts oily refrigeration plant.
Said temperature transducer is the copper thermistor thermometric, has stability well; Measure temperature range-50 ℃~150 ℃.
Said liquid level sensor is to be used to detect whether the hydraulic pressure oil mass meets equipment requirements in the fuel tank.
Said temperature control instrument is made up of temperature sensor module, digital module, control module and display device.
Said heating pipe comprises stainless steel, resistance wire.
Said hydraulic system comprises motor-driven gear pump, pressure valve and oil purifier.
Said normal operation is that fuel tank energy-saving oil-temperature control device in the time of 15 ℃~50 ℃ is out of service.
Refrigeration system is made up of radiator, support in said; The oil temperature is 50 ℃~65 ℃ startups.
Said outer refrigeration system is made up of motor driving air-cooled radiator or water-filled radiator; Oil temperature >=65 ℃ of startups; Said water-filled radiator cooling circulating water is 15 ℃~30 ℃.
Said fuel tank is to be welded by steel plate, forms the hydraulic system platform; Whole hydraulic element, auxiliary element and power plant are arranged in the fuel tank.
The working principle of the utility model: produce heat according to empirical correlation or hydraulic system, rationally confirm the fuel tank size.Consider hydraulic system planning space simultaneously.The fuel tank heat dissipating capacity: ND=KA Δ t, the K-coefficient of heat transfer, the A-heat diffusion area, Δ t-oil temperature is poor with temperature.The heat that hydraulic system produces: the power loss N1=N of oil pump (1-η); The input power of N-oil pump.Heat N2=pQ/6 * 10 that relief valve produces 7Fluid produces heat N3=(0.03~0.05) N in system pipeline and valve flow, and total amount of heat: N is total=N1+N2+N3.According to law of conservation of energy: ND=N is total.
According to empirical value, equipment work environment and hydraulic oil characteristic, selected PLC controls temperature spots and control mode.
The fuel tank temperature :≤-15 ℃ start heating pipe.Heating power depends on oil mass, temperature rise time and environment.
-15 ℃~15 ℃ primer fluid pressing systems.
15 ℃~50 ℃ energy-saving oil temperature control devices stop.
Refrigeration plant in 50 ℃~65 ℃ startups.
>65 start outer refrigeration plant.
Programmable logic controller (PLC) according to temperature set-point identification humidity province, is confirmed the working method of temperature controlling device through hydraulic fluid temperature.Make control meet most economicalization, energy-conservationization.
The working procedure of the utility model:
At first temperature transducer, liquid level sensor are given temperature controlling instrument and programmable logic controller (PLC) through compensating wire with the hydraulic oil state transfer of fuel tank behind the device start.If the hydraulic pressure oil mass does not reach predetermined and promptly highly do not meet the demands, equipment is not worked, and reports to the police simultaneously with prompting operation person's oiling.
Temperature transducer passes to temperature controlling instrument by compensating wire with sensor object thermal electromotive force physical quantity through important driving medium (hydraulic oil) temperature row is detected, and through programmable logic controller (PLC) predetermined preferred temperature value is judged; Automatically select to set working method oily temperature is adjusted and controlled, make it reach the normal working temperature scope, the equipment work that just can bring into operation; Realize predetermined technological action program, produce acceptable product.
According to the fuel tank state of temperature, temperature control system is adjusted oil liquid temperature automatically by programmable logic controller (PLC) and control corresponding element, makes it in the shortest time, reach the fluid operating temperature range, promptly 15 ℃~50 ℃.The energy-saving oil temperature control device quits work automatically, is in energy saver mode.The heat that heat that hydraulic work system produces and fuel tank distribute reaches transient equiliblium.
The superiority of the utility model: 1, adopt this programme both can guarantee fully that fluid was in optimum temperature range, the viscosity of hydraulic oil value can be damaged because of work and environmental change, can carbonization yet; Prolonged the working life of hydraulic oil on the one hand, reduced the pollution level of fluid, on the other hand, made machine tool hydraulic system performance maximum effect, greatly improved the hydraulic system transmission efficiency environment; 2, have application widely, the continual operating time of increase equipment, shorten Stop-Time of Device Failure, improved manufacturing efficiency; 3, this device has been widely used in the hydraulic press of similar large-scale tonnages such as Y31, Y32 and Y27, especially has the equipment of topping up case, outstanding more its high efficiency, high reliability; Though 4 manufacturing process complexity coefficients have improved 3 times, the machine halt trouble rate reduces by 2.5 times, and seal durability improves 5 times, and energy consumption has reduced about 3 times, to enterprise and social considerable economic benefit.
(4) description of drawings:
Fig. 1 is the logic control schematic diagram of the related energy-conservation oil-temperature control device of the utility model.
Fig. 2 is the structural representation of the related energy-conservation oil-temperature control device of the utility model.
Wherein, 1 is temperature transducer, and 2 is liquid level sensor, and 3 is heating pipe, and 4 is hydraulic system, and 5 is interior refrigeration system, and 6 is outer refrigeration system, and 7 is fuel tank.
(5) embodiment:
Embodiment: a kind of energy-saving oil temperature control device (seeing Fig. 1, Fig. 2); Comprise hydraulic machinery fuel tank 7, it is characterized in that also comprising temperature transducer 1, temperature control instrument, programmable logic controller (PLC), heating pipe 3, hydraulic system 4, interior refrigeration system 5 and outer refrigeration system 6; The input end of said temperature transducer 1 is connected with fuel tank 7, and the output terminal of temperature transducer 1 is connected with the input end of temperature control instrument; The output terminal of said temperature control instrument connects the input end of programmable logic controller (PLC); The output terminal of said programmable logic controller (PLC) connects heating pipe 3, hydraulic system 4, fuel tank 7, interior refrigeration system 5 and outer refrigeration system 6 respectively; The output terminal of said heating pipe 3, hydraulic system 4, interior refrigeration system 5 and outer refrigeration system 6 connects fuel tank 7 respectively.
Said a kind of energy-saving oil temperature control device also comprises liquid level sensor 2; The input end of liquid level sensor 2 is connected with fuel tank 7, and the output terminal of liquid level sensor 2 connects the input end of programmable logic controller (PLC).(seeing Fig. 1, Fig. 2)
The point for measuring temperature of said temperature transducer 1 is apart from 7 casees limit 200mm of fuel tank, and height is 1/3 of a liquid height at the bottom of the fuel tank 7 casees.(see figure 2)
Said liquid level sensor 2 is installed in the 150mm place, position apart from temperature transducer 1,300mm at the bottom of the liquid level perigee distance fuel tank 7 casees.(see figure 2)
Said heating pipe 3 is installed in the one side that fuel tank 7 sides are on the verge of fuel tank 7 cleaning plates, and parallel with liquid surface, apart from 250mm at the bottom of the fuel tank 7 casees.(see figure 2)
Said hydraulic system 4 is installed in fuel tank 7 case lid tops.(see figure 2)
The interior refrigeration and heat radiator of refrigeration system 5 and rack arrangement are on fuel tank 7 case lids in said, and its filler opening is connected on equipment hydraulic system return tube by the tubular type solenoid valve, export below the liquid level that is installed in fuel tank 7 inside.(see figure 2)
Said outer refrigeration system 6 is connected with equipment hydraulic system return tube through the tubular type solenoid valve, and the other end places under the pasta; Cooling medium adopts wind or water, or adopts oily refrigeration plant.
Said temperature transducer 1 is the copper thermistor thermometric, has stability well; Measure temperature range-50 ℃~150 ℃.
Said liquid level sensor 2 is to be used to detect whether the hydraulic pressure oil mass meets equipment requirements in the fuel tank.
Said temperature control instrument is made up of temperature sensor module, digital module, control module and display device.
Said heating pipe 3 comprises stainless steel, resistance wire.
Said hydraulic system 4 comprises motor-driven gear pump, pressure valve and oil purifier.
Said normal operation is that fuel tank 7 energy-saving oil-temperature control device in the time of 15 ℃~50 ℃ is out of service.
Refrigeration system 5 is made up of radiator, support in said; The oil temperature is 50 ℃~65 ℃ startups.
Said outer refrigeration system 6 is made up of motor driving air-cooled radiator or water-filled radiator; Oil temperature >=65 ℃ of startups; Said water-filled radiator cooling circulating water is 15 ℃~30 ℃.
Said fuel tank 7 is to be welded by steel plate, forms hydraulic system 4 platforms; Whole hydraulic element, auxiliary element and power plant are arranged in the fuel tank 7.

Claims (10)

1. an energy-saving oil temperature control device comprises the hydraulic machinery fuel tank, it is characterized in that also comprising temperature transducer, temperature control instrument, programmable logic controller (PLC), heating pipe, hydraulic system, interior refrigeration system and outer refrigeration system; The input end of said temperature transducer is connected with fuel tank, and the output terminal of temperature transducer is connected with the input end of temperature control instrument; The output terminal of said temperature control instrument connects the input end of programmable logic controller (PLC); The output terminal of said programmable logic controller (PLC) connects heating pipe, hydraulic system, fuel tank, interior refrigeration system and outer refrigeration system respectively; The output terminal of said heating pipe, hydraulic system, interior refrigeration system and outer refrigeration system connects fuel tank respectively.
2. according to the said a kind of energy-saving oil temperature control device of claim 1, it is characterized in that said a kind of energy-saving oil temperature control device also comprises liquid level sensor; The input end of liquid level sensor is connected with fuel tank, and the output terminal of liquid level sensor connects the input end of programmable logic controller (PLC).
3. according to the said a kind of energy-saving oil temperature control device of claim 1, the point for measuring temperature that it is characterized in that said temperature transducer is apart from fuel tank case limit 100-300mm, and height is the 1/4-1/2 of liquid height at the bottom of the fuel tank case.
4. according to the said a kind of energy-saving oil temperature control device of claim 1, it is characterized in that said liquid level sensor is installed in the 100mm-300mm place, position apart from temperature transducer, 200mm-400mm at the bottom of the liquid level perigee distance fuel tank case.
5. according to the said a kind of energy-saving oil temperature control device of claim 1, it is characterized in that said heating pipe is installed in the one side that the fuel tank side is on the verge of fuel tank cleaning plate, and parallel with liquid surface, apart from 200mm-300mm at the bottom of the fuel tank case.
6. according to the said a kind of energy-saving oil temperature control device of claim 1, it is characterized in that said hydraulic system is installed in fuel tank case lid top.
7. according to the said a kind of energy-saving oil temperature control device of claim 1; It is characterized in that said in interior refrigeration and heat radiator and the rack arrangement of refrigeration system on the fuel tank case lid; Its filler opening is connected on equipment hydraulic system return tube by the tubular type solenoid valve, exports below the liquid level that is installed in fuel tank internal.
8. according to the said a kind of energy-saving oil temperature control device of claim 1, it is characterized in that said outer refrigeration system is connected with equipment hydraulic system return tube through the tubular type solenoid valve, the other end places under the pasta; Cooling medium adopts wind or water, or adopts oily refrigeration plant; Said cooling medium is 15 ℃~30 ℃.
9. according to the said a kind of energy-saving oil temperature control device of claim 1, it is characterized in that said temperature transducer is the copper thermistor thermometric, have stability well; Measure temperature range-50 ℃~150 ℃.
10. according to the said a kind of energy-saving oil temperature control device of claim 1, it is characterized in that said temperature control instrument is made up of temperature sensor module, digital module, control module and display device; Said heating pipe comprises stainless steel, resistance wire; Said hydraulic system comprises motor-driven gear pump, pressure valve and oil purifier; Said fuel tank is to be welded by steel plate, forms the hydraulic system platform; Whole hydraulic element, auxiliary element and power plant are arranged in the fuel tank.
CN2011204993072U 2011-12-05 2011-12-05 Energy-saving oil temperature control device Expired - Fee Related CN202391870U (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102966642A (en) * 2012-11-20 2013-03-13 权衡 Automatic temperature control system for mine operating car
CN103132701A (en) * 2012-12-28 2013-06-05 柳州市桥厦工程管材有限公司 Intelligent numerical control tensioning device capable of automatically adapting to temperature
CN103334988A (en) * 2013-06-26 2013-10-02 苏州长发塑胶有限公司 Hydraulic oil temperature controlling device of injection molding machine
CN103713671A (en) * 2013-12-12 2014-04-09 江苏苏讯新材料科技有限公司 Control system for steel strip
CN104235121A (en) * 2013-06-09 2014-12-24 上海梅山钢铁股份有限公司 Hydraulic oil tank temperature control method and device
CN105114402A (en) * 2015-09-17 2015-12-02 广州市骏合液压机械有限公司 Intelligent low-temperature hydraulic system
CN109372835A (en) * 2018-11-26 2019-02-22 上海霍塔浩福自动化测试技术有限公司 A kind of hydraulic oil temperature control method of turbocharger detection device
CN110630592A (en) * 2019-09-24 2019-12-31 夏士桀 Energy-saving hydraulic station with good heat dissipation effect
CN113110643A (en) * 2021-05-18 2021-07-13 深圳市优界科技有限公司 Temperature control device and temperature control method thereof
CN114046296A (en) * 2021-11-08 2022-02-15 中国人民解放军火箭军工程大学 Intelligent temperature control system of hydraulic oil tank and design method thereof

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102966642A (en) * 2012-11-20 2013-03-13 权衡 Automatic temperature control system for mine operating car
CN103132701A (en) * 2012-12-28 2013-06-05 柳州市桥厦工程管材有限公司 Intelligent numerical control tensioning device capable of automatically adapting to temperature
CN104235121A (en) * 2013-06-09 2014-12-24 上海梅山钢铁股份有限公司 Hydraulic oil tank temperature control method and device
CN104235121B (en) * 2013-06-09 2017-06-23 上海梅山钢铁股份有限公司 A kind of temperature controlled method and apparatus of hydraulic oil container
CN103334988A (en) * 2013-06-26 2013-10-02 苏州长发塑胶有限公司 Hydraulic oil temperature controlling device of injection molding machine
CN103713671A (en) * 2013-12-12 2014-04-09 江苏苏讯新材料科技有限公司 Control system for steel strip
CN105114402A (en) * 2015-09-17 2015-12-02 广州市骏合液压机械有限公司 Intelligent low-temperature hydraulic system
CN109372835A (en) * 2018-11-26 2019-02-22 上海霍塔浩福自动化测试技术有限公司 A kind of hydraulic oil temperature control method of turbocharger detection device
CN109372835B (en) * 2018-11-26 2023-01-20 上海霍塔浩福自动化测试技术有限公司 Hydraulic oil temperature control method of turbocharger detection equipment
CN110630592A (en) * 2019-09-24 2019-12-31 夏士桀 Energy-saving hydraulic station with good heat dissipation effect
CN113110643A (en) * 2021-05-18 2021-07-13 深圳市优界科技有限公司 Temperature control device and temperature control method thereof
CN114046296A (en) * 2021-11-08 2022-02-15 中国人民解放军火箭军工程大学 Intelligent temperature control system of hydraulic oil tank and design method thereof

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Granted publication date: 20120822

Termination date: 20121205