CN101858372A - Oil-temperature control device - Google Patents
Oil-temperature control device Download PDFInfo
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- CN101858372A CN101858372A CN 201010140055 CN201010140055A CN101858372A CN 101858372 A CN101858372 A CN 101858372A CN 201010140055 CN201010140055 CN 201010140055 CN 201010140055 A CN201010140055 A CN 201010140055A CN 101858372 A CN101858372 A CN 101858372A
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Abstract
The invention discloses an oil-temperature control device, which mainly comprises an oil return tank, an oil return on-off control mechanism, a thermotank, an oil-inlet on-off control mechanism and an oil-inlet tank, wherein the oil return tank, the thermotank and the oil-inlet tank are connected through a pipeline; the oil return on-off control mechanism is arranged between the oil return tank and the thermotank; the oil-inlet on-off control mechanism is arranged between the thermotank and the oil-inlet tank; and the oil return tank and the oil-inlet tank are connected with a hydraulic system through a pipeline. Because the thermotank is arranged between the oil return tank and the oil-inlet tank, an oil temperature field in the thermotank is in the stable state, the temperature of the thermotank is spacially distributed uniformly, and the oil-temperature control device measures and controls the oil temperature easily and accurately, and is suitable for the hydraulic system with the strict requirement on the oil temperature variation range.
Description
Technical field
The invention belongs to machine-building and control technique field, particularly relate to a kind of based on three grades of oil-temperature control devices of thermostat for the basis.
Background technique
As everyone knows, the operating temperature with hydraulic oil remains in certain scope most important to the hydraulic system proper functioning.Because hydraulic system is of a great variety, its performance requirement and operating conditions difference are very big, thereby the definite of oil temperature best effort scope also just had nothing in common with each other.For hydraulic system manufacturer, temperature controlling device can be designed to manual control, observe oil temperature by the people and judge whether heater or cooler.But have relatively high expectations or oil temperature excursion is required strict hydraulic system for automaticity, then temperature controlling device should be designed to the pattern of control automatically.
The method of the oily temperature control of adopting mainly contains two kinds at present, and a kind of basic structure is with a fuel tank, at fuel tank internal heater and cooler is housed, and heating and cooling hydraulic oil meets the requirements of hydraulic fluid temperature, and whole process has temperature transducer to detect.Another kind of basic structure is respectively a high temperature fuel tank and a low temperature fuel tank with two fuel tanks.At two fuel tank internals heater and cooler are housed, are used for heating and cooling hydraulic oil, the hydraulic oil of different temperatures mixes according to a certain percentage at pipe interior in two fuel tanks, reaches the temperature of regulation, is detected by temperature transducer in the process.
The shortcoming of first method is that the fluid that oil return flows directly in fuel tank and the original fuel tank mixes, and exists fluid to stir, and fuel tank inner fluid temperature field instability, oily temperature space distribution are unbalanced, make that the oil temperature of temperature sensor measurement is unreliable.The shortcoming of second method is: because the temperature sensor response time is long, is difficult to the high low temperature liquid of real-time regulated and banishs ratio thereby be difficult to detect in real time high low temperature fuel tank true temperature, so the difficult assurance of oily temperature control precision after the high low temperature fluid mixed flow.
It is exactly that precision is not high that there is tangible deficiency in above-mentioned two kinds of methods, has relatively high expectations or requires strict hydraulic system to be difficult to satisfy its temperature control requirement to oil temperature excursion for automaticity.
Summary of the invention
The object of the present invention is to provide a kind of oil-temperature control device based on thermostat, this device can reach processing ease when carrying out temperature control, and the control accuracy height is applicable to oil temperature excursion is required strict hydraulic system.
For achieving the above object, technical solution of the present invention is:
The present invention is a kind of oil-temperature control device, and it mainly is made up of oil sump tank, oil return break-make control mechanism, thermostat, oil-feed break-make control mechanism and oil-feed tank; Connect by pipeline between described oil sump tank, thermostat and the oil-feed tank, oil return break-make control mechanism is set between oil sump tank and thermostat, oil-feed break-make control mechanism is set between thermostat and oil-feed tank, and oil sump tank is connected with hydraulic system by pipeline with oil-feed tank.
Described oil return break-make control mechanism and oil-feed break-make control mechanism are solenoid valve or pumping installations.
Described oil sump tank comprises oil return casing, last liquid-level switch, following liquid-level switch; The described upper and lower that is installed in the oil sump tank body sidewall respectively of going up liquid-level switch and following liquid-level switch is used to monitor the highest and minimum liquid level of oil return casing inner fluid.
Described thermostat comprises thermostatic box, last liquid-level switch, following liquid-level switch, heater, cooler, temperature transducer; The described upper and lower that is installed in the thermostatic box sidewall respectively of going up liquid-level switch and following liquid-level switch is used to monitor the highest and minimum liquid level of thermostatic box inner fluid; Described heater, cooler, temperature transducer all are installed in the inside of thermostatic box.
Described cooler is connected with peripheral cooling tower by pipeline, is provided with water valve on pipeline.
Described oil-feed tank comprises oil-feed casing, last liquid-level switch, following liquid-level switch, temperature transducer and heater; Described upper and lower of going up the sidewall that is installed in the oil-feed casing respectively of liquid-level switch and following liquid-level switch is used to monitor the highest and minimum liquid level of oil-feed casing inner fluid; Described heater, temperature transducer all are installed in the inside of oil-feed casing.
After adopting such scheme, because the present invention is provided with a thermostat between oil sump tank and oil-feed tank, can make that the oil liquid temperature field is in steady state in the thermostat, its temperature is equiblibrium mass distribution spatially, thereby carry out the accurate measurement and the control of oil temperature easily, be applicable to oil temperature excursion is required strict hydraulic system.
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
As shown in Figure 1, the present invention is a kind of oil-temperature control device, and it mainly is made up of oil sump tank 1, oil return break-make control mechanism 2, thermostat 3, oil-feed break-make control mechanism 4, oil-feed tank 5, hydraulic system 6.
Connect by pipeline between described oil sump tank 1, thermostat 3 and the oil-feed tank 5, oil return break-make control mechanism 2 is set between oil sump tank 1 and thermostat 3, oil-feed break-make control mechanism 4 is set between thermostat 3 and oil-feed tank 5.Oil sump tank 1 is connected with hydraulic system 6 by return line 7, and oil-feed tank 5 is connected with hydraulic system 6 by inlet line 8.
Described oil return break-make control mechanism 2 and oil-feed break-make control mechanism 4 are solenoid valve or pumping installations.
Described oil sump tank 1 comprises oil return casing 11, last liquid-level switch 12, following liquid-level switch 13.Describedly go up the upper and lower that is installed in oil return casing 11 sidewalls respectively of liquid-level switch 12 and play liquid-level switch 13 and testing signal is drawn, be used to monitor the highest liquid level and the minimum liquid level of oil return casing 11 inner fluids by going between.This part can the stocking system oil return, and by oil return break-make control mechanism 2 (solenoid valve) to the thermostat fuel feeding.
Described thermostat 3 comprises thermostatic box 31, last liquid-level switch 32, following liquid-level switch 33, heater 34, cooler 35, temperature transducer 36.Describedly go up the upper and lower that is installed in thermostatic box 31 sidewalls respectively of liquid-level switch 32 and play liquid-level switch 33 and testing signal is drawn, be used to monitor the highest liquid level and the minimum liquid level of thermostatic box 31 inner fluids by going between; Described heater 34, cooler 35, temperature transducer 36 all are installed in the inside of thermostatic box 31.Described cooler 35 is connected with peripheral cooling tower 10 by pipeline, is provided with water valve 20 on pipeline.
Described oil-feed tank 5 comprises oil-feed casing 51, last liquid-level switch 52, following liquid-level switch 53, temperature transducer 54 and heater 55.Also draw testing signal by going between the upper and lower of the described sidewall that is installed in oil-feed casing 51 respectively of going up liquid-level switch 52 and play liquid-level switch 53, is used to monitor the highest liquid level and the minimum liquid level of oil-feed casing 51 inner fluids.Described heater 55, temperature transducer 54 all are installed in the inside of oil-feed casing 51.
The working principle of this example:
Communicate by oil return break-make control mechanism 2 and oil-feed break-make control mechanism 4 respectively between oil sump tank 1 and thermostat 3, thermostat 3 and the oil-feed tank 5.The oil return of hydraulic system enters oil sump tank 1, and the liquid level height detects by last liquid-level switch 12 and following liquid-level switch 13 in the case, and when liquid level was too high or too low, system-down also provided corresponding warning message.Fluid enters in the thermostat 3 by oil return break-make control mechanism 2 in the oil sump tank 1, the temperature of fluid detects by temperature transducer 36, when temperature was higher than target temperature, cooler 35, water valve 20, cooling tower 10 were started working, and oily temperature is cooled to target temperature; When temperature was lower than target temperature, heater 34 was started working, and oily temperature is heated to target temperature, and liquid level is detected by last liquid-level switch 32 and following liquid-level switch 33 in the case, and when liquid level arrived a high position, oil return break-make control mechanism 2 cut out; When liquid level when low, oil return break-make control mechanism 2 is connected, oil-feed break-make control mechanism 4 (solenoid valve) cuts out.Oily temperature is in control range and not super last the prescribing a time limit of oil-feed tank liquid level in thermostat 3, and thermostat 3 fluid enter oil-feed tank 5 by oil-feed break-make control mechanism 4 (solenoid valve).Oil-feed tank 5 oil liquid temperatures are detected by temperature transducer 54, reduce then heater 55 work as temperature.The liquid level height is detected by last liquid-level switch 52 and following liquid-level switch 53 in the oil-feed tank 5, prescribes a time limit when liquid level reaches, and oil-feed break-make control mechanism 4 (solenoid valve) can not lead to oil; Cross when low when liquid level, system-down is reported to the police.
Emphasis of the present invention just is: a thermostat link is set between oil sump tank and oil-feed tank, can makes that the oil liquid temperature field is in steady state in the thermostat, its temperature is equiblibrium mass distribution spatially, thereby carries out the accurate measurement and the control of oil temperature easily.
The above, only be preferred embodiment of the present invention, three grades of each elements of fuel tank internal and peripheral unit setting type are varied, so can not limit the scope of the invention with this, the i.e. equivalence of doing according to the present patent application claim and specification changes and modifies, and all should still belong in the scope that patent of the present invention contains.
Claims (6)
1. oil-temperature control device, it is characterized in that: it mainly is made up of oil sump tank, oil return break-make control mechanism, thermostat, oil-feed break-make control mechanism and oil-feed tank; Connect by pipeline between described oil sump tank, thermostat and the oil-feed tank, oil return break-make control mechanism is set between oil sump tank and thermostat, oil-feed break-make control mechanism is set between thermostat and oil-feed tank, and oil sump tank is connected with hydraulic system by pipeline with oil-feed tank.
2. oil-temperature control device according to claim 1 is characterized in that: described oil return break-make control mechanism and oil-feed break-make control mechanism are solenoid valve or pumping installations.
3. oil-temperature control device according to claim 1 is characterized in that: described oil sump tank comprises oil return casing, last liquid-level switch, following liquid-level switch; The described upper and lower that is installed in the oil sump tank body sidewall respectively of going up liquid-level switch and following liquid-level switch is used to monitor the highest and minimum liquid level of oil return casing inner fluid.
4. oil-temperature control device according to claim 1 is characterized in that: described thermostat comprises thermostatic box, last liquid-level switch, following liquid-level switch, heater, cooler, temperature transducer; The described upper and lower that is installed in the thermostatic box sidewall respectively of going up liquid-level switch and following liquid-level switch is used to monitor the highest and minimum liquid level of thermostatic box inner fluid; Described heater, cooler, temperature transducer all are installed in the inside of thermostatic box.
5. oil-temperature control device according to claim 4 is characterized in that: described cooler is connected with peripheral cooling tower by pipeline, is provided with water valve on pipeline.
6. oil-temperature control device according to claim 1 is characterized in that: described oil-feed tank comprises oil-feed casing, last liquid-level switch, following liquid-level switch, temperature transducer and heater; Described upper and lower of going up the sidewall that is installed in the oil-feed casing respectively of liquid-level switch and following liquid-level switch is used to monitor the highest and minimum liquid level of oil-feed casing inner fluid; Described heater, temperature transducer all are installed in the inside of oil-feed casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010140055 CN101858372A (en) | 2010-03-30 | 2010-03-30 | Oil-temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010140055 CN101858372A (en) | 2010-03-30 | 2010-03-30 | Oil-temperature control device |
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| CN101858372A true CN101858372A (en) | 2010-10-13 |
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| CN 201010140055 Pending CN101858372A (en) | 2010-03-30 | 2010-03-30 | Oil-temperature control device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482955A (en) * | 2016-12-08 | 2017-03-08 | 广西玉柴机器股份有限公司 | The fuel oil constant temperature apparatus of diesel engine |
| CN106989074A (en) * | 2017-05-19 | 2017-07-28 | 中国航空综合技术研究所 | A kind of the hydraulic oil source system and its control method of the regulation and control of convection type fast temperature |
| CN107269631A (en) * | 2017-08-08 | 2017-10-20 | 滨州学院 | A kind of oil temperature cooling device of plant equipment |
| CN107355452A (en) * | 2017-08-21 | 2017-11-17 | 浙江海洋大学 | A kind of universal hydraulic unit performance testing device and its method of testing |
| CN110793599A (en) * | 2019-10-30 | 2020-02-14 | 中国航发控制系统研究所 | High-pressure high-low temperature fuel flow measuring system |
| CN111089097A (en) * | 2019-12-30 | 2020-05-01 | 潍柴动力股份有限公司 | Closed loop temperature control system and platform for test |
| CN111749953A (en) * | 2020-07-30 | 2020-10-09 | 浙江三一装备有限公司 | Liquid level control device, hydraulic system and engineering machinery |
| CN112881060A (en) * | 2021-03-19 | 2021-06-01 | 正星科技股份有限公司 | Simulation test system of oiling machine assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0185894A1 (en) * | 1984-12-20 | 1986-07-02 | Franz Hübner | Hydraulic system |
| CN2092718U (en) * | 1991-03-07 | 1992-01-08 | 许荣仙 | Full automatic electric boiler |
| CN2123644U (en) * | 1992-05-04 | 1992-12-02 | 中国农业机械化科学研究院 | Constant temp. controlled hydraulic oil device |
| CN2387446Y (en) * | 1998-10-23 | 2000-07-12 | 严杰 | Fully automatic dual temp boiling water heater able to automatically exchanging water |
| CN101424598A (en) * | 2008-12-11 | 2009-05-06 | 江苏省产品质量监督检验研究院 | Automatic constant temperature testing system for solar water heater by water-mixing and water-discharging method |
-
2010
- 2010-03-30 CN CN 201010140055 patent/CN101858372A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0185894A1 (en) * | 1984-12-20 | 1986-07-02 | Franz Hübner | Hydraulic system |
| CN2092718U (en) * | 1991-03-07 | 1992-01-08 | 许荣仙 | Full automatic electric boiler |
| CN2123644U (en) * | 1992-05-04 | 1992-12-02 | 中国农业机械化科学研究院 | Constant temp. controlled hydraulic oil device |
| CN2387446Y (en) * | 1998-10-23 | 2000-07-12 | 严杰 | Fully automatic dual temp boiling water heater able to automatically exchanging water |
| CN101424598A (en) * | 2008-12-11 | 2009-05-06 | 江苏省产品质量监督检验研究院 | Automatic constant temperature testing system for solar water heater by water-mixing and water-discharging method |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482955A (en) * | 2016-12-08 | 2017-03-08 | 广西玉柴机器股份有限公司 | The fuel oil constant temperature apparatus of diesel engine |
| CN106989074A (en) * | 2017-05-19 | 2017-07-28 | 中国航空综合技术研究所 | A kind of the hydraulic oil source system and its control method of the regulation and control of convection type fast temperature |
| CN106989074B (en) * | 2017-05-19 | 2018-07-31 | 中国航空综合技术研究所 | A kind of the hydraulic oil source system and its control method of the regulation and control of convection type fast temperature |
| CN107269631A (en) * | 2017-08-08 | 2017-10-20 | 滨州学院 | A kind of oil temperature cooling device of plant equipment |
| CN107355452A (en) * | 2017-08-21 | 2017-11-17 | 浙江海洋大学 | A kind of universal hydraulic unit performance testing device and its method of testing |
| CN110793599A (en) * | 2019-10-30 | 2020-02-14 | 中国航发控制系统研究所 | High-pressure high-low temperature fuel flow measuring system |
| CN111089097A (en) * | 2019-12-30 | 2020-05-01 | 潍柴动力股份有限公司 | Closed loop temperature control system and platform for test |
| CN111089097B (en) * | 2019-12-30 | 2022-04-26 | 潍柴动力股份有限公司 | Closed loop temperature control system and platform for test |
| CN111749953A (en) * | 2020-07-30 | 2020-10-09 | 浙江三一装备有限公司 | Liquid level control device, hydraulic system and engineering machinery |
| CN112881060A (en) * | 2021-03-19 | 2021-06-01 | 正星科技股份有限公司 | Simulation test system of oiling machine assembly |
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Application publication date: 20101013 |