CN105114401A - Intelligent constant-temperature hydraulic system with forced refrigerating function - Google Patents
Intelligent constant-temperature hydraulic system with forced refrigerating function Download PDFInfo
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- CN105114401A CN105114401A CN201510593700.0A CN201510593700A CN105114401A CN 105114401 A CN105114401 A CN 105114401A CN 201510593700 A CN201510593700 A CN 201510593700A CN 105114401 A CN105114401 A CN 105114401A
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Abstract
An intelligent constant-temperature hydraulic system with a forced refrigerating function comprises an intelligent constant-temperature control device for cooling hydraulic oil in an oil tank. The intelligent constant-temperature control device comprises a heat exchanger, a forced refrigerator, a forced refrigerating tube, a forced refrigerating agent storage tank, a throttling valve, a plurality of sensors and a multifunctional temperature controller, wherein the forced refrigerating tube is arranged in the oil tank; an inlet of the forced refrigerating tube is communicated with an outlet of the forced refrigerator, an inlet of the forced refrigerator is communicated with an outlet of the heat exchanger, and the forced refrigerator is further communicated with the forced refrigerating agent storage tank; an inlet of the heat exchanger is communicated with an outlet of the forced refrigerating tube through the throttling valve. Hydraulic oil is cooled through forced refrigerating agents, then passes through the throttling valve, the heat exchanger and the forced refrigerator sequentially and finally returns to the forced refrigerating tube for cyclic cooling, so that the oil temperature is in a low-temperature safety state, normal operation of the hydraulic system is ensured, the whole cooling process is rapid, and temperature is constant and adjustable.
Description
Technical field
The present invention relates to a kind of intelligent constant-temperature hydraulic system with forced refrigeration function, belong to hydraulic system technical field.
Background technique
Hydraulic system is when normally doing work, and compression, commutation and rotation all can produce heat, and the generation of heat can make hydraulic pressure oil viscosity reduce, thus hydraulic system leakage risk is increased, decrease in efficiency; High temperature also can make the oxidation of hydraulic oil aggravate, the materials such as some ketones, acids colloid, pitch are produced gradually in oil product, when arrival to a certain degree can make oil product lose efficacy, the lubricating film generation chemical action causing the friction part bit table layer of hydraulic system to be formed is decomposed, and cause steel part and the corrosion of other non-ferrous metal, component surface damages, and system thoroughly lost efficacy! Produce erosion simultaneously, all can work the mischief to nature that human body and we are depended on for existence.Existing hydraulic system is when treatment fluid force feed, and cooling-down effect is too poor, and the temperature of hydraulic oil can not meet need of work, has a strong impact on the use of hydraulic system.
Summary of the invention
The deficiency that the present invention exists to overcome prior art, provides a kind of intelligent constant-temperature hydraulic system with forced refrigeration function.
The present invention is achieved by taking following technological scheme:
A kind of intelligent constant-temperature hydraulic system with forced refrigeration function, it comprises frame and rack-mounted motor, oil hydraulic pump, hydraulic control valve group and fuel tank, the filler opening of described oil hydraulic pump and the outlet of fuel tank, the oil outlet of oil hydraulic pump is communicated with the filler opening of hydraulic control valve group, the oil outlet of this hydraulic control valve group and the inlet communication of fuel tank, described motor is connected with hydraulic pump driving; It is characterized in that, described intelligent constant-temperature hydraulic system also comprises for the hydraulic oil cooling in fuel tank, and makes it maintain the intelligent thermostatic control device of steady temperature.
Described intelligent thermostatic control device comprises heat exchanger, forced refrigeration device, forced refrigeration pipe, forced refrigeration agent storage tank, throttle valve, some sensors and multi-functional temp controller,
Described forced refrigeration pipe is placed in fuel tank, the import of forced refrigeration pipe and the outlet of forced refrigeration device, the described import of forced refrigeration device and the outlet of heat exchanger, described forced refrigeration device is also communicated with forced refrigeration agent storage tank, and the import of described heat exchanger is by the outlet of throttle valve and forced refrigeration pipe;
Described forced refrigeration device and throttle valve and this multi-functional temp controller control connection; Described sensor comprises the motor overload sensor be connected on motor, the high oil temperature sensor be connected in fuel tank, the oil temperature be connected in fuel tank crosses low sensor, the liquid level be connected in fuel tank crosses low sensor, the oil product sensor be connected in fuel tank, the pressure transducer be connected in hydraulic control valve group.
Described motor, oil hydraulic pump and hydraulic control valve group are installed in the top of frame, and described fuel tank, heat exchanger and forced refrigeration device are installed in the bottom of frame.
Preferably: the drain tap of described oil hydraulic pump is communicated with fuel tank.
Described heat exchanger comprises cold plate and blower fan, and described assembling is on cold plate.
Preferably: described forced refrigeration device is freezer compressor or air condition compressor.Described throttle valve is made up of capillary tube and expansion valve.Forced refrigeration agent in described forced refrigeration agent storage tank is refrigerant, is commonly called as snow kind.
Described intelligent constant-temperature hydraulic system also comprises control box and control panel, described control box is fixed on the bottom of frame, described control panel is arranged on control box, described motor, hydraulic control valve group, heat exchanger and forced refrigeration device all with control panel control connection.
Compared with prior art, the invention has the beneficial effects as follows: forced refrigeration pipe is arranged in fuel tank by the present invention, after utilizing the forced refrigeration agent in forced refrigeration pipe to absorb heat to the hydraulic oil in fuel tank, become the steam forced refrigeration agent of high temperature, cool to heat exchanger after throttle valve again, then the forced refrigeration agent liquid of high pressure is compressed into through forced refrigeration device, the forced refrigeration pipe of last oil sump tank, circulation heat absorption is carried out to the hydraulic oil in fuel tank, thus the hydraulic fluid temperature in reduction fuel tank, make the oil temperature of whole hydraulic system can be in low-temperature safety state, ensure the normal work of hydraulic system, whole temperature-fall period is rapid, keep thermostatic adjustable.
Accompanying drawing explanation
Fig. 1 is the structural perspective of the intelligent constant-temperature hydraulic system of band forced refrigeration function of the present invention;
Fig. 2 is the rear view of the intelligent constant-temperature hydraulic system of band forced refrigeration function of the present invention.
Embodiment
Below in conjunction with accompanying drawing, most preferred embodiment of the present invention is described in detail.
As shown in Figure 1 and Figure 2, the intelligent constant-temperature hydraulic system of the band forced refrigeration function of the present embodiment comprises frame 1 and is arranged on motor 2, oil hydraulic pump 3, hydraulic control valve group 4 and the fuel tank 5 in frame 1,
The filler opening of described oil hydraulic pump 3 and the outlet of fuel tank 5, the oil outlet of oil hydraulic pump 3 is communicated with the filler opening of hydraulic control valve group 4, the oil outlet of this hydraulic control valve group 4 and the inlet communication of fuel tank 5, and described motor 2 is in transmission connection with oil hydraulic pump 3;
Its structural feature is: described intelligent constant-temperature hydraulic system also comprises for the hydraulic oil cooling in fuel tank 5, and makes it maintain the intelligent thermostatic control device of steady temperature.
Described intelligent thermostatic control device comprises heat exchanger 6, forced refrigeration device 7, forced refrigeration pipe 8, forced refrigeration agent storage tank 9, throttle valve 10, some temperature transducers 11 and multi-functional temp controller 12,
Described forced refrigeration pipe 8 is placed in fuel tank 5, the import of forced refrigeration pipe 8 and the outlet of forced refrigeration device 7, the import of described forced refrigeration device 7 and the outlet of heat exchanger 6, described forced refrigeration device 7 is also communicated with forced refrigeration agent storage tank 9, and the import of described heat exchanger 6 is by the outlet of throttle valve 10 with forced refrigeration pipe 8;
Described forced refrigeration device 7 and throttle valve 10 and this multi-functional temp controller 12 control connection, described sensor 11 comprises the motor overload sensor 11.1 be connected on motor 2, be connected to the high oil temperature sensor 11.2 in fuel tank 5, the oil temperature be connected in fuel tank 5 crosses low sensor 11.3, the liquid level be connected in fuel tank 5 crosses low sensor 11.4, be connected to the oil product sensor 11.5 in fuel tank 5, be connected to the pressure transducer 11.6 in hydraulic control valve group 4, the sensor can be utilized like this to transmit the real-time parameter of hydraulic work system and fuel tank hydraulic oil in time, and by above-mentioned signal transmission to multi-functional temp controller 12, realize the accurate control of hydraulic system.
Described motor 2, oil hydraulic pump 3 and hydraulic control valve group 4 are arranged on the top of frame 1, and described fuel tank 5, heat exchanger 6 and forced refrigeration device 7 are arranged on the bottom of frame 1;
The drain tap of described oil hydraulic pump 3 is communicated with fuel tank 5, carries out cooling process after making oil hydraulic pump 3 housing Leakage Energy also flow to fuel tank 5 again; Described heat exchanger 6 comprises cold plate 6.1 and blower fan 6.2, and described blower fan 6.2 is arranged on cold plate 6.1.High temperature forced refrigeration agent in forced refrigeration device 7 enters the pipeline of cold plate 6.1, blower fan 6.2 pairs of cold plates 6.1 carry out air-cooled, thus take away the heat of pipeline, send into forced refrigeration device 7 again after making the forced refrigeration agent in pipeline force cooling, the amount of the forced refrigeration agent in whole cyclic process is supplemented in time by forced refrigeration agent storage tank 9; The intelligent constant-temperature hydraulic system of described band forced refrigeration function also comprises control box 14 and control panel 13, described control box 14 is fixed on the bottom of frame 1, described control panel 13 is arranged on control box 14, and described motor 2, hydraulic control valve group 4, heat exchanger 6 are all connected with control panel 13 with forced refrigeration device 7.
In the present embodiment, the intelligent constant-temperature hydraulic system of described band forced refrigeration function, is characterized in that described forced refrigeration device 7 can be freezer compressor or air condition compressor; Described throttle valve 10 can be made up of capillary tube and expansion valve; Described forced refrigeration agent can be refrigerant, is commonly called as snow kind.
The working procedure of the intelligent constant-temperature hydraulic system of the band forced refrigeration function of the present embodiment is as follows: motor 2 rotating drive oil hydraulic pump 3, the hydraulic oil mineralization pressure oil drawn from fuel tank 5 discharged by oil hydraulic pump 3, make it to flow to hydraulic control valve group 4, pressure oil becomes low-voltage high-temperature hydraulic oil after hydraulic control valve group 4 is done work, and flows to fuel tank 5 by the oil outlet of hydraulic control valve group 4, forced refrigeration pipe 8 is arranged in fuel tank 5, after utilizing the forced refrigeration agent in forced refrigeration pipe 8 to absorb heat to the hydraulic oil in fuel tank 5, become the steam forced refrigeration agent of high temperature, cool to heat exchanger 6 after throttle valve 10 again, then the forced refrigeration agent liquid of high pressure is compressed into through forced refrigeration device 7, finally return in the forced refrigeration pipe 8 in fuel tank 5, circulation heat absorption is carried out to the hydraulic oil in fuel tank 5, thus the hydraulic fluid temperature reduced in fuel tank 5, some sensors 11 can in time by the various types of signal Parameter transfer in fuel tank 5 to multi-functional temp controller 12, according to setting temperature, multi-functional temp controller 12 controls the work of forced refrigeration device 7 and throttle valve 10, and then key saves the flow of refrigerant in forced refrigeration pipe 8, make the oil temperature of whole hydraulic system can be in low-temperature safety state, ensure the normal work of hydraulic system, whole temperature-fall period is rapid, keep thermostatic adjustable.
Claims (10)
1. the intelligent constant-temperature hydraulic system with forced refrigeration function, it comprises frame (1) and is arranged on motor (2), oil hydraulic pump (3), hydraulic control valve group (4) and the fuel tank (5) in frame (1)
The filler opening of described oil hydraulic pump (3) and the outlet of fuel tank (5), the oil outlet of oil hydraulic pump (3) is communicated with the filler opening of hydraulic control valve group (4), the oil outlet of this hydraulic control valve group (4) and the inlet communication of fuel tank (5), described motor (2) and oil hydraulic pump (3) are in transmission connection;
It is characterized in that, described intelligent constant-temperature hydraulic system also comprises for the hydraulic oil cooling in fuel tank (5), and makes it maintain the intelligent thermostatic control device of steady temperature.
2. the intelligent constant-temperature hydraulic system of band forced refrigeration function according to claim 1, it is characterized in that, described intelligent thermostatic control device comprises heat exchanger (6), forced refrigeration device (7), forced refrigeration pipe (8), forced refrigeration agent storage tank (9), throttle valve (10), some sensors (11) and multi-functional temp controller (12)
Described forced refrigeration pipe (8) is placed in fuel tank (5), the import of forced refrigeration pipe (8) and the outlet of forced refrigeration device (7), the import of described forced refrigeration device (7) and the outlet of heat exchanger (6), described forced refrigeration device (7) is also communicated with forced refrigeration agent storage tank (9), and the import of described heat exchanger (6) is by the outlet of throttle valve (10) with forced refrigeration pipe (8);
Described forced refrigeration device (7) and throttle valve (10) and this multi-functional temp controller (12) control connection.
3. the intelligent constant-temperature hydraulic system of band forced refrigeration function according to claim 2, described sensor (11) comprises the motor overload sensor (11.1) be connected on motor (2), be connected to the high oil temperature sensor (11.2) in fuel tank (5), the oil temperature be connected in fuel tank (5) crosses low sensor (11.3), the liquid level be connected in fuel tank (5) crosses low sensor (11.4), be connected to the oil product sensor (11.5) in fuel tank (5), be connected to the pressure transducer (11.6) in hydraulic control valve group (4).
4. the intelligent constant-temperature hydraulic system of band forced refrigeration function according to claim 3, it is characterized in that described motor (2), oil hydraulic pump (3) and hydraulic control valve group (4) are installed in the top of frame (1), described fuel tank (5), heat exchanger (6) and forced refrigeration device (7) are installed in the bottom of frame (1).
5. the intelligent constant-temperature hydraulic system of band forced refrigeration function according to claim 4, is characterized in that the drain tap of described oil hydraulic pump (3) is communicated with fuel tank (5).
6. according to the intelligent constant-temperature hydraulic system of the band forced refrigeration function in claim 2-5 described in any one, it is characterized in that described heat exchanger (6) comprises cold plate (6.1) and blower fan (6.2), described blower fan (6.2) is arranged on cold plate (6.1).
7. the intelligent constant-temperature hydraulic system of band forced refrigeration function according to claim 6, is characterized in that described forced refrigeration device (7) is freezer compressor or air condition compressor.
8. the intelligent constant-temperature hydraulic system of band forced refrigeration function according to claim 7, is characterized in that described throttle valve (10) is made up of capillary tube and expansion valve.
9. the intelligent constant-temperature hydraulic system of band forced refrigeration function according to claim 8, is characterized in that the forced refrigeration agent in described forced refrigeration agent storage tank (9) is refrigerant.
10. the intelligent constant-temperature hydraulic system of the band forced refrigeration function according to any one of claim 7 to 9, it is characterized in that described intelligent constant-temperature hydraulic system also comprises control box (14) and control panel (13), described control box (14) is fixed on the bottom of frame (1), described control panel (13) is arranged on control box (14), described motor (2), hydraulic control valve group (4), heat exchanger (6) and forced refrigeration device (7) all with control panel (13) control connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510593700.0A CN105114401B (en) | 2015-09-17 | 2015-09-17 | Intelligent constant-temperature hydraulic system with forced refrigeration function |
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| CN201510593700.0A CN105114401B (en) | 2015-09-17 | 2015-09-17 | Intelligent constant-temperature hydraulic system with forced refrigeration function |
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| CN105114401B CN105114401B (en) | 2017-10-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089860A (en) * | 2016-07-22 | 2016-11-09 | 徐州天龙液压机械有限公司 | A kind of new hydraulic pump Based Intelligent Control machinery equipment |
| CN110332158A (en) * | 2019-07-25 | 2019-10-15 | 恩平市华南重工科技有限公司 | A kind of extruder hydraulic oil cooling device and its control method |
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| JPH0570065A (en) * | 1991-09-13 | 1993-03-23 | Toshiba Corp | Power unit for hydraulic elevator |
| CN201047418Y (en) * | 2007-04-19 | 2008-04-16 | 沈阳市中之杰机电设备制造有限公司 | Machine tool chief axis balancing hydraulic device |
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| CN202732549U (en) * | 2012-04-24 | 2013-02-13 | 苏州小鹰铸造装备有限公司 | Cold core machine hydraulic station |
| CN204985177U (en) * | 2015-09-17 | 2016-01-20 | 广州市骏合液压机械有限公司 | Intelligence constant temperature hydraulic system of refrigeration function is forced in area |
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2015
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0570065A (en) * | 1991-09-13 | 1993-03-23 | Toshiba Corp | Power unit for hydraulic elevator |
| CN201047418Y (en) * | 2007-04-19 | 2008-04-16 | 沈阳市中之杰机电设备制造有限公司 | Machine tool chief axis balancing hydraulic device |
| CN201461624U (en) * | 2009-07-23 | 2010-05-12 | 贵阳高原矿山机械有限公司 | Mine hoisting machine constant temperature hydraulic station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089860A (en) * | 2016-07-22 | 2016-11-09 | 徐州天龙液压机械有限公司 | A kind of new hydraulic pump Based Intelligent Control machinery equipment |
| CN110332158A (en) * | 2019-07-25 | 2019-10-15 | 恩平市华南重工科技有限公司 | A kind of extruder hydraulic oil cooling device and its control method |
| CN110332158B (en) * | 2019-07-25 | 2020-10-09 | 恩平市华南重工科技有限公司 | Hydraulic oil cooling device of extruder and control method thereof |
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| CN105114401B (en) | 2017-10-24 |
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