CN106989074B - A kind of the hydraulic oil source system and its control method of the regulation and control of convection type fast temperature - Google Patents
A kind of the hydraulic oil source system and its control method of the regulation and control of convection type fast temperature Download PDFInfo
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- CN106989074B CN106989074B CN201710357578.6A CN201710357578A CN106989074B CN 106989074 B CN106989074 B CN 106989074B CN 201710357578 A CN201710357578 A CN 201710357578A CN 106989074 B CN106989074 B CN 106989074B
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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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
-
- 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
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/62—Cooling or heating means
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The present invention provides a kind of hydraulic oil source system of convection type fast temperature regulation and control,It includes high temperature fuel tank,Low temperature fuel tank,Mix fuel tank,Heating device,Cooling device,Control panel and industrial personal computer,High temperature fuel tank and low temperature fuel tank are connect by pipeline with mix fuel tank respectively,Mix fuel tank is connected with external fueller by pipeline,Heating device is arranged in high temperature fuel tank internal,Cooling device is arranged in low temperature fuel tank internal,Mix fuel tank is internally provided with buffer board,Buffer board will be divided into convective region and reserve inside mix fuel tank,There are three fuel tanks for setting in oil supply system provided by the invention,Oil temperature in high temperature fuel tank maintains constant high temperature,Oil temperature in low temperature fuel tank maintains constant low temperature,Oil temperature in mix fuel tank is according to the demand of temperature,Control high temperature and low temperature oil inlet,It is mixed into a certain amount of high temperature or low temperature hydraulic oil,Realize the function of fast temperature regulation and control.
Description
Technical field
The invention belongs to mechanical equipment field, it is related to a kind of realizing oil in the way of mixing high temperature and low temperature hydraulic oil
The fast-changing hydraulic oil source system of liquid temperature and its control method.
Background technology
Hydraulic oil source is component part important in hydraulic drive and servo-control system, it can effectively be supplied to system
Flow needed for executive component and pressure, and the control of fuel tank can be carried out to the pressure, oil temperature, dustiness of hydraulic system.
In the actual use operating mode of hydraulic air product, oil liquid temperature can reach 80 DEG C.In the experiment of hydraulic product, to oil liquid temperature
Also there is different demands, such as low temperature, room temperature and high temperature.In laboratory, general high temperature oil sources and low temperature oil sources are separately controlled, if examination
It is few to test comparison of item, building two sets of different temperatures oil sources expenses can be higher.Some oil sources are also compatible with the function of high/low temperature, principle
It is one quick heater and cooler device of increase on pipeline, although the variation of oil liquid temperature may be implemented, energy expenditure is very
Height, and since volume of fuel tank is big, heating and cooling velocity are very slow.Certain experimental conditions, project of the oil temperature as test parameters,
The fast-changing index of its oil liquid temperature, determines test accuracy.
Invention content
For the shortcoming of existing hydraulic oil source, the present invention provides a kind of hydraulic oil that fast temperature regulation and control may be implemented
Oil sources.There are three fuel tank, a high temperature fuel tank, a low temperature fuel tank, a mix fuel tanks in oil supply system.In high temperature fuel tank
Oil temperature maintains constant high temperature, and oil temperature in low temperature fuel tank maintains constant low temperature, and the oil temperature in mix fuel tank is according to the need of temperature
It asks, controls high temperature and low temperature oil inlet, be mixed into a certain amount of high temperature or low temperature hydraulic oil, realize the function of fast temperature regulation and control.
The invention is realized in this way：
The present invention provides a kind of hydraulic oil source system of convection type fast temperature regulation and control comprising high temperature fuel tank, low-temperature oil
Case, mix fuel tank, heating device, cooling device, control panel and industrial personal computer, the high temperature fuel tank and low temperature fuel tank pass through respectively
Pipeline is connect with mix fuel tank, and the mix fuel tank is connected with external fueller by pipeline,
The heating device is arranged in the high temperature fuel tank, and the cooling device is arranged in the low temperature fuel tank,
Buffer board is provided in the mix fuel tank, the mix fuel tank is divided into convective region and oil storage by the buffer board
Area,
The reserve of the high temperature fuel tank, low temperature fuel tank and the mix fuel tank is respectively arranged with liquid level gauge and temperature
Meter,
It is provided with first on pipeline between the oil outlet end of the high temperature fuel tank and the first oil-inlet end of the mix fuel tank
Oil-feed pump, be provided on the pipeline between the oil outlet end of the low temperature fuel tank and the second oil-inlet end of the mix fuel tank second into
It is fuel-displaced to be provided with first on the pipeline between the first oil outlet end of the mix fuel tank and the oil-inlet end of the high temperature fuel tank for oil pump
It pumps, it is fuel-displaced to be provided with second on the pipeline between the second oil outlet end of the mix fuel tank and the oil-inlet end of the low temperature fuel tank
Pump is provided with oil feed pump between the mix fuel tank and the external fueller,
First oil-feed pump, the second oil-feed pump, the first oil outlet pump, the second oil outlet pump, liquid level gauge, thermometer, cooling dress
Set, heating device communicates with the control panel connect respectively, the control panel connect with the industrial personal computer by data/address bus；
The control panel be provided with the first temperature threshold, second temperature threshold value, third temperature threshold, the first level threshold,
Second level threshold and third level threshold,
When the hydraulic fluid temperature in the high temperature fuel tank is less than the first temperature threshold, the control panel controls the heating
Device is begun to warm up, and when the hydraulic fluid temperature in the low temperature fuel tank is higher than second temperature threshold value, the control panel controls institute
Cooling device is stated to begin to cool；When the hydraulic fluid temperature in the mix fuel tank is less than third temperature threshold, the control panel
It opens the first oil inlet and is pumped into high temperature oil, it is described when the hydraulic fluid temperature in the mix fuel tank is higher than third temperature threshold
Control panel opens the second oil inlet and is pumped into low-temperature oil, and
When the liquid level of the high temperature fuel tank is less than the first level threshold, the control panel opens the first oil outlet pump from mixing
It is pumped into hydraulic oil into high temperature fuel tank in fuel tank, when the liquid level of the low temperature fuel tank is less than the second level threshold, the control
Plate opens the second oil outlet pump and is pumped into hydraulic oil into low temperature fuel tank out of mix fuel tank, when the liquid level of the mix fuel tank is less than the
When three level thresholds, the control panel opens oil feed pump and is pumped into hydraulic oil from external fueller.
Preferably, the first temperature threshold is high temperature oil initial temperature, and second temperature threshold value is low-temperature oil initial temperature, initially
In the case of, the quality of high temperature oil and low-temperature oil is determined by following formula：
c×m1×(T1 is high-TSurely)=c × m2×(TSurely-T2 is low), wherein c is the specific heat capacity of fluid, and m1 is the quality of high temperature oil,
M2 is the quality of low-temperature oil, T1 is highFor high temperature oil initial temperature, T2 is lowFor low-temperature oil initial temperature, TSurelyFor the hydraulic oil of two kinds of temperature
The temperature stablized after mixing.
Preferably, it is coated with fuel tank thermal insulation layer outside the high temperature fuel tank, low temperature fuel tank and mix fuel tank.
Preferably, first temperature threshold is 110 to 130 degree, and the second temperature threshold value is -15 to -25 degree.
Preferably, the pipeline is high-low temperature resistant hose.
Preferably, the volume of the mix fuel tank is more than the sum of the volume of high temperature fuel tank and low temperature fuel tank.
Preferably, the cooling device include be arranged the low temperature fuel tank internal cool-heat-exchanger and with it is described cold
The cooling tower of heat exchanger connection, the heating device are provided with heater strip.
Preferably, the present invention also provides a kind of hydraulic oil source system realizations of the convection type fast temperature regulation and control described in basis
The control method of convection type fast temperature regulation and control comprising following steps：
S1, when the temperature in the high temperature fuel tank is less than the first temperature threshold, the control panel controls the heating and fills
It sets and begins to warm up；
S2, when the temperature in the low temperature fuel tank is higher than second temperature threshold value, the control panel control cooling dress
It sets and begins to cool；
S3, when the temperature in the mix fuel tank is less than third temperature threshold, the control panel opens the first oil-feed pump
It is pumped into high temperature oil, when the temperature in the mix fuel tank is higher than third temperature threshold, the control panel opens the second oil-feed pump
It is pumped into low-temperature oil, until the temperature of mix fuel tank reaches third temperature threshold；
S4, when the liquid level of the high temperature fuel tank is less than the first level threshold, the control panel open the first oil outlet pump from
In mix fuel tank hydraulic oil is pumped into high temperature fuel tank；
S5, when the liquid level of the low temperature fuel tank is less than the second level threshold, the control panel open the second oil outlet pump from
It is pumped into hydraulic oil into low temperature fuel tank in mix fuel tank,
S6, when the liquid level of the mix fuel tank is less than third level threshold, the control panel opens oil feed pump from outside
Fueller is pumped into hydraulic oil.
Preferably, the first temperature threshold is high temperature oil initial temperature, and second temperature threshold value is low-temperature oil initial temperature, initially
In the case of, the quality of high temperature oil and low-temperature oil is determined by following formula：
c×m1×(T1 is high-TSurely)=c × m2×(TSurely-T2 is low), wherein c is the specific heat capacity of fluid, and m1 is the quality of high temperature oil,
M2 is the quality of low-temperature oil, T1 is highFor high temperature oil initial temperature, T2 is lowFor low-temperature oil initial temperature, TSurelyFor the hydraulic oil of two kinds of temperature
The temperature stablized after mixing.
Preferably, first temperature threshold is 110 to 130 degree, and the second temperature threshold value is -15 to -25 degree.
Compared with prior art, the invention has the advantages that：
1. fuel tank there are three settings in oil supply system provided by the invention, a high temperature fuel tank, a low temperature fuel tank, one
Mix fuel tank.Oil temperature in high temperature fuel tank maintains constant high temperature, and the oil temperature in low temperature fuel tank maintains constant low temperature, mix fuel tank
Interior oil temperature controls high temperature and low temperature oil inlet, is mixed into a certain amount of high temperature or low temperature hydraulic oil according to the demand of temperature, realizes
The function of fast temperature regulation and control.
2. the present invention carries out heating cooling oil temperature by convection type, it is fast to rise (drop) warm rate.It is provided with outside three fuel tanks
Thermal insulation layer reduces heat exchange, reduces heat loss, improves efficiency.
3. the configuration of the present invention is simple, the supply of the hydraulic oil of different temperatures may be implemented in an oil supply system, meets different
The demand of experiment condition.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the dimensional structure diagram of one embodiment of the present of invention；
Fig. 3 is the structural schematic block diagram of the present invention；And
Fig. 4 is the workflow schematic diagram of the present invention.
Specific implementation mode
Below with reference to the attached drawing exemplary embodiment that the present invention will be described in detail, feature and aspect.It is identical attached in attached drawing
Icon note indicates functionally the same or similar element.Although the various aspects of embodiment are shown in the accompanying drawings, unless special
It does not point out, it is not necessary to attached drawing drawn to scale.
The present invention provides a kind of hydraulic oil source system of convection type fast temperature regulation and control, as shown in Figure 1 to Figure 3 comprising
High temperature fuel tank 1, low temperature fuel tank 2, mix fuel tank 3, heating device 4, cooling device 5, control panel 6 and industrial personal computer 7, high temperature fuel tank
1 and low temperature fuel tank 2 connect respectively with mix fuel tank 3 by pipeline, mix fuel tank 3 is connected with external fueller by pipeline.
External fueller is used to carry out fuel feeding to mix fuel tank 3, and when needed, oil is further supplied to high temperature oil by mix fuel tank 3
Case 1 and low temperature fuel tank 2.
Oil temperature in high temperature fuel tank 1 maintains constant high temperature, and the oil temperature in low temperature fuel tank 2 maintains constant low temperature, miscella
Oil temperature in case 3 controls high temperature and low temperature oil inlet, is mixed into a certain amount of high temperature or low temperature hydraulic oil according to the demand of temperature,
It realizes fast temperature regulation and control, to obtain the hydraulic oil of different temperatures, meets different experiment demands.
Heating device 4 is arranged in the inside of high temperature fuel tank 1, and heating device 4 adds the hydraulic oil inside high temperature fuel tank 1
Heat.Heating device 4 includes heater strip 41 and the heater 42 that is connect with heater strip 41 being arranged in high temperature fuel tank internal.It is cooling
Device 5 includes the cool-heat-exchanger 51 being arranged inside low temperature fuel tank 2 and the cooling tower 52 being connected to cool-heat-exchanger 51, cold
But device 5 cools down the hydraulic oil inside low temperature fuel tank 2.
Mix fuel tank 3 is internally provided with buffer board 31, and buffer board 31 will be divided into convective region 32 and storage inside mix fuel tank 3
Oily area 33, the low temperature hydraulic oil for the high temperature hydraulic oil and low temperature fuel tank delivered inside that convective region 32 is used to convey high temperature fuel tank
It is mixed, with the hydraulic oil of the certain temperature needed, and hydraulic oil is stored in convective region 32.In practical applications,
Buffer board 31 is the folded plate with chamfering.
It is respectively arranged with liquid level gauge 8 and thermometer inside high temperature fuel tank 1, inside 2 inside of low temperature fuel tank and reserve 33
9, liquid of the liquid level gauge 8 for measuring the hydraulic oil inside high temperature fuel tank 1, inside 2 inside of low temperature fuel tank and reserve 33 respectively
Position, and liquid level is sent to control panel, thermometer 9 for measuring respectively inside high temperature fuel tank 1,2 inside of low temperature fuel tank and storage
The temperature of hydraulic oil inside oily area 33, and temperature is sent to control panel.
It is provided with first on pipeline between the oil outlet end 101 of high temperature fuel tank 1 and the first oil-inlet end 301 of mix fuel tank 3
Oil-feed pump 10 is provided with second on the pipeline between the oil outlet end 201 of low temperature fuel tank 2 and the second oil-inlet end 302 of mix fuel tank 3
Oil-feed pump 11 is provided with first on the pipeline between the first oil outlet end 303 and the oil-inlet end 102 of high temperature fuel tank 1 of mix fuel tank 3
Oil outlet pump 12 is provided with second on the pipeline between the second oil outlet end 304 and the oil-inlet end 202 of low temperature fuel tank 2 of mix fuel tank 3
Oil outlet pump 13 is provided with oil feed pump 14 between mix fuel tank 3 and external fueller.
First oil-feed pump 10, the second oil-feed pump 11, the first oil outlet pump 12, the second oil outlet pump 13, liquid level gauge 8, thermometer 9,
Cooling tower 52, heating device 4 communicate with control panel 6 connect respectively, and control panel 6 is connect with industrial personal computer 7 by data/address bus.Industry control
Machine 7 provides human-computer interaction interface, is configured to control panel 6.
Preferably, it is coated with fuel tank thermal insulation layer 15 outside high temperature fuel tank 1, low temperature fuel tank 2 and mix fuel tank 3.
Preferably, heating device 4 is provided with heater strip.
Preferably, control panel 6 is provided with the first temperature threshold, second temperature threshold value, third temperature threshold, the first liquid level threshold
Value, the second level threshold and third level threshold,
When the temperature in high temperature fuel tank 1 is less than the first temperature threshold, control panel 6 controls heating device 4 and begins to warm up, when
When temperature in low temperature fuel tank 2 is higher than second temperature threshold value, control panel 6 controls cooling device and begins to cool, when in mix fuel tank 3
Temperature be less than third temperature threshold when, control panel 6 open the first oil inlet be pumped into high temperature oil, the temperature in mix fuel tank 3
When higher than third temperature threshold, control panel 6 opens the second oil inlet and is pumped into low-temperature oil,
When the liquid level of high temperature fuel tank 1 is less than the first level threshold, control panel 6 opens the first oil outlet pump from mix fuel tank 1
Interior to be pumped into hydraulic oil into high temperature fuel tank, when the liquid level of low temperature fuel tank 2 is less than the second level threshold, control panel 6 opens second
Oil outlet pump is pumped into hydraulic oil out of mix fuel tank 3 into low temperature fuel tank 2, when the liquid level of mix fuel tank 3 is less than third level threshold
When, control panel 6 opens oil feed pump and is pumped into hydraulic oil from external fueller.
Preferably, pipeline can also be high-low temperature resistant hose in addition to that can be metal tube.
Preferably, the present invention also provides a kind of hydraulic oil source system realize convection type fast temperature regulation and control control method,
As shown in figure 4, it includes the following steps：
S1, when the temperature in the high temperature fuel tank is less than the first temperature threshold, the control panel controls the heating and fills
It sets and begins to warm up；
S2, when the temperature in the low temperature fuel tank is higher than second temperature threshold value, the control panel control cooling dress
It sets and begins to cool；
S3, when the temperature in the mix fuel tank is less than third temperature threshold, the control panel opens the first oil-feed pump
It is pumped into high temperature oil, when the temperature in the mix fuel tank is higher than third temperature threshold, the control panel opens the second oil-feed pump
It is pumped into low-temperature oil；
S4, when the liquid level of the high temperature fuel tank is less than the first level threshold, the control panel open the first oil outlet pump from
In mix fuel tank hydraulic oil is pumped into high temperature fuel tank；
S5, when the liquid level of the low temperature fuel tank is less than the second level threshold, the control panel open the second oil outlet pump from
In mix fuel tank hydraulic oil is pumped into low temperature fuel tank；
S6, when the liquid level of the mix fuel tank is less than third level threshold, the control panel opens oil feed pump from outside
Fueller is pumped into hydraulic oil.
The volume of mix fuel tank 3 needs the sum of the volume more than high temperature fuel tank 1 and low temperature fuel tank 2, the volume of fuel tank 3 to be
100L, then the volume of fuel tank 1 and fuel tank 2 is respectively 150L.The distribution mode of three of them fuel tank is not limited to heating cooling oil box top,
Mix fuel tank lower part, can also three fuel tank tilings.
The oil tank heating apparatus is not limited only to heater strip mode and heats, and other manner heats also in protection domain,
Its watt level determines the heating rate of oil temperature.Heating device be placed on the inside of oil supply system, three fuel tanks top.
The oil tank cooling device is not limited to water cooling, and other manner cools down also within protection domain, watt level
Determine the rate of temperature fall of oil temperature.Cooling tower is placed on the outside of oil supply system.
The control panel is not limited to be placed on the inside of oil supply system, can also be placed on outside, by cable with pump and
Various kinds of sensors is connected.
The operation principle of the present invention is further explained with reference to embodiment：
Control panel 6 is provided with the first temperature threshold, second temperature threshold value, third temperature threshold, the first level threshold, second
Level threshold and third level threshold,
In the present embodiment, the first temperature threshold is set as 120 degree, and second temperature threshold value is set as -20 degree, third temperature
Threshold value can be set according to user demand.Assuming that the volume of high temperature fuel tank 1 and low temperature fuel tank 2 is 100L, size is length
The volume of 500mm wide 400mm high 500mm, mix fuel tank 3 are 150L, and very little is long 500 width 100mm high 300mm, then the first liquid
Position threshold value is arranged to 400mm, and the second level threshold is set as 400mm, and third level threshold is set as 250mm.
In specific application, under initial situation, the mass ratio of low-temperature oil and high temperature oil can be determined by following formula, fluid
Mixing is according to heat conservation principle, and the heat that high temperature oil loses is equal to the heat that low-temperature oil obtains, and two kinds of oil may eventually reach one
The temperature value of a stabilization, rule coincidence formula c × m1×(T1 is high-TSurely)=c × m2×(TSurely-T2 is low), wherein c is the ratio of fluid
Thermal capacitance, m1 are the quality of high temperature oil, and m2 is the quality of low-temperature oil, T1 is highFor high temperature oil initial temperature, T2 is lowIt is initially warm for low-temperature oil
Degree, TSurelyFor the temperature stablized after the hydraulic oil mixing of two kinds of temperature.For example, the miscella that temperature is 80 DEG C in order to obtain, high temperature
If oil 10L, according to c × 10 × (120-80)=c × m2× (80- (- 20)), can obtain low-temperature oil and need 4L.
Due to having temperature sensor in each fuel tank, oil liquid temperature can be monitored in real time, fluid is output and input all
It is dynamic regulation, within the scope of closed-loop control.
When the temperature in high temperature fuel tank 1 is less than the first temperature threshold, control panel 6 controls heating device 4 and begins to warm up, when
When temperature in low temperature fuel tank 2 is higher than second temperature threshold value, control panel 6 controls cooling device and begins to cool, when in mix fuel tank 3
Temperature be less than third temperature threshold when, control panel 6 open the first oil inlet be pumped into high temperature oil, the temperature in mix fuel tank 3
When higher than third temperature threshold, control panel 6 opens the second oil inlet and is pumped into low-temperature oil, until the temperature in mix fuel tank reaches the
Three temperature thresholds.
When the liquid level of high temperature fuel tank 1 is less than the first level threshold, control panel 6 opens the first oil outlet pump from mix fuel tank 1
Interior to be pumped into hydraulic oil into high temperature fuel tank, when the liquid level of low temperature fuel tank 2 is less than the second level threshold, control panel 6 opens second
Oil outlet pump is pumped into hydraulic oil out of mix fuel tank 3 into low temperature fuel tank 2, when the liquid level of mix fuel tank 3 is less than third level threshold
When, control panel 6 opens oil feed pump and is pumped into hydraulic oil from external fueller.
Finally it should be noted that：Above-described embodiments are merely to illustrate the technical scheme, rather than to it
Limitation；Although the present invention is described in detail referring to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It can still modify to the technical solution recorded in previous embodiment, or to which part or all technical features into
Row equivalent replacement；And these modifications or substitutions, it does not separate the essence of the corresponding technical solution various embodiments of the present invention technical side
The range of case.
Claims (10)
1. a kind of hydraulic oil source system of convection type fast temperature regulation and control, it is characterised in that：It includes high temperature fuel tank, low-temperature oil
Case, mix fuel tank, heating device, cooling device, control panel and industrial personal computer, the high temperature fuel tank and low temperature fuel tank pass through respectively
Pipeline is connect with mix fuel tank, and the mix fuel tank is connected with external fueller by pipeline,
The heating device is arranged in the high temperature fuel tank, and the cooling device is arranged in the low temperature fuel tank,
Buffer board is provided in the mix fuel tank, the mix fuel tank is divided into convective region and reserve by the buffer board,
The reserve of the high temperature fuel tank, low temperature fuel tank and the mix fuel tank is respectively arranged with liquid level gauge and thermometer,
It is provided with the first oil inlet on pipeline between the oil outlet end of the high temperature fuel tank and the first oil-inlet end of the mix fuel tank
It pumps, the second oil inlet is provided on the pipeline between the oil outlet end of the low temperature fuel tank and the second oil-inlet end of the mix fuel tank
It pumps, it is fuel-displaced to be provided with first on the pipeline between the first oil outlet end of the mix fuel tank and the oil-inlet end of the high temperature fuel tank
It pumps, it is fuel-displaced to be provided with second on the pipeline between the second oil outlet end of the mix fuel tank and the oil-inlet end of the low temperature fuel tank
Pump is provided with oil feed pump between the mix fuel tank and the external fueller,
First oil-feed pump, the first oil outlet pump, the second oil outlet pump, liquid level gauge, thermometer, cooling device, adds the second oil-feed pump
Thermal communicates with the control panel connect respectively, and the control panel is connect with the industrial personal computer by data/address bus；
The control panel is provided with the first temperature threshold, second temperature threshold value, third temperature threshold, the first level threshold, second
Level threshold and third level threshold,
When the hydraulic fluid temperature in the high temperature fuel tank is less than the first temperature threshold, the control panel controls the heating device
It begins to warm up, when the hydraulic fluid temperature in the low temperature fuel tank is higher than second temperature threshold value, the control panel control is described cold
But device is begun to cool；When the hydraulic fluid temperature in the mix fuel tank is less than third temperature threshold, the control panel is opened
First oil inlet is pumped into high temperature oil, when the hydraulic fluid temperature in the mix fuel tank is higher than third temperature threshold, the control
Plate opens the second oil inlet and is pumped into low-temperature oil, and
When the liquid level of the high temperature fuel tank is less than the first level threshold, the control panel opens the first oil outlet pump from mix fuel tank
Interior to be pumped into hydraulic oil into high temperature fuel tank, when the liquid level of the low temperature fuel tank is less than the second level threshold, the control panel is opened
It opens the second oil outlet pump and is pumped into hydraulic oil into low temperature fuel tank out of mix fuel tank, when the liquid level of the mix fuel tank is less than third liquid
When the threshold value of position, the control panel opens oil feed pump and is pumped into hydraulic oil from external fueller.
2. the hydraulic oil source system of convection type fast temperature regulation and control according to claim 1, it is characterised in that：First temperature
Threshold value is high temperature oil initial temperature, and second temperature threshold value is low-temperature oil initial temperature, under initial situation, high temperature oil and low-temperature oil
Quality is determined by following formula：
c×m1×(T1 is high-TSurely)=c × m2×(TSurely-T2 is low), wherein c is the specific heat capacity of fluid, and m1 is the quality of high temperature oil, and m2 is
The quality of low-temperature oil, T1 is highFor high temperature oil initial temperature, T2 is lowFor low-temperature oil initial temperature, TSurelyFor the hydraulic oil mixing of two kinds of temperature
Stable temperature afterwards.
3. the hydraulic oil source system of convection type fast temperature regulation and control according to claim 1 or 2, it is characterised in that：Institute
It states and is coated with fuel tank thermal insulation layer outside high temperature fuel tank, low temperature fuel tank and mix fuel tank.
4. the hydraulic oil source system of convection type fast temperature regulation and control according to claim 1 or 2, it is characterised in that：Institute
It is 110 to 130 degree to state the first temperature threshold, and the second temperature threshold value is -15 to -25 degree.
5. the hydraulic oil source system of convection type fast temperature regulation and control according to claim 1 or 2, it is characterised in that：Institute
It is high-low temperature resistant hose to state pipeline.
6. the hydraulic oil source system of convection type fast temperature regulation and control according to claim 1 or 2, it is characterised in that：Institute
The volume for stating mix fuel tank is more than the sum of the volume of high temperature fuel tank and low temperature fuel tank.
7. the hydraulic oil source system of convection type fast temperature regulation and control according to claim 1 or 2, it is characterised in that：Institute
It includes being arranged in the cool-heat-exchanger of the low temperature fuel tank internal and being connected to the cool-heat-exchanger cold to state cooling device
But tower, the heating device are provided with heater strip.
8. a kind of hydraulic oil source system of convection type fast temperature regulation and control according to claim 1 realizes that convection type is quickly warm
Spend the control method of regulation and control, it is characterised in that：It includes the following steps：
S1, when the temperature in the high temperature fuel tank is less than the first temperature threshold, the control panel controls the heating device and opens
Begin to heat；
S2, when the temperature in the low temperature fuel tank is higher than second temperature threshold value, the control panel controls the cooling device and opens
Begin to cool down；
S3, when the temperature in the mix fuel tank is less than third temperature threshold, the control panel is opened the first oil inlet and is pumped into
High temperature oil, when the temperature in the mix fuel tank is higher than third temperature threshold, the control panel is opened the second oil inlet and is pumped into
Low-temperature oil, until the temperature of mix fuel tank reaches third temperature threshold；
S4, when the liquid level of the high temperature fuel tank is less than the first level threshold, the control panel opens the first oil outlet pump from mixing
In fuel tank hydraulic oil is pumped into high temperature fuel tank；
S5, when the liquid level of the low temperature fuel tank is less than the second level threshold, the control panel opens the second oil outlet pump from mixing
It is pumped into hydraulic oil into low temperature fuel tank in fuel tank,
S6, when the liquid level of the mix fuel tank is less than third level threshold, the control panel opens oil feed pump from external fuel feeding
Device is pumped into hydraulic oil.
9. the control method according to claim 8 for realizing the regulation and control of convection type fast temperature, it is characterised in that：First temperature
Threshold value is high temperature oil initial temperature, and second temperature threshold value is low-temperature oil initial temperature, under initial situation, high temperature oil and low-temperature oil
Quality is determined by following formula：
c×m1×(T1 is high-TSurely)=c × m2×(TSurely-T2 is low), wherein c is the specific heat capacity of fluid, and m1 is the quality of high temperature oil, and m2 is
The quality of low-temperature oil, T1 is highFor high temperature oil initial temperature, T2 is lowFor low-temperature oil initial temperature, TSurelyFor the hydraulic oil mixing of two kinds of temperature
Stable temperature afterwards.
10. the control method according to claim 8 for realizing the regulation and control of convection type fast temperature, it is characterised in that：Described
One temperature threshold is 110 to 130 degree, and the second temperature threshold value is -15 to -25 degree.
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| CN109973805B (en) * | 2019-04-15 | 2021-02-19 | 扬力集团股份有限公司 | Press machine lubricating oil temperature adjusting system and oil temperature adjusting method thereof |
| CN111536108B (en) * | 2020-05-08 | 2021-07-06 | 江苏金沃伺服冲床有限公司 | Hydraulic control system with punching stroke and speed of punch press capable of being automatically adjusted |
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| CN101858372A (en) * | 2010-03-30 | 2010-10-13 | 集美大学 | Oil-temperature control device |
| CN202149104U (en) * | 2011-06-29 | 2012-02-22 | 郑州人造金刚石及制品工程技术研究中心有限公司 | Hydraulic oil cooling device |
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| CN101858372A (en) * | 2010-03-30 | 2010-10-13 | 集美大学 | Oil-temperature control device |
| CN202149104U (en) * | 2011-06-29 | 2012-02-22 | 郑州人造金刚石及制品工程技术研究中心有限公司 | Hydraulic oil cooling device |
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