CN106989074A - 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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- CN106989074A CN106989074A CN201710357578.6A CN201710357578A CN106989074A CN 106989074 A CN106989074 A CN 106989074A CN 201710357578 A CN201710357578 A CN 201710357578A CN 106989074 A CN106989074 A CN 106989074A
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- temperature
- fuel tank
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- high temperature
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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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- 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, heater, cooling device, control panel and industrial computer, high temperature fuel tank and low temperature fuel tank are connected by pipeline with mix fuel tank respectively, mix fuel tank is connected with outside fueller by pipeline, heater is arranged on high temperature fuel tank internal, cooling device is arranged on 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, three fuel tanks are provided with the oil supply system that the present invention is provided, 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 mechanized equipment field, it is related to a kind of utilization and the mode that high temperature and low temperature hydraulic oil are mixed is realized into oil
The fast-changing hydraulic oil source system of liquid temperature degree and its control method.
Background technology
Hydraulic oil source is important part in hydraulic drive and servo-control system, and it can effectively be supplied to system
Flow and pressure needed for executive component, and the control of fuel tank can be carried out to the pressure of hydraulic system, oil temperature, dustiness.
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 are different demands, such as low temperature, normal temperature and high temperature.In laboratory, general high temperature oil sources and low temperature oil sources are separately controlled, if examination
Test comparison of item few, 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, its principle
It is one quick heater and cooler device of increase on pipeline, although the change of oil liquid temperature can be realized, but energy expenditure is very
Height, and because volume of fuel tank is big, heating and cooling velocity are very slow.Some experimental conditions, oil temperature as test parameters project,
The fast-changing index of its oil liquid temperature, determines experiment accuracy.
The content of the invention
For the weak point of existing hydraulic oil source, present invention offer is a kind of can to realize the hydraulic oil of fast temperature regulation and control
Oil sources.There are three fuel tanks, a high temperature fuel tank, a low temperature fuel tank, a mix fuel tank in oil supply system.In high temperature fuel tank
Oil temperature maintains the oil temperature in constant high temperature, low temperature fuel tank to maintain the oil temperature in constant low temperature, mix fuel tank according to the need of temperature
Ask, control high temperature and low temperature oil inlet are mixed into a certain amount of high temperature or low temperature hydraulic oil, realize the function of fast temperature regulation and control.
What the present invention was realized in：
The present invention provides a kind of hydraulic oil source system of convection type fast temperature regulation and control, and it includes high temperature fuel tank, low-temperature oil
Case, mix fuel tank, heater, cooling device, control panel and industrial computer, the high temperature fuel tank and low temperature fuel tank pass through respectively
Pipeline is connected with mix fuel tank, and the mix fuel tank is connected with outside fueller by pipeline,
The heater is arranged in the high temperature fuel tank, and the cooling device is arranged in the low temperature fuel tank,
Buffer board is provided with 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,
First is provided with pipeline between the oil outlet end of the high temperature fuel tank and the first oil-inlet end of the mix fuel tank
Second is provided with oil-feed pump, the pipeline between the oil outlet end of the low temperature fuel tank and the second oil-inlet end of the mix fuel tank to enter
It is fuel-displaced that first is provided with pipeline between the oil-inlet end of oil pump, the first oil outlet end of the mix fuel tank and the high temperature fuel tank
It is fuel-displaced that second is provided with pipeline between the oil-inlet end of pump, the second oil outlet end of the mix fuel tank and the low temperature fuel tank
Pump, oil feed pump is provided between the mix fuel tank and the outside 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
Put, heater is connected with control panel communication respectively, the control panel is connected with the industrial computer by data/address bus；
The control panel be provided with the first temperature threshold, second temperature threshold value, the 3rd temperature threshold, the first level threshold,
Second level threshold and the 3rd 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 down；When the hydraulic fluid temperature in the mix fuel tank is less than three temperature thresholds, the control panel
Open the first oil-feed and be pumped into high temperature oil, it is described when the hydraulic fluid temperature in the mix fuel tank is higher than three temperature thresholds
Control panel opens the second oil-feed 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
Hydraulic oil is pumped 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
During three level thresholds, the control panel opens oil feed pump and is pumped into hydraulic oil from outside 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
Stable temperature 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 flexible pipe.
Preferably, the volume of the mix fuel tank is more than the volume sum of high temperature fuel tank and low temperature fuel tank.
Preferably, the cooling device include be arranged on the low temperature fuel tank internal cool-heat-exchanger and with it is described cold
The cooling tower of heat exchanger connection, the heater is provided with heater strip.
Preferably, the present invention also provides a kind of hydraulic oil source system realization of the convection type fast temperature regulation and control described in basis
The control method of convection type fast temperature regulation and control, it comprises the following steps：
S1, when the temperature in the high temperature fuel tank is less than the first temperature threshold, the control panel control heating dress
Put and begin 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
Put and begin to cool down；
S3, when the temperature in the mix fuel tank is less than three temperature thresholds, the control panel opens the first oil-feed pump
High temperature oil is pumped into, when the temperature in the mix fuel tank is higher than three temperature thresholds, the control panel opens the second oil-feed pump
Low-temperature oil is pumped into, until the temperature of mix fuel tank reaches the 3rd 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
Hydraulic oil is pumped into low temperature fuel tank in mix fuel tank,
S6, when the liquid level of the mix fuel tank is less than three level thresholds, 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
Stable temperature 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. three fuel tanks, a high temperature fuel tank, a low temperature fuel tank, one are provided with the oil supply system that the present invention is provided
Mix fuel tank.Oil temperature in high temperature fuel tank maintains the oil temperature in constant high temperature, low temperature fuel tank to maintain 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, rises (drop) warm speed fast.It is provided with outside three fuel tanks
Thermal insulation layer, reduces heat exchange, reduces heat and scatters and disappears, improves efficiency.
3. of the invention simple in construction, an oil supply system can realize the supply of the hydraulic oil of different temperatures, meet different
The demand of experiment condition.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the dimensional structure diagram of one embodiment of the present of invention；
Fig. 3 is structural schematic block diagram of the invention；And
Fig. 4 is workflow schematic diagram of the invention.
Embodiment
Describe exemplary embodiment, feature and the aspect of the present invention in detail below with reference to accompanying drawing.Identical is attached in accompanying drawing
Icon note represents the same or analogous element of function.Although the various aspects of embodiment are shown in the drawings, unless special
Do not point out, it is not necessary to accompanying drawing drawn to scale.
The present invention provides a kind of hydraulic oil source system of convection type fast temperature regulation and control, and as shown in Figure 1 to Figure 3, it includes
High temperature fuel tank 1, low temperature fuel tank 2, mix fuel tank 3, heater 4, cooling device 5, control panel 6 and industrial computer 7, high temperature fuel tank
1 and low temperature fuel tank 2 be connected respectively by pipeline with mix fuel tank 3, mix fuel tank 3 is connected with outside fueller by pipeline.
Outside fueller is used to carry out fuel feeding to mix fuel tank 3, when needed, and 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 the oil temperature in constant high temperature, low temperature fuel tank 2 to maintain 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,
Realize that fast temperature regulates and controls, to obtain the hydraulic oil of different temperatures, meet different experiment demands.
Heater 4 is arranged on the inside of high temperature fuel tank 1, and heater 4 is added to the hydraulic oil inside high temperature fuel tank 1
Heat.Heater 4 includes the heater 42 for being arranged on the heater strip 41 of high temperature fuel tank internal and being connected with heater strip 41.Cooling
Device 5 includes being arranged on the cool-heat-exchanger 51 inside low temperature fuel tank 2 and the cooling tower 52 connected with cool-heat-exchanger 51, cold
But device 5 is cooled down to 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, convective region 32 is used for the low temperature hydraulic oil of the high temperature hydraulic oil and low temperature fuel tank delivered inside conveyed to high temperature fuel tank
Mixed, with the hydraulic oil of the certain temperature needed, and hydraulic oil is stored in convective region 32.In actual applications,
Buffer board 31 is the folded plate with chamfering.
Liquid level gauge 8 and thermometer are respectively arranged with inside high temperature fuel tank 1, inside low temperature fuel tank 2 and inside reserve 33
9, liquid of the liquid level gauge 8 for the hydraulic oil inside measurement high temperature fuel tank 1 respectively, inside inside low temperature fuel tank 2 and reserve 33
Position, and liquid level is sent to control panel, thermometer 9 is used for inside measurement high temperature fuel tank 1 respectively, the inside of low temperature fuel tank 2 and storage
The temperature of hydraulic oil inside oily area 33, and temperature is sent to control panel.
First is provided with 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
Second is provided with oil-feed pump 10, 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
First is provided with oil-feed pump 11, the pipeline between the first oil outlet end 303 of mix fuel tank 3 and the oil-inlet end 102 of high temperature fuel tank 1
Second is provided with oil outlet pump 12, the pipeline between the second oil outlet end 304 of mix fuel tank 3 and the oil-inlet end 202 of low temperature fuel tank 2
Oil outlet pump 13, oil feed pump 14 is provided between mix fuel tank 3 and outside 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, heater 4 are connected with the communication of control panel 6 respectively, and control panel 6 is connected with industrial computer 7 by data/address bus.Industry control
Machine 7 provides human-computer interaction interface, and control panel 6 is configured.
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, heater 4 is provided with heater strip.
Preferably, control panel 6 is provided with the first temperature threshold, second temperature threshold value, the 3rd temperature threshold, the first liquid level threshold
Value, the second level threshold and the 3rd level threshold,
When the temperature in high temperature fuel tank 1 is less than the first temperature threshold, the control heater 4 of control panel 6 is begun to warm up, when
When temperature in low temperature fuel tank 2 is higher than second temperature threshold value, the control cooling device of control panel 6 is begun to cool down, when in mix fuel tank 3
Temperature be less than three temperature thresholds when, control panel 6 open the first oil-feed be pumped into high temperature oil, the temperature in mix fuel tank 3
During higher than three temperature thresholds, control panel 6 opens the second oil-feed 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 the 3rd level threshold
When, control panel 6 opens oil feed pump and is pumped into hydraulic oil from outside fueller.
Preferably, pipeline, except that can be metal tube, can also be high-low temperature resistant flexible pipe.
Preferably, the present invention also provides the control method that a kind of hydraulic oil source system realizes the regulation and control of convection type fast temperature,
As shown in figure 4, it comprises the following steps：
S1, when the temperature in the high temperature fuel tank is less than the first temperature threshold, the control panel control heating dress
Put and begin 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
Put and begin to cool down；
S3, when the temperature in the mix fuel tank is less than three temperature thresholds, the control panel opens the first oil-feed pump
High temperature oil is pumped into, when the temperature in the mix fuel tank is higher than three temperature thresholds, 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 three level thresholds, the control panel opens oil feed pump from outside
Fueller is pumped into hydraulic oil.
The volume of mix fuel tank 3 needs to be more than the volume sum of high temperature fuel tank 1 and low temperature fuel tank 2, and the volume of fuel tank 3 is
100L, then the volume of fuel tank 1 and fuel tank 2 is respectively 150L.The distribution mode of its three fuel tanks is not limited to heating cooling oil box top,
Mix fuel tank bottom, can also three fuel tank tilings.
Described oil tank heating apparatus, is not limited only to heater strip mode and heats, and other manner is heated also in protection domain,
Its watt level determines the heating rate of oil temperature.Heater is placed on the inside of oil supply system, the top of three fuel tanks.
Described oil tank cooling device, is not limited to water cooling, and other manner is cooled down also within protection domain, its watt level
Determine the rate of temperature fall of oil temperature.Cooling tower is placed on the outside of oil supply system.
Described control panel, is not limited to be placed on the inside of oil supply system, can also be placed on outside, by cable and 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, the 3rd temperature threshold, the first level threshold, second
Level threshold and the 3rd level threshold,
In the present embodiment, the first temperature threshold is set to 120 degree, and second temperature threshold value is set to -20 degree, the 3rd temperature
Threshold value can be set according to user's request.Assuming that the volume of high temperature fuel tank 1 and low temperature fuel tank 2 is 100L, its size is length
The high 500mm of the wide 400mm of 500mm, the volume of mix fuel tank 3 is 150L, and its cun is the long 500 width high 300mm of 100mm, then the first liquid
Position threshold value is arranged to 400mm, and the second level threshold is set to 400mm, and the 3rd level threshold is set to 250mm.
In specific application, under initial situation, the mass ratio of low-temperature oil and high temperature oil can be determined by below equation, 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 is obtained, and two kinds of oil may eventually reach one
The temperature value of individual stabilization, its 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 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 lowIt is initially warm for low-temperature oil
Degree, TSurelyStable temperature after hydraulic oil mixing for two kinds of temperature.For example, in order to obtain the miscella that temperature is 80 DEG C, high temperature
If oil 10L, according to c × 10 × (120-80)=c × m2× (80- (- 20)), can obtain low-temperature oil needs 4L.
Due to having temperature sensor in each fuel tank, oil liquid temperature can be monitored in real time, the input and output of fluid are all
It is dynamic regulation, in the range of closed-loop control.
When the temperature in high temperature fuel tank 1 is less than the first temperature threshold, the control heater 4 of control panel 6 is begun to warm up, when
When temperature in low temperature fuel tank 2 is higher than second temperature threshold value, the control cooling device of control panel 6 is begun to cool down, when in mix fuel tank 3
Temperature be less than three temperature thresholds when, control panel 6 open the first oil-feed be pumped into high temperature oil, the temperature in mix fuel tank 3
During higher than three temperature thresholds, control panel 6 opens the second oil-feed 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 the 3rd level threshold
When, control panel 6 opens oil feed pump and is pumped into hydraulic oil from outside 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 with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in previous embodiment, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or substitutions, the essence of appropriate technical solution is departed from various embodiments of the present invention technical side
The scope 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, heater, cooling device, control panel and industrial computer, the high temperature fuel tank and low temperature fuel tank pass through respectively
Pipeline is connected with mix fuel tank, and the mix fuel tank is connected with outside fueller by pipeline,
The heater is arranged in the high temperature fuel tank, and the cooling device is arranged in the low temperature fuel tank,
Buffer board is provided with 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,
The first oil-feed is provided with pipeline between the oil outlet end of the high temperature fuel tank and the first oil-inlet end of the mix fuel tank
The second oil-feed is provided with pump, 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 is fuel-displaced that first is provided with pipeline between the oil-inlet end of pump, the first oil outlet end of the mix fuel tank and the high temperature fuel tank
It is fuel-displaced that second is provided with pipeline between the oil-inlet end of pump, the second oil outlet end of the mix fuel tank and the low temperature fuel tank
Pump, oil feed pump is provided between the mix fuel tank and the outside 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 device, plus
Thermal is connected with control panel communication respectively, and the control panel is connected with the industrial computer by data/address bus；
The control panel is provided with the first temperature threshold, second temperature threshold value, the 3rd temperature threshold, the first level threshold, second
Level threshold and the 3rd 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 heater
Begin 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 down；When the hydraulic fluid temperature in the mix fuel tank is less than three temperature thresholds, the control panel is opened
First oil-feed is pumped into high temperature oil, when the hydraulic fluid temperature in the mix fuel tank is higher than three temperature thresholds, the control
Plate opens the second oil-feed 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
Open the second oil outlet pump and be 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 3rd liquid
During the threshold value of position, the control panel opens oil feed pump and is pumped into hydraulic oil from outside 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
The temperature stablized afterwards.
3. the hydraulic oil source system of the convection type fast temperature regulation and control according to claims 1 or 2, it is characterised in that：Institute
State and be 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 the convection type fast temperature regulation and control according to claims 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 the convection type fast temperature regulation and control according to claims 1 or 2, it is characterised in that：Institute
Pipeline is stated for high-low temperature resistant flexible pipe.
6. the hydraulic oil source system of the convection type fast temperature regulation and control according to claims 1 or 2, it is characterised in that：Institute
The volume for stating mix fuel tank is more than the volume sum of high temperature fuel tank and low temperature fuel tank.
7. the hydraulic oil source system of the convection type fast temperature regulation and control according to claims 1 or 2, it is characterised in that：Institute
State cooling device include be arranged on the low temperature fuel tank internal cool-heat-exchanger and connected with the cool-heat-exchanger it is cold
But tower, the heater is 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 comprises 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 heater to open
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 to open
Begin to cool down；
S3, when the temperature in the mix fuel tank is less than three temperature thresholds, the control panel is opened the first oil-feed and is pumped into
High temperature oil, when the temperature in the mix fuel tank is higher than three temperature thresholds, the control panel is opened the second oil-feed and is pumped into
Low-temperature oil, until the temperature of mix fuel tank reaches the 3rd 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
Hydraulic oil is pumped into low temperature fuel tank in fuel tank,
S6, when the liquid level of the mix fuel tank is less than three level thresholds, the control panel opens oil feed pump from outside 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
The temperature stablized 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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| CN109973805A (en) * | 2019-04-15 | 2019-07-05 | 扬力集团股份有限公司 | A kind of press machine lubricating oil temperature regulating system and its oil temperature adjusting method |
| CN111536108A (en) * | 2020-05-08 | 2020-08-14 | 朱佳琦 | Hydraulic control system with punching stroke and speed of punch press capable of being automatically adjusted |
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