CN108105215A - The method of work of tubing type industrial constant-temperature machine with the bypass of adjustable relief valve hydraulic pressure - Google Patents
The method of work of tubing type industrial constant-temperature machine with the bypass of adjustable relief valve hydraulic pressure Download PDFInfo
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- CN108105215A CN108105215A CN201711216609.2A CN201711216609A CN108105215A CN 108105215 A CN108105215 A CN 108105215A CN 201711216609 A CN201711216609 A CN 201711216609A CN 108105215 A CN108105215 A CN 108105215A
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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
- 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
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
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- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
A kind of method of work of the tubing type industrial constant-temperature machine of the adjustable relief valve hydraulic pressure bypass of band of the present invention, it is characterised in that：Step 1: connection equipment heating source (900) and industrial constant-temperature machine；Step 2: during start, fuel reserve tank temperature sensor (908) or hydraulic oil transfer pipeline temperature sensor (103) first detect fluid temperature, and heating mode is opened when temperature is less than 35 DEG C, and refrigeration mode is opened when temperature is higher than 60 DEG C.The present invention has reliability high, the advantages of being hardly damaged, ensure system stable operation.
Description
Technical field
The present invention relates to a kind of method of works of the tubing type industrial constant-temperature machine of the adjustable relief valve hydraulic pressure bypass of band.
Background technology
It is well known that oil temperature in hydraulic system optimum temperature is between 35~55 degrees Celsius, once temperature increases to over 60
Degree Celsius, the system working efficiency of hydraulic system will significantly decline and its equipment fault continuously emerges, and cause the stabilization of equipment
Property degradation, can not ensure machinery equipment normal operation.In especially season in full summer, high oil temperature or even machine can be caused to set
It is standby to be usually in shutdown status.In winter, particularly severe cold area, oil temperature is relatively low, and the oil liquid temperature inside hydraulic system is low, glues
Degree is big, poor mobile performance, and working efficiency is also poor, and work is run by force under this environment, may result in hydraulic system member device
The failure of part is damaged or even scrapped.Traditional industrial refrigeration machine does not heat and constant temperature system.
Therefore the stability of industrial constant-temperature machine directly influences the working condition of machinery equipment, in traditional industrial constant-temperature machine
When fluid pressure is excessive, directly result in that pressure in heat exchanger is excessive to damage radiator.General radiator is to radiate
For the collecting tank of device all there are one the capacity of fixed proportion, fluid has certain big resistance by radiator heat-dissipation channel interior.It
Amount of liquid storage it is smaller, do not buffer, the temperature difference is big, low temperature environment, flow are uneven, have the liquid of certain viscosity, has punching running into
It hits under the fluid situations of power, the pressure of radiator heat-dissipation channel interior also increases therewith, is especially having impact force and viscosity to compare
In the case of big fluid, since fluid is in the resistance of channel interior, fluid is prevented to be allowed to from running through inside radiator passage
Pressure increases, and more than the highest operating pressure of radiator, radiator is easy to damage, scrap.
The content of the invention
It is high the purpose of the present invention is to overcome the above shortcomings and to provide a kind of reliability, it is hardly damaged, ensures that system stablizes fortune
The method of work of the tubing type industrial constant-temperature machine of the adjustable relief valve hydraulic pressure bypass of capable band.
The object of the present invention is achieved like this：
A kind of method of work of the tubing type industrial constant-temperature machine of the adjustable relief valve hydraulic pressure bypass of band, it is characterised in that:
Step 1: connection equipment heating source and industrial constant-temperature machine；
The hydraulic oil oil inlet and hydraulic oil oil outlet of the hydraulic oil transfer pipeline of industrial constant-temperature machine pass through hydraulic oil respectively
Oil inlet hose connects the hydraulic oil drain line in equipment heating source and hydraulic oil oil return line with hydraulic oil oil outlet hose；
Step 2: after equipment heating source brings into operation, the hydraulic oil of second fluid chamber of fuel reserve tank goes out by fuel reserve tank
Oil pipe line supply arrangement heat generating device, the hydraulic oil in equipment heating device drain into the of fuel reserve tank by fuel reserve tank oil inlet pipe
One fluid chamber, the hydraulic oil of first fluid chamber is successively by hydraulic oil drain line, hydraulic oil oil inlet hose, liquid
Pressure oil transfer pipeline, hydraulic oil oil outlet hose and hydraulic oil oil return line are back to second fluid chamber of fuel reserve tank；
During start, fuel reserve tank temperature sensor or hydraulic oil transfer pipeline temperature sensor first detect fluid temperature, when
Temperature opens heating mode when being less than 35 DEG C, and refrigeration mode is opened when temperature is higher than 60 DEG C；
Industrial constant-temperature machine includes a hydraulic oil transfer pipeline, from hydraulic oil oil inlet to liquid on the hydraulic oil transfer pipeline
Hydraulic oil transfer pipeline delivery pump, radiator and heat-exchanger rig are disposed between pressure oil oil outlet, the one side of radiator is set
It is equipped with cooling fan,
Hydraulic oil transfer pipeline temperature sensor is additionally provided on hydraulic oil transfer pipeline wherein in front of radiator, is radiated
Be provided with the first solenoid valve of hydraulic oil transfer pipeline on hydraulic oil transfer pipeline between device and heat-exchanger rig, in front of radiator and
One is arranged in parallel on the hydraulic oil transfer pipeline at the first solenoid valve rear and carries hydraulic oil transfer pipeline second solenoid valve
Hydraulic oil conveying bypass；
The upper heat exchange connector of the heat-exchanger rig is connected with heat exchanging pipe between lower heat exchange connector, on heat exchanging pipe
It is provided with gas-liquid separator, compressor, condenser, heat exchanging pipe by-passing valve, four-way valve, the first check valve, the first liquid storage device,
It is one device for drying and filtering, the first heat exchanging pipe solenoid valve, first throttling device, the second check valve, the second liquid storage device, second dried
Four ends up and down of filter, the second heat exchanging pipe solenoid valve and second throttling device, wherein four-way valve are respectively provided with A mouthfuls, B
Mouthful, C mouthfuls and D mouthfuls, E reversal valves are provided in four-way valve；Heat exchanging pipe by-passing valve is connected to compressor and gas-liquid separator
Between import；
Equipment heating source includes equipment heating device and fuel reserve tank, and one piece is provided in the liquid reserve tank and is vertically arranged
Partition plate, partition plate will in liquid reserve tank be respectively two fluid chambers, first fluid chamber be provided with fuel reserve tank oil inlet and
The oil discharge outlet of fuel reserve tank, second fluid chamber are provided with the oil outlet of fuel reserve tank and the oil return opening of fuel reserve tank, fuel reserve tank
The oil outlet of oil discharge outlet and fuel reserve tank is both provided with filter, the oil outlet of equipment heating device and the oil inlet of fuel reserve tank it
Between be connected with fuel reserve tank oil inlet pipe, the oil discharge outlet of fuel reserve tank draws hydraulic oil drain line, the oil inlet of equipment heating device
Fuel reserve tank oil outlet pipe is connected between the oil outlet of fuel reserve tank, is set in fuel reserve tank oil inlet pipe or fuel reserve tank oil outlet pipe
Fuel reserve tank oil-way circulation pump is equipped with, the oil return opening of fuel reserve tank draws hydraulic oil oil return line, first fluid chamber of fuel reserve tank
There are one fuel reserve tank temperature sensors for interior setting；
The hydraulic oil oil inlet and hydraulic oil oil outlet of the hydraulic oil transfer pipeline are soft by hydraulic oil oil inlet respectively
Pipe connects the hydraulic oil drain line in equipment heating source and hydraulic oil oil return line with hydraulic oil oil outlet hose；
Be arranged in parallel adjustable relief valve on the oil circuit at radiator both ends, the adjustable relief valve include outer housing,
Inner housing, piston, two springs, two adjusting blocks and two adjusting nuts, the outer housing lateral arrangement, the outer housing
The interior outer housing fluid passageway for forming a lateral direction penetrating, is provided with Fluid passageways chamber, Fluid passageways in the middle part of the outer housing
The internal diameter of chamber is more than the outer diameter of outer housing fluid passageway, and Fluid passageways intracavitary is fixedly installed one piece of separation ring flat-plate, separates ring flat-plate
Fluid passageways chamber is separated to form two half chambers of Fluid passageways in left and right, left section of the outer housing and right section be symmetrical arranged there are one
Nut groove, the piston are horizontally set at the middle part of outer housing fluid passageway, in the outer housing fluid passageway at left and right sides of piston
Set gradually spring, adjusting block and inner housing from inside to outside respectively, the outer ends of two springs connects two adjusting blocks respectively
Inner end, rotation is put there are two adjusting nut, adjusting block and adjusting nut thread fitting respectively in the outer section of two adjusting blocks, adjusts spiral shell
Mother is limited in nut groove, leaves gap between the inner face and outer housing of adjusting block, the outer end face and inner housing of adjusting block it
Between leave gap, the piston is the hollow structure of left and right ends opening, and the piston includes piston shell, the piston shell
Middle part be provided with one piece of partition plate being vertically arranged, the inside of piston is divided into what left and right two was in communication with the outside respectively by partition plate
Piston fluid passage is provided with the fluid bore being arranged symmetrically on the piston shell at left and right sides of partition plate.
Refrigeration mode：Heat-exchanger rig, gas-liquid separator, compressor, condenser, four-way valve, are provided on refrigeration pipeline
One check valve, the first liquid storage device, the first device for drying and filtering, the first heat exchanging pipe solenoid valve and first throttling device；
The operation principle of refrigeration pipeline：
Automatically controlled instruction of freezing requires compressor operating refrigerant sequence, and the first heat exchanging pipe solenoid valve is opened, the second heat exchanger tube
Way solenoid valve is closed, four-way valve power-off, and the E reversal valves in four-way valve are closed；Compressor operating compresses refrigerant high temperature and pressure gas
Body is successively by A mouthfuls of four-way valve, D mouthfuls of four-way valve, condenser, the first check valve, the first liquid storage device, the first device for drying and filtering, the
Pressure is back to after one heat exchanging pipe solenoid valve, first throttling device, heat-exchanger rig, B mouthfuls of four-way valve, C mouthfuls of four-way valve, gas-liquid separator
Contracting machine；Wherein：For cooling down the high-temperature high-pressure refrigerant gas of compression, the first liquid storage device is used to separate refrigerant gas condenser
And liquid, first throttling device become low pressure refrigerant liquid for high pressure refrigerant liquid, heat-exchanger rig is used for low voltage refrigeration
Agent liquid evaporation absorbs heat and becomes low pressure refrigerant gas；
Heating mode：Heat-exchanger rig, gas-liquid separator, compressor, condenser, four-way valve, the are provided on heating pipeline
Two check valves, the second liquid storage device, the second device for drying and filtering, the second heat exchanging pipe solenoid valve and second throttling device；
Heat the operation principle of pipeline：
Heating automatically controlled instruction requires compressor operating to heat program, and the first heat exchanging pipe solenoid valve is closed, the second heat exchanger tube
Way solenoid valve is opened, and four-way valve is powered, and the E reversal valves in four-way valve are opened；Compressor operating compresses refrigerant high temperature and pressure gas
Body successively by A mouthfuls of four-way valve, B mouthfuls of four-way valve, heat-exchanger rig, the second check valve, the second liquid storage device, the second device for drying and filtering,
Pressure is back to after second heat exchanging pipe solenoid valve, second throttling device, condenser, D mouthfuls of four-way valve, C mouthfuls of four-way valve, gas-liquid separator
Contracting machine；
Wherein：Heat-exchanger rig becomes higher pressure refrigerant gas for high-temperature high-pressure refrigerant gas condensed absorbent heat, the
For two liquid storage devices for separating refrigerant gas and liquid, second throttling device becomes low pressure refrigerant for higher pressure refrigerant gas
Gas；
The first solenoid valve of hydraulic oil transfer pipeline and hydraulic oil transfer pipeline second solenoid valve are heated and made in heat exchanging pipe
When cold, action is depending on environment temperature；
Refrigeration mode：When fluid temperature is higher than environment temperature, the first solenoid valve of hydraulic oil transfer pipeline is opened, and hydraulic oil is defeated
Pipeline second solenoid valve is sent to close；When fluid temperature is lower than environment temperature, the first solenoid valve of hydraulic oil transfer pipeline is closed, hydraulic pressure
Oily transfer pipeline second solenoid valve is opened；
Heating mode：When fluid temperature is higher than environment temperature, the first solenoid valve of hydraulic oil transfer pipeline is closed, and hydraulic oil is defeated
Pipeline second solenoid valve is sent to open；When fluid temperature is lower than environment temperature, the first solenoid valve of hydraulic oil transfer pipeline is opened, hydraulic pressure
Oily transfer pipeline second solenoid valve is closed.
The outer end inner wall of inner housing is provided with connection screw thread.
Hollow out at the outer housing of adjusting nut front and rear surfaces, the outer surface of adjusting nut are provided with graduation mark.
The internal diameter for separating ring flat-plate is consistent with the internal diameter of outer housing fluid passageway.
The outer diameter of spring is matched with the internal diameter of outer housing fluid passageway.
The fluid bore is circular layout on piston shell.
Fluid bore of the partition plate per one side is provided with multi-turn.
The fluid bore of left end is not more than the transverse direction of half chamber of Fluid passageways to the lateral separation between the fluid bore of right end
Distance.
The left and right ends of the piston are provided with the step with spring cooperation.
Inner seal ring is provided between the inner segment outer wall and outer housing of adjusting block, between the outer section inner wall inner housing of adjusting block
It is provided with exterior seal ring.
Compared with prior art, the beneficial effects of the invention are as follows：
At summer, hydraulic work system, oil temperature is more than the technological temperature of setting, and industrial constant-temperature machine automatic running reduces
The oil temperature of hydraulic work system reaches required technological temperature, and in winter, the oil temperature of hydraulic system is less than technological temperature, industry
Constant temperature machine automatic running by compression mechanism hot systems and corresponding tube heater auxiliary heating system, reaches required work
Skill temperature, and constant temperature is in desired Process temperature ranges.It is energy-saving and environmental protection, low by tubing type compressor heating system
Carbon, Energy Efficiency Ratio is high, is saved greatly the energy, efficiently thermal energy referral is made oil liquid temperature quickly raise, may be used also to fluid
So that fluid undergoes no deterioration and is carbonized, it is service life to extend fluid.The present invention has reliability high, is hardly damaged, and ensures
The advantages of system stable operation.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the internal structure schematic diagram of adjustable relief valve.
Fig. 3 is the outline structural diagram of adjustable relief valve.
Fig. 4 is the section plan of housing.
Fig. 5 is the section plan of piston.
Fig. 6 is the half-sectional explosive view of plane of adjustable relief valve.
Fig. 7 is the half-sectional explosive view of solid of adjustable relief valve.
Fig. 8 is the schematic diagram of embodiment 1.
Fig. 9 is the schematic diagram of embodiment 2.
Figure 10 is the schematic diagram of the heat exchanging pipe in Fig. 1.
Figure 11 is the schematic diagram of the four-way valve in Figure 10.
Wherein：
Hydraulic oil transfer pipeline 100, hydraulic oil transfer pipeline delivery pump 101, heat-exchanger rig 102, hydraulic oil transfer pipeline
Temperature sensor 103, the first solenoid valve of hydraulic oil transfer pipeline 104, hydraulic oil transfer pipeline second solenoid valve 105, hydraulic oil
Conveying bypass 106
Heat exchanging pipe 200, gas-liquid separator 201, compressor 202, condenser 203, heat exchanging pipe by-passing valve 204, four-way
Valve 205, the first check valve 206, the first liquid storage device 207, the first device for drying and filtering 208, the first heat exchanging pipe solenoid valve 209,
One throttling set 210, the second check valve 211, the second liquid storage device 212, the second device for drying and filtering 213, the second heat exchanging pipe electromagnetism
Valve 214, second throttling device 215
Radiator 5
Adjustable relief valve 7, outer housing 701, outer housing fluid passageway 701.1, Fluid passageways chamber 701.2, separation ring flat-plate
701.3rd, nut groove 701.4, inner housing 702, piston 703, piston shell 703.1, partition plate 703.2, fluid bore 703.3, step
703.4th, piston fluid passage 703.5, spring 704, adjusting block 705, adjusting nut 706, connection bolt 707, inner seal ring
708th, exterior seal ring 709
Equipment heating source 900, equipment heating device 901, fuel reserve tank 902, fuel reserve tank oil inlet pipe 903, hydraulic oil oil extraction
Pipeline 904, fuel reserve tank oil outlet pipe 905, fuel reserve tank oil-way circulation pump 906, hydraulic oil oil return line 907, fuel reserve tank temperature pass
Sensor 908.
Specific embodiment
Referring to Fig. 1~Figure 11, a kind of tubing type industrial constant-temperature of the adjustable relief valve hydraulic pressure bypass of band of the present invention
Machine, it includes a hydraulic oil transfer pipeline 100, goes out on the hydraulic oil transfer pipeline 100 from hydraulic oil oil inlet to hydraulic oil
Hydraulic oil transfer pipeline delivery pump 101, radiator 5 and heat-exchanger rig 102, the one side of radiator 5 are disposed between hydraulic fluid port
Cooling fan is provided with, adjustable relief valve 7 has been arranged in parallel on the oil circuit at radiator both ends.
Wherein hydraulic oil transfer pipeline temperature sensor is additionally provided on the hydraulic oil transfer pipeline 100 in 5 front of radiator
103, the first electromagnetism of hydraulic oil transfer pipeline is provided on the hydraulic oil transfer pipeline 100 between radiator 5 and heat-exchanger rig 102
One has been arranged in parallel with liquid on the hydraulic oil transfer pipeline 100 at valve 104,5 front of radiator and 104 rear of the first solenoid valve
The hydraulic oil conveying bypass 106 of pressure oil transfer pipeline second solenoid valve 105；
The upper heat exchange connector of the heat-exchanger rig 102 is connected with heat exchanging pipe 200 between lower heat exchange connector, exchanges heat
Be provided on pipeline 200 gas-liquid separator 201, compressor 202, condenser 203, heat exchanging pipe by-passing valve 204, four-way valve 205,
First check valve 206, the first liquid storage device 207, the first device for drying and filtering 208, the first heat exchanging pipe solenoid valve 209, first throttle
Device 210, the second check valve 211, the second liquid storage device 212, the second device for drying and filtering 213, the second heat exchanging pipe solenoid valve 214 with
And second throttling device 215, four ends up and down of wherein four-way valve 205 are respectively provided with A mouthfuls, B mouthfuls, C mouthfuls and D mouthfuls, four-way
E reversal valves are provided in valve 205；Heat exchanging pipe by-passing valve 204 be connected to compressor 202 and gas-liquid separator 201 import it
Between；
Heat exchanging pipe 200 as needed refrigeration pipeline and heating pipeline between switch over be respectively formed refrigeration mode and
Heating mode；
Refrigeration mode：Heat-exchanger rig 102, gas-liquid separator 201, compressor 202, condenser are provided on refrigeration pipeline
203rd, four-way valve 205, the first check valve 206, the first liquid storage device 207, the first device for drying and filtering 208, the first heat exchanging pipe electromagnetism
Valve 209 and first throttling device 210；
The operation principle of refrigeration pipeline：
Automatically controlled instruction of freezing requires compressor operating refrigerant sequence, and the first heat exchanging pipe solenoid valve 209 is opened, the second heat exchange
Pipeline electromagnetic valve 214 is closed, and four-way valve 205 powers off, and the E reversal valves in four-way valve 205 are closed；Compressor operating, compression refrigeration
Agent high temperature and high pressure gas are successively by A mouthfuls of four-way valve, D mouthfuls of four-way valve, condenser, the first check valve, the first liquid storage device, first dry
Dry filter, the first heat exchanging pipe solenoid valve, first throttling device, heat-exchanger rig, B mouthfuls of four-way valve, C mouthfuls of four-way valve, gas-liquid point
From being back to compressor after device；Wherein：For cooling down the high-temperature high-pressure refrigerant gas of compression, the first liquid storage device is used to divide condenser
From refrigerant gas and liquid, first throttling device becomes low pressure refrigerant liquid, heat-exchanger rig for high pressure refrigerant liquid
Heat, which is absorbed, for low pressure refrigerant liquid evaporation becomes low pressure refrigerant gas；
Heating mode：Heat-exchanger rig 102, gas-liquid separator 201, compressor 202, condenser are provided on heating pipeline
203rd, four-way valve 205, the second check valve 211, the second liquid storage device 212, the second device for drying and filtering 213, the second heat exchanging pipe electromagnetism
Valve 214 and second throttling device 215；
Heat the operation principle of pipeline：
Heating automatically controlled instruction requires compressor operating to heat program, and the first heat exchanging pipe solenoid valve 209 is closed, the second heat exchange
Pipeline electromagnetic valve 214 is opened, and four-way valve 205 is powered, and the E reversal valves in four-way valve 205 are opened；Compressor operating, compression refrigeration
Agent high temperature and high pressure gas are successively by A mouthfuls of four-way valve, B mouthfuls of four-way valve, heat-exchanger rig, the second check valve, the second liquid storage device, second
Device for drying and filtering, the second heat exchanging pipe solenoid valve, second throttling device, condenser, D mouthfuls of four-way valve, C mouthfuls of four-way valve, gas-liquid point
From being back to compressor after device；
Wherein：Heat-exchanger rig becomes higher pressure refrigerant gas for high-temperature high-pressure refrigerant gas condensed absorbent heat, the
For two liquid storage devices for separating refrigerant gas and liquid, second throttling device becomes low pressure refrigerant for higher pressure refrigerant gas
Gas；
The first solenoid valve of hydraulic oil transfer pipeline 104 and hydraulic oil transfer pipeline second solenoid valve 105 are in heat exchanging pipe 200
When heating and refrigeration, action is depending on environment temperature；
Refrigeration mode：When fluid temperature is higher than environment temperature, the first solenoid valve of hydraulic oil transfer pipeline 104 is opened, hydraulic pressure
Oily transfer pipeline second solenoid valve 105 is closed；When fluid temperature is lower than environment temperature, the first solenoid valve of hydraulic oil transfer pipeline
104 close, and hydraulic oil transfer pipeline second solenoid valve 105 is opened；
Heating mode：When fluid temperature is higher than environment temperature, the first solenoid valve of hydraulic oil transfer pipeline 104 is closed, hydraulic pressure
Oily transfer pipeline second solenoid valve 105 is opened；When fluid temperature is lower than environment temperature, the first solenoid valve of hydraulic oil transfer pipeline
104 open, and hydraulic oil transfer pipeline second solenoid valve 105 is closed；
Equipment heating source 900 includes equipment heating device 901 and fuel reserve tank 902, and one is provided in the liquid reserve tank 902
The partition plate that block is vertically arranged, partition plate will be respectively two fluid chambers in liquid reserve tank 902, and first fluid chamber is provided with oil storage
The oil inlet of case 902 and the oil discharge outlet of fuel reserve tank 902, second fluid chamber be provided with fuel reserve tank 902 oil outlet and
The oil return opening of fuel reserve tank 902, the oil discharge outlet of fuel reserve tank 902 and the oil outlet of fuel reserve tank 902 are both provided with filter, equipment hair
Fuel reserve tank oil inlet pipe 903, the row of fuel reserve tank 902 are connected between the oil outlet of thermal 901 and the oil inlet of fuel reserve tank 902
Hydraulic fluid port draws hydraulic oil drain line 904, is connected between the oil inlet of equipment heating device 901 and the oil outlet of fuel reserve tank 902
There is fuel reserve tank oil outlet pipe 905, fuel reserve tank oil circuit is provided in fuel reserve tank oil inlet pipe 903 or fuel reserve tank oil outlet pipe 905
Circulating pump 906, the oil return opening of fuel reserve tank 902 draw hydraulic oil oil return line 907, in first fluid chamber of fuel reserve tank 902
Fuel reserve tank temperature sensor 908 there are one setting.
The hydraulic oil oil inlet and hydraulic oil oil outlet of the hydraulic oil transfer pipeline 100 pass through hydraulic oil oil inlet respectively
Hose connects the hydraulic oil drain line 904 in equipment heating source 900 and hydraulic oil oil return line with hydraulic oil oil outlet hose
907。
A kind of method of work of the tubing type industrial constant-temperature machine of the adjustable relief valve hydraulic pressure bypass of band：
Step 1: connection equipment heating source 900 and industrial constant-temperature machine；
The hydraulic oil oil inlet and hydraulic oil oil outlet of the hydraulic oil transfer pipeline 100 of industrial constant-temperature machine pass through hydraulic pressure respectively
Oily oil inlet hose connects the hydraulic oil drain line 904 in equipment heating source 900 with hydraulic oil oil outlet hose and hydraulic oil returns
Oil pipe line 907；
Step 2: after equipment heating source 900 brings into operation, the hydraulic oil of 902 second fluid chambers of fuel reserve tank is by storage
905 supply arrangement heat generating device 901 of fuel tank oil outlet pipe, the hydraulic oil in equipment heating device 901 pass through fuel reserve tank oil inlet pipe
Road 903 drains into first fluid chamber of fuel reserve tank 902, and the hydraulic oil of first fluid chamber passes through hydraulic oil oil exit pipe successively
Road 904, hydraulic oil oil inlet hose, hydraulic oil transfer pipeline 100, hydraulic oil oil outlet hose and hydraulic oil oil return line
907 are back to second fluid chamber of fuel reserve tank 902；
During start, fuel reserve tank temperature sensor 908 or hydraulic oil transfer pipeline temperature sensor 103 first detect liquid temperature
Degree opens heating mode when temperature is less than 35 DEG C, and refrigeration mode is opened when temperature is higher than 60 DEG C.
The adjustable relief valve 7 includes outer housing 701, inner housing 702,703, two, piston, 704, two, spring and adjusts
Block 705 and two adjusting nuts 706,701 lateral arrangement of outer housing, one transverse direction of the interior formation of the outer housing 701 are passed through
Logical outer housing fluid passageway 701.1, the middle part of the outer housing 701 are provided with Fluid passageways chamber 701.2, Fluid passageways chamber
701.2 internal diameter is more than the outer diameter of outer housing fluid passageway 701.1, and one piece of separation is fixedly installed in Fluid passageways chamber 701.2
Ring flat-plate 701.3, the internal diameter of separation ring flat-plate 701.3 is consistent with the internal diameter of outer housing fluid passageway 701.1, and separating ring flat-plate 701.3 will
Fluid passageways chamber 701.2 is separated to form two half chambers of Fluid passageways in left and right, and left section and right section of the outer housing 701 is symmetrical arranged
There are one nut grooves 701.4.The piston 703 is horizontally set at the middle part of outer housing fluid passageway 701.1, piston 703 or so
Set gradually spring 704, adjusting block 705 and inner housing in the outer housing fluid passageway 701.1 of both sides from inside to outside respectively
702, the outer diameter of spring 704 is matched with the internal diameter of outer housing fluid passageway 701.1.The outer end of two springs 704 connects two respectively
The inner end of a adjusting block 705, rotation puts that there are two adjusting nut 706, adjusting nuts 706 respectively in the outer section of two adjusting blocks 705
Hollow out at the outer housing 701 of front and rear surfaces, the outer surface of adjusting nut 706 are provided with graduation mark, adjusting block 705 and adjusting nut
706 thread fittings, adjusting nut 706 are limited in nut groove 701.4, and adjusting block can be adjusted by putting adjusting nut 706 by rotation
705 lateral separation so as to adjust the elastic potential energy of spring 704, can control fluid in outer shell fluid passage 701.1
Pressure release value.Inner housing 702 is fixed with outer housing 701 by being connected bolt 707, and the outer end inner wall of inner housing 702 is provided with connection
Screw thread is provided with inner seal ring 708, the outer section inner wall of adjusting block 705 between the inner segment outer wall of adjusting block 705 and outer housing 701
Exterior seal ring 709 is provided between inner housing 702, gap is left between the inner face of adjusting block 705 and outer housing 701, is adjusted
Gap is left between the outer end face of block 705 and inner housing 702.
The piston 703 is the hollow structure of left and right ends opening, and the piston 703 includes piston shell 703.1, described
The middle part of piston shell 703.1 is provided with one piece of partition plate being vertically arranged 703.2, partition plate 703.2 by the inside points of piston 703 every
For the two piston fluid passages 703.5 being in communication with the outside respectively in left and right, the piston shell positioned at 703.2 left and right sides of partition plate
It is provided with the fluid bore 703.3 being arranged symmetrically on 703.1, the fluid bore 703.3 is circular layout on piston shell 703.1,
Fluid bore 703.3 of the partition plate 703.2 per one side can be provided with multi-turn, and the one of left end encloses fluid bore 703.3 to right end
Lateral separation between one circle fluid bore 703.3 is not more than the lateral separation of half chamber of Fluid passageways.The left and right two of the piston 703
End is provided with the step 703.4 coordinated with spring 704.
The method of work of adjustable relief valve：
Adjusting nut is adjusted according to the setting pressure of fluid first, so as to be adjusted come the elastic potential energy to spring
Section, the final pressure release value for controlling fluid in outer shell fluid passage；
When hydraulic pressure main road is unobstructed, the pressure of the left and right ends of adjustable relief valve is equal, and piston is in housing center
Position, the partition position of piston is corresponding with the position of the separation ring flat-plate of housing, and piston does not act；
Embodiment 1, when liquid flows from left to right and hydraulic pressure main road is obstructed, the left end pressure of adjustable relief valve is big
In right end pressure, the pressure being more than due to the pressure in the piston fluid passage on the left of partition plate in the piston fluid passage on the right side of partition plate
Power, fluid forces partition plate moves right, so that piston also moves right, the fluid bore on the left of partition plate is located at the one of right side
During a half intracavitary of Fluid passageways, the larger fluid of pressure flows out to right side out of left side piston fluid passage by fluid bore
One half intracavitary of Fluid passageways, then flow to again right side piston fluid passage in, so as to achieve the purpose that pressure release, at this time left side
Spring be in tensional state, the spring on right side is in compressive state, until partition plate on the left of it is equal with the pressure on right side, piston is returned
Original position is put, hydraulic pressure main road returns unobstructed.
Embodiment 2, when liquid flows from left to right and hydraulic pressure main road is obstructed, the right end pressure of adjustable relief valve is big
In left end pressure, the pressure being more than due to the pressure in the piston fluid passage on the right side of partition plate in the piston fluid passage on the left of partition plate
Power, fluid forces partition plate is moved to the left, so that piston is also moved to the left, the fluid bore on the right side of partition plate is located at the one of left side
During a half intracavitary of Fluid passageways, the larger fluid of pressure flows out to left side out of right side piston fluid passage by fluid bore
One half intracavitary of Fluid passageways, then flow to again left side piston fluid passage in, so as to achieve the purpose that pressure release, at this time right side
Spring be in tensional state, the spring in left side is in compressive state, until partition plate on the left of, Hydraulic Main equal with the pressure on right side
Road returns unobstructed.
Claims (10)
1. a kind of method of work of the tubing type industrial constant-temperature machine of the adjustable relief valve hydraulic pressure bypass of band, it is characterised in that：
Step 1: connection equipment heating source and industrial constant-temperature machine；
The hydraulic oil oil inlet and hydraulic oil oil outlet of the hydraulic oil transfer pipeline of industrial constant-temperature machine pass through hydraulic oil oil inlet respectively
Mouth hose connects the hydraulic oil drain line in equipment heating source and hydraulic oil oil return line with hydraulic oil oil outlet hose；
Step 2: after equipment heating source brings into operation, the hydraulic oil of second fluid chamber of fuel reserve tank passes through fuel reserve tank flowline
Road supply arrangement heat generating device, the hydraulic oil in equipment heating device drain into first of fuel reserve tank by fuel reserve tank oil inlet pipe
Fluid chamber, the hydraulic oil of first fluid chamber is successively by hydraulic oil drain line, hydraulic oil oil inlet hose, hydraulic oil
Transfer pipeline, hydraulic oil oil outlet hose and hydraulic oil oil return line are back to second fluid chamber of fuel reserve tank；
During start, fuel reserve tank temperature sensor or hydraulic oil transfer pipeline temperature sensor first detect fluid temperature, work as temperature
Heating mode is opened during less than 35 DEG C, refrigeration mode is opened when temperature is higher than 60 DEG C；
Industrial constant-temperature machine includes a hydraulic oil transfer pipeline (100), from hydraulic oil oil inlet on the hydraulic oil transfer pipeline (100)
Mouthful to being disposed with hydraulic oil transfer pipeline delivery pump (101), radiator (5) and heat-exchanger rig between hydraulic oil oil outlet
(102), the one side of radiator (5) is provided with cooling fan,
Hydraulic oil transfer pipeline temperature sensor is additionally provided on hydraulic oil transfer pipeline (100) wherein in front of radiator (5)
(103), it is provided with hydraulic oil transfer pipeline on the hydraulic oil transfer pipeline (100) between radiator (5) and heat-exchanger rig (102)
It is in parallel on the hydraulic oil transfer pipeline (100) at the first solenoid valve (104), radiator (5) front and the first solenoid valve (104) rear
It is provided with a hydraulic oil conveying bypass (106) with hydraulic oil transfer pipeline second solenoid valve (105)；
The upper heat exchange connector of the heat-exchanger rig (102) is connected with heat exchanging pipe (200) between lower heat exchange connector, exchanges heat
Be provided on pipeline (200) gas-liquid separator (201), compressor (202), condenser (203), heat exchanging pipe by-passing valve (204),
Four-way valve (205), the first check valve (206), the first liquid storage device (207), the first device for drying and filtering (208), the first heat exchanging pipe
Solenoid valve (209), first throttling device (210), the second check valve (211), the second liquid storage device (212), the second device for drying and filtering
(213), the second heat exchanging pipe solenoid valve (214) and second throttling device (215), wherein four-way valve (205) be up and down
Four ends are respectively provided with A mouthfuls, B mouthfuls, C mouthfuls and D mouthfuls, and E reversal valves are provided in four-way valve (205)；Heat exchanging pipe by-passing valve (204)
It is connected between the import of compressor (202) and gas-liquid separator (201)；
Equipment heating source (900) includes equipment heating device (901) and fuel reserve tank (902), is set in the liquid reserve tank (902)
There is one piece of partition plate being vertically arranged, partition plate will be respectively two fluid chambers in liquid reserve tank (902), and first fluid chamber is set
There are the oil inlet of fuel reserve tank (902) and the oil discharge outlet of fuel reserve tank (902), second fluid chamber to be provided with fuel reserve tank (902)
Oil outlet and fuel reserve tank (902) oil return opening, the oil discharge outlet of fuel reserve tank (902) and the oil outlet of fuel reserve tank (902) are equal
Be provided with filter, be connected between the oil outlet of equipment heating device (901) and the oil inlet of fuel reserve tank (902) fuel reserve tank into
Oil pipe line (903), the oil discharge outlet of fuel reserve tank (902) draw hydraulic oil drain line (904), equipment heating device (901) into
Be connected with fuel reserve tank oil outlet pipe (905) between the oil outlet of hydraulic fluid port and fuel reserve tank (902), fuel reserve tank oil inlet pipe (903) or
Fuel reserve tank oil-way circulation pump (906) is provided in person's fuel reserve tank oil outlet pipe (905), the oil return opening of fuel reserve tank (902) draws liquid
Pressure oil oil return line (907), there are one fuel reserve tank temperature sensors for the interior setting of first fluid chamber of fuel reserve tank (902)
(908)；
The hydraulic oil oil inlet and hydraulic oil oil outlet of the hydraulic oil transfer pipeline (100) are soft by hydraulic oil oil inlet respectively
Pipe connects the hydraulic oil drain line (904) in equipment heating source (900) and hydraulic oil oil return line with hydraulic oil oil outlet hose
(907)；
Be arranged in parallel adjustable relief valve on the oil circuit at radiator both ends, the adjustable relief valve include outer housing (701),
Inner housing (702), piston (703), two springs (704), two adjusting blocks (705) and two adjusting nuts (706) are described
Outer housing (701) lateral arrangement, the interior outer housing fluid passageway (701.1) for forming a lateral direction penetrating of the outer housing (701),
Fluid passageways chamber (701.2) is provided in the middle part of the outer housing (701), the internal diameter of Fluid passageways chamber (701.2) is more than shell
The outer diameter of body fluid passageway (701.1), Fluid passageways chamber (701.2) is interior to be fixedly installed one piece of separation ring flat-plate (701.3), separates
Fluid passageways chamber (701.2) is separated to form two half chambers of Fluid passageways in left and right by ring flat-plate (701.3), the outer housing (701)
Left section and right section is symmetrical arranged there are one nut groove (701.4), and the piston (703) is horizontally set at outer housing fluid passageway
(701.1) middle part is set gradually from inside to outside respectively in the outer housing fluid passageway (701.1) at left and right sides of piston (703)
Spring (704), adjusting block (705) and inner housing (702), the outer end of two springs (704) connect two adjusting blocks respectively
(705) inner end, rotation is put there are two adjusting nut (706) respectively in the outer section of two adjusting blocks (705), adjusting block (705) with
Adjusting nut (706) thread fitting, adjusting nut (706) are limited in nut groove (701.4), the inner face of adjusting block (705)
Gap is left between outer housing (701), gap, the work are left between the outer end face of adjusting block (705) and inner housing (702)
The hollow structure that (703) are left and right ends opening is filled in, the piston (703) includes piston shell (703.1), the piston shell
(703.1) be provided with one piece of partition plate being vertically arranged (703.2) in the middle part of, partition plate (703.2) by the inside points of piston (703) every
For the two piston fluid passages (703.5) being in communication with the outside respectively in left and right, the piston shell at left and right sides of partition plate (703.2)
The fluid bore (703.3) being arranged symmetrically is provided on body (703.1)；
Refrigeration mode：Heat-exchanger rig, gas-liquid separator, compressor, condenser, four-way valve, the first list are provided on refrigeration pipeline
To valve, the first liquid storage device, the first device for drying and filtering, the first heat exchanging pipe solenoid valve and first throttling device；
The operation principle of refrigeration pipeline：
Automatically controlled instruction of freezing requires compressor operating refrigerant sequence, and the first heat exchanging pipe solenoid valve is opened, the second heat exchanging pipe electricity
Magnet valve is closed, four-way valve power-off, and the E reversal valves in four-way valve are closed；Compressor operating, compression refrigerant high temperature and high pressure gas according to
It is secondary to be changed by A mouthfuls of four-way valve, D mouthfuls of four-way valve, condenser, the first check valve, the first liquid storage device, the first device for drying and filtering, first
Compression is back to after heat pipe way solenoid valve, first throttling device, heat-exchanger rig, B mouthfuls of four-way valve, C mouthfuls of four-way valve, gas-liquid separator
Machine；Wherein：Condenser for cool down compression high-temperature high-pressure refrigerant gas, the first liquid storage device for separate refrigerant gas and
Liquid, first throttling device become low pressure refrigerant liquid for high pressure refrigerant liquid, and heat-exchanger rig is used for low pressure refrigerant
Liquid evaporation absorbs heat and becomes low pressure refrigerant gas；
Heating mode：Heat-exchanger rig, gas-liquid separator, compressor, condenser, four-way valve, the second list are provided on heating pipeline
To valve, the second liquid storage device, the second device for drying and filtering, the second heat exchanging pipe solenoid valve and second throttling device；
Heat the operation principle of pipeline：
Heating automatically controlled instruction requires compressor operating to heat program, and the first heat exchanging pipe solenoid valve is closed, the second heat exchanging pipe electricity
Magnet valve is opened, and four-way valve is powered, and the E reversal valves in four-way valve are opened；Compressor operating, compression refrigerant high temperature and high pressure gas according to
It is secondary to pass through A mouthfuls of four-way valve, B mouthfuls of four-way valve, heat-exchanger rig, the second check valve, the second liquid storage device, the second device for drying and filtering, second
Compression is back to after heat exchanging pipe solenoid valve, second throttling device, condenser, D mouthfuls of four-way valve, C mouthfuls of four-way valve, gas-liquid separator
Machine；
Wherein：Heat-exchanger rig becomes higher pressure refrigerant gas, the second storage for high-temperature high-pressure refrigerant gas condensed absorbent heat
For liquid device for separating refrigerant gas and liquid, second throttling device becomes low pressure refrigerant gas for higher pressure refrigerant gas
Body；
The first solenoid valve of hydraulic oil transfer pipeline and hydraulic oil transfer pipeline second solenoid valve when heat exchanging pipe heats and freezes,
Action is depending on environment temperature；
Refrigeration mode：When fluid temperature is higher than environment temperature, the first solenoid valve of hydraulic oil transfer pipeline is opened, hydraulic oil delivery pipe
Road second solenoid valve is closed；When fluid temperature is lower than environment temperature, the first solenoid valve of hydraulic oil transfer pipeline is closed, and hydraulic oil is defeated
Pipeline second solenoid valve is sent to open；
Heating mode：When fluid temperature is higher than environment temperature, the first solenoid valve of hydraulic oil transfer pipeline is closed, hydraulic oil delivery pipe
Road second solenoid valve is opened；When fluid temperature is lower than environment temperature, the first solenoid valve of hydraulic oil transfer pipeline is opened, and hydraulic oil is defeated
Pipeline second solenoid valve is sent to close.
2. a kind of work side of the tubing type industrial constant-temperature machine of the adjustable relief valve hydraulic pressure bypass of band according to claim 1
Method, it is characterised in that the outer end inner wall of inner housing (702) is provided with connection screw thread.
3. a kind of work side of the tubing type industrial constant-temperature machine of the adjustable relief valve hydraulic pressure bypass of band according to claim 1
Method, it is characterised in that hollow out at the outer housing (701) of adjusting nut (706) front and rear surfaces, the outer surface of adjusting nut (706) are set
It is equipped with graduation mark.
4. a kind of work side of the tubing type industrial constant-temperature machine of the adjustable relief valve hydraulic pressure bypass of band according to claim 1
Method, it is characterised in that the internal diameter for separating ring flat-plate (701.3) is consistent with the internal diameter of outer housing fluid passageway (701.1).
5. a kind of work side of the tubing type industrial constant-temperature machine of the adjustable relief valve hydraulic pressure bypass of band according to claim 1
Method, it is characterised in that the outer diameter of spring (704) is matched with the internal diameter of outer housing fluid passageway (701.1).
6. a kind of work side of the tubing type industrial constant-temperature machine of the adjustable relief valve hydraulic pressure bypass of band according to claim 1
Method, it is characterised in that the fluid bore (703.3) is circular layout on piston shell (703.1).
7. a kind of work side of the tubing type industrial constant-temperature machine of the adjustable relief valve hydraulic pressure bypass of band according to claim 1
Method, it is characterised in that fluid bore (703.3) of the partition plate (703.2) per one side is provided with multi-turn.
8. a kind of work side of the tubing type industrial constant-temperature machine of the adjustable relief valve hydraulic pressure bypass of band according to claim 1
Method, it is characterised in that the lateral separation between the fluid bore (703.3) of the fluid bore (703.3) of left end to right end is not more than
The lateral separation of half chamber of Fluid passageways.
9. a kind of work side of the tubing type industrial constant-temperature machine of the adjustable relief valve hydraulic pressure bypass of band according to claim 1
Method, it is characterised in that the left and right ends of piston (703) are provided with the step (703.4) with spring (704) cooperation.
10. a kind of work of the tubing type industrial constant-temperature machine of the adjustable relief valve hydraulic pressure bypass of band according to claim 1
Method, it is characterised in that inner seal ring (708) is provided between the inner segment outer wall of adjusting block (705) and outer housing (701), is adjusted
Exterior seal ring (709) is provided between the outer section inner wall inner housing (702) of block (705).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711216609.2A CN108105215A (en) | 2017-11-28 | 2017-11-28 | The method of work of tubing type industrial constant-temperature machine with the bypass of adjustable relief valve hydraulic pressure |
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| CN201711216609.2A CN108105215A (en) | 2017-11-28 | 2017-11-28 | The method of work of tubing type industrial constant-temperature machine with the bypass of adjustable relief valve hydraulic pressure |
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| CN105972003A (en) * | 2016-06-30 | 2016-09-28 | 江苏金荣森制冷科技有限公司 | Working method for industrial refrigerator for hydraulic bypass with adjustable pressure release valve |
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2017
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08312609A (en) * | 1995-05-22 | 1996-11-26 | Toyooki Kogyo Co Ltd | Hydraulic cylinder with air vent mechanism |
| GB2407624B (en) * | 2003-10-28 | 2007-05-16 | Komatsu Mfg Co Ltd | Hydraulic circuit for hydraulic cylinder |
| CN102928820A (en) * | 2012-10-30 | 2013-02-13 | 江苏兆胜空调有限公司 | Stepless energy regulation method for radar equipment cooling devices |
| CN204881100U (en) * | 2015-07-13 | 2015-12-16 | 潘亚平 | Multi -functional drying and dehumidification device |
| CN105937520A (en) * | 2016-06-30 | 2016-09-14 | 江苏金荣森制冷科技有限公司 | Temperature control hydraulic heat exchange device with adjustable pressure relief valve hydraulic bypass |
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Application publication date: 20180601 |