CN108506284A - Oil cooling machine - Google Patents
Oil cooling machine Download PDFInfo
- Publication number
- CN108506284A CN108506284A CN201810627991.4A CN201810627991A CN108506284A CN 108506284 A CN108506284 A CN 108506284A CN 201810627991 A CN201810627991 A CN 201810627991A CN 108506284 A CN108506284 A CN 108506284A
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- oil
- heat exchanger
- cooling machine
- condenser
- circulating pump
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- 238000001816 cooling Methods 0.000 title claims abstract description 63
- 239000003507 refrigerant Substances 0.000 claims abstract description 34
- 239000002828 fuel tank Substances 0.000 claims abstract description 27
- 230000008859 change Effects 0.000 claims abstract description 4
- 239000003921 oil Substances 0.000 claims description 137
- 239000007788 liquid Substances 0.000 claims description 52
- 238000005057 refrigeration Methods 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 15
- 239000010720 hydraulic oil Substances 0.000 claims description 15
- 238000003780 insertion Methods 0.000 claims description 14
- 230000037431 insertion Effects 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 9
- 239000002826 coolant Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 230000010354 integration Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 230000007246 mechanism Effects 0.000 description 7
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 230000006837 decompression Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000009834 vaporization Methods 0.000 description 4
- 230000008016 vaporization Effects 0.000 description 4
- 239000000284 extract Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000010721 machine oil Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000002173 cutting fluid Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000002627 tracheal intubation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The present invention relates to a kind of oil cooling machines, including cabinet, cabinet is equipped with oil inlet and oil outlet, oil circulating pump, compressor, condenser, plate heat exchanger, accumulator, fan and fuel tank are equipped in cabinet, fan is embedded in the top of the cabinet, side of the fan in cabinet is connected with condenser, oil circulating pump, compressor, condenser, throttle part and it is board-like change formula device and be sequentially connected respectively by refrigerant pipe connect；One end of condenser is connected with compressor, and the other end of condenser is connected by throttle part with one end of plate heat exchanger；The other end of plate heat exchanger is connected with filter, and filter is connected by flowline with the oil outlet, and oil inlet is connected with the fuel tank, and one end of oil circulating pump is connected with fuel tank, and the other end of oil circulating pump is connected with accumulator；Oil circulating pump, accumulator and plate heat exchanger are sequentially connected by oil pipe respectively to be connect；The oil cooling machine is primary cooling and simple in structure and quick, efficient, stablizes.
Description
Technical field
The present invention relates to a kind of mechanical equipment technical fields, are related to a kind of technical field of refrigeration equipment, more particularly to a kind of
Oil cooling machine.
Background technology
In summer, the hydraulic fluid temperature in many hydraulic tests is higher, causes hydraulic system abnormal.At this moment oil will be used
Cold.Oil cooling machine is a kind of refrigeration cool-down equipment of profession；The effect of oil cooling machine is to reduce hydraulic oil (cutting fluid, cooling water
Deng) temperature, to ensure that lathe can be run at normal temperatures, reach improve lathe service life and machinery return work
The purpose of quality level.Oil cooling machine is also Cool oil machine, and according to refrigeration system principle, the liquid refrigerants of low-temp low-pressure is in evaporator
Face and surrounding oil carry out the heat that heat exchange evaporator absorbs oil, flash to the gaseous state of low-temp low-pressure, refrigerant temperature in evaporation process
Spend constant, the gaseous refrigerant of low-temp low-pressure enters compressor, is compressed through compressor, is compressed into the gaseous state of high temperature and pressure, so
Enter condenser afterwards, carries out heat exchange with indoor medium in condenser, the gaseous part heat of high temperature and pressure is by medium
It absorbs, medium temperature increases, and refrigerant heat release becomes medium temperature high-pressure liquid, and condenser process temperature is constant, subsequently into expansion valve
It throttles, throttling is the process to cool down rapidly, and refrigerant becomes the liquid of low-temp low-pressure, and the refrigerant after this process, which enters back into, to be changed
Hot device carries out heat exchange evaporation, and to realize that the whole process of refrigeration system, this cycle are carried out continuously, oil is just able to continuous
It is continuous cooling.
The heat exchange of traditional oil cooling machine, deep fat and refrigerant carries out in irony evaporator, and irony evaporator is to be located at
Outside irony fuel tank, after deep fat is cooling in irony evaporator, it is back in irony fuel tank by pipeline, this set exists
Following disadvantage：1, the refrigerant pipe on irony evaporator and cold oil pipeline, which are easy condensation, condensed water, can so lead to pipe for a long time
The interface of road and irony evaporator gets rusty；2, the heat-proof quality of irony evaporator is poor, causes cooling rate slow；3, cold oil is from iron
When matter evaporator flows back into fuel tank, extraneous heat is inherently absorbed, and the heat-proof quality of irony fuel tank is poor, leads to oil cooling mechanism
Cold effect is poor, and energy consumption is high；4, plus man-hour requirement welded pipe line, procedure of processing on irony evaporator are cumbersome.
Chinese patent literature (application number：201710476300) a kind of oil cooling machine, including fuel tank are disclosed, oil cooling machine also wraps
It includes：There is oil inlet and oil outlet, oil inlet to be connect with fuel tank for oil pump, oil circulating pump；First temperature detector, the inspection of the first temperature
It surveys device to be arranged in fuel tank, and detects the temperature of fuel tank inner fluid；Temperature control part, temperature control part include First Heat Exchanger and
Second heat exchanger, the second heat exchanger are connect by heat transferring medium pipeline with First Heat Exchanger, and First Heat Exchanger is arranged in fuel tank,
Temperature control part is connect with the first temperature detector, and according to the detection temperature of the first temperature detector control the second heat exchanger with
Break-make between First Heat Exchanger.It is good that the oil cooling machine stablizes oil temperature effect.The oil cooling machine uses to be cooled down twice, although reaching
Stablize the effect of oil temperature, but process is complicated.
Therefore, it is necessary to develop, a kind of primary cooling, simple in structure, operation controllability is high, high degree of automation and quickly
The oil cooling machine of efficient stable.
Invention content
The object of the present invention is to provide it is a kind of it is simple in structure, operation controllability is high, high degree of automation and quickly, efficiently,
Stable once cooling oil cooling machine.
In order to solve the above technical problems, the design scheme that the present invention uses is, the oil cooling machine, including cabinet, the cabinet
Be equipped with oil inlet and oil outlet, be equipped in the cabinet oil circulating pump, compressor, condenser, plate heat exchanger, accumulator,
Fan and fuel tank form integration apparatus；The fan is embedded in the top of the cabinet, side of the fan in cabinet
It is connected with condenser, the compressor, condenser, throttle part and the board-like formula device that changes are sequentially connected by refrigerant pipe respectively
It connects；One end of the condenser is connected with the compressor, and the other end of the condenser by throttle part with it is described
One end of plate heat exchanger is connected；The other end of the plate heat exchanger is connected with filter, and the filter passes through fuel-displaced
Pipeline is connected with the oil outlet, and the oil inlet is connected with the fuel tank, one end of the oil circulating pump and the oil
Case is connected, and the other end of the oil circulating pump is connected with the accumulator；The oil circulating pump, accumulator and plate-type heat-exchange
Device is sequentially connected by oil pipe connects respectively；The accumulator is for storing hydraulic oil, redeeming.
Using above-mentioned technical proposal, cooling work is carried out using the evaporation endothermic principle of refrigerant, oil circulating pump is from lathe
Fuel tank extracts in fluid to refrigeration system and carries out heat exchange process, and hydraulic oil after cooling returns to machine through oil cooling machine oil outlet pipe again
In bed fuel tank；In this way, making the oil temperature of whole system continue to decline by the continuous cycle operation of fluid；Hydraulic oil passes through oil inlet
Into fuel tank, pipeline is drawn by oil circulating pump, when system pipeline pressure reaches pressure switch preset value, system starts
Operating executes refrigeration cycle, and using the built-in oil circulating pump type of cooling, oil circulating pump takes out the oil in fuel tank inside oil cooling machine
Go out, the plate-type evaporator for being sent into oil cooling machine through accumulator by pipeline carries out heat exchange；Compressor operating simultaneously, sucking low temperature are low
The refrigerant gas (refrigerant) of pressure is simultaneously compressed into high temperature and high pressure gas, the gas connection evaporator overhead condenser heat release condensation of high temperature and pressure
At the liquid of cryogenic high pressure, wherein condenser is connected with fan, by fan diffusion device because condensation heat generate heat,
Low temperature high pressure gas becomes the liquid coolant of low-temp low-pressure using throttle part decompression, makes into plate heat exchanger heat absorption evaporation
High temperature hydraulic oil cools down.Wherein, accumulator redeeming, it can store 2.5 rise to 20 liters of hydraulic oil, for having a power failure in experience,
It is follow-up to ensure that precise machining equipment is not influenced it by power-off fault etc. for the supply that hydraulic oil is maintained under the emergency cases such as mechanical disorder
Process the machining accuracy of operation；The effect of throttle part is the highly pressurized liquid throttling decompression for making condenser come out, and makes liquid refrigeration
Agent vaporizes heat absorption under low pressure (low temperature), so, it is high pressure that it, which is in maintenance condenser, the important portion that plate heat exchanger is low pressure
Part；Throttle part presses form, can be divided into capillary and throttle valve, the former is used in smaller refrigeration equipment, as filled in refrigerator
Capillary between condenser and evaporator is one kind of throttle mechanism.The latter is used in larger refrigeration equipment.It is big,
The throttle mechanism applied in middle- scale device be throttle valve, there are three types of common throttle valves, i.e., hand expansion valve, flow regulation valve and
Heating power expansion valve, latter two are the throttle valve of automatic adjustment.Expansion valve can be divided into electromagnetic expanding valve and heating power by the type of expansion
Expansion valve etc.；Accumulator can store 2.5 and rise to 20 liters of hydraulic oil, have a power failure suddenly in equipment or the case where the not fuel feeding such as oil pump fault
Under, makeup oil to heat exchanger prevents the generation that heat exchanger ice blocks up problem.
As the preferred technical solution of the present invention, the plate heat exchanger is made of several wavy metal plates, the metal
There are four corner apertures to form four fluid passages on plate, and four fluid passages are respectively used to circulation liquid oil and liquid coolant, institute
The side of plate heat exchanger is stated for the liquid oil that circulates, the other side is used for circulating liquid refrigerant；Gasket is housed on the metallic plate
Piece, for sealing the fluid channel；The metallic plate, which is mounted on a side, to be had in the frame of fixed plate and movable pressure plate,
It is used in combination fishbolt to clamp；The bottom of the plate heat exchanger be equipped with mounting plate, the board-like hot device by mounting plate with it is described
Cabinet is fixed.Plate heat exchanger side is gone rancid, and one sidles liquid coolant.Due to using corrugated metal harden structure, and corrugated metal
Plate has by special designing, is exchanged heat between two kinds of different fluids using shunting and reflux type, thus greatly improves
Heat exchange efficiency makes the refrigerating capacity of refrigeration system be not fully exerted, the hydraulic oil after cooling pass through filter, into equipment end after
Continuous work.
As the preferred technical solution of the present invention, the cabinet is equipped with control panel, and the control panel is equipped with aobvious
Display screen, time controller, adjusts setting button and emergency stop button at several status indicator lamps；The oil outlet is equipped with temperature
Meter, the thermometer includes temperature indicator and temperature sensor, the compressor, the oil circulating pump and the temperature sensing
Meter is electrically connected with the control panel, and the temperature indicator, which is inlayed, to be arranged in the side of the cabinet, and the temperature passes
Sensor is arranged in oil outlet.Oil cooling machine reacts the in due course temperature of fuel tank inner fluid by the temperature sensor of temperature controller.With
Family can need arbitrarily devised control temperature, temperature controller to automatically control cold by temperature sensor according to real work
The work of group ensures that oil temperature is controlled always in normal working range.
As the preferred technical solution of the present invention, the control panel is additionally provided with alarm system, and the alarm system includes
Alarm for high voltage module, high temperature alarm, low pressure alarming and oil quantity alarming；For reminding whether oil cooling machine needs to overhaul in time, in order to avoid
Damage.
The present invention further improvement lies in that, the accumulator is provided with draining pipeline, in overhaul of the equipments by accumulation of energy
The hydraulic oil stored in device drains；It is equipped with pressure gauge between the oil circulating pump and the draining pipeline, for monitoring in pipe
Pressure.Oil circulating pump extracts the oil in fuel tank out inside oil cooling machine, is sent into through pressure gauge, draining pipeline, accumulator by pipeline
The plate-type evaporator of oil cooling machine carries out heat exchange.
The present invention further improvement lies in that, the compressor is also associated with liquid storage device, and the liquid storage device plays storage, gas-liquid
Separation, the effect of the gentle punching cryogen of filtering.Plate heat exchanger can not ensure that refrigerant (refrigerant) can be all in heat transfer process
It completely vaporizes；Gaseous state, liquid refrigerants enter in liquid storage device simultaneously, and liquid coolant is because gravity directly puts off liquid storage device cylinder bottom, vaporization
Refrigerant is then entered by the outlet of liquid storage device participates in refrigeration cycle again in compressor, it is therefore prevented that compressor sucking liquid refrigerant is made
At liquid hammer；Further, since the long-term operating of compressor, inside have certain lubricating oil and be discharged with the refrigerant of vaporization, lead to
It crosses pipeline to enter inside liquid storage device, under the suction of compressor, and enter in compressor, to play profit again to compressor
Sliding protective effect.
The present invention further improvement lies in that, between the oil circulating pump and the draining pipeline be equipped with pressure switch,
When the pipeline pressure of the oil cooling machine system reaches preset value, pressure switch sends out electric signal, makes electrical equipment, executive component
It realizes that sequentially-operating, system start running, executes refrigeration cycle.It is steady outlet pressure to be effectively ensured in the use of pressure switch
It is fixed.
As the preferred technical solution of the present invention, the condenser includes shell, heat exchanger tube and several radiating fins, described
The both sides of shell are respectively equipped with air outlet and air inlet, and the air outlet is set to the side of the fan；Several radiating fins
Piece is evenly arranged in the shell, several intubations for being uniformly distributed and being mutually parallel are respectively equipped on several radiating fins
Kong Lie is located at central part insertion hole row and both sides insertion hole row stagger setting；The heat exchanger tube includes several sequentially connected changes
Hot straight tube, adjacent two heat exchange straight tubes are connected by U-tube, and the heat exchange straight tube is each passed through on the insertion hole row
Insertion hole.
Compared with prior art, beneficial effects of the present invention：Traditional secondary cooling is become primary cooling by the oil cooling machine, real
Show and synchronized primary cooling, having prevents work mechanism from influencing precision because of the variation of oil temperature；Having simultaneously prevents oil because of height
Temperature deterioration, keeps oil viscosity constant, makes work mechanism steady operation；It, can be by specific with automatic fault warning function
Mode reminds user to overhaul device in time, in case parts damage；Oil-temperature control for foundation, is used with organism temperature (room temperature)
Family can set oil temperature according to organism temperature, prevent mechanical structure from generating thermal deformation；The oil cooling machine is simple in structure, operation controllability
High, high degree of automation and efficient, accurate and stabilization, time saving and energy saving, versatility is wide.
Description of the drawings
Fig. 1 is the structural schematic diagram of the oil cooling machine in the present invention；
Fig. 2 is the overlooking structure diagram of the oil cooling machine in Fig. 1 of the present invention；
Fig. 3 is that the oil circuit control in the present invention in oil cooling machine flows to schematic diagram；
Fig. 4 is the refrigerant heat exchanger connection diagram in oil cooling machine in the present invention；
Wherein：1- oil inlets；2- oil outlets；3- oil circulating pumps；4- pressure gauges；5- draining pipelines；6- accumulators；7- is board-like
Heat exchanger；8- filters；9- compressors；10- condensers；11- fans；12- throttle parts；13- thermometers；14- liquid storage devices；
15- pressure switches.
Specific implementation mode
Embodiment：As shown in figures 1-4, the oil cooling machine, including cabinet, the cabinet are equipped with oil inlet 1 and oil outlet 2,
Oil circulating pump 3, compressor 9, condenser 10, plate heat exchanger 7, accumulator 6, fan 11 and fuel tank, shape are equipped in the cabinet
Integralization equipment；The fan 11 is embedded in the top of the cabinet, and side of the fan 11 in cabinet is connected with cold
Condenser 10, the oil circulating pump 3, compressor 9, condenser 10, throttle part 12 and the board-like formula device 7 that changes pass through refrigerant pipe respectively
It is sequentially connected and connects；One end of the condenser 10 is connected with the compressor 9, and the other end of the condenser 10 passes through section
Stream unit 12 is connected with one end of the plate heat exchanger 7；The other end of the plate heat exchanger 7 is connected with filter 8, institute
It states filter 8 by flowline to be connected with the oil outlet 2, the oil inlet 1 is connected with the fuel tank, the cycle
One end of oil pump 3 is connected with the fuel tank, and the other end of the oil circulating pump 3 is connected with the accumulator 6；The cycle
Oil pump 3, accumulator 6 and plate heat exchanger 7 are sequentially connected by oil pipe connect respectively；The accumulator 6 rises for storing hydraulic oil
Compensating action；The effect of throttle part 12 is the highly pressurized liquid throttling decompression for making condenser 10 come out, and makes liquid refrigerant low
It presses and vaporizes heat absorption under (low temperature), so, it is to maintain in condenser 10 to be high pressure, the important component that plate heat exchanger 7 is low pressure；
Throttle part 12 presses form, can be divided into capillary and throttle valve, the former is used in smaller refrigeration equipment, as being mounted in refrigerator
Capillary between condenser and evaporator is one kind of throttle mechanism.The latter is used in larger refrigeration equipment.Big or middle
The throttle mechanism applied in type device is throttle valve, and there are three types of common throttle valves, i.e. hand expansion valve, flow regulation valve and heat
Power expansion valve, latter two are the throttle valve of automatic adjustment；Expansion valve can be divided into electromagnetic expanding valve by the type of expansion and heating power is swollen
Swollen valve etc.；The plate heat exchanger 7 is made of several wavy metal plates, and there are four corner apertures to form four liquid on the metallic plate
Channel, four fluid passages are respectively used to circulation liquid oil and liquid coolant, and the side of the plate heat exchanger 7 is for circulating
Liquid oil, the other side are used for circulating liquid refrigerant；Gasket seal is housed, for sealing the fluid channel on the metallic plate；Institute
Stating metallic plate has mounted on a side in the frame of fixed plate and movable pressure plate, and fishbolt is used in combination to clamp；It is described board-like
The bottom of heat exchanger 7 is equipped with mounting plate, and the board-like hot device 7 is fixed by mounting plate and the cabinet；7 side of plate heat exchanger
Go rancid, one sidles liquid coolant；Due to using corrugated metal harden structure, using shunting and reflux type between two kinds of different fluids
It exchanges heat, thus greatly improves heat exchange efficiency, the refrigerating capacity of refrigeration system is made to be not fully exerted；Hydraulic pressure after cooling
Oil passes through filter 8, then is extracted out into equipment end and work on by oil circulating pump 3；The cabinet is equipped with control panel, described
Control panel is equipped with display screen, several status indicator lamps, time controller, adjusts setting button and emergency stop button；It is described
Oil outlet is equipped with thermometer, and the thermometer 13 includes temperature indicator and temperature sensor, the compressor, the cycle
Oil pump and the temperature sensing meter 13 are electrically connected with the control panel, and the temperature indicator, which is inlayed, to be arranged in the machine
The side of case, the temperature sensor are arranged in oil outlet；The control panel is additionally provided with alarm system, the alarm system packet
Include alarm for high voltage module, high temperature alarm, low pressure alarming and oil quantity alarming；For reminding whether oil cooling machine needs to overhaul in time, with
Exempt to damage；The accumulator 6 is provided with draining pipeline 5, for arranging the hydraulic oil stored in accumulator 6 in overhaul of the equipments
To the greatest extent；It is equipped with pressure gauge 4 between the oil circulating pump 3 and the draining pipeline 5, for monitoring overpressure；Inside oil cooling machine
Oil circulating pump 3 extracts the oil in fuel tank out, and the board-like of oil cooling machine is sent into through pressure gauge 4, draining pipeline 5, accumulator 6 by pipeline
Evaporator 7 carries out heat exchange；The compressor 9 is also associated with liquid storage device 14, and the liquid storage device plays storage, gas-liquid separation, mistake
The effect plate heat exchanger of the gentle punching cryogen of filter can not ensure that refrigerant (refrigerant) can be completely vaporized all in heat transfer process；
Gaseous state, liquid refrigerants enter in liquid storage device simultaneously, and liquid coolant is because gravity directly puts off liquid storage device cylinder bottom, and vaporization refrigerant is then by storing up
The outlet of liquid device enters participates in refrigeration cycle again in compressor, it is therefore prevented that compressor sucking liquid refrigerant causes liquid hammer；This
Outside, due to the long-term operating of compressor, inside have certain lubricating oil and be discharged with the refrigerant of vaporization, entered by pipeline
Inside liquid storage device, under the suction of compressor, and enter in compressor, to play lubrication protection work again to compressor
With.It is equipped with pressure switch 15 between the oil circulating pump 3 and the draining pipeline 5；When the pipeline pressure of the oil cooling machine system
When power reaches preset value, pressure switch 15 sends out electric signal, and electrical equipment, executive component is made to realize that sequentially-operating, system are opened
Begin to operate, executes refrigeration cycle；Outlet pressure stabilization can be effectively ensured in the use of pressure switch 15；The condenser 10 wraps
Shell, heat exchanger tube and several radiating fins are included, the both sides of the shell are respectively equipped with air outlet and air inlet, and the air outlet is set
In the side of the fan；Several radiating fins are evenly arranged in the shell, on several radiating fins respectively
The insertion hole row for being uniformly distributed and being mutually parallel equipped with several are staggered with both sides insertion hole row positioned at central part insertion hole row and set
It sets；The heat exchanger tube includes several sequentially connected heat exchange straight tubes, and adjacent two heat exchange straight tubes are connected by U-tube,
The heat exchange straight tube is each passed through the insertion hole on the insertion hole row.
Operation principle：Using 3 type of cooling of built-in oil circulating pump and built-in oil-tank, oil circulating pump 3 will be oily inside oil cooling machine
Oil extraction in case, the plate-type evaporator 7 for being sent into oil cooling machine through accumulator 6 by pipeline carry out heat exchange；9 work of compressor simultaneously
Make, sucks the refrigerant gas (refrigerant) of low-temp low-pressure and be compressed into high temperature and high pressure gas, the gas connection top of high temperature and pressure
10 heat release of condenser condenses into the liquid of cryogenic high pressure, and wherein condenser 10 is connected with fan 11, by 11 diffusion device of fan
The middle heat generated by condensation heat, the liquid that low temperature high pressure gas becomes low-temp low-pressure using the decompression of throttle part 12 are cold
Matchmaker makes high temperature hydraulic oil cool down into the heat absorption evaporation of plate heat exchanger 7.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical solution and advantageous effect
Describe in detail it is bright, it is all at this it should be understood that above is only a specific embodiment of the present invention, be not intended to restrict the invention
Within the spirit and principle of invention, any modification, equivalent substitution, improvement and etc. done, such as some component shape or material
Change；It should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of oil cooling machine, including cabinet, which is characterized in that the cabinet is equipped with oil inlet and oil outlet, in the cabinet
Equipped with oil circulating pump, compressor, condenser, plate heat exchanger, accumulator, fan and fuel tank, integration apparatus is formed；The wind
Fan is embedded in the top of the cabinet, and side of the fan in cabinet is connected with condenser, the compressor, condenser,
Throttle part and it is board-like change formula device and be sequentially connected respectively by refrigerant pipe connect；One end of the condenser and the compressor phase
Connection, and the other end of the condenser is connected by throttle part with one end of the plate heat exchanger；It is described board-like to change
The other end of hot device is connected with filter, and the filter is connected by flowline with the oil outlet, the oil inlet
It is connected with the fuel tank, one end of the oil circulating pump is connected with the fuel tank, the other end of the oil circulating pump and institute
Accumulator is stated to be connected；The oil circulating pump, accumulator and plate heat exchanger are sequentially connected by oil pipe respectively to be connect；The accumulation of energy
Device is for storing hydraulic oil, redeeming.
2. oil cooling machine according to claim 1, which is characterized in that the plate heat exchanger is by several corrugated metal board groups
At, on the metallic plate there are four corner apertures formed four fluid passages, four fluid passages be respectively used to circulation liquid oil and
Liquid coolant, for the liquid oil that circulates, the other side is used for circulating liquid refrigerant for the side of the plate heat exchanger；On the metallic plate
Equipped with gasket seal, for sealing the fluid channel；The metallic plate, which is mounted on a side, has fixed plate and activity to compress
In the frame of plate, fishbolt is used in combination to clamp.
3. oil cooling machine according to claim 1, which is characterized in that the cabinet is equipped with control panel, the control plane
Plate is equipped with display screen, several status indicator lamps, time controller, adjusts setting button and emergency stop button；The oil outlet
It is equipped with thermometer, the thermometer includes temperature indicator and temperature sensor, the compressor, the oil circulating pump and institute
Temperature sensing meter to be stated to be electrically connected with the control panel, the temperature indicator, which is inlayed, to be arranged in the side of the cabinet,
The temperature sensor is arranged in oil outlet.
4. oil cooling machine according to claim 2, which is characterized in that the control panel is additionally provided with alarm system, the report
Alert system includes alarm for high voltage module, high temperature alarm, low pressure alarming and oil quantity alarming；For reminding whether oil cooling machine needs in time
Maintenance, in order to avoid damage.
5. oil cooling machine according to claim 3, which is characterized in that the accumulator is provided with draining pipeline, for setting
The hydraulic oil stored in accumulator is drained when standby maintenance；It is equipped with pressure between the oil circulating pump and the draining pipeline
Table, for monitoring overpressure.
6. oil cooling machine according to claim 4, which is characterized in that the compressor is also associated with liquid storage device, the liquid storage
Device plays the role of storage, gas-liquid separation, the gentle punching cryogen of filtering.
7. oil cooling machine according to claim 5, which is characterized in that setting between the oil circulating pump and the draining pipeline
There is pressure switch；When the pipeline pressure of the oil cooling machine system reaches preset value, pressure switch sends out electric signal, makes electrical
Element, executive component realize that sequentially-operating, system start running, and execute refrigeration cycle.
8. oil cooling machine according to claim 5, which is characterized in that the condenser include shell, heat exchanger tube and it is several dissipate
The both sides of hot fin, the shell are respectively equipped with air outlet and air inlet, and the air outlet is set to the side of the fan；It is several
The radiating fin is evenly arranged in the shell, several are respectively equipped on several radiating fins and is uniformly distributed and mutually
Parallel insertion hole row, are located at central part insertion hole row and both sides insertion hole row stagger setting；The heat exchanger tube include it is several according to
The heat exchange straight tube of secondary connection, adjacent two heat exchange straight tubes are connected by U-tube, and the heat exchange straight tube is each passed through described
Insertion hole on insertion hole row.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810627991.4A CN108506284A (en) | 2018-06-19 | 2018-06-19 | Oil cooling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810627991.4A CN108506284A (en) | 2018-06-19 | 2018-06-19 | Oil cooling machine |
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| CN108506284A true CN108506284A (en) | 2018-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810627991.4A Pending CN108506284A (en) | 2018-06-19 | 2018-06-19 | Oil cooling machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110840290A (en) * | 2019-11-28 | 2020-02-28 | 广东豹鼎厨具设备有限公司 | Frying pan with one-key temperature setting |
| CN111219902A (en) * | 2020-03-16 | 2020-06-02 | 东莞市博思特数控机械有限公司 | Industrial oil cooling machine |
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| CN204584865U (en) * | 2015-02-02 | 2015-08-26 | 三河市同飞制冷设备有限公司 | Adopt the low energy consumption oil cooling unit of the pre-cold-peace extraction cycle of oil temperature |
| CN106050818A (en) * | 2016-07-21 | 2016-10-26 | 湖北泰和电气有限公司 | Hydraulic oil cooling device |
| CN107240485A (en) * | 2017-08-07 | 2017-10-10 | 无锡威凯得精密机械有限公司 | Transformer oil cooling system |
| CN208417137U (en) * | 2018-06-19 | 2019-01-22 | 江阴市润之源机械有限公司 | Oil cooling machine |
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| CN204584865U (en) * | 2015-02-02 | 2015-08-26 | 三河市同飞制冷设备有限公司 | Adopt the low energy consumption oil cooling unit of the pre-cold-peace extraction cycle of oil temperature |
| CN106050818A (en) * | 2016-07-21 | 2016-10-26 | 湖北泰和电气有限公司 | Hydraulic oil cooling device |
| CN107240485A (en) * | 2017-08-07 | 2017-10-10 | 无锡威凯得精密机械有限公司 | Transformer oil cooling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110840290A (en) * | 2019-11-28 | 2020-02-28 | 广东豹鼎厨具设备有限公司 | Frying pan with one-key temperature setting |
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