CN208417137U - Oil cooling machine - Google Patents
Oil cooling machine Download PDFInfo
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- CN208417137U CN208417137U CN201820940729.0U CN201820940729U CN208417137U CN 208417137 U CN208417137 U CN 208417137U CN 201820940729 U CN201820940729 U CN 201820940729U CN 208417137 U CN208417137 U CN 208417137U
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- cooling machine
- heat exchanger
- circulating pump
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Abstract
The utility model 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 pass through refrigerant pipe respectively and be sequentially connected 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, which pass through oil pipe respectively and be sequentially connected, to be connect；The oil cooling machine is once cooling, and structure is simple and quick, efficient, stable.
Description
Technical field
The present invention relates to a kind of mechanical equipment technical field, it is related to a kind of technical field of refrigeration equipment, more particularly to a kind of
Oil cooling machine.
Background technique
In summer, the hydraulic fluid temperature in many hydraulic devices 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 reach the service life for improving lathe and mechanical return work to guarantee that lathe can be run at normal temperatures
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, through compressor compresses, 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, to realize the whole process of refrigeration system, this circulation is carried out continuously, and oil is just able to continuous
It is continuous cooling.
The heat exchange of traditional oil cooling machine, hot oil and refrigerant is carried out in irony evaporator, and irony evaporator is to be located at
Outside irony fuel tank, after hot oil 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, so will 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 machine system
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.
(application number: 201710476300) disclosing a kind of oil cooling machine, including fuel tank to Chinese patent literature, and oil cooling machine also wraps
Include: oil pump, oil circulating pump have oil inlet and oil outlet, and oil inlet is connect with fuel tank；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
On-off between First Heat Exchanger.It is good that the oil cooling machine stablizes oil temperature effect.The oil cooling machine is used and is 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, structure is simple, operation controllability is high, high degree of automation and quickly
The oil cooling machine of efficient stable.
Summary of the invention
That the object of the present invention is to provide a kind of structures is simple, 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, which passes through oil pipe respectively and is sequentially connected, to be connect；The accumulator is for storing hydraulic oil, redeeming.
By adopting the above technical scheme, cooling work is carried out using the evaporation endothermic principle of refrigerant, oil circulating pump is from lathe
Fuel tank extracts oil liquid and carries out heat exchange process into refrigeration system, and hydraulic oil after cooling returns to machine through oil cooling machine oil outlet pipe again
In bed fuel tank；In this way, continuing to decline the oil temperature of whole system by the continuous cycle operation of oil liquid；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
Out, heat exchange is carried out by the plate-type evaporator that pipeline is sent into oil cooling machine through accumulator；Compressor operating simultaneously, sucking low temperature are low
The refrigerant gas (refrigerant) of pressure is simultaneously compressed into high temperature and high pressure gas, and the gas connection evaporator overhead condenser heat release of high temperature and pressure is solidifying
Form the liquid of cryogenic high pressure, wherein condenser is connected with fan, by fan diffusion device because condensation heat generate heat
Amount, low temperature high pressure gas become the liquid coolant of low-temp low-pressure using throttle part decompression, absorb heat and steam into plate heat exchanger
Hair keeps high temperature hydraulic oil cooling.Wherein, accumulator redeeming, it can store 2.5 rise to 20 liters of hydraulic oil, for stopping in experience
The supply that hydraulic oil is maintained under the emergency cases such as electricity, mechanical disorder guarantees that precise machining equipment is not influenced it by power-off fault etc.
The machining accuracy of following process operation；The effect of throttle part is the highly pressurized liquid throttling decompression for coming out condenser, makes liquid
Refrigerant vaporizes heat absorption under low pressure (low temperature), so, it is to maintain in condenser to be high pressure, the weight that plate heat exchanger is low pressure
Want component；Throttle part presses form, can be divided into capillary and throttle valve, the former is used in lesser refrigeration equipment, such as refrigerator
In mounted in capillary between condenser and evaporator be throttle mechanism one kind.The latter is used in biggish refrigeration equipment.
The throttle mechanism applied in large and medium-sized device is throttle valve, and there are three types of common throttle valves, i.e. hand expansion valve, floating ball tune
Valve and heating power expansion valve are saved, latter two is the throttle valve of automatic adjustment.Expansion valve can be divided into electromagnetic expanding valve by the type of expansion
With heating power expansion valve etc.；Accumulator can store 2.5 and rise to 20 liters of hydraulic oil, have a power failure suddenly or the not fuel feeding such as oil pump fault in equipment
In the case of, makeup oil to heat exchanger, prevention heat exchanger ice blocks up the generation of 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 metal plate
Piece, for sealing the fluid passage；The metal plate, which is mounted on a side, to be had in the frame of fixed plate and movable pressure plate,
And it is clamped with fishbolt；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 wavy metal plate 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 inlays the side that the cabinet is arranged in, 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 according to real work, and temperature controller automatically controls cold by temperature sensor
The work of group guarantees 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 by pipeline through pressure gauge, draining pipeline, accumulator
The plate-type evaporator of oil cooling machine carries out heat exchange.
The present invention further improvement lies in that, the compressor is also connected with liquid storage device, and the liquid storage device plays storage, gas-liquid
Separation, the effect for filtering gentle punching cryogen.Plate heat exchanger not can guarantee refrigerant (refrigerant) in heat transfer process can be all
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 issues electric signal, makes electrical component, executive component
Realize sequentially-operating, system starts running, and 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 two 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 parallel to each other are respectively equipped on several radiating fins
Kong Lie is arranged in a staggered manner positioned at central part insertion hole column and two sides insertion hole column；The heat exchanger tube includes several sequentially connected changes
Hot straight tube, the heat exchange straight tube of adjacent two are connected by U-tube, and the heat exchange straight tube is each passed through on the insertion hole column
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 structure is simple, operation controllability
High, high degree of automation and efficient, accurate and stabilization, time saving and energy saving, versatility is wide.
Detailed description of the invention
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 schematic diagram in the present invention in oil cooling machine；
Wherein: 1- oil inlet；2- oil outlet；3- oil circulating pump；4- pressure gauge；5- draining pipeline；6- accumulator；7- plate
Formula heat exchanger；8- filter；9- compressor；10- condenser；11- fan；12- throttle part；13- thermometer；14- liquid storage
Device；15- pressure switch.
Specific embodiment
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, the cabinet is interior to be equipped with oil circulating pump 3, compressor 9, condenser 10, plate heat exchanger 7, accumulator 6, fan 11 and fuel tank,
Form integration apparatus；The fan 11 is embedded in the top of the cabinet, and side of the fan 11 in cabinet is connected with
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
Road, which is sequentially connected, to be connect；One end of the condenser 10 is connected with the compressor 9, and the other end of the condenser 10 passes through
Throttle part 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, the filter 8 is connected by flowline with the oil outlet 2, and the oil inlet 1 is connected with the fuel tank, described
One end of oil circulating pump 3 is connected with the fuel tank, and the other end of the oil circulating pump 3 is connected with the accumulator 6；It is described
Oil circulating pump 3, accumulator 6 and plate heat exchanger 7 are sequentially connected by oil pipe connect respectively；The accumulator 6 is hydraulic for storing
Oil, redeeming；The effect of throttle part 12 is the highly pressurized liquid throttling decompression for coming out condenser 10, makes liquid refrigerant
Heat absorption is vaporized under low pressure (low temperature), so, it is high pressure that it, which is in maintenance condenser 10, plate heat exchanger 7 is the important of low pressure
Component；Throttle part 12 presses form, can be divided into capillary and throttle valve, the former is used in lesser refrigeration equipment, such as refrigerator
In mounted in capillary between condenser and evaporator be throttle mechanism one kind.The latter is used in biggish refrigeration equipment.
The throttle mechanism applied in large and medium-sized device is throttle valve, and there are three types of common throttle valves, i.e. hand expansion valve, floating ball tune
Valve and heating power expansion valve are saved, latter two is the throttle valve of automatic adjustment；Expansion valve can be divided into electromagnetic expanding valve by the type of expansion
With heating power expansion valve etc.；The plate heat exchanger 7 is made of several wavy metal plates, is formed on the metal plate there are four corner apertures
Four fluid passages, four fluid passages are respectively used to circulation liquid oil and liquid coolant, the side of the plate heat exchanger 7
For the liquid oil that circulates, the other side is used for circulating liquid refrigerant；Gasket seal is housed, for sealing the liquid on the metal plate
Channel；The metal plate, which is mounted on a side, to be had in the frame of fixed plate and movable pressure plate, and is clamped with fishbolt；Institute
The bottom for stating plate heat exchanger 7 is equipped with mounting plate, and the board-like hot device 7 is fixed by mounting plate and the cabinet；Plate-type heat-exchange
7 side of device is gone rancid, and one sidles liquid coolant；Due to use wavy metal plate structure, using shunt and reflux type at two kinds not
It exchanges heat between fluid, thus greatly improves heat exchange efficiency, the refrigerating capacity of refrigeration system is made to be not fully exerted；Cooling
Hydraulic oil afterwards passes through filter 8, then is extracted out by oil circulating pump 3 into equipment end and work on；The cabinet is equipped with control
Panel, the control panel are equipped with display screen, several status indicator lamps, time controller, adjust setting button and emergency braking
Button；The oil outlet is equipped with thermometer, and the thermometer 13 includes temperature indicator and temperature sensor, the compression
Machine, the oil circulating pump and the temperature sensing meter 13 are electrically connected with the control panel, and the temperature indicator is inlayed
The side of the cabinet is set, and the temperature sensor is arranged in oil outlet；The control panel is additionally provided with alarm system, institute
Stating alarm system includes alarm for high voltage module, high temperature alarm, low pressure alarming and oil quantity alarming；For whether reminding oil cooling machine in time
It needs to overhaul, in order to avoid damage；The accumulator 6 is provided with draining pipeline 5, for will store in accumulator 6 in overhaul of the equipments
Hydraulic oil drain；It is equipped with pressure gauge 4 between the oil circulating pump 3 and the draining pipeline 5, for monitoring overpressure；
Oil circulating pump 3 extracts the oil in fuel tank out inside oil cooling machine, is sent by pipeline through pressure gauge 4, draining pipeline 5, accumulator 6
The plate-type evaporator 7 of oil cooling machine carries out heat exchange；The compressor 9 is also connected with liquid storage device 14, the liquid storage device play storage,
It is complete that gas-liquid separation, the effect plate heat exchanger for filtering gentle punching cryogen not can guarantee refrigerant (refrigerant) energy in heat transfer process
Portion completely vaporizes；Gaseous state, liquid refrigerants enter in liquid storage device simultaneously, and liquid coolant directly puts off liquid storage device cylinder bottom, vapour because of gravity
Change refrigerant is then entered by the outlet of liquid storage device participates in refrigeration cycle again in compressor, it is therefore prevented that compressor sucks liquid refrigerant
Cause liquid hammer；Further, since the long-term operating of compressor, inside have certain lubricating oil and be discharged with the refrigerant of vaporization,
Entered inside liquid storage device by pipeline, under the suction of compressor, and is entered in compressor, to be played to compressor again
Lubrication protection effect.Pressure switch 15 is equipped between the oil circulating pump 3 and the draining pipeline 5；When the oil cooling machine system
When the pipeline pressure of system reaches preset value, pressure switch 15 issues electric signal, keeps electrical component, executive component realization sequence dynamic
Make, system starts running, and executes refrigeration cycle；The use of pressure switch 15 can be effectively ensured outlet pressure and stablize；It is described cold
Condenser 10 includes shell, heat exchanger tube and several radiating fins, and the two sides of the shell are respectively equipped with air outlet and air inlet, described
Air outlet is set to the side of the fan；Several radiating fins are evenly arranged in the shell, several radiating fins
On piece is respectively equipped with several insertion hole column for being uniformly distributed and being parallel to each other, and is located at central part insertion hole column and arranges with two sides insertion hole
It is arranged in a staggered manner；The heat exchanger tube includes several sequentially connected heat exchange straight tubes, and the heat exchange straight tube of adjacent two passes through U-tube
Connection, the heat exchange straight tube are each passed through the insertion hole on the insertion hole column.
Working principle: built-in 3 type of cooling of oil circulating pump and built-in oil-tank are used, oil circulating pump 3 will be oily inside oil cooling machine
Oil extraction in case carries out heat exchange by the plate-type evaporator 7 that pipeline is sent into oil cooling machine through accumulator 6；9 work of compressor simultaneously
Make, suck the refrigerant gas (refrigerant) of low-temp low-pressure and be compressed into high temperature and high pressure gas, the gas of high temperature and pressure connects top
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, low temperature high pressure gas are cold using the liquid that the decompression of throttle part 12 becomes low-temp low-pressure
Matchmaker keeps high temperature hydraulic oil cooling 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 scheme and beneficial effects
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 pass through refrigerant pipe respectively and be sequentially connected 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, which pass through oil pipe respectively and be sequentially connected, 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 metal 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 metal plate
Equipped with gasket seal, for sealing the fluid passage；The metal plate, which is mounted on a side, has fixed plate and activity to compress
In the frame of plate, and clamped with fishbolt.
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 inlays the side that the cabinet is arranged in,
The temperature sensor is arranged in oil outlet.
4. oil cooling machine according to claim 3, 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；Pressure is equipped 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 connected with liquid storage device, the liquid storage
Device plays the role of storage, gas-liquid separation, filters gentle punching cryogen.
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 issues electric signal, makes electrical
Element, executive component realize sequentially-operating, and system starts 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
Hot fin, the two sides of 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 column, are arranged in a staggered manner positioned at central part insertion hole column and two sides insertion hole column；The heat exchanger tube include it is several according to
The heat exchange straight tube of secondary connection, the heat exchange straight tube of adjacent two are connected by U-tube, and the heat exchange straight tube is each passed through described
Insertion hole on insertion hole column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820940729.0U CN208417137U (en) | 2018-06-19 | 2018-06-19 | Oil cooling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820940729.0U CN208417137U (en) | 2018-06-19 | 2018-06-19 | Oil cooling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208417137U true CN208417137U (en) | 2019-01-22 |
Family
ID=65109041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820940729.0U Active CN208417137U (en) | 2018-06-19 | 2018-06-19 | Oil cooling machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506284A (en) * | 2018-06-19 | 2018-09-07 | 江阴市润之源机械有限公司 | Oil cooling machine |
| DE102020206173B3 (en) | 2020-05-15 | 2021-10-28 | Robert Bosch Gesellschaft mit beschränkter Haftung | Hydraulic oil cooler |
-
2018
- 2018-06-19 CN CN201820940729.0U patent/CN208417137U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506284A (en) * | 2018-06-19 | 2018-09-07 | 江阴市润之源机械有限公司 | Oil cooling machine |
| DE102020206173B3 (en) | 2020-05-15 | 2021-10-28 | Robert Bosch Gesellschaft mit beschränkter Haftung | Hydraulic oil cooler |
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