CN107269598A - oil cooler - Google Patents
oil cooler Download PDFInfo
- Publication number
- CN107269598A CN107269598A CN201710476300.0A CN201710476300A CN107269598A CN 107269598 A CN107269598 A CN 107269598A CN 201710476300 A CN201710476300 A CN 201710476300A CN 107269598 A CN107269598 A CN 107269598A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- oil
- heat
- temperature
- cooling machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001816 cooling Methods 0.000 claims abstract description 54
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 239000002828 fuel tank Substances 0.000 claims description 29
- 239000012530 fluid Substances 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 18
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 102
- 239000010720 hydraulic oil Substances 0.000 description 18
- 239000003507 refrigerant Substances 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 239000002173 cutting fluid Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/62—Cooling or heating means
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention provides an oil cooling machine. The oil cooling machine according to the present invention includes an oil tank, and the oil cooling machine further includes: the oil pump is provided with an oil inlet and an oil outlet, and the oil inlet is connected with the oil tank; the first temperature detector is arranged in the oil tank and is used for detecting the temperature of oil in the oil tank; the temperature control part comprises a first heat exchanger and a second heat exchanger, the second heat exchanger is connected with the first heat exchanger through a heat exchange medium pipeline, the first heat exchanger is arranged in the oil tank, the temperature control part is connected with the first temperature detector, and the on-off between the second heat exchanger and the first heat exchanger is controlled according to the detection temperature of the first temperature detector. The oil cooler has good oil temperature stabilizing effect.
Description
Technical field
The present invention relates to temperature control equipment field, in particular to a kind of oil cooling machine.
Background technology
Oil cooling machine effect is to reduce the temperature of machine hydraulic oil (cutting fluid, cooling water etc.), so as to ensure that lathe can be
Run under normal temperature, reach the purpose of the service life and mechanical processing quality level that improve lathe.
Under cold ambient conditions, machine tool hydraulic oil viscosity becomes big, the operation if oil cooling machine is started shooting in this case,
The oil pump being easily caused in oil cooling machine burns.At this time, it may be necessary to which oil cooling machine opens assisted heat pump heating system, by machine hydraulic oil
Temperature, which is brought up to, allows the temperature value of start.
When the temperature of hydraulic oil is far below the target oil temperature that lathe needs, it is necessary to open assisted heat pump system to hydraulic oil
Heated, hydraulic fluid temperature is risen near desired value, so as to reduce the regulating time of oil cooling machine.
Hydraulic oil is heated using electrically heated mode more than prior art, if electrical heating selection of small, in oil temperature
In the case of low-down, it is very slow, it is necessary to the more time be waited, if electrical heating power is selected that hydraulic oil heating rate becomes
It is larger, oil temperature being easily caused again change being fluctuated near setting value greatly, oil temperature regulating effect is bad.
The content of the invention
The present invention is intended to provide a kind of can stablize the oil cooling machine of oil temperature.
The invention provides a kind of oil cooling machine, it includes fuel tank, and oil cooling machine also includes：Oil pump, oil pump have oil inlet and
Oil-out, oil inlet is connected with fuel tank；First temperature detector, the first temperature detector is arranged in fuel tank, and detects fuel tank
The temperature of inner fluid；Temperature control part, temperature control part includes First Heat Exchanger and the second heat exchanger, and the second heat exchanger is by changing
Heat medium pipeline is connected with First Heat Exchanger, and First Heat Exchanger is arranged in fuel tank, temperature control part and the first temperature detector
Connection, and the break-make between the second heat exchanger and First Heat Exchanger is controlled according to the detection temperature of the first temperature detector.
Alternatively, temperature control part also includes the 3rd heat exchanger, and the 3rd heat exchanger is changed by heat transferring medium pipeline with second
Hot device connection, the oil-out of oil pump is connected by pipeline with the 3rd heat exchanger.
Alternatively, when oil pump stops, if detection temperature is less than oil temperature is started, the second heat exchanger and first is controlled to exchange heat
Device is connected, and the second heat exchanger absorbs heat, First Heat Exchanger heat release.
Alternatively, when operation of oil pump, if oil cooling machine setting value subtracts detection temperature more than or equal to the first setting value,
The second heat exchanger is controlled to be connected with First Heat Exchanger, and the second heat exchanger absorbs heat, First Heat Exchanger heat release.
Alternatively, oil cooling machine also includes second temperature detector, and second temperature detector is arranged on the oil of the 3rd heat exchanger
Liquid exit, and the oil liquid temperature in fluid exit is detected, when operation of oil pump, if oil liquid temperature is higher than target oil temperature, the
Two heat exchangers are connected with the 3rd heat exchanger, and the second heat exchanger heat release, the heat absorption of the 3rd heat exchanger.
Alternatively, the first connector of the second heat exchanger connects by the first of the first heat transferring medium pipeline and First Heat Exchanger
Interface is connected, and check valve is provided with the first heat transferring medium pipeline.
Alternatively, the first connector of the second heat exchanger connects by the first of the second heat transferring medium pipeline and the 3rd heat exchanger
Interface is connected, and the first control valve of the second heat transferring medium pipeline break-make of control is provided with the second heat transferring medium pipeline.
Alternatively, electric expansion valve is additionally provided with the first heat transferring medium pipeline, the second heat transferring medium pipeline is changed first
Link position in heat medium pipeline is between electric expansion valve and check valve.
Alternatively, when the second heat exchanger is connected with First Heat Exchanger, the first control valve is closed.
Alternatively, the second heat exchanger also includes radiator fan.
According to the oil cooling machine of the present invention, the oil cooling machine detects the oil liquid temperature in fuel tank, temperature by the first temperature detector
Degree control unit is provided with First Heat Exchanger in fuel tank, and the fluid in fuel tank is carried out by First Heat Exchanger and the second heat exchanger
Temperature control, trip temperature is entered by the 3rd heat exchanger and the second heat exchanger to the fluid by the 3rd heat exchanger flowed out from oil pump
Control, so that oil liquid temperature meets demand, the oil liquid temperature for exporting oil cooling machine while protection oil pump is suitable.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of the oil cooling machine according to the present invention.
Description of reference numerals：
10th, oil pump；20th, fuel tank；30th, First Heat Exchanger；40th, the second heat exchanger；41st, radiator fan；50th, the 3rd heat exchange
Device；51st, the first heat transferring medium pipeline；52nd, check valve；53rd, the second heat transferring medium pipeline；54th, the first control valve；55th, electronics is swollen
Swollen valve；60th, compressor；70th, lathe.
Embodiment
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in figure 1, embodiments in accordance with the present invention, oil cooling machine include fuel tank 20, oil pump 10, the first temperature detector and
Temperature control part.Wherein, oil pump 10 has oil inlet and oil-out, and oil inlet is connected with fuel tank 20.First temperature detector is set
Put in fuel tank 20, and detect the temperature of the inner fluid of fuel tank 20.Temperature control part includes the heat exchanger of First Heat Exchanger 30 and second
40, the second heat exchanger 40 is connected by heat transferring medium pipeline with First Heat Exchanger 30, and First Heat Exchanger 30 is arranged in fuel tank 20,
Temperature control part is connected with the first temperature detector, and controls the second heat exchanger 40 according to the detection temperature of the first temperature detector
With the break-make between First Heat Exchanger 30.The oil cooling machine detects the oil liquid temperature in fuel tank 20, temperature by the first temperature detector
Degree control unit is provided with First Heat Exchanger 30 in fuel tank 20, by the heat exchanger 40 of First Heat Exchanger 30 and second in fuel tank 20
Fluid carry out temperature control so that oil liquid temperature meets demand, the fluid temperature that oil cooling machine is exported is made while protection oil pump 10
Degree is suitable.
Alternatively, the oil cooling machine can also include the 3rd heat exchanger 50, the second heat exchanger 40 by heat transferring medium pipeline with
3rd heat exchanger 50 is connected, and the oil-out of oil pump 10 is connected by pipeline with the 3rd heat exchanger 50.Pass through the He of the 3rd heat exchanger 50
The fluid by the 3rd heat exchanger 50 that second 40 pairs of heat exchanger flows out from oil pump 10 carries out temperature control,
Oil cooling machine is a kind of device of the temperature for the hydraulic oil (cutting fluid, cooling water etc.) for reducing lathe 70.It is used to protect
Card lathe 70 can be run at a normal temperature, reach the mesh of the service life and mechanical processing quality level that improve lathe 70
's.Under cold ambient conditions, the hydraulic oil viscosity of lathe 70 becomes big, the operation if oil cooling machine is started shooting in this case,
Because hydraulic oil viscosity is big, the workload of oil pump 10 is big, and the oil pump 10 being easily caused in oil cooling machine burns.Under the high temperature conditions,
In order to ensure the viscosity of hydraulic oil, need to cool to hydraulic oil again, to ensure its lubricant effect, thus need oil cooling machine pair
The temperature of hydraulic oil is controlled.
Fuel tank 20 is used for storing container of the lathe 70 with oil in oil cooling machine.Oil is transported to the 3rd from fuel tank 20 and changed by oil pump 10
Hot device 50, power is provided for whole oil circuit.Lathe 70 is a heat-producing device, for the object that is cooled.
Controlled as shown in figure 1, oil cooling machine also includes compressor 60, four-way valve, electric expansion valve 55, check valve 52 and first
Valve 54 etc..
Wherein, compressor 60 includes outlet and entrance.It is to compress and convey refrigerant (refrigerant) steam that it, which is acted on,；By low pressure
Refrigerant vapour is extracted out from evaporator (heat exchanger of heat absorption), and condenser (heat exchanger of heat release) is sent into after boosting, makes refrigeration
Agent can condense into liquid at normal temperatures.
Four-way valve has a mouthfuls, b mouthfuls, c mouthfuls and d mouthfuls, and according to different mode of operations, there are this four mouths different connections to close
System, to allow hand over the operational mode of oil cooling machine.
The effect of electric expansion valve 55 is the circular flow that refrigerant is depressured to, cooled and adjusted refrigerant.
The outlet of compressor 60 and a mouths of four-way valve are connected, the second company of the entrance of compressor 60 and the 3rd heat exchanger 50
Interface is connected.The c mouths of four-way valve are connected with the entrance of compressor 60.First connector of the 3rd heat exchanger 50 passes through the second heat exchange
Medium pipeline 53 is connected with the first connector of the second heat exchanger.First connector of the 3rd heat exchanger 50 and the second connector are supplied
Refrigerant is passed in and out.3rd connector of the 3rd heat exchanger 50 is connected by pipeline with the oil-out of oil pump 10.3rd heat exchanger 50
4th connector is connected by pipeline with lathe 70, and the 3rd connector and the 4th connector fuel feeding liquid of the 3rd heat exchanger 50 enter
Go out.
First connector of the second heat exchanger 40 is connected by the first heat transferring medium pipeline 51 with the first of First Heat Exchanger 30
Interface is connected.Second connector of the second heat exchanger 40 is connected by the b mouths of heat transferring medium pipeline and four-way valve.First Heat Exchanger
30 the second connector is connected by the d mouths of heat transferring medium pipeline and four-way valve.
Check valve 52 and electric expansion valve 55 are provided with the first heat transferring medium pipeline 51.Second heat transferring medium pipeline 53
Link position on the first heat transferring medium pipeline 51 is located between check valve 52 and electric expansion valve 55.Second heat transferring medium pipe
The first control valve 54 is provided with road 53, the first control valve 54 is used for the break-make for controlling the second heat transferring medium pipeline 53.It can be with
It is magnetic valve, more easily to control.Certainly, the first control valve 54 can also be other valves, as long as ensure that control
Break-make.
Certainly, in other embodiments, the refrigerant between First Heat Exchanger 30, the second heat exchanger 40 and the 3rd heat exchanger 50
Flow direction can also be realized by other valves (such as two position four-way valves), so as to omit the first control valve 54 and check valve 52.
The oil cooling machine course of work is as follows：
When oil pump is not actuated, i.e., when oil pump 10 stops, if the detection temperature that the first temperature detector is obtained is less than startup
Oil temperature, then illustrate that the oil liquid temperature in fuel tank 20 is too low, it is necessary to be heated to fluid, temperature control part then controls the second heat exchange
Device 40 is connected with First Heat Exchanger 30, that is, controls the first control valve 54 to close, and a mouths of four-way valve are connected with d mouthfuls, and b mouthfuls connect with c mouthfuls
It is logical, to be heated to fluid.Now, the second heat exchanger 40 absorbs heat, the heat release of First Heat Exchanger 30, so that the fluid in fuel tank 20
Temperature is increased to start oil temperature, so as to protect oil pump 10, oil pump 10 is normally started safely.The flow process of refrigerant is：
The refrigerant of the outlet outflow of compressor 60 enters First Heat Exchanger 30 by a mouths of four-way valve and d mouthfuls, passes through check valve 52 afterwards
Enter the second heat exchanger 40 with electric expansion valve 55, pass through the b mouths and the entrance of c mouthfuls of inflow compressors 60 of four-way valve afterwards.
After pump start, i.e., when oil pump 10 works, if oil cooling machine setting value subtracts detection temperature more than or equal to first
Setting value, then illustrate that oil liquid temperature is too low, it is necessary to be heated to fluid.Oil cooling machine setting value can be set according to the difference of fluid
It is set to different value.First setting value is determined as needed.Now control the second heat exchanger 40 to be connected with the 3rd heat exchanger 50, that is, control
Make the first control valve 54 to close, a mouths of four-way valve are connected with d mouthfuls, and b mouthfuls connect with c mouthfuls, to heat fluid.Now,
Two heat exchangers 40 absorb heat, and the heat release of First Heat Exchanger 30, refrigerant flow process is identical with former case, will not be repeated here.
Alternatively, in order to ensure oil liquid temperature, it is ensured that it can reliably cool down lathe 70, oil cooling machine also includes the second temperature
Detector is spent, second temperature detector is arranged on the fluid exit of the 3rd heat exchanger 50, and detects the fluid in fluid exit
Temperature.After pump start, i.e., when oil pump 10 works, if oil liquid temperature is higher than target oil temperature, illustrate that oil liquid temperature is too high, need
Cooled, now, the second heat exchanger 40 is connected with the 3rd heat exchanger 50, i.e., the first control valve 54 is opened, a mouthfuls of four-way valve with
B mouthfuls of connections, the heat release of the second heat exchanger 40, the 3rd heat exchanger 50 absorbs heat.Refrigerant flow process is：It is cold that the outlet of compressor 60 is flowed out
Matchmaker enters the second heat exchanger 40 by a mouths of four-way valve and b mouthfuls, enters afterwards by the control valve 54 of electric expansion valve 55 and first
In 3rd heat exchanger 50, to being cooled down by the fluid of the 3rd heat exchanger 50, compression is flowed back to from the entrance of compressor 60 afterwards
Machine 60.When the inner fluid temperature of fuel tank 20 or the exit oil liquid temperature of the 3rd heat exchanger 50 reach setting value, compressor 60 is closed.
Alternatively, in order to lift operating efficiency, the second heat exchanger 40 also includes radiator fan 41, and radiator fan can increase
The heat exchange efficiency of second heat exchanger 40, so as to lift operating efficiency.
Alternatively, can when oil cooling machine carries out temperature adjustment by the heat exchanger 50 of First Heat Exchanger 30 or the 3rd to fluid
So that by controlling the running frequency of compressor 60 to control the elevation rate of oil temperature, oil is rapidly and efficiently stably controlled so as to realize
Temperature.
Had the following technical effect that according to the oil cooling machine of the present invention：
When establishing machine by cable on oil cooling machine, oil temperature is detected, if temperature less than can running temperature values, unlatching fluid is entered
Row heating；
In oil cooling machine running, when oil temperature is less than the oil temperature that lathe needs, fluid can be heated, make oil temperature fast
Speed is stable in desired value.
The oil cooling machine can be according to the actual conditions of oil temperature, by adjusting the running frequency of compressor, to control heating amount
Size, so as to improve the rate of heat addition and fluctuation situation of hydraulic oil.Solve hydraulic oil initial temperature it is too low, cause oil cooling machine without
The problem of method normal boot-strap.And oil temperature can be stablized, improve the speed of the stable oil temperature of oil cooling machine.When the hydraulic oil temperature in fuel tank
When degree is less than certain value, fluid can be heated, according to the temperature feedback of hydraulic oil in fuel tank, adjust running status, it is right
Hydraulic oil is heated.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of oil cooling machine, including fuel tank (20), it is characterised in that oil cooling machine also includes：
Oil pump (10), the oil pump (10) has oil inlet and oil-out, and the oil inlet is connected with the fuel tank (20)；
First temperature detector, first temperature detector is arranged in the fuel tank (20), and detects the fuel tank (20)
The temperature of inner fluid；
Temperature control part, the temperature control part includes First Heat Exchanger (30) and the second heat exchanger (40), second heat exchange
Device (40) is connected by heat transferring medium pipeline point with the First Heat Exchanger (30), and the First Heat Exchanger (30) is arranged on described
In fuel tank (20), the temperature control part is connected with first temperature detector, and according to first temperature detector
Detection temperature controls the break-make between second heat exchanger (40) and the First Heat Exchanger (30).
2. oil cooling machine according to claim 1, it is characterised in that the temperature control part also includes the 3rd heat exchanger
(50), the 3rd heat exchanger (50) is connected by heat transferring medium pipeline with second heat exchanger (40), the oil pump (10)
Oil-out be connected by pipeline with the 3rd heat exchanger (50).
3. oil cooling machine according to claim 1, it is characterised in that when the oil pump (10) stops, if the detection temperature
Degree then controls second heat exchanger (40) to be connected with the First Heat Exchanger (30) less than oil temperature is started, and described second changes
Hot device (40) heat absorption, First Heat Exchanger (30) heat release.
4. oil cooling machine according to claim 1, it is characterised in that when the oil pump (10) works, if oil cooling machine is set
Value subtracts the detection temperature more than or equal to the first setting value, then controls second heat exchanger (40) to be exchanged heat with described first
Device (30) is connected, and second heat exchanger (40) absorbs heat, First Heat Exchanger (30) heat release.
5. oil cooling machine according to claim 2, it is characterised in that the oil cooling machine also includes second temperature detector, institute
State second temperature detector and be arranged on the fluid exit of the 3rd heat exchanger (50), and detect the oil in the fluid exit
Liquid temperature degree, when the oil pump (10) works, if the oil liquid temperature be higher than target oil temperature, second heat exchanger (40) with
3rd heat exchanger (50) connection, and second heat exchanger (40) heat release, the 3rd heat exchanger (50) heat absorption.
6. the oil cooling machine according to any one of claim 2 to 5, it is characterised in that the of second heat exchanger (40)
One connector is connected by the first heat transferring medium pipeline (51) with the first connector of the First Heat Exchanger (30), and described first
Check valve (52) is provided with heat transferring medium pipeline (51).
7. oil cooling machine according to claim 6, it is characterised in that the first connector of second heat exchanger (40) passes through
Second heat transferring medium pipeline (53) is connected with the first connector of the 3rd heat exchanger (50), the second heat transferring medium pipeline
(53) the first control valve (54) for controlling the second heat transferring medium pipeline (53) break-make is provided with.
8. oil cooling machine according to claim 7, it is characterised in that be additionally provided with the first heat transferring medium pipeline (51)
Electric expansion valve (55), link position of the second heat transferring medium pipeline (53) on the first heat transferring medium pipeline (51)
Between the electric expansion valve (55) and the check valve (52).
9. oil cooling machine according to claim 7, it is characterised in that second heat exchanger (40) and the First Heat Exchanger
(30) when connecting, first control valve (54) is closed.
10. oil cooling machine according to claim 1, it is characterised in that second heat exchanger (40) also includes radiator fan
(41)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710476300.0A CN107269598B (en) | 2017-06-21 | 2017-06-21 | oil cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710476300.0A CN107269598B (en) | 2017-06-21 | 2017-06-21 | oil cooler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107269598A true CN107269598A (en) | 2017-10-20 |
| CN107269598B CN107269598B (en) | 2019-05-21 |
Family
ID=60068517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710476300.0A Active CN107269598B (en) | 2017-06-21 | 2017-06-21 | oil cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107269598B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108857570A (en) * | 2018-07-17 | 2018-11-23 | 珠海格力电器股份有限公司 | Oil cooling unit system and control method thereof |
| CN112756486A (en) * | 2021-01-21 | 2021-05-07 | 三河同飞制冷股份有限公司 | Heating cylinder for oil cooling machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09236332A (en) * | 1996-02-29 | 1997-09-09 | Sanyo Electric Co Ltd | Heat pump apparatus for air conditioning |
| JPH11351209A (en) * | 1998-06-09 | 1999-12-24 | Toshiba Eng Co Ltd | High pressure ehc control oil device |
| EP1281445A1 (en) * | 2001-08-01 | 2003-02-05 | H.C.I., naamloze vennootschap | Method of emptying and cleaning an oil tank |
| CN1526961A (en) * | 2003-03-07 | 2004-09-08 | 南纳克斯公司 | Hydraulic press with cooling function |
| CN201891697U (en) * | 2010-09-03 | 2011-07-06 | 北汽福田汽车股份有限公司 | Hydraulic oil heating device of engineering vehicles |
| CN102620351A (en) * | 2012-04-12 | 2012-08-01 | 普鲁卡姆电器（上海）有限公司 | Electric auxiliary heating system for heat pump air-conditioner |
| CN103089759A (en) * | 2013-01-30 | 2013-05-08 | 三一重机有限公司 | Engineering machine and hydraulic oil cooling controlling system thereof |
| CN207212790U (en) * | 2017-06-21 | 2018-04-10 | 珠海格力电器股份有限公司 | Oil cooler |
-
2017
- 2017-06-21 CN CN201710476300.0A patent/CN107269598B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09236332A (en) * | 1996-02-29 | 1997-09-09 | Sanyo Electric Co Ltd | Heat pump apparatus for air conditioning |
| JPH11351209A (en) * | 1998-06-09 | 1999-12-24 | Toshiba Eng Co Ltd | High pressure ehc control oil device |
| EP1281445A1 (en) * | 2001-08-01 | 2003-02-05 | H.C.I., naamloze vennootschap | Method of emptying and cleaning an oil tank |
| CN1526961A (en) * | 2003-03-07 | 2004-09-08 | 南纳克斯公司 | Hydraulic press with cooling function |
| CN201891697U (en) * | 2010-09-03 | 2011-07-06 | 北汽福田汽车股份有限公司 | Hydraulic oil heating device of engineering vehicles |
| CN102620351A (en) * | 2012-04-12 | 2012-08-01 | 普鲁卡姆电器（上海）有限公司 | Electric auxiliary heating system for heat pump air-conditioner |
| CN103089759A (en) * | 2013-01-30 | 2013-05-08 | 三一重机有限公司 | Engineering machine and hydraulic oil cooling controlling system thereof |
| CN207212790U (en) * | 2017-06-21 | 2018-04-10 | 珠海格力电器股份有限公司 | Oil cooler |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108857570A (en) * | 2018-07-17 | 2018-11-23 | 珠海格力电器股份有限公司 | Oil cooling unit system and control method thereof |
| CN112756486A (en) * | 2021-01-21 | 2021-05-07 | 三河同飞制冷股份有限公司 | Heating cylinder for oil cooling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107269598B (en) | 2019-05-21 |
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