CN115045782A - Fuel oil cooling system, engineering machinery and oil liquid sampling method thereof - Google Patents
Fuel oil cooling system, engineering machinery and oil liquid sampling method thereof Download PDFInfo
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- CN115045782A CN115045782A CN202210736084.XA CN202210736084A CN115045782A CN 115045782 A CN115045782 A CN 115045782A CN 202210736084 A CN202210736084 A CN 202210736084A CN 115045782 A CN115045782 A CN 115045782A
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- 238000005070 sampling Methods 0.000 title claims abstract description 111
- 238000001816 cooling Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000007788 liquid Substances 0.000 title claims description 17
- 239000003921 oil Substances 0.000 title description 161
- 239000000295 fuel oil Substances 0.000 title description 10
- 239000000446 fuel Substances 0.000 claims abstract description 48
- 230000017525 heat dissipation Effects 0.000 claims abstract description 38
- 238000004891 communication Methods 0.000 claims description 14
- 230000002159 abnormal effect Effects 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 3
- 239000002828 fuel tank Substances 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000002283 diesel fuel Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/20—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/20—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for cooling
- F02M31/205—Control
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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Abstract
The invention relates to the technical field of engineering machinery, and discloses a fuel cooling system, engineering machinery and an oil sampling method thereof, which comprise a fuel radiator arranged in an oil return flow path of an engine and an oil tank, wherein the fuel radiator comprises an oil inlet, an oil outlet, an oil inlet passage arranged on one side and connected with the oil inlet, an oil outlet passage arranged on the other side and connected with the oil outlet, and heat dissipation chambers, the oil inlet passage and the oil outlet passage are longitudinally arranged, at least 2 heat dissipation chambers are transversely arranged, and two ends of each heat dissipation chamber are respectively connected with the oil inlet passage and the oil outlet passage arranged on two sides of the heat dissipation chamber; a control valve for controlling the circulation of oil in the heat dissipation chamber at the lower part is arranged between the heat dissipation chamber at the upper part and the heat dissipation chamber at the lower part, and the heat dissipation chamber at the lower part is constructed to store oil. The invention has the beneficial effects that: the oil sampling can be completed in real time during the normal work of the whole engineering machinery.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a fuel oil cooling system, the engineering machinery and an oil liquid sampling method thereof.
Background
The oil liquid of the engineering machinery is generally diesel oil, and with the continuous improvement of national standards, whether the tail gas discharged by the engineering machinery is qualified is an important standard for testing whether the engineering machinery meets the national standard requirements, the quality of the diesel oil directly influences the tail gas components discharged by the engineering machinery, and the monitoring work on the quality of the diesel oil is more important after the discharge is upgraded. At present, the quality of diesel oil is difficult to monitor, mainly through on-site sampling, but the on-site sampling has time difference, and the monitoring result deviation is great.
Chinese patent application CN114604083A (application No. 202210240253.0) discloses an engineering vehicle oil tank system, an engineering vehicle and an oil automatic sampling method, which complete real-time sampling through diesel oil return resistance, but cannot complete real-time sampling when the diesel oil tank has less oil.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a fuel oil cooling system, engineering machinery and an oil liquid sampling method thereof, and the oil liquid sampling can be completed in real time in the normal work of the whole engineering machinery.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a fuel cooling system, which comprises a fuel radiator arranged in an oil return flow path of an engine and an oil tank, wherein the fuel radiator comprises an oil inlet, an oil outlet, an oil inlet passage arranged on one side and connected with the oil inlet, an oil outlet passage arranged on the other side and connected with the oil outlet, and heat dissipation chambers, the oil inlet passage and the oil outlet passage are longitudinally arranged, at least 2 heat dissipation chambers are transversely arranged, and two ends of each heat dissipation chamber are respectively connected with the oil inlet passage and the oil outlet passage arranged on two sides of the heat dissipation chamber; the oil path of the heat dissipation cavity at the lower part is closed by the control valve when the oil needs to be sampled, so that the oil is stored in the heat dissipation cavity at the lower part for sampling, and the oil inlet passage, the heat dissipation cavity at the upper part and the oil outlet passage still form the oil return path, so that the function execution of the fuel cooling system can be still ensured.
With reference to the first aspect, further, the control valve includes a first control valve and a second control valve, the first control valve is disposed on the oil inlet passage and divides the oil inlet passage into a first oil inlet passage and a second oil inlet passage, the second control valve is disposed on the oil outlet passage and divides the oil outlet passage into a first oil outlet passage and a second oil outlet passage; the first oil inlet passage, the upper heat dissipation chamber and the first oil outlet passage form a first oil return flow path, and the second oil inlet passage, the lower heat dissipation chamber and the second oil outlet passage form a second oil return flow path; the first control valve and the second control valve are used for closing or conducting the second oil return flow path.
Typically, the first control valve and the second control valve are opened and the fluid normally passes through the second return flow path of the flow-through fuel radiator. When oil needs to be sampled, the first control valve closes a passage from the first oil inlet passage to the second oil inlet passage, and the second control valve closes a flow passage from the second oil return passage to the first oil return passage, so that the oil in the second oil return passage can not flow any more and is stored for sampling, and before sampling is finished, the closed states of the first control valve and the second control valve are always kept, so that real-time sampling of the oil is realized; and after sampling is finished, opening the first control valve and the second control valve.
In combination with the first aspect, the oil pump further includes a controller electrically connected to the control valve, and the controller is configured to control a valve position of the control valve according to the received sampling demand signal and the sampling end signal to close the second oil return flow path or to open the second oil return flow path.
With reference to the first aspect, further, the controller is a complete machine controller of the engineering machine.
In combination with the first aspect, the system further comprises a communication module, wherein the communication module is electrically connected with the controller and the engine respectively, and is used for identifying an abnormal operation signal of the engine, converting the abnormal operation signal into a sampling demand signal and transmitting the sampling demand signal to the controller; the sampling state signal is also used for transmitting the received sampling state signal which can be sampled from the controller to the remote terminal of the host factory; and the sampling device is also used for receiving a sampling end signal sent remotely or on site from an operator and transmitting the sampling end signal to the controller.
With reference to the first aspect, further, a sampling joint is arranged on a channel at the lower part of the fuel radiator, and when oil needs to be sampled, the sampling joint is unscrewed to take out the oil; preferably, the sampling joint is arranged at the bottom of the fuel radiator; preferably, the sampling joint is in threaded connection with a sampling port arranged on a channel at the bottom of the fuel radiator.
Further, the fuel radiator can be not provided with a sampling joint, a sampling person can directly take down the fuel radiator and open the second control valve to directly pour out the oil sample, and the sampling process can be repeated.
With reference to the first aspect, further, the second control valve is a check valve or a solenoid valve.
With reference to the first aspect, further, the first control valve is an electromagnetic valve.
In a second aspect, the invention provides engineering machinery, which comprises an engine, an oil tank and a fuel oil cooling system in any technical scheme, wherein the oil inlet is connected with the engine, and the oil outlet is connected with the oil tank.
In a third aspect, the invention provides an oil sampling method for engineering machinery, which adopts the fuel cooling system of any one of the above technical schemes, and the method comprises the following steps:
judging whether an engineering machinery complete machine controller where the fuel cooling system is located receives a sampling demand signal;
if the sampling demand signal is received, closing the second oil return flow path;
the sampled oil liquid is reserved in the second oil return flow path, and the oil liquid of the system completely flows back to the oil tank through the first oil return flow path.
With reference to the third aspect, the method further includes feeding back a signal of the end of sampling to the controller through the communication module by an operator after the end of sampling, and conducting the second oil return flow path by controlling a valve position of the control valve after the controller receives the signal of the end of sampling.
Compared with the prior art, the invention provides a fuel cooling system, engineering machinery and an oil liquid sampling method thereof, which have the following beneficial effects:
(1) according to the fuel oil cooling system, oil can be normally stored in the fuel oil radiator and can be taken out of the fuel oil radiator as required.
(2) The fuel cooling system can also realize multiple continuous sampling by adding the heat dissipation chamber, the control valve, the sampling joint and the passage, and can be repeatedly used after oil is taken.
(3) The engineering machinery can finish the sampling of oil in real time when the whole engineering machinery works normally.
(4) The oil sampling method provided by the invention can be used for sampling the oil in the oil radiator in real time according to the external signal requirement.
Drawings
FIG. 1 is a schematic cross-sectional front view of a fuel cooling system according to some embodiments of the present invention;
FIG. 2 is a schematic flow chart illustrating a method for sampling oil in a construction machine according to another embodiment of the present disclosure;
fig. 3 is a schematic control logic diagram of an oil sampling method for a construction machine according to another embodiment of the present invention.
The reference numerals in the figures have the meaning:
1. a fuel oil radiator; 1-1, an oil inlet; 1-2, oil outlet; 1-3, a first oil inlet passage; 1-4, a second oil inlet passage; 1-5, a first oil outlet passage; 1-6, a second oil outlet passage; 2. a controller; 3. a first control valve; 4. a second control valve; 5. a first oil return flow path; 6. a second oil return flow path; 7. and a communication module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may also include different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the claimed invention.
As shown in fig. 1, the invention provides a fuel cooling system, which comprises a fuel radiator 1 arranged in an oil return flow path of an engine and an oil tank, wherein the fuel radiator 1 comprises an oil inlet 1-1, an oil outlet 1-2, an oil inlet passage arranged on one side and connected with the oil inlet 1-1, an oil outlet passage arranged on the other side and connected with the oil outlet 1-2, and heat dissipation chambers, the oil inlet passage and the oil outlet passage are longitudinally arranged, at least 2 heat dissipation chambers are transversely arranged, and two ends of the heat dissipation chambers are respectively connected with the oil inlet passage and the oil outlet passage arranged on two sides of the heat dissipation chambers; the oil outlet passage is constructed to store oil, when the oil needs to be sampled, the control valve closes an oil way of the heat dissipation chamber at the lower part, so that the oil is stored in the heat dissipation chamber at the lower part and part of the oil inlet passage and used for sampling in the oil outlet passage, and the oil inlet passage, the heat dissipation chamber at the upper part and the oil outlet passage still form an oil return oil way, and the execution of the functions of the fuel cooling system can still be ensured.
In other embodiments, the control valves comprise a first control valve 3 and a second control valve 4, the first control valve 3 is arranged on the oil inlet passage and divides the oil inlet passage into a first oil inlet passage 1-3 and a second oil inlet passage 1-4, the second control valve 4 is arranged on the oil outlet passage and divides the oil outlet passage into a first oil outlet passage 1-5 and a second oil outlet passage 1-6; the first oil inlet passage 1-3, the upper heat dissipation chamber and the first oil outlet passage 1-5 form a first oil return flow path 5, and the second oil inlet passage 1-4, the lower heat dissipation chamber and the second oil outlet passage 1-6 form a second oil return flow path 6; the first control valve 3 and the second control valve 4 are used to close or open the second oil return flow path 6.
Normally, the first control valve 3 and the second control valve 4 are opened, and the oil normally passes through the second return flow path 6 of the fluidic radiator 1. When oil needs to be sampled, the first control valve 3 closes a passage from the first oil inlet passage 1-3 to the second oil inlet passage 1-4, and the second control valve 4 closes a flow passage from the second oil return passage to the first oil return passage, so that the oil in the second oil return passage 6 can not flow any more and is stored for sampling, and before sampling is finished, the closing states of the first control valve 3 and the second control valve 4 are always kept, so that real-time sampling of the oil is realized; after sampling is finished, the first control valve 3 and the second control valve 4 are opened again.
In other embodiments, the fuel cooling system further comprises a controller 2 electrically connected to the control valve, and the controller 2 is configured to control a valve position of the control valve to close the second oil return flow path 6 or to open the second oil return flow path 6 according to the received sampling demand signal and the sampling end signal.
In other embodiments, the controller 2 is a complete machine controller of the engineering machinery.
In other embodiments, the fuel cooling system further comprises a communication module 7, wherein the communication module 7 is electrically connected with the controller 2 and the engine respectively, and is used for identifying an abnormal operation signal of the engine, converting the abnormal operation signal into a sampling demand signal, and then transmitting the sampling demand signal to the controller 2; and is also used for transmitting the received sampling state signal which can be sampled and is from the controller 2 to the remote terminal of the host factory; and is also used for receiving a sampled sampling state signal (i.e. an end-of-sampling signal) sent remotely or on site from an operator and transmitting the end-of-sampling signal to the controller 2.
In other embodiments, a sampling joint is arranged on a channel at the lower part of the fuel radiator 1, and when oil needs to be sampled, the sampling joint is unscrewed to take out the oil; preferably, the sampling joint is arranged at the bottom of the fuel radiator 1; preferably, the sampling joint is in threaded connection with a sampling port arranged on a channel at the bottom of the fuel radiator 1.
In other embodiments, the fuel radiator 1 may not be provided with a sampling joint, a sampling person may directly take down the fuel radiator 1 and open the second control valve 4 to directly pour out the oil sample, and the sampling process may be repeated.
In other embodiments, the second control valve 4 is a one-way valve or a solenoid valve.
When the second control valve 4 is a one-way valve, the first oil outlet passage 1-5 cannot flow like the second oil outlet passage 1-6 because the second control valve 4 is a one-way valve, but the second oil outlet passage 1-6 can flow to the first oil outlet passage 1-5, the controller 2 and the second control valve 4 have no control relationship, and the controller 2 only needs to control the closing and opening of the first control valve 3 to realize the functions of oil storage and sampling of the fuel cooling system.
When the second control valve 4 is an electromagnetic valve, the controller 2 is electrically connected to both the first control valve 3 and the second control valve 4 to control them to be closed and opened simultaneously.
In other embodiments, the first control valve 3 is a solenoid valve.
In other embodiments, a status sensor is provided on the control valve or a pressure sensor is provided on the fuel radiator 1.
The state sensor is configured to send a signal to the controller 2 according to a change of a valve position of the control valve, for example, after the control valve is closed (at this time, the valve position of the control valve is changed from an open working position to a closed working position), the signal that the state sensor needs to send to the controller 2 is a sampling state signal.
The pressure sensor is used for sending a signal to the controller 2 according to the detected pressure value change in the fuel radiator 1, for example, after the control valve is closed, oil liquid is stored in the second oil return flow path 6 for sampling, at the moment, the pressure value in the fuel radiator 1 is greater than a certain threshold value, namely, the current state is a sampling state, and the pressure sensor sends a sampling state signal to the controller 2.
It should be noted that: the sampling state signal which can be sampled indicates that the staff can sample; the sampled sampling state signal indicates that the worker has finished sampling.
The embodiment of the invention also provides engineering machinery which comprises an engine, an oil tank and the fuel oil cooling system adopting any technical scheme, wherein the oil inlet 1-1 is connected with the engine, and the oil outlet 1-2 is connected with the oil tank.
As shown in fig. 2 and 3, an embodiment of the present invention further provides an oil sampling method for an engineering machine, where the fuel cooling system provided by any one of the above technical solutions is adopted, and the method includes the following steps:
step S1: judging whether the engineering machinery complete machine controller 2 where the fuel cooling system is located receives a sampling demand signal;
step S2: if a sampling demand signal is received, closing the second oil return flow path 6;
step S3: the sampling oil liquid is reserved in the second oil return flow path 6, and the system oil liquid completely flows back to the oil tank through the first oil return flow path 5.
In other embodiments, the oil sampling method for the engineering machinery further includes that after sampling is finished, an operator feeds back a signal of finishing sampling to the controller 2 through the communication module 7, and the controller 2 conducts the second oil return flow path 6 by controlling the valve position of the control valve according to the signal of finishing sampling.
In other embodiments, as shown in fig. 3, the oil sampling method of the present invention has the following control logic:
firstly, a sensor for monitoring the running of an engine monitors abnormality and sends an abnormal signal to a communication module;
secondly, the communication module identifies the received running abnormal signal of the engine, converts the running abnormal signal into a sampling demand signal and then sends the sampling demand signal to the controller;
thirdly, the controller closes the control valve according to the received sampling demand signal; after the control valve is closed, oil liquid is stored in the second oil return flow path 6 for sampling, and at the moment, the sampling state is a sampling state; the state sensor or the pressure sensor feeds back a sampling state signal which can be sampled to the controller;
thirdly, the controller feeds back a message to the remote terminal of the host factory through the communication module so as to inform the host factory of timely dispatching a worker to sample on site;
and finally, after sampling is finished, an operator sends a signal of finishing sampling to the controller through the communication module, and after the controller receives the signal of finishing sampling, the controller starts the control valve to conduct the second oil return flow path 6.
In other embodiments, the end-of-sampling signal may be a signal sent by a sampling worker (the same operator as above) or a signal sent to the controller by a pressure sensor (whether the oil is poured out through the sampling joint or the fuel radiator is detached, the pressure in the fuel radiator is reduced, and when the pressure sensor detects that the pressure value is smaller than another threshold value, the end-of-sampling signal is sent by the worker).
It is noted that, in the present application, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A fuel cooling system characterized by: the oil-saving type engine oil-saving heat radiator comprises an oil-saving port, an oil-saving passage, an oil outlet passage and heat-dissipation chambers, wherein the oil-saving passage is arranged on one side of the oil-saving port and is connected with the oil-saving port, the oil-saving passage is arranged on the other side of the oil-saving port and is connected with the oil-saving port, the number of the heat-dissipation chambers is at least 2, the heat-dissipation chambers are transversely arranged, and two ends of the heat-dissipation chambers are respectively connected with the oil-saving passage and the oil outlet passage which are arranged on two sides of the heat-dissipation chambers; a control valve for controlling the oil liquid circulation in the heat dissipation cavity at the lower part is arranged between the heat dissipation cavity at the upper part and the heat dissipation cavity at the lower part, and the heat dissipation cavity at the lower part and the corresponding oil inlet passage section and oil return passage section are constructed to store the oil liquid.
2. A fuel cooling system as set forth in claim 1, wherein: the control valve comprises a first control valve and a second control valve, the first control valve is arranged on the oil inlet passage and divides the oil inlet passage into a first oil inlet passage and a second oil inlet passage, the second control valve is arranged on the oil outlet passage and divides the oil outlet passage into a first oil outlet passage and a second oil outlet passage; the first oil inlet passage, the upper heat dissipation chamber and the first oil outlet passage form a first oil return flow path, and the second oil inlet passage, the lower heat dissipation chamber and the second oil outlet passage form a second oil return flow path; the first control valve and the second control valve are used for closing or conducting the second oil return flow path.
3. A fuel cooling system as set forth in claim 2, wherein: the sampling device also comprises a controller which is electrically connected with the control valve, wherein the controller is used for controlling the valve position of the control valve according to the received sampling demand signal and the sampling end signal so as to close the second oil return flow path or conduct the second oil return flow path.
4. A fuel cooling system according to claim 3, characterized in that: the device comprises a controller, an engine and a communication module, wherein the controller is used for receiving an engine running abnormal signal and transmitting the engine running abnormal signal to the communication module.
5. A fuel cooling system as set forth in claim 2, wherein: and a sampling joint is arranged on a channel at the lower part of the fuel radiator.
6. A fuel cooling system as set forth in claim 2, wherein: the second control valve is a one-way valve or an electromagnetic valve.
7. A fuel cooling system as set forth in claim 2, wherein: the first control valve is an electromagnetic valve.
8. A construction machine characterized in that: comprising an engine, a fuel tank and a fuel cooling system as claimed in any one of claims 1 to 7, said oil inlet being connected to the engine and said oil outlet being connected to the fuel tank.
9. An oil sampling method of engineering machinery is characterized in that: use of a fuel cooling system according to any of claims 2 to 7, the method comprising the steps of:
judging whether an engineering machinery complete machine controller where the fuel cooling system is located receives a sampling demand signal;
if the sampling demand signal is received, closing the second oil return flow path;
the sampled oil liquid is reserved in the second oil return flow path, and the oil liquid of the system completely flows back to the oil tank through the first oil return flow path.
10. The oil sampling method of an engineering machine according to claim 9, wherein: the method further comprises the step that after sampling is finished, an operator feeds back a signal of finishing sampling to the controller through the communication module, and after the controller receives the signal of finishing sampling, the second oil return flow path is conducted by controlling the valve position of the control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210736084.XA CN115045782B (en) | 2022-06-27 | 2022-06-27 | Fuel cooling system, engineering machinery and oil liquid sampling method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210736084.XA CN115045782B (en) | 2022-06-27 | 2022-06-27 | Fuel cooling system, engineering machinery and oil liquid sampling method thereof |
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| CN115045782A true CN115045782A (en) | 2022-09-13 |
| CN115045782B CN115045782B (en) | 2024-03-29 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01155004A (en) * | 1987-12-11 | 1989-06-16 | Toshiba Corp | Device for continuously monitoring oil of oil pressure generating equipment |
| JP2000130161A (en) * | 1998-10-22 | 2000-05-09 | Shin Caterpillar Mitsubishi Ltd | Cooling device of construction machine |
| KR20040022856A (en) * | 2002-09-10 | 2004-03-18 | 현대자동차주식회사 | Control system for cooling water of radiator |
| CN111189670A (en) * | 2020-03-27 | 2020-05-22 | 威海怡和专用车有限公司 | Dark drainage appearance device and use this dark drainage appearance device's oil quality testing car |
| CN113299464A (en) * | 2021-05-21 | 2021-08-24 | 广东电网有限责任公司 | Adjustable reflux unit of fluid is got to on-load conservator |
| CN214174383U (en) * | 2020-10-23 | 2021-09-10 | 国网江西省电力有限公司电力科学研究院 | A standard oil appearance storage device for on-spot check-up |
| CN114604083A (en) * | 2022-03-10 | 2022-06-10 | 徐州徐工挖掘机械有限公司 | Engineering vehicle oil tank system, engineering vehicle and oil liquid automatic sampling method |
| CN115143001A (en) * | 2022-06-22 | 2022-10-04 | 中联重科土方机械有限公司 | Method for detecting fault, controller and fuel retention system |
-
2022
- 2022-06-27 CN CN202210736084.XA patent/CN115045782B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01155004A (en) * | 1987-12-11 | 1989-06-16 | Toshiba Corp | Device for continuously monitoring oil of oil pressure generating equipment |
| JP2000130161A (en) * | 1998-10-22 | 2000-05-09 | Shin Caterpillar Mitsubishi Ltd | Cooling device of construction machine |
| KR20040022856A (en) * | 2002-09-10 | 2004-03-18 | 현대자동차주식회사 | Control system for cooling water of radiator |
| CN111189670A (en) * | 2020-03-27 | 2020-05-22 | 威海怡和专用车有限公司 | Dark drainage appearance device and use this dark drainage appearance device's oil quality testing car |
| CN214174383U (en) * | 2020-10-23 | 2021-09-10 | 国网江西省电力有限公司电力科学研究院 | A standard oil appearance storage device for on-spot check-up |
| CN113299464A (en) * | 2021-05-21 | 2021-08-24 | 广东电网有限责任公司 | Adjustable reflux unit of fluid is got to on-load conservator |
| CN114604083A (en) * | 2022-03-10 | 2022-06-10 | 徐州徐工挖掘机械有限公司 | Engineering vehicle oil tank system, engineering vehicle and oil liquid automatic sampling method |
| CN115143001A (en) * | 2022-06-22 | 2022-10-04 | 中联重科土方机械有限公司 | Method for detecting fault, controller and fuel retention system |
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| CN115045782B (en) | 2024-03-29 |
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