CN208780463U - Natural gas engine development experiments cooling water circulating device - Google Patents
Natural gas engine development experiments cooling water circulating device Download PDFInfo
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- CN208780463U CN208780463U CN201821672342.8U CN201821672342U CN208780463U CN 208780463 U CN208780463 U CN 208780463U CN 201821672342 U CN201821672342 U CN 201821672342U CN 208780463 U CN208780463 U CN 208780463U
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Abstract
The utility model discloses a kind of natural gas engine development experiments cooling water circulating devices, it is connect with engine, including heat exchanger and cooling water source, heat exchanger water inlet quantity regulating device is connected between heat exchanger and cooling water source, heat exchanger water inlet quantity regulating device signal is connected with into water amount control device, cooling compensating device is connected between heat exchanger and engine, cooling compensating device is set to the top of engine；Length of pipe and right angle pipe bend quantity largely reduce in the device, significantly reduce the flow resistance of cooling water, and cooling compensating device installation site is higher, further increase flow rate, circulating pump is no longer arranged in the present apparatus, more reduces resistance to water-flow；Heat exchanger water inlet quantity regulating device is mounted on the influent side of heat exchanger, it can control the inflow of heat exchanger cooling water, the accurate closed-loop control that can be realized water temperature meets the exploitation demand of engine test product, it is ensured that pilot development work is normally carried out.
Description
Technical field
The utility model relates to natural gas engine technical field of test equipment more particularly to a kind of natural gas engine to open
Send out test cooling water circulating device.
Background technique
When carrying out natural gas engine bench test, it is necessary to be carried out during the test using cooling water recirculation system in real time
Cooling, cooling water recirculation system in the prior art, cooling water circulation is long with pipeline is laid with, and length is up to 7.8 meters, other right angle
Pipe bend is more using quantity, and up to 16, the use of a large amount of water lines and right angle pipe bend all considerably increases the stream of cooling water
Dynamic resistance reduces flow rate.The reason of causing above-mentioned phenomenon be cooling water circulation member selection and arrangement not
Rationally, such as compensation tank is mounted on engine cooling water water outlet, and installation site is lower, and height is only 2 meters, to increase water
Flow velocity rate is extremely limited, and engine cooling water water outlet flows through circulating pump, can increase flow rate, but circulating pump when recycling pump work
Resistance to water-flow is significantly greatly increased when off working state, the installation site that other controls water valve is not good enough yet, and water temperature is difficult to realize
Accurate control.It is insufficient using temperature control system for cooling water of engine flow of inlet water used at present as a result, it is unable to satisfy natural
The functional trial of gas engine develops demand, and eventually leading to pilot development cannot proceed normally.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of small flow resistance, help to improve water temperature control essence
The natural gas engine development experiments cooling water circulating device of exactness.
In order to solve the above technical problems, the technical solution of the utility model is: the cooling of natural gas engine development experiments
Water circle device is connect with engine, including heat exchanger and cooling water source, and the heat exchanger is cold equipped with being arranged in pairs
Water inlet and hot water outlet, cooling water outlet and hot water inlet, the cold water inlet and the hot water outlet in the heat exchanger
Connection setting, the cooling water outlet are connected to setting with the hot water inlet, and the cold water inlet is connected to by cold water inlet
The cooling water source, the hot water outlet are connected to the cooling water source, the cold water inlet and institute by hot water outlet pipe
It states and is connected with heat exchanger water inlet quantity regulating device between hot water outlet pipe, the heat exchanger water inlet quantity regulating device signal is connected with
Water inlet amount control device, the cooling water outlet is connected to the cooling water intake of the engine by cold water outlet pipe, described
Hot water inlet is connected to the cooling water outlet of the engine by hot water inlet pipe, is also communicated on the cold water outlet pipe
Cooling compensating device, the cooling compensating device are set to the top of the engine, and the cooling compensating device is connected to described
Water inlet amount control device.
The heat exchanger water inlet quantity regulating device includes being connected on the cold water inlet as a preferred technical solution,
Threeway proportioning valve, the threeway proportioning valve, which also passes through inflow regulation pipe and is connected to, states hot water outlet pipe.
The water inlet amount control device includes the cooling water water outlet for being mounted on the engine as a preferred technical solution,
Temperature sensor on mouth, the temperature sensor signal are connected with temperature controller, and the temperature controller signal is connected to
The threeway proportioning valve.
As improvement to above-mentioned technical proposal, the cooling compensating device includes cooling compensation tank, the cooling benefit
Water tank is repaid through cooling compensation water pipe connection on the cold water outlet pipe, cooling compensation is installed on the cooling compensation water pipe
Water pump, the cooling compensation water pump are connect with the temperature controller signal.
As improvement to above-mentioned technical proposal, the cooling compensating device is at least above three meters of engine settings.
By adopting the above-described technical solution, the beneficial effects of the utility model are: the cooling arranged by above structure
Water circle device, cooling water pipeline length can be reduced to four meters, and right angle pipe bend is reduced to four, and length of pipe and quadrature tube are curved
Head quantity reduction all significantly reduce the flow resistance of cooling water, in addition compensation tank be mounted on engine influent side and
Installation site is higher, further increases flow rate, circulating pump used in traditional structure is no longer arranged in the present apparatus, more
Reduce resistance to water-flow；Heat exchanger water inlet quantity regulating device is mounted on the influent side of heat exchanger, directly controls into heat exchange
The water flow of device can control the inflow of heat exchanger cooling water, can be realized the accurate closed-loop control of water temperature, meets hair
The exploitation demand of motivation test products, it is ensured that pilot development work is normally carried out.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model
It encloses.Wherein:
Fig. 1 is the structural block diagram of the utility model embodiment；
In figure: 1- heat exchanger；2- cooling water source；3- cold water inlet；4- hot water outlet；5- cooling water outlet；6- hot water enters
Mouthful；7- cold water inlet；8- hot water outlet pipe；9- threeway proportioning valve；10- inflow regulation pipe；11- temperature sensor；12- temperature
Spend controller；13- cold water outlet pipe；14- hot water inlet pipe；15- cools down compensation tank；The cooling compensation water pipe of 16-；17- is cooling
Compensate water pump；18- engine.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is further described.In the following detailed description, only pass through
Bright mode describes certain exemplary embodiments of the utility model.Undoubtedly, those skilled in the art can be with
It recognizes, it, can be with a variety of different modes to described without departing from the spirit and scope of the utility model
Embodiment is modified.Therefore, attached drawing and description are regarded as illustrative in nature, rather than the protection for limiting claim
Range.
As shown in Figure 1, natural gas engine development experiments cooling water circulating device, connect, including heat with engine 18
Exchanger 1 and cooling water source 2, the cooling water source 2 can be set to water supply, for providing refrigerant for cooling water circulation.
The heat exchanger 1 is equipped with the cold water inlet 3 and hot water outlet 4, cooling water outlet 5 and hot water inlet 6 being arranged in pairs, the heat
The water inlet is connected to setting with the hot water outlet 4 in exchanger 1, the cooling water outlet 5 is connected to the hot water inlet 6 and sets
It sets, the cold water inlet 3 is connected to the cooling water source 2 by cold water inlet 7, and the hot water outlet 4 passes through hot water effluent
Pipe 8 is connected to the cooling water source 2, is connected with heat exchanger inflow between the cold water inlet 7 and the hot water outlet pipe 8
Regulating device, specifically, the heat exchanger water inlet quantity regulating device includes the threeway ratio being connected on the cold water inlet 7
Example valve 9, the threeway proportioning valve 9 are also connected to by inflow regulation pipe 10 and state hot water outlet pipe 8.
The threeway proportioning valve 9 is mounted on the side that the heat exchanger 1 connects the cooling water source 2, passes through described three
Logical proportioning valve 9 can control the flow into the cooling water of the heat exchanger 1, and then control the cooling of the heat exchanger 1
Ability, to control the inflow temperature of 18 cooling water of engine, by the optimization of above-mentioned 9 installation site of threeway proportioning valve,
The accurate closed-loop control that can be realized water temperature controls the inflow temperature of 18 cooling water of engine more accurate, to guarantee
Engine development test is gone on smoothly.
The heat exchanger water inlet quantity regulating device signal is connected with into water amount control device, the water inlet amount control device packet
The temperature sensor 11 being mounted on the cooling water outlet of the engine 18 is included, 11 signal of temperature sensor is connected with
Temperature controller 12,12 signal of temperature controller are connected to the threeway proportioning valve 9, and the temperature controller 12 includes micro-
The dependency structures such as processor, hard disk, memory, display screen and system bus are known to those of ordinary skill in the art
Content is not described in detail herein.It can be gone out by the temperature sensor 11 with the cooling water of engine 18 described in real-time detection
The mouth of a river be discharged water temperature, be preset with setting value in the temperature sensor 11, when detected value be less than setting value when, illustrate into
Water is larger, and the temperature controller 12 controls the water reduction that the threeway proportioning valve 9 flows to the heat exchanger 1；Work as inspection
When measured value is greater than the set value, illustrate that inflow is smaller, the temperature controller 12 controls the threeway proportioning valve 9 and flows to the heat
The water of exchanger 1 increases, and guarantees that the temperature of water is discharged close to constant in the cooling water outlet of the engine 18 to reach
Purpose controls the temperature of 18 coolant liquid of engine more accurate by above-mentioned control.
The cooling water outlet 5 is connected to the cooling water intake of the engine 18, the heat by cold water outlet pipe 13
Water inlet 6 is connected to the cooling water outlet of the engine 18 by hot water inlet pipe 14, goes back on the cold water outlet pipe 13
It is communicated with cooling compensating device, the cooling compensating device is set to the top of the engine 18, and the cooling compensating device connects
It is connected to the water inlet amount control device.The cooling compensating device is at least above 18 3 meters of engine settings, i.e., described cold
But compensation tank 15 is at least above 18 3 meters of engine settings, and the cooling compensation tank 15 is mounted on the engine
18 influent side, has been significantly greatly increased flow rate.
Specifically, the cooling compensating device includes cooling compensation tank 15, and the cooling compensation tank 15 passes through cooling
The connection of water pipe 16 is compensated on the cold water outlet pipe 13, cooling compensation water pump 17 is installed on the cooling compensation water pipe 16,
The cooling compensation water pump 17 is connect with 12 signal of temperature controller, can control by the temperature controller 12 described
Cooling compensation water pump 17 starts, and is compensated according to actual needs using the cooling compensation tank 15 to the engine 18 cold
But, to guarantee the cooling effect of coolant liquid in the engine 18.
The cooling water circulating device that the utility model is arranged by above structure, cooling water pipeline length can be reduced to four
Rice, right angle pipe bend are reduced to four, and the reduction of length of pipe and right angle pipe bend quantity all significantly reduces cooling water
Flow resistance, in addition compensation tank be mounted on engine 18 influent side and installation site it is higher, further increase water flow velocity
Rate is no longer arranged circulating pump used in traditional structure in the present apparatus, more reduces resistance to water-flow；Heat exchanger inflow is adjusted
Device is mounted on the influent side of heat exchanger 1, directly controls the water flow into heat exchanger 1, it is cold to can control heat exchanger 1
But the inflow of water can be realized the accurate closed-loop control of water temperature, meet the exploitation demand of engine test product, it is ensured that
Pilot development work is normally carried out.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (5)
1. natural gas engine development experiments cooling water circulating device, connect, it is characterised in that: including heat exchange with engine
Device and cooling water source, the heat exchanger is equipped with the cold water inlet being arranged in pairs and hot water outlet, cooling water outlet and hot water enter
Mouthful, the cold water inlet is connected to setting, the cooling water outlet and the hot water with the hot water outlet and enters in the heat exchanger
Mouth connection setting, the cold water inlet are connected to the cooling water source by cold water inlet, and the hot water outlet passes through hot water
Outlet pipe is connected to the cooling water source, and heat exchanger inflow is connected between the cold water inlet and the hot water outlet pipe
Regulating device, the heat exchanger water inlet quantity regulating device signal are connected with into water amount control device, and the cooling water outlet passes through cold
Water outlet pipe is connected to the cooling water intake of the engine, and the hot water inlet is connected to the hair by hot water inlet pipe
The cooling water outlet of motivation is also communicated with cooling compensating device on the cold water outlet pipe, and the cooling compensating device is set to
The top of the engine, the cooling compensating device are connected to the water inlet amount control device.
2. natural gas engine development experiments cooling water circulating device as described in claim 1, it is characterised in that: described to change
Hot device water inlet quantity regulating device includes the threeway proportioning valve being connected on the cold water inlet, and the threeway proportioning valve also passes through
Inflow regulation pipe, which is connected to, states hot water outlet pipe.
3. natural gas engine development experiments cooling water circulating device as claimed in claim 2, it is characterised in that: it is described into
Water volume control device includes the temperature sensor being mounted on the cooling water outlet of the engine, the temperature sensor letter
Number it is connected with temperature controller, the temperature controller signal is connected to the threeway proportioning valve.
4. natural gas engine development experiments cooling water circulating device as claimed in claim 3, it is characterised in that: described cold
But compensation device includes cooling compensation tank, and the cooling compensation tank is discharged by cooling compensation water pipe connection in the cold water
Guan Shang, cooling compensate are equipped with cooling compensation water pump on water pipe, the cooling compensation water pump is believed with the temperature controller
Number connection.
5. the natural gas engine development experiments cooling water circulating device as described in Claims 1-4 any claim,
Be characterized in that: the cooling compensating device is at least above three meters of engine settings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821672342.8U CN208780463U (en) | 2018-10-16 | 2018-10-16 | Natural gas engine development experiments cooling water circulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821672342.8U CN208780463U (en) | 2018-10-16 | 2018-10-16 | Natural gas engine development experiments cooling water circulating device |
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| Publication Number | Publication Date |
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| CN208780463U true CN208780463U (en) | 2019-04-23 |
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| CN201821672342.8U Active CN208780463U (en) | 2018-10-16 | 2018-10-16 | Natural gas engine development experiments cooling water circulating device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425028A (en) * | 2019-08-07 | 2019-11-08 | 中国北方发动机研究所(天津) | A kind of test water system |
| CN110783648A (en) * | 2019-10-31 | 2020-02-11 | 重庆长安汽车股份有限公司 | Cooling liquid purging device and purging method for battery assembly test |
| CN112284742A (en) * | 2020-09-21 | 2021-01-29 | 东风汽车集团有限公司 | Water temperature and flow control system for engine pedestal |
| CN112304151A (en) * | 2020-10-23 | 2021-02-02 | 彩虹（合肥）液晶玻璃有限公司 | Cooling water temperature control device |
| CN112499937A (en) * | 2020-10-21 | 2021-03-16 | 彩虹（合肥）液晶玻璃有限公司 | Heat exchanger installation control mechanism |
| CN114382584A (en) * | 2021-12-31 | 2022-04-22 | 潍柴动力扬州柴油机有限责任公司 | Engine temperature control device and temperature control method |
-
2018
- 2018-10-16 CN CN201821672342.8U patent/CN208780463U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425028A (en) * | 2019-08-07 | 2019-11-08 | 中国北方发动机研究所(天津) | A kind of test water system |
| CN110783648A (en) * | 2019-10-31 | 2020-02-11 | 重庆长安汽车股份有限公司 | Cooling liquid purging device and purging method for battery assembly test |
| CN112284742A (en) * | 2020-09-21 | 2021-01-29 | 东风汽车集团有限公司 | Water temperature and flow control system for engine pedestal |
| CN112284742B (en) * | 2020-09-21 | 2022-02-22 | 东风汽车集团有限公司 | Water temperature and flow control system for engine pedestal |
| CN112499937A (en) * | 2020-10-21 | 2021-03-16 | 彩虹（合肥）液晶玻璃有限公司 | Heat exchanger installation control mechanism |
| CN112499937B (en) * | 2020-10-21 | 2022-08-30 | 彩虹（合肥）液晶玻璃有限公司 | Heat exchanger installation control mechanism |
| CN112304151A (en) * | 2020-10-23 | 2021-02-02 | 彩虹（合肥）液晶玻璃有限公司 | Cooling water temperature control device |
| CN114382584A (en) * | 2021-12-31 | 2022-04-22 | 潍柴动力扬州柴油机有限责任公司 | Engine temperature control device and temperature control method |
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