CN206845351U - Gas engine air inlet temperature control system - Google Patents
Gas engine air inlet temperature control system Download PDFInfo
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- CN206845351U CN206845351U CN201720778724.8U CN201720778724U CN206845351U CN 206845351 U CN206845351 U CN 206845351U CN 201720778724 U CN201720778724 U CN 201720778724U CN 206845351 U CN206845351 U CN 206845351U
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- pipeline
- automatically controlled
- flow valve
- engine
- controlled flow
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The utility model discloses a kind of gas engine air inlet temperature control system, belong to engine charge ICS intercooler system technical field, air inlet pipe including engine and on the engine, the outlet of the air inlet pipe connection gaseous mixture pipeline, air duct and fuel gas supply unit after the entrance of the gaseous mixture pipeline is cold in connecting respectively, cryogenic media pipeline is provided with inside the air inlet pipe, the cryogenic media pipeline has been respectively communicated with cryogenic media entrance pipeline and cryogenic media outlet pipeline, and the cryogenic media entrance pipeline is provided with the first automatically controlled flow valve；Intake air temperature sensor is additionally provided with the air inlet pipe, the intake air temperature sensor electrically connects the ECU of engine input, and the output end of the ECU electrically connects the first automatically controlled flow valve.The utility model ensure that gas engine can have controllable intake air temperature in different environments, ensure that engine power performance and economy.
Description
Technical field
The utility model belongs to engine charge ICS intercooler system technical field, more particularly to a kind of gas engine enters temperature
Control system.
Background technology
Engine can operationally produce very high temperature, and engine is typically mounted in closed space, so
Temperature can be caused in enging cabin apparently higher than environment temperature.Conventional engines are too high because of environment temperature in the summer of sweltering heat,
Engine is deteriorated with extraneous heat exchange, and natively ambient temperature is high in addition for the engine of high temperature, causes engine charge
Temperature is too high, and then causes engine power performance to be deteriorated, and gas consumption uprises, and engine shutdown is even resulted in, because environment temperature
Spend the change with season, it is impossible to by the excessive of charge air cooler matching.
Therefore, how to ensure that gas engine there can be controllable intake air temperature in different environments, ensure engine
Dynamic property is unaffected, and economy will not be deteriorated, and turns into those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
Technical problem to be solved in the utility model is：A kind of gas engine air inlet temperature control system is provided, to solve
Conventional engines cause intake air temperature is too high to cause fuel consumption high in high temperature environments, the technical problem of dynamic property difference.
In order to solve the above technical problems, the technical solution of the utility model is：Gas engine air inlet temperature control system, including
Engine and the air inlet pipe on the engine, the outlet of the air inlet pipe connection gaseous mixture pipeline, the mixture pipe
Air duct and fuel gas supply unit after the entrance in road is cold in connecting respectively, the air inlet pipe inside are provided with cryogenic media pipeline,
The cryogenic media pipeline has been respectively communicated with cryogenic media entrance pipeline and cryogenic media outlet pipeline, the cryogenic media entrance
Pipeline is provided with the first automatically controlled flow valve；
Intake air temperature sensor is additionally provided with the air inlet pipe, the intake air temperature sensor electrically connects the engine
ECU input, the output end of the ECU electrically connect the first automatically controlled flow valve.
As an improvement the fuel gas supply unit includes the gas tank, vaporizer, combustion being sequentially connected in series by gas pipeline
Gas temperature sensor, the second automatically controlled flow valve, pressure regulator, cleaner and fuel control valve, the cryogenic media entrance pipeline
Arrival end connects the gas pipeline between the fuel gas temperature sensor and the second automatically controlled flow valve, and the low temperature is situated between
The port of export of matter outlet conduit connects the gas pipeline between the second automatically controlled flow valve and the pressure regulator；
The engine forms coolant circuit by cooling water pipeline and the vaporizer, is provided with the engine
Cooling-water temperature sensor, the 3rd automatically controlled flow valve is installed on the cooling water pipeline；
The input of the fuel gas temperature sensor and the cooling-water temperature sensor respectively with the ECU electrically connects；
The output end of the ECU is electrically connected the described second automatically controlled flow valve and the 3rd automatically controlled flow valve.
As an improvement the fuel gas supply unit includes the gas tank, pressure reducer, combustion being sequentially connected in series by gas pipeline
Gas temperature sensor, the second automatically controlled flow valve, cleaner and fuel control valve, the arrival end of the cryogenic media entrance pipeline connect
The logical gas pipeline between the fuel gas temperature sensor and the second automatically controlled flow valve, the cryogenic media outlet pipe
The port of export in road connects the gas pipeline between the second automatically controlled flow valve and the cleaner；
The engine forms coolant circuit by cooling water pipeline and the pressure reducer, is provided with the engine
Cooling-water temperature sensor, the 3rd automatically controlled flow valve is installed on the cooling water pipeline；
The input of the fuel gas temperature sensor and the cooling-water temperature sensor respectively with the ECU electrically connects；
The output end of the ECU is electrically connected the described second automatically controlled flow valve and the 3rd automatically controlled flow valve.
As a further improvement, the gas pipeline of the fuel control valve entrance passes provided with fuel gas temperature pressure
Sensor, the fuel gas temperature pressure sensor electrically connect the input of the ECU.
After employing above-mentioned technical proposal, the beneficial effects of the utility model are：
Due to being provided with cryogenic media pipeline, the cryogenic media pipe inside the air inlet pipe of gas engine air inlet temperature control system
Road has been respectively communicated with cryogenic media entrance pipeline and cryogenic media outlet pipeline, and the cryogenic media entrance pipeline is provided with first
Automatically controlled flow valve；Intake air temperature sensor is additionally provided with the air inlet pipe, is started described in the intake air temperature sensor electrical connection
The ECU of machine input, the output end of the ECU electrically connect the first automatically controlled flow valve, thus when in use, ECU according to
The measured value of intake air temperature sensor, judges whether intake air temperature is higher than setting value, is such as higher than setting value, is then sent by ECU
Signal, the aperture of the first automatically controlled flow valve of adjustment increase, and cryogenic media is entered cryogenic media pipe through cryogenic media entrance pipeline
In road, so as to carry out heat exchange with the gaseous mixture in air inlet pipe, make intake air temperature control within the specific limits；If intake air temperature
Less than setting value, then reduce the aperture of the first automatically controlled flow valve, intake air temperature is unlikely to too low, realize the closed loop of intake air temperature
Control.
Gas engine air inlet temperature control system provided by the utility model, ensure that gas engine in different environments
There can be controllable intake air temperature, ensure that engine power performance and economy.
Because the arrival end of the cryogenic media entrance pipeline connects the fuel gas temperature sensor and described second automatically controlled
The gas pipeline between flow valve, the port of export of the cryogenic media outlet pipeline connect the second automatically controlled flow valve and
The gas pipeline between the pressure regulator, thus cryogenic media is using the liquefied natural gas after vaporization so that air inlet temperature control
The structure of system is simple, compact.
Due to the fuel gas supply unit devise gas tank, vaporizer, fuel gas temperature sensor, the second automatically controlled flow valve,
Pressure regulator, cleaner and fuel control valve, the 3rd automatically controlled flow valve is installed on the cooling water pipeline；Thus work as intake air temperature
During higher than setting value, signal is sent by ECU, reduces the aperture of the second automatically controlled flow valve, while reduce the 3rd automatically controlled flow valve
Aperture, reduce the exchange capability of heat of vaporizer；If intake air temperature is less than setting value, the second automatically controlled flow valve of increase is opened
Degree, while increase the aperture of the 3rd automatically controlled flow valve.
Because the arrival end of the cryogenic media entrance pipeline connects the fuel gas temperature sensor and described second automatically controlled
The gas pipeline between flow valve, the port of export of the cryogenic media outlet pipeline connect the second automatically controlled flow valve and
The gas pipeline between the cleaner, thus cryogenic media is using the compressed natural gas after decompression so that air inlet temperature control
The structure of system is simple, compact.
Due to the fuel gas supply unit devise gas tank, pressure reducer, fuel gas temperature sensor, the second automatically controlled flow valve,
Cleaner and fuel control valve, the 3rd automatically controlled flow valve is installed on the cooling water pipeline；Thus set when intake air temperature is higher than
During definite value, signal is sent by ECU, reduces the aperture of the second automatically controlled flow valve, while reduces the aperture of the 3rd automatically controlled flow valve,
Reduce the exchange capability of heat of pressure reducer；If intake air temperature is less than setting value, increases the aperture of the second automatically controlled flow valve, increase simultaneously
The aperture of big 3rd automatically controlled flow valve.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment one；
Fig. 2 is the structural representation of the utility model embodiment two；
In figure：1- engines, 11- cooling-water temperature sensors, 2- air inlet pipe, 21- cryogenic media pipelines, 22- air-temperature sensings
Device, 3- gaseous mixture pipelines, it is cold in 4- after air duct, 51- gas tanks, 52- vaporizers, 53- fuel gas temperature sensors, 54- second
Automatically controlled flow valve, 55- pressure regulators, 56- cleaners, 57- fuel control valves, 58- fuel gas temperature pressure sensors, 59- pressure reducers,
6- cryogenic media entrance pipelines, 7- cryogenic media outlet pipelines, the first automatically controlled flow valves of 8-, 9- cooling water pipelines, the electricity of 10- the 3rd
Control flow valve；
Air flow after hollow arrow is cold in representing in figure；Overstriking hollow arrow represents combustion gas flow direction；Overstriking filled arrows
Represent mixed airflow to；Filled arrows represent coolant flow direction.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
Embodiment one
As shown in figure 1, a kind of gas engine air inlet temperature control system, including engine 1 and the air inlet on engine 1
Pipe 2, air inlet pipe 2 connect the outlet of gaseous mixture pipeline 3, air duct 4 and combustion after the entrance of gaseous mixture pipeline 3 is cold in connecting respectively
Gas feed unit, the inside of air inlet pipe 2 are provided with cryogenic media pipeline 21, and cryogenic media pipeline 21 has been respectively communicated with cryogenic media entrance
Pipeline 6 and cryogenic media outlet pipeline 7, cryogenic media entrance pipeline 6 are provided with the first automatically controlled flow valve 8.
Preferably, cryogenic media pipeline 21 includes the helical pipe (not shown) and rectilinear duct to link together
(not shown), rectilinear duct are located inside helical pipe, thus can increase the circulation of cryogenic gas by helical pipe
Area so that good effect of heat exchange.
Intake air temperature sensor 22 is additionally provided with air inlet pipe 2, intake air temperature sensor 22 electrically connects the ECU (figures of engine
Not shown in) input, ECU output end electrically connects the first automatically controlled flow valve 8.
Above-mentioned fuel gas supply unit includes gas tank 51, the vaporizer being sequentially connected in series by gas pipeline (not marked in figure)
52nd, fuel gas temperature sensor 53, the second automatically controlled flow valve 54, pressure regulator 55, cleaner 56 and fuel control valve 57.
In the present embodiment, compact in order that the structure of air inlet temperature control system is simple, cryogenic media entrance pipeline 6 enters
Gas pipeline between mouth end connection fuel gas temperature sensor 53 and the second automatically controlled flow valve 54, cryogenic media outlet pipeline 7
The port of export connects the gas pipeline between the second automatically controlled flow valve 54 and pressure regulator 55, and such cryogenic media is using the liquid after vaporization
Change natural gas.
Engine 1 forms coolant circuit by cooling water pipeline 9 and vaporizer 52, and water temperature biography is provided with engine 1
Sensor 11, the 3rd automatically controlled flow valve 10 is installed on cooling water pipeline 9.
Fuel gas temperature sensor 53 and cooling-water temperature sensor 11 electrically connect with ECU input respectively.
ECU output end is electrically connected the second automatically controlled 54 and the 3rd automatically controlled flow valve 10 of flow valve.
The gas pipeline of the entrance of fuel control valve 57 is provided with fuel gas temperature pressure sensor 58, fuel gas temperature pressure sensing
Device 58 electrically connects ECU input.
Its operation principle is as follows：
When in use, ECU judges whether intake air temperature is higher than setting value according to the measured value of intake air temperature sensor 22,
Such as it is higher than setting value, then signal is sent by ECU, the aperture of the first automatically controlled flow valve 8 of adjustment increases, and reduces the second automatically controlled flow
The aperture of valve 54, while reduce the aperture of the 3rd automatically controlled flow valve 10, reduce the exchange capability of heat of vaporizer 52, fuel gas temperature sensing
The outlet temperature of vaporizer 52 is fed back to ECU by device 53, and low temperature combustion gas enters cryogenic media pipeline 21 through cryogenic media entrance pipeline 6
It is interior, so as to carry out heat exchange with the gaseous mixture in air inlet pipe 2, make intake air temperature control within the specific limits；If intake air temperature
Less than setting value, then reduce the aperture of the first automatically controlled flow valve 8, increase the aperture of the second automatically controlled flow valve 54, while increase the
The aperture of three automatically controlled flow valves 10, makes intake air temperature be unlikely to too low, realizes the closed-loop control of intake air temperature.
Embodiment two
The present embodiment and embodiment one are essentially identical, and its difference is, as shown in Fig. 2 fuel gas supply unit includes
Gas tank 51, pressure reducer 59, fuel gas temperature sensor 53, the second automatically controlled stream being sequentially connected in series by gas pipeline (not marked in figure)
Measure valve 54, cleaner 56 and fuel control valve 57.
In the present embodiment, compact in order that the structure of air inlet temperature control system is simple, cryogenic media entrance pipeline 6 enters
Gas pipeline between mouth end connection fuel gas temperature sensor 53 and the second automatically controlled flow valve 54, cryogenic media outlet pipeline 7
The port of export connects the gas pipeline between the second automatically controlled flow valve 54 and cleaner 56, and such cryogenic media is using the pressure after decompression
Contracting natural gas.
Engine 1 forms coolant circuit by cooling water pipeline 9 and pressure reducer 59, and water temperature biography is provided with engine 1
Sensor 11, the 3rd automatically controlled flow valve 10 is installed on cooling water pipeline 9.
Fuel gas temperature sensor 53 and cooling-water temperature sensor 11 electrically connect with ECU input respectively.
ECU output end is electrically connected the second automatically controlled 54 and the 3rd automatically controlled flow valve 10 of flow valve.
Its operation principle is as follows：
When in use, ECU judges whether intake air temperature is higher than setting value according to the measured value of intake air temperature sensor 22,
Such as it is higher than setting value, then signal is sent by ECU, the aperture of the first automatically controlled flow valve 8 of adjustment increases, and reduces the second automatically controlled flow
The aperture of valve 54, while reduce the aperture of the 3rd automatically controlled flow valve 10, reduce the exchange capability of heat of pressure reducer 59, low temperature combustion gas is through low
Warm medium inlet pipeline 6 enters in cryogenic media pipeline 21, so as to carry out heat exchange with the gaseous mixture in air inlet pipe 2, makes air inlet
Temperature control is within the specific limits；If intake air temperature is less than setting value, reduce the aperture of the first automatically controlled flow valve 8, increase
The aperture of second automatically controlled flow valve 54, while increase the aperture of the 3rd automatically controlled flow valve 10, intake air temperature is unlikely to too low, it is real
The closed-loop control of existing intake air temperature.
It should be noted that above-mentioned gas tank 51, vaporizer 52, pressure reducer 59, cleaner 56 and fuel control valve 57, are
Techniques known, it will not be repeated here.
The gas engine air inlet temperature control system that the utility model embodiment provides, ensure that gas engine different
There can be controllable intake air temperature under environment, ensure that engine power performance and economy.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (4)
1. gas engine air inlet temperature control system, including engine and the air inlet pipe on the engine, the air inlet pipe
The outlet of gaseous mixture pipeline is connected, air duct and fuel gas supply list after the entrance of the gaseous mixture pipeline is cold in connecting respectively
Member, it is characterised in that be provided with cryogenic media pipeline inside the air inlet pipe, the cryogenic media pipeline has been respectively communicated with low temperature Jie
Matter inlet duct and cryogenic media outlet pipeline, the cryogenic media entrance pipeline are provided with the first automatically controlled flow valve；
Intake air temperature sensor is additionally provided with the air inlet pipe, the intake air temperature sensor electrically connects the ECU of the engine
Input, the output end of the ECU electrically connects the first automatically controlled flow valve.
2. gas engine air inlet temperature control system according to claim 1, it is characterised in that the fuel gas supply unit bag
Include the gas tank being sequentially connected in series by gas pipeline, vaporizer, fuel gas temperature sensor, the second automatically controlled flow valve, pressure regulator, filtering
Device and fuel control valve, the arrival end of the cryogenic media entrance pipeline connect the fuel gas temperature sensor and the described second electricity
The gas pipeline between flow valve is controlled, the port of export of the cryogenic media outlet pipeline connects the second automatically controlled flow valve
The gas pipeline between the pressure regulator；
The engine forms coolant circuit by cooling water pipeline and the vaporizer, and water temperature is provided with the engine
Sensor, the 3rd automatically controlled flow valve is installed on the cooling water pipeline；
The input of the fuel gas temperature sensor and the cooling-water temperature sensor respectively with the ECU electrically connects；
The output end of the ECU is electrically connected the described second automatically controlled flow valve and the 3rd automatically controlled flow valve.
3. gas engine air inlet temperature control system according to claim 1, it is characterised in that the fuel gas supply unit bag
Include the gas tank being sequentially connected in series by gas pipeline, pressure reducer, fuel gas temperature sensor, the second automatically controlled flow valve, cleaner and combustion
Expect control valve, the arrival end of the cryogenic media entrance pipeline connects the fuel gas temperature sensor and the described second automatically controlled flow
The gas pipeline between valve, the port of export of the cryogenic media outlet pipeline connect the second automatically controlled flow valve and described
The gas pipeline between cleaner；
The engine forms coolant circuit by cooling water pipeline and the pressure reducer, and water temperature is provided with the engine
Sensor, the 3rd automatically controlled flow valve is installed on the cooling water pipeline；
The input of the fuel gas temperature sensor and the cooling-water temperature sensor respectively with the ECU electrically connects；
The output end of the ECU is electrically connected the described second automatically controlled flow valve and the 3rd automatically controlled flow valve.
4. the gas engine air inlet temperature control system according to Claims 2 or 3, it is characterised in that the fuel control valve
The gas pipeline of entrance is provided with fuel gas temperature pressure sensor, described in the fuel gas temperature pressure sensor electrical connection
ECU input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720778724.8U CN206845351U (en) | 2017-06-29 | 2017-06-29 | Gas engine air inlet temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720778724.8U CN206845351U (en) | 2017-06-29 | 2017-06-29 | Gas engine air inlet temperature control system |
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| Publication Number | Publication Date |
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| CN206845351U true CN206845351U (en) | 2018-01-05 |
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| CN201720778724.8U Active CN206845351U (en) | 2017-06-29 | 2017-06-29 | Gas engine air inlet temperature control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120217A (en) * | 2017-06-29 | 2017-09-01 | 潍柴西港新能源动力有限公司 | Gas engine air inlet temperature control system |
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2017
- 2017-06-29 CN CN201720778724.8U patent/CN206845351U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120217A (en) * | 2017-06-29 | 2017-09-01 | 潍柴西港新能源动力有限公司 | Gas engine air inlet temperature control system |
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