CN106979064A - Cold temperature control system and method in natural gas engine - Google Patents
Cold temperature control system and method in natural gas engine Download PDFInfo
- Publication number
- CN106979064A CN106979064A CN201710235607.1A CN201710235607A CN106979064A CN 106979064 A CN106979064 A CN 106979064A CN 201710235607 A CN201710235607 A CN 201710235607A CN 106979064 A CN106979064 A CN 106979064A
- Authority
- CN
- China
- Prior art keywords
- liquid
- cold
- caching
- heat
- temperature
- 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.)
- Pending
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000003345 natural gas Substances 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 201
- 238000010438 heat treatment Methods 0.000 claims description 17
- 238000007710 freezing Methods 0.000 claims description 9
- 230000008014 freezing Effects 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 238000005086 pumping Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 5
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005259 measurement Methods 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
- 238000011160 research Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/0493—Controlling the air charge temperature
-
- 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
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention discloses cold temperature control system and method in a kind of natural gas engine.Control system includes charge air cooler, heat caching case, cold caching case and controller etc., this control system can determine that hydrothermal solution supply or cold night are carried out to the liquid in charge air cooler supplies according to the actual condition of engine, by using the mode of cold temperature control in two grades, cold temperature in air inlet can be accurately controlled, no matter how the operating mode of engine changes, it can make the intake air temperature stabilization of engine in the number range of demand, up-down error is respectively no more than 0.5 degree Celsius.
Description
Technical field
The invention belongs to technical field of engines, and in particular to cold temperature control system and side in a kind of natural gas engine
Method.
Background technology
Natural gas engine requires very high to intake air temperature, generally requires control in 50 degrees centigrades, upper lower deviation
Several degrees Celsius, can all very big influence be caused to the power and moment of torsion of engine, so as to influence the performance of engine.Therefore entering
When row stand engine research, development is tested, it is intended that keep the intake air temperature of engine constant.
At present, when carrying out engine rig test, the intake method of natural gas engine is：Air passes through after supercharging
In cold preceding air inlet pipe enter charge air cooler, then by charge air cooler enter in cold rear escape pipe, enter finally into engine body internal reference
With burning, worked so as to complete whole air inlet.By taking rated speed 2100r/min engine as an example, in different operating modes
Under (i.e. different engine speed and different throttle openings), the air themperature into charge air cooler is different, and is entered
Air in charge air cooler with the liquid inside charge air cooler by carrying out after heat exchange, and its temperature can change a lot, so that
Cause the air temperature variations amplitude of therefrom cold rear escape pipe outflow larger, can not thus stablize the intake air temperature of engine,
Cause the intake air temperature fluctuating range of engine very big, reach more than 10 degrees Celsius.Cold temperature control system can not in such
Realize and Engine Inlet Temperature is automatically controlled under different operating modes, it is impossible to meet test use requirement.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of to enter natural gas engine according to different operating modes
Cold temperature control system in the high natural gas engine of gas temperature automatic adjustment, Engine Inlet Temperature control accuracy.
In order to solve the above technical problems, the technical scheme is that：
Cold temperature control system in natural gas engine, including：
Charge air cooler, the charge air cooler is provided be connected with booster in cold preceding air inlet pipe and be connected with cylinder
In cold rear escape pipe；Cold preceding intake air temperature sensor in being provided with described in cold preceding air inlet pipe, it is described in cold rear escape pipe
On be provided with cold rear air outlet temperature sensor；The charge air cooler be additionally provided with for heat exchange charge air cooler feed tube and in it is cold
Device drain pipe；
Heat caching case, the heat caching case is provided with the heat caching case feed tube connected with the charge air cooler drain pipe, institute
State and heat caching case liquid inlet control valve is provided with heat caching case feed tube, the heat caching case is provided with and the charge air cooler feed liquor
Heat caching liquid is provided with the heat caching case drain pipe of pipe connection, the heat caching case drain pipe, and to go out liquid temperature sensor and heat slow
Deposit case liquid control valve；Heat caching liquid is installed on the heat caching case drain pipe and liquid drive mechanism, the heat caching case is also
Provided with the caching liquid heating arrangements for heating caching liquid；
Cold caching case, the cold caching case is provided with the cold caching case feed tube connected with the charge air cooler drain pipe, institute
State and cold caching case liquid inlet control valve is provided with cold caching case feed tube, the cold caching case is provided with and the charge air cooler feed liquor
Cold caching liquid, which is provided with, on the cold caching case drain pipe of pipe connection, the cold caching case drain pipe goes out liquid temperature sensor and cold slow
Deposit case liquid control valve；Cold caching liquid is installed on the cold caching case drain pipe and liquid drive mechanism, the cold caching case is also
Provided with the caching liquid cooling body for cooling down caching liquid；
Controller, with it is described in cold preceding intake air temperature sensor, in cold rear air outlet temperature sensor, heat caching case enter hydraulic control
Valve processed, heat caching liquid, which go out liquid temperature sensor, heat caching case liquid control valve, heat caching liquid and goes out liquid drive mechanism, caching liquid, to be added
Heat engine structure, cold caching case liquid inlet control valve, cold caching liquid go out liquid temperature sensor, cold caching case liquid control valve and cold caching liquid
Go out liquid drive mechanism to be connected.
As preferred technical scheme, the heat caching liquid goes out liquid drive mechanism for electronic Water-pumping motor.
As preferred technical scheme, it is also electronic Water-pumping motor that the cold caching liquid, which goes out liquid drive mechanism,.
As preferred technical scheme, the caching liquid heating arrangements are the electrical heating for being arranged at the heat caching bottom portion
Device.
As preferred technical scheme, the caching liquid cooling body is the cooler being arranged in the cold caching case,
The cooler is connected with freezing liquid feed tube and freezing liquid drain pipe.
Present invention also offers cold temprature control method in the natural gas engine of said system, comprise the following steps：
Step 1: according to the actual condition of engine, obtaining the actual intake air temperature of charge air cooler, and set setting for charge air cooler
Determine intake air temperature；
Step 2: the setting intake air temperature of the actual intake air temperature of charge air cooler and charge air cooler is compared, if charge air cooler
Actual intake air temperature be less than charge air cooler setting intake air temperature, then perform step 3；If the actual intake air temperature of charge air cooler is high
In the setting intake air temperature of charge air cooler, then step 4 is performed；
Step 3: hydrothermal solution supply is carried out to the heat exchanger fluid in charge air cooler, so that control charge air cooler actually goes out temperature
Degree；
Step 4: carry out cold liquid supply to the heat exchanger fluid in charge air cooler, so that control charge air cooler actually goes out temperature
Degree.
Specific method is as follows：
(a) when engine is in small load condition, the actual intake air temperature of charge air cooler is relatively low, i.e. setting less than charge air cooler
When determining intake air temperature, cold caching case liquid inlet control valve and cold caching case liquid control valve are closed, controller cold preceding air inlet in
Temperature sensor, in cold rear air outlet temperature sensor, heat caching liquid go out the actual numbers of three temperature sensors of liquid temperature sensor
It is worth size, to caching liquid heating arrangements, heat caching case liquid inlet control valve and heat caching case liquid control valve open command, so as to control
Caching liquid temperature angle value is heated, and adjusts the aperture of heat caching case liquid inlet control valve and heat caching case liquid control valve to control flow
Size, the hydrothermal solution for going out liquid drive mechanism driving known temperature by heat caching liquid enters charge air cooler and carries out heat exchange with air, so that
Control the intake air temperature of engine；
(b) when engine is in high load working condition, the actual intake air temperature of charge air cooler is higher, i.e. setting higher than charge air cooler
When determining intake air temperature, heat caching case liquid inlet control valve and heat caching case liquid control valve are closed, controller cold preceding air inlet in
Temperature sensor, in cold rear air outlet temperature sensor, cold caching liquid go out the actual numbers of three temperature sensors of liquid temperature sensor
It is worth size, caches case liquid inlet control valve and cold caching case liquid control valve open command to cold, and adjust cold caching case and enter hydraulic control
The aperture of valve processed and cold caching case liquid control valve controls uninterrupted, and going out liquid drive mechanism by cold caching liquid drives cold liquid to enter
Enter charge air cooler and carry out heat exchange with air, so as to control the intake air temperature of engine.
By adopting the above-described technical solution, the invention has the advantages that：Control system is according to the reality of engine
Border operating mode to determine to carry out the liquid in charge air cooler hydrothermal solution supply, still supply by cold night, by using the side of cold temperature control in two grades
Formula, can accurately control cold temperature in air inlet, no matter how the operating mode of engine changes, can make engine enters temperature
Degree is stable in the number range of demand, and up-down error is respectively no more than 0.5 degree Celsius.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the structural representation of cold temperature control system in natural gas engine in the embodiment of the present invention；
Fig. 2 is the theory diagram of cold temprature control method in natural gas engine in the embodiment of the present invention.
In figure：
10- charge air coolers；Cold preceding air inlet pipe in 11-；Cold rear escape pipe in 12-；Cold preceding intake air temperature sensor in 13-；14-
In cold rear air outlet temperature sensor；15- charge air cooler feed tubes；16- charge air cooler drain pipes；
20- heat caching casees；21- heat caching case feed tubes；22- heat caching case liquid inlet control valves；23- heat caching casees go out liquid
Pipe；24- heat caching liquid goes out liquid temperature sensor；25- heat caching case liquid control valves；26- heat caching liquid goes out liquid drive mechanism；
The cold caching casees of 30-；The cold caching case feed tubes of 31-；The cold caching case liquid inlet control valves of 32-；33- is cold, and caching case goes out liquid
Pipe；34- is cold, and caching liquid goes out liquid temperature sensor；The cold caching case liquid control valves of 35-；36- is cold, and caching liquid goes out liquid drive mechanism；
37- freezing liquid feed tubes；38- freezing liquid drain pipes.
Embodiment
With reference to the accompanying drawings and examples, the present invention is expanded on further.In the following detailed description, only explanation is passed through
Mode describes some one exemplary embodiments of the present invention.Undoubtedly, one of ordinary skill in the art will recognize,
In the case of without departing from the spirit and scope of the present invention, described embodiment can be repaiied with a variety of modes
Just.Therefore, accompanying drawing and description are inherently illustrative, are not intended to limit the scope of the claims.
As depicted in figs. 1 and 2, cold temperature control system in natural gas engine, including：
Charge air cooler 10, the charge air cooler 10 is provided be connected with booster in cold preceding air inlet pipe 11 and and engine air
Cold rear escape pipe 12 in cylinder connection；Cold preceding intake air temperature sensor 13, is used in being provided with described in cold preceding air inlet pipe 11
In after monitoring supercharging in real time it is cold before intake air temperature, it is described in be provided with cold rear escape pipe 12 in cold rear air outlet temperature sensor
14, for monitoring the air outlet temperature after charge air cooler heat exchange；The charge air cooler 10 is additionally provided with the charge air cooler for heat exchange
Provided with common structures such as heat exchange fins inside feed tube 15 and charge air cooler drain pipe 16, charge air cooler, no longer it is described in detail；
Heat caching case 20, the heat caching case 20 is provided with the heat caching case feed liquor connected with the charge air cooler drain pipe 16
Be provided with heat caching case liquid inlet control valve 22 on pipe 21, the heat caching case feed tube 21, the heat caching case 20 be provided with
Heat caching liquid is provided with the heat caching case drain pipe 23 that the charge air cooler feed tube 15 is connected, the heat caching case drain pipe 23
Go out liquid temperature sensor 24 and heat caching case liquid control valve 25；Heat caching liquid is installed on the heat caching case drain pipe 23
Liquid drive mechanism 26, heat caching liquid, which goes out liquid drive mechanism 26, also to be set using electronic Water-pumping motor etc., the heat caching case 20
There is the caching liquid heating arrangements (not shown) for heating caching liquid, can such as use the conventional electrical heating knot of electrical heating wire
Structure, it is arranged at the bottom of the heat caching case, is no longer described in detail；
Cold caching case 30, the cold caching case 30 is provided with the cold caching case feed liquor connected with the charge air cooler drain pipe 16
Be provided with cold caching case liquid inlet control valve 32 on pipe 31, the cold caching case feed tube 31, the cold caching case 30 be provided with
Cold caching liquid is provided with the cold caching case drain pipe 33 that the charge air cooler feed tube 15 is connected, the cold caching case drain pipe 33
Go out liquid temperature sensor 34 and cold caching case liquid control valve 35；Cold caching liquid is installed on the cold caching case drain pipe 33
Liquid drive mechanism 36, cold caching liquid, which goes out liquid drive mechanism 36, can also use electronic Water-pumping motor, and the cold caching case 30 is additionally provided with
Caching liquid cooling body for cooling down caching liquid, such as sets cooler, the cooler is connected with the cold caching case
Freezing liquid feed tube 37 and freezing liquid drain pipe 38, can provide refrigeration source by freezing unit；
Controller (refers to Fig. 2), with it is described in cold preceding intake air temperature sensor 13, in cold rear air outlet temperature sensor 14,
Heat caching case liquid inlet control valve 22, heat caching liquid go out liquid temperature sensor 24, heat caching case liquid control valve 25, heat caching liquid and gone out
Liquid drive mechanism 26, caching liquid heating arrangements 27, cold caching case liquid inlet control valve 32, cold caching liquid go out liquid temperature sensor 34,
Cold caching case liquid control valve 35 goes out liquid drive mechanism 36 with cold caching liquid and is connected by signal wire or control line.
The basic control principle of this control system is：According to the actual condition of engine, cold preceding intake air temperature is passed in
Sensor 13, which is monitored, obtains the actual intake air temperature of charge air cooler 10, and controller is by the actual intake air temperature of charge air cooler and setting for charge air cooler
Determine intake air temperature to be compared, determine that hydrothermal solution supply or cold liquid are carried out to the heat exchanger fluid in charge air cooler supplies, so as to control
The actual air outlet temperature of charge air cooler processed, that is, control the intake air temperature of engine.
Below by taking rated speed 2100r/min engine as an example, specifically introduce cold in natural gas engine
Temprature control method.
In order to realize under different operating modes (i.e. different engine speed and different throttle openings), it is therefrom cold after go out
The air themperature that tracheae 12 flows out all maintains 50 degrees Celsius, it is necessary to determine it is to charge air cooler according to the actual condition of engine
Liquid in 10 carries out hydrothermal solution supply or the supply of cold night：
(a) when engine be in small load condition when, such as idling operation, now the actual intake air temperature of charge air cooler 10 compared with
Low, less than the setting intake air temperature of charge air cooler, cold caching case liquid inlet control valve 32 and cold caching case can now be gone out hydraulic control by system
Valve 35 processed is closed, controller in cold preceding intake air temperature sensor 13, in cold rear air outlet temperature sensor 14, heat caching liquid go out
The actual numerical value size of 24 3 temperature sensors of liquid temperature sensor, it is slow to caching liquid heating arrangements 27 (electrical heating wire), heat
Case liquid inlet control valve 22 and the open command of heat caching case liquid control valve 25 are deposited, so as to control heat caching liquid temperature angle value, and is adjusted
Heat caching case liquid inlet control valve 22 and heat cache the aperture of case liquid control valve 25 to control uninterrupted, and liquid is gone out by heat caching liquid
The hydrothermal solution of drive mechanism 26 (electronic Water-pumping motor) driving known temperature enters charge air cooler 10 and carries out heat exchange with air, so as to control
The intake air temperature of engine processed；
(b) when engine be in high load working condition when, such as declared working condition (2100r/min, 100% throttle), now in
The actual intake air temperature of cooler 10 is higher, higher than the setting intake air temperature of charge air cooler, and heat caching case can now be entered hydraulic control by system
Valve 22 processed and heat caching case liquid control valve 25 are closed, controller in cold preceding intake air temperature sensor 13, in cold rear outlet
Temperature sensor 14, cold caching liquid go out the actual numerical value size of 34 3 temperature sensors of liquid temperature sensor, to cold caching case
Liquid inlet control valve 32 and the cold open command of caching case liquid control valve 35, and adjust cold caching case liquid inlet control valve 32 and cold caching
The aperture of case liquid control valve 35 controls uninterrupted, and liquid drive mechanism 36 (electronic Water-pumping motor) driving is gone out by cold caching liquid
Cold 10 device carries out heat exchange with hotter air during cold liquid enters, so that the intake air temperature of engine is controlled, the cold preceding air inlet as in
Temperature sensor 13 measures 150 degrees Celsius of intake air temperature, in cold rear 60 degrees Celsius of 14 measurement temperature of air outlet temperature sensor, it is cold slow
Liquid storage goes out liquid temperature sensor 34 and tests cold 6 degrees Celsius of caching liquid temperature degree, then the intake air temperature mistake in now illustrating after cold control
Height, it is anti-that system adjusts the cold aperture for caching case liquid control valve 35 cold rear air outlet temperature sensor 14 in by internal algorithm
The value of feedback meets code requirement.
The purpose of the temperature adjustment of cold air inlet during this sample system is achieved that under different operating modes to natural gas engine,
Through actual measuring and calculating, the error for controlling intake air temperature is ± 0.5 DEG C, with very high control accuracy.
Schematical embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.It is any
Those skilled in the art, made equivalent variations and modification on the premise of the design of the present invention and principle is not departed from,
The scope of protection of the invention should be belonged to.
Claims (7)
1. cold temperature control system in natural gas engine, it is characterised in that including：
Charge air cooler, the charge air cooler is provided be connected with booster in cold preceding air inlet pipe and be connected with cylinder
Cold rear escape pipe；Cold preceding intake air temperature sensor in being provided with described in cold preceding air inlet pipe, it is described in set on cold rear escape pipe
Cold rear air outlet temperature sensor in being equipped with；The charge air cooler is additionally provided with to be gone out for the charge air cooler feed tube and charge air cooler of heat exchange
Liquid pipe；
Heat caching case, the heat caching case is provided with the heat caching case feed tube connected with the charge air cooler drain pipe, the heat
Heat caching case liquid inlet control valve is provided with caching case feed tube, the heat caching case is provided with to be connected with the charge air cooler feed tube
Heat caching liquid, which is provided with, on logical heat caching case drain pipe, the heat caching case drain pipe goes out liquid temperature sensor and heat caching case
Liquid control valve；Heat caching liquid is installed on the heat caching case drain pipe and liquid drive mechanism, the heat caching case is additionally provided with
Caching liquid heating arrangements for heating caching liquid；
Cold caching case, the cold caching case is provided with the cold caching case feed tube connected with the charge air cooler drain pipe, described cold
Cold caching case liquid inlet control valve is provided with caching case feed tube, the cold caching case is provided with to be connected with the charge air cooler feed tube
Cold caching liquid, which is provided with, on logical cold caching case drain pipe, the cold caching case drain pipe goes out liquid temperature sensor and cold caching case
Liquid control valve；Cold caching liquid is installed on the cold caching case drain pipe and liquid drive mechanism, the cold caching case is additionally provided with
Caching liquid cooling body for cooling down caching liquid；
Controller, with it is described in cold preceding intake air temperature sensor, in cold rear air outlet temperature sensor, heat caching case feed liquor control
Valve, heat caching liquid go out liquid temperature sensor, heat caching case liquid control valve, heat caching liquid and go out liquid drive mechanism, caching liquid heating
Mechanism, cold caching case liquid inlet control valve, cold caching liquid go out liquid temperature sensor, cold caching case liquid control valve and cold caching liquid and gone out
Liquid drive mechanism is connected.
2. cold temperature control system in natural gas engine as claimed in claim 1, it is characterised in that：The heat caching liquid goes out
Liquid drive mechanism is electronic Water-pumping motor.
3. cold temperature control system in natural gas engine as claimed in claim 1, it is characterised in that：The cold caching liquid goes out
Liquid drive mechanism is also electronic Water-pumping motor.
4. cold temperature control system in natural gas engine as claimed in claim 1, it is characterised in that：The caching liquid heating
Mechanism is the electric heater for being arranged at the heat caching bottom portion.
5. cold temperature control system in the natural gas engine as described in claim 1,2,3 or 4, it is characterised in that：It is described slow
Liquid storage cooling body is the cooler being arranged in the cold caching case, and the cooler is connected with freezing liquid feed tube and freezing
Liquid drain pipe.
6. cold temprature control method in natural gas engine, it is characterised in that comprise the following steps：
Step 1: according to the actual condition of engine, obtain the actual intake air temperature of charge air cooler, and set the setting of charge air cooler and enter
Temperature degree；
Step 2: the setting intake air temperature of the actual intake air temperature of charge air cooler and charge air cooler is compared, if the reality of charge air cooler
Border intake air temperature is less than the setting intake air temperature of charge air cooler, then performs step 3；If during the actual intake air temperature of charge air cooler is higher than
The setting intake air temperature of cooler, then perform step 4；
Step 3: hydrothermal solution supply is carried out to the heat exchanger fluid in charge air cooler, so as to control the actual air outlet temperature of charge air cooler；
Step 4: cold liquid supply is carried out to the heat exchanger fluid in charge air cooler, so as to control the actual air outlet temperature of charge air cooler.
7. cold temprature control method in natural gas engine as claimed in claim 6, it is characterised in that：Specific method is as follows：
(a) when engine is in small load condition, the actual intake air temperature of charge air cooler is relatively low, i.e., the setting less than charge air cooler is entered
When temperature is spent, cold caching case liquid inlet control valve and cold caching case liquid control valve are closed, controller cold preceding intake air temperature in
Sensor, in cold rear air outlet temperature sensor, heat caching liquid go out three temperature sensors of liquid temperature sensor actual numerical value it is big
It is small, to caching liquid heating arrangements, heat caching case liquid inlet control valve and heat caching case liquid control valve open command, so as to control heat
Liquid temperature angle value is cached, and adjusts the aperture of heat caching case liquid inlet control valve and heat caching case liquid control valve to control flow big
Small, the hydrothermal solution for going out liquid drive mechanism driving known temperature by heat caching liquid enters charge air cooler and carries out heat exchange with air, so as to control
The intake air temperature of engine processed；
(b) when engine is in high load working condition, the actual intake air temperature of charge air cooler is higher, i.e., the setting higher than charge air cooler is entered
When temperature is spent, heat caching case liquid inlet control valve and heat caching case liquid control valve are closed, controller cold preceding intake air temperature in
Sensor, in cold rear air outlet temperature sensor, cold caching liquid go out three temperature sensors of liquid temperature sensor actual numerical value it is big
It is small, to cold caching case liquid inlet control valve and cold caching case liquid control valve open command, and adjust cold caching case liquid inlet control valve
Uninterrupted is controlled with the aperture of cold caching case liquid control valve, going out liquid drive mechanism by cold caching liquid drives in cold liquid entrance
Cooler carries out heat exchange with air, so as to control the intake air temperature of engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710235607.1A CN106979064A (en) | 2017-04-12 | 2017-04-12 | Cold temperature control system and method in natural gas engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710235607.1A CN106979064A (en) | 2017-04-12 | 2017-04-12 | Cold temperature control system and method in natural gas engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106979064A true CN106979064A (en) | 2017-07-25 |
Family
ID=59344281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710235607.1A Pending CN106979064A (en) | 2017-04-12 | 2017-04-12 | Cold temperature control system and method in natural gas engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106979064A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979835A (en) * | 2018-09-05 | 2018-12-11 | 福州新亭宣机电技术有限公司 | A kind of diesel engine water device for cooling and water-cooling method |
| CN114810333A (en) * | 2022-05-17 | 2022-07-29 | 潍柴动力股份有限公司 | Control method and control system for air intake intercooler of engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697132A (en) * | 2014-12-12 | 2016-06-22 | 丰田自动车株式会社 | Control device for internal combustion engine |
| CN105874182A (en) * | 2014-01-06 | 2016-08-17 | 株式会社电装 | Intake air cooling device |
| JP2016217169A (en) * | 2015-05-15 | 2016-12-22 | いすゞ自動車株式会社 | Engine cooling device and engine cooling method |
| CN205990960U (en) * | 2016-08-17 | 2017-03-01 | 武汉博航动力系统技术有限公司 | A kind of stand alone type water-air intercooler intelligent temperature control cooling system |
| CN206625889U (en) * | 2017-04-12 | 2017-11-10 | 潍柴西港新能源动力有限公司 | Cold temperature control system in natural gas engine |
-
2017
- 2017-04-12 CN CN201710235607.1A patent/CN106979064A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105874182A (en) * | 2014-01-06 | 2016-08-17 | 株式会社电装 | Intake air cooling device |
| CN105697132A (en) * | 2014-12-12 | 2016-06-22 | 丰田自动车株式会社 | Control device for internal combustion engine |
| JP2016217169A (en) * | 2015-05-15 | 2016-12-22 | いすゞ自動車株式会社 | Engine cooling device and engine cooling method |
| CN205990960U (en) * | 2016-08-17 | 2017-03-01 | 武汉博航动力系统技术有限公司 | A kind of stand alone type water-air intercooler intelligent temperature control cooling system |
| CN206625889U (en) * | 2017-04-12 | 2017-11-10 | 潍柴西港新能源动力有限公司 | Cold temperature control system in natural gas engine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979835A (en) * | 2018-09-05 | 2018-12-11 | 福州新亭宣机电技术有限公司 | A kind of diesel engine water device for cooling and water-cooling method |
| CN108979835B (en) * | 2018-09-05 | 2024-02-13 | 福建林丰科技有限公司 | Water cooling device and water cooling method for diesel engine |
| CN114810333A (en) * | 2022-05-17 | 2022-07-29 | 潍柴动力股份有限公司 | Control method and control system for air intake intercooler of engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103499448B (en) | A kind of Engine Heat Balance performance engine bench test device and method | |
| AU2010278454B2 (en) | Coolant temperature controlling system for engine performance test | |
| CN106932202A (en) | A kind of Temperature-controlled appliance for being applied to engine test | |
| CN204212847U (en) | Cold constant temperature device in engine booster | |
| CN204440208U (en) | A kind of coolant temperature for engine rig test and volume control device | |
| CN103352752B (en) | There is the engine cooling and circulating system of shunting refrigerating function and corresponding vehicle | |
| CN107844139A (en) | Cold thermostat in car engine test stand high-precision analog | |
| CN102175714A (en) | Heat radiator and fan performance testing system | |
| CN103670653A (en) | Cooling system for vehicle engine and automobile with cooling system | |
| CN204212832U (en) | Engine motor oil constant temperature device | |
| CN207440640U (en) | Cold thermostat in car engine test stand high-precision analog | |
| CN109094330A (en) | A kind of automobile air conditioning heater system and control method | |
| CN206054091U (en) | Charge air cooler temperature control equipment and system | |
| CN106979064A (en) | Cold temperature control system and method in natural gas engine | |
| CN203756305U (en) | Constant-temperature device for cooling water of engine | |
| CN210513704U (en) | Circulating water temperature regulation control system for intercooler simulator | |
| CN111811825A (en) | Multifunctional engine cooling temperature control system and control method thereof | |
| CN104295359B (en) | Cold temperature control equipment and operational approach in a kind of electromotor | |
| CN205779198U (en) | A kind of automobile engine cooling intelligent control system | |
| CN206625889U (en) | Cold temperature control system in natural gas engine | |
| CN206772592U (en) | A kind of Temperature-controlled appliance applied to engine test | |
| CN107192558A (en) | A kind of engine exhaust emission test method and system for simulating real vehicle state | |
| CN208653804U (en) | A kind of EGR cooling experiment device | |
| CN106482955A (en) | The fuel oil constant temperature apparatus of diesel engine | |
| CN205333312U (en) | Engine starting's test system under simulated high -altitude environment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170725 |
|
| RJ01 | Rejection of invention patent application after publication |