CN108590854A - A kind of control method of dual fuel engine instrument and the dual fuel engine equipped with the instrument - Google Patents
A kind of control method of dual fuel engine instrument and the dual fuel engine equipped with the instrument Download PDFInfo
- Publication number
- CN108590854A CN108590854A CN201810526842.9A CN201810526842A CN108590854A CN 108590854 A CN108590854 A CN 108590854A CN 201810526842 A CN201810526842 A CN 201810526842A CN 108590854 A CN108590854 A CN 108590854A
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- Prior art keywords
- instrument
- engine
- dual fuel
- ecu
- cpu
- 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
- 239000000446 fuel Substances 0.000 title claims abstract description 64
- 230000009977 dual effect Effects 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000002347 injection Methods 0.000 claims abstract description 23
- 239000007924 injection Substances 0.000 claims abstract description 23
- 239000002737 fuel gas Substances 0.000 claims abstract description 21
- 239000003921 oil Substances 0.000 claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000010705 motor oil Substances 0.000 claims abstract description 8
- 239000002283 diesel fuel Substances 0.000 claims abstract description 7
- 239000000523 sample Substances 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 16
- 230000008054 signal transmission Effects 0.000 claims description 3
- 239000000567 combustion gas Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000012857 repacking Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008450 motivation Effects 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 239000000976 ink Substances 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007613 environmental effect Effects 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
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating or supervising devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D2041/228—Warning displays
-
- 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
- Y02T10/40—Engine management systems
Abstract
The invention discloses a kind of dual fuel engine instrument, it includes instrument housing, PCB circuit board is housed in the instrument housing, instrument CPU is housed in PCB circuit board, it is equipped on instrument housing and display screen, wiring harness interface is housed, the outer surface of instrument housing is equipped with mounting bracket in the posterior face of instrument housing.The invention also discloses a kind of control methods of dual fuel engine, it includes engine, above-mentioned dual fuel engine instrument is installed on engine, the engine is electrically connected with ECU, speed probe, engine oil pressure pickup, oil temperature sensor, water temperature sensor, gaseous-pressure sensor and the fuel gas injection valve of engine are all electrically connected with ECU, and ECU is electrically connected by wiring harness interface and harness with instrument CPU；Display screen can show that " diesel fuel mode " or " dual fuel mode " printed words and the corresponding engine operating parameter of display ensure that the normal operation of engine to realize to the real-time monitoring of the operating parameter of engine.
Description
Technical field
The present invention relates to a kind of dual fuel engine instrument and the controlling parties for the dual fuel engine for being equipped with the instrument
Method.
Background technology
Requirement with country to environmental protection is increasingly stringenter, and the clean energy resource of low emission is widelyd popularize, natural gas hair
The dual fuel engine market of motivation and diesel gas multifuel combustion is increasing.Original mechanical pump diesel engine without diesel oil ECU,
After repacking upper natural gas facility, electric signal can not be exported to diesel engine, thus diesel engine can not be monitored in real time（Engine）It is
The no state in which kind of fuel, i.e. mechanical pump dual fuel engine do not have diesel engine ECU, cannot achieve according to present technology
Real-time differentiation and monitoring to mechanical pump dual fuel engine operational mode.Existing market is after there are no a instrument to repacking
Dual fuel engine（Mechanical pump type）Every operating parameter carries out monitoring well and control, in order to realize that dual fuel engine exists
Pure diesel fuel mode and diesel gas dual fuel mode are safely and efficiently run, and we have developed a dual fuel engine liquid crystal
Instrument and corresponding control device, particularly with marine engine（Mechanical pump type）It can carry out monitoring well and control.
Certainly, existing electronic controlled diesel has the ECU of oneself, after repacking, the also ECU with natural gas facility itself, and this dual control
Structure is cumbersome, is not suitable for existing mechanical pump diesel engine.
Invention content
The invention solves first technical problem be to provide a kind of dual fuel engine instrument, a kind of double fuel hair
Motivation instrument solves conventional diesel engine（Mechanical pump type）Instrument be unable to monitor and show dual fuel engine gas pressure,
The problem of items engine parameter such as dual fuel.
In order to solve the above technical problems, a kind of dual fuel engine instrument provided includes instrument housing, structure is special
Point is：PCB circuit board is housed in the instrument housing, instrument CPU, the anterior face of instrument housing are housed in PCB circuit board
It is upper that the display screen being electrically connected with instrument CPU is housed, the harness that can be electrically connected with ECU is housed in the posterior face of the instrument housing
Interface and instrument CPU send corresponding signal to display screen after receiving the signal of ECU, and the outer surface of the instrument housing is equipped with peace
Fill holder.
The two sides of the instrument housing, which correspond to, is equipped with axis pin, and mounting bracket is U-shaped, two support arms suit of mounting bracket
The locking nut for locking the support arm is bolted on axis pin, on axis pin.
It is equipped with and the instrument CPU USB joints being electrically connected and RS485 interfaces on the instrument housing.
Equipped with the instrument speech horn being electrically connected with PCB circuit board on the instrument housing.
On the instrument housing equipped with the teletransmission data connector that is electrically connected with instrument CPU and by the teletransmission data connector with
And the multiple instrument display screens of teletransmission data line series connection.
Dual fuel engine instrument using the above structure is realized to the mechanical pump diesel engine after repacking（Form double combustions
Expect engine）Real time monitoring, and can be to the dual fuel engine in pure diesel fuel mode and diesel gas dual fuel mode
Parameters monitoring and control when operation, and can ensure that the normal fortune of engine with the operational mode of real-time display engine
Row；In addition, increasing USB jack on instrument housing, it can be achieved that the program to dual fuel engine liquid crystal instrument upgrades sum number
According to writing with a brush dipped in Chinese ink, keep it more intelligent；The instrument display screen of multiple simultaneous display identical datas can be concatenated, it can be in multiple positions
Dual fuel engine is monitored in real time, especially suitable for marine engine, control room must be stayed in without driver,
The other positions of hull also can get corresponding engine information.
The invention solves second technical problem be to provide a kind of control method of dual fuel engine, including start
Machine is equipped with above-mentioned dual fuel engine instrument on the engine, and the engine is electrically connected with ECU, the engine
Speed probe, engine oil pressure pickup, oil temperature sensor, water temperature sensor, gaseous-pressure sensor and combustion gas
Injection valve is all electrically connected with ECU, and ECU is electrically connected by wiring harness interface and harness with instrument CPU；
When fuel gas injection valve does not have fuel gas injection, its voltage signal is transferred to ECU, electricity of the ECU reception by fuel gas injection valve
After pressing signal analysis and processing, dual fuel engine instrument is sent in a manner of message, instrument CPU analyzes corresponding message letter
Breath, instrument CPU control display screens show " diesel fuel mode " printed words；
When fuel gas injection valve has fuel gas injection, its voltage signal is transferred to ECU, voltages of the ECU reception by fuel gas injection valve
After signal analysis and processing, dual fuel engine instrument is sent in a manner of message, instrument CPU analyzes corresponding message information,
Instrument CPU control display screens show " dual fuel mode " printed words；
ECU is by the speed probe of the engine received, engine oil pressure pickup, oil temperature sensor, water temperature sensor
And the signal of gaseous-pressure sensor sends instrument CPU to, instrument CPU control display screens show corresponding rotating speed, oil pressure
Power, oil temperature, water temperature and gas pressure force value, to realize the real-time monitoring to the operating parameter of engine.
The dual fuel engine instrument is aobvious by teletransmission data connector and at least one instrument of teletransmission data line series connection
The data of display screen, instrument display screen are consistent with the data of dual fuel engine instrument.
The high pressure alarm limits and low-pressure alarm limits of setting gaseous-pressure, gaseous-pressure pass in the instrument CPU
Sensor detects real-time gaseous-pressure in Gas Pipe, and in real time by electric signal transmission to ECU, ECU sends corresponding electric signal to
Instrument CPU, instrument CPU control display screens show corresponding gas pressure force value, and when the gaseous-pressure signal received exceeds high pressure
Range between alarm limits and low-pressure alarm limits, instrument CPU control display screens show " gaseous-pressure is low " or " gas pressure
The printed words of power height ", while instrument CPU control instrument speech horns send out alarm, to realize the real time monitoring to engine.
After the above method, the control method of this dual fuel engine is passed through using mechanical pump diesel engine as parent form machine
Install the real-time area of ECU and the realization of dual fuel engine instrument to mechanical pump dual fuel engine operational mode additional on a diesel engine
Divide and monitors；The present invention dexterously acquires the injection action of gas injector, exports corresponding electric signal, realizes both of which
It is real-time differentiation and monitoring；And it can show corresponding rotating speed, engine oil pressure, oil temperature, water temperature and gas pressure force value,
Reading is more intuitive, is convenient for driver's Overall Acquisition corresponding information, to realize the real-time prison to the operating parameter of engine
It surveys；The consistent display screen of multiple data can be set, so as in the real-time status of multiple position monitorings to engine, be convenient for
The manipulation of driver；By observing directly the printed words of " gaseous-pressure is low " or " gaseous-pressure high " of display screen, and listen
To the alarm of corresponding instrument speech horn, the safety of driving is considerably increased, ensure that the normal operation of engine.
Description of the drawings
The present invention will be further described below with reference to the drawings：
Fig. 1 is the structural schematic diagram of dual fuel engine instrument in the present invention；
Fig. 2 is the schematic diagram of display screen in Fig. 1；
Fig. 3 is the electrical schematic diagram of dual fuel engine instrument；
Fig. 4 is the flow chart of the control method of dual fuel engine in the present invention；
Fig. 5 is a kind of control principle drawing of dual fuel engine in the present invention.
Specific implementation mode
As shown in Figure 1 to Figure 3, the present invention provides a kind of embodiments of dual fuel engine instrument comprising meter housing
Body 1, the instrument housing 1 is interior to be equipped with PCB circuit board 2, and instrument CPU3, PCB circuit board and instrument are housed in PCB circuit board 2
The concrete structure of CPU and corresponding connection structure are all the prior art, and details are not described herein, the anterior face of instrument housing 1
Upper that the display screen 4 being electrically connected with instrument CPU3 is housed, the surface of the display screen can show corresponding oil above with reference to Fig. 2
The numerical value such as temperature, rotating speed, oil pressure, gaseous-pressure, water temperature, and can show the printed words of engine operation mode（It is shown in figure
For dual fuel mode）, can show multiple printed words, not just for as shown in the figure, not enumerate herein.The instrument housing
Posterior face on equipped with that can be received to the ECU wiring harness interfaces 12 being electrically connected and instrument CPU after the signal of ECU, transmissions is corresponding to be believed
Number give display screen, the outer surface of the instrument housing that mounting bracket 5 is housed, the two sides of the instrument housing, which correspond to, is equipped with axis pin,
Mounting bracket is U-shaped, and two support arms of mounting bracket are sleeved on axis pin, and the locking for locking the support arm is bolted on axis pin
Nut 6, above structure make mounting bracket form articulated structure, bottom edge that can be by mounting bracket and instrument with instrument housing
The bottom edge of shell effectively supports instrument housing, and can unclamp and screw locking nut, can adjust instrument housing
On display screen angles of display, person easy to operation more intuitively reads the data on display screen.
Shown in referring to figs. 1 to Fig. 3, on the instrument housing 1 equipped with the USB joint 8 that is electrically connected with instrument CPU and
RS485 interfaces 9, instrument CPU can be connect by the USB joint 8 with tools such as extraneous USB flash disks, can write with a brush dipped in Chinese ink and update number in time
According to RS485 interfaces 9 are for connecting 485 lines, and output meter message information is to ECU, and corresponding electric connection structure and principle are all
For the prior art, details are not described herein；Equipped with the instrument speech horn 10 being electrically connected with PCB circuit board on the instrument housing 1；
Instrument speech horn 10 can report corresponding engine operation mode and corresponding alarm etc.；It is filled on the instrument housing
There is the teletransmission data connector 11 being electrically connected with instrument CPU and is connected by the teletransmission data connector 11 and teletransmission data line multiple
Instrument display screen 7, you can multiple instrument display screens 7 are arranged, the concrete structure of instrument display screen 7 is with reference to figure 3 comprising control
Module and the display screen being electrically connected with control module, the corresponding signal of instrument CPU is received by teletransmission data line, aobvious
Show the corresponding data of screen display, naturally it is also possible to which the instrument display screen for using other structures no longer enumerates herein, increases
Add multiple positions to show the operating parameter of engine, is convenient for the reading of the multiple positions of driver.
As shown in Figure 4 and Figure 5, the present invention provides a kind of control methods of dual fuel engine comprising engine, hair
Motivation is not shown, and the dual fuel engine instrument of above structure is equipped on the engine, and the engine is electrically connected
It is connected to ECU, the electric connection structure and principle of ECU and engine are the prior art, and this will not be repeated here, the rotating speed of the engine
Sensor 20, engine oil pressure pickup 21, oil temperature sensor 22, water temperature sensor 23, gaseous-pressure sensor 24 and
Fuel gas injection valve 25 is all electrically connected with ECU, and ECU is electrically connected by wiring harness interface and harness with instrument CPU；
When fuel gas injection valve 25 does not have fuel gas injection, its voltage signal is transferred to ECU by fuel gas injection valve 25, and ECU is reception
Voltage signal analyzing processing after, be sent to dual fuel engine instrument in a manner of message, instrument CPU analyzes corresponding message
Information, instrument CPU control display screens show " diesel fuel mode " printed words；
When fuel gas injection valve has fuel gas injection, its voltage signal is transferred to ECU, voltages of the ECU reception by fuel gas injection valve
After signal analysis and processing, dual fuel engine instrument is sent in a manner of message, instrument CPU analyzes corresponding message information,
Instrument CPU control display screens show " dual fuel mode " printed words；
ECU is by the speed probe of the engine received, engine oil pressure pickup, oil temperature sensor, water temperature sensor
And the signal of gaseous-pressure sensor sends instrument CPU to, instrument CPU control display screens show corresponding rotating speed, oil pressure
Power, oil temperature, water temperature and gas pressure force value, to realize the real-time monitoring to the operating parameter of engine.
The dual fuel engine instrument is aobvious by teletransmission data connector and at least one instrument of teletransmission data line series connection
Show 7, an instrument display screen 7 of having connected in the present embodiment, the number of the data and dual fuel engine instrument of instrument display screen
According to consistent.The high pressure alarm limits and low-pressure alarm limits of setting gaseous-pressure in the instrument CPU, gaseous-pressure sensing
Device detects real-time gaseous-pressure in Gas Pipe, and in real time by electric signal transmission to ECU, ECU sends corresponding electric signal to instrument
Table CPU, instrument CPU control display screens show corresponding gas pressure force value, and when the gaseous-pressure signal received exceeds high pressure report
Range between alert limit value and low-pressure alarm limits, instrument CPU control display screens show " gaseous-pressure is low " or " gaseous-pressure
The printed words of height ", while instrument CPU control instrument speech horns send out alarm, to realize the real time monitoring to engine.
The present invention is not limited to the above embodiments, for those skilled in the art, based on the upper concrete structure of the present invention
Equivalent variations and method and step simple replacement it is all within the scope of the present invention.
Claims (8)
1. a kind of dual fuel engine instrument, including instrument housing, it is characterised in that：PCB circuits are housed in the instrument housing
Plate, is equipped with instrument CPU in PCB circuit board, equipped with the display screen being electrically connected with instrument CPU, institute in the anterior face of instrument housing
It is sent out after stating the signal for receiving ECU in the posterior face of instrument housing equipped with the wiring harness interface and instrument CPU that can be electrically connected with ECU
Send corresponding signal to display screen, the outer surface of the instrument housing is equipped with mounting bracket.
2. dual fuel engine instrument according to claim 1, it is characterised in that：The two sides of the instrument housing correspond to
Equipped with axis pin, mounting bracket is U-shaped, and two support arms of mounting bracket are sleeved on axis pin, are bolted on axis pin by the support arm
The locking nut of locking.
3. dual fuel engine instrument according to claim 1, it is characterised in that：It is equipped on the instrument housing and instrument
The USB joint and RS485 interfaces of CPU electrical connections.
4. dual fuel engine instrument according to claim 1, it is characterised in that：It is equipped on the instrument housing and PCB
The instrument speech horn of circuit board electrical connection.
5. the dual fuel engine instrument according to any one of claim 1-4, it is characterised in that：On the instrument housing
Equipped with the teletransmission data connector being electrically connected with instrument CPU and pass through the teletransmission data connector and the multiple instrument of teletransmission data line series connection
Table display screen.
6. a kind of control method of dual fuel engine, including engine, it is characterised in that：Installation is just like power on the engine
Profit requires the dual fuel engine instrument described in 1-5, the engine to be electrically connected with ECU, the revolution speed sensing of the engine
Device, engine oil pressure pickup, oil temperature sensor, water temperature sensor, gaseous-pressure sensor and fuel gas injection valve all with
ECU is electrically connected, and ECU is electrically connected by wiring harness interface and harness with instrument CPU；
When fuel gas injection valve does not have fuel gas injection, its voltage signal is transferred to ECU, electricity of the ECU reception by fuel gas injection valve
After pressing signal analysis and processing, dual fuel engine instrument is sent in a manner of message, instrument CPU analyzes corresponding message letter
Breath, instrument CPU control display screens show " diesel fuel mode " printed words；
When fuel gas injection valve has fuel gas injection, its voltage signal is transferred to ECU, voltages of the ECU reception by fuel gas injection valve
After signal analysis and processing, dual fuel engine instrument is sent in a manner of message, instrument CPU analyzes corresponding message information,
Instrument CPU control display screens show " dual fuel mode " printed words；
ECU is by the speed probe of the engine received, engine oil pressure pickup, oil temperature sensor, water temperature sensor
And the signal of gaseous-pressure sensor sends instrument CPU to, instrument CPU control display screens show corresponding rotating speed, oil pressure
Power, oil temperature, water temperature and gas pressure force value, to realize the real-time monitoring to the operating parameter of engine.
7. the control method of dual fuel engine according to claim 6, it is characterised in that：The dual fuel engine instrument
Table is fired by teletransmission data connector and at least one instrument display screen of teletransmission data line series connection, the data of instrument display screen with double
Expect that the data of engine instruments are consistent.
8. the control method of dual fuel engine according to claim 6, it is characterised in that：Setting in the instrument CPU
The high pressure alarm limits and low-pressure alarm limits of gaseous-pressure, gaseous-pressure sensor detect real-time combustion gas in Gas Pipe
Pressure, and in real time by electric signal transmission to ECU, ECU sends corresponding electric signal to instrument CPU, and instrument CPU control display screens are aobvious
Show corresponding gas pressure force value, and when the gaseous-pressure signal received exceeds between high pressure alarm limits and low-pressure alarm limits
Range, instrument CPU control display screens show the printed words of " gaseous-pressure is low " or " gaseous-pressure high ", while instrument CPU controls
Instrument speech horn sends out alarm, to realize the real time monitoring to engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810526842.9A CN108590854A (en) | 2018-05-26 | 2018-05-26 | A kind of control method of dual fuel engine instrument and the dual fuel engine equipped with the instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810526842.9A CN108590854A (en) | 2018-05-26 | 2018-05-26 | A kind of control method of dual fuel engine instrument and the dual fuel engine equipped with the instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108590854A true CN108590854A (en) | 2018-09-28 |
Family
ID=63629871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810526842.9A Pending CN108590854A (en) | 2018-05-26 | 2018-05-26 | A kind of control method of dual fuel engine instrument and the dual fuel engine equipped with the instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108590854A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120098A (en) * | 2020-03-31 | 2020-05-08 | 潍柴重机股份有限公司 | Dual-fuel mode display and communication method and system |
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| CN1470753A (en) * | 2002-07-25 | 2004-01-28 | 天津大学 | Thin-combustion, port-sequence-injection, fully electric-controlled diesel/natural gas electronic control system for dual-fuel engine |
| US20060021604A1 (en) * | 2004-02-03 | 2006-02-02 | Cssm Holdings Pty Ltd | Fuel control system for a dual fuel internal combustion engine |
| CN101337509A (en) * | 2008-08-18 | 2009-01-07 | 上海华普汽车有限公司 | Combination meter device |
| CN201922949U (en) * | 2010-11-04 | 2011-08-10 | 奇瑞汽车股份有限公司 | Combined instrument of automobile |
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| CN103628991A (en) * | 2013-11-20 | 2014-03-12 | 镇江恒驰科技有限公司 | Marine diesel oil-LNG dual-fuel engine management system detection device and method |
| CN103967610A (en) * | 2014-05-08 | 2014-08-06 | 江苏恩达通用设备有限公司 | Novel dual fuel engine monitoring instrument |
| CN209100140U (en) * | 2018-05-26 | 2019-07-12 | 潍柴重机股份有限公司 | A kind of dual fuel engine instrument |
-
2018
- 2018-05-26 CN CN201810526842.9A patent/CN108590854A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1470753A (en) * | 2002-07-25 | 2004-01-28 | 天津大学 | Thin-combustion, port-sequence-injection, fully electric-controlled diesel/natural gas electronic control system for dual-fuel engine |
| US20060021604A1 (en) * | 2004-02-03 | 2006-02-02 | Cssm Holdings Pty Ltd | Fuel control system for a dual fuel internal combustion engine |
| CN101337509A (en) * | 2008-08-18 | 2009-01-07 | 上海华普汽车有限公司 | Combination meter device |
| CN201922949U (en) * | 2010-11-04 | 2011-08-10 | 奇瑞汽车股份有限公司 | Combined instrument of automobile |
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| CN111120098A (en) * | 2020-03-31 | 2020-05-08 | 潍柴重机股份有限公司 | Dual-fuel mode display and communication method and system |
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Application publication date: 20180928 |