CN201007658Y - Novel steering room instrument board panelboard system - Google Patents
Novel steering room instrument board panelboard system Download PDFInfo
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- CN201007658Y CN201007658Y CNU2006200432769U CN200620043276U CN201007658Y CN 201007658 Y CN201007658 Y CN 201007658Y CN U2006200432769 U CNU2006200432769 U CN U2006200432769U CN 200620043276 U CN200620043276 U CN 200620043276U CN 201007658 Y CN201007658 Y CN 201007658Y
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims abstract description 6
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- 239000001257 hydrogen Substances 0.000 claims description 55
- 229910052739 hydrogen Inorganic materials 0.000 claims description 55
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 52
- 239000012809 cooling fluid Substances 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 12
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- 230000000694 effects Effects 0.000 description 6
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- 150000002431 hydrogen Chemical class 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
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Abstract
The utility model provides a novel plane system of gage board of driving cabin, which comprises single or double gage board systems, wherein at least one gage board system is provided with a monitor board and control press-buttons. The monitor board, the controller of the fuel battery engine and an overall controller realize CAN bus communication. The input terminal of the CAN bus is connected with and selects the data or signals of operation parameter received and selected by each sensor and monitor. The data or the signals are transferred to liquid crystal display screen to drive the liquid crystal display screen accurately to be displayed on the monitor board after processing and transforming, and the control press-buttons are two emergency control press-buttons. By the utility model of the novel plane system of gage board of driving cabin, drivers can directly monitor the overall major parameter of fuel-battery-engine buses, automobiles and ships. Once some operation parameters deviate from normal ranges to incur malfunction or danger, manual intervention can be taken.
Description
Technical field
The utility model relates to fuel cell, relates in particular to a kind of novel bridge instrumentation card plate system.
Background technology
Fuel cell is the device that a kind of chemical energy that produces can be with fuel and oxygenant generation electrochemical reaction the time is transformed into electric energy.The core component of this device is membrane electrode (Membrane Electrode Assembly, be called for short MEA), membrane electrode can be made up of by conductive porous property diffusion material (as carbon paper) with two that are clipped in the film two sides a PEM, is evenly distributed with the catalyzer (as metal platinum) of the caused electrochemical reaction of tiny dispersion on two boundary surfaces that PEM contacts with conductive material.Draw by external circuit with the electronics that conductive body will take place to produce in the electrochemical reaction process on the membrane electrode both sides, has just constituted current return.
Anode tap at membrane electrode, fuel can pass poriness diffusion material (as carbon paper) by infiltration, and in catalyst surface generation electrochemical reaction, loses electronics and form positive ion, positive ion can pass PEM by migration, arrives the other end-cathode terminal of membrane electrode.Cathode terminal at membrane electrode, the gas (as air) that contains oxygenant (as oxygen), pass poriness diffusion material (as carbon paper) by infiltration, and in catalyst surface generation electrochemical reaction, obtain electronics and form negative ion, this negative ion further combines with the positive ion of coming from the anode tap migration, forms reaction product.
Be fuel with hydrogen, be in the Proton Exchange Membrane Fuel Cells of oxygenant (or be oxygenant with the pure oxygen) with the air that contains oxygen, fuel hydrogen loses the catalytic electrochemical reaction of electronics in the anodic site, form hydrogen positive ion (proton), its electro-chemical reaction equations is:
H
2→2H
++2e
Oxygen obtains the catalytic electrochemical reaction of electronics in the cathodic area, form negative ion, and this negative ion further combines with the hydrogen positive ion of coming from the anode tap migration, forms reaction product water.Its electro-chemical reaction equations is:
1/2O
2+2H
++2e→H
2O
PEM in the fuel cell is except the proton that is used for taking place electrochemical reaction and migration exchange reaction and produces, its effect comprises that also air-flow that will contain fuel hydrogen and the air-flow that contains oxygenant (oxygen) separate, and they can not mixed mutually and produces the explosion type reaction.
In typical Proton Exchange Membrane Fuel Cells, membrane electrode generally is placed between the pole plate of two conductions, all offers diversion trench on the two-plate, therefore is called guide plate again.On the surface that diversion trench is opened in membrane electrode contacts, mill formation at quarter by die casting, punching press or machinery, its quantity is at one or more.Guide plate can be made by metal material, also can be made by graphite material.The effect of the diversion trench on the guide plate is anodic site or the cathodic area that fuel or oxygenant is imported the membrane electrode both sides respectively.In the structure of a Proton Exchange Membrane Fuel Cells monocell, only there are a membrane electrode and two guide plates, two guide plate branches are located at the membrane electrode both sides, a guide plate as anode fuel, another is as the guide plate of cathode oxidant.These two guide plates also are the mechanical support on membrane electrode both sides both as current collector plate.Diversion trench on the guide plate is the passage that fuel or oxygenant enter the male or female surface, also is the exhalant canal that the water that generates in the battery operation process is taken away.
In order to increase the power of Proton Exchange Membrane Fuel Cells, the composition electric battery that usually mode of two or more monocells by straight folded mode or tiling connected together, or be called battery pile.This electric battery tightens together by front end-plate, end plate and pull bar usually and becomes one.In electric battery, the two sides of the pole plate between two PEMs all is provided with diversion trench, is called bipolar plates.The wherein one side of bipolar plates is as the anode guide face of a membrane electrode, and another side is then as the cathode diversion face of another adjacent membranes electrode.1), the import and the flow-guiding channel of fuel and oxidant gas a typical electric battery also comprises usually:.Its effect is that fuel (as hydrogen, methyl alcohol or the hydrogen-rich gas that obtained after reforming by methyl alcohol, rock gas, gasoline) and oxygenant (mainly being oxygen or air) are distributed in the diversion trench of each anode, cathode plane equably; 2), the import and export and the flow-guiding channel of cooling fluid (as water).Its effect is that cooling fluid is distributed in the cooling duct in each electric battery equably, absorbs the reaction heat that produces in the fuel cell and takes it out of electric battery and dispel the heat; 3), the outlet of fuel and oxidant gas and flow-guiding channel.Its effect is that the unnecessary fuel gas and the oxygenant that do not participate in reaction are discharged, and will react the liquid state of generation or the water of gaseous state simultaneously and take out of.Above-mentioned fuel is imported and exported, oxygenant is imported and exported and the import and export of cooling fluid all are opened on the end plate of fuel cell group usually or be opened in respectively on two end plates.
Proton Exchange Membrane Fuel Cells can be used as the power system of delivery vehicles such as car, ship, can be made into portable or fixed electricity generation system again.
Fuel cell generation generally is made up of following components: fuel cell pack, fuel hydrogen supply subsystem, air supply subsystem, cooling heat dissipation subsystem, autonomous control subsystem and electric energy output subsystem.
Fig. 1 be Shenli Science and Technology Co Ltd, Shanghai's " a kind of fuel cell that has device for controlling dynamically " (application for a patent for invention number: 200410016609.4, utility application number: a kind of 200420020471.0) realizes the dynamically fuel cell generation of control operation by the fuel battery engines watch-dog.This fuel cell generation comprises fuel cell pack 1, hydrogen cylinder 2, reduction valve 3, air strainer 4, air compression supplying device 5, water one vapour separator 6, water tank 7, water pump 8, heating radiator 9, hydrogen ebullator 10, the rotary humidifier 11 that can dynamically control the humidification degree in hydrogen road, the rotary humidifier 12 that can dynamically control the humidification degree in air road, rotary humidifier adjustable speed motor 13,13 ', hydrogen relative humidity sensor 14 on the hydrogen inlet pipeline, hydrogen temperature sensor 15 and pressure transducer 19, relative air humidity sensor 16 on the air in pipeline, air temperature sensor 17 and pressure transducer 20, cooling fluid temperature sensor 18 on the cooling fluid inlet ductwork and pressure transducer 21, hydrogen temperature sensor 22 on the hydrogen outlet pipeline and Hydrogen Vapor Pressure sensor 23, cooling fluid temperature sensor 24 on the cooling fluid export pipeline and cooling fluid pressure transducer 25, air temperature sensor 26 on the air out pipeline and air pressure probe 27, the operating voltage watch-dog 28 of fuel cell stack operation voltage and each monocell, fuel cell stack operation electric current monitor 29, switch 30 is cut off in load automatically, and hydrogen cuts off solenoid valve 31 automatically.
Above-mentioned fuel cell generation is followed following principle and principle:
A. the nominal operation temperature of the cooling fluid temperature sensor 18 on the permissible value of fuel cell pack 1 output power and the cooling fluid inlet ductwork is relevant, generally can find a kind of power to allow the relation of output valve and sensor 18 values, sensor 18 value is more near the nominal operation temperature, then allows output power big more or more near output rating;
B. the output power of fuel cell pack 1 with to the matching relationship of fuel cell supplied fuel hydrogen flowing quantity and air mass flow, press hydrogen metering and calculate, 2.0 calculating of air metering ratio than 1.2;
C. hydrogen relative humidity sensor 14 is relevant with the pressure of hydrogen temperature sensor 15, air temperature sensor 17 and hydrogen, air respectively with relative air humidity sensor 16, can find this kind gas flow to be issued to the relation curve of certain relative humidity at certain pressure, temperature conditions, in general, this gas flow is big more, temperature is high more, pressure is low more, the difficult more high rh value of this gas that reaches; On the contrary, this gas flow is more little, and temperature is low more, and pressure is high more, and this gas more easily reaches the high rh value of this gas;
D. rotary humidifier rotational speed is fast more, and temperature and the relative humidity of advancing the hydrogen of fuel cell or air are all high more.
Principle or principle according to above-mentioned fuel cell generation operation, adopt the fuel cell generation control subsystem, by temperature of fuel cell, output power demand are reached sensor 14,15,16,17,18 values are monitored and calculated, determine speed setting control to the electric rotating machine of rotary humidifier, and determine simultaneously control to hydrogen flowing quantity, air mass flow fuel cell pack to be realized under the power condition that any power output requires: 1. the related control of output power and working temperature; 2. the related control of output power and hydrogen flowing quantity, air mass flow (wherein hydrogen flowing quantity and air mass flow by the demanded power output metering than being respectively that 1.2,2.0 control hydrogen circulating pump motor rotating speeds and air pump motor rotating speed are realized); 3. hydrogen flowing quantity carries out dynamically control in parallel with realizing the motor speed that dynamic humidification is reconciled in the humidifying device of control accordingly respectively with air mass flow, makes hydrogen, air under any flow that enters in the fuel cell pack all keep best relative humidity (a certain numerical value in the middle of 70%～95%); 4. according to the situation of extraneous weather temperature and humidity, reconcile and control method the 3rd point together, and reach and the 3rd identical purpose.Final purpose is to make fuel cell pack realize high-effect operation and move that fuel cell pack not only can have best fuel efficiency, and can prolong mission life greatly under best operating condition under the power condition that any power output requires.
So the control subsystem in whole fuel battery engines or the whole generating system is vital to the operation of safe, high-effect and long-life that realizes fuel battery engines or electricity generation system.
Aspect safety guarantee; mainly be that the control subsystem of working as in fuel battery engines or the electricity generation system detects certain running parameter; can in time report to the police during as temperature, pressure, humidity, electric current, electric voltage exception; and carry out the self-protection of fuel battery engines simultaneously; as cutting off load, fuel shutoff hydrogen is supplied.
On the other hand when fuel cell generation uses as the function of test fuel cell heap performance or the service condition of fuel cell whole generating system diagnosed, all working parameter such as temperature, pressure, humidity, voltage, single battery voltage etc. must be monitored and show to the control subsystem in the fuel cell generation simultaneously.In order to optimize the service condition of fuel cell pack or whole fuel cell generation, the subsystem of whole generating system must can be revised any one temperature, pressure, humidity, electric current, voltage in the operation work at any time.
At present, the technology that the various running parameters of fuel cell generation operation are monitored mainly contains following two kinds: a kind of is when fuel cell generation uses as the function of test fuel cell heap performance, or when the service condition of fuel cell whole generating system diagnosed, monitor and control with computer system.For example: the patented technology of Shanghai supernatural power scientific ﹠ technical corporation (China Patent No.: 200410017449.5) can move various running parameters such as temperature, pressure, humidity, voltage, each single battery voltage etc. and monitor, and can directly control, revise to the some parameters in the operation condition of work to fuel cell generation.Another kind is to use as vehicle-mounted power system when fuel cell generation, or during as the packaged type power house, is directly realized monitoring and controlled by watch-dog.
Above-mentioned two kinds of technology that the various running parameters of fuel cell generation operation are monitored have following weak point:
1, moves various parameters as each single battery voltage in temperature, pressure, humidity, voltage, the fuel cell with computing machine system monitoring fuel cell generation, though it is relatively more directly perceived, but the equipment that computer system is relatively heavier often, at fuel cell generation during as power system such as vehicle-mounted, boat-carrying or as roving generating set, require fuel cell generation not only to want anti-vibration, and want easy, the lightweight of system, and computer system often can't reach requirement.
2, directly move various running parameters by watch-dog monitoring fuel cell generation, as: temperature, pressure, humidity, voltage, each single battery voltage in the fuel cell, sense not directly perceived.Whether fuel cell generation operation person can't be in normal condition to this system is at any time judged intuitively.Watch-dog is just reported to the police, is shut down when certain parameter reaches the dangerous limit in fuel cell generation operation running parameter often.Like this, the person knows that the individual fuel cell electricity generation system tends to improper process often can't to make the operation, has also lost the chance that running parameter is adjusted in artificial intervention.
In order to overcome above-mentioned weak point, Shenli Science and Technology Co Ltd, Shanghai once disclosed " fuel cell generation with operational factor function for monitoring " (application for a patent for invention number: 200410068064.1, utility application number: a kind of fuel cell generation 200420109753.8) with operational factor function for monitoring, comprise fuel cell pack and autonomous control subsystem, described autonomous control subsystem comprises the hydrogen relative humidity sensor that is arranged on the hydrogen inlet pipeline, temperature sensor and pressure transducer, be arranged on the relative air humidity sensor on the air in pipeline, temperature sensor and pressure transducer, be arranged on cooling fluid temperature sensor and pressure transducer on the cooling fluid inlet ductwork, be arranged on hydrogen temperature sensor and pressure transducer on the hydrogen outlet pipeline, be arranged on cooling fluid temperature sensor and pressure transducer on the cooling fluid export pipeline, be arranged on air temperature sensor and pressure transducer on the air out pipeline, and the operating voltage watch-dog of fuel cell stack operation voltage and each monocell and fuel cell stack operation electric current monitor; Described autonomous control subsystem also comprises cover operational factor MA monitoring agency as shown in Figure 2, and this operational factor MA monitoring agency comprises CAN bus 32, CAN interface singlechip control panel 33, liquid crystal display drive plate 34 and LCDs 35.The input end of CAN bus 32 connects each selected sensor and watch-dog receives selected work operational parameter data/signal and it is transferred to CAN interface singlechip control panel 33, CAN interface singlechip control panel 33 is gathered CAN interface data/signals and the conversion of data/signal format is transferred to liquid crystal display drive plate 34, and 34 pairs of various work operational factors of liquid crystal display drive plate are carried out being transferred to after data/signal Processing, the conversion LCDs 35 and driven LCDs and correctly show.
Though this cover system can be realized the visual supervisory control to the every selected operational factor of fuel cell generation, can be used as vehicle-mounted, boat-carrying power system easily again, or as the packaged type generating set, but the driver can't observation directly perceived and monitoring in the operation way.And traditional fuel engines big bus, car and ship etc., driver's panel board generally only shows the speed of a motor vehicle, engine speed, engine operating temperature and fuel tank oil reserve.Adopt big bus, tourist coach, car and the ship of fuel battery engines, above-mentioned panel board is inapplicable.
Summary of the invention
The purpose of this utility model is exactly a kind of novel bridge instrumentation card plate system that provides in order to address the above problem, by this system, the driver can monitor the major parameter of the car load work of fuel battery engines big bus, car and ship intuitively, in case some operational factor departs from normal range, can carry out manual intervention.
The purpose of this utility model is achieved in that a kind of novel bridge instrumentation card plate system, and this panel board panel system comprises single or two instrument panel system, and wherein at least one instrument panel system is provided with monitor board and control knob; It is characterized in that: the controller of described panel board monitor board and fuel battery engines and entire car controller are realized the CAN bus communication, the input end of CAN bus connects the selected hydrogen relative humidity sensor that is arranged on the hydrogen inlet pipeline that comprises, temperature sensor and pressure transducer, be arranged on the relative air humidity sensor on the air in pipeline, temperature sensor and pressure transducer, be arranged on cooling fluid temperature sensor and pressure transducer on the cooling fluid inlet ductwork, be arranged on hydrogen temperature sensor and pressure transducer on the hydrogen outlet pipeline, be arranged on cooling fluid temperature sensor and pressure transducer on the cooling fluid export pipeline, be arranged on air temperature sensor and pressure transducer on the air out pipeline, and the work operational parameter data/signal of the operating voltage watch-dog of fuel cell stack operation voltage and each monocell and fuel cell stack operation electric current monitor, the hydrogen gas leakage alarm is set, and it is transferred to CAN interface singlechip control panel, CAN interface singlechip control panel is gathered CAN interface data/signal and the conversion of data/signal format is transferred to the liquid crystal display drive plate, the liquid crystal display drive plate carries out data/signal Processing to various work operational factors, be transferred to LCDs driving LCDs after the conversion and correctly be presented on the panel board monitor board, described control knob is two emergency control buttons.
Described panel system directly places on driver's panel board.
Described LCDs is arranged on the panel board monitor board, and liquid crystal display drive plate and LCDs are the commercially available prod.
Described control knob comprises the emergency control button of fuel shutoff battery hydrogen solenoid supply valve and the fuel shutoff battery emergency control button to the bus-powered automatically controlled isolating switch of power.
Be provided with the system controlling software module in the described singlechip chip.
A kind of novel bridge instrumentation card plate system of the utility model makes it compared with prior art owing to adopted above-mentioned technical scheme, has following advantage and good effect:
1, the be in operation major parameter of car load work of fuel battery engines directly is presented on the panel board, the deviser can determine the displaying contents of panel board as required, and can mark the look demonstration to some running parameter that departs from normal condition, when some operational factor departs from normal range, when breaking down dangerous situation, but driver's visual supervisory control in time detects danger, ensures safety.
2, the driver can know at any time how many hydrogen fuels also has, and hydrogen gas sensor is housed, detect and report to the police at 1%～10% of the critical explosion ratio of hydrogen, panel is provided with emergency treatment button, can manual intervention also can carry out device, fuel shutoff battery high pressure hydrogen solenoid supply valve or cut off the bus-powered isolating switch of power by some of CAN bus.
Description of drawings
By the description of a following embodiment to a kind of novel bridge instrumentation card plate of the utility model system, can further understand the purpose of this utility model, specific structural features and advantage in conjunction with its accompanying drawing.Wherein, accompanying drawing is:
Fig. 1 is the basic composition synoptic diagram of the prior art fuel cell that has device for controlling dynamically;
Fig. 2 is the theory diagram that prior art has operational factor MA monitoring agency in the fuel cell generation of operational factor function for monitoring;
Fig. 3 is single panel board panel system interface synoptic diagram of the utility model embodiment;
Fig. 4 is two panel board panel system interface synoptic diagram of the utility model embodiment.
Embodiment
A kind of novel bridge instrumentation card plate of the utility model system, this panel system comprises panel board monitor board and control knob; The controller of described panel board monitor board and fuel battery engines and entire car controller are realized the CAN bus communication, the input end of CAN bus connects the selected hydrogen relative humidity sensor that is arranged on the hydrogen inlet pipeline that comprises, temperature sensor and pressure transducer, be arranged on the relative air humidity sensor on the air in pipeline, temperature sensor and pressure transducer, be arranged on cooling fluid temperature sensor and pressure transducer on the cooling fluid inlet ductwork, be arranged on hydrogen temperature sensor and pressure transducer on the hydrogen outlet pipeline, be arranged on cooling fluid temperature sensor and pressure transducer on the cooling fluid export pipeline, be arranged on air temperature sensor and pressure transducer on the air out pipeline, and the work operational parameter data/signal of the operating voltage watch-dog of fuel cell stack operation voltage and each monocell and fuel cell stack operation electric current monitor (installation site of above each sensor and watch-dog all as shown in Figure 1), and it is transferred to CAN interface singlechip control panel, CAN interface singlechip control panel is gathered CAN interface data/signal and the conversion of data/signal format is transferred to the liquid crystal display drive plate, and the liquid crystal display drive plate carries out data/signal Processing to various work operational factors, being transferred to LCDs driving LCDs after the conversion correctly is presented on the panel board monitor board.
Below by a specific embodiment a kind of novel bridge instrumentation card plate of the utility model system is described further.
A kind of 100KW fuel cell generation is as the power system of fuel cell big bus.The autonomous control subsystem of this fuel cell tourist coach adopts a cover operational factor MA monitoring agency to control all states such as the operation of car load, parking, starting.The length of the LCDs in this operational factor MA monitoring agency be 27cm, width be 2.7cm, highly for 19cm, weight is 3 kilograms, the panel board panel top that is placed on the tourist coach driver is driver's visual supervisory control just, this panel board can design on same panel (as shown in Figure 3) with conventional panel, also can be located at respectively on two panel boards (as shown in Figure 4).
In the present embodiment, can work out Control Software voluntarily in the CAN interface singlechip control panel, what and characteristics of the various parameters of this Control Software fuel cell operation of electric power system determine that the groundwork operational factor that display screen shows comprises fuel battery voltage, fuel cell current, fuel cell pack water outlet temperature, air exit temp, hydrogen working pressure, hydrogen cylinder pressure, cooling water pressure and monocell operating voltage etc.After these running parameters are monitored by each sensor in the electric generator using fuel battery system and watch-dog, transform through signal Processing, be transferred to CAN bus singlechip control panel with data mode, be transferred to the LCD drive plate again, and driving LCD LCDs shows, displaying contents as shown in Figure 3, this LCDs is arranged on driver's panel board panel, also be provided with two control knobs 36,37 on this panel, in case break down, can pass through control knob 36 cutoff high hydrogen solenoid valves, cut off to the bus-powered automatically controlled isolating switch of power by control knob 37.
Claims (4)
1. novel bridge instrumentation card plate system, this panel board panel system comprises single or two instrument panel system, wherein at least one instrument panel system is provided with monitor board and control knob; It is characterized in that: the controller of described panel board monitor board and fuel battery engines and entire car controller are realized the CAN bus communication, the input end of CAN bus connects the selected hydrogen relative humidity sensor that is arranged on the hydrogen inlet pipeline that comprises, temperature sensor and pressure transducer, be arranged on the relative air humidity sensor on the air in pipeline, temperature sensor and pressure transducer, be arranged on cooling fluid temperature sensor and pressure transducer on the cooling fluid inlet ductwork, be arranged on hydrogen temperature sensor and pressure transducer on the hydrogen outlet pipeline, be arranged on cooling fluid temperature sensor and pressure transducer on the cooling fluid export pipeline, be arranged on air temperature sensor and pressure transducer on the air out pipeline, and the work operational parameter data/signal of the operating voltage watch-dog of fuel cell stack operation voltage and each monocell and fuel cell stack operation electric current monitor, the hydrogen gas leakage alarm is set, and it is transferred to CAN interface singlechip control panel, CAN interface singlechip control panel is gathered CAN interface data/signal and the conversion of data/signal format is transferred to the liquid crystal display drive plate, the liquid crystal display drive plate carries out data/signal Processing to various work operational factors, be transferred to LCDs driving LCDs after the conversion and correctly be presented on the panel board monitor board, described control knob is two emergency control buttons.
2. a kind of novel bridge instrumentation card plate as claimed in claim 1 system, it is characterized in that: described LCDs is arranged on the panel board monitor board.
3. a kind of novel bridge instrumentation card plate as claimed in claim 1 system is characterized in that: described control knob comprises the emergency control button of fuel shutoff battery hydrogen solenoid supply valve and the fuel shutoff battery emergency control button to the bus-powered automatically controlled isolating switch of power.
4. a kind of novel bridge instrumentation card plate as claimed in claim 1 system is characterized in that: be provided with the system controlling software module in the described singlechip chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200432769U CN201007658Y (en) | 2006-06-27 | 2006-06-27 | Novel steering room instrument board panelboard system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200432769U CN201007658Y (en) | 2006-06-27 | 2006-06-27 | Novel steering room instrument board panelboard system |
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| Publication Number | Publication Date |
|---|---|
| CN201007658Y true CN201007658Y (en) | 2008-01-16 |
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ID=39003605
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200432769U Expired - Fee Related CN201007658Y (en) | 2006-06-27 | 2006-06-27 | Novel steering room instrument board panelboard system |
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| Country | Link |
|---|---|
| CN (1) | CN201007658Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022036827A1 (en) * | 2020-08-21 | 2022-02-24 | 黑龙江天有为电子有限责任公司 | Combined driving panel of car dashboard |
-
2006
- 2006-06-27 CN CNU2006200432769U patent/CN201007658Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022036827A1 (en) * | 2020-08-21 | 2022-02-24 | 黑龙江天有为电子有限责任公司 | Combined driving panel of car dashboard |
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