CN201884171U - Partition combined type oil tank - Google Patents
Partition combined type oil tank Download PDFInfo
- Publication number
- CN201884171U CN201884171U CN2010205747117U CN201020574711U CN201884171U CN 201884171 U CN201884171 U CN 201884171U CN 2010205747117 U CN2010205747117 U CN 2010205747117U CN 201020574711 U CN201020574711 U CN 201020574711U CN 201884171 U CN201884171 U CN 201884171U
- Authority
- CN
- China
- Prior art keywords
- reducing agent
- carbamide reducing
- casing
- fuel tank
- control box
- 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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model relates to a partition combined type oil tank, which is characterized in that one side of the oil tank is provided with a fuel oil tank body, a urea reducing agent tank body is welded in the middle of the oil tank, and an electrical control tank is fixed at the other side of the oil tank; the fuel oil tank body and the urea reducing agent tank body meet the following volume capacity relation: L1/L2=10-30, and the capacity L3 of the electrical control tank is equal to 120-150mm; one side of the electrical control tank is provided with a seaming end cover pinch plate. On the basis of the traditional automobile oil tank, by combining with the urea reducing agent tank and a urea reducing agent dosage control tank, one tank body has three functions; implementing a compact design is beneficial to the attractive design of a vehicle, reduces the installation of connecting pieces, simplifies the vehicle configuration and reduces the weight. The utility model not only can meet the operating requirement of selective catalytic reduction (SCR) standard above state 4 but also can reduce the system cost.
Description
Technical field
The utility model relates to a kind of separation combined type fuel tank, is applied to the reprocessing industry of vehicle exhaust.
Background technique
In the coming years, the car manufactures, particularly US and European in the whole world will forcibly be implemented some severeer specifications about the emission compliance aspect of automobile nitrogen oxide NOx and particulate PM, for example, and Europe V and Europe VI emission standard.
Under the pressure of Abgasgesetz, external automobile-used heavy-duty diesel engine just constantly carries out technology upgrading and improvement on the one hand, on the other hand, select appropriate post-processing technology strategy and equipment, for example, SCR (Selective Catalytic Reduction) catalyzed conversion reduction technique, DPF(Diesel Particulate Filter) particle trap, DOC(Diesel Oxidation Catalyst) oxidation catalyst etc.
The essence of SCR technology is to utilize urea at high temperature to decomposite NH
3, as the NH of reducing agent
3With the NO in the engine exhaust
xUnder the comprehensive function of catalyzer and temperature, react, generate nontoxic N under the desirable operating mode
2And H
2O, thus reach the purpose of purification.SCR has lot of advantages, for example, can have 50～85% NO in the scope of delivery temperature 250～550 C of diesel-oil vehicle
xRemove efficient, and can effectively reduce the emission level of PM; SCR can easily satisfy Europe IV and Europe V level, also has the potentiality that reach Europe VI level; Reach the SCR technology that the Europe IV adopts at present, the fuel oil consumption of motor can reduce by 3～6%; The SCR catalyzer does not contain precious metal, and cost is relatively low; SCR is to the quality of fuel oil for vehicles, and particularly Sulpher content is insensitive.Based on above analysis, the SCR post-processing technology is the vehicle condition and the fuel oil for vehicles situation of suitable China also.
If following apply the vehicle-mounted SCR post-processing technology, must resolve the vital technological difficulties such as atomized spray, SCR catalyzer conversion efficiency, ammonia amount of leakage of dosage, the carbamide reducing agent of carbamide reducing agent supply, carbamide reducing agent in China.
The SCR system of contrast offshore company, find it all is that notion with ' unit or module ' designs, for example, batching unit and control unit (DCU and ECU), promptly relevant signal measurement, feedback, control and actuator are integrated, help layout and installation on car load.But, the costing an arm and a leg of these unit.
Otherwise, if do not adopt the DCU and the ECU unit module of external import, and on the operator cabin and vehicle frame that the unit module of needed each function of SCR system or component are separately fixed at truck, not only take up room, and the layout of pipeline can seem in disorder, in addition, the fixing carriage of the carbamide reducing agent case 18kg that just weighs separately, the random layout of these unit modules or component is installed and is also easily produced reliability problems simultaneously.
Patent searching is found, is not also had patent of the same type to declare.
Summary of the invention
The purpose of this utility model is to provide a kind of separation combined type fuel tank, it is on the basis of traditional automotive oil tank, carbamide reducing agent case and carbamide reducing agent dosage control box in the combination make a casing possess 3 kinds of functions, realize the design of compactness, the design for aesthetic that helps vehicle, reduce the installation of link, simplify vehicle configuration, reduce weight, the usage requirement of the above SCR standard of state's IV can be satisfied, the cost of system can be reduced again.
The technical solution of the utility model is achieved in that separates the combined type fuel tank, by accurate filter, accurate gas solenoid valve, accurate pressure maintaining valve, control unit, the liquid precision solenoid valve, carbamide reducing agent pipe before the pump and behind the pump, the carbamide reducing agent casing, Steel Support, the carbamide reducing agent case lid, fuel tank lock, the carbamide reducing agent liquid level sensor, the fuel oil casing, the carbamide reducing agent discharge valve, the fuel oil discharge valve, assembled casing, the dosage pipe of carbamide reducing agent, power lead, the pressurized air supplying tube, the pressurized air output tube, temperature feedback signal line from catalytic converter, nitrogen oxide feedback signal line from catalytic converter, be input to the carbamide reducing agent liquid level warning signaling line of operator cabin, miniature liquid pump, the natural ventilation mouth, casing connects soldering point, seaming end cap buckle, electric control box constitutes; It is characterized in that: a side of fuel tank is the fuel oil casing, middle welding carbamide reducing agent casing, opposite side holding electrical control box; The volume capacity of fuel oil casing and carbamide reducing agent casing concerns L1/L2=10 ~ 30, the capacity L3=120 ~ 150mm of electric control box
3One side of electric control box is provided with seaming end cap buckle.
Be furnished with the fuel tank lock bottom on the described fuel tank and be provided with the fuel oil discharge valve.
The case bottom of described carbamide reducing agent case is carbamide reducing agent liquid level sensor and carbamide reducing agent discharge valve fixedly, and the top is provided with the carbamide reducing agent case lid.
Comprise gas-liquid electricity three tunnel in the described electric control box; The electric control box lower shoe is fixed with control unit, the input of the signal of control unit is from the temperature feedback signal line of catalytic converter with from the nitrogen oxide feedback signal line of catalytic converter, the control unit output signal is the voltage change that drives miniature liquid pump, regulate the magnitude of voltage of liquid precision solenoid valve, regulate the magnitude of voltage of accurate gas solenoid valve, and the carbamide reducing agent liquid level warning signaling line that is input to operator cabin.
Described electric control box connects the side that soldering point is connected the carbamide reducing agent case with casing, is fixedly connected with accurate filter, accurate gas solenoid valve, accurate pressure maintaining valve and liquid precision solenoid valve in the tank wall both sides respectively by Steel Support; Be arranged on the miniature liquid pump in the electric control box and connect before the pump and carbamide reducing agent Guan Yiduan behind the pump, its other end is located in the carbamide reducing agent casing.
The proportionate relationship of the height h1 of described carbamide reducing agent liquid level sensor and the height h2 of reducing agent casing is h1/h2=1/5; The carbamide reducing agent liquid level sensor is the conductivity type of double electrodes.
Described miniature liquid pump is gear pump or electromagnetic diaphragmpump.
Good effect of the present utility model is, adopt conventional automotive oil tank to carry out the transformation of structure, make it to become separation combined type fuel tank, be the integrated of fuel tank, carbamide reducing agent case and ECU (Electrical Control Unit) case, beautiful shape, convenient for maintaining has solved the installation and the Layout Problem of SCR system, more convenient realization industrial production has very high reliability and use value.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a left side of the present utility model structural representation.
Fig. 3 is a right side of the present utility model structural representation.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described: as Figure 1-3, separate the combined type fuel tank, by accurate filter 1, accurate gas solenoid valve 2, accurate pressure maintaining valve 3, control unit 4, liquid precision solenoid valve 5, carbamide reducing agent pipe 6 before the pump and behind the pump, carbamide reducing agent casing 7, Steel Support 8, carbamide reducing agent case lid 9, fuel tank lock 10, carbamide reducing agent liquid level sensor 11, fuel oil casing 12, carbamide reducing agent discharge valve 13, fuel oil discharge valve 14, assembled casing 15, the dosage pipe 15-1 of carbamide reducing agent, power lead 15-2, pressurized air supplying tube 15-3, pressurized air output tube 15-4, temperature feedback signal line 15-5 from catalytic converter, nitrogen oxide feedback signal line 15-6 from catalytic converter, be input to the carbamide reducing agent liquid level warning signaling line 15-7 of operator cabin, miniature liquid pump 16, natural ventilation mouth 17, casing connects soldering point 18, seaming end cap buckle 19, electric control box 20 constitutes; It is characterized in that: a side of fuel tank is a fuel oil casing 12, middle welding carbamide reducing agent casing 7, opposite side holding electrical control box 20; The volume capacity of fuel oil casing 12 and carbamide reducing agent casing 7 concerns L1/L2=10 ~ 30, the capacity L3=120 ~ 150mm of electric control box 20
3One side of electric control box 20 is provided with seaming end cap buckle 19.
Be furnished with fuel tank lock 10 bottoms on the described fuel tank and be provided with fuel oil discharge valve 14.
The case bottom of described carbamide reducing agent case 7 is carbamide reducing agent liquid level sensor 11 and carbamide reducing agent discharge valve 13 fixedly, and the top is provided with carbamide reducing agent case lid 9.
Comprise gas-liquid electricity three tunnel in the described electric control box 20; Electric control box 20 lower shoes are fixed with control unit 4, the input of the signal of control unit 4 is from the temperature feedback signal line 15-5 of catalytic converter with from the nitrogen oxide feedback signal line 15-6 of catalytic converter, control unit 4 output signals are the voltage changes that drive miniature liquid pump 16, regulate the magnitude of voltage of liquid precision solenoid valve 5, regulate the magnitude of voltage of accurate gas solenoid valve 2, and the carbamide reducing agent liquid level warning signaling line 15-7 that is input to operator cabin.
Described electric control box 20 usefulness casings connect the side that soldering point 18 is connected carbamide reducing agent case 7, are fixedly connected with accurate filter 1, accurate gas solenoid valve 2, accurate pressure maintaining valve 3 and liquid precision solenoid valve 5 in the tank wall both sides respectively by Steel Support 8; Be arranged on the miniature liquid pump 16 in the electric control box 20 and connect before the pump and carbamide reducing agent pipe 6 one ends behind the pump, its other end is located in the carbamide reducing agent casing 7;
The proportionate relationship of the height h1 of described carbamide reducing agent liquid level sensor 11 and the height h2 of reducing agent casing 7 is h1/h2=1/5; Carbamide reducing agent liquid level sensor 11 is conductivity types of double electrodes.
Described miniature liquid pump 16 is gear pump or electromagnetic diaphragmpump.
Selecting material as shown in Figure 1 is SUS304 or SUS441 corrosion resistant plate, its thickness is 1.2mm ~ 1.5mm, at first according to the manufacturing process of fuel tank of vehicle, cut out plate, punching, roll bending, be welded according to size, make fuel oil casing 12, carbamide reducing agent casing 7 and electric control box 20 respectively, wherein, fuel oil casing 12 and carbamide reducing agent casing 7 need be finished the sealing test of suppressing of 30min under the 0.08Mpa constant voltage, guarantee not have to leak; The volume ratio of fuel oil casing 12 and carbamide reducing agent casing 7 can adopt L1/L2 to decide, its range L 1/L2=10 ~ 30, when L1/L2=10, when fuel oil casing 12 and carbamide reducing agent casing 7 are filled it up with liquid simultaneously, even under state's 5 standards, the carbamide reducing agent consumption is 1/20 o'clock of fuel consumption, can the travel vehicle mileage of two casees fuel oils of one case carbamide reducing agent, this situation is more suitable in the rare zone of carbamide reducing agent filling station distribution, but the undue expansion of the size of L2 is nonsensical; When L1/L2=30, when fuel oil casing 12 and carbamide reducing agent casing 7 are filled it up with liquid simultaneously, even under state's IV standard, the carbamide reducing agent consumption is about 1/30 o'clock of fuel consumption, can the travel vehicle mileage of one case fuel oil of one case carbamide reducing agent, carbamide reducing agent and fuel oil can almost replenish filling simultaneously in the gas station, but, the size of L2 too reduces can bring new problem, and for the fuel tank of a gage length, its installing space on automobile is an almost fixed, for example, when L1/L2=40, the dimensions length of L2 is too small, the installation difficulty of case lid and liquid level sensor; Carbamide reducing agent case lid 9 on the carbamide reducing agent casing 7 can adopt special lid, one of its purpose is the difference of opening shape, to be different from circular hole on the fuel tank lock, prevent to add mutually between fuel oil and the carbamide reducing agent mistake, two of its purpose is unidirectional vent valves that combination has standard, so that can be in the carbamide reducing agent case can enter air by trace during the liquid negative pressure, regulate pressure, in order to avoid produce negative pressure; The drain pipe 6 of carbamide reducing agent and the liquid level sensor 11 of carbamide reducing agent are installed in bottom at carbamide reducing agent casing 7; The liquid level sensor 11 of carbamide reducing agent is the conductivity type sensor of double electrodes, when the proportionate relationship of the height h2 of the height h1 of carbamide reducing agent liquid level sensor 11 and reducing agent casing 7 just in time is h1/h2=1/5, resistance strengthens between the double electrodes, surpass after the setting, begin to report to the police, the prompting carbamide reducing agent need be added; Miniature liquid pump 16 is selected direct current gear pump or the diaphragm pump of 24V for use, so that be complementary with Vehicular accumulator cell; Control unit 4 also is to be power with the 24V Vehicular accumulator cell, built-in computer logic control program, dependence is from the temperature feedback signal line 15-5 of catalytic converter with from the nitrogen oxide feedback signal line 15-6 of catalytic converter, output signal is used for driving miniature liquid pump 16, synchronization regulation liquid precision solenoid valve 5 and accurate gas solenoid valve 2, and the carbamide reducing agent liquid level warning signaling line 15-7 that is input to operator cabin; The capacity of electric control box 20 is guaranteed by L3, considers the minimum profile size of the hard-wired element of wanting in the control box, and the space of the necessary minimum of L3 is L3=120, works as L2=150mm
3Also can finish the fixing of element and install, still, when the bulk of L2 bigger, L2=160mm for example
3The time, just caused the waste in space; Seaming end cap buckle 19 is to make according to the seaming technology of standard, need firmly be pressed into during installation, need knock separable gently from each edge seaming during dismounting; From this combination fuel tank back observation onboard is installed, fuel oil casing 12 arranges that onboard positions are apart from the distance of motor farthest, and carbamide reducing agent casing 7 and electric control box 20 arranges that onboard positions are nearest apart from motor, and this combined type fuel tank adopts carriage to be fixed on the vehicle frame; Carbamide reducing agent case lid 9 and fuel tank lock 10 are towards the outside, compartment; Finish the utility model with this thinking.
Claims (7)
1. separate the combined type fuel tank, by accurate filter, accurate gas solenoid valve, accurate pressure maintaining valve, control unit, the liquid precision solenoid valve, carbamide reducing agent pipe before the pump and behind the pump, the carbamide reducing agent casing, Steel Support, the carbamide reducing agent case lid, fuel tank lock, the carbamide reducing agent liquid level sensor, the fuel oil casing, the carbamide reducing agent discharge valve, the fuel oil discharge valve, assembled casing, the dosage pipe of carbamide reducing agent, power lead, the pressurized air supplying tube, the pressurized air output tube, temperature feedback signal line from catalytic converter, nitrogen oxide feedback signal line from catalytic converter, be input to the carbamide reducing agent liquid level warning signaling line of operator cabin, miniature liquid pump, the natural ventilation mouth, casing connects soldering point, seaming end cap buckle, electric control box constitutes; It is characterized in that: a side of fuel tank is the fuel oil casing, middle welding carbamide reducing agent casing, opposite side holding electrical control box; The volume capacity of fuel oil casing and carbamide reducing agent casing concerns L1/L2=10 ~ 30, the capacity L3=120 ~ 150mm of electric control box
3One side of electric control box is provided with seaming end cap buckle.
2. separation combined type fuel tank according to claim 1 is characterized in that being furnished with on the described fuel tank fuel tank lock bottom and is provided with the fuel oil discharge valve.
3. separation combined type fuel tank according to claim 1, the case bottom that it is characterized in that described carbamide reducing agent case is carbamide reducing agent liquid level sensor and carbamide reducing agent discharge valve fixedly, and the top is provided with the carbamide reducing agent case lid.
4. separation combined type fuel tank according to claim 1 is characterized in that comprising in the described electric control box gas-liquid electricity three tunnel; The electric control box lower shoe is fixed with control unit, the input of the signal of control unit is from the temperature feedback signal line of catalytic converter with from the nitrogen oxide feedback signal line of catalytic converter, the control unit output signal is the voltage change that drives miniature liquid pump, regulate the magnitude of voltage of liquid precision solenoid valve, regulate the magnitude of voltage of accurate gas solenoid valve, and the carbamide reducing agent liquid level warning signaling line that is input to operator cabin.
5. separation combined type fuel tank according to claim 1, it is characterized in that described electric control box connects the side that soldering point is connected the carbamide reducing agent case with casing, is fixedly connected with accurate filter, accurate gas solenoid valve, accurate pressure maintaining valve and liquid precision solenoid valve in the tank wall both sides respectively by Steel Support; Be arranged on the miniature liquid pump in the electric control box and connect before the pump and carbamide reducing agent Guan Yiduan behind the pump, its other end is located in the carbamide reducing agent casing.
6. separation combined type fuel tank according to claim 1 is characterized in that the proportionate relationship of the height h2 of the height h1 of described carbamide reducing agent liquid level sensor and reducing agent casing is h1/h2=1/5; The carbamide reducing agent liquid level sensor is the conductivity type of double electrodes.
7. separation combined type fuel tank according to claim 1 is characterized in that described miniature liquid pump is gear pump or electromagnetic diaphragmpump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205747117U CN201884171U (en) | 2010-10-25 | 2010-10-25 | Partition combined type oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205747117U CN201884171U (en) | 2010-10-25 | 2010-10-25 | Partition combined type oil tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201884171U true CN201884171U (en) | 2011-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205747117U Expired - Fee Related CN201884171U (en) | 2010-10-25 | 2010-10-25 | Partition combined type oil tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201884171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096492A (en) * | 2020-11-09 | 2020-12-18 | 山东艾泰克环保科技股份有限公司 | Integrated form urea case assembly |
-
2010
- 2010-10-25 CN CN2010205747117U patent/CN201884171U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096492A (en) * | 2020-11-09 | 2020-12-18 | 山东艾泰克环保科技股份有限公司 | Integrated form urea case assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20191025 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |