CN104653366A - Switch-pressure-regulated type fuel supply system of range-extended electric vehicle - Google Patents

Switch-pressure-regulated type fuel supply system of range-extended electric vehicle Download PDF

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Publication number
CN104653366A
CN104653366A CN 201510052003 CN201510052003A CN104653366A CN 104653366 A CN104653366 A CN 104653366A CN 201510052003 CN201510052003 CN 201510052003 CN 201510052003 A CN201510052003 A CN 201510052003A CN 104653366 A CN104653366 A CN 104653366A
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CN
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fuel
carburetor
end
supply system
connected
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CN 201510052003
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Chinese (zh)
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金达锋
王东
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清华大学苏州汽车研究院(吴江)
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Abstract

The invention provides a switch-pressure-regulated type fuel supply system of a range-extended electric vehicle. The switch-pressure-regulated type fuel supply system is used for solving the problem of the existing fuel supply systems that range extenders are arranged inflexibly or fuel pumps and carburetors are required to be strictly matched. The fuel supply system provided by the invention comprises a fuel tank, a fuel filter, a gasoline pump, an air filter, a carburetor, an engine cylinder and a pressure regulating switch, wherein one end of the fuel filter is connected with the fuel tank, and the other end of the fuel filter is connected with the gasoline pump; the gasoline pump is further connected with one end of the pressure regulating switch; the other end of the pressure regulating switch is connected with a first end of the carburetor; a second end of the carburetor is connected with the air filter, and a third end of the carburetor is connected with the engine cylinder. The system has the advantages that a range extender can be arranged relatively flexibly, and the gasoline pump and the carburetor are not required to be strictly matched; fuel supplying can be forcibly cut off as required, and the system has the characteristics of low cost and convenience in operation.

Description

一种増程式电动车开关调压式燃油供给系统 Zo one kind of electric vehicle program switching regulator type fuel supply system

技术领域 FIELD

[0001] 本发明涉及电动汽车领域,特别是指一种增程式电动车开关调压式燃油供给系统。 [0001] The present invention relates to the field of electric vehicles, and particularly to a switching regulator extended-type electric vehicle fuel supply system.

背景技术 Background technique

[0002]目前,增程式电动车的增程器一般采用小功率汽油机来给发电机发电,燃油供给系统一般有两种方案: [0002] Currently, extended-range extender electric vehicles generally use a small gasoline engine to generate electricity to power the generator, the fuel supply system are generally two options:

[0003] 第一种方案是增程器燃油供给系统的布置与摩托车相似,燃油箱布置在发动机上部,汽油在重力作用下经过滤清器进入化油器,并在化油器中雾化与空气混合形成可燃混合气。 [0003] The first embodiment is an increasing drive motorcycle arrangement is similar to the fuel supply system, fuel tank disposed above the engine, the fuel entering the carburetor through the filter by gravity, and atomized in the carburettor mixed with air to form a combustible mixture. 燃油箱与增程器集成到一起,体积大,不利于灵活布置。 The fuel tank is integrated with the extender together, bulky, for flexible arrangement. 由于电动汽车前机舱内有电机,增程器的布置空间非常有限,强行布置往往造成增程器、电机散热不良,拆装困难,甚至需要加高前机舱高度等。 Because electric motors in the front car cabin, range extender arrangement of space is very limited, often resulting in forced arranged range extender, motor cooling efficiency, disassembly difficult, even before the need for increasing the height of the cabin height.

[0004] 第二种方案是增程器燃油供给系统与老式化油器车的供油系统相似,燃油箱与发动机分开布置,油箱布置位置相对灵活。 [0004] The second scheme is extender carburetor fuel supply system with a vintage car is similar to the fuel supply system, the fuel tank is disposed separately from the engine, fuel tank arrangement position relatively flexible. 汽油经过油箱、油泵、燃油滤清器、油管等部件进入化油器,并在化油器中雾化与空气混合形成可燃混合气。 After gasoline tanks, pumps, fuel filters, tubing, etc. into the carburetor parts, atomized and mixed with air to form a combustible gas mixture in the carburetor. 需要加装油泵,而且油泵的泵油压力需要与化油器相匹配,如果泵油压力偏大会造成化油器浮子比规定位置高,燃油经济性变差;如果泵油压力偏小,会造成供油不足,甚至熄火等问题。 Require the installation of pumps and pump oil pressure pump and carburetor needs to match, if the partial pressure of the oil pump Assembly cause carburetor float higher than the predetermined position, fuel economy deteriorates; if pump oil pressure is too small, will cause oil supply shortage, or even turn off other issues.

[0005] 故急需一种燃油供给系统,既能使增程器布置相对灵活,无需严格进行油泵与化油器的匹配,又能在需要的时候强行切断供油,具有成本低廉,操作方便的特点。 [0005] Therefore, need for a fuel supply system, both the extender is disposed relatively flexible, without strictly match the carburetor oil pump, but also forcibly cut off the fuel supply when needed, with low cost, easy to operate features.

发明内容 SUMMARY

[0006] 为了解决现有燃油供给系统的增程器布置不灵活,或者需严格进行油泵与化油器的匹配的问题,本发明提供了一种增程式电动车开关调压式燃油供给系统,该系统既能使增程器布置相对灵活,无需严格进行油泵与化油器的匹配;又能在需要的时候强行切断供油,具有成本低廉,操作方便的特点。 [0006] In order to solve the conventional extender disposed in the fuel supply system is not flexible, or the pump should be strictly match carburetor problems, the present invention provides an extended-type switching regulator electric vehicle fuel supply system, this system not only makes extender disposed relatively flexible, without strictly match the pump and the carburetor; can forcibly cut off fuel when needed, with low cost, easy to operate features.

[0007] 本发明提供的一种增程式电动车开关调压式燃油供给系统,包括:燃油箱、燃油滤清器、汽油泵、空气滤清器、化油器、发动机气缸;还包括调压开关;所述燃油滤清器一端连接所述燃油箱,另一端连接所述汽油泵;所述汽油泵还与所述调压开关的一端连接;所述调压开关的另一端与所述化油器的第一端连接;所述化油器的第二端与所述空气滤清器连接,第三端与所述发动机气缸连接。 [0007] An extended-switching regulator type electric vehicle fuel supply system provided by the present invention, comprising: a fuel tank, fuel filter, fuel pump, an air cleaner, a carburetor, an engine cylinder; further comprising a voltage regulator a switch; the fuel filter end connected to the fuel tank, and the other end connected to the fuel pump; said fuel pump further connected to one end of said tap changer; the other end of the tap changer a first end connected to the oil separator; the carburetor second end connected to the air cleaner, a third terminal connected to the engine cylinders.

[0008] 其中,所述调压开关为普通的水龙头开关。 [0008] wherein the voltage regulator switches the switch is an ordinary faucet.

[0009] 其中,所述调压开关为专用调压阀。 [0009] wherein the switch is a dedicated pressure regulating valve regulator.

[0010] 其中,所述汽油泵的压力大于所述化油器所匹配的压力。 [0010] wherein said pressure is greater than said carburetor fuel pump matched pressure.

[0011] 其中,所述燃油箱、燃油滤清器、汽油泵、空气滤清器、化油器、发动机气缸、调压开关之间有连接关系的部件均通过油管相互连接。 [0011] wherein the member has a connection relation are interconnected by tubing between the fuel tank, fuel filter, fuel pump, an air cleaner, a carburetor, an engine cylinder, the switching regulator.

[0012] 本发明的上述技术方案的有益效果如下: [0012] Advantageous effects of the above aspect of the present invention are as follows:

[0013] 上述方案中,燃油箱与发动机分开布置,并通过在汽油泵和化油器之间增加调压阀,这样既能使增程器布置相对灵活,又能在设计供油系统时无需对油泵与化油器进行严格匹配,且需要的时候可以强行切断供油,具有成本低廉,操作方便的特点。 [0013] In the above-described embodiment, the fuel tank is disposed separately from the engine, and between the fuel pump and the carburetor through the pressure regulating valve increases, so that the extender is disposed both relatively flexible, but also in the design of the oil supply system without when the oil pump and the carburetor strictly match, and need to be forced to cut off oil supply, it has a low cost, easy to operate features.

附图说明 BRIEF DESCRIPTION

[0014]图1为本发明的一种增程式电动车开关调压式燃油供给系统的结构示意图。 The program structure diagram of an electric vehicle by a switching regulator of the fuel supply system of formula [0014] FIG. 1 of the present invention.

[0015][附图标记说明] [0015] [DESCRIPTION OF REFERENCE NUMERALS]

[0016] 1、燃油箱; [0016] 1, a fuel tank;

[0017] 2、燃油滤清器; [0017] 2, fuel filter;

[0018] 3、汽油泵; [0018] 3, fuel pump;

[0019] 4、空气滤清器; [0019] 4, the air cleaner;

[0020] 5、化油器; [0020] 5, the carburetor;

[0021] 6、发动机气缸; [0021] 6, the engine cylinders;

[0022] 7、调压开关。 [0022] 7, the switching regulator.

具体实施方式 detailed description

[0023] 为使本发明要解决的技术问题、技术方案和优点更加清楚,下面将结合附图及具体实施例进行详细描述。 [0023] For the present invention to solve the technical problem, technical solutions and advantages clearer, the accompanying drawings and will be described in detail specific embodiments.

[0024] 如图1为本发明的一种增程式电动车开关调压式燃油供给系统的结构示意图,该系统包括:燃油箱1、燃油滤清器2、汽油泵3、空气滤清器4、化油器5、发动机气缸6以及调压开关7。 [0024] The schematic structure of an extended-range electric vehicle type switching regulator of the fuel supply system 1 of the present invention, the system comprising: a fuel tank, fuel filter 2, fuel pump 3, an air cleaner 4 , the carburetor 5, 6 cylinder engine 7 and the tap changer. 其中,燃油滤清器2的一端连接燃油箱1,另一端连接汽油泵3 ;汽油泵3还与调压开关7的一端连接;调压开关7的另一端与化油器5的第一端连接;化油器5的第二端与空气滤清器4连接,第三端与发动机气缸6连接。 Wherein one end of the fuel filter 2 is connected to a fuel tank, fuel pump 3 connected to the other end; fuel pump 3 is also connected to one end 7 of the tap changer; a first end of the other end of the switching regulator 7 and the carburetor 5 ; a second end of the carburetor 5 is connected to an air cleaner 4, a third terminal connected to the engine cylinder 6.

[0025] 图1所示系统中,汽油泵3将油液从燃油箱I中吸出,经过燃油滤清器2和调压开关7进入化油器5,与空气滤清器4输出的空气混合形成可燃混合气并供给发动机。 [0025] The system shown in Figure 1, the fuel pump 3 oil sucked from the fuel tank I out, 2 through the fuel filter and regulator switch 7 into the carburetor 5, mixed with the air output of the air cleaner 4 and forming a combustible mixture supplied to the engine. 该燃油供给系统是对现有技术中第二种方案的改进,即在汽油泵的后面加装一个调压开关,可以起到调节系统压力和强制切断供油的功能。 The fuel supply system is an improvement over the prior art in the second embodiment, i.e., the installation of a fuel pump in the back of the switching regulator, can function regulate the system pressure and forced off the oil supply. 由于开关的存在,设计供油系统时无需对汽油泵与化油器进行严格匹配,只需选购泵油压力相对较大的汽油泵,然后通过手动调节开关的流通面积或其他方式调节实现对系统压力的调节,直到化油器浮子到达规定高度,并能充足供油为止。 Since no fuel pump and carburetor for an exact match present, the design of the fuel supply system switch, pump oil pressure is simply buy a relatively large fuel pump, then adjusted by manually adjusting the flow area of ​​the switch or of other forms of regulate the system pressure until it reaches a predetermined height carburetor bowl, and can supply sufficient so far. 由于初步选购油泵时,其泵油压力已经与化油器所需进油压力接近,所以调压过程可以很快完成。 Since the time of the initial purchase of pumps, which pump oil pressure has been with the carburetor into the oil pressure required to close, so the regulator process can be completed quickly.

[0026] 优选地,调压开关为普通的水龙头开关,成本低、耐用性好。 [0026] Preferably, the switching regulator as a normal taps, low cost, good durability.

[0027] 优选地,调压开关还可以选用专用调压阀。 [0027] Preferably, the switching regulator can also use a dedicated pressure regulating valve.

[0028] 优选地,汽油泵的泵油压力大于化油器所匹配的压力。 [0028] Preferably, the pump oil pressure fuel pump is greater than the pressure in the carburetor matched.

[0029] 优选地,燃油箱1、燃油滤清器2、汽油泵3、空气滤清器4、化油器5、发动机气缸6、调压开关7之间有连接关系的部件均通过油管相互连接。 1, 2, fuel pump 3, 4, the carburetor 5, 6, [0029] Preferably, the fuel tank fuel filter air cleaner of the engine cylinders between the switching regulator 7 are connected by pipe member relationship to each other connection.

[0030] 上述方案中,燃油箱与发动机分开布置,并通过在汽油泵和化油器之间增加调压阀,这样既能使增程器布置相对灵活,又能在设计供油系统时无需对油泵与化油器进行严格匹配,且需要的时候可以强行切断供油,具有成本低廉,操作方便的特点。 [0030] The above-described embodiment, the fuel tank and the engine are arranged separately, and by increasing the pressure regulating valve between the carburetor and the fuel pump, so that the extender is disposed both relatively flexible, but also in the design of the oil supply system without when the oil pump and the carburetor strictly match, and need to be forced to cut off oil supply, it has a low cost, easy to operate features.

[0031] 以上所述是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明所述原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。 [0031] The above embodiment is a preferred embodiment of the present invention, it should be noted that those of ordinary skill in the art, in the present invention without departing from the principles of the premise, can make various improvements and modifications of these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims (5)

  1. 1.一种增程式电动车开关调压式燃油供给系统,包括:燃油箱、燃油滤清器、汽油泵、空气滤清器、化油器、发动机气缸,其特征在于,还包括调压开关; 所述燃油滤清器一端连接所述燃油箱,另一端连接所述汽油泵;所述汽油泵还与所述调压开关的一端连接;所述调压开关的另一端与所述化油器的第一端连接;所述化油器的第二端与所述空气滤清器连接,第三端与所述发动机气缸连接。 An extended-switching regulator type electric vehicle fuel supply system, comprising: a fuel tank, fuel filter, fuel pump, an air cleaner, a carburetor, an engine cylinder, characterized by further comprising a switching regulator ; end connected to the fuel filter to the fuel tank, and the other end connected to the fuel pump; said fuel pump further connected to one end of said tap changer; the other end of the tap changer and the oils a first end of the connector; the carburetor second end connected to the air cleaner, a third terminal connected to the engine cylinders.
  2. 2.如权利要求1所述的增程式电动车开关调压式燃油供给系统,其特征在于,所述调压开关为普通的水龙头开关。 2. The switching regulator extended-electric vehicles Fuel supply system according to claim 1, wherein said voltage regulator is a conventional switch taps.
  3. 3.如权利要求1所述的增程式电动车开关调压式燃油供给系统,其特征在于,所述调压开关为专用调压阀。 The extended range of a switching regulator type electric vehicle fuel supply system as claimed in claim 3, wherein the switch is a dedicated pressure regulating valve regulator.
  4. 4.如权利要求1所述的增程式电动车开关调压式燃油供给系统,其特征在于,所述汽油泵的压力大于所述化油器所匹配的压力。 4. The switching regulator extended-electric vehicles Fuel supply system according to claim 1, wherein said pressure is greater than said carburetor fuel pump matched pressure.
  5. 5.如权利要求1所述的增程式电动车开关调压式燃油供给系统,其特征在于,所述燃油箱、燃油滤清器、汽油泵、空气滤清器、化油器、发动机气缸、调压开关之间有连接关系的部件均通过油管相互连接。 5. The switching regulator extended-electric vehicles Fuel supply system according to claim 1, wherein said fuel tank, fuel filter, fuel pump, an air cleaner, the carburetor, engine cylinders, there are connection relationship member are interconnected by tubing between the tap changer.
CN 201510052003 2015-01-30 2015-01-30 Switch-pressure-regulated type fuel supply system of range-extended electric vehicle CN104653366A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4513725A (en) * 1980-08-29 1985-04-30 Yamaha Hatsudoki Kabushiki Kaisha Device for supplying fuel to a pressure carburetor
JP2005226590A (en) * 2004-02-16 2005-08-25 Zama Japan Co Ltd Fuel pressure regulator of carburetor
CN202965992U (en) * 2012-12-05 2013-06-05 重庆和亚科技有限公司 Range extending device of small-sized range-extending electric vehicle
CN203283043U (en) * 2011-12-06 2013-11-13 耿军 Range increasing device of electric car
CN204532640U (en) * 2015-01-30 2015-08-05 清华大学苏州汽车研究院(吴江) Increase form electric motor car switch pressure regulating formula fuel feed system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4513725A (en) * 1980-08-29 1985-04-30 Yamaha Hatsudoki Kabushiki Kaisha Device for supplying fuel to a pressure carburetor
JP2005226590A (en) * 2004-02-16 2005-08-25 Zama Japan Co Ltd Fuel pressure regulator of carburetor
CN203283043U (en) * 2011-12-06 2013-11-13 耿军 Range increasing device of electric car
CN202965992U (en) * 2012-12-05 2013-06-05 重庆和亚科技有限公司 Range extending device of small-sized range-extending electric vehicle
CN204532640U (en) * 2015-01-30 2015-08-05 清华大学苏州汽车研究院(吴江) Increase form electric motor car switch pressure regulating formula fuel feed system

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