CN201296153Y - Vehicle liquid gas and fuel heater - Google Patents

Abstract

The utility model provides a liquid gas and fuel oil heater for vehicles, which comprises a heat exchanger, a burner and a controller. The open end of the heat exchanger is connected to one end of the connecting body of the burner; Annular cavity, water inlet, water outlet, water temperature sensor, overheat sensor and exhaust port; the burner includes a combustion chamber, a gas supply device, a fuel supply device, an air distribution device, an ignition device and a connecting body, and the combustion chamber is set in a heat exchange The air distribution device is installed at the other end of the connecting body. The combustion chamber is provided with an annular gas channel formed by the guide body and the upper body of the guide. The fuel supply device includes a fuel pump and a fuel injection unit. The mouth is connected with a fire sensor installed on the outer wall; each electrical component is connected with the controller. The utility model can use two energy sources of gas fuel and fuel oil, has strong versatility, can reduce sewage discharge by more than 8%, and can increase economic efficiency by more than 15%.

Description

Combustion gas of a kind of Vehicular liquid formula and fule heater

Technical field

The utility model relates to a kind of liquid-type temperature booster that is used for heating in the car, defrosting, cold start-up, belongs to automobile-used heating arrangement technical field.

Background technology

Fule heater has been widely used in the heating under low temperature environment of various conveying mechanicals such as automobile, vessel, defrost, cold start etc. as a kind of independently heating plant.Serious day by day along with the in short supply day by day and atmospheric contamination of fuel oil, many automobiles are used economy and the better gaseous fuel of emission behavior instead, especially city bus and taxicar have the great amount of fuel oil car to use or used instead compression natural gas or autogas instead, it is also imperative to use gaseous fuel for the fuel oil for vehicles temperature booster instead, and present fuel oil for vehicles heater structure also is not suitable for gaseous fuel.

Summary of the invention

The utility model is at the problem of the inadaptability in structure gaseous fuel of existing fuel oil for vehicles temperature booster, but the combustion gas of Vehicular liquid formula and the fule heater of a kind of not only burning gaseous fuel but also fuel oil are provided.

Vehicular liquid formula of the present utility model combustion gas and fule heater be by the following technical solutions:

This Vehicular liquid formula combustion gas and fule heater comprise H Exch, burner section and controller, and burner section is sleeved in the H Exch, and the open end of H Exch is connected connector one end of burner section; The H Exch wall is provided with toroidal cavity, be provided with spiral flow deflector in the cavity, the internal face of H Exch is provided with radiating gill, the exhausr port that outside wall surface is provided with water inlet, air bleeder screw plug, water outlet, drain screw, cooling-water temperature sensor and overheat sensor and is communicated with the H Exch inner chamber, water-circulating pump is equipped with in the water inlet; Burner section comprises combustion chamber, the fuel gas supply device, fuel supply device, air distribution device, ignition device and connector, combustion chamber is sleeved in the H Exch, and be connected an end of connector, air distribution device is installed in the other end of connector, be provided with the annular fuel gas road that forms by baffle body and baffle upper body in the combustion chamber, the baffle upper body is connected on the baffle body, be evenly equipped with admission port on the wall of baffle body, the fuel gas injection mouth that is evenly equipped with air inlet duct on the baffle upper body and communicates with the annular fuel gas road, the baffle upper body is connected with the fuel gas supply device, fuel supply device comprises the fuel charger that is installed in the connector and is connected spraying nipple on the fuel charger by solenoid fuel injection valve, on the fuel charger end cap ignition electrode is housed, ignition electrode is connected with the high-tension coil of ignition device, the shared electrical motor of fuel charger and air distribution device is equipped with the sensor that catches fire on the connector outer wall; Each electric component all is connected with controller.

Combustion chamber is by locating bush, the little tube of combustion barrel and combustion chamber is formed, the little jacket casing of combustion chamber is contained in the combustion barrel, be connected together on the end face of locating bush, the afterbody of the little tube of combustion chamber is welded with taper backflow cover, the internal face of locating bush is provided with taper baffle body, be evenly distributed with tangential admission mouth and axial auxiliary inlet port on the taper wall of baffle body, be connected with the baffle upper body on the baffle body, be provided with the annular fuel gas road between baffle body and the baffle upper body, baffle is welded with speaking trumpet on the upper body, the end face of speaking trumpet circumferentially is evenly equipped with air inlet duct, the aditus laryngis place of baffle upper body is provided with the fuel gas injection mouth that communicates with the annular fuel gas road, also is provided with the gas kitchen pipe joint that communicates with the annular fuel gas road on the baffle upper body.

Air distribution device comprises combustion-supporting fan and combustion-supporting cooling fan motor, and fan electromotor is installed in the left end of connector, and the outside of fan and motor is with wind scooper, and air regulating board is equipped with at the front end ventilation inlet place of wind scooper.

The utility model is provided with fuel gas supply device and fuel supply device, can using gases fuel and two kinds of energy of fuel oil, and highly versatile blowdown is reduced more than 8%, and economy can improve more than 15%.

Description of drawings

Accompanying drawing is a structural representation of the present utility model.

Among the figure, 1, air regulating board, 2, combustion gas is by flow valve, 3, oil return pipe, 4, coupler, 5, controller, 6, electrical motor, 7, wind scooper, 8, combustion-supporting fan, 9, Gas Pipe, 10, high-tension coil, 11, fuel charger, 12, connector, 13, steady ring, 14, locating bush, 15, gas kitchen pipe joint, 16, the baffle upper body, 17, the baffle body, 18, air bleeder screw plug, 19, water inlet, 20, cooling-water temperature sensor, 21, overcoat, 22, the fuel gas injection mouth, 23, combustion chamber, 24, interior cover, 25, U type radiating gill, 26, overheat sensor, 27, water outlet, 28, outer stifled, 29, interior stifled, 30, drain screw, 31, combustion barrel, 32, taper refluxes and covers 33, spiral flow deflector, 34, the little tube of combustion chamber, 35, cavity, 36, ignition electrode, 37, spraying nipple, 38, the tangential admission mouth, 39, axial auxiliary inlet port, 40, exhausr port, 41, the annular fuel gas road, 42, speaking trumpet, 43, the block plate locking plate, 44, air inlet duct, 45, block plate, 46, electromagnetic valve, 47, oil inlet, 48, sensor catches fire.

The specific embodiment

Embodiment

As shown in Figure 1.Vehicular liquid formula of the present utility model combustion gas and fule heater mainly comprise H Exch, burner section and controller three parts.H Exch is made up of interior cover 24, overcoat 21 and steady ring 13, the left end of interior cover 24 and overcoat 21 is welded on the steady ring 13, in being welded with respectively, blocks up right-hand member 29 and outer stifled 28, form a cavity 35 between the inside and outside cover, be provided with the spiral flow deflector 33 that is used to heat heat transferring medium in the cavity 35, interior cover internal face circumferentially is welded with some U type radiating gills 25, the outside wall surface bottom of overcoat 21 is provided with exhausr port 40 and drain screw 30, and upper wall surface is provided with water inlet 19, water outlet 27, air bleeder screw plug 18, cooling-water temperature sensor 20 and overheat sensor 26.Steady ring 13 is fixed on the connector 12 of burner section.

Burner section is made up of combustion chamber 23, fuel gas supply device, fuel supply device, air distribution device, ignition device and connector 12.Combustion chamber 23 is made up of the little tube 34 of locating bush 14, combustion barrel 31 and combustion chamber, and the little tube 34 of combustion chamber is sleeved in the combustion barrel 31, is welded on together on the right-hand member outside wall surface of locating bush 14, and the afterbody of the little tube 31 of combustion chamber is welded with taper backflow cover 32.The left end of locating bush 14 is connected on the connector 6, be welded with taper baffle body 17 on its right-hand member internal face, be evenly distributed with tangential admission mouth 38 on the taper wall of baffle body 17, also be provided with axial auxiliary inlet port 39 on the left end wall of tangential admission mouth 38.Be connected with baffle upper body 16 with screw on the baffle body 17, be provided with annular fuel gas road 41 between baffle body 17 and the baffle upper body 16, be welded with speaking trumpet 42 on the baffle upper body 16, the left end of speaking trumpet 42 circumferentially is evenly equipped with air inlet duct 44, end face is stamped block plate 45, and block plate 45 places are provided with block plate locking plate 43.The aditus laryngis place of baffle upper body 16 is provided with some fuel gas injection mouths 22 that communicate with annular fuel gas road 41, is welded with the gas kitchen pipe joint 15 that communicates with annular fuel gas road 41 on the baffle upper body 16.The fuel gas supply device comprises that combustion gas ends flow valve 2 and Gas Pipe 9, and combustion gas is connected on the Gas Pipe 9 by flow valve 2, the control air feed whether and the flow size, Gas Pipe 9 is connected with gas kitchen pipe joint 15.Fuel supply device comprises oil inlet 47, oil return pipe 3, rotator type fuel charger 11, solenoid fuel injection valve 46 and spraying nipple 37.The outlet of fuel charger 11 is connected with spraying nipple 37 by solenoid fuel injection valve 46, whether controls oil spouts by electromagnetic valve 46.The both sides of fuel charger 11 are equipped with oil inlet 47 and the oil return pipe 3 that is connected with fuel tank respectively, with the oil injector seat side of the end cap one of fuel charger 11 solenoid fuel injection valve 46 is housed, the oil injector seat top is equipped with high tension ignition electrode 36, ignition electrode 36 joins through high tension cord and the circuit hot that is fixed on wind scooper 7 outside faces, and the low-pressure section of circuit hot is connected with the controller 5 that is fixed on wind scooper 7 sides, air distribution device comprises combustion-supporting fan 8 and combustion-supporting cooling fan motor 6, fan electromotor 6 is installed in connector 12 left ends of casting forming, be with wind scooper 7 outside fan 8 and the motor 6, wind scooper 7 front end ventilation inlets are equipped with air regulating board 1.Fuel charger 11 and combustion-supporting fan 8 shared combustion-supporting cooling fan motors 6, fuel charger 11 is connected with the motor shaft of electrical motor 6 by coupler 4.Ignition device is made up of high-voltage ignition coil 10 and ignition electrode 36, and high-tension coil 10 is fixed on wind scooper 7 tops, is connected with ignition electrode 36 by high tension cord.Controller 5 is fixed on the side of wind scooper 7, and is connected with high-tension coil 10, cooling-water temperature sensor 20, overheat sensor 26, fan electromotor 6, water-circulating pump (not drawing among the figure) and the electric components such as the sensor 48 that catches fire that are fixed on the connector respectively.

Working process of the present utility model is:

Whole temperature booster is after the suitable position of car body installs, and with inlet tube and outlet tube, fuel oil, Gas Pipe and cable connect.If use gaseous fuel, then to connect corresponding source switch and start temperature booster, water-circulating pump (not drawing among the figure) flows the heat transfer medium water-circulating.Controller 5 control ignition electrodes 36 are with the continuous arcing of certain frequency, combustion gas is opened by flow valve 2, gaseous fuel is by injection orifice 22 ejections at 16 aditus laryngis places, baffle upper body, and combustion-supporting fan 8 is sent into combustion chamber 23 air feed with air by the annular air inlet duct 44 of admission port suction on connector 12 of wind scooper 7 front ends.Ignition retard, the high-temperature gas that produces in the burner section is turned back 180 ° through combustion barrel 31 tail ends, is discharged by the exhausr port 40 of bottom behind the H Exch inner chamber of flowing through.High-temperature fuel gas its heat in the process that flows out is absorbed the heat transfer medium (water) that makes in the cavity 35 by the U type cross section radiating gill on H Exch internal face and the cavity 35 25 and heats up, and water-circulating pump makes the water that constantly circulates that heat is taken away heat supply.By the signal of cooling-water temperature sensor 20, overheat sensor 26 and the sensor 48 that catches fire, controller 5 can be to whole temperature booster working process whole-process automatic control.When the sensor 48 perception ignition retard that catch fire; controller 5 makes ignition electrode 36 stop arcing; and enter normal operation; when if cooling-water temperature sensor 20 perception water temperatures reach design temperature; the flow that controller 5 makes combustion gas end flow valve 2 reduces, and when cooling-water temperature sensor 20 perception water temperatures were lower than setting value, combustion gas increased by the flow of flow valve 2; when causing dry combustion method because of reasons such as lacks of water, controller 5 can be reported to the police and auto-stop by the signal that overheat sensor 26 is provided.When because of the gaseous fuel shortage, and when using fuel oil instead, connect corresponding source switch, the fuel solenoid valve 46 that adorned on the oil injector seat side this moment is opened, the air-blending that its fuel oil is provided with combustion-supporting fan 8 through the spraying nipple 37 ejection back heat release of burning, the mode of operation of H Exch are identical when using gaseous fuel.

Claims (3)

1. A liquid gas and fuel oil heater for vehicles, including a heat exchanger, a burner and a controller, characterized in that the burner is set in the heat exchanger, and the open end of the heat exchanger is connected to the connection of the burner One end of the body; the wall of the heat exchanger is provided with an annular cavity, and the cavity is provided with a spiral deflector. The water outlet, the drain plug, the water temperature sensor, the overheating sensor and the exhaust port connected to the inner cavity of the heat exchanger, the water inlet is equipped with a circulating water pump; the burner includes a combustion chamber, a gas supply device, a fuel supply device, an air distribution device, The ignition device and the connection body, the combustion chamber is set in the heat exchanger and connected to one end of the connection body, the air distribution device is installed on the other end of the connection body, and the combustion chamber is provided with a ring formed by the guide body and the guide body upper body. The upper body of the guide body is connected to the guide body, the wall surface of the guide body is evenly distributed with air inlets, the upper body of the guide body is evenly distributed with air intake grooves and gas injection ports communicated with the annular gas channel, and the guide The fluid upper body is connected with the gas supply device. The fuel supply device includes a fuel pump installed in the connection body and a fuel injector connected to the fuel pump through a fuel injection solenoid valve. The fuel pump end cover is equipped with an ignition electrode, and the ignition electrode and the ignition device The ignition coil is connected, the fuel pump and the air distribution device share a motor, and the fire sensor is installed on the outer wall of the connector; all electrical components are connected to the controller. 2. The vehicle liquid gas and fuel heater according to claim 1, characterized in that: the combustion chamber is composed of a positioning sleeve, a combustion cylinder and a small cylinder of the combustion chamber, and the small cylinder of the combustion chamber is set in the combustion cylinder. They are connected together on the end face of the positioning sleeve. The tail of the small cylinder of the combustion chamber is welded with a conical return cover. The inner wall of the positioning sleeve is provided with a conical diversion body. The gas port and the axial auxiliary air intake hole, the upper body of the diversion body is connected with the upper body of the diversion body, and there is an annular gas channel between the body of the diversion body and the upper body of the diversion body, the upper body of the diversion body is welded with a horn, and the horn Air intake grooves are evenly distributed around the end face, the throat of the upper body of the guide body is provided with a gas injection port communicating with the annular gas channel, and the upper body of the guide body is also provided with a gas pipe joint communicated with the annular gas channel. 3. The vehicle liquid gas and fuel heater according to claim 1, characterized in that: the air distribution device includes a combustion-supporting fan and a combustion-supporting fan motor, the fan motor is installed at the left end of the connecting body, and the outside of the fan and the motor A wind deflector is covered, and an air regulating plate is arranged at the front air inlet of the wind deflector.

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