CN201753632U

CN201753632U - Electric turbosupercharger

Info

Publication number: CN201753632U
Application number: CN2010202129476U
Authority: CN
Inventors: 柏子黎
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-06-02
Filing date: 2010-06-02
Publication date: 2011-03-02
Anticipated expiration: 2020-06-02

Abstract

The utility model provides an electric turbosupercharger which comprises a flow guide pipe. A supporting frame is fixed in an inner cavity of the flow guide pipe; and a brushless motor fixedly arranged on the supporting frame drives an impeller to provide supercharging power. By adopting the brushless motor, the defects of a carbon brush motor are overcome, therefore, the electric turbosupercharger has the advantages of simple structure, low cost, low noise, long service life, and convenient maintenance. In addition, the outer side of the flow guide pipe is provided with a bypass pipeline; the air can flow from an air inlet end of the electric turbosupercharger to an air outlet end directly through the bypass pipeline, so as to compensate the air intake volume during high-speed operation of an engine, and the defects of decreased high-speed dynamic performance of the engine of the existing electric turbosupercharger are effectively overcome.

Description

The electric turbine pressurized machine

Technical field

The utility model relates to automobile technical field, is specifically related to a kind of electric turbine pressurized machine that is used to increase the motor car engine suction pressure.

Background technique

Turbosupercharger is a kind of air compressor, increase the suction pressure of motor car engine by pressurized air, produce powerful whirlwind eddy current, oil, gas molecule in the atomization process are fully mixed, increase oxygen density, thereby make burning more thorough, more abundant, eliminate dead angle and surplus quick-fried, reach the power and the moment of torsion that strengthen motor, the effect of promote power, saving fuel oil.

The most frequently used turbosupercharger in the prior art is that the waste gas inertia impulsive force that utilizes motor to discharge drives turbine, thereby impeller is implemented supercharging to the suction port of motor.The pressurized machine of this structure is owing to be power with the engine exhaust, and its high speed performance is better, but in, in the low speed driving speed-raising relatively poor, and the automobile major part be in, travel under the low speed.Also there are problems such as operating temperature height, complex structure, installation trouble, cost height in the pressurized machine of this structure.

Existing another kind of turbosupercharger is to adopt the electric turbine pressurized machine of carbon brush motor as supercharging power.This turbosupercharger no longer relies on the waste gas of motor as power, and relatively simple for structure, cost is low; Simultaneously boost performance is relatively stable, and the pressurized effect in Motor Vehicle, in the low speed driving is better.But owing to be subjected to carbon brush motor properties and age limit, the power consumption height of this turbosupercharger, noise is big, the life-span is shorter, and needs periodic cleaning to safeguard, wastes time and energy; And, because the power of brush motor is limited, when Motor Vehicle was run at high speed, the air inflow of motor increased greatly, and the wheel speed of electric turbine pressurized machine can not provide enough supercharging power, on the contrary, the area that blast fan takies in pressure pipeline certainly has been equivalent to compress the diameter of pressure pipeline, has stopped airflow, forms negative pressure in the outlet side of turbosupercharger, cause motor car engine deficiency of air when running up, influenced the high speed performance of motor.

The model utility content

At the prior art above shortcomings, the purpose of this utility model is to provide a kind of electric turbine pressurized machine, and it is simple in structure, cost is low, and overcome existing electric turbine pressurized machine power consumption height, noise is big, the life-span is short, the defective that is difficult to safeguard; Further purpose is, can also provide enough air inflows when running up for motor.

The purpose of this utility model is achieved in that a kind of electric turbine pressurized machine, comprise honeycomb duct, the inner chamber of described honeycomb duct is fixed with supporting frame, is set with one or more brushless electric machines on the supporting frame, is set with impeller on the output shaft of brushless electric machine.Because brushless electric machine do not have brush, frictional force reduces significantly during running, moves smooth and easyly, and noise is little; Simultaneously, the heating value of brushless electric machine is little, has avoided the interior permanent magnet of motor because of the too high demagnetization of temperature, and electrical machinery life is prolonged; And from mechanical angle, brushless electric machine is almost non-maintaining, only need make simple dust removal process, easy maintenance.Be provided with wire outlet hole on the sidewall of honeycomb duct, be arranged with stuffing box gland (for example rubber packing cover etc.) in the wire outlet hole, the lead of brushless electric machine passes stuffing box gland and stretch out the electric turbine pressurized machine in honeycomb duct, so that connect power supply and control circuit.When a plurality of brushless electric machine is set, when power circuit that connects brushless electric machine and control circuit, guarantee that the sense of rotation of impeller fixing on each brushless electric machine output shaft is identical, make pressurized air stream flow to the outlet side from the inlet end of electric turbine pressurized machine.

As optimization, respectively be provided with a taper joint at the two ends of honeycomb duct; The bigger diameter end of two taper joints all is connected with honeycomb duct, and the miner diameter end of two taper joints is connected with admission line interface and outlet pipe interface respectively, and the electric turbine pressurized machine is connected gas path pipe by the admission line interface with the outlet pipe interface respectively again.This structure has guaranteed the internal diameter of the internal diameter of honeycomb duct greater than gas path pipe, thereby allows the impeller size no longer be subjected to the restriction of gas path pipe size, can be in the scope of honeycomb duct internal diameter the diameter of impeller in the corresponding increase, to improve supercharging efficient.

As further improvement, the outside of honeycomb duct is provided with at least one roadside and threads a pipe; One end of described by-pass line communicates with the admission line interface, and the other end communicates with the outlet pipe interface.The purpose that by-pass line is set is to provide enough air inflows for motor when running up.When high engine speeds turns round, air inflow increases greatly, this moment is if the rotating speed of impeller can not provide enough supercharging power, stopped on the contrary under the situation of airflow, gas can directly flow to the outlet side by by-pass line from the inlet end of electric turbine pressurized machine, in and the negative pressure of outlet side, replenish the air inflow of motor, thereby allow motor when running up, also possess preferable performance.In motor, during low-speed running, then rotate by the brushless electric machine impeller, be engine booster, the siphonic effect of pressurized air stream also makes the gas in the by-pass line flow to the outlet side by inlet end, plays the effect of supplying supercharging power to a certain extent.

At some in particular cases, when for example the supercharging efficient of electric turbine pressurized machine is very high, because in-engine pressure is closely saturated, form certain malleation in the outlet side of electric turbine pressurized machine, weakened the siphonic effect of pressurized air stream, this moment, the gas of outlet side may be back to inlet end by by-pass line, thereby had influenced the further lifting of supercharging efficient.For this reason, as further improving again, Non-return air valve is set in by-pass line, allow Non-return air valve control air-flow one-way flow from the admission line interface to the outlet pipe interface, back draught then ends, prevent the situation that above-mentioned pressurization gas flows backwards, further improve the supercharging efficient of electric turbine pressurized machine.

1, simple in structure, cost is low, and have simultaneously that noise is low, the life-span is long, the advantage of easy maintenance;

2, increased the internal diameter of honeycomb duct, can be in the scope of honeycomb duct internal diameter the diameter of impeller in the corresponding increase, improve supercharging efficient;

3, for motor provides enough air inflows when running up, guarantee that motor all possesses good power performance in basic, normal, high when running speed, realize high energy, fuel-efficient effect.

Description of drawings

Fig. 1 is the structural representation of the utility model electric turbine pressurized machine;

Fig. 2 is the A-A sectional view of Fig. 1.

Embodiment

Below in conjunction with drawings and Examples technological scheme of the present invention is described further:

Embodiment:

As shown in Figure 1, the electric turbine pressurized machine that relates to of the utility model mainly is made of for 7 three sections honeycomb duct 1, admission line interface 6, outlet pipe interface; The inner chamber of described honeycomb duct 1 is fixed with supporting frame 2, according to the different demands of supercharging power size, is set with one or more brushless electric machines 3 on supporting frame 2, is used to provide supercharging power; Be provided with 2 brushless electric machines in the present embodiment; All be set with impeller 4 on the output shaft of each brushless electric machine, forming air pressure with the rotation of brushless electric machine output shaft is engine booster; On the sidewall of honeycomb duct 1, be provided with wire outlet hole 11, it is (invisible among Fig. 1 to be arranged with stuffing box gland 12 in the wire outlet hole 11, referring to Fig. 2), can be together with the lead of each brushless electric machine thread, pass stuffing box gland 12 and in honeycomb duct 1, stretch out the electric turbine pressurized machine, be connected in power supply and control circuit, control opening/stop, turn to and rotating speed of brushless electric machine.The internal diameter of honeycomb duct 1 can be provided with according to actual needs, and present embodiment is set to 120mm, can guarantee bigger air compression amount.The two ends of honeycomb duct 1 respectively are provided with the tapering of 5, two taper joints of a taper joint can be different, also can adopt identical tapering; The bigger diameter end of two taper joints 5 all is connected with honeycomb duct 1, and the miner diameter end of two taper joints 5 connects admission line interface 6 and outlet pipe interface 7 respectively; The caliber size of admission line interface 6 and outlet pipe interface 7 is set according to its gas path pipe internal diameter that is connected separately size.As optimized project, the outside of honeycomb duct also can be provided with one or more by-pass line 8, and an end of by-pass line 8 communicates with admission line interface 6, and the other end communicates with outlet pipe interface 7, forms the straight-through gas circuit of electric turbine pressurized machine inlet end and outlet side; The quantity that is provided with of by-pass line is also decided according to the practical application needs; The internal diameter of by-pass line is unsuitable too small simultaneously, avoids its air-flow not smooth; Be provided with 6 roadsides in the present embodiment and thread a pipe, the internal diameter of threading a pipe in each roadside is 8mm.In concrete the application, by-pass line can be with the import/export pipe joint or/and honeycomb duct uses identical material one-body molded; Perhaps, by-pass line, import/export pipe joint, honeycomb duct use different materials to make separately separately, form above-mentioned connectivity structure by assembling.In further improvement project, also be provided with Non-return air valve 9 in the by-pass line, be used to control air-flow from 6 one-way flows of admission line interface to outlet pipe interface 7, prevent that pressurization gas from flowing backwards.

During use, the admission line interface of electric turbine pressurized machine connects gas path pipe to engine air throttle, the outlet pipe interface connects gas path pipe to engine intake, after the gas process electric turbine pressurized machine pressurized treatment of closure input, be delivered into the suction port of motor, thereby be engine booster.The supercharging power of electric turbine pressurized machine comes from brushless electric machine, has brushless driven by motor impeller rotation to form pressurized air stream; Brushless electric machine can be directly connected on the power supply and control circuit of Motor Vehicle by lead, and during operation, the sense of rotation of two impellers (brushless electric machine) is identical, allows air-flow flow to the outlet pipe interface from the admission line interface.Electric turbine pressurized machine of the present utility model has been inherited the advantage that carbon brush electric turbine supercharger structure is simple, cost is low, and overcome its power consumption height simultaneously, noise is big, the life-span is short, the defective that is difficult to safeguard.In addition, when the high engine speeds operation, when air inflow increases considerably, when if 2 brushless electric machines can not have been loaded its charge flow rate and formed obstruction, negative pressure in the outlet pipe interface then makes the Non-return air valve in 6 by-pass lines open, gas directly passes through the by-pass line inflow engine from the admission line interface, remedy deficiency of air, effectively overcome the defective that existing electric turbine pressurized machine causes the high speed performance decline of motor.When motor in, during low-speed running, brushless electric machine just can provide enough supercharging power, is engine booster, improve motor in, low-speed dynamic performance; And Non-return air valve can prevent that pressurization gas from flowing backwards from by-pass line, has guaranteed higher supercharging efficient.

Need to prove that above embodiment is unrestricted the utility model with the explanation the technical solution of the utility model only.Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed among the claim scope of the present utility model.

Claims

1. electric turbine pressurized machine, comprise honeycomb duct (1), it is characterized in that the inner chamber of described honeycomb duct (1) is fixed with supporting frame (2), be set with brushless electric machine (3) on the supporting frame (2), be set with impeller (4) on the output shaft of brushless electric machine (3).

2. electric turbine pressurized machine according to claim 1 is characterized in that, described brushless electric machine (3) is a plurality of, and the sense of rotation of the pairing impeller of each brushless electric machine (3) (4) is identical.

3. electric turbine pressurized machine according to claim 1 is characterized in that, the two ends of described honeycomb duct (1) respectively are provided with a taper joint (5); The bigger diameter end of two taper joints (5) all is connected with honeycomb duct (1), and the miner diameter end of two taper joints (5) is connected with admission line interface (6) and outlet pipe interface (7) respectively.

4. electric turbine pressurized machine according to claim 3 is characterized in that, the outside of described honeycomb duct (1) is provided with at least one roadside thread a pipe (8); One end of described by-pass line (8) communicates with admission line interface (6), and the other end communicates with outlet pipe interface (7).

5. electric turbine pressurized machine according to claim 4 is characterized in that, is provided with Non-return air valve (9) in the described by-pass line (8), the air-flow one-way flow of described Non-return air valve (9) control from admission line interface (6) to outlet pipe interface (7).