CN204827961U

CN204827961U - Shock wave compressor

Info

Publication number: CN204827961U
Application number: CN201520414449.2U
Authority: CN
Inventors: 涂道明
Original assignee: Changzhou Xiefa Machinery Manufacturing Co Ltd
Current assignee: Changzhou Xiefa Machinery Manufacturing Co Ltd
Priority date: 2015-06-16
Filing date: 2015-06-16
Publication date: 2015-12-02
Anticipated expiration: 2025-06-16

Abstract

The utility model discloses a shock wave compressor belongs to air compression technical field. The utility model discloses a shock wave compressor, including rotatory punching press rotor, vane diffuser and pressure boost spiral case, the edge of rotation punching press rotor is equipped with a plurality of gas channel, all is equipped with the induced piece of shock wave among every gas channel, and the anterior segment of the induced piece of shock wave is equipped with the slope, and the back on slope is a plane, is equipped with in the gas channel and inductions the corresponding reflection curved surface of piece with the shock wave, the high -speed rotatory supersonic speed air current that forms of rotatory punching press rotor, this supersonic speed air current produces the oblique shock wave at the slope front end to form the normal shock wave behind the multiple reflection of reflection curved surface with the slope, the oblique shock wave that supersonic speed air current process reflection curved surface forward position formed receives the interference of above -mentioned normal shock wave, forms the shock wave wall near the normal shock wave. The utility model discloses utilize the shock wave wall to make gas pressure promotion, air speed reduce to improve compression efficiency, realize the high compression ratio, rotatory punching press rotor structure is simple, and manufacturing is convenient.

Description

A kind of shock wave compression machine

Technical field

The utility model relates to a kind of compressor, more particularly, relates to a kind of Shock Wave Characteristics that utilizes to improve the compressor of gas pressure, can be referred to as shock wave compression machine.

Background technique

Traditional compressor improves pressure by the Volume Changes of swept volume usually, also has by the be converted raising pressure of raising speed by kinetic energy potential energy.Traditional compressor operating efficiency is lower, and complex structure, motor element is many, and maintenance cost is high.

At present, some novel compressors are there is, these compressors utilize shock wave principle to realize air compressing, be commonly referred to as supersonic compressor or shock wave compression machine, for traditional compressor, shock wave compression machine operational efficiency is higher, the superiority that shock wave compression machine has it incomparable under single-stage pressure ratio requires higher condition.But, for shock wave compression machine, still there are some technical problems, such as, how to utilize better technological scheme to improve service requirement and the compression efficiency of compressor.It is generally acknowledged, the active position in compressor diffuser provides the minimization of loss of normal shock conformance control supersonic airstream when entering Diffuser, can improve service requirement and the compression efficiency of shock wave compression machine, more effectively realize high compression ratio.The imagination of existing multiple shock wave compression machine and design in prior art, but complex structure mostly, all do not realize significantly improving of shock wave compression machine service requirement and compression efficiency.

Summary of the invention

1. the model utility technical problem that will solve

The purpose of this utility model is to overcome existing shock wave compression machine complex structure, service requirement and compression efficiency need the deficiency improved further, a kind of shock wave compression machine is provided, adopt the technical solution of the utility model, the rotary punching rotor with SHOCK WAVE INDUCED block is utilized to realize the generation of shock wave wall, pressure and temperature is improved after making supersonic gas flow through shock wave wall, airspeed significantly reduces, thus raising compression efficiency, and reduce flow velocity and adherence pressure further through Diffuser and spiral case, realize high compression ratio; Further, rotary punching rotor structure is simple, and convenient processing and manufacture, the moving element of compressor is few, runs more stable.

2. technological scheme

For achieving the above object, the technological scheme that the utility model provides is:

A kind of shock wave compression machine of the present utility model, comprise rotary punching rotor, vane diffuser and supercharging spiral case, described rotary punching rotor and vane diffuser are all located in supercharging spiral case, the edge of described rotary punching rotor is provided with some gas flows, SHOCK WAVE INDUCED block is equipped with in each described gas flow, the leading portion of described SHOCK WAVE INDUCED block is provided with the slope for generation of oblique shock wave, be a plane after described slope, described plane and intersection, slope form discontinuity, the reflecting curved surface corresponding with SHOCK WAVE INDUCED block is provided with in described gas flow, described rotary punching rotor high-speed rotates, and forms supersonic airstream at gas flow suction port place, and this supersonic airstream produces oblique shock wave in front end, slope, and through reflecting curved surface arrive after the multiple reflections on slope discontinuity formed together with normal shock wave, supersonic gas flows through after oblique shock wave that reflecting curved surface forward position formed reaches the discontinuity of SHOCK WAVE INDUCED block, and the interference by above-mentioned normal shock wave to be reflected on reflecting curved surface and to be reflected back toward in the plane of SHOCK WAVE INDUCED block, forms shock wave wall near normal shock wave, enter in vane diffuser and supercharging spiral case through the air-flow of shock wave wall adherence pressure and be even further improved by applying coatings pressure.

Further, described plane and the oblique shock-wave reflection to be produced on slope are perpendicular to the normal of the pip in plane on reflecting curved surface.

Further, the angle between described slope and plane is 5 °.

Further, be relatively provided with two groups of reflecting curved surfaces in described gas flow, described SHOCK WAVE INDUCED block is located at the centre of gas flow, and SHOCK WAVE INDUCED block is provided with two groups of slopes and two groups of planes accordingly with above-mentioned two groups of reflecting curved surfaces.

3. beneficial effect

The technological scheme adopting the utility model to provide, compared with existing known technology, has following remarkable result:

(1) a kind of shock wave compression machine of the present utility model, the edge of its rotary punching rotor is provided with some gas flows, SHOCK WAVE INDUCED block is equipped with in each gas flow, the leading portion of SHOCK WAVE INDUCED block is provided with the slope for generation of oblique shock wave, be a plane after slope, plane and intersection, slope form discontinuity, are provided with the reflecting curved surface corresponding with SHOCK WAVE INDUCED block in gas flow; Rotary punching rotor high-speed rotate, gas flow suction port place formed supersonic airstream, this supersonic airstream front end, slope produce oblique shock wave, and through reflecting curved surface arrive after the multiple reflections on slope discontinuity formed together with normal shock wave; Supersonic gas flows through after oblique shock wave that reflecting curved surface forward position formed reaches the discontinuity of SHOCK WAVE INDUCED block, and the interference by above-mentioned normal shock wave to be reflected on reflecting curved surface and to be reflected back toward in the plane of SHOCK WAVE INDUCED block, forms shock wave wall near normal shock wave; Enter in vane diffuser and supercharging spiral case through the air-flow of shock wave wall adherence pressure and be even further improved by applying coatings pressure; The rotary punching rotor with SHOCK WAVE INDUCED block is utilized to realize the generation of shock wave wall, pressure and temperature is improved after making supersonic gas flow through shock wave wall, airspeed significantly reduces, thus raising compression efficiency, and reduce flow velocity and adherence pressure further through Diffuser and spiral case, realize high compression ratio; Further, rotary punching rotor structure is simple, convenient processing and manufacture, and the moving element of compressor is few, runs more stable;

(2) a kind of shock wave compression machine of the present utility model, its plane and the oblique shock-wave reflection to be produced on slope are perpendicular to the normal of the pip in plane on reflecting curved surface, when oblique shock wave is reflected in plane, arrive in plane with substantially vertical angle, formed and carry out the perpendicular normal shock wave of flow path direction with supersonic airstream, make air-flow resident at this, thus reduce airspeed, improve stream pressure, compression efficiency is largely increased;

(3) a kind of shock wave compression machine of the present utility model, two groups of reflecting curved surfaces are relatively provided with in its gas flow, SHOCK WAVE INDUCED block is located at the centre of gas flow, and SHOCK WAVE INDUCED block is provided with two groups of slopes and two groups of planes accordingly with above-mentioned two groups of reflecting curved surfaces, angle between slope and plane is 5 °, is realized the rapid raising of gas pressure, when ensure that enough gas flows by two groups of shock wave walls, gas compression efficiency is higher, realizes higher single-stage pressure ratio.

Accompanying drawing explanation

Fig. 1 is the structural representation of a kind of shock wave compression machine of the present utility model;

Fig. 2 is the fundamental diagram of the rotary punching rotor in the utility model;

Fig. 3 is the structural representation of the gas flow of rotary punching rotor in the utility model;

Fig. 4 is the principle schematic of the SHOCK WAVE INDUCED block formation shock wave wall in the utility model.

Label declaration in schematic diagram:

1, rotary punching rotor; 11, gas flow; 11a, reflecting curved surface; 12, SHOCK WAVE INDUCED block; 12a, slope; 12b, plane; 2, vane diffuser; 3, supercharging spiral case.

Embodiment

For understanding content of the present utility model further, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.

Embodiment

Shown in composition graphs 1, Fig. 2, Fig. 3 and Fig. 4, a kind of shock wave compression machine of the present embodiment, comprise rotary punching rotor 1, vane diffuser 2 and supercharging spiral case 3, rotary punching rotor 1 is installed on turning axle, rotary punching rotor 1 and vane diffuser 2 are all located in supercharging spiral case 3, the edge of rotary punching rotor 1 is provided with some gas flows 11, in the present embodiment, some gas flows 11 are uniformly distributed on the edge of rotary punching rotor 1, the center of gravity of rotary punching rotor 1 is positioned on the axis of rotary punching rotor 1, makes operation more stable; SHOCK WAVE INDUCED block 12 is equipped with in each gas flow 11, the leading portion of this SHOCK WAVE INDUCED block 12 is provided with the slope 12a (shown in Figure 3) for generation of oblique shock wave, slope 12a's is a plane 12b below, plane 12b and 12a intersection, slope form discontinuity, be provided with the reflecting curved surface 11a corresponding with SHOCK WAVE INDUCED block 12 in gas flow 11, the serial oblique shock wave produced by slope 12a can sport normal shock wave in discontinuity.

As shown in Figure 2, when rotary punching rotor 1 by drive motor drive with 40000 ~ 50000 revs/min in the counterclockwise direction High Rotation Speed time, velocity of sound can be exceeded in the linear velocity at gas flow 11 suction port place, gas around it can be received the suction port of gas flow 11, therefore supersonic airstream can be formed at the suction port place of gas flow 11, this supersonic airstream 12a front end, slope produce oblique shock wave (supersonic gas flows through sharp objects can form shock wave), and through reflecting curved surface 11a arrive after the multiple reflections of slope 12a discontinuity formed together with normal shock wave; Supersonic gas flow through reflecting curved surface 11a forward position formed oblique shock wave reach the discontinuity of SHOCK WAVE INDUCED block 12 after, interference by above-mentioned normal shock wave to be reflected on reflecting curved surface 11a and to be reflected back toward on the plane 12b of SHOCK WAVE INDUCED block 12, forms one shock wave wall near normal shock wave.

Particularly, as shown in Figure 3 and Figure 4, plane 12b in the present embodiment and the normal of pip on reflecting curved surface 11a perpendicular, this pip refer to by slope 12a produce oblique shock-wave reflection to the pip on plane 12b, when oblique shock wave is reflected on plane 12b, arrive on plane 12b with substantially vertical angle, formed and carry out the perpendicular normal shock wave of flow path direction with supersonic airstream, make air-flow resident at this, thus reduce airspeed, improve stream pressure, compression efficiency is largely increased; In the present embodiment, the angle between slope 12a and plane 12b is 5 °; Two groups of reflecting curved surface 11a are relatively provided with in gas flow 11, SHOCK WAVE INDUCED block 12 is located at the centre of gas flow 11, and SHOCK WAVE INDUCED block 12 is provided with two groups of slope 12a and two group plane 12b accordingly with above-mentioned two groups of reflecting curved surface 11a, the rapid raising of gas pressure is realized by two groups of shock wave walls, when ensure that enough gas flows, gas compression efficiency is higher, realizes higher single-stage pressure ratio.As shown in Figure 3 and Figure 4, the supersonic airstream at gas flow 11 suction port place produces oblique shock wave the 12a front end, slope of 5 °, this oblique shock wave arrives reflecting curved surface 11a and forms reflected wave, reflected wave reflexes to reflecting curved surface 11a again through slope 12a, reach after 7 secondary reflections on plane 12b, reflected wave is resident at plane 12b place, oblique shock wave accumulates normal shock wave, other oblique shock waves reach this normal shock wave place and to be reflected on reflecting curved surface 11a and to be reflected back toward in the plane 12b section of SHOCK WAVE INDUCED block 12, so repeatedly also resided near normal shock wave, form one shock wave wall, supersonic gas flows through shock wave wall and is lowered flow velocity, adherence pressure and temperature simultaneously, high-voltage high-speed airflow through shock wave wall adherence pressure enters vane diffuser 2 by the air outlet of gas flow 11, air-flow through vane diffuser 2 is even further improved by applying coatings pressure and flows into supercharging spiral case 3 after reducing flow velocity, in the supercharging spiral case 3 that gas increases gradually at bore, pressure obtains continuing to promote and speed continues to reduce, pressure and speed all reach the gas of user's usage requirement cooled after just can be used for user to use.

A kind of shock wave compression machine of the present utility model, the rotary punching rotor with SHOCK WAVE INDUCED block is utilized to realize the generation of shock wave wall, pressure and temperature is improved after making supersonic gas flow through shock wave wall, airspeed significantly reduces, thus raising compression efficiency, and reduce flow velocity and adherence pressure further through Diffuser and spiral case, realize high compression ratio; Further, rotary punching rotor structure is simple, and convenient processing and manufacture, the moving element of compressor is few, runs more stable.

Below be schematically described the utility model and mode of execution thereof, this description does not have restricted, and shown in accompanying drawing is also one of mode of execution of the present utility model, and actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, without creatively designing the mode of structure similar to this technological scheme and embodiment, protection domain of the present utility model all should be belonged to.

Claims

1. a shock wave compression machine, comprise rotary punching rotor (1), vane diffuser (2) and supercharging spiral case (3), described rotary punching rotor (1) and vane diffuser (2) are all located in supercharging spiral case (3), it is characterized in that: the edge of described rotary punching rotor (1) is provided with some gas flows (11), SHOCK WAVE INDUCED block (12) is equipped with in each described gas flow (11), the leading portion of described SHOCK WAVE INDUCED block (12) is provided with the slope (12a) for generation of oblique shock wave, be a plane (12b) after described slope (12a), described plane (12b) and slope (12a) intersection form discontinuity, the reflecting curved surface (11a) corresponding with SHOCK WAVE INDUCED block (12) is provided with in described gas flow (11), described rotary punching rotor (1) High Rotation Speed, supersonic airstream is formed at gas flow (11) suction port place, this supersonic airstream produces oblique shock wave in slope (12a) front end, and after the multiple reflections of reflecting curved surface (11a) and slope (12a), arrives discontinuity form one normal shock wave, supersonic gas flow through reflecting curved surface (11a) forward position formed oblique shock wave reach the discontinuity of SHOCK WAVE INDUCED block (12) after, interference by above-mentioned normal shock wave is reflected to reflecting curved surface (11a) and goes up and be reflected back toward in the plane (12b) of SHOCK WAVE INDUCED block (12), forms shock wave wall near normal shock wave, enter in vane diffuser (2) and supercharging spiral case (3) through the air-flow of shock wave wall adherence pressure and be even further improved by applying coatings pressure.

2. a kind of shock wave compression machine according to claim 1, is characterized in that: described plane (12b) and oblique shock-wave reflection slope (12a) to be produced are perpendicular to the normal of the pip in plane (12b) on reflecting curved surface (11a).

3. a kind of shock wave compression machine according to claim 2, is characterized in that: the angle between described slope (12a) and plane (12b) is 5 °.

4. a kind of shock wave compression machine according to claim 1 or 2 or 3, it is characterized in that: in described gas flow (11), be relatively provided with two groups of reflecting curved surfaces (11a), described SHOCK WAVE INDUCED block (12) is located at the centre of gas flow (11), and SHOCK WAVE INDUCED block (12) is above provided with two groups of slopes (12a) and two groups of planes (12b) accordingly with above-mentioned two groups of reflecting curved surfaces (11a).