CN110067750A - An oil-free scroll air compressor with a helical booster speed-up cooling flywheel fan - Google Patents

Abstract

The invention discloses an oil-free vortex air compressor with a spiral supercharging and accelerating heat dissipation flywheel fan, which comprises a driving motor, an air supply cylinder and a vortex air compressor body, wherein a transmission shaft is installed at the output end of the driving motor, the driving motor drives a spiral supercharging flywheel to rotate through the transmission shaft, the air supply cylinder is positioned on the outer side of the spiral supercharging flywheel, a ventilation guide pipe is connected to the outer side of the air supply cylinder, and the vortex air compressor body is positioned on the left side of the air supply cylinder. This take oil-free vortex air compressor machine of spiral pressure boost acceleration rate heat dissipation flywheel fan, be provided with spiral pressure boost flywheel, cooperation transmission shaft and air cleaner gas filtration, guarantee that clean air gets into the heat dissipation muscle region and the compression intracavity of moving static vortex dish, realize that the inside central region of the interior spiral of air supply section of thick bamboo forms the negative pressure vacuum, the region between the inner wall of air supply section of thick bamboo and the excircle border of spiral forms the malleation, when the production is compressed the air current, drive the air current pressure boost, improve the wind speed of heat dissipation air current, the reinforcing radiating effect.

Description

An oil-free scroll air compressor with a helical booster speed-up cooling flywheel fan

technical field

The invention relates to the related technical field of air compressors, in particular to an oil-free vortex air compressor with a helical supercharging speed-up and heat-dissipating flywheel fan.

Background technique

The air compressor is the air compressor, which is mainly used to compress the gas. The oil-free scroll air compressor can perform high-efficiency air compression through the relative movement of the moving and static scroll groups. The problem of clean heat dissipation is the oil-free scroll air compressor. It is one of the key technologies of the compressor. At the same time, the oil-free scroll air compressor has lower working noise and lower maintenance costs than other air compressors. It is a commonly used air compressor structure.

When the oil-free scroll air compressor is in use, the compressed air generates heat due to friction, and there is no carrier to take away the heat emitted. The accumulation of heat to a certain data will cause the scroll line inside the moving and stationary scrolls to deform and cause contact friction. Cause the air compressor to be scrapped. (It will also dissipate more heat), in the prior art, the heat is generally dissipated by an external fan or a direct-connected centrifugal wind wheel, but the wind speed is usually slow and it is difficult to take away the heat, resulting in a lower heat dissipation efficiency of the device. Affects long-term use, and at the same time, the external air flow is not filtered, and there is a lack of certain self-heating protection measures, which affects the normal use of the device.

In response to the above problems, an innovative design is carried out on the basis of the original scroll air compressor.

SUMMARY OF THE INVENTION

The object of the present invention is to provide an oil-free scroll air compressor with a spiral supercharging speed-up heat dissipation flywheel fan, so as to solve the problem that the scroll air compressor proposed in the above-mentioned background art lacks self-cleaning heat dissipation protection measures, and the heat dissipation effect of the external fan is relatively high. Bad question.

In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: an oil-free scroll air compressor with a helical boosting speed-up heat dissipation flywheel fan, comprising a drive motor, a blower cylinder and a scroll air compressor body, the drive A transmission shaft is installed at the output end of the motor, and the driving motor drives the spiral booster flywheel to rotate through the transmission shaft. An air inlet is arranged on the upper side of the cylinder, and an air filter is installed on the outside of the air inlet, and an air outlet is arranged at the side end of the air supply cylinder, and the scroll air compressor body is located on the left of the air supply cylinder. , and the side of the scroll air compressor body is provided with a compression chamber air inlet, the interior of the scroll air compressor body is provided with a dynamic and static scroll group, and the left end of the dynamic and static scroll group is provided with a compression chamber air outlet, The side surface of the scroll air compressor body is provided with a cooling air outlet.

Preferably, the central axes of the transmission shaft, the air supply cylinder and the scroll air compressor body are all coincident with each other, and the drive motor is respectively connected with the screw supercharging flywheel and the static and dynamic scroll group through the transmission shaft to form a transmission connection.

Preferably, the helical supercharging flywheel is a curved helical blade, and the cross section of the helical supercharging flywheel is arc-shaped along the radial contour line.

Preferably, a heat dissipation airflow passage is formed between the ventilation duct and the heat dissipation air outlet.

Preferably, an air flow passage is formed between the air inlet and the air inlet of the compression chamber through an air outlet, and an air filter is installed on the outside of the air inlet.

Preferably, the cooling air outlets are evenly distributed on the outside of the tooth surfaces of the moving and stationary scroll groups, and a cooling air flow passage is left between the moving and stationary scroll groups and the scroll air compressor body.

Compared with the prior art, the beneficial effects of the present invention are: the oil-free scroll air compressor with the spiral supercharging speed-up and heat-dissipating flywheel fan,

1. There is a spiral booster flywheel, which is used in conjunction with the ventilation duct and the air outlet during the use of the device, which can easily drive the airflow through the spiral booster flywheel. Part of the airflow enters the air inlet of the compression chamber through the air outlet, and most of the booster The airflow quickly passes through the ventilation duct to dissipate heat on the tooth surface of the moving and static scroll set, and the wind speed after supercharging can reach more than 15 meters per second, effectively taking away heat and improving the heat dissipation effect;

2. A drive shaft and an air filter are provided. During the use of the device, the drive motor can drive the spiral supercharged flywheel and the static and dynamic scroll group to rotate coaxially through the drive shaft, which is convenient for driving work on the scroll air compressor body. At the same time, the air flow is supercharged and synchronously dissipated by the spiral supercharged flywheel, and the air filter can also filter the passing heat and compressed air, improving the practicability of the device.

Description of drawings

Fig. 1 is the front structure schematic diagram of the present invention;

Fig. 2 is a schematic diagram of the structure of the air supply cylinder of the present invention;

FIG. 3 is a schematic diagram of the structure of the cooling air outlet of the present invention.

In the figure: 1. Drive motor; 2. Transmission shaft; 3. Spiral booster flywheel; 4. Air supply duct; 5. Ventilation duct; 6. Air inlet; 7. Air filter; 8. Air outlet; 9 , scroll air compressor body; 10, the air inlet of the compression chamber; 11, the dynamic and static scroll group; 12, the air outlet of the compression chamber; 13, the cooling air outlet.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to Figures 1-3, the present invention provides a technical solution: an oil-free scroll air compressor with a screw booster speed-up heat dissipation flywheel fan, comprising a drive motor 1, a transmission shaft 2, a screw booster flywheel 3, Air supply duct 4, ventilation duct 5, air inlet 6, air filter 7, air outlet 8, scroll air compressor body 9, compression chamber air inlet 10, dynamic and static scroll group 11, compression chamber air outlet 12 and The cooling air outlet 13, the output end of the driving motor 1 is installed with a transmission shaft 2, and the driving motor 1 drives the spiral supercharged flywheel 3 to rotate through the transmission shaft 2. 4 is connected with a ventilation duct 5, an air inlet 6 is provided on the upper side of the air supply duct 4, and an air filter 7 is installed on the outside of the air inlet 6, and the side end of the air supply duct 4 is provided with an air outlet 8. The scroll air compressor body 9 is located on the left side of the air supply cylinder 4, and the side of the scroll air compressor body 9 is provided with a compression chamber air inlet 10, and the interior of the scroll air compressor body 9 is provided with a static and dynamic scroll. Compression chamber air outlet 12 is provided on the left end of the movable and stationary scroll group 11 , and a cooling air outlet 13 is provided on the side surface of the scroll air compressor body 9 .

In this example, the central axes of the transmission shaft 2 , the air supply cylinder 4 and the scroll air compressor body 9 all coincide with each other, and the driving motor 1 forms a transmission connection with the spiral supercharging flywheel 3 and the static and dynamic scroll group 11 through the transmission shaft 2 respectively. , it is convenient to drive the spiral supercharged flywheel 3 and the static and dynamic scroll group 11 to operate synchronously through the transmission shaft 2, and the air flow is driven by the spiral supercharged flywheel 3 to dissipate heat at high wind speed.

The helical supercharged flywheel 3 is a radian spiral blade, and the cross section of the helical supercharged flywheel 3 is arc-shaped along the radial contour line, which is convenient for the rotation of the helical supercharged flywheel 3 to drive the airflow to carry out supercharged high-speed flow.

A cooling air passage is formed between the ventilation duct 5 and the cooling air outlet 13, and the diameter of the ventilation duct 5 is greater than or equal to or smaller than the diameter of the air outlet 8 (adjust the size ratio according to the actual use of the product model), which is convenient for passing the ventilation duct 5 The airflow at the position rapidly dissipates heat from the tooth surfaces of the moving and stationary scroll groups 11 .

An air flow passage is formed between the air inlet 6 and the air inlet 10 of the compression chamber through the air outlet 8, and an air filter 7 is installed on the outside of the air inlet 6, which is convenient for air circulation, and the air filter 7 can play the role of air. The role of filtering.

The cooling air outlets 13 are evenly distributed on the outside of the tooth surface of the moving and static scroll group 11, and a cooling airflow passage is left between the moving and static scroll group 11 and the scroll air compressor body 9, which is convenient for airflow ventilation and heat dissipation at the moving and static scroll group 11. .

Working principle: When using this oil-free scroll air compressor with a spiral booster speed-up cooling flywheel fan, first connect the power supply of the device and the power grid to each other. As shown in Figure 1-3, connect the air outlet 12 and The high-pressure container pipes are connected to each other and can be used;

During the use of the device, the drive motor 1 can drive the helical booster flywheel 3 and the static and dynamic scroll group 11 to rotate synchronously through the transmission shaft 2, and the dynamic and static scroll group 11 can operate in the scroll air compressor body 9 according to the normal operation. Air compression is carried out in the work flow (this is the prior art, so I will not go into details), and at the same time, the spiral booster flywheel 3 can be rotated in the air supply cylinder 4, which drives the air flow from the air inlet 6 to pass through the air filter 7 for filtering treatment. After entering the air supply duct 4 for pressurized flow, part of the air flow passes through the air outlet 8 and the air inlet 10 of the compression chamber for compression, and part of the air flow passes through the ventilation duct 5 and then flows through the tooth surface of the moving and static scroll group 11 for heat dissipation, spiral The wind speed of the supercharged flywheel 3 after supercharging can reach more than 15 meters per second, which can play an effective heat dissipation effect. well-known prior art.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (6)

1. An oil-free scroll air compressor with a helical boosting speed-up radiating flywheel fan, comprising a drive motor (1), an air supply cylinder (4) and a scroll air compressor body (9), characterized in that: A transmission shaft (2) is installed at the output end of the driving motor (1), and the driving motor (1) drives the screw booster flywheel (3) to rotate through the transmission shaft (2), and the air supply cylinder (4) is located in the screw shaft (2). A ventilation duct (5) is connected to the outside of the booster flywheel (3), and the outside of the air supply duct (4) is provided with an air inlet (6) above the side of the air supply duct (4), and the air inlet An air filter (7) is installed on the outside of (6), and an air outlet (8) is provided at the side end of the air supply duct (4), and the scroll air compressor body (9) is located in the air supply duct (4). ), and the side of the scroll air compressor body (9) is provided with a compression chamber air inlet (10), and the interior of the scroll air compressor body (9) is provided with a static and dynamic scroll group (11), And the left end of the static and dynamic scroll group (11) is provided with a compression chamber air outlet (12), and the side surface of the scroll air compressor body (9) is provided with a cooling air outlet (13). 2. An oil-free scroll air compressor with a helical supercharging speed-up and heat-dissipating flywheel fan according to claim 1, characterized in that: the drive shaft (2), the air supply duct (4) and the scroll The central axes of the air compressor body (9) all coincide with each other, and the drive motor (1) forms a transmission connection with the screw booster flywheel (3) and the static and dynamic scroll group (11) respectively through the transmission shaft (2). 3. An oil-free scroll air compressor with a helical supercharging speed increasing heat dissipation flywheel fan according to claim 1, characterized in that: the helical supercharging flywheel (3) is a radian helical blade, and the helical increasing The cross section of the pressing flywheel (3) is arc-shaped along the radial contour line. 4. An oil-free scroll air compressor with a helical supercharging speed-up and heat-dissipating flywheel fan according to claim 1, characterized in that: the ventilation duct (5) and the heat-dissipating air outlet (13) are formed between Cooling airflow path. 5. An oil-free scroll air compressor with a helical supercharging speed-up and heat-dissipating flywheel fan according to claim 1, characterized in that: one of the air inlet (6) and the air inlet (10) of the compression chamber An air flow passage is formed through the air outlet (8) between the air inlets (8), and an air filter (7) is installed on the outside of the air inlet (6). 6. An oil-free scroll air compressor with a helical supercharging speed-up heat-dissipating flywheel fan according to claim 1, characterized in that: the heat-dissipating air outlets (13) are evenly distributed in the static and dynamic scroll groups (11). ) on the outside of the tooth surface, and a heat dissipation airflow passage is left between the dynamic and static scroll group (11) and the scroll air compressor body (9).