CN209863643U - Power conversion device - Google Patents

Abstract

The utility model discloses a power conversion device, include: a housing body, including within the housing body: the rotary shaft penetrates through the impeller and is connected with the impeller; the suction fan blade is connected with the rotating shaft, the impeller is driven to rotate by compressed air, the impeller drives the suction fan blade which is in the same rotating shaft with the impeller to rotate, and the air inlet generates suction; when the device works, a large amount of electric energy consumption is not needed, the energy-saving and environment-friendly performance is better, and the use cost is reduced.

Description

A power conversion device

technical field

The utility model relates to the technical field of vacuum cleaners, in particular to a power conversion device.

Background technique

The vacuum cleaner drives the impeller of the fan to rotate at a high speed by the motor, so that the air is discharged at a high speed, and the air in the dust-absorbing part of the front end of the fan continuously replenishes the air in the fan, resulting in an instantaneous vacuum inside the vacuum cleaner and a negative pressure difference with the external atmospheric pressure. Under the action, the dusty air is inhaled, filtered by the dust filter, and the clean air is discharged. The traditional vacuum cleaner drives the fan impeller to rotate through the electric drive motor, which has high requirements on the use conditions, and requires a lot of energy consumption during work, and the energy saving and environmental protection performance is poor, which increases the use cost.

Utility model content

In order to solve the above technical problems, the utility model proposes a power conversion device, which does not require a large amount of power consumption when the device is working, has better energy-saving and environmental protection performance, and reduces the use cost.

In order to achieve the above object, the technical scheme of the utility model is as follows:

A power conversion device, comprising: a casing body, the casing body includes:

axis of rotation;

Impeller: the rotating shaft passes through the impeller and connects with it;

Suction blade: The suction blade is connected to the rotating shaft, compressed air drives the impeller to rotate, and the impeller rotates to drive the suction blade on the same rotation axis as the impeller to rotate, and the air inlet generates suction.

The power conversion device provided by the utility model does not require a large amount of power consumption when the device is working, has good energy-saving and environmental protection performance, and reduces the use cost.

On the basis of the above-mentioned technical scheme, the following improvements can also be made:

As a preferred solution, the device includes: an air pump connected to the compressed air intake elbow.

As a preferred solution, the casing body includes: a compressed air intake elbow and a compressed air intake cavity, and the compressed air intake elbow is connected to the compressed air intake cavity.

As a preferred solution, the casing body includes: an impeller rotating chamber connected to the compressed air inlet chamber.

As a preferred solution, one, two, three or four or more sets of compressed air exhaust holes are provided on the impeller rotating cavity.

As a preferred solution, when there are more than two sets of compressed air exhaust holes, the two groups of compressed air exhaust holes arranged symmetrically with respect to the axis of rotation are the first compressed air exhaust hole and the second compressed air exhaust hole .

As a preferred solution, the casing body includes: an air intake cavity connected to the impeller rotation cavity.

As a preferred solution, one, two, three or four or more sets of suction exhaust holes are provided on the air intake cavity.

As a preferred solution, when there are more than two sets of suction exhaust holes, the two sets of horizontally symmetrically arranged suction exhaust holes are the first suction exhaust holes and the second suction exhaust holes.

As a preferred solution, the compressed air intake elbow is in an "L" shape.

Description of drawings

Fig. 1 is a cross-sectional view of a power conversion device provided by an embodiment of the present invention;

Fig. 2 is a positive two test diagram of a power conversion device provided by the embodiment of the present invention;

Among them: 1. Enclosure body, 2. Rotating shaft, 3. Impeller, 4. Suction blade, 5. Compressed air intake elbow, 6. Compressed air intake cavity, 7. Impeller rotating cavity, 8. Compressed air Vent, 81. the first compressed air vent, 82. the second compressed air vent, 9. air intake chamber, 10. suction vent, 101. the first suction vent, 102. the second Suction vent, 11. Air intake.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Preferred embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings.

In order to achieve the purpose of this utility model, as shown in Figures 1 to 2, a power conversion device in this embodiment includes: a casing body 1, and the casing body 1 includes:

axis of rotation 2;

Impeller 3: the rotating shaft 2 passes through the impeller 3 and connects with it;

Suction blade 4: the suction blade 4 is connected to the rotating shaft 2, the compressed air drives the impeller 3 to rotate, and the impeller 3 rotates to drive the suction blade 4 with the same rotation axis 2 as the impeller 3 to rotate, The air inlet 11 generates suction.

The power conversion device provided by the utility model does not require a large amount of power consumption when the device is working, has good energy-saving and environmental protection performance, and reduces the use cost.

In some embodiments, the device includes: an air pump (not shown), and the air pump (not shown) is connected to the compressed air intake elbow 5 .

Using the above embodiment, when the air pump (not shown) is connected to the compressed air intake elbow 5 , the compressed air obtained by the air pump (not shown) passes into the compressed air intake elbow 5 .

In some embodiments, the casing body 1 includes: a compressed air intake elbow 5 and a compressed air intake cavity 6 , and the compressed air intake elbow 5 is connected to the compressed air intake cavity 6 .

Using the above-mentioned embodiment, the compressed air obtained by the air pump (not shown) first passes into the compressed air intake elbow 5, and then passes into the compressed air intake chamber 6, the compressed air intake elbow 5 and the When the compressed air intake cavity 6 is connected, a sealing ring (not shown) is provided between the compressed air intake elbow 5 and the compressed air intake cavity 6 to ensure good sealing of the device.

In some embodiments, the casing body 1 includes: an impeller rotating cavity 7 connected to the compressed air inlet cavity 6 .

Using the above embodiment, when the impeller rotating chamber 7 is connected to the compressed air inlet chamber 6, the compressed air first flows into the compressed air inlet chamber 6, and then passes into the impeller rotating chamber 7, when When the impeller rotating chamber 7 is connected to the compressed air inlet chamber 6, a sealing ring is provided between the impeller rotating chamber 7 and the compressed air inlet chamber 6 to ensure good sealing of the device.

In some embodiments, the impeller rotating cavity 7 is provided with one, two, three or four or more sets of compressed air exhaust holes 8 .

Using the above embodiment, after the compressed air drives the impeller 3 to rotate, the excess compressed air needs to be discharged through the compressed air exhaust hole 8, so as to ensure that new compressed air is continuously introduced into the device and the power conversion device can work efficiently.

In some embodiments, when there are more than two sets of compressed air exhaust holes 8, the two groups of compressed air exhaust holes 8 arranged symmetrically with respect to the rotating shaft 2 are the first compressed air exhaust holes 81 and the second compressed air exhaust holes 81. Compressed air vent 82.

Adopt above-mentioned embodiment, after compressed air drives described impeller 3 to rotate, redundant compressed air is discharged through first compressed air discharge hole 81 and second compressed air discharge hole 82, and discharge redundant compressed air efficiency is higher like this, improves work efficiency.

In some embodiments, the casing body 1 includes: an air inlet chamber 9 connected to the impeller rotating chamber 7 .

According to the above embodiment, the air intake chamber 9 is provided with an air inlet 11. When the device is in operation, the compressed air drives the impeller to rotate, and the impeller rotates to drive the suction fan with the same rotation axis as the impeller to rotate. The air inlet 11 generates suction, which sucks the outside air and constantly replenishes the air in the suction fan blades.

In some embodiments, the air intake chamber 9 is provided with one, two, three or four or more sets of suction exhaust holes 10 .

Adopt above-mentioned embodiment, impeller 3 produces centrifugal force when rotating, throws air out from impeller 3, gathers in casing body 1 and raises pressure, discharges from suction exhaust hole 10; After the air in impeller 3 is discharged, Suctioning the outside air continuously replenishes the air in the suction blades 4, resulting in a momentary vacuum inside the vacuum cleaner and forming a negative pressure difference with the outside atmospheric pressure. Under the action of this pressure difference, the dust-containing air is sucked in.

In some embodiments, when there are more than two groups of suction and exhaust holes 10 , the two groups of suction and exhaust holes 10 arranged horizontally and symmetrically are the first suction and exhaust holes 101 and the second suction and exhaust holes 102 .

Using the above embodiment, when the first suction exhaust hole 101 and the second suction exhaust hole 102 are arranged horizontally and symmetrically, the impeller 3 generates centrifugal force when it rotates, and the air is thrown out from the impeller 3 and collected in the casing body 1 Increased pressure facilitates timely discharge from the first suction exhaust hole 101 and the second suction exhaust hole 102, improving work efficiency.

In some embodiments, the compressed air intake elbow 5 is in an "L" shape.

With the above embodiment, the structure is simple, the operation is convenient, and it is convenient to connect the air pump (not shown) with the compressed air intake elbow 5 .

The above are only preferred embodiments of the present utility model, and it should be pointed out that for those of ordinary skill in the art, without departing from the inventive concept of the present utility model, some deformations and improvements can also be made, and these all belong to this utility model. Protection scope of utility model.

Claims (10)

1. A power conversion device, characterized in that, comprising: a casing body, comprising: axis of rotation; Impeller: the rotating shaft passes through the impeller and connects with it; Suction blade: The suction blade is connected to the rotating shaft, compressed air drives the impeller to rotate, and the impeller rotates to drive the suction blade on the same rotation axis as the impeller to rotate, and the air inlet generates suction. 2. The power conversion device according to claim 1, characterized in that the device comprises: an air pump connected to a compressed air intake elbow. 3. The power conversion device according to claim 2, wherein the casing body comprises: a compressed air intake elbow and a compressed air intake cavity, and the compressed air intake elbow is connected to the compressed air Air intake connection. 4 . The power conversion device according to claim 3 , wherein the casing body comprises: an impeller rotating cavity, and the impeller rotating cavity is connected to the compressed air inlet cavity. 5. The power conversion device according to claim 4, characterized in that one, two, three or four or more sets of compressed air exhaust holes are provided on the impeller rotating cavity. 6. The power conversion device according to claim 5, wherein when there are more than two sets of compressed air exhaust holes, the two sets of compressed air exhaust holes arranged symmetrically with respect to the axis of rotation are the first compressed air exhaust holes. Air vent and second compressed air vent. 7 . The power conversion device according to claim 6 , wherein the casing body comprises: an air intake cavity connected to the impeller rotation cavity. 7 . 8 . The power conversion device according to claim 7 , wherein one, two, three or four or more sets of suction exhaust holes are provided on the air intake chamber. 9. The power conversion device according to claim 8, wherein when there are more than two sets of suction exhaust holes, the two groups of horizontally symmetrically arranged suction exhaust holes are the first suction exhaust holes and the first suction exhaust holes. Second suction vent. 10. The power conversion device according to claim 9, wherein the compressed air intake elbow is in an "L" shape.