CN219369058U - Centrifugal air blower air tightness detection device - Google Patents
Centrifugal air blower air tightness detection device Download PDFInfo
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- CN219369058U CN219369058U CN202320233952.2U CN202320233952U CN219369058U CN 219369058 U CN219369058 U CN 219369058U CN 202320233952 U CN202320233952 U CN 202320233952U CN 219369058 U CN219369058 U CN 219369058U
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- air
- centrifugal blower
- air inlet
- positioning
- sealing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses an air tightness detection device of a centrifugal blower, which comprises: the base comprises a supporting seat and a bracket, wherein the supporting seat is used for placing a shell of the centrifugal blower to be tested; the first fixed sealing assembly comprises a first air cylinder and a first sealing piece, the first air cylinder is fixed on the bracket, the first air cylinder is connected with the first sealing piece, an air inlet hole is formed in the first sealing piece, and the first sealing piece is used for sealing an air inlet of the centrifugal blower; the second fixed sealing assembly comprises a second air cylinder and a second sealing piece, the second air cylinder is fixed on the bracket, and the second air cylinder is connected with the second sealing piece; the detection device comprises an air inlet device and a gas flow rate sensor, wherein the air inlet device is communicated with the air inlet hole, and the air inlet device is used for introducing gas into the centrifugal blower. The utility model has simple operation and high detection efficiency.
Description
Technical Field
The utility model relates to the technical field of detection devices, in particular to a centrifugal blower air tightness detection device.
Background
The volute is a key component of the centrifugal blower, and is used for converging the airflow at the impeller outlet and guiding the airflow to the blower outlet, and at the same time, converting part of kinetic energy of the airflow into pressure energy, so that the volute has an important influence on the performance of the centrifugal blower; defects such as sand holes, bubbles, shell breakage and the like are inevitably generated in the production process of the volute, if the damage occurs on the outer surface of the volute, the defects can be found in a visual observation mode, and if the defects occur on the inner cavity wall of the volute or at a dead angle of a visual line, the defects cannot be observed by naked eyes; if the defect penetrates the casing, the air leakage of the blower during operation occurs, and the performance of the blower is seriously deteriorated, and after the assembly of the blower casing is completed, sealing treatment is required at the joint gap, and if the treatment is improper, the air leakage is caused, and the performance of the blower is affected. Therefore, the air tightness of the blower shell is required to be detected before the blower leaves the factory, the air leakage accident is avoided, the traditional detection mode is to insert an air pipe into the shell, seal the air inlet and the air outlet of the shell, sink the closed shell together with the air pipe into a water tank integrally, enable the air pipe to be connected with high-pressure air, and then observe the quantity of air bubbles leaking from a volute, so that the air tightness is judged. However, this detection method is complicated to operate and low in efficiency, and therefore, a gas tightness detection device with simple operation and high efficiency is required.
Disclosure of Invention
The utility model provides a centrifugal blower air tightness detection device which is simple and convenient to operate and high in detection efficiency.
In order to solve the above technical problem, the present utility model provides an air tightness detection device of a centrifugal blower, comprising:
the base comprises a supporting seat and a bracket, wherein the supporting seat is used for placing a shell of the centrifugal blower to be tested;
the first fixed sealing assembly comprises a first air cylinder and a first sealing piece, the first air cylinder is fixed on the bracket, the first air cylinder is connected with the first sealing piece, an air inlet hole is formed in the first sealing piece, and the first sealing piece is used for sealing an air inlet of the centrifugal blower;
the second fixed sealing assembly comprises a second air cylinder and a second sealing piece, the second air cylinder is fixed on the bracket, the second air cylinder is connected with the second sealing piece, and the second sealing piece is used for sealing an air outlet of the centrifugal blower;
the detection device comprises an air inlet device and a gas flow rate sensor, wherein the air inlet device is communicated with the air inlet hole, the air inlet device is used for introducing gas into the centrifugal blower, and the gas flow rate sensor is used for detecting the gas flow rate of the air inlet device.
As a preferable aspect of the above technical solution, the support base is provided with a first positioning portion, and the first positioning portion is used for being matched with a positioning surface preset on the centrifugal blower.
As a preferable mode of the above technical solution, the support seat is provided with a second positioning portion, and the second positioning portion is used for being abutted with an air outlet of the centrifugal blower.
As the preferable of the above technical scheme, the support is provided with a positioning component, and the positioning component comprises a positioning piece, and the positioning piece is used for being matched with a positioning plane preset on the centrifugal blower.
As the optimization of the technical scheme, the positioning assembly further comprises a positioning air cylinder, wherein the positioning air cylinder is fixed on the support, and the positioning piece is connected with the positioning air cylinder.
Preferably, the air inlet device comprises an air inlet pipe, and the air inlet pipe penetrates through the air inlet hole.
Preferably, the detection device further comprises a display device, and the display device is electrically connected with the gas flow rate sensor.
The utility model provides an air tightness detection device of a centrifugal blower, comprising: the base comprises a supporting seat and a support, the first fixed sealing component comprises a first cylinder and a first sealing piece, the second fixed sealing piece comprises a second cylinder and a second sealing piece, the detection device comprises an air inlet device and a gas flow rate sensor, when the detection device detects the gas, a shell of the centrifugal blower to be detected is placed on the supporting seat, the first sealing piece is driven by the first cylinder to be abutted with an air inlet of the centrifugal blower, the effect of sealing the air inlet of the centrifugal blower is achieved, the second sealing piece is driven by the second cylinder to be abutted with an air outlet of the centrifugal blower, the effect of sealing the air outlet of the centrifugal blower is achieved, after the air inlet and the air outlet of the centrifugal blower are sealed, the air inlet device is used for introducing gas into the centrifugal blower through the air inlet hole, and when the inside of the centrifugal blower is full of gas, the internal air pressure reaches a certain range, and the air flow rate sensor cannot detect the gas flow rate when the inside the centrifugal blower is full of gas, and the air inlet flow rate sensor cannot be detected, if the air flow rate of the centrifugal blower is well-changed, and the air flow rate cannot be detected, and the air leakage cannot be well-known if the air flow rate sensor is detected. The utility model uses the gas flow rate sensor to detect the flow rate of the gas to be introduced, so that the tightness of the centrifugal blower can be detected, the operation is simple and convenient, and the detection efficiency is high.
The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present utility model more readily apparent.
Drawings
FIG. 1 is a diagram showing the state of use of an air tightness detecting device of a centrifugal blower according to an embodiment of the present utility model;
fig. 2 is a schematic perspective view of an air tightness detecting device of a centrifugal blower according to an embodiment of the present utility model;
fig. 3 is a schematic perspective view of an air tightness detecting device of a centrifugal blower according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a detecting device of an air tightness detecting device of a centrifugal blower according to an embodiment of the present utility model;
in the figure: 1. a base; 2. a first stationary seal assembly; 3. a second stationary seal assembly; 4. a detection device; 101. a support base; 102. a bracket; 103. a first positioning portion; 104. a second positioning portion; 105. a positioning assembly; 106. a positioning piece; 107. positioning a cylinder; 201. a first cylinder; 202. a first seal; 203. an air inlet hole; 301. a second cylinder; 302. a second seal; 401. an air intake device; 402. a gas flow rate sensor; 403. an air inlet pipe; 404. a display device.
Detailed Description
In order to make the objects, features and advantages of the present utility model more comprehensible, the technical solutions according to the embodiments of the present utility model will be clearly described in the following with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, an embodiment of the present utility model provides an air tightness detecting device 4 of a centrifugal blower, comprising:
the base 1 comprises a supporting seat 101 and a bracket 102, wherein the supporting seat 101 is used for placing a shell of a centrifugal blower to be tested;
the first fixed sealing assembly 2 comprises a first air cylinder 201 and a first sealing piece 202, wherein the first air cylinder 201 is fixed on the bracket 102, the first air cylinder 201 is connected with the first sealing piece 202, an air inlet hole 203 is formed in the first sealing piece 202, and the first sealing piece 202 is used for sealing an air inlet of the centrifugal blower;
a second fixed sealing assembly 3, comprising a second cylinder 301 and a second sealing member 302, wherein the second cylinder 301 is fixed on the bracket 102, the second cylinder 301 is connected with the second sealing member 302, and the second sealing member 302 is used for sealing an air outlet of the centrifugal blower;
the detection device 4 comprises an air inlet device 401 and a gas flow rate sensor 402, the air inlet device 401 is communicated with the air inlet hole 203, the air inlet device 401 is used for introducing gas into the centrifugal blower, and the gas flow rate sensor 402 is used for detecting the gas flow rate of the air inlet device 401.
The embodiment of the utility model provides an air tightness detection device 4 of a centrifugal blower, which comprises the following components: the base 1, the first fixed seal assembly 2, the second fixed seal assembly 3 and the detection device 4, the base 1 comprises a supporting seat 101 and a support 102, the first fixed seal assembly 2 comprises a first cylinder 201 and a first seal member 202, the second fixed seal member comprises a second cylinder 301 and a second seal member 302, the detection device 4 comprises an air inlet device 401 and a gas flow rate sensor 402, when the centrifugal blower to be detected is used, a shell of the centrifugal blower to be detected is placed on the supporting seat 101, the first seal member 202 is driven by the first cylinder 201 to be in contact with an air inlet of the centrifugal blower, the effect of sealing the air inlet of the centrifugal blower is achieved, the second seal member 302 is driven by the second cylinder 301 to be in contact with an air outlet of the centrifugal blower, the effect of sealing the air outlet of the centrifugal blower is achieved, after the air inlet and the air outlet of the centrifugal blower are sealed, the air inlet device 401 is used for introducing gas into the centrifugal blower through the air inlet hole 203, and when the air flow rate sensor 402 is full of the centrifugal blower to be detected, and when the air flow rate inside the centrifugal blower is not detected, the air flow rate sensor 402 is not used, and the air flow rate cannot be well detected when the air flow rate of the centrifugal blower is detected, and the air flow rate does not reach a certain range, and the air flow rate cannot reach the inside the centrifugal blower, and the air flow rate sensor is well when the air flow rate is detected. The utility model has simple operation and high detection efficiency.
In a further implementation of the present embodiment, the support base 101 is provided with a first positioning portion 103, and the first positioning portion 103 is configured to cooperate with a positioning surface preset on the centrifugal blower.
In this embodiment, the first positioning portion 103 is a circular positioning hole, and when in detection, the centrifugal blower is placed on the supporting seat 101, so that the positioning surface on the centrifugal blower is matched with the first positioning portion 103, and the positioning effect can be achieved, so that the operation of operators is more convenient, and the detection efficiency is improved.
In a further implementation manner of this embodiment, the supporting seat 101 is provided with a second positioning portion 104, and the second positioning portion 104 is configured to abut against an air outlet of the centrifugal blower.
In this embodiment, the supporting seat 101 is provided with the second positioning portion 104, and during detection, the centrifugal blower is placed on the supporting seat 101, so that the air outlet of the centrifugal blower is abutted to the second positioning portion 104, and the first positioning portion 103 and the second positioning portion 104 jointly play a role in positioning, so that the operation of an operator is more convenient, and the detection efficiency is improved.
In a further implementation of this embodiment, the support 102 is provided with a positioning assembly 105, and the positioning assembly 105 includes a positioning member 106, where the positioning member 106 is configured to cooperate with a positioning plane preset on the centrifugal blower.
In this embodiment, be provided with locating component 105 on the support 102, locating component 105 includes setting element 106, and during the detection, place centrifugal air-blower on supporting seat 101, make the setting at the locating plane of centrifugal air-blower side with setting element 106 butt, setting element 106 plays the location effect, makes the operating personnel operation more convenient, improves detection efficiency.
In a further implementation manner of this embodiment, the positioning assembly 105 further includes a positioning cylinder 107, where the positioning cylinder 107 is fixed on the bracket 102, and the positioning member 106 is connected to the positioning cylinder 107.
In this embodiment, the positioning assembly 105 further includes a positioning cylinder 107, the positioning cylinder 107 may drive the positioning member 106 to move, when detecting, the positioning of the centrifugal blower is primarily completed through the first positioning portion 103 and the second positioning portion 104, and the positioning member 106 is driven to move through the positioning cylinder 107, so that the positioning member 106 is abutted to and extruded with a positioning plane on the centrifugal blower, and in combination with the first positioning portion 103 and the second positioning portion 104, a fixing effect is achieved, displacement of the centrifugal blower in a sealing process is avoided, a sealing effect is affected, and a detection effect is finally affected.
In a further implementation manner of this embodiment, the air intake device 401 includes an air intake pipe 403, and the air intake pipe 403 is disposed through the air intake hole 203.
In this embodiment, the air intake device 401 includes an air intake pipe 403, the air intake pipe 403 is inserted into the air intake hole 203, and an outer sidewall of the air intake pipe 403 is abutted to an inner sidewall of the air intake hole 203, so as to achieve a sealing effect, and the air intake pipe 403 is a hose, so that the air intake pipe 403 is convenient to move along with the first sealing member 202, and is convenient for subsequent maintenance.
In a further implementation manner of this embodiment, the detecting device 4 further includes a display device 404, where the display device 404 is electrically connected to the gas flow rate sensor 402.
In this embodiment, the display device 404 is electrically connected to the gas flow rate sensor 402, and the display device 404 is used for displaying the value of the gas flow rate detected by the gas flow rate sensor 402.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (7)
1. A centrifugal blower air tightness detection device, characterized by comprising:
the base comprises a supporting seat and a bracket, wherein the supporting seat is used for placing a shell of the centrifugal blower to be tested;
the first fixed sealing assembly comprises a first air cylinder and a first sealing piece, the first air cylinder is fixed on the bracket, the first air cylinder is connected with the first sealing piece, an air inlet hole is formed in the first sealing piece, and the first sealing piece is used for sealing an air inlet of the centrifugal blower;
the second fixed sealing assembly comprises a second air cylinder and a second sealing piece, the second air cylinder is fixed on the bracket, the second air cylinder is connected with the second sealing piece, and the second sealing piece is used for sealing an air outlet of the centrifugal blower;
the detection device comprises an air inlet device and a gas flow rate sensor, wherein the air inlet device is communicated with the air inlet hole, the air inlet device is used for introducing gas into the centrifugal blower, and the gas flow rate sensor is used for detecting the gas flow rate of the air inlet device.
2. The air tightness detection device according to claim 1, wherein the support base is provided with a first positioning portion for cooperation with a positioning surface preset on the centrifugal blower.
3. The air tightness detection device according to claim 2, wherein the supporting seat is provided with a second positioning portion for abutting with an air outlet of the centrifugal blower.
4. A gas tightness detection device according to claim 3 wherein a locating assembly is provided on the support, the locating assembly comprising a locating member for cooperation with a locating plane preset on the centrifugal blower.
5. The air tightness detection device of claim 4 wherein the positioning assembly further comprises a positioning cylinder, the positioning cylinder being secured to the bracket, the positioning member being coupled to the positioning cylinder.
6. The air tightness detection device according to claim 1, wherein the air intake device includes an air intake pipe penetrating in the air intake hole.
7. The gas tightness detection device of claim 6 further comprising a display device electrically connected to said gas flow rate sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320233952.2U CN219369058U (en) | 2023-02-16 | 2023-02-16 | Centrifugal air blower air tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320233952.2U CN219369058U (en) | 2023-02-16 | 2023-02-16 | Centrifugal air blower air tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219369058U true CN219369058U (en) | 2023-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320233952.2U Active CN219369058U (en) | 2023-02-16 | 2023-02-16 | Centrifugal air blower air tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219369058U (en) |
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2023
- 2023-02-16 CN CN202320233952.2U patent/CN219369058U/en active Active
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