Anemograph calibration device

By introducing through holes, sealing plates, and clamping components into the anemometer calibration device, the problem of poor sealing during anemometer installation was solved, achieving higher calibration accuracy and reliability.

CN223581979UActive Publication Date: 2025-11-21CCIC(SHENZHEN)METROLOGY & TESTING SERVICE CO LTD
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Patent Information

Application Number
CN202423289191.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-11-21
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

The existing anemometer calibration device has a large groove size, which makes it difficult to ensure the sealing of the anemometer during installation, affecting the calibration accuracy and reliability.

Method used

A wind speed meter calibration device was designed, which uses a through hole, a sealing plate and a clamping assembly. The wind speed meter is fixed by the clamping assembly and the through hole is sealed by the sealing plate to ensure that the wind speed meter is completely located inside the wind tunnel body and reduce air leakage.

Benefits of technology

This improved the accuracy and reliability of anemometer calibration, reduced air leakage, and ensured the accuracy of measurement results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an anemograph calibration device, and relates to the technical field of anemograph calibration, and the anemograph calibration device comprises a wind tunnel main body, the wind tunnel main body is provided with a connecting groove, a through hole is formed between the connecting groove and the wind tunnel main body, the wind tunnel main body is provided with a sealing plate for sealing the through hole, and the sealing plate is provided with a protection box. A clamping assembly is arranged in the protection box, a connector is further placed in the protection box, the connector is connected with a connecting line, and one end of the connecting line penetrates through the protection box and is connected with a control part. Through the arrangement of the through hole, the sealing plate and the clamping assembly, the anemograph is fixed through the clamping assembly, after the sealing plate is closed, the whole anemograph is located in the wind tunnel body, the through hole is sealed by the sealing plate, the air leakage phenomenon is effectively reduced, and therefore the calibration precision and reliability are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to anemometer calibration technical field, specifically, an anemometer calibration device. BACKGROUND

[0002] In the field of wind speed measurement, anemometer as an important measuring tool, its accuracy and reliability are directly related to the accuracy and reliability of wind speed measurement, however, the current market anemometer due to manufacturers, design specifications and application scene are different, the probe size and shape exist big difference, in order to adapt to these different specifications anemometer, the traditional anemometer calibration device is provided with larger recess on the wind tunnel, this method although to some extent, the compatibility of device to different specifications anemometer is improved, but at the same time also brought new problems.

[0003] Specifically, due to the larger size of the recess, when the anemometer is installed in the recess, it is often difficult to ensure the complete sealing between the recess and the probe, which leads to the risk of air leakage in the anemometer calibration process, thereby affecting the accuracy and reliability of calibration, air leakage not only leads to the deviation of measurement results, but also may mislead the performance evaluation of anemometer, thereby affecting the subsequent wind speed measurement work. SUMMARY

[0004] The utility model discloses the purpose at: to the recess size of the present big, when the anemometer is installed in the recess, it is difficult to guarantee the sealing between the recess and the probe.

[0005] In order to realize the above-mentioned invention purpose, the utility model provides an anemometer calibration device to improve the above-mentioned problem.

[0006] The application is as follows:

[0007] An anemometer calibration device, comprising a wind tunnel main body, a connecting groove is formed on the wind tunnel main body, a through hole is formed between the connecting groove and the wind tunnel main body, a sealing plate is arranged on the wind tunnel main body for sealing the through hole, a protective box is installed on the sealing plate, a clamping assembly is arranged in the protective box, a connector is placed in the protective box, the connector is connected with a connecting line, one end of the connecting line passes through the protective box and is connected with a control part.

[0008] As a preferred technical scheme of the application, the clamping assembly comprises a first clamping block installed in the protective box, a threaded rod is rotatably connected to one side of the first clamping block through a bearing, and a second clamping block is threadedly connected to the outer surface of the threaded rod.

[0009] As a preferred technical scheme of the present application, the first clamping block is fixedly connected with a limiting rod on the side close to the second clamping block, and one end of the limiting rod penetrates through the second clamping block.

[0010] As a preferred technical scheme of the present application, the control part comprises a controller connected with the connecting line, a touch screen is installed on the controller, and the touch screen is installed on the outer side of the sealing plate.

[0011] As a preferred technical scheme of the present application, a sealing strip is installed on the side of the sealing plate away from the controller.

[0012] As a preferred technical scheme of the present application, a handle is installed on the side of the sealing plate close to the controller.

[0013] As a preferred technical scheme of the present application, a transparent window is arranged on the front side of the wind tunnel main body.

[0014] As a preferred technical scheme of the present application, a limiting piece is arranged between the sealing plate and the wind tunnel main body, the limiting piece comprises a lock hook installed on the side of the sealing plate close to the controller, and a lock catch is installed on the wind tunnel main body and used in cooperation with the lock hook.

[0015] As a preferred technical scheme of the present application, a fan is installed at one end of the wind tunnel main body.

[0016] As a preferred technical scheme of the present application, a support frame is installed at the bottom of the wind tunnel main body, and the support frame is used for supporting the wind tunnel main body.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] In the scheme of the present application:

[0019] In order to solve the problem that the groove size is large in the prior art, and it is difficult to ensure the sealing between the groove and the probe when the anemometer is installed in the groove, the through hole, the sealing plate and the clamping assembly are arranged, the anemometer is fixed through the clamping assembly, the anemometer is located in the wind tunnel main body as a whole after the sealing plate is closed, the through hole is sealed by the sealing plate, the air leakage phenomenon is effectively reduced, and the calibration accuracy and reliability are improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The structure schematic view of the anemometer calibration device provided by the present application is shown in the figure.

[0021] Figure 2 The structure schematic view of the anemometer calibration device provided by the present application is shown in the figure.

[0022] Figure 3 The structure schematic view of the inside of the protective box of the anemometer calibration device provided by the present application is shown in the figure.

[0023] Figure 4 The controller structure schematic diagram of the wind speed instrument calibration device provided in the present application is shown in the figure.

[0024] Figure 5 The structure schematic diagram of the wind speed instrument calibration device provided in the present application in use is shown in the figure.

[0025] The figure shows:

[0026] 1, wind tunnel main body; 101, connecting groove; 102, through hole; 103, sealing plate; 104, protective box; 105, sealing strip; 106, transparent window; 107, support frame; 108, fan; 109, handle; 2, first clamping block; 202, second clamping block; 203, limiting rod; 204, threaded rod; 3, joint; 301, connecting line; 302, controller; 303, touch screen; 4, lock hook; 5, lock catch. DETAILED DESCRIPTION

[0027] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present application.

[0028] As described in the background, since the groove size is large, when the wind speed instrument is installed in the groove, it is often difficult to ensure complete sealing between the groove and the probe, which leads to the risk of air leakage in the wind speed instrument calibration process, thereby affecting the accuracy and reliability of the calibration. Air leakage not only causes the deviation of the measurement result, but also may mislead the performance evaluation of the wind speed instrument, thereby affecting the subsequent wind speed measurement work.

[0029] In order to solve this technical problem, the present application provides a wind speed instrument calibration device, which is applied to the calibration of the wind speed instrument.

[0030] Specifically, please refer to Figures 1-5 , the wind speed instrument calibration device specifically comprises:

[0031] The wind tunnel main body 1 is provided with a connecting groove 101, and a through hole 102 is arranged between the connecting groove 101 and the wind tunnel main body 1, and a sealing plate 103 is arranged on the wind tunnel main body 1 and used for sealing the through hole 102, a protection box 104 is arranged on the sealing plate 103, a clamping assembly is arranged in the protection box 104, a connector 3 is placed in the protection box 104, the connector 3 is connected with a connecting line 301, and one end of the connecting line 301 penetrates through the protection box 104 and is connected with a control part.

[0032] The wind speed instrument calibration device has the advantages that the through hole 102, the sealing plate 103 and the clamping assembly are arranged, the wind speed instrument is fixed through the clamping assembly, the whole wind speed instrument is located in the wind tunnel main body 1 after the sealing plate 103 is closed, the through hole 102 is sealed by the sealing plate 103, the air leakage phenomenon is effectively reduced, and therefore the calibration accuracy and reliability are improved.

[0033] In order for those skilled in the art to better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings.

[0034] It should be noted that the embodiments in the present application and the features and technical schemes in the embodiments can be combined with each other without conflict.

[0035] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0036] Embodiment 1, please refer to Figures 1-5 A wind speed instrument calibration device, comprising a wind tunnel main body 1, the wind tunnel main body 1 is provided with a connecting groove 101, a through hole 102 is arranged between the connecting groove 101 and the wind tunnel main body 1, a sealing plate 103 is arranged on the wind tunnel main body 1 and used for sealing the through hole 102, a protection box 104 is arranged on the sealing plate 103, a clamping assembly is arranged in the protection box 104, a connector 3 is placed in the protection box 104, the connector 3 is connected with a connecting line 301, and one end of the connecting line 301 penetrates through the protection box 104 and is connected with a control part; the through hole 102, the sealing plate 103 and the clamping assembly are arranged, the wind speed instrument is fixed through the clamping assembly, the whole wind speed instrument is located in the wind tunnel main body 1 after the sealing plate 103 is closed, the through hole 102 is sealed by the sealing plate 103, the air leakage phenomenon is effectively reduced, and therefore the calibration accuracy and reliability are improved, the protection box 104 can reduce the protrusion of the clamping assembly, the sealing plate 103 and the wind tunnel main body 1 are connected through a hinge, and existing standard detection equipment such as a standard wind speed sensor is arranged in the wind tunnel main body 1 and used for providing a wind speed standard value as a calibration reference.

[0037] Further, as shown in Figure 1 and Figure 3 , the clamping assembly comprises a first clamping block 2 installed in the protective box 104, one side of the first clamping block 2 is rotatably connected with a threaded rod 204 through a bearing, the outer surface of the threaded rod 204 is threadedly connected with a second clamping block 202, rotating the threaded rod 204 can drive the second clamping block 202 to approach or move away from the first clamping block 2, when the second clamping block 202 approaches the first clamping block 2, the anemometer is fixed, and when the second clamping block 202 moves away from the first clamping block 2, the fixing is released.

[0038] Further, as shown in Figure 3 , the side of the first clamping block 2 close to the second clamping block 202 is fixedly connected with a limiting rod 203, one end of the limiting rod 203 penetrates through the second clamping block 202, and the limiting rod 203 can limit the second clamping block 202 to prevent the second clamping block 202 from rotating during the rotation of the threaded rod 204.

[0039] Embodiment 2, the anemometer calibration device provided in embodiment 1 is further optimized, specifically, as shown in Figure 2 and Figure 4 , the control part comprises a controller 302 connected with a connecting line 301, the controller 302 is installed with a touch screen 303, and the touch screen 303 is installed on the outer side of the sealing plate 103, the connector 3 can be provided with multiple, and multiple connectors 3 are of different models to adapt to different anemometers, the connecting line 301 is sealed at the connection with the protective box 104 using glue, after the connector 3 is connected with the interface on the anemometer, the detection data of the anemometer is transmitted to the controller 302 through the connector 3 and the connecting line 301, and is displayed by the touch screen 303, the measured value is compared with the actual adjusted wind speed, so as to calibrate the anemometer.

[0040] Further, as shown in Figure 2 , a sealing strip 105 is installed on the side of the sealing plate 103 away from the controller 302, the sealing strip 105 can improve the sealing between the sealing plate 103 and the connecting groove 101 after the sealing plate 103 is closed.

[0041] Further, as shown in Figure 4 , the side of the sealing plate 103 close to the controller 302 is installed with a handle 109, the handle 109 is provided to facilitate the opening and closing of the sealing plate 103.

[0042] Embodiment 3, the anemometer calibration device provided in embodiment 1 or 2 is further optimized, specifically, as shown in Figure 1 , the front of the wind tunnel main body 1 is provided with a transparent window 106, the transparent window 106 is provided to facilitate observation of the inside of the wind tunnel main body 1.

[0043] Further, as shown in Figures 1-4As shown, the sealing plate 103 and the wind tunnel body 1 are provided with a limiting piece, the limiting piece comprises a lock hook 4 installed on the sealing plate 103 close to the controller 302, and the wind tunnel body 1 is provided with a lock catch 5 matched with the lock hook 4, when the sealing plate 103 is closed, the lock hook 4 can be buckled with the lock catch 5 to fix the sealing plate 103.

[0044] Further, as shown in the drawings, Figure 1 As shown, the wind tunnel body 1 is provided with a fan 108 at one end, and the fan 108 is used for the required wind conditions during testing.

[0045] Further, as shown in the drawings, Figure 1 As shown, the bottom of the wind tunnel body 1 is provided with a support frame 107, and the support frame 107 is used to support the wind tunnel body 1.

[0046] The use process of the anemometer calibration device is as follows:

[0047] The anemometer is clamped between the first clamping block 2 and the second clamping block 202, and the connector 3 is connected with the interface of the anemometer, the sealing plate 103 is closed, the sealing plate 103 is located in the connecting groove 101, and the anemometer is also located in the wind tunnel body 1, the lock hook 4 and the lock catch 5 are buckled together to fix the sealing plate 103, the through hole 102 is sealed by the sealing plate 103 and the sealing strip 105, and the fan 108 is started.

[0048] In the utility model, unless another definite provision and limitation, the terms "installation", "connection", "link", "fixation" and the like should be understood in a broad sense, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection or can communicate with each other;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication or the interaction of two elements of two elements, unless another definite limitation. For ordinary skilled in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model in specific circumstances.

[0049] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or equivalently replace some of the technical features. Any equivalent structure made by using the content of the present application specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection scope of the present application.

Claims

1. A wind speed meter calibration device, characterized in that, The system includes a wind tunnel body (1), on which a connecting groove (101) is provided, and a through hole (102) is provided between the connecting groove (101) and the wind tunnel body (1). A sealing plate (103) for sealing the through hole (102) is provided on the wind tunnel body (1). A protective box (104) is installed on the sealing plate (103). A clamping assembly is provided inside the protective box (104). A connector (3) is also placed inside the protective box (104). A connecting line (301) is connected to the connector (3). One end of the connecting line (301) passes through the protective box (104) and is connected to a control unit.

2. The anemometer calibration device according to claim 1, characterized in that, The clamping assembly includes a first clamping block (2) installed inside the protective box (104), and a threaded rod (204) is rotatably connected to one side of the first clamping block (2) via a bearing. A second clamping block (202) is threadedly connected to the outer surface of the threaded rod (204).

3. The anemometer calibration device according to claim 2, characterized in that, A limiting rod (203) is fixedly connected to the side of the first clamping block (2) near the second clamping block (202), and one end of the limiting rod (203) passes through the second clamping block (202).

4. The anemometer calibration device according to claim 3, characterized in that, The control unit includes a controller (302) connected to a connecting line (301), a touch screen (303) is mounted on the controller (302), and the touch screen (303) is mounted on the outer surface of the sealing plate (103).

5. The anemometer calibration device according to claim 4, characterized in that, A sealing strip (105) is installed on the side of the sealing plate (103) away from the controller (302).

6. The anemometer calibration device according to claim 5, characterized in that, A handle (109) is installed on the side of the sealing plate (103) near the controller (302).

7. The anemometer calibration device according to claim 6, characterized in that, The wind tunnel body (1) has a transparent viewing window (106) on the front.

8. The anemometer calibration device according to claim 7, characterized in that, A limiting component is provided between the sealing plate (103) and the wind tunnel body (1). The limiting component includes a locking hook (4) installed on the side of the sealing plate (103) near the controller (302). A locking buckle (5) that works with the locking hook (4) is installed on the wind tunnel body (1).

9. The anemometer calibration device according to claim 8, characterized in that, A fan (108) is installed at one end of the wind tunnel body (1).

10. The anemometer calibration device according to claim 9, characterized in that, The bottom of the wind tunnel body (1) is equipped with a support frame (107), which is used to support the wind tunnel body (1).