Detection equipment for air volume of fan

Abstract

The utility model discloses fan air volume detection equipment, which relates to the technical field of fan air volume detection equipment and comprises a ventilation pipe and a detector, the ventilation pipe is communicated with the detector through a connecting pipe, the detector is a compensation type micromanometer, and one end of the ventilation pipe connected with an air outlet pipe of a fan is provided with a fastening component. According to the utility model, the compensation type micromanometer is adopted as a measuring instrument, so that the detection equipment can accurately measure the air volume of the fan and display visual data, the accuracy of a detection result is greatly improved, and the fastening assembly is arranged, so that the connection between the detection equipment and the fan is tighter, and the accuracy of the detection result is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan air volume detection equipment technical field, specifically a kind of detection equipment of fan air volume. BACKGROUND

[0002] Centrifugal fan is relied on input mechanical energy, improves gas pressure and sends gas, it is a kind of driven fluid machinery, centrifugal fan is widely used in factory, mine, tunnel, cooling tower, vehicle, ship and ventilation, dust removal and cooling of building;Ventilation and air induction of boiler and industrial furnace;Cooling and ventilation in air conditioning equipment and household appliance equipment;Grain drying and selection and sending;Wind tunnel air source and air cushion ship's inflation and propulsion etc., and the production quality of centrifugal fan is whether qualified is to manually estimate the air volume of centrifugal fan, but due to the difference of manual estimation cannot accurately detect whether the air volume of centrifugal fan reaches standard, time-consuming and laborious, operation is complex, improves the cost of manual detection, reduces detection accuracy and reduces the efficiency of detection, and it is possible to cause the centrifugal fan of unqualified quality to flow into market.

[0003] Through retrieval, the patent file with the announcement number CN216742041U discloses a centrifugal fan detection device, which comprises a detection box and a centrifugal fan connected with the detection box, a base is welded and fixed at the lower end of the centrifugal fan, a detection cylinder is sleeved on the air outlet pipe of the centrifugal fan, a sealing groove is formed in the inner end of the centrifugal fan connected with the air outlet pipe, a sealing ring is inserted into the sealing groove, and an annular frame is welded and fixed at the port of the other end of the detection cylinder. The centrifugal fan detection device can accurately and effectively detect the air volume generated by the centrifugal fan. The device is simple in structure, high in detection accuracy and low in cost, and is suitable for wide promotion and use. However, the device can only judge whether the air volume of the fan meets the requirements by detecting whether the detection lamp is on or not, and cannot form intuitive and accurate data, resulting in low accuracy of the detection result.

[0004] Based on this, a kind of detection equipment of fan air volume is provided, which can eliminate the drawbacks of existing device. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of detection equipment of fan air volume to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of detection equipment of fan air volume, including ventilation pipe and detection instrument, the ventilation pipe and detection instrument are connected by connecting pipe, and the ventilation pipe is provided with fastening assembly at the end connected with the air outlet pipe of fan.

[0008] On the basis of the above technical solutions, the utility model further provides the following optional technical solutions.

[0009] In an alternative, the ventilation pipe is provided with a connecting hole, one end of the connecting pipe is connected with the connecting hole, and the other end of the connecting pipe is connected with the input end of the detector.

[0010] In an alternative, a protective net is arranged at the end of the ventilation pipe away from the fan, and the protective net is fixed to the inner wall of the ventilation pipe.

[0011] In an alternative, the detector is a compensating micro pressure gauge, and the measurement accuracy of the detector is 0.01 mm.

[0012] In an alternative, the fastening assembly comprises a first fastening ring and a second fastening ring, the first fastening ring is sleeved at the end of the ventilation pipe, the second fastening ring is arranged at one side of the first fastening ring, the first fastening ring and the second fastening ring are both composed of two semicircular rings, one end of the two semicircular rings is connected through a hinge, and the other end is provided with a connecting block, the connecting block is provided with a fastening bolt, and a connecting assembly is arranged between the first fastening ring and the second fastening ring.

[0013] In an alternative, the connecting assembly comprises a first fixing block and a second fixing block, the first fixing block is fixed to the first fastening ring, the second fixing block is fixed to the second fastening ring, and a connecting screw rod and a connecting sliding rod are arranged between the first fixing block and the second fixing block.

[0014] In an alternative, the connecting screw rod is arranged at the upper end of the first fastening ring, the connecting sliding rod is arranged at the lower end of the first fastening ring, one end of the connecting screw rod is threadedly connected with the second fixing block, the other end of the connecting screw rod is rotationally connected with the first fixing block, one end of the connecting sliding rod is slidingly connected with the second fixing block, and the other end of the connecting sliding rod is fixedly connected with the first fixing block.

[0015] In an alternative, a worm wheel is arranged at one end of the connecting screw rod close to the first fixing block, a worm is meshingly connected to the upper end of the worm wheel, both ends of the worm are rotationally connected with the first fixing block, one end of the worm is provided with a connecting rod, and one end of the connecting rod is provided with a fixing rod.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The utility model discloses a compensating micro pressure gauge as a measuring instrument, which can accurately measure the air volume of the fan and display intuitive data, greatly improving the accuracy of the detection result.

[0018] 2. The utility model discloses a fastening assembly, which makes the connection between the detection equipment and the fan more compact and improves the accuracy of the detection result. Attached Figure Description

[0019] Figure 1 This is a structural schematic diagram of one side of the present invention.

[0020] Figure 2 This is a schematic diagram of the structure on the other side of this utility model.

[0021] Figure 3 This is a schematic diagram of the fastening component in this utility model.

[0022] Figure 4 This is a schematic diagram of the worm gear and worm in this utility model.

[0023] Figure reference numerals: 100, ventilation duct; 101, connecting hole; 102, protective net; 200, detector; 300, connecting pipe; 400, fastening assembly; 401, first fastening ring; 402, second fastening ring; 403, connecting block; 404, fastening bolt; 405, first fixing block; 406, second fixing block; 407, connecting screw; 408, connecting slide bar; 409, worm gear; 410, worm; 411, connecting rod; 412, fixing rod. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0025] In one embodiment, such as Figure 1 and Figure 2 As shown, a fan airflow detection device includes a ventilation pipe 100 and a detector 200. The ventilation pipe 100 and the detector 200 are connected by a connecting pipe 300. One end of the ventilation pipe 100 connected to the fan's outlet pipe is provided with a fastening component 400. In use, one end of the ventilation pipe 100 is connected to the fan's outlet pipe through the fastening component 400, and then the fan is started to blow air into the ventilation pipe 100. The airflow is then detected by the detector 200.

[0026] In one embodiment, such as Figure 2 As shown, the ventilation duct 100 is provided with a connection hole 101. One end of the connecting pipe 300 is connected to the connection hole 101, and the other end of the connecting pipe 300 is connected to the input terminal of the detector 200. When in use, the air generated by the fan passes through the ventilation duct 100, and the detector 200 detects the air volume generated by the fan in the ventilation duct 100 through the connecting pipe 300.

[0027] In one embodiment, such as Figure 1As shown in the drawings, the ventilation pipe 100 is provided with a protective net 102 at the end away from the fan, the protective net 102 is fixed on the inner wall of the ventilation pipe 100, and the protective net 102 prevents foreign matters from entering the ventilation pipe 100 during detection.

[0028] In one embodiment, the detector 200 is a compensated micro-pressure gauge, the measurement accuracy of the detector 200 is 0.01 mm, the compensated micro-pressure gauge is connected to the ventilation pipe 100 through the connecting pipe 300, and the flow rate and the differential pressure in the ventilation pipe 100 can be measured, so that the size of the fan air volume can be determined.

[0029] In one embodiment, as shown in the drawings, Figure 2 and Figure 3 The fastening assembly 400 includes a first fastening ring 401 and a second fastening ring 402, the first fastening ring 401 is sleeved on the end of the ventilation pipe 100, the second fastening ring 402 is arranged on one side of the first fastening ring 401, the first fastening ring 401 and the second fastening ring 402 are both composed of two semicircular rings, one end of the two semicircular rings is connected through a hinge, and the other end is provided with a connecting block 403, the connecting block 403 is provided with a fastening bolt 404, and a connecting assembly is arranged between the first fastening ring 401 and the second fastening ring 402, in use, the first fastening ring 401 is sleeved on the ventilation pipe 100, the second fastening ring 402 is sleeved on the air outlet pipe of the fan, and then the fastening bolt 404 is fastened, and then the distance between the ventilation pipe 100 and the air outlet pipe is adjusted through the connecting assembly, so that the ventilation pipe 100 and the air outlet pipe are tightly connected.

[0030] In one embodiment, as shown in the drawings, Figure 3 The connecting assembly includes a first fixing block 405 and a second fixing block 406, the first fixing block 405 is fixed on the first fastening ring 401, the second fixing block 406 is fixed on the second fastening ring 402, and a connecting screw rod 407 and a connecting sliding rod 408 are arranged between the first fixing block 405 and the second fixing block 406, in use, the distance between the first fixing block 405 and the second fixing block 406 is adjusted by rotating the connecting screw rod 407.

[0031] In one embodiment, as shown in the drawings, Figure 3 The connecting screw rod 407 is arranged at the upper end of the first fastening ring 401, the connecting sliding rod 408 is arranged at the lower end of the first fastening ring 401, one end of the connecting screw rod 407 is threadedly connected with the second fixing block 406, the other end of the connecting screw rod 407 is rotationally connected with the first fixing block 405, one end of the connecting sliding rod 408 is slidingly connected with the second fixing block 406, and the other end of the connecting sliding rod 408 is fixedly connected with the first fixing block 405, in use, when the connecting screw rod 407 is rotated, the distance between the first fixing block 405 and the second fixing block 406 is reduced, and the ventilation pipe 100 and the air outlet pipe are tightly connected.

[0032] In one embodiment, asFigure 4 As shown, the connecting screw rod 407 is provided with a worm wheel 409 at one end of the first fixed block 405, the upper end of the worm wheel 409 is engaged with a worm 410, the two ends of the worm 410 are rotatably connected with the first fixed block 405, one end of the worm 410 is provided with a connecting rod 411, one end of the connecting rod 411 is provided with a fixed rod 412, in use, the worm 410 is driven to rotate by rotating the connecting rod 411 and the fixed rod 412, thereby driving the connecting screw rod 407 to rotate, so that the distance between the first fixed block 405 and the second fixed block 406 is reduced until the ventilation pipe 100 is tightly connected with the air outlet pipe.

[0033] The above embodiment discloses a detection device for the air volume of a fan, in installation, first, a sealing rubber ring is sleeved on the end of the ventilation pipe 100, then the first fastening ring 401 is sleeved on the ventilation pipe 100, the second fastening ring 402 is sleeved on the air outlet pipe of the fan, then the fastening bolt 404 is fixed, then the worm 410 is driven to rotate by rotating the connecting rod 411 and the fixed rod 412, thereby driving the connecting screw rod 407 to rotate, so that the distance between the first fixed block 405 and the second fixed block 406 is reduced until the ventilation pipe 100 is tightly connected with the air outlet pipe, then the fan is started, the fan blows air into the ventilation pipe 100, and the size of the air volume is detected by the detector 200.

[0034] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An air volume detecting device for a fan, comprising a ventilation duct (100) and a detector (200), characterized in that, The ventilation pipe (100) is connected with the detector (200) through the connecting pipe (300), and one end of the ventilation pipe (100) connected with the air outlet pipe of the fan is provided with a fastening assembly (400).

2. The air volume detecting device according to claim 1, wherein The ventilation pipe (100) is provided with a connecting hole (101), one end of the connecting pipe (300) is connected with the connecting hole (101), and the other end of the connecting pipe (300) is connected with the input end of the detector (200).

3. The air volume detecting device according to claim 1, wherein The ventilation pipe (100) is provided with a protective net (102) away from the fan, and the protective net (102) is fixed on the inner wall of the ventilation pipe (100).

4. The air volume detecting device according to claim 1, wherein The detector (200) is a compensation type micro pressure gauge, and the measurement accuracy of the detector (200) is 0.01mm.

5. The air volume detecting device according to claim 1, wherein The fastening assembly (400) comprises a first fastening ring (401) and a second fastening ring (402), the first fastening ring (401) is sleeved on the end of the ventilation pipe (100), the second fastening ring (402) is arranged on one side of the first fastening ring (401), the first fastening ring (401) and the second fastening ring (402) are both composed of two semicircular rings, one end of the two semicircular rings is connected through hinging, and the other end is provided with a connecting block (403), the connecting block (403) is provided with a fastening bolt (404), and a connecting assembly is arranged between the first fastening ring (401) and the second fastening ring (402).

6. The air volume detecting device according to claim 5, wherein The connecting assembly comprises a first fixing block (405) and a second fixing block (406), the first fixing block (405) is fixed on the first fastening ring (401), the second fixing block (406) is fixed on the second fastening ring (402), and a connecting screw rod (407) and a connecting sliding rod (408) are arranged between the first fixing block (405) and the second fixing block (406).

7. The air volume detecting device according to claim 6, wherein The connecting screw rod (407) is arranged on the upper end of the first fastening ring (401), the connecting sliding rod (408) is arranged on the lower end of the first fastening ring (401), one end of the connecting screw rod (407) is threadedly connected with the second fixing block (406), the other end of the connecting screw rod (407) is rotatably connected with the first fixing block (405), one end of the connecting sliding rod (408) is slidably connected with the second fixing block (406), and the other end of the connecting sliding rod (408) is fixedly connected with the first fixing block (405).

8. The air volume detecting device according to claim 6, wherein The connecting screw rod (407) is provided with a worm wheel (409) on one end close to the first fixing block (405), the upper end of the worm wheel (409) is meshedly connected with a worm (410), the two ends of the worm (410) are rotatably connected with the first fixing block (405), one end of the worm (410) is provided with a connecting rod (411), and one end of the connecting rod (411) is provided with a fixing rod (412).

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