CN106645775A - Motor stator duct wind speed measurement device - Google Patents
Motor stator duct wind speed measurement device Download PDFInfo
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- CN106645775A CN106645775A CN201710165605.XA CN201710165605A CN106645775A CN 106645775 A CN106645775 A CN 106645775A CN 201710165605 A CN201710165605 A CN 201710165605A CN 106645775 A CN106645775 A CN 106645775A
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- 238000005259 measurement Methods 0.000 title claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000009423 ventilation Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Measuring Volume Flow (AREA)
Abstract
本发明公开了一种用于电机定子风沟风速测量装置，包括装置本体和用于固定装置本体的第一支架；所述装置本体包括配合电机定子通风槽钢的调节片和用于收集电机定子通风槽钢间气流的收集罩；调节片连接收集罩进口；可沿收集罩两侧滑动；收集罩出口连接整流管进口，整流管出口连接风速测量元器件；本发明测量准确度高、可同时进行多个风沟风速测定，适应不同空间位置装置固定，结构简单、使用方便。
The invention discloses a wind speed measuring device for a stator wind channel of a motor, which comprises a device body and a first bracket for fixing the device body; A collection cover for the air flow between the ventilation channel steel; the adjusting plate is connected to the inlet of the collection cover; it can slide along both sides of the collection cover; It can measure the wind speed of multiple wind ditches, adapt to different spatial positions and fix the device, with simple structure and convenient use.
Description
技术领域technical field
本发明涉及电机领域，具体涉及一种用于电机定子风沟风速测量装置。The invention relates to the field of motors, in particular to a wind speed measuring device for a motor stator wind channel.
背景技术Background technique
采用气体冷却的电机，定子风沟进口处为气隙高速旋转气流，紊流度大且带角度进入定子风沟，风沟内各位置风速分布不均匀，准确测量风沟评价风速难度较大；目前定子风沟风速的测量只能测得风沟出口面上的点或局部面上的风速值，得不到整个出口面上的平均风速。The air-cooled motor adopts the air gap high-speed rotating airflow at the entrance of the stator wind channel, the turbulent flow is large and enters the stator wind channel at an angle, the wind speed distribution in each position in the wind channel is uneven, and it is difficult to accurately measure the wind channel to evaluate the wind speed; At present, the measurement of the wind speed of the stator wind channel can only measure the wind speed value of a point or a local surface on the outlet surface of the wind channel, and the average wind speed on the entire outlet surface cannot be obtained.
发明内容Contents of the invention
本发明提供一种可对风沟内气流进行收集并整流的用于电机定子风沟风速测量装置，测量准确度高。The invention provides a wind speed measurement device for motor stator wind ditch which can collect and rectify the air flow in the wind ditch, and has high measurement accuracy.
本发明采用的技术方案是：一种用于电机定子风沟风速测量装置，包括装置本体和用于固定装置本体的第一支架；所述装置本体包括配合电机定子通风槽钢的调节片和用于收集电机定子通风槽钢间气流的收集罩；调节片连接收集罩进口；可沿收集罩两侧滑动；收集罩出口连接整流管进口，整流管出口连接风速测量元器件。The technical solution adopted in the present invention is: a wind speed measurement device for the motor stator wind channel, including a device body and a first bracket for fixing the device body; The collecting cover is used to collect the airflow between the stator ventilation channel steel of the motor; the adjusting piece is connected to the inlet of the collecting cover; it can slide along both sides of the collecting cover; the outlet of the collecting cover is connected to the inlet of the rectifying tube, and the outlet of the rectifying tube is connected to the wind speed measuring components.
进一步的，所述收集罩进口处设置有与定子铁心配合的密封条。Further, a sealing strip matched with the stator core is provided at the inlet of the collecting cover.
进一步的，所述风速测量元器件通过第二支架固定在整流管出口处。Further, the wind speed measuring component is fixed at the outlet of the rectifying tube through the second bracket.
进一步的，所述整流管上设置有固定螺母，用于调节测试装置与电机定子铁心间的距离。Further, the rectifier tube is provided with a fixing nut for adjusting the distance between the test device and the stator core of the motor.
进一步的，所述第一支架长度可调节。Further, the length of the first bracket is adjustable.
进一步的，所述收集罩为入口大出口小的喇叭状结构。Further, the collection cover is a trumpet-shaped structure with a large entrance and a small exit.
本发明的有益效果是：The beneficial effects of the present invention are:
（1）本发明通过收集罩将风沟内气体进行收集，经整流管进行整流后测量，提高测量准确度；(1) The present invention collects the gas in the wind channel through the collection cover, and measures it after being rectified by the rectifier tube, so as to improve the measurement accuracy;
（2）本发明可适应不同槽钢间距及风沟高度；(2) The present invention can adapt to different channel steel spacing and wind channel height;
（3）本发明通过固定螺母调节测试装置与电机定子铁心间的距离；(3) The present invention adjusts the distance between the test device and the stator core of the motor through the fixing nut;
（4）本发明可以单独使用也可以通过第一支架固定多个装置本体测试多个风沟风速，同时第一支架的长度可调节，以便适应不同空间位置风速装置固定；(4) The present invention can be used alone or through the first bracket to fix multiple device bodies to test the wind speed of multiple wind channels. At the same time, the length of the first bracket can be adjusted so as to adapt to the fixation of wind speed devices in different spatial positions;
（5）本发明结构简单、使用方便、测量准确度高。(5) The present invention has simple structure, convenient use and high measurement accuracy.
附图说明Description of drawings
图1为本发明使用效果图。Fig. 1 is the use effect drawing of the present invention.
图2为本发明中装置本体结构示意图。Fig. 2 is a schematic diagram of the structure of the device body in the present invention.
图中：1-电机定子铁心，2-电机定子通风槽钢，3-装置本体，4-第一支架，5-调节片，6-密封条，7-收集罩，8-整流管，9-固定螺母，11-风速测量元器件。In the figure: 1-motor stator core, 2-motor stator ventilation channel steel, 3-device body, 4-first bracket, 5-regulator, 6-sealing strip, 7-collecting cover, 8-rectifier tube, 9- Fixing nut, 11- wind speed measuring components.
具体实施方式detailed description
下面结合附图和具体实施例对本发明做进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
如图1-2所示，一种用于电机定子风沟风速测量装置，包括装置本体3和用于固定装置本体3的第一支架4；所述装置本体3包括配合电机定子通风槽钢2的调节片5和用于收集电机定子通风槽钢2间气流的收集罩7；调节片5连接收集罩7进口；在沿收集罩7两侧滑动；收集罩7出口连接整流管8进口，整流管8出口连接风速测量元器件11。As shown in Figure 1-2, a wind speed measurement device for the stator wind channel of a motor includes a device body 3 and a first bracket 4 for fixing the device body 3; the device body 3 includes a motor stator ventilation channel steel 2 The regulating piece 5 and the collecting cover 7 used to collect the airflow between the motor stator ventilation channel steel 2; the regulating piece 5 is connected to the inlet of the collecting cover 7; it slides along the two sides of the collecting cover 7; the outlet of the collecting cover 7 is connected to the inlet of the rectifying pipe 8, and the The outlet of the pipe 8 is connected to the wind speed measuring element 11 .
进一步的，所述收集罩7进口处设置有与定子铁心1配合的密封条6。Further, a sealing strip 6 matched with the stator core 1 is provided at the inlet of the collection cover 7 .
进一步的，所述风速测量元器件11通过第二支架10固定在整流管8出口处。Further, the wind speed measuring component 11 is fixed at the outlet of the rectifying tube 8 through the second bracket 10 .
进一步的，所述整流管8上设置有固定螺母9，用于调节测试装置与电机定子铁心1间的距离。Further, the rectifier tube 8 is provided with a fixing nut 9 for adjusting the distance between the test device and the motor stator core 1 .
进一步的，所述第一支架4长度可调节。Further, the length of the first bracket 4 can be adjusted.
进一步的，所述收集罩7为入口大出口小的喇叭状结构。Further, the collection cover 7 is a trumpet-shaped structure with a large entrance and a small exit.
使用时，将第一支架4固定在电机定子机座上，然后将调节片5插入需要测量的定子风沟内；调节调节片5，使其紧贴于两侧电机定子通风槽钢2；调节固定螺母9，使收集罩7入口处密封条6与电机定子铁心1紧密接触后，拧紧固定螺母9，将装置本体3固定在固定支架上；此时，两侧电机定子通风槽钢2间的气流将会完全进入收集罩7，进入整流管8，经过整流成均匀的气流；由在整流管8出口处由固定在第二支架10上的风速测量装置11进行测量。When in use, fix the first bracket 4 on the motor stator base, and then insert the adjusting piece 5 into the stator air ditch that needs to be measured; adjust the adjusting piece 5 so that it is close to the motor stator ventilation channel steel 2 on both sides; adjust Fix the nut 9 so that the sealing strip 6 at the entrance of the collecting cover 7 is in close contact with the motor stator core 1, then tighten the fixing nut 9 to fix the device body 3 on the fixing bracket; The airflow will completely enter the collecting cover 7, enter the rectifying pipe 8, and be rectified into a uniform airflow; it will be measured by the wind speed measuring device 11 fixed on the second support 10 at the outlet of the rectifying pipe 8.
本装置可以将风沟内两电机定子通风槽钢2间流速不均匀的气体经过收集、整流成均匀的流体进行测量，提高测量准确度；可以适应不同槽钢间距及风沟高度；另外，本装置可单独使用测试单个风沟风速，还可以通过第一支架4进行多个风沟风速同时测量；整流管8上设计螺纹，可以采用固定螺母9固定在第二支架10上且方便调节装置本体3前后位置；第一支架4可以调节长度来适应不同空间位置风速装置的固定。This device can collect and rectify the gas with uneven flow velocity between the two motor stator ventilation channel steels in the wind channel to measure it, so as to improve the measurement accuracy; it can adapt to different channel steel spacing and air channel height; in addition, this device The device can be used alone to test the wind speed of a single wind channel, and can also measure the wind speed of multiple wind channels at the same time through the first bracket 4; the rectifier tube 8 is designed with threads, which can be fixed on the second bracket 10 with the fixing nut 9 to facilitate the adjustment of the device body 3 front and rear positions; the length of the first bracket 4 can be adjusted to adapt to the fixing of wind speed devices in different spatial positions.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710165605.XA CN106645775A (en) | 2017-03-20 | 2017-03-20 | Motor stator duct wind speed measurement device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710165605.XA CN106645775A (en) | 2017-03-20 | 2017-03-20 | Motor stator duct wind speed measurement device |
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| CN106645775A true CN106645775A (en) | 2017-05-10 |
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| CN201710165605.XA Pending CN106645775A (en) | 2017-03-20 | 2017-03-20 | Motor stator duct wind speed measurement device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3719079A (en) * | 1971-04-05 | 1973-03-06 | W Howell | Air momentum anemometer |
| CN201378202Y (en) * | 2009-04-24 | 2010-01-06 | 重庆大学 | Small Wind Turbine Performance Test System |
| CN202256376U (en) * | 2011-10-24 | 2012-05-30 | 重庆市计量质量检测研究院 | Combination of constriction section and flow measurement section of medium and low speed wind tunnel |
| CN103149381A (en) * | 2013-03-01 | 2013-06-12 | 哈尔滨电机厂有限责任公司 | Rotor wind speed and wind quantity measuring system of water pumping energy storage machine set |
| CN204719068U (en) * | 2015-06-30 | 2015-10-21 | 国家电网公司 | Hydraulic generator stator air duct air speed measuring apparatus |
| CN206772996U (en) * | 2017-03-20 | 2017-12-19 | 西华大学 | One kind is used for motor stator wind ditch wind speed measuring device |
-
2017
- 2017-03-20 CN CN201710165605.XA patent/CN106645775A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3719079A (en) * | 1971-04-05 | 1973-03-06 | W Howell | Air momentum anemometer |
| CN201378202Y (en) * | 2009-04-24 | 2010-01-06 | 重庆大学 | Small Wind Turbine Performance Test System |
| CN202256376U (en) * | 2011-10-24 | 2012-05-30 | 重庆市计量质量检测研究院 | Combination of constriction section and flow measurement section of medium and low speed wind tunnel |
| CN103149381A (en) * | 2013-03-01 | 2013-06-12 | 哈尔滨电机厂有限责任公司 | Rotor wind speed and wind quantity measuring system of water pumping energy storage machine set |
| CN204719068U (en) * | 2015-06-30 | 2015-10-21 | 国家电网公司 | Hydraulic generator stator air duct air speed measuring apparatus |
| CN206772996U (en) * | 2017-03-20 | 2017-12-19 | 西华大学 | One kind is used for motor stator wind ditch wind speed measuring device |
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