CN210867435U - Speed measuring device of high-speed variable-frequency speed-regulating asynchronous motor - Google Patents
Speed measuring device of high-speed variable-frequency speed-regulating asynchronous motor Download PDFInfo
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- CN210867435U CN210867435U CN201921937481.3U CN201921937481U CN210867435U CN 210867435 U CN210867435 U CN 210867435U CN 201921937481 U CN201921937481 U CN 201921937481U CN 210867435 U CN210867435 U CN 210867435U
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- asynchronous motor
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- 238000012545 processing Methods 0.000 claims abstract description 15
- 238000012360 testing method Methods 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 18
- 230000006978 adaptation Effects 0.000 claims description 5
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a motor speed measurement technical field just discloses a high-speed variable frequency speed governing asynchronous motor's speed sensor. The speed measuring device of the high-speed variable-frequency speed-regulating asynchronous motor comprises an asynchronous motor and a speed measuring component, wherein the speed measuring component is installed at the driving end of the asynchronous motor, the asynchronous motor comprises a motor shell, a rotating shaft, a motor fixing seat, a junction box, an inner shell, an outer shell and an end cover, and the speed measuring component comprises a fixing plate, an installation plate, a protection cover, a central processing unit, a speed sensor, a frequency measuring instrument, a signal transceiver and a junction tube. This speed sensor of high speed variable frequency speed governing asynchronous motor has the advantage that conveniently tests the speed and conveniently observes, and this speed sensor can test the speed at asynchronous motor during operation, need not dismantle asynchronous motor, and central processing unit has the display screen, and the display screen can show the rotational speed in real time, and signal transceiver can convey the rotational speed to remote receiver, makes things convenient for remote control personnel to observe.
Description
Technical Field
The utility model relates to a motor speed measurement technical field specifically is a speed sensor of high-speed variable frequency speed governing asynchronous motor.
Background
The asynchronous motor is also called as an induction motor, namely, a rotor is arranged in a rotating magnetic field, and under the action of the rotating magnetic field, a rotating torque is obtained, so that the rotor rotates, and through the relative motion of the rotating magnetic field generated by a stator and a rotor winding, the rotor winding cuts a magnetic induction line to generate induced electromotive force, so that induced current is generated in the rotor winding. The induced current in the rotor winding acts with the magnetic field to generate an electromagnetic torque to rotate the rotor. When the asynchronous motor works in a motor state, the rotating speed of the rotor is less than the synchronous rotating speed.
Need measure the speed and measure the frequency asynchronous electric motor at the in-process that uses asynchronous motor, but because asynchronous motor installs mostly in narrow and small danger area, so the artifical witnessed inspections of not being convenient for to current detection device can not be real-time to asynchronous motor detects, and the data that detect moreover can only be through detecting display screen manual observation, can not carry out signal transmission, and the remote control personnel of not being convenient for observe.
SUMMERY OF THE UTILITY MODEL
The not enough to prior art, the utility model provides a high-speed variable frequency speed governing asynchronous motor's speed sensor possesses the convenient speed that tests the speed and conveniently observes advantages such as, has solved the inconvenient problem that tests the speed and inconvenient observation.
The utility model provides a technical scheme that its technical problem adopted is: the speed measuring device of the high-speed variable-frequency speed-regulating asynchronous motor comprises an asynchronous motor and a speed measuring component, wherein the speed measuring component is arranged at the driving end of the asynchronous motor.
The asynchronous motor comprises a motor shell and a rotating shaft, a motor fixing seat is fixedly mounted at the bottom of the motor shell, a junction box is fixedly mounted on the front surface of the motor shell, an inner cover shell is fixedly mounted on the right side of the motor shell, an outer cover shell is movably mounted outside the inner cover shell, an end cover is fixedly mounted on the right side of the motor shell, and threaded holes are formed in the front portion and the rear portion of the end cover.
The speed measuring component comprises a fixed plate, a mounting plate is fixedly mounted on the right side of the fixed plate, a protective cover is fixedly mounted on the right side of the mounting plate, a central processing unit is fixedly mounted inside the protective cover, a speed sensor is fixedly mounted on the upper end of the protective cover, a frequency measuring instrument is fixedly mounted at the lower end of the protective cover, a signal transceiver is fixedly mounted on the positive surface of the protective cover, a fixed hole is formed inside the fixed plate, wiring pipes are symmetrically and fixedly welded at the upper end and the lower end of the fixed plate, and bolts are inserted into symmetrical threads of the fixed plate.
Furthermore, the frequency measuring instrument and the speed sensor are electrically connected with a central processing unit, and the central processing unit is electrically connected with the signal transceiver.
Furthermore, the fixed orifices and the specification and size looks adaptation of end cover, and end cover movable mounting are inside the fixed orifices, the bolt and the specification and size looks adaptation of screw hole, and the bolt runs through the fixed plate side and extends to inside the screw hole.
Furthermore, the air inlet holes are formed in the left side walls of the inner cover shell and the outer cover shell, the sliding groove is formed in the outer surface of the inner cover shell, the sliding block is fixedly mounted inside the outer cover shell, and the sliding block is movably mounted inside the sliding groove.
Further, the rotating shaft speed measuring hole is formed in the mounting plate and the protective cover, the specification size of the fixing hole and the specification size of the rotating shaft speed measuring hole are matched with the specification size of the rotating shaft, and the rotating shaft is movably mounted in the rotating shaft speed measuring hole.
The utility model has the advantages that:
1. this high speed variable frequency speed governing asynchronous motor's speed sensor has the advantage of convenient measurement, speed sensor has been installed to the protective housing upper end among the speed sensor, the frequency measurement appearance has been installed to the lower extreme, in the in-process that uses the device to detect speed sensor and frequency measurement appearance are connected with asynchronous motor terminal box through installing the wiring pipe at the fixed plate both ends, thereby utilize speed sensor and frequency measurement appearance can be convenient real-time carry out the speed measurement frequency measurement processing to asynchronous motor, so only need install speed sensor on asynchronous motor's end cover, let the pivot pass the pivot hole that tests the speed, again with the pivot connection work equipment, speed sensor just can measure the speed to asynchronous motor's rotor pivot at asynchronous motor during operation, not only need not dismantle asynchronous motor, and do not need artifically to carry out the speed measurement to asynchronous motor on-site.
2. This high speed variable frequency speed governing asynchronous motor's speed sensor has the advantage of convenient observation, safety cover internally mounted at speed sensor has central processing unit and signal transceiver, central processing unit has the display screen, the display screen can be real-time shows asynchronous motor's pivot rotational speed, make things convenient for the field personnel to observe, and signal transceiver can convey the remote receiver such as computer or cell-phone with the rotational speed on the display screen, make things convenient for remote control personnel to observe, the convenient personnel of controlling handle asynchronous motor's real-time convenient speed measurement frequency measurement processing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic front view of the asynchronous motor of the present invention;
fig. 3 is a schematic front view of the velocity measuring assembly of the present invention;
fig. 4 is a left side view schematic diagram of the velocity measuring assembly of the present invention;
fig. 5 is a schematic diagram of the structure of the detection work flow of the present invention.
Description of reference numerals: 1-asynchronous motor, 101-motor shell, 102-rotating shaft, 103-motor fixing seat, 104-junction box, 105-inner shell, 106-outer shell, 107-end cover, 108-threaded hole, 2-speed measuring component, 201-fixing plate, 202-mounting plate, 203-protective cover, 204-central processor, 205-speed sensor, 206-frequency measuring instrument, 207-signal transceiver, 208-fixing hole, 209-wiring pipe, 210-bolt and 211-rotating shaft speed measuring hole.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-5, a speed measuring device for a high-speed variable-frequency speed-regulating asynchronous motor includes an asynchronous motor 1 and a speed measuring component 2, where the speed measuring component 2 is installed at a driving end of the asynchronous motor 1.
The speed measuring component 2 comprises a fixing plate 201, a mounting plate 202 is fixedly mounted on the right side of the fixing plate 201, a protective cover 203 is fixedly mounted on the right side of the mounting plate 202, a central processing unit 204 is fixedly mounted inside the protective cover 203, the central processing unit 204 is provided with a display screen, a speed sensor 205 is fixedly mounted at the upper end of the protective cover 204, a frequency measuring instrument 206 is fixedly mounted at the lower end of the protective cover 203, a rotating shaft speed measuring hole 211 is formed inside the mounting plate 202 and the protective cover 203, the specification size of the fixing hole 208 and the specification size of the rotating shaft speed measuring hole 211 are matched with the specification size of a rotating shaft 102, the rotating shaft 102 is movably mounted inside the rotating shaft speed measuring hole 211, the frequency measuring instrument 206 and the speed sensor 205 are electrically connected with the central processing unit 204, a signal transceiver 207 is fixedly mounted on the front surface of, the fixed orifices 208 and the specification and size looks adaptation of end cover 107, and end cover 107 movable mounting is inside fixed orifices 208, and the fixed welding of the upper and lower both ends symmetry of fixed plate 201 has wire connection pipe 209, and the bilateral symmetry screw thread of fixed plate 201 is pegged graft and is had bolt 210, and bolt 210 and the specification and size looks adaptation of screw hole 108, and bolt 210 runs through the fixed plate 201 side and extends to inside the screw hole 108.
When the device is used, the speed measuring device 2 is arranged on the end cover 107 of the asynchronous motor 1, the rotating shaft 102 penetrates through the rotating shaft speed measuring hole 211, then the bolt 210 penetrates through the side surface of the fixing plate 201 and extends into the threaded hole 108 to fix the speed measuring device 2 on the end cover 107 of the asynchronous motor 1, then the rotating shaft 102 is connected with a working device, the upper end of the protective cover 203 of the speed measuring device 2 is provided with the speed sensor 205, the lower end is provided with the frequency measuring instrument 206, the speed sensor 205 and the frequency measuring instrument 206 are connected with the junction box 104 of the asynchronous motor 1 through the wiring pipes 209 arranged at the two ends of the fixing plate 201 in the detection process of the device, so that the speed measuring and the frequency measuring of the asynchronous motor 1 can be conveniently and timely carried out by the speed sensor 205 and the frequency measuring instrument 206, and detected data can be displayed on the display screen of the central, and then the signal transceiver 207 transmits the signal to a computer or a mobile phone of an operator, so that the operator can conveniently and rapidly measure the speed and the frequency of the asynchronous motor 1 in real time.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides a high-speed variable frequency speed governing asynchronous motor's speed sensor, includes asynchronous motor (1) and tests speed subassembly (2), its characterized in that: the speed measuring component (2) is arranged at the driving end of the asynchronous motor (1);
the asynchronous motor (1) comprises a motor shell (101) and a rotating shaft (102), a motor fixing seat (103) is fixedly installed at the bottom of the motor shell (101), a junction box (104) is fixedly installed on the front surface of the motor shell (101), an inner cover shell (105) is fixedly installed on the right side of the motor shell (101), an outer cover shell (106) is movably installed outside the inner cover shell (105), an end cover (107) is fixedly installed on the right side of the motor shell (101), and threaded holes (108) are formed in the front portion and the rear portion of the end cover (107);
the speed measuring component (2) comprises a fixing plate (201), a mounting plate (202) is fixedly mounted on the right side of the fixing plate (201), a protective cover (203) is fixedly mounted on the right side of the mounting plate (202), a central processing unit (204) is fixedly mounted inside the protective cover (203), a speed sensor (205) is fixedly mounted on the upper end of the protective cover (203), a frequency measuring instrument (206) is fixedly mounted on the lower end of the protective cover (203), a signal transceiver (207) is fixedly mounted on the positive surface of the protective cover (203), a fixing hole (208) is formed inside the fixing plate (201), a wiring pipe (209) is symmetrically fixed and welded at the upper end and the lower end of the fixing plate (201), and a bolt (210) is inserted into the bilateral symmetry threads of the fixing plate.
2. The speed measuring device of the high-speed variable-frequency speed-regulating asynchronous motor according to claim 1, characterized in that: the frequency measuring instrument (206) and the speed sensor (205) are both electrically connected with the central processing unit (204), and the central processing unit (204) is electrically connected with the signal transceiver (207).
3. The speed measuring device of the high-speed variable-frequency speed-regulating asynchronous motor according to claim 1, characterized in that: the fixing hole (208) is matched with the specification and size of the end cover (107), the end cover (107) is movably mounted in the fixing hole (208), the bolt (210) is matched with the specification and size of the threaded hole (108), and the bolt (210) penetrates through the side face of the fixing plate (201) and extends into the threaded hole (108).
4. The speed measuring device of the high-speed variable-frequency speed-regulating asynchronous motor according to claim 1, characterized in that: the air inlet holes are formed in the left side walls of the inner housing (105) and the outer housing (106), the sliding groove is formed in the outer surface of the inner housing (105), the sliding block is fixedly arranged in the outer housing (106), and the sliding block is movably arranged in the sliding groove.
5. The speed measuring device of the high-speed variable-frequency speed-regulating asynchronous motor according to claim 1, characterized in that: the pivot hole (211) that tests the speed has all been seted up to mounting panel (202) and safety cover (203) inside, the specification and size looks adaptation of all with pivot (102) of fixed orifices (208) and pivot hole (211) that tests the speed, pivot (102) movable mounting is in the pivot inside of testing the speed hole (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921937481.3U CN210867435U (en) | 2019-11-11 | 2019-11-11 | Speed measuring device of high-speed variable-frequency speed-regulating asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921937481.3U CN210867435U (en) | 2019-11-11 | 2019-11-11 | Speed measuring device of high-speed variable-frequency speed-regulating asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210867435U true CN210867435U (en) | 2020-06-26 |
Family
ID=71307379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921937481.3U Expired - Fee Related CN210867435U (en) | 2019-11-11 | 2019-11-11 | Speed measuring device of high-speed variable-frequency speed-regulating asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210867435U (en) |
-
2019
- 2019-11-11 CN CN201921937481.3U patent/CN210867435U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 |