CN209590062U - A kind of device for detecting motor rotary speed - Google Patents
A kind of device for detecting motor rotary speed Download PDFInfo
- Publication number
- CN209590062U CN209590062U CN201920551524.8U CN201920551524U CN209590062U CN 209590062 U CN209590062 U CN 209590062U CN 201920551524 U CN201920551524 U CN 201920551524U CN 209590062 U CN209590062 U CN 209590062U
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- China
- Prior art keywords
- rotating disc
- rubber sleeve
- shell
- transmitter
- central processing
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Abstract
The utility model provides a kind of device for detecting motor rotary speed, belong to technical field of motors, including shell, fixing bolt, bearing, rotating disc, rubber sleeve, RF transmitter, infrared receiver, central processing unit, battery and display screen, the inner wall welding of shell is provided with two fixing bolts, fixing bolt, which extends through, to be welded in two bearings, and bearing, which extends through, to be welded in two rotating discs.Rubber sleeve quality in the utility model is softer, it can be good at realizing the function of transmission, simultaneously, the rotation of rotating disc can be such that detection hole rotates together, rotating disc and detection hole per revolution, infrared receiver will receive an infrared ray, the data that central processing unit is fed back by infrared receiver, it obtains rotating disc each second and rotates several circles, to obtain the revolving speed of rotating disc, and the linear velocity of rotating disc and the linear velocity of machine shaft are consistent, to obtain the linear velocity of motor, rubber sleeve reduces the abrasion of rotating disc very well, improve its service life.
Description
Technical field
The utility model relates to technical field of motors, specifically, being related to a kind of device for detecting motor rotary speed.
Background technique
Motor refers to a kind of calutron that electric energy conversion or transmitting are realized according to the law of electromagnetic induction, and motor is in circuit
It is to be indicated with letter M, its main function is to generate driving torque, as electrical appliance or the power source of various machinery, generator
Indicate that its main function is that electric energy is converted into using mechanical energy, and the type of motor is varied at present with letter G in circuit
Such as direct current generator and alternating current generator, direct current casing are divided into brushless direct current motor and brush DC motors, brushed DC
Motor can be divided into permanent magnet direct current motor and electromagnetism dc motor etc., and motor needs to examine in use sometimes
The revolving speed of measured motor, and speed detector in the prior art, there are complicated for operation, internal structure gearing friction power is big, mill
Damage the problems such as serious service life is not long.Therefore, it is necessary to further be studied on the basis of speed detector, one is provided
Kind device for detecting motor rotary speed.
Utility model content
This kind of device for detecting motor rotary speed solves set forth above complicated for operation, and internal structure gearing friction power is big, abrasion
The problem that serious service life is not grown, provides a kind of device for detecting motor rotary speed, the rubber sleeve quality in the speed detector
It is softer, it can be good at the function of realizing transmission, meanwhile, the rotation of rotating disc can be such that detection hole rotates together, rotating disc and inspection
Gaging hole per revolution, infrared receiver will receive an infrared ray, and central processing unit passes through infrared receiver
The data of feedback obtain rotating disc each second and rotate several circles, thus obtain the revolving speed of rotating disc, and the linear velocity of rotating disc and electricity
The linear velocity of machine shaft is consistent, to obtain the linear velocity of motor, rubber sleeve reduces the abrasion of rotating disc very well, improves it
Service life.
The utility model provides the following technical solutions: a kind of device for detecting motor rotary speed, including shell, fixing bolt, bearing,
Rotating disc, rubber sleeve, RF transmitter, infrared receiver, central processing unit, battery and display screen, the shell
Inner wall welding be provided with two fixing bolts, the fixing bolt, which extends through, to be welded in two bearings, and the bearing passes through respectively
It wears and is welded in two rotating discs, the nested bonding rubber sleeve in the outside of the rotating disc, the inner wall welding of the shell is set
It is equipped with RF transmitter, the inner wall welding of the shell is provided with infrared receiver, and infrared receiver and infrared ray
Transmitter is located in same level, and the bottom welding of the inner walls is provided with central processing unit, the central processing
Battery is electrically connected at the top of unit, the bottom insertion of the shell front surface is provided with display screen, the rotating disc
Inner opening is provided with detection hole.
Further preferred embodiment: being located on the same water surface when detection hole is located at bottom with RF transmitter,
And the diameter of detection hole is greater than the diameter of RF transmitter.
Further preferred embodiment: the rotating disc and rubber sleeve are all provided with there are two being located on same vertical plane, and two
Rotating disc is located on same vertical plane, and two rubber sleeves are close to.
Further preferred embodiment: the rubber neck is wound on the outside of rotating disc, and rubber sleeve is by the outside of rotating disc
It wraps.
Further preferred embodiment: the RF transmitter, infrared receiver, central processing unit, battery and
It is electrically connected between display screen by conducting wire.
The utility model has the advantages that rubber sleeve quality is softer, it can be good at the function of realizing transmission, when rubber sleeve is against turning for motor
When on axis, rubber sleeve and rotating disc can be rotated synchronously, and phase mutual friction drives the rubber sleeve rotation of lower section, rubber sleeve between rubber sleeve
Turn disc below drive, the detection hole on the rotating disc can rotate together, rotating disc and detection hole per revolution,
Infrared receiver will receive an infrared ray, and the data that central processing unit is fed back by infrared receiver obtain
Rotate several circles within rotating disc each second, thus obtain the revolving speed of rotating disc, and the linear velocity of the linear velocity of rotating disc and machine shaft
It is consistent, to obtain the linear velocity of machine shaft, this kind of detection method has many advantages, such as easy to operate, detects accurate, rubber
Gum cover reduces the abrasion of rotating disc very well, improves its service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model entirety.
Fig. 2 is the left view diagrammatic cross-section of the utility model entirety.
Fig. 3 is the structural schematic diagram of the utility model rotating disc.
In Fig. 1-3: shell 1, fixing bolt 2, bearing 3, rotating disc 4, detection hole 401, rubber sleeve 5, RF transmitter 6,
Infrared receiver 7, central processing unit 8, battery 9, display screen 10.
Specific embodiment
It please refers in Fig. 1 to 3, in the utility model embodiment, a kind of device for detecting motor rotary speed, including shell 1, fixation
Bolt 2, bearing 3, rotating disc 4, rubber sleeve 5, RF transmitter 6, infrared receiver 7, central processing unit 8,9 and of battery
The inner wall welding of display screen 10, shell 1 is provided with two fixing bolts 2, and fixing bolt 2, which extends through, to be welded in two bearings 3, axis
It holds 3 and extends through and be welded in two rotating discs 4, the nested bonding rubber sleeve 5 in the outside of rotating disc 4, the inner wall weldering of shell 1
It connects and is provided with RF transmitter 6, the welding of the inner wall of shell 1 is provided with infrared receiver 7, and infrared receiver 7 and red
Outside line transmitter 6 is located in same level, and the bottom welding of 1 inner wall of shell is provided with central processing unit 8, central processing list
The top of member 8 is electrically connected with battery 9, and the bottom insertion of 1 front surface of shell is provided with display screen 10, the inside of rotating disc 4
Opening is provided with detection hole 401.
Preferably, it is located on the same water surface when detection hole 401 is located at bottom with RF transmitter 6, and detection hole 401
Diameter be greater than the diameter of RF transmitter 6, detection hole 401 follows rotating disc 4 to rotate together, rotating disc 4 and detection hole 104
Per revolution, infrared receiver 7 will receive an infrared ray, and central processing unit 8 is made to can be derived that turning for turntable 4
Speed, rotating disc 4 and rubber sleeve 5 are located on same vertical plane there are two being all provided with, and two rotating discs 4 are located on same vertical plane,
And two rubber sleeves 5 are close to, and rubber sleeve 5 is looped around the outside of rotating disc 4, and rubber sleeve 5 wraps up the outside of rotating disc 4
Firmly, rubber sleeve 5 can be good at that two rotating discs 4 is driven to rotate, while rubber sleeve 5 can reduce the friction between rotating disc 4,
Increase service life, RF transmitter 6, infrared receiver 7, central processing unit 8, battery 9 to reduce its abrasion
It is electrically connected between display screen 10 by conducting wire.
Working principle:
In device for detecting motor rotary speed a kind of using the utility model, firstly, hand-held shell 1 supports the top of shell 1
In the shaft for needing to detect motor, it is tightly attached to rubber sleeve 5 in the shaft of high-speed rotation, the friction of rubber sleeve 5 shaft follows it
It rotates together, which will drive rotating disc 4 and rotate together, while the rubber sleeve 5 can rub another rubber sleeve 5, rubber
Set 5 will drive its internal rotating disc 4 and rotate, and the detection hole 401 on rotating disc 4 also can rotate, due to 6 meeting of RF transmitter
Transmitting infrared ray passes through detection hole 401 and is mapped on infrared receiver 7, so one circle of rotating disc 4 and the rotation of detection hole 401, red
Outer line receiver 7 will receive an infrared ray, and infrared receiver 7 is again by data feedback to central processing unit 8, center
Processing unit 8 passes through the data that infrared receiver 7 is fed back, and calculates in infrared receiver 7 one seconds and receives infrared ray
Data occur onto display screen 10 again for number, central processing unit 8, make people it is observed that obtain rotating disc 4 one
Second turns several circles, and the diameter of two rotating discs 4 is consistent, so the angular speed of two rotating discs 4 is also consistent, people can be according to motor
The ratio of 5 diameter of diameter and rubber sleeve of shaft, obtains the revolving speed of machine shaft.
Claims (5)
1. a kind of device for detecting motor rotary speed, including shell (1), fixing bolt (2), bearing (3), rotating disc (4), rubber sleeve (5),
RF transmitter (6), infrared receiver (7), central processing unit (8), battery (9) and display screen (10), feature
Be: the inner wall welding of the shell (1) is provided with two fixing bolts (2), and the fixing bolt (2), which extends through, is welded on two
In bearing (3), the bearing (3), which extends through, to be welded in two rotating discs (4), and the outside of the rotating disc (4) is nested
It is bonded rubber sleeve (5), the inner wall welding of the shell (1) is provided with RF transmitter (6), the inner wall of the shell (1)
Welding is provided with infrared receiver (7), and infrared receiver (7) and RF transmitter (6) are located in same level,
The bottom welding of shell (1) inner wall is provided with central processing unit (8), and the top of the central processing unit (8) is electrical
Be connected with battery (9), the insertion of the bottom of shell (1) front surface is provided with display screen (10), the rotating disc (4) it is interior
Portion's opening is provided with detection hole (401).
2. device for detecting motor rotary speed according to claim 1, it is characterised in that: the detection hole (401) is located at most lower
Fang Shiyu RF transmitter (6) is located on the same water surface, and the diameter of detection hole (401) is greater than RF transmitter (6)
Diameter.
3. device for detecting motor rotary speed according to claim 1, it is characterised in that: the rotating disc (4) and rubber sleeve (5)
It is located on same vertical plane there are two being all provided with, and two rotating discs (4) are located on same vertical plane, and two rubber sleeves (5)
It is close to.
4. device for detecting motor rotary speed according to claim 1, it is characterised in that: the rubber sleeve (5) is looped around rotation
The outside of disk (4), and rubber sleeve (5) will wrap on the outside of rotating disc (4).
5. device for detecting motor rotary speed according to claim 1, it is characterised in that: the RF transmitter (6), infrared
It is electrically connected between line receiver (7), central processing unit (8), battery (9) and display screen (10) by conducting wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920551524.8U CN209590062U (en) | 2019-04-22 | 2019-04-22 | A kind of device for detecting motor rotary speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920551524.8U CN209590062U (en) | 2019-04-22 | 2019-04-22 | A kind of device for detecting motor rotary speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209590062U true CN209590062U (en) | 2019-11-05 |
Family
ID=68347631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920551524.8U Active CN209590062U (en) | 2019-04-22 | 2019-04-22 | A kind of device for detecting motor rotary speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209590062U (en) |
-
2019
- 2019-04-22 CN CN201920551524.8U patent/CN209590062U/en active Active
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