CN103197089A - Device measuring rotating speed of high-speed direct current motor - Google Patents
Device measuring rotating speed of high-speed direct current motor Download PDFInfo
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- CN103197089A CN103197089A CN201310089915XA CN201310089915A CN103197089A CN 103197089 A CN103197089 A CN 103197089A CN 201310089915X A CN201310089915X A CN 201310089915XA CN 201310089915 A CN201310089915 A CN 201310089915A CN 103197089 A CN103197089 A CN 103197089A
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- rotating speed
- direct current
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- wheel
- speed
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Abstract
The invention discloses a device measuring rotating speed of a high-speed direct current motor. The device comprises a rotating speed wheel, a cylindrical installation support and a circuit board, wherein the rotating speed wheel comprises six teeth, the circuit board is provided with an electric wire and two sets of photoelectric sensors forming a 90-degree angle, the rotating speed wheel and the circuit board are arranged inside two cylindrical ends of the installation support, the electric wire is connected with a power host machine central processing unit (CPU), and the rotating speed wheel and the high-speed direct current motor rotate synchronously. The device has the advantages that the motor rotating speed wheel having the six teeth is utilized, rotating speed requirements of measurement of 8,000 RPM are met, the defect of limitation of measurement of the rotating speed of 8,000 RPM of a market finished encoder or a coding disc is overcome, the whole measuring device is light and convenient to use, and rotating speed of the high-speed direct current motor is not affected. Meanwhile, the circuit board is provided with the two sets of photoelectric sensors, and measuring reliability is guaranteed through photovoltaic conversion.
Description
Technical field
The present invention relates to a kind of device of measuring rotating speed, particularly a kind of device of measuring the high speed dc motor speed.
Background technology
The soldering tip of welding machine drives main employing stepper motor at present, but the speed of stepper motor is lower, and in the technological requirement of high precision, quick and stable welding, stepper motor can not satisfy the demands, and requires this moment to adopt the high speed direct current generator to drive welding machine welding head.
To the tachometric survey of high speed direct current generator, generally with scrambler or code-wheel.And the soldering tip of small diameter pipeline welding machine is compact as far as possible to the requirement of high speed direct current generator, existing encoder or code-wheel generally heavier, inertia is big, can not be applicable to that the high speed direct current generator to this compact carries out tachometric survey, simultaneously because the technological requirement of high precision, quick and stable welding, the rotating speed of high speed direct current generator all about 8000RPM, does not therefore have the ready-made device that this is carried out tachometric survey usually in the market.
Summary of the invention
Goal of the invention: at the problems referred to above, the purpose of this invention is to provide a kind of device that can carry out tachometric survey to the high speed direct current generator of 8000RPM compact.
Technical scheme: a kind of device of measuring the high speed dc motor speed, comprise rotating speed wheel, the mounting bracket of tubular, circuit board, described rotating speed wheel has six teeth teeth, electric wire and two groups of photoelectric sensors that are 90 ° are set on the described circuit board, described rotating speed wheel and described circuit board place in the tubular two ends of described mounting bracket, described electric wire is connected with the power supply host CPU, and described rotating speed wheel is connected rotation synchronously with the high speed direct current generator.
Principle of the present invention is: the power supply host CPU is powered to high speed direct current generator and circuit board, the photoelectric sensor of circuit board produces light, the rotating speed wheel rotates synchronously with the high speed direct current generator, this moment is in mounting bracket, the photoelectric sensor of six teeth tooth clipper circuit plates of rotating speed wheel, the actual speed of high speed direct current generator has converted pulse electrical signal to by tach signal, send the power supply host CPU to by circuit board, the power supply host CPU is adjusted the voltage of controlling the high speed direct current generator according to pulse electrical signal, so that the rotating speed of high speed direct current generator obtains stable control.
Beneficial effect: compared with prior art, advantage of the present invention is to adopt the motor speed wheel with six teeth, reached the rotating speed requirement of measuring 8000RPM, overcome the restriction of market finished product scrambler or the about 8000RPM tachometric survey of code-wheel, and entire measuring device is light, can the rotating speed of high speed direct current generator not exerted an influence; Two groups of photoelectric sensors of circuit board arrangement have guaranteed measuring reliability by opto-electronic conversion simultaneously.
Description of drawings
Accompanying drawing is STRUCTURE DECOMPOSITION synoptic diagram of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention, should understand these embodiment only is used for explanation the present invention and is not used in and limits the scope of the invention, after having read the present invention, those skilled in the art all fall within the application's claims institute restricted portion to the modification of the various equivalent form of values of the present invention.
As shown in drawings, a kind of device of measuring the high speed dc motor speed, comprise rotating speed wheel 1, mounting bracket 2, circuit board 3, rotating speed wheel 1 is the motor speed wheel with six teeth teeth 4 that processes with plastic material, electric wire 5 and two groups of photoelectric sensors 6 that are 90 ° are set on the circuit board 3, the tubular of mounting bracket 2 for connecting, rotating speed wheel 1 and circuit board 3 place in the two ends of mounting bracket 2 and with mounting bracket 2 any contact are not arranged, electric wire 5 is connected with the power supply host CPU of welding machine welding head, and rotating speed wheel 1 is connected synchronous rotation with high speed direct current generator 7.
The using method of measuring the high speed dc motor speed is: the device of the present invention being measured the high speed dc motor speed assembles, then the power supply host CPU is connected with the high speed direct current generator, the high speed direct current generator is connected with the rotating speed wheel, and the electric wire of circuit board is connected with the power supply host CPU; Welding parameter is set in energising, and high speed direct current generator and circuit board move according to setting program work; When welding process requirement high speed direct current generator moves with the speed of 8000RPM, the power supply host CPU is powered to high speed direct current generator and circuit board by setting voltage in advance, the photoelectric sensor of circuit board produces light, the rotating speed wheel rotates synchronously with the high speed direct current generator, this moment is in mounting bracket, the photoelectric sensor of six teeth tooth clipper circuit plates of rotating speed wheel, the actual speed of high speed direct current generator has converted pulse electrical signal to by tach signal, send the power supply host CPU to by circuit board, the power supply host CPU is adjusted the voltage of controlling the high speed direct current generator according to pulse electrical signal, so that the rotating speed of high speed direct current generator obtains stable control.
Claims (1)
1. device of measuring the high speed dc motor speed, it is characterized in that: comprise rotating speed wheel (1), the mounting bracket (2) of tubular, circuit board (3), described rotating speed wheel (1) has six teeth teeth (4), electric wire (5) and two groups of photoelectric sensors (6) that are 90 ° are set on the described circuit board (3), described rotating speed wheel (1) and described circuit board (3) place in the tubular two ends of described mounting bracket (2), described electric wire (5) is connected with the power supply host CPU, and described rotating speed wheel (1) is connected rotation synchronously with the high speed direct current generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089915XA CN103197089A (en) | 2013-03-20 | 2013-03-20 | Device measuring rotating speed of high-speed direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310089915XA CN103197089A (en) | 2013-03-20 | 2013-03-20 | Device measuring rotating speed of high-speed direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103197089A true CN103197089A (en) | 2013-07-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310089915XA Pending CN103197089A (en) | 2013-03-20 | 2013-03-20 | Device measuring rotating speed of high-speed direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103197089A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52148178A (en) * | 1976-06-04 | 1977-12-09 | Hitachi Ltd | Optical tachometer |
| JPH10177030A (en) * | 1996-12-19 | 1998-06-30 | Sony Corp | Rotary direction detection device |
| US5920134A (en) * | 1995-09-26 | 1999-07-06 | Interelectric Ag | DC motor |
| EP0974843A1 (en) * | 1998-07-21 | 2000-01-26 | Mannesmann VDO Aktiengesellschaft | Rotary encoder |
| CN1293624A (en) * | 1999-01-07 | 2001-05-02 | 精工爱普生株式会社 | Sensing mechanism, carriage monitor device and printer comprising the same |
| EP2105745A1 (en) * | 2008-03-27 | 2009-09-30 | Caldaro AB | Measurement device |
| CN101787931A (en) * | 2010-03-19 | 2010-07-28 | 无锡市吉通机电技术开发有限责任公司 | Integrated diesel engine digital electronic governor |
| CN102835007A (en) * | 2010-03-24 | 2012-12-19 | 美敦力迷你迈德公司 | Motor assembly sensor capture systems and methods |
| CN203133100U (en) * | 2013-03-20 | 2013-08-14 | 袁立建 | Device measuring rotating speed of high-speed direct current motor |
-
2013
- 2013-03-20 CN CN201310089915XA patent/CN103197089A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52148178A (en) * | 1976-06-04 | 1977-12-09 | Hitachi Ltd | Optical tachometer |
| US5920134A (en) * | 1995-09-26 | 1999-07-06 | Interelectric Ag | DC motor |
| JPH10177030A (en) * | 1996-12-19 | 1998-06-30 | Sony Corp | Rotary direction detection device |
| EP0974843A1 (en) * | 1998-07-21 | 2000-01-26 | Mannesmann VDO Aktiengesellschaft | Rotary encoder |
| CN1293624A (en) * | 1999-01-07 | 2001-05-02 | 精工爱普生株式会社 | Sensing mechanism, carriage monitor device and printer comprising the same |
| EP2105745A1 (en) * | 2008-03-27 | 2009-09-30 | Caldaro AB | Measurement device |
| CN101787931A (en) * | 2010-03-19 | 2010-07-28 | 无锡市吉通机电技术开发有限责任公司 | Integrated diesel engine digital electronic governor |
| CN102835007A (en) * | 2010-03-24 | 2012-12-19 | 美敦力迷你迈德公司 | Motor assembly sensor capture systems and methods |
| CN203133100U (en) * | 2013-03-20 | 2013-08-14 | 袁立建 | Device measuring rotating speed of high-speed direct current motor |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130710 |