CN104101724A - Infrared ray based high accuracy tachometer - Google Patents
Infrared ray based high accuracy tachometer Download PDFInfo
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- CN104101724A CN104101724A CN201410361226.4A CN201410361226A CN104101724A CN 104101724 A CN104101724 A CN 104101724A CN 201410361226 A CN201410361226 A CN 201410361226A CN 104101724 A CN104101724 A CN 104101724A
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Abstract
The invention relates to the technical field of industrial inspection, in particular to an infrared ray based high accuracy tachometer. The infrared based high accuracy tachometer comprises an infrared emitter fixed onto a rotary shaft for transmitting an infrared signal, an infrared receiver for receiving the infrared signal emitted by the infrared emitter, a time limit unit for outputting a timing control signal; a switch unit for starting the infrared receiver and simultaneously controlling the time limit unit to output a time control signal, a data detection unit for detecting the number of infrared signal receiving of the infrared receiver, a central processor for receiving the timing control signal, closing the infrared receiver when the detection time is ended, receiving the number of the infrared signal receiving of the infrared receiver, which is detected by the data detection unit, and processing the set time and the number of the infrared signal receiving to obtain a data signal of the rotation speed, and a display unit for receiving the data information of the rotation speed, which is obtained by the central processor, and displaying the data of the rotation speed.
Description
Technical field
The present invention relates to industrial detection technical field, refer to especially a kind of based on infrared ray high precision tachometer gage.
Background technology
Tachometer gage is one of instrument of machinery industry indispensability, is used for measuring rotating speed, linear velocity or the frequency of motor.Pointer indication meets tradition depending on recognizing custom, is convenient to again computer remote and processes and networking requirement.At present, existing tachometer gage is generally by the digital pulse signal (being sent by sensor) receiving, after processing, directly read in the counting mouth of cpu, through software, calculate rotating speed and the corresponding position of pointer, again by the control mouth of cpu, amplify the positive and negative direction rotation of rear drive stepper motor, indicate corresponding tachometer value (pointer is directly installed on the turning axle of stepper motor), it is only 1/3 degree that stepper motor makes a move.But motor or rotating shaft have an acceleration when starting forwards to, thereby when detecting, the check result of meeting countershaft rotating speed exerts an influence, and causes larger error.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of based on infrared ray high precision tachometer gage, by being installed on infrared transmitter and the infrared receiver in rotating shaft, after certain hour is rotated in rotating shaft, reaching at the uniform velocity state detects it, and the time of restriction detection, thereby improve the precision that rotating speed detects, reduce error.
For solving the problems of the technologies described above, it is a kind of based on infrared ray high precision tachometer gage that embodiments of the invention provide, and comprising:
Be fixed on the infrared transmitter in rotating shaft, for launching infrared signal;
Infrared receiver, the infrared signal sending for receiving infrared-ray transmitter;
Time qualified unit, for output time control signal;
Switch element, limits unit output time control signal for starting infrared receiver control time while;
Data Detection unit, for detection of the number of times of infrared receiver receiving infrared-ray signal;
Central processing unit, for time of reception control signal, when finish detection time, close infrared remote receiver, and receive the number of times of the infrared receiver receiving infrared-ray signal that Data Detection unit inspection arrives, and by the processing of the number of times of the time of setting and receiving infrared-ray signal being obtained to the data-signal of rotating speed;
Display unit, processes the data message of the rotating speed obtaining and shows rotary speed data for receiving central processing unit.
As preferably, also comprise control panel, for setting the time of infrared receiver receiving infrared-ray.
As preferably, also comprise fixed band and detect box, described infrared transmitter is fixed on fixed band, and described infrared receiver is located at and is detected box front end, and described switch element, control panel, display unit are located at the box surface that detects box.
As preferably, described Data Detection unit, central processing unit, time qualified unit are fixed on and detect in box.
As preferably, described detection box lower surface is provided with fixed mount.By fixed mount, can avoid manual control to detect box, make to detect box skew, cause detecting generation error.
As preferably, described display unit is electronic display, and described electronic display is touch-screen
The beneficial effect of technique scheme of the present invention is as follows: simple in structure, technology is reasonable, easy to operate, during detection, by initial restriction of detecting, avoids rotating shaft to detect at boost phase, thereby has improved the precision that rotating speed detects, and has reduced error.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation based on infrared ray high precision tachometer gage embodiment of the present invention.
Fig. 2 is the theory diagram of Fig. 1.
Embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The present invention is directed to existing deficiency and provide a kind of based on infrared ray high precision tachometer gage, as shown in Figure 2, comprising:
Be fixed on the infrared transmitter 1 in rotating shaft, for launching infrared signal;
Infrared receiver 2, the infrared signal sending for receiving infrared-ray transmitter;
Time qualified unit 6, for output time control signal;
Switch element 4, limits unit output time control signal for starting infrared receiver control time while;
Data Detection unit 3, for detection of the number of times of infrared receiver receiving infrared-ray signal;
Central processing unit 5, for time of reception control signal, when finish detection time, close infrared remote receiver, and receive the number of times of the infrared receiver receiving infrared-ray signal that Data Detection unit inspection arrives, and by the processing of the number of times of the time of setting and receiving infrared-ray signal being obtained to the data-signal of rotating speed;
Display unit 8, processes the data message of the rotating speed obtaining and shows rotary speed data for receiving central processing unit.
Also comprise control panel 7, for setting the time of infrared receiver receiving infrared-ray.
As shown in Figure 1, also comprise fixed band 9 and detect box 10, described infrared transmitter is fixed on fixed band 9, and described infrared receiver 2 is located at and is detected box 10 front ends.
Described switch element 4, control panel 7, display unit 8 are located at the box surface that detects box 10, and described Data Detection unit 3, central processing unit 5, time qualified unit are fixed on and detect in box 10.
Described detection box lower surface is provided with fixed mount 11.
Described display unit 8 is electronic display, and described electronic display is touch-screen.
This concrete enforcement is simple in structure, and technology is reasonable, easy to operate, during detection, by initial restriction of detecting, avoids rotating shaft to detect at boost phase, thereby has improved the precision that rotating speed detects, and has reduced error.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. based on an infrared ray high precision tachometer gage, it is characterized in that, comprising:
Be fixed on the infrared transmitter (1) in rotating shaft, for launching infrared signal;
Infrared receiver (2), the infrared signal sending for receiving infrared-ray transmitter (1);
Time qualified unit (6), for output time control signal;
Switch element (4), limits unit (6) output time control signal for starting infrared receiver (2) control time while;
Data Detection unit (3), for detection of the number of times of infrared receiver (2) receiving infrared-ray signal;
Central processing unit (5), for time of reception control signal, when finish detection time, close infrared remote receiver (2), and receive the number of times of infrared receiver (2) receiving infrared-ray signal that Data Detection unit (3) detects, and by the processing of the number of times of the time of setting and receiving infrared-ray signal being obtained to the data-signal of rotating speed;
Display unit (8), processes the data message of the rotating speed obtaining and shows rotary speed data for receiving central processing unit (5).
2. according to claim 1 a kind ofly it is characterized in that based on infrared ray high precision tachometer gage, also comprise control panel (7), for setting the time of infrared receiver (2) receiving infrared-ray.
3. according to claim 2 a kind of based on infrared ray high precision tachometer gage, it is characterized in that, also comprise fixed band (9) and detect box (10), described infrared transmitter (1) is fixed on fixed band (9), described infrared receiver (2) is located at and is detected box (10) front end, and described switch element (4), control panel (7), display unit (8) are located at the box surface that detects box (10).
4. according to claim 2 a kind ofly it is characterized in that based on infrared ray high precision tachometer gage, described Data Detection unit (3), central processing unit (5), time qualified unit (6) are fixed on and are detected in box (10).
5. according to claim 3 a kind ofly it is characterized in that based on infrared ray high precision tachometer gage, described detection box (10) lower surface is provided with fixed mount (11).
6. according to claim 3 a kind ofly it is characterized in that based on infrared ray high precision tachometer gage, described display unit (8) is electronic display, and described electronic display is touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361226.4A CN104101724A (en) | 2014-07-22 | 2014-07-22 | Infrared ray based high accuracy tachometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361226.4A CN104101724A (en) | 2014-07-22 | 2014-07-22 | Infrared ray based high accuracy tachometer |
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| Publication Number | Publication Date |
|---|---|
| CN104101724A true CN104101724A (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410361226.4A Pending CN104101724A (en) | 2014-07-22 | 2014-07-22 | Infrared ray based high accuracy tachometer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044380A (en) * | 2015-06-12 | 2015-11-11 | 遵义市立新机械有限责任公司 | Infrared-based crusher speed measurement apparatus |
| CN107631959A (en) * | 2017-09-27 | 2018-01-26 | 新乡市恒星科技有限责任公司 | A kind of portable lubricating grease adhesion system safety testing device |
| CN114383540A (en) * | 2022-01-04 | 2022-04-22 | 成都汇蓉国科微系统技术有限公司 | Rotary table measuring device and rotary table measuring method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86204294U (en) * | 1986-06-21 | 1987-05-27 | 俞道法 | Tachometrical apparatus with microprocessor for rotating machinery |
| CN2058993U (en) * | 1989-01-24 | 1990-07-04 | 浙江大学 | Multi-function digital revolution counter |
| CN202886391U (en) * | 2012-10-31 | 2013-04-17 | 无锡市计量测试中心 | Object movement speed measurement device |
| CN203689786U (en) * | 2014-02-09 | 2014-07-02 | 四川农业大学 | Multifunctional rotating speed measuring instrument based on microprocessor |
-
2014
- 2014-07-22 CN CN201410361226.4A patent/CN104101724A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86204294U (en) * | 1986-06-21 | 1987-05-27 | 俞道法 | Tachometrical apparatus with microprocessor for rotating machinery |
| CN2058993U (en) * | 1989-01-24 | 1990-07-04 | 浙江大学 | Multi-function digital revolution counter |
| CN202886391U (en) * | 2012-10-31 | 2013-04-17 | 无锡市计量测试中心 | Object movement speed measurement device |
| CN203689786U (en) * | 2014-02-09 | 2014-07-02 | 四川农业大学 | Multifunctional rotating speed measuring instrument based on microprocessor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044380A (en) * | 2015-06-12 | 2015-11-11 | 遵义市立新机械有限责任公司 | Infrared-based crusher speed measurement apparatus |
| CN107631959A (en) * | 2017-09-27 | 2018-01-26 | 新乡市恒星科技有限责任公司 | A kind of portable lubricating grease adhesion system safety testing device |
| CN114383540A (en) * | 2022-01-04 | 2022-04-22 | 成都汇蓉国科微系统技术有限公司 | Rotary table measuring device and rotary table measuring method |
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Application publication date: 20141015 |
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| RJ01 | Rejection of invention patent application after publication |