CN114705232A - Singlechip infrared photoelectric speed measuring system - Google Patents
Singlechip infrared photoelectric speed measuring system Download PDFInfo
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- CN114705232A CN114705232A CN202210276943.1A CN202210276943A CN114705232A CN 114705232 A CN114705232 A CN 114705232A CN 202210276943 A CN202210276943 A CN 202210276943A CN 114705232 A CN114705232 A CN 114705232A
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- chip microcomputer
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- 230000001133 acceleration Effects 0.000 claims abstract description 57
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000005622 photoelectricity Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 6
- 238000007405 data analysis Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/54—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48
- G01D5/56—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using means specified in two or more of groups G01D5/02, G01D5/12, G01D5/26, G01D5/42, and G01D5/48 using electric or magnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2612—Data acquisition interface
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Centrifugal Separators (AREA)
Abstract
A singlechip infrared photoelectric speed measuring system is used for measuring and controlling the rotating speed of a centrifuge and comprises: the host module is arranged outside the centrifuge and is connected with the centrifuge through a data transmission line, and the host module comprises a computer and a single chip microcomputer which are connected through the data transmission line; the photoelectric module is arranged at the rotating arm of the centrifuge and comprises a photoelectric sensor, and the photoelectric module is in signal connection with the single chip microcomputer; and the power supply module is respectively connected with the host module and the photoelectric module and supplies power. According to the infrared photoelectric speed measuring system of the single chip microcomputer, a computer calculates the rotating speed and the first rotating acceleration of the rotating arm of the centrifuge according to the counting result of the single chip microcomputer, and the rotating condition of the rotating arm of the centrifuge is monitored; furthermore, when a user inputs a required acceleration value, the optimal rotating speed of the rotating arm can be automatically obtained through data analysis of software, and the test precision is improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of medical centrifuge speed measurement, in particular to a single-chip microcomputer infrared photoelectric speed measurement system.
[ background ] A method for producing a semiconductor device
In practice, various situations are often encountered where rotational speed measurements are required, in particular for the rotor arms of medical centrifuges. The control of the rotating speed of the medical centrifuge is one of the key points for improving the test precision. The traditional monitoring means of the rotating speed of the rotating arm of the centrifugal machine is single, the precision is limited, and the market requirement is difficult to meet.
[ summary of the invention ]
The invention aims to provide a single-chip microcomputer infrared photoelectric rotating speed measuring system which can automatically obtain the optimal rotating speed of a rotating arm and improve the test precision.
The purpose of the invention is realized by the following technical scheme:
a singlechip infrared photoelectric speed measuring system is used for measuring and controlling the rotating speed of a centrifuge and comprises:
the host module is arranged outside the centrifuge and is connected with the centrifuge through a data transmission line, and the host module comprises a computer and a single chip microcomputer which are connected through the data transmission line;
the photoelectric module is arranged at the rotating arm of the centrifugal machine and comprises a photoelectric sensor, and the photoelectric module is in signal connection with the single chip microcomputer;
the power supply module is respectively connected with the host module and the photoelectric module and supplies power;
the photoelectric sensor senses a signal when the rotating arm sweeps over and transmits the signal to the single chip microcomputer, the single chip microcomputer counts according to the signal and transmits the signal to the computer, and the computer calculates the rotating speed and the first rotating acceleration of the rotating arm of the centrifugal machine according to a counting result of the single chip microcomputer.
In one embodiment, the computer comprises a display and a memory which are connected with each other, the memory records and counts the rotating speed and the first rotating acceleration information of the rotating arm in real time, and the display displays the rotating speed and the first rotating acceleration information of the rotating arm in real time.
In one embodiment, the centrifuge counts the second rotation acceleration information of the rotating arm in real time, the computer receives the second rotation acceleration information of the rotating arm transmitted by the centrifuge, and the memory records and counts the second rotation acceleration information of the rotating arm in real time.
In one embodiment, the display receives and displays the first rotational acceleration information and the second rotational acceleration information counted by the memory.
In one embodiment, the computer further comprises an arithmetic unit, which receives the first rotational acceleration information and the second rotational acceleration information of the rotating arm counted by the memory, and calculates the difference information between the first rotational acceleration and the second rotational acceleration.
In one embodiment, the computer further comprises an input device, and the arithmetic unit receives an input acceleration value input by the input device and obtains the output rotating speed of the rotating arm according to the difference information of the first rotating acceleration and the second rotating acceleration.
Compared with the prior art, the invention has the following beneficial effects: the single chip microcomputer infrared photoelectric speed measuring system senses a signal when the rotating arm sweeps and transmits the signal to the single chip microcomputer by using the infrared sensor, the single chip microcomputer counts and transmits the signal to the computer, and the computer calculates the rotating speed and the first rotating acceleration of the rotating arm of the centrifuge according to a counting result of the single chip microcomputer, so that the rotating condition of the rotating arm of the centrifuge is monitored; furthermore, when a user inputs a required acceleration value, the optimal rotating speed of the rotating arm can be automatically obtained through data analysis of software, and the test precision is improved.
[ description of the drawings ]
FIG. 1 is a schematic diagram of an infrared photoelectric speed measuring system of a single chip microcomputer;
FIG. 2 is a schematic diagram of the display state of the infrared photoelectric speed measuring system of the single chip microcomputer.
[ detailed description ] embodiments
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention of the present application, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
Referring to fig. 1-2, an infrared photoelectric speed measuring system for a single chip microcomputer is used for measuring and controlling the speed of a centrifuge, and includes: host computer module, photovoltaic module and power module. The host module is arranged outside the centrifuge and used for automatic control function. The host module is in signal connection with the centrifuge through a data transmission line, and the host module can comprise a computer and a single chip microcomputer which are connected through the data transmission line. The photoelectric module is arranged at the rotating arm of the centrifuge and used for measuring the real-time rotating speed and the acceleration of the rotating arm, namely the first rotating acceleration. The photoelectric module comprises a photoelectric sensor, is in signal connection with the singlechip and can be in a wired or wireless mode. The power module is respectively connected with the host module and the photoelectric module and is used for supplying power to the modules. The photoelectric sensor senses signals when the rotating arm scans (every two times of scanning is that the rotating arm rotates for a circle), the signals are transmitted to the single chip microcomputer every time the signals are received, the single chip microcomputer counts and transmits the signals to the computer, and the computer calculates the rotating speed and the first rotating acceleration of the rotating arm of the centrifugal machine according to the counting result of the single chip microcomputer.
The principle is as follows: the time interval T between two signals can be obtained by receiving the signal every two times to rotate the rotating arm for one circle, the real-time rotating speed of the centrifuge can be automatically displayed on a computer end through software according to a linear velocity formula v ═ ω r ═ 2 π rf ═ 2 π nr ═ 2 π r/T of circular motion, and the real-time acceleration ω ═ v/r of the centrifuge can be obtained. The photoelectric sensor is controlled by converting the change of light intensity into the change of electric signal. The transmitter emits light beam to aim at the target, and the receiver consists of photodiode, phototriode and photocell. Following the receiver is a detection circuit that can filter out the valid signal and apply it. The triangular reflector can make the light beam return from the reflector accurately, and the sensitivity is high.
In one embodiment, the computer includes a display and a memory coupled to each other. The memory records and counts the rotating speed and the first rotating acceleration information of the rotating arm in real time, and the display displays the rotating speed and the first rotating acceleration information of the rotating arm in real time so that an operator can obtain corresponding information in real time.
In one embodiment, the centrifuge counts the second rotation acceleration information of the rotating arm in real time, the computer receives the second rotation acceleration information of the rotating arm transmitted by the centrifuge, and the memory records and counts the second rotation acceleration information of the rotating arm in real time. The second rotational acceleration is set as the theoretical acceleration of the centrifuge at that time.
In one embodiment, the display receives and displays the first rotational acceleration information and the second rotational acceleration information counted by the memory, so that an operator can obtain corresponding information in real time.
In one embodiment, the computer further comprises an arithmetic unit. The arithmetic unit receives the first rotation acceleration information and the second rotation acceleration information of the rotating arm counted by the memory and calculates the difference information of the first rotation acceleration and the second rotation acceleration. Furthermore, the acceleration displayed by the display can be distinguished from the actual acceleration.
In one embodiment, the computer further comprises an input device. The arithmetic unit receives an input acceleration value input by the input device and obtains the output rotating speed of the rotating arm according to the difference information of the first rotating acceleration and the second rotating acceleration. Furthermore, when a user inputs a required acceleration value, the optimal rotating speed of the rotating arm can be automatically obtained through data analysis of software, and the test precision is improved.
Compared with the prior art, the invention has the following beneficial effects: the single chip microcomputer infrared photoelectric speed measuring system senses signals when the rotating arm sweeps over by using the infrared sensor and transmits the signals to the single chip microcomputer, the single chip microcomputer counts the signals and transmits the signals to the computer, and the computer calculates the rotating speed and the first rotating acceleration of the rotating arm of the centrifuge according to the counting result of the single chip microcomputer, so that the rotating condition of the rotating arm of the centrifuge is monitored; furthermore, when a user inputs a required acceleration value, the optimal rotating speed of the rotating arm can be automatically obtained through data analysis of software, and the test precision is improved.
In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides a rotational speed system is surveyed to singlechip infrared photoelectricity for measure and control centrifuge rotational speed, its characterized in that includes:
the host module is arranged outside the centrifuge and is connected with the centrifuge through a data transmission line, and the host module comprises a computer and a single chip microcomputer which are connected through the data transmission line;
the photoelectric module is arranged at the rotating arm of the centrifuge and comprises a photoelectric sensor, and the photoelectric module is in signal connection with the single chip microcomputer;
the power supply module is respectively connected with the host module and the photoelectric module and supplies power;
the photoelectric sensor senses a signal when the rotating arm sweeps over and transmits the signal to the single chip microcomputer, the single chip microcomputer counts according to the signal and transmits the signal to the computer, and the computer calculates the rotating speed and the first rotating acceleration of the rotating arm of the centrifugal machine according to a counting result of the single chip microcomputer.
2. The infrared photoelectric rotation speed measuring system of the single chip microcomputer according to claim 1, wherein the computer comprises a display and a memory which are connected with each other, the memory records and counts the rotation speed and the first rotation acceleration information of the rotating arm in real time, and the display displays the rotation speed and the first rotation acceleration information of the rotating arm in real time.
3. The infrared photoelectric rotation speed measuring system for the single chip microcomputer according to claim 2, wherein the centrifuge counts second rotation acceleration information of the rotating arm in real time, the computer receives the second rotation acceleration information of the rotating arm transmitted by the centrifuge, and the memory records and counts the second rotation acceleration information of the rotating arm in real time.
4. The infrared photoelectric rotation speed measuring system of the single chip microcomputer according to claim 3, wherein the display receives and displays the first rotation acceleration information and the second rotation acceleration information counted by the memory.
5. The infrared photoelectric tachometer system of one-chip microcomputer according to claim 3, wherein the computer further comprises an arithmetic unit, the arithmetic unit receives the first and second rotational acceleration information of the rotating arm counted by the memory and calculates the difference information between the first and second rotational acceleration.
6. The infrared photoelectric tachometer system of one-chip microcomputer according to claim 5, wherein the computer further comprises an input device, and the arithmetic unit receives an input acceleration value inputted by the input device and derives the output rotation speed of the rotating arm according to the difference information between the first rotation acceleration and the second rotation acceleration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210276943.1A CN114705232B (en) | 2022-03-16 | 2022-03-16 | Infrared photoelectric rotary speed measuring system of single chip microcomputer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210276943.1A CN114705232B (en) | 2022-03-16 | 2022-03-16 | Infrared photoelectric rotary speed measuring system of single chip microcomputer |
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| CN114705232A true CN114705232A (en) | 2022-07-05 |
| CN114705232B CN114705232B (en) | 2024-06-04 |
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| CN114705232B (en) | 2024-06-04 |
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