CN110058044A - A kind of magnetic strength speed measuring equipment and steel plate speed measurement method - Google Patents
A kind of magnetic strength speed measuring equipment and steel plate speed measurement method Download PDFInfo
- Publication number
- CN110058044A CN110058044A CN201910389391.3A CN201910389391A CN110058044A CN 110058044 A CN110058044 A CN 110058044A CN 201910389391 A CN201910389391 A CN 201910389391A CN 110058044 A CN110058044 A CN 110058044A
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- steel plate
- measuring equipment
- speed measuring
- magnetic strength
- brushgear
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/50—Devices characterised by the use of electric or magnetic means for measuring linear speed
- G01P3/52—Devices characterised by the use of electric or magnetic means for measuring linear speed by measuring amplitude of generated current or voltage
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The present invention relates to field of measuring technique, in particular to a kind of magnetic strength speed measuring equipment and steel plate speed measurement method.Magnetic strength speed measuring equipment includes the first magnet, brushgear and voltage check device；First magnet approaches steel plate, and brushgear is supported in the side of the width direction of steel plate, and brushgear is electrically connected with voltage check device.In this way, such magnetic strength speed measuring equipment makes brush generate electric current (obtaining electromotive force) by steel plate cutting magnetic induction line, is calculated according to the principle of electromagnetic induction and obtain steel plate instantaneous velocity.
Description
Technical field
The present invention relates to field of measuring technique, in particular to a kind of magnetic strength speed measuring equipment and steel plate tachometric survey side
Method.
Background technique
Steel plate tests the speed as measurement method common in field of engineering technology, there is important utilization in terms of processing and manufacturing.
However existing speed testing mode is single, it is ineffective, and can excessive damage to surface of steel plate.
Summary of the invention
The purpose of the present invention includes providing a kind of magnetic strength speed measuring equipment, can efficiently, quickly measure the movement of steel plate
Speed, and such magnetic strength speed measuring equipment structure is simple and convenient to operate, it is easily manufactured, be conducive to large-scale pipeline production.
Another object of the present invention includes providing a kind of steel plate speed measurement method based on above-mentioned magnetic strength speed measuring equipment.
The embodiment of the present invention is achieved through the following technical solutions:
A kind of magnetic strength speed measuring equipment, is used to measure the movement speed of steel plate comprising the first magnet, brushgear and electricity
Press detection device；
First magnet approaches steel plate, and brushgear is supported in the side of the width direction of steel plate, and brushgear and voltage are examined
Survey device electrical connection.
When movement steel plate runs to this device, permanent magnet generates uniform magnetic field B, and steel plate width is steel plate cutting magnetic induction
The equivalent length l of line, steel plate instantaneous velocity is v, by formula E=Blv it is found that speed can be determined according to these three physical quantitys of E, B, l
V is spent, uniform magnetic field B, steel plate width l has been known, therefore need to only read to obtain voltage check device registration, it can calculates and obtains steel plate wink
Shi Sudu v.
Such magnetic strength speed measuring equipment makes brush generate electric current (obtaining electromotive force) by steel plate cutting magnetic induction line, passes through
The principle of electromagnetic induction, which calculates, obtains steel plate instantaneous velocity.Such measurement method utilizes magnetic induction, rather than directly and steel plate
The mode supported, which calculates, obtains steel plate speed, with measurement efficiency height, the good feature of precision.To sum up, such magnetic strength tests the speed
Device structure is simple and convenient to operate, and can significantly improve the efficiency that steel plate tests the speed, and easily manufactured, is conducive to flow on a large scale
Waterline production.
In an embodiment of the present invention:
Above-mentioned brushgear includes the first brush and the second brush；
Along the width direction of steel plate, the first brush and the second brush are located at the two sides of the first magnet.
In an embodiment of the present invention:
Above-mentioned first brush and the second brush are respectively positioned on the same side of steel plate.
In an embodiment of the present invention:
Above-mentioned voltage check device further includes amplifier；
Amplifier is configured as the motional electromotive force that steel plate cutting magnetic induction line generates being amplified to default size.
In an embodiment of the present invention:
Above-mentioned first magnet is permanent magnet or electromagnet.
In an embodiment of the present invention:
Above-mentioned magnetic strength speed measuring equipment further includes supporter；
The bottom of steel plate is arranged in supporter；And when the steel plate moves, steel plate and supporter are without relative motion.
In an embodiment of the present invention:
Above-mentioned supporter includes conveyer belt and support wheel；
Conveyer belt and support wheel are sequentially connected, and steel plate is placed on a moving belt；And when the steel plate moves, steel plate and conveyer belt
Without relative motion.
In an embodiment of the present invention:
Above-mentioned support wheel freely rolls.
In an embodiment of the present invention:
Above-mentioned supporter includes multiple rollers；
Roller is sequentially arranged along the length direction of steel plate, and the central axes of roller extend along the width direction of steel plate.
A kind of steel plate speed measurement method, the magnetic strength speed measuring equipment based on any of the above-described comprising following steps:
First magnet is approached into steel plate, brushgear is supported in the side of the width direction of steel plate, brushgear and voltage
Detection device electrical connection:
Permanent magnet generates uniform magnetic field B, and steel plate width is the equivalent length l of steel plate cutting magnetic induction line, and steel plate is instantaneously fast
Degree is v, obtains steel plate movement speed by formula E=Blv.
The technical solution of the embodiment of the present invention is at least had the following advantages and beneficial effects:
A kind of magnetic strength speed measuring equipment, including the first magnet, brushgear and voltage check device.Such magnetic strength, which tests the speed, to be set
It is standby so that brush is generated electric current (generating electromotive force at brush both ends) by steel plate cutting magnetic induction line, pass through the principle of electromagnetic induction
It calculates and obtains steel plate instantaneous velocity.Such measurement method utilizes magnetic induction, rather than the mode directly supported with steel plate calculates
Steel plate speed is obtained, with measurement efficiency height, the good feature of precision.To sum up, such magnetic strength speed measuring equipment structure is simple, grasps
Facilitate, can significantly improve the efficiency that steel plate tests the speed, and easily manufactured, is conducive to large-scale pipeline production.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the magnetic strength speed measuring equipment first structure diagram of the embodiment of the present invention；
Fig. 2 is the second structural schematic diagram of magnetic strength speed measuring equipment of the embodiment of the present invention；
Fig. 3 is the magnetic strength speed measuring equipment third structural schematic diagram of the embodiment of the present invention；
Fig. 4 is the 4th structural schematic diagram of magnetic strength speed measuring equipment of the embodiment of the present invention.
Icon: 10- steel plate；200- magnetic strength speed measuring equipment；The first magnet of 210-；220- brushgear；The first brush of 221-；
The second brush of 222-；300- supporter；311- conveyer belt；312- support wheel；321- roller.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that if occur term " center ", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
Either the invention product using when the orientation or positional relationship usually put, be merely for convenience of the description present invention and simplification retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and
It cannot be understood as indicating or implying relative importance.
In addition, being not offered as requiring component abswolute level or outstanding if there are the terms such as term "horizontal", "vertical", " pendency "
It hangs down, but can be slightly tilted.It is not to indicate to be somebody's turn to do if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
Structure is had to fully horizontally, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, if there is term
" setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
Fig. 1 is please referred to, Fig. 1 is a kind of structural schematic diagram of magnetic strength speed measuring equipment 200 provided in an embodiment of the present invention.From figure
It can be seen that a kind of magnetic strength speed measuring equipment 200 includes the first magnet 210, brushgear 220 and voltage check device in 1.
First magnet 210 approaches steel plate 10, and brushgear 220 is supported in the side of the width direction of steel plate 10, brush dress
220 are set to be electrically connected with voltage check device.
When movement steel plate 10 runs to this device, permanent magnet generates uniform magnetic field B, and 10 width of steel plate is that steel plate 10 is cut
The equivalent length l of magnetic induction line is cut, 10 instantaneous velocity of steel plate is v, it is found that can be according to these three physical quantitys of E, B, l by formula E=Blv
It determines speed v, has known uniform magnetic field B, 10 width l of steel plate, therefore need to only read to obtain voltage check device registration, it can calculate
Obtain 10 instantaneous velocity v of steel plate.
Such magnetic strength speed measuring equipment 200 obtains brush generation electric current (electronic by 10 cutting magnetic induction line of steel plate
Gesture), it is calculated by the principle of electromagnetic induction and obtains 10 instantaneous velocity of steel plate.Such measurement method utilizes magnetic induction, rather than
The mode directly supported with steel plate 10, which calculates, obtains 10 speed of steel plate, with measurement efficiency height, the good feature of precision.To sum up,
Such 200 structure of magnetic strength speed measuring equipment is simple and convenient to operate, and can significantly improve the efficiency that steel plate 10 tests the speed, and manufacture
It is convenient, be conducive to large-scale pipeline production.
It should be noted that this 10 speed measuring device of steel plate based on motional electromotive force, passive to transmit mainly by permanent magnet
Band 311, brush, voltage amplification detection device are constituted.Wherein permanent magnet is used to generate uniform magnetic field, and movement steel plate 10 is allow to exist
Motional electromotive force is generated in the uniform magnetic field.10 two sides of local steel plate that brush is placed in cutting magnetic induction line are electronic for conducting dynamic life
Gesture is detected to voltage check device.
Fig. 1 to Fig. 4 is please referred to understand more CONSTRUCTED SPECIFICATIONs.
In the present embodiment of the invention, above-mentioned brushgear 220 includes the first brush 221 and the second brush 222；Along steel
The width direction of plate 10, the first brush 221 and the second brush 222 are located at the two sides of the first magnet 210.
Further, above-mentioned first brush 221 and the second brush 222 are respectively positioned on the same side of steel plate 10.
In the present embodiment of the invention, above-mentioned voltage check device further includes amplifier；Amplifier is configured as steel
The motional electromotive force that 10 cutting magnetic induction line of plate generates is amplified to default size.Since the motional electromotive force voltage of generation is smaller, therefore
It needs that amplifier is added in voltage check device, keeps voltage swing suitable.
Optionally, the first magnet 210 is permanent magnet.
Further, magnetic strength speed measuring equipment 200 further includes supporter 300；The bottom of steel plate 10 is arranged in supporter 300；
And when steel plate 10 is mobile, steel plate 10 and supporter 300 are without relative motion.
Optionally, such as Fig. 1 and Fig. 2, supporter 300 includes conveyer belt 311 and support wheel 312；Conveyer belt 311 and support wheel
312 transmission connections, steel plate 10 are placed on conveyer belt 311；And when steel plate 10 is mobile, steel plate 10 is with conveyer belt 311 without opposite
Movement.In the present embodiment of the invention, above-mentioned support wheel 312 is freely rolled.
(conveyer belt 311 does not need to carry out contact measurement to steel plate 10), avoids device sheet by non-contact measurement
Damage of the abrasion and device of body to 10 surface of steel plate.
In use, passive conveyer belt 311, which is only used to supporting steel plate 10, does not generate the power for moving steel plate 10, steel plate 10
Speed provided by other processes and device in processing.When movement steel plate 10 runs to this device, permanent magnet generates uniform magnetic
B, 10 width of steel plate are the equivalent length l of 10 cutting magnetic induction line of steel plate, and 10 instantaneous velocity of steel plate is v, by formula (1) it is found that
Speed v can be determined according to these three physical quantitys of E, B, l, known uniform magnetic field B, 10 width l of steel plate, therefore need to only read to obtain voltage
Detection device registration, it can calculate and obtain 10 instantaneous velocity v of steel plate.
As another preferred embodiment, such as Fig. 3 and Fig. 4, above-mentioned supporter 300 includes multiple rollers 321；Roller 321 is along steel
The length direction of plate 10 is sequentially arranged, and the central axes of roller 321 extend along the width direction of steel plate 10.321 conveyer belt of roller
It is made of several aluminium alloy material feed rollers 321, is only used to supporting steel plate 10 and does not generate the power for moving steel plate 10, steel plate 10
Speed provided by other processes and device in processing.
321 band of roller is contacted with steel plate 10 to be contacted for line, smaller to the abrasion of steel plate 10 and roller 321.
The present invention also provides a kind of 10 speed measurement method of steel plate, the magnetic strength speed measuring equipment 200 based on any of the above-described,
It includes the following steps:
First magnet 210 is approached into steel plate 10, brushgear 220 is supported in the side of the width direction of steel plate 10, brush
Device 220 is electrically connected with voltage check device:
Permanent magnet generates uniform magnetic field B, and 10 width of steel plate is the equivalent length l of 10 cutting magnetic induction line of steel plate, steel plate 10
Instantaneous velocity is v, obtains 10 movement speed of steel plate by formula E=Blv.
The technical solution of the embodiment of the present invention is at least had the following advantages and beneficial effects:
1, the magnetic strength speed measuring equipment 200 obtains voltage by directly measuring, and steel plate 10 directly can be calculated according to formula
Instantaneous velocity, accuracy is high.
2, conveyer belt 311 does not need to carry out contact measurement to steel plate 10, avoids device sheet by non-contact measurement
Damage of the abrasion and device of body to 10 surface of steel plate；Roller 321 is contacted with steel plate 10 and is contacted for line, to steel plate 10 and roller
321 abrasion is smaller.
3, only need the l changed in formula that can apply the steel plate of different model 10, to the instantaneous speed of measurement steel plate 10
The versatility degree of degree is high.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of magnetic strength speed measuring equipment, is used to measure the movement speed of steel plate, it is characterised in that:
Including the first magnet, brushgear and voltage check device；
First magnet approaches the steel plate, and the brushgear is supported in the side of the width direction of the steel plate, described
Brushgear is electrically connected with the voltage check device；
When movement steel plate runs to this device, permanent magnet generates uniform magnetic field B, and steel plate width is steel plate cutting magnetic induction line
Equivalent length l, steel plate instantaneous velocity are v, can be calculated by formula E=Blv and obtain steel plate instantaneous velocity v.
2. magnetic strength speed measuring equipment according to claim 1, it is characterised in that:
The brushgear includes the first brush and the second brush；
Along the width direction of the steel plate, first brush and the second brush are located at the two sides of first magnet.
3. magnetic strength speed measuring equipment according to claim 2, it is characterised in that:
First brush and second brush are respectively positioned on the same side of the steel plate.
4. magnetic strength speed measuring equipment according to claim 1, it is characterised in that:
The voltage check device further includes amplifier；
The amplifier is configured as the motional electromotive force that steel plate cutting magnetic induction line generates being amplified to default size.
5. magnetic strength speed measuring equipment according to claim 1, it is characterised in that:
First magnet is permanent magnet or electromagnet.
6. magnetic strength speed measuring equipment according to any one of claims 1-5, it is characterised in that:
The magnetic strength speed measuring equipment further includes supporter；
The bottom of the steel plate is arranged in the supporter；And when the steel plate is mobile, the steel plate and the supporter without
Relative motion.
7. magnetic strength speed measuring equipment according to claim 6, it is characterised in that:
The supporter includes conveyer belt and support wheel；
The conveyer belt and the support wheel are sequentially connected, and the steel plate is placed on the conveyer belt；And when the steel plate moves
When dynamic, the steel plate and the conveyer belt are without relative motion.
8. magnetic strength speed measuring equipment according to claim 7, it is characterised in that:
The support wheel freely rolls.
9. magnetic strength speed measuring equipment according to claim 6, it is characterised in that:
The supporter includes multiple rollers；
The roller is sequentially arranged along the length direction of the steel plate, and the central axes of the roller are along the width side of the steel plate
To extension.
10. a kind of steel plate speed measurement method, it is characterised in that:
The steel plate speed measurement method is based on magnetic strength speed measuring equipment of any of claims 1-9 comprising as follows
Step:
First magnet is approached into the steel plate, the brushgear is supported in the side of the width direction of the steel plate, institute
Brushgear is stated to be electrically connected with the voltage check device:
Permanent magnet generates uniform magnetic field B, and steel plate width is the equivalent length l of steel plate cutting magnetic induction line, and steel plate instantaneous velocity is
V obtains steel plate movement speed by formula E=Blv.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910389391.3A CN110058044A (en) | 2019-05-10 | 2019-05-10 | A kind of magnetic strength speed measuring equipment and steel plate speed measurement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910389391.3A CN110058044A (en) | 2019-05-10 | 2019-05-10 | A kind of magnetic strength speed measuring equipment and steel plate speed measurement method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110058044A true CN110058044A (en) | 2019-07-26 |
Family
ID=67322867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910389391.3A Pending CN110058044A (en) | 2019-05-10 | 2019-05-10 | A kind of magnetic strength speed measuring equipment and steel plate speed measurement method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110632341A (en) * | 2019-09-04 | 2019-12-31 | 华北水利水电大学 | Method for monitoring sliding speed and sliding displacement of landslide |
| CN114873185A (en) * | 2022-05-20 | 2022-08-09 | 徐州依科电气有限公司 | Speed measuring device and method for belt conveyor |
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| CN103257181A (en) * | 2013-05-24 | 2013-08-21 | 中国矿业大学 | Metal sheet defect detection device and method in high-speed motion state |
| DE102012209399A1 (en) * | 2012-06-04 | 2013-12-05 | Intrasys Gmbh Innovative Transportsysteme | Use of an electromagnetic speed change device, such as linear motor and / or eddy current brake, for speed measurement |
| CN204731261U (en) * | 2015-06-17 | 2015-10-28 | 浙江理工大学 | Medium plate speed detector |
| CN109387664A (en) * | 2017-08-07 | 2019-02-26 | 纳博特斯克有限公司 | Speed detector and stray magnetic field suppressing method |
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2019
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012209399A1 (en) * | 2012-06-04 | 2013-12-05 | Intrasys Gmbh Innovative Transportsysteme | Use of an electromagnetic speed change device, such as linear motor and / or eddy current brake, for speed measurement |
| CN103257181A (en) * | 2013-05-24 | 2013-08-21 | 中国矿业大学 | Metal sheet defect detection device and method in high-speed motion state |
| CN204731261U (en) * | 2015-06-17 | 2015-10-28 | 浙江理工大学 | Medium plate speed detector |
| CN109387664A (en) * | 2017-08-07 | 2019-02-26 | 纳博特斯克有限公司 | Speed detector and stray magnetic field suppressing method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110632341A (en) * | 2019-09-04 | 2019-12-31 | 华北水利水电大学 | Method for monitoring sliding speed and sliding displacement of landslide |
| CN110632341B (en) * | 2019-09-04 | 2021-07-02 | 华北水利水电大学 | Method for monitoring sliding speed and sliding displacement of landslide |
| CN114873185A (en) * | 2022-05-20 | 2022-08-09 | 徐州依科电气有限公司 | Speed measuring device and method for belt conveyor |
| CN114873185B (en) * | 2022-05-20 | 2023-06-16 | 徐州依科电气有限公司 | Speed measuring device and method for belt conveyor |
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Application publication date: 20190726 |