CN2821519Y - Inductive belt steel center position detector - Google Patents
Inductive belt steel center position detector Download PDFInfo
- Publication number
- CN2821519Y CN2821519Y CN 200520118447 CN200520118447U CN2821519Y CN 2821519 Y CN2821519 Y CN 2821519Y CN 200520118447 CN200520118447 CN 200520118447 CN 200520118447 U CN200520118447 U CN 200520118447U CN 2821519 Y CN2821519 Y CN 2821519Y
- Authority
- CN
- China
- Prior art keywords
- receiving coil
- transmitting coil
- coil
- band steel
- transmitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses an inductive belt steel center position detector which comprises a sensor, a testing circuit, a hydraulic cylinder, an electro hydraulic servo valve and a controller, wherein the sensor is composed of two transmitting coils and two receiving coils, the transmitting coil A and the transmitting coil B are connected with a controllable simple alternating current voltage source, and the receiving coil A and the receiving coil B are connected with the input terminal of a preamplifier of the testing circuit. The four coils are respectively arranged in a serving tray and are clamped and fixed on the serving tray by a clamp on the serving tray which is connected to a screw rod through a screw nut of the screw rod, one end of the screw rod is connected with a motor through a gear cluster, a mounting frame is provided with the screw rod and the motor, and a supporting seat is arranged on the bottom rim of the mounting frame. The sensor which is composed of hollow core coils wound by polyester enamelling round copper wires is adopted in the utility model, and the defect that a photoelectric transducer is easy to influence by external environment is overcome. The utility model has the advantages of no need of manual maintenance and long service life, and the detecting accuracy is improved.
Description
Technical field
The utility model relates to a kind of position detecting device, more particularly says, is meant a kind of induction type band steel center pick-up unit of the automatic centering when being applicable to strip running deviation.
Background technology
At present, the sensor of the center control device of most of metal strap adopts photo-electric light projector and light-receiving device, and light projector is a fluorescent tube, and light-receiving device is the cadmium sulfide resistor matrix.Its deficiency is: (1) when being with steel in frame central, can cause system misoperation because fluorescent tube is aging easily owing to the weakening of light that send of fluorescent tube; When damaging or produce, fluorescent tube wherein opens circuit and during loose contact, this system can be pulled to the frame edge with the band steel, cause misoperation, even the generation accident; (2) light-receiving device is subjected to the interference of scattered light easily, influences the operate as normal of system; (3) light-receiving device is polluted easily, and is particularly contaminated more serious on the metal strap production line, can cause misoperation equally, so need often manually clean, increases maintenance and labour intensity.
In the patented claim document of patent No. CN02279323.2, disclose and a kind ofly not influenced by extraneous rugged surroundings, aging, the induction band center control device of stable performance.Four sensors of this position control all are fixed in the cylinder, and its cylinder is fixed on frame.
Summary of the invention
The purpose of this utility model provides a kind of induction type band steel center pick-up unit of the automatic centering when being applicable to strip running deviation, this position detecting device produces induction electromotive force by the magnetic field that produces in two transmitting coils in two receiving coils, testing circuit is handled back output direct current signal to described induced electromotive force signal and is given controller, adjust electrohydraulic servo valve and drive hydraulic cylinder by controller and drive the correction roller and do corresponding rotation, get back to predetermined center, the automatic centering when finishing strip running deviation to adjust the band steel.
The utility model is a kind of induction type band steel center pick-up unit, comprise two transmitting coils and two receiving coils as sensor, testing circuit, hydraulic cylinder, electrohydraulic servo valve, controller, hydraulic cylinder is connected by lead with electric liquid Dong clothes valve, servo-valve is connected by lead with controller, and controller is connected with testing circuit.Testing circuit is made of synchronizing amplifier, prime amplifier, rectification circuit and low-pass filter, the input end of synchronizing amplifier is connected with controlled sinusoidal ac potential source, the output terminal of synchronizing amplifier is connected with rectification circuit, the output terminal of prime amplifier is connected with rectification circuit, rectification circuit is connected with low-pass filter, and low-pass filter is connected with controller; Transmitting coil A is connected with controlled sinusoidal ac potential source with transmitting coil B, and receiving coil A is connected with the prime amplifier of testing circuit with receiving coil B; Transmitting coil A, transmitting coil B, receiving coil A and receiving coil B are that the center symmetry is placed with the band steel, and the parallel both sides, band steel below that are placed on transmitting coil B of transmitting coil A, the parallel both sides, band steel top that are placed on receiving coil B of receiving coil A; Controlled sinusoidal ac potential source is supplied with transmitting coil A and transmitting coil B voltage signal, and around transmitting coil A and transmitting coil B, produce magnetic field, in receiving coil A and receiving coil B, produce induction electromotive force, described induction electromotive force is relevant with the strip running deviation distance, when the band steel produces lateral excursion in traveling process, prime amplifier receives the differential wave by receiving coil A and receiving coil B output, the output AC voltage signal is given rectification circuit after it amplifies, ac voltage signal is exported to low-pass filter after the rectification circuit rectification is the half-wave fluctuating signal, the half-wave fluctuating signal is delivered in the controller for d. c. voltage signal after low-pass filter filtering, control electric liquid Dong clothes valve by controller, electrohydraulic servo valve drives hydraulic cylinder drive correction roller and does corresponding rotation, get back to predetermined center, the automatic centering when finishing strip running deviation to adjust the band steel.
Described induction type band steel center pick-up unit, its four coils are placed on respectively in the pallet, and by the clip on the pallet it are fixed on pallet; Two leading screws are installed in parallel on the left and right side frame of erecting frame, and pallet is connected on the leading screw by feed screw nut, and an end of leading screw is connected with motor by gear set, and motor is installed on the frame of erecting frame, is provided with supporting seat on the boundary frame area of erecting frame; Transmitting coil A and transmitting coil B and receiving coil A and receiving coil B are that the center symmetry is placed with the band steel, and the parallel both sides, band steel below that are placed on transmitting coil B of transmitting coil A, the parallel both sides, band steel top that are placed on receiving coil B of receiving coil A.
The advantage of the utility model induction type band steel center pick-up unit: the sensor that the hollow coil structure that (1) adopts the polyester enamel insulated round copper wire to turn to is formed has overcome electro-optical pickoff and has been subject to the shortcoming that external environment influences, without manual maintenance, long service life, and improved accuracy of detection; (2) adopting the structural design of motor, leading screw and erecting frame to be placed on four coils to be with steel is the center symmetric position, has improved the detection width of this pick-up unit effectively, make measurement range adjustable.
Description of drawings
Fig. 1 is the structured flowchart of the utility model induction type band steel pick-up unit.
Fig. 2 is that coil concerns synoptic diagram with the position of being with steel.
Fig. 3 is that coil concerns synoptic diagram with the another location of being with steel.
Fig. 4 is the scheme of installation of coil.
Among the figure: 1. be with steel 2. transmitting coil A 3. transmitting coil B 4. receiving coil A5. receiving coil B 6. installing racks 61. first leading screws 62. second leading screws 63. first pallets 64. second pallets 65. the 3rd pallet 66. the 4th pallet 67. clips 68. supporting seats 69. motors 7. testing circuits 71, synchronizing amplifier 72. preamplifiers 73. rectification circuits 74. low pass filters 8. controllers 9. electrohydraulic servo valves 10. hydraulic cylinders 11. controlled sinusoidal ac potential sources
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
See also shown in Figure 1, the utility model is a kind of induction type band steel center pick-up unit, comprise two transmitting coils (transmitting coil A2 and transmitting coil B3) and two receiving coils (receiving coil A4 and receiving coil B5) as sensor, testing circuit 7, hydraulic cylinder 10, electric liquid Dong clothes valve 9, controller 8, hydraulic cylinder 10 and electric liquid Dong clothes valve 9 are connected by lead, Dong clothes valve 9 and controller 8 are connected by lead, and controller 8 is connected with testing circuit 7.Testing circuit 7 is made of synchronizing amplifier 71, prime amplifier 72, rectification circuit 73 and low-pass filter 74, synchronizing amplifier 71 input ends are connected with controlled sinusoidal ac potential source 11 output terminals, synchronizing amplifier 71 output terminals are connected with rectification circuit 73 input ends, prime amplifier 72 output terminals are connected with rectification circuit 73 input ends, rectification circuit 73 output terminals are connected with low-pass filter 74 input ends, and low-pass filter 74 output terminals are connected with controller 8; Transmitting coil A2 is connected with controlled sinusoidal ac potential source 11 with transmitting coil B3, and receiving coil A4 is connected with prime amplifier 72 input ends of testing circuit 7 with receiving coil B5; Transmitting coil A2 and transmitting coil B3 and receiving coil A4 and receiving coil B5 are that the center symmetry is placed with band steel 1, and the parallel band both sides, steel 1 below that are placed on of transmitting coil A2 with transmitting coil B3, the parallel band both sides, steel 1 top that are placed on of receiving coil A4 with receiving coil B5; Controlled sinusoidal ac potential source 11 is supplied with transmitting coil A2 and transmitting coil B3 voltage signal, and around transmitting coil A2 and transmitting coil B3, produce magnetic field, in receiving coil A4 and receiving coil B5, produce induction electromotive force, described induction electromotive force is relevant with band steel 1 sideslip distance, when band steel 1 produces lateral excursion in traveling process, prime amplifier 72 receives the differential wave by receiving coil A4 and receiving coil B5 output, the output AC voltage signal is given rectification circuit 73 after it amplifies, ac voltage signal is exported to low-pass filter 74 after rectification circuit 73 rectifications are the half-wave fluctuating signal, the half-wave fluctuating signal is delivered in the controller 8 for d. c. voltage signal after low-pass filter 74 filtering, by the electric liquid of controller 8 controls Dong clothes valve 9, electrohydraulic servo valve 9 drives hydraulic cylinder 10 drive correction rollers and does corresponding rotation, get back to predetermined center, the automatic centering when finishing strip running deviation to adjust band steel 1.
In the utility model, transmitting coil A2, transmitting coil B3, receiving coil A4 and receiving coil B5 are the hollow coil structures that is turned to by the polyester enamel insulated round copper wire.
See also shown in Figure 4, the utility model induction type band steel center pick-up unit, four coils are placed on respectively in the pallet, and by the clip on the pallet it are fixed on pallet; Two leading screws are installed in parallel on the left and right side frame of erecting frame 6, pallet is connected on the leading screw by feed screw nut, one end of leading screw is connected with motor 69 by gear set, and motor 69 is installed on the frame of erecting frame 6, is provided with supporting seat 68 on the boundary frame area of erecting frame 6; Transmitting coil A2 and transmitting coil B3 and receiving coil A4 and receiving coil B5 are that the center symmetry is placed with band steel 1, and the parallel band both sides, steel 1 below that are placed on of transmitting coil A2 with transmitting coil B3, the parallel band both sides, steel 1 top that are placed on of receiving coil A4 with receiving coil B5.To narrate the installation site relation of these four coils below respectively: transmitting coil A2 is placed in the 3rd pallet 65, and with the clip on the 3rd pallet 65 transmitting coil A2 is fixed in dish; Transmitting coil B3 is placed in the 4th pallet 66, and with the clip on the 4th pallet 66 transmitting coil B3 is fixed in dish; Receiving coil A4 is placed in first pallet 63, and with the clip on first pallet 63 receiving coil A4 is fixed in dish; Receiving coil B5 is placed in second pallet 64, and with the clip on second pallet 64 receiving coil B5 is fixed in dish.First leading screw 61 and second leading screw 62 are installed in parallel on the left and right side frame of erecting frame 6, and first pallet 63 and second pallet 64 are connected on second leading screw 62 by feed screw nut, and second leading screw, 62 1 ends are connected with servomotor 69 by gear set; The 3rd pallet 65 and the 4th pallet 66 are connected on first leading screw 61 by feed screw nut, first leading screw, 61 1 ends are connected with servomotor 69 by gear set, servomotor 69 is installed on the frame of erecting frame 6, described servomotor 69 drives first leading screw 61 and second leading screw 62 is regulated the relative position of sensor (being transmitting coil A2 and transmitting coil B3 and receiving coil A4 and receiving coil B5), comes the detection width of accommodation zone steel 1 with this.Be provided with supporting seat 68 on the boundary frame area of erecting frame 6, supporting seat 68 is used for fixing erecting frame 6.Erecting frame 6, first leading screw 61, second leading screw 62 and four pallets all adopt non-magnet material to be processed into.Be to utilize the motor-driven leading screw and itself and erecting frame 6 structural designs fixing and that utilize pallet that coil is installed are realized the adjusting of sensing range in the utility model, the accuracy of detection and the detection width that have improved the utility model position detecting device effectively are adjustable.
See also shown in Figure 2, the utility model induction type band steel center pick-up unit, transmitting coil A2 and transmitting coil B3 and receiving coil A4 and receiving coil B5 are that the center symmetry is placed with band steel 1, receiving coil A4 and receiving coil B5 are placed on the top of band steel 1, transmitting coil A2 and transmitting coil B3 are placed on the below of band steel 1, and transmitting coil A2 and the parallel symmetry of receiving coil A4, it is between the upper and lower every 200～300mm, and preferred distance is 250mm; Transmitting coil B3 and the parallel symmetry of receiving coil B5, it is between the upper and lower every 200～300mm, and preferred distance is 250mm.In actual use, also the position of two receiving coils and transmitting coil can be exchanged, be the below that receiving coil A4 and receiving coil B5 are placed on band steel 1, transmitting coil A2 and transmitting coil B3 are placed on the top of band steel 1, and its position relation as shown in Figure 3.
Claims (5)
1, a kind of induction type band steel center pick-up unit, comprise sensor, testing circuit (7), hydraulic cylinder (10), electric liquid Dong clothes valve (9), controller (8), hydraulic cylinder (10) is connected by lead with electrohydraulic servo valve (9), servo-valve (9) is connected by lead with controller (8), controller (8) is connected with testing circuit (7), it is characterized in that: described sensor is made up of two transmitting coils (2,3) and two receiving coils (4,5)
Described testing circuit (7) is made of synchronizing amplifier (71), prime amplifier (72), rectification circuit (73) and low-pass filter (74), synchronizing amplifier (71) input end is connected with controlled sinusoidal ac potential source (11) output terminal, synchronizing amplifier (71) output terminal is connected with rectification circuit (73) input end, prime amplifier (72) output terminal is connected with rectification circuit (73) input end, rectification circuit (73) output terminal is connected with low-pass filter (74) input end, and low-pass filter (74) output terminal is connected with controller (8) input end;
Described transmitting coil A (2) is connected with controlled sinusoidal ac potential source (11) with transmitting coil B (3), and receiving coil A (4) is connected with prime amplifier (72) input end of testing circuit (7) with receiving coil B (5);
Controlled sinusoidal ac potential source (11) is supplied with transmitting coil A (2) and transmitting coil B (3) voltage signal, and produce magnetic field all around at transmitting coil A (2) and transmitting coil B (3), in receiving coil A (4) and receiving coil B (5), produce induction electromotive force, described induction electromotive force is relevant with band steel (1) sideslip distance, when band steel (1) produces lateral excursion in traveling process, prime amplifier (72) receives the differential wave by receiving coil A (4) and receiving coil B (5) output, the output AC voltage signal is given rectification circuit (73) after it amplifies, ac voltage signal is exported to low-pass filter (74) after rectification circuit (73) rectification is the half-wave fluctuating signal, the half-wave fluctuating signal is delivered in the controller (8) for d. c. voltage signal after low-pass filter (74) filtering, by controller (8) control electrohydraulic servo valve (9), electrohydraulic servo valve (9) drives hydraulic cylinder (10) drive correction roller and does corresponding rotation, get back to predetermined center, the automatic centering when finishing strip running deviation to adjust band steel (1).
2, induction type band steel according to claim 1 center pick-up unit, it is characterized in that: described four coils are placed on respectively in the pallet, and by the clip on the pallet it are fixed on pallet; Two leading screws are installed in parallel on the left and right side frame of erecting frame (6), pallet is installed on the leading screw by feed screw nut, one end of leading screw is connected with motor (69) by gear set, and motor (69) is installed on the frame of erecting frame (6), is provided with supporting seat (68) on the boundary frame area of erecting frame (6); Transmitting coil A (2) and transmitting coil B (3) and receiving coil A (4) and receiving coil B (5) are that the center symmetry is placed with band steel (1), and the parallel both sides, band steel (1) below that are placed on of transmitting coil A (2) with transmitting coil B (3), the parallel both sides, band steel (1) top that are placed on of receiving coil A (4) with receiving coil B (5).
3, induction type band steel according to claim 2 center pick-up unit, it is characterized in that: transmitting coil A (2) and transmitting coil B (3) are placed on both sides, band steel (1) top, and receiving coil A (4) and receiving coil B (5) are placed on both sides, band steel (1) below.
4, induction type band steel according to claim 2 center pick-up unit is characterized in that: erecting frame (6), leading screw and pallet adopt non-magnet material to be processed into.
5, induction type band steel according to claim 1 center pick-up unit, it is characterized in that: transmitting coil A (2), transmitting coil B (3), receiving coil A (4) and receiving coil B (5) are the hollow coils that is turned to by the polyester enamel insulated round copper wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520118447 CN2821519Y (en) | 2005-09-09 | 2005-09-09 | Inductive belt steel center position detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520118447 CN2821519Y (en) | 2005-09-09 | 2005-09-09 | Inductive belt steel center position detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2821519Y true CN2821519Y (en) | 2006-09-27 |
Family
ID=37018073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520118447 Expired - Fee Related CN2821519Y (en) | 2005-09-09 | 2005-09-09 | Inductive belt steel center position detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2821519Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101661294B (en) * | 2009-09-03 | 2012-06-13 | 苏州有色金属研究院有限公司 | Self-adaptive fuzzy control method of strip centering system |
| CN105547121A (en) * | 2016-02-03 | 2016-05-04 | 莱芜钢铁集团电子有限公司 | Inductance type strip position detector installation device, system and control method |
| CN107735188A (en) * | 2015-06-09 | 2018-02-23 | 诺维尔里斯公司 | Non-contact magnetically sexual deviation |
| CN110207583A (en) * | 2019-07-02 | 2019-09-06 | 唐山迪安自动化设备有限公司 | Steel band position measurement sensor in acid tank |
| RU214880U1 (en) * | 2022-07-18 | 2022-11-18 | ФЕДЕРАЛЬНОЕ ГОСУДАРСТВЕННОЕ КАЗЕННОЕ ВОЕННОЕ ОБРАЗОВАТЕЛЬНОЕ УЧРЕЖДЕНИЕ ВЫСШЕГО ОБРАЗОВАНИЯ Военная академия Ракетных войск стратегического назначения имени Петра Великого МИНИСТЕРСТВА ОБОРОНЫ РОССИЙСКОЙ ФЕДЕРАЦИИ | DEVICE FOR DEFINITION OF IMPREGNATED NON-CONDUCTING FIBERS OF MICROPLASTIC POLYMER MATERIALS |
-
2005
- 2005-09-09 CN CN 200520118447 patent/CN2821519Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101661294B (en) * | 2009-09-03 | 2012-06-13 | 苏州有色金属研究院有限公司 | Self-adaptive fuzzy control method of strip centering system |
| CN107735188A (en) * | 2015-06-09 | 2018-02-23 | 诺维尔里斯公司 | Non-contact magnetically sexual deviation |
| US10738828B2 (en) | 2015-06-09 | 2020-08-11 | Novelis Inc. | Non-contact magnetic steering |
| CN107735188B (en) * | 2015-06-09 | 2020-08-18 | 诺维尔里斯公司 | Non-contact magnetic steering |
| US11125271B2 (en) | 2015-06-09 | 2021-09-21 | Novelis Inc. | Non-contact magnetic steering |
| CN105547121A (en) * | 2016-02-03 | 2016-05-04 | 莱芜钢铁集团电子有限公司 | Inductance type strip position detector installation device, system and control method |
| CN105547121B (en) * | 2016-02-03 | 2019-03-05 | 莱芜钢铁集团电子有限公司 | Mounting device, system and the control method of inductance type strip position detector |
| CN110207583A (en) * | 2019-07-02 | 2019-09-06 | 唐山迪安自动化设备有限公司 | Steel band position measurement sensor in acid tank |
| RU214880U1 (en) * | 2022-07-18 | 2022-11-18 | ФЕДЕРАЛЬНОЕ ГОСУДАРСТВЕННОЕ КАЗЕННОЕ ВОЕННОЕ ОБРАЗОВАТЕЛЬНОЕ УЧРЕЖДЕНИЕ ВЫСШЕГО ОБРАЗОВАНИЯ Военная академия Ракетных войск стратегического назначения имени Петра Великого МИНИСТЕРСТВА ОБОРОНЫ РОССИЙСКОЙ ФЕДЕРАЦИИ | DEVICE FOR DEFINITION OF IMPREGNATED NON-CONDUCTING FIBERS OF MICROPLASTIC POLYMER MATERIALS |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2821519Y (en) | Inductive belt steel center position detector | |
| JP5552662B2 (en) | Spinning yarn detection device | |
| CN1931628B (en) | Rail table system | |
| CN106767368B (en) | One kind being based on circumferential electric field pipe surface shear crack measuring device and method | |
| CA2865907A1 (en) | Device and method for inspection of a stator core of an electrical machine | |
| CN102658504B (en) | Servo motor system and thickness measurement method based on same | |
| JP5422971B2 (en) | Spinning device for yarn breakage | |
| CN202828868U (en) | Filter cleaner conveying mechanism | |
| CN204572964U (en) | A kind of elevator door belt tension automatic regulating apparatus | |
| CN106644224A (en) | Dynamic torque sensor of magnetic bearing | |
| CN212845427U (en) | Efficient CCD coiled material inspection device | |
| CN1491470A (en) | Overload current protection device using magnetic impedance element | |
| CN102426296A (en) | Surface water conductivity non-contact measurement device and method | |
| CN2888408Y (en) | Sensing type strip steel center position detection sensor | |
| CN204675546U (en) | A kind of simplified elevator flat bed induction installation | |
| CN103042452A (en) | Rolling type wire drawing machine for aluminum plate wiredrawing texture forming | |
| CN102732958A (en) | Device and method for automatic measurement of crystal growth speed of polycrystal growing furnace | |
| CN217359940U (en) | Gear revolution speed sensor convenient to installation | |
| CN101644685B (en) | Online steel plate hole detection device and calculation method of longitudinal size of hole | |
| CN111122696A (en) | Detect steel multichannel eddy current testing system | |
| CN110488878A (en) | A kind of electrical conduits lifting device | |
| CN103308597A (en) | Metal section small hole detection method and system based on electrical vortex sensor | |
| CN214668649U (en) | Network filter visual detection device | |
| CN110479794A (en) | A kind of band steel roll tower shaped cancellation element | |
| CN210676370U (en) | Centering system of plate and strip foil rolling mill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060927 Termination date: 20130909 |