CN2437645Y - Non-contact electronic belt longitudinal tearing protection device - Google Patents
Non-contact electronic belt longitudinal tearing protection device Download PDFInfo
- Publication number
- CN2437645Y CN2437645Y CN 00243858 CN00243858U CN2437645Y CN 2437645 Y CN2437645 Y CN 2437645Y CN 00243858 CN00243858 CN 00243858 CN 00243858 U CN00243858 U CN 00243858U CN 2437645 Y CN2437645 Y CN 2437645Y
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- CN
- China
- Prior art keywords
- belt
- coil
- signal
- longitudinal tear
- magnet steel
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- Expired - Fee Related
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Abstract
A non-contact electronic belt longitudinal tearing protector is characterized by that the whole length of the belt is divided into several equal portions, every equal division point is close to the outer edge of the belt, in the thickness direction of the belt a signal coil is placed, two windings of the coil are symmetrically placed on two sides of the belt, and a pair of connecting wires are used to connect two windings in series, and the connecting wires are buried in the belt, and in the proper position close to the blanking point behind the blanking point of the belt, a sampling coil is mounted on one side of the lower portion of the belt in a non-contact mode, and on the other side a magnetic steel is mounted in a non-contact mode.
Description
The utility model relates to a kind of fender guard of belt longitudinal tear, particularly relates to a kind of a kind of contactless electronic belt protective device against longitudinal tear that the belt longitudinal tear is detected of coming with electromagnetic induction principle.
At present, the protective device against longitudinal tear of belt is the mechanical contact formula, behind the belt longitudinal tear, makes the object of belt tearing pass belt, promotes mechanical device, makes the mechanical closing of contact, sends guard signal.The shortcoming of this kind fender guard is; when the object that makes belt produce longitudinal tear is not once belt to be torn to wear; do not have effect but tear time protection from level to level; even secondly object once tears belt and wears; also failing closure because of all mechanical reason mechanical contacts can not send out and tears signal; so most of mechanical type protective device against longitudinal tear poor reliability, the life-span is low, does not have its due effect.
The purpose of this utility model is to provide a kind of contactless electronic belt protective device against longitudinal tear, its good reliability, and the life-span is long.As long as there is object that belt is carried out the longitudinal tear effect, can obtain the longitudinal tear signal, send after judging by the electronic circuit processing again and tear signal, play the fender guard of protecting longitudinal rupture effect.As Fig. 1, this device adopts electromagnetic induction to carry out signal sampling, and microelectronic circuit carries out the signal comparison, signal is judged, in the mode of outlet processing signals, the belt longitudinal tear is carried out reliable protection then.
For achieving the above object, the utility model adopts following technical scheme, it is characterized in that: near belt 6 outer edge, in belt 6 thickness directions, place signal coil 5 on the some Along ents on belt 6 total lengths.Two windings of coil 5 are placed in belt 6 bilateral symmetry, with a pair of connecting wire 9 two windings in series are got up, and connecting wire 9 is embedded in the belt 6; Apart from the nearer correct position of discharging point, a side and belt are equipped with sampling coil 2 non-contactly below belt behind the belt discharging point, and opposite side is equipped with magnet steel 3 non-contactly.Described sampling coil 2 is contained on the fixed mount 8, on this fixed mount 8 signal processor unit 4 is housed also; Described magnet steel 3 is contained on the magnet steel fixed mount 10, and magnet steel fixed mount 16 is contained on the column 11.
Now in conjunction with the accompanying drawings the utility model is done concrete introduction.In the accompanying drawing:
Fig. 1 is the signal conditioning block diagram of contactless electronic belt protective device against longitudinal tear of the present utility model.
Fig. 2 is the vertical arrangement plan of components and parts of contactless electronic belt protective device against longitudinal tear of the present utility model.
Figure is the A-A cutaway view Amplified image among Fig. 2, shows components and parts lateral arrangement figure of the present utility model.
Code name among the figure: the every equal portions length of 1 belt pulley, 2 sampling coil 3 magnet steel 4 signal processor unit, 5 signal coil 6 belts, 7 belt pulley 8 fixed mounts, 9 connecting wire 10 magnet steel fixed mounts, 11 column L belts
As Fig. 2, shown in Figure 3: at the length direction of belt 6 every the distance L (about 20 meters) that equates at the about 3cm of the outward flange of distance belt 6 place, place along the middle part of the thickness direction of belt 6 signal coil 5 several, two windings of signal coil 5 are arranged in belt 6 bilateral symmetry, its connecting wire 9 is embedded in apart from belt 6 upper surface 2mm places, and connecting wire 9 is vertical with the strap length direction, at nearer position, distance belt 6 blanking port rears, fix two columns 11, magnet fixed mount 10 is installed on one heel post 11, be fixed with magnet steel 3 on the magnet fixed mount, signal processor unit 4 and sampling coil fixed mount 8 are installed on the opposite side column 11, fixed sample coil 2 on the sampling coil fixed mount 8 is placed the microelectronics signal processor unit in the signal processor unit.During belt 6 normal operations, the signal coil 5 that is contained in the belt 6 is regularly inswept from magnet steel 3 tops, a winding of magnetic force line cutting signal coil 5, because two windings of signal coil 5 are connected lead 9 series connection and connect, so electric current also flows through in another signal coil 5, electric current in this coil produces a variation magnetic field, sampling coil 2 is cut in this magnetic field again, thereby induction produces a signal voltage in sampling coil 2, this signal voltage is delivered to signal processor unit 4, signal processor unit 4 is received that treated judgement is confirmed to be the signal that is come by the signal roundel induction behind the signal and is assert that then this moment, longitudinal tear did not take place belt, and pick up counting, because belt 6 belt speed are fixed, arrive so produce the secondary signal coil from first signal, produce between second signal, the time of being separated by is a constant.
When equaling this constant substantially between 4 timing of signal processor unit (differing in 10%), secondary signal arrives, and illustrates that then longitudinal tear does not take place belt, and signal processor unit carries out timing again since second signal.
Second sampled signal do not arrive yet if signal processor unit 4 time of being counted surpasses this constant, illustrates that then longitudinal tear has taken place belt 6, and signal processor unit 4 sends to be torn guard signal belt 6 is protected.
In sum; adopt the utility model contactless electronic belt protective device against longitudinal tear; under the sampling coil and the discontiguous situation of belt of fender guard; collected the belt longitudinal tear signal that sends by magnet steel and signal coil exactly by electromagnetic induction principle; after handling, electronic signal processing apparatus sends guard signal; greatly improved the reliability of belt protecting longitudinal rupture, and can not torn to send under the situation of wearing at belt and tear signal, belt is protected.Owing to adopted signal coil is contained in particular job mode in the belt, sampling coil magnet steel does not all contact with belt, has improved the service life of fender guard widely.The utility model is applicable to the protection of various transportations, drive belt.
Claims (4)
1, a kind of contactless electronic belt protective device against longitudinal tear, it is characterized in that: on the some Along ents on belt (6) total length near belt (6) outer edge, in belt (6) thickness direction, place signal coil (5), two windings of coil (5) are placed in belt (6) bilateral symmetry, with a pair of connecting wire (9) two windings in series are got up, connecting wire (9) is embedded in the belt (6); Apart from the nearer correct position of discharging point, a side is equipped with sampling coil (2) non-contactly below belt behind the belt discharging point, and opposite side is equipped with magnet steel (3) non-contactly.
2, according to the described contactless electronic belt of claim 1 protective device against longitudinal tear, it is characterized in that: described sampling coil (2) is contained on the fixed mount (8), and signal processor unit (4) also is housed on this fixed mount (8); Described magnet steel (3) is contained on the magnet steel fixed mount (10), and magnet steel fixed mount (16) is contained on the column (11).
3, according to the described contactless electronic belt of claim 1 protective device against longitudinal tear, it is characterized in that: described signal coil (5) is contained in the middle part of the thickness direction of belt (6).
4, according to the described contactless electronic belt of claim 1 protective device against longitudinal tear, it is characterized in that: every equal portions length of described belt (6) is 20 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00243858 CN2437645Y (en) | 2000-07-26 | 2000-07-26 | Non-contact electronic belt longitudinal tearing protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00243858 CN2437645Y (en) | 2000-07-26 | 2000-07-26 | Non-contact electronic belt longitudinal tearing protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2437645Y true CN2437645Y (en) | 2001-07-04 |
Family
ID=33603659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00243858 Expired - Fee Related CN2437645Y (en) | 2000-07-26 | 2000-07-26 | Non-contact electronic belt longitudinal tearing protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2437645Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104355087A (en) * | 2014-10-27 | 2015-02-18 | 杨斌 | Detection and alarm device for longitudinal crack of conveying belt |
| CN109863104A (en) * | 2016-11-24 | 2019-06-07 | 横滨橡胶株式会社 | Conveyer belt and belt conveyer device |
-
2000
- 2000-07-26 CN CN 00243858 patent/CN2437645Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104355087A (en) * | 2014-10-27 | 2015-02-18 | 杨斌 | Detection and alarm device for longitudinal crack of conveying belt |
| CN109863104A (en) * | 2016-11-24 | 2019-06-07 | 横滨橡胶株式会社 | Conveyer belt and belt conveyer device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |