CN212316357U

CN212316357U - Small-size broken wire detection device

Info

Publication number: CN212316357U
Application number: CN202020887475.8U
Authority: CN
Inventors: 王建光; 娄国华; 安永苍
Original assignee: Yiwu Weiken Electronic Technology Co ltd
Current assignee: Yiwu Weiken Electronic Technology Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-01-08
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a small-volume broken line detection device, which comprises a main body, wherein an integrated circuit board is fixed in the main body, and a photoelectric sensor and a Hall sensor are connected on the integrated circuit board; a detection hole is formed in the position, corresponding to the photoelectric sensor, of the main body; the main body is rotatably connected with a swing rod, one end of the swing rod is connected with a stop lever, and the moving path of the stop lever passes through the axial extension line of the detection hole; the other end of the oscillating bar is connected with an induction magnet, and one side of the moving path of the induction magnet passes through a Hall sensor; the oscillating bar is provided with a reset device, the reset device enables the stop lever to have a trend close to the main body, and the reset device enables the induction magnet to have a trend close to the Hall sensor. The utility model discloses not only can reduce the wrong report, still have that the start operation is more convenient, the volume is less, processing is more convenient, alarm efficiency is higher, the dismouting maintenance is more convenient, difficult kinking, life is longer and the lower advantage of cost.

Description

Small-size broken wire detection device

Technical Field

The utility model relates to a broken string detection device, especially a broken string detection device of little volume.

Background

At present, a broken yarn detection device of a common loom in the market is characterized in that a main body is rotatably connected with a swing rod, yarns can limit the rotation of the swing rod, and when the swing rod rotates, a Hall sensor can be triggered to give an alarm; when the broken yarn detection device is used, the swing rod can rotate due to the fact that the yarn becomes loose, and a false alarm phenomenon is generated; particularly, when the loom is on line at the beginning, the yarn is not tensioned, the alarm phenomenon exists all the time, the starting can be finished only by manually limiting the swing rod until the yarn is tensioned, and the operation is troublesome; and the sensor is additionally arranged to judge whether the yarn moves, so that the volume of the whole broken yarn detection device is larger. Therefore, the existing wire breakage detection device has the problems of easy false alarm, troublesome starting operation and larger volume.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a broken string detection device of small volume. The utility model discloses not only can reduce the wrong report, still have the advantage that the start operation is more convenient and the volume is less.

The technical scheme of the utility model: a small-volume broken wire detection device comprises a main body, wherein an integrated circuit board is fixed in the main body, and a photoelectric sensor and a Hall sensor are connected on the integrated circuit board; a detection hole is formed in the position, corresponding to the photoelectric sensor, of the main body; the main body is rotatably connected with a swing rod, one end of the swing rod is connected with a stop lever, and the moving path of the stop lever passes through the axial extension line of the detection hole; the other end of the oscillating bar is connected with an induction magnet, and one side of the moving path of the induction magnet passes through a Hall sensor; the oscillating bar is provided with a reset device, the reset device enables the stop lever to have a trend close to the main body, and the reset device enables the induction magnet to have a trend close to the Hall sensor.

In the small-volume broken wire detection device, the main body is connected with a wire block, a wire guide pipe is fixed on the wire block in the direction corresponding to the axial extension line of the detection hole, and a notch is formed in the middle of the wire guide pipe at the position corresponding to the moving path of the stop lever; the swing rod is rotatably connected to the lead block.

In the small-sized broken wire detection device, the notch is an oblique opening.

In the small-sized disconnection detecting device, the wire block is connected with the magnet on the moving path corresponding to the induction magnet, and when the magnet is adsorbed to the induction magnet, the induction magnet is located on one side of the hall sensor.

In the small-sized broken wire detection device, an accommodating cavity is formed in the position, corresponding to the moving path of the induction magnet, of the lead block.

In the small-volume broken wire detection device, the main body is connected with a connecting piece, and a fixing buckle is arranged on the connecting piece; the lead block is connected to the connecting piece.

In the small-size wire breakage detection device, the connecting piece is fixed with the clamping strip, and the clamping strip is clamped with the clamping groove fixed on the wire block.

In the small-size broken line detection device, a wire inlet hole is formed in the connecting piece in the direction corresponding to the axial extension line of the detection hole, and a circular ring is fixed at the position of the connecting piece corresponding to the wire inlet hole.

In the small-volume broken wire detection device, the inner surfaces of the conduit, the detection hole and the wire inlet hole are all provided with wear-resistant layers.

In the small-sized wire breakage detecting device, the reset device is gravity.

Compared with the prior art, the utility model improves the existing broken line detection device, and reduces the total volume of the two sensors by integrating the signal transmission lines of the photoelectric sensor and the Hall sensor on the integrated circuit board; the main body is provided with the detection hole, and the photoelectric sensor is arranged at the position of the detection hole, so that the photoelectric sensor can sense signals when the yarn is pulled in the detection hole; the main body is internally provided with a Hall sensor, the main body is rotatably connected with a swing rod, one end of the swing rod is connected with a transverse stop lever, the other end of the swing rod is connected with a magnet, the swing rod is also provided with a reset device, so that the stop lever has a trend close to the main body, and the reset device can enable the induction magnet to have a trend close to the Hall sensor; when the device is started, the yarn at the position of the detection hole is in a stop state, and the photoelectric sensor does not transmit signals at the time, so that a signal transmission line of the Hall sensor is in an open circuit state, and the device cannot give an alarm and is not easy to give a false alarm even if the oscillating bar rotates to enable the induction magnet to be close to the Hall sensor; the swinging rod is not limited manually, so that the starting operation is more convenient; then the loom works to pull the yarn, and the photoelectric sensor senses the moving yarn, so that signals are transmitted and the signal transmission line of the Hall sensor is in a communicated state; and the tension is larger after the yarn is pulled, the yarn can limit the swing rod to rotate by the reset device, when the yarn is broken or the yarn is used up, the stop lever is not limited by the yarn, the swing rod rotates under the action of the reset device to drive the induction magnet to trigger the Hall sensor and successfully transmit signals, so that the rapid shutdown alarm operation is realized (when the yarn is broken or the yarn is used up, the photoelectric sensor has a time delay, the signal transmission route of the Hall sensor cannot be switched into an open circuit state at once, and the alarm operation is realized). In addition, the yarn in the utility model can pass through the conduit and the detection hole, and the position of the middle part of the conduit corresponding to the moving path of the stop lever is provided with the notch, so that the yarn at the notch is limited by the conduit to have larger tension, and the false alarm operation of the Hall sensor triggered by the rotation of the oscillating bar due to the fact that the yarn is too loose is not easy to occur in the yarn moving process; the notch is an oblique opening, the size of the notch is reduced as much as possible, the stop lever for limiting the moving range of the yarn is not easy to reset, and the oblique opening is more convenient to process; the wire guide block is also connected with a magnet, and when the yarn is broken, the oscillating bar drives the induction magnet to rotate, and then the magnet can generate attraction force on the induction magnet, so that the induction magnet is more quickly close to the Hall sensor, and the alarm efficiency is improved; the broken thread can not be woven into the socks, so that the subsequent broken thread reconnection is convenient, and the defective rate is reduced; the position of the lead block, which corresponds to the moving path of the induction magnet, is provided with the accommodating cavity, so that the weight is reduced, and the manufacturing cost of the lead block is reduced; the main body is connected with the loom through the fixing buckle on the connecting piece, so that the connection is more convenient; the lead block is connected with the connecting piece through the clamping strip and the clamping groove, so that the assembly, disassembly and maintenance are convenient; the yarn enters the detection hole after passing through the yarn inlet hole on the connecting piece, and a circular ring is fixed at the position, corresponding to the yarn inlet hole, on the connecting piece, the yarn can shake to a certain degree when entering the yarn, and the circular ring can prevent the yarn from being wound on the main body after shaking; the inner surfaces of the conduit, the detection hole and the wire inlet hole are all provided with wear-resistant layers, and the wear-resistant layers can be glazed ceramic, so that yarns are ensured to pass through smoothly and are not easy to damage, and the service life is long; resetting means is gravity, and gravity makes the pin have the trend of being close to the main part, and response magnet has the trend of being close to hall sensor, need not to add other torsional spring isotructures, and the cost is lower. Therefore, the utility model discloses not only can reduce the wrong report, still have the operation of starting more convenient, the volume is less, processing is more convenient, alarm efficiency is higher, the dismouting maintenance is more convenient, difficult kinking, life is longer and the lower advantage of cost.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic diagram of a lead block;

fig. 3 is a sectional view of the main body.

The labels in the figures are: 1-main body, 2-integrated circuit board, 3-photoelectric sensor, 4-Hall sensor, 5-detection hole, 6-swing rod, 7-stop rod, 8-induction magnet, 9-lead block, 10-notch, 11-magnet, 12-containing cavity, 13-lead pipe, 14-connecting piece, 15-fixing buckle, 16-clamping strip, 17-clamping groove, 18-wire inlet hole and 19-circular ring.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Examples are given. A small-volume broken line detection device is shown in figures 1 to 3 and comprises a main body 1, wherein an integrated circuit board 2 is fixed in the main body 1, and a photoelectric sensor 3 and a Hall sensor 4 are connected to the integrated circuit board 2; a detection hole 5 is formed in the position, corresponding to the photoelectric sensor 3, of the main body 1; the main body 1 is rotatably connected with a swing rod 6, one end part of the swing rod 6 is connected with a stop lever 7, and the moving path of the stop lever 7 passes through the axial extension line of the detection hole 5; the other end of the oscillating bar 6 is connected with an induction magnet 8, and one side of the moving path of the induction magnet 8 passes through the Hall sensor 4; the oscillating bar 6 is provided with a resetting device which enables the stop lever 7 to have a trend close to the main body 1, and the resetting device enables the induction magnet 8 to have a trend close to the Hall sensor 4.

The main body 1 is connected with a wire block 9, a wire guide 13 is fixed on the wire block 9 in the direction corresponding to the axial extension line of the detection hole 5, and a notch 10 is arranged in the middle of the wire guide 13 corresponding to the moving path of the stop lever 7; the swing rod 6 is rotatably connected to the lead block 9; the notch 10 is an oblique opening; a magnet 11 is connected on the moving path of the lead block 9 corresponding to the induction magnet 8, and when the magnet 11 is adsorbed to the induction magnet 8, the induction magnet 8 is positioned at one side of the Hall sensor 4; an accommodating cavity 12 is arranged at the position, corresponding to the moving path of the induction magnet 8, on the lead block 9; the main body 1 is connected with a connecting piece 14, and the connecting piece 14 is provided with a fixing buckle 15; the lead block 9 is connected to a connecting piece 14; a clamping strip 16 is fixed on the connecting piece 14, and a clamping groove 17 fixed on the lead block 9 is clamped on the clamping strip 16; a wire inlet hole 18 is arranged on the connecting piece 14 in the direction corresponding to the axial extension line of the detection hole 5, and a circular ring 19 is fixed on the connecting piece 14 at the position corresponding to the wire inlet hole 18; the inner surfaces of the conduit 13, the detection hole 5 and the wire inlet hole 18 are all provided with wear-resistant layers; the resetting device is gravity.

The working principle is as follows: firstly, a worker connects the main body 1 with the connecting piece 14, and then the main body is matched and clamped with the clamping strip 16 on the connecting piece 14 through the clamping groove 17 on the lead block 9, so that the lead block 9 is fixed on the connecting piece 14; subsequently, the main body 1 is fixed to the loom by the fixing buckle 15 on the connecting member 14.

Subsequently, the worker inserts the yarn into the yarn inlet hole 18 from the middle of the ring 19 of the connecting member 14, and then passes the yarn through the detecting hole 5 of the main body 1; then, the swing rod 6 is rotated, so that the stop lever 7 penetrates through a notch 10 in the middle of the conduit 13, then the yarn penetrates through the conduit 13, the stop lever 7 is limited by the yarn, the notch 10 is slightly larger than the moving path of the stop lever 7, the yarn tension at the notch 10 is larger, and the stop lever 7 is not easy to reset under the action of gravity; the photoelectric sensor 3 cannot sense the movement of the yarn, so that a signal transmission line of the Hall sensor 4 is in an open circuit state, and the Hall sensor 4 cannot generate false alarm; finally, the yarn is introduced into the loom.

When the loom weaves socks, yarns are pulled, and glazed ceramic layers are arranged on the inner surfaces of the conduit 13, the detection hole 5 and the wire inlet hole 18, so that the yarns are not easy to damage while passing smoothly, and the service life is long; the yarn is pulled to shake, and the ring 19 at the position of the wire inlet 18 can prevent the yarn from shaking and winding on the main body 1; when the yarn is pulled, the photoelectric sensor 3 at the detection hole 5 can sense the movement of the yarn and transmit signals to the integrated circuit board 2, and a lead can be connected on the integrated circuit board 2 to transmit the signals to a controller (the controller can be FX2C-20MRD, Cortex-R8 or Cortex-M7 in type), so that the normal movement of the yarn is reflected; and make hall sensor 4's signal transmission route be the connected state, after the yarn was taut, yarn tension grow makes pin 7 be more difficult to reset, can avoid hall sensor 4's wrong report phenomenon betterly.

When the yarn is broken or is used up, the yarn of the stop lever 7 is limited to disappear, the stop lever 7 passes through an inclined notch 10 in the middle of a conduit 13 under the action of gravity and drives the swing rod 6 to rotate on the lead block 9, the induction magnet 8 on the swing rod 6 also moves in the accommodating cavity 12 on the lead block 9, and the induction magnet 8 can be attracted by the magnet 11 on the lead block 9, so that the induction magnet is close to the Hall sensor 4 on the main body 1 in an accelerated manner, the Hall sensor 4 can quickly transmit signals to the controller through the integrated circuit board 2 (meanwhile, the yarn cannot be detected at the position of the detection hole 5, and after the millisecond-level time delay, the signals are interrupted, and the signal transmission route of the Hall sensor 4 is disconnected); the controller can control the loom to stop and give an alarm after receiving the signal of the Hall sensor 4, and the false alarm operation is less and the alarm efficiency is higher.

Claims

1. The utility model provides a broken string detection device of little volume which characterized in that: the photoelectric sensor comprises a main body (1), wherein an integrated circuit board (2) is fixed in the main body (1), and a photoelectric sensor (3) and a Hall sensor (4) are connected to the integrated circuit board (2); a detection hole (5) is formed in the position, corresponding to the photoelectric sensor (3), of the main body (1); the main body (1) is rotatably connected with a swing rod (6), one end of the swing rod (6) is connected with a stop lever (7), and the moving path of the stop lever (7) passes through the axial extension line of the detection hole (5); the other end of the swing rod (6) is connected with an induction magnet (8), and one side of the moving path of the induction magnet (8) passes through the Hall sensor (4); the oscillating bar (6) is provided with a resetting device, the resetting device enables the stop lever (7) to have a trend close to the main body (1), and the resetting device enables the induction magnet (8) to have a trend close to the Hall sensor (4).

2. A small-sized disconnection detecting device according to claim 1, wherein: the main body (1) is connected with a wire block (9), a wire guide pipe (13) is fixed on the wire block (9) in the direction corresponding to the axial extension line of the detection hole (5), and a notch (10) is arranged in the middle of the wire guide pipe (13) at the position corresponding to the moving path of the stop lever (7); the swing rod (6) is rotatably connected to the lead block (9).

3. A small-sized disconnection detecting device according to claim 2, wherein: the notch (10) is an oblique opening.

4. A small-sized disconnection detecting device according to claim 2, wherein: and a magnet (11) is connected on the moving path of the lead block (9) corresponding to the induction magnet (8), and when the magnet (11) is adsorbed to the induction magnet (8), the induction magnet (8) is positioned on one side of the Hall sensor (4).

5. A small-volume disconnection detecting device according to claim 4, wherein: and an accommodating cavity (12) is arranged at the position, corresponding to the moving path of the induction magnet (8), on the lead block (9).

6. A small-sized disconnection detecting device according to claim 2, wherein: the main body (1) is connected with a connecting piece (14), and the connecting piece (14) is provided with a fixing buckle (15); the lead block (9) is connected to the connecting piece (14).

7. A small-sized disconnection detecting device according to claim 6, wherein: a clamping strip (16) is fixed on the connecting piece (14), and a clamping groove (17) fixed on the wire block (9) is clamped on the clamping strip (16).

8. A small-sized disconnection detecting device according to claim 6, wherein: a wire inlet hole (18) is formed in the connecting piece (14) in the direction corresponding to the axial extension line of the detection hole (5), and a circular ring (19) is fixed at the position, corresponding to the wire inlet hole (18), on the connecting piece (14).

9. A small-sized disconnection detecting device according to claim 8, wherein: and the inner surfaces of the conduit (13), the detection hole (5) and the wire inlet hole (18) are all provided with wear-resistant layers.

10. A small-volume disconnection detecting device according to any one of claims 1 to 9, wherein: the resetting device is gravity.