CN220084051U - Device for realizing one-way or multi-way signals of pull rope sensor - Google Patents
Device for realizing one-way or multi-way signals of pull rope sensor Download PDFInfo
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- CN220084051U CN220084051U CN202320485620.3U CN202320485620U CN220084051U CN 220084051 U CN220084051 U CN 220084051U CN 202320485620 U CN202320485620 U CN 202320485620U CN 220084051 U CN220084051 U CN 220084051U
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- wire rope
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 62
- 239000010959 steel Substances 0.000 claims abstract description 62
- 238000002788 crimping Methods 0.000 claims abstract description 15
- 238000004804 winding Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000005253 cladding Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model discloses a device for realizing one or more signals of a pull rope sensor, which relates to the technical field of sensors and comprises a first plug connector, a crimping terminal, a pull ring, a first cold-pressing terminal, a conductive slip ring, a reel and a circuit board, wherein the reel is provided with a steel wire rope, the steel wire rope consists of a single steel wire coated with an insulating cover or is formed by mutually insulating and winding at least two steel wires and then coated with the insulating cover so as to correspondingly realize the transmission of one or more signals, one end of the steel wire rope extends out of the reel and is connected with the circuit board through the conductive slip ring, the other end of the steel wire rope extends out of the pull rope sensor and passes through the crimping terminal to bypass the pull ring, and passes through the crimping terminal again and is electrically connected with the first plug connector through the first cold-pressing terminal. Through the setting of first connector, crimping terminal, pull ring, first terminal, conductive slip ring and second terminal of colding pressing for wire rope can switch on one way or multichannel signal of telecommunication, can satisfy the needs of partial engineering practice.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to a device for realizing one-way or multi-way signals of a pull rope sensor.
Background
The existing pull rope sensor has the defects that a steel wire rope is usually formed by the steel wire rope and can only be used for a single length measurement function; in the existing other stay cord sensor, the steel wire rope is composed of a cable containing a plurality of wires, so that the length measurement function can be realized, and meanwhile, the transmission of a plurality of electrical signals can be realized.
However, for a pull rope sensor using a wire rope, the most obvious disadvantage is single function; for a pull-cord sensor using a cable, although the functionality is somewhat enriched, there are also the following significant drawbacks:
firstly, the diameter of the cable is increased more than that of the steel wire rope, the winding radius of the cable on a winding wheel is larger when the same length is measured, and finally, the product size of the cable type stay cord sensor is greatly increased compared with the product size of the cable type stay cord sensor by adopting the steel wire rope, and the cable type stay cord sensor is difficult to miniaturize;
secondly, when the cable is wound on the reel, the winding is more uneven compared with a wire rope type stay cord sensor because of the increase of the diameter of the cable and the interaction of insulating covers on the surface of the cable, so that the accuracy of length measurement is obviously reduced;
thirdly, the tensile and ageing resistance of the cable is obviously inferior to that of a steel wire rope, and the service life and the reliability are obviously reduced compared with those of the steel wire rope.
Therefore, a device of a pull rope sensor which can provide electric signal transmission capability while taking advantages of good tensile property, good winding consistency, long service life, high length measurement precision and the like of a steel wire rope into consideration is needed at present.
Disclosure of Invention
The utility model aims to provide a device for realizing one or more signals of a pull rope sensor, which is used for solving the technical problems.
The technical scheme adopted by the utility model is as follows:
the utility model provides a device for realizing stay cord sensor one way or multichannel signal, this device includes first plug connector, crimping terminal, pull ring, first terminal, the conductive slip ring of colding pressing and setting up reel and the circuit board inside the stay cord sensor, be equipped with wire rope on the reel, wire rope comprises the single steel wire of cladding insulating skin or by cladding insulating skin shaping after the mutual insulating winding of at least two steel wires to correspond the transmission of realizing one way or multichannel signal, wire rope's one end stretches out from the inside of reel and passes the conductive slip ring with the circuit board is connected, wire rope's the other end stretches out the stay cord sensor and passes behind the crimping terminal and bypass the pull ring, again pass the crimping terminal is connected with corresponding first terminal electricity of colding pressing, first terminal with first plug connector electricity is connected.
Preferably, the shaft of the reel is hollow and cylindrical, and a circular through hole communicated with the internal cavity of the shaft is formed at a fixed point of the outer surface of the shaft wall of the shaft, which is close to one end of the steel wire rope.
As a further preferable mode, after one end of the steel wire rope is fixed to the fixed point, the extending section of the steel wire rope penetrates into the inner cavity of the shaft through the circular through hole and then extends out to be connected with the conductive slip ring.
Preferably, an extension of one end of the wire rope removes an outer insulating sheath after extending out of the inner cavity of the shaft and is electrically connected to the conductive slip ring through the second cold-pressed terminal.
As a further preferable mode, a first wire is movably arranged at one end of the conductive slip ring, a second wire is fixedly arranged at the other end of the conductive slip ring, the first wire is electrically connected with the extension section through the second cold-pressing terminal, and the second wire is electrically connected with the circuit board.
Preferably, the portable electronic device further comprises a single-channel electric signal output and input device and a second plug connector, wherein one end of the single-channel electric signal output and input device is connected with the second plug connector, and the second plug connector is detachably connected with the first plug connector.
As a further preferred aspect, the circuit board and the one-way electrical signal input-output device are electrically connected to the same common ground.
As a further preferred aspect, the single-channel electric signal input/output device includes an analog current input/output device, an analog voltage input/output device, and a single bus digital signal input/output device.
Preferably, the number of steel wires in the steel wire rope, the number of the first cold-pressed terminals, and the number of the second cold-pressed terminals are the same.
The technical scheme has the following advantages or beneficial effects:
(1) According to the utility model, through the arrangement of the first plug connector, the crimping terminal, the pull ring, the first cold pressing terminal, the conductive slip ring and the second cold pressing terminal, the steel wire rope can conduct one or more paths of electric signals, and the requirement of wired stable transmission of the electric signals in partial engineering practice can be met;
(2) In the utility model, the transmission capability of one or more electric signals is provided, and meanwhile, the advantages of good tensile property, compact winding, high precision and the like which are special by adopting the steel wire rope are reserved, so that the diameter of the steel wire rope is not greatly increased, the winding uniformity and the strength of a pull rope are ensured, multiple purposes are realized, and the practicability is high.
Drawings
FIG. 1 is a schematic view of the wire rope of the present utility model mated with a first plug, crimp terminal, tab and first cold pressed terminal;
FIG. 2 is a schematic diagram of the reel of the present utility model mated with a circuit board;
FIG. 3 is a schematic diagram of an apparatus for implementing one or more signals from a pull-cord sensor in accordance with the present utility model.
In the figure: 1. a pull rope sensor; 2. a reel; 3. a wire rope; 4. a circuit board; 5. a first plug member; 6. crimping the terminal; 7. a pull ring; 8. a first cold-pressed terminal; 9. a conductive slip ring; 10. a shaft; 11. a round hole; 12. a second cold-pressed terminal; 13. a first wire; 14. a second wire; 15. a third wire; 16. a single-channel electric signal output and input device; 17. a second plug member; 18. a public land; 19. an optical coupler.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
In the description of the present utility model, it should be noted that unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
FIG. 1 is a schematic view of the wire rope of the present utility model mated with a first plug, crimp terminal, tab and first cold pressed terminal; FIG. 2 is a schematic diagram of the reel of the present utility model mated with a circuit board; fig. 3 is a schematic structural view of an apparatus for implementing one or more signals of a pull rope sensor according to the present utility model, and referring to fig. 1 to 3, a preferred embodiment of the apparatus for implementing one or more signals of a pull rope sensor is shown, which includes a first socket 5, a crimp terminal 6, a pull ring 7, a first cold-pressed terminal 8, a conductive slip ring 9, and a reel 2 and a circuit board 4 disposed inside the pull rope sensor 1, wherein the reel 2 is provided with a wire rope 3, the wire rope 3 is formed of a single wire coated with an insulating sheet or is formed of at least two wires which are wound with insulation after being insulated from each other, so as to correspondingly implement one or more signal transmission, one end of the wire rope 3 extends out from the inside of the reel 2 and is connected to the circuit board 4 through the conductive slip ring 9, the other end of the wire rope 3 extends out of the pull rope sensor 1 and bypasses the pull ring 7 after passing through the crimp terminal 6, and is electrically connected to the corresponding first cold-pressed terminal 8 through the crimp terminal 6 again, and the first terminal 8 is electrically connected to the first socket 5. In this embodiment, the circuit board 4 of the reel 2 and the conductive slip ring 9 are provided inside the pull-cord sensor 1. The other end of the wire rope 3 passes through the crimp terminal 6 and is wound on the pull ring 7 to approach a circle, the crimp terminal 6 is pressed into two through holes for the wire rope 3 to pass through, and the crimp terminal 6 is a common crimp member for tightly fixing the wire rope 3 and the pull ring 7, as shown in fig. 1.
In the stay cord sensor 1, when wire rope 3 comprises a single steel wire, the surface cladding one deck insulating protection layer at the steel wire, and when wire rope 3 comprises a plurality of steel wires, the surface and the back cladding one deck insulating protection layer of winding of every steel wire are all used for protecting the wire body, improve the wear resistance and corrosion resistance of wire rope 3.
In the conventional pull-cord sensor 1, one end of the wire rope 3 is cut off directly after passing through the crimp terminal 6, and no other parts are required to be connected, but the wire rope 3 in the utility model passes through the crimp terminal 6, then bypasses the pull ring 7, and then passes through the crimp terminal 6. After passing through the crimping terminal 6 again, the insulation protection layer at the head part of the other end of the steel wire rope 3 needs to be stripped, and the conductive steel wire rope body is exposed and used for being electrically connected with the first cold-pressed terminal 8, wherein the steel wire rope 3 and the cold-pressed terminal are connected in a winding crimping mode. The first plug connector 5 can be a core plug connector or a multi-core plug connector, and specifically, the core number of the plug connector can be selected according to the number of steel wires in the steel wire rope 3. The first plug connector 5 is connected with the cold-pressed terminal through a third wire 15, so that the terminal of the first plug connector 5 is electrically connected with the steel wire rope 3, and one or more electric signals can be transmitted.
Further, as a preferred embodiment, the shaft 10 of the reel 2 has a hollow cylindrical shape, and a circular through hole communicating with the internal cavity of the shaft 10 is formed at a fixed point of the outer surface of the shaft 10 wall of the shaft 10 near one end of the wire rope 3.
Further, as a preferred embodiment, one end of the wire rope 3 is connected to the conductive slip ring 9 after being fixed to the fixed point on the shaft, and the extension thereof is penetrated into the internal cavity of the shaft 10 through the circular through hole and then is extended. The wire rope 3 is fixed at a fixed point near the round hole 11, and the wire rope 3 and the fixed point can be fixed in a glue or crimping mode, so long as normal winding of the wire rope 3 can be realized. The inside of the shaft 10 of the reel 2 is hollow, one end of the wire rope 3 passes through the round hole 11 and then enters the inside of the shaft 10, then passes through one side of the shaft 10 and extends to the outside of the shaft 10, and the part of the wire rope 3 extending to the outside of the shaft 10 needs to be removed with an insulating protection layer on the surface for realizing electrical connection with the conductive slip ring 9.
Further, as a preferred embodiment, the extension of one end of the wire rope 3 is stripped of the outer insulation after it has been extended out of the inner cavity of the shaft 10 and is electrically connected to the conductive slip ring 9 via the second cold pressed terminal 12. Referring to fig. 2, the number of the second cold pressing terminals 12 is the same as the number of the steel wires in the steel wire rope 3, and the number of the first cold pressing terminals 8 is also the same as the number of the steel wires in the steel wire rope 3, and when the number of the steel wires is one, one-path signal transmission can be realized, and when the number of the steel wires is multiple, multiple-path signal transmission can be realized.
When a plurality of steel wires are adopted, the plurality of steel wires are wound together to form the steel wire rope 3 to be used as a pull rope of the pull rope sensor 1, the number of the first cold pressing terminals 8 and the number of the second cold pressing terminals 12 are the same as the number of the steel wires at the moment and are used for being connected with the corresponding steel wires, and the conductive slip ring 9 is replaced by a multi-path conductive slip ring from a single-path conductive slip ring. When a plurality of steel wires are adopted, the more the number of the steel wires is increased, the more the signals can be transmitted simultaneously, but the side effects of thickened diameter, increased volume, reduced length measurement precision and the like of the pull rope can be brought, and the actual verification proves that compared with the existing cable scheme products with the same number of the signals, the scheme of the utility model has the advantages of better tensile property of the steel wire rope 3, longer service life, smaller sectional area of the pull rope and smaller total volume.
Further, as a preferred embodiment, a first wire 13 is movably disposed at one end of the conductive slip ring 9, a second wire 14 is fixedly disposed at the other end, the first wire 13 is electrically connected to the extension section through a second cold-pressed terminal 12, and the second wire 14 is electrically connected to the circuit board 4. The first conducting wire 13 can freely rotate around the axial direction of the conductive slip ring 9, the second conducting wire 14 is fixedly connected with the shell of the conductive slip ring 9 and cannot freely rotate, and the purpose of the conductive slip ring 9 is to always maintain the electric connection between the first conducting wire 13 and the second conducting wire 14. The conductive slip ring 9 is connected with one end of the steel wire rope 3 through the second cold pressing terminal 12, stable electric connection between the conductive slip ring 9 and the steel wire rope 3 is achieved, and signals of the steel wire rope 3 at the moment can be transmitted to the circuit board 4 through the second cold pressing terminal 12 and the conductive slip ring 9 for signal processing. The circuit board 4 is a signal processing circuit board 4, usually a PCB board, and functions to convert an electrical signal transmitted through the wire rope 3 into an electrical signal suitable for processing by a processor. Taking fig. 2 as an example for illustration, the optical coupler 19 is used for converting the electric signal with a stronger amplitude on the wire rope 3 into a weak electric signal which can be directly processed by the processor and providing necessary isolation protection. In another embodiment, if the wire rope 3 is provided with a 4-20 mA current signal, the optocoupler 19 on the circuit board 4 is replaced by an I-V (current-to-voltage) circuit.
Further, as a preferred embodiment, the portable electronic device further comprises a single-channel electric signal output and input device 16 and a second plug connector 17, wherein one end of the single-channel electric signal output and input device 16 is connected with the second plug connector 17, and the second plug connector 17 is detachably connected with the first plug connector 5. The single-channel electric signal input/output device 16 in this embodiment uses a limit switch as an example for connection of an electric circuit, and specifically, as shown in fig. 3, one end of the limit switch is connected to the second connector 17, and is electrically connected to the first connector 5 through the second connector 17, and the other end of the limit switch is connected to the common ground 18.
The electrical signal of the limit switch which is opened or closed passes through the second plug connector 17 and the first plug connector 5 and then passes through the steel wire rope 3 of the pull rope sensor 1, and finally is transmitted to the circuit board 4 inside the pull rope sensor 1 for recognition and processing. In various application environments, other single-channel electrical signal input/output devices 16 may be used for the single-channel electrical signal input/output device 16, such as 4-20 mA analog current input/output device, analog voltage input/output device, and single-bus digital signal input/output device (e.g., PWM, PFM, 1-wire bus, etc.).
Further, as a preferred embodiment, the circuit board 4 and the single-pass electrical signal input-output device 16 are electrically connected to the same common ground 18. The ground network of the circuit board 4 and the single-circuit electric signal input/output device 16 in this embodiment are connected to the same common ground 18 to form a complete circuit, wherein, taking a crane as an example, the common ground 18 refers to a metal boom of the crane, and in actual installation, it is required to ensure that the grounding of the common ground 18 has no insulation such as paint or plastic washers, and good contact is achieved.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (9)
1. The device for realizing one or more signals of the pull rope sensor is characterized by comprising a first plug connector, a crimping terminal, a pull ring, a first cold pressing terminal, a conductive slip ring, a reel and a circuit board, wherein the reel and the circuit board are arranged in the pull rope sensor, the reel is provided with a steel wire rope, the steel wire rope is formed by a single steel wire coated with an insulating cover or is formed by mutually insulating and winding at least two steel wires and then coated with the insulating cover, one end of the steel wire rope extends out of the reel and is connected with the circuit board through the conductive slip ring, the other end of the steel wire rope extends out of the pull rope sensor and passes through the crimping terminal and then bypasses the pull ring, the steel wire rope passes through the crimping terminal again and is electrically connected with the corresponding first cold pressing terminal, and the first cold pressing terminal is electrically connected with the first plug connector.
2. The device for realizing one or more signals of a pull rope sensor according to claim 1, wherein the shaft of the reel is hollow and cylindrical, and a circular through hole communicated with the internal cavity of the shaft is formed at a fixed point of the outer surface of the shaft wall of the shaft near one end of the steel wire rope.
3. The device for realizing one or more signals of a pull rope sensor according to claim 2, wherein one end of the steel wire rope is fixed at the fixed point, and the extension section of the steel wire rope penetrates into the inner cavity of the shaft through the circular through hole and then extends out to be connected with the conductive slip ring.
4. The apparatus for implementing one or more signals of a pull-cord sensor of claim 2, wherein an extension of one end of the wire rope removes an outer insulating sheath after extending out of the interior cavity of the shaft and is electrically connected to the conductive slip ring through a second cold-pressed terminal.
5. The device for realizing one or more signals of a pull rope sensor according to claim 4, wherein a first wire is movably arranged at one end of the conductive slip ring, a second wire is fixedly arranged at the other end of the conductive slip ring, the first wire is electrically connected with the extension section through the second cold-pressing terminal, and the second wire is electrically connected with the circuit board.
6. The apparatus for implementing one or more signals of a pull-cord sensor of claim 1, further comprising a single-cord electrical signal output input device and a second connector, wherein one end of the single-cord electrical signal output input device is connected to the second connector, and wherein the second connector is detachably connected to the first connector.
7. The apparatus for implementing one or more signals of a pull-cord sensor of claim 6, wherein the circuit board and the single-circuit electrical signal input-output device are electrically connected to the same common ground.
8. The apparatus for implementing one or more signals of a pull-cord sensor of claim 6, wherein the single-channel electrical signal input-output device comprises an analog current input-output device, an analog voltage input-output device, and a single bus digital signal input-output device.
9. The apparatus for implementing one or more signals of a pull-cord sensor of claim 4, wherein the number of wires in the wire rope, the number of first cold-pressed terminals, and the number of second cold-pressed terminals are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320485620.3U CN220084051U (en) | 2023-03-14 | 2023-03-14 | Device for realizing one-way or multi-way signals of pull rope sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320485620.3U CN220084051U (en) | 2023-03-14 | 2023-03-14 | Device for realizing one-way or multi-way signals of pull rope sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220084051U true CN220084051U (en) | 2023-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320485620.3U Active CN220084051U (en) | 2023-03-14 | 2023-03-14 | Device for realizing one-way or multi-way signals of pull rope sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220084051U (en) |
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2023
- 2023-03-14 CN CN202320485620.3U patent/CN220084051U/en active Active
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Address after: 201108 block 20, room 2017, building B, No. 4299, Jindu Road, Minhang District, Shanghai Patentee after: Zhichuan Technology (Shanghai) Co.,Ltd. Address before: 201108 block 20, room 2017, building B, No. 4299, Jindu Road, Minhang District, Shanghai Patentee before: SHANGHAI ZHICHUAN ELECTRONIC TECHNOLOGY CO.,LTD. |