阅读说明：本技术 一种线径测量装置 (Wire diameter measuring device ) 是由 杨科 周克滨 熊幸 黄已坤 于 2021-08-25 设计创作，主要内容包括：本发明公开了一种线径测量装置,涉及线径测量技术领域。该线径测量装置包括测量杆、红外测量仪和显示屏,红外测量仪固定于测量杆的一端,红外测量仪包括相对设置的红外发射器和红外接收器,待测线缆能置于红外发射器和红外接收器之间。显示屏用于显示待测线缆遮挡的红外线数量,以计算待测线缆的直径。在测量线径时,手持测量杆,将待测线缆置于红外发射器和红外接收器之间,不同直径的待测线缆遮挡的红外线的数量不同,根据显示屏显示的待测线缆遮挡的红外线数量计算待测线缆的直径。该线径测量装置结构简单,能够快速准确测量待测线缆的直径；无需机械传动结构,故障率低；而且安全性高。(The invention discloses a wire diameter measuring device, and relates to the technical field of wire diameter measurement. The line diameter measuring device comprises a measuring rod, an infrared measuring instrument and a display screen, wherein the infrared measuring instrument is fixed at one end of the measuring rod and comprises an infrared transmitter and an infrared receiver which are oppositely arranged, and a cable to be measured can be arranged between the infrared transmitter and the infrared receiver. The display screen is used for displaying the quantity of infrared rays shielded by the cable to be detected so as to calculate the diameter of the cable to be detected. When measuring the line footpath, the handheld measuring stick will await measuring the cable and place in between infrared emitter and the infrared receiver, and the quantity of the infrared ray that the cable that awaits measuring of different diameters sheltered from is different, calculates the diameter of the cable that awaits measuring according to the infrared ray quantity that the cable that awaits measuring that the display screen shows sheltered from. The wire diameter measuring device is simple in structure and can quickly and accurately measure the diameter of a cable to be measured; a mechanical transmission structure is not needed, and the failure rate is low; and has high safety.)

1. A wire diameter measuring device, comprising:

a measuring rod;

the infrared measuring instrument (2) is fixed at one end of the measuring rod, the infrared measuring instrument (2) comprises an infrared transmitter (21) and an infrared receiver (22) which are oppositely arranged, and a cable to be measured can be arranged between the infrared transmitter (21) and the infrared receiver (22);

and the display screen (3) is used for displaying the quantity of infrared rays shielded by the cable to be tested so as to calculate the diameter of the cable to be tested.

2. The wire diameter measuring device according to claim 1, wherein the infrared transmitter (21) is provided with a plurality of transmitting tubes (211) along a height direction thereof, the infrared receiver (22) is provided with a plurality of receiving tubes (221) along a height direction thereof, and the plurality of transmitting tubes (211) and the plurality of receiving tubes (221) are arranged in one-to-one correspondence.

3. The wire diameter measuring device according to claim 2, wherein the infrared measuring instrument (2) further comprises a support base (23), the support base (23) comprises a measuring groove (231), and the measuring groove (231) is used for placing the cable to be measured; the infrared transmitter (21) and the infrared receiver (22) are respectively arranged at two opposite sides of the measuring groove (231).

4. Wire diameter measuring device according to claim 3, characterized in that the support base (23) is made of bakelite or ABS plastic.

5. The wire diameter measuring device according to claim 3, wherein the supporting base (23) further comprises a first accommodating cavity (233) and a second accommodating cavity (234), the first accommodating cavity (233) and the second accommodating cavity (234) are respectively arranged at two opposite sides of the measuring groove (231), the infrared transmitter (21) is arranged in the first accommodating cavity (233), and the infrared receiver (22) is arranged in the second accommodating cavity (234); the two opposite side walls of the measuring groove (231) are provided with a plurality of avoiding holes (232) for infrared rays emitted by the emitting tube (211) to pass through and be received by the receiving tube (221).

6. The wire diameter measuring device according to claim 5, wherein the infrared measuring instrument (2) further comprises a first cover plate (24) and a second cover plate (25), the first cover plate (24) being used for closing the first accommodating cavity (233), the second cover plate (25) being used for closing the second accommodating cavity (234).

7. The wire diameter measuring device according to any one of claims 1 to 6, wherein the infrared measuring instrument (2) and the display screen (3) are connected by wireless network communication.

8. The wire diameter measuring device according to any one of claims 1-6, wherein a charging interface is further provided on the infrared measuring instrument (2) for charging the infrared transmitter (21).

9. The line diameter measuring device according to any one of claims 1-6, wherein a control switch and an indicator light are further arranged on the infrared measuring instrument (2), and the control switch is used for controlling the infrared measuring instrument (2) to be turned on and off; the indicator light is used for indicating the current state of the infrared measuring instrument (2).

10. The wire diameter measuring device according to any one of claims 1 to 6, wherein an on-off key, a clear key and a measuring key are further arranged on the display screen (3), the on-off key is used for controlling the on-off of the display screen (3), and the clear key is used for clearing display data of the display screen (3); the measuring key is used for controlling the display screen (3) to be connected with the infrared measuring instrument (2) to collect data.

Technical Field

The invention relates to the technical field of wire diameter measurement, in particular to a wire diameter measuring device.

Background

The line diameter of the line is important for the work of operation first-aid repair, project acceptance, low-voltage analysis, line loss calculation and the like. In the existing power distribution network, the line of the operation line is checked and accepted by remote estimation basically by workers according to experience, and the actual line diameter statistics is not completely accurate.

The climbing inspection has safety risk, and the working development difficulty is high, and the efficiency is low; when the repair tasks such as wire replacement and the like are met, the wire diameter of a fault line is not clear, the wire selection matching work of repair personnel is influenced, the repair progress is delayed, and the quick recovery of the fault repair cannot be realized. If the type selection of the lead is wrong during emergency repair, great potential safety hazard is also brought to the operation of the circuit.

Disclosure of Invention

The invention aims to provide a wire diameter measuring device which can realize quick and accurate measurement of the wire diameter and has low safety risk.

In order to achieve the purpose, the invention adopts the following technical scheme:

a wire diameter measuring device, comprising:

a measuring rod;

the infrared measuring instrument is fixed at one end of the measuring rod and comprises an infrared transmitter and an infrared receiver which are oppositely arranged, and a cable to be measured can be arranged between the infrared transmitter and the infrared receiver;

and the display screen is used for displaying the quantity of infrared rays shielded by the cable to be tested so as to calculate the diameter of the cable to be tested.

As a preferable scheme of the line diameter measuring device, the infrared transmitter is provided with a plurality of transmitting tubes along the height direction thereof, the infrared receiver is provided with a plurality of receiving tubes along the height direction thereof, and the plurality of transmitting tubes and the plurality of receiving tubes are arranged in one-to-one correspondence.

As a preferred scheme of the wire diameter measuring device, the infrared measuring instrument further comprises a supporting seat, wherein the supporting seat comprises a measuring groove, and the measuring groove is used for placing the cable to be measured; the infrared transmitter and the infrared receiver are respectively arranged on two opposite sides of the measuring groove.

As a preferable embodiment of the wire diameter measuring device, the support base is made of bakelite or ABS plastic.

As a preferable scheme of the line diameter measuring device, the support seat further includes a first accommodating cavity and a second accommodating cavity, the first accommodating cavity and the second accommodating cavity are respectively disposed at two opposite sides of the measuring groove, the infrared transmitter is disposed in the first accommodating cavity, and the infrared receiver is disposed in the second accommodating cavity; and a plurality of avoiding holes are formed in two opposite side walls of the measuring groove, so that infrared rays emitted by the emitting tube can pass through and be received by the receiving tube.

As a preferable aspect of the line diameter measuring device, the infrared measuring instrument further includes a first cover plate and a second cover plate, the first cover plate is used to close the first accommodating cavity, and the second cover plate is used to close the second accommodating cavity.

As a preferable scheme of the line diameter measuring device, the infrared measuring instrument and the display screen are in communication connection through a wireless network.

As a preferred scheme of the line diameter measuring device, a charging interface is further arranged on the infrared measuring instrument and used for charging the infrared emitter.

As a preferred scheme of the line diameter measuring device, a control switch and an indicator light are further arranged on the infrared measuring instrument, and the control switch is used for controlling the infrared measuring instrument to be turned on and off; the indicator light is used for indicating the current state of the infrared measuring instrument.

As a preferred scheme of the line diameter measuring device, an on-off key, a zero clearing key and a measuring key are further arranged on the display screen, the on-off key is used for controlling the on-off of the display screen, and the zero clearing key is used for clearing display data of the display screen; the measuring key is used for controlling the display screen to be connected with the infrared measuring instrument so as to collect data.

The invention has the beneficial effects that:

according to the line diameter measuring device provided by the invention, the infrared measuring instrument is arranged at one end of the measuring rod, and the infrared measuring instrument comprises the infrared transmitter and the infrared receiver which are oppositely arranged. When measuring the line footpath, the handheld measuring stick will await measuring the cable and place in between infrared emitter and the infrared receiver, and the quantity of the infrared ray that the cable that awaits measuring of different diameters sheltered from is different, calculates the diameter of the cable that awaits measuring according to the infrared ray quantity that the cable that awaits measuring that the display screen shows sheltered from. The wire diameter measuring device is simple in structure and can quickly and accurately measure the diameter of a cable to be measured; a mechanical transmission structure is not needed, and the failure rate is low; and has high safety.

Drawings

Fig. 1 is a schematic structural diagram of a wire diameter measuring device according to an embodiment of the present invention;

fig. 2 is a first schematic structural diagram of an infrared measuring instrument according to a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of an infrared measuring instrument according to a first embodiment of the present invention;

FIG. 4 is a schematic diagram of an arrangement of oppositely disposed IR transmitters and IR receivers according to an embodiment of the present invention;

fig. 5 is a first schematic structural view of a support base according to a first embodiment of the present invention;

fig. 6 is a second schematic structural view of a support base according to a first embodiment of the invention.

In the figure:

1. a link bar; 2. an infrared measuring instrument; 3. a display screen;

21. an infrared emitter; 22. an infrared receiver; 23. a supporting seat; 24. a first cover plate; 25. a second cover plate;

211. a launch tube; 212. an infrared emission plate; 221. a receiving tube; 222. an infrared receiving plate; 231. measuring the groove; 232. avoiding holes; 233. a first accommodating chamber; 234. a second accommodating chamber; 235. and (7) installing holes.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

When the repair or engineering inspection is performed on the operation line, a worker usually needs to measure the wire diameter of a cable located at a high position. In order to realize the rapid and accurate measurement of the wire diameter of the cable and avoid the threat of climbing measurement to the personal safety of workers, the invention develops a wire diameter measuring device.

The first embodiment is as follows:

as shown in fig. 1 to 4, the line diameter measuring device provided in this embodiment includes a measuring rod, an infrared measuring instrument 2 and a display screen 3, the infrared measuring instrument 2 is fixed at one end of the measuring rod, the infrared measuring instrument 2 includes an infrared emitter 21 and an infrared receiver 22 which are oppositely disposed, and a cable to be measured can be placed between the infrared emitter 21 and the infrared receiver 22. The display screen 3 is used for displaying the quantity of infrared rays shielded by the cable to be detected so as to calculate the diameter of the cable to be detected.

In the line diameter measuring device provided by this embodiment, the infrared measuring instrument 2 is arranged at one end of the measuring rod, and the infrared measuring instrument 2 includes the infrared transmitter 21 and the infrared receiver 22 which are oppositely arranged. When measuring the line footpath of the cable that awaits measuring, handheld measuring stick will await measuring the cable and arrange in between infrared emitter 21 and infrared receiver 22, and the infrared quantity that the cable that awaits measuring of different diameters sheltered from is different, calculates the diameter of the cable that awaits measuring according to the infrared quantity that the cable that awaits measuring that display screen 3 shows sheltered from. The wire diameter measuring device is simple in structure and can quickly and accurately measure the diameter of a cable to be measured; a mechanical transmission structure is not needed, and the failure rate is low; and has high safety.

As a preferred embodiment of the wire diameter measuring device, the measuring rod is a insulating rod 1. The link rod 1 is also called a brake pull rod, an insulating rod or an insulating pull rod, and comprises a working head, an insulating rod and a handle. In this embodiment, the insulation rod 1 is a retractable insulation rod to adapt to cables to be tested with different heights. The infrared measuring instrument is fixed on the working head of the insulating rod 1, the display screen 3 is arranged at the handle end, and the insulating rod is a telescopic rod.

As shown in fig. 2-4, as a preferred embodiment of the wire diameter measuring device, the infrared measuring instrument 2 further includes a supporting seat 23, where the supporting seat 23 includes a measuring groove 231, and the measuring groove 231 is used for placing a cable to be measured; the infrared transmitter 21 and the infrared receiver 22 are respectively disposed at opposite sides of the measuring recess 231. In this embodiment, the width and depth of the measuring groove 231 are both greater than the maximum diameter of the cable to be measured, so that cables with different diameters can be placed in the measuring groove 231. During measurement, the cable to be measured needs to be parallel to the bottom surface of the measurement groove 231 to ensure the accuracy of measurement.

In order to facilitate the cable to be measured to be placed in the measuring groove 231, a chamfer is provided at one end of the measuring groove 231, which is far away from the bottom.

In this embodiment, the bottom of supporting seat 23 is provided with two first screw holes, and the work head of order gram stick 1 is provided with mounting plane, is provided with two first through-holes on the mounting plane, and fastening bolt passes first through-hole and first screw hole spiro union, can be fixed in the work head of order gram stick 1 with supporting seat 23 through two fastening bolt.

As a preferable embodiment of the line diameter measuring device, the infrared transmitter 21 is provided with a plurality of transmitting tubes 211 along the height direction thereof, the infrared receiver 22 is provided with a plurality of receiving tubes 221 along the height direction thereof, and the plurality of transmitting tubes 211 and the plurality of receiving tubes 221 are arranged in one-to-one correspondence. In the present embodiment, the infrared emitter 21 further includes an infrared emitting plate 212, and a plurality of emitting tubes 211 are arranged in a matrix form on the infrared emitting plate 212. The infrared receiver 22 further includes an infrared receiving board 222, and a plurality of receiving tubes 221 are arranged in a matrix form on the infrared receiving board 222. The emitter tubes 211 are provided in eight rows, four in each row, in the depth direction of the side wall of the measuring groove 231. The receiving tubes 221 are also provided with eight rows, four in each row, in the depth direction of the side wall of the measuring groove 231. Of course, in other embodiments, only one transmitting tube 211 and one receiving tube 221 may be provided per row. Four receiving tubes 221 and four transmitting tubes 211 are oppositely arranged in each row, so that large measurement errors caused by faults of one receiving tube 221 or one transmitting tube 211 can be avoided, and the measurement accuracy is improved.

When measuring the diameter of the cable to be measured, the number and position of the infrared rays emitted from the infrared emitter 21 and the number and position of the infrared rays received by the infrared receiver 22 are displayed on the display screen 3. And calculating the diameter of the cable to be measured according to the shielding rows of the infrared rays.

In this embodiment, knowing the diameters of the infrared emitting tubes 211 and the infrared receiving tubes 221 and the distance between two adjacent rows of infrared emitting tubes 211 (or between two adjacent rows of infrared receiving tubes 221), the diameter of the cable to be measured can be calculated according to the number of shielding rows of infrared rays. In this embodiment, the measurement accuracy of the cable to be measured is 1mm to 2 mm. The distance between two adjacent rows of infrared transmitting tubes 211 (or between two adjacent rows of infrared receiving tubes 221) determines the measurement accuracy of the cable to be measured. The smaller the distance between two adjacent rows of infrared transmitting tubes 211 (or between two adjacent rows of infrared receiving tubes 221), the higher the measurement accuracy of the cable to be measured.

Because the line operation is all in the open air, and most are in comparatively abominable environment, the maintenance personal need walk with the instrument, in order to alleviate maintenance personal's intensity of labour, sets up line footpath measuring device as portable light-duty.

In the present embodiment, the support base 23 is made of bakelite in order to reduce the weight of the support base 23. Bakelite is made of plastic and has high mechanical strength and good insulating property. Of course, in other embodiments, the supporting seat 23 may be made of other materials such as ABS plastic. The ABS plastic is a terpolymer of three monomers of acrylonitrile (A), butadiene (B) and styrene (S), and the relative contents of the three monomers can be changed at will to prepare various resins. ABS plastics have the common properties of three components, A makes it resistant to chemical corrosion and heat and has a certain surface hardness, B makes it have high elasticity and toughness, and S makes it have the processing and forming characteristics of thermoplastic plastics and improves the electrical properties.

As shown in fig. 5 and 6, as a preferred embodiment of the line diameter measuring device, the support base 23 further includes a first accommodating cavity 233 and a second accommodating cavity 234, the first accommodating cavity 233 and the second accommodating cavity 234 are respectively disposed at two opposite sides of the measuring groove 231, the infrared emitter 21 is disposed in the first accommodating cavity 233, and the infrared receiver 22 is disposed in the second accommodating cavity 234; a plurality of avoiding holes 232 are disposed on two opposite sidewalls of the measuring groove 231 for infrared rays emitted from the emitting tube 211 to pass through and be received by the receiving tube 221. In the present embodiment, the ends of the first accommodation chamber 233 and the second accommodation chamber 234 away from the measurement groove 231 are each provided as an opening. The infrared emitter 21 places the infrared emission plate 212 in the first accommodation cavity 233 from the opening of the first accommodation cavity 233, and the infrared emission tube 211 passes through the avoidance hole 232 to communicate with the measurement groove 231; the infrared receiver 22 places the infrared receiving plate 222 in the second accommodating cavity 234 from the opening of the second accommodating cavity 234, the infrared receiving tubes 221 pass through the avoiding holes 232 to communicate with the measuring grooves 231, and the transmitting tubes 211 and the receiving tubes 221 are in one-to-one correspondence.

As a preferable embodiment of the wire diameter measuring device, the infrared measuring instrument 2 further includes a first cover plate 24 and a second cover plate 25, the first cover plate 24 is used for closing the first accommodating cavity 233, and the second cover plate 25 is used for closing the second accommodating cavity 234. First apron 24 is used for protecting infrared transmitter 21 and keeps apart with the external world, and second apron 25 is used for protecting infrared receiver 22 and keeps apart with the external world, avoids meeting water electrically conductive, takes place the incident. Four second through holes are formed in the first cover plate 24 and the second cover plate 25, eight second threaded holes are correspondingly formed in the supporting seat 23, and the fastening bolts penetrate through the second through holes and are in threaded connection with the second threaded holes. The first cover plate 24 is fixed to the support base 23 by four fastening bolts; similarly, the second cover plate 25 is fixed to the support base 23 by four fastening bolts.

In the present embodiment, the first cover plate 24 and the second cover plate 25 are made of an insulating material to prevent electric conduction.

As a preferred scheme of the line diameter measuring device, the infrared measuring instrument 2 is further provided with a charging interface, a control switch and an indicator light, and the charging interface is used for charging the infrared emitter 21; the control switch is used for controlling the opening and closing of the infrared measuring instrument 2; the indicator light is used to indicate the current control state. Be provided with three mounting hole 235 on supporting seat 23, three mounting hole 235 all holds chamber 234 intercommunication with the second, and interface, control switch and the pilot lamp that charges install respectively in three mounting hole 235, and all are connected with infrared emitter 21 and infrared receiver 22 electricity.

As a preferable embodiment of the line diameter measuring device, the infrared measuring instrument 2 and the display screen 3 are in communication connection through a wireless network. In this embodiment, all be provided with wireless transceiver module in infrared measuring apparatu 2 and the display screen 3, wireless transceiver module passes through the bluetooth and connects to make infrared measuring apparatu 2 can pass through bluetooth transmission to the display screen 3 of holding handle end with the quantity of the infrared ray that the cable that awaits measuring sheltered from. The display screen 3 further comprises a control module, a setting program for calculating the diameter of the cable to be tested according to the quantity of infrared rays shielded by the cable to be tested is stored in the control module, and the diameter of the cable to be tested can be directly displayed on the display screen 3. Of course, in other embodiments, the display screen 3 may also directly display the number of infrared rays blocked by the cable to be tested, and the maintenance personnel calculates the diameter of the cable to be tested through a calculation formula for calculating the diameter of the cable to be tested.

As a preferred scheme of the line diameter measuring device, the display screen 3 is further provided with an on-off key, a zero clearing key and a measuring key, wherein the on-off key is used for controlling the on-off of the display screen 3, and the zero clearing key is used for clearing display data of the display screen 3; the measuring key is used for controlling the display screen 3 to be connected with the infrared measuring instrument 2 so as to collect data. The on-off key, the zero clearing key and the measuring key are control modules of the display screen 3, the measuring key is electrically connected with a wireless transceiver module in the display screen 3 and used for controlling the display screen 3 to be connected with the Bluetooth of the infrared measuring instrument 2, and after the display screen 3 receives the data of the infrared measuring instrument 2, the diameter of the cable to be measured is calculated through a set program for calculating the diameter of the cable to be measured, and then the diameter is displayed through the display screen 3.

The measuring method of the wire diameter measuring device provided by the invention comprises the following steps: before measurement, a control switch of the infrared measuring instrument 2 is turned on, and an on-off key of the display screen 3 is pressed. The insulating rod 1 is held by hand, a cable to be measured is placed in the measuring groove 231 on the infrared measuring instrument 2, the measuring key of the display screen 3 is pressed, and the diameter of the cable to be measured can be displayed on the display screen 3. After the measurement is finished, the zero clearing key of the display screen 3 is pressed, and then the data on the display screen 3 can be cleared to wait for the next measurement.

Example two:

the difference between this embodiment and the first embodiment is: the display screen 3 is set as a display screen of the terminal device, and exemplarily, the software in the mobile phone is connected with the infrared measuring instrument through bluetooth, so that the measuring result of the infrared measuring instrument can be directly displayed on the mobile phone.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.