CN209656840U - A kind of wire insulation detector - Google Patents
A kind of wire insulation detector Download PDFInfo
- Publication number
- CN209656840U CN209656840U CN201920273406.5U CN201920273406U CN209656840U CN 209656840 U CN209656840 U CN 209656840U CN 201920273406 U CN201920273406 U CN 201920273406U CN 209656840 U CN209656840 U CN 209656840U
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- electric wire
- clamping piece
- wire
- variable resistance
- power supply
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Abstract
The utility model discloses a kind of wire insulation detectors, including power supply, brush part, clamping piece, electrical resistance monitoring device, variable resistance and electric wire traction device, the anode tap of power supply series connection variable resistance and brush part extremely, the cathode terminal series connection clamping piece of power supply, electrical resistance monitoring device includes current sensor, voltage sensor, single-chip microcontroller and resistance display, current sensor is connected with variable resistance, voltage sensor is parallel to brush part and clamping piece, current sensor, voltage sensor connects single-chip microcontroller with resistance display, brush part, successively parallel insulation is mounted on the upper layer mounting platform of support frame for electric wire traction device and clamping piece, the power supply and electrical resistance monitoring device, variable resistance is fixedly mounted on lower layer's mounting platform of support frame；The utility model have the advantages that it is easy to use, electric wire will not be damaged.
Description
Technical field
The utility model relates to electric wire detection field, in particular to a kind of wire insulation detector.
Background technique
With the rapid development of electric utility, the requirement to power supply reliability and electrical safety is further being improved,
The development of Electric Power Equipment Insulation condition detection technology is increasingly paid attention to, and new detection device and new detection technique are constantly pushing away
Out.Wire and cable is most common power equipment, while being also the highest equipment of probability for insulation fault occur, according to incomplete system
It counts, the equipment involved in accident caused by electric insulation is bad has nearly half related with wire and cable.
The type of wire insulation detector is more, and traditional mode is measured using ohmmeter, needs in measurement process
It is detected point by point with instrument probe, measurement process is relatively complicated, and detects not comprehensive；Existing wire insulation detector is more
It is Spark plug optical fiber sensor mode, namely: by the way that the cathode terminal of power supply is connected electric wire battery core, the anode tap of power supply connects metal brush head,
Metal brush head is slided in wire insulation layer surface；When electric wire insulation layer, which exists, to leak electricity, metal brush head occurs short with electric wire battery core
Road, to generate electric spark；The insulating properties of insulating layer is judged by the generation of observation electric spark.
Existing spark type wire insulation detector specifically refers to one of patented technology document and adapts to various models
Insulation tester (the notification number: CN206725691U, the day for announcing: 20171208) of electric wire；However, this kind of wire insulation detection
Shortcoming existing for instrument is: a, this kind of detection mode are judged by the spark of short circuit generation, battery core and metal when short-circuit
Brush head can generate a large amount of heat, on the one hand be easy to cause the further damage of insulating layer, on the other hand, the spark that short circuit generates
It is easy to cause electric wire battery core and metal brush head to be oxidized corrosion.
Summary of the invention
The purpose to be realized of the utility model is: design a kind of detection comprehensively, it is easy to use, and electric wire will not be made
At the wire insulation detector of damage.
In order to solve the above technical problems, the utility model is using technical solution:
A kind of wire insulation detector, it is characterised in that: including power supply 1, brush part 2, clamping piece 3, electrical resistance monitoring device
4, variable resistance 5, electric wire traction device 6 and support frame 7, the anode tap of power supply 1 are electrically connected one end of variable resistance 5,
The other end of variable resistance 5 is electrically connected brush part 2, and the cathode terminal of power supply 1 is electrically connected clamping piece 3, electrical resistance monitoring device 4
Including current sensor 41, voltage sensor 42, single-chip microcontroller 43, resistance display 44, alarm 45 and start control keyboard 46,
The current sensor 41 is connected with variable resistance 5, and the positive terminal and negative pole end of the voltage sensor 42 are connected respectively to
On brush part 2 and clamping piece 3, the output end of current sensor 41, the output end of voltage sensor 42 and starting control keyboard 46
The data-in port of single-chip microcontroller 43 is connected, the data-out port of single-chip microcontroller 43 connects resistance display 44 and alarm 45,
Support frame as described above 7 includes upper layer mounting platform 71 and lower layer's mounting platform 72, the brush part 2, electric wire traction device 6 and clamping
Part 3 is insulated in upper layer mounting platform 71, and brush part 2 is located at front side, and electric wire traction device 6 is located at middle part, and clamping piece 3
In rear side side, the power supply 1 and electrical resistance monitoring device 4, variable resistance 5 are fixedly mounted on lower layer's mounting platform 72.
It further illustrates, the brush part 2 includes detachable brush ring 21 and mounting base 22, and detachable brush ring 21 includes upper cambered surface part
211 and lower camber side part 212, upper cambered surface part 211 and lower camber side part 212 connected by side screw 213, upper cambered surface part 211 and under
The inside cambered surface of cambered surface part 212 is evenly distributed with conductive bristle 214, and the lower end of lower camber side part 212 is provided with screw rod 215, peace
The upper end of dress seat 22 is provided with screw hole 221, and the side of mounting base 22 is provided with wire connection hole 222, and wire connection hole 222 is logical
Conducting wire connection variable resistance 5 is crossed, the lower end insulation of mounting base 22 is fixedly mounted on upper layer mounting platform 71.
As further explanation, the conductive bristle 214 is bristle made of conductive rubber.
It further illustrates, the clamping piece 3 is conductive clamp.
It further illustrates, the variable resistance 5 is slide rheostat or potentiometer.
Further illustrate, the electric wire traction device 6 be pull roll assembly, the electric wire traction device 6 include upper roller 61,
Lower roll 62 and servo motor 63, upper roller 61 are located at the top of lower roll 62, and there are gap between upper roller 61 and lower roll 62, lower roll 62 is passed
Dynamic connection servo motor 63.Gap between the upper roller 61 and lower roll 62 is used for across electric wire, and upper roller 61 and lower roll 62 are common
Electric wire is compressed, when lower roll 62 rotates, frictional force is generated to electric wire, and electric wire is made to generate tension, and then drive electric wire mobile.
It further illustrates, the groove of at least two pairs different radii curvature is distributed on the roll surface of the upper roller 61 and lower roll 62
64.By the way that the groove 64 of different radii curvature is arranged, for drawing the electric wire of different-diameter size.
Working principle: wire insulation detector described in this programme wears one end of electric wire to be detected when detecting electric wire
The detachable brush ring 21 and electric wire traction device 6 of brush part 2 are crossed, and the battery core of wire end is clamped on clamping piece 3, starting electricity
Line traction device 6, when constantly being moved from detachable brush ring 21 under traction of the electric wire in electric wire traction device 6, when conducting wire to be measured
Surface when having damaged, electrical resistance monitoring device 4 can detect resistance exception, and trigger the alarm of alarm 45.Described in this programme
Wire insulation detector, due to being provided with variable resistance 5, when wire surface to be measured exists it is damaged when, the cathode terminal of power supply 1 and
It can't occur short circuit between anode tap, there is no larger for the battery core contact point of conductive bristle 214 and electric wire breakage to be measured
Electric current, so as to avoid the generation of electric spark, to achieve the effect that avoid damaging electric wire.
The utility model has the advantages that wire insulation detector described in the utility model, subtracts flow structure due to being additionally arranged, can effectively prevent
The generation of electric spark, so as to effectively avoid damaging electric wire；Simultaneously as conductive hairbrush is made of conductive rubber,
Conductive hairbrush will not generate electric wire to be measured and scrape damage, and conductive hairbrush is to be distributed using going in ring without dead angle, can comprehensively be detected
The spot failure of electric wire.In addition, this wire insulation detector is drawn using pull roll assembly and motor, it is very easy to use quick.
Being explained as follows in relation to technical term and prior art component in above content:
Potentiometer: one kind of variable resistance is usually made of resistor body and rotation or sliding system, i.e., by manual
Shaft or sliding handle are adjusted, changes position of the movable contact on resistor body, then changes between movable contact and any one fixing end
Resistance value, to change the size of voltage and electric current.
Pull roll assembly: being a kind of for fastening material generation tension, so that material be made to generate transmission under motor rotation
A kind of universal accessories.
Single-chip microcontroller: being a kind of IC chip, is using very large scale integration technology with data processing energy
The central processor CPU of power, random access memory ram, read only memory ROM, a variety of I/O mouthfuls and interruption systems, timer/counting
The functions such as device are integrated into the small and perfect microcomputer system constituted on one piece of silicon wafer, extensive in industrial control field
Using.
Current sensor: being a kind of detection device, can experience the information of tested electric current, and can will test the letter experienced
Breath is for conversion into the information output of the electric signal or other required forms that meet certain standard needs, according to certain rules to meet
The requirement such as transmission, processing, storage, display, record and control of information；Current sensor generally has anode, cathode, output end
Three pins.
Voltage sensor: being the sensor that can be experienced measured voltage and be converted into usable output signal, in various automatic inspections
It surveys, in control system, it is often necessary to tracking acquisition be made to the AC and DC voltage signal of high speed variation, for more complicated electricity
Corrugating makees spectrum analysis；The effect of voltage sensor is automatic detection voltage, to enable us to equipment or system
Voltage is controlled and is shown that common voltage sensor can substantially divide according to its different working mechanism and application range
Are as follows: several main Types such as voltage transformer, Hall voltage sensor and optical fibre voltage sensor；Voltage sensor is generally all
There are positive terminal, negative pole end and signal output end.
Conductive rubber: be by glass silvering, aluminium is silver-plated, the conductive particles such as silver-colored are evenly distributed in silicon rubber, pass through pressure
Conductive particle is contacted, good electric conductivity is reached.
Servo motor: refer to the engine for controlling mechanical organ operating in servo-system, be that a kind of subsidy motor is indirect
Speed change gear；Servo motor can make to control speed, and position precision is very accurate, can convert torque and revolving speed for voltage signal
With drive control object.Servo motor rotor revolving speed is controlled by input signal, and energy fast reaction, in automatic control system,
As executive component, and there are the characteristics such as electromechanical time constant small, the linearity is high, pickup voltage, it can be the electric signal received
The angular displacement being converted on motor reel or angular speed output.It is divided into direct current and AC servomotor two major classes, it is main special
Point is, when signal voltage is zero without rotation phenomenon, revolving speed uniform descent with the increase of torque.
Detailed description of the invention
Fig. 1 is the side structure schematic view of wire insulation detector described in embodiment one；
Fig. 2 is the circuit connection schematic diagram of electrical resistance monitoring device 4 in embodiment one；
Fig. 3 is the enlarged diagram of A-A section in Fig. 1；
Fig. 4 is the vertical cross section schematic diagram of upper roller 61 and lower roll 62 in embodiment one；
Fig. 5 is the vertical cross section schematic diagram of upper roller 61 and lower roll 62 in embodiment two；
In attached drawing:
1 it is power supply, 2 be brush part, 21 be detachable brush ring, 211 be upper cambered surface part, 212 be lower camber side part, 213 is side
Screw, 214 be conductive bristle, 215 be screw rod, 22 be mounting base, 221 be screw hole, 222 be wire connection hole, 3 be clamping piece, 4
It is current sensor for electrical resistance monitoring device, 41,42 be voltage sensor, 43 be single-chip microcontroller, 44 be resistance display, 45 is report
Alert device, 46 be starting control keyboard, 5 be variable resistance, 6 be electric wire traction device, 61 be upper roller, 62 be lower roll, 63 be to watch
Take motor, 64 be groove, 7 be support frame, 71 be upper layer mounting platform, 72 be lower layer's mounting platform.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe；Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment one: a kind of wire insulation detector, as depicted in figs. 1 and 2, including power supply 1, brush part 2, clamping piece 3,
The anode tap electric connection of electrical resistance monitoring device 4, variable resistance 5, electric wire traction device 6 and support frame 7, power supply 1 can power transformation
One end of device 5 is hindered, the other end of variable resistance 5 is electrically connected brush part 2, and the cathode terminal of power supply 1 is electrically connected clamping piece 3,
Electrical resistance monitoring device 4 includes current sensor 41, voltage sensor 42, single-chip microcontroller 43, resistance display 44, alarm 45 and opens
Dynamic control keyboard 46, the current sensor 41 are connected with variable resistance 5, the positive terminal and cathode of the voltage sensor 42
End is connected respectively on brush part 2 and clamping piece 3, the output end of current sensor 41, the output end of voltage sensor 42 and is opened
Dynamic control keyboard 46 connects the data-in port of single-chip microcontroller 43, and the data-out port of single-chip microcontroller 43 connects resistance display 44
With alarm 45, support frame as described above 7 includes upper layer mounting platform 71 and lower layer's mounting platform 72, the brush part 2, electric wire traction
Device 6 and clamping piece 3 are insulated in upper layer mounting platform 71, and brush part 2 is located at front side, during electric wire traction device 6 is located at
Portion, clamping piece 3 are located at rear side side, and it is flat that the power supply 1 and electrical resistance monitoring device 4, variable resistance 5 are fixedly mounted on lower layer's installation
Platform 72.
Specific implementation as the present embodiment illustrates, as shown in figure 3, the brush part 2 includes detachable brush ring 21 and installation
Seat 22, detachable brush ring 21 include upper cambered surface part 211 and lower camber side part 212, and upper cambered surface part 211 and lower camber side part 212 pass through side
Screw 213 connects, and the inside cambered surface of upper cambered surface part 211 and lower camber side part 212 is evenly distributed with conductive bristle 214, lower camber side part
212 lower end is provided with screw rod 215, and the upper end of mounting base 22 is provided with screw hole 221, and the side of mounting base 22, which is provided with, leads
Line connecting hole 222, wire connection hole 222 connect variable resistance 5 by conducting wire, and the lower end of mounting base 22, which is insulated, to be fixedly mounted
The mounting platform 71 on upper layer.
Specific implementation as the present embodiment illustrates that the detachable brush ring 21 and mounting base 22 are good conductor metal material system
At.
Specific implementation as the present embodiment illustrates that the conductive bristle 214 is bristle made of conductive rubber.
Specific implementation as the present embodiment illustrates that the clamping piece 3 is conductive clamp.
Specific implementation as the present embodiment illustrates that the variable resistance 5 is slide rheostat or potentiometer.
Specific implementation as the present embodiment illustrates that the electric wire traction device 6 is pull roll assembly, the electric wire traction
Device 6 includes upper roller 61, lower roll 62 and servo motor 63, and upper roller 61 is located at the top of lower roll 62, between upper roller 61 and lower roll 62
There are gap, the transmission connection servo motors 63 of lower roll 62.Gap between the upper roller 61 and lower roll 62 is used for across electric wire, on
Roller 61 and lower roll 62 compress electric wire jointly, when lower roll 62 rotates, generate frictional force to electric wire, and electric wire is made to generate tension, into
And drive electric wire mobile.
Specific implementation as the present embodiment illustrates, as shown in figure 4, being distributed on the roll surface of the upper roller 61 and lower roll 62
The groove 64 of two pairs of different radii curvature.By the way that the groove 64 of different radii curvature is arranged, for drawing different-diameter size
Electric wire.
Specific implementation as the present embodiment illustrates that the roll surface of the upper roller 61 and lower roll 62 is insulation roll surface.
Specific implementation as the present embodiment illustrates that the servo motor 63 uses DC servo motor.
Embodiment two: with embodiment one the difference is that: as shown in figure 5, on the roll surface of the upper roller 61 and lower roll 62
The groove 64 of four pairs of different radii curvature is distributed with；The roll surface of the upper roller 61 and lower roll 62 is that insulation latex material is made.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of wire insulation detector, it is characterised in that: including power supply (1), brush part (2), clamping piece (3), electrical resistance monitoring
Device (4), variable resistance (5), electric wire traction device (6) and support frame (7), the anode tap of power supply (1) are electrically connected variable
The other end of one end of resistor (5), variable resistance (5) is electrically connected brush part (2), and the cathode terminal of power supply (1) electrically connects
It connects clamping piece (3), electrical resistance monitoring device (4) includes current sensor (41), voltage sensor (42), single-chip microcontroller (43), resistance
Display (44), alarm (45) and starting control keyboard (46), the current sensor (41) and variable resistance (5) are gone here and there
Connection, the positive terminal and negative pole end of the voltage sensor (42) are connected respectively on brush part (2) and clamping piece (3), and electric current passes
The data of the output end of sensor (41), the output end of voltage sensor (42) and starting control keyboard (46) connection single-chip microcontroller (43)
Input port, data-out port connection resistance display (44) of single-chip microcontroller (43) and alarm (45), support frame as described above (7)
Including upper layer mounting platform (71) and lower layer's mounting platform (72), the brush part (2), electric wire traction device (6) and clamping piece
(3) it is insulated in upper layer mounting platform (71), brush part (2) is located at front side, and electric wire traction device (6) is located at middle part, folder
Gripping member (3) is located at rear side side, and the power supply (1) and electrical resistance monitoring device (4), variable resistance (5) are fixedly mounted on lower layer's peace
Assembling platform (72).
2. wire insulation detector according to claim 1, it is characterised in that: the brush part (2) includes detachable brush ring
(21) and mounting base (22), detachable brush ring (21) includes upper cambered surface part (211) and lower camber side part (212), upper cambered surface part (211) and
Lower camber side part (212) is connected by side screw (213), and the inside cambered surface of upper cambered surface part (211) and lower camber side part (212) is uniform
It is distributed with conductive bristle (214), the lower end of lower camber side part (212) is provided with screw rod (215), and the upper end of mounting base (22) is set
It is equipped with screw hole (221), the side of mounting base (22) is provided with wire connection hole (222), and wire connection hole (222) is connected by conducting wire
It connects variable resistance (5), the lower end insulation of mounting base (22) is fixedly mounted on upper layer mounting platform (71).
3. wire insulation detector according to claim 2, it is characterised in that: the conductive bristle (214) is conductive rubber
Bristle made of glue.
4. wire insulation detector according to claim 3, it is characterised in that: the clamping piece (3) is conductive clamp.
5. wire insulation detector according to claim 1, it is characterised in that: the variable resistance (5) is that sliding becomes
Hinder device or potentiometer.
6. wire insulation detector according to claim 1, it is characterised in that: the electric wire traction device (6) is traction
Roll assembly, the electric wire traction device (6) includes upper roller (61), lower roll (62) and servo motor (63), under upper roller (61) is located at
The top of roller (62), there are gap between upper roller (61) and lower roll (62), lower roll (62) is sequentially connected servo motor (63).
7. wire insulation detector according to claim 6, it is characterised in that: the roller of the upper roller (61) and lower roll (62)
The groove (64) of at least two pairs different radii curvature is distributed on face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920273406.5U CN209656840U (en) | 2019-03-05 | 2019-03-05 | A kind of wire insulation detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920273406.5U CN209656840U (en) | 2019-03-05 | 2019-03-05 | A kind of wire insulation detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209656840U true CN209656840U (en) | 2019-11-19 |
Family
ID=68525868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920273406.5U Expired - Fee Related CN209656840U (en) | 2019-03-05 | 2019-03-05 | A kind of wire insulation detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209656840U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111474066A (en) * | 2020-06-10 | 2020-07-31 | 新昌县云淡包装有限公司 | Comprehensive performance sampling detector for insulation packaging paper |
-
2019
- 2019-03-05 CN CN201920273406.5U patent/CN209656840U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111474066A (en) * | 2020-06-10 | 2020-07-31 | 新昌县云淡包装有限公司 | Comprehensive performance sampling detector for insulation packaging paper |
| CN111474066B (en) * | 2020-06-10 | 2020-10-30 | 新昌县云淡包装有限公司 | Comprehensive performance sampling detector for insulation packaging paper |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191119 Termination date: 20210305 |
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| CF01 | Termination of patent right due to non-payment of annual fee |