CN216144936U - Cable core checking device - Google Patents
Cable core checking device Download PDFInfo
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- CN216144936U CN216144936U CN202122066827.0U CN202122066827U CN216144936U CN 216144936 U CN216144936 U CN 216144936U CN 202122066827 U CN202122066827 U CN 202122066827U CN 216144936 U CN216144936 U CN 216144936U
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Abstract
The utility model discloses a cable core calibration device which comprises a signal generating device and a signal detecting device, wherein the signal generating device comprises a power supply I, a power supply switch I, a direct-current boosting power supply module I, a power supply indicator lamp, a current-limiting resistor, a resistor series voltage-dividing circuit, a quick wiring terminal I and a banana jack group I, and the signal detecting device comprises a power supply II, a power supply switch II, a direct-current boosting power supply module II, a bidirectional direct-current voltage gauge head, a waveband switch, a quick wiring terminal II and a banana jack group II. The utility model can be operated by one person to calibrate the cores of the multi-core cable, has simple and easy operation, can eliminate the influence of external interference factors and has high line calibration speed.
Description
Technical Field
The utility model relates to the related field of power transformation and distribution engineering, in particular to a cable core calibration device.
Background
When the installation and wiring of the power transformation and distribution project are debugged, the core calibration of the multi-core cable is a more complicated work. The traditional line checking work generally needs two or more persons to cooperate, the universal meter is adopted to check the core lines of the first cable one by one, generally, a public core line is found out firstly, then other core lines are compared and measured with the public core line, in the checking process, line checking personnel at the head end and the tail end of the cable need to communicate with the other party in one step, errors are easy to occur in the telephone or talkback communication process, the line checking efficiency is low, even the situation of wrong wiring caused by wrong line checking is possible, and potential safety hazards are buried for the later equipment operation.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above-mentioned disadvantages, the present invention provides a simple, easy-to-use and fast calibrating device for cores of a multicore cable.
The utility model is realized in this way, construct a cable core verifying device, the apparatus includes the signal generating device and signal detection device, the said signal generating device is by the power I, first mains switch, DC boost power module I, power indicator, current-limiting resistance, resistance series bleeder circuit, fast connecting terminal I and banana socket group I make up, said power I, first mains switch connect DC boost power module I, said power indicator, current-limiting resistance connect DC boost power module I separately, said power indicator is made up of LED luminescent diode and step-down resistance, the said resistance series bleeder circuit adopts 12 1/2W 100 omega metal film five-ring precision resistors to connect in series, one end connects the current-limiting resistance, another end connects DC boost power module a voltage output negative pole, the partial voltage that each bleeder resistance divides is 1V, so as to measure the reading, quick binding post one is 13 quick binding post, connects gradually each divider resistor of resistance series voltage divider circuit from 1# terminal to 13# terminal for from 2# terminal, the voltage difference of relative 1# terminal is according to 1V step size increase progressively, banana socket group one is 13 banana sockets to correspond with quick binding post one's 13 terminals respectively and be connected.
Preferably, signal detection device is by power two, switch two, DC step up power module two, two-way direct current voltage gauge outfit, band switch, two and banana socket group two and constitutes, power two, switch two connect DC step up power module two, DC step up power module two connects in two-way direct current voltage gauge outfit, band switch is the band switch of 1 sword 12 shelves, and two-way direct current voltage gauge outfit measurement voltage input positive pole is connected to its common terminal, two-way 13 quick connecting terminal of quick connecting terminal, and 1# terminal links to each other with the measurement voltage input negative pole of two-way direct current voltage gauge outfit, and 2# 13# terminal is connected with band switch's 1~12 gear in proper order.
Preferably, the signal generating device comprises two cable wiring modes, wherein one mode is that a cable core wire to be corrected, which is stripped off a small section of insulating layer, is directly connected to a first quick wiring terminal; and the other is that when the cross section of the cable core is larger, the cable core is connected with the cable core to be calibrated through a first banana jack group by a test wire with a lotus plug at one end and an alligator clip at the other end.
Preferably, the signal detection device provides two cable connection modes, one is to directly connect the cable core wire to be corrected, which is stripped of a small section of insulating layer, to the second quick connection terminal; and the other is that when the cross section of the cable core is larger, the cable core is connected with the cable core to be calibrated through a test wire with one end being a lotus plug and the other end being an alligator clip through a banana socket group II.
Preferably, the first power supply and the second power supply both adopt detachable 18650 lithium batteries with rated voltage of 3.7V and are charged by external chargers.
Preferably, the first direct current boosting power supply module and the second direct current boosting power supply module both adopt finished direct current boosting modules with adjustable input voltage of 3V-32V and output voltage of 5V-35V, and the output voltage is adjusted to be 13V.
Preferably, the current-limiting resistor is a 3W 100 omega metal film five-ring precision resistor to limit short-circuit current when the other terminals of the fast wiring terminal are short-circuited to the No. 1 terminal.
Preferably, the bidirectional direct-current voltage gauge head is one of 3-bit direct-current voltage gauge heads of finished product liquid crystal display or LED display with the range of-20V to 0V to +20V, and the voltage of a gauge head working power supply is not higher than DC 24V.
The utility model has the following advantages: the utility model provides a cable core correction device through improvement, compared with the same type of equipment, the cable core correction device has the following improvement:
the advantages are that: the cable core proofreading device can be operated by one person to proofread the core of the multi-core cable, is simple and easy to operate, can eliminate the influence of external interference factors, and is high in cable proofreading speed.
Drawings
FIG. 1 is a schematic diagram of a signal generating device of the present invention;
FIG. 2 is a schematic diagram of the signal detection apparatus of the present invention;
fig. 3 is a working principle diagram of the present invention.
Wherein: the device comprises a power supply I-1, a power switch I-2, a direct current boosting power supply module I-3, a power indicator lamp-4, a current-limiting resistor-5, a resistor series voltage-dividing circuit-6, a quick wiring terminal I-7, a banana jack group I-8, a power supply II-9, a power switch II-10, a direct current boosting power supply module II-11, a bidirectional direct current voltage meter head-12, a wave band switch-13, a quick wiring terminal II-14, a banana jack group II-15, a lotus plug-16 and a crocodile clip-17.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 3, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a cable core checking device through improvement, which comprises a signal generating device and a signal detecting device.
Example one
As shown in fig. 1, the signal generating device comprises a power supply 1, a power switch 2, a dc boost power supply module 3, a power indicator 4, a current limiting resistor 5, a resistor series voltage-dividing circuit 6, a fast connecting terminal 7 and a banana jack group 8, wherein the power supply 1 adopts a detachable 18650 lithium battery with a rated voltage of 3.7V and is charged by an external charger, the power supply 1, the power switch 2 are connected with the dc boost power supply module 3, the power indicator 4 and the current limiting resistor 5 are respectively connected with the dc boost power supply module 3, the dc boost power supply module 3 adopts a finished dc boost module with an input of 3V-32V and an output of 5V-35V, the output voltage is adjusted to 13V, the power indicator 4 consists of an LED and a voltage reducing resistor, the current limiting resistor 5 adopts a 3W 100 omega metal film five-ring precision resistor, to limit the short circuit current when the other terminals of the fast wiring terminal 7 are short-circuited to the No. 1 terminal, the resistance series voltage-dividing circuit 6 is formed by connecting 12 1/2W 100 omega metal film five-ring precision resistors in series, one end is connected with the current-limiting resistor 5, the other end is connected with the voltage output negative pole of the DC boosting power supply module I3, the voltage distributed by each voltage-dividing resistor is 1V, in order to facilitate measurement and reading, the first quick connection terminal 7 is a 13-bit quick connection terminal, each divider resistor of the resistor series voltage divider circuit 6 is connected in sequence from the 1# terminal to the 13# terminal, so that the voltage difference from the 2# terminal to the 1# terminal is increased by 1V step, the banana jack group one 8 is 13 banana jacks, the signal generating device comprises two cable wiring modes, wherein one mode is that a cable core wire to be corrected, which is stripped off a small section of insulating layer, is directly connected to the quick wiring terminal I7; and the other is that when the section of the cable core is larger, the cable core is connected with the cable core to be calibrated through a test wire with one end being a lotus plug 16 and the other end being an alligator clip 17 and a banana socket group I8.
After a power switch I2 of the signal generating device is switched on, a power supply I1 supplies power to a direct-current boosting power supply module I3, 13V direct-current voltage is output, a power indicator lamp 4 is turned on, 12 equivalent resistors of a resistor series voltage division circuit 6 divide the voltage after the 13V direct-current voltage passes through a current limiting resistor 5, and voltages of 1V, 2V, 3V, … …, 10V, 11V and 12V are sequentially generated by a terminal 2# to a terminal 13# of a quick wiring terminal I7 corresponding to a terminal 1# (a jack 2# to a jack 13# of a banana jack group I8 corresponding to a jack 1 #).
Example two
As shown in fig. 2, the signal detection device is composed of a power supply two 9, a power supply switch two 10, a direct current boosting power supply module two 11, a bidirectional direct current voltage meter head 12, a band switch 13, a fast wiring terminal two 14 and a banana jack group two 15, wherein the power supply two 9 adopts detachable 18650 lithium batteries, the rated voltage is 3.7V, and an external charger is adopted for charging, the power supply two 9 and the power supply switch two 10 are connected with the direct current boosting power supply module two 11, the direct current boosting power supply module two 11 is connected with the bidirectional direct current voltage meter head 12, the direct current boosting power supply module two 11 adopts an input 3V-32V, a finished product direct current boosting module with an adjustable output 5V-35V is output, the output voltage is adjusted to 13V, the direct current boosting power supply module two 11 provides a working power supply for the bidirectional direct current voltage meter head 12, the output voltage is adjusted according to the working voltage of the meter head, and the bidirectional direct current voltage meter head 12 adopts a finished product liquid crystal display or an LED display 3 with a range of-20V- +20V ~ +20V One of the direct current voltage gauge heads is that the working power supply voltage of the gauge head is not higher than DC24V, the wave band switch 13 is a wave band switch with 1 knife and 12 grades, the public end of the wave band switch is connected with the positive electrode of the measuring voltage input end of the bidirectional direct current voltage gauge head 12, the second quick connecting terminal 14 is a 13-bit quick connecting terminal, the 1# terminal is connected with the negative electrode of the measuring voltage input end of the bidirectional direct current voltage gauge head 12, the 2# -13 # terminals are sequentially connected with 1-12 grades of the wave band switch 13, the signal detection device provides two cable connection modes, and the other mode is that the cable core wire to be corrected, which is stripped off a small section of the insulating layer, is directly connected to the second quick connecting terminal 14; and the other is that when the section of the cable core is larger, the cable core is connected with the cable core to be calibrated through a test wire with one end being a lotus plug 16 and the other end being an alligator clip 17 and a banana jack group II 15.
After the second power switch 10 of the signal detection device is switched on, the second power supply 9 boosts the voltage through the second direct-current boosting power supply module 11 and provides working power for the bidirectional direct-current voltage meter head 12, and a display screen can display the working power after the meter head is powered on, so that a power indicator lamp is not arranged, and the voltage difference of the 2# -13 # terminal of the second quick wiring terminal 14 relative to the 1# terminal (the 2# -13 # jack of the second banana jack group 15 relative to the 1# jack) can be measured by adjusting the gear of the band switch 13.
As shown in fig. 3, the present invention provides a cable core checking device by improvement, and its working principle is as follows;
firstly, when cable core correction is carried out, assuming that a cable has n cores, stripping off a small section of insulating layer from core wires at two ends of the cable respectively, marking the core wires at the tail end of the cable with wire numbers of 1, 2, 3, … … and n and sequentially accessing corresponding terminals of a quick connecting terminal I7 of a signal generating device, marking no wire number on the core wire at the head end of the cable, and randomly accessing the terminals of 1, 2, 3, … … and n of a quick connecting terminal II 14 of a signal detecting device;
secondly, the power switch 2 of the signal generating device is switched on, then the power switch 10 of the signal detecting device is switched on, the gear of the wave band switch 13 is shifted (the gear is rotated from the 1 st gear to the n-1 st gear, the measured voltage value Ui of each gear is recorded (i is equal to 2-n, i.e., U2 is the voltage measured by the band switch in the 1 st gear, Un is the voltage measured by the band switch in the n-1 st gear), when the voltage value of each gear is recorded, the read voltage value is rounded (note the polarity of the voltage), U2-Un are the potential differences between the No. 2 terminal to No. n terminal of the fast connection terminal II 14 relative to the No. 1 terminal, and the voltage U1 of the 1# terminal is recorded as 0V, the minimum voltage value Umin is taken from the recorded voltage values, the wire number of the wire core connected to each terminal of the second quick connecting terminal 14 of the signal detection device corresponding to the signal generation device is Ui + | Umin | + 1.
The utility model provides a cable core calibration device through improvement, and provides a signal generating device and a signal detection device, which only provide the capability of calibrating a 13-core cable at one time, more gears can be designed during actual manufacturing to adapt to cables with more cores, the power of a current-limiting resistor 5 of the signal generating device is considered to meet the power consumption requirement of a fast wiring terminal I7 when other terminals are in short circuit with a 1# terminal, and meanwhile, the output voltage of a direct-current boosting power supply module I3 is regulated to ensure that the voltage division value of each series voltage division resistor is still 1V, so that the reading of a voltage measurement meter head of the signal detection device is convenient. In addition, through grouping wiring and multiple measurements, cables with more than 13 cores can be calibrated under the condition of not increasing gears.
The utility model provides a cable core checking device through improvement, and can also use only a signal generating device and replace a signal detecting device with a universal meter to measure the voltage on the other side of the cable.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a cable core school is to device which characterized in that: comprises a signal generating device and a signal detecting device, wherein the signal generating device comprises a power supply I (1), a power switch I (2), a DC boosting power supply module I (3), a power indicator lamp (4), a current-limiting resistor (5), a resistor series voltage-dividing circuit (6), a quick wiring terminal I (7) and a banana jack group I (8), the power supply I (1) and the power switch I (2) are connected with the DC boosting power supply module I (3), the power indicator lamp (4) and the current-limiting resistor (5) are respectively connected with the DC boosting power supply module I (3), the power indicator lamp (4) comprises an LED light-emitting diode and a voltage-reducing resistor, the resistor series voltage-dividing circuit (6) is formed by connecting 12 metal film five-ring precision resistors in series, one end of the power indicator lamp is connected with the current-limiting resistor (5), the other end of the power indicator lamp is connected with the voltage output cathode of the DC boosting power supply module I (3), the first quick wiring terminal (7) is a 13-bit quick wiring terminal, each divider resistor of the resistor series voltage divider circuit (6) is sequentially connected from the 1# terminal to the 13# terminal, and the first banana jack group (8) is 13 banana jacks and is correspondingly connected with the 13-bit terminals of the first quick wiring terminal (7) respectively.
2. The cable core calibration device of claim 1, wherein: the signal detection device consists of a power supply II (9), a power supply switch II (10), a direct current boosting power supply module II (11), a bidirectional direct current voltage gauge outfit (12), a waveband switch (13), a quick wiring terminal II (14) and a banana jack group II (15), the second power supply (9) and the second power switch (10) are connected with the second direct-current boosting power supply module (11), the second direct-current boosting power supply module (11) is connected to the bidirectional direct-current voltage gauge outfit (12), the band switch (13) is a 1-pole 12-gear band switch, the common end of the bidirectional direct-current voltage meter is connected with the positive electrode of the voltage measuring input end of the bidirectional direct-current voltage meter head (12), the second quick wiring terminal (14) is a 13-bit quick wiring terminal, the 1# terminal is connected with the negative electrode of the voltage measuring input end of the bidirectional direct-current voltage meter head (12), and the 2# to 13# terminals are sequentially connected with the 1-12 gears of the band switch (13).
3. The cable core calibration device of claim 1, wherein: the signal generating device comprises two cable wiring modes, wherein one mode is that a cable core wire to be corrected, which is stripped off a small section of insulating layer, is directly connected to a first quick wiring terminal (7); the other type is that a test wire with one end being a lotus plug (16) and the other end being an alligator clip (17) is connected with a cable core wire to be calibrated through a banana socket group I (8).
4. The cable core calibration device of claim 1, wherein: the signal detection device provides two cable wiring modes, one is that a cable core wire to be corrected, which is stripped off a small section of insulating layer, is directly connected to a second quick wiring terminal (14); the other type is that a test wire with one end being a lotus plug (16) and the other end being an alligator clip (17) is connected with a cable core wire to be calibrated through a second banana jack group (15).
5. The cable core calibration device of claim 1, wherein: the power supply I (1) and the power supply II (9) both adopt detachable 18650 lithium batteries with rated voltage of 3.7V and adopt an external charger for charging.
6. The cable core calibration device of claim 1, wherein: the direct current boosting power supply module I (3) and the direct current boosting power supply module II (11) adopt finished direct current boosting modules with adjustable input voltage of 3V-32V and output voltage of 5V-35V, and output voltage is adjusted to be 13V.
7. The cable core calibration device of claim 1, wherein: the current limiting resistor (5) is a five-ring precision resistor of a 3W 100 omega metal film.
8. The cable core verification device of claim 2, wherein: the bidirectional direct-current voltage gauge head (12) is one of 3-bit direct-current voltage gauge heads of finished product liquid crystal display or LED display with the range of-20V to 0V to +20V, and the voltage of a gauge head working power supply is not higher than DC 24V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122066827.0U CN216144936U (en) | 2021-08-30 | 2021-08-30 | Cable core checking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122066827.0U CN216144936U (en) | 2021-08-30 | 2021-08-30 | Cable core checking device |
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| CN216144936U true CN216144936U (en) | 2022-03-29 |
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| CN202122066827.0U Active CN216144936U (en) | 2021-08-30 | 2021-08-30 | Cable core checking device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118091499A (en) * | 2024-04-23 | 2024-05-28 | 国网山东省电力公司淄博供电公司 | Secondary cable core checking device and method based on voltage amplitude-frequency detection |
-
2021
- 2021-08-30 CN CN202122066827.0U patent/CN216144936U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118091499A (en) * | 2024-04-23 | 2024-05-28 | 国网山东省电力公司淄博供电公司 | Secondary cable core checking device and method based on voltage amplitude-frequency detection |
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