CN217521340U - Hand-held type double-purpose cable recognition device - Google Patents
Hand-held type double-purpose cable recognition device Download PDFInfo
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- CN217521340U CN217521340U CN202220536091.0U CN202220536091U CN217521340U CN 217521340 U CN217521340 U CN 217521340U CN 202220536091 U CN202220536091 U CN 202220536091U CN 217521340 U CN217521340 U CN 217521340U
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Abstract
A hand-held dual-purpose cable identification device comprises a box body, wherein a transmitting host, a receiving host, a transmitting connecting line, a transmitting caliper and a flexible measuring coil are arranged in the box body in a matched manner; the transmitting host is used for feeding periodic unipolar voltage pulses into a cable to be identified, the receiving host is used for detecting the current direction and the current magnitude in the cable, a current sensor and an amplifier which are connected in series are arranged in the receiving host, the flexible measuring coil is used for identifying the cable, and the transmitting connecting line and the transmitting caliper are matched to establish a passage among the transmitting host, the cable and the receiving host so as to identify the cable; the receiving host comprises a shell, a detection socket is arranged at the top of the shell and used for being connected with a flexible measuring coil, an LCD display screen and function keys are connected onto the shell, a signal direction indicator lamp and a charging display indicator lamp are further arranged on the shell, and a charging port and a buzzer are arranged at the bottom of the shell.
Description
The technical field is as follows:
the utility model relates to a hand-held type double-purpose cable recognition device.
Background art:
the power cable is a cable product used for transmitting and distributing high-power electric energy in a trunk line of a power system, and is commonly used for urban underground power grids, power station leading-out lines, power supply in industrial and mining enterprises and power transmission lines under river-crossing seawater.
The basic structure of the power cable is composed of four parts, namely a wire core, an insulating layer, a shielding layer and a protective layer. In the power lines, the cable is increasing in specific gravity. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy, including various voltage classes, 1-500KV and above, and various insulated power cables.
The power cable is an indispensable transmission medium for transmitting electric energy, and a specific cable is often required to be identified in an intricate cable trench or a cable well in cable erection, migration, maintenance and fault treatment; and current traditional cable recognition device need have a power failure to carry out the cable identification test, and the transmitter is mostly mains supply, very easily receives the unable power supply of site environment influence, and the receiver is mostly electromagnetic pendulum needle formula simultaneously, when receiving other cables and magnetic field influence, can lead to the test result deviation to appear, and the precision is relatively poor, and the device volume is great, inconvenient little space operation and carrying bring the trouble for the test discernment, and work efficiency is low.
The utility model has the following contents:
the embodiment of the utility model provides a hand-held type double-purpose cable recognition device, structural design is reasonable, assemble the function block of polymorphic type in the aluminum alloy box, transmission and feedback effect based on unipolar voltage law pulse signal, specific cable can accurate quick discernment, reduce the influence that external environment condition brought, both can the power failure test, also can electrified discernment, the bulk operation step is simple and convenient, the range of application is wide, conveniently carry simultaneously and operate to the little space, thereby whole work efficiency and precision have been promoted, the problem that exists among the prior art has been solved.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
a hand-held dual-purpose cable identification device comprises a box body, wherein a transmitting host, a receiving host, a transmitting connecting line, transmitting calipers and a flexible measuring coil are arranged in the box body in a matched mode; the cable identification device comprises a transmitting host, a receiving host, a flexible measuring coil, a transmitting connecting wire and a transmitting caliper, wherein the transmitting host is used for feeding periodic unipolar voltage pulses into a cable to be identified, the receiving host is used for detecting the current direction and the current magnitude in the cable, a current sensor and an amplifier which are connected in series are arranged in the receiving host, the flexible measuring coil is used for identifying the cable, and the transmitting connecting wire and the transmitting caliper are matched to establish a passage among the transmitting host, the cable and the receiving host so as to identify the cable; the receiving host comprises a shell, a detection socket is arranged at the top of the shell and is used for connecting a flexible measuring coil, and an LCD display screen and function keys are connected to the shell to display signal characteristics and electric quantity states; the shell is also provided with a signal direction indicator light and a charging display indicator light, and the bottom of the shell is provided with a charging port and a buzzer.
The amplifier is in an ICL7650 model, 9 pins are arranged on the amplifier, a fourth capacitor and a fifth capacitor which are connected in parallel are arranged between the first pin and the second pin of the amplifier, the third pin of the amplifier is grounded through the second capacitor, and the fourth pin of the amplifier is connected with the current sensor through a fourth resistor; a first resistor, a second resistor, a fifth resistor and a first diode which are connected in parallel are arranged between a pin No. five and a pin No. six of the amplifier, and a first capacitor, a third resistor and a third capacitor are arranged between a pin No. seven and a pin No. nine of the amplifier.
The emission host is powered by a high-energy lithium battery.
The launch caliper includes a black clip and a red clip.
The box body is an ABS high-strength protection box.
By adopting the structure, the utility model feeds the periodic unipolar voltage pulse into the cable to be identified through the transmitting host, and detects the current direction and the current magnitude in the cable through the receiving host; inducing a voltage in a coil of the sensor by receiving a magnetic field generated by a circuit sensor and an amplifier connected in series within the host machine to cause current to flow through the cable; the cable is identified by establishing a path among the transmitting host, the cable and the receiving host through the matching of the transmitting connecting line and the transmitting calipers, and the cable identification device has the advantages of being accurate, practical and simple and convenient to operate.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the receiver host of the present invention.
Fig. 3 is a schematic structural diagram of the launching host of the present invention.
Fig. 4 is a schematic diagram of power failure recognition according to the present invention.
Fig. 5 is an electrified recognition schematic diagram of the present invention.
Fig. 6 is an electrical schematic diagram of the amplifier of the present invention.
In the figure, the device comprises a box body 1, a box body 2, a shell body 3, a detection socket 4, an LCD display screen 5, a function key 6, a charging port 7 and a buzzer.
The specific implementation mode is as follows:
in order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
As shown in fig. 1-6, a handheld dual-purpose cable identification device comprises a box body 1, wherein a transmitting host, a receiving host, a transmitting connecting line, a transmitting caliper and a flexible measuring coil are arranged in the box body 1 in a matching manner; the cable identification device comprises a transmitting host, a receiving host, a flexible measuring coil, a transmitting connecting wire and a transmitting caliper, wherein the transmitting host is used for feeding periodic unipolar voltage pulses into a cable to be identified, the receiving host is used for detecting the current direction and the current magnitude in the cable, a current sensor and an amplifier which are connected in series are arranged in the receiving host, the flexible measuring coil is used for identifying the cable, and the transmitting connecting wire and the transmitting caliper are matched to establish a passage among the transmitting host, the cable and the receiving host so as to identify the cable; the receiving host comprises a shell 2, a detection socket 3 is arranged at the top of the shell 2, the detection socket 3 is used for connecting a flexible measuring coil, and an LCD display screen 4 and a function key 5 are connected to the shell 2 to display signal characteristics and electric quantity states; the shell 2 is also provided with a signal direction indicator light and a charging display indicator light, and the bottom of the shell is provided with a charging port 6 and a buzzer 7.
The amplifier is in an ICL7650 model, 9 pins are arranged on the amplifier, a fourth capacitor and a fifth capacitor which are connected in parallel are arranged between the first pin and the second pin of the amplifier, the third pin of the amplifier is grounded through the second capacitor, and the fourth pin of the amplifier is connected with the current sensor through a fourth resistor; a first resistor, a second resistor, a fifth resistor and a first diode which are connected in parallel are arranged between a pin No. five and a pin No. six of the amplifier, and a first capacitor, a third resistor and a third capacitor are arranged between a pin No. seven and a pin No. nine of the amplifier.
The emission host is powered by a high-energy lithium battery.
The launch caliper includes a black clip and a red clip.
The box body 1 is an ABS high-strength protection box.
The embodiment of the utility model provides an in hand-held type double-purpose cable recognition device's theory of operation does: with the functional unit assembly of polymorphic type in the aluminum alloy box, based on unipolar voltage law pulse signal's transmission and feedback effect, specific cable can accurate quick discernment, reduce the influence that external environment condition brought, both can power failure test, also can discern with electricity, the overall operation step is simple and convenient, the range of application is wide, conveniently carry simultaneously and operate to little space, thereby whole work efficiency and precision have been promoted, compare in current product, the structure is compact and small.
In the integral scheme, the device mainly comprises a box body 1, wherein a transmitting host, a receiving host, a transmitting connecting line, transmitting calipers and a flexible measuring coil are arranged in the box body 1 in a matched manner; the cable identification device comprises a transmitting host, a receiving host, a flexible measuring coil, a transmitting connecting wire and a transmitting caliper, wherein the transmitting host is used for feeding periodic unipolar voltage pulses into a cable to be identified, the receiving host is used for detecting the current direction and the current magnitude in the cable, a current sensor and an amplifier which are connected in series are arranged in the receiving host, the flexible measuring coil is used for identifying the cable, and the transmitting connecting wire and the transmitting caliper are matched to establish a passage among the transmitting host, the cable and the receiving host so as to identify the cable; the receiving host comprises a shell 2, a detection socket 3 is arranged at the top of the shell 2, the detection socket 3 is used for connecting a flexible measuring coil, and an LCD display screen 4 and a function key 5 are connected to the shell 2 to display signal characteristics and electric quantity states; a signal direction indicator light and a charging display indicator light are also arranged on the shell 2, and a charging port 6 and a buzzer 7 are arranged at the bottom of the shell 2.
Based on the above-mentioned different types of functional component's mutually supporting effect, can satisfy two kinds of different functional modes: a power failure recognition mode and a charging recognition mode.
Aiming at the power failure identification mode, the specific working process is as follows: the transmitting host injects a regular pulse signal into a core wire of the cable to be identified through a connecting wire, the tail end of the core wire of the cable is grounded, a current loop is formed through the ground, and other unused core wires and armor are not allowed to be grounded, so that the situation that the current of the injected signal is offset by backflow current in the cable to be identified is avoided; the flexible measuring coil is sleeved on the cable to be identified, the current direction in the cable to be identified is the direction of injected current, the signal is strongest, the amplitude is largest, the current directions in other cables are all opposite to the direction of the injected current, the signal is weaker, the amplitude is one-N times of that of the cable to be identified, and when a plurality of continuous signals which are consistent with the direction, the amplitude and the interval of the injected signal are received, the cable to be identified is the target cable to be identified.
Aiming at the charged identification mode, the specific working process is as follows: the transmitting host couples regular pulse signals to an armored shielding layer of a cable to be identified through the calipers and forms a current loop through grounding of two ends, so that the two ends of the cable to be identified must be reliably grounded, the current signals coupled to the cable are much smaller than the current signals directly injected into the cable, the gain gear of the receiving host needs to be improved during electrified identification, the gain gear is the same as power failure, and the target cable to be identified is obtained when a plurality of continuous signals which are consistent with the direction, the amplitude and the interval of the injected signals are received.
Preferably, the emission host computer adopts the power supply of high energy lithium cell, need not on-the-spot 220V power and inserts, convenient to use, and the design is small and exquisite, the low power dissipation, power supply time is long, multistage electric quantity instruction.
Preferably, the receiving host machine adopts a color screen LCD display screen to perform accurate electric quantity prompting, the direction, the amplitude and the interval of the synchronous display signals are used as effective judgment bases, a plurality of signals are reserved on a time axis, and the cable to be identified is determined more accurately through continuous effective signals.
Preferably, the flexible measuring coil is adopted for cable identification, and the problem that the traditional receiving calipers cannot be clamped into cables to be identified and cannot be identified due to cable congestion and overlapping in a power field is solved.
Preferably, box 1 is ABS high strength guard box, can effectively protect the instrument, and convenient transportation and adaptation site's adverse circumstances are on-the-spot simultaneously.
In particular, the following safety tests must be performed before the power failure identification is performed to avoid casualties or damage to the identification apparatus and other equipment. When the power failure recognition function is used, the cable to be detected needs to be checked in a live state, and the cable is ensured to be in a non-power state.
When the transmitting host is powered on, the output end can intermittently output pulse high voltage, and a human body does not touch the metal parts of the output terminal and the connecting wire. Generally, an output wire clip is connected in advance, and the power supply is turned off before the power supply is turned on and the wire is removed, so that people are prevented from being injured by electric shock.
To sum up, the embodiment of the utility model provides an in hand-held type double-purpose cable recognition device assemble the functional unit of polymorphic type at the aluminum alloy incasement, based on unipolar voltage law pulse signal's transmission and feedback effect, can accurate quick discernment specific cable, reduce the influence that external environment condition brought, both can have a power failure test, also can electrified discernment, the whole operation step is simple and convenient, the range of application is wide, conveniently carry simultaneously and operate to the little space, thereby whole work efficiency and precision have been promoted, compare in current product, the structure is compacter and more small and exquisite, conveniently popularize and promote.
The above-mentioned embodiment can not be regarded as right the utility model discloses the restriction of scope, to the technical person in this technical field, it is right the utility model discloses any alternative improvement or transform that the embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (5)
1. A hand-held type double-purpose cable recognition device which characterized in that: the device comprises a box body, wherein a transmitting host, a receiving host, a transmitting connecting line, transmitting calipers and a flexible measuring coil are arranged in the box body in a matched manner; the transmitting host is used for feeding periodic unipolar voltage pulses into a cable to be identified, the receiving host is used for detecting the current direction and the current magnitude in the cable, a current sensor and an amplifier which are connected in series are arranged in the receiving host, the flexible measuring coil is used for identifying the cable, and the transmitting connecting line and the transmitting caliper are matched to establish a passage among the transmitting host, the cable and the receiving host so as to identify the cable; the receiving host comprises a shell, a detection socket is arranged at the top of the shell and is used for connecting a flexible measuring coil, and an LCD display screen and function keys are connected to the shell to display signal characteristics and electric quantity states; the shell is also provided with a signal direction indicator light and a charging display indicator light, and the bottom of the shell is provided with a charging port and a buzzer.
2. A hand-held dual-purpose cable identification device as claimed in claim 1, wherein: the type of the amplifier is ICL7650, the amplifier is provided with 9 pins, a fourth capacitor and a fifth capacitor which are connected in parallel are arranged between the first pin and the second pin of the amplifier, the third pin of the amplifier is grounded through the second capacitor, and the fourth pin of the amplifier is connected with the current sensor through a fourth resistor; a first resistor, a second resistor, a fifth resistor and a first diode which are connected in parallel are arranged between a fifth pin and a sixth pin of the amplifier, and a first capacitor, a third resistor and a third capacitor are arranged between a seventh pin and a ninth pin of the amplifier.
3. A hand-held dual-purpose cable identification device as claimed in claim 1, wherein: the emission host is powered by a high-energy lithium battery.
4. A hand-held dual-purpose cable identification device as claimed in claim 1, wherein: the launch caliper includes a black clip and a red clip.
5. A hand-held dual-purpose cable identification device as claimed in claim 1, wherein: the box body is an ABS high-strength protection box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220536091.0U CN217521340U (en) | 2022-03-07 | 2022-03-07 | Hand-held type double-purpose cable recognition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220536091.0U CN217521340U (en) | 2022-03-07 | 2022-03-07 | Hand-held type double-purpose cable recognition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217521340U true CN217521340U (en) | 2022-09-30 |
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ID=83370215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220536091.0U Active CN217521340U (en) | 2022-03-07 | 2022-03-07 | Hand-held type double-purpose cable recognition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217521340U (en) |
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2022
- 2022-03-07 CN CN202220536091.0U patent/CN217521340U/en active Active
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