CN219349104U - Handheld double-purpose cable identification device - Google Patents

Abstract

The utility model discloses a handheld dual-purpose cable identification device, which comprises a protection case; through setting up the transmission calliper, realize the function of electrified discernment through the mode of transmission calliper coupling, make the device can carry out with electrified discernment and the dual-purpose discernment of outage discernment according to different service conditions, the holistic practicality of device has been improved, when electrified discernment, the transmission host computer couples the armor shielding layer of regular pulse signal to the cable of waiting to discern through the transmission calliper, and form the electric current loop through both ends ground connection, so wait to discern the cable both ends and must reliable ground, because the current signal that couples to the cable is less than the electric current signal of directly linking the injection, so all need improve the gain gear of receiver host computer when electrified discernment, the same with the outage, be the target cable of waiting to discern when receiving a plurality of continuous and injection signal direction, amplitude, interval unanimity, and then have the discernment accuracy, the gain is adjustable, characteristics that the recognition rate is high.

Description

Handheld double-purpose cable identification device

Technical Field

The utility model belongs to the technical field of cable identification, and particularly relates to a handheld dual-purpose cable identification device.

Background

The cable identification instrument is composed of a signal generator, a signal detector of the receiving clamp and an indicator, wherein the signal generator mainly generates special pulse modulation signals, the special pulse modulation signals are added to a tested cable which stops running through an output line, the tested cable is searched on site by the receiving clamp, when the special signals applied to the cable are detected by the signal detector, an ammeter pointer on the signal detector swings synchronously with the frequency of the applied signals, the signals detected by other cable wires are quite small and opposite in direction, and the tested cable is easily judged through the ammeter indicating amplitude and direction. When the receiving clamp signal detector is used in combination with the signal generator, the receiving clamp signal detector can be used for judging the electrified state of the cable or assisting in finding the short circuit position of the cable and the like. When the receiving clamp signal detector is used, the clamp jaws are used for clamping the cable.

The existing cable identification instrument, in particular to an SK-900 type cable identification instrument, cannot carry out two identification modes of live identification and power failure identification on a cable, so that the practicability is reduced, and the problem that the cable to be identified cannot be clamped into a traditional receiving caliper and cannot be identified due to congestion and overlapping of the cable on the power site is solved, so that the handheld dual-purpose cable identification device is provided.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides a handheld dual-purpose cable identification device, so as to solve the problems that the practicability is reduced due to the fact that two identification modes of live identification and power failure identification cannot be carried out on a cable in the prior art, and the cable to be identified cannot be clamped into a traditional receiving caliper due to congestion and overlapping of the cable on an electric power site, so that the cable cannot be identified.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hand-held type double-purpose cable identification device, includes the protection machine case, the inside transmission host computer, receiver host computer, receiving coil, transmission calliper and the transmission fastener of being provided with of protection machine case, transmission host computer top one side rotates and is connected with the case lid, the opposite side block of transmission host computer and case lid is connected, the transmission host computer passes through the top electric connection of transmission fastener and cable, receiver host computer and receiving coil electric connection, receiving coil and transmission calliper all are located the outside of cable, transmission calliper and transmission host computer electric connection.

Preferably, a first LCD display screen is arranged at the top of the transmitting host, a red/black test wire socket, a switch button, a charging jack and a first charging indicator lamp are arranged on one side of the transmitting host, and the red/black test wire socket is located above the switch button and the charging jack.

Preferably, the top of the receiving host is provided with a second LCD display screen, function keys, a signal direction indicator lamp and a second charging indicator lamp, one side of the receiving host is provided with an earphone socket, the transmitting host is electrically connected with the receiving coil through the earphone socket, and the other side of the receiving host is provided with a charging port and a buzzer.

Preferably, a sponge pad is arranged in the protection case, the top of the sponge pad corresponds to the transmitting host, the receiving coil, the transmitting calipers and the transmitting line clamp, a groove is formed in the top of the sponge pad, and a DC5V charger is arranged below the transmitting host in the groove.

Preferably, the display interface content of the first LCD display screen includes an electric quantity indication, an energy storage indication, a time axis, a loop condition, an operation prompt, a mode prompt and an interval indication.

Preferably, the display interface content of the second LCD display screen includes a battery indication, a gain gear bar, a gain gear indication, a signal feature and a signal coordinate axis.

Preferably, the protection case is an ABS high strength protection case.

Compared with the prior art, the utility model provides a handheld dual-purpose cable identification device, which has the following beneficial effects:

1. according to the utility model, the transmission calipers are arranged, and the function of electrified identification is realized in a coupling mode of the transmission calipers, so that the device can be identified by electrified identification and power failure identification according to different use conditions, and the overall practicability of the device is improved;

2. according to the utility model, the receiving host is arranged, when the receiving host is used for live identification, the transmitting host couples a regular pulse signal to the armored shielding layer of the cable to be identified through the transmitting calipers, and the two ends of the cable to be identified are grounded to form a current loop, so that the two ends of the cable to be identified are required to be reliably grounded, the current signal coupled to the cable is far smaller than the current signal directly injected, the gain gear of the receiving host is required to be improved during live identification, and the receiving host is identical to power failure, and when a plurality of continuous signals consistent with the direction, amplitude and interval of the injected signals are received, the receiving host is the target cable to be identified, so that the receiving host has the characteristics of accurate identification, adjustable gain and high identification rate.

The device has the advantages of scientific and reasonable structure, safe and convenient use and great help for people.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and together with the embodiments of the utility model and do not constitute a limitation to the utility model, and in which:

FIG. 1 is a schematic view of an isometric structure of a handheld dual-purpose cable identification device according to the present utility model;

fig. 2 is a schematic diagram of an axial measurement structure of a transmitting host in a handheld dual-purpose cable identification device according to the present utility model;

fig. 3 is a schematic diagram of an axial measurement structure of a receiving host in the handheld dual-purpose cable identification device according to the present utility model;

fig. 4 is a schematic diagram of a power outage recognition principle of a handheld dual-purpose cable recognition device according to the present utility model;

fig. 5 is a schematic diagram of a live identification principle of a handheld dual-purpose cable identification device according to the present utility model;

FIG. 6 is a schematic diagram of a display interface of a transmitting host in a handheld dual-purpose cable identification device according to the present utility model;

fig. 7 is a schematic diagram of a display interface of a receiving host in a handheld dual-purpose cable identification device according to the present utility model;

in the figure: the power supply system comprises a transmitting host 1, a power indicator 101, an energy storage indicator 102, a time axis 103, a loop condition 104, an operation prompt 105, a mode prompt 106, an interval indicator 107, a receiving host 2, a battery indicator 201, a gain gear column bar 202, a gain gear indicator 203, a signal feature 204, a signal coordinate axis 205, a receiving coil 3, a transmitting caliper 4, a transmitting wire clamp 5, a first LCD display screen 6, a red/black test wire socket 7, a switch button 8, a charging jack 9, a first charging indicator light 10, an earphone socket 11, a second LCD display screen 12, a function key 13, a signal direction indicator light 14, a second charging indicator light 15, a charging port 16, a buzzer 17, a sponge pad 18, a DC5V charger 19, a protection case 20 and a case cover 21.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, the present utility model provides a technical solution: the utility model provides a hand-held type double-purpose cable identification device, including protection machine case 20, protection machine case 20 inside is provided with transmission host 1, receiver host 2, receiving coil 3, transmission calliper 4 and transmitting clamp 5, transmission host 1 top one side rotates and is connected with case lid 21, the opposite side block of transmission host 1 and case lid 21 is connected, transmission host 1 is through the top electric connection of transmission clamp 5 and cable, receiver host 2 and receiving coil 3 electric connection, receiving coil 3 and transmitting clamp 4 all are located the outside of cable, transmission calliper 4 and transmission host 1 electric connection, realize the function of electrified discernment through the mode of transmitting clamp 4 coupling, make the device carry out with electrified discernment and power failure discernment dual-purpose discernment according to the different service conditions, the holistic practicality of device has been improved, when electrified discernment, transmission host 1 couples regular pulse signal to the armor shielding layer of waiting to discern the cable through transmitting clamp 4, and form the electric current loop through both ends ground connection, so wait to discern the cable both ends must reliable ground, because the electric current signal that couples to the cable is than the direct connection and pour into is much less, so all need to improve receiver host 2's position when electrified discernment, the transmission clamp 4 has, the gain is high enough, and the same with the transmission clamp 2, when portable clamp 2 is put into with the transmission clamp 2, the gain has been adjusted to take place, when the portable case 1, the portable electronic device has the characteristics, and has been put into the gain, and has the characteristics of the portable device, and has been used in the transmission clamp 20, and has been carried down, and has been carried the characteristics, and can be well in the case 20, and can be well-station 20, and can be well-recognized, and can be identified.

In the utility model, preferably, a first LCD display screen 6 is arranged at the top of the transmitting host 1, a red/black test wire socket 7, a switch button 8, a charging jack 9 and a first charging indicator lamp 10 are arranged at one side of the transmitting host 1, the red/black test wire socket 7 is positioned above the switch button 8 and the charging jack 9, wherein the first LCD display screen 6 is used for displaying the working information of the transmitting host 1, and the red/black test wire socket 7 is used for connecting the transmitting calipers 4 or the transmitting wire clamps 5 according to red and black colors; the switch button 8 is used for switching the working mode by long-time pressing on/off and short-time pressing; the charging jack 9 uses a DC5V2.1A power adapter for charging the transmitting host 1; the first charge indicator light 10 is used to display the state of charge, charge-red, full-green.

In the utility model, preferably, the top of the receiving host 2 is provided with a second LCD display screen 12, a function key 13, a signal direction indicator lamp 14 and a second charging indicator lamp 15, one side of the receiving host 2 is provided with an earphone socket 11, the transmitting host 1 is electrically connected with the receiving coil 3 through the earphone socket 11, and the other side of the receiving host 2 is provided with a charging port 16 and a buzzer 17, wherein the second LCD display screen 12 is used for displaying information such as signal characteristics, electric quantity state and the like, the function key 13 is used for switching on and off and adjusting gain, the key is pressed for a long time, the key is pressed for a short time, the key is pressed for increasing the gain gear, the signal direction indicator lamp 14 is used for displaying signal direction, forward direction, green direction and reverse direction, and red direction, and the buzzer 17 is used for sending a 'dripping' sound prompt when receiving signals and transmitting in the same direction.

In the utility model, preferably, a foam cushion 18 is arranged in the protective case 20, grooves are formed in the tops of the foam cushion 18 corresponding to the transmitting host 1, the receiving host 2, the receiving coil 3, the transmitting calipers 4 and the transmitting wire clamps 5, a DC5V charger 19 is arranged in the grooves and below the transmitting host 1, and the protective effect on the transmitting host 1, the receiving host 2, the receiving coil 3, the transmitting calipers 4 and the transmitting wire clamps 5 is improved through the grooves in the tops of the foam cushion 18.

In the present utility model, preferably, the display interface contents of the first LCD display 6 include an electricity quantity indication 101, an energy storage indication 102, a time axis 103, a loop condition 104, an operation prompt 105, a mode prompt 106 and an interval indication 107, which correspond to the following contents respectively:

power indication 101: when the electric quantity is low, the identification work should be ended as soon as possible to charge;

energy storage indication 102: the instrument can intermittently charge and boost the output port, and when the voltage rises to a set value, the instrument triggers high-voltage pulse output;

time axis 103: the position of a plurality of pulses on a 10 second time axis is recorded during identification, and a correct identification cable can be judged through continuous pulses;

loop case 104: evaluating the loop according to the loop condition, wherein the better the loop condition is, the more beneficial the cable identification work is;

operation prompt 105: prompting to switch the measurement mode by pressing a power key for a short time;

mode prompt 106: short pressing of the power key circularly switches power failure identification and electrification identification;

interval indication 107: interval duration of two pulse outputs, unit: second.

In the present utility model, preferably, the display interface contents of the second LCD display 12 include a battery indication 201, a gain gear bar 202, a gain gear indication 203, a signal feature 204 and a signal coordinate axis 205, which correspond to the following contents respectively:

battery indication 201: when the electric quantity is low, the identification work should be ended as soon as possible to charge;

gain gear bar 202: indicating a state of a current signal gain;

gain gear indication 203: displaying the digital label of the gain gear, wherein the larger the numerical value is, the higher the gain is;

signal feature 204: three elements, namely a direction, an amplitude and an interval, are a target cable when the three elements are consistent with the test of the transmitting signal end in the field identification;

signal axis 205: and storing effective pulses within a certain time, and providing more reliable basis for judging the target cable by continuously using a plurality of effective pulse signals.

In the utility model, the protection case 20 is preferably an ABS high-strength protection case, so that the instrument is effectively protected, and meanwhile, the protection case is convenient to transport and is suitable for the severe environment of a construction site.

The working principle and the using flow of the utility model are as follows: when power failure is identified, the transmitting host 1 injects a regular pulse signal into a core wire of a cable to be identified through a connecting wire, the tail end of the cable core wire is grounded, a current loop is formed through the ground, other unused core wires and armors are not allowed to be grounded, the situation that reflux current in the cable to be identified counteracts the current of the injected signal is avoided, the receiving coil 3 is sleeved on the cable to be identified, the current direction in the cable to be identified is the current direction of the injected signal, the signal is strongest and the amplitude is maximum, the current directions in other cables are opposite to the current direction of the injected signal, the signal is weaker, the amplitude is one-times of N times of the cable to be identified, and the receiving host 2 is the target cable to be identified when receiving a plurality of continuous signals consistent with the direction, the amplitude and the interval of the injected signal;

when in live identification, the transmitting host 1 couples a regular pulse signal to an armored shielding layer of a cable to be identified through the transmitting calipers 4 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, and the gain gear of the receiving host 2 is required to be improved during live identification as the current signal coupled to the cable is far smaller than the current signal directly injected, and the receiving host is the target cable to be identified when receiving a plurality of continuous signals consistent with the direction, amplitude and interval of the injected signals like power failure;

when the portable electronic device is used in a moving mode, the transmitting host 1, the receiving host 2, the receiving coil 3, the transmitting calipers 4 and the transmitting wire clamps 5 are placed in grooves in the tops of the spongy cushions 18, so that the spongy cushions 18 are stored conveniently, the protective case 20 is used for storing the spongy cushions 18, the case cover 21 and the protective case 20 are clamped, and then the portable electronic device is convenient to carry, and portability is improved.

It should be noted that, before the on-site cable is identified, the receiving host 2 and the receiving coil 3 should test the signal amplitude at the signal transmitting end, for example, no signal or weak signal can be used to press the functional key 13 for increasing the gain until an obvious effective signal appears, the signal is used as an identification basis in on-site measurement, and the gain gear is not changed at will, so that the characteristics of the identification signal deviate from the characteristics of the test signal; when power failure is identified, the unused wire cores should be suspended, so that signals are prevented from flowing back from the cable to be identified, and injection signals are offset; if the cable is grounded or branched in the middle, only the part of the cable before the cable is grounded or branched can be identified; during live identification, the receiving coil 3 should keep a distance of one meter away from the transmitting calipers 4 during measurement, so that the receiving coil 3 is prevented from directly sensing signals of the transmitting calipers 4, if gain is improved, effective signals are still not received, whether a cable armor layer has a breakpoint or whether two ends of the cable are unreliable in grounding is checked, according to the situation, the two ends of the cable are effectively grounded or are grounded before and after an armor breaking position respectively, and then segmentation identification is performed; when in live identification, if a signal can be received near the transmitting calipers 4, and when the signal cannot be received or the signal is very small at the site to be identified, the armored shielding layer of the cable to be identified is provided with a grounding point, and the situation can only be carried out in a sectional identification mode at the position where the signal suddenly becomes small or disappears, or after the cable is in power failure, the core wires at the beginning end and the tail end of the cable are grounded, and the core wires are used as a signal loop for identification; after the transmitting host 1 is powered on, the output end can intermittently output pulse high voltage, a human body does not touch the metal parts of the output terminal and the connecting wire, the transmitting wire clamp 5 is connected through the red/black test wire socket 7 in advance, the power is turned on through the switch button 8, and the power is turned off before disconnecting so as to avoid injury to the human body due to electric shock.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a handheld double-purpose cable identification device, includes protection machine case (20), its characterized in that: the protection machine case (20) is internally provided with a transmitting host (1), a receiving host (2), a receiving coil (3), a transmitting caliper (4) and a transmitting wire clamp (5), one side of the top of the transmitting host (1) is rotationally connected with a box cover (21), the other sides of the transmitting host (1) and the box cover (21) are connected in a clamping mode, the transmitting host (1) is electrically connected with the starting end of a cable through the transmitting wire clamp (5), the receiving host (2) is electrically connected with the receiving coil (3), the receiving coil (3) and the transmitting caliper (4) are located on the outer side of the cable, and the transmitting caliper (4) is electrically connected with the transmitting host (1).

2. A hand-held dual-purpose cable identification device according to claim 1, wherein: the LED display device is characterized in that a first LCD display screen (6) is arranged at the top of the transmitting host (1), a red/black test wire socket (7), a switch button (8), a charging jack (9) and a first charging indicator lamp (10) are arranged on one side of the transmitting host (1), and the red/black test wire socket (7) is located above the switch button (8) and the charging jack (9).

3. A hand-held dual-purpose cable identification device according to claim 1, wherein: the utility model discloses a receiver, including receiver (2), transmitter and buzzer, receiver, wherein the receiver (2) top is provided with second LCD display screen (12), function button (13), signal direction pilot lamp (14) and second pilot lamp (15) that charges, receiver (2) one side is provided with earphone socket (11), transmitter (1) pass through earphone socket (11) and receiving coil (3) electric connection, receiver (2) opposite side is provided with charging mouth (16) and buzzer (17).

4. A hand-held dual-purpose cable identification device according to claim 1, wherein: the protection machine case (20) is internally provided with a foam-rubber cushion (18), the top of the foam-rubber cushion (18) corresponds to the transmitting host (1), the receiving host (2), the receiving coil (3), the transmitting calipers (4) and the transmitting wire clamps (5) are provided with grooves, and DC5V chargers (19) are arranged below the transmitting host (1) in the grooves.

5. A hand-held dual-purpose cable identification device according to claim 2, wherein: the display interface content of the first LCD display screen (6) comprises an electric quantity indication (101), an energy storage indication (102), a time axis (103), a loop condition (104), an operation prompt (105), a mode prompt (106) and an interval indication (107).

6. A hand-held dual-purpose cable identification device according to claim 3, wherein: the display interface content of the second LCD display screen (12) comprises a battery indication (201), a gain gear column bar (202), a gain gear indication (203), a signal feature (204) and a signal coordinate axis (205).

7. A hand-held dual-purpose cable identification device according to claim 1, wherein: the protection case (20) is an ABS high-strength protection case.

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