CN202025058U - Digital display secondary cable core aligner based on wireless technology - Google Patents

Abstract

The utility model discloses a wireless-based digital display secondary cable core alignment instrument, which includes two parts: an active detector and a passive detector, both of which are composed of a wireless transceiver module, a programmable logic control unit, a screen display device, and a signal acquisition device. device and a mobile power supply, when in use, the programmable logic control units in the two detectors are first implanted into the active detection program and the passive detection program, and then the electrical connection signals collected by the signal acquisition device are processed by the active detector. After processing, it will be visually displayed on the screen display device and transmitted to the passive detector by wireless communication. The passive detector will correspond the collected signal with the received signal one by one, visually display it through the screen display device, and set it to collect the cable core The broken signal is specially displayed. The wireless-based digital display secondary cable core alignment instrument of the utility model is based on wireless communication, simple and reliable, and has small volume, low power consumption, intuitive display, accurate inspection, more convenient and quick to use, and can effectively improve secondary cable core alignment. The quality and efficiency of the core-to-core work of secondary cables.

Description

Wireless-based Digital Display Secondary Cable Core Alignment Instrument

technical field

The utility model relates to a cable core wire detector, in particular to a wireless-based digital display secondary cable core aligner.

Background technique

With the continuous increase and update of substation equipment, the number and scale of secondary cable laying in the substation are increasing. Whether it is new substation construction or equipment operation and maintenance, higher requirements are put forward for the stability and reliability of secondary cables. . The key point is how to ensure the accuracy of the cable core wiring at both ends of the secondary cable. The secondary cables in the substation usually contain a large number of cores. For example, the signal circuit has mostly 18*1.5 specifications. Before wiring, it must be accurately detected to find out the correct one-to-one correspondence and mark it correctly.

The usual detection methods are as follows: 1. Multimeter method, that is, first determine one of the common cores, and the staff at one end short-circuit the common core and the selected cable to be determined, and the staff at the other end use a multimeter to test the connection between the common core and the selected cable. Randomly select the cable core until the buzzer of the multimeter sounds, and then the staff at both ends determine the cable core by shouting or calling and mark it at the same time. This method has low work efficiency, is greatly affected by the staff's own factors, and cannot To deal with the breakage in the middle of the cable core; Second, the auxiliary IC circuit tester method is based on the induction circuit and relies on audio technology to realize the secondary cable core wire identification. This method is not intuitive enough and cannot detect the middle of the cable core wire. In the case of fracture, the applied instruments are large in size, high in energy consumption, use more electronic components, have a high failure rate, and are inconvenient to carry, use and maintain.

Therefore, there is a need for a convenient, intuitive and reliable core alignment detector for use by secondary system operators.

Utility model content

In view of this, the utility model provides a wireless-based digital display secondary cable core alignment instrument, which is based on wireless communication, and the equipment is simple and reliable, which not only avoids the failure rate of excessive electronic components and the risk of mutual interference Problems, small size, low energy consumption, easy to carry and use, digital display with LED lights, intuitive and clear, can check the breakage of the cable core wire and display an error message.

The wireless-based digital display secondary cable core alignment instrument of the present utility model includes two parts of an active detector and a passive detector; the active detector includes a programmable logic control unit 1, a signal acquisition device 1, and a screen display device 1 , wireless transceiver module 1 and power supply 1, the output terminal of described signal acquisition device 1 is electrically connected to the input terminal of programmable logic control unit 1; The input terminal of described screen display device 1 and wireless transceiver module 1 is electrically connected respectively In the command output terminal of the programmable logic control unit 1;

The passive detector includes a programmable logic control unit II, a signal acquisition device II, a screen display device II, a wireless transceiver module II and a power supply II, and the output terminal of the signal acquisition device II is electrically connected to the programmable logic control unit II The input terminal of the screen display device II is electrically connected to the command output terminal of the programmable logic control unit II; the output terminal of the wireless transceiver module II is electrically connected to the input terminal of the programmable logic control unit II.

Further, the active detector also includes an integrated circuit board 1 for fixedly connecting the programmable logic control unit 1, the signal acquisition device 1, the screen display device 1, the wireless transceiver module 1 and the power supply 1;

The passive detector also includes an integrated circuit board II for fixedly connecting the programmable logic control unit II, the signal acquisition device II, the screen display device II, the wireless transceiver module II and the power supply II;

Further, the programmable logic control unit I and the programmable logic control unit II are CycloneII series FPGA chips;

Further, both the screen display device I and the screen display device II are LED lights;

Further, both the power supply I and the power supply II are 5V batteries;

Further, the signal acquisition device I includes at least one set of electrically connected wires and a red electrical connection plug; the signal acquisition device II has the same number of electrically connected wires and black electrical connection plugs as the signal acquisition device I.

The beneficial effects of the utility model are: the wireless-based digital display secondary cable core alignment instrument of the utility model is based on wireless communication, simple and reliable, and has small volume, low power consumption, intuitive display, accurate inspection, and easy to use It is more convenient and fast, and can effectively improve the quality and efficiency of the secondary cable core-to-core work.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the structural representation of the utility model.

Detailed ways

Fig. 1 is a schematic structural view of the present utility model, as shown in the figure: the wireless-based digital display secondary cable core alignment instrument of the present embodiment includes two parts of an active detector 1 and a passive detector 2; the active detector 1 includes a programmable logic control unit I 11, a signal acquisition device I 12, a screen display device I 13, a wireless transceiver module I 14 and a power supply I 16, the output end of the signal acquisition device I 12 is electrically connected to the programmable logic control The input end of the unit I 11; the input end of the screen display device I 13 and the wireless transceiver module I 14 are respectively electrically connected to the command output end of the programmable logic control unit I 11;

The passive detector 2 includes a programmable logic control unit II21, a signal acquisition device II22, a screen display device II23, a wireless transceiver module II24 and a power supply II26, and the output terminal of the signal acquisition device II22 is electrically connected to the programmable logic control unit The input end of II21; the input end of the screen display device II23 is electrically connected to the command output end of the programmable logic control unit II21; the output end of the wireless transceiver module II24 is electrically connected to the input end of the programmable logic control unit II21 .

In this embodiment, an active detection program is written in the programmable logic control unit I11; a passive detection program is written in the programmable logic control unit II21.

In the present embodiment, the active detector 1 also includes an integrated circuit for fixedly connecting the programmable logic control unit I 11, the signal acquisition device I 12, the screen display device I 13, the wireless transceiver module I 14 and the power supply I 16 Plate I 15;

Described passive detector 2 also comprises the integrated circuit board II25 that is used to fixedly connect programmable logic control unit II21, signal acquisition device II22, screen display device II23, wireless transceiver module II24 and power supply II26, makes each electronic component of the present utility model The connection is more stable and the structure is more compact.

In the present embodiment, described programmable logic control unit I 11 and programmable logic control unit II 21 all adopt CycloneII series FPGA chips, have cost-effectiveness height, power consumption is low, control is flexible, use the on-chip processor NiosII of FPGA can greatly increase System flexibility, especially for small handheld devices.

In this embodiment, the screen display device I13 and the screen display device II23 both use LED lights for display, with low power consumption and good display effect.

In the present embodiment, described mobile power supply I16 and mobile power supply II26 all adopt 5V battery.

In this embodiment, the signal acquisition device I12 includes at least one set of electrically connected wires and a red electrical connection plug; Electric connection plug.

Connect the electrical connection plugs of the two aligners to the two ends of the tested cable core one-to-one, the LED lights on the active tester will display the sequence of numbers displayed for the successive connection of the cable cores, and start the active test program. The detection signal and digital sequence signal are sent and transmitted to the passive detector by the wireless transceiver module I14, and the passive detection program is started, and the digital sequence signal is received by the wireless transceiver module II24, and then transmitted to the programmable logic control in the form of an electrical signal Unit II21, programmable logic control unit II21 comprehensively processes the digital sequence signal and the electrical signal collected by the signal acquisition device II22, and then visually displays it on the screen display device II23, and displays the undetectable line due to cable core breakage and other reasons. Error prompts are displayed on the corresponding LED lights.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the purpose and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (6)

1. A wireless digital display secondary cable core alignment instrument is characterized in that: it comprises active detector (1) and passive detector (2) two parts; described active detector (1) includes programmable logic Control unit I (11), signal acquisition device I (12), screen display device I (13), wireless transceiver module I (14) and power supply I (16), the output terminal of said signal acquisition device I (12) Electrically connected to the input end of the programmable logic control unit I (11); the input ends of the screen display device I (13) and the wireless transceiver module I (14) are respectively electrically connected to the programmable logic control unit I (11) command output; The passive detector (2) comprises a programmable logic control unit II (21), a signal acquisition device II (22), a screen display device II (23), a wireless transceiver module II (24) and a power supply II (26), The output end of the signal acquisition device II (22) is electrically connected to the input end of the programmable logic control unit II (21); the input end of the screen display device II (23) is electrically connected to the programmable logic control unit II ( 21) command output end; the output end of the wireless transceiver module II (24) is electrically connected to the input end of the programmable logic control unit II (21). 2. the wireless-based digital display secondary cable core alignment instrument according to claim 1, is characterized in that: the active detector (1) also includes a programmable logic control unit 1 (11) for fixed connection, Integrated circuit board 1 (15) of signal acquisition device 1 (12), screen display device 1 (13), wireless transceiver module 1 (14) and power supply 1 (16); The passive detector (2) also includes a programmable logic control unit II (21), a signal acquisition device II (22), a screen display device II (23), a wireless transceiver module II (24) and a power supply for fixed connection. Integrated circuit board II (25) of II (26). 3. The wireless-based digital display secondary cable core aligner according to claim 2, characterized in that: the programmable logic control unit I (11) and the programmable logic control unit II (21) are CycloneII series of FPGA chips. 4. The wireless-based digital display secondary cable core alignment instrument according to claim 3, characterized in that: the screen display device I (13) and the screen display device II (23) are both LED lights. 5. The wireless-based digital display secondary cable core alignment instrument according to claim 4, characterized in that: both the power supply I (16) and the power supply II (26) are 5V batteries. 6. wireless-based digital display secondary cable core aligner according to claim 5, is characterized in that: said signal acquisition device 1 (12) comprises at least one group of electrically connected wires and red electrical connection plug; The above-mentioned signal acquisition device II (22) has the same number of electrically connected wires and black electrical connection plugs as the signal acquisition device I (12).

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