Portable household wire cable intelligent approval device and approval method

Abstract

The invention relates to a portable household cable intelligent approval device and approval method, and belongs to the technical field of household meter line detection.The portable household cable intelligent approval device comprises a detection host, a detection slave and a marking mechanism, the detection slave is in communication connection with the detection host, and the marking mechanism is arranged on one side of the detection host; a marking mechanism is arranged on the detection host, a plurality of input terminals are arranged on the detection host, the input terminals penetrate through the marking mechanism, the input terminals are connected with a user meter outgoing line, a signal generator is arranged on the detection slave, a signal receiver is arranged on the detection host, an output terminal is arranged on the detection slave, and the output terminal is connected with a user wire cable. The device is provided with the detection host machine and the detection slave machine, one person can complete meter box user line detection without cooperation of multiple persons, the detection is convenient and simple, and the detection efficiency is high.

Description

Technical Field

[0001] The invention belongs to the technical field of household meter line detection, and in particular relates to a portable household line cable intelligent verification device and a verification method. Background Art

[0002] When the power supply company is constructing household cables or replacing meter boxes, it needs to confirm and check the downlink lines for each household. Although the household cables are marked, the household line labels are easily damaged or lost during construction, and it is impossible to distinguish the corresponding relationship between the downlink lines for each household. If the wrong downlink line is connected, it will cause user metering errors, leading to unnecessary customer disputes and economic losses to the State Grid Corporation. Therefore, careful verification must be carried out during construction to ensure zero mistakes.

[0003] For example, Chinese patent number CN109142962A discloses a household-meter correspondence detection device, including an on-site verification host and an on-site verification instrument. The on-site verification instrument communicates with the on-site verification host to identify and distinguish household lines. However, since it is necessary to carry the on-site verification instrument to check and detect each household, and multiple people are required to cooperate in the detection, and it is impossible to distinguish and mark the household lines, it is time-consuming and laborious, and the work efficiency is low. Summary of the invention

[0004] To solve the above problems, the technical solution adopted by the present invention is: A portable intelligent verification device for household cables includes a detection host, a detection slave and a marking mechanism. The detection slave is communicatively connected to the detection host, the marking mechanism is arranged on one side of the detection host, the detection host is provided with a plurality of input terminals, the input terminals penetrate the marking mechanism, the input terminals are connected to the head end of the household meter and the household line, the detection slave is provided with a signal generator, the detection host is provided with a signal receiver, the detection slave is provided with an output terminal, and the output terminal is connected to the end of the household meter and the household line.

[0005] According to the above technical solution, it is further preferred that the marking mechanism includes a base, a wire tube, a guide rod and a slider, the base is provided with a plurality of wire grooves, and the number of the wire grooves corresponds to the number of input terminals; the wire tube is sleeved on the input terminal, the wire tube is arranged in the wire groove, the slider is passed through the guide rod, the slider is threadedly connected to the guide rod, and a travel motor is provided on the slider; the travel motor output shaft is connected to the guide rod shaft, an ejection component is provided on the slider, a printing unit is provided at the movable end of the ejection component, the printing unit extends into the wire groove and is abutted against the wire tube, and the travel motor, the printing unit and the ejection component are electrically connected to the detection host respectively.

[0006] Furthermore, the printing unit includes a first rubbing wheel, a second rubbing wheel, a first rotating motor and a second rotating motor, the first rubbing wheel is connected to the output shaft of the first rotating motor, the second rubbing wheel is connected to the output shaft of the second rotating motor, the first rubbing wheel and the second rubbing wheel are respectively provided with heating plates, and the first rotating motor, the second rotating motor and the heating plates are respectively electrically connected to the detection host.

[0007] Furthermore, the first rubbing wheel and the second rubbing wheel are arranged in parallel, the first rubbing wheel is provided with letters L and N, and the second rubbing wheel is provided with numbers 0-9.

[0008] Furthermore, the detection host includes a shell, a button switch, a display screen, a main control board, a communication module and a battery pack, the button switch and the display screen are respectively arranged on the shell, the main control board and the battery pack are respectively arranged in the shell, the button switch and the display screen are respectively electrically connected to the main control board; the display screen is a liquid crystal touch screen; the communication module is a wireless module, the communication module is wirelessly connected to the detection slave, the communication module is electrically connected to the main control board, and the main control board includes a single-chip microcomputer circuit, a memory circuit, an input signal circuit, a signal receiver circuit, a communication module circuit, a power control circuit, a filtering circuit, an amplifying circuit, a detection circuit, a driving circuit circuit, output control circuit; the single-chip computer circuit is used for calculation and control; the input signal circuit is electrically connected to the input terminal, and is used to receive the line detection signal sent by the detection slave; the signal receiver circuit is used to process the detection signal sent by the detection slave; the communication module circuit is connected to the communication module, and is used to receive the wireless signal sent by the detection slave; the power control circuit is electrically connected to the button switch, the display screen and the battery pack respectively; the filtering circuit and the amplifying circuit are used to process the signal received by the input signal circuit; the detection circuit and the driving circuit are used to output the driving signal; the output control circuit is connected to the driving circuit, and is used to drive the marking mechanism to operate.

[0009] Furthermore, the detection slave includes a casing, a start switch, an operation screen, a slave mainboard, a wireless module, a signal generator and a power module, the start switch and the operation screen are respectively arranged on the casing, the slave mainboard, the wireless module, the signal generator and the power module are respectively arranged in the casing, the start switch and the operation screen are respectively electrically connected to the slave mainboard; the operation screen is a liquid crystal touch screen; the wireless module is a LORA wireless module, the wireless module is communicatively connected to the detection host, the wireless module is electrically connected to the slave mainboard, the slave mainboard includes a single-chip microcomputer circuit, a memory circuit, an output signal circuit, a signal generator circuit, a wireless module circuit, and a power module circuit; the single-chip microcomputer circuit is used for calculation and control; the output signal circuit is electrically connected to the output terminal for sending a line detection signal; the signal generator circuit is used to send a line detection signal; the wireless module circuit is connected to the wireless module, and the wireless module is wirelessly connected to the detection host for sending a wireless signal; the power module circuit is electrically connected to the start switch, the operation screen, the signal generator and the power module respectively.

[0010] Furthermore, the signal generator is a square wave signal generator, including a NE555N timer, a resistor R1, a resistor R2, a capacitor C1, and a capacitor C2; C1 is connected to the control voltage CONTROL VOLTAGE pin of the NE555N timer; C2 is connected to the threshold THRESHOLD pin of the NE555N timer, the resistor R2 is respectively connected to the Vcc terminal of the NE555N and the power supply Vcc, and forms a square wave duty cycle modulation circuit with the resistor R1; the output pin OUTPUT will provide a low-frequency square wave signal.

[0011] Furthermore, the ejection component is an electric cylinder.

[0012] Furthermore, the travel motor, the first rotating motor and the second rotating motor are servo motors.

[0013] The present application also provides a portable intelligent approval method for downlink cables, comprising the following steps: Step S1, test preparation, pass several household wires under the meter box through the wire tube in sequence and connect them to the input terminal, and place the wire tube in the wire trough, and correspond the sequence number of the input terminal with the sequence number of the wire trough, control the travel motor, slide the slider to the starting position; detect the LORA wireless connection between the host and the slave; Step S2, digital coding, operating the detection slave on the operation screen, connecting the ends of the two down-line cables of the first user to the output terminals of the detection slave, and defining one of the cables as L0 and the other as N0, and then sending the definition code to the detection host through wireless communication between the detection slave and the detection host, the detection host outputs a printing signal, controls the first rotating motor and the second rotating motor to rotate, and the digital combination of the first rubbing wheel and the second rubbing wheel corresponds to the definition code L0; Step S3, outputting a square wave signal, outputting it to the L0 household line through the signal generator of the detection slave, transmitting the square wave signal to the detection host end through the household line line, and the detection host end determines the household line position of the square wave signal through the input terminal, and the detection host controls the slider to slide to the household line position according to the determined household line position; Step S4, printing numbers, the slider slides to the position of a household line, and the detection host controls the ejection component to eject, and the movable end of the ejection component is provided with a printing unit, the printing unit abuts against the wire tube, and the printing unit is practically velvet-added to heat the printing wheel, and the number L0 is printed on the wire tube to complete the detection and identification of the L0 household line; Step S5, N0 household line detection, after completing the L0 household line detection of step S4, perform N0 digital coding, operate the detection slave on the operation screen, define another line as N0, and then send the definition code to the detection host through the wireless communication between the detection slave and the detection host, the detection host outputs a printing signal, controls the first rotating motor to rotate, and the digital combination composed of the first rubbing wheel and the second rubbing wheel corresponds to the definition code N0; then output a square wave signal to another household line, output it to the N0 household line through the signal generator of the detection slave, and transmit the square wave signal of the household line to the detection host end, the detection host end determines the household line position of the source of the square wave signal through the input terminal, and the detection host controls the slider to slide to the household line position according to the determined household line position, and prints the number N0 on the wire tube at the household line position to complete the N0 household line detection and identification; Step S6, second household line detection, after completing step S5 detection, the two lower household lines of the first household have been detected and marked, and then the two lower household lines of the second household are detected, first L1 digital coding is performed, and the detection slave is operated on the operation screen to define a household line as L1, and the definition code is sent to the detection host through wireless communication between the detection slave and the detection host, and the detection host outputs a printing signal to control the first rotating motor and the second rotating motor to rotate, and the digital combination composed of the first rubbing wheel and the second rubbing wheel corresponds to the definition code L1; a square wave signal is output to the L1 household line, and the signal generator of the detection slave is output to the L1 household line, and the square wave signal is transmitted to the detection host end through the household line. The detection host end determines the source of the square wave signal L1 household line position through the input terminal, and the detection host controls the slider to slide to the household line position according to the determined household line position. , print the number L1 on the wire tube at the position of the household line, and complete the detection and identification of the L1 household line; then perform N1 digital coding, operate the detection slave on the operation screen, define a household line as N1, and send the definition code to the detection host through wireless communication between the detection slave and the detection host, the detection host outputs a printing signal, controls the first rotating motor to rotate, and the digital combination composed of the first rubbing wheel and the second rubbing wheel corresponds to the definition code N1; output a square wave signal to the N1 household line, and the signal generator of the detection slave outputs it to the N1 household line. Through the household line, the square wave signal is transmitted to the detection host end, and the detection host end determines the source of the square wave signal, the N1 household line position, through the input terminal, and the detection host controls the slider to slide to the household line position according to the determined household line position, and prints the number N1 on the wire tube at the household line position to complete the detection and identification of the N1 household line; Step S7, repeat step S6 until all household lines under the meter box are tested.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention provides a portable intelligent verification device for household cables. The device of the present invention is provided with a detection host and a detection slave. It does not require the cooperation of multiple people. A single person can complete the household cable detection under the meter box. The detection is convenient and simple, and the detection efficiency is high.

[0015] 2. The present invention provides a portable intelligent verification device for down-line cables. The device of the present invention is provided with a marking mechanism for distinguishing the down-line cables after detection. After all the down-line cables in the meter box are detected at one time, the meter connection can be carried out, which saves time and effort and has high work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the device of the present invention; Figure 2 This is a schematic diagram of the structure of the detection host of the device of the present invention; Figure 3 This is a schematic diagram of the structure of the detection slave device of the present invention; Figure 4 It is a schematic diagram of the top view of the marking mechanism of the device of the present invention; Figure 5 It is a schematic diagram of the side view structure of the marking mechanism of the device of the present invention; Figure 6 This is a schematic diagram of the structure of the printing unit of the device of the present invention; Figure 7 The schematic diagram of the host circuit of the device of the present invention; Figure 8 The schematic diagram of the slave circuit detection device of the present invention; Fig. 9 This is a circuit schematic diagram of the signal generator of the device of the present invention.

[0017] In the figure: 1. detection host, 11. shell, 12. button switch, 13. display screen, 14. main control board, 15. communication module, 16. battery pack, 2. detection slave, 21. shell, 22. start switch, 23. operation screen, 24. slave main board, 25. wireless module, 26. signal generator, 27. power module, 3. marking mechanism, 31. base, 32. wire tube, 33. guide rod, 34. slider, 35. wire groove, 36. walking motor, 37. printing unit, 371. first rubbing wheel, 372. second rubbing wheel, 373. first rotating motor, 374. second rotating motor, 375. heating plate, 38. ejection component, 4. input terminal, 5. output terminal. DETAILED DESCRIPTION

[0018] In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "first", "second", "middle end" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are relational words determined only for the convenience of describing the structural relationships of the various parts or elements of the present disclosure, and do not specifically refer to any part or element in the present disclosure and should not be understood as limitations on the present disclosure.

[0019] The present invention is further described in detail below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by ordinary technicians in this field without making creative work are within the protection scope of the present invention.

[0020] like Figures 1 to 9As shown, the present invention provides an embodiment of a portable intelligent verification device for household cables, including a detection host 1, a detection slave 2 and a marking mechanism 3. The detection slave 2 and the detection host 1 are connected in communication. In the embodiment of the present invention, LORA wireless communication is adopted between the detection slave 2 and the detection host 1. The detection slave 2 and the detection host 1 are respectively provided with LORA wireless communication modules to establish a handshake connection for transmitting data information. The marking mechanism 3 is arranged on one side of the detection host 1, and the marking mechanism 3 is used to distinguish and mark the corresponding relationship between the household line and the household meter. The detection host 1 is provided with a plurality of input terminals 4, and the input terminals 4 pass through the marking mechanism 3. The input terminals 4 are connected to the head end of the household line of the household meter. The number of household meter outlets corresponds to the number of input terminals 4 one by one. In the embodiment of the present invention, the head end of the household meter household line refers to the outlet end of the user's household meter in the meter box. The detection slave 2 is provided with a signal generator, and the signal generator is used to send a detection signal. The detection signal is transmitted along the household line. The detection slave 2 is connected to the user side of the household line, and the detection host 1 is connected to the meter side of the household line. The detection host 1 is provided with a signal receiver, and the signal receiver is used to receive the detection signal generated by the detection slave 2. The detection slave 2 is provided with an output terminal 5, and the output terminal 5 is connected to the end of the household line of the household meter. In the embodiment of the present invention, the end of the household line of the household meter refers to the end of the household line under the meter box, which is at the connection terminal position of the user's household circuit breaker. In the device of the embodiment of the present invention, a detection host and a detection slave are provided, and there is no need for multiple people to cooperate. A single person can complete the household line detection under the meter box. The detection is convenient and simple, and the detection efficiency is high. The device of the embodiment of the present invention is easy to move and carry, and can be applied to the detection site of the correspondence relationship between multiple household meters and household lines.

[0021] The marking mechanism 3 includes a base 31, a wire tube 32, a guide rod 33 and a slider 34. The base 31 is provided with a plurality of wire slots 35, and the number of the wire slots 35 corresponds to the number of the input terminals 4. In the embodiment of the present invention, the wire tube 32 can be set on the connecting wire of the input terminal 4, or on the lower household wire on the side of the household meter. By printing numbers on the wire tube 32, it is used to distinguish the corresponding relationship between each lower household wire and the user. The wire tube 32 is arranged in the wire slot 35, and the slider 34 is inserted on the guide rod 33. The slider 34 is threadedly connected with the guide rod 33. A travel motor 36 is provided on the slider 34. The output shaft of the travel motor 36 is connected to the guide rod 33 shaft. The travel motor 36 rotates to drive the guide rod 33 to rotate, which is used to control the position of the slider 34. In the embodiment of the present invention, the travel motor 36 can be a stepping motor, or a servo motor, or an angle motor, which are respectively connected to the detection host 1, and are used to control the rotation angle of the travel motor 36 according to the position relationship of the slider 34 by program control. In the embodiment of the present invention, the guide rod 33 and the slider 34 structure can adopt a guide rail module structure, and the linear motion or reciprocating motion of the guide rail module is controlled by a program. The slider 34 is provided with an ejection component 38, and the movable end of the ejection component 38 is provided with a printing unit 37, and the printing unit 37 extends into the wire groove 35 and is connected with the wire tube 32. When it is necessary to print numbers on the wire tube 32 at a certain position, the slider 34 is slid to the wire groove 35 corresponding to the wire tube 32 to control the action of the ejection component 38, so that the printing unit 37 is in contact with the wire tube 32 to print the set coded numbers. The travel motor 36, the printing unit 37 and the ejection component 38 are electrically connected to the detection host 1 respectively. In the embodiment of the present invention, the printing unit 37 can adopt a printing structure for printing, or adopt a laser printer mechanism for printing letters or numbers, or adopt a line marking method for marking different numbers and letters. The laser printing mechanism is complex, expensive, and inconvenient to use. Therefore, the embodiment of the present invention adopts a printing method similar to the printing structure, and adopts a hot stamping mode to stamp letters and numbers on the line tube to distinguish and identify different household lines.

[0022] The printing unit 37 includes a first imprinting wheel 371, a second imprinting wheel 372, a first rotating motor 373 and a second rotating motor 374. The first imprinting wheel 371 is connected to the output shaft of the first rotating motor 373, the second imprinting wheel 372 is connected to the output shaft of the second rotating motor 374, the first rotating motor 373 and the second rotating motor 374 are respectively fixed to the movable end of the ejection component 38, the first imprinting wheel 371 and the second imprinting wheel 372 are respectively connected to the output shafts of the first rotating motor 373 and the second rotating motor 374, and the rotation angle of the first rotating motor 373 and the second motor 374 can be controlled to realize the rotation angle of the first imprinting wheel 371 and the second imprinting wheel 372, which is used to combine into different digital combinations. The first imprinting wheel 371 and the second imprinting wheel 372 are respectively provided with a heating plate 375, and the first rotating motor 373, the second rotating motor 374 and the heating plate 375 are respectively electrically connected to the detection host 1. In the embodiment of the present invention, the first rubbing wheel 371 and the second rubbing wheel 372 are provided with convex rubbing number templates, and the rubbing wheels are heated by the heating sheet 375 to facilitate rubbing numbers on the wire tube 32. The first rubbing wheel 371 and the second rubbing wheel 372 are arranged in parallel, and the letters L and N are arranged on the first rubbing wheel 371. The first rubbing wheel 371 rotates to switch the letters L or N. In the embodiment of the present invention, only one set of letters L and N can be arranged on the first rubbing wheel 371, and the letters L and N are symmetrically arranged on the wheel surface of the first rubbing wheel 371. When the letters L and N need to be switched, the first rubbing wheel 371 needs to be rotated 180 degrees. By the same principle, multiple groups of letters L and N can also be arranged on the first rubbing wheel 371, such as two groups, three groups or four groups. The letters L and N are evenly distributed on the wheel surface of the first rubbing wheel 371 at intervals. When the letters L and N need to be switched, the appropriate rotation angle is selected according to the number of letters. The second rubbing wheel 372 is provided with numbers 0 to 9, and the second rubbing wheel 372 is rotated to switch the numbers 0 to 9. In the embodiment of the present invention, only one group of numbers 0 to 9 can be provided on the second rubbing wheel 372, which are evenly spaced on the wheel surface of the second rubbing wheel 372. When the numbers need to be switched, the second rubbing wheel 372 needs to be rotated by a certain angle. Based on the same principle, multiple groups of numbers 0 to 9 can be provided on the second rubbing wheel 372, which are evenly spaced on the wheel surface of the second rubbing wheel 372. When the numbers need to be switched, the second rubbing wheel 372 is rotated by a suitable angle according to the number of numbers on the second rubbing wheel 372 and the intervals between the numbers. In an embodiment of the present invention, the first rubbing wheel 371 and the second rubbing wheel 372 are combined into a corresponding digital code, such as L0 or N3. Only the letters L and N are set on the first rubbing wheel 371, and ten numbers from 0 to 9 are set on the second rubbing wheel 372. In this way, the first rubbing wheel 371 and the second rubbing wheel 272 can be combined into 10 pairs of combined numbers, which are respectively used to identify the head-end household lines of the meter box.When the number of household wires in the meter box exceeds 10 groups, the device of the embodiment of the present invention can be used first, and 10 groups of household wires can be selected as one group, and the detection and identification are first performed to distinguish them, and then the other household wires that have not been detected and identified are grouped for detection and identification. In the embodiment of the device of the present invention, a marking mechanism is provided to distinguish and mark the detected household wires. After all the household wires in the meter box are detected at one time, the meter wiring is performed, which saves time and effort and has high work efficiency.

[0023] The detection host 1 includes a shell 11, a button switch 12, a display screen 13, a main control board 14, a communication module 15 and a battery pack 16. The button switch 12 and the display screen 13 are respectively arranged on the shell 11, and the main control board 14 and the battery pack 16 are respectively arranged in the shell 11. The button switch 12 and the display screen 13 are electrically connected to the main control board 14 respectively; the display screen 13 is a liquid crystal touch screen; the communication module 15 is a wireless module, and the communication module 15 is wirelessly connected to the detection slave 2, and the communication module 15 is electrically connected to the main control board 14. The main control board 14 includes a single-chip microcomputer circuit, a memory circuit, an input signal circuit, a signal receiver circuit, a communication module 15, and a battery pack 16. Module circuit, power control circuit, filter circuit, amplifier circuit, detection circuit, drive circuit, output control circuit; the single-chip circuit is used for calculation and control, and is the control center of the detection host. It is connected to the detection slave 2 for communication, and is used to receive the digital coding information and detection signal information generated by the detection slave 2, and after processing the digital coding information, the digital coding information is converted to generate digital information and position information, and the digital information and position information are sent to the marking mechanism 3 for detecting and distinguishing the down-line cables; in the embodiment of the present invention, the single-chip microcomputer in the single-chip circuit can be a 51 series single-chip microcomputer, an STC series single-chip microcomputer, or an ARM series single-chip microcomputer. The input signal circuit is electrically connected to the input terminal 4, and is used to receive the line detection signal sent by the detection slave 2; the signal receiver circuit is used to process the detection signal sent by the detection slave 2; the communication module circuit is connected to the communication module 5, and is used to receive the wireless signal sent by the detection slave 2; the power control circuit is electrically connected to the button switch 12, the display screen 13 and the battery pack 16 respectively; the button switch 12 is used to control the start and shut down of the detection host 1. The filtering circuit and the amplifying circuit are used to process the signal received by the input signal circuit; the detecting circuit and the driving circuit are used to output the driving signal; the output control circuit is connected to the driving circuit and is used to drive the marking mechanism 3 to operate.

[0024] The detection slave 2 includes a housing 21, a start switch 22, an operation screen 23, a slave mainboard 24, a wireless module 25, a signal generator 26 and a power module 27. The start switch 22 and the operation screen 23 are respectively arranged on the housing 21, and the slave mainboard 24, the wireless module 25, the signal generator 26 and the power module 27 are respectively arranged in the housing 21. The start switch 22 and the operation screen 23 are respectively electrically connected to the slave mainboard 24; the operation screen 23 is a liquid crystal touch screen; the wireless module 25 is a LORA wireless module , the wireless module 25 is connected to the detection host 1 for communication, the wireless module 25 is electrically connected to the slave mainboard 24, the slave mainboard 24 includes a single-chip circuit, a memory circuit, an output signal circuit, a signal generator circuit, a wireless module circuit, and a power module circuit; the single-chip circuit is used for calculation and control; in the embodiment of the present invention, the single-chip circuit of the detection slave 2 can adopt a single-chip control circuit composed of a 51 series single-chip microcomputer, an STC series single-chip microcomputer, or an ARM series single-chip microcomputer, which is used for the calculation and control of the detection slave 2. The output signal circuit is electrically connected to the output terminal 5 for sending a line detection signal; the signal generator circuit is used to send a line detection signal; the wireless module circuit is connected to the wireless module 25, and the wireless module 25 is wirelessly connected to the detection host 1 for sending a wireless signal; the power module circuit is electrically connected to the start switch 22, the operation screen 23, the signal generator 26, and the power module 27 respectively.

[0025] The signal generator 26 is a square wave signal generator, including a NE555N timer, a resistor R1, a resistor R2, a capacitor C1, and a capacitor C2; C1 is connected to the control voltage CONTROL VOLTAGE pin of the NE555N timer; C2 is connected to the threshold THRESHOLD pin of the NE555N timer, and the resistor R2 is respectively connected to the Vcc terminal of the NE555N and the power supply Vcc, and together with the resistor R1, a square wave duty cycle modulation circuit is formed; the output pin OUTPUT will provide a low-frequency square wave signal. The NE555 timer is a medium-scale integrated circuit with extremely wide application. The circuit is flexible and convenient to use. Only a small amount of external resistor and capacitor components are required to form a monostable, multi-resonant and Schmitt trigger. Therefore, it is widely used in signal generation, conversion, control and detection. Pin 1: external power supply negative pole or ground (GND). Pin 2: TR trigger input. Pin 3: output terminal (OUT or Vo). Pin 4: RD reset terminal, step clear and low level is valid. When connected to a low level, no matter what TR and TH inputs, the circuit always outputs "0". In order for the circuit to work properly, pin 4 should be connected to the power supply. Pin 5: Control voltage terminal CO (or VC). If this terminal is connected to an external voltage, the reference voltage of the two internal comparators can be changed. When this terminal is not used, a 0.01μF capacitor should be connected to ground in series to prevent interference. Pin 6: TH high trigger terminal (threshold input). Pin 7: Discharge terminal. Pin 8: External power supply VCC (VDD).

[0026] The ejection component 38 is an electric cylinder.

[0027] The travel motor 36 , the first rotating motor 373 and the second rotating motor 374 are servo motors.

[0028] The present invention also provides a portable intelligent verification method for downlink cables, comprising the following steps: Step S1, test preparation, pass several household wires under the meter box through the wire tube 32 in sequence and connect them to the input terminal 4, and place the wire tube 32 in the wire groove 35, and correspond the sequence number of the input terminal 4 with the sequence number of the wire groove 35, control the travel motor 36, and slide the slider 34 to the starting position; detect the LORA wireless connection between the host 1 and the slave 2; Step S2, digital coding, operate the detection slave 2 on the operation screen 23, connect the two end of the first user's down-line to the output terminal 5 of the detection slave 2, and define one of the lines as L0, and the other line as N0, and then send the definition code to the detection host 1 through the wireless communication between the detection slave 2 and the detection host 1, and the detection host 1 outputs a printing signal to control the first rotating motor 373 and the second rotating motor 374 to rotate, and the digital combination composed of the first rubbing wheel 371 and the second rubbing wheel 372 corresponds to the definition code L0; Step S3, outputting a square wave signal, outputting it to the L0 household line through the signal generator 26 of the detection slave 2, transmitting the square wave signal to the detection host 1 end through the household line line, and the detection host 1 end determines the household line position of the square wave signal through the input terminal 4, and the detection host 1 controls the slider 34 to slide to the household line position according to the determined household line position; Step S4, printing numbers, the slider 34 slides to the position of a household line, and the detection host 1 controls the ejection component 38 to eject, and the movable end of the ejection component 38 is provided with a printing unit 37, the printing unit 37 is in contact with the wire tube 32, and the printing unit 37 is provided with a heating plate 375 for heating the printing wheel, and the wire tube 32 is printed with the number L0, completing the detection and identification of the L0 household line; Step S5, N0 household line detection, after completing the L0 household line detection of step S4, perform N0 digital coding, operate the detection slave 2 on the operation screen 23, define another line as N0, and then send the definition code to the detection host 1 through the wireless communication between the detection slave 2 and the detection host 1, the detection host 1 outputs a printing signal, controls the first rotating motor 373 to rotate, and the digital combination composed of the first rubbing wheel 371 and the second rubbing wheel 372 corresponds to the definition code N0; then output a square wave signal to another household line, output it to the N0 household line through the signal generator 26 of the detection slave 2, and transmit the household line square wave signal to the detection host 1 end through the household line. The detection host 1 end determines the household line position of the square wave signal through the input terminal 4, and the detection host 1 controls the slider 34 to slide to the household line position according to the determined household line position, and rubs the number N0 on the wire tube 32 at the household line position to complete the N0 household line detection and identification; Step S6, second household line detection, after completing step S5 detection, the two lower household lines of the first household have been detected and marked, and then the two lower household lines of the second household are detected. First, L1 digital coding is performed, and the detection slave 2 is operated on the operation screen 23 to define a household line as L1. Through the wireless communication between the detection slave 2 and the detection host 1, the definition code is sent to the detection host 1, and the detection host 1 outputs a printing signal to control the first rotating motor 373 and the second rotating motor 374 to rotate. The digital combination composed of the first rubbing wheel 371 and the second rubbing wheel 372 corresponds to the definition code L1; a square wave signal is output to the L1 household line, and the signal generator 26 of the detection slave 2 outputs it to the L1 household line. Through the household line, the square wave signal is transmitted to the detection host 1 end, and the detection host 1 end determines the source of the square wave signal L1 household line position through the input terminal 4. The detection host 1 controls the slider 34 to slide to the household line position according to the determined household line position. , print the number L1 on the wire tube 32 at the position of the household line, and complete the detection and identification of the L1 household line; then perform N1 digital coding, operate the detection slave 2 on the operation screen 23, define a household line as N1, and send the definition code to the detection host 1 through the wireless communication between the detection slave 2 and the detection host 1, and the detection host 1 outputs a printing signal to control the rotation of the first rotating motor 373. The digital combination composed of the first rubbing wheel 371 and the second rubbing wheel 372 corresponds to the definition code N1; output a square wave signal to the N1 household line, and the signal generator 26 of the detection slave 2 outputs it to the N1 household line. Through the household line, the square wave signal is transmitted to the detection host 1 end, and the detection host 1 end determines the source of the square wave signal N1 household line position through the input terminal 4. The detection host 1 controls the slider 34 to slide to the household line position according to the determined household line position, and prints the number N1 on the wire tube 32 at the household line position to complete the detection and identification of the N1 household line; Step S7, repeat step S6 until all household lines under the meter box are tested.

[0029] Of course, the above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. A portable intelligent verification device for downlink cables, characterized in that: The invention comprises a detection host (1), a detection slave (2) and a marking mechanism (3), wherein the detection slave (2) and the detection host (1) are communicatively connected, the marking mechanism (3) is arranged on one side of the detection host (1), the detection host (1) is provided with a plurality of input terminals (4), the input terminals (4) penetrate the marking mechanism (3), the input terminals (4) are connected to the head end of the household meter and the household line, the detection slave (2) is provided with a signal generator, the detection host (1) is provided with a signal receiver, the detection slave (2) is provided with an output terminal (5), and the output terminal (5) is connected to the end of the household meter and the household line.

2. A portable intelligent verification device for downlink cable according to claim 1, characterized in that: The marking mechanism (3) comprises a base (31), a wire tube (32), a guide rod (33) and a slider (34); the base (31) is provided with a plurality of wire grooves (35), the number of the wire grooves (35) corresponding to the number of input terminals (4); the wire tube (32) is sleeved on the input terminal (4), the wire tube (32) is arranged in the wire groove (35), the slider (34) is inserted into the guide rod (33), the slider (34) is threadedly connected to the guide rod (33), and the A travel motor (36) is provided on the slider (34); an output shaft of the travel motor (36) is connected to the shaft of the guide rod (33); an ejection component (38) is provided on the slider (34); a printing unit (37) is provided at a movable end of the ejection component (38); the printing unit (37) extends into the wire groove (35) and is abutted against the wire tube (32); the travel motor (36), the printing unit (37) and the ejection component (38) are respectively electrically connected to the detection host (1).

3. A portable intelligent verification device for downlink cable according to claim 2, characterized in that: The printing unit (37) comprises a first imprinting wheel (371), a second imprinting wheel (372), a first rotating motor (373) and a second rotating motor (374); the first imprinting wheel (371) is connected to an output shaft of the first rotating motor (373); the second imprinting wheel (372) is connected to an output shaft of the second rotating motor (374); a heating plate (375) is provided on the first imprinting wheel (371) and the second imprinting wheel (372), respectively; the first rotating motor (373), the second rotating motor (374) and the heating plate (375) are respectively electrically connected to a detection host (1).

4. A portable intelligent verification device for downlink cable according to claim 3, characterized in that: The first rubbing wheel (371) and the second rubbing wheel (372) are arranged in parallel, the first rubbing wheel (371) is provided with letters L and N, and the second rubbing wheel (372) is provided with numbers 0 to 9.

5. A portable intelligent verification device for downlink cable according to claim 1, characterized in that: The detection host (1) comprises a housing (11), a button switch (12), a display screen (13), a main control board (14), a communication module (15) and a battery pack (16); the button switch (12) and the display screen (13) are respectively arranged on the housing (11); the main control board (14) and the battery pack (16) are respectively arranged in the housing (11); the button switch (12) and the display screen (13) are respectively electrically connected to the main control board (14); the display screen (13) is a liquid crystal touch screen; the communication module (15) is a wireless module; the communication module (15) is wirelessly connected to the detection slave (2); the communication module (15) is electrically connected to the main control board (14); the main control board (14) comprises a single-chip microcomputer circuit, a memory circuit, an input signal circuit, a signal receiver circuit, a communication module circuit, a power control circuit, a filtering circuit, an amplifying circuit, a detecting circuit, a driving circuit, and an output control circuit; the single chip microcomputer circuit is used for operation and control; the input signal circuit is electrically connected to the input terminal (4) and is used for receiving a line detection signal sent by the detecting slave (2); the signal receiver circuit is used for processing the detection signal sent by the detecting slave (2); the communication module circuit is connected to the communication module (5) and is used for receiving a wireless signal sent by the detecting slave (2); the power control circuit is electrically connected to the button switch (12), the display screen (13) and the battery pack (16) respectively; the filtering circuit and the amplifying circuit are used for processing the signal received by the input signal circuit; the detecting circuit and the driving circuit are used for outputting a driving signal; and the output control circuit is connected to the driving circuit and is used for driving the marking mechanism (3) to operate.

6. A portable intelligent verification device for downlink cable according to claim 5, characterized in that: The detection slave (2) comprises a housing (21), a start switch (22), an operation screen (23), a slave mainboard (24), a wireless module (25), a signal generator (26) and a power module (27); the start switch (22) and the operation screen (23) are respectively arranged on the housing (21); the slave mainboard (24), the wireless module (25), the signal generator (26) and the power module (27) are respectively arranged in the housing (21); the start switch (22) and the operation screen (23) are respectively electrically connected to the slave mainboard (24); the operation screen (23) is a liquid crystal touch screen; the wireless module (25) is a LORA wireless module; the wireless module (25) is communicatively connected to the detection host (1); The wireless module (25) is electrically connected to the slave mainboard (24), and the slave mainboard (24) includes a single-chip microcomputer circuit, a memory circuit, an output signal circuit, a signal generator circuit, a wireless module circuit, and a power module circuit; the single-chip microcomputer circuit is used for calculation and control; the output signal circuit is electrically connected to the output terminal (5) for sending a line detection signal; the signal generator circuit is used for sending a line detection signal; the wireless module circuit is connected to the wireless module (25), and the wireless module (25) is wirelessly connected to the detection host (1) for sending a wireless signal; the power module circuit is electrically connected to the start switch (22), the operation screen (23), the signal generator (26), and the power module (27), respectively.

7. A portable intelligent verification device for downlink cable according to claim 5, characterized in that: The signal generator (26) is a square wave signal generator, comprising a NE555N timer, a resistor R1, a resistor R2, a capacitor C1, and a capacitor C2; C1 is connected to a control voltage CONTROL VOLTAGE pin of the NE555N timer; C2 is connected to a threshold THRESHOLD pin of the NE555N timer; the resistor R2 is respectively connected to a Vcc terminal of the NE555N and a power supply Vcc, and together with the resistor R1 forms a square wave duty cycle modulation circuit; The output pin OUTPUT will provide a low frequency square wave signal.

8. A portable intelligent verification device for downlink cable according to claim 2, characterized in that: The ejection component (38) is an electric cylinder.

9. A portable intelligent verification device for downlink cable according to claim 3, characterized in that: The travel motor (36), the first rotating motor (373) and the second rotating motor (374) are servo motors.

10. A portable intelligent verification method for downlink cables, characterized in that: The following steps are involved: Step S1, test preparation, passing a plurality of household wires under the meter box through the wire tube (32) in sequence and connecting them to the input terminal (4), placing the wire tube (32) in the wire trough (35), and making the sequence number of the input terminal (4) correspond to the sequence number of the wire trough (35), controlling the travel motor (36) to slide the slider (34) to the starting position; detecting the LORA wireless connection between the host machine (1) and the slave machine (2); Step S2, digital coding, operating the detection slave machine (2) on the operation screen (23), connecting the ends of the two down-line cables of the first user to the output terminal (5) of the detection slave machine (2), defining one of the cables as L0 and the other as N0, and then sending the definition code to the detection host machine (1) through wireless communication between the detection slave machine (2) and the detection host machine (1), the detection host machine (1) outputs a printing signal, controls the first rotating motor (373) and the second rotating motor (374) to rotate, and the digital combination formed by the first rubbing wheel (371) and the second rubbing wheel (372) corresponds to the definition code L0; Step S3, outputting a square wave signal, outputting it to the L0 household line through the signal generator (26) of the detection slave (2), transmitting the square wave signal to the detection host (1) end through the household line line, the detection host (1) end determines the household line position of the square wave signal through the input terminal (4), and the detection host (1) controls the slider (34) to slide to the household line position according to the determined household line position; Step S4, printing numbers, the slider (34) slides to a certain household line position, the detection host (1) then controls the ejection component (38) to eject, the movable end of the ejection component (38) is provided with a printing unit (37), the printing unit (37) is in contact with the wire tube (32), the printing unit (37) is provided with a heating plate (375) for heating the printing wheel, printing the number L0 on the wire tube (32), and completing the detection and identification of the L0 household line; Step S5, N0 household line detection, after completing the L0 household line detection of step S4, N0 digital coding is performed, the detection slave machine (2) is operated on the operation screen (23), another line is defined as N0, and then the definition code is sent to the detection host (1) through wireless communication between the detection slave machine (2) and the detection host (1), and the detection host (1) outputs a printing signal to control the first rotating motor (373) to rotate, and the digital combination of the first rubbing wheel (371) and the second rubbing wheel (372) and the definition code are generated. The square wave signal is output to another household line, and is output to the N0 household line through the signal generator (26) of the detection slave (2), and is transmitted to the detection host (1) end through the household line square wave signal. The detection host (1) end determines the household line position of the square wave signal through the input terminal (4). The detection host (1) controls the slider (34) to slide to the household line position according to the determined household line position, and prints the number N0 on the wire tube (32) at the household line position, thereby completing the detection and identification of the N0 household line; Step S6, second household line detection. After completing step S5 detection, the two lower household lines of the first household have been detected and marked. Then, the two lower household lines of the second household are detected. First, L1 digital coding is performed. The detection slave (2) is operated on the operation screen (23) to define a household line as L1. The definition code is sent to the detection host (1) through wireless communication between the detection slave (2) and the detection host (1). The detection host (1) outputs a printing signal to control the first rotating motor (373) and the second rotating motor (37 4) rotates, the digital combination formed by the first rubbing wheel (371) and the second rubbing wheel (372) corresponds to the defined code L1; outputs a square wave signal to the L1 household line, the signal generator (26) of the detection slave (2) outputs it to the L1 household line, and the square wave signal is transmitted to the detection host (1) end through the household line line. The detection host (1) end determines the location of the L1 household line, which is the source of the square wave signal, through the input terminal (4). The detection host (1) controls the slider (34) to slide to the household line position according to the determined household line position. The number L1 is printed on the wire tube (32) at the location of the household line, and the detection and identification of the L1 household line is completed; then the N1 digital coding is performed, and the detection slave machine (2) is operated on the operation screen (23) to define a household line as N1, and the definition code is sent to the detection host (1) through wireless communication between the detection slave machine (2) and the detection host (1), and the detection host (1) outputs a printing signal to control the rotation of the first rotating motor (373), and the digital combination composed of the first printing wheel (371) and the second printing wheel (372) is Corresponding to the definition code N1; outputting a square wave signal to the N1 household line, the signal generator (26) of the detection slave (2) outputs it to the N1 household line, and the square wave signal is transmitted to the detection host (1) end through the household line line, and the detection host (1) end determines the source of the square wave signal, the position of the N1 household line, through the input terminal (4), and the detection host (1) controls the slider (34) to slide to the household line position according to the determined household line position, and prints the number N1 on the wire tube (32) at the household line position, thereby completing the detection and identification of the N1 household line; Step S7, repeat step S6 until all household lines under the meter box are tested.

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