CN209279874U - A kind of online cable length measuring instrument - Google Patents
A kind of online cable length measuring instrument Download PDFInfo
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- CN209279874U CN209279874U CN201821579459.1U CN201821579459U CN209279874U CN 209279874 U CN209279874 U CN 209279874U CN 201821579459 U CN201821579459 U CN 201821579459U CN 209279874 U CN209279874 U CN 209279874U
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- cable
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- proximal
- module
- measuring instrument
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Abstract
The utility model discloses a kind of online cable length measuring instruments of technical field of electric equipment, including master controller, far-end measuring module, proximal measurement module, master controller is arranged in proximal measurement module, master controller is connect with the far-end measuring module for measuring distal end cable information, master controller is connected with the proximal measurement module for measuring proximal end cable information, it is also connected on master controller for the control input module of input cable property parameters and the display unit for showing cable information that master controller is calculated, master controller is according to distal end cable information, proximal end cable information, cable property parameters calculate cable information；The utility model realizes the length of on-line measurement power cable under conditions of obtaining cross-section of cable product, achievees the purpose that reduce the interruption of power supply time, reduces difficulty of construction, saves construction cost and improve maintenance quality.
Description
Technical field
The utility model relates to technical field of electric equipment more particularly to a kind of online cable length measuring instruments.
Background technique
When being updated transformation to the power supply system for communications, when the existing power cable that reuses as far as possible is for reducing power failure
Between, save cable investment, reduce difficulty of construction be of great significance.The length of power cable currently in use is accurately measured,
It is the key that judge whether original power cable can reuse to use one of factor.On the other hand, for the maintenance of the power supply system for communications
For, if the length of power cable can be measured accurately, voltage drop can be made to maintain reasonable interval by increasing and decreasing load.Therefore,
The length that power cable is detected under not outage condition is very big in the effect of power supply field of engineering technology.
It is by consulting completion information and on the spot currently, not measuring the main method of power cable length under outage condition
The factors such as accuracy, cable distribution routed environment of the method for completion information and field survey by completion information are consulted in measurement
Limitation, accuracy are poor.And the method calculated according to power cable voltage difference of the two ends, it is difficult to realize the synchronization on space-time,
It is taken a substantial amount of time and manpower to improve accuracy needs.Therefore, it there is no corresponding product that can accurately survey online at present
Measure cable length.
Utility model content
Purpose of the utility model is to solve the deficiencies in the prior art, a kind of online cable of proposition is long
Spend measuring instrument.
The utility model adopts the following technical solution:
A kind of online cable length measuring instrument, including master controller, far-end measuring module, proximal measurement module, it is described
Master controller is arranged in the proximal measurement module, the master controller with for measuring distal end cable current, voltage parameter
The far-end measuring module communication connection, the master controller be used for measure proximal end cable current, voltage parameter it is described
Proximal measurement module communicates to connect, and also communication connection has for cables such as input section product, material, insulation on the master controller
The control input module of property parameters is also electrically connected with for showing that the master controller is calculated on the master controller
Cable information display unit, the distal end cable current and distal end that the master controller is measured according to the far-end measuring module
Voltage cable parameter, the proximal end cable current of proximal measurement module measurement and distal end voltage cable parameter, the control are defeated
Enter the cables property parameters such as sectional area, material, the insulation of module input and calculates cable information.
Preferably, the proximal measurement module includes near end signal collector, near end signal line jack, proximal end A/D
Converter, the near end signal collector are used to measure electric current, the voltage parameter of proximal end cable, are inserted by the near end signal
Hole, proximal end A/D converter output phase answer telecommunication signal, the electrical letter exported by the near end signal jack, proximal end A/D converter
Number by wired or wireless signal transmission in a manner of be transported to the master controller.
Preferably, the far-end measuring module includes remote signaling collector, remote signaling line jack, distal end A/D
Converter, the remote signaling collector are used to measure electric current, the voltage parameter of distal end cable, are inserted by the remote signaling
Hole, distal end A/D converter output phase electrotropism signal.
Preferably, the far-end measuring module further includes wireless signal transmission unit, the master controller include with
The corresponding reception of wireless signals unit of wireless signal transmission unit is exported by the remote signaling jack, distal end A/D converter
Electrical signals are sent to the reception of wireless signals unit by wireless signal transmission unit, finally by reception of wireless signals unit
It is transmitted to the master controller.
Preferably, the master controller is Digital Circuit Control device, using singlechip controller, programmable logic control
One of device processed, SOC integrated circuit controller.
Preferably, the control input module supports model selection, digit input function.
Preferably, the display unit uses LED or LCD electronic console.
Preferably, the remote signaling collector and the near end signal collector use open type mutual inductor.
Preferably, the distal end A/D converter and the proximal end A/D converter are converted using 12 or more A/D
Device.
Preferably, the wireless signal transmission unit, reception of wireless signals unit are using in GSM, LTE, NB-IoT
A kind of mode transmit, using real-time Transmission operating mode.
Compared with prior art, the beneficial effects of the utility model have:
Firstly, cover remote signaling collector on each core wire of tested cable in the distal end of tested power cable, and
So that far-end measuring module is in normal operating conditions, sends electric current, the voltage data that distal end measures to master controller；Then, exist
The proximal end of tested power cable covers near end signal collector on each core wire of tested cable, and makes at proximal measurement module
Under normal operating conditions, electric current, the voltage data that proximal end measures are sent to master controller；By controlling input module for cable
The property parameters such as sectional area, material and insulation be input to master controller, surveyed by master controller according to the far-end measuring module
The distal end cable current and distal end voltage cable parameter of amount, the proximal end cable current of proximal measurement module measurement and distal end electricity
The cables property parameters such as sectional area, material, the insulation that cable voltage parameter, the control input module input calculate the length of cable
Information is shown finally by the cable information that display unit is calculated, and can also be looked by control input device selection
It sees tested cable length, completes the measurement work of multi-cable.
The utility model realizes the length of on-line measurement power cable under conditions of known cable sectional area, is power supply
The transformation of engineering power cable, the maintenance of power-supply system power cable provide important basic data, reach reduce the interruption of power supply time,
Difficulty of construction is reduced, construction cost is saved and improves the purpose of maintenance quality.
Detailed description of the invention
Fig. 1 is the working principle frame diagram of the utility model.
Fig. 2 is the internal structure schematic diagram of the utility model.
In attached drawing, 1: proximal measurement module, 11: near end signal collector, 12: near end signal line jack, 13: proximal end
A/D converter, 2: far-end measuring module, 21: remote signaling collector, 22: remote signaling line jack, 23: distal end A/D turns
Parallel operation, 24: wireless signal transmission unit, 3: master controller, 31: control input module, 32: display unit, 33: wireless
Signal receiving unit.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
As shown in attached drawing 1-2, a kind of online cable length measuring instrument, including it is master controller 3, far-end measuring module 2, close
Measurement module 1 is held, the master controller 3 is arranged in the proximal measurement module 1, and the master controller 3 is remote with for measuring
The far-end measuring module 2 communication connection of end cable electric current, voltage parameter, the master controller 3 with for measuring proximal end electricity
The proximal measurement module 1 communication connection of cable electric current, voltage parameter, also communication connection has for defeated on the master controller 3
Enter the control input module 31 of the cables property parameters such as sectional area, material, insulation, is also electrically connected with use on the master controller 3
In the display unit 32 for the cable information that the display master controller 3 is calculated, the master controller 3 is according to the distal end
The proximal end cable of distal end cable current and distal end voltage cable parameter, the proximal measurement module 1 measurement that measurement module 2 measures
The cables property parameters such as sectional area, material, the insulation that electric current and distal end voltage cable parameter, the control input module 31 input
Calculate cable information.The master controller 3 be Digital Circuit Control device, using singlechip controller, programmable logic controller (PLC),
One of SOC integrated circuit controller；The control input module 31 supports model selection, digit input function, the control
Input module 31 processed should have suitable key and noiseproof circuit；The display unit 32 uses LED or LCD electronic console.
The proximal measurement module 1 includes near end signal collector 11, near end signal line jack 12, proximal end A/D converter
13, the near end signal collector 11 is used to measure electric current, the voltage parameter of proximal end cable, passes through the near end signal jack
12, A/D converter 13 output phase in proximal end answers telecommunication signal, is exported by the near end signal jack 12, proximal end A/D converter 13
Electrical signals are transported to the master controller 3 in such a way that wired or wireless signal transmits.The near end signal collector 11 is adopted
With high-precision, jamproof open type mutual inductor；The proximal end A/D converter 13 is converted using 12 or more high-precision A/D
Device, the proximal end A/D converter 13 configure necessary driving circuit, to guarantee to be received and located by wireless signal transmission unit 24
Reason.
The far-end measuring module 2 includes remote signaling collector 21, remote signaling line jack 22, distal end A/D converter
23, the remote signaling collector 21 is used to measure electric current, the voltage parameter of distal end cable, passes through the remote signaling jack
22,23 output phase electrotropism signal of distal end A/D converter, is exported by the remote signaling jack 22, distal end A/D converter 23
Electrical signals the reception of wireless signals unit 33 is sent to by wireless signal transmission unit 24, finally connect by wireless signal
It receives unit 33 and is transmitted to the master controller 3.The remote signaling collector 21 is using high-precision, jamproof open type mutual inductance
Device；For the distal end A/D converter 23 using 12 or more high-precision a/d converters, the configuration of distal end A/D converter 23 must
The driving circuit wanted, to guarantee to be received and handled by wireless signal transmission unit 24.
The far-end measuring module 2 further includes wireless signal transmission unit 24, and the master controller 3 includes and wireless signal
The corresponding reception of wireless signals unit 33 of transmission unit 24, is exported by the remote signaling jack 22, distal end A/D converter 23
Electrical signals are sent to the reception of wireless signals unit 33 by wireless signal transmission unit 24, finally by reception of wireless signals
Unit 33 is transmitted to the master controller 3.The wireless signal transmission unit 24 is using the side one of GSM, LTE, NB-IoT
Formula transmission, using real-time Transmission operating mode.
The step of the utility model on-line measurement cable length are as follows: firstly, believing distal end in the distal end of tested power cable
21 sets of number collector on each core wire of tested cable, and make far-end measuring module 2 be in normal operating conditions, to main control
Device 3 sends electric current, the voltage data that distal end measures；Then, in the proximal end of tested power cable by 11 sets of near end signal collector
It on each core wire of tested cable, and is in proximal measurement module 1 under normal operating conditions, is sent closely to master controller 3
Hold electric current, the voltage data measured；It is by control input module 31 that the property parameters such as the sectional area of cable, material and insulation are defeated
Enter to master controller 3, the distal end cable current and distal end cable electricity measured by master controller 3 according to the far-end measuring module 2
Press the proximal end cable current and distal end voltage cable parameter, the control input module of parameter, the proximal measurement module 1 measurement
The cables property parameters such as sectional area, material, the insulation of 31 inputs calculate the length information of cable, finally by 32 institute of display unit
The cable information being calculated is shown, can also be checked tested cable length by control input device selection, be completed more
The measurement work of cable.
The utility model realizes the length of on-line measurement power cable under conditions of known cable sectional area, is power supply
The transformation of engineering power cable, the maintenance of power-supply system power cable provide important basic data, reach reduce the interruption of power supply time,
Difficulty of construction is reduced, construction cost is saved and improves the purpose of maintenance quality.
More than, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, according to the utility model
Technical solution and its utility model design be subject to equivalent substitution or change, should all cover the protection scope of the utility model it
It is interior.
Claims (10)
1. a kind of online cable length measuring instrument, it is characterised in that: including master controller, far-end measuring module, proximal measurement
Module, the master controller are arranged in the proximal measurement module, the master controller with for measuring distal end cable information
Far-end measuring module connection, the master controller be used to measure the proximal measurement module phase of proximal end cable information
It connects, is also connected on the master controller for the control input module of input cable property parameters and for showing the master
The display unit for the cable information that controller is calculated, the master controller are believed according to distal end cable information, proximal end cable
Breath, cable property parameters calculate cable information.
2. a kind of online cable length measuring instrument according to claim 1, which is characterized in that the proximal measurement module
Including near end signal collector, near end signal line jack, proximal end A/D converter, the near end signal collector is close for measuring
Electric current, the voltage parameter of end cable answer telecommunication signal by the near end signal jack, proximal end A/D converter output phase, by institute
State near end signal jack, the telecommunication signal of proximal end A/D converter output is transported to institute in a manner of the transmission of wired or wireless signal
State master controller.
3. a kind of online cable length measuring instrument according to claim 2, which is characterized in that the far-end measuring module
Including remote signaling collector, remote signaling line jack, distal end A/D converter, the remote signaling collector is remote for measuring
Electric current, the voltage parameter of end cable answer telecommunication signal by the remote signaling jack, distal end A/D converter output phase.
4. a kind of online cable length measuring instrument according to claim 3, which is characterized in that the far-end measuring module
It further include wireless signal transmission unit, the master controller includes reception of wireless signals list corresponding with wireless signal transmission unit
Member is sent to institute by wireless signal transmission unit by the telecommunication signal that the remote signaling jack, distal end A/D converter export
Reception of wireless signals unit is stated, the master controller is finally transmitted to by reception of wireless signals unit.
5. a kind of online cable length measuring instrument according to claim 1-4, which is characterized in that the master control
Device processed is Digital Circuit Control device, using in singlechip controller, programmable logic controller (PLC), SOC integrated circuit controller
It is a kind of.
6. a kind of online cable length measuring instrument according to claim 5, which is characterized in that the control input module
Support model selection, digit input function.
7. a kind of online cable length measuring instrument according to claim 6, which is characterized in that the display unit uses
LED or LCD electronic console.
8. a kind of online cable length measuring instrument according to claim 4, which is characterized in that the remote signaling acquisition
Device and the near end signal collector use open type mutual inductor.
9. a kind of online cable length measuring instrument according to claim 8, which is characterized in that the distal end A/D conversion
Device and the proximal end A/D converter use 12 or more A/D converters.
10. a kind of online cable length measuring instrument according to claim 9, which is characterized in that the wireless signal hair
Unit, reception of wireless signals unit is sent to transmit using one of GSM, LTE, NB-IoT mode, using real-time Transmission Working mould
Formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821579459.1U CN209279874U (en) | 2018-09-28 | 2018-09-28 | A kind of online cable length measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821579459.1U CN209279874U (en) | 2018-09-28 | 2018-09-28 | A kind of online cable length measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209279874U true CN209279874U (en) | 2019-08-20 |
Family
ID=67603719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821579459.1U Active CN209279874U (en) | 2018-09-28 | 2018-09-28 | A kind of online cable length measuring instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN209279874U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432587A (en) * | 2020-09-22 | 2021-03-02 | 国网江西省电力有限公司电力科学研究院 | Method for judging length section of whole-disc cable conductor |
| CN113267116A (en) * | 2021-04-15 | 2021-08-17 | 江苏省电力试验研究院有限公司 | System and method for measuring length of coiled cable |
-
2018
- 2018-09-28 CN CN201821579459.1U patent/CN209279874U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112432587A (en) * | 2020-09-22 | 2021-03-02 | 国网江西省电力有限公司电力科学研究院 | Method for judging length section of whole-disc cable conductor |
| CN113267116A (en) * | 2021-04-15 | 2021-08-17 | 江苏省电力试验研究院有限公司 | System and method for measuring length of coiled cable |
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