CN109884447A - A kind of cable inspection earthing state auxiliary detection device and method - Google Patents
A kind of cable inspection earthing state auxiliary detection device and method Download PDFInfo
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- CN109884447A CN109884447A CN201910130442.0A CN201910130442A CN109884447A CN 109884447 A CN109884447 A CN 109884447A CN 201910130442 A CN201910130442 A CN 201910130442A CN 109884447 A CN109884447 A CN 109884447A
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- detection device
- circuit board
- insulation shell
- cable inspection
- state auxiliary
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Abstract
The present disclosure proposes a kind of cable inspection earthing state auxiliary detection device and method, described device further includes shell, and the shell is insulation shell, and the insulation shell is rectangular or round;The processor, current detecting unit, voltage detection unit, temperature detecting unit and electric-field sensor are respectively provided on a circuit board;The circuit board is inserted into insulation shell by guide frame.What the above structure of the application realized circuit board and shell facilitates installation, when not using, by circuit board in the way of guide frame in shell, safety and can be well protected circuit board.
Description
Technical field
This disclosure relates to auxiliary repair technical field, more particularly to a kind of cable inspection earthing state auxiliary detection device
And method.
Background technique
Maintenance for power plant's cable grounding state be determine route whether An Quan a necessary detection means, if electric
Cable wiring is undesirable, it will brings great potential safety hazard to people's lives.
There is also problems for cable detecting device in the prior art, for example, in safety, in portability etc.
It cannot meet the requirements.
Summary of the invention
The purpose of this specification embodiment is to provide a kind of cable inspection earthing state auxiliary detection device, the device energy
Enough realize the detection of itself working condition, it is ensured that the safety of device.
This specification embodiment provides a kind of cable inspection earthing state auxiliary detection device, and the detection device includes
Processor, the processor respectively with current detecting unit, voltage detection unit, temperature detecting unit and electric-field sensor phase
Even;
Described device further includes shell, and the shell is insulation shell, and the insulation shell is rectangular or round;
The processor, current detecting unit, voltage detection unit, temperature detecting unit and electric-field sensor are arranged at
On one circuit board;
The circuit board is inserted into insulation shell by guide frame.
Further technical solution, the insulation shell has the accommodation space for accommodating circuit board, in the insulation shell
It is provided with guide groove at least one face, is provided with guide part on a face of the circuit board, the guide part is led with described
It is matched to slot.
What the above structure of the application realized circuit board and shell facilitates installation, when without using when, circuit board is sharp
With guide frame mode in shell, safety and circuit board can be well protected.
When circuit board need using when, circuit board is taken out to the position of setting using guiding device.
Further technical solution, the insulation shell can also be achieved a fixed connection with circuit board by way of clamping.
Further technical solution, the guide part are tuck pointing structure, and the shape of cross section is trapezoidal or triangle.
Further technical solution, the guide groove are recessed structure, and the shape of cross section is trapezoidal or triangle.
Further technical solution is additionally provided with carrying handle on the insulation shell, easy to carry.
Further technical solution is additionally provided with moving structure on one face of the insulation shell, the moving structure packet
Universal wheel structure is included but is not limited to, and the Universal wheel structure can be accommodated in a special receiving universal wheel knot of insulation shell
In the groove of structure.
Further technical solution, the processor are also connected with warning device, when detection numerical value is unsatisfactory for requiring, into
Row alarm.
Further technical solution, display panel and power supply are additionally provided on the insulation shell, and the power supply is circuit
Plate power supply, the display panel are connected with processor, show in real time to data.
Further technical solution, the carrying handle are additionally provided with the groove structure of a receiving operational instrument, this is recessed
Slot structure is provided with adsorption element, and operational instrument is adsorbed in groove structure.
A kind of working method of portable cable inspection earthing state auxiliary detection device, comprising:
Detection device powers on, and starts to work;
Detection device enters self-test state, i.e., its current detecting unit, voltage detection unit and temperature detecting unit are opened
Begin acquisition data, and data collected are transmitted to processor, and processor judges that detection device is according to received data
It is no to be in normal working condition, if data collected are all satisfied the requirement of setting, determine that detection device is in normal
Working condition, otherwise, it is determined that detection device is in abnormal working condition, then the detection device will be unable to carry out detection work
Make;
It is shown for the working condition of detection device;
When abnormality, Realtime Alerts are carried out.
Compared with prior art, the beneficial effect of the disclosure is:
In disclosed technique scheme, that realizes circuit board and shell facilitates installation, when without using when, circuit board is sharp
With guide frame mode in shell, safety and circuit board can be well protected.
It is shown for the working condition of detection device.
Detailed description of the invention
The Figure of description for constituting a part of this disclosure is used to provide further understanding of the disclosure, and the disclosure is shown
Meaning property embodiment and its explanation do not constitute the improper restriction to the disclosure for explaining the disclosure.
Fig. 1 is the frame diagram of the sub- detection device of the embodiment of the present application;
Fig. 2 is the electrical block diagram of the sub- detection device of the embodiment of the present application.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the disclosure.Unless another
It indicates, all technical and scientific terms used herein has usual with disclosure person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the disclosure.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In one embodiment of the disclosure, ginseng as shown in FIGS. 1 and 2, detection device be utilized respectively itself current detecting unit,
The working condition, including operating current, voltage and device of voltage detection unit, temperature detecting unit detection device itself itself institute
The temperature at place, and send data to processor, processor judge whether detection device can be into according to received data
Row work carries out corresponding status display using display unit when meeting the requirement of setting, otherwise, shows failure or exception
State.
The detection device further includes communication module, and the communication module is connected with processor, and the detection device passes through
The communication module is communicated with remote terminal.
Processor is all satisfied with electric current detected, voltage and temperature and is set when judging whether detection device can work
Fixed requirement is primary condition, and when meeting the primary condition, the detection device could start to work.
This specification embodiment provides a kind of cable inspection earthing state auxiliary detection device, and the detection device includes
Processor, the processor respectively with current detecting unit, voltage detection unit, temperature detecting unit and electric-field sensor phase
Even;
Described device further includes shell, and the shell is insulation shell, and the insulation shell is rectangular or round;
The processor, current detecting unit, voltage detection unit, temperature detecting unit and electric-field sensor are arranged at
On one circuit board;
The circuit board is inserted into insulation shell by guide frame.
The insulation shell has the accommodation space for accommodating circuit board, is provided at least one face of the insulation shell
Guide groove is provided with guide part on one face of the circuit board, and the guide part is matched with the guide groove.
What the above structure of the application realized circuit board and shell facilitates installation, when without using when, circuit board is sharp
With guide frame mode in shell, safety and circuit board can be well protected.
When circuit board need using when, circuit board is taken out to the position of setting using guiding device.
In the examples of implementation, the insulation shell can also be achieved a fixed connection with circuit board by way of clamping.
In the examples of implementation, the guide part is tuck pointing structure, and the shape of cross section is trapezoidal or triangle.
In the examples of implementation, the guide groove is recessed structure, and the shape of cross section is trapezoidal or triangle.
Carrying handle is additionally provided on the insulation shell, it is easy to carry.
In the examples of implementation, it is additionally provided with moving structure on a face of the insulation shell, which includes
But it is not limited to Universal wheel structure, and the Universal wheel structure can be accommodated in a special receiving Universal wheel structure of insulation shell
Groove in.
In the examples of implementation, the processor is also connected with warning device, when detection numerical value is unsatisfactory for requiring, carries out
Alarm.
In the examples of implementation, display panel and power supply are additionally provided on the insulation shell, the power supply is circuit board
Power supply, the display panel are connected with processor, show in real time to data.
In the examples of implementation, the carrying handle is additionally provided with the groove structure of a receiving operational instrument, the groove
Structure setting has adsorption element, and operational instrument is adsorbed in groove structure.
Should be in examples of implementation, with continued reference to shown in Fig. 1, the detection device includes processor, the processor difference
It is connected with current detecting unit, voltage detection unit, temperature detecting unit and electric-field sensor.Processor also with warning device phase
Even, warning device is the combination of alarm or light flash equipment or both.Embodiments herein subdivision, which is directed to, to be increased
Physical circuit be described in detail.
Shown in Figure 2 in the examples of implementation, temperature detecting unit includes that the bridge circuit being sequentially connected in series, difference are put
Big circuit and high-pass filter are respectively arranged with temperature sensor on two bridge arms of the bridge circuit, and bridge circuit is for mentioning
Measured temperature signal is taken, and is converted into differential signal and is transmitted to differential amplifier circuit, differential amplifier circuit will be for that will amplify
Amplified signal is simultaneously transmitted to high-pass filter by differential signal, and high-pass filter is used to eliminate the low-frequency disturbance of measured signal
And signal is transmitted to processor by treated.
Voltage detection unit includes resistance pressure-dividing network circuit and subtraction circuit, and resistance pressure-dividing network circuit includes the
One resistance and the second resistance being connected with first resistor, second resistance are in parallel with capacitor, and resistance pressure-dividing network circuit is used for etc.
The decaying measured voltage signal of ratio.
Subtraction circuit includes operational amplifier, and magnetic bead is connected between operational amplifier positive terminal and ground, and operation is put
Big device negative pole end divides two-way, is connected all the way with adjustable resistance, another way is connected with the resistance and condenser network being in parallel, and is in parallel
Resistance and condenser network be connected with operational amplifier output terminal.
Current detecting unit includes sequentially connected accurate current sensing resistance, window comparator circuit and subtraction circuit,
The precision current sensing resistance is connected in tested circuit, and tested equal current proportion is converted to voltage signal;Window comparator
For extracting the voltage differential signal of accurate current sensing resistance, subtraction circuit is used for the decaying of voltage differential signal equal proportion.
In the examples of implementation, detection device the application increases corresponding voltage, electric current and temperature sensing circuit, can
Ensure that the self-test of itself working condition may be implemented in detection device itself, avoids and detected using additional detection device
Drawback, detection circuit are embedded in inside device, are had a style of one's own, so that the detection device itself is more intelligent.
In the examples of implementation, about in the device increased voltage, electric current and temperature circuit detection data it is accurate,
Current detection circuit mainly has accurate current sensing resistance, window comparator, subtraction circuit to constitute.Accurate current sensing resistance is connected on
In tested circuit, tested equal current proportion is converted into voltage signal.Flow measurement electricity is accurately extracted in the effect of window comparator
The voltage differential signal of resistance.The effect of subtraction circuit is by the decaying of voltage differential signal equal proportion, to meet processor simulation
The requirement of sample port, the processor can be DSP processing circuit.
In the examples of implementation, about voltage detecting circuit, which can be with the acquisition measured voltage signal of equal proportion.Together
When, which increases magnetic bead element, and the High-frequency Interference in tested circuit can be filtered out with aftereffect, improves measurement accuracy.
In the examples of implementation, when temperature, voltage, electric current break down, alarm signal can be timely issued, is passed through
Warning device and Computer display are alarmed, and relevant operation maintenance personnel is notified to carry out troubleshooting in time.
Another embodiment of the present disclosure also discloses a kind of portable cable inspection earthing state auxiliary detection device
Working method, comprising:
Detection device powers on, and starts to work;
Detection device enters self-test state, i.e., its current detecting unit, voltage detection unit and temperature detecting unit are opened
Begin acquisition data, and data collected are transmitted to processor, and processor judges that detection device is according to received data
It is no to be in normal working condition, if data collected are all satisfied the requirement of setting, determine that detection device is in normal
Working condition, otherwise, it is determined that detection device is in abnormal working condition, then the detection device will be unable to carry out detection work
Make;
It is shown for the working condition of detection device.
It is understood that in the description of this specification, reference term " embodiment ", " another embodiment ", " other
The description of embodiment " or " first embodiment~N embodiment " etc. means specific spy described in conjunction with this embodiment or example
Sign, structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned
The schematic representation of term may not refer to the same embodiment or example.Moreover, the specific features of description, structure, material
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
The foregoing is merely preferred embodiment of the present disclosure, are not limited to the disclosure, for the skill of this field
For art personnel, the disclosure can have various modifications and variations.It is all within the spirit and principle of the disclosure, it is made any to repair
Change, equivalent replacement, improvement etc., should be included within the protection scope of the disclosure.
Claims (10)
1. a kind of cable inspection earthing state auxiliary detection device, characterized in that the detection device includes processor, the place
Reason device is connected with current detecting unit, voltage detection unit, temperature detecting unit and electric-field sensor respectively;
Described device further includes shell, and the shell is insulation shell, and the insulation shell is rectangular or round;
The processor, current detecting unit, voltage detection unit, temperature detecting unit and electric-field sensor are arranged at one
On circuit board;
The circuit board is inserted into insulation shell by guide frame.
2. a kind of cable inspection earthing state auxiliary detection device as described in claim 1, characterized in that the insulation shell
With the accommodation space for accommodating circuit board, guide groove is provided at least one face of the insulation shell, the circuit board
Guide part is provided on one face, the guide part is matched with the guide groove.
3. a kind of cable inspection earthing state auxiliary detection device as described in claim 1, characterized in that the insulation shell
It can also be achieved a fixed connection by way of clamping with circuit board.
4. a kind of cable inspection earthing state auxiliary detection device as claimed in claim 2, characterized in that the guide part is
Tuck pointing structure, the shape of cross section are trapezoidal or triangle;
The guide groove is recessed structure, and the shape of cross section is trapezoidal or triangle.
5. a kind of cable inspection earthing state auxiliary detection device as described in claim 1, characterized in that the insulation shell
On be additionally provided with carrying handle, it is easy to carry.
6. a kind of cable inspection earthing state auxiliary detection device as described in claim 1, characterized in that the insulation shell
A face on be additionally provided with moving structure, the moving structure include but is not limited to be Universal wheel structure, and the universal wheel knot
Structure can be accommodated in a special groove for accommodating Universal wheel structure of insulation shell.
7. a kind of cable inspection earthing state auxiliary detection device as described in claim 1, characterized in that the processor is also
It is connected with warning device, when detection numerical value is unsatisfactory for requiring, alarms.
8. a kind of cable inspection earthing state auxiliary detection device as described in claim 1, characterized in that the insulation shell
On be additionally provided with display panel and power supply, the power supply is circuit board power supply, and the display panel is connected with processor, real-time right
Data are shown.
9. a kind of cable inspection earthing state auxiliary detection device as claimed in claim 5, characterized in that the carrying handle
It is additionally provided with the groove structure of a receiving operational instrument, which is provided with adsorption element, operational instrument is adsorbed on
In groove structure.
10. a kind of working method of portable cable inspection earthing state auxiliary detection device, characterized in that include:
Detection device powers on, and starts to work;
Detection device enters self-test state, i.e., its current detecting unit, voltage detection unit and temperature detecting unit start to adopt
Collect data, and data collected are transmitted to processor, processor judges whether detection device is located according to received data
In normal working condition, if data collected are all satisfied the requirement of setting, determine that detection device is in normal work
State, otherwise, it is determined that detection device is in abnormal working condition, then the detection device will be unable to carry out detection work;
It is shown for the working condition of detection device;
When abnormality, Realtime Alerts are carried out.
Priority Applications (1)
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CN201910130442.0A CN109884447A (en) | 2019-02-21 | 2019-02-21 | A kind of cable inspection earthing state auxiliary detection device and method |
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CN201910130442.0A CN109884447A (en) | 2019-02-21 | 2019-02-21 | A kind of cable inspection earthing state auxiliary detection device and method |
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CN201910130442.0A Pending CN109884447A (en) | 2019-02-21 | 2019-02-21 | A kind of cable inspection earthing state auxiliary detection device and method |
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Citations (6)
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CN102882069A (en) * | 2011-07-15 | 2013-01-16 | 索尼爱立信移动通讯有限公司 | Circuit board connector and connecting method of circuit board |
CN102901908A (en) * | 2012-09-15 | 2013-01-30 | 国家电网公司 | Cable operation information monitoring system and implement method thereof |
CN203136329U (en) * | 2013-02-25 | 2013-08-14 | 雅达电子国际有限公司 | Printed circuit board assembly and adapter and charger including the printed circuit board assembly |
CN204330025U (en) * | 2015-01-21 | 2015-05-13 | 重庆大学 | Overground cable security of operation online monitoring system |
CN105116296A (en) * | 2015-10-12 | 2015-12-02 | 国家电网公司 | Special fault indicator for high-voltage power transmission network cable line |
CN207096357U (en) * | 2017-07-24 | 2018-03-13 | 国网安徽省电力公司物资公司 | A kind of high-tension cable operating state monitoring system |
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2019
- 2019-02-21 CN CN201910130442.0A patent/CN109884447A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102882069A (en) * | 2011-07-15 | 2013-01-16 | 索尼爱立信移动通讯有限公司 | Circuit board connector and connecting method of circuit board |
CN102901908A (en) * | 2012-09-15 | 2013-01-30 | 国家电网公司 | Cable operation information monitoring system and implement method thereof |
CN203136329U (en) * | 2013-02-25 | 2013-08-14 | 雅达电子国际有限公司 | Printed circuit board assembly and adapter and charger including the printed circuit board assembly |
CN204330025U (en) * | 2015-01-21 | 2015-05-13 | 重庆大学 | Overground cable security of operation online monitoring system |
CN105116296A (en) * | 2015-10-12 | 2015-12-02 | 国家电网公司 | Special fault indicator for high-voltage power transmission network cable line |
CN207096357U (en) * | 2017-07-24 | 2018-03-13 | 国网安徽省电力公司物资公司 | A kind of high-tension cable operating state monitoring system |
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Application publication date: 20190614 |