CN110389274A - A kind of portable automatic insulation detection device - Google Patents
A kind of portable automatic insulation detection device Download PDFInfo
- Publication number
- CN110389274A CN110389274A CN201910396298.5A CN201910396298A CN110389274A CN 110389274 A CN110389274 A CN 110389274A CN 201910396298 A CN201910396298 A CN 201910396298A CN 110389274 A CN110389274 A CN 110389274A
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- CN
- China
- Prior art keywords
- relay module
- relay
- module
- processor unit
- test
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
Abstract
The invention discloses a kind of portable automatic insulation detection devices, comprising: processor unit (1), power module (2), relay module a (3), relay module b (4), relay module c (5), relay module d (6), AD sample circuit (7) and instrument panel (8).Detection device size Control is within 400mm × 400mm × 300mm；After instrument panel (8) is connected to test assignment, processor unit (1) instructs power module (2) sending test voltage and exports to each relay module, insulated paths test point to be measured is output to sample circuit (7) simultaneously, sample circuit (7) exports after multilevel signal is handled to A/D converter, processor unit (1) reads sampled result, outputs test result after conversion in instrument panel (8).Device built-in rechargeable battery is independent current source, has open air and uses function.
Description
Technical field
The present invention relates to a kind of electrical equipment detection device, especially a kind of portable automatic insulation detection device.
Background technique
Cable and large scale electronic equipment troubleshooting, reprocess with quality check when, it is often necessary to carry out access detection, insulation resistance
Detection and dielectric strength detection.Currently, selecting IPTS-01 insulation, breakdown testboard and CH2 cable tester to cable and large size
Electronic equipment is detected.
IPTS-01 insulation breakdown testboard is by built-in insulation table, 120 band switches, common 5 kinds of connectors, transformations
Device and rectification circuit composition.Insulating point is chosen by selecting band switch, has insulation resistance detection and dielectric strength inspection
It surveys, will test as the result is shown by built-in insulation table on display screen, but equipment size is larger, volume is about
667mm × 667mm × 500mm, weight be 30 kilograms or so, when in use must external AC power source can just make
With, extremely inconvenient carrying, and detection is greatly reduced for this working method by choosing insulating point to band switch
Efficiency.
CH2 cable tester is integrated detection device, is made of external notebook, relay and common connector, is examined
Survey efficiency than relatively high, insulating point is chosen by software on external notebook, can disposably by the access of equipment under test,
Insulation, the disposable detection of anti-electricity, but CH2 cable tester size is bigger, volume is about 600mm × 600mm × 1200mm,
Weight be 50 kilograms or so, when in use must external AC power source could use, extremely inconvenient carrying.
Summary of the invention
It is an object of that present invention to provide a kind of portable automatic insulation detection devices, and it is low, inconvenient to solve detection efficiency
The problem of carrying.
A kind of portable automatic insulation detection device, comprising: casing, processor unit, power module, AD sampling electricity
Road, relay module a, relay module b, relay module c, relay module d and instrument panel.Processor unit, power supply
Module, AD sample circuit, relay module a, relay module b, relay module c and relay module d are placed in casing, instrument
Device panel is placed in casing front panel, constitutes megger test concatenation unit, and processor unit, power module and sample circuit are logical
Mother daughter board connector connection is crossed, Insulation Resistance Tester concatenation unit is furnished with USB interface and network interface.Processor unit and relay mould
It is communicated between block by cpci bus, processor unit is communicated with instrument panel and power module by GPIO general-purpose interface.Just
Taking formula automation insulation detection device includes n megger test concatenation unit.The relay module a, relay module
B, the equal structure of relay module c and relay module d is identical, i.e., includes 80 relays, every two in each relay module
Relay is one group, and one is to open, and one is to close.
The casing is aluminum cuboid, size are as follows: long 300mm~500mm, wide 300mm~500mm, high 200mm~
400mm。
The function of processor unit are as follows: using Intel ATOMN2600 as control core, realize data/address bus between each module
It is connect with the hardware of address bus, while receiving Intel ATOMN2600 is the control command of controller input, parameter sum number
According to.
The function of power module are as follows: alternating voltage and DC voltage are provided, by process control realize 0~1250VAC it
Between adjusting and 0~500VDC between adjusting, providing 24V voltage is that all modules are powered, while connecting battery capacity
It has been shown that, user can be visually seen the remaining battery state of detection device.
Relay module a~relay module d function is identical, are as follows: after receiving voltage signal, drives relay work
Make, only drive two relays every time, every two relay controls a test point.80 relays are shared on relay module a
Device, each relay module at most can detect 40 test points, and a megger test concatenation unit is at most 160 detectable
Test point.
AD sample circuit function are as follows: test point to be measured is output to AD and is adopted by relay module a~relay module d
Sample circuit, AD sample circuit pass through signal processing output data, information data are conveyed to Intel ATOMN2600 processor.
Processor reads sampled result, utilizes formula
Output test result after conversion.
After system starting, processor unit issues test voltage output order to power module, and test voltage is output to
The test point of insulated paths to be measured is output to relay module a, relay module b, relay by AD sample circuit, AD sample circuit
Device module c and relay module d.AD sample circuit exports after multilevel signal is handled to processor unit, processor unit
Sampled result, output test result after conversion are read, testing result is shown on instrument panel.
The present invention improves detection efficiency, lightweight and convenient carrying.
Detailed description of the invention
A kind of portable automatic insulation detection device composition schematic diagram of Fig. 1.
1. 4. relay module b of processor unit 2. power module, 3. relay module a, 5. relay module c
6. 8. instrument panel of relay module d 7.AD sample circuit
Specific embodiment
A kind of portable automatic insulation detection device, comprising: casing, processor unit 1, power module 2, AD sampling electricity
Road 7, relay module a3, relay module b4, relay module c5, relay module d6 and instrument panel 8.Processor unit
1, power module 2, AD sample circuit 7, relay module a3, relay module b4, relay module c5 and relay module d6
It is placed in casing, instrument panel 8 is placed in casing front panel, constitutes megger test concatenation unit, processor unit 1, power supply
Module 2 and sample circuit 7 are connected by mother daughter board connector, and Insulation Resistance Tester concatenation unit is furnished with USB interface and network interface.Place
Pass through cpci bus between reason device unit 1 and relay module a3, relay module b4, relay module c5 and relay module d6
Communication, processor unit 1 are communicated with instrument panel 8 and power module 2 by GPIO general-purpose interface.Portable automatic insulation
Detection device includes 2 megger test concatenation units.The relay module a3, relay module b4, relay module
C5 is identical with the equal structure of relay module d6, i.e., includes 80 relays in each relay module, and every two relay is one
Group, one is to open, and one is to close.
Instruction is inputted using embedded software and 10 operating system of windows, by 1 information processing of processor unit,
The work of power module 2,7 data reduction of AD sample circuit, relay work, resistance value and leakage current value.
The function of processor unit 1 is to realize data/address bus between each module using Intel ATOMN2600 as control core
It is connect with the hardware of address bus, while receiving Intel ATOMN2600 is the control command of controller input, parameter sum number
According to.
The function of power module 2 is to provide alternating voltage and DC voltage, and built-in charged lithium cells pass through process control reality
The adjusting between adjusting and 0~500VDC between existing 0~1250VAC, providing 24V voltage is that all modules are powered, together
When connection battery capacity show that user can be visually seen the remaining battery state of detection device.
Relay module a3~relay module d6 function is identical, after receiving voltage signal, driving relay work,
Every two relay controls a test point, only drives two relays every time, and every two relay controls a test point.After
80 relays are shared on electrical appliance module a, each relay module at most can detect 40 test points, a megger test
Concatenation unit at most can detect 160 test points.
7 function of AD sample circuit is the letter for handling and calculating relay module a3~relay module d6 input test point
Breath, and data are conveyed to Intel ATOMN2600 processor by treated.Processor unit 1 reads sampled result, utilizes public affairs
Formula
Output test result after conversion.Wherein K is the gain of AD7705, according to the input constraint of AD7705 and range model
It encloses, can be calculated:
Ru=46.4 Ω, Rd=30.9 Ω
Take R1=3.01K Ω, then have R2=2K Ω
Measured resistance RX is the insulating resistance value of equipment under test, measured resistance RX according to input voltage difference and occur
Variation.Then it is shown on instrument panel 8.
The data acquisition that insulation resistance is carried out using A/D converter, result is shown on instrument panel 8, specific to convert
Are as follows:
According to insulation voltage value and range ability, calculate:
Rd=576 Ω, Ru=150K Ω
The same insulated measurement circuits of the working principle of anti-electronic measuring circuit, Rd=5 Ω, Ru=2.49K Ω
Measured resistance RX according to input voltage difference and change.
After system starting, processor unit 1 issues test voltage output order to power module 2, and test voltage is exported
To AD sample circuit 7, the test point of insulated paths to be measured is output to relay module a3, relay module by AD sample circuit 7
B4, relay module c5 and relay module d6.AD sample circuit 7 exports after multilevel signal is handled to processor unit
1, processor unit 1 reads sampled result, output test result after conversion, and testing result is shown on instrument panel 8.
By the detection work for completing the access, insulation resistance, dielectric strength of cable and equipment above.
Claims (5)
1. a kind of portable automatic insulation detection device, characterized by comprising: casing, processor unit (1), power module
(2), AD sample circuit (7), relay module a (3), relay module b (4), relay module c (5), relay module d (6)
With instrument panel (8)；Processor unit (1), power module (2), AD sample circuit (7), relay module a (3), relay mould
Block b (4), relay module c (5) and relay module d (6) are placed in casing, and instrument panel (8) is placed in casing front panel, structure
At megger test concatenation unit, processor unit (1), power module (2) and sample circuit (7) are connected by mother daughter board connector
It connects, Insulation Resistance Tester concatenation unit is furnished with USB interface and network interface；Processor unit (1) and relay module a (3), relay
It is communicated between device module b (4), relay module c (5) and relay module d (6) by cpci bus, processor unit (1) and instrument
Device panel (8) and power module (2) are communicated by GPIO general-purpose interface；
Instruction is inputted using embedded software and 10 operating system of windows, by processor unit (1) information processing, electricity
Source module (2) work, AD sample circuit (7) data reduction, relay work, resistance value and leakage current value；
After system starting, processor unit (1) issues test voltage output order to power module (2), and test voltage is exported
To AD sample circuit (7), the test point of insulated paths to be measured is output to relay module a (3), relay by AD sample circuit (7)
Device module b (4), relay module c (5) and relay module d (6)；AD sample circuit (7) is defeated after multilevel signal is handled
It gives out processor unit (1), processor unit (1) reads sampled result, and output test result after conversion, testing result is in instrument
Panel is shown on (8)；
Relay module a (3) relay module b (4), relay module c (5) and relay module d (6) receive voltage signal
Afterwards, the work of driving relay, every two relay control a test point, only drive two relays, every two relay every time
Device controls a test point；80 relays, at most detectable 40 detections of each relay module are shared on relay module a
Point, a megger test concatenation unit at most can detect 160 test points；
By the detection work for completing the access, insulation resistance and dielectric strength of cable and equipment above.
2. a kind of portable automatic insulation detection device according to claim 1, it is characterised in that portable automatic
Insulation detection device includes 2 megger test concatenation units.
3. a kind of portable automatic insulation detection device according to claim 1, it is characterised in that processor unit (1)
Function be to realize between each module that the hardware of data/address bus and address bus connects using Intel ATOMN2600 as control core
It connects, while receiving control command, parameter and data that Intel ATOMN2600 is controller input.
4. a kind of portable automatic insulation detection device according to claim 1, it is characterised in that power module (2)
Function is to provide alternating voltage and DC voltage, and built-in charged lithium cells are realized between 0~1250VAC by process control
The adjusting between 0~500VDC is adjusted, providing 24V voltage is that all modules are powered, while being connected battery capacity and being shown,
User can be visually seen the remaining battery state of detection device.
5. a kind of portable automatic insulation detection device according to claim 1, it is characterised in that the relay mould
Block a (3), relay module b (4), relay module c (5) and relay module d (6) structure are identical, i.e., each relay mould
It include 80 relays in block, every two relay is one group, and one is to open, and one is to close.
AD sample circuit (7) function is to handle and calculate relay module a (3), relay module b (4), relay module c (5)
It, and will treated that data are conveyed to Intel ATOMN2600 processor with the information of the test point of relay module d6 input.
Processor unit (1) reads sampled result, utilizes formula
Output test result after conversion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018112707327 | 2018-10-29 | ||
| CN201811270732 | 2018-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110389274A true CN110389274A (en) | 2019-10-29 |
Family
ID=68285309
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910396298.5A Pending CN110389274A (en) | 2018-10-29 | 2019-05-14 | A kind of portable automatic insulation detection device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102621462A (en) * | 2012-04-16 | 2012-08-01 | 哈尔滨工业大学 | Multiway cable rapid insulation detection system and multiway cable insulation detection method |
| CN104133137A (en) * | 2014-07-24 | 2014-11-05 | 上海镭隆科技发展有限公司 | Portable cable test device and method |
| CN107037326A (en) * | 2017-05-26 | 2017-08-11 | 北京航天新风机械设备有限责任公司 | A kind of cable system conducting insulation Auto-Test System based on PXI |
| CN107728007A (en) * | 2017-11-27 | 2018-02-23 | 航天科工哈尔滨风华有限公司 | A kind of portable multi-purpose Aero-Space cable tester and method |
-
2019
- 2019-05-14 CN CN201910396298.5A patent/CN110389274A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102621462A (en) * | 2012-04-16 | 2012-08-01 | 哈尔滨工业大学 | Multiway cable rapid insulation detection system and multiway cable insulation detection method |
| CN104133137A (en) * | 2014-07-24 | 2014-11-05 | 上海镭隆科技发展有限公司 | Portable cable test device and method |
| CN107037326A (en) * | 2017-05-26 | 2017-08-11 | 北京航天新风机械设备有限责任公司 | A kind of cable system conducting insulation Auto-Test System based on PXI |
| CN107728007A (en) * | 2017-11-27 | 2018-02-23 | 航天科工哈尔滨风华有限公司 | A kind of portable multi-purpose Aero-Space cable tester and method |
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Application publication date: 20191029 |
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| RJ01 | Rejection of invention patent application after publication |