CN110221171A - Logging cable insulating properties automatic detection device - Google Patents
Logging cable insulating properties automatic detection device Download PDFInfo
- Publication number
- CN110221171A CN110221171A CN201910508112.0A CN201910508112A CN110221171A CN 110221171 A CN110221171 A CN 110221171A CN 201910508112 A CN201910508112 A CN 201910508112A CN 110221171 A CN110221171 A CN 110221171A
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- China
- Prior art keywords
- control unit
- cathode
- positive
- relay
- sub
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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
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- 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
- G01R31/08—Locating faults in cables, transmission lines, or networks
-
- 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
- G01R31/1227—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 of components, parts or materials
- G01R31/1263—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 of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—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 of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
Abstract
The present invention relates to cable insulation detection technique fields, it is a kind of logging cable insulating properties automatic detection device, it includes positive relay group, cathode relay group, positive relay group includes eight positive relays, cathode relay group includes eight cathode relays, insulating megger positive terminal is connect with the normally opened contact of eight positive relays respectively, insulating megger negative terminal is connect with the normally opened contact of eight cathode relays respectively, each test interface is connect with the normally opened contact of the normally opened contact of positive relay and a cathode relay respectively, control unit includes main control unit, first sub-control unit, second sub-control unit.The present invention realizes the automatic detection of logging cable insulating properties, it takes out stitches work without carrying out duplicate wiring, the cable core or the outer armour of cable that Insulation test can be carried out by automatically selecting, shorten the testing time, while the high voltage for being avoided that insulating megger generates damages staff.
Description
Technical field
The present invention relates to cable insulation detection technique fields, are a kind of logging cable insulating properties automatic detection devices.
Background technique
When measuring at present to seven cable core cable insulations of well logging, use mechanical insulation meter and digital insulation more
Table, it is above-mentioned when being tested respectively using two kinds of insulation meters the step of it is very cumbersome, i.e., every time can only be to two cable conductors
Between insulating properties measure.By taking mechanical insulation meter as an example, exist when being measured to seven cable core cable insulations of well logging
Following problems:
1, after precisely connecting two cable conductors to be measured with the crocodile of mechanical insulation meter head, swinging handle is surveyed
Amount, since end is inserted, cable core belongs to column and spacing is smaller from each other, frequently result in crocodile clip sting incessantly cable cable core or
Person touches other cable cable cores and results in the need for reconnecting；And it needs to disassemble junction after measuring once, and reselects
Two other cable conductor is attached measurement, that is, measuring a seven cable core cables needs duplicate measurements 31 times, ideally presses
It calculates according to being both needed to 15 seconds every time, it is still necessary to 480 seconds, converts into 7.5 minutes or more, this process is time-consuming and laborious；
2, when execute-in-place, at least needing two people to carry out, operation is just achievable, and a people is responsible for connecting in insulation meter and end
Cable core is inserted, another people is responsible for operating insulation meter, and lacking any people all can not normally carry out the work；
3, more dangerous since the voltage that insulation meter both ends are confessed is generally the high voltage of 500V to 1000V, it is necessary to which that it is careful to carry out
Operation, can not carry out continuous powered operation, it is necessary to measurement could be reconnected after power-off.Simultaneously because cable cable core and insulation meter
Connection is simple, and operator is needed to be controlled with hand, it is possible to which the high voltage discharged by insulation meter hits (band insulating glove meeting
The accurate operation accuracy that insulation meter is connect with cable cable core is influenced, site operation personnel often do not accomplish).
Summary of the invention
The present invention provides a kind of logging cable insulating properties automatic detection devices, overcome the defects of the prior art,
Existing test process cumbersome, time-consuming and laborious problem when it can effectively solve the detection of existing progress logging cable insulating properties.
The technical scheme is that being realized by following measures: a kind of logging cable insulating properties detects dress automatically
It sets, including insulation shell, control unit, positive relay group, cathode relay group, positive relay is provided in insulation shell
Device group includes eight positive relays, and cathode relay group includes eight cathode relays, and insulation is provided on insulation shell
Megger positive terminal, insulating megger negative terminal, eight test interfaces, display units, insulating megger positive terminal
Terminal is connect with the normally opened contact of eight positive relays respectively, insulating megger negative terminal respectively with eight cathode relays
The normally opened contact of device connects, each test interface respectively with the normally opened contact of positive relay and cathode relay
Normally opened contact connection, control unit includes main control unit, the first sub-control unit, the second sub-control unit, and main control unit is respectively with the
One sub-control unit, the second sub-control unit, display unit connection, coil of the first sub-control unit respectively with eight positive relays connect
It connects, the second sub-control unit is connect with the coil of eight cathode relays respectively.
Here is the further optimization and/or improvements to invention technology described above scheme:
Above-mentioned control unit further includes two electric signal isolation transmission units, and the first sub-control unit is passed by an electric signal isolation
Defeated unit is connect with the coil of eight positive relays respectively, and the second sub-control unit passes through an electric signal isolation transmission unit point
It is not connect with the coil of eight cathode relays.
It is above-mentioned to be additionally provided with manual operation control unit on insulation shell and switch for manual mode and auto state
Mode switch element, control unit and mode switch element is manually operated and is connect with main control unit.
Above-mentioned manual operation control unit includes positive selecting module, cathode selecting module, relay switching module, anode
Selecting module, cathode selecting module and relay switching module are connect with main control unit.
It is above-mentioned that start-up and shut-down control unit and power interface, start-up and shut-down control unit and power interface are additionally provided on insulation shell
It is connect with main control unit.
Above-mentioned display unit includes display screen, the first instruction for showing positive relay on state in positive relay group
Second indicator lamp groups of cathode relay on state in lamp group and display cathode relay group.
The configuration of the present invention is simple, it is easy to use, the automatic detection of logging cable insulating properties is realized, does not have to carry out duplicate
Wiring is taken out stitches work, and the cable core for carrying out Insulation test or the outer armour of cable can be automatically selected by control unit, shortens test
Time；Personnel are worked at the same time by after armour connects one to one with eight test interfaces respectively outside 7 cable cores and cable, are no longer needed to
The touching present invention, the high voltage generated so as to avoid insulating megger damage staff, ensure that staff's
Safety.
Detailed description of the invention
Attached drawing 1 is the schematic perspective view of preferred embodiment.
Attached drawing 2 is the electrical block diagram of preferred embodiment.
Coding in attached drawing is respectively as follows: 1 for insulation shell, and 2 be mode switch element, and 3 be positive selecting module, and 4 are negative
Pole selecting module, 5 be relay switching module, and 6 be start-up and shut-down control unit, and 7 be power interface, and 8 be display screen, and 9 refer to for first
Show lamp group, 10 be the second indicator lamp groups, and K2 is insulating megger positive terminal, and K1 is insulating megger negative terminal, and N is
Test interface, M1 are positive relay, and M2 is cathode relay.
Specific embodiment
The present invention is not limited by the following examples, can determine according to the technique and scheme of the present invention with actual conditions specific
Embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to Figure of description 1
Butut mode be described, such as: front, rear, top, and bottom, left and right positional relationship be the Butut according to Figure of description
Direction determines.
Below with reference to examples and drawings, the invention will be further described:
As shown in attached drawing 1,2, the logging cable insulating properties automatic detection device, including insulation shell 1, it is set in insulation shell 1
It is equipped with control unit, positive relay group, cathode relay group, positive relay group includes eight positive relay M1, cathode
Relay group includes eight cathode relay M2, insulating megger positive terminal K1 is provided on insulation shell 1, insulation is shaken
Table negative terminal K2, eight test interface N, display units, insulating megger positive terminal K1 respectively with eight anodes
The normally opened contact of relay M1 connects, the insulating megger negative terminal K2 normally opened contact with eight cathode relay M2 respectively
Connection, each test interface N normally opened touching with the normally opened contact and a cathode relay M2 of a positive relay M1 respectively
Point connection, control unit includes main control unit, the first sub-control unit, the second sub-control unit, main control unit respectively with the first sub-control
Unit, the second sub-control unit, display unit connection, the first sub-control unit are connect with the coil of eight positive relay M1 respectively,
Second sub-control unit is connect with the coil of eight cathode relay M2 respectively.
Above-mentioned insulating megger positive terminal K1 and insulating megger negative terminal K2 is respectively used to connection insulation and shakes
The anode and cathode of table.Eight test interface N are respectively used to 7 cable cores and the outer armour of cable of connection logging cable.Positive relay
Device group includes eight positive relay M1, and the normally opened contact of eight positive relay M1 corresponds companies with eight test interface N
It is connected together, for selecting the test cable core connecting with the positive very high voltage of insulating megger (500V or 1000V) or the outer armour of cable；It is negative
Pole relay group includes eight cathode relay M2, and the normally opened contact and eight test interface N of eight cathode relay M2 is one by one
It is correspondingly connected with together, for selecting the cable core connecting with insulating megger cathode high voltage (500V or 1000V) or the outer armour of cable.
Display unit is used to show the test interface N currently tested.
Above-mentioned control unit is controlled for automatic Insulation test, that is, automatically controls positive relay group and cathode relay group
In a certain relay on-off.Wherein, main control unit can be STC12C5A60S2 cake core, for carrying out the transmission of order and connecing
It receives；First sub-control unit and the second sub-control unit can be 74H138 chip, and the first sub-control unit is for controlling positive relay
Group, the second sub-control unit is for controlling cathode relay group.Here main control unit controls the first sub-control unit and second point respectively
Unit is controlled, to control positive relay group and cathode relay group, can increase module compared to the control of single control module
Calculation processing speed guarantees the accuracy of control, improves the accuracy of insulating properties detection.
In use, detailed process is as follows:
1, by the positive and negative anodes of insulating megger respectively with insulating megger positive terminal K1 and insulating megger negative terminal K2
Connection；Armour outside 7 cable cores and cable of logging cable is connected one to one with eight test interface N respectively；
2, the testing time (determining according to actual conditions such as cable lengths) of one group of test, control first are provided in control unit
Sub-control unit and the second sub-control unit make it select an anode relay M1 and a cathode relay respectively within the testing time
Device M2 is powered to its coil, makes its corresponding normally opened contact closure, to make the corresponding test interface N of anode relay M1
It is connected with insulating megger anode, the corresponding test interface N of cathode relay M2 is connected with insulating megger cathode；
3, the insulating properties outside the cable core or cable that insulating megger connects above-mentioned two test interface N between armour detects；
4, the testing time terminates, then control unit is disconnected selected by the first sub-control unit of control and the second sub-control unit
Positive relay M1 and cathode relay M2, testing time reclocking recycle 2 to 4 steps, carry out next group of test.
It can be seen from the above, the configuration of the present invention is simple, easy to use, the automatic detection of logging cable insulating properties is realized, no
It is taken out stitches work, and can be automatically selected by control unit outside the cable core or cable that carry out Insulation test with duplicate wiring is carried out
Armour shortens the testing time；Personnel are worked at the same time armour outside 7 cable cores and cable is a pair of with eight test interface N mono- respectively
After should connecting, the touching present invention is no longer needed to, the high voltage generated so as to avoid insulating megger damages staff, protects
The safety of staff is demonstrate,proved.
Above-mentioned logging cable insulating properties automatic detection device can be made further optimization and/or improvements according to actual needs:
As shown in attached drawing 1,2, control unit further includes two electric signal isolation transmission units, and the first sub-control unit passes through an electricity
Signal-isolated transmission unit connect with the coil of eight positive relay M1 respectively, the second sub-control unit pass through an electric signal every
It is connect respectively with the coil of eight cathode relay M2 from transmission unit.
Above-mentioned two electric signal isolation transmission unit can be optocoupler clutch, for guaranteeing signal one-way transmission, simultaneously
So that its input terminal and output end is fully achieved electrical isolation, makes output signal on input terminal without influence, and improve anti-interference
Ability makes electric signal stablize transmission.
As shown in attached drawing 1,2, manual operation control unit is additionally provided on insulation shell 1 and for manual mode and certainly
The mode switch element 2 of dynamic state switching, is manually operated control unit and mode switch element 2 is connect with main control unit.
Above-mentioned mode switch element 2 is for carrying out manual mode and auto state switching；When switching to manual mode, work
Make personnel and then passes through manual operation control unit to main control unit transmission instruction, the positive relay that artificial selection needs to be connected
A device M1 and cathode relay M2.
As shown in attached drawing 1,2, manual operation control unit includes positive selecting module 3, cathode selecting module 4, relay
Switching module 5, positive selecting module 3, cathode selecting module 4 and relay switching module 5 are connect with main control unit.
Above-mentioned anode selecting module 3 can be key, and staff presses positive selecting module 3 when use, then to master control list
Member sends the order that selection controls positive relay group；Cathode selecting module 4 can be key, and staff presses cathode when use
Selecting module 4 then sends the order of selection control cathode relay group to main control unit.
Above-mentioned relay switching module 5 may include direct circulation relay selection key and reacting cycle relay selection key,
In use, direct circulation relay selection key or reacting cycle relay can be passed through if staff has pressed positive selecting module 3
The positive relay M1 that the selection of device selection key need to be connected；If staff has pressed cathode selecting module 4, can pass through
Direct circulation relay selection key or reacting cycle relay selection key select the cathode relay M2 that need to be connected.
As shown in attached drawing 1,2, start-up and shut-down control unit 6 and power interface 7, start-up and shut-down control are additionally provided on insulation shell 1
Unit 6 and power interface 7 are connect with main control unit.
Above-mentioned start-up and shut-down control unit 6 is for controlling unlatching and stopping of the invention.Power interface 7 can be USB power supply interface
Or 5V dc power interface.
As shown in attached drawing 1,2, display unit includes display screen 8, shows anode relay M1 conducting in positive relay group
Second indicator lamp groups 10 of cathode relay M2 on state in the first indicator lamp groups 9 and display cathode relay group of state.
Above-mentioned first indicator lamp groups 9 may include the indicator light of eight different colours, correspondingly show eight anodes after
The on state of electric appliance M1；Second indicator lamp groups 10 may include the indicator light of eight different colours, one-to-one display eight
The on state of cathode relay M2.
The above technical characteristic constitutes highly preferred embodiment of the present invention, with stronger adaptability and best implementation effect
Fruit can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
Claims (9)
1. a kind of logging cable insulating properties automatic detection device, it is characterised in that including insulation shell, be arranged in insulation shell
There are control unit, positive relay group, cathode relay group, positive relay group includes eight positive relays, cathode relay
Device group includes eight cathode relays, insulating megger positive terminal is provided on insulation shell, insulating megger cathode connects
Line terminals, eight test interfaces, display units, the normally opened touching with eight positive relays respectively of insulating megger positive terminal
Point connection, insulating megger negative terminal are connect with the normally opened contact of eight cathode relays respectively, each test interface point
It is not connect with the normally opened contact of the normally opened contact of positive relay and a cathode relay, control unit includes master control list
Member, the first sub-control unit, the second sub-control unit, main control unit respectively with the first sub-control unit, the second sub-control unit, display unit
Connection, the first sub-control unit are connect with the coil of eight positive relays respectively, the second sub-control unit respectively with eight cathode after
The coil of electric appliance connects.
2. logging cable insulating properties automatic detection device according to claim 1, it is characterised in that control unit further includes
Two electric signal isolation transmission units, the first sub-control unit by an electric signal isolation transmission unit respectively with eight anodes after
The coil of electric appliance connects, the second sub-control unit by another electric signal isolation transmission unit respectively with eight cathode relays
Coil connection.
3. logging cable insulating properties automatic detection device according to claim 1 or 2, it is characterised in that on insulation shell
The mode switch element for being additionally provided with manual operation control unit and switching for manual mode and auto state, manual operation control
Unit processed and mode switch element are connect with main control unit.
4. logging cable insulating properties automatic detection device according to claim 3, it is characterised in that manual operation control is single
Member includes positive selecting module, cathode selecting module, relay switching module, positive selecting module, cathode selecting module and after
Electric appliance switching module is connect with main control unit.
5. logging cable insulating properties automatic detection device according to claim 1 or 2 or 4, it is characterised in that in insulation shell
Start-up and shut-down control unit and power interface are additionally provided on body, start-up and shut-down control unit and power interface are connect with main control unit.
6. logging cable insulating properties automatic detection device according to claim 3, it is characterised in that on insulation shell also
It is provided with start-up and shut-down control unit and power interface, start-up and shut-down control unit and power interface are connect with main control unit.
7. logging cable insulating properties automatic detection device described according to claim 1 or 2 or 4 or 6, it is characterised in that display is single
Member includes display screen, shows the first indicator lamp groups of positive relay on state and display cathode relay in positive relay group
Second indicator lamp groups of cathode relay on state in device group.
8. logging cable insulating properties automatic detection device according to claim 3, it is characterised in that display unit includes aobvious
Display screen shows in positive relay group and bears in the first indicator lamp groups of positive relay on state and display cathode relay group
Second indicator lamp groups of pole relay on state.
9. logging cable insulating properties automatic detection device according to claim 5, it is characterised in that display unit includes aobvious
Display screen shows in positive relay group and bears in the first indicator lamp groups of positive relay on state and display cathode relay group
Second indicator lamp groups of pole relay on state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910508112.0A CN110221171A (en) | 2019-06-12 | 2019-06-12 | Logging cable insulating properties automatic detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910508112.0A CN110221171A (en) | 2019-06-12 | 2019-06-12 | Logging cable insulating properties automatic detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110221171A true CN110221171A (en) | 2019-09-10 |
Family
ID=67816817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910508112.0A Pending CN110221171A (en) | 2019-06-12 | 2019-06-12 | Logging cable insulating properties automatic detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110221171A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111308205A (en) * | 2019-12-03 | 2020-06-19 | 湖北江山重工有限责任公司 | General insulation resistance detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10170571A (en) * | 1996-12-09 | 1998-06-26 | Chiyoda Keiso Kk | Conduction state of wiring equipment, and insulation resistance measuring device |
| CN202339393U (en) * | 2011-12-14 | 2012-07-18 | 北京普莱德新能源电池科技有限公司 | Insulation detector of power battery system of electric vehicle |
| CN203204081U (en) * | 2012-06-11 | 2013-09-18 | 吉林省电力有限公司延边供电公司 | Tester |
| CN204359903U (en) * | 2015-01-14 | 2015-05-27 | 国网冀北电力有限公司唐山供电公司 | A kind of control cables Insulation test auxiliary tank |
| CN205665359U (en) * | 2016-05-31 | 2016-10-26 | 熊剑锋 | Cable insulation short -term test box convenient to carry |
| CN106940390A (en) * | 2017-02-14 | 2017-07-11 | 国网新疆电力公司伊犁供电公司 | Straight-flow system Insulation monitoring switching device |
| CN208672748U (en) * | 2018-06-29 | 2019-03-29 | 通号工程局集团有限公司 | A kind of 48 signal cables insulation automatic testing equipment |
-
2019
- 2019-06-12 CN CN201910508112.0A patent/CN110221171A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10170571A (en) * | 1996-12-09 | 1998-06-26 | Chiyoda Keiso Kk | Conduction state of wiring equipment, and insulation resistance measuring device |
| CN202339393U (en) * | 2011-12-14 | 2012-07-18 | 北京普莱德新能源电池科技有限公司 | Insulation detector of power battery system of electric vehicle |
| CN203204081U (en) * | 2012-06-11 | 2013-09-18 | 吉林省电力有限公司延边供电公司 | Tester |
| CN204359903U (en) * | 2015-01-14 | 2015-05-27 | 国网冀北电力有限公司唐山供电公司 | A kind of control cables Insulation test auxiliary tank |
| CN205665359U (en) * | 2016-05-31 | 2016-10-26 | 熊剑锋 | Cable insulation short -term test box convenient to carry |
| CN106940390A (en) * | 2017-02-14 | 2017-07-11 | 国网新疆电力公司伊犁供电公司 | Straight-flow system Insulation monitoring switching device |
| CN208672748U (en) * | 2018-06-29 | 2019-03-29 | 通号工程局集团有限公司 | A kind of 48 signal cables insulation automatic testing equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111308205A (en) * | 2019-12-03 | 2020-06-19 | 湖北江山重工有限责任公司 | General insulation resistance detection device |
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Application publication date: 20190910 |