CN207215940U - A kind of insulation monitoring and warning device of locating function with ground - Google Patents
A kind of insulation monitoring and warning device of locating function with ground Download PDFInfo
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- CN207215940U CN207215940U CN201721126397.4U CN201721126397U CN207215940U CN 207215940 U CN207215940 U CN 207215940U CN 201721126397 U CN201721126397 U CN 201721126397U CN 207215940 U CN207215940 U CN 207215940U
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Abstract
The utility model discloses a kind of insulation monitoring and warning device of locating function with ground, including main frame, slave, current transformer and hand-held mobile finger, the main frame includes host-processor, low frequency generator, signal isolation acquisition module, signal amplification unit, host C AN transceivers bus unit, host C AN communication interfaces, direct current Sampling Interface, TTL RS 232s unit, hosi wireless communication module and touching display screen, the host-processor and is connected with hosi wireless communication module.The utility model is connected by main frame with multiple slaves; and multiple current transformers are connected by slave; so as to meet demand of the different protection room in scene to long haul communication; and comparatively safe low-frequency signal injection can be generated; other equipment can effectively be avoided result in and malfunction occur, effectively filter out influence of the system capacitance distribution to ground connection positioning.The utility model can be widely applied in field of power detection.
Description
Technical field
It the utility model is related to technical field of electric power detection, more particularly to a kind of insulating monitoring dress of locating function with ground
Put.
Background technology
In power system, straight-flow system is mainly for switch divide-shut brake control, relay protection, automatics, emergency lighting
Etc. the power supply of equipment, also to ensure the power supply of the said equipment bottom line in the case that institute's electricity consumption is lost entirely.Straight-flow system
It is directly connected to the safe and reliable and stable operation of power plant, transformer station or even whole power network.DC load is typically using radiation
The design principle of power supply mode, DC loop cable distribution is wide, component is more, live service condition is poor, if straight-flow system
When having and above ground connection at 2 points, power transmission and transformation may be produced and do not have standby protective relaying device, switch tripping and malfunction occur, work as hair
Raw ground connection or insulation are difficult to find trouble point when reducing failure.
The content of the invention
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of safe and reliable lookup work(with ground
The insulation monitoring and warning device of energy.
Technical solution adopted in the utility model is：
A kind of insulation monitoring and warning device of locating function with ground, including main frame, slave, current transformer and hand-held mobile
Finger, the main frame include host-processor, low frequency generator, signal isolation acquisition module, signal amplification unit, master
Machine CAN transceiver bus unit, host C AN communication interfaces, direct current Sampling Interface, TTL RS 232s unit, hosi wireless communication
Module and touching display screen, the host-processor are connected with hosi wireless communication module, and the host-processor passes through main frame
CAN transceiver and then be connected with host C AN communication interfaces, the host-processor by TTL RS 232s unit and then with touch-control
Display screen connects, and the output end of the host-processor passes sequentially through low frequency generator, direct current Sampling Interface, signal isolation
Acquisition module and signal amplification unit and then it is connected with the input of host-processor, the host C AN communication interfaces and slave
It is connected, the input of the slave and the output end of current transformer connect, the hosi wireless communication module and hand-held
Mobile finger wireless connection.
As further improvement of the utility model, the main frame also includes relay alarm module, the host process
Device is connected with the control terminal of relay alarm module.
AD conversion unit is provided with as further improvement of the utility model, in the piece of the host-processor, FLASH is deposited
Storage unit, CAN module and USART full duplexs universal synchronous/asynchronous serial transceiver, the input and letter of the AD conversion unit
The output end connection of number amplifying unit, the USART full duplexs universal synchronous/asynchronous serial transceiver and TTL RS 232 units
Connection, the CAN module are connected with host C AN transceivers.
As further improvement of the utility model, the slave include the outer FLASH memory cell of slave processor, piece,
Multiple signals amplifying unit, multichannel current transformer Sampling Interface unit, slave CAN transceiver, slave CAN communication interface and ground
Location DIP device, the slave processor is connected by slave CAN transceiver and then with slave CAN communication interface, at the slave
Reason device is connected with the outer FLASH memory cell of piece, and the first input end of the slave processor connects with the output end of address DIP device
Connect, the output end of the current transformer passes sequentially through multichannel current transformer Sampling Interface unit and multiple signals amplifying unit
And then be connected with the second input of slave processor, the slave CAN communication interface is connected with host C AN communication interfaces.
As further improvement of the utility model, the slave also includes LED light, the slave processor
The input of output end and LED light connects.
As further improvement of the utility model, the hand-held mobile finger includes hander processor, signal
Amplifier, split core type current transformer Sampling Interface unit, LCD display, LED and hander wireless communication module, the hand
Holder processor is connected with hander wireless communication module, the first output end and LCD display of the hander processor
Input connection, the input of the second output end of the hander processor and LED connects, the pincerlike Current Mutual Inductance
The output end of device Sampling Interface unit is connected by signal amplifier and then the input with hander processor, described hand-held
Device wireless communication module and hosi wireless communication module wireless connection.
As further improvement of the utility model, the split core type current transformer Sampling Interface unit is also associated with pincer
Current transformer.
The beneficial effects of the utility model are：
A kind of insulation monitoring and warning device of locating function with ground of the utility model is connected by main frame with multiple slaves, and is led to
Cross slave and connect multiple current transformers, so as to meet demand of the different protection room in scene to long haul communication, and can give birth to
Into comparatively safe low-frequency signal injection, it can effectively avoid result in other equipment and malfunction occur, effectively filter out system capacitance distribution
Influence to ground connection positioning.Meanwhile hand-held mobile finger can continue to search in downstream feeder line and be grounded, so as to reduce failure
Scope, find trouble point.
Brief description of the drawings
Fig. 1 is the functional-block diagram of main frame in a kind of insulation monitoring and warning device of locating function with ground of the utility model；
Fig. 2 is the functional-block diagram of slave in a kind of insulation monitoring and warning device of locating function with ground of the utility model；
Fig. 3 is the original of hand-held mobile finger in a kind of insulation monitoring and warning device of locating function with ground of the utility model
Manage block diagram；
Fig. 4 is a kind of functional-block diagram of the insulation monitoring and warning device embodiment of locating function with ground of the utility model.
Embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
With reference to 1~Fig. 4 of figure, a kind of insulation monitoring and warning device of locating function with ground of the utility model, including main frame, from
Mechanical, electrical current transformer and hand-held mobile finger, the main frame include host-processor, low frequency generator, signal every
From acquisition module, signal amplification unit, host C AN transceivers bus unit, host C AN communication interfaces, direct current Sampling Interface,
TTL RS 232s unit, hosi wireless communication module and touching display screen, the host-processor and hosi wireless communication module
Connection, the host-processor are connected by host C AN transceivers and then with host C AN communication interfaces, the host-processor
It is connected by TTL RS 232 units and then with touching display screen, the output end of the host-processor passes sequentially through low frequency signal
Generator, direct current Sampling Interface, signal isolation acquisition module and signal amplification unit and then connect with the input of host-processor
Connecing, the host C AN communication interfaces are connected with slave, and the input of the slave and the output end of current transformer connect,
The hosi wireless communication module and hand-held mobile finger wireless connection.
Preferred embodiment is further used as, the main frame also includes relay alarm module, the host-processor
It is connected with the control terminal of relay alarm module.
Preferred embodiment is further used as, AD conversion unit is provided with the piece of the host-processor, FLASH is stored
Unit, CAN module and USART full duplexs universal synchronous/asynchronous serial transceiver, the input and signal of the AD conversion unit
The output end connection of amplifying unit, the USART full duplexs universal synchronous/asynchronous serial transceiver connect with TTL RS 232s unit
Connect, the CAN module is connected with host C AN transceivers.
It is further used as preferred embodiment, the slave includes the outer FLASH memory cell of slave processor, piece, more
Road signal amplification unit, multichannel current transformer Sampling Interface unit, slave CAN transceiver, slave CAN communication interface and address
DIP device, the slave processor are connected by slave CAN transceiver and then with slave CAN communication interface, the slave processing
Device is connected with the outer FLASH memory cell of piece, and the first input end of the slave processor is connected with the output end of address DIP device,
The output end of the current transformer passes sequentially through multichannel current transformer Sampling Interface unit and multiple signals amplifying unit enters
And be connected with the second input of slave processor, the slave CAN communication interface is connected with host C AN communication interfaces.
Be further used as preferred embodiment, the slave also includes LED light, the slave processor it is defeated
Go out end to be connected with the input of LED light.
Preferred embodiment is further used as, the hand-held mobile finger includes hander processor, signal is put
Big device, split core type current transformer Sampling Interface unit, LCD display, LED and hander wireless communication module, it is described hand-held
Device processor is connected with hander wireless communication module, the first output end of the hander processor and LCD display
Input connects, and the second output end of the hander processor and the input of LED connect, the split core type current transformer
The output end of Sampling Interface unit is connected by signal amplifier and then the input with hander processor, the hander
Wireless communication module and hosi wireless communication module wireless connection.
Preferred embodiment is further used as, the split core type current transformer Sampling Interface unit is also associated with pincerlike electricity
Current transformer.
With reference to figure 4, in the present embodiment, multiple slaves are connected using a main frame, each slave connects multiple current transformers,
The main frame direct current Sampling Interface is connected with fielded system bus and ground.
The utility model main frame and slave use CAN communication interface, with higher in reliability and stability, so that completely
High-capacity FLASH memory is carried to the demand of long haul communication in the different protection room in foot scene on slave, it is convenient carry out it is a large amount of
Data storage and progress big data analysis.And main frame produces low frequency signal by low frequency generator and injected over the ground,
Signal magnitude meets code, effectively avoids result in other equipment and produces malfunction, effectively filters out system capacitance distribution and ground connection is positioned
Influence.Meanwhile hand-held mobile finger can continue to search in downstream feeder line and be grounded, and reduces fault coverage, finds failure
Point.
Above is preferably implement to be illustrated to of the present utility model, but the utility model is created and is not limited to institute
State embodiment, those skilled in the art can also make a variety of etc. on the premise of without prejudice to the utility model spirit
With deformation or replace, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (7)
- A kind of 1. insulation monitoring and warning device of locating function with ground, it is characterised in that：Including main frame, slave, current transformer and Hand-held mobile finger, the main frame include host-processor, low frequency generator, signal isolation acquisition module, signal Amplifying unit, host C AN transceivers bus unit, host C AN communication interfaces, direct current Sampling Interface, TTL RS 232s unit, master Machine wireless communication module and touching display screen, the host-processor are connected with hosi wireless communication module, the host process Device is connected by host C AN transceivers and then with host C AN communication interfaces, and the host-processor passes through TTL RS 232 units And then be connected with touching display screen, the output end of the host-processor passes sequentially through low frequency generator, direct current sampling connects Mouthful, signal isolation acquisition module and signal amplification unit and then be connected with the input of host-processor, the host C AN communicates Interface is connected with slave, and the input of the slave and the output end of current transformer connect, the hosi wireless communication mould Block and hand-held mobile finger wireless connection.
- A kind of 2. insulation monitoring and warning device of locating function with ground according to claim 1, it is characterised in that：The main frame Also include relay alarm module, the host-processor is connected with the control terminal of relay alarm module.
- A kind of 3. insulation monitoring and warning device of locating function with ground according to claim 1, it is characterised in that：The main frame AD conversion unit, FLASH memory cell, CAN module and USART full duplexs universal synchronous/asynchronous string are provided with the piece of processor Row transceiver, the input of the AD conversion unit and the output end of signal amplification unit connect, and the USART full duplexs are general Synchronous/asynchronous serial transceiver is connected with TTL RS 232 units, and the CAN module is connected with host C AN transceivers.
- A kind of 4. insulation monitoring and warning device of locating function with ground according to claim 1, it is characterised in that：The slave Including FLASH memory cell outside slave processor, piece, multiple signals amplifying unit, multichannel current transformer Sampling Interface unit, Slave CAN transceiver, slave CAN communication interface and address DIP device, the slave processor by slave CAN transceiver and then It is connected with slave CAN communication interface, the slave processor is connected with the outer FLASH memory cell of piece, the slave processor First input end is connected with the output end of address DIP device, and the output end of the current transformer passes sequentially through multichannel Current Mutual Inductance Device Sampling Interface unit and multiple signals amplifying unit and then it is connected with the second input of slave processor, the slave CAN Communication interface is connected with host C AN communication interfaces.
- A kind of 5. insulation monitoring and warning device of locating function with ground according to claim 4, it is characterised in that：The slave Also include LED light, the output end of the slave processor and the input of LED light connect.
- A kind of 6. insulation monitoring and warning device of locating function with ground according to claim 1, it is characterised in that：It is described hand-held Formula movement finger include hander processor, signal amplifier, split core type current transformer Sampling Interface unit, LCD display, LED and hander wireless communication module, the hander processor are connected with hander wireless communication module, described hand-held First output end of device processor and the input of LCD display connect, the second output end and LED of the hander processor The input connection of lamp, the output end of the split core type current transformer Sampling Interface unit by signal amplifier and then with it is hand-held The input of device processor is connected, the hander wireless communication module and hosi wireless communication module wireless connection.
- A kind of 7. insulation monitoring and warning device of locating function with ground according to claim 6, it is characterised in that：The pincer Current transformer Sampling Interface unit is also associated with split core type current transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721126397.4U CN207215940U (en) | 2017-09-04 | 2017-09-04 | A kind of insulation monitoring and warning device of locating function with ground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721126397.4U CN207215940U (en) | 2017-09-04 | 2017-09-04 | A kind of insulation monitoring and warning device of locating function with ground |
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| Publication Number | Publication Date |
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| CN207215940U true CN207215940U (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721126397.4U Active CN207215940U (en) | 2017-09-04 | 2017-09-04 | A kind of insulation monitoring and warning device of locating function with ground |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208719A (en) * | 2019-05-30 | 2019-09-06 | 国网辽宁省电力有限公司电力科学研究院 | A kind of detection device and method of direct current system parasitic loop |
| CN110208635A (en) * | 2019-05-30 | 2019-09-06 | 国网辽宁省电力有限公司电力科学研究院 | A kind of insulation monitoring device of positioning function with ground that capableing of self-test |
| CN111398729A (en) * | 2020-01-21 | 2020-07-10 | 国网浙江省电力有限公司湖州供电公司 | Intelligent direct-current insulation online monitoring device with grounding positioning function |
| CN114167229A (en) * | 2021-11-12 | 2022-03-11 | 广西电网有限责任公司柳州供电局 | Test power supply insulation fault monitoring and searching system and method |
-
2017
- 2017-09-04 CN CN201721126397.4U patent/CN207215940U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110208719A (en) * | 2019-05-30 | 2019-09-06 | 国网辽宁省电力有限公司电力科学研究院 | A kind of detection device and method of direct current system parasitic loop |
| CN110208635A (en) * | 2019-05-30 | 2019-09-06 | 国网辽宁省电力有限公司电力科学研究院 | A kind of insulation monitoring device of positioning function with ground that capableing of self-test |
| CN111398729A (en) * | 2020-01-21 | 2020-07-10 | 国网浙江省电力有限公司湖州供电公司 | Intelligent direct-current insulation online monitoring device with grounding positioning function |
| CN114167229A (en) * | 2021-11-12 | 2022-03-11 | 广西电网有限责任公司柳州供电局 | Test power supply insulation fault monitoring and searching system and method |
| CN114167229B (en) * | 2021-11-12 | 2024-05-24 | 广西电网有限责任公司柳州供电局 | Test power supply insulation fault monitoring and searching system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An insulation monitoring device with grounding search function Effective date of registration: 20210608 Granted publication date: 20180410 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Panyu branch Pledgor: GUANGZHOU QIANSHUN ELECTRONIC EQUIPMENT Co.,Ltd. Registration number: Y2021980004504 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230619 Granted publication date: 20180410 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Panyu branch Pledgor: GUANGZHOU QIANSHUN ELECTRONIC EQUIPMENT Co.,Ltd. Registration number: Y2021980004504 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |