CN106451399A - Intelligent surge protector - Google Patents
Intelligent surge protector Download PDFInfo
- Publication number
- CN106451399A CN106451399A CN201611116562.8A CN201611116562A CN106451399A CN 106451399 A CN106451399 A CN 106451399A CN 201611116562 A CN201611116562 A CN 201611116562A CN 106451399 A CN106451399 A CN 106451399A
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- China
- Prior art keywords
- surge protector
- circuit
- current sensor
- intelligent
- mcu
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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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
-
- 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
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses an intelligent surge protector. The intelligent surge protector comprises a surge protector body arranged on a power supply circuit, and further comprises a gathering module used for gathering running status of the surge protector body, and a monitoring module which is connected with the gathering module and used for receiving and analyzing gathered data, wherein the gathering module comprises a leakage current transducer connected with the power supply circuit and a surge current transducer connected with the power supply circuit, and the monitoring module comprises a signal processing circuit connected with the leakage current transducer and the surge current transducer and used for processing signals, an MCU (microprogrammed control unit) connected with the signal processing circuit and used for analytical calculation of the signals and a memorizer connected with the MCU. Accordingly, actual running data of the intelligent surge protector can be obtained, and therefore real data sources can be provided to subsequent analysis of running status of the intelligent surge protector.
Description
Technical field
The present invention relates to carrying out surge protection technical field, more particularly to a kind of intelligent surge protector.
Background technology
Surge Protector, also known as surge protector or spark gap, abbreviation SPD, it is adaptable to exchange 50/60HZ, rated voltage
To the electric power system (or communication system) of 380V, the surge to indirect thunder and lightning and direct effects of lightning or other instantaneous overvoltages is entered
Row protection.Although Surge Protector can realize surge protection, with the reasons such as use time and action frequency, surge
Protector is possible to deterioration or fault occurs, if extremely and if not being known, then playing occurs in Surge Protector
Protective effect.
In prior art, judge whether Surge Protector normally can use, typically by artificial experience or cycle
Property replacing two ways realize.It will be apparent that artificial experience can vary with each individual, without reliable data as support；And the cycle
The replacing of property has two problems：Change not in time (although not to the replacement cycle, occurring in that fault in itself), or cause not
Necessary waste (although to the replacement cycle, itself is still intact).Therefore, said method is all because obtaining
The true service data of Surge Protector, so as to effectively judging.
As can be seen here, the running status for how obtaining Surge Protector is art technology to provide real Data Source
Personnel's problem demanding prompt solution.
Content of the invention
It is an object of the invention to provide a kind of intelligent surge protector, for obtaining the running status of Surge Protector to carry
For real Data Source.
For solving above-mentioned technical problem, the present invention provides a kind of intelligent surge protector, including being arranged in supply line
Surge Protector body, also include the acquisition module for gathering the running status of the Surge Protector body, and described
Acquisition module connects, for receiving and analyzing the monitoring modular of the gathered data；
Wherein, the acquisition module includes the leakage current sensor being connected with the supply line and the supply line
The surge current sensor of connection, the monitoring modular includes to connect with the leakage current sensor and the surge current sensor
Connect, be connected with the signal processing circuit for the signal processing circuit of signal processing, for signal analysis calculate MCU and
The memorizer being connected with the MCU.
Preferably, the supply line is that three-phase four-wire system, the Surge Protector body includes 3 SPD, then corresponding
The quantity of the leakage current sensor be 3, be connected with 3 phase lines respectively, the surge current sensor be arranged on zero line and
Between earth terminal.
Preferably, also include the pressure-sensitive module being connected respectively with 3 phase lines, then the monitoring modular also includes and institute
State the signal acquisition circuit of the outfan connection of pressure-sensitive module.
Preferably, the signal processing circuit is specifically included：The collection switching circuit being connected with the leakage current sensor,
For the collection in turn to 3 leakage current sensors, gather, with described, the first signal conditioning circuit that switching circuit is connected,
First signal conditioning circuit is connected with the MCU；
The secondary signal modulate circuit being connected with the surge current sensor, is connected with the secondary signal modulate circuit
The triggers circuit that is connected with the peak holding circuit of peak holding circuit, the triggers circuit is connected with the MCU.
Preferably, also include communication module, the communication module is connected with the communication output of the MCU.
Preferably, the communication module is RS485 communication module, then correspondingly the communication output of the MCU is RS485
Communication interface.
Preferably, also include to be connected with the MCU, for showing the display module of the result of calculation of the MCU.
Preferably, the display module includes the charactron for showing the Surge Protector body action frequency.
Preferably, the display module include for indicate respectively the Surge Protector body running status, the life-span
Early warning and the LED light of SPD deterioration.
Preferably, the acquisition module and the monitoring modular are arranged in the housing of the Surge Protector body.
Intelligent surge protector provided by the present invention, except Surge Protector sheet is external, also includes leakage current sensor
With surge current sensor, the leakage current on leakage current sensor collection supply lines, surge current sensor acquisition SPD is released
Surge current, the signal processing circuit of the signal transmission for collecting to monitoring modular is carried out signal processing by two kinds of sensors, so
Analysis and the calculating of signal are carried out by MCU afterwards, and result of calculation is stored by last memorizer.As can be seen here, this device can be obtained
The actual operating data of Surge Protector is taken, so as to real data be provided for the running status of follow-up analysis Surge Protector
Source.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention, accompanying drawing to be used needed for embodiment will be done simply below
Introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ordinary skill people
For member, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structure chart of intelligent surge protector provided in an embodiment of the present invention；
Fig. 2 is the scheme of installation of a kind of leakage current sensor provided in an embodiment of the present invention and surge current sensor；
Fig. 3 is the structure chart of another kind intelligent surge protector provided in an embodiment of the present invention；
Fig. 4 is a kind of scheme of installation of pressure-sensitive module provided in an embodiment of the present invention；
Fig. 5 is the structure chart of another kind intelligent surge protector provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, those of ordinary skill in the art are not under the premise of creative work is made, and obtained is every other
Embodiment, belongs to the scope of the present invention.
The core of the present invention is to provide a kind of intelligent surge protector, for obtaining the running status of Surge Protector to carry
For real Data Source.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Embodiment one
Fig. 1 is a kind of structure chart of intelligent surge protector provided in an embodiment of the present invention.As shown in figure 1, intelligent surge
Protector includes the Surge Protector body 10 being arranged in supply line, also includes for gathering Surge Protector body 10
The acquisition module 11 of running status, is connected with acquisition module 11, for receiving and analyzing the monitoring modular 12 of gathered data.
Wherein, acquisition module 11 includes the wave that the leakage current sensor 110 being connected with supply line is connected with supply line
Current sensor 111 is gushed, monitoring modular 12 includes to be connected with leakage current sensor 110 and surge current sensor 111, for believing
Number process signal processing circuit 120 be connected with signal processing circuit 120, for signal analysis calculate MCU121 and with
The memorizer 122 of MCU121 connection.
In being embodied as, Surge Protector body 10 is used in the supply line of three-phase four-wire system or single-phase power supply
On circuit.If only one of which SPD in single-phase then Surge Protector body 10, if three-phase four-wire system then Surge Protector
There are three SPD in body 10.For the safety and reliability of whole intelligent surge protector, acquisition module 11 and monitoring modular
In 12 housings for being arranged at Surge Protector body so that intelligent surge protector is structure as a whole, it is easily installed and carries.
Hereafter illustrate so that supply line is as three-phase four-wire system as an example.Leakage current is weigh the SPD life-span one
Important parameter, has SPD point of incoming cables on housing, leakage current sensor 110 is just arranged on the point of incoming cables, and is connected with supply line,
So as to gather the leakage current in three phase lines.When SPD action, surge current can be released to earthed system, shell by earth terminal
Ground hole being provided with body, surge current sensor 111 is arranged between zero line and earth terminal, releases through SPD for collection
Surge current signal.Leakage current sensor 110 and surge current sensor 111 are all connected with signal processing circuit 120, for inciting somebody to action
The signal of telecommunication of output is processed, for example, integrate, follow, filter so that leakage current sensor 110 and surge current sensor
The signal of telecommunication of 111 outputs can be capable of identify that by MCU121.MCU121 is that the signal to receiving is analyzed and processes, permissible
Being understood by, needing advance program burn writing to be carried out to MCU121, the present embodiment is repeated no more.Memorizer 122 is with MCU121 even
Connect, for the result of calculation of MCU121 is stored, checked with facilitating.
In order to allow those skilled in the art more understand the concrete form of the intelligent surge protector of present invention offer, this reality
Apply example and provide specific structure chart.Fig. 2 is a kind of leakage current sensor provided in an embodiment of the present invention and surge current sensor
Scheme of installation.
Wherein, L1-L3 represents three phase lines respectively, and N represents zero line.PE represents earth terminal.In being embodied as, SPD sheet
Above-mentioned several entrance holes and ground hole is respectively arranged with the housing of body, to realize installing.
The intelligent surge protector that the present embodiment is provided, except Surge Protector sheet is external, also includes leakage current sensor
With surge current sensor, the leakage current on leakage current sensor collection supply lines, surge current sensor acquisition SPD is released
Surge current, the signal processing circuit of the signal transmission for collecting to monitoring modular is carried out signal processing by two kinds of sensors, so
Analysis and the calculating of signal are carried out by MCU afterwards, and result of calculation is stored by last memorizer.As can be seen here, this device can be obtained
The actual operating data of Surge Protector is taken, so as to real data be provided for the running status of follow-up analysis Surge Protector
Source.
Embodiment two
Fig. 3 is the structure chart of another kind intelligent surge protector provided in an embodiment of the present invention.Preferably embodiment party
Formula, on the basis of above-described embodiment, also includes the pressure-sensitive module 13 being connected respectively with 3 phase lines, then monitoring modular 12 is also wrapped
Include the signal acquisition circuit 123 being connected with the remote signalling outfan of pressure-sensitive module 13.
In being embodied as, pressure-sensitive module 13 includes varistor, the remote signalling outfan meeting of pressure-sensitive module 13 after SPD deterioration
There is the conversion of normally opened and normally off, signal acquisition circuit 123 gathers the signal, and through signal transmission to MCU121.
By the monitoring of the outfan to pressure-sensitive module 13, MCU121 can monitor whether SPD deteriorates.MCU121 monitors that SPD is bad
Can record the deterioration time after change, and transmit and stored to memorizer 122.Fig. 4 is a kind of pressure provided in an embodiment of the present invention
The scheme of installation of quick module.
Fig. 5 is the structure chart of another kind intelligent surge protector provided in an embodiment of the present invention.Base in above-described embodiment
On plinth, preferably embodiment, signal processing circuit 120 is specifically included：The collection being connected with leakage current sensor 110 is cut
Circuit 1200 is changed, for the collection in turn to 3 leakage current sensors 110, the first letter being connected with collection switching circuit 1200
Number modulate circuit 1201, the first signal conditioning circuit 1201 is connected with MCU121.
The secondary signal modulate circuit 1202 being connected with surge current sensor 111, with secondary signal modulate circuit 1202
The triggers circuit 1204 that the peak holding circuit 1203 of connection is connected with peak holding circuit 1203, triggers circuit 1204 with
MCU121 connects.
Leakage current is to weigh an important parameter in SPD life-span, and this programme is passed through for 110 pairs using leakage current sensor
The power frequency leakage current of the three phase mains of SPD is monitored.After SPD accesses power-supply system, per root phase line to can all have between zero line
One power frequency leakage current, realizes leakage current timing acquiring in turn, the letter for collecting by gathering switching circuit 1200 in this programme
Number input signal be integrated, followed, filtering etc. processing through the first signal conditioning circuit 1201, signal after process is entered
MCU121, and be converted to digital signal through the internal A/D of MCU and carry out the process such as data storage, transmission.
When SPD action, surge current sensor 111 senses the current signal and outputs a signal to secondary signal conditioning
Circuit 1202.Secondary signal modulate circuit 1202 is integrated, follows, filtering etc. processing to input signal.Adjust through secondary signal
Signal after reason circuit 1202 is processed enters peak holding circuit 1203, and peak holding circuit 1203 will export one with surge electricity
The corresponding peak level of stream peak value, the inside A/D of the level output to triggers circuit 1204 and MCU121.When peak level is super
Crossing trigger gate triggers circuit 1204 of prescribing a time limit and a useful signal being exported to MCU121, now MCU121 starts electric to effective peak value
Putting down carries out amplitude collection.Different surge current amplitudes can correspond to one peak level amplitude of output, and MCU121 is carried out to level
Corresponding for level surge current amplitude, acquisition time recorded memorizer 122 after processing by filtering, calculating etc., realize to SPD
The monitoring of action current amplitude.MCU121 often collects the increase of a surge current record number of times once, realizes to SPD action time
The record of number.
As preferred embodiment, also include communication module 124, the communication output of communication module 124 and MCU121
Connection.
Communication module 124 can send the result of calculation of MCU121 to host computer etc., realize remote monitoring.It is appreciated that
, it is RS485 communication interface that communication module 124 is the communication output of RS485 communication module, then correspondingly MCU.
As preferred embodiment, also include to be connected with MCU121, for showing the display of the result of calculation of MCU121
Module 125.
Display module 125 can be arranged on the housing of Surge Protector body 10.It is understood that display module
125 particular type needs to be determined according to the content for showing.Specifically there is following embodiment：
1) if display content is the action frequency of Surge Protector body 10, display module 125 is charactron.
2) if display content is running status, life-span early warning and the SPD deterioration of Surge Protector body 10, show
Module 125 can be 3 LED lights.
It is understandable that life-span early warning can be carried out by the tolerance curve of pressure-sensitive module 13 and two parameters of leakage current
Common calculating, specific calculating process the present embodiment is repeated no more.When MCU121 determines that current Surge Protector body 10 is normal
Operation then controls LED light extinguishing, otherwise lights；When MCU121 determines that current Surge Protector body 10 needs life-span early warning
Then control LED light is lighted；When the SPD deterioration that MCU121 is determined in current Surge Protector body 10 then controls LED instruction
Lamp is lighted.Staff can quickly determine the state of corresponding surge protector body by the dispaly state of each LED light.
Above intelligent surge protector provided by the present invention is described in detail.In description, each embodiment is adopted
Described with the mode that goes forward one by one, what each embodiment was stressed is the difference with other embodiment, each embodiment it
Between identical similar portion mutually referring to.For device disclosed in embodiment, due to itself and method disclosed in embodiment
Corresponding, so description is fairly simple, related part is referring to method part illustration.It should be pointed out that leading for this technology
For the those of ordinary skill in domain, under the premise without departing from the principles of the invention, the present invention can also be carried out some improvement and
Modification, these improve and modification is also fallen in the protection domain of the claims in the present invention.
Claims (10)
1. a kind of intelligent surge protector, including the Surge Protector body being arranged in supply line, it is characterised in that also wrap
The acquisition module for gathering the running status of the Surge Protector body is included, is connected with the acquisition module, for receiving
With the monitoring modular for analyzing the gathered data；
Wherein, the acquisition module includes that the leakage current sensor being connected with the supply line is connected with the supply line
Surge current sensor, the monitoring modular includes to be connected with the leakage current sensor and the surge current sensor,
Be connected with the signal processing circuit for the signal processing circuit of signal processing, for signal analysis calculate MCU and with institute
State the memorizer of MCU connection.
2. intelligent surge protector according to claim 1, it is characterised in that the supply line is three-phase four-wire system,
The Surge Protector body includes 3 SPD, then the quantity of the corresponding leakage current sensor is 3, respectively with 3 phases
Line connects, and the surge current sensor is arranged between zero line and earth terminal.
3. intelligent surge protector according to claim 2, it is characterised in that also include respectively with 3 phase lines even
The pressure-sensitive module for connecing, then the signals collecting electricity that the monitoring modular also includes to be connected with the remote signalling outfan of the pressure-sensitive module
Road.
4. intelligent surge protector according to claim 2, it is characterised in that the signal processing circuit is specifically included：
The collection switching circuit being connected with the leakage current sensor, for the collection in turn to 3 leakage current sensors, with institute
The first signal conditioning circuit of collection switching circuit connection is stated, first signal conditioning circuit is connected with the MCU；
The secondary signal modulate circuit being connected with the surge current sensor, the peak being connected with the secondary signal modulate circuit
The triggers circuit that value holding circuit is connected with the peak holding circuit, the triggers circuit is connected with the MCU.
5. intelligent surge protector according to claim 2, it is characterised in that also include communication module, the communication mould
Block is connected with the communication output of the MCU.
6. intelligent surge protector according to claim 5, it is characterised in that the communication module is RS485 communication mould
Block, then correspondingly the communication output of the MCU is RS485 communication interface.
7. intelligent surge protector according to claim 1, it is characterised in that also include to be connected with the MCU, for showing
Show the display module of the result of calculation of the MCU.
8. intelligent surge protector according to claim 7, it is characterised in that the display module is included for showing
State the charactron of Surge Protector body action frequency.
9. intelligent surge protector according to claim 7, it is characterised in that the display module is included for referring to respectively
Show the LED light of the running status, life-span early warning and SPD deterioration of the Surge Protector body.
10. the intelligent surge protector according to any one of claim 1-9, it is characterised in that the acquisition module and institute
State in the housing that monitoring modular is arranged at the Surge Protector body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611116562.8A CN106451399A (en) | 2016-12-07 | 2016-12-07 | Intelligent surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611116562.8A CN106451399A (en) | 2016-12-07 | 2016-12-07 | Intelligent surge protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106451399A true CN106451399A (en) | 2017-02-22 |
Family
ID=58217718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611116562.8A Pending CN106451399A (en) | 2016-12-07 | 2016-12-07 | Intelligent surge protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106451399A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884357A (en) * | 2019-03-25 | 2019-06-14 | 华立科技股份有限公司 | Electric energy meter and surge method of counting |
| CN110808577A (en) * | 2019-11-14 | 2020-02-18 | 北京兴迪仪器有限责任公司 | Surge protection circuit with protection action state output |
| EP3690457A1 (en) * | 2019-01-30 | 2020-08-05 | Schneider Electric Industries SAS | Apparatus for monitoring surge protection device and method of assembling the same |
| CN111965412A (en) * | 2019-05-20 | 2020-11-20 | 浙江宇视科技有限公司 | Surge detection method, device, equipment and storage medium |
| CN112888110A (en) * | 2021-01-22 | 2021-06-01 | 江苏叶迪车灯股份有限公司 | Step-up and step-down type constant current driver for high-power LED module |
| CN113824104A (en) * | 2021-10-20 | 2021-12-21 | 上海电科臻和智能科技有限公司 | Intelligent backup protection integrated surge protection device |
| CN114665438A (en) * | 2022-05-24 | 2022-06-24 | 浙江中控技术股份有限公司 | Terminal board and surge device and safety barrier device comprising same |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3690457A1 (en) * | 2019-01-30 | 2020-08-05 | Schneider Electric Industries SAS | Apparatus for monitoring surge protection device and method of assembling the same |
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| CN109884357A (en) * | 2019-03-25 | 2019-06-14 | 华立科技股份有限公司 | Electric energy meter and surge method of counting |
| CN111965412A (en) * | 2019-05-20 | 2020-11-20 | 浙江宇视科技有限公司 | Surge detection method, device, equipment and storage medium |
| CN110808577A (en) * | 2019-11-14 | 2020-02-18 | 北京兴迪仪器有限责任公司 | Surge protection circuit with protection action state output |
| CN112888110A (en) * | 2021-01-22 | 2021-06-01 | 江苏叶迪车灯股份有限公司 | Step-up and step-down type constant current driver for high-power LED module |
| CN113824104A (en) * | 2021-10-20 | 2021-12-21 | 上海电科臻和智能科技有限公司 | Intelligent backup protection integrated surge protection device |
| CN114665438A (en) * | 2022-05-24 | 2022-06-24 | 浙江中控技术股份有限公司 | Terminal board and surge device and safety barrier device comprising same |
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Application publication date: 20170222 |
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