CN209134143U - A kind of control device for low-pressure plastic shell circuit breaker - Google Patents
A kind of control device for low-pressure plastic shell circuit breaker Download PDFInfo
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- CN209134143U CN209134143U CN201822225614.6U CN201822225614U CN209134143U CN 209134143 U CN209134143 U CN 209134143U CN 201822225614 U CN201822225614 U CN 201822225614U CN 209134143 U CN209134143 U CN 209134143U
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Abstract
A kind of control device for low-pressure plastic shell circuit breaker, including breaker, signal acquisition module, control circuit board, input module, output module and display module, signal acquisition module, control circuit board, input module and output module integrate, breaker connection power module suitable for reading, power module is used for control circuit board, input module, output module and display module power supply, signal acquisition module includes the single-phase current transformer in power supply phase line, the secondary outlet terminal of single-phase current transformer is connect with control circuit board, input module receives breaker temperature signal, remote control signal and breaker on-off position signal, output module includes digital output unit, analog output unit and communication output unit；The device integrated level is high, versatile, being capable of real-time monitoring operating condition and timely and effective protective breaker route or load.
Description
Technical field
The utility model relates to low voltage monitoring correlative technology fields, and in particular to a kind of control for low-pressure plastic shell circuit breaker
Device processed.
Background technique
Breaker is to refer to close, carry and cut-off the electric current under normal loop condition, and can close when defined
Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.Breaker has the function of overcurrent, overload protection.Mesh
Preceding common breaker in the market, the function of breaker is extended by attachment.Chinese invention patent CN102082046A is disclosed
A kind of " multi-functional circuit breaker accessory " is provided simultaneously with under-voltage (or over-voltage) tripping, shunt release and auxiliary contact function.
But the breaker lacks the real-time inspection and control to breaker, when there is unusual service condition in the load in breaker, breaker
Protection cannot timely respond to.
It is more to the functional requirement of breaker with being constantly progressive for epoch.Chinese utility model patent
CN203911446U discloses " a kind of high-voltage intelligent circuit breaker ", the connection suitable for reading including breaker body and breaker body
Three-phase power line, connect with any two first voltage mutual inductors connecting of three-phase power line, with the lower mouth of breaker body
The loaded line that connects, the second voltage mutual inductor being connect with loaded line, breaker body two sides the first current transformer and
Second current transformer, the breaker have the function of over-voltage, under-voltage, ground protection and load-side electric current, function of voltage monitoring.
Above-mentioned breaker lacks the other function that actual use needs, such as the power-factor of load, load harmonic component, real time execution temperature
Etc. parameters it is real-time acquisition and transmitting.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of control dress for low-pressure plastic shell circuit breaker
It sets, Integrated design reduces the complexity and cumbersome workload of live secondary connection, can monitor real-time working condition, obtain in time
The real time execution temperature for obtaining breaker and its front and back terminal stud, cable, keeps powered operation more safe.
In order to reach this purpose of utility model, the utility model uses the following technical solution:
A kind of control device for low-pressure plastic shell circuit breaker, including breaker, signal acquisition module, control circuit board,
Input module, output module and display module, the signal acquisition module, control circuit board, input module and output module collection
At together, the breaker connection power module suitable for reading, the power module is used for control circuit board, input module, defeated
Module and display module power supply, the signal acquisition module are connect by conducting wire with mouth under breaker out, the signal acquisition mould
Block includes the single-phase current transformer in power supply phase line, the secondary output end and control route of the single-phase current transformer
Plate connection, the input module receives breaker temperature signal, remote control signal and breaker on-off position signal, described disconnected
Road device temperature signal is provided by temperature sensing probe, the remote control signal from the electric power monitoring system where breaker,
The breaker on-off position signal is provided by the on-off point attachment that breaker carries, and the output module includes numeral output list
Member, analog output unit and communication output unit, the communication output unit are used for disconnected to electric power monitoring system transmission
Road device real time data.
Module includes digital output unit, analog output unit and communication output unit.
By using above-mentioned technical proposal, by the measurement of voltage, electric current, the functions collection such as electrical energy measurement, power quality monitoring
It is integrally formed, reduces the complexity and cumbersome workload of live secondary connection, breaker can be obtained and its front and back connects
Line end, the real time execution temperature of cable；When there are the unusual service conditions such as overcurrent, overload in the load in breaker, if
Breaker protection cannot timely respond to, and the control signal which can provide a quick disjunction by force breaks breaker
Open, can the timely and effectively route of protective breaker lower end or load, avoid fault spread.
Further, the power supply is single phase poaer supply, and the breaker is single-phase circuit breaker, the single-phase current transformer
It is one, on the firewire or zero curve of single phase poaer supply.
By using above-mentioned technical proposal, breaker can be single-phase single-pole, single-phase the two poles of the earth in actual use.
Further, the power supply is three phase mains, and the breaker is three-phase breaker, the single-phase current transformer
It is three, is divided into every phase power supply phase line of three phase mains.
By using above-mentioned technical proposal, control device is applicable to three pole of three-phase, three-phase and quadrupole breaker.
Further, the signal acquisition module further includes the zero-sequence current for whether having current leakage for monitoring each phase line
Mutual inductor.
By using above-mentioned technical proposal, when leakage of current occurs in phase any one in three-phase, zero sequence current mutual inductor will
Electric current is exported, insulation monitoring data are provided.
Further, the temperature sensing probe and case for circuit breaker are closely affixed and close to circuit breaker internal main contacts positions
It sets.
By using above-mentioned technical proposal, temperature sensing probe can more accurately measure breaker running temperature.
Further, the output signal of the analog output unit is current signal or/and voltage signal, the electric current
Signal is 0-20mA or 4-20mA, and the voltage signal is 0-5V or 0-10V.
By using above-mentioned technical proposal, the analog output data scope of application is wider.
Further, the display module is display screen, and display screen can be with signal acquisition module, control circuit board, defeated
Enter module and output module integrates, or is linked together by inserting mode.
By using above-mentioned technical proposal, display screen carries out flexible setting according to actual needs, is easy to use.
Further, the input module further includes the man-machine interaction panel that output is set for user.
By using above-mentioned technical proposal, by this man-machine interaction panel, user can define output signal type and
Standard (such as voltage signal, current signal)；Frequency, the precision etc. to the processing of collected floor data can be defined；It can determine
The early warning such as adopted voltage, electric current, temperature, alarm numerical value.
Further, the temperature sensing probe is thermoelectricity occasionally thermal resistance.
By using above-mentioned technical proposal, when using the device, user selects temperature sensing probe type as needed.
Further, the power module is additionally provided with battery.
It is control circuit board, input module, output module and display when line outage by using above-mentioned technical proposal
Module supplies electric energy.
In conclusion the utility model has the beneficial effect that the device integrated level is high, except with basic manipulation
Outside function, while by the measurement of voltage, electric current, the functions such as breaker running temperature, electrical energy measurement, power quality monitoring are integrated into
One, reduces the complexity and cumbersome workload of live secondary connection；It is versatile, it is most of currently on the market
Low-voltage moulded case circuit breaker can be applicable in；The protective value of breaker is strengthened, it can timely and effectively protective breaker lower end
Route or load can be to avoid fault spread when unusual service condition occurs.
Detailed description of the invention
Fig. 1 is a kind of control device for low-pressure plastic shell circuit breaker of the utility model embodiment one in three phase mains
Structural schematic diagram；
Fig. 2 is single-phase current transformer and zero sequence current mutual inductor attachment structure schematic diagram in Fig. 1；
Fig. 3 is that a kind of control structure of control device for low-pressure plastic shell circuit breaker of the utility model embodiment one is shown
It is intended to；
Fig. 4 is that a kind of temperature sensing of control device for low-pressure plastic shell circuit breaker of the utility model embodiment one is visited
Head and breaker connection structure relational graph；
Fig. 5 is a kind of control device for low-pressure plastic shell circuit breaker of the utility model embodiment two in single phase poaer supply
Structural schematic diagram.
Wherein: 1, breaker；101, breaker is suitable for reading；102, mouth under breaker；2, signal acquisition module；3, route is controlled
Plate；4, input module；5, output module；6, display module；7, power module；8, battery；9, single-phase current transformer；901,
Secondary outlet terminal；10, zero sequence current mutual inductor；11, connecting copper bar；12, on-off point attachment；13, remote control signal；
14, breaker temperature signal；15, man-machine interaction panel；16, temperature sensing probe.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described further the utility model, is drawn in preferred embodiment
Such as "upper", "lower" term are only illustrated convenient for narration, rather than to limit the enforceable range of the utility model.
Embodiment one
As shown in Figs. 1-2, a kind of control device for low-pressure plastic shell circuit breaker, including breaker 1, signal acquisition module
2, control circuit board 3, input module 4, output module 5 and display module 6, signal acquisition module 2, control circuit board 3, input mould
Block 4 and output module 5 integrate.
The control device can be used for three pole of three-phase, three-phase and quadrupole breaker 1 (below to be applied to three-phase three-pole breaker 1
For illustrate.As shown in Figs. 1-2, in three phase mains route, power supply line is connect by connecting copper bar 11 with breaker 1, is broken
Road device 101 connection power module 7 suitable for reading, power module 7 are used for control circuit board 3, input module 4, output module 5 and display
Module 6 is powered.Signal acquisition module 2 connects with mouth 102 under breaker, and signal acquisition module 2 includes three monophase current mutual inductances
Device 9 connects a single-phase current transformer 9 in each phase line, to detect the size of current flowed through in three-phase, signal acquisition mould
Block 22 further includes a zero sequence current mutual inductor 10 (i.e. CTO in Fig. 1), when there is leakage of current in phase any one in three-phase,
Zero sequence current mutual inductor 10 will export electric current, provide insulation monitoring data.Power module 7 is additionally provided with battery 8, when route stops
It is control circuit board 3 when electric, input module 4, output module 5 and display module 6 supply electric energy.Voltage data is from power module 7
It is obtained in each phase line being introduced into, current data is obtained from three single-phase current transformers 9 and zero sequence current mutual inductor 10.
As shown in Fig. 2, single-phase current transformer 9 and zero sequence current mutual inductor 10 are equipped with and connect with control circuit board 3
Secondary outlet terminal 901.As shown in figure 3, input module 4 receives 1 on-off position signal of breaker, 1 on-off of breaker
The on-off point attachment 12 that position signal is carried by breaker 1 provides, and on-off point attachment 12 is mounted on breaker 1, when breaker 1
When closing or opening, the open and-shut mode of on-off point attachment 12 can occur to change accordingly therewith, to generate different breakers 1
On-off position signal.Input module 4 can be used for receiving remote control signal 13, and remote control signal 13 is from 1 institute of breaker
Electric power monitoring system, input module 4 receives control signal, and is transferred to control circuit board 3, is controlled by control circuit board 3
Output module 5 processed is carried out breaker 1 and is manipulated.As shown in figure 4, input module 4 acquires open circuit by temperature sensing probe 16
The running temperature of device 1 obtains breaker temperature signal 14.Temperature sensing probe 16 is closely affixed and close with 1 shell of breaker
1 inside main contacts position of breaker, can accurately measure 1 running temperature of breaker in this way.Temperature sensing probe 16 can be heat
Galvanic couple, is also possible to thermal resistance, and user can select 16 type of temperature sensing probe according to actual needs.
Input module 4 further includes the man-machine interaction panel 15 that output is set for user.By man-machine interaction panel 15, use
Family can define the type and standard of output signal, such as voltage signal, current signal；It can also define to collected operating condition number
According to the frequency of processing, precision etc.；The early warning such as voltage, electric current, temperature, alarm numerical value can also be defined.
Control circuit board 3 receives signal acquisition module 2 and the transmission of input module 4 comes signal, data, to these signals and
Data carry out operation, processing, storage, and according to manipulation instruction, issue corresponding operation signal, the data that conversion operation is completed
To output module 5.
Output module 5 includes that digital output unit, analog output unit and communication output unit, output module 5 receive
The data that the transmission of control circuit board 3 comes, and exported and controlled accordingly.Digital output unit controls point of the breaker 1
It closes a floodgate, issue for early warning or the digital signal alarmed；By man-machine interaction panel 15, to early warning, alarm setting numerical value,
Determine whether to issue early warning, alarm signal according to the comparison result of this setting numerical value and measured value；Analog output unit is defeated
Real-time voltage or/and current data out, the instrument for needing to acquire the breaker 1 for other, equipment use, the analog output
The signal standards of unit output follows general international standard, such as the current signal of 0-20mA or 4-20mA, such as 0-5V or 0-
The voltage signal etc. of 10V；According to actual needs, communication output unit can provide wired and wireless two ways, to breaker 1
The reality of electric power monitoring system (distal end apparatus of electrical monitoring equipment or internet on electric power monitoring server) the transmission breaker 1 at place
When data, such as voltage, electric current, power, power factor, power quality, electrical energy measurement, 1 temperature of breaker, 1 position work of breaker
Condition etc., in accordance with general communications protocol, such as TCP/IP, MODBUS, which is modular organization, can be according to not
Same demand, configures corresponding module.
Display module 6 can be display screen, real time data be shown, such as voltage, electric current, power, power factor, electric energy matter
Amount, electrical energy measurement, 1 temperature of breaker, 1 position operating condition of breaker etc..Display screen can be with signal acquisition module 2, control route
Plate 3, input module 4 and output module 5 integrate, can also be in signal acquisition module 2, control circuit board 3, input module
4 and output module 5 it is integrated after, then connect with display screen by plug-in type.Display screen carries out flexible setting according to actual needs, just
In use.
Using the present apparatus in conjunction with 1 attachment of breaker (shunt release, electronic divide-shut brake, mistake of 1 manufacturer first wife of breaker
Pressure-off button etc.), the remote control breaker 1 may be implemented, and obtain the real-time working condition data of the breaker 1, such as voltage, electricity
Stream, the power-factor of load, load harmonic component, electrical energy measurement etc.；1 real time execution temperature of breaker is obtained in time, transports power supply
Row is more safe；Versatile, most of low-voltage moulded case circuit breaker 1 can be applicable in currently on the market；It strengthens
The protective value of breaker 1, can timely and effectively the route of 1 lower end of protective breaker or load can when there is unusual service condition
Avoid fault spread.
Embodiment two
Show as shown in figure 5, showing a kind of structure for the control device of low-pressure plastic shell circuit breaker in single phase poaer supply
It is intended to, the difference with embodiment one is, only one single-phase current transformer 9 (CT in Fig. 5), the single-phase current transformer
9 are located on phase line L (firewire), the electric current for surveying on phase line L (firewire), and zero sequence current mutual inductor 10 (diagram CT0) is located at phase
Line L (firewire) and phase line N (zero curve)) on, for measuring phase line L (firewire) or phase line N (zero curve)) whether there is current leakage.
In the application, single-phase current transformer 9 may be alternatively located at phase line N (zero curve)) on.
Above embodiments are for understanding that the utility model is used, and are not limitations of the present invention, related field
Those of ordinary skill on the basis of the technical solution described in claim, can also make a variety of variations or modification, these variations
Or modification should be understood as still falling within the protection scope of the utility model.
Claims (10)
1. a kind of control device for low-pressure plastic shell circuit breaker, it is characterized in that: including breaker, signal acquisition module, control
Wiring board, input module, output module and display module, the signal acquisition module, control circuit board, input module and output
Module integrates, the breaker connection power module suitable for reading, and the power module is used for control circuit board, input mould
Block, output module and display module power supply, the signal acquisition module are connect by conducting wire with mouth under breaker, and the signal is adopted
Collection module includes the single-phase current transformer in the power supply phase line, the secondary outlet terminal of the single-phase current transformer with
Control circuit board connection, the input module receive breaker temperature signal, remote control signal and breaker on-off position letter
Number, the breaker temperature signal is provided by temperature sensing probe, and the remote control signal is from the electric power where breaker
Monitoring system, the breaker on-off position signal are provided by the on-off point attachment that breaker carries, and the output module includes
Digital output unit, analog output unit and communication output unit, the communication output unit are used for the power monitoring
System transmits breaker real time data.
2. a kind of control device for low-pressure plastic shell circuit breaker according to claim 1, it is characterized in that: the power supply is
Single phase poaer supply, the breaker be single-phase circuit breaker, the single-phase current transformer be one, set on single phase poaer supply firewire or
On zero curve.
3. a kind of control device for low-pressure plastic shell circuit breaker according to claim 1, it is characterized in that: the power supply is
Three phase mains, the breaker are three-phase breaker, and the single-phase current transformer is three, are divided into every phase of three phase mains
In power supply phase line.
4. a kind of control device for low-pressure plastic shell circuit breaker according to claim 2 or 3, it is characterized in that: the letter
Number acquisition module further includes the zero sequence current mutual inductor for whether having current leakage for monitoring each phase line.
5. a kind of control device for low-pressure plastic shell circuit breaker according to claim 2 or 3, it is characterized in that: the temperature
Degree sensing probe and case for circuit breaker are closely affixed and close to circuit breaker internal main contacts positions.
6. a kind of control device for low-pressure plastic shell circuit breaker according to claim 5, it is characterized in that: the analog quantity
The output signal of output unit is current signal or/and voltage signal, and the current signal is 0-20mA or 4-20mA, the electricity
Pressure signal is 0-5V or 0-10V.
7. a kind of control device for low-pressure plastic shell circuit breaker according to claim 6, it is characterized in that: the display mould
Block is display screen, and display screen is integrated with signal acquisition module, control circuit board, input module and output module, or logical
Inserting mode is crossed to link together.
8. a kind of control device for low-pressure plastic shell circuit breaker according to claim 7, it is characterized in that: the input mould
Block further includes the man-machine interaction panel that output is set for user.
9. a kind of control device for low-pressure plastic shell circuit breaker according to claim 8, it is characterized in that: the temperature passes
Sense probe is thermoelectricity occasionally thermal resistance.
10. a kind of control device for low-pressure plastic shell circuit breaker according to claim 9, it is characterized in that: the power supply
Module is additionally provided with battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822225614.6U CN209134143U (en) | 2018-12-28 | 2018-12-28 | A kind of control device for low-pressure plastic shell circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822225614.6U CN209134143U (en) | 2018-12-28 | 2018-12-28 | A kind of control device for low-pressure plastic shell circuit breaker |
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| Publication Number | Publication Date |
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| CN209134143U true CN209134143U (en) | 2019-07-19 |
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| CN201822225614.6U Active CN209134143U (en) | 2018-12-28 | 2018-12-28 | A kind of control device for low-pressure plastic shell circuit breaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450101A (en) * | 2018-12-28 | 2019-03-08 | 深圳市厚沃电气科技有限公司 | A kind of control device for low-pressure plastic shell circuit breaker |
-
2018
- 2018-12-28 CN CN201822225614.6U patent/CN209134143U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450101A (en) * | 2018-12-28 | 2019-03-08 | 深圳市厚沃电气科技有限公司 | A kind of control device for low-pressure plastic shell circuit breaker |
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