CN209282931U - Accurate distribution monitor circuit - Google Patents
Accurate distribution monitor circuit Download PDFInfo
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- CN209282931U CN209282931U CN201822100386.XU CN201822100386U CN209282931U CN 209282931 U CN209282931 U CN 209282931U CN 201822100386 U CN201822100386 U CN 201822100386U CN 209282931 U CN209282931 U CN 209282931U
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- switching value
- monitor circuit
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Abstract
The utility model relates to the technical fields of intelligent monitoring, more particularly, to a kind of accurate distribution monitor circuit, it includes total power supply line, monitoring module and display module, it is characterized by: total power supply line is electrically connected at the monitoring module, the monitoring module includes several monitoring units, and each monitoring unit is parallel with one another;The monitoring module is by being connected to the display module;The monitoring unit includes switching value module, tfi module, CT module and control module, and the tfi module is electrically connected at the switching value module, and the CT module is electrically connected at the switching value module;The control module is electrically connected at the CT module.The utility model, which has, improves distribution facility monitoring system integrated level, improves the effect of monitoring data.
Description
Technical field
The utility model relates to the technical fields of intelligent monitoring, more particularly, to a kind of accurate distribution monitor circuit.
Background technique
Currently, in the power distribution cabinet of power supply facilities, in order to guarantee the normal of power supply, it will usually it is provided with monitoring system,
The data such as electric current, voltage to power distribution cabinet are monitored, and carry out being connected with alarm buzzer.
In the monitoring system of existing power distribution cabinet, the electrical parameters such as electric current, voltage and power can only be monitored, be monitored
Electrical parameter be usually bus parameter in power distribution cabinet, therefore the data monitored are not comprehensive enough, require further improvement.
Utility model content
The purpose of the utility model is to provide a kind of raising distribution facility monitoring system integrated levels, improve the complete of monitoring data
The accurate distribution monitor circuit of face property.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
Accurate distribution monitor circuit, including total power supply line, monitoring module and display module, it is characterised in that: described total
Power supply line is electrically connected at the monitoring module, and the monitoring module includes several monitoring units, each monitoring unit phase
It is mutually in parallel;The monitoring module is by being connected to the display module;
The monitoring unit includes switching value module, tfi module, CT module and control module, and the tfi module is electrical
It is connected to the switching value module, the CT module is electrically connected at the switching value module;The control module is electrically connected
In the CT module.
The electricity respectively switched in power distribution cabinet or distribution facility is acquired by switching value module by using above-mentioned technical proposal
Parameter, and electrical parameter is converted and detected by CT module;By tfi module, electrical parameter to be detected is arranged
Sequence can be improved the integrated level of system, and the electrical parameter for making the monitoring system monitoring more comprehensively, improves the comprehensive of monitoring data
Property;Meanwhile it being coupled with display module, it is capable of providing human-computer interaction interface, allows the operator to more intuitively monitor to match
The electrical parameter of electric facility, and digital output modul signal is sent to control module by display module, it is controlled by the control module
The start and stop of power distribution cabinet current supply circuit.
The utility model is further arranged to: the switching value module includes busbar data-acquisition submodule and branch data
Submodule is acquired, the busbar data-acquisition submodule is electrically connected at the mains supply line of the accurate distribution monitor circuit,
The branch data acquisition submodule is connected to each branch power supply line of the accurate distribution monitor circuit.
By using above-mentioned technical proposal, by acquiring the on-off model of busbar and being coupled in the branch supply lines of busbar
The on-off model on road is that the electrical parameter of monitoring is more comprehensive.
The utility model is further arranged to: the CT module includes comparator and alarm.
By using above-mentioned technical proposal, it is compared and analyzes by the data that comparator acquires monitoring module,
When monitoring that the electrical parameter of switching value occurs abnormal, alarm signal can be issued by alarm.
The utility model is further arranged to: the comparator is connected with CT mutual inductor, for by the letter of the switching value
Number is transmitted to the comparator and is compared.
It needs to be converted to compare system convenient for measurement, protection and control by CT mutual inductor by using above-mentioned technical proposal
One electric current, and unified current signal is sent to comparator and is compared, if above or below preset signal threshold value,
Alarm signal is issued by alarm.
The utility model is further arranged to: the display module includes HMI man-machine interface, and the display module passes through
RS485 bus is coupled in the switching value module.
Operator can be made to pass through HMI man-machine interface pair by HMI man-machine interface by using above-mentioned technical proposal
The electrical parameter of power distribution cabinet is monitored.
The utility model is further arranged to: the control module is connect with the display module, for controlling described match
Each switching value in electric cabinet.
By using above-mentioned technical proposal, by obtaining the control signal of switching value in display module, and by the control
Signal is sent to control module, can be realized operator by display module, controls the switching value of power distribution cabinet, thus
Control the start and stop of power distribution cabinet current supply circuit.
The utility model is further arranged to: the precision distributing monitoring system further includes communication interface unit, described logical
Communication interface unit is connected to ... through the network computer monitoring equipment.
By using above-mentioned technical proposal, which is passed through by network and meter by communication interface unit
Machine monitoring equipment is calculated, can be realized and the power distribution cabinet is remotely controlled.
In conclusion the advantageous effects of the utility model are as follows:
1. acquiring the electrical parameter respectively switched in power distribution cabinet or distribution facility, and pass through CT module pair by switching value module
Electrical parameter is converted and is detected;
2. being ranked up to electrical parameter to be detected by tfi module, can be improved the integrated level of system, make the prison
The electrical parameter for controlling system monitoring more comprehensively, improves the comprehensive of monitoring data;
3. being coupled with display module, it is capable of providing human-computer interaction interface, allows the operator to more intuitively monitor
The electrical parameter of distribution facility, and digital output modul signal is sent to control module by display module, by the control module control
Prepare the start and stop of electric cabinet current supply circuit.
Detailed description of the invention
Fig. 1 is the electrical block diagram of the utility model.
Fig. 2 is the structural schematic diagram of monitoring unit in the utility model.
Fig. 3 is switching value modular structure schematic diagram in the utility model.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It referring to Fig.1, is a kind of accurate distribution monitor circuit disclosed by the utility model, including total power supply line, monitoring mould
Block and display module.
The precision distribution monitor circuit is specially the electrical parameter monitored in monitoring host computer module, and host module, which can be, matches
Electric cabinet or distribution facility.Wherein, electrical parameter may include: temperature in power distribution cabinet or distribution facility, humidity, inlet wire monitoring and more
A outlet branch monitoring.The content that inlet wire monitoring specifically monitors may include: phase voltage, phase current, current imbalance rate, every phase
Current demand, maximum current requirement, maximum current, every mutually active, every mutually idle, total active, total idle, power factor, frequency,
Active electrical degree, idle electric degree, voltage THD, electric current THD, neutral line current, 4 way switch states and No. 2 relays etc.;It is multiple go out
The content that the monitoring of line branch specifically monitors may include: electric current, active power, reactive power, power factor, active electrical degree, nothing
Function electric degree, current demand, maximum current requirement, maximum current and electric current THD etc..
Total power supply line, i.e. busbar, one end are connected with power input, are host module for power supply, and the other end is electrically connected with
Monitoring module, the monitoring module include the parallel connection of several monitoring units, and in the present embodiment, specially four monitoring units are simultaneously
Connection, each monitoring unit includes switching value module, tfi module, CT module and control module.
Switching value module is used to acquire in power distribution cabinet or distribution facility, including in inlet wire and appearance, the signal of each switching value
Data, meanwhile, which also can control the signal data of each switching value, and then control a start and stop for switch.The switch
Amount module includes busbar data-acquisition submodule and branch data acquisition submodule, wherein busbar data-acquisition submodule is used for
It acquires in the power distribution cabinet or distribution facility, the signal data of the switching value of total mains supply line, branch data acquires submodule and uses
Busbar, the i.e. signal data of the switching value of each branch of mains supply line are coupled in acquisition.The mains supply line is entirely to match
Electric cabinet or entire distribution facility are powered, and each branch by being coupled in the mains supply line, are matched for the power distribution cabinet cooperation
Electric facility, is powered modules, in each branch, is electrically connected with one or more loads.
Tfi module is coupled with switching value module, which is that a content for monitoring is arranged according to the sequence of time
Sequence enables the monitoring system to be monitored in sequence to the content of monitoring, improves the integrated level of the monitoring system.
CT module is for detecting the signal data of the switching value collected, wherein specifically including comparator and report
Alert device.The signal data collected is compared by the comparator, and specific comparison procedure can be a default signal threshold value,
As the data compared, which includes the signal threshold value upper limit and signal threshold value lower limit.If the signal data is more than the letter
Number upper threshold is lower than the signal threshold value lower limit, i.e., the signal data of collected switching value occurs abnormal, then passes through alarm
Device issues alarm signal, informs that the signal data of the abnormal switching value of operator's appearance is particularly located at the power distribution cabinet or distribution is set
The position applied.
The comparator is connected with CT mutual inductor, i.e. current transformer, by the electric current of actual power, is proportionally converted into ratio
It is converted for example, the electric current of actual power is 100A by the CT mutual inductor compared with the electric current that device can carry, it will be to actual power
Electric current is converted into 5A, and the electric current after conversion is sent to comparator and is compared.By the combination of comparator and CT mutual inductor,
It can be realized the monitoring to the electrical parameter in power distribution cabinet or distribution facility.
After switching value acquisition module and CT module are monitored the electrical parameter of power distribution cabinet or distribution facility, by monitoring
As a result by RS485 bus transfer to being coupled in the display module of the switching value acquisition module and CT module, wherein the display
Module specifically includes HMI(Human Machine Interface) man-machine interface, operator can pass through the man-machine boundary the HMI
Face knows each electrical parameter in the power distribution cabinet or distribution facility.If have electrical parameter to occur abnormal, which can be connect
Receive the alarm signal that CT module is sent.Operator can issue digital output modul in HMI man-machine interface according to alarm signal
Signal, and the control module by being connected to display module control the power distribution cabinet or distribution are set according to the digital output modul signal
Corresponding switching value in applying repairs to control the start and stop for opening power supply line convenient for operator.
It further include communication interface unit, which is communicated by network with computer monitoring equipment, should
Computer monitoring equipment can remotely monitor the electrical parameter in the power distribution cabinet or distribution facility, i.e., the signal data of each switching value.
It allows the operator to remotely control the power distribution cabinet.
The implementation principle of the present embodiment are as follows:
Power supply is accessed by busbar, is each negative by each branch power supply line by the precision distributing monitoring system
Load is powered.The signal data that each switching value is acquired by the switching value module of busbar and each branch power supply line, by timing
Module is ranked up the signal data, keeps the integrated level of the monitoring system higher.And then pass through the CT mutual inductor in CT module
And comparator, which is monitored, the data of monitoring are sent to display module, i.e. HMI people by RS485 bus
Machine interface.In CT module monitors to when occurring abnormal by the signal data of switching value, sent by alarm to HMI man-machine interface
Alarm signal.And digital output modul signal is issued by the HMI man-machine interface, by control module to occur abnormal switching value into
Row control, disconnects the power supply line occurred where abnormal switching value, and overhauled.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (7)
1. accurate distribution monitor circuit, including total power supply line, monitoring module and display module, it is characterised in that: total confession
Electric line is electrically connected at the monitoring module, and the monitoring module includes several monitoring units, and each monitoring unit is mutual
It is in parallel;The monitoring module is by being connected to the display module;
The monitoring unit includes switching value module, tfi module, CT module and control module, and the tfi module is electrically connected
In the switching value module, the CT module is electrically connected at the switching value module;The control module is electrically connected at institute
State CT module.
2. precision distribution monitor circuit according to claim 1, it is characterised in that: the switching value module includes busbar number
Submodule is acquired according to acquisition submodule and branch data, the busbar data-acquisition submodule is electrically connected at the accurate distribution
The mains supply line of circuit is monitored, the branch data acquisition submodule is connected to each branch of the accurate distribution monitor circuit
Power supply line.
3. precision distribution monitor circuit according to claim 1, it is characterised in that: the CT module includes comparator and report
Alert device.
4. precision distribution monitor circuit according to claim 3, it is characterised in that: the comparator is connected with CT mutual inductance
Device is compared for the signal data of the switching value to be transmitted to the comparator.
5. precision distribution monitor circuit according to claim 1, it is characterised in that: the display module includes HMI man-machine
Interface, the display module are coupled in the switching value module by RS485 bus.
6. precision distribution monitor circuit according to claim 1, it is characterised in that: the control module and the display mould
Block connection, for controlling each switching value in power distribution cabinet.
7. accurate distribution monitor circuit described in -6 any one according to claim 1, it is characterised in that: the precision distribution prison
Control system further includes communication interface unit, and the communication interface unit is connected to ... through the network computer monitoring equipment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822100386.XU CN209282931U (en) | 2018-12-13 | 2018-12-13 | Accurate distribution monitor circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822100386.XU CN209282931U (en) | 2018-12-13 | 2018-12-13 | Accurate distribution monitor circuit |
Publications (1)
Publication Number | Publication Date |
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CN209282931U true CN209282931U (en) | 2019-08-20 |
Family
ID=67611502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201822100386.XU Active CN209282931U (en) | 2018-12-13 | 2018-12-13 | Accurate distribution monitor circuit |
Country Status (1)
Country | Link |
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CN (1) | CN209282931U (en) |
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2018
- 2018-12-13 CN CN201822100386.XU patent/CN209282931U/en active Active
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Address after: 518107 Room 401, building 1, Senyang Electronic Science and Technology Park, west part of Guangming high tech park, Tianliao community, Yutang street, Guangming District, Shenzhen City, Guangdong Province Patentee after: Shangyu (Shenzhen) Technology Co.,Ltd. Address before: 518000 a, floor 4, building 1, Senyang Electronic Technology Park, west area, Guangming Gaoxin Park, Tianliao community, Yutang street, Guangming New Area, Shenzhen, Guangdong Patentee before: SHANG YU ELECTRONIC TECHNOLOGY Co.,Ltd. |