CN109738683A - A kind of communication type current transformer of more open types - Google Patents
A kind of communication type current transformer of more open types Download PDFInfo
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- CN109738683A CN109738683A CN201910055970.4A CN201910055970A CN109738683A CN 109738683 A CN109738683 A CN 109738683A CN 201910055970 A CN201910055970 A CN 201910055970A CN 109738683 A CN109738683 A CN 109738683A
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Abstract
The invention discloses a kind of communication type current transformers of more open types, it is provided with multiple openings on the shell, it is corresponding that open interior is provided with current detecting unit, cable is placed directly within opening, current detecting unit can be detected the electric current of opening, without power-off, without dismounting cable, it improves efficiency, it is also equipped with communication function simultaneously, cable load condition can be sent, staff can be received by intelligent terminal or PC equipment, realize remote and prolonged monitoring.
Description
Technical field
The present invention relates to technical field of power systems, especially a kind of communication type current transformer of more open types.
Background technique
There are a large amount of low-voltage supply line in various regions, with the change of user power utilization load, the reality of many power supply lines
Load generates bigger difference with Design cooling load, two kinds of overload operation, light(-duty) service situations, excess load fortune occurs
Row line frequent occurrence overload protection trip, it is serious also result in line insulation reduced performance, even generate short circuit burn electricity
Cable, cause the accident power failure, influences normally production, household electricity;And light(-duty) service route due to that cannot obtain load letter in time
Breath, in time carry out load adjustment suitably increase load, result in waste of resources, and early period due to being influenced by technical level,
With electric line there is no installation cutting load testing equipment, need manually patrol and judge route whether excess load, need a large amount of manpowers
And it is limited by the technical capability and experience of patrolman, while cannot grow again at one or in several power load periods of change
Time continuously monitors, and general maximum power consumption load is substantially extrapolated with individual load datas, and accuracy is not high.
Summary of the invention
To solve the above problems, the purpose of the present invention is to provide a kind of communication type current transformer of more open types, it can
To detect simultaneously to a plurality of line load, and it is also equipped with communication function, the long-time and long distance of route may be implemented
From monitoring.
Technical solution used by the present invention solves the problems, such as it is:
In a first aspect, the invention proposes a kind of communication type current transformer of more open types, including shell, the shell
On be provided at least one opening for detection cable electric current, the interior of shell is provided with
At least one current detecting unit, it is opposite with the quantity of opening, it is located at opening, the electric current for detection cable;
At least one signal conversion unit, for handling current signal;
Control unit judges the load condition on cable;
Communication unit, for transmitting cable load condition to outside;
The current detecting unit is connect with signal conversion unit, described control unit respectively with signal conversion unit, logical
Believe unit connection.
Further, the current detecting unit includes for the current acquisition unit of detection cable electric current and to cable electricity
The current processing unit that stream is handled, the current processing unit are connect with current acquisition unit, signal conversion unit respectively.
It further, further include temperature detecting unit for detecting interior of shell temperature, the temperature detecting unit and letter
The connection of number converting unit.
Further, the temperature detecting unit includes temperature collecting cell for detecting interior of shell temperature and to temperature
Degree according to the temperature treating units handled, the temperature treating units respectively with temperature collecting cell, signal conversion unit
Connection.
Further, further include for providing the power supply unit of power supply, the power supply unit respectively with current detecting unit, letter
Number converting unit, control unit and communication unit connection.
Further, the current acquisition unit includes current transformer.
Further, the temperature collecting cell includes temperature sensor.
Further, the communication unit includes wifi module or bluetooth module or ethernet communication module.
The one or more technical solutions provided in the embodiment of the present invention at least have the following beneficial effects: that shell is arranged
At multiple open type structures, and each open interior is provided with current detecting unit, can detect the electricity of a plurality of route respectively
Situation is flowed, then current conditions are handled by the way that common control unit is arranged, judges the load condition of route, and final
Load condition is transferred out by communication unit, is monitored for staff, the detection to a plurality of route not only may be implemented, also
Remote and prolonged monitoring may be implemented, guarantee the normal of line transmission electric current.
Detailed description of the invention
The invention will be further described with example with reference to the accompanying drawing.
Fig. 1 is a kind of schematic diagram of one embodiment of the communication type current transformer of more open types of the invention;
Fig. 2 is a kind of schematic diagram of another embodiment of the communication type current transformer of more open types of the invention.
Specific embodiment
In existing electric system, can all there be a large amount of low-voltage supply line, with the change of user power utilization load, very much
There are biggish differences between the actual load and Design cooling load of power supply line, often will appear overload operation and light load
Run two kinds of situations, when overload operation can cause some potential safety problems to electric wire, such as make the reduction of line insulation type, occur
Short circuit is even burnt out, and seriously affects normal production and household electricity;And it will cause the wastes of resource for light(-duty) service.
It is typically all to need to expend more people by manually going inspection line load situation in existing electric system
Power, and can not be monitored for a long time.
Based on this, the present invention provides a kind of communication type current transformers of more open types, can be simultaneously to a plurality of route
Electric current be monitored, and share a control unit 14, save cost, can be by line load feelings by communication unit 15
Condition is sent to outside, and staff can receive line load situation and be handled in time, realizes remote and long-time
Monitoring.
With reference to the accompanying drawing, the embodiment of the present invention is further elaborated.
- Fig. 2 referring to Fig.1, An embodiment provides a kind of communication type current transformer of more open types, packets
Shell 1 is included, at least one opening 11 for detection cable electric current is provided on the shell 1, is arranged inside the shell 1
Have:
At least one current detecting unit 12, it is opposite with the quantity of opening 11, it is located at opening 11, for detection cable
Electric current;
At least one signal conversion unit 13, for handling current signal;
Control unit 14 judges the load condition on cable;
Communication unit 15, for transmitting cable load condition to outside;
The current detecting unit 12 is connect with signal conversion unit 13, and described control unit 14 is converted with signal single respectively
Member 13, communication unit 15 connect.
In the present embodiment, multiple openings 11 are provided on shell 1, as shown in Figure 1, it is preferred that 3 openings 11, can power
Cable passes through, and a current detecting unit 12 is provided in each opening 11, and current detecting unit 12 can detecte its opening 11
The electric current of the cable at place does not need to have a power failure, does not need to dismantle connecting cable when in use, and directly cable is placed at opening 11
The detection to cable current can be realized, be significantly reduced manpower, time saving and energy saving, high-efficient, setting is useful in the lower section of shell 1
Three openings 11 can be made to open simultaneously current supply cable by applying external force to switch 18 in the switch 18 for opening opening 11
Into, then by cable be placed in opening 11 in after trip switch 18, the measurement to cable can be realized, can also prevent cable from
It is skidded off in opening 11.
In the present embodiment simultaneously, signal conversion unit 13, control unit 14 and communication unit are additionally provided with inside shell 1
Member 15, the quantity of signal conversion unit 13 and the quantity of current detecting unit 12, opening 11 are consistent, since function is consistent,
So only showing one group of current detecting unit 12 and one group of signal conversion unit 13 in Fig. 2, signal conversion unit 13 can be right
The electric current that current detecting unit 12 detects is further processed, and is then transmitted further to control unit 14, and control unit 14
The load condition of cable is judged according to received information, is then transferred out load condition by communication unit 15, staff
It is shown after load condition being received by external smart terminal or PC equipment etc., so as to realize to cable load
Remote and monitoring for a long time, guarantees the normal operation of route.
Since shell 1 is using open type structure, current detecting unit 12 and the cable at opening 11 are connectionless
Relationship, it is possible to the detection to electric current on cable is realized using current transformer, and signal conversion unit 13 can then make
With some conventional processing chips, it is transferred to control unit 14 after handling the current data of current transformer acquisition, is controlled
Unit 14 processed selects single-chip microcontroller to realize, and communication unit 15 needs for load condition to be transferred to outside, so communication unit 15
It is preferable to use modules of wireless type, such as ethernet communication module etc., are transferred to load condition by ethernet communication module
The monitoring computer of staff carries out remote monitoring for staff.
Further, another embodiment of the invention additionally provides a kind of communication type current transformer of more open types,
The current detecting unit 12 includes the current acquisition unit 121 for detection cable electric current and handles cable current
Current processing unit 122, the current processing unit 122 respectively with current acquisition unit 121, signal conversion unit 13 connect
It connects.
In the present embodiment, current acquisition unit 121 is used to acquire the electric current of cable, and current processing unit 122 is used for
The electric current acquired to current acquisition unit 121 is handled, and current acquisition unit 121 can be current transformer, then electric current
Common some current processing circuits etc. can be used to realize in processing unit 122, current processing unit 122 to current data into
By treated, data are transferred to signal conversion unit 13 after row processing, are further processed by signal conversion unit 13.
Further, another embodiment of the invention additionally provides a kind of communication type current transformer of more open types,
It further include the temperature detecting unit 16 for detecting 1 internal temperature of shell, the temperature detecting unit 16 and signal conversion unit
13 connections.
In the present embodiment, it is also equipped with temperature detecting function, the temperature inside shell 1 is can detecte, prevents internal temperature
It is excessively high, while it can also be internally provided with cooling fan in shell 1, heat release hole is set on shell 1, when internal temperature is excessively high
When, control unit 14 controls cooling fan work, and heat is discharged from heat release hole, guarantees that temperature is not too high in shell 1, prevents
Only burn out internal component.
Further, another embodiment of the invention additionally provides a kind of communication type current transformer of more open types,
The temperature detecting unit 16 include temperature collecting cell 161 for detecting 1 internal temperature of shell and to temperature data into
Row processing temperature treating units 162, the temperature treating units 162 respectively with temperature collecting cell 161, signal conversion unit
13 connections.
In the present embodiment, temperature detecting unit 16 is for detecting 1 internal temperature of shell, and temperature treating units 162 are then
The temperature information of detection is handled, generally can be using thermistor as temperature detecting element, thermistor is according to temperature
Degree variation generates different electric signals, is transferred to signal conversion unit after being handled by temperature treating units 162 electric signal
13 are further processed, and temperature treating units 162 can handle chip etc. using common temperature acquisition to realize.
Further, another embodiment of the invention additionally provides a kind of communication type current transformer of more open types,
It further include for providing the power supply unit 17 of power supply, the power supply unit 17 is single with current detecting unit 12, signal conversion respectively
Member 13, control unit 14 and communication unit 15 connect.
In the present embodiment, power supply unit 17 can be other module for power supply, guarantee that entire current transformer can be normal
Work.
Further, another embodiment of the invention additionally provides a kind of communication type current transformer of more open types,
The current acquisition unit 121 includes current transformer.
In the present embodiment, since current acquisition unit 121 does not contact directly with cable, so needing mutual using electric current
Sensor carries out the detection of electric current, with the opening 11 closed on shell 1 in use, without having a power failure, without dismantling connecting cable,
It reduces manpower to use, improve efficiency.
Further, another embodiment of the invention additionally provides a kind of communication type current transformer of more open types,
The temperature collecting cell 161 includes temperature sensor.
In the present embodiment, the detection to 1 internal temperature of shell, most convenient are realized using the most common temperature sensor
Be using thermistor temperature sensor.
Further, another embodiment of the invention additionally provides a kind of communication type current transformer of more open types,
The communication unit 15 includes wi fi module or bluetooth module or ethernet communication module.
In the present embodiment, the effect of communication unit 15 is load condition to be transferred to outside, including be transferred to computer
Or the equipment such as intelligent terminal can be used ethernet communication module and transmitted when being transferred to computer, when being transferred to intelligence
When terminal, wi fi module or bluetooth module can be used, realize the remote monitoring to cable load condition, when going wrong
When can be handled in time, guarantee cable on load it is normal always, guarantee daily, productive power.
Further, another embodiment of the invention additionally provides a kind of communication type current transformer of more open types,
Including shell 1, it is provided with multiple openings 11 on shell 1, is internally provided with current detecting unit 12, signal conversion in shell 1
Unit 13, control unit 14, communication unit 15, temperature detecting unit 16 and power supply unit 17, wherein current detecting unit 12,
The quantity of signal conversion unit 13 and opening 11 is consistent, and a current detecting unit 12 and a signal conversion unit 13 connect
It connects, control unit 14 is connect with signal conversion unit 13, communication unit 15 respectively, and power supply unit 17 examines power delivery to electric current
Survey unit 12, signal conversion unit 13, control unit 14, temperature detecting unit 16 and communication unit 15, temperature detecting unit
16 also connect with one of signal conversion unit 13 simultaneously, current detecting unit 12 setting shell 1 opening 11 inside, it is right
When the electric current of cable is detected, cable is placed at opening 11, current detecting unit 12 can be detected the electric current of cable, through believing
Number converting unit 13 is judged the load condition of cable by control unit 14 after handling, and is passed load condition by communication unit 15
Output is gone, and staff can receive the load condition of cable by equipment such as intelligent terminal or PC, so as to adjust electricity
The load of cable guarantees that power supply can stablize transport.
In the present embodiment, due to being provided with multiple openings 11, the inspection of electric current can be carried out to a plurality of cable run simultaneously
It surveys, and the result detected is handled by the same control unit 14, can be saved the use of component, is also equipped with logical
The load condition of cable can be sent, be received by staff by telecommunication function, control unit 14, thus realize at a distance with
And prolonged monitoring.
It is to be illustrated to preferable implementation of the invention, but the invention is not limited to above-mentioned embodiment party above
Formula, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (8)
1. a kind of communication type current transformer of more open types, it is characterised in that: including shell, be provided at least on the shell
One is used for the opening of detection cable electric current, and the interior of shell is provided with
At least one current detecting unit, it is opposite with the quantity of opening, it is located at opening, the electric current for detection cable;
At least one signal conversion unit, for handling current signal;
Control unit judges the load condition on cable;
Communication unit, for transmitting cable load condition to outside;
The current detecting unit is connect with signal conversion unit, described control unit respectively with signal conversion unit, communication unit
Member connection.
2. a kind of communication type current transformer of more open types according to claim 1, it is characterised in that: the electric current inspection
The current processing unit that unit includes the current acquisition unit for detection cable electric current and handled cable current is surveyed,
The current processing unit is connect with current acquisition unit, signal conversion unit respectively.
3. a kind of communication type current transformer of more open types according to claim 1, it is characterised in that: further include being used for
The temperature detecting unit of interior of shell temperature is detected, the temperature detecting unit is connect with signal conversion unit.
4. a kind of communication type current transformer of more open types according to claim 3, it is characterised in that: the temperature inspection
Surveying unit includes temperature collecting cell for detecting interior of shell temperature and the Temperature Treatment handled temperature data
Unit, the temperature treating units are connect with temperature collecting cell, signal conversion unit respectively.
5. a kind of communication type current transformer of more open types according to claim 1, it is characterised in that: further include being used for
The power supply unit of power supply is provided, the power supply unit respectively with current detecting unit, signal conversion unit, control unit and logical
Believe unit connection.
6. a kind of communication type current transformer of more open types according to claim 2, it is characterised in that: the electric current is adopted
Collecting unit includes current transformer.
7. a kind of communication type current transformer of more open types according to claim 4, it is characterised in that: the temperature is adopted
Collecting unit includes temperature sensor.
8. a kind of communication type current transformer of more open types according to claim 1, it is characterised in that: the communication unit
Member includes wifi module or bluetooth module or ethernet communication module.
Priority Applications (1)
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CN201910055970.4A CN109738683A (en) | 2019-01-22 | 2019-01-22 | A kind of communication type current transformer of more open types |
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CN201910055970.4A CN109738683A (en) | 2019-01-22 | 2019-01-22 | A kind of communication type current transformer of more open types |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113608005A (en) * | 2021-07-29 | 2021-11-05 | 武汉华仪智能设备有限公司 | Bypass current real-time monitoring device |
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