CN208314082U - A kind of secondary nuclear phase equipment of electric system - Google Patents
A kind of secondary nuclear phase equipment of electric system Download PDFInfo
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- CN208314082U CN208314082U CN201820998650.3U CN201820998650U CN208314082U CN 208314082 U CN208314082 U CN 208314082U CN 201820998650 U CN201820998650 U CN 201820998650U CN 208314082 U CN208314082 U CN 208314082U
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- circuit
- nuclear phase
- controller
- signal
- phase equipment
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Abstract
The utility model discloses a kind of secondary nuclear phase equipment of electric system, including controller, radio communication circuit, signal conditioning circuit, A/D conversion circuit, man-machine interface and power supervisor, the radio communication circuit, A/D conversion circuit, man-machine interface and power supervisor are connected to controller, and the signal conditioning circuit is connected to A/D conversion circuit.The utility model is able to solve the problem of dangerous existing secondary nuclear phase and low efficiency, improves safety and the working efficiency of electric system commissioning staff.
Description
Technical field
The utility model belongs to the secondary nuclear phase equipment of nuclear phase equipment technical field more particularly to a kind of electric system.
Background technique
The inspection of secondary current in power system and secondary voltage amplitude and phase is last before relay protection puts into operation
It is primary to check.
But had as following drawbacks using the phasor measurements mode such as phase meter or three-phase volt-ampere phase test instrument at present:
When needing the place for having only accessed electric current in current transformer terminal box etc. to carry out phasor measurement, due to without secondary
Voltage access, causes phasor measurement without reference phasor, therefore can not carry out phasor measurement；
For in substation there are when multiple spot phasor measurement such as: stand in different interval terminal box between, inner terminal case of standing
Between protection screen, stand in phase measurement between different protection screen and when comparing, traditional nuclear phase mode need to be both needed to will be electric
Pressure accesses phasor measurement equipment with reference to the Measurement channel of phasor and the access point to nuclear phase simultaneously, and with reference to phasor and to nuclear phase point
May not be in same measurement position, therefore secondary voltage need to be frequently accessed, which increase secondary voltage short circuits and staff to touch
The risk of electricity；
Load is small when for newly-built substation operation；Or checking transformer connection group, relay protection circuit wiring
When correctness, the test voltage of application, test current are well below transformer rated value, common volt-ampere phase under both of these case
Position table can not be tested accurately.
Utility model content
In order to overcome the shortcomings of art methods, the purpose of this utility model is that proposing a kind of the secondary of electric system
Nuclear phase equipment, the problem of being able to solve dangerous existing secondary nuclear phase and low efficiency；Mode completes each position by wireless communication
The clock set is synchronous, to synchronize sampling to the equipment after synchronizing, can carry out data exchange, to obtain local terminal and other
The phase relation of position；Improve safety and the working efficiency of electric system commissioning staff.
In order to achieve the above object, the utility model is using technical solution: a kind of secondary nuclear phase equipment of electric system, packet
Controller, radio communication circuit, signal conditioning circuit, A/D conversion circuit, man-machine interface and power supervisor are included, it is described wireless
Telecommunication circuit, A/D conversion circuit, man-machine interface and power supervisor are connected to controller, the signal conditioning circuit connection
To A/D conversion circuit；
The controller, for controlling entire secondary nuclear phase equipment；The controller includes clock circuit, and controller is sent
Or wireless synchronizing clock signals are received, and adjust clock signal and synchronize current value and voltage value progress to input by controller
Sampling；Meanwhile controller will acquire current value through radio communication circuit and voltage value is dealt into the secondary nuclear phase equipment in opposite end or upload
To the administrative center of distal end；
The radio communication circuit is transmitting device, is connected to the secondary nuclear phase equipment or remote of secondary nuclear phase equipment and opposite end
The administrative center at end, the radio communication circuit are controlled by controller；
The current signal of secondary side and voltage signal are converted to weak signal by the signal conditioning circuit, by the electric current
Signal and the weak signal of voltage signal conversion are sent in A/D conversion circuit after amplifier and filter circuit；
The A/D conversion circuit converts the analog signal of signal conditioning circuit treated secondary side current and voltage
For after digital quantity for controller；
The man-machine interface, including LCD display and key.
Further, the radio communication circuit is the radio communication circuit of 2.4GHz, the secondary nuclear phase equipment is realized
It is wirelessly communicated with the administrative center of the secondary nuclear phase equipment in opposite end or distal end, enhances outdoor applicability.
Further, the controller is MKL16Z128 low-power scm；The MKL16Z128 low-power consumption monolithic
The RAM of FLASH memory and 16K inside machine including 128K；It can guarantee secondary nuclear phase equipment stable operation, at low cost and energy
It consumes low.
Further, the signal conditioning circuit includes the dual-stage amplifier and second order active being made of operational amplifier
Filter circuit；The analog signal of acquisition is effectively treated, keeps gained signal more accurate.
Further, the man-machine interface is the LCD matrix display of 128*64, operating parameter is shown.
Further, the power supervisor is MP1584 power management chip, stabilization is provided for component each in equipment
And the electric energy of required voltage class.
Using the technical program the utility model has the advantages that
The utility model is synchronous with clock by being wirelessly transferred, and so that each equipment after synchronizing is synchronized sampling, goes forward side by side
Row data exchange, to obtain the phase relation of local terminal and other positions；It can avoid between the terminal box to different interval in standing,
Stand between inner terminal case and protection screen, stand in phase measurement between different protection screen and when comparing, due to reference phasor and
It may not be in same measurement position to nuclear phase point；Avoiding traditional nuclear phase mode need to be both needed to by Voltage Reference phasor and to nuclear phase
Access point Measurement channel simultaneously access phasor measurement equipment bring staff electric shock risk；Improve electric system
The safety of commissioning staff and working efficiency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the secondary nuclear phase equipment of electric system of the utility model.
Specific embodiment
In order to keep the purposes, technical schemes and advantages of utility model clearer, with reference to the accompanying drawing to the utility model
It is further elaborated.
In the present embodiment, shown in Figure 1, a kind of secondary nuclear phase equipment of electric system, including controller, channel radio
Believe circuit, signal conditioning circuit, A/D conversion circuit, man-machine interface and power supervisor, the radio communication circuit, A/D conversion
Circuit, man-machine interface and power supervisor are connected to controller, and the signal conditioning circuit is connected to A/D conversion circuit；
The controller, for controlling entire secondary nuclear phase equipment；The controller includes clock circuit, and controller is sent
Or wireless synchronizing clock signals are received, and adjust clock signal and synchronize current value and voltage value progress to input by controller
Sampling；Meanwhile controller will acquire current value through radio communication circuit and voltage value is dealt into the secondary nuclear phase equipment in opposite end or upload
To the administrative center of distal end；
The radio communication circuit is transmitting device, is connected to the secondary nuclear phase equipment or remote of secondary nuclear phase equipment and opposite end
The administrative center at end, the radio communication circuit are controlled by controller；
The current signal of secondary side and voltage signal are converted to weak signal by the signal conditioning circuit, by the electric current
Signal and the weak signal of voltage signal conversion are sent in A/D conversion circuit after amplifier and filter circuit；
The A/D conversion circuit converts the analog signal of signal conditioning circuit treated secondary side current and voltage
For after digital quantity for controller；
The man-machine interface, including LCD display and key.
As the prioritization scheme of above-described embodiment, the radio communication circuit is the radio communication circuit of 2.4GHz, is realized
The administrative center of the secondary nuclear phase equipment and the secondary nuclear phase equipment in opposite end or distal end wirelessly communicates, and enhances outdoor applicability.
The controller is MKL16Z128 low-power scm；Include inside the MKL16Z128 low-power scm
The FLASH memory of 128K and the RAM of 16K；It can guarantee that secondary nuclear phase equipment stable operation, at low cost and low energy consumption.
The signal conditioning circuit includes the dual-stage amplifier being made of operational amplifier and second-order active power filter circuit；Have
The analog signal of effect processing acquisition, keeps gained signal more accurate.
The man-machine interface is the LCD matrix display of 128*64, shows operating parameter.
The power supervisor is MP1584 power management chip, provides stable and required voltage etc. for component each in equipment
The electric energy of grade.
In order to better understand the utility model, primary complete description is made to the working principle of the utility model below:
Controller receives wireless synchronizing clock signals, and starts clock and synchronize, and realizes that the clock of system is synchronous；In clock
Each equipment is sampled and is analyzed to electric current, the voltage of input simultaneously in the case where synchronization；Meanwhile it will through wireless transmission circuit
The electric current, voltage value of this section obtained are dealt into the secondary nuclear phase equipment in opposite end or upload to the administrative center of distal end.
Secondary side when use in the different location for needing to appraise and decide phase relation installs the secondary nuclear phase equipment respectively；Its
In the secondary nuclear phase equipment in opposite end for working in holotype, can be to other secondary cores for working in slave pattern in communication range
When phase equipment carries out wireless school；After when school, the secondary nuclear phase equipment of each different location just synchronizes sampling, synchronizes and adopts
Data after sample can by wirelessly can the data sharing in wireless network, therefore the nuclear phase equipment in different location combines this equipment
On sampled data and the sampled datas of other nuclear phase equipment carry out analysis comparison.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of secondary nuclear phase equipment of electric system, which is characterized in that including controller, radio communication circuit, signal condition
Circuit, A/D conversion circuit, man-machine interface and power supervisor, the radio communication circuit, A/D conversion circuit, man-machine interface and
Power supervisor is connected to controller, and the signal conditioning circuit is connected to A/D conversion circuit；
The controller, for controlling entire secondary nuclear phase equipment；The controller includes clock circuit, and controller sends or connects
Wireless synchronizing clock signals are received, and adjusts clock signal and is synchronized by controller and the current value and voltage value of input are adopted
Sample；Meanwhile controller will acquire current value through radio communication circuit and voltage value is dealt into the secondary nuclear phase equipment in opposite end or uploads to
The administrative center of distal end；
The radio communication circuit is transmitting device, is connected to secondary nuclear phase equipment or the distal end of secondary nuclear phase equipment and opposite end
Administrative center, the radio communication circuit are controlled by controller；
The current signal of secondary side and voltage signal are converted to weak signal by the signal conditioning circuit, by the current signal
It is sent in A/D conversion circuit after amplifier and filter circuit with the weak signal of voltage signal conversion；
The analog signal of signal conditioning circuit treated secondary side current and voltage is converted to number by the A/D conversion circuit
For controller after word amount；
The man-machine interface, including LCD display and key.
2. a kind of secondary nuclear phase equipment of electric system according to claim 1, which is characterized in that the wireless communication electricity
Road is the radio communication circuit of 2.4GHz.
3. a kind of secondary nuclear phase equipment of electric system according to claim 1, which is characterized in that the controller is
MKL16Z128 low-power scm；It include the FLASH memory and 16K of 128K inside the MKL16Z128 low-power scm
RAM.
4. a kind of secondary nuclear phase equipment of electric system according to claim 1, which is characterized in that the signal condition electricity
Road includes the dual-stage amplifier being made of operational amplifier and second-order active power filter circuit.
5. a kind of secondary nuclear phase equipment of electric system according to claim 1, which is characterized in that the man-machine interface is
The LCD matrix display of 128*64.
6. a kind of secondary nuclear phase equipment of electric system according to claim 1, which is characterized in that the power supervisor
For MP1584 power management chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820998650.3U CN208314082U (en) | 2018-06-27 | 2018-06-27 | A kind of secondary nuclear phase equipment of electric system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820998650.3U CN208314082U (en) | 2018-06-27 | 2018-06-27 | A kind of secondary nuclear phase equipment of electric system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208314082U true CN208314082U (en) | 2019-01-01 |
Family
ID=64717695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820998650.3U Active CN208314082U (en) | 2018-06-27 | 2018-06-27 | A kind of secondary nuclear phase equipment of electric system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208314082U (en) |
-
2018
- 2018-06-27 CN CN201820998650.3U patent/CN208314082U/en active Active
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