CN207472981U - A kind of power network line phase sequence administered for three-phase imbalance confirms device - Google Patents
A kind of power network line phase sequence administered for three-phase imbalance confirms device Download PDFInfo
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- CN207472981U CN207472981U CN201721629137.9U CN201721629137U CN207472981U CN 207472981 U CN207472981 U CN 207472981U CN 201721629137 U CN201721629137 U CN 201721629137U CN 207472981 U CN207472981 U CN 207472981U
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Abstract
The utility model is related to a kind of power network line phase sequences administered for three-phase imbalance to confirm device, including central processing module, power line carrier module, LCD MODULE, voice module, power module, contact module, central processing module connects power line carrier module, LCD MODULE, voice module, power module, power line carrier module connection contact module respectively.The utility model confirms that device confirms the phase sequence of load-side by power network line phase sequence, instead of manually searching power network line phase sequence, adjustment in time influences three-phase imbalance bigger load, reduces power network line loss in time, increase transformer life, reduce workload.
Description
Technical field
The utility model is related to a kind of power network line phase sequences administered for three-phase imbalance to confirm device, belongs to power train
The technical field of system O＆M.
Background technology
At present, during electric system O＆M, power grid three-phase current unbalance problem is very serious, is in transformer
Asymmetric operation state causes the loss of transformer to increase (including no-load loss and load loss).In three-phase four-wire power supply
In network, when electric current passes through line conductor, because there are impedance loss will be produced electricl energy, loss with by electric current square into
Direct ratio.When low voltage electric network is with three-phase four-wire power supply, due to the presence of single-phase load, causing threephase load imbalance difficult in institute
Exempt from.When threephase load off-center operation, the neutral conductor has electric current to pass through.Not only phase line is lossy in this way, and the neutral conductor
Loss is generated, so as to increase the loss of power network line.
In order to solve the influence that three-phase current unbalance is brought, it is necessary to which the artificial load for removing adjustment three-phase institute band reaches
Three-phase balance, many power network lines are intricate at present, it is difficult to be connect on which phase when load end is distinguished and loaded, power grid
Line phase-sequence detection confirms that device has well solved this problem.At present, existing phase sequence analyzer is in terms of motor steering
Solves Problem of phase sequence, it is impossible to the phase sequence on circuit is distinguished in the work of power grid three-phase imbalance is manually adjusted.
Invention content
In view of the deficiencies of the prior art, the utility model provides a kind of power network line phase administered for three-phase imbalance
Sequence confirms device；
The utility model be integrated with power line carrier module, Switching Power Supply, liquid crystal display show, voice prompt, LED lamp circuit
Phase sequence confirms that transporting inspection for power grid confirms that line phase-sequence detection uses, and circuit phase can be confirmed from the outlet of taiwan area transformer to load end
Sequence, by the way that load phase sequence is manually adjusted, to increasing transformer service life, to reduce line loss to realize line load three-phase equilibrium
It plays a key effect.
The technical solution of the utility model is：
A kind of power network line phase sequence administered for three-phase imbalance confirms device, is carried including central processing module, electric power
Wave module, LCD MODULE, voice module, power module, contact module, the central processing module connect the electricity respectively
Power carrier module, the LCD MODULE, the voice module, the power module, the power line carrier module connect institute
State contact module.
Central processing module for collect, handle power line carrier module, LCD MODULE, voice module, power module,
Contact the data of module；Central processing module, that is, central data processor abbreviation CPU, can logically be divided into 3 modules,
It is control unit, arithmetic element and storage unit respectively, this three parts is connected by CPU internal bus.
Power line carrier module is used for transmission check and correction phase sequential signal；Power carrier is the distinctive communication mode of electric system, electricity
Power carrier communication refers to carry out analog or digital signal by carrier system using existing power line the technology of high-speed transfer.
Maximum feature is not need to set up network again, as long as live wire, with regard to that can carry out data transfer.
LCD MODULE is used for the phase sequence of circuit for showing the connection status of power line carrier module and measuring；It is one
The functional component that kind is assembled integrally by section type LCD device part and dedicated integrated circuit can show number and some marks
Symbol.
Voice module is used for voice prompt false alarm, and whether phase sequence proofreads the information such as correct；Cooperation loudspeaker can be sent out
Sound.
Power module is used to be powered for the modules in device；It is defeated that alternating current 220V voltage is converted into direct current 5V
Go out.
Contact module is used to powering and transmitting data-signal；It is made of clip, for being clamped onto on circuit.
Preferred according to the utility model, the central processing module is that kernel is ARM Cortex-M3, model
The microcontroller of STM103RCT6；The model KQ330 of the power line carrier module；The LCD MODULE is shown for OLED
Screen；The model XSF5152CE of the voice module；The model LRS-35-5 of the power module；It is described contact module be
Model ETA3104 insulating sheaths press from both sides.
It is preferred according to the utility model, PA8 pins, the PA9 pins point of the microcontroller of model STM103RCT6
Not Lian Jie model KQ330 power carrier communication module 6P, 7P；The microcontroller of model STM103RCT6
PA4 pins, PA5 pins, PA6 pins, PA7 pins connect respectively the D0 data pins of the OLED display screen, DI clock pins,
RES reset pins, DC command selection pins；PB10 pins, the PB11 pins point of the microcontroller of model STM103RCT6
Not Lian Jie model XSF5152CE the voice module SCL pins, SDA pins；The list of model STM103RCT6
VDDA pins, the VSSA pins of piece machine connect the+5V pins of power module described in model LRS-35-5, GND pins respectively；
The 1P pins of the power carrier communication module of model KQ330, the connection model ETA3104 insulation of 2P pins
Shield clip；
+ 5V pins, the GND pins of power module described in model LRS-35-5 connect the OLED display screen respectively
VCC pins, GND pins；+ 5V pins, the GND pins of power module described in model LRS-35-5 connect model respectively
5V pins, the GND pins of the voice module of XSF5152CE.
The course of work of the utility model is as follows：
The above-mentioned power network line phase sequence administered for three-phase imbalance confirms the course of work of device, including：
(1) determine line phase-sequence detection from transformer to user terminal, according to the degree of line load three-phase imbalance, it is artificial or
Phase sequence where adjust automatically load；
(2) confirm device in transformer outgoing line side installation power network line phase sequence, i.e.,：The contact module is connected to transformation
The L of device outlet and the arbitrary phase in three-phase show the phase of the contact module connection by the LCD MODULE；
(3) in user load side, installation power network line phase sequence confirms device, i.e.,：The contact module is connected in circuit
L and the arbitrary phase in three-phase, the phase that the contact module connects is shown by the LCD MODULE, when clipping to display phase
When sequence confirms that the phase sequence that device is shown is consistent with the power network line phase sequence of transformer side, by measured by voice module report
Phase sequence, the power network line phase sequence of user side can be confirmed.
The beneficial effects of the utility model are：
1st, the utility model confirms that device confirms the phase sequence of load-side by power network line phase sequence, instead of manually searching power grid
Line phase-sequence detection, in time adjustment influence three-phase imbalance bigger load, reduce power network line loss in time, increase transformation
In the device service life, reduce workload.
2nd, the utility model prompts phase sequence by voice module, can be subtracted with the phase sequence of the confirmation power network line of clear and definite
Few artificial participation.
3rd, the utility model shows power network line phase sequence by display module, can clearly judge transformer side and user
The phase sequence of load-side reduces the wrong probability for artificially judging power network line phase sequence.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the circuit diagram of the utility model central processing module
Fig. 3 is the circuit diagram of the utility model power line carrier module；
Fig. 4 is the circuit diagram of the utility model voice module；
Fig. 5 is the circuit diagram of the utility model LCD MODULE.
Specific embodiment
Further restriction is done to the utility model with reference to embodiment and Figure of description, but not limited to this.
Embodiment 1
A kind of power network line phase sequence administered for three-phase imbalance confirms device, as shown in Figure 1, including central processing mould
Block, power line carrier module, LCD MODULE, voice module, power module, contact module, central processing module connect respectively
Power line carrier module, LCD MODULE, voice module, power module, power line carrier module connection contact module.
Central processing module for collect, handle power line carrier module, LCD MODULE, voice module, power module,
Contact the data of module；Central processing module, that is, central data processor abbreviation CPU, can logically be divided into 3 modules,
It is control unit, arithmetic element and storage unit respectively, this three parts is connected by CPU internal bus.Power line carrier module
It is used for transmission check and correction phase sequential signal；Power carrier is the distinctive communication mode of electric system, and power carrier communication refers to using existing
There is power line, analog or digital signal is carried out to the technology of high-speed transfer by carrier system.Maximum feature is not need to again
Network is set up, as long as live wire, with regard to data transfer can be carried out.LCD MODULE is used to show the connection shape of power line carrier module
The phase sequence of state and the circuit measured；It is a kind of to be assembled integrally by section type LCD device part and dedicated integrated circuit
Functional component can show number and some identifiers.Voice module is used for voice prompt false alarm, and whether phase sequence proofreads just
The information such as true；Cooperation loudspeaker can make a sound.Power module is used to be powered for the modules in device；It will exchange
220V voltages are converted into direct current 5V outputs.Contact module is used to powering and transmitting data-signal；It is made of clip, for clamping
Onto circuit.
The above-mentioned power network line phase sequence administered for three-phase imbalance confirms the course of work of device, including：
(1) determine line phase-sequence detection from transformer to user terminal, according to the degree of line load three-phase imbalance, it is artificial or
Phase sequence where adjust automatically load；
(2) confirm device in transformer outgoing line side installation power network line phase sequence, i.e.,：The contact module is connected to transformation
The L of device outlet and the arbitrary phase in three-phase show the phase of the contact module connection by the LCD MODULE；
(3) in user load side, installation power network line phase sequence confirms device, i.e.,：The contact module is connected in circuit
L and the arbitrary phase in three-phase, the phase that the contact module connects is shown by the LCD MODULE, when clipping to display phase
When sequence confirms that the phase sequence that device is shown is consistent with the power network line phase sequence of transformer side, by measured by voice module report
Phase sequence, the power network line phase sequence of user side can be confirmed.
Embodiment 2
Device, difference are confirmed according to a kind of power network line phase sequence administered for three-phase imbalance described in embodiment 1
It is, central processing module is the microcontroller that kernel is ARM Cortex-M3, model STM103RCT6；Power line carrier module
Model KQ330；LCD MODULE is OLED display screen；The circuit diagram of LCD MODULE is as shown in Figure 5；Voice
The model XSF5152CE of module；The model LRS-35-5 of power module；Contact module is model ETA3104 insulation shields
Set folder.
The circuit diagram of central processing module is as shown in Figure 2；Power line carrier module circuit diagram is as shown in Figure 3；Language
The circuit diagram of sound module is as shown in Figure 4；
The electric power that PA8 pins, the PA9 pins of the microcontroller of model STM103RCT6 connect model KQ330 respectively carries
Wave communication module 6P, 7P；The PA4 pins of the microcontroller of model STM103RCT6, PA5 pins, PA6 pins, PA7 pins difference
The D0 data pins of connection OLED display screen, DI clock pins, RES reset pins, DC command selection pins；Model
PB10 pins, the PB11 pins of the microcontroller of STM103RCT6 connect the SCL pipes of the voice module of model XSF5152CE respectively
Foot, SDA pins；VDDA pins, the VSSA pins of the microcontroller of model STM103RCT6 connect model LRS-35-5 respectively
Power module+5V pins, GND pins；
1P pins, the 2P pins connection model ETA3104 insulating sheaths of the power carrier communication module of model KQ330
Folder；
+ 5V pins, the GND pins of the power module of model LRS-35-5 connect respectively OLED display screen VCC pins,
GND pins；+ 5V pins, the GND pins of the power module of model LRS-35-5 connect the language of model XSF5152CE respectively
5V pins, the GND pins of sound module.
Claims (3)
1. a kind of power network line phase sequence administered for three-phase imbalance confirms device, which is characterized in that including central processing mould
Block, power line carrier module, LCD MODULE, voice module, power module, contact module, the central processing module difference
Connect the power line carrier module, the LCD MODULE, the voice module, the power module, the power carrier
Module connects the contact module.
2. a kind of power network line phase sequence administered for three-phase imbalance according to claim 1 confirms device, feature
It is, the central processing module is the microcontroller that kernel is ARM Cortex-M3, model STM103RCT6；The electric power
The model KQ330 of carrier module；The LCD MODULE is OLED display screen；The model of the voice module
XSF5152CE；The model LRS-35-5 of the power module；The contact module is the insulating sheath of model ETA3104
Folder.
3. a kind of power network line phase sequence administered for three-phase imbalance according to claim 2 confirms device, feature
It is, PA8 pins, the PA9 pins of the microcontroller of model STM103RCT6 connect the electricity of model KQ330 respectively
6P, 7P of power carrier communication module；The PA4 pins of the microcontroller of model STM103RCT6, PA5 pins, PA6 pins,
D0 data pins, DI clock pins, RES reset pins, the DC command selections that PA7 pins connect the OLED display screen respectively are drawn
Foot；PB10 pins, the PB11 pins of the microcontroller of model STM103RCT6 connect the institute of model XSF5152CE respectively
State SCL pins, the SDA pins of voice module；VDDA pins, the VSSA pins point of the microcontroller of model STM103RCT6
Not Lian Jie model LRS-35-5 the power module+5V pins, GND pins；
1P pins, the 2P pins connection model ETA3104 insulating sheaths of the power carrier communication module of model KQ330
Folder；
+ 5V pins, the GND pins of the power module of model LRS-35-5 connect the VCC of the OLED display screen respectively
Pin, GND pins；+ 5V pins, the GND pins of the power module of model LRS-35-5 connect model respectively
5V pins, the GND pins of the voice module of XSF5152CE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629137.9U CN207472981U (en) | 2017-11-29 | 2017-11-29 | A kind of power network line phase sequence administered for three-phase imbalance confirms device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629137.9U CN207472981U (en) | 2017-11-29 | 2017-11-29 | A kind of power network line phase sequence administered for three-phase imbalance confirms device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207472981U true CN207472981U (en) | 2018-06-08 |
Family
ID=62260051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721629137.9U Expired - Fee Related CN207472981U (en) | 2017-11-29 | 2017-11-29 | A kind of power network line phase sequence administered for three-phase imbalance confirms device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164307A (en) * | 2018-09-13 | 2019-01-08 | 南昌科晨电力试验研究有限公司 | A kind of distribution transformer phase sequence recognizer |
-
2017
- 2017-11-29 CN CN201721629137.9U patent/CN207472981U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164307A (en) * | 2018-09-13 | 2019-01-08 | 南昌科晨电力试验研究有限公司 | A kind of distribution transformer phase sequence recognizer |
| CN109164307B (en) * | 2018-09-13 | 2020-07-07 | 南昌科晨电力试验研究有限公司 | Phase sequence identification algorithm for distribution transformer |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 Termination date: 20201129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |