CN206195382U - Self -powered electric energy quality analysis integrated device - Google Patents

Self -powered electric energy quality analysis integrated device Download PDF

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Publication number
CN206195382U
CN206195382U CN201621132245.0U CN201621132245U CN206195382U CN 206195382 U CN206195382 U CN 206195382U CN 201621132245 U CN201621132245 U CN 201621132245U CN 206195382 U CN206195382 U CN 206195382U
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China
Prior art keywords
power supply
power
terminal
bipolar transistor
input
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Active
Application number
CN201621132245.0U
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Chinese (zh)
Inventor
郭敏
陈卫东
金庆忍
楚红波
高立克
杨艺云
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Electric Power Research Institute of Guangxi Power Grid Co Ltd
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Electric Power Research Institute of Guangxi Power Grid Co Ltd
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Priority to CN201621132245.0U priority Critical patent/CN206195382U/en
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Abstract

The utility model discloses a self -powered electric energy quality analysis integrated device, including power supply unit and power quality analyzer, power supply unit is responsible for doing power quality analyzer provides the power, power supply unit includes input terminal, change over switch, insulated -gate bipolar transistor and power supply terminal, the output connect switch switch input end of input terminal, the change over switch output is connected with the insulated -gate bipolar transistor input, the input of power supply terminal is connected to the insulated -gate bipolar transistor output, the output of power supply terminal with power quality analyzer's power supply terminal is connected. Use the device can realize getting the electricity nearby, the complicated work having avoided remote and act as go -between, easy operation, portable practicality, when get the power and be not conform to power quality analyzer's power consumption demand in the external world, start inside from taking the battery to be the power quality analyzer power supply, the good reliability, application scope is wide.

Description

A kind of self-powered power quality analysis integrated apparatus
Technical field
The utility model is related to electric supply installation technical field, more particularly to a kind of self-powered power quality analysis integration Device.
Background technology
Improved constantly recently as Chinese society rapid economic development and living standards of the people, need for electricity is gradually climbed Rise, cause supply line many places low-voltage problem occur, Accurate Diagnosis low-voltage problem simultaneously solves to be that major electric companies face Problem.It is used mostly outdoor test instrument at present according to relevant regulations to test low-voltage area, further according to test number According to being diagnosed, solved.If power quality analyzer is exactly a kind of typical outdoor test instrument, it is that operation of power networks quality is entered Row detection and the special portable formula product of analysis, it is possible to provide frequency analysis and the power quality analysis in operation power, can be right Operation of power networks carries out prolonged data acquisition and monitoring, while power quality data analysis software is equipped with, to being uploaded to computer Measurement data carry out various analyses.
When carrying out line test using power quality analyzer in the prior art, due to much electricity mass-synchrometer not Power supply is carried, must be supplied power for from remotely acquisition power supply with drum during work.
Above-mentioned remote bracing wire obtains power supply and is powered to power quality analyzer, and supply line is easily damaged, and causes Test is interrupted, loss of data;If test point is in remote districts, it is impossible to find suitable power supply and powered to power quality analyzer, Brownout is unstable, can cause the failures such as power quality analyzer operation irregularity, test data loss;In addition it is remote Bracing wire is powered and test loop wiring is more complicated, is that whole test process is difficult.
Utility model content
The utility model provides a kind of self-powered power quality analysis integrated apparatus, realizes power taking nearby, it is to avoid The complex work of remote bracing wire, simple to operate, Portable practical;When extraneous power taking power supply does not meet the use of power quality analyzer During electric demand, start inside and carry battery for power quality analyzer is powered, it is highly reliable, it is applied widely.
It is of the present utility model to adopt the following technical scheme that to reach above-mentioned purpose:
A kind of self-powered power quality analysis integrated apparatus, including electric supply installation and power quality analyzer, it is described Electric supply installation is responsible for the power quality analyzer and provides power supply, and the electric supply installation includes input terminal, switching switch, absolutely Edge grid bipolar transistor and power supply terminal, the output end connection switching switch input terminal of the input terminal, the switching are opened Close output end to be connected with insulated gate bipolar transistor input, the insulated gate bipolar transistor output end connects feeder ear The input of son, the power quality analyzer has the power supply terminal matched with the power supply terminal, the power supply terminal It is connected with the power supply terminal.
Preferably, the electric supply installation also includes inverter and battery, the inverter input terminal and the insulated gate Bipolar transistor output end is in parallel, and the inverter output end is connected with the battery.
Preferably, the electric supply installation also includes fuse, and the fuse two ends export with the switching switch respectively End and insulated gate bipolar transistor input connection.
Preferably, the insulated gate bipolar transistor is made up of double pole triode and insulating gate type field effect tube.
Preferably, the input terminal is one or more.
Preferably, the quantity of the power supply terminal is identical with the quantity of the input terminal.
Compared with prior art, a kind of self-powered power quality analysis integrated apparatus that the utility model is provided, it is real Now power taking nearby, it is to avoid the complex work of remote bracing wire, simple to operate, Portable practical;When extraneous power taking power supply does not meet During the need for electricity of outdoor test instrument, start inside and carry battery for outdoor test instrument is powered, highly reliable, the scope of application Extensively.
Brief description of the drawings
Fig. 1 is the self-powered power quality analysis integrated apparatus structural representation of the utility model;
Wherein:1-input terminal, 2-switching switch, 3-fuse, 4-insulation bipolar transistor, 5-battery, 6-inverter, 7-power supply terminal, 8-power quality analyzer, 9-power quality analyzer power supply terminal
Specific embodiment
The utility model provides a kind of self-powered power quality analysis integrated apparatus, including electric supply installation and electric energy matter Amount analyzer 8, the electric supply installation is responsible for the power quality analyzer 8 and provides power supply.As shown in figure 1, the power supply dress Put including input terminal 1, switching switch 2, insulated gate bipolar transistor 4 and power supply terminal 7, the output of the input terminal 1 End connection switching 2 inputs of switch, the switching switchs 2 output ends and is connected with the input of insulated gate bipolar transistor 4, described The output end of insulated gate bipolar transistor 4 connect power supply terminal 7 input, the power quality analyzer 8 have with it is described The power supply terminal 9 that power supply terminal 7 matches, the power supply terminal 9 is connected with the power supply terminal 7.It should be noted that:This reality The input terminal of example is applied for 4, i.e. A`, B`, C` and N`, power supply terminal is also 4, i.e., 1., 2., 3. and 4..It is double by insulated gate Each bar input terminal A`, B`, C` and N` electric signal of bipolar transistor 4 pairs carries out corresponding different switching, and through 4 power supply terminals 1., 2., 3. and 4. export, to meet the power demands of various outdoor test instrument.
The utility model embodiment insulated gate bipolar transistor 4 is by double pole triode and insulating gate type field effect tube group Into, wherein, the transistor with Current amplifier effect that double pole triode is made up of two back-to-back PN junctions, insulation Grid-type FET 4 is also referred to as metal-oxide semiconductor (MOS) triode, and the metal-oxide-semiconductor generally said refers to just insulating gate type field effect tube. The electric signal of each bar input terminal A`, B`, C` and N` is carried out corresponding different switching by insulated gate bipolar transistor 4, makes each bar 1., 2., 3. and 4. power supply terminal exports different electrical signals.In the present embodiment, 1. power supply terminal exports alternating current 220V, power supply terminal 2. output exchanges 380V, and 3. power supply terminal exports direct current 24V, and 4. power supply terminal exports direct current 48V, to meet various outdoor tests The power demands of instrument, user can according to actual needs select different power supply terminals to be connected with the power supply terminal of tester Connect.
With reference to above-mentioned, further, electric supply installation of the present utility model also includes inverter 6 and battery 5, the inversion The input of device 6 is in parallel with the output end of the insulated gate bipolar transistor 4;The output end of the inverter 6 is gone here and there with the battery 5 Connection.When residing test environment cannot find extraneous circuit or connection external world circuit is had any problem, make battery 5 via inverter 6 Output electric discharge, powers to outdoor test instrument.
With reference to above-mentioned, further, electric supply installation of the present utility model also includes fuse 3, the two ends of the fuse 3 point It is not connected with switching 2 output ends of switch and the input of the insulated gate bipolar transistor 4.The fuse 3 is used to prevent The electric supply installation internal fault that only the utility model is provided causes the generation of the accident such as external circuit short circuit and upper level tripping operation.
When using, it is first determined the type and voltage class of power supply needed for outdoor test instrument, by the feeder ear of electric supply installation Son 7 is connected with the power supply terminal 9 of outdoor test instrument, if outdoor test instrument needs the direct current of 24V, electric supply installation may be selected 4. 3. power supply terminal, if outdoor test instrument needs the direct current of 48V, may be selected electric supply installation power supply terminal;If outdoor Tester needs the alternating current of 220V, then electric supply installation power supply terminal may be selected 1., if outdoor test instrument needs the friendship of 380V 2. stream electricity, then may be selected electric supply installation power supply terminal;Then, four input terminals A`, B`, C` and N` of electric supply installation are distinguished Corresponding connection is carried out to three-phase and four-line A, B, C and N of AC power;Electric supply installation and outdoor test instrument are finally respectively started, i.e., Power supply can be started.
Compared to a kind of self-powered power quality analysis integrated apparatus that prior art, the utility model are provided, can Realizing power taking nearby, it is to avoid the complex work of remote bracing wire, simple to operate, Portable practical;When extraneous power taking power supply not When meeting the need for electricity of power quality analyzer, start inside and carry battery for power quality analyzer is powered, reliability By force, it is applied widely.

Claims (6)

1. a kind of self-powered power quality analysis integrated apparatus, it is characterised in that including electric supply installation and the quality of power supply point Analyzer, the electric supply installation is responsible for the power quality analyzer and provides power supply, and the electric supply installation includes input terminal, cuts Change switch, insulated gate bipolar transistor and power supply terminal, the output end connection switching switch input terminal of the input terminal, institute State switching output switching terminal to be connected with insulated gate bipolar transistor input, the insulated gate bipolar transistor output end connects The input of power supply terminal is connect, the power quality analyzer has the power supply terminal matched with the power supply terminal, described Power supply terminal is connected with the power supply terminal.
2. self-powered power quality analysis integrated apparatus according to claim 1, it is characterised in that the power supply dress Putting also includes inverter and battery, and the inverter input terminal is in parallel with the insulated gate bipolar transistor output end, institute Inverter output end is stated to be connected with the battery.
3. self-powered power quality analysis integrated apparatus according to claim 1, it is characterised in that the power supply dress Putting also includes fuse, and the fuse two ends switch output switching terminal and the insulated gate bipolar transistor with described respectively Input is connected.
4. self-powered power quality analysis integrated apparatus according to claim 1, it is characterised in that the insulated gate Bipolar transistor is made up of double pole triode and insulating gate type field effect tube.
5. self-powered power quality analysis integrated apparatus according to claim 1, it is characterised in that the input Son is one or more.
6. self-powered power quality analysis integrated apparatus according to claim 1, it is characterised in that the feeder ear The quantity of son is identical with the quantity of the input terminal.
CN201621132245.0U 2016-10-18 2016-10-18 Self -powered electric energy quality analysis integrated device Active CN206195382U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621132245.0U CN206195382U (en) 2016-10-18 2016-10-18 Self -powered electric energy quality analysis integrated device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621132245.0U CN206195382U (en) 2016-10-18 2016-10-18 Self -powered electric energy quality analysis integrated device

Publications (1)

Publication Number Publication Date
CN206195382U true CN206195382U (en) 2017-05-24

Family

ID=58731157

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621132245.0U Active CN206195382U (en) 2016-10-18 2016-10-18 Self -powered electric energy quality analysis integrated device

Country Status (1)

Country Link
CN (1) CN206195382U (en)

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