CN106646311A - Portable high-voltage charged displayer verification device - Google Patents
Portable high-voltage charged displayer verification device Download PDFInfo
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- CN106646311A CN106646311A CN201611051956.XA CN201611051956A CN106646311A CN 106646311 A CN106646311 A CN 106646311A CN 201611051956 A CN201611051956 A CN 201611051956A CN 106646311 A CN106646311 A CN 106646311A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
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Abstract
The invention provides a portable high-voltage charged displayer verification device. The portable high-voltage charged displayer verification device comprises a power supply module, a DC boosting module, an inversion module and an AC boosting module. The DC boosting module boosts 12V voltage outputted by the power supply module to 100V-240V voltage; the inversion module converts the 100V-240V direct current outputted by the DC boosting module into alternating current; and the AC boosting module boosts the alternating current outputted by the inversion module to high-voltage electricity which is suitable for verifying a high-voltage charged displayer. The invention provides a high-voltage charged displayer verification device, integration of the test instrument is achieved, the weight of the test instrument is greatly reduced, and the safety of the test process is improved. The portable high-voltage charged displayer verification device is economic and convenient, compared with test instruments and test methods which are used at present, the portable high-voltage charged displayer verification device is advantaged in that the acquisition cost of the instrument is greatly reduced, and the human cost is saved.
Description
Technical field
The present invention relates to a kind of calibration equipment of high-voltage charge display device.
Background technology
In order to ensure safe operation of power system, it is desirable to electric operation is carried out to electric device or electrical equipment correctly, is prevented
The only frequent generation of five kinds of pernicious misoperation faults, " five prevent " work is listed in always for many years the transformation of power department focus technology
One of project.So-called power system " five prevent ", refer to prevent by mistake point, falsely close circuit breaker, prevent on-load point, close disconnecting switch,
Prevent live connection of ground wire or close earthed switch, prevent line with ground or do not separate earthed switch to close disconnecting switch, prevent from being strayed into
Powered interval.《Electric industry safety work code》With《Prevent 25 important requirements of power generation major accident》All to powered
Show and blocking device configuration and using requirement is proposed, be, up to this purpose, to press off in high-tension switch cabinet, handcart-type height
Close in cabinet or ring main unit and each interval of open type transformer station, high-voltage charge display device is installed, to the band for showing high tension loop
Electricity condition, warning, announcement operations staff and maintainer, is prevented from equipment electric misoperation and guarantees personal safety.According to
State Grid Corporation of China company standard Q/GDW 1168-2013《Power transmission and transformation State Overhaul Test code》Require, high-tension switch cabinet example
Row pilot project should be comprising charged display device inspection.
Powered display is completed during at present site examining and repairing works using active ac pressure regulator and testing transformer cooperation more to fill
The verification put, the method testing equipment is heavy, test connection is complicated, and Vital Voltage node is unintelligible in checking procedure, during operation
Pay particular attention to high voltage dangerous, it is clear that the actual verifying work needs of substation field cannot be met.
Exfactory inspection of the producer to high-voltage charge display device is the site environment by building an emulation, existing by simulation
Field device band electrically checks product.Concretely comprise the following steps：(1) inlet wire of one relevant voltage grade of imitating substation construction on site
Or outgoing line interval；(2) electrification display (including sensor and its signal cable input wires etc.) is installed and arrives relevant position；
(3) relevant voltage grade high voltage is exported by regulator and step-up transformer (high pressure generator)；(4) electrification in high voltage is verified
Display simultaneously adjusts high-voltage charge display device sensitivity to most suitable position, it is ensured that high-voltage charge display device shows when circuit is powered
Show that powered and reliable locking, circuit are shown without electricity and open locking without high-voltage charge display device during electricity.The method testing equipment is stupid
Weight, test connection are complicated, high voltage are paid particular attention to during operation dangerous, it is clear that cannot meet the actual verification work of substation field
Need.
Additionally, signal generator common in the market, also cannot be directly as high-voltage charge display device calibration equipment
Use, reason is as follows：(1) output area or output accuracy cannot meet high-voltage charge display device verification and require；(2) export and insert
Seat and output connection are plain conductor, it is impossible to meet high-voltage charge display device verification wiring requirement.
The content of the invention
Technical problem underlying to be solved by this invention is to provide a kind of calibration equipment of high-voltage charge display device, realizes examination
The integration of instrument is tested, test apparatus weight is mitigated significantly, improve the security of process of the test.Economy is convenient, makes at present relatively
Test apparatus and test method, greatly reduce Instrument purchase fund and save human cost.
In order to solve above-mentioned technical problem, the invention provides a kind of verification dress of portable high-pressure electrification display
Put, including：Supply module, DC boosting module, inversion module, AC boosting module；
The 12V boost in voltage that the DC boosting module exports supply module is 100V-240V；The inversion module will
The 100V-240V direct currents of DC boosting module output are converted to alternating current；The AC boosting module exports inversion module
Alternating current boost to the high-tension electricity that the verification of suitable high-voltage charge display device is used.
In a preferred embodiment：The DC boosting module be single-phase full bridge boost circuit, the primary line of its transformer
Circle side includes switching tube Q1, Q2, Q3, Q4；The colelctor electrode of described switching tube Q1, Q3 is defeated with the positive pole of supply module after being connected with each other
Go out end connection；The emitter stage of described switching tube Q2, Q4 is connected after being connected with each other with the cathode output end of supply module；Switching tube Q2
Colelctor electrode be connected with the emitter stage of Q1 after be connected with one end of primary coil；The colelctor electrode of switching tube Q4 connects with the emitter stage of Q3
It is connected with the other end of the transformer after connecing；
The conducting state of described switching tube Q1, Q4 is identical, and the conducting state of Q2, Q3 is identical, and the phase place between Q1, Q4
Difference is 180 °；
The second coil side of the transformer is additionally provided with commutation diode, and the boosting that transformer secondary coil side is produced is handed over
Stream electric rectification is 100V-240V direct currents.
In a preferred embodiment：The DC boosting module be single-phase semi-bridge booster circuit, the primary line of its transformer
Circle side includes switching tube Q5, Q6；The colelctor electrode of switching tube Q5 is connected with the cathode output end of supply module；The switching tube
The emitter stage of Q6 is connected with the cathode output end of supply module, colelctor electrode be connected with the emitter stage of switching tube Q5 after with the beginning of transformer
One end connection of level coil；It is also connected with two between the cathode output end and cathode output end of the supply module to be connected in series
Electric capacity, the common port of described two electric capacity is connected with the other end of transformer；
Conduction phase difference before described switching tube Q5, Q6 is 180 °；
The second coil side of the transformer is additionally provided with commutation diode, and the boosting that transformer secondary coil side is produced is handed over
Stream electric rectification is 100V-240V direct currents.
In a preferred embodiment：The inversion module includes pwm control circuit and inverter circuit；
The inverter circuit is H bridge inverter bridges, and the pwm control circuit is input into H1 and H2 two path control signals to the H
Two inputs of bridge inverter bridge, the phase difference between control signal H1, H2 with 180 °；
In the H bridges inverter bridge, control signal H1 charges respectively through resistance R2 and diode E2 to electric capacity C2；Control letter
Number H2 charges to electric capacity C2, charges to electric capacity C3 through resistance R1 through diode E4.
In a preferred embodiment：Also include switching tube G1, G2, G3, G4 in the H bridges inverter bridge；
The grid of switching tube G1 is connected with the emitter stage of switching regulator controller D2, the base stage of switching regulator controller D3, source electrode
Ground connection, it is the switching tube of high level cut-off low level conducting；
The grid of switching tube G2 is connected with the emitter stage of switching regulator controller D1, and source electrode is connected with electric capacity C3, drains and opens
The drain electrode connection of pipe G1 is closed, it is the switching tube of low level cut-off high level conducting；
The grid of switching tube G3 is connected with the emitter stage of switching regulator controller D4, the base stage of switching regulator controller D1, source electrode
Ground connection, it is the switching tube of high level cut-off low level conducting；
The grid of switching tube G4 is connected with the emitter stage of switching regulator controller D3, and source electrode is connected with the source electrode of switching tube G2,
Drain electrode is connected with the drain electrode of switching tube G3, and it is the switching tube of low level cut-off high level conducting；
Described electric capacity C2, C3 are connected to the colelctor electrode of switching regulator controller D1, D2, D3, D4.
In a preferred embodiment：Connect inversion coil L between the drain electrode of described switch mosfet pipe G1, G2, G3, G4.
In a preferred embodiment：The number of turns ratio of primary winding and secondary coil is 220 in the AC boosting module:
5000。
In a preferred embodiment：Described switching tube G1, G2, G3, G4 are MOSFET or IGBT or GTO or SIT.
Compared to prior art, technical scheme possesses following beneficial effect：
A kind of calibration equipment of high-voltage charge display device that the present invention is provided, is effectively improved current high-voltage charge display device and shows
Test apparatus is heavy in the verifying work of field, test connection is complicated, experimental enviroment has in a jumble potential safety hazard, realizes test
The integration of instrument, mitigates test apparatus weight significantly, improves the security of process of the test.Economy is convenient, uses at present relatively
Test apparatus and test method, greatly reduce Instrument purchase fund and save human cost.
Description of the drawings
Fig. 1 is the FB(flow block) of the preferred embodiment of the present invention 1；
Fig. 2 is the circuit diagram of the DC boosting module of the preferred embodiment of the present invention 1；
Fig. 3 is inverter circuit figure in the preferred embodiment of the present invention 1；
Fig. 4 is the circuit diagram of the DC boosting module of the preferred embodiment of the present invention 2.
Specific embodiment
Hereafter by the drawings and specific embodiments, the present invention will be further described.
Embodiment 1
With reference to Fig. 1-3, a kind of calibration equipment of portable high-pressure electrification display, including：Supply module, DC boosting mould
Block, inversion module, AC boosting module；
The 12V boost in voltage that the DC boosting module exports supply module is 100V-240V；The inversion module will
The 100V-240V direct currents of DC boosting module output are converted to alternating current；The AC boosting module exports inversion module
Alternating current boost to the high-tension electricity that the verification of suitable high-voltage charge display device is used.
Concrete structure is as follows：The DC boosting module be single-phase full bridge boost circuit, the primary side of its transformer
Including switching tube Q1, Q2, Q3, Q4；The colelctor electrode of described switching tube Q1, Q3 is connected with each other the cathode output end of rear and supply module
Connection；The emitter stage of described switching tube Q2, Q4 is connected after being connected with each other with the cathode output end of supply module；The collection of switching tube Q2
Electrode is connected after being connected with the emitter stage of Q1 with one end of primary coil；After the colelctor electrode of switching tube Q4 is connected with the emitter stage of Q3
It is connected with the other end of the transformer；
The conducting state of described switching tube Q1, Q4 is identical, and the conducting state of Q2, Q3 is identical, and the phase place between Q1, Q4
Difference is 180 °；
The second coil side of the transformer is additionally provided with commutation diode, and the boosting that transformer secondary coil side is produced is handed over
Stream electric rectification is 100V-240V direct currents.So as to complete the process of whole DC boosting.
The inversion module includes pwm control circuit and inverter circuit；
The inverter circuit is H bridge inverter bridges, and the pwm control circuit is input into H1 and H2 two path control signals to the H
Two inputs of bridge inverter bridge, the phase difference between control signal H1, H2 with 180 °；
In the H bridges inverter bridge, control signal H1 charges respectively through resistance R2 and diode E2 to electric capacity C2；Control letter
Number H2 charges to electric capacity C2, charges to electric capacity C3 through resistance R1 through diode E4.
Also include switch mosfet pipe G1, G2, G3, G4 in the H bridges inverter bridge；
The grid of switching tube G1 is connected with the emitter stage of MOSFET tube controller D2, the base stage of MOSFET tube controller D3,
Source ground, it is the switching tube of high level cut-off low level conducting；
The grid of switching tube G2 is connected with the emitter stage of MMOSFET tube controller D1, and source electrode is connected with electric capacity C3, drain electrode with
The drain electrode connection of switching tube G1, it is the switching tube of low level cut-off high level conducting；
The grid of switching tube G3 is connected with the emitter stage of MOSFET tube controller D4, the base stage of MMOSFET tube controller D1,
Source ground, it is the switching tube of high level cut-off low level conducting；
The grid of switching tube G4 is connected with the emitter stage of MOSFET tube controller D3, and source electrode connects with the source electrode of switching tube G2
Connect, drain electrode is connected with the drain electrode of switching tube G3, it is the switching tube of low level cut-off high level conducting；
Described electric capacity C2, C3 are connected to the colelctor electrode of MOSFET tube controller D1, D2, D3, D4.
Connect inversion coil L between the drain electrode of described switch mosfet pipe G1, G2, G3, G4.
The H bridges inverter bridge is divided into the following four course of work：
(1) when PWM1 ports are output as 1 (high level), when PWM2 ports are output as 0 (low level), from figure, G2 and
G4 just will be simultaneously turned on, and in this case, G1 and G3 is in cut-off naturally, in addition, MMOSFET tube controllers D2 and D3 are simultaneously
Conducting, and D1 and D4 ends simultaneously.Inverter current loop is D2 → inversion coil L → D3.
(2) when H1 is 0 (low level), and H2 is 1 (high level), the G1 and G3 of MOSFET pipes is simultaneously turned in bridge arm, G2 and
G4 ends simultaneously, and MMOSFET tube controller D1 and D4 are simultaneously turned on, and D2 and D3 ends simultaneously.Inverter current loop be D4 →
Inversion coil L → D1.
(3) when H1 is 0 (low level), and H2 is 0 (low level), the G1 and G4 of MOSFET pipes is simultaneously turned in bridge arm, G2 and
G3 ends simultaneously, and drives MOSFET tube controllers D1, D2, D3 and D4 to end simultaneously, and now H-bridge circuit quits work.
The number of turns ratio of primary winding and secondary coil is 220 in the AC boosting module:5000, inversion module is exported
Alternating current boost to the 5000V high-tension electricities that the verification of suitable high-voltage charge display device is used.
In the present embodiment, be also provided with radio remote control switch, be capable of achieving 100 meters and within to high-voltage charge display device verify
The control of instrument, and can realize wirelessly opening or control information transmission, be transferred to electronic equipment and can be received, work as electronics
Equipment sends the feedback after the completion of on or off order, and switchgear can also receive and react.
In the present embodiment, switching tube G1, G2, G3, G4 can with, using gated transistor (IGBT) or brilliant lock can be turned off
Pipe (GTO) or static induction transistor (SIT).
Embodiment 2
With reference to Fig. 4, the present embodiment is with the difference of embodiment 1：The DC boosting module is that single-phase semi-bridge rises piezoelectricity
Road, the primary side of its transformer includes switching tube Q5, Q6；The colelctor electrode of the switching tube Q5 is defeated with the positive pole of supply module
Go out end connection；The emitter stage of switching tube Q6 is connected with the cathode output end of supply module, and colelctor electrode is sent out with switching tube Q5's
It is connected with one end of transformer after emitter-base bandgap grading connection；Between the cathode output end and cathode output end of the supply module
Two electric capacity being connected in series are also connected with, the common port of described two electric capacity is connected with the other end of transformer；
Conduction phase difference before described switching tube Q5, Q6 is 180 °；
The second coil side of the transformer is additionally provided with commutation diode, and the boosting that transformer secondary coil side is produced is handed over
Stream electric rectification is 100V-240V direct currents.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
All should be included within the scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
It is defined.
Claims (8)
1. a kind of calibration equipment of portable high-pressure electrification display, it is characterised in that include：Supply module, DC boosting mould
Block, inversion module, AC boosting module；
The 12V boost in voltage that the DC boosting module exports supply module is 100V-240V；The inversion module is by direct current
The 100V-240V direct currents of boost module output are converted to alternating current；The friendship that the AC boosting module exports inversion module
The high-tension electricity that stream electric boost is used to the verification of suitable high-voltage charge display device.
2. the calibration equipment of a kind of portable high-pressure electrification display according to claim 1, it is characterised in that：It is described straight
Stream boost module is single-phase full bridge boost circuit, and the primary side of its transformer includes switching tube Q1, Q2, Q3, Q4；It is described to open
The colelctor electrode of pass pipe Q1, Q3 is connected after being connected with each other with the cathode output end of supply module；The emitter stage of described switching tube Q2, Q4
It is connected with the cathode output end of supply module after being connected with each other；The colelctor electrode of switching tube Q2 be connected with the emitter stage of Q1 after with primary
One end connection of coil；The colelctor electrode of switching tube Q4 be connected with the emitter stage of Q3 after the other end with the transformer
Connection；
The conducting state of described switching tube Q1, Q4 is identical, and the conducting state of Q2, Q3 is identical, and the phase difference between Q1, Q4 is
180°；
The second coil side of the transformer is additionally provided with commutation diode, the boosting alternating current that transformer secondary coil side is produced
Rectification is 100V-240V direct currents.
3. the calibration equipment of a kind of portable high-pressure electrification display according to claim 1, it is characterised in that：It is described straight
Stream boost module is single-phase semi-bridge booster circuit, and the primary side of its transformer includes switching tube Q5, Q6；The switching tube Q5
Colelctor electrode be connected with the cathode output end of supply module；The emitter stage of the switching tube Q6 and the cathode output end of supply module
Connection, colelctor electrode is connected after being connected with the emitter stage of switching tube Q5 with one end of transformer；The supply module
Two electric capacity being connected in series, the common port and transformation of described two electric capacity are also connected between cathode output end and cathode output end
The other end connection of device primary coil；
Conduction phase difference before described switching tube Q5, Q6 is 180 °；
The second coil side of the transformer is additionally provided with commutation diode, the boosting alternating current that transformer secondary coil side is produced
Rectification is 100V-240V direct currents.
4. the calibration equipment of a kind of portable high-pressure electrification display according to Claims 2 or 3, it is characterised in that：Institute
Inversion module is stated including pwm control circuit and inverter circuit；
The inverter circuit is H bridge inverter bridges, and the pwm control circuit input H1 and H2 two path control signals are inverse to the H bridges
Become two inputs of bridge, there is 180 ° of phase difference between control signal H1, H2；
In the H bridges inverter bridge, control signal H1 charges respectively through resistance R2 and diode E2 to electric capacity C2；Control signal H2
Charge to electric capacity C2, charge to electric capacity C3 through resistance R1 through diode E4.
5. the calibration equipment of a kind of portable high-pressure electrification display according to claim 4, it is characterised in that：The H
Also include switching tube G1, G2, G3, G4 in bridge inverter bridge；
The grid of switching tube G1 is connected with the emitter stage of switching regulator controller D2, the base stage of switching regulator controller D3, source ground,
It is the switching tube of high level cut-off low level conducting；
The grid of switching tube G2 is connected with the emitter stage of switching regulator controller D1, and source electrode is connected with electric capacity C3, drains and switching tube
The drain electrode connection of G1, it is the switching tube of low level cut-off high level conducting；
The grid of switching tube G3 is connected with the emitter stage of switching regulator controller D4, the base stage of switching regulator controller D1, source ground,
It is the switching tube of high level cut-off low level conducting；
The grid of switching tube G4 is connected with the emitter stage of switching regulator controller D3, and source electrode is connected with the source electrode of switching tube G2, drain electrode
It is connected with the drain electrode of switching tube G3, it is the switching tube of low level cut-off high level conducting；
Described electric capacity C2, C3 are connected to the colelctor electrode of switching regulator controller D1, D2, D3, D4.
6. the calibration equipment of a kind of portable high-pressure electrification display according to claim 5, it is characterised in that：It is described
Connect inversion coil L between the drain electrode of switch mosfet pipe G1, G2, G3, G4.
7. the calibration equipment of a kind of portable high-pressure electrification display according to claim 6, it is characterised in that：The friendship
The number of turns ratio of primary winding and secondary coil is 220 in stream boost module:5000.
8. the calibration equipment of a kind of portable high-pressure electrification display according to claim 7, it is characterised in that：It is described to open
It is MOSFET or IGBT or GTO or SIT to close pipe G1, G2, G3, G4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611051956.XA CN106646311B (en) | 2016-11-25 | 2016-11-25 | Verification device of portable high-voltage electrified display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611051956.XA CN106646311B (en) | 2016-11-25 | 2016-11-25 | Verification device of portable high-voltage electrified display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106646311A true CN106646311A (en) | 2017-05-10 |
| CN106646311B CN106646311B (en) | 2023-06-16 |
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ID=58811315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611051956.XA Active CN106646311B (en) | 2016-11-25 | 2016-11-25 | Verification device of portable high-voltage electrified display |
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| CN (1) | CN106646311B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108173446A (en) * | 2018-03-16 | 2018-06-15 | 国网福建省电力有限公司厦门供电公司 | Portable intelligent increasing apparatus |
| CN112666505A (en) * | 2020-12-04 | 2021-04-16 | 广西电网有限责任公司崇左供电局 | Method and system for detecting high-voltage charged display |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108173446A (en) * | 2018-03-16 | 2018-06-15 | 国网福建省电力有限公司厦门供电公司 | Portable intelligent increasing apparatus |
| CN112666505A (en) * | 2020-12-04 | 2021-04-16 | 广西电网有限责任公司崇左供电局 | Method and system for detecting high-voltage charged display |
| CN112666505B (en) * | 2020-12-04 | 2024-01-23 | 广西电网有限责任公司崇左供电局 | Method and system for detecting high-voltage charged display |
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| Publication number | Publication date |
|---|---|
| CN106646311B (en) | 2023-06-16 |
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