CN208847786U - High-frequency high-voltage X high voltage package voltage check device - Google Patents
High-frequency high-voltage X high voltage package voltage check device Download PDFInfo
- Publication number
- CN208847786U CN208847786U CN201821522740.1U CN201821522740U CN208847786U CN 208847786 U CN208847786 U CN 208847786U CN 201821522740 U CN201821522740 U CN 201821522740U CN 208847786 U CN208847786 U CN 208847786U
- Authority
- CN
- China
- Prior art keywords
- voltage
- package
- frequency
- load resistance
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model high-frequency high-voltage X high voltage package voltage check device, it is characterized in that, it is formed including electric control gear and detection case, electric control gear includes autocoupling type pressure regulator, rectification inverter circuit, load resistance is partial pressure type voltage doubling rectifing circuit, the output end of autocoupling type pressure regulator and the input terminal of rectification inverter circuit connect, the output end of rectification inverter circuit is connect with the primary side of the high voltage package of tested high-frequency high-voltage X, the input terminal of voltage doubling rectifing circuit is connect with the secondary side of the high voltage package of tested high-frequency high-voltage X, since the load resistance of voltage doubling rectifing circuit is partial pressure type, the DC voltage at smaller load resistance both ends is detected by using instruments such as multimeter or oscillographs, high voltage package pair side actual output voltage value is calculated.
Description
Technical field
It is that one kind is used for the utility model relates to high-frequency high-voltage X high voltage package voltage check device
Working frequency is measured in 25 kHz to 40 kHz, high voltage package pair side output voltage is penetrated in the high-frequency and high-voltage X of 0 to 50 kilovolt
Line defectoscope high voltage package primary side, the detection device of secondary voltage.
Background technique
High-frequency high-voltage X high voltage package is to go out primary side, secondary side the number of turns by theoretical calculation, then by automatically around
Line machine coiling forms.Because its design production high voltage package due to the difference of technique for coiling, circle it is different from the distance between circle, layer with
The difference of the parameters such as the leakage inductance of the different primary and secondary sides that will lead to high voltage package of the distance between layer and latent cloth capacitor, to can go out
Not the problem of existing primary side, secondary voltage value and Theoretical Design are not inconsistent.It can make the penetration capacity of high-frequency high-voltage X not in this way
Foot punctures the ray tube of high-frequency high-voltage X since output voltage is excessively high.So needing to raw by Theoretical Design
The high voltage package primary side of production, secondary voltage are detected, and high voltage package primary side, secondary voltage is made to be able to satisfy or reach design requirement.
High voltage package primary side, secondary voltage are the high pressures that x-ray flaw detector system test feedback is read by oscillograph at present
Packet original edge voltage, then secondary voltage is calculated by turn ratio.This detection method has following disadvantage.First, oscillograph compared with
To be sensitive, and the electric field strength that high voltage package generates is higher, and being easy to interfere oscillograph makes its read untrue.Second, passing through the number of turns
Than calculating high voltage package secondary voltage and be not counted in the internal loss of high voltage package, result is inaccurate.Third, using this inspection
Survey method, if high voltage package cannot be found in time by voltage breakdown, to be easy to damage high-frequency high-voltage X
Other elements in device.
Utility model content
The purpose of the utility model is to provide a kind of high-frequency high-voltage X high voltage package voltage check devices, can
With simulate high-frequency high-voltage X work when high voltage package working condition measurement high voltage package voltage parameter, pass through by
High-frequency ac voltage is converted to DC voltage ordinary multimeter and can measure, which has anti-interference good, is tested high pressure
, which there is breakdown problem, in packet to be found in time.
The utility model includes electric control gear and detection case composition；Electric control gear include autocoupling type pressure regulator, rectification it is inverse
Power transformation road, load resistance are partial pressure type voltage doubling rectifing circuit.
The input terminal of autocoupling type pressure regulator connects 220 volts of industrial-frequency alternating currents, the output end of autocoupling type pressure regulator and rectification
The input terminal of inverter circuit connects, the high voltage package of the output end of rectification inverter circuit and tested high-frequency high-voltage X
Primary side connection, the input terminal of voltage doubling rectifing circuit are connect with the secondary side of the high voltage package of tested high-frequency high-voltage X.
Sealed container door is offered on the cabinet of detection case, transparency window is offered on sealed container door, is equipped in cabinet
Insulating base is also provided with exhaust fitting, inflation pipe fitting, pressure gauge, multicore junction block on the cabinet of detection case.
The output end of rectification inverter circuit and the high voltage package for the tested high-frequency high-voltage X being placed in detection case
Primary side is attached by multicore junction block；The load resistance being placed in detection case is the small load of partial pressure type voltage doubling rectifing circuit
The both ends of resistance are attached extraction by conducting wire and multicore junction block.
When the utility model detects the secondary side output voltage of high-frequency high-voltage X high voltage package: adjusting certainly
Power-frequency voltage, is rectified into after direct current that be reverse into high-frequency alternating current defeated by rectification inverter circuit by the output voltage of coupling formula pressure regulator
Enter to the primary side of tested high voltage package, voltage doubling rectifing circuit is inputted after high voltage package is boosted, voltage doubling rectifing circuit exports high voltage package
High-frequency alternating current be rectified into pulsating direct current and load at load resistance both ends.Since the load resistance of voltage doubling rectifing circuit is point
Pressure type, i.e. load resistance are composed in series by two or more resistance, by using the instruments such as multimeter or oscillograph detection compared with
High voltage package pair side actual output voltage value is calculated in the DC voltage at small load resistance both ends.
Calculation formula are as follows:
In formula:
V: high voltage package pair side output voltage, unit: volt
Vm: the DC voltage at the small load resistance both ends of voltage multiplying rectifier, unit: volt
RIt is small: the small load resistance of voltage multiplying rectifier, unit: ohm
RAlways: voltage multiplying rectifier total load resistance, unit: ohm
N: the multiple of voltage multiplying rectifier.
The utility model structure is simple, securely and reliably, strong antijamming capability, by rectification inverter circuit by industrial-frequency alternating current
Commutation inversion is high-frequency alternating current, and the high-frequency alternating current of high voltage package pair side output is rectified into pulsating direct current by voltage doubling rectifing circuit
Electricity, the working condition of high voltage package, measures the voltage parameter of high voltage package, thus when simulation high-frequency high-voltage X works
Multimeter or the convenient output voltage for accurately measuring high voltage package pair side of examination wave device can be used, and can find quilt in time by seeing to look into
Survey whether high voltage package breakdown problem occurs.
Detailed description of the invention
Fig. 1 is the utility model embodiment electric control gear circuit diagram, and 1 is autocoupling type pressure regulator, and 2 be commutation inversion electricity
Road, 3 be the high voltage package of tested high-frequency high-voltage X, and 4 be load resistance be partial pressure type voltage doubling rectifing circuit.
Fig. 2 is the utility model embodiment detection case structural schematic diagram.
Specific embodiment
The utility model high-frequency high-voltage X high voltage package voltage check device, including electric control gear and detection case
Composition；Electric control gear include autocoupling type pressure regulator 1, rectification inverter circuit 2, load resistance be partial pressure type voltage doubling rectifing circuit 4.
Shown in figure embodiment, rectification inverter circuit is auto-excitation type rectification inverter circuit, and voltage doubling rectifing circuit is load electricity
Resistance is two multiplication of voltage full-wave rectifying circuit of partial pressure type.
The output end of autocoupling type pressure regulator 1 is connect with the input terminal of auto-excitation type rectification inverter circuit 2, auto-excitation type commutation inversion
The output end of circuit 2 is connect with the primary side of the high voltage package 3 for the tested high-frequency high-voltage X being placed in detection case, is placed in
The intracorporal load resistance of detection case is that the input terminal of two multiplication of voltage full-wave rectifying circuit 4 of partial pressure type and the secondary side of tested high voltage package 3 connect
It connects.
Sealed container door 6 is offered on the cabinet 5 of detection case, transparency window 61 is offered on sealed container door 6, in cabinet 5
It is interior to be equipped with insulating base 62, exhaust fitting 7, inflation pipe fitting 8, pressure gauge 9, more is also provided on the cabinet 5 of detection case
Core junction block 10.
The output end of auto-excitation type rectification inverter circuit 2 and the tested high-frequency high-voltage X being placed in detection box 5
The primary side of high voltage package 3 be attached by multicore junction block 10；The load resistance being placed in detection case is two multiplication of voltage of partial pressure type
The both ends of the small load resistance of full-wave rectifying circuit 4 are attached extraction by conducting wire and multicore junction block 10.
Multicore junction block 10 and the cabinet 5 of detection case are sealedly and fixedly connected by insulating part.
When detecting to high voltage package 3, after high voltage package 3 is placed in cabinet 5, high voltage package 3 and multicore junction block are completed
10 and voltage doubling rectifing circuit 4 connection, close sealed container door 6, then the exhaust fitting 7 and inflation by opening up on cabinet 5
Pipe fitting 8 is first vacuumized in case, is then injected into inert gas (sulfur hexafluoride), is then carried out detection work to high voltage package 3
Make.
The output pressure for adjusting autocoupling type pressure regulator 1, is rectified into direct current for industrial-frequency alternating current by self-excitation rectification inverter circuit 2
The primary side that high-frequency alternating current is input to tested high voltage package 3 is reverse into after electricity, it is point that load resistance is inputed to after the boosting of high voltage package 3
Two multiplication of voltage full-wave rectifying circuit 4 of pressure type, the high-frequency ac electric rectification that two multiplication of voltage full-wave rectifying circuits 4 export after high voltage package is boosted
It is loaded at load resistance both ends since the load resistance of two multiplication of voltage full-wave rectifying circuits is partial pressure mode for direct current load
Resistance is composed in series by two resistance R7, R8, and the DC voltage that small resistance R8 divides is smaller, can pass through multimeter or wave device
High voltage package pair side actual output voltage value is calculated in the DC voltage for detecting the both ends small resistance R8.
Claims (1)
1. high-frequency high-voltage X high voltage package voltage check device, characterized in that including electric control gear and detection case group
It include autocoupling type pressure regulator, rectification inverter circuit, load resistance at, electric control gear is partial pressure type voltage doubling rectifing circuit；
The input terminal of autocoupling type pressure regulator connects 220 volts of industrial-frequency alternating currents, the output end and commutation inversion of autocoupling type pressure regulator
The input terminal of circuit connects, the primary side of the high voltage package of the output end of rectification inverter circuit and tested high-frequency high-voltage X
Connection, the input terminal of voltage doubling rectifing circuit are connect with the secondary side of the high voltage package of tested high-frequency high-voltage X；
Sealed container door is offered on the cabinet of detection case, transparency window is offered on sealed container door, insulation is equipped in cabinet
Bottom plate is also provided with exhaust fitting, inflation pipe fitting, pressure gauge, multicore junction block on the cabinet of detection case；
The primary side of the output end of rectification inverter circuit and the high voltage package for the tested high-frequency high-voltage X being placed in detection case
It is attached by multicore junction block；The load resistance being placed in detection case is the small load resistance of partial pressure type voltage doubling rectifing circuit
Both ends extraction is attached by conducting wire and multicore junction block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821522740.1U CN208847786U (en) | 2018-09-18 | 2018-09-18 | High-frequency high-voltage X high voltage package voltage check device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821522740.1U CN208847786U (en) | 2018-09-18 | 2018-09-18 | High-frequency high-voltage X high voltage package voltage check device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208847786U true CN208847786U (en) | 2019-05-10 |
Family
ID=66373203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821522740.1U Active CN208847786U (en) | 2018-09-18 | 2018-09-18 | High-frequency high-voltage X high voltage package voltage check device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208847786U (en) |
-
2018
- 2018-09-18 CN CN201821522740.1U patent/CN208847786U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104374312B (en) | Method for detecting deformation of power transformer windings | |
| CN103267933B (en) | The method of shelf depreciation in measuring transformer induced voltage test device | |
| CN103278790B (en) | A kind of current transformer ratio polarity high speed tester and method of testing | |
| CN104236702A (en) | System and method for judging interior looseness of power transformer | |
| CN203299270U (en) | Device for accurately measuring CVT grid-side voltage harmonic wave | |
| CN105182126B (en) | Improved distribution transformer energy efficiency metering detection method | |
| CN106546938A (en) | A kind of anti-DC component of current transformer and test even system | |
| CN107831404A (en) | Method and system based on the legal position XLPE cable partial discharge position of high-frequency pulse current | |
| CN102565618A (en) | Method for detecting zero-sequence voltage circuit of transformer substation | |
| CN107045097A (en) | A kind of test of iron-core reactor turn-to-turn insulation batch (-type) induced over voltage withstand test device and test method | |
| CN113759301A (en) | System and method for detecting secondary circuit wiring of voltage transformer | |
| CN111879996A (en) | Transient overvoltage back-calculation method based on electromagnetic voltage transformer | |
| CN103605041B (en) | Non-contact multi-point grounding detection method and system for secondary circuit of current transformer | |
| CN107037307B (en) | A kind of secondary through-flow method of power plant main system c-type | |
| CN207007954U (en) | New-energy automobile radiation disturbance risk assessment easily-testing system | |
| CN202041624U (en) | Direct-current high-voltage test integrated device for internal water cooling generator | |
| CN106383328A (en) | Excitation characteristic test method applicable to ultrahigh-voltage TPY current transformers | |
| CN104459335A (en) | Detecting device and method used for ground capacitance of power distribution network | |
| CN106526356A (en) | Metal oxide lightning arrester live-line detection validity test system | |
| CN208847786U (en) | High-frequency high-voltage X high voltage package voltage check device | |
| CN108181512B (en) | Winding inlet capacitance testing method based on transformer self-oscillation | |
| CN105044432A (en) | Method for measuring leaking current of current transformer | |
| CN202939297U (en) | Verification system for ground resistance tester | |
| CN206161829U (en) | Capacitance type potential transformer's status monitoring device and system | |
| CN213302497U (en) | Current transformer secondary side loop detection device and circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |