CN109884461A - Traveling wave generating device - Google Patents
Traveling wave generating device Download PDFInfo
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- CN109884461A CN109884461A CN201811396176.8A CN201811396176A CN109884461A CN 109884461 A CN109884461 A CN 109884461A CN 201811396176 A CN201811396176 A CN 201811396176A CN 109884461 A CN109884461 A CN 109884461A
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- traveling wave
- oscillating circuit
- transformer
- generating device
- wave generating
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Abstract
The present invention provides a kind of traveling wave generating devices, are related to the technical field of traveling wave generation, comprising: energy supply circuit, transformer, trigger switch and oscillating circuit；The output end of the energy supply circuit is connect with the primary side of the transformer, and the secondary side connection of the transformer connects the oscillating circuit by the trigger switch；The output of the oscillating circuit generates high frequency traveling wave, and the mesh by reaching adjustable output traveling-wave waveform to adjustable transformer, controllable impedance and adjustable rheostatic proportion for generating traveling wave, by the oscillating circuit.
Description
Technical field
The present invention relates to traveling wave generation technique fields, more particularly, to a kind of traveling wave generating device.
Background technique
Electric power is the power producer of the national economic development, provides reliable electric power safeguard for socio-economic development.Cause
This, the safe and reliable most important thing for being national economy can be fast-developing of Operation of Electric Systems.Transmission line of electricity is electric energy
Unique transport channel, is the economic lifeline of electric system, and failure directly threatens the safe and stable operation of electric system.With
The development of the communication technology, Travelling Wave Fault Location technology gradually promote, but in the prior art fault traveling wave exist occur
Waveform is undesirable, technical problem that frequency is lower.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of traveling wave generating device, to solve failed row in the prior art
There is the technical problem that the waveform occurred is undesirable, frequency is lower in wave.
In a first aspect, the embodiment of the invention provides a kind of traveling wave generating devices, comprising: energy supply circuit, transformer, touching
Hair switch and oscillating circuit；
The output end of the energy supply circuit is connect with the primary side of the transformer, and the secondary side connection of the transformer passes through
The trigger switch connects the oscillating circuit；The output of the oscillating circuit is for generating traveling wave.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein
Further include: traveling wave sensor and coupling sensor；
The input terminal of the traveling wave sensor is connect with the output end of the oscillating circuit, the output end of the sensor
It is connect with the input terminal of the coupling sensor.
With reference to first aspect, the embodiment of the invention provides second of possible embodiments of first aspect, wherein
Further include: oscillograph；
The input terminal of the oscillograph is connect with the output end of the coupling sensor.
With reference to first aspect, the embodiment of the invention provides the third possible embodiments of first aspect, wherein
The energy supply circuit includes: power supply and switch；
The power supply is connected to the primary side of the transformer by the switch.
With reference to first aspect, the embodiment of the invention provides the 4th kind of possible embodiments of first aspect, wherein
Further include: rectification silicon stack；
The input terminal of the rectification silicon stack is connect with the output end on the secondary side of the transformer, the rectification silicon stack it is defeated
Outlet is connected to the oscillating circuit by the trigger switch.
With reference to first aspect, the embodiment of the invention provides the 5th kind of possible embodiments of first aspect, wherein
The oscillating circuit includes: capacitor, resistance and inductance；
The oscillating circuit includes capacitor, resistance and the inductance being connected in series.
With reference to first aspect, the embodiment of the invention provides the 6th kind of possible embodiments of first aspect, wherein
The trigger switch includes: two-way disconnecting link；
Capacitance cathode connection in the static contact and vibrating circuit of the two-way disconnecting link, when the dynamic touching of the two-way disconnecting link
When head is connect with the first stationary contact, the energy supply circuit gives the capacitor charging；When the moving contact and second of the two-way disconnecting link
When stationary contact connects, the oscillating circuit forming circuit, the capacitor is powered to the oscillating circuit.
With reference to first aspect, the embodiment of the invention provides the 7th kind of possible embodiments of first aspect, wherein
The resistance includes: discharge resistance and divider resistance.
With reference to first aspect, the embodiment of the invention provides the 8th kind of possible embodiments of first aspect, wherein
The inductance includes: variable inductor.
With reference to first aspect, the embodiment of the invention provides the 9th kind of possible embodiments of first aspect, wherein
The transformer includes: adjustable transformer.
In embodiments of the present invention, a kind of traveling wave generating device is provided, comprising: energy supply circuit, transformer, triggering are opened
Pass and oscillating circuit；The output end of the energy supply circuit is connect with the primary side of the transformer, the secondary side connection of the transformer
The oscillating circuit is connected by the trigger switch；The output of the oscillating circuit passes through the oscillation for generating traveling wave
Circuit generates high frequency traveling wave, and by reaching adjustable output to adjustable transformer, controllable impedance and adjustable rheostatic proportion
The mesh of traveling-wave waveform.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claim
Specifically noted structure is achieved and obtained in book and attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and match
Appended attached drawing is closed, is described in detail below.
Detailed description of the invention
It, below will be to tool in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Body embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing be some embodiments of the present invention, for those of ordinary skill in the art, what is do not made the creative labor
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of traveling wave generating device structural schematic diagram provided in an embodiment of the present invention；
Fig. 2 is another traveling wave generating device structural schematic diagram provided in an embodiment of the present invention.
Icon:
01- power supply；02- transformer；03- rectification silicon stack；The two-way disconnecting link of 04-；05- bleeds off pressure resistance；06- divider resistance；
07- inductance；08- traveling wave sensor；09- coupling sensor；10- oscillograph.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
In currently available technology there is the technical problem that the waveform occurred is undesirable, frequency is lower in fault traveling wave, be based on
This, a kind of traveling wave generating device provided in an embodiment of the present invention can generate high frequency traveling wave by the oscillating circuit, and
By the mesh for reaching adjustable output traveling-wave waveform to adjustable transformer, controllable impedance and adjustable rheostatic proportion.
It is as shown in Figure 1 a kind of traveling wave generating device structural schematic diagram provided in an embodiment of the present invention, for convenient for this reality
It applies example to be understood, describe in detail first to a kind of traveling wave generating device disclosed in the embodiment of the present invention, the traveling wave
Generating device, comprising: energy supply circuit, transformer 02, trigger switch 04 and oscillating circuit；
The output end of the energy supply circuit is connect with the primary side of the transformer 02, the secondary side connection of the transformer 02
The oscillating circuit is connected by the trigger switch 04；The output of the oscillating circuit is for generating traveling wave.
In embodiments of the present invention, the energy supply circuit connects the primary side of the transformer 02, the trigger switch 04 with
The secondary side of the transformer 02, the oscillating circuit are connect with the trigger switch 04, and the energy supply circuit passes through transformer 02
Output voltage is adjusted to the load supplying on the secondary side, the trigger switch 04 is used to manage the working condition of oscillating circuit, when
When needing circuit output waveform, trigger switch 04 makes oscillating circuit form access, generates traveling wave, and by using vibration
Swinging circuit makes circuit oscillation generate high frequency traveling wave, to solve the problems, such as that it is low that existing traveling wave generating device generates waveform frequency.
It is as shown in Figure 2 that another traveling wave provided in an embodiment of the present invention occurs in another embodiment of the present invention
Apparatus structure schematic diagram, the traveling wave generating device further include: traveling wave sensor 08 and coupling sensor 09；
The input terminal of the traveling wave sensor 08 is connect with the output end of the oscillating circuit, the output of the sensor
End is connect with the input terminal of the coupling sensor 09.
In embodiments of the present invention, the traveling wave sensor 08 is used to detect the traveling wave returned, institute with coupling sensor 09
Traveling wave sensor 08 is stated for sensed current signal, the coupling sensor 09 is for converting collected current signal to
Voltage signal, to access 10 display waveform of oscillograph, which is not limited by the present invention for the type of the coupling sensor 09,
Depending on specifically can be according to actual conditions.
In another embodiment of the present invention, the energy supply circuit includes: power supply 01 and switch 11；
The power supply 01 is connected to the primary side of the transformer 02 by the switch 11.
In embodiments of the present invention, for the switch 11 for controlling whether power supply 01 starts to power, the power supply 01 is used
The switch 11 is connected to the primary side of the transformer 02, and for the secondary side power supply to transformer 02, the general power supply 01 is adopted
With 220V alternating current.
In another embodiment of the present invention, the traveling wave generating device further include: rectification silicon stack 03；
The input terminal of the rectification silicon stack 03 is connect with the output end on the secondary side of the transformer 02, the rectification silicon stack
03 output end is connected to the oscillating circuit by the trigger switch 04.
In embodiments of the present invention, the output end on the secondary side of the input terminal of the rectification silicon stack 03 and the transformer 02
Connection, so as to electric current can only one-way flow, from the input terminal of the rectification silicon stack 03 flow into, from the defeated of the rectification silicon stack 03
Outlet outflow, the output end of the rectification silicon stack 03 are connect with the oscillating circuit, and the electric current flows into the oscillating circuit.
In another embodiment of the present invention, the oscillating circuit includes: capacitor, resistance and inductance 07；
The oscillating circuit includes capacitor, resistance and the inductance 07 being connected in series.
In embodiments of the present invention, the oscillating circuit is RLC oscillating circuit, and R is resistance, and L is inductance 07, C is electricity
Hold, wherein the resistance may include discharge resistance 05 and divider resistance 06, the divider resistance 06 is adjustable resistance, described
Inductance 07 can be controllable impedance, reach adjustable output to adjustable transformer 02, controllable impedance and adjustable rheostatic proportion excessively
The mesh of traveling-wave waveform.Such as: in RLC oscillating circuit, meet, is the frequency in RLC oscillating circuit；The time of oscillatory extinction is normal
Number is；Electric current calculation formula in oscillating circuit is.Thus, it is supposed that over current value, time need to be obtained by RLC oscillating circuit
Constant, capacitance is 5uF in circuit, can be obtained by above-mentioned condition: Ω, can obtain oscillating current function in circuit is A.To sum up, it is
Current waveform A in acquisition oscillating circuit can be 0.05mH by adjusting 07 value of inductance, resistance value is 1 Ω, voltage magnitude is
1500V.Specifically, time parameter needs to cooperate needed for could obtaining by adjusting inductance 07 and resistance value
Time parameter；Current amplitude is needed by adjusting adjustable transformer 02, and obtaining 1500V voltage can just meet the requirements.
In another embodiment of the present invention, the trigger switch 04 includes: two-way disconnecting link；
Capacitance cathode connection in the static contact and vibrating circuit of the two-way disconnecting link, when the dynamic touching of the two-way disconnecting link
When head is connect with the first stationary contact, the energy supply circuit gives the capacitor charging；When the moving contact and second of the two-way disconnecting link
When stationary contact connects, the oscillating circuit forming circuit, the capacitor is powered to the oscillating circuit.
In embodiments of the present invention, the trigger switch 04 can be two-way disconnecting link, in the static contact and vibrating circuit
Capacitance cathode connection, when need to fill to the capacitor in oscillating circuit can when, then need the moving contact of two-way disconnecting link and first
Stationary contact connection, the secondary side of the first stationary contact connection transformer 02；When the moving contact and the second stationary contact of the two-way disconnecting link
When point connection, the oscillating circuit forming circuit, the capacitor can power to the oscillating circuit, generate traveling wave.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the connection inside two elements.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete condition
Concrete meaning in the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for the description present invention and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " the
Two ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.The apparatus embodiments described above are merely exemplary, for example, the division of the unit,
Only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some communication interfaces, device or unit
Indirect coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, as unit
The component of display may or may not be physical unit, it can and it is in one place, or may be distributed over more
In a network unit.Some or all of unit therein can be selected to realize this embodiment scheme according to the actual needs
Purpose.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate this hair
Bright technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although right with reference to the foregoing embodiments
The present invention is described in detail, those skilled in the art should understand that: any technology for being familiar with the art
Personnel in the technical scope disclosed by the present invention, can still modify to technical solution documented by previous embodiment
Or variation or equivalent replacement of some of the technical features can be readily occurred in；And these modifications, variation or replacement,
The spirit and scope for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution, should all cover in this hair
Within bright protection scope.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of traveling wave generating device characterized by comprising energy supply circuit, transformer, trigger switch and oscillating circuit；
The output end of the energy supply circuit is connect with the primary side of the transformer, and the secondary side connection of the transformer passes through the touching
Hair switch connects the oscillating circuit；The output of the oscillating circuit is for generating traveling wave.
2. traveling wave generating device according to claim 1, which is characterized in that further include: traveling wave sensor and coupling sensing
Device；
The input terminal of the traveling wave sensor is connect with the output end of the oscillating circuit, the output end of the sensor with it is described
The input terminal of coupling sensor connects.
3. traveling wave generating device according to claim 2, which is characterized in that further include: oscillograph；
The input terminal of the oscillograph is connect with the output end of the coupling sensor.
4. traveling wave generating device according to claim 1, which is characterized in that the energy supply circuit includes: power supply and switch；
The power supply is connected to the primary side of the transformer by the switch.
5. traveling wave generating device according to claim 1, which is characterized in that further include: rectification silicon stack；
The input terminal of the rectification silicon stack is connect with the output end on the secondary side of the transformer, and the output end of the rectification silicon stack is logical
It crosses the trigger switch and is connected to the oscillating circuit.
6. traveling wave generating device according to claim 1, which is characterized in that the oscillating circuit include: capacitor, resistance and
Inductance；
The oscillating circuit includes capacitor, resistance and the inductance being connected in series.
7. traveling wave generating device according to claim 6, which is characterized in that the trigger switch includes: two-way disconnecting link；
Capacitance cathode connection in the static contact and vibrating circuit of the two-way disconnecting link, when the moving contact of the two-way disconnecting link and the
When one stationary contact connects, the energy supply circuit gives the capacitor charging；When the moving contact and the second stationary contact of the two-way disconnecting link
When connection, the oscillating circuit forming circuit, the capacitor is powered to the oscillating circuit.
8. traveling wave generating device according to claim 7, which is characterized in that the resistance includes: discharge resistance and partial pressure
Resistance.
9. traveling wave generating device according to claim 6, which is characterized in that the inductance includes: variable inductor.
10. traveling wave generating device according to claim 1, which is characterized in that the transformer includes: adjustable transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811396176.8A CN109884461A (en) | 2018-11-21 | 2018-11-21 | Traveling wave generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811396176.8A CN109884461A (en) | 2018-11-21 | 2018-11-21 | Traveling wave generating device |
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| Publication Number | Publication Date |
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| CN109884461A true CN109884461A (en) | 2019-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811396176.8A Pending CN109884461A (en) | 2018-11-21 | 2018-11-21 | Traveling wave generating device |
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| US20140166868A1 (en) * | 2012-12-17 | 2014-06-19 | Wave Works, Inc. | TRAVELING WAVE BASED THz SIGNAL GENERATION SYSTEM and METHOD THEREOF |
| CN204241625U (en) * | 2014-10-29 | 2015-04-01 | 中国石油化工股份有限公司 | A kind of withstand voltage distance measuring equipment exchanged based on ultralow frequency |
| CN205374670U (en) * | 2016-03-09 | 2016-07-06 | 哈尔滨理工大学 | A tunable frequency oscillating wave circuit for power cable partial discharge detector |
| CN107064734A (en) * | 2017-03-17 | 2017-08-18 | 北京交通大学 | A kind of flexible direct current Fault Location for Distribution Network method of utilization fault transient process |
| CN108646098A (en) * | 2018-08-06 | 2018-10-12 | 无锡赛晶电力电容器有限公司 | A kind of test method of detection self-healing metallized dielectric capacitor capacitor internal ESL |
| CN209400644U (en) * | 2018-11-21 | 2019-09-17 | 广东电网有限责任公司 | Traveling wave generating device |
-
2018
- 2018-11-21 CN CN201811396176.8A patent/CN109884461A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140166868A1 (en) * | 2012-12-17 | 2014-06-19 | Wave Works, Inc. | TRAVELING WAVE BASED THz SIGNAL GENERATION SYSTEM and METHOD THEREOF |
| CN204241625U (en) * | 2014-10-29 | 2015-04-01 | 中国石油化工股份有限公司 | A kind of withstand voltage distance measuring equipment exchanged based on ultralow frequency |
| CN205374670U (en) * | 2016-03-09 | 2016-07-06 | 哈尔滨理工大学 | A tunable frequency oscillating wave circuit for power cable partial discharge detector |
| CN107064734A (en) * | 2017-03-17 | 2017-08-18 | 北京交通大学 | A kind of flexible direct current Fault Location for Distribution Network method of utilization fault transient process |
| CN108646098A (en) * | 2018-08-06 | 2018-10-12 | 无锡赛晶电力电容器有限公司 | A kind of test method of detection self-healing metallized dielectric capacitor capacitor internal ESL |
| CN209400644U (en) * | 2018-11-21 | 2019-09-17 | 广东电网有限责任公司 | Traveling wave generating device |
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