CN205643472U - High -speed railway crosses voltage measurement recorder and system - Google Patents
High -speed railway crosses voltage measurement recorder and system Download PDFInfo
- Publication number
- CN205643472U CN205643472U CN201620256457.3U CN201620256457U CN205643472U CN 205643472 U CN205643472 U CN 205643472U CN 201620256457 U CN201620256457 U CN 201620256457U CN 205643472 U CN205643472 U CN 205643472U
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- electrode
- speed railway
- voltage measurement
- recording equipment
- railway over
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Abstract
The utility model provides a high -speed railway crosses voltage measurement recorder. High -speed railway cross first electrode that voltage measurement recorder includes receive real -time high -speed railway transition high frequency electric field signal, with form uniform electric field's second electrode, receipt between the first electrode the first electrode with between the second electrode electric field signal antenna element with be used for with the electric field signal that antenna element received converts the photoelectric conversion unit of light signal into, the first electrode with the relative interval of second electrode sets up, antenna element with the setting is connected to the photoelectric conversion unit electricity. The utility model provides a high -speed railway crosses voltage measurement recording system.
Description
Technical field
This utility model belongs to field of track traffic, particularly relates to the overvoltage of a kind of high-speed railway electric power system
Surveying record device and use the high-speed railway of over-voltage measurement recording equipment of described high-speed railway electric power system
The over-voltage measurement record system of electric power system.
Background technology
At present, existing high speed electric power system only has in traction substation by fault localization or failure wave-recording dress
Put, only can record the situation of change of power-frequency voltage, but for high frequency oscillation overvoltage, due to apparatus above
Voltage signal derive from the transformer containing ferromagnetic element, therefore very bandwidth is narrow, it is impossible to detects and records height
The overvoltage of speed railway power system.
Further, the fault localization in existing high-speed railway electric power system or fault wave recording device can not make
The high pressure equipment of high-speed electric railway electric power system is completely isolated with low-voltage instrument equipment, nor has
Wider bandwidth, and can detect and record Overvoltage Amplitude and the ripple thereof with high frequency transient feature
The function of shape.
Therefore, it is necessary to provide a kind of can disclosure satisfy that requirement on EMU, not only have relatively
Wide bandwidth, and can detect and record there is the Overvoltage Amplitude of high frequency transient feature and waveform thereof
High-speed railway over-voltage measurement recording equipment and system thereof.
Utility model content
The purpose of this utility model is that providing a kind of can disclosure satisfy that requirement, no on EMU
Only there is wider bandwidth, and can detect and record have high frequency transient feature Overvoltage Amplitude and
The high-speed railway over-voltage measurement recording equipment of its waveform and system thereof.
The technical solution of the utility model is as follows: a kind of high-speed railway over-voltage measurement recording equipment includes in real time
Receive and between the first electrode and described first electrode of high-speed railway transition high-frequency electric field signal, form uniformly electricity
The second electrode, receive electric field signal between described first electrode and described second electrode antenna element and
For the electric field signal that described antenna element receives being converted to the photoelectric conversion unit of optical signal, described first
Electrode and described second electrode relative spacing are arranged, and described antenna element electrically connects with described photoelectric conversion unit
Arrange.
In the high-speed railway over-voltage measurement recording equipment that this utility model embodiment provides, described antenna list
Unit includes antenna and for the impedor being adjusted by the electric field signal that described antenna receives, and described antenna passes through
Wear described second electrode, and arrange with described second electrode electric isolution;Described impedor and described opto-electronic conversion
Unit electrical connection is arranged.
In the high-speed railway over-voltage measurement recording equipment that this utility model embodiment provides, described antenna bag
Include and run through the antenna body of described second electrode and receive between described first electrode and described second electrode
The globular part of electric field signal, described globular part is located at one end of described antenna body, and is positioned at described first electricity
Between pole and described second electrode;Described antenna body is away from the other end and the described impedor of described globular part
Electrical connection.
In the high-speed railway over-voltage measurement recording equipment that this utility model embodiment provides, described second electricity
Pole is the plane-shape electrode of bending, and described second electrode is towards described first electrode direction bending.
In the high-speed railway over-voltage measurement recording equipment that this utility model embodiment provides, described photoelectricity turns
Changing unit is optical-electrical converter.
In the high-speed railway over-voltage measurement recording equipment that this utility model embodiment provides, also include having
Electromagnetic signal function of shielding also has the housing of receiving space and for fixing the pedestal of described housing, described shell
Body is fixing with described pedestal is connected setting.
In the high-speed railway over-voltage measurement recording equipment that this utility model embodiment provides, described first electricity
Pole and described second electrode are both secured between described housing, and described first electrode and described second electrode
Uniform electric field is contained in the receiving space of described housing.
A kind of high-speed railway over-voltage measurement record system includes high-speed railway over-voltage measurement as described above
Recording equipment, for show and analyze described high-speed railway over-voltage measurement recording equipment provide data data
Show analyser and the data record of data is provided for recording described high-speed railway over-voltage measurement recording equipment
Instrument, described high-speed railway over-voltage measurement recording equipment electrically connects with the electrification in high voltage bus of high-speed railway, institute
State DDA analysis instrument and described data logger respectively by optical cable and described high-speed railway over-voltage measurement
The photoelectric conversion unit communication connection of recording equipment is arranged.
In the high-speed railway over-voltage measurement record system that this utility model embodiment provides, described high-speed iron
Pass by voltage measurement recording equipment and be fixed on the car body top of electric locomotive or EMU by pedestal.
This utility model embodiment provide high-speed railway over-voltage measurement record system in, also include for
The voltage transformer of electric energy, described voltage transformer are provided for described high-speed railway over-voltage measurement recording equipment
Setting is electrically connected with described high-speed railway over-voltage measurement recording equipment.
The beneficial effects of the utility model are: described high-speed railway over-voltage measurement recording equipment and described height
Speed railway over-voltage measurement record system structure is reasonable, and advanced technology is measured accurately, and high frequency response characteristic is good,
Easy for installation and safeguard simple, it is suitable in high-speed railway electric power system accurately measuring and record overvoltage
Analyze, it is possible to accomplish the completely isolated of measured signal and measuring instrument instrument, it is ensured that electric substation or EMUs set
Standby safety, it is ensured that operating maintenance and the personal safety of test operation personnel.
Accompanying drawing explanation
Fig. 1 is the structural representation of the high-speed railway over-voltage measurement recording equipment that this utility model embodiment provides
Figure;
Fig. 2 is the terminal that the instrument room with the recording equipment of high-speed railway over-voltage measurement shown in Fig. 1 is correspondingly arranged
The structural representation of plate;
Fig. 3 is the structural representation of the high-speed railway over-voltage measurement record system that this utility model embodiment provides
Figure.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And embodiment, this utility model is further elaborated.Should be appreciated that described herein specifically
Embodiment, only in order to explain this utility model, is not used to limit this utility model.
The description of specific distinct unless the context otherwise, the element in this utility model and assembly, quantity both may be used
Presented in single, it is also possible to presented in multiple, this is not defined by this utility model.
It is appreciated that term "and/or" used herein relates to and contain the one in the Listed Items being associated
Or one or more of any and all possible combination.
Refer to Fig. 1, be the knot of the high-speed railway over-voltage measurement recording equipment that this utility model embodiment provides
Structure schematic diagram.The high-speed railway over-voltage measurement recording equipment 100 that this utility model provides includes having electromagnetism
Signal shielding function also has the housing 10 of receiving space, for fixing the pedestal 20 of described housing 10, reality
Time receive high-speed railway transition high-frequency electric field signal the first electrode 30 and described first electrode 30 between formed
Second electrode 40 of uniform electric field, receive electric field letter between described first electrode 30 and described second electrode 40
Number antenna element 50 and for the electric field signal that described antenna element 50 receives being converted to the light of optical signal
Electricity converting unit 60.Wherein, described pedestal 20 is located at the bottom of described housing 10, and with described housing 10
Fixing connection is arranged;Described first electrode 30 and described second electrode 40 are both secured in described housing 10,
And the uniform electric field between described first electrode 30 and described second electrode 40 is contained in the receipts of described housing 10
Hold in space;Described antenna element 50 electrically connects setting with described photoelectric conversion unit 60.At the present embodiment
In, described photoelectric conversion unit 60 is optical-electrical converter.
Described housing 10 entirety is ellipsoid shape, and has multiple structure.In the present embodiment, described housing 10
Including the shell body 11 set gradually from outside to inside, metal screen layer 12 and inner insulating layer 13.Described shell
Body 11 is the shell body of insulation, and silicone rubber can be used to make, and for as described high-speed railway overvoltage
The main insulating layer of surveying record device 100.Described metal screen layer 12 can be made up of scale copper, is used for using
With the electromagnetic interference signal that shielding is extraneous.Described inner insulating layer 13 can be made up of crosslinked polyethylene, for described
The inwall of housing 10 provides insulation characterisitic.
And, in the present embodiment, described housing 10 surrounds the receiving space for housing antenna, described interior
Insulating barrier 13 is the insulation inwall of described receiving space, described first electrode 30 and described second electrode 40 it
Between uniform electric field be contained in the receiving space that described inner insulating layer 13 surrounds.
Described pedestal 20 is located at the bottom of described high-speed railway over-voltage measurement recording equipment 100, for by institute
State high-speed railway over-voltage measurement recording equipment 100 and be fixed on the car body top of electric locomotive or EMU.
Preferably, described pedestal 20 is connected by screw is fixing with the car body top of electric locomotive or EMU.
Selectively, described pedestal 20 can be to be formed and have certain thickness metallic plate by intermetallic composite coating, and,
Described pedestal 20 is fixing with the shell body 11 of described housing 10 is connected setting.
In the junction of described pedestal 20 with described shell body 11, the inside of described shell body 11 is also formed with
For housing the instrument room 14 of described antenna element 50 and described photoelectric conversion unit 60, described instrument room 14
There is cylindrical cavity, and between described receiving space and described pedestal 20.
Described first electrode 30 is the metal electrode being prepared from by metal, in order to conduct tested voltage and electric field.
In the present embodiment, described first electrode 30 includes being arranged in a mutually vertical manner and integrated fixed part 31 He
Battery lead plate 32, described fixed part 31 runs through and is fixed on described housing 10, and described battery lead plate 32 entirety has
Platy structure, and be contained in the receiving space of described housing 10.
And, between described fixed part 31 and described housing 10, it is additionally provided with metal screen layer insulating sheath
70, described metal screen layer insulating sheath 70 is prepared from by high-strength insulating material, is coated on described fixing
Outside portion 31, and described fixed part 31 and described housing 10 electric insulation are isolated setting, thus ensure described
Metal screen layer 12 is not charged.
Further, it is additionally provided with grading shield 33 at described fixed part 31 away from one end of described battery lead plate 32,
Described grading shield 33 is made up of copper product, it is ensured that its structure and smooth surface are without acute angle seamed edge.In this reality
Executing in example, described grading shield 33 is welded to connect with described fixed part 31.And, described grading shield 33 upper
The screw (sign) for connecting outside high-voltage signal it is also formed with around surface.
Described second electrode 40 is the antenna house being prepared from by foil, and with described first electrode 30
Relative spacing is arranged.In the present embodiment, described second electrode 40 is the plane-shape electrode of bending, and described the
Two electrodes 40 are towards described first electrode 30 direction bending.
Specifically, described second electrode 40 includes symmetrically and electrically insulates the first arc-shaped electrode 41 of setting
With the second arc-shaped electrode 42, described first arc-shaped electrode 41 and described second arc-shaped electrode 42 all with described
One electrode 30 relative spacing is arranged, and forms electric field the most independently and between described first electrode 30.
In the present embodiment, the first arc-shaped electrode 41 and second arc-shaped electrode 42 of described second electrode 40 are equal
Being fixed on antenna base 43, described antenna base 43 is made up of the insulant that dielectric constant is little, and is passed through spiral shell
Nail is fixed on the inner insulating layer 13 of described housing 10.Selectively, described first arc-shaped electrode 41 and institute
State the second arc-shaped electrode 42 to be fixed on described antenna base 43 by screw.
Described antenna element 50 includes antenna 51 and for being adjusted by the electric field signal that described antenna 51 receives
The impedor 52 of joint, described antenna 51 runs through described second electrode 40, and with described second electrode 40 electricity every
From setting;Described impedor 52 electrically connects setting with described photoelectric conversion unit 60, it is possible to described electricity
Field signal plays impedance matching and amplification.
Described antenna 51 includes running through the antenna body 511 of described second electrode 40 and receiving described first
The globular part 512 of electric field signal between electrode 30 and described second electrode 40, described globular part 512 is located at institute
State one end of antenna body 511, and between described first electrode 30 and described second electrode 40;Institute
State antenna body 511 to electrically connect with described impedor 52 away from the other end of described globular part 512.In this reality
Executing in example, described antenna body 511 is prepared from by metal stub, and is integrated with described globular part 512
Molding structure.
Specifically, described antenna body 511 passes described antenna base 43, and from described second electrode 40
Pass and extend to described first electrode in interval between first arc-shaped electrode 41 and the second arc-shaped electrode 42
Between 30 and described second electrode 40, so that described globular part 512 is positioned at described first electrode 30 He
Between described second electrode 40 in uniform electric field, thus described globular part 512 is facilitated to receive described uniform electric field
Electric field signal.
Wherein, in the present embodiment, described impedor 52 and described photoelectric conversion unit 60 all house and solid
In described instrument room 14.Preferably, described impedor 52 and described photoelectric conversion unit 60 all pass through
Screw is fixed in described instrument room 14.
And, it is also provided with in described instrument room 14 as described impedor 52 and described opto-electronic conversion
Unit 60 provides the power pack 80 of direct current energy, described power pack 80 respectively with described impedor 52 and described
Photoelectric conversion unit 60 electrically connects.
Refer to Fig. 2, be and the instrument room 14 of the recording equipment of high-speed railway over-voltage measurement shown in Fig. 1 100
The structural representation of the terminal board being correspondingly arranged.Described terminal board 90 is described high-speed railway over-voltage measurement note
Recording device 100 provides signaling interface and power interface, and includes the power supply being correspondingly arranged with described power pack 80
Impedance adjusting knob 92 that terminal 91 is correspondingly arranged with described impedor 52 and with described photoelectric conversion unit
The 60 corresponding optical connectors 93 connected.
Selectively, described terminal board 90 is connected by screw is fixing with described housing 10, and described optical cable is even
Connect device 93 to be connected by screw is fixing with described terminal board 90.
Refer to Fig. 3, be the knot of the high-speed railway over-voltage measurement record system that this utility model embodiment provides
Structure schematic diagram.Described high-speed railway over-voltage measurement record system 200 includes detection and receives height railway
The high-speed railway over-voltage measurement recording equipment 100 of overvoltage information, it is used for showing and analyze described high-speed railway
Over-voltage measurement recording equipment 100 provides the DDA analysis instrument 210 of data, is used for recording described high-speed iron
Pass by voltage measurement recording equipment 100 and provide the data logger 220 of data and for for described high-speed railway
Over-voltage measurement recording equipment 100 provides the voltage transformer 230 of electric energy, described high-speed railway over-voltage measurement
Recording equipment 100 electrically connects with the electrification in high voltage bus 300 of high-speed railway, described DDA analysis instrument 210
With described data logger 220 respectively by optical cable and described high-speed railway over-voltage measurement recording equipment 100
Photoelectric conversion unit 60 communication connection arrange, described voltage transformer 230 and described high-speed railway overvoltage
Surveying record device 100 electrical connection is arranged.And, described high-speed railway over-voltage measurement recording equipment 100
The car body top of electric locomotive or EMU it is fixed on by described pedestal 20.
Specifically, described DDA analysis instrument 210 and described data logger 220 respectively by optical cable with
Described optical connector 93 communicates to connect, and and then communicates to connect with described photoelectric conversion unit 60.Described
Voltage transformer 230 is electrically connected with described power supply terminal 91 by wire, and and then with described power pack 80
Electrical connection.
When described high-speed railway over-voltage measurement record system 200 works, described electrification in high voltage bus 300
By high-voltage signal cable, tested high-voltage signal is guided to described first electrode 20, and change described first electricity
Uniform electric field between pole 20 and described second electrode 30.Described antenna element 50 detects described uniform electric field
The change of electric field signal, and the electric field signal that will change sends to described photoelectric conversion unit 60.Described light
Power plant's signal is changed into optical signal by electricity converting unit 60, and is respectively sent to described data by optical cable and shows
Analyser 210 and described data logger 220, thus complete data record and waveform analysis, and completely every
From high pressure equipment and low-voltage instrument instrumentation, the person and equipment safety are ensured, it is achieved that high-speed railway
The detection of electric power system overvoltage and record.
Compared to prior art, high-speed railway over-voltage measurement recording equipment 100 He that this utility model provides
High-speed railway over-voltage measurement record system 200 is rational in infrastructure, advanced technology, measures accurately, high frequency response
Characteristic is good, easy for installation and safeguard simple, is suitable in high-speed railway electric power system the accurate survey to overvoltage
Amount and record analysis, it is possible to accomplish the completely isolated of measured signal and measuring instrument instrument, it is ensured that electric substation or
EMUs equipment safety, it is ensured that operating maintenance and the personal safety of test operation personnel.
It is obvious to a person skilled in the art that this utility model is not limited to the thin of above-mentioned one exemplary embodiment
Joint, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to concrete with other
Form realizes this utility model.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary
, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above
It is fixed, it is intended that all changes fallen in the implication of equivalency and scope of claim are included at this
In utility model.Should not be considered as limiting involved claim by any reference in claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, but the most each enforcement
Mode only comprises an independent technical scheme, and this narrating mode of description is only for clarity sake,
Those skilled in the art should be using description as an entirety, and the technical scheme in each embodiment can also be through
Appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (10)
1. a high-speed railway over-voltage measurement recording equipment, it is characterised in that: include real-time reception high-speed iron
The second electricity of uniform electric field is formed between first electrode and described first electrode of road transition high-frequency electric field signal
Pole, receive the antenna element of electric field signal between described first electrode and described second electrode and for by described
The electric field signal that antenna element receives is converted to the photoelectric conversion unit of optical signal, described first electrode and described
Second electrode relative spacing is arranged, and described antenna element electrically connects setting with described photoelectric conversion unit.
High-speed railway over-voltage measurement recording equipment the most according to claim 1, it is characterised in that: institute
State antenna element and include antenna and for the impedor being adjusted by the electric field signal that described antenna receives, institute
State antenna and run through described second electrode, and arrange with described second electrode electric isolution;Described impedor is with described
Photoelectric conversion unit electrical connection is arranged.
High-speed railway over-voltage measurement recording equipment the most according to claim 2, it is characterised in that: institute
State antenna include running through the antenna body of described second electrode and receive described first electrode and described second
The globular part of electric field signal between electrode, described globular part is located at one end of described antenna body, and is positioned at institute
State between the first electrode and described second electrode;Described antenna body is away from the other end of described globular part and institute
State impedor electrical connection.
High-speed railway over-voltage measurement recording equipment the most according to claim 1, it is characterised in that: institute
State the plane-shape electrode that the second electrode is bending, and described second electrode is towards described first electrode direction bending.
High-speed railway over-voltage measurement recording equipment the most according to claim 1, it is characterised in that: institute
Stating photoelectric conversion unit is optical-electrical converter.
High-speed railway over-voltage measurement recording equipment the most according to claim 1, it is characterised in that: also
Including there is electromagnetic signal function of shielding and there is the housing of receiving space and for fixing the base of described housing
Seat, described housing is fixing with described pedestal is connected setting.
High-speed railway over-voltage measurement recording equipment the most according to claim 6, it is characterised in that: institute
State the first electrode and described second electrode is both secured to described housing, and described first electrode and described second electricity
Uniform electric field between pole is contained in the receiving space of described housing.
8. a high-speed railway over-voltage measurement record system, it is characterised in that: include such as claim 1 institute
The high-speed railway over-voltage measurement recording equipment stated, for showing and analyzing described high-speed railway over-voltage measurement
Recording equipment provides the DDA analysis instrument of data and is used for recording described high-speed railway over-voltage measurement record
Device provides the data logger of data, described high-speed railway over-voltage measurement recording equipment and high-speed railway
Electrification in high voltage bus electrically connect, described DDA analysis instrument and described data logger respectively by optical cable with
The photoelectric conversion unit communication connection of described high-speed railway over-voltage measurement recording equipment is arranged.
High-speed railway over-voltage measurement record system the most according to claim 8, it is characterised in that: institute
State high-speed railway over-voltage measurement recording equipment and be fixed on the car body of electric locomotive or EMU by pedestal
Top.
High-speed railway over-voltage measurement record system the most according to claim 8, it is characterised in that:
Also include the voltage transformer for providing electric energy for described high-speed railway over-voltage measurement recording equipment, described
Voltage transformer electrically connects setting with described high-speed railway over-voltage measurement recording equipment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620256457.3U CN205643472U (en) | 2016-03-30 | 2016-03-30 | High -speed railway crosses voltage measurement recorder and system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620256457.3U CN205643472U (en) | 2016-03-30 | 2016-03-30 | High -speed railway crosses voltage measurement recorder and system |
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CN205643472U true CN205643472U (en) | 2016-10-12 |
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CN201620256457.3U Expired - Fee Related CN205643472U (en) | 2016-03-30 | 2016-03-30 | High -speed railway crosses voltage measurement recorder and system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105717343A (en) * | 2016-03-30 | 2016-06-29 | 南京铁道职业技术学院 | High-speed railway overvoltage measuring and recording device and system |
-
2016
- 2016-03-30 CN CN201620256457.3U patent/CN205643472U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105717343A (en) * | 2016-03-30 | 2016-06-29 | 南京铁道职业技术学院 | High-speed railway overvoltage measuring and recording device and system |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20170330 |
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CF01 | Termination of patent right due to non-payment of annual fee |