CN205353259U - A non -contact ultrasonic detection device for power equipment - Google Patents
A non -contact ultrasonic detection device for power equipment Download PDFInfo
- Publication number
- CN205353259U CN205353259U CN201620085520.1U CN201620085520U CN205353259U CN 205353259 U CN205353259 U CN 205353259U CN 201620085520 U CN201620085520 U CN 201620085520U CN 205353259 U CN205353259 U CN 205353259U
- Authority
- CN
- China
- Prior art keywords
- ultrasonic
- signal
- power equipment
- support bar
- detecting device
- 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
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The embodiment of the utility model discloses a non -contact ultrasonic detection device for power equipment, including ultrasonic signal receiving element and signal processing appearance, wherein, ultrasonic signal receiving element includes ultrasonic signal receiver and ultrasonic sensor, parabolic shape structure that ultrasonic signal receiver made for receiving element 0, and ultrasonic signal receiver's reflection focus is located to install ultrasonic sensor through the bracing piece, and ultrasonic sensor passing signal cable is connected with the signal processing appearance is electric. Examining time measuring to distribution equipment, making ultrasonic signal receiver aim at and wait to detect the distribution equipment direction, distribution equipment partial discharge's supersound signal conveys set in ultrasonic sensor after the ultrasonic signal receiver reflection, and last signal is conveyed to the time measuring 0 appearance carries out the time measuring 0 analysis, and the mode of this implementations adoption non -contact detects distribution equipment, can be at the supersound signal than distance reception distribution equipment partial discharge.
Description
Technical field
This utility model relates to electric device discharge detecting technique field in power system, particularly relates to a kind of non-contact type ultrasonic detecting device for power equipment.
Background technology
High-voltage electric power circuit is the lifeblood of national economy, and in the power system of actual motion, transmission line of electricity and power equipment are ubiquitous, and their reliable and secure operation is directly connected to the reliability of whole electrical network.Therefore, the discharged condition for transmission line of electricity and power equipment carries out detecting the necessary means becoming its running status of grasp, also becomes the important guarantee ensureing power system security reliable power supply.
At present, electricity builds workman when carrying out transmission line malfunction detection, and great majority are contact measurement equipment, are placed in, by detection equipment, the distance that equipment to be detected is extremely near, judges whether this part transmission line of electricity exists fault by observing the feedback information of detection equipment.Owing to contact measurement equipment directly must contact with controller switching equipment when electrical verification operates, therefore there is action bars long, not Portable belt, not easy-operating shortcoming, especially in supertension line and equipment occasion, safe distance is remote, insulating requirements is high, insulation conditions can not be guaranteed when electric pressure is high, there is certain potential safety hazard, easily affect personal safety, cause unnecessary economic loss and casualties；Simultaneously along with the maturation of supertension, UHV transmission technology, the electric pressure of transmission line of electricity is more and more higher, regulation according to ultra-high-tension power transmission line terrain clearance, in general line voltage distribution grade is more high, line security required distance is more high, the length of general electricity testing rod and amount of deflection are difficult to meet requirement, bring inconvenience to the operation of contact measurement equipment.
Utility model content
This utility model embodiment provides a kind of non-contact type ultrasonic detecting device for power equipment, need to be placed in the distance that equipment to be detected is extremely near when to electric device maintenance solving contact-type detection of the prior art, the operation inconvenience brought and the low problem of safety coefficient.
In order to solve above-mentioned technical problem, this utility model embodiment discloses following technical scheme:
A kind of non-contact type ultrasonic detecting device for power equipment, including ultrasound signal receipt unit and signal processing instrument, wherein:
Described ultrasound signal receipt unit includes ultrasound signal receipt body and ultrasonic sensor；
Described ultrasound signal receipt body is the parabolic configuration that nonmetallic materials are made, and the reflector focus place of described ultrasound signal receipt body is provided with described ultrasonic sensor by support bar；
One end of described support bar is fixed on described ultrasound signal receipt body, the other end is provided with described ultrasonic sensor；
Described ultrasonic sensor is electrically connected with described signal processing instrument by the signal cable being located in described support bar.
Preferably, described support bar is arranged on the center of described ultrasound signal receipt body concave face, and the axis of the axis of described support bar and described ultrasound signal receipt body coincides.
Preferably, the lucite face that concave face is surfacing of described ultrasound signal receipt body.
Preferably, the handle being provided centrally with hollow of described ultrasound signal receipt body convex surface, described handle is connected with described support bar.
Preferably, the angle between axis and the axis of described support bar of described handle is 40 °-50 °.
Preferably, in described signal processing instrument, it is provided with ultrasonic signal processing module, wherein:
Described ultrasonic signal processing module includes the ultrasound wave filter circuit, ultrasonic amplifying circuit, ultrasound wave frequency conversion demodulator circuit and the ultrasound wave envelope detection circuit that are sequentially connected electrically, for the ultrasonic signal received is filtered, amplify, frequency conversion demodulation and envelope detection process.
Preferably, described signal processing instrument being additionally provided with waveshape signal display screen, described waveshape signal display screen electrically connects with described ultrasonic signal processing module, for showing waveshape signal after treatment.
Preferably, the outer wall of described handle is provided with groove according to staff grip feature hoop.
From above technical scheme, a kind of non-contact type ultrasonic detecting device for power equipment that this utility model embodiment provides, including ultrasound signal receipt unit and signal processing instrument, wherein, described ultrasound signal receipt unit includes ultrasound signal receipt body and ultrasonic sensor, described ultrasound signal receipt body is the parabolic configuration that nonmetallic materials are made, the reflector focus place of described ultrasound signal receipt body is provided with described ultrasonic sensor by support bar, one end of described support bar is fixed on described ultrasound signal receipt body, the other end is provided with described ultrasonic sensor, described ultrasonic sensor is electrically connected with described signal processing instrument by the signal cable being located in described support bar.
The detecting device that this utility model implements to provide has passed through described ultrasound signal receipt body and has received the ultrasonic signal that controller switching equipment sends, then utilizing the parabolic configuration of described ultrasound signal receipt body and the position relationship of described ultrasound signal receipt body and described ultrasonic sensor that the ultrasonic signal received is amplified, the ultrasound signal transmission collected carries out signal data diagnostic process to described signal processing instrument by last described ultrasonic sensor.This utility model is implemented to adopt non-contacting mode that controller switching equipment is detected, can be operated at a distance, can ensure that the safety of operator can at the ultrasonic signal of relatively distance reception controller switching equipment shelf depreciation, without ultrasonic probe being placed in the distance that equipment to be detected is extremely near, carry out detecting operation to eminence without climbing when equipment to be detected is in eminence, the danger of live detection can be reduced, alleviate the workload of testing staff, improve the efficiency of ultrasound detection operation；This utility model is implemented to utilize ultrasound examination good directionality, anti-electromagnetic interference capability by force and the sensitive high feature of electromagnetic signal simultaneously, improves detection sensitivity.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, for those of ordinary skills, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of a kind of non-contact type ultrasonic detecting device for power equipment that Fig. 1 provides for this utility model embodiment；
A kind of non-contact type ultrasonic detecting device for power equipment that Fig. 2 provides for this utility model embodiment schematic diagram to ultrasonic signal acquisition；
A kind of schematic diagram controller switching equipment detected for the non-contact type ultrasonic detecting device of power equipment that Fig. 3 provides for this utility model embodiment.
In Fig. 1 to Fig. 3, symbol table is shown as:
1-ultrasound signal receipt body, 2-signal processing instrument, 3-ultrasonic sensor, 4-support bar, 5-signal cable, 6-handle.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the technical scheme in this utility model, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, all should belong to the scope of this utility model protection.
Referring to Fig. 1, for the structural representation of a kind of non-contact type ultrasonic detecting device for power equipment that this utility model embodiment provides, including ultrasound signal receipt unit and signal processing instrument 2.
Described ultrasound signal receipt unit includes ultrasound signal receipt body 1 and ultrasonic sensor 3, the parabolic configuration that described ultrasound signal receipt body 1 is made for nonmetallic materials, the reflector focus place of described ultrasound signal receipt body 1 is provided with described ultrasonic sensor 3 by support bar 4, one end of described support bar 4 is fixed on described ultrasound signal receipt body 1, the other end is provided with described ultrasonic sensor 3, and described ultrasonic sensor 3 is electrically connected with described signal processing instrument 2 by the signal cable 5 being located in described support bar 4.
In the present embodiment, the lucite face that concave face is surfacing of described ultrasound signal receipt body 1, owing to the reflecting properties of pmma material is better, the ultrasonic signal received better can be reflected so arranging this material at concave face, and then make described ultrasonic sensor 3 obtain the ultrasonic signal of bigger amplification, it is certainly not limited to described pmma material.
As shown in Figure 2, when long-distance transmissions, ultrasonic signal is incident to described ultrasound signal receipt body 1 with the form of plane wave, the concave face of described ultrasound signal receipt body 1 is by plane of incidence wave reflection and converges at its reflector focus, ultrasonic signal be amplified simultaneously, described ultrasonic sensor 3 is arranged on described reflector focus place and collects signal, and then easily incoming for data described signal processing instrument 2 can be carried out data process, the state of insulation of controller switching equipment is estimated.
This utility model embodiment adopts non-contacting mode that controller switching equipment is detected, can be operated at a distance, can ensure that the safety of operator can at the ultrasonic signal of relatively distance reception controller switching equipment shelf depreciation, without ultrasonic probe being placed in the distance that equipment to be detected is extremely near, carry out detecting operation to eminence without climbing when equipment to be detected is in eminence, the danger of live detection can be reduced, alleviate the workload of testing staff, improve the efficiency of ultrasound detection operation；This utility model is implemented to utilize ultrasound examination good directionality, anti-electromagnetic interference capability by force and the sensitive high feature of electromagnetic signal simultaneously, improves detection sensitivity.
Further, described support bar 4 is arranged on the center of described ultrasound signal receipt body 1 concave face, and the axis of the axis of described support bar 4 and described ultrasound signal receipt body 1 coincides, and is equipped with described signal cable 5 in described support bar 4 simultaneously.
In the present embodiment, the axis of described support bar 4 is parallel with the plane wave ultrasound signal transmission direction being incident to described ultrasound signal receipt body 1, compared with the support bar of other layout structure, it is possible to effectively prevent described support bar 4 blocking described plane wave ultrasonic signal.Described signal cable 5 is arranged in described support bar 4 simultaneously, is possible not only to prevent described signal cable 5 blocking described plane wave ultrasonic signal, it is also possible to make whole ultrasonic detection device structure more compact, be convenient for carrying.
The handle 6 being provided centrally with hollow of described ultrasound signal receipt body 1 convex surface, described handle 6 is connected with described support bar 4, meanwhile, is also equipped with described signal cable 5 in described handle 6.
As it is shown on figure 3, when controller switching equipment is detected, described handle 6 just can be grasped, the detected equipment of described ultrasound signal receipt body 1 alignment is made to detect.
In order to conveniently make described ultrasound signal receipt body 1 be directed at high aerial controller switching equipment to be detected, angle theta between axis and the axis of described support bar 4 of described handle 6 is designed as 45 °, certainly other angle value it is also designed to, such as any value within the scope of 40 °-50 °.
Always according to staff grip feature on the outer wall of described handle 6, it is arranged circumferentially anti-skidding groove, certainly can also the structure such as sheathed anti-slip material is made on the outer wall of described handle 6 Anti-slip cover.
It is provided with ultrasonic signal processing module in described signal processing instrument 2, wherein, described ultrasonic signal processing module includes the ultrasound wave filter circuit, ultrasonic amplifying circuit, ultrasound wave frequency conversion demodulator circuit and the ultrasound wave envelope detection circuit that are sequentially connected electrically, for the ultrasonic signal received is filtered, amplify, frequency conversion demodulation and envelope detection process.
After described ultrasonic sensor 3 receives ultrasonic signal, by described signal cable 5, signal is sent in described ultrasonic signal processing module, by ultrasonic signal processing module to carrying out frequency conversion demodulation and envelope detection process after ultrasonic signal filter and amplification.
Being additionally provided with waveshape signal display screen on described signal processing instrument 2, described waveshape signal display screen electrically connects with described ultrasonic signal processing module, for showing waveshape signal after treatment.
Concrete, ultrasonic signal after processing is carried out A/D conversion by described ultrasonic signal processing module, and just result is sent to the data disaply moudle of described waveshape signal display screen, shown by data disaply moudle, and waveform is shown on described display screen, testing staff just can pass through waveform and judge whether controller switching equipment leak current fault occurs.
It should be noted that, in this article, the such as relational terms of " first " and " second " or the like is used merely to separate an entity or operation with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include the process of a series of key element, method, article or equipment not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or equipment.When there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of described key element, method, article or equipment.
The above is only detailed description of the invention of the present utility model, makes to skilled artisans appreciate that or realize this utility model.The multiple amendment of these embodiments be will be apparent to one skilled in the art, and generic principles defined herein when without departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (8)
1. the non-contact type ultrasonic detecting device for power equipment, it is characterised in that include ultrasound signal receipt unit and signal processing instrument (2), wherein:
Described ultrasound signal receipt unit includes ultrasound signal receipt body (1) and ultrasonic sensor (3)；
The parabolic configuration that described ultrasound signal receipt body (1) is made for nonmetallic materials, the reflector focus place of described ultrasound signal receipt body (1) is provided with described ultrasonic sensor (3) by support bar (4)；
One end of described support bar (4) is fixed on described ultrasound signal receipt body (1), the other end is provided with described ultrasonic sensor (3)；
Described ultrasonic sensor (3) is electrically connected with described signal processing instrument (2) by the signal cable (5) being located in described support bar (4).
2. the non-contact type ultrasonic detecting device for power equipment according to claim 1, it is characterized in that, described support bar (4) is arranged on the center of described ultrasound signal receipt body (1) concave face, and the axis of the axis of described support bar (4) and described ultrasound signal receipt body (1) coincides.
3. the non-contact type ultrasonic detecting device for power equipment according to claim 1, it is characterised in that the lucite face that concave face is surfacing of described ultrasound signal receipt body (1).
4. the non-contact type ultrasonic detecting device for power equipment according to claim 1, it is characterized in that, the handle (6) being provided centrally with hollow of described ultrasound signal receipt body (1) convex surface, described handle (6) is connected with described support bar (4).
5. the non-contact type ultrasonic detecting device for power equipment according to claim 4, it is characterised in that the angle between axis and the axis of described support bar (4) of described handle (6) is 40 °-50 °.
6. the non-contact type ultrasonic detecting device for power equipment according to claim 1, it is characterised in that be provided with ultrasonic signal processing module in described signal processing instrument (2), wherein:
Described ultrasonic signal processing module includes the ultrasound wave filter circuit, ultrasonic amplifying circuit, ultrasound wave frequency conversion demodulator circuit and the ultrasound wave envelope detection circuit that are sequentially connected electrically, for the ultrasonic signal received is filtered, amplify, frequency conversion demodulation and envelope detection process.
7. the non-contact type ultrasonic detecting device for power equipment according to claim 6, it is characterized in that, being additionally provided with waveshape signal display screen on described signal processing instrument (2), described waveshape signal display screen electrically connects with described ultrasonic signal processing module, for showing waveshape signal after treatment.
8. according to claim 4 or 5 for the non-contact type ultrasonic detecting device of power equipment, it is characterised in that on the outer wall of described handle (6) according to staff grip feature, be arranged circumferentially fluted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620085520.1U CN205353259U (en) | 2016-01-28 | 2016-01-28 | A non -contact ultrasonic detection device for power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620085520.1U CN205353259U (en) | 2016-01-28 | 2016-01-28 | A non -contact ultrasonic detection device for power equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205353259U true CN205353259U (en) | 2016-06-29 |
Family
ID=56181248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620085520.1U Active CN205353259U (en) | 2016-01-28 | 2016-01-28 | A non -contact ultrasonic detection device for power equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205353259U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110244196A (en) * | 2018-03-09 | 2019-09-17 | 保定华创电器有限公司 | A kind of ultrasound-enhanced receiver and its design method for measurement of partial discharge |
| CN110471254A (en) * | 2019-08-28 | 2019-11-19 | 合肥维信诺科技有限公司 | A kind of alignment method and alignment device applied to color membrane process |
| CN110596550A (en) * | 2019-09-25 | 2019-12-20 | 哈尔滨理工大学 | Ultrasonic sensor for detecting partial discharge signal of generator |
| CN112526387A (en) * | 2020-10-30 | 2021-03-19 | 浙江王奇检测技术有限公司 | Non-contact power distribution equipment detection method |
-
2016
- 2016-01-28 CN CN201620085520.1U patent/CN205353259U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110244196A (en) * | 2018-03-09 | 2019-09-17 | 保定华创电器有限公司 | A kind of ultrasound-enhanced receiver and its design method for measurement of partial discharge |
| CN110244196B (en) * | 2018-03-09 | 2023-02-03 | 保定华创电气有限公司 | Ultrasonic enhanced receiver for partial discharge measurement and design method thereof |
| CN110471254A (en) * | 2019-08-28 | 2019-11-19 | 合肥维信诺科技有限公司 | A kind of alignment method and alignment device applied to color membrane process |
| CN110596550A (en) * | 2019-09-25 | 2019-12-20 | 哈尔滨理工大学 | Ultrasonic sensor for detecting partial discharge signal of generator |
| CN112526387A (en) * | 2020-10-30 | 2021-03-19 | 浙江王奇检测技术有限公司 | Non-contact power distribution equipment detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205353259U (en) | A non -contact ultrasonic detection device for power equipment | |
| WO2011139715A3 (en) | Electrical event detection device and method of detecting and classifying electrical power usage | |
| CN203490332U (en) | Multifunctional hand-held smart partial discharge detection device | |
| CN103884970A (en) | Partial discharge routing inspection device applicable to multiple detection methods | |
| CN102749558A (en) | Device and method for detecting cable oscillatory wave partial discharge and fault location | |
| CN103001666B (en) | Low-voltage power line carrier channel attenuation characteristic test system and control method thereof | |
| CN202563057U (en) | Transformer iron core ground wire broadband partial discharge detector | |
| CN106249114A (en) | Multifunctional belt electric detection means based on WIFI transmission and method | |
| CN103197211A (en) | Switch cabinet partial discharge itinerant detector | |
| CN102645573A (en) | Noncontact ultrahigh voltage electricity detector | |
| CN202393523U (en) | Substation wireless temperature measurement device based on surface acoustic wave (SAW) technology | |
| CN205374661U (en) | System of transformer substation of UHF noise sensor of qxcomm technology and applied its constitution | |
| CN207123593U (en) | Power cable local discharge integrated detection device | |
| CN203798969U (en) | Cable partial discharge detection system based on frequency conversion resonance voltage resistance | |
| CN102736003A (en) | Portable partial discharge pulse current sensor | |
| CN203616426U (en) | Insulator electrified detection system, insulator electrified detector and handheld receiving terminal | |
| CN103630800A (en) | Live insulator detecting system, live insulator detector and handheld receiving terminal | |
| CN202330535U (en) | Insulating bar type non-contact electricity testing alarm | |
| CN204964685U (en) | Partial discharge's non -contact takes electric detection means in distribution cable annex | |
| CN203825145U (en) | Device for detecting partial discharge of terminal of on-site power cable | |
| CN105842550A (en) | Novel multifunctional complete intelligent phasing tester device | |
| CN202182927U (en) | Compound sensor for measuring temperature and partial discharging of high-voltage cable | |
| CN205809233U (en) | A kind of partial discharge detecting system and poly-ripple device | |
| CN103245836A (en) | Novel intelligent tramegger with self-discharge function | |
| CN202815157U (en) | Online monitoring system for partial discharge of switch cabinet based on ultra-high frequency |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |