CN207081508U - A kind of system for detecting transmission line of electricity stress state - Google Patents
A kind of system for detecting transmission line of electricity stress state Download PDFInfo
- Publication number
- CN207081508U CN207081508U CN201721108359.6U CN201721108359U CN207081508U CN 207081508 U CN207081508 U CN 207081508U CN 201721108359 U CN201721108359 U CN 201721108359U CN 207081508 U CN207081508 U CN 207081508U
- Authority
- CN
- China
- Prior art keywords
- electricity
- target spot
- transmission line
- stress state
- pedestal
- 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
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a kind of system for detecting transmission line of electricity stress state, it is related to transmission line of electricity field, for detecting the stress state of transmission line of electricity, system includes：Collecting device, target spot, communication equipment, power supply unit and server, the collection image and collecting temperature that the system is gathered by collecting device determine the length change of transmission line of electricity so that it is determined that its stress state, solves the technical problem that monitor stress state in the prior art needs extraction wire.
Description
Technical field
Transmission line of electricity field is the utility model is related to, what it is more particularly, to a kind of detection transmission line of electricity stress state is
System.
Background technology
Transmission line of electricity in use, due to caused by the effect of self gravitation, air flow influence and other shake
Dynamic transmission line of electricity to be caused to meet with stresses, so as to produce strain, under the situation to meet with stresses for a long time, transmission line of electricity will be produced gradually
Raw creep, transmission line of electricity cross section is caused to reduce, structural strength reduction, when malformation reaches critical value, transmission line of electricity can produce
Raw fracture, causes economic loss, in addition, transmission line of electricity is typically all arranged on the high-altitude that people are not easy to contact, wherein high voltage power transmission
Circuit is often arranged on unfrequented suburb, and the stress and strain state of these transmission lines of electricity is often difficult to observe, many feelings
Under condition, when it should be noted that transmission line of electricity change when, the structural strength of transmission line of electricity has been greatly reduced, it is difficult to takes and remedies
Measure, it is therefore necessary to detect, prevent trouble before it happens to the stress state of transmission line of electricity.
In the prior art, the mode that people are detected to the stress state of transmission line of electricity, it is by transmission line of electricity
Upper stickup foil gauge simultaneously detects its length change, calculates stress state again so as to obtain its strain, in this way can
More accurate numerical value is obtained, still, installation foil gauge requires that needs are higher for the technical merit of operator, and in order to examine
The length change of foil gauge is surveyed, it is necessary to from foil gauge extraction wire, its length change is determined by the resistance of measuring strain piece, by
Extraction wire is needed during use, distance measurement object is more remote, and wire is longer, and longer wire is more easily broken off,
So limiting it uses distance, in actual environment, length of the transmission line of electricity between two pedestals of transmitting electricity is often at ten meters
More than, in remote suburb, even up to more than hundred meters, in this case, and it is not suitable for being detected using foil gauge.
Therefore it provides a kind of system that can be just detected without extraction wire to the stress state of transmission line of electricity, is this
Field urgent problem to be solved.
Utility model content
In view of this, the utility model provides a kind of system for detecting transmission line of electricity stress state, solves existing skill
Monitor stress state needs the technical problem of extraction wire in art.
In order to solve the above-mentioned technical problem, the utility model proposes it is a kind of detect transmission line of electricity stress state system, its
It is characterised by, the stress state of the transmission line of electricity between the transmission of electricity pedestal of system detectio first and the second transmission of electricity pedestal is described
System includes：
Collecting device, it is fixed on the first transmission of electricity pedestal, including：First processor, digital camera and temperature pass
Sensor；
Target spot, in the image pickup scope of the digital camera, including：First target spot, the second target spot, the 3rd target spot,
4th target spot and the 5th target spot, wherein：
First target spot and the second target spot interval demarcation distance are fixed on the first transmission of electricity pedestal or described the
On two transmission of electricity pedestals；
Along the described first transmission of electricity pedestal to the direction of the described second transmission of electricity pedestal, the 3rd target spot, the described 4th
Target spot and the 5th target spot are distributed on the transmission line of electricity successively, and the 4th target spot is located at the transmission line of electricity
Midpoint；
Communication equipment, it is connected with the collecting device, is fixed on the first transmission of electricity pedestal；
Power supply unit, it is connected with the communication equipment and the collecting device, is fixed on the first transmission of electricity pedestal,
Including：Second processor, solar panels and battery, wherein：
The battery is embedded with battery management system；
Server, it is connected by wireless network with the communication equipment, is adopted for what is gathered according to the collecting device
Collection image and collecting temperature determine the stress state of the transmission line of electricity.
Optionally, between the communication equipment, with the collecting device and the power supply unit, by serial data line and
Supply lines is connected.
Optionally, the system also includes：The scale being fixed on the second transmission of electricity pedestal, first target spot and institute
The both ends that the second target spot is located at the scale respectively are stated, the material of the scale is ceramics.
Optionally, the distance between the 3rd target spot and the 4th target spot and the 4th target spot and described
The distance between five target spots, not less than 1m.
Optionally, the power supply unit includes：Transparency protected shell and the power supply unit being arranged in the transparency protected shell
Body, the transparency protected shell has opening, described to be open towards ground.
Optionally, the target spot is red, yellow or green.
Compared with prior art, a kind of system for detecting transmission line of electricity stress state of the present utility model, is realized as follows
Beneficial effect：
1) system provided by the utility model determines tested measuring point by the way of fixed target spot, without drawing from tested measuring point
Go out wire, the stress state compared with long power transmission line can be detected；
2) system provided by the utility model requires low to user of service's skills and experience, easy to install and use quick；
3) system provided by the utility model carries out stress mornitoring by the way of taking pictures, under conditions of security is ensured
Reduce testing cost.
It is of the present utility model other by referring to the drawings to the detailed description of exemplary embodiment of the present utility model
Feature and its advantage will be made apparent from.
Brief description of the drawings
It is combined in the description and the accompanying drawing of a part for constitution instruction shows embodiment of the present utility model, and
And it is used to explain principle of the present utility model together with its explanation.
Fig. 1 is a kind of composition figure for detecting transmission line of electricity stress state system in the utility model；
Fig. 2 is a kind of composition figure for the collecting device for detecting transmission line of electricity stress state system in the utility model；
Fig. 3 is a kind of composition figure for the target spot for detecting transmission line of electricity stress state system in the utility model；
Fig. 4 is a kind of composition figure for the power supply unit for detecting transmission line of electricity stress state system in the utility model；
Fig. 5 is a kind of layout for detecting transmission line of electricity stress state system in the utility model.
Embodiment
Various exemplary embodiments of the present utility model are described in detail now with reference to accompanying drawing.It should be noted that：It is unless another
Illustrate outside, the part and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited
The scope of the utility model processed.
The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
Embodiment 1
Fig. 1 is a kind of composition figure for detecting transmission line of electricity stress state system in the utility model, and Fig. 2 is the utility model
A kind of composition figure of middle collecting device for detecting transmission line of electricity stress state system, Fig. 3 are that a kind of detection is defeated in the utility model
The composition figure of the target spot of electric line stress state system, Fig. 4 are a kind of detection transmission line of electricity stress state system in the utility model
The composition figure of the power supply unit of system, Fig. 5 are a kind of layout for detecting transmission line of electricity stress state system in the utility model.
A kind of system 10 for detecting transmission line of electricity stress state, as shown in figure 1, including：Collecting device 11, target spot 12, lead to
Believe equipment 13, power supply unit 14 and server 15, collection equipment 11, communication equipment 13 and power supply unit 14 are mutually connected each other
Connect, communication equipment 13 is connected by wireless network with service 15；Target spot 12 is not connected with any equipment.
Collecting device 11, as shown in Fig. 2 including：Digital camera 111, first processor 112 and temperature sensor 113；
Target spot 12, as shown in figure 3, including：First target spot 121, the second target spot 122, the 3rd target spot 123, the 4th target spot 124 and the 5th target
Point 125；As shown in figure 4, power supply unit 14, including：Second processor 141, solar panels 142 and battery 143, wherein at second
Reason device 141, solar panels 142 and battery 143 are connected with each other between any two each other, and battery management system is embedded with battery 143.
As shown in figure 5, system 10 is used to detect the transmission line of electricity between the first transmission of electricity transmission of electricity pedestal 30 of pedestal 20 and second
40 stress state, collecting device 11, communication equipment 13 and power supply unit 14 are fixed on the first transmission of electricity pedestal 20, the first target spot
121 and second target spot 122 interval demarcation distance be fixed on the first transmission of electricity pedestal 20, the first target spot 121 and the second target spot 122
Demarcation distance can be spaced to be fixed on the second transmission of electricity pedestal 30, the side for pedestal 30 of transmitting electricity along the first transmission of electricity pedestal 20 to the second
Upwards, the 3rd target spot 123, the 4th target spot 124 and the 5th target spot 125 are distributed on transmission line of electricity 40 successively, the 4th target spot
124 are located at the midpoint of transmission line of electricity 40；Server 15 can be located at optional position, be connected by wireless network with communication equipment 13
Connect.
The all constituents of target spot 12 are all located in the image pickup scope of digital camera shooting 111, digital camera 111
According to the program of setting, collection image, while temperature sensor 113 are obtained by the way of being taken pictures when continuously recording or interval
Collecting temperature during shooting photo is obtained, first processor 112 will gather image and collecting temperature is sent to communication equipment 13, leads to
Letter equipment 13 sends it to server 15 again, and the collection image and collecting temperature that server 15 obtains according to collecting device 11 are true
Determine the stress state of transmission line of electricity 40.
Further, in some optional embodiments, server 15 is in identified sign state, specifically using following step
Suddenly：
Obtain collection image and collecting temperature；
According to collecting temperature and initial temperature, demarcation distance is modified to obtain corrected range, wherein, initial temperature is
Fix temperature when the first target spot 121 and the second target spot 122；
According to corrected range, obtain the first collection in collection image between the 3rd target spot 123 and the 4th target spot 124 away from
From the second collection distance in acquisition collection image between the 4th target spot 124 and the 5th target spot 125；
The strain of transmission line of electricity is determined according to the first distance, second distance, the first collection distance and the second collection distance, its
In, the first distance is the distance in initial temperature between the 3rd target spot 123 and the 4th target spot 124, and second distance is initial
The distance between 4th target spot 124 and the 5th target spot 125 during temperature；
The stress state of transmission line of electricity is determined according to the Young's modulus of strain, transmission line of electricity 40.
Specifically, demarcation distance is to gather the foundation of the first collection distance and the second collection distance in image as determination,
However, because the change of temperature can cause object to expand with heat and contract with cold, accordingly, will cause the first target spot 121 and the second target spot 122 it
Between distance change, so need to demarcation distance be modified, obtain the reality between the first target spot 121 and the second target spot 122
Border distance, i.e. corrected range, then according to corrected range, determine the first collection distance and the second collection distance, then can calculate
The length change of transmission line of electricity 40 between 3rd target spot 123, the 4th target spot 124 and the 5th target spot 125, then determine the 3rd target spot
123rd, the strain between the 4th target spot 124 and the 5th target spot 125, stress finally is arrived with what Young's modulus was multiplied by strain, so as to really
Determine the stress state of transmission line of electricity, when collection image is obtained, the shooting angle of digital camera 111 should be changed, protected
For card from each target spot of multiple angle shots, the precision of calculating can be improved by obtaining collection image from different perspectives.
Further, in some optional embodiments, according to collecting temperature and initial temperature, demarcation distance is repaiied
Corrected range is just being obtained to specifically include：
Initial temperature, which is subtracted, with collecting temperature obtains temperature difference；
The thermal linear expansion coefficient that pedestal material is multiplied by with temperature difference obtains variation length, wherein：Pedestal material is to prepare
The material of the first transmission of electricity transmission of electricity pedestal 30 of pedestal 20 and second；
With demarcation distance corrected range is obtained plus variation length.
Specifically, the first transmission of electricity pedestal 20 and second is transmitted electricity, pedestal 30 can be made of a variety of materials, but the first target spot 121
It is must be fixedly arranged at the second target spot 122 on same material, and the material connects the first target spot 121 and the second target spot 122, with this
Thermal linear expansion coefficient of the thermal linear expansion coefficient of material as pedestal material.
Further, in some optional embodiments, the strain of transmission line of electricity 40 includes：First strain and second should
Become；
The strain of transmission line of electricity, tool are determined according to the first distance, second distance, the first collection distance and the second collection distance
Body includes：
With collecting temperature and initial temperature, the first distance and second distance are modified to obtain the first corrected range respectively
With the second corrected range；The difference of the first corrected range is subtracted with the first collection distance divided by the first corrected range obtains first and answered
Become；
The difference of the second corrected range is subtracted with the second collection distance divided by the second corrected range obtains the second strain.
Specifically, the strain of transmission line of electricity includes the first strain and the second strain, in fact, can be with using the utility model
Detect the strain and stress on any one cross-talk circuit on transmission line of electricity 40, it is only necessary in each fixation in sub-line road both ends to be detected
One target spot, and the length of sub-line road when mounted is determined, other steps are with determining the 3rd target spot 123 and the 4th target spot 124
Between strain with stress the step of it is identical.
Embodiment 2
Fig. 1 is a kind of composition figure for detecting transmission line of electricity stress state system in the utility model, and Fig. 2 is the utility model
A kind of composition figure of middle collecting device for detecting transmission line of electricity stress state system, Fig. 3 are that a kind of detection is defeated in the utility model
The composition figure of the target spot of electric line stress state system, Fig. 4 are a kind of detection transmission line of electricity stress state system in the utility model
The composition figure of the power supply unit of system, Fig. 5 are a kind of layout for detecting transmission line of electricity stress state system in the utility model.
A kind of system 10 for detecting transmission line of electricity stress state, refer to Fig. 1, including：Collecting device 11, target spot 12, lead to
Believe equipment 13, power supply unit 14 and server 15.
Collecting device 11, as shown in Fig. 2 including：Digital camera 111, first processor 112 and temperature sensor 113；
Preferably, digital camera 111 has infrared photography function, available for shooting nighttime image.
Target spot 12, as shown in figure 3, including：First target spot 121, the second target spot 122, the 3rd target spot 123, the 4th target spot 124
With the 5th target spot 125；Preferably, any side of target spot 12 is failed to grow up in 20cm.
It refer to Fig. 4, power supply unit 14, including：Second processor 141, solar panels 142 and battery 143, wherein second
Processor 141, solar panels 142 and battery 143 are connected with each other between any two each other, and battery management system is embedded with battery 143
System；When the voltage that solar panels 142 are provided reaches threshold value, solar panels 142 are that second processor 141 and battery 143 supply
Electricity, when the voltage that solar panels 142 are provided is less than threshold value, powered by battery 143 for second processor 141, wherein battery
143 use rechargeable lithium ion batteries, it is preferred that using lithium titanate battery.
Referring again to Fig. 1, in system 10, collecting device 11, communication equipment 13 and power supply unit 14 are mutual each other
Connection, communication equipment 13 are connected by wireless network with service 15；Target spot 12 is not connected with any equipment.Collecting device
11st, communication equipment 13 and power supply unit 14 are connected with each other by way of wired connection each other, and communication equipment 13 passes through
GPRS network is connected with service 15.
Fig. 5 is refer to, system 10 is used to detect the transmission line of electricity between the first transmission of electricity transmission of electricity pedestal 30 of pedestal 20 and second
40 stress state, first transmission of electricity pedestal 20 and second transmit electricity pedestal 30 between do not have any other transmit electricity pedestal, transmission line of electricity
The Young's modulus of any two cross-talks circuit is identical on 40.
Collecting device 11, communication equipment 13 and power supply unit 14 are fixed on the first transmission of electricity pedestal 20, the He of the first target spot 121
Demarcation distance in second target spot 122 interval is fixed on the first transmission of electricity pedestal 20, and the first target spot 121 and the second target spot 122 can also
Interval demarcation distance is fixed on the second transmission of electricity pedestal 30, the direction for pedestal 30 of being transmitted electricity along the first transmission of electricity pedestal 20 to the second
On, the 3rd target spot 123, the 4th target spot 124 and the 5th target spot 125 are distributed on transmission line of electricity 40 successively, the 4th target spot 124
Positioned at the midpoint of transmission line of electricity 40；Server 15 can be connected by GPRS network with communication equipment 13 at an arbitrary position.
The all constituents of target spot 12 are all located in the image pickup scope of digital camera shooting 111, digital camera 111
The method taken pictures according to the time of setting, during using continuously recording or interval is obtained gathering image, and target is included in collection image
Point 12, while the collecting temperature during determination shooting photo of temperature sensor 113, first processor 112 will gather image and collection
Temperature is sent to communication equipment 13, and communication equipment 13 sends it to server 15 again, and server 15 is adopted according to collecting device 11
The collection image of collection, using 3 d modeling software, such as：AICON 3D Studio、PolyWorks、Geomagic Control
Or Spatial Analyzer.Extract the first target spot 121, the second target spot 122, the 3rd target spot 123, the 4th target spot 124 and
The position relationship of five target spots 125, then demarcation distance is modified according to collecting temperature, so that it is determined that the 3rd target spot the 123, the 4th
The distance between target spot 125 of target spot 124 and the 5th, so that it is determined that the strain and stress state of transmission line of electricity 40, in order to as smart as possible
True acquisition data, by the way of digital camera shooting 111 can be taken pictures using interval, in the short period of time, it is usually no more than
10 minutes, multiple collection images are shot, and the angle of digital camera shooting 111 is rotated when shooting, collecting image,
So by the collection image of multiple angle shots, the accuracy of modeling can be improved, and within this shorter of time, can be with
Ignore the influence of temperature change.
Further, in some optional embodiments, communication equipment 13, with collecting device 11 and power supply unit 14 it
Between, it is connected by serial data line with supply lines.Serial data line is sent for transmitting communication equipment 13 to collecting device 11
Control signal, the battery status data and collecting device 11 that battery management system records in power supply unit 14 set to transmission
The standby 13 collection images sent and collecting temperature data, wherein：Battery status data is sent out by power supply unit 14 through communication equipment 13
Server 15 is delivered to, control signal is sent to communication equipment 13 by server 15, and control signal is used to specify collecting device 11 to obtain
Take the time point of collection image.
Further, in some optional embodiments, system 10 also includes：The mark being fixed on the second transmission of electricity pedestal 20
Chi, the first target spot 121 and the second target spot 122 are located at the both ends of scale respectively, and the material of scale is ceramics.Now, the length of scale
Degree is exactly to demarcate distance, is that the length of scale is with environment temperature because the thermal coefficient of expansion of ceramics is small using ceramic making scale
Change it is small, and ceramic corrosion resistance is strong, in the service life of system 10, will not be destroyed because of spontaneous corrosion.
Further, in some optional embodiments, the distance between the 3rd target spot 123 and the 4th target spot 124 and
The distance between 4th target spot 124 and the 5th target spot 125, not less than 1m.In the utility model, the size of any target spot 12 is neglected
Slightly to disregard, any target spot 12 is considered as a fixing point, and when the distance between the 3rd target spot 123 and the 4th target spot 124 or the
When the distance between four target spots 124 and the 5th target spot 125 are less than or equal to 1m, if ignoring the size of target spot 12, institute is calculated
Obtained stress value will have larger error, without reference significance.
Further, in some optional embodiments, power supply unit 14 includes：Transparency protected shell and it is arranged at transparent guarantor
Power supply unit body in protective case, transparency protected shell have opening, are open towards ground.Transparency protected shell is used to prevent power supply from setting
Standby 14 are destroyed by rainwater, accumulated snow or strong wind etc., and transparency protected shell can pass through sunshine, not influence the use of solar panels 142, supply
The connecting line of electric equipment 14 and other equipment is drawn from opening.
Further, in some optional embodiments, target spot 12 is red, yellow or green.These three colors have
Higher resolution, it can be shown in apparent in collection image, improve the accuracy of detection of system 10.
The utility model provides a kind of system for detecting transmission line of electricity stress state, realizes following beneficial effect：
1) system provided by the utility model determines tested measuring point by the way of fixed target spot, without drawing from tested measuring point
Go out wire, the stress state compared with long power transmission line can be detected；
2) system provided by the utility model requires low to user of service's skills and experience, easy to install and use quick；
3) system provided by the utility model carries out stress mornitoring by the way of taking pictures, under conditions of security is ensured
Reduce testing cost.
Although some specific embodiments of the present utility model are described in detail by example, this area
It is to be understood by the skilled artisans that example above merely to illustrate, rather than in order to limit the scope of the utility model.This
Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case of, to above example
Modify.The scope of the utility model is defined by the following claims.
Claims (6)
1. a kind of system for detecting transmission line of electricity stress state, it is characterised in that the system detectio first is transmitted electricity pedestal and the
The stress state of transmission line of electricity between two transmission of electricity pedestals, the system include：
Collecting device, it is fixed on the first transmission of electricity pedestal, including：First processor, digital camera and temperature sensor；
Target spot, in the image pickup scope of the digital camera, including：First target spot, the second target spot, the 3rd target spot, the 4th
Target spot and the 5th target spot, wherein：
First target spot and the second target spot interval demarcation distance are fixed on the first transmission of electricity pedestal or described second defeated
On electric pedestal；
Along the described first transmission of electricity pedestal to the direction of the described second transmission of electricity pedestal, the 3rd target spot, the 4th target spot
It is distributed in successively on the transmission line of electricity with the 5th target spot, the 4th target spot is located in the transmission line of electricity
Point；
Communication equipment, it is connected with the collecting device, is fixed on the first transmission of electricity pedestal；
Power supply unit, it is connected with the communication equipment and the collecting device, is fixed on the first transmission of electricity pedestal, bag
Include：Second processor, solar panels and battery, wherein：
The battery is embedded with battery management system；
Server, it is connected by wireless network with the communication equipment, for the collection figure gathered according to the collecting device
Picture and collecting temperature determine the stress state of the transmission line of electricity.
2. a kind of system for detecting transmission line of electricity stress state according to claim 1, it is characterised in that the communication is set
It is standby, between the collecting device and the power supply unit, it is connected by serial data line with supply lines.
3. a kind of system for detecting transmission line of electricity stress state according to claim 1, it is characterised in that the system is also
Including：The scale being fixed on the second transmission of electricity pedestal, first target spot and second target spot are located at the mark respectively
The both ends of chi, the material of the scale is ceramics.
A kind of 4. system for detecting transmission line of electricity stress state according to claim 1, it is characterised in that the 3rd target
The distance between point and the 4th target spot and the distance between the 4th target spot and the 5th target spot, not less than 1m.
5. a kind of system for detecting transmission line of electricity stress state according to claim 1, it is characterised in that the power supply is set
It is standby to include：Transparency protected shell and the power supply unit body being arranged in the transparency protected shell, the transparency protected shell, which has, to be opened
Mouthful, it is described to be open towards ground.
6. a kind of system for detecting transmission line of electricity stress state according to claim 1, it is characterised in that the target spot is
Red, yellow or green.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721108359.6U CN207081508U (en) | 2017-08-31 | 2017-08-31 | A kind of system for detecting transmission line of electricity stress state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721108359.6U CN207081508U (en) | 2017-08-31 | 2017-08-31 | A kind of system for detecting transmission line of electricity stress state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207081508U true CN207081508U (en) | 2018-03-09 |
Family
ID=61421357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721108359.6U Active CN207081508U (en) | 2017-08-31 | 2017-08-31 | A kind of system for detecting transmission line of electricity stress state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207081508U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367345A (en) * | 2017-08-31 | 2017-11-21 | 北京蓝海华业科技股份有限公司 | A kind of system for detecting transmission line of electricity stress state |
| CN114303168A (en) * | 2019-08-30 | 2022-04-08 | 松下知识产权经营株式会社 | Stress analysis device |
-
2017
- 2017-08-31 CN CN201721108359.6U patent/CN207081508U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367345A (en) * | 2017-08-31 | 2017-11-21 | 北京蓝海华业科技股份有限公司 | A kind of system for detecting transmission line of electricity stress state |
| CN107367345B (en) * | 2017-08-31 | 2023-08-22 | 北京蓝海华业科技股份有限公司 | System for detecting stress state of power transmission line |
| CN114303168A (en) * | 2019-08-30 | 2022-04-08 | 松下知识产权经营株式会社 | Stress analysis device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102305664A (en) | Thermal imaging temperature measurement and fault location inspection system | |
| CN106448019A (en) | Unmanned aerial vehicle monitoring system for monitoring forest fire in real time | |
| CN202119539U (en) | Thermal image temperature measuring and fault location inspecting system | |
| CN103940358A (en) | Real-time bridge monitoring system | |
| CN103712586B (en) | Curved Ramp bridge pier Liang Sicheng real-time automatic monitoring system | |
| CN105791772B (en) | A kind of campus wireless video monitoring system | |
| CN202793376U (en) | Vision-based object tilt displacement settlement deformation monitoring system | |
| CN207081508U (en) | A kind of system for detecting transmission line of electricity stress state | |
| CN109506132A (en) | A kind of heat distribution pipeline detection system based on visible light and infrared thermal imaging | |
| CN106871793B (en) | A method of it is displaced using laser and imaging technique combined monitoring building | |
| CN107255534A (en) | A kind of error measurement method of Thermistor Temperature Measurement instrument | |
| CN110836727A (en) | Cable joint temperature detection system based on wireless transmission and detection method thereof | |
| CN109974860A (en) | Based on thermal imaging coal mine down-hole personnel monitoring system | |
| CN210893247U (en) | Geological disaster emergency monitoring system | |
| CN203100724U (en) | Device for ranging by utilizing photo taken by camera | |
| CN102589351B (en) | Digitizing collection device and detection method based on antiaircraft gun operation parameter of weather modification | |
| CN107367345A (en) | A kind of system for detecting transmission line of electricity stress state | |
| CN105157847B (en) | A kind of online accurate temp measuring method of power equipment and temp measuring system | |
| CN116823192A (en) | Iron tower intelligent detection system | |
| CN110987936A (en) | Dam surface crack intelligent identification measuring device towards unmanned aerial vehicle | |
| CN110160448A (en) | A kind of transmission line of electricity analog conducting wire icing on-line monitoring system | |
| CN108956701A (en) | A kind of long-term real-time monitoring device of tunnel seam crossing percolating water and method | |
| CN210664551U (en) | Device for preventing cheat of changing calibration value of instrument | |
| CN205718833U (en) | A kind of Structural Engineering safety automation monitoring system | |
| CN109281345A (en) | Excavator remotely monitors cloud service system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |