CN113532258A - Stage mother frame capable of monitoring deformation and control method for preventing deformation - Google Patents
Stage mother frame capable of monitoring deformation and control method for preventing deformation Download PDFInfo
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- CN113532258A CN113532258A CN202110800262.6A CN202110800262A CN113532258A CN 113532258 A CN113532258 A CN 113532258A CN 202110800262 A CN202110800262 A CN 202110800262A CN 113532258 A CN113532258 A CN 113532258A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 5
- 230000000007 visual effect Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 description 6
- 230000014509 gene expression Effects 0.000 description 5
- 239000011888 foil Substances 0.000 description 3
- 238000011897 real-time detection Methods 0.000 description 3
- 238000011179 visual inspection Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 238000012423 maintenance Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
- G01B7/18—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in resistance
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
The invention relates to a stage mother frame capable of monitoring deformation and a control method for preventing deformation, which comprises the following steps: the trusses are connected in sequence; the deformation detection module is arranged at the stressed parts of the trusses and used for detecting deformation and generating data information; the input end of the control module is connected with the deformation detection module and is used for receiving the data information and judging whether the deformation quantity exceeds a set value or not; and the alarm module is connected with the output end of the control module, and can send out an alarm signal under the control of the control module when the deformation exceeds a set value. The judgment result is completely based on the data detected in real time, and the accuracy and the reliability are good; meanwhile, when the deformation quantity is too large, the warning device can warn workers, manual visual observation is not needed, the psychological burden is reduced, the catastrophic effect caused by accidental negligence of human eye observation is avoided, and the safety of the stage can be completely guaranteed.
Description
Technical Field
The invention relates to the field of stage control, in particular to a stage mother frame capable of monitoring deformation and a control method for preventing deformation.
Background
When the stage is built, a giant mother frame formed by combining a plurality of trusses is needed to be used, the mother frame is arranged right above the stage and used for hanging stage lighting, hanging, sound and other equipment, when too much equipment is hung below the mother frame, the connection part of each truss or the truss can deform, when the weight exceeds a certain threshold value, the truss can be directly broken, and therefore safety accidents are caused.
Generally, when building a mother frame, a person building the platform can observe the deformation of the truss in a visual observation mode, the visual observation mode depends on human eye observation, and the accuracy and the reliability are poor; meanwhile, the visual inspection mode occupies time, the people who build the platform need to observe the platform continuously without relaxation, the psychological burden is heavy, the work of the people who build the platform in other aspects can be indirectly influenced, the human eye observation can cause disastrous consequences once negligence occurs, and the safety is difficult to guarantee.
Disclosure of Invention
Therefore, it is necessary to provide a stage mother frame capable of monitoring deformation and a control method for preventing deformation, aiming at the problems that the traditional visual observation has poor reliability, influences normal work and is difficult to ensure safety.
A stage parent frame capable of monitoring deformation, comprising:
the trusses are connected in sequence;
the deformation detection module is arranged at the stressed parts of the trusses and used for detecting deformation and generating data information;
the input end of the control module is connected with the deformation detection module and is used for receiving the data information and judging whether the deformation quantity exceeds a set value or not;
and the alarm module is connected with the output end of the control module, and can send out an alarm signal under the control of the control module when the deformation exceeds a set value.
Above-mentioned female frame of stage that can monitor deformation has following beneficial technological effect at least:
compared with the method of observing the deformation of the truss in a visual inspection mode, the method has the advantages that the judgment result of the control module is completely based on real-time detection data, and the accuracy and the reliability are good; meanwhile, when the deformation quantity is too large, the deformation quantity can be warned to the working personnel, and the manual visual observation is not needed, so that the working personnel is liberated from the continuous deformation observation work, the psychological burden is reduced, the working in other aspects can be processed with great concentration, the catastrophic consequences caused by occasional negligence of human eye observation are avoided, and the safety of the stage can be completely guaranteed.
The operator can know the deformation quantity condition of the mother frame in real time, so that the load condition of the whole stage can be known at any time, the stress distribution of the mother frame can be conveniently known in real time, overall scheduling is carried out comprehensively based on the load condition, burden reduction measures are made for parts with large deformation quantity and danger, and potential safety hazards are eliminated.
In some embodiments, each of the deformation detection modules is respectively disposed on the lower surface of the truss and the lower surface of the joint between the adjacent trusses.
In some embodiments, each of the deformation sensing modules is attached to the truss.
In some of these embodiments, the deformation detection module comprises:
the resistance type strain gauge detects the deformation amount of the stressed part by monitoring the change of the resistance, and then data information is generated;
and the Bluetooth transmitting module is connected with the resistance-type strain gauge and is used for transmitting the data information to the control module.
In some of these embodiments, the resistive strain gage is a BX120-3AA high precision resistive strain gage.
In some of these embodiments, the control module comprises:
the Bluetooth receiving module is used for receiving the data information transmitted by the Bluetooth transmitting module;
the input end of the singlechip is connected with the Bluetooth receiving module, and whether the deformation quantity exceeds a set value or not can be judged based on the received data information;
and the KSZ8061 network transmission module is connected with the output end of the singlechip and is used for transmitting the deformation amount and an alarm signal generated when the singlechip judges that the deformation amount exceeds a set value to a stage moving device control system.
In some of these embodiments, the alarm module includes a buzzer and/or a warning light.
In some embodiments, the stage rack capable of monitoring deformation further includes a display component connected to the control module for displaying the deformation amount detected by each deformation detection module.
A control method for preventing deformation of a stage mother frame comprises the following steps:
the deformation detection module continuously collects deformation data of the stress part of each truss and generates data information, and then the data information is sent to the control module;
after receiving the data information, the control module compares the data information with a pre-stored standard deformation value, and judges that the deformation quantity exceeds a set value when the deformation quantity detected in real time is greater than the standard deformation value;
the control module controls the alarm module to send out an alarm signal, controls the display part to display the deformation quantity detected by each deformation detection module on the display part for a worker to check, and pops up a message window to inform the worker of the position of the stressed part with large deformation quantity on the mother frame.
Drawings
Fig. 1 is a schematic view of a stage parent frame capable of monitoring deformation according to an embodiment of the present invention;
FIG. 2 is a front view of a left side truss of the stage parent frame capable of monitoring deformation in FIG. 1;
FIG. 3 is a control schematic diagram of the present invention for preventing deformation;
in the figure, 100, a truss; 200. and a deformation detection module.
Detailed Description
The invention will be further explained with reference to the drawings.
To facilitate an understanding of the invention, various embodiments of the invention defined by the claims are described more fully below with reference to the accompanying drawings. While the preferred embodiments of the present invention have been illustrated in the accompanying drawings, and described in detail to facilitate this understanding, such details are to be regarded as illustrative only. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Accordingly, those of ordinary skill in the art will recognize that changes and modifications of the various embodiments described herein can be made without departing from the scope of the invention, which is defined by the appended claims. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.
It will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present invention are provided for illustration only and not for the purpose of limiting the invention as defined by the appended claims.
Throughout the description and claims of this specification, the words "comprise" and variations of the words, for example "comprising" and "comprises", mean "including but not limited to", and are not intended to (and do not) exclude other components, integers or steps. Features, integers or characteristics described in conjunction with a particular aspect, embodiment or example of the invention are to be understood to be applicable to any other aspect, embodiment or example described herein unless incompatible therewith.
It is to be understood that the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. The expression "comprising" and/or "may comprise" as used in the present invention is intended to indicate the presence of corresponding functions, operations or elements, and is not intended to limit the presence of one or more functions, operations and/or elements. Furthermore, in the present invention, the terms "comprises" and/or "comprising" are intended to indicate the presence of the features, amounts, operations, elements, and components disclosed in the specification, or combinations thereof. Thus, the terms "comprising" and/or "having" should be understood as presenting additional possibilities for one or more other features, quantities, operations, elements, and components, or combinations thereof.
In the present invention, the expression "or" comprises any and all combinations of the words listed together. For example, "a or B" may comprise a or B, or may comprise both a and B.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present.
References herein to "upper", "lower", "left", "right", etc. are merely intended to indicate relative positional relationships, which may change accordingly when the absolute position of the object being described changes.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present specification and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 3, in an embodiment of the present invention, a stage rack capable of monitoring deformation is provided, including:
a plurality of trusses 100, each truss 100 being connected in sequence;
the deformation detection module 200 is arranged at the stressed parts of the trusses 100 and used for detecting deformation and generating data information;
the input end of the control module is connected with the deformation detection module 200 and is used for receiving the data information and judging whether the deformation quantity exceeds a set value;
and the alarm module is connected with the output end of the control module, and can send out an alarm signal under the control of the control module when the deformation exceeds a set value.
Specifically, the deformation detection module 200 continuously collects deformation data of the stressed portion of each truss 100 and generates data information, and then sends the data information to the control module; after receiving the data information, the control module compares the data information with a pre-stored standard deformation value, and judges that the deformation quantity exceeds a set value when the deformation quantity detected in real time is greater than the standard deformation value; control module control alarm module sends alarm signal, and the staff knows the back and can repaiies the maintenance fast, alleviates the heavy burden of truss 100, avoids the further emergence that leads to the incident that increases of deflection.
The invention has at least the following effects:
(1) compared with the mode of observing the deformation of the truss by visual observation, the judgment result of the control module is completely based on real-time detection data, and the accuracy and the reliability are good; meanwhile, when the deformation quantity is too large, the deformation quantity can be warned to the working personnel, and the manual visual observation is not needed, so that the working personnel is liberated from the continuous deformation observation work, the psychological burden is reduced, the working in other aspects can be processed with great concentration, the catastrophic consequences caused by occasional negligence of human eye observation are avoided, and the safety of the stage can be completely guaranteed.
(2) The operator can know the deformation quantity condition of the mother frame in real time, so that the load condition of the whole stage can be known at any time, the stress distribution of the mother frame can be conveniently known in real time, overall scheduling is carried out comprehensively based on the load condition, burden reduction measures are made for parts with large deformation quantity and danger, and potential safety hazards are eliminated.
Referring to fig. 1, in some embodiments, each of the deformation sensing modules 200 is respectively disposed on the lower surface of the truss 100 and the lower surface of the joint between the adjacent trusses 100.
Specifically, when the truss 100 bears a load, the lower surface is stretched in the length direction after bearing a bending moment, and the upper surface is compressed in the length direction after bearing a bending moment, so that the lower surface is more easily deformed and the deformation degree is more obvious after being stretched compared with the compression under force; and the joints of the adjacent trusses 100 are weak and are also easily deformed, thereby causing accidents. Based on the above reasons, each deformation detection module 200 is respectively arranged on the lower surface of the truss 100 and the adjacent lower surface of the joint between the trusses 100, so that the deformation degree of the key stressed easily-deformed part can be monitored in real time, and the detection result can exactly reflect the whole stress deformation condition of the main frame.
The setting mode of this embodiment is simple, through set up deformation detection module 200 at key yielding position, can realize the comprehensive monitoring to female frame key position.
The operator can know the deformation condition of each easily-deformable part in real time, is favorable for knowing the load condition of the whole stage in real time, is convenient to know the stress distribution and the deformation condition of the mother frame in real time, and comprehensively schedules and makes burden reduction measures for the parts with large deformation and danger based on the condition, so that the prevention is realized in the bud.
In some embodiments, each of the deformation sensing modules 200 is attached to the truss 100.
Specifically, each of the deformation sensing modules 200 may be attached to the truss 100 by a double-sided adhesive during installation. The deformation detection module is simple to mount and convenient to dismount, and the position of the deformation detection module 200 is flexibly arranged as required in an adhesion mode; when the deformation detection module 200 needs to be replaced or repaired due to damage, the whole equipment can be maintained conveniently by directly taking down the deformation detection module.
Referring to fig. 2, in some embodiments, the deformation detection module 200 includes:
the resistance type strain gauge detects the deformation amount of the stressed part by monitoring the change of the resistance, and then data information is generated;
and the Bluetooth transmitting module is connected with the resistance-type strain gauge and is used for transmitting the data information to the control module.
Specifically, the resistance type strain gauge detects the deformation amount of a stressed part by monitoring the resistance change, and then data information is generated; the data information is then transmitted by the bluetooth transmission module to the control module.
In this embodiment, the truss that the female frame of large-scale stage contained is many, and corresponding deformation detection module 200's quantity is also more, and bluetooth emission module is based on the transmission module of nordic nrf52840, and is with low costs, and transmission speed is fast, consequently can set up bluetooth emission module respectively and match with the bluetooth receiving module on the control module in the deformation detection module 200 on a plurality of trusss 100 and link to each other, and the data information that obtains that each resistance-type foil gage detected sends to the control module through the mode piece of bluetooth transmission. The data that resistance-type foil gage detected are accurate, and the bluetooth emission module who sets up can reduce overall cost and realize the short distance quick transmission between resistance-type foil gage and the control module the two to be favorable to entire system's quick transmission response.
Furthermore, the resistance type strain gauge is preferably a BX120-3AA high-precision resistance type strain gauge. The resistance type strain gauge is low in cost, high in detection precision and accuracy, capable of meeting actual use requirements and capable of guaranteeing the safety of a stage.
In some embodiments, the control module comprises:
the Bluetooth receiving module is used for receiving the data information transmitted by the Bluetooth transmitting module;
the input end of the singlechip is connected with the Bluetooth receiving module, and whether the deformation quantity exceeds a set value or not can be judged based on the received data information;
and the KSZ8061 network transmission module is connected with the output end of the singlechip and is used for transmitting the deformation amount and an alarm signal generated when the singlechip judges that the deformation amount exceeds a set value to a stage moving device control system.
Specifically, the Bluetooth receiving module is a transmitting module based on nordic nrf52840, and the singlechip receives data information transmitted by each resistance-type strain gauge through the Bluetooth transmitting module and compares the data information with an internal prestored standard deformation value; and then transmitting the deformation amount and an alarm signal generated when the single chip microcomputer judges that the deformation amount detected in real time exceeds a standard deformation numerical value to the stage moving device control system, wherein an alarm module on the stage moving device control system can send out the alarm signal at the moment.
In this embodiment, the deformation volume, the alarm signal of each position can all be transmitted and appear to stage mobile device control system, and operation panel personnel accessible integrated stage mobile device control system once only learns the deformation volume condition of whole female frame, conveniently learns the load situation of whole stage at any time, can know in real time the atress distribution of female frame to overall planning is carried out and is planned the burden reduction measure to the big just dangerous position of deformation volume very much based on this, eliminates the potential safety hazard.
The single chip microcomputer is directly connected with the stage moving device control system, the data volume needing to be transmitted at one time is large, the network transmission module is based on the KSZ8061 network transmission module, high-speed transmission of large data volume can be achieved, therefore, collected data information can be directly transmitted to the stage moving device control system through the network transmission module, the transmission speed is high, timely and efficient response of the system is facilitated, and the system has important significance for preventing excessive deformation and protecting the safety of the truss 100.
In some embodiments, the alarm module includes a buzzer and/or a warning light. The buzzer can send buzzing, and the warning light can send warning light signals, so that the attention of workers can be effectively reminded, and the safety of the stage can be guaranteed.
Referring to fig. 3, in some embodiments, the deformation-monitorable stage rack further includes a display unit, connected to the control module, for displaying the deformation amount detected by each of the deformation detecting modules 200. The control part controls the alarm module to send out an alarm signal based on the data information, and simultaneously, the control part displays deformation detected by each deformation detection module 200 on the display part for a worker to check, and pops up a message window to inform the worker of the position of a stressed part with large deformation on the mother frame.
The working personnel can see the deformation quantity condition of each easily-deformable part on the display component in real time, so that the load condition of the whole stage can be conveniently known in real time, the stress distribution and the deformation condition of the master frame can be known at any time, and real-time overall scheduling is carried out on the basis of the stress distribution and the deformation condition of the master frame; the position of the stress part with large deformation on the mother frame can be known through the display part, so that effective burden reduction measures can be made for the part with large deformation and danger, and potential safety hazards are effectively reduced.
The invention also provides a control method for preventing the deformation of the stage mother frame, which comprises the following steps:
(1) the deformation detection module 200 continuously collects deformation data of the stressed part of each truss 100 and generates data information, and then sends the data information to the control module;
(2) after receiving the data information, the control module compares the data information with a pre-stored standard deformation value, and judges that the deformation quantity exceeds a set value when the deformation quantity detected in real time is greater than the standard deformation value;
(3) the control module controls the alarm module to send out an alarm signal, controls the display part to display the deformation quantity detected by each deformation detection module 200 on the display part for the staff to check, and pops up a message window to inform the staff of the position of the stressed part with large deformation quantity on the mother frame.
Compared with the method of observing the deformation of the truss in a visual inspection mode, the judgment result of the control module is completely based on real-time detection data, and the accuracy and the reliability are good; meanwhile, when the deformation quantity is too large, the deformation quantity can be warned to the working personnel, and the manual visual observation is not needed, so that the working personnel is liberated from the continuous deformation observation work, the psychological burden is reduced, the working in other aspects can be processed with great concentration, the catastrophic consequences caused by occasional negligence of human eye observation are avoided, and the safety of the stage can be completely guaranteed.
By adopting the method, the console personnel can know the deformation quantity condition of the mother frame in real time, so that the load condition of the whole stage can be known at any time, the stress distribution of the mother frame can be conveniently known in real time, overall scheduling is carried out comprehensively based on the stress distribution, burden reduction measures are made particularly for parts with large deformation quantity and danger, and potential safety hazards are eliminated.
In the above description, although it is possible to describe respective elements of the present invention using expressions such as "first" and "second", they are not intended to limit the corresponding elements. For example, the above expressions are not intended to limit the order or importance of the corresponding elements. The above expressions are used to distinguish one element from another.
The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Singular references include plural references unless there is a significant difference in context, scheme or the like between them.
The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.
Those skilled in the art will appreciate that various features of the above-described embodiments may be omitted, added, or combined in any way, and for the sake of brevity, all possible combinations of features of the above-described embodiments will not be described, however, so long as there is no contradiction between these combinations of features, and simple variations and structural variations which are adaptive and functional to the prior art, which can occur to those skilled in the art, should be considered within the scope of this description.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that while the present invention has been shown and described with reference to various embodiments, it will be understood by those skilled in the art that various changes and modifications in form and detail may be made without departing from the spirit of the invention and these are within the scope of the invention as defined by the appended claims. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. The utility model provides a female frame of stage that can monitor deformation which characterized in that includes:
the trusses are connected in sequence;
the deformation detection module is arranged at the stressed parts of the trusses and used for detecting deformation and generating data information;
the input end of the control module is connected with the deformation detection module and is used for receiving the data information and judging whether the deformation quantity exceeds a set value or not;
and the alarm module is connected with the output end of the control module, and can send out an alarm signal under the control of the control module when the deformation exceeds a set value.
2. A stage mother frame capable of monitoring deformation according to claim 1, wherein each deformation detection module is respectively arranged on the lower surfaces of the trusses and the lower surface of the joint between the adjacent trusses.
3. A stage mother frame capable of monitoring deformation according to claim 2, wherein each deformation detection module is adhered to the truss.
4. A stage mother frame capable of monitoring deformation according to claim 1, wherein the deformation detection module comprises:
the resistance type strain gauge detects the deformation amount of the stressed part by monitoring the change of the resistance, and then data information is generated;
and the Bluetooth transmitting module is connected with the resistance-type strain gauge and is used for transmitting the data information to the control module.
5. A stage mother frame capable of monitoring deformation according to claim 4, wherein the resistance strain gauge is a BX120-3AA high precision resistance strain gauge.
6. A stage mother frame capable of monitoring deformation according to claim 4, wherein the control module comprises:
the Bluetooth receiving module is used for receiving the data information transmitted by the Bluetooth transmitting module;
the input end of the singlechip is connected with the Bluetooth receiving module, and whether the deformation quantity exceeds a set value or not can be judged based on the received data information;
and the KSZ8061 network transmission module is connected with the output end of the singlechip and is used for transmitting the deformation amount and an alarm signal generated when the singlechip judges that the deformation amount exceeds a set value to a stage moving device control system.
7. A stage mother frame capable of monitoring deformation according to claim 1, wherein the alarm module comprises a buzzer and/or a warning light.
8. A stage mother frame capable of monitoring deformation according to claim 1, further comprising a display component connected to the control module for displaying the deformation amount detected by each deformation detection module.
9. A control method for preventing the deformation of a stage mother frame is characterized by comprising the following steps:
the deformation detection module continuously collects deformation data of the stress part of each truss and generates data information, and then the data information is sent to the control module;
after receiving the data information, the control module compares the data information with a pre-stored standard deformation value, and judges that the deformation quantity exceeds a set value when the deformation quantity detected in real time is greater than the standard deformation value;
the control module controls the alarm module to send out an alarm signal, controls the display part to display the deformation quantity detected by each deformation detection module on the display part for a worker to check, and pops up a message window to inform the worker of the position of the stressed part with large deformation quantity on the mother frame.
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| CN202110800262.6A CN113532258A (en) | 2021-07-15 | 2021-07-15 | Stage mother frame capable of monitoring deformation and control method for preventing deformation |
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| CN202110800262.6A CN113532258A (en) | 2021-07-15 | 2021-07-15 | Stage mother frame capable of monitoring deformation and control method for preventing deformation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109708565A (en) * | 2019-02-14 | 2019-05-03 | 北京市劳动保护科学研究所 | A kind of monitoring device and system of truss structure |
| CN209147940U (en) * | 2018-10-09 | 2019-07-23 | 武汉理工大学 | A kind of makeshift stage truss structure stress security optical fibre Grating Detecting System |
| CN111006580A (en) * | 2019-12-30 | 2020-04-14 | 中国电建集团贵州电力设计研究院有限公司 | Deformation detecting system of scaffold |
| CN112197688A (en) * | 2020-09-28 | 2021-01-08 | 广东电网有限责任公司 | Early warning method and early warning device for deformation quantity of power transmission and distribution tower |
-
2021
- 2021-07-15 CN CN202110800262.6A patent/CN113532258A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209147940U (en) * | 2018-10-09 | 2019-07-23 | 武汉理工大学 | A kind of makeshift stage truss structure stress security optical fibre Grating Detecting System |
| CN109708565A (en) * | 2019-02-14 | 2019-05-03 | 北京市劳动保护科学研究所 | A kind of monitoring device and system of truss structure |
| CN111006580A (en) * | 2019-12-30 | 2020-04-14 | 中国电建集团贵州电力设计研究院有限公司 | Deformation detecting system of scaffold |
| CN112197688A (en) * | 2020-09-28 | 2021-01-08 | 广东电网有限责任公司 | Early warning method and early warning device for deformation quantity of power transmission and distribution tower |
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Application publication date: 20211022 |