CN112003377A - Transmission line image video online real-time monitoring equipment and system - Google Patents
Transmission line image video online real-time monitoring equipment and system Download PDFInfo
- Publication number
- CN112003377A CN112003377A CN202010891902.4A CN202010891902A CN112003377A CN 112003377 A CN112003377 A CN 112003377A CN 202010891902 A CN202010891902 A CN 202010891902A CN 112003377 A CN112003377 A CN 112003377A
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- transmission line
- time monitoring
- line image
- module
- image video
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
- H02J13/00026—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission involving a local wireless network, e.g. Wi-Fi, ZigBee or Bluetooth
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses an online real-time monitoring device and system for image and video of a power transmission line, which comprises a machine body, wherein the outer surface of the machine body is sleeved and slidably provided with an installation mechanism, a connecting plate is connected between two fixed cavity strip blocks, and the side surfaces of two ends of each fixed cavity strip block are respectively provided with a lug cavity. The invention relates to the technical field of power transmission line monitoring, in particular to a power transmission line image video online real-time monitoring device and a power transmission line image video online real-time monitoring system.
Description
Technical Field
The invention relates to the technical field of power transmission line monitoring, in particular to a power transmission line image video online real-time monitoring device and a power transmission line image video online real-time monitoring system.
Background
The transmission line is realized by boosting the electric energy generated by the generator by a transformer and then connecting the electric energy to the transmission line through control equipment such as a circuit breaker and the like, the transmission line is divided into an overhead transmission line and a cable line, the overhead transmission line is composed of a line tower, a lead, an insulator, a line hardware fitting, a stay wire, a tower foundation, a grounding device and the like, the transmission line is erected on the ground, the transmission line is divided into alternating current transmission and direct current transmission according to the property of transmission current, and the transmission line needs to be monitored on line in order to ensure that the transmission line can work normally.
However, the existing fixing mode of the power transmission line equipment is fixed through bolts, so that when the power transmission line equipment needs to be replaced or overhauled, the power transmission line equipment is very inconvenient to detach or install.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the equipment and the system for monitoring the image and the video of the power transmission line in real time on line, and solves the problem that the existing fixing mode of the power transmission line equipment is realized by bolts.
In order to achieve the purpose, the invention is realized by the following technical scheme: the online real-time monitoring device and system for the image and video of the power transmission line comprise a machine body, wherein the outer surface of the machine body is sleeved with a mounting mechanism in a sliding mode.
Installation mechanism is including two fixed chamber sticks, two be connected with the connecting plate between the fixed chamber stick, and the both ends side of fixed chamber stick all is provided with the lug chamber, the inside of fixed chamber stick is rotated perpendicularly and is connected with the pivot, the both ends surface of pivot all cup joints and is provided with the slider, two the spout has all been seted up to the one side that the lug chamber is relative, the inside embedding slidable mounting of spout has the location axle, the upper end fixedly connected with dog of location axle, and the upper end surface of location axle cup joints slidable mounting and has the spring, the upper and lower end of spring respectively with the inside lower surface in lug chamber and the lower fixed surface of dog be connected, a side of inside in lug chamber runs through slidable mounting and has trapezoidal wedge, rotate between the one end of trapezoidal wedge and the upper surface of dog and be connected with the regulation pole.
Preferably, a secondary bevel gear is sleeved at the middle position of the outer surface of the rotating shaft, a handle is embedded and rotatably mounted at the middle position of the front surface of the fixed cavity bar block, a primary bevel gear is fixedly connected to one end of the handle, and the primary bevel gear is meshed with the secondary bevel gear.
Preferably, the outer surfaces of the two ends of the rotating shaft are provided with threads, the two threads are opposite, the upper surfaces of the two sliding blocks are respectively provided with threaded holes matched with the two threads, and one ends of the two sliding blocks are positioned under the inclined planes of the other ends of the two trapezoidal wedges.
Preferably, when the spring is in a normal state, the positioning shaft is flush with the outer surface of the bump cavity, and positioning holes matched with the positioning shaft are formed in two corners of the upper surface and the lower surface of the machine body.
Preferably, four mounting grooves are formed in one side surface of the connecting plate in a matrix mode, and fans are fixedly mounted inside the four mounting grooves.
Preferably, the connecting plate is fixedly connected with the wall surface through bolts.
Preferably, the machine body comprises a central processing unit, the input end of the central processing unit is electrically connected with the output ends of the threshold value recording module and the voltage detection module through leads respectively, the output end of the central processing unit is electrically connected with the input ends of the chart display module and the early warning unit through leads respectively, and the central processing unit is in bidirectional connection with the comparison module through leads.
Preferably, the early warning unit comprises an early warning editing module, the output end of the early warning editing module is electrically connected with the input end of the alarm module through a wire, and the early warning editing module is in transmission connection with the mobile phone terminal through a WIFI module.
Advantageous effects
The invention provides a device and a system for online real-time monitoring of image and video of a power transmission line, which have the following beneficial effects compared with the prior art:
(1) the image and video online real-time monitoring equipment and the system for the power transmission line are characterized in that a connecting plate is connected between two fixed cavity strips, the side surfaces of two ends of each fixed cavity strip are respectively provided with a lug cavity, the inside of each fixed cavity strip is vertically and rotatably connected with a rotating shaft, the outer surfaces of two ends of each rotating shaft are respectively sleeved with a sliding block, the opposite surfaces of the two lug cavities are respectively provided with a sliding chute, a positioning shaft is embedded into the sliding chute and is slidably installed, the upper end of the positioning shaft is fixedly connected with a stop block, the outer surface of the upper end of the positioning shaft is sleeved with a spring, the upper end and the lower end of the spring are respectively and fixedly connected with the inner lower surface of the lug cavity and the lower surface of the stop block, a trapezoidal wedge block is slidably installed on one side surface of the inside of the lug cavity in, when the pivot rotated, can drive two sliders and remove, can extrude the inclined plane of two trapezoidal wedges when two sliders removed, under the elasticity of spring, the regulation pole can make the location axle insert the locating hole on the organism to accomplish the installation work of organism, when needing to dismantle the organism, the completion that the staff only need the reversal handle can be quick was to the dismantlement work of organism, replaced traditional bolt fastening mode, made organism easy dismounting, saved the time.
(2) This online real-time supervision of transmission line image video equipment and system, it has four mounting grooves to personally submit the matrix mode through one side of connecting plate, and the equal fixed mounting in inside of four mounting grooves has the fan, and when the organism at the during operation, the fan can be bloied the back of organism, can play fine radiating effect to the organism like this, and then has prolonged the life of organism.
(3) The image and video online real-time monitoring equipment and the system of the power transmission line are respectively electrically connected with the output ends of the threshold value input module and the voltage detection module through the input end of the central processing unit and the lead, the output end of the central processing unit is respectively and electrically connected with the input ends of the chart display module and the early warning unit through leads, the central processing unit and the comparison module are in bidirectional connection through leads, the output end of the early warning editing module is electrically connected with the input end of the alarm module through leads, the early warning editing module is in transmission connection with the mobile phone terminal through the WIFI module, when the transmission line has a fault, the system can remind related personnel in time, so that the working personnel can take corresponding measures in time, the loss is reduced, and in the monitoring process, the monitoring device can be displayed in a chart form, so that a worker can more visually observe the working condition of the power transmission line.
Drawings
FIG. 1 is a schematic, broken away view of the structure of the present invention;
FIG. 2 is a schematic structural view of the mounting mechanism of the present invention;
FIG. 3 is an internal schematic view of a fixed cavity bar and lug cavity configuration of the present invention;
FIG. 4 is an enlarged view of a portion of the structure of FIG. 3;
fig. 5 is a schematic frame diagram of the machine body of the present invention.
In the figure: 1. a body; 101. positioning holes; 11. a central processing unit; 12. a threshold value input module; 13. a voltage detection module; 14. a graph display module; 15. a comparison module; 16. an early warning unit; 161. an early warning editing module; 162. an alarm module; 163. a mobile phone terminal; 164. a WIFI module; 2. an installation mechanism; 21. fixing the cavity bar block; 2101. a handle; 2102. a main bevel gear; 22. a connecting plate; 221. mounting grooves; 222. a fan; 23. a bump cavity; 24. a rotating shaft; 241. a slave bevel gear; 242. a thread; 25. a slider; 26. a chute; 27. positioning the shaft; 28. a stopper; 29. a spring; 210. a trapezoidal wedge; 211. and adjusting the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the online real-time monitoring equipment and system of transmission line image video, including organism 1, the surface of organism 1 cup joints slidable mounting has installation mechanism 2.
Referring to fig. 2-4, the mounting mechanism 2 includes two fixed cavity bars 21, a connecting plate 22 is connected between the two fixed cavity bars 21, the two end sides of the fixed cavity bars 21 are respectively provided with a bump cavity 23, the inside of the fixed cavity bars 21 is vertically and rotatably connected with a rotating shaft 24, the outer surfaces of the two ends of the rotating shaft 24 are respectively sleeved with a slider 25, the opposite sides of the two bump cavities 23 are respectively provided with a sliding groove 26, a positioning shaft 27 is embedded into the sliding groove 26 and slidably mounted, the upper end of the positioning shaft 27 is fixedly connected with a stop 28, the outer surface of the upper end of the positioning shaft 27 is sleeved with a spring 29, the upper end and the lower end of the spring 29 are respectively and fixedly connected with the inner lower surface of the bump cavity 23 and the lower surface of the stop 28, a trapezoidal wedge 210 is slidably mounted through a side surface of the inside of the bump cavity 23, and an adjusting rod 211, a secondary bevel gear 241 is sleeved at the middle position of the outer surface of the rotating shaft 24, a handle 2101 is rotatably embedded at the middle position of the front surface of the fixed cavity bar block 21, a main bevel gear 2102 is fixedly connected at one end of the handle 2101, the main bevel gear 2102 is meshed with the secondary bevel gear 241, threads 242 are respectively arranged on the outer surfaces of two ends of the rotating shaft 24, the two threads 242 are arranged oppositely, threaded holes matched with the two threads 242 are respectively formed in the upper surfaces of the two sliders 25, one end of each of the two sliders 25 is positioned right below the inclined plane of the other end of each of the two trapezoidal wedges 210, when the handle 2101 is rotated, in order to drive the two sliders 25 to move and enable the two sliders to move oppositely, when the spring 29 is in a normal state, the positioning shaft 27 is flush with the outer surface of the bump cavity 23, and the two corners of the upper and lower surfaces of the machine body 1 are, in order to fix the position shaft 27 and can insert into the locating hole 101, four mounting grooves 221 are formed in one side surface of the connecting plate 22 in a matrix mode, fans 222 are fixedly mounted inside the four mounting grooves 221, and the connecting plate 22 is fixedly connected with the wall surface through bolts in order to dissipate heat of the machine body 1.
Referring to fig. 5, the machine body 1 includes a central processing unit 11, an input end of the central processing unit 11 is electrically connected to output ends of the threshold value entry module 12 and the voltage detection module 13 through wires, an output end of the central processing unit 11 is electrically connected to input ends of the graph display module 14 and the early warning unit 16 through wires, the central processing unit 11 and the comparison module 15 are connected in a bidirectional manner through wires, the early warning unit 16 includes an early warning editing module 161, an output end of the early warning editing module 161 is electrically connected to an input end of the alarm module 162 through wires, and the early warning editing module 161 is in transmission connection with the mobile phone terminal 163 through a WIFI module 164.
And those not described in detail in this specification are well within the skill of those in the art.
Disassembling and assembling: when the device is used, firstly, the connecting plate 22 is fixed on a wall surface through bolts, then the lug cavities 23 on the side surfaces of the two ends of the fixed cavity bar block 21 are clamped on the outer surface of the machine body 1, the positioning shaft 27 is aligned with the positioning hole 101 on the machine body 1, after alignment, a worker rotates the handle 2101 forward, the handle 2101 drives the main bevel gear 2102 to rotate, the main bevel gear 2102 and the auxiliary bevel gear 241 are in meshing connection, the main bevel gear 2102 drives the rotating shaft 24 to rotate, the threads 242 on the outer surfaces of the two ends of the rotating shaft 24 are arranged in opposite directions, and the upper surfaces of the two sliding blocks 25 are respectively provided with threaded holes matched with the two threads 242, so that the rotating shaft 24 drives the two sliding blocks 25 to move when rotating, the moving directions of the two rotating shafts 24 are opposite, when the machine body 1 is installed, the two sliding blocks 25 move towards the two sides, and the sliding blocks 25 can extrude the inclined plane, when trapezoidal wedge 210 receives the extrusion, regulation pole 211 on trapezoidal wedge 210 can extrude dog 28, under the elasticity of spring 29, regulation pole 211 can drive location axle 27 and shift out the inside of spout 26, make location axle 27 insert in the locating hole 101 on organism 1, and then accomplish the installation work of organism 1, when needing to dismantle organism 1, reversal handle 2101, make two sliders 25 move towards middle direction, trapezoidal wedge 210's other end inclined plane can not receive the extrusion like this, spring 29 will make location axle 27 leave in the locating hole 101 on organism 1, take away organism 1 at last, can accomplish dismantlement work.
Heat dissipation work: when the machine body 1 works, the power supply of the fan 222 in the installation groove 221 is switched on, and the fan 222 blows air to blow the air to the back of the machine body 1, so that the machine body 1 can be well cooled, and the service life of the machine body 1 is further prolonged.
Monitoring work: normal voltage range value of the power transmission line is input into the threshold input module 12, the voltage of the power transmission line is monitored by the voltage detection module 13, during monitoring, the data monitored by the graph display module 14 are displayed in a graph form, workers can conveniently know the working condition of the power transmission line, during monitoring, the monitored voltage is compared with the voltage input into the threshold input module 12 by the comparison module 15, if the voltage is too large or too small, the comparison module 15 transmits information to the central processing unit 11, the central processing unit 11 transmits the information to the early warning unit 16, the early warning editing module 161 in the early warning unit 16 enables the warning module 162 to give out warning sound firstly, and reminds the workers, and meanwhile, the information is transmitted to the mobile phone terminal 163 of the related workers through the WIFI module 164, and the workers can know the voltage in time.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Transmission line image video on-line real-time supervision equipment and system, including organism (1), its characterized in that: the outer surface of the machine body (1) is sleeved with an installation mechanism (2) in a sliding manner;
the installation mechanism (2) comprises two fixed cavity strip blocks (21), a connecting plate (22) is connected between the two fixed cavity strip blocks (21), lug cavities (23) are arranged on the side faces of the two ends of each fixed cavity strip block (21), a rotating shaft (24) is vertically and rotatably connected inside each fixed cavity strip block (21), sliding blocks (25) are sleeved on the outer surfaces of the two ends of the rotating shaft (24), sliding grooves (26) are formed in the two opposite sides of each lug cavity (23), a positioning shaft (27) is slidably installed in the sliding grooves (26), a stop block (28) is fixedly connected to the upper end of the positioning shaft (27), a spring (29) is sleeved on the outer surface of the upper end of the positioning shaft (27), and the upper end and the lower end of the spring (29) are respectively fixedly connected with the inner lower surface of each lug cavity (23) and the lower surface of the stop block (28), a trapezoidal wedge block (210) is installed on one side face of the inner portion of the lug cavity (23) in a penetrating and sliding mode, and an adjusting rod (211) is connected between one end of the trapezoidal wedge block (210) and the upper surface of the stop block (28) in a rotating mode.
2. The transmission line image video online real-time monitoring equipment and system according to claim 1, characterized in that: the middle position of the outer surface of the rotating shaft (24) is provided with a secondary bevel gear (241) in a sleeved mode, the middle position of the front surface of the fixed cavity bar block (21) is embedded with a handle (2101) in a rotating mode, one end of the handle (2101) is fixedly connected with a main bevel gear (2102), and the main bevel gear (2102) is meshed with the secondary bevel gear (241).
3. The transmission line image video online real-time monitoring device and system according to claim 2, characterized in that: the outer surface of the two ends of the rotating shaft (24) is provided with threads (242), the two threads (242) are arranged oppositely, threaded holes matched with the two threads (242) are formed in the upper surface of the sliding block (25) respectively, and one end of each sliding block (25) is located under the inclined plane of the other end of each trapezoidal wedge block (210).
4. The transmission line image video online real-time monitoring equipment and system according to claim 1, characterized in that: when spring (29) is in normal condition, location axle (27) flush with the surface in lug chamber (23), locating hole (101) with location axle (27) looks adaptation are all seted up to two corners on the upper and lower surface of organism (1).
5. The transmission line image video online real-time monitoring equipment and system according to claim 1, characterized in that: four mounting grooves (221) are formed in one side surface of the connecting plate (22) in a matrix mode, and fans (222) are fixedly mounted inside the four mounting grooves (221).
6. The transmission line image video online real-time monitoring equipment and system according to claim 5, characterized in that: the connecting plate (22) is fixedly connected with the wall surface through bolts.
7. The transmission line image video online real-time monitoring equipment and system according to claim 1, characterized in that: organism (1) is including central processing unit (11), central processing unit's (11) input pass through the wire respectively with threshold value input module (12) and voltage detection module's (13) output electric connection, and central processing unit's (11) output pass through the wire respectively with chart display module (14) and early warning unit's (16) input electric connection, realize two-way connection through the wire between central processing unit (11) and the comparison module (15).
8. The transmission line image video online real-time monitoring equipment and system according to claim 7, characterized in that: early warning unit (16) are including early warning editor module (161), the input electric connection of wire and alarm module (162) is passed through to the output of early warning editor module (161), and carries out transmission connection through WIFI module (164) between early warning editor module (161) and cell phone terminal (163).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010891902.4A CN112003377A (en) | 2020-08-31 | 2020-08-31 | Transmission line image video online real-time monitoring equipment and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010891902.4A CN112003377A (en) | 2020-08-31 | 2020-08-31 | Transmission line image video online real-time monitoring equipment and system |
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| Publication Number | Publication Date |
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| CN112003377A true CN112003377A (en) | 2020-11-27 |
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|---|---|---|---|
| CN202010891902.4A Pending CN112003377A (en) | 2020-08-31 | 2020-08-31 | Transmission line image video online real-time monitoring equipment and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112946217A (en) * | 2021-01-29 | 2021-06-11 | 湖北境晨环境科技有限公司 | Sewage quality on-line monitoring early warning device and system |
| CN113395343A (en) * | 2021-06-10 | 2021-09-14 | 成都万江港利科技股份有限公司 | Alarm management cloud platform based on Internet of things |
-
2020
- 2020-08-31 CN CN202010891902.4A patent/CN112003377A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112946217A (en) * | 2021-01-29 | 2021-06-11 | 湖北境晨环境科技有限公司 | Sewage quality on-line monitoring early warning device and system |
| CN113395343A (en) * | 2021-06-10 | 2021-09-14 | 成都万江港利科技股份有限公司 | Alarm management cloud platform based on Internet of things |
| CN113395343B (en) * | 2021-06-10 | 2023-06-13 | 成都万江港利科技股份有限公司 | Alarm management cloud platform based on Internet of things |
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