CN113507170A - Power distribution network monitoring equipment and patrol management method - Google Patents
Power distribution network monitoring equipment and patrol management method Download PDFInfo
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- CN113507170A CN113507170A CN202110903408.XA CN202110903408A CN113507170A CN 113507170 A CN113507170 A CN 113507170A CN 202110903408 A CN202110903408 A CN 202110903408A CN 113507170 A CN113507170 A CN 113507170A
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- 238000007726 management method Methods 0.000 title claims abstract description 27
- 238000012544 monitoring process Methods 0.000 title claims description 9
- 238000012806 monitoring device Methods 0.000 claims abstract description 143
- 238000001816 cooling Methods 0.000 claims abstract description 68
- 230000017525 heat dissipation Effects 0.000 claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000007689 inspection Methods 0.000 claims description 28
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 230000032683 aging Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- 239000000741 silica gel Substances 0.000 description 12
- 229910002027 silica gel Inorganic materials 0.000 description 12
- 239000000428 dust Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000005057 refrigeration Methods 0.000 description 6
- 230000006855 networking Effects 0.000 description 5
- 238000012546 transfer Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Classifications
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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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/209—Heat transfer by conduction from internal heat source to heat radiating structure
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20936—Liquid coolant with phase change
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention relates to the technical field of power supply systems, in particular to a power distribution network monitoring device and a patrol management method; including monitoring devices and radiator unit, radiator unit includes the water tank, the condenser, the liquid pump, the pipe, the cooling tube, the heat conduction platform, heating panel and radiator fan, the pipe connection water tank, the liquid pump, condenser and cooling tube, the heating panel is connected to the heat conduction platform, the heat of monitoring devices function, absorb the transmission through the heat conduction platform and give the heating panel heat dissipation, water in the liquid pump extraction water tank, leading-in cooling tube behind the condenser condensation, absorb the monitoring devices heat through microthermal water and lead to the return tank, to monitoring devices water-cooling heat dissipation, radiator fan rotates and bloies and makes monitoring devices forced air cooling heat dissipation cooling, multiple heat dissipation makes monitoring devices rapid cooling, slow down inside electrical components ageing, solve current distribution network equipment monitoring devices, the heat dissipation is not as fast to influence the life's of device problem.
Description
Technical Field
The invention relates to the technical field of power supply systems, in particular to a power distribution network monitoring device and a patrol management method.
Background
However, with the development of science and technology, the power distribution network gradually moves towards an intelligent road, and the main equipment of the power distribution network also has the requirements of resource saving, long service life, intellectualization and the like. In the existing power distribution network equipment, a monitoring device is required to be used for carrying out unified monitoring management on the equipment.
However, the existing power distribution network equipment monitoring device can generate a large amount of heat during operation, and electrical elements in the device can be accelerated to age due to untimely heat dissipation, so that the service life of the monitoring device is influenced, and frequent replacement and maintenance of electrical personnel are required.
Disclosure of Invention
The invention aims to provide a power distribution network monitoring device and a patrol management method, and aims to solve the problem that the service life of the device is influenced due to the fact that the heat dissipation of the conventional power distribution network monitoring device is not as long as possible.
In order to achieve the above object, the present invention provides a power distribution network monitoring device, which includes a monitoring device and a heat dissipation assembly, wherein the heat dissipation assembly includes a water tank, a condenser, a liquid pump, a conduit, a cooling pipe, a heat conduction platform, a heat dissipation plate and a heat dissipation fan, the water tank is fixedly connected to the monitoring device and is located at one side of the monitoring device, the liquid pump is fixedly connected to the water tank and is located at one side of the water tank, the conduit is fixedly connected to the liquid pump and is located in the monitoring device, the cooling pipe is fixedly connected to the conduit and is located at one side of the conduit far from the liquid pump, the condenser is fixedly connected to the conduit and is located at one side of the conduit near the cooling pipe, the heat conduction platform is fixedly connected to the monitoring device and is located in the monitoring device, and the heat dissipation plate is fixedly connected to the heat conduction platform, and with monitoring devices fixed connection just is located monitoring devices one side, radiator fan with monitoring devices fixed connection just is located cooling tube one side, monitoring devices monitors regional distribution network comprehensively, realizes the networking, the long-range and the automation of regional distribution network, the heat that monitoring devices operation produced, through the radiator unit absorbs the heat dissipation, makes monitoring devices cools off fast.
The cooling fan comprises a rotating motor and blades, the rotating motor is fixedly connected with the monitoring device and is located on one side of the cooling pipe, the blades are fixedly connected with the rotating motor and are located on one side of the cooling pipe, the rotating motor is electrified to enable the output end to rotate, so that the blades are driven to rotate at a high speed to blow the monitoring device, and the heat dissipation of the monitoring device is accelerated.
The heat dissipation assembly comprises a heat conduction silica gel sheet and heat dissipation fins, the heat conduction silica gel sheet is fixedly connected with the cooling tube and located on one side of the cooling tube, the heat dissipation fins are fixedly connected with the heat dissipation plate and located on one side of the heat dissipation plate, the heat conduction silica gel sheet reduces gaps between the monitoring device and the cooling tube, heat transfer efficiency is improved, and cooling effect of the cooling tube is enhanced.
Wherein, radiator unit includes refrigeration piece and temperature sensor, the refrigeration piece with blade fixed connection, and be located blade one side, temperature sensor with monitoring devices fixed connection, and be located in the monitoring devices, the operation of refrigeration piece circular telegram makes radiator fan blows's wind is cold wind, and it is right further to have strengthened monitoring devices's radiating effect, temperature sensor detects monitoring devices inside temperature, control water cooling with the operation of two kinds of radiating mode of forced air cooling.
Wherein, monitoring devices includes monitoring devices body and equipment terminal, the monitoring devices body with heat conduction silica gel piece fixed connection, and be located heat conduction silica gel piece is kept away from cooling tube one side, equipment terminal with monitoring devices body fixed connection, and be located the monitoring devices body is kept away from heat conduction silica gel piece one side, the monitoring devices body is to the comprehensive control of regional distribution network, realizes networking, the long-range and the automation of regional distribution network, equipment terminal gives the monitoring result for patrolling and examining management platform.
The monitoring device further comprises a shell, the shell is fixedly connected with the water tank and located on one side of the water tank, the shell is provided with heat dissipation holes, the heat dissipation holes are located on two sides of the shell, the shell protects internal elements of the monitoring device, the heat dissipation holes are arranged to realize convection of air inside and outside the monitoring device, and the side surface strengthens the heat dissipation effect of the monitoring device.
The monitoring device further comprises a door plate and a handle, the door plate is connected with the shell in a rotating mode and located on one side of the shell, the handle is fixedly connected with the door plate and located on one side of the door plate, the door plate is convenient for workers to open, the monitoring device is convenient to maintain and replace internal elements, and the handle is convenient for the workers to open the door plate.
Wherein, monitoring devices still includes dust screen and warning light, the dust screen with the shell is dismantled and is connected, and is located louvre one side, the warning light with shell fixed connection, and be located shell one side, the dust screen is right monitoring devices is dustproof, prevents that the dust from following the louvre gets into make inside electrical components ageing in the shell, the warning light is in monitoring devices twinkles when monitoring electric wire netting equipment has the operation hidden danger, and the staff can discover hidden affected part fast when overhauing.
In a second aspect, a method for patrol management of power distribution network equipment comprises the following steps,
the inspection management platform issues an inspection monitoring device task to the unmanned aerial vehicle;
the unmanned aerial vehicle inspection shooting monitoring device transmits the information to the inspection management platform;
the unmanned aerial vehicle can not shoot due to environmental factors, and the platform sends information to send a worker to patrol the monitoring device;
the patrol inspection management platform combines patrol inspection data of the unmanned aerial vehicle and the staff, and judges whether safe operation hidden dangers exist in the power grid equipment monitored by the monitoring device.
The invention relates to a power distribution network monitoring device, which can comprehensively monitor a regional power distribution network and realize networking, remote and automation of the regional power distribution network, wherein heat generated by the operation of the monitoring device is absorbed and dissipated by a heat dissipation assembly to be rapidly cooled, and particularly, the heat generated by the monitoring device is absorbed and transferred to a heat dissipation plate through a heat conduction platform and is in contact with outside air for heat dissipation through the heat dissipation plate, the heat conduction platform is made of copper and has good heat absorption and heat conduction performance, when the temperature in the monitoring device is overhigh, a liquid pump is electrified to operate to pump water, the water in a water tank is pumped out and guided into a condenser, the water is condensed by the condenser and then guided into a cooling pipe through a guide pipe, and the heat of the monitoring device is absorbed by low-temperature water flow in the cooling pipe through a heat transfer effect, the monitoring device comprises a pipe, a cooling fan, a cooling component, a heat dissipation component, a monitoring device and a monitoring device, wherein the pipe is arranged in the monitoring device, the cooling fan is arranged in the pipe, the cooling component is arranged in the pipe, the cooling fan is powered on to rotate at the same time, the monitoring device is blown to dissipate heat, and the monitoring device is cooled by air cooling.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a power distribution network monitoring device provided by the invention;
fig. 2 is a top view of a power distribution network monitoring device provided by the present invention;
FIG. 3 is a cross-sectional view taken along plane A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along plane B-B of FIG. 2;
fig. 5 is a flowchart of a power distribution network equipment patrol management method.
In the figure: 1-monitoring device, 2-heat dissipation assembly, 11-monitoring device body, 12-equipment terminal, 13-shell, 14-heat dissipation hole, 15-door plate, 16-handle, 17-dust screen, 18-warning lamp, 21-water tank, 22-condenser, 23-liquid pump, 24-conduit, 25-cooling tube, 26-heat conduction table, 27-heat dissipation plate, 28-heat dissipation fan, 29-heat conduction silica gel sheet, 210-heat dissipation fin, 211-refrigeration sheet, 212-temperature sensor, 281-rotating motor and 282-blade.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 5, the present invention provides a power distribution network equipment device, including a monitoring device 1 and a heat dissipation assembly 2, where the heat dissipation assembly 2 includes a water tank 21, a condenser 22, a liquid pump 23, a conduit 24, a cooling pipe 25, a heat conduction platform 26, a heat dissipation plate 27 and a heat dissipation fan 28, the water tank 21 is fixedly connected to the monitoring device 1 and is located at one side of the monitoring device 1, the liquid pump 23 is fixedly connected to the water tank 21 and is located at one side of the water tank 21, the conduit 24 is fixedly connected to the liquid pump 23 and is located in the monitoring device 1, the cooling pipe 25 is fixedly connected to the conduit 24 and is located at one side of the conduit 24 far from the liquid pump 23, the condenser 22 is fixedly connected to the conduit 24 and is located at one side of the conduit 24 near the cooling pipe 25, the heat conduction platform 26 is fixedly connected to the monitoring device 1, and is located in the monitoring device 1, the heat dissipation plate 27 is fixedly connected with the heat conduction platform 26, is fixedly connected with the monitoring device 1, and is located at one side of the monitoring device 1, and the heat dissipation fan 28 is fixedly connected with the monitoring device 1, and is located at one side of the cooling pipe 25.
In this embodiment, the monitoring device 1 monitors the regional power distribution network comprehensively, so as to realize networking, remote control and automation of the regional power distribution network, the heat generated by the operation of the monitoring device 1 is absorbed and dissipated by the heat dissipating assembly 2, so that the monitoring device 1 is cooled rapidly, specifically, the heat generated by the monitoring device 1 is absorbed and transferred to the heat dissipating plate 27 by the heat conducting table 26, and is dissipated by the contact of the heat dissipating plate 27 and the outside air, the heat conducting table 26 is made of copper and has good heat absorption and heat conduction performance, when the temperature in the monitoring device 1 is too high, the liquid pump 23 is powered on to pump water, the water in the water tank 21 is pumped out and guided into the condenser 22, the water is condensed by the condenser 22 and then guided into the cooling pipe 25 by the conduit 24, and the low-temperature water flow in the cooling pipe 25 absorbs the heat of the monitoring device 1 by the heat transfer effect, the water with heat is guided back to the water tank 21 through the guide pipe 24, so that the monitoring device 1 is cooled by water, the cooling fan 28 is electrified and rotated at the same time, the monitoring device 1 is blown to dissipate heat, and the monitoring device 1 is cooled by air.
Further, the heat dissipation assembly 2 includes heat conduction silica gel sheet 29, cooling fin 210, refrigeration piece 211 and temperature sensor 212, heat conduction silica gel sheet 29 with cooling tube 25 fixed connection, and be located cooling tube 25 one side, cooling fin 210 with heating panel 27 fixed connection, and be located heating panel 27 one side, refrigeration piece 211 with blade 282 fixed connection, and be located blade 282 one side, temperature sensor 212 with monitoring devices 1 fixed connection, and be located in monitoring devices 1, cooling fan 28 is including rotating motor 281 and blade 282, rotate motor 281 with monitoring devices 1 fixed connection, and be located cooling tube 25 one side, blade 282 with rotate motor 281 fixed connection, and be located it is close to rotate motor 281 cooling tube 25 one side.
In this embodiment, the heat-conducting silicone sheet 29 reduces the gap between the monitoring device 1 and the cooling tube 25, improves the efficiency of heat transfer, enhances the cooling effect of the cooling tube 25, the cooling sheet 211 is powered on to operate, so that the air blown by the cooling fan 28 is cold air, further enhances the heat dissipation effect on the monitoring device 1, the temperature sensor 212 detects the internal temperature of the monitoring device 1, controls the operation of the two heat dissipation modes of water cooling and air cooling, the model of the cooling sheet 211 is CL-C067, the model of the temperature sensor 212 is PT100, and the rotating motor 281 is powered on to rotate the output end, thereby driving the blade 282 to rotate at high speed to blow air to the monitoring device 1, and accelerating the heat dissipation of the monitoring device 1.
Further, the monitoring device 1 comprises a monitoring device body 11, an equipment terminal 12, a housing 13, a door panel 15, a handle 16, a dust screen 17 and an alarm lamp 18, wherein the monitoring device body 11 is fixedly connected with the heat-conducting silica gel sheet 29 and is positioned on one side of the heat-conducting silica gel sheet 29 away from the cooling pipe 25, the equipment terminal 12 is fixedly connected with the monitoring device body 11 and is positioned on one side of the monitoring device body 11 away from the heat-conducting silica gel sheet 29, the housing 13 is fixedly connected with the water tank 21 and is positioned on one side of the water tank 21, the housing 13 is provided with heat dissipation holes 14, the heat dissipation holes 14 are positioned on two sides of the housing 13, the door panel 15 is rotatably connected with the housing 13 and is positioned on one side of the housing 13, the handle 16 is fixedly connected with the door panel 15 and is positioned on one side of the door panel 15, and the dust screen 17 is detachably connected with the housing 13, and is located at one side of the heat dissipation hole 14, and the warning light 18 is fixedly connected with the housing 13 and is located at one side of the housing 13.
In this embodiment, the monitoring device body 11 is used to monitor the regional power distribution network comprehensively, so as to realize networking, remote and automation of the regional power distribution network, the device terminal 12 is used to transmit the monitoring result to the patrol management platform, the housing 13 protects the internal components of the monitoring device 1, the heat dissipation holes 14 are arranged to realize air convection inside and outside the monitoring device 1, the side surfaces strengthen the heat dissipation effect of the monitoring device 1, the door panel 15 is convenient for workers to open the monitoring device 1 for maintenance and replacement of the internal components, the handle 16 is convenient for workers to open the door panel 15, the dust screen 17 is used to prevent dust from entering the housing 13 from the heat dissipation holes 14 to age the internal electrical components, the alarm lamp 18 flickers when the monitoring device 1 monitors that the power grid equipment has hidden trouble in operation, the staff can discover the hidden part quickly when examining and repairing.
In a second aspect, a method for patrol management of power distribution network equipment comprises the following steps,
s101, the inspection management platform issues an inspection monitoring device 1 task to the unmanned aerial vehicle;
the inspection management platform issues an inspection to the unmanned aerial vehicle, the monitoring device 1 is used for performing task, the unmanned aerial vehicle goes to a specified area to perform inspection shooting, the unmanned aerial vehicle transmits data on an inspection route in real time, and the power distribution network inspection management platform calculates the height and the angle of an inspection object through data to obtain image information of the inspection object.
S102, the unmanned aerial vehicle inspection shooting monitoring device transmits the information to an inspection management platform;
unmanned aerial vehicle arrives to shoot and patrols and examines and shoot the region, shoots monitoring devices 1 whether warning light 18 glimmers, and patrols monitoring devices 1 and whether the electric wire netting damages on every side, will patrol and examine and shoot the result and transmit for management platform.
S103, the unmanned aerial vehicle cannot shoot due to environmental factors, and the platform issues information to send a worker to the patrol monitoring device;
unmanned aerial vehicle will arrive appointed shooting region, can't patrol and examine the shooting because of environment unmanned aerial vehicle during monitoring devices 1, unmanned aerial vehicle sends the environment condition to patrolling and examining the management platform, patrols and examines the management platform and judge whether the environment influences unmanned aerial vehicle flight, and automatic analysis and planning influence area send to mobile terminal, and the staff holds mobile terminal and reachs the region of patrolling and examining, looks at the artifical this region of patrolling and examining mobile terminal of carrying of influence area, patrols and examines the observation monitoring devices 1's monitoring condition.
And S104, the inspection management platform combines inspection data of the unmanned aerial vehicle and the staff, and judges whether the power grid equipment monitored by the monitoring device has potential safety operation hazards.
The inspection management platform combines the unmanned aerial vehicle and the manual inspection to monitor the data of the monitoring device 1, and analyzes and judges whether the power grid equipment has potential safety operation hazards.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
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| CN202110903408.XA CN113507170A (en) | 2021-08-06 | 2021-08-06 | Power distribution network monitoring equipment and patrol management method |
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| CN113870543A (en) * | 2021-10-22 | 2021-12-31 | 中鹏机电有限公司 | Generating set alarm device |
| CN113923912A (en) * | 2021-10-18 | 2022-01-11 | 江苏珺瑶环境能源有限公司 | Environment early warning and emergency command system |
| CN113939158A (en) * | 2021-10-19 | 2022-01-14 | 上海别样秀数据科技有限公司 | A blockchain-based warehouse management system and method |
| CN114095631A (en) * | 2021-10-28 | 2022-02-25 | 上海良康信息科技有限公司 | Residential area monitoring system for building |
| CN114449852A (en) * | 2022-01-20 | 2022-05-06 | 国网山东省电力公司菏泽供电公司 | A low-voltage load online monitoring device |
| CN115265065A (en) * | 2022-08-01 | 2022-11-01 | 眉山市东坡区海霸王食品有限公司 | Double-helix cooling system capable of purifying air |
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| CN113923912A (en) * | 2021-10-18 | 2022-01-11 | 江苏珺瑶环境能源有限公司 | Environment early warning and emergency command system |
| CN113939158A (en) * | 2021-10-19 | 2022-01-14 | 上海别样秀数据科技有限公司 | A blockchain-based warehouse management system and method |
| CN113870543A (en) * | 2021-10-22 | 2021-12-31 | 中鹏机电有限公司 | Generating set alarm device |
| CN114095631A (en) * | 2021-10-28 | 2022-02-25 | 上海良康信息科技有限公司 | Residential area monitoring system for building |
| CN114449852A (en) * | 2022-01-20 | 2022-05-06 | 国网山东省电力公司菏泽供电公司 | A low-voltage load online monitoring device |
| CN115265065A (en) * | 2022-08-01 | 2022-11-01 | 眉山市东坡区海霸王食品有限公司 | Double-helix cooling system capable of purifying air |
| CN115265065B (en) * | 2022-08-01 | 2024-03-19 | 眉山市东坡区海霸王食品有限公司 | Double-spiral cooling system capable of purifying air |
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