CN114449852A - Low-voltage load on-line monitoring device - Google Patents
Low-voltage load on-line monitoring device Download PDFInfo
- Publication number
- CN114449852A CN114449852A CN202210064069.5A CN202210064069A CN114449852A CN 114449852 A CN114449852 A CN 114449852A CN 202210064069 A CN202210064069 A CN 202210064069A CN 114449852 A CN114449852 A CN 114449852A
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- monitor
- heat
- shell
- assembly
- heat dissipation
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/24—Arrangements for avoiding or indicating fraudulent use
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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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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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
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
Abstract
The invention relates to the technical field of power electronics, in particular to a low-voltage load online monitoring device, which comprises: the mounting seat is connected with the shell through a buffer component; the monitor is arranged on the inner side of the shell, is connected with the shell through a support frame and realizes real-time monitoring on the power utilization load through a monitoring probe; the heat dissipation mechanism is arranged on the inner sides of the shell and the mounting seat and connected with the monitor; wherein, heat dissipation mechanism includes: the heat absorption assembly is arranged between the shell and the monitor; a blowing assembly; the cooling assembly utilizes the heat absorption assembly to be matched with the air blowing assembly and the cooling assembly through the arrangement of the heat dissipation mechanism, can complete multiple heat dissipation of the monitor under the condition that the monitor is not in direct contact with the air blowing assembly, not only guarantees the effectiveness of heat dissipation, but also can avoid damage to the monitor in the heat dissipation process, and effectively prolongs the service life of equipment.
Description
Technical Field
The invention relates to the technical field of power electronics, in particular to a low-voltage load online monitoring device.
Background
In an electric power system, a voltage to ground of 250V or less is called a low voltage. 380V/220V neutral grounding systems of 220V three-phase four-wire system in an alternating current system are all low-voltage. Currently, with the starting of large-scale urban and rural power grid transformation projects and the gradual implementation of a one-meter-to-one-meter policy, a large number of low-voltage power users exist, and the installation and the use of prepaid electric energy meters are basically realized in cities and residential districts of most counties and cities.
In order to facilitate understanding of the electricity consumption condition of residents, avoiding electricity stealing events, real-time monitoring on low-voltage load is needed, but the existing monitoring device can only simply utilize a fan to realize internal heat dissipation, so that the heat dissipation capacity is poor, the service life of equipment is short, and therefore the low-voltage load online monitoring device is urgently needed to be developed aiming at the current situation so as to overcome the defects in the current practical application.
Disclosure of Invention
The invention aims to provide a low-voltage load online monitoring device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a low-voltage load online monitoring device comprises:
the mounting seat is connected with the shell through a buffer component;
the monitor is arranged on the inner side of the shell, is connected with the shell through a support frame, and realizes real-time monitoring on the power consumption load through a monitoring probe;
the heat dissipation mechanism is arranged on the inner sides of the shell and the mounting seat, is connected with the monitor, is connected with the water pipe and is used for cooling the monitor;
wherein, heat dissipation mechanism includes:
the heat absorption assembly is arranged between the shell and the monitor and is used for absorbing heat inside the monitor;
the air blowing assembly is arranged on the inner side of the mounting seat, is connected with the heat absorption assembly and is used for being matched with the heat absorption assembly to realize quick heat discharge;
and the cooling component is arranged on the inner side of the heat absorption component, is connected with the water pipe and is used for absorbing heat inside the cooling component.
Compared with the prior art, the invention has the beneficial effects that:
when the device is in operation, the heat absorption component can absorb heat of the monitor in real time, the blowing component can dissipate heat of the heat absorption component, after the heat on the heat absorption component is taken away by the blowing component, the heat absorption component can absorb heat of the monitor more effectively, thereby realizing heat dissipation of the detector, and when the blowing component is in failure or cannot achieve effective heat dissipation, the cooling component can absorb the heat of the heat absorption component by enabling water in the water pipe to flow, thereby achieving rapid heat dissipation and further avoiding the failure of the monitor. Not only the effectiveness of heat dissipation is guaranteed, but also the damage to the monitor in the heat dissipation process can be avoided, and the service life of the equipment is effectively prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a low-voltage load online monitoring device.
Fig. 2 is a top view of a housing of the low-pressure load online monitoring device.
Fig. 3 is a schematic view of the internal structure of the mounting seat in the low-voltage load online monitoring device.
Fig. 4 is a schematic structural diagram of a heat absorbing plate in the low-voltage load online monitoring device.
In the figure: 1-shell, 2-monitor, 3-support, 4-monitor probe, 5-mounting seat, 6-connecting seat, 7-slide block, 8-spacing rod, 9-buffer spring, 10-filter box, 11-suction tube, 12-elastic piece, 13-air pump, 14-connecting tube, 15-transmission box, 16-transmission rod, 17-cam, 18-air guide tube, 19-air inlet plate, 20-air guide groove, 21-air guide tube, 22-heat dissipation box, 23-air outlet plate, 24-air exhaust tube, 25-heat absorption plate, 26-cooling tube, 27-heat dissipation plate, 28-infrared sensor, 29-air guide tube, 30-rubber pad, 31-flow guide plate, 32-liquid inlet groove, 33-liquid outlet groove, 34-fixed pipe, 35-movable pipe, 36-valve, 37-air inlet pipe, 38-filter frame, 39-transmission groove and 40-fan blade.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are illustrative only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Referring to fig. 1, in an embodiment of the present invention, an online low voltage load monitoring device includes: the mounting base 5 is connected with the shell 1 through a buffer component; the monitor 2 is arranged on the inner side of the shell 1, is connected with the shell 1 through a support frame 3, and realizes real-time monitoring on the electric load through a monitoring probe 4; the heat dissipation mechanism is arranged on the inner sides of the shell 1 and the mounting seat 5, connected with the monitor 2 and connected with a water pipe and used for cooling the monitor 2; wherein, heat dissipation mechanism includes: the heat absorption component is arranged between the shell 1 and the monitor 2 and is used for absorbing heat inside the monitor 2; the air blowing assembly is arranged on the inner side of the mounting seat 5, is connected with the heat absorbing assembly and is used for being matched with the heat absorbing assembly to realize quick heat discharge; and the cooling component is arranged on the inner side of the heat absorption component, is connected with the water pipe and is used for absorbing heat inside the cooling component.
In the embodiment, when the device is operated, the heat absorption component can absorb heat of the monitor 2 in real time, the blowing component can dissipate heat of the heat absorption component, after the heat on the heat absorption component is taken away by the blowing component, the heat absorption component can absorb heat of the monitor 2 more effectively, so that heat dissipation of the detector is realized, when the blowing component fails or cannot achieve effective heat dissipation, the cooling component can absorb the heat of the heat absorption component by enabling water in a water pipe to flow, so that quick heat dissipation is realized, and further the monitor failure is avoided, compared with the prior art, the monitoring device can only simply utilize a fan to realize internal heat dissipation, the heat dissipation capacity is poor, so that the service life of the device is short, the heat dissipation mechanism is arranged, the heat absorption component is matched with the blowing component and the cooling component, and multiple heat dissipation of the monitor 2 can be completed under the condition that the monitor is not in direct contact with the monitor 2, not only the effectiveness of heat dissipation is ensured, but also the damage to the monitor 2 in the heat dissipation process can be avoided, and the service life of the equipment is effectively prolonged;
in addition, both sides the equal fixed connection in support frame 3 outside is provided with infrared sensor 28, infrared sensor 28 sense terminal with monitor 2 sets up relatively, infrared sensor 28 still with cooling module electric connection is through setting up infrared sensor 28 for the device can realize accurate heat dissipation to monitor 2.
In one embodiment of the present invention, referring to fig. 1 and 4, the heat absorbing assembly includes: the heat dissipation boxes 22 are arranged on two sides of the monitor 2, fixedly connected with the shell 1 and connected with the air blowing assembly; the heat absorption plate 25 is arranged between the radiator 22 and the monitor 2, one end of the heat absorption plate 25 is fixedly connected with the heat dissipation box 22, and the other end of the heat absorption plate 25 is abutted against the monitor 2 and used for absorbing heat inside the monitor 2; and the heat radiating fins 27 are arranged on the inner side of the heat radiating box 22, are fixedly connected with the heat absorbing plate 25 and are used for being matched with the air blowing assembly to discharge heat.
In this embodiment, the plurality of heat dissipation fins 27 are disposed on the inner side of the heat dissipation box 22, and the heat dissipation fins 27 are fixedly connected to the heat absorption plate 25, wherein the heat absorption plate 25 is disposed on the upper and lower sides of the monitor 2, the heat absorption plate 25 can absorb heat from multiple directions to the monitor 2, the heat absorbed from the monitor 2 is transferred to the heat dissipation fins 27, the air blowing component enables air to flow inside the heat dissipation box 22, the flowing air can drive the heat on the heat dissipation fins 27, after the heat on the heat dissipation fins 27 is taken away, the heat dissipation can be achieved by the heat absorption plate 25 on the monitor 2, the heat absorption can be achieved by the heat absorption component disposed on the monitor 2, so that the monitor 2 can be cooled, and the heat dissipation capability of the device can be enhanced by disposing the plurality of heat dissipation fins 27.
In one embodiment of the present invention, referring to fig. 3, the blowing assembly includes: the filter box 10 is arranged on the inner side of the mounting seat 5 in a sliding connection mode, and the input end of the filter box 10 is connected with the mounting seat 5 through an air inlet pipeline; the air pump 13 is fixedly connected with the filter box 10, and the input end of the air pump 13 is connected with the filter box 10; the vibration assembly is arranged on the inner side of the mounting seat 5, one end of the vibration assembly is connected with the air pump 13, and the other end of the vibration assembly is connected with the air guide pipe 18; the air guide piece is arranged on two sides of the heat absorption assembly and connected with the heat absorption assembly, one side of the air guide piece is connected with the air guide tube 18 in a sliding mode, and the other side of the air guide piece is connected with the exhaust pipe 24 fixedly connected and arranged on the shell 1 and used for realizing the heat dissipation of the monitor 2 by the flowing of air on the inner side of the heat absorption assembly.
In this embodiment, the air inlet pipeline includes an air suction pipe 11 fixedly connected to the mounting base 5, an air inlet pipe 37 fixedly connected to the filter box 10 is slidably connected to the inner side of the air suction pipe 11, a filter frame 38 is detachably connected to the inner side of the filter box 11, the detachable connection is a snap connection, an air pump 13 is disposed on one side of the filter box 10 away from the air inlet pipe 37, an output end of the air pump 13 is connected to a vibration assembly disposed on the inner side of the mounting base 5, the vibration assembly is connected to an air guide member disposed on the inner side of the housing 1 through an air guide tube 18, wherein the air guide member includes an air inlet plate 19 and an air outlet plate 23, the air inlet plate 19 and the air outlet plate 23 are respectively disposed on two sides of the monitor 2 and fixedly connected to the housing 1, air guide grooves 20 are disposed on the inner sides of the air inlet plate 19 and the air outlet plate 23, and the air guide grooves 20 disposed on the inner side of the air inlet plate 19 are connected to the air guide tube 18, the air duct 18 with 19 sliding connection of air inlet plate, the heat dissipation case 22 with set up and be in link to each other through gas-supply pipe 21 between the air guide groove 20 of air inlet plate 19 inboard, the heat dissipation case 22 with set up link to each other through breather pipe 29 between the air guide groove 20 of air outlet plate 23 inboard, through setting up the subassembly of blowing, can realize the air at the inboard continuous flow of heat dissipation case 20, when the realization is to the heat dissipation of heat absorption subassembly, realized the cooling to monitor 2 to guarantee the stability of monitor 2 when the operation.
In one embodiment of the present invention, the vibration assembly includes: the transmission case 15 is fixedly connected to the inner side of the mounting seat 5, and a transmission groove 39 connected with the air guide pipe 18 is formed in the inner side of the transmission case 15; the connecting pipe 14 is used for connecting the transmission groove 39 and the air pump 13, and the connecting pipe 14 is connected with the output end of the air pump 13 in a sliding manner and is fixedly connected with the transmission case 15; the transmission rod 16 is rotatably connected with the transmission box 15, is fixedly connected with fan blades 40 arranged on the inner side of the transmission groove 39 and is used for rotating in cooperation with the flow of air flow; the cam 17 is fixedly connected with the transmission rod 16, and is abutted against the filter box 10; and the elastic piece 12 is arranged between the filter box 10 and the mounting seat 5, and is used for matching with the cam 16 to realize the vibration of the filter box 10.
In this embodiment, elastic component 12 is the spring, elastic component 12 fixed connection locates filter box 10 with between the mount pad 5, in addition, transmission groove 39 with connecting pipe 14 with the air duct 18 junction is diagonal angle setting, through setting up the vibration subassembly, when the air flows in transmission groove 39, can realize with the flabellum effect the rotation of transfer line 16, transfer line 16 drive cam 17 is rotatory, and filter box 10 vibrates under the cooperation of cam 17 and elastic component 12 to the realization is to being located the clearance of the inboard filter frame 38 of filter box 10 does benefit to the filtration efficiency who promotes filter box 10, has also guaranteed the stability of the subassembly operation of blowing.
In one embodiment of the present invention, referring to fig. 1 and 2, the cooling assembly includes: the cooling pipe 26 is fixedly connected to the inner side of the heat absorbing plate 25; and the flow guide assembly is arranged between the cooling pipe 26 and the water pipe and used for guiding water flow to flow inside the cooling pipe 26 to realize heat dissipation of the heat absorption plate 25.
In this embodiment, cooling tube 26 is snakelike return bend, through setting up cooling module, can carry out direct effectual heat dissipation to the heat absorption subassembly, and the cooperation the subassembly of blowing realizes multiple heat dissipation to monitor 2, and then has guaranteed the device to the radiating high efficiency of monitor 2, avoids monitor 2 overheated, has prolonged the life of equipment.
In one embodiment of the present invention, the flow guide assembly includes: the guide plate 31 is fixedly connected with the shell 1; the liquid inlet groove 32 and the liquid outlet groove 33 are symmetrically arranged on the inner side of the guide plate 31 and are respectively connected with the input end and the output end of the cooling pipe 26; and the connecting pipelines are arranged between the liquid inlet groove 32 and the liquid outlet groove 33 and the water pipes and are used for realizing the flow of water flow inside the cooling pipe 26.
In this embodiment, the connection pipe includes a fixed pipe 34 fixedly connected to the outside of the liquid inlet tank 32 and the liquid outlet tank 33, a movable pipe 35 connected to the water pipe is slidably connected to the inside of the fixed pipe 34, wherein a valve 36 is fixedly connected to the inside of the connection portion between the movable pipe 35 and the water pipe, the valve 36 is a one-way valve, the water flow in the water pipe enters the inside of the liquid inlet tank 32 through the connection pipe and enters the inside of the cooling pipe 26 through the liquid inlet tank 32, the water flow flows along the cooling pipe 26 and enters the inside of the liquid outlet tank 33, and re-enters the water pipe through the connection pipe, through the arrangement of the flow guide assembly, the water flow flowing in the water pipe is matched with the cooling pipe 26 to directly and rapidly dissipate heat from the heat absorbing plate 25, thereby dissipating heat from the monitor 2, and the flowing water flow is directly discharged back to the inside of the water pipe after absorbing heat, so that the device dissipates heat from the monitor 2, and the waste of resources is also avoided.
In one embodiment of the present invention, the buffer assembly includes: the connecting seats 6 are arranged on two sides of the shell 1, and are fixedly connected with the mounting seats 5; the sliding block 7 is arranged between the shell 1 and the connecting seat 6, is fixedly connected with the shell 1, and is in sliding connection with a limiting rod 8 arranged on the inner side of the connecting seat 6; and the buffer spring 9 is arranged between the sliding block 7 and the connecting seat 6, and the buffer spring 9 is arranged between the sliding block 7 and the connecting seat 6.
In this embodiment, buffer spring 9 locates the gag lever post 8 outside, and locates slider 7 both sides, the buffer spring 9 other end with 6 inner wall fixed connection of connecting seat, through setting up the buffering subassembly, can reduce the influence that the vibration caused the device, the stability of hoisting device when using to further improve equipment's life.
In one embodiment of the present invention, a rubber pad 30 is disposed between the mounting seat 5 and the housing 1, the rubber pad 30 is fixedly connected with the housing 1, and the shock absorption capability of the equipment can be further improved by disposing the rubber pad 30.
The low-voltage load on-line monitoring device can complete multiple heat dissipation of the monitor 2 under the condition of not directly contacting with the monitor 2 by arranging the heat dissipation mechanism and utilizing the cooperation of the heat absorption component, the air blowing component and the cooling component, thereby not only ensuring the effectiveness of heat dissipation, but also avoiding damaging the monitor 2 in the heat dissipation process, effectively prolonging the service life of equipment, absorbing heat of the monitor 2 by arranging the heat absorption component, thereby realizing the cooling of the monitor 2, enhancing the heat dissipation capability of the device by arranging a plurality of heat dissipation fins 27, realizing the continuous flow of air at the inner side of the heat dissipation box 20 by arranging the air blowing component, realizing the cooling of the monitor 2 while realizing the heat dissipation of the heat absorption component, thereby ensuring the stability of the monitor 2 in operation, and directly and effectively dissipating the heat of the heat absorption component by arranging the cooling component, and cooperate the subassembly of blowing has realized the multiple heat dissipation to monitor 2, and then has guaranteed the radiating high efficiency of device to monitor 2, avoid monitor 2 overheated, the life of equipment has been prolonged, through setting up the water conservancy diversion subassembly, utilize rivers that the water pipe flows to cooperate with cooling tube 26 can carry out direct and quick heat dissipation to heat-absorbing plate 25, and then accomplish the heat dissipation to monitor 2, and the rivers that flow can directly be arranged the return pipe inboard after the heat absorption, thereby make the device accomplish when the heat dissipation to monitor 2, also avoid the waste of resource, through setting up the buffering subassembly, can reduce the influence that the vibration caused the device, the stability of hoisting device when using, thereby further improve the life of equipment.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (7)
1. A low-voltage load online monitoring device is characterized by comprising:
the mounting seat is connected with the shell through a buffer component;
the monitor is arranged on the inner side of the shell, is connected with the shell through a support frame, and realizes real-time monitoring on the power consumption load through a monitoring probe;
the heat dissipation mechanism is arranged on the inner sides of the shell and the mounting seat, is connected with the monitor, is connected with the water pipe and is used for cooling the monitor;
wherein, heat dissipation mechanism includes:
the heat absorption assembly is arranged between the shell and the monitor and is used for absorbing heat inside the monitor;
the air blowing assembly is arranged on the inner side of the mounting seat, is connected with the heat absorption assembly and is used for being matched with the heat absorption assembly to realize quick heat discharge;
and the cooling component is arranged on the inner side of the heat absorption component, is connected with the water pipe and is used for absorbing heat inside the cooling component.
2. The low pressure load online monitoring device of claim 1, wherein the heat sink assembly comprises:
the heat dissipation boxes are arranged on two sides of the monitor, fixedly connected with the shell and connected with the air blowing assembly;
the heat absorption plate is arranged between the radiator and the monitor, one end of the heat absorption plate is fixedly connected with the heat dissipation box, and the other end of the heat absorption plate is abutted against the monitor and used for absorbing heat in the monitor;
the heat radiating fins are arranged on the inner side of the heat radiating box, fixedly connected with the heat absorbing plate and used for being matched with the air blowing assembly to achieve heat discharge.
3. The low pressure load online monitoring device of claim 2, wherein the blowing assembly comprises:
the filter box is arranged on the inner side of the mounting seat in a sliding connection mode, and the input end of the filter box is connected with the mounting seat through an air inlet pipeline;
the air pump is fixedly connected with the filter box, and the input end of the air pump is connected with the filter box;
the vibration assembly is arranged on the inner side of the mounting seat, one end of the vibration assembly is connected with the air pump, and the other end of the vibration assembly is connected with the air guide pipe;
the air guide piece is arranged on two sides of the heat absorption assembly and connected with the heat absorption assembly, one side of the air guide piece is connected with the air guide tube in a sliding mode, and the other side of the air guide piece is fixedly connected with the exhaust pipe arranged on the shell and used for realizing the heat dissipation of the monitor by the flowing of air on the inner side of the heat absorption assembly.
4. The low voltage load online monitoring device of claim 3, wherein the vibration assembly comprises:
the transmission case is fixedly connected to the inner side of the mounting seat, and a transmission groove connected with the air guide pipe is formed in the inner side of the transmission case;
the connecting pipe is used for connecting the transmission groove and the air pump, is connected with the output end of the air pump in a sliding manner and is fixedly connected with the transmission case;
the transmission rod is rotationally connected with the transmission box, fixedly connected with fan blades arranged on the inner side of the transmission groove and used for rotating in cooperation with the flowing of air flow;
the cam is fixedly connected with the transmission rod and is abutted against the filter box;
the elastic piece is arranged between the filter box and the mounting seat and is used for matching the cam to realize the vibration of the filter box.
5. The low pressure load on-line monitoring device of claim 4, wherein the cooling assembly comprises:
the cooling pipe is fixedly connected with the inner side of the heat absorbing plate;
and the flow guide assembly is arranged between the cooling pipe and the water pipe and used for guiding water flow to flow in the cooling pipe to realize heat dissipation of the heat absorption plate.
6. The low pressure load online monitoring device of claim 5, wherein the flow guide assembly comprises:
the guide plate is fixedly connected with the shell;
the liquid inlet groove and the liquid outlet groove are symmetrically arranged on the inner side of the guide plate and are respectively connected with the input end and the output end of the cooling pipe;
and the connecting pipeline is arranged between the liquid inlet groove and the liquid outlet groove and the water pipe and is used for realizing the flow of water flow on the inner side of the cooling pipe.
7. The low voltage load online monitoring device of claim 1, wherein the buffer assembly comprises:
the connecting seats are arranged on two sides of the shell and fixedly connected with the mounting seat;
the sliding block is arranged between the shell and the connecting seat, is fixedly connected with the shell and is in sliding connection with a limiting rod arranged on the inner side of the connecting seat;
and the buffer spring is arranged between the sliding block and the connecting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210064069.5A CN114449852A (en) | 2022-01-20 | 2022-01-20 | Low-voltage load on-line monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210064069.5A CN114449852A (en) | 2022-01-20 | 2022-01-20 | Low-voltage load on-line monitoring device |
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| CN114449852A true CN114449852A (en) | 2022-05-06 |
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| CN202210064069.5A Pending CN114449852A (en) | 2022-01-20 | 2022-01-20 | Low-voltage load on-line monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115036825A (en) * | 2022-07-29 | 2022-09-09 | 山东科创电力科技有限公司 | Electric power automation safety device |
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| CN113507170A (en) * | 2021-08-06 | 2021-10-15 | 国网宁夏电力有限公司 | Power distribution network monitoring equipment and patrol management method |
| CN113597226A (en) * | 2021-08-20 | 2021-11-02 | 吴海广 | Data center air conditioner cooling economizer |
| CN215263619U (en) * | 2021-05-13 | 2021-12-21 | 江西施伊源电气有限公司 | Electrical safety monitoring device |
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2022
- 2022-01-20 CN CN202210064069.5A patent/CN114449852A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209471067U (en) * | 2018-11-28 | 2019-10-08 | 上海欧波同仪器有限公司 | One kind five divides back scattering electronic detector |
| CN215263619U (en) * | 2021-05-13 | 2021-12-21 | 江西施伊源电气有限公司 | Electrical safety monitoring device |
| CN113507170A (en) * | 2021-08-06 | 2021-10-15 | 国网宁夏电力有限公司 | Power distribution network monitoring equipment and patrol management method |
| CN113597226A (en) * | 2021-08-20 | 2021-11-02 | 吴海广 | Data center air conditioner cooling economizer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115036825A (en) * | 2022-07-29 | 2022-09-09 | 山东科创电力科技有限公司 | Electric power automation safety device |
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Application publication date: 20220506 |