CN112153857A - Full voltage fault on-line monitoring equipment for power distribution network - Google Patents
Full voltage fault on-line monitoring equipment for power distribution network Download PDFInfo
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- CN112153857A CN112153857A CN202010526611.5A CN202010526611A CN112153857A CN 112153857 A CN112153857 A CN 112153857A CN 202010526611 A CN202010526611 A CN 202010526611A CN 112153857 A CN112153857 A CN 112153857A
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- monitoring equipment
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- voltage detector
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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
- H05K7/20172—Fan mounting or fan specifications
-
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
-
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
-
- 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
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
-
- 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
- H05K7/20181—Filters; Louvers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Abstract
The invention discloses full voltage fault on-line monitoring equipment for a power distribution network. The air flow dust-free type voltage detector comprises a voltage detector, wherein the hollow sleeve is installed at the external top end of the voltage detector in an embedded mode, the air inlet pipeline is installed at the top end of the hollow sleeve in an embedded mode, the air storage chassis is installed at the bottom end of the hollow sleeve in an embedded mode, the heat dissipation fan is installed inside the air inlet pipeline in an embedded mode, the filter screen is installed on one side of the heat dissipation fan in a clamped mode, the side branch pipe is installed between the edge of the outer wall of the air storage chassis and the inside of the voltage detector in an embedded mode, air flow in the external environment can be sent into the inside of the voltage detector in a dust-free mode through the heat dissipation fan and the filter screen inside the air inlet pipeline, and the air flow can be sent into the heat accumulation position inside the voltage detector respectively under.
Description
Technical Field
The invention relates to the technical field of power equipment monitoring equipment, in particular to full-voltage fault on-line monitoring equipment for a power distribution network.
Background
The grounding mode is adopted by most of domestic 66kV and below power grids, a full-voltage monitoring and wave recording device is an intelligent comprehensive controller developed by our company aiming at various faults in the power system, the device can be installed on all levels of buses of a 3-35 kV substation, various fault states of the power grid can be rapidly and accurately identified by sampling and analyzing secondary signals of a voltage transformer and a current transformer, and corresponding control, alarm and locking instructions are sent out. The fault detection device is used for identifying and controlling faults of voltage out-of-limit, PT disconnection, single-phase grounding, ferromagnetic resonance, lightning stroke or operation overvoltage, system harmonic and the like which are common in a power grid and easily cause tripping accidents, recording and analyzing fault waveforms, and monitoring phase voltage and line voltage of normal operation of the system in real time.
However, the existing on-line monitoring equipment for the full-voltage fault of the power distribution network has the problems that the heat accumulation part in the voltage detector cannot be directionally radiated, the radiating efficiency of the side branch pipe with higher temperature cannot be accelerated, and the radiating efficiency in the device is poor.
Disclosure of Invention
The invention aims to provide full-voltage fault online monitoring equipment for a power distribution network, and aims to solve the problems that the existing full-voltage fault online monitoring equipment for the power distribution network in the background art cannot directionally dissipate heat of an internal heat accumulation part of a voltage detector and cannot accelerate the heat dissipation efficiency of a side branch pipe with higher temperature, so that the heat dissipation efficiency of the inside of the device is poor.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a full voltage trouble on-line monitoring equipment of distribution network, includes voltage detector, radiator unit is installed in the embedding of the outside top of voltage detector, radiator unit includes admission line, cavity sleeve pipe, collateral branch pipe, radiator fan, filter screen and gas storage chassis, voltage detector installs the embedding of the outside top of cavity sleeve pipe, install the embedding of cavity sleeve pipe top the admission line, install the embedding of cavity sleeve pipe bottom the gas storage chassis, the inside embedding of admission line is installed radiator fan, radiator fan one side joint is installed the filter screen, gas storage chassis outer wall edge with even embedding is installed between the voltage detector is inside the collateral branch pipe, radiator fan's power input end and the output electric connection of commercial power.
Further, coupling assembling is installed in the embedding of voltage detector outer wall one side, coupling assembling includes fixed sleeve, cable joint, bayonet lock, take-up reel and draw-in groove, the even embedding in voltage detector outer wall one side is installed fixed sleeve, fixed sleeve is inside to cup joint to be installed the cable joint, fixed sleeve outer wall one side top embedding is installed the bayonet lock, voltage detector is inside to be corresponded the embedding of fixed sleeve position department is installed the take-up reel, the inside correspondence of take-up reel the cable connects the even winding in bottom to install the cable.
Furthermore, the clamping groove is formed in one side of the outer wall of the cable connector, the inner diameter of the clamping groove is equal to the outer diameter of the bottom end of the clamping pin, and a compression spring is sleeved at the joint of the bottom end of the clamping pin and the cable connector.
Furthermore, a partition component is embedded in the joint of the side branch pipe and the air storage chassis and comprises an air inlet disc, a valve plate, a magnetic suction plate, a rubber air bag ball and a magnetic suction block, the air inlet disc is embedded in the joint of the side branch pipe and the air storage chassis, the valve plate is embedded in the bottom end of the interior of the air inlet disc, and the rubber air bag ball is embedded in the top end of the interior of the air inlet disc.
Furthermore, the magnetic suction block is installed at the bottom end of the rubber air bag ball, the magnetic suction plate is installed at the top end of the valve plate, and the magnetic suction block bottom end and the magnetic suction plate top end are opposite in magnetism.
Further, the height of the valve plate is smaller than the diameter of the side branch pipe, and ammonia gas is stored in the rubber air bag ball.
Further, the voltage detector outer wall both sides all install through the fixation nut embedding and overhaul the side cap, just the exhaust duct has evenly been seted up to overhaul side cap outer wall bottom.
Furthermore, a supporting base is installed at the bottom end of the voltage detector, and a rubber gasket is attached to the bottom end of the supporting base.
Further, the air inlet duct is arcuate in shape.
Furthermore, the bottom end of the cable is fixedly connected with the inside of the take-up reel through a coil spring.
Compared with the prior art, the invention has the beneficial effects that:
the heat dissipation assembly is arranged, airflow in the external environment can be sent into the voltage detector in a dustless manner through the heat dissipation fan and the filter screen in the air inlet pipeline, and the airflow can be respectively sent to the heat accumulation part in the voltage detector under the action of the hollow sleeve, the air storage chassis and the side branch pipe, so that the directional heat dissipation of the heat accumulation part in the voltage detector is realized.
Through being provided with coupling assembling, can take out the cable that connects with external equipment through stirring the bayonet lock and be connected fixedly to through pressing down the cable and connecting, with the interlock between bayonet lock bottom and the draw-in groove under compression spring's effect, can connect the withdrawal with the cable, thereby solved the cable and connected and exposed the problem that receives the damage of knocking outside, improved the convenience of being connected between cable joint and the cable simultaneously, guaranteed the flexible smoothness nature of cable joint bottom cable by the take-up reel.
Through being provided with the subregion subassembly, when the inside ammonia of rubber air bag ball is heated the inflation, promote magnetism and inhale the piece and remove downwards, it is fixed with being connected between the magnetism piece through rubber air bag ball, can upwards rise the valve plate is whole, can increase the air input that corresponds position department collateral branch pipe to the radiating efficiency of the higher collateral branch pipe department of temperature has been accelerated, device simple structure uses reliably.
Drawings
FIG. 1 is a schematic structural diagram according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the heat dissipation assembly in the embodiment of FIG. 1;
FIG. 3 is a schematic structural view of the connecting assembly of the embodiment of FIG. 1;
FIG. 4 is a schematic diagram of the cable splice installation of the embodiment of FIG. 1;
FIG. 5 is a schematic view of a take-up reel installed in the embodiment of FIG. 1;
fig. 6 is a schematic structural diagram of a partition assembly in the embodiment of fig. 1.
Reference numerals: 1. a voltage detector; 2. a heat dissipating component; 201. an air intake duct; 202. a hollow sleeve; 203. a side branch; 204. a heat radiation fan; 205. filtering with a screen; 206. a gas storage chassis; 3. a connecting assembly; 301. fixing the sleeve; 302. a cable joint; 303. a bayonet lock; 304. a take-up reel; 305. a card slot; 4. overhauling the side cover; 5. an exhaust groove; 6. a support base; 7. a partition component; 701. an air inlet disc; 702. a valve plate; 703. a magnetic attraction plate; 704. a rubber balloon ball; 705. a magnetic block; 8. a cable; 9. fixing a nut; 10. compressing the spring.
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. 1-6 together, an online monitoring device for full voltage faults of a power distribution network includes a voltage detector 1, a heat dissipation assembly 2 is embedded in the top end of the outside of the voltage detector 1, the heat dissipation assembly 2 includes an air inlet pipe 201, a hollow sleeve 202, a side branch pipe 203, a heat dissipation fan 204, a filter screen 205 and an air storage chassis 206, the hollow sleeve 202 is embedded in the top end of the outside of the voltage detector 1, the air inlet pipe 201 is embedded in the top end of the hollow sleeve 202, the air storage chassis 206 is embedded in the bottom end of the hollow sleeve 202, the heat dissipation fan 204 is embedded in the air inlet pipe 201, the filter screen 205 is clamped on one side of the heat dissipation fan 204, the side branch pipe 203 is uniformly embedded between the edge of the outer wall of the air storage chassis 206 and the inside of the.
Draw-in groove 305 has been seted up to cable joint 302 outer wall one side, and the internal diameter of draw-in groove 305 equals the external diameter of bayonet 303 bottom, and bayonet 303 bottom cup joints with cable joint 302 junction and installs compression spring 10, pegs graft bayonet 303 inside draw-in groove 305 through compression spring 10, can connect fixedly with cable joint 302 after the withdrawal inside fixed sleeve 301, has solved cable joint 302 and has exposed outside, receives the problem of colliding with the loss easily.
The partition assembly 7 is embedded and installed at the joint of the side branch pipe 203 and the air storage chassis 206, the partition assembly 7 comprises an air inlet disc 701, a valve plate 702, a magnetic suction plate 703, a rubber air bag ball 704 and a magnetic suction block 705, the air inlet disc 701 is embedded and installed at the joint of the side branch pipe 203 and the air storage chassis 206, the valve plate 702 is embedded and installed at the bottom end of the interior of the air inlet disc 701, and the rubber air bag ball 704 is embedded and installed at the top end of the interior of the air inlet disc 701.
In order to ensure the firmness of the whole voltage detector 1 during placement and installation, the bottom end of the voltage detector 1 is provided with a supporting base 6, and the bottom end of the supporting base 6 is pasted with a rubber gasket.
In order to reduce the dust in the external environment from falling into the voltage detector 1 from the top end of the air inlet duct 201, the air inlet duct 201 is arcuate.
In order to make the cable 8 run more stably at the cable connector 302, reduce the wear on the surface of the cable 8, and realize the free expansion of the cable 8, the bottom end of the cable 8 is fixedly connected with the inside of the take-up reel 304 through a coil spring.
In summary, in the on-line monitoring device for full-voltage faults of a power distribution network provided by the invention, during operation, firstly, airflow in an external environment can be sent into the voltage detector 1 in a dustless manner through the heat dissipation fan 204 and the filter screen 205 in the air inlet pipeline 201, and the airflow can be respectively sent to the heat accumulation positions in the voltage detector 1 under the action of the hollow sleeve 202, the air storage chassis 206 and the side branch pipe 203, so that directional heat dissipation of the heat accumulation positions in the voltage detector 1 is achieved;
then, when ammonia gas in the rubber air bag ball 704 is heated and expanded, the magnetic attraction block 705 is pushed to move downwards, the valve plate 702 can be integrally lifted upwards through the connection and fixation between the rubber air bag ball 704 and the magnetic attraction block 705, and the air inflow of the side branch 203 at the corresponding position can be increased, so that the heat dissipation efficiency of the side branch 203 with higher temperature is accelerated, the device is simple in structure and reliable to use;
finally, can take out cable joint 302 with external equipment's cable through stirring bayonet lock 303 and be connected fixedly, and through pressing cable joint 302, interlock between bayonet lock 303 bottom and draw-in groove 305 under compression spring 10's effect, can with cable joint 302 withdrawal, thereby solved cable joint 302 and exposed the problem that receives to knock with the damage outside, improved the convenience of being connected between cable joint 302 and the cable simultaneously, guaranteed the flexible smoothness nature of cable joint 302 bottom cable 8 by take-up reel 304.
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 (10)
1. The utility model provides a full voltage trouble on-line monitoring equipment of distribution network, includes voltage detection appearance (1), its characterized in that, radiator unit (2) are installed in the embedding of voltage detection appearance (1) outside top, radiator unit (2) include admission line (201), cavity sleeve pipe (202), collateral branch pipe (203), radiator fan (204), filter screen (205) and gas storage chassis (206), voltage detection appearance (1) outside top is embedded to be installed cavity sleeve pipe (202), cavity sleeve pipe (202) top is embedded to be installed admission line (201), cavity sleeve pipe (202) bottom is embedded to be installed gas storage chassis (206), admission line (201) inside embedding is installed radiator fan (204), radiator fan (204) one side joint is installed filter screen (205), gas storage chassis (206) outer wall edge with evenly embedded between voltage detection appearance (1) inside install side And the power supply input end of the heat radiation fan (204) is electrically connected with the output end of the commercial power.
2. Full voltage fault on-line monitoring equipment for power distribution networks according to claim 1, a connecting component (3) is embedded and mounted on one side of the outer wall of the voltage detector (1), the connecting component (3) comprises a fixed sleeve (301), a cable joint (302), a clamping pin (303), a take-up reel (304) and a clamping slot (305), the fixed sleeve (301) is uniformly embedded and installed on one side of the outer wall of the voltage detector (1), the cable joint (302) is sleeved and installed inside the fixed sleeve (301), the clamping pin (303) is embedded and installed at the top end of one side of the outer wall of the fixed sleeve (301), the position of the inside of the voltage detector (1) corresponding to the fixed sleeve (301) is embedded with the take-up reel (304), and cables (8) are uniformly wound and installed in the take-up reel (304) corresponding to the bottom end of the cable connector (302).
3. The full-voltage fault online monitoring equipment for the power distribution network according to claim 2, wherein the clamping groove (305) is formed in one side of the outer wall of the cable connector (302), the inner diameter of the clamping groove (305) is equal to the outer diameter of the bottom end of the clamping pin (303), and a compression spring (10) is sleeved at the joint of the bottom end of the clamping pin (303) and the cable connector (302).
4. The distribution network full-voltage fault online monitoring device according to claim 1, wherein a partition component (7) is embedded at a joint of the side branch pipe (203) and the air storage chassis (206), the partition component (7) comprises an air inlet disc (701), a valve plate (702), a magnetic attraction plate (703), a rubber air bag ball (704) and a magnetic attraction block (705), the air inlet disc (701) is embedded at a joint of the side branch pipe (203) and the air storage chassis (206), the valve plate (702) is embedded at a bottom end inside the air inlet disc (701), and the rubber air bag ball (704) is embedded at a top end inside the air inlet disc (701).
5. The full-voltage fault online monitoring equipment for the power distribution network according to claim 4, wherein the magnetic attraction block (705) is installed at the bottom end of the rubber air bag ball (704), the magnetic attraction plate (703) is installed at the top end of the valve plate (702), and the magnetism of the bottom end of the magnetic attraction block (705) is opposite to that of the top end of the magnetic attraction plate (703).
6. Full voltage fault on-line monitoring equipment for power distribution networks according to claim 4, wherein the height of the valve plate (702) is smaller than the diameter of the side branch pipe (203), and ammonia gas is stored in the rubber air bag ball (704).
7. The full-voltage fault online monitoring equipment for the power distribution network according to claim 1, wherein the voltage detector (1) is embedded with the maintenance side cover (4) through a fixing nut (9) on both sides of the outer wall, and exhaust grooves (5) are uniformly formed in the bottom end of the outer wall of the maintenance side cover (4).
8. The full-voltage fault online monitoring equipment for the power distribution network according to claim 1, wherein a supporting base (6) is installed at the bottom end of the voltage detector (1), and a rubber gasket is attached to the bottom end of the supporting base (6).
9. Full voltage fault on-line monitoring equipment for power distribution networks according to claim 1, characterized in that the shape of the air inlet duct (201) is arched.
10. The full-voltage fault online monitoring equipment for the power distribution network according to claim 2, wherein the bottom end of the cable (8) is fixedly connected with the inside of the take-up reel (304) through a coil spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010526611.5A CN112153857B (en) | 2020-06-11 | 2020-06-11 | Full-voltage fault on-line monitoring equipment for power distribution network |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010526611.5A CN112153857B (en) | 2020-06-11 | 2020-06-11 | Full-voltage fault on-line monitoring equipment for power distribution network |
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| CN112153857A true CN112153857A (en) | 2020-12-29 |
| CN112153857B CN112153857B (en) | 2023-07-14 |
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| CN202010526611.5A Active CN112153857B (en) | 2020-06-11 | 2020-06-11 | Full-voltage fault on-line monitoring equipment for power distribution network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113281558A (en) * | 2021-04-20 | 2021-08-20 | 国网新疆电力有限公司昌吉供电公司 | Distribution network overvoltage detection alarm device |
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| Publication number | Publication date |
|---|---|
| CN112153857B (en) | 2023-07-14 |
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