CN215297556U - On-line monitoring system is put in cubical switchboard office - Google Patents
On-line monitoring system is put in cubical switchboard office Download PDFInfo
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- CN215297556U CN215297556U CN202121454891.XU CN202121454891U CN215297556U CN 215297556 U CN215297556 U CN 215297556U CN 202121454891 U CN202121454891 U CN 202121454891U CN 215297556 U CN215297556 U CN 215297556U
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Abstract
The utility model discloses an on-line monitoring system is put in cubical switchboard office, put collection system of data and the sensing mechanism of signal is put in the response office including on-line monitoring case, transmission office, collection system includes that first office puts the collector and the second office puts the collector, and monitoring mechanism includes that ultrasonic wave, earth electric wave two unification sensor, sensing mechanism includes that superfrequency, ultrasonic wave two unification sensor and superfrequency office put the sensor, the bottom of on-line monitoring case sets up cable receiving mechanism, the on-line monitoring case outside is provided with heat dissipation dustproof mechanism, the on-line monitoring case rear end is provided with the installation mechanism that the on-line monitoring case fixedly used, the utility model discloses a quick will not use the connecting wire rolling in the joint inslot to through the elastic cord circle spacing, use bracing piece and pin to support the bottom, carry out spacing to the front end to make things convenient for the taking in of connecting wire, the unused connecting wires can not be scattered on the ground, and the damage of the connecting wires is reduced.
Description
Technical Field
The utility model relates to a monitoring technology field is put in the office, specifically is an online monitoring system is put in cubical switchboard office.
Background
The partial discharge is a pulse discharge, a series of physical phenomena and chemical changes such as light, sound, electrical and mechanical vibration and the like can be generated in the internal and surrounding spaces of the electric power equipment, the various physical and chemical changes generated along with the partial discharge can provide detection signals for monitoring the internal insulation state of the electric power equipment, when insulation defects occur in the high-voltage electric equipment, the generation of the partial discharge signals can be accompanied, whether insulation hidden dangers exist in the high-voltage electric equipment can be judged through the detection and analysis of the partial discharge signals, and the potential accidents are prevented from further expanding;
however, the partial discharge monitoring system of the existing switch cabinet usually adopts multiple monitoring modes, when one wiring mode is used for monitoring, the rest connecting wires cannot be placed well for storage, the unused connecting wire joints are damaged, the circuits are more and easy to wind, and the circuits are staggered and disordered.
SUMMERY OF THE UTILITY MODEL
The utility model provides an online monitoring system is put in cubical switchboard office can effectively solve and propose in the above-mentioned background art using a mode of connection monitoring time measuring, and all the other connecting wires can not be fine place and accomodate, lead to the connecting wire joint damage that does not use, and the more easy winding of circuit makes the crisscross mixed and disorderly problem of circuit.
In order to achieve the above object, the utility model provides a following technical scheme: an on-line monitoring system for partial discharge of a switch cabinet comprises an on-line monitoring box, an acquisition mechanism for transmitting partial discharge data and a sensing mechanism for sensing partial discharge signals, wherein the acquisition mechanism comprises a first partial discharge collector and a second partial discharge collector;
the cable storage mechanism is arranged at the bottom of the online monitoring box, the heat dissipation dustproof mechanism is arranged outside the online monitoring box, and the installation mechanism for fixing the online monitoring box is arranged at the rear end of the online monitoring box.
According to the technical scheme, the cable accommodating mechanism comprises a placing groove, a first connecting wire, a second connecting wire, a third connecting wire, a supporting block, a clamping groove, an elastic rope ring, a limiting block, an upper sliding groove, a lower sliding groove, a supporting rod, a stop rod, a rubber rod, a clamping hole, a clamping block and a fixing bolt;
the bottom of the on-line monitoring box is provided with a placing groove, the top of the placing groove is embedded with a first connecting wire, the top of the placing groove is embedded with a second connecting wire corresponding to the position of the first connecting wire, the top of the placing groove is embedded with a third connecting wire corresponding to the position of the first connecting wire, the top of the inner side of the placing groove is connected with a supporting block in a gluing mode, the front end of the supporting block is provided with a clamping groove, the top of the supporting block is embedded with an elastic rope ring, the bottom of the supporting block is connected with a limiting block in a gluing mode, the bottom of the on-line monitoring box is provided with an upper sliding groove corresponding to the position of the edge of the top end of the placing groove, the bottom of the placing groove is provided with a lower sliding groove, a supporting rod is slidably mounted inside the lower sliding groove, a blocking rod is slidably mounted inside the upper sliding groove, the bottom of the blocking rod is connected with a rubber rod in a gluing mode, and the bottom of the rubber rod is provided with a clamping hole, a clamping block is fixedly mounted at the position, corresponding to the clamping hole, of one end of the supporting rod, and a fixing bolt is connected to the top of the stop lever through threads.
According to the technical scheme, the circuit board is installed at the top of the online monitoring box, three installation round holes are formed in the bottom of the online monitoring box corresponding to the top of the placement groove at equal intervals, and the first connecting wire, the second connecting wire and the third connecting wire penetrate through the installation round holes and are connected with the circuit board.
According to the technical scheme, the two first local amplification collectors are arranged, the signal output end of one first local amplification collector is connected with the signal input end of the online monitoring box through a first connecting wire, the signal output end of the other first local amplification collector is connected with the signal input end of the online monitoring box through a second connecting wire, and the signal input end of the second local amplification collector is connected with the signal input end of the online monitoring box through a third connecting wire.
According to the technical scheme, two groups of ultrasonic and earth-electric wave two-in-one sensors are arranged, one group of ultrahigh frequency and ultrasonic two-in-one sensors are arranged, and one group of ultrahigh frequency partial discharge sensors are arranged;
the signal output end of one group of ultrasonic and earth electric wave two-in-one sensors is connected with the signal input end of a first local discharge collector connected with a first connecting wire, and the signal output end of the other group of ultrasonic and earth electric wave two-in-one sensors is connected with the signal input end of a second local discharge collector;
the signal output end of the ultrahigh frequency and ultrasonic two-in-one sensor is connected with the data input end of the first local amplifier collector connected with the second connecting wire;
and the signal input end of the second partial discharge collector is connected with the signal output end of the ultrahigh frequency partial discharge sensor.
According to the technical scheme, the heat dissipation dustproof mechanism comprises heat dissipation holes, a heat dissipation dustproof screen frame, a fixing pipe, a fixing groove, a fixing block, a threaded rod, a limiting nut and a positioning bolt;
the utility model discloses a monitoring box, including on-line monitoring box, fixed pipe, fixed slot, fixed block, threaded rod outside threaded connection has a limit nut, the terminal surface corresponds fixed slot position department threaded connection has positioning bolt before the on-line monitoring box.
According to the technical scheme, the inner diameter of the fixing pipe is 1.2 times of the outer diameter of the threaded rod, the longest outer diameter of the limiting nut is 2 times of the outer diameter of the threaded rod, and the threaded rod is clamped in the fixing pipe.
According to the technical scheme, the middle of the fixing block and the front end of the fixing groove are both provided with the fixing screw hole, and the positioning bolt is in threaded connection with the inside of the fixing screw hole.
According to the technical scheme, the mounting mechanism comprises a mounting plate, a threaded hole, a mounting screw and a supporting cross rod;
four corner positions of the rear end of the online monitoring box are all fixed with mounting plates, threaded holes are formed in the tops of the mounting plates, mounting screws are connected in the threaded holes in a threaded mode, and supporting cross rods are fixed in the middle of the mounting plates.
According to the technical scheme, the mounting plate is of an L-shaped structure, the number of the supporting cross rods is two, and the end parts of the two supporting cross rods are mounted in the middle of the inner side of the mounting plate.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:
1. through setting up supporting shoe, joint groove, elastic cord circle, stopper, bracing piece, pin, rubber pole, joint hole, joint piece and fixing bolt, the quick connecting wire rolling that will not use is at the joint inslot portion to it is spacing through elastic cord circle, using bracing piece and pin to support the bottom, carry on spacingly to the front end, thereby make things convenient for accomodating of connecting wire, make the connecting wire that does not use can not scatter on ground, reduce the damage of connecting wire.
2. Through setting up first partial discharge collector, second partial discharge collector, ultrasonic wave, the two unification sensors of earth electric wave, superfrequency, the two unification sensors of ultrasonic wave, superfrequency partial discharge sensor, be connected with first connecting wire, second connecting wire and third connecting wire respectively, form three monitoring lines, make the selection of partial discharge monitoring more, can select suitable monitoring mode according to actual conditions.
3. Through setting up louvre, heat dissipation dustproof screen frame, fixed pipe, fixed slot, fixed block, threaded rod, stop nut and location spiral shell, remove heat dissipation dustproof screen frame and wall contact, can adjust heat dissipation dustproof screen frame position according to the distance of wall with on-line monitoring case rear end to it is spacing to twist through stop nut, makes the radiating effect better, prevents dust when the radiating.
4. Through setting up mounting panel, screw hole, mounting screw and support horizontal pole, punch the position with the screw hole of mounting panel and wall and align, then twist the mounting screw inside the screw hole, fix the on-line monitoring case at the wall, with the mounting panel joint on the hook is adorned to needs hanging, make the couple top with support the horizontal pole contact, then twist the mounting screw inside the screw hole again, make couple and mounting panel joint stable to make things convenient for the on-line monitoring case to hang the dress at the wall.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic diagram of the system structure of the present invention;
FIG. 2 is a schematic structural diagram of the on-line monitoring box of the present invention;
FIG. 3 is a schematic view of the installation groove of the present invention;
fig. 4 is a schematic structural view of the support rod of the present invention;
FIG. 5 is a schematic structural view of the elastic cord ring of the present invention;
fig. 6 is a schematic structural view of the fixing block of the present invention;
FIG. 7 is a schematic view of the structure of the heat dissipation holes of the present invention;
reference numbers in the figures: 1. an online monitoring box; 2. a first release collector; 3. a second partial discharge collector; 4. an ultrasonic and earth-electric wave two-in-one sensor; 5. an ultrahigh frequency and ultrasonic two-in-one sensor; 6. an ultrahigh frequency partial discharge sensor;
7. a cable take-up mechanism; 701. a placing groove; 702. a first connecting line; 703. a second connecting line; 704. a third connecting line; 705. a support block; 706. a clamping groove; 707. an elastic rope loop; 708. a limiting block; 709. an upper chute; 710. a lower chute; 711. a support bar; 712. a stop lever; 713. a rubber rod; 714. a clamping hole; 715. a clamping block; 716. fixing the bolt;
8. a heat dissipation dustproof mechanism; 801. heat dissipation holes; 802. a heat dissipation dustproof screen frame; 803. a fixed tube; 804. fixing grooves; 805. a fixed block; 806. a threaded rod; 807. a limit nut; 808. Positioning the bolt;
9. an installation mechanism; 901. mounting a plate; 902. a threaded hole; 903. mounting screws; 904. a support rail.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1-7, the utility model provides a technical scheme, an online monitoring system is put in cubical switchboard office, including online monitoring case 1, the collection mechanism that data was put in the conveying office and the sensing mechanism that the signal was put in the response office, collection mechanism includes that first office puts collector 2 and second office and puts collector 3, monitoring mechanism includes ultrasonic wave, two unification sensors 4 of ground electric wave, sensing mechanism includes superfrequency, two unification sensors 5 of ultrasonic wave and superfrequency office and puts sensor 6, ultrasonic wave, two unification sensors 4 of ground electric wave are provided with two sets ofly, superfrequency, two unification sensors 5 of ultrasonic wave are provided with a set ofly, superfrequency office puts sensor 6 and is provided with a set ofly, the signal input part that collector 3 was put in the second office is connected with superfrequency office and puts sensor 6 signal output, make things convenient for the data transmission of superfrequency office and put sensor 6, a set of ultrasonic wave, The signal output end of the ground-wave and ground-wave integrated sensor 4 is connected with the signal input end of the first local amplifier collector 2 connected with the first connecting line 702, the signal output end of the other group of ultrasonic-wave and ground-wave integrated sensor 4 is connected with the signal input end of the second local amplifier collector 3, so that the data transmission of the ultrasonic-wave and ground-wave integrated sensor 4 is facilitated, the signal output end of the ultrahigh-frequency and ultrasonic-wave integrated sensor 5 is connected with the data input end of the first local amplifier collector 2 connected with the second connecting line 703, and the data input of the first local amplifier collector 2 is facilitated;
the two first local amplification collectors 2 are arranged, the signal output end of one first local amplification collector 2 is connected with the signal input end of the online monitoring box 1 through a first connecting line 702, the signal output end of the other first local amplification collector 2 is connected with the signal input end of the online monitoring box 1 through a second connecting line 703, the signal input end of the second local amplification collector 3 is connected with the signal input end of the online monitoring box 1 through a third connecting line 704, and signal transmission is facilitated
The bottom of the online monitoring box 1 is provided with a cable accommodating mechanism 7, the outside of the online monitoring box 1 is provided with a heat dissipation dustproof mechanism 8, and the rear end of the online monitoring box 1 is provided with an installation mechanism 9 fixedly used by the online monitoring box 1.
The cable accommodating mechanism 7 comprises an accommodating groove 701, a first connecting line 702, a second connecting line 703, a third connecting line 704, a supporting block 705, a clamping groove 706, an elastic rope ring 707, a limiting block 708, an upper sliding groove 709, a lower sliding groove 710, a supporting rod 711, a stop lever 712, a rubber rod 713, a clamping hole 714, a clamping block 715 and a fixing bolt 716;
the bottom of the on-line monitoring box 1 is provided with a placing groove 701, the top of the placing groove 701 is embedded with a first connecting line 702, the top of the placing groove 701 is embedded with a second connecting line 703 corresponding to the position of the first connecting line 702, the top of the placing groove 701 is embedded with a third connecting line 704 symmetrical to the first connecting line 702, the top of the on-line monitoring box 1 is provided with a circuit board, the bottom of the on-line monitoring box 1 is provided with three mounting round holes at equal intervals corresponding to the top of the placing groove 701, the first connecting line 702, the second connecting line 703 and the third connecting line 704 are connected with the circuit board by penetrating through the mounting round holes, so that the first connecting line 702, the second connecting line 703 and the third connecting line 704 are conveniently connected with the on-line monitoring box 1, the top of the inner side of the placing groove 701 is connected with a supporting block, the front end of the supporting block 705 is provided with a clamping groove 706, the top of the supporting block 705 is embedded with an elastic rope loop supporting block 707, and the bottom of the 705 is glued with a limiting block 708, the bottom of the online monitoring box 1 is provided with an upper chute 709 corresponding to the top edge of the placement groove 701, the bottom of the inner side of the placement groove 701 is provided with a lower chute 710, the lower chute 710 is internally and slidably provided with a support rod 711, the upper chute 709 is internally and slidably provided with a stop lever 712, the bottom end of the stop lever 712 is connected with a rubber rod 713 in an adhesive manner, the bottom of the rubber rod 713 is provided with a clamping hole 714, one end of the support rod 711 is fixedly provided with a clamping block 715 corresponding to the clamping hole 714, and the top of the stop lever 712 is connected with a fixing bolt 716 in a threaded manner.
The heat dissipation dustproof mechanism 8 comprises a heat dissipation hole 801, a heat dissipation dustproof screen frame 802, a fixing pipe 803, a fixing groove 804, a fixing block 805, a threaded rod 806, a limit nut 807 and a positioning bolt 808;
the rear end face of the on-line monitoring box 1 is equidistantly provided with a plurality of heat dissipation holes 801, the outside of the on-line monitoring box 1 is sleeved with a heat dissipation dustproof screen frame 802, the middle parts of two sides of the heat dissipation dustproof screen frame 802 are welded with fixing pipes 803, the middle parts of two sides of the on-line monitoring box 1 are respectively provided with a fixing groove 804, the inside of the fixing groove 804 is clamped with a fixing block 805, the rear end face of the fixing block 805 is welded with a threaded rod 806 corresponding to the fixing pipe 803, the inner diameter of the fixing pipe 803 is 1.2 times of the outer diameter of the threaded rod 806, the longest outer diameter of a limiting nut 807 is 2 times of the outer diameter of the threaded rod 806, the threaded rod 806 is clamped inside the fixing pipe 803, the fixing pipe 803 is conveniently limited, the outer part of the threaded rod 806 is in threaded connection with the limiting nut 807, the position of the front end face of the on-line monitoring box 1 corresponding to the fixing groove 804 is in threaded connection with a positioning bolt 808, the middle part of the fixing block 805 and the front end of the fixing groove 804 are both provided with fixing screw holes, the positioning bolt 808 is in threaded connection with the inside of the fixing screw hole, so that the fixing of the fixing block 805 is facilitated.
The mounting mechanism 9 comprises a mounting plate 901, a threaded hole 902, a mounting screw 903 and a support cross bar 904;
four corner positions of the rear end of the on-line monitoring box 1 are all fixed with mounting plates 901, the top of the mounting plates 901 is provided with threaded holes 902, the inner threads of the threaded holes 902 are connected with mounting screws 903, the middle parts of the mounting plates 901 are fixed with supporting cross rods 904, the mounting plates 901 are of L-shaped structures, the supporting cross rods 904 are provided with two, the end parts of the two supporting cross rods 904 are all mounted in the middle parts of the inner sides of the mounting plates 901, and the mounting of the supporting cross rods 904 is convenient.
The utility model discloses a theory of operation and use flow: firstly, when a first connecting line 702 is used, a first local amplifier collector 2 is connected with an online monitoring box 1 by the first connecting line 702, the first local amplifier collector 2 is connected with a group of ultrasonic and geoelectric wave two-in-one sensors 4 to establish wireless connection, and the local amplifier signals of the switch cabinet are monitored by the ultrasonic and geoelectric wave two-in-one sensors 4;
when the second connecting line 703 is used, the first local amplifier collector 2 is connected with the online monitoring box 1 by the second connecting line 703, the other first local amplifier collector 2 is wirelessly connected with the ultrahigh frequency and ultrasonic two-in-one sensor 5, and the local amplifier signals of the switch cabinet are monitored by the ultrahigh frequency and ultrasonic two-in-one sensor 5;
when a third connecting wire 704 is used, the second partial discharge collector 3 is connected with the online monitoring box 1 through the third connecting wire 704, the ultrahigh frequency partial discharge sensor 6 is connected with the second partial discharge collector 3 through a wire, the other group of ultrasonic and geoelectric wave two-in-one sensor 4 is wirelessly connected with the second partial discharge collector 3, and partial discharge signals of the switch cabinet are monitored through the ultrasonic and geoelectric wave two-in-one sensor 4;
when the unused first connecting wire 702, second connecting wire 703 and third connecting wire 704 are stored, the connecting wires are rolled and then clamped in the clamping groove 706, the elastic rope ring 707 is clamped at the end of the supporting block 705, the supporting rod 711 slides along the lower sliding groove 710, the stop rod 712 slides along the upper sliding groove 709, the supporting rod 711 is arranged at the bottom of the connecting wires, the corresponding rubber rod 713 is clamped outside the clamping block 715, the fixing bolt 716 at the top of the stop rod 712 is screwed, the supporting rod 711 and the stop rod 712 are fixed, the connecting wires are limited and fixed, the connecting wires are not easily scattered on the ground, the damage is not easy, the service life of the connecting wires is prolonged, and the position of the online monitoring box 1 is tidier;
when the online monitoring box 1 is installed on a wall surface, aligning the threaded hole 902 of the installation plate 901 with a wall surface punching position, then clamping the installation screw 903 in the threaded hole 902, screwing the installation screw 903, and fixing the online monitoring box 1 on the wall surface by the installation screw 903;
when the online monitoring box 1 is hung on a wall surface, the mounting plate 901 is clamped on a hook to be hung, the top of the hook is contacted with the supporting cross rod 904, then the mounting screw 903 is screwed into the threaded hole 902, and the mounting screw 903 is propped against the wall surface, so that the hook is stably clamped with the mounting plate 901, and the installation of the online monitoring box 1 is facilitated;
after the installation is completed, the heat dissipation dustproof screen frame 802 is pulled backwards, the heat dissipation dustproof screen frame 802 is made to be in contact with the wall surface, then the limiting nut 807 is screwed along the threaded rod 806, the limiting nut 807 is made to be in contact with the end of the fixing pipe 803, the heat dissipation dustproof screen frame 802 is limited, the heat dissipated through the heat dissipation holes 801 is dissipated, heat dissipation is conducted through the heat dissipation dustproof screen frame 802, meanwhile, the heat dissipation dustproof screen frame 802 blocks external dust, the dust is prevented from entering the inside of the online monitoring box 1, the fixing bolt 716 is screwed off regularly, the fixing block 805 and the threaded rod 806 are rotated, the fixing block 805 is separated from the fixing groove 804, the threaded rod 806 is taken down, the limit on the heat dissipation dustproof screen frame 802 is removed, the heat dissipation dustproof screen frame 802 can be taken down from the outside of the online monitoring box 1 to be cleaned, the heat dissipation and the dustproof screen frame 802 can be cleaned conveniently.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an online monitoring system is put in cubical switchboard office which characterized in that: the system comprises an online monitoring box (1), a collecting mechanism for transmitting partial discharge data and a sensing mechanism for sensing partial discharge signals, wherein the collecting mechanism comprises a first partial discharge collector (2) and a second partial discharge collector (3), the monitoring mechanism comprises an ultrasonic and earth-electricity-wave two-in-one sensor (4), and the sensing mechanism comprises an ultrahigh frequency and ultrasonic two-in-one sensor (5) and an ultrahigh frequency partial discharge sensor (6);
the cable storage mechanism (7) is arranged at the bottom of the online monitoring box (1), the heat dissipation dustproof mechanism (8) is arranged outside the online monitoring box (1), and the installation mechanism (9) fixedly used by the online monitoring box (1) is arranged at the rear end of the online monitoring box (1).
2. The on-line monitoring system for partial discharge of the switch cabinet according to claim 1, wherein the cable accommodating mechanism (7) comprises a placement groove (701), a first connecting line (702), a second connecting line (703), a third connecting line (704), a supporting block (705), a clamping groove (706), an elastic rope loop (707), a limiting block (708), an upper sliding groove (709), a lower sliding groove (710), a supporting rod (711), a stop lever (712), a rubber rod (713), a clamping hole (714), a clamping block (715) and a fixing bolt (716);
the bottom of the on-line monitoring box (1) is provided with a placement groove (701), the top of the placement groove (701) is embedded with a first connecting wire (702), the top of the placement groove (701) is embedded with a second connecting wire (703) at a position corresponding to the first connecting wire (702), the top of the placement groove (701) is embedded with a third connecting wire (704) at a position symmetrical to the first connecting wire (702), the top of the inner side of the placement groove (701) is connected with a supporting block (705) in an adhesive manner, the front end of the supporting block (705) is provided with a clamping groove (706), the top of the supporting block (705) is embedded with an elastic rope ring (707), the bottom of the supporting block (705) is connected with a limiting block (708) in an adhesive manner, the bottom of the on-line monitoring box (1) is provided with an upper chute (709) at a position corresponding to the top edge of the placement groove (701), and the bottom of the inner side of the placement groove (701) is provided with a lower chute (710), lower spout (710) inside slidable mounting has bracing piece (711), the inside slidable mounting of going up spout (709) has pin (712), the bottom of pin (712) is glued and is had rubber pole (713), joint hole (714) have been seted up to the bottom of rubber pole (713), bracing piece (711) one end corresponds joint hole (714) position department fixed mounting has joint piece (715), pin (712) top threaded connection has fixing bolt (716).
3. The on-line monitoring system for the partial discharge of the switch cabinet according to claim 2, wherein a circuit board is installed on the top of the on-line monitoring box (1), three installation round holes are formed in the bottom of the on-line monitoring box (1) at equal intervals corresponding to the top of the installation groove (701), and the first connection line (702), the second connection line (703) and the third connection line (704) penetrate through the installation round holes to be connected with the circuit board.
4. The on-line monitoring system for the partial discharge of the switch cabinet according to claim 2, wherein the number of the first partial discharge collectors (2) is two, a signal output end of one first partial discharge collector (2) is connected with a signal input end of the on-line monitoring box (1) through a first connecting line (702), a signal output end of the other first partial discharge collector (2) is connected with a signal input end of the on-line monitoring box (1) through a second connecting line (703), and a signal input end of the second partial discharge collector (3) is connected with a signal input end of the on-line monitoring box (1) through a third connecting line (704).
5. The on-line monitoring system for the partial discharge of the switch cabinet according to claim 4, wherein two sets of the ultrasonic and ground-wave two-in-one sensors (4) are provided, one set of the ultrahigh frequency and ultrasonic two-in-one sensors (5) is provided, and one set of the ultrahigh frequency partial discharge sensors (6) is provided;
the signal output end of one group of ultrasonic and earth-electricity-wave two-in-one sensors (4) is connected with the signal input end of the first local discharge collector (2) connected with the first connecting wire (702), and the signal output end of the other group of ultrasonic and earth-electricity-wave two-in-one sensors (4) is connected with the signal input end of the second local discharge collector (3);
the signal output end of the ultrahigh frequency and ultrasonic two-in-one sensor (5) is connected with the data input end of the first local amplifier collector (2) connected with the second connecting line (703);
the signal input end of the second partial discharge collector (3) is connected with the signal output end of the ultrahigh frequency partial discharge sensor (6).
6. The on-line monitoring system for the partial discharge of the switch cabinet according to claim 1, wherein the heat dissipation dustproof mechanism (8) comprises a heat dissipation hole (801), a heat dissipation dustproof screen frame (802), a fixing tube (803), a fixing groove (804), a fixing block (805), a threaded rod (806), a limit nut (807) and a positioning bolt (808);
a plurality of louvres (801) have been seted up to the rear end face equidistance of on-line monitoring case (1), heat dissipation dustproof screen frame (802) have been cup jointed to the outside of on-line monitoring case (1), fixed pipe (803) have all been welded at the both sides middle part of heat dissipation dustproof screen frame (802), fixed slot (804) have all been seted up to on-line monitoring case (1) both sides end middle part position, the inside joint of fixed slot (804) has fixed block (805), fixed block (805) rear end face corresponds fixed pipe (803) position department welding has threaded rod (806), threaded rod (806) outside threaded connection has stop nut (807), on-line monitoring case (1) front end face corresponds fixed slot (804) position department threaded connection has positioning bolt (808).
7. The on-line monitoring system for partial discharge of switch cabinet according to claim 6, wherein the inner diameter of the fixed tube (803) is 1.2 times the outer diameter of the threaded rod (806), the longest outer diameter of the limiting nut (807) is 2 times the outer diameter of the threaded rod (806), and the threaded rod (806) is clamped inside the fixed tube (803).
8. The on-line monitoring system for the partial discharge of the switch cabinet according to claim 6, wherein fixing screw holes are formed in the middle of the fixing block (805) and the front end of the fixing groove (804), and the positioning bolt (808) is in threaded connection with the inside of the fixing screw holes.
9. The on-line monitoring system for partial discharge of switch cabinets according to claim 1, characterized in that said mounting mechanism (9) comprises a mounting plate (901), a threaded hole (902), a mounting screw (903) and a support rail (904);
the four corners of the rear end of the online monitoring box (1) are respectively fixed with a mounting plate (901), the top of the mounting plate (901) is provided with a threaded hole (902), the inside of the threaded hole (902) is in threaded connection with a mounting screw (903), and the middle of the mounting plate (901) is fixed with a supporting cross rod (904).
10. The on-line monitoring system for partial discharge of switch cabinet according to claim 9, wherein the mounting plate (901) is an L-shaped structure, two support bars (904) are provided, and the end portions of the two support bars (904) are mounted in the middle of the inner side of the mounting plate (901).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121454891.XU CN215297556U (en) | 2021-06-29 | 2021-06-29 | On-line monitoring system is put in cubical switchboard office |
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| CN202121454891.XU CN215297556U (en) | 2021-06-29 | 2021-06-29 | On-line monitoring system is put in cubical switchboard office |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113376490A (en) * | 2021-06-29 | 2021-09-10 | 保定上为电气科技有限公司 | On-line monitoring system is put in cubical switchboard office |
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2021
- 2021-06-29 CN CN202121454891.XU patent/CN215297556U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113376490A (en) * | 2021-06-29 | 2021-09-10 | 保定上为电气科技有限公司 | On-line monitoring system is put in cubical switchboard office |
| CN113376490B (en) * | 2021-06-29 | 2024-04-09 | 保定上为电气科技有限公司 | Switch cabinet partial discharge on-line monitoring system |
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