CN208623393U - A kind of acquisition device of Rural Power Distribution Network monitoring system - Google Patents

Abstract

The utility model discloses a kind of acquisition devices of Rural Power Distribution Network monitoring system, including device noumenon and saver sub, described device ontology right end middle position is fixedly installed with saver sub, described device ontology bottom end is fixedly installed with protective base, described device body interior left end is fixedly installed with electric conductor, contact making device is fixedly installed on the right side of inner wall on rear side of the electric conductor rear end approaching device ontology, voltage sensor is fixedly installed on the right side of the contact making device, the voltage sensor right end is electrically connected with lead, the lead other end is electrically connected with current transformer, certain protection can be carried out to acquisition device by the protective base of installation, and guarantee the precision of the acquisition measuring cell inside acquisition device, the service life of acquisition device can be improved simultaneously；By the contact making device of installation can when using installation easy to operate, fast and easy disassembling, assembling and replacing.

Description

A kind of acquisition device of Rural Power Distribution Network monitoring system

Technical field

The utility model belongs to distribution line monitoring correlative technology field, and in particular to a kind of Rural Power Distribution Network monitoring system Acquisition device.

Background technique

During the urban and rural power grids intellectualized reconstruction in China, in order to ensure the reliability of power supply, need to timely it isolate The user of existing line fault, to ensure the normal power supply of other users, it is therefore desirable to a kind of Rural Power Distribution Network monitoring system is established, In the monitoring system of power distribution network, need using distribution acquisition device for power.

The acquisition device technology of existing Rural Power Distribution Network monitoring system has the following problems:

1, most of its working environment of the acquisition device of existing Rural Power Distribution Network monitoring system is all work outdoors Bad environments, but the acquisition device of traditional Rural Power Distribution Network monitoring system is all directly to pass through bolt etc. in the side of device Acquisition device is fixedly connected by fixedly connected part, is protected without installing corresponding protective base to acquisition device it, It works long hours under severe working environment, the fixed effect of acquisition device is caused to reduce, influence the normal work of acquisition device Make, due to being mounted with acquisition measuring cell with high accuracy inside acquisition device, if not carrying out certain protection, meeting to acquisition device Leading to the precision of the acquisition measuring cell inside acquisition device reduces, and influences their service life, while can reduce acquisition The service life of device causes big inconvenience to routine use；

2, be fitted with voltage sensor inside the acquisition device of existing Rural Power Distribution Network monitoring system, sensor with It needs to be electrically connected between the conducting wire for needing to acquire, traditional connection type is directly to use conducting wire by voltage sensor It is fixed together with conducting wire, such connection type leads to cumbersome, large labor intensity when using installation, peace Dress is complicated, when being overhauled or replaced after use, does not utilize disassembling, assembling and replacing, causes big inconvenience to maintenance.

Utility model content

The purpose of this utility model is to provide a kind of acquisition devices of Rural Power Distribution Network monitoring system, to solve above-mentioned back What is proposed in scape technology carries out protection and voltage sensor to it and leads without installing corresponding protective base to acquisition device Electric line directly connects challenge.

To achieve the above object, the utility model provides the following technical solutions:

A kind of acquisition device of Rural Power Distribution Network monitoring system, including device noumenon and saver sub, described device ontology Right end middle position is fixedly installed with saver sub, passes through inside the saver sub right end and is set with away spool admittedly, described Device noumenon bottom end is fixedly installed with protective base, and left end is fixedly installed with wire interface, the dress on rear side of described device ontology It sets body interior left end and is fixedly installed with electric conductor, the electric conductor rear end is fixedly connected with wire interface, before the electric conductor End is fixedly installed with insulating base, and the insulating base front end is fixedly connected with device noumenon inner wall, and the electric conductor rear end is close to dress It sets and is fixedly installed with contact making device on rear side of ontology on the right side of inner wall, be fixedly installed with voltage sensor on the right side of the contact making device, The voltage sensor left end and contact making device right end lead are electrically connected, and the voltage sensor right end, which is electrically connected with, to be drawn Line, the lead other end are electrically connected with current transformer, and it is close that the current transformer is fixedly mounted on electric conductor front end The left and right sides of insulating base, the lead middle position are electrically connected with transfer wire, and the transfer wire is fixedly mounted on It walks inside spool, described device body interior has been filled with epoxy resin layer.

Preferably, the protective base include upper anti-guard housing, upper limit position groove, upper limit bar, lower limit bar, lower limit slot, Under anti-guard housing, protection spring, mounting base and mounting hole, the upper anti-guard housing interior lower end is installed by welding with upper limit position groove, described Middle position is installed by welding with upper limit bar on the inside of upper limit position groove, and upper limit bar lower end internal sleeve is equipped with lower limit bar, The lower limit bar lower end outside is fixedly installed with lower limit slot, and lower limit slot bottom end is installed by welding with lower anti-guard housing, institute Upper limit bar and lower limit bar outer sheath are stated equipped with protection spring, the protection spring upper end is fixedly mounted in upper limit position groove, The protection lower spring end is fixedly mounted in lower limit slot, is installed by welding with mounting base, the peace on the outside of the lower anti-guard housing The left and right sides is fixedly installed with mounting hole inside dress seat.

Preferably, the contact making device includes contact bodies, limiting groove, contact, retention bead, Limit screw, fixation Swivel nut and holddown spring are fixedly installed with limiting groove inside the contact bodies, and the limiting groove internal slide is equipped with Contact, the contact middle position outside are fixedly installed with retention bead, sliding peace in the left and right sides above the retention bead Equipped with Limit screw, it is rotatably equipped with fixed swivel nut on the outside of the Limit screw, the contact lower end outside elasticity is equipped with pressure Tight spring, the holddown spring upper end are fixedly mounted on retention bead lower surface, and the holddown spring lower end is fixedly mounted on limit Position bottom portion of groove, the contact making device are electrically connected by contact and electric conductor.

Preferably, described device outer body is evenly arranged with one layer of silastic-layer.

Preferably, it is frustum cone structure that the material of the insulating base, which is the structure of rubber material and insulating base,.

Preferably, there are two the current transformer is installed altogether and their size structures are identical, the current transformer peace Fill in the same horizontal line and be symmetrically mounted on the left and right sides of electric conductor front end.

Preferably, the internal diameter of the upper anti-guard housing is greater than the outer diameter of lower anti-guard housing, the upper limit bar and lower limit bar Structure is the outer diameter that cylindrical and upper limit bar internal diameter is greater than lower limit bar, and the upper anti-guard housing can be by protecting spring Relative to fine motion above and below lower anti-guard housing, the mounting hole be arranged altogether there are four and they be symmetrically mounted on the left and right of mounting base two-by-two Two sides.

Preferably, the contact bodies are identical with the cross sectional shape of limiting groove and cross sectional shape is U-shaped, the contact Ontology two sides are provided with sliding slot and Limit screw can move up and down in sliding slot, and the fixed swivel nut is rotated clockwise and can be limited Position screw rod and fixed swivel nut, which rotate counterclockwise, can lock Limit screw.

Compared with prior art, the utility model provides a kind of acquisition device of Rural Power Distribution Network monitoring system, has Below the utility model has the advantages that

1, the utility model is mounted with protective base comprising upper anti-guard housing, upper limit position groove, upper limit bar, lower limit bar, Lower limit slot, lower anti-guard housing, protection spring, mounting base and mounting hole, such benefit are anti-by what is installed in protective base Shield spring can make anti-guard housing relative to fine motion above and below lower anti-guard housing, thus the device sheet that protective base upper end is fixedly mounted Body carries out certain protection effect, even if acquisition device is made to work long hours under severe working environment, can also guarantee to adopt The fixed effect of acquisition means will not influence the normal work of acquisition device, due to being mounted with that protective base can be to acquisition device The acquisition measuring cell of inside installation carries out certain protection, guarantees the precision of the acquisition measuring cell inside acquisition device, and It can guarantee their service life, while the service life of acquisition device can be improved；

2, the utility model is mounted with contact making device comprising contact bodies, limiting groove, contact, retention bead, limit Screw rod, fixed swivel nut and holddown spring, such benefit are that the contact installed inside contact making device can be in the work of holddown spring It is contacted with lower with electrical conductors into close, has abandoned traditional direct use conducting wire and be fixedly connected on voltage sensor and conducting wire Connection type together, by the contact making device of installation can when using installing it is easy to operate, labor intensity is small, and installation is held Easily, when being overhauled or replaced after use, fast and easy disassembling, assembling and replacing brings very big convenience to maintenance.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention, in the accompanying drawings:

Fig. 1 be the utility model proposes a kind of Rural Power Distribution Network monitor system acquisition device structural schematic diagram；

Fig. 2 be the utility model proposes Rural Power Distribution Network monitor system acquisition device schematic diagram of internal structure；

Fig. 3 be the utility model proposes protective base structural schematic diagram；

Fig. 4 be the utility model proposes contact making device structural schematic diagram；

In figure: 1, device noumenon；2, saver sub；3, spool is walked；4, protective base；41, upper anti-guard housing；42, upper limit Slot；43, upper limit bar；44, lower limit bar；45, lower limit slot；46, lower anti-guard housing；47, spring is protected；48, mounting base；49, Mounting hole；5, wire interface；6, electric conductor；7, insulating base；8, contact making device；81, contact bodies；82, limiting groove；83, it touches Head；84, retention bead；85, Limit screw；86, fixed swivel nut；87, holddown spring；9, voltage sensor；10, lead；11, electric Current transformer；12, transfer wire；13, epoxy resin layer.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution:

A kind of acquisition device of Rural Power Distribution Network monitoring system, including device noumenon 1 and saver sub 2, device noumenon 1 are right End middle position is fixedly installed with saver sub 2, passes through inside 2 right end of saver sub and is set with away spool 3, device noumenon admittedly 1 bottom end is fixedly installed with protective base 4, and 1 rear side left end of device noumenon is fixedly installed with wire interface 5, and 1 inside of device noumenon is left End is fixedly installed with electric conductor 6, and 6 rear end of electric conductor is fixedly connected with wire interface 5, and 6 front end of electric conductor is fixedly installed with insulation Seat 7,7 front end of insulating base is fixedly connected with 1 inner wall of device noumenon, the right side of 6 rear end approaching device ontology of electric conductor, 1 rear side inner wall It is fixedly installed with contact making device 8, voltage sensor 9,9 left end of voltage sensor and contact are fixedly installed on the right side of contact making device 8 8 right end of device is electrically connected by lead 10, and 9 right end of voltage sensor is electrically connected with lead 10, and 10 other end of lead is electrical It is connected with current transformer 11, current transformer 11 is fixedly mounted on 6 front end of electric conductor close to the left and right sides of insulating base 7, draws 10 middle position of line is electrically connected with transfer wire 12, and transfer wire 12 is fixedly mounted on away inside spool 3, device noumenon 1 Inside has been filled with epoxy resin layer 13.

Further, protective base 4 includes upper anti-guard housing 41, upper limit position groove 42, upper limit bar 43, lower limit bar 44, lower limit Position slot 45, lower anti-guard housing 46, protection spring 47, mounting base 48 and mounting hole 49, upper anti-41 interior lower end of guard housing are installed by welding with Upper limit position groove 42,42 inside middle position of upper limit position groove are installed by welding with upper limit bar 43,43 lower end internal sleeve of upper limit bar Equipped with lower limit bar 44,44 lower end outside of lower limit bar is fixedly installed with lower limit slot 45, the welding installation of 45 bottom end of lower limit slot There are lower anti-guard housing 46, upper limit bar 43 and 44 outer sheath of lower limit bar equipped with protection spring 47, the fixed peace in protection 47 upper end of spring In upper limit position groove 42, protection 47 lower end of spring is fixedly mounted in lower limit slot 45, and installation is welded on the outside of lower anti-guard housing 46 There is mounting base 48, the 48 inside left and right sides of mounting base is fixedly installed with mounting hole 49；It can be to protection by installation protective base 4 The device noumenon 1 that 4 upper end of pedestal is fixedly mounted carries out certain protection effect, even if making acquisition device in severe working environment Under work long hours, can also guarantee the fixed effect of acquisition device, will not influence the normal work of acquisition device.

Further, contact making device 8 includes contact bodies 81, limiting groove 82, contact 83, retention bead 84, Limit screw 85, swivel nut 86 and holddown spring 87 are fixed, limiting groove 82 is fixedly installed with inside contact bodies 81, is slided inside limiting groove 82 It is dynamic that contact 83 is installed, retention bead 84, left and right two above retention bead 84 are fixedly installed on the outside of 83 middle position of contact Slideslip is equipped with Limit screw 85, and fixed swivel nut 86, contact 83 lower end outside elasticity are rotatably equipped on the outside of Limit screw 85 Holddown spring 87 is installed, 87 upper end of holddown spring is fixedly mounted on 84 lower surface of retention bead, and 87 lower end of holddown spring is fixed It is mounted on 82 bottom of limiting groove, contact making device 8 is electrically connected by contact 83 and electric conductor 6；It is got rid of by installing contact making device 8 Abandoned traditional direct connection type for voltage sensor 9 and conducting wire being fixed together using conducting wire, Neng Gou Easy to operate when using installation, labor intensity is small, and installation is easy, and when being overhauled or replaced after use, fast and easy is torn open Dress replacement.

Further, one layer of silastic-layer is evenly arranged on the outside of device noumenon 1；By the way that silicon is arranged on the outside of device noumenon 1 On the one hand rubber layer can play protection effect to device noumenon 1, on the other hand can play insulation effect to device noumenon 1, Prevent device noumenon 1 from leaking electricity.

Further, it is frustum cone structure that the material of insulating base 7, which is the structure of rubber material and insulating base 7,；By installing rubber The round table-like insulating base 7 of material effectively can play insulation effect between electric conductor 6 and device noumenon 1.

Further, there are two current transformer 11 is installed altogether and their size structures are identical, and current transformer 11 is mounted on In same horizontal line and it is symmetrically mounted on the left and right sides of 6 front end of electric conductor；It is symmetrical by the left and right sides in 6 front end of electric conductor The current status in circuit can effectively be acquired by installing two current transformers 11, then pass through lead 10 and transmission Conducting wire 12 sends data to processing unit.

Further, the internal diameter of upper anti-guard housing 41 is greater than the outer diameter of lower anti-guard housing 46, upper limit bar 43 and lower limit bar 44 Structure is the outer diameter that cylindrical and upper limit bar 43 internal diameter is greater than lower limit bar 44, and upper anti-guard housing 41 can be by protecting bullet Spring 47 is relative to lower anti-about 46 fine motion of guard housing, and there are four the total settings of mounting hole 49 and they are symmetrically mounted on mounting base 48 two-by-two The left and right sides；The outer diameter that internal diameter by installing anti-guard housing 41 is greater than lower anti-guard housing 46 can conveniently prevented upper anti-guard housing 41 It protects under the action of spring 47 relative to lower anti-about 46 fine motion of guard housing, to preferably play protection effect to device noumenon 1.

Further, contact bodies 81 are identical with the cross sectional shape of limiting groove 82 and cross sectional shape is U-shaped, contact bodies 81 two sides are provided with sliding slot and Limit screw 85 can move up and down in sliding slot, and fixed swivel nut 86 is rotated clockwise and can be limited Screw rod 85 and fixed swivel nut 86, which rotate counterclockwise, can lock Limit screw 85；It is the contact sheet of U-shaped by setting cross sectional shape Body 81 and limiting groove 82 can facilitate contact 83 to move up and down in limiting groove 82 under the action of holddown spring 87, from And it is electrically connected contact 83 preferably with electric conductor 6.

The working principle and process for using of the utility model: the working principle of the utility model is will by protective base 4 Installation is fixed in the utility model, is then electrically connected, is passed through with electric conductor 6 by the contact 83 in contact making device 8 The voltage sensor 9 and current transformer 11 of 6 two sides of electric conductor installation are acquired the voltage and current signals of power grid, then Collected signal is analyzed and judged by the control circuit that lead 10 and transfer wire 12 are transmitted to outside, and is passed through Whether controller control vacuum circuit breaker is breaking, to reach the monitoring effect to Rural Power Distribution Network；Using the utility model Before, necessary preoperation inspection should be carried out to it, after confirmation, pass through the fixation swivel nut in rotary contact device 8 first The position of 86 pairs of contacts 83 is adjusted, and after contact 83 and electric conductor 6 are in close contact, rotate counterclockwise fixed swivel nut 86 and realizes Then fixation to Limit screw 85 is consolidated the utility model by protective base 4 to realize the fixation to contact 83 The circuit of power grid is electrically connected by wire interface 5 with electric conductor 6 through conducting wire, is pacified by 6 two sides of electric conductor by Dingan County's dress The voltage sensor 9 and current transformer 11 of dress are acquired the voltage and current signals of power grid, then by collected letter Number being transmitted to external control circuit by lead 10 and transfer wire 12 is analyzed and is judged, and very by controller control Whether empty breaker is breaking, to reach the monitoring effect to Rural Power Distribution Network, simultaneously because being filled with inside device noumenon 1 Epoxy resin layer 13 can also play good insulation effect while can be fixed by each component inside device noumenon 1, Keep the work of each component interference-free, good protection effect can be played to acquisition device by the protective base 4 of installation, Enable acquisition device long-term stable work.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (8)

1. a kind of acquisition device of Rural Power Distribution Network monitoring system, including device noumenon (1) and saver sub (2), feature exists In: described device ontology (1) right end middle position is fixedly installed with saver sub (2), inside saver sub (2) right end By being set with away admittedly spool (3), described device ontology (1) bottom end is fixedly installed with protective base (4), described device ontology (1) rear side left end is fixedly installed with wire interface (5), and the internal left end of described device ontology (1) is fixedly installed with electric conductor (6), Electric conductor (6) rear end is fixedly connected with wire interface (5), and electric conductor (6) front end is fixedly installed with insulating base (7), Insulating base (7) front end is fixedly connected with device noumenon (1) inner wall, after electric conductor (6) the rear end approaching device ontology (1) It is fixedly installed on the right side of the inner wall of side contact making device (8), is fixedly installed with voltage sensor (9) on the right side of the contact making device (8), Voltage sensor (9) left end and contact making device (8) right end are electrically connected by lead (10), the voltage sensor (9) Right end is electrically connected with lead (10), and lead (10) other end is electrically connected with current transformer (11), and the electric current is mutual Sensor (11) is fixedly mounted on electric conductor (6) front end close to the left and right sides of insulating base (7), lead (10) middle position It is electrically connected with transfer wire (12), the transfer wire (12) is fixedly mounted on away spool (3) inside, described device ontology (1) internal to be filled with epoxy resin layer (13).

2. a kind of acquisition device of Rural Power Distribution Network monitoring system according to claim 1, it is characterised in that: the protection Pedestal (4) include upper anti-guard housing (41), upper limit position groove (42), upper limit bar (43), lower limit bar (44), lower limit slot (45), Under anti-guard housing (46), protection spring (47), mounting base (48) and mounting hole (49), upper anti-guard housing (41) interior lower end welds It is equipped with upper limit position groove (42), middle position is installed by welding with upper limit bar (43) on the inside of the upper limit position groove (42), described Upper limit bar (43) lower end internal sleeve is equipped with lower limit bar (44), and lower limit bar (44) lower end outside is fixedly installed with lower limit Position slot (45), lower limit slot (45) bottom end is installed by welding with lower anti-guard housing (46), the upper limit bar (43) and lower limit Bar (44) outer sheath is equipped with protection spring (47), and protection spring (47) upper end is fixedly mounted in upper limit position groove (42), institute It states protection spring (47) lower end to be fixedly mounted in lower limit slot (45), is installed by welding with installation on the outside of the lower anti-guard housing (46) Seat (48), the internal left and right sides of the mounting base (48) are fixedly installed with mounting hole (49).

3. a kind of acquisition device of Rural Power Distribution Network monitoring system according to claim 1, it is characterised in that: the contact Device (8) includes contact bodies (81), limiting groove (82), contact (83), retention bead (84), Limit screw (85), fixes Swivel nut (86) and holddown spring (87), the contact bodies (81) are internal to be fixedly installed with limiting groove (82), and the limit is recessed Slot (82) internal slide is equipped with contact (83), is fixedly installed with retention bead on the outside of contact (83) middle position (84), the left and right sides is slidably fitted with Limit screw (85) above the retention bead (84), on the outside of the Limit screw (85) It is rotatably equipped with fixed swivel nut (86), contact (83) the lower end outside elasticity is equipped with holddown spring (87), the compression bullet Spring (87) upper end is fixedly mounted on retention bead (84) lower surface, and holddown spring (87) lower end is fixedly mounted on limiting groove (82) bottom, the contact making device (8) are electrically connected by contact (83) and electric conductor (6).

4. a kind of acquisition device of Rural Power Distribution Network monitoring system according to claim 1, it is characterised in that: described device One layer of silastic-layer is evenly arranged on the outside of ontology (1).

5. a kind of acquisition device of Rural Power Distribution Network monitoring system according to claim 1, it is characterised in that: the insulation The material of seat (7) is that the structure of rubber material and insulating base (7) is frustum cone structure.

6. a kind of acquisition device of Rural Power Distribution Network monitoring system according to claim 1, it is characterised in that: the electric current There are two mutual inductor (11) is installed altogether and their size structures are identical, and current transformer (11) installation is in the same horizontal line And it is symmetrically mounted on the left and right sides of electric conductor (6) front end.

7. a kind of acquisition device of Rural Power Distribution Network monitoring system according to claim 2, it is characterised in that: described anti- The internal diameter of guard housing (41) is greater than the outer diameter of lower anti-guard housing (46), and the upper limit bar (43) and the structure of lower limit bar (44) are Cylindrical and upper limit bar (43) internal diameter is greater than the outer diameter of lower limit bar (44), and the upper anti-guard housing (41) can pass through protection Spring (47) is relative to lower anti-guard housing (46) fine motion up and down, and there are four the total settings of the mounting hole (49) and they symmetrically pacify two-by-two Mounted in the left and right sides of mounting base (48).

8. a kind of acquisition device of Rural Power Distribution Network monitoring system according to claim 3, it is characterised in that: the contact Ontology (81) is identical with the cross sectional shape of limiting groove (82) and cross sectional shape is U-shaped, and contact bodies (81) two sides are set It is equipped with sliding slot and Limit screw (85) can move up and down in sliding slot, the fixed swivel nut (86) rotates clockwise and can limit Screw rod (85) and fixed swivel nut (86), which rotate counterclockwise, can lock Limit screw (85).