CN217508192U

CN217508192U - Smart power grids relay protection device interface

Info

Publication number: CN217508192U
Application number: CN202221375258.6U
Authority: CN
Inventors: 常惜阳; 蒙博; 穆小强
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-03
Filing date: 2022-06-03
Publication date: 2022-09-27
Anticipated expiration: 2032-06-03

Abstract

The utility model discloses an interface of a relay protection device of a smart power grid, which belongs to the technical field of relay protection equipment and comprises a first connection box and a second connection box, wherein the left end of the first connection box is provided with a pair of jacks, the inner wall of the first connection box is fixedly connected with a pair of fixed rings, the fixed rings correspond to the jacks, and the upper end and the lower end of the first connection box are respectively and fixedly connected with a pair of clamping frames, so that in the process of debugging the relay protection device in a power system, a lead in the relay protection device and a lead of a tester are respectively led out from the first connection box and the second connection box and then are mutually clamped and fixed through the first connection box and the second connection box, the connection of the two leads can be reinforced, the two leads are prevented from falling off in the debugging process, and the hands of workers are liberated, the use of staff is convenient for, has improved the security of debugging work simultaneously.

Description

Smart power grids relay protection device interface

Technical Field

The utility model relates to a relay protection equipment technical field, more specifically say, relate to a smart power grids relay protection device interface.

Background

In order to support and promote the adjustment of energy strategy in China, after many years of exploration, national power enterprises begin to develop and popularize the construction of a smart grid in the industry, an intelligent substation is an organic carrier of the smart grid, whether the intelligent substation can operate safely and stably depends on the fate of the construction of the smart grid, the intelligent substation brings technical revolution to traditional secondary equipment and secondary circuits in the construction, even in the aspect of basic implementation principle, and particularly brings various changes such as technical innovation, equipment updating and test methods to a relay protection device.

When debugging power system relaying protection device, often need connect the relay protection tester on protection device's auxiliary contact, need connect the line of relay protection tester to protection device's signal terminal row this moment, traditional relay protection tester's conversion interface has two kinds: the opening wire clamp conversion interface and the needle wire clamp conversion interface are difficult to apply to a signal terminal row, at the moment, a worker needs to hold a wire of a tester in a hand to connect the interfaces and the terminal row of the protection device together, the method is neither safe nor reliable, and therefore the intelligent power grid relay protection device interface is provided.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Problem to exist among the prior art, an object of the utility model is to provide a smart power grids relay protection device interface, it can realize carrying out the in-process of debugging to electric power system relay protection device, lead out from first connecting box and second connecting box respectively through the wire with the wire in the relay protection device and the wire of tester, then it is fixed through the mutual joint of first connecting box and second connecting box, can consolidate the connection of two wires, prevent that two wires from producing and coming off in the debugging process, the both hands of staff have been liberated, the staff's of being convenient for use, the security of debugging work has been improved simultaneously.

2. Technical scheme

In order to solve the problem, the utility model adopts the following technical proposal.

An interface of a relay protection device of a smart power grid comprises a first connection box and a second connection box, wherein a pair of jacks are formed in the left end of the first connection box, a pair of fixing rings are fixedly connected to the inner wall of the first connection box and correspond to the jacks, a pair of clamping frames is fixedly connected to the upper end and the lower end of the first connection box respectively, limiting teeth are fixedly connected to the inner top ends of the clamping frames at the upper side, a pair of insertion rods are fixedly connected to the upper end and the lower end of the second connection box respectively, the left end of each insertion rod extends to the inner cavity of the clamping frame, a limiting groove is formed in the upper end of each insertion rod, the limiting groove is matched with the limiting teeth, a support seat is fixedly connected to the inner bottom end of the second connection box, an arc-shaped groove is formed in the upper end of the support seat, a pair of screw rods is connected to the upper end of the first connection box in a threaded manner, and a knob is fixedly connected to the upper end of each screw rod, the lower extreme fixedly connected with clamp plate of screw rod, the clamp plate is located the upside of arc wall, a pair of pay off section of thick bamboo of right-hand member fixedly connected with of second connecting box, the left end of pay off section of thick bamboo extends to the inner chamber of second connecting box, this scheme can realize carrying out the in-process of debugging to electric power system relay protection device, draw forth from first connecting box and second connecting box respectively through the wire with wire and the tester in the relay protection device, then it is fixed to connect each other joint through first connecting box and second connecting box, can consolidate the connection of two wires, prevent that two wires produce to drop in the debugging process, liberated staff's both hands, the staff's of being convenient for use has improved the security of debugging work simultaneously.

Furthermore, the upper end of spacing tooth is dug flutedly, the recess is located the left side of spacing groove, the outer end of knob is dug and is had anti-skidding groove, through setting up the recess, when needing to remove the mutual injecture between joint frame and the inserted bar, can press down in groove department, the operation of being convenient for, through setting up anti-skidding groove, the friction between multiplicable finger and the knob is convenient for rotate the knob to the messenger fastens more when fixing the wire.

Further, the retainer plate adopts rubber materials to make, the retainer plate is the toper form, retainer plate right-hand member bore is less than the left end bore, through setting up the retainer plate that adopts rubber materials to make, and its right-hand member bore is less than the left end bore, after the wire that will draw from relay protection device penetrates the retainer plate, can play certain fixed action to the wire, avoids it to remove by a wide margin.

Further, the upper end fixedly connected with sleeve of second connecting box, the outer end threaded connection of telescopic inner chamber and screw rod through setting up the sleeve, can play reinforced (rfd) effect to threaded connection's between screw rod and the first connecting box part, avoids the clamp plate to receive the extrusion to take place to warp to first connecting box when wire pressure is great.

Furthermore, the left end of second connecting box is provided with the blotter, the left end of blotter contacts with the left end of first connecting box, through setting up the blotter, when being connected first connecting box and second connecting box through inserted bar and the mutual joint of joint frame, forms the buffering between first connecting box and second connecting box, makes the connection between first connecting box and the second connecting box inseparabler, prevents to rock.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can realize carrying out the in-process of debugging to electric power system relay protection device, lead out from first connecting box and second connecting box respectively through the wire with the wire of the interior wire of relay protection device and tester, then it is fixed to connect each other joint through first connecting box and second connecting box, can consolidate the connection of two wires, prevent that two wires produce in the debugging process and drop, the staff's of having liberated both hands, the staff's of being convenient for use, the security of debugging work has been improved simultaneously.

(2) The upper end of spacing tooth is excavated the recess, and the recess is located the left side of spacing groove, and the outer end of knob is excavated there is anti-skidding groove, through setting up the recess, when needs are relieved the each other between joint frame and the inserted bar and are injectd, can press down in groove department, and the operation of being convenient for through setting up anti-skidding groove, the friction between multiplicable finger and the knob is convenient for rotate the knob to the messenger fastens more when fixing the wire.

(3) The retainer plate adopts rubber materials to make, and the retainer plate is the toper form, and retainer plate right-hand member bore is less than the left end bore, adopts the retainer plate that rubber materials made through the setting, and its right-hand member bore is less than the left end bore, penetrates the retainer plate back in the wire that will draw from relay protection device, can play certain fixed action to the wire, avoids it to remove by a wide margin.

(4) The upper end fixedly connected with sleeve of second connecting box, telescopic inner chamber and the outer end threaded connection of screw rod through setting up the sleeve, can play reinforced (rfd) effect to threaded connection's between screw rod and the first connecting box part, avoids the clamp plate to receive the extrusion to take place to warp to the first connecting box when wire pressure is great.

(5) The left end of second connecting box is provided with the blotter, and the left end of blotter contacts with the left end of first connecting box, through setting up the blotter, when being connected first connecting box and second connecting box through inserted bar and the mutual joint of joint frame, forms the buffering between first connecting box and second connecting box, makes being connected between first connecting box and the second connecting box inseparabler, prevents to rock.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection box of the present invention;

fig. 3 is a schematic structural view of a first connection box of the present invention;

fig. 4 is a schematic structural view of a second connection box of the present invention;

fig. 5 is a schematic view of the structure of the insertion rod of the present invention.

The reference numbers in the figures illustrate:

1. a first junction box; 2. a second connection box; 3. a jack; 4. a stationary ring; 5. clamping the frame; 6. limiting teeth; 7. inserting a rod; 8. a limiting groove; 9. a supporting seat; 10. an arc-shaped slot; 11. a screw; 12. a knob; 13. pressing a plate; 14. a pay-off drum; 15. a groove; 16. an anti-slip groove; 17. a sleeve; 18. a cushion pad.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment is as follows:

referring to fig. 1-5, an interface of a smart grid relay protection device comprises a first connection box 1 and a second connection box 2, wherein a pair of jacks 3 are drilled at the left end of the first connection box 1, a pair of fixing rings 4 are fixedly connected to the inner wall of the first connection box 1, the fixing rings 4 correspond to the jacks 3, a pair of clamping frames 5 are respectively fixedly connected to the upper end and the lower end of the first connection box 1, a limiting tooth 6 is fixedly connected to the inner top end of the upper clamping frame 5, a pair of insertion rods 7 are respectively fixedly connected to the upper end and the lower end of the second connection box 2, the left end of the insertion rod 7 extends to the inner cavity of the clamping frame 5, a limiting groove 8 is drilled at the upper end of the insertion rod 7, the limiting groove 8 is matched with the limiting tooth 6, a supporting seat 9 is fixedly connected to the inner bottom end of the second connection box 2, an arc groove 10 is drilled at the upper end of the supporting seat 9, a pair of screws 11 are threadedly connected to the upper end of the first connection box 1, the upper end fixedly connected with knob 12 of screw rod 11, the lower extreme fixedly connected with clamp plate 13 of screw rod 11, clamp plate 13 is located the upside of arc wall 10, a pair of pay off section of thick bamboo 14 of right-hand member fixedly connected with of second connecting box 2, the left end of pay off section of thick bamboo 14 extends to the inner chamber of second connecting box 2, this scheme can realize carrying out the in-process of debugging to electric power system relay protection device, lead out from first connecting box 1 and second connecting box 2 respectively through the wire with in the relay protection device and the wire of tester, then it is fixed to connect through the mutual joint of first connecting box 1 and second connecting box 2, can consolidate the connection of two wires, prevent that two wires from producing and droing in debugging process, liberation staff's both hands, the staff's of being convenient for use, the security of debugging work has been improved simultaneously.

Referring to fig. 1-2 and 4-5, a groove 15 is cut at the upper end of the limit tooth 6, the groove 15 is located at the left side of the limit groove 8, an anti-slip groove 16 is cut at the outer end of the knob 12, by providing the groove 15, when the mutual limitation between the clamping frame 5 and the insertion rod 7 needs to be removed, the groove 15 can be pressed downwards, so that the operation is convenient, by providing the anti-slip groove 16, the friction between the fingers and the knob 12 can be increased, the knob 12 can be conveniently rotated, and therefore the lead can be more tightly fixed.

Referring to fig. 2-3, the fixing ring 4 is made of rubber, the fixing ring 4 is in a conical shape, the diameter of the right end of the fixing ring 4 is smaller than that of the left end of the fixing ring, and the fixing ring 4 made of rubber is arranged, and the diameter of the right end of the fixing ring is smaller than that of the left end of the fixing ring, so that after a lead led out from the relay protection device penetrates into the fixing ring 4, the lead can be fixed to a certain extent, and the lead is prevented from moving greatly.

Referring to fig. 1-2 and fig. 4, a sleeve 17 is fixedly connected to an upper end of the second connection box 2, an inner cavity of the sleeve 17 is in threaded connection with an outer end of the screw 11, the sleeve 17 can reinforce a threaded connection portion between the screw 11 and the first connection box 1 to prevent the first connection box 1 from being extruded and deformed when the pressure of the pressing plate 13 on the lead is large, a cushion pad 18 is arranged at a left end of the second connection box 2, a left end of the cushion pad 18 contacts with a left end of the first connection box 1, and the cushion pad 18 is arranged to form a buffer between the first connection box 1 and the second connection box 2 when the first connection box 1 and the second connection box 2 are connected through the mutual clamping connection of the insertion rod 7 and the clamping frame 5, so that the connection between the first connection box 1 and the second connection box 2 is tighter and the shaking is prevented.

In the utility model, firstly, the first connection box 1 is fixed on the relay protection device, the wires in the relay protection device are led out from the fixed ring 4, the wires are preliminarily fixed through the fixed ring 4, then the external wires are led into the second connection box 2 through the pay-off cylinder 14 and are placed at the upper end of the arc-shaped groove 10, the wires in the relay protection device are connected with the wires of the tester, then the second connection box 2 is moved to the position close to the first connection box 1 along the wires of the tester, the knob 12 is twisted clockwise, thereby driving the screw rod 11 to rotate clockwise, the pressing plate 13 is driven to move downwards through the thread engagement between the screw rod 11 and the upper end of the first connection box 1 and the sleeve 17, the wires of the tester are fixed through the extrusion between the pressing plate 13 and the supporting seat 9, then the four insertion rods 7 on the second connection box 2 are aligned with the four clamping frames 5 on the first connection box 1, inserting the inserting rod 7 into the clamping frame 5, completing the connection and fixation between the first connecting box 1 and the second connecting box 2 through the mutual clamping of the limiting groove 8 and the limiting tooth 6, when the lead is needed to be disassembled, firstly pressing the inserting rod 7 at the position of the groove 15 to mutually release the inserting rod 7 and the clamping frame 5, namely drawing the inserting rod 7 out of the clamping frame 5, completing the separation of the first connecting box 1 and the second connecting box 2, and disassembling the lead, compared with the prior art, the scheme can realize that in the process of debugging the relay protection device in the electric power system, the connection of the two leads can be reinforced by respectively leading the lead in the relay protection device and the lead of the tester out of the first connecting box 1 and the second connecting box 2, and then mutually clamping and fixation of the first connecting box 1 and the second connecting box 2, so as to prevent the two leads from falling off in the debugging process, the hands of the workers are liberated, the workers can use the machine conveniently, and meanwhile, the safety of debugging work is improved.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a smart power grids relay protection device interface, includes first junction box (1) and second junction box (2), its characterized in that: the left end of the first connecting box (1) is chiseled to be provided with a pair of jacks (3), the inner wall fixedly connected with of the first connecting box (1) is provided with a pair of fixing rings (4), the fixing rings (4) correspond to the jacks (3), the upper end and the lower end of the first connecting box (1) are respectively fixedly connected with a pair of clamping frames (5) and are positioned at the upper side, the inner top end of each clamping frame (5) is fixedly connected with limiting teeth (6), the upper end and the lower end of the second connecting box (2) are respectively fixedly connected with a pair of inserting rods (7), the left end of each inserting rod (7) extends to the inner cavity of each clamping frame (5), the upper end of each inserting rod (7) is chiseled to be provided with a limiting groove (8), the limiting grooves (8) are matched with the limiting teeth (6), the end of the second connecting box (2) is fixedly connected with a supporting seat (9), the upper end of the supporting seat (9) is chiseled to be provided with an arc-shaped groove (10), the upper end threaded connection of first connecting box (1) has a pair of screw rod (11), the upper end fixedly connected with knob (12) of screw rod (11), the lower extreme fixedly connected with clamp plate (13) of screw rod (11), clamp plate (13) are located the upside of arc wall (10), the right-hand member fixedly connected with of second connecting box (2) a pair of pay off section of thick bamboo (14), the left end of pay off section of thick bamboo (14) extends to the inner chamber of second connecting box (2).

2. The interface of claim 1, wherein the interface comprises: the upper end of the limiting tooth (6) is provided with a groove (15), the groove (15) is positioned on the left side of the limiting groove (8), and the outer end of the knob (12) is provided with an anti-skid groove (16).

3. The interface of claim 1, wherein the interface comprises: the fixing ring (4) is made of rubber materials, the fixing ring (4) is in a conical shape, and the caliber of the right end of the fixing ring (4) is smaller than that of the left end.

4. The interface of claim 1, wherein the interface comprises: the upper end fixedly connected with sleeve (17) of second connecting box (2), the outer end threaded connection of the inner chamber and screw rod (11) of sleeve (17).

5. The interface of claim 1, wherein the interface comprises: the left end of the second connecting box (2) is provided with a cushion pad (18), and the left end of the cushion pad (18) is in contact with the left end of the first connecting box (1).