CN207250310U - A kind of combined current voltage transformer - Google Patents

Abstract

The utility model discloses a combined current and voltage transformer, which comprises an upper board, a carrying block, a support vertical rod, a rear board and a front board, a knob and a terminal are arranged on the top of the upper board, and the carrying block fixed on the upper plate, the side plates are connected to the base plate through the rotating shaft, the support vertical rods are connected to the slide rails, the top and bottom ends of the rear plate are respectively connected to the upper plate and the base plate, The front plate is connected to the base plate through another rotating shaft, and an observation window is installed on the front plate. For the combined current and voltage transformer, the whole transformer can be conveniently transported by using the handling block. The overall disassembly, installation and maintenance of the transformer is more convenient. The use of the vent can promote the air circulation inside and outside the transformer. The heat dissipation performance is better, and the outer layer of each plate is made of rubber material, so that the transformer is less likely to be corroded by water vapor, etc., the overall structure is more stable, and the cost is lower.

Description

A Combined Current and Voltage Transformer

technical field

The utility model relates to the technical field of transformers, in particular to a combined current and voltage transformer.

Background technique

Transformers, also known as instrument transformers, are collectively referred to as current transformers and voltage transformers. Combined current and voltage transformers are one of the large categories of transformers. They are mostly installed in high-voltage metering boxes and cabinets for measuring electric energy or It is used as the power supply of the relay protection device of the electric equipment.

With the continuous development of transformer technology and production industry, combined current and voltage transformers are more and more widely used in daily life, but the existing combined current and voltage transformers are not stable in overall structure and difficult to carry Convenience, the equipment cannot be conveniently ventilated, disassembly, installation and maintenance are inconvenient, and the cost is high. In view of the above problems, it is urgent to carry out innovative design on the basis of the original combined current and voltage transformer.

Utility model content

The purpose of this utility model is to provide a combined current and voltage transformer to solve the problems of unstable overall structure, inconvenient transportation, inconvenient ventilation of equipment, inconvenient disassembly, installation and maintenance, and high cost in the above-mentioned background technology. question.

In order to achieve the above purpose, the utility model provides the following technical solutions: a combined current and voltage transformer, including an upper plate, a handling block, a support vertical bar, a rear plate and a front plate, and the top of the upper plate is provided with a knob and terminal posts, the transport block is fixed on the upper plate, and the lower end surface of the upper plate is provided with a mounting groove, and the mounting groove is connected to the side plate through the fixing bolt, and the side plate is connected to the base plate through the rotating shaft, And the upper end surface of the base plate is fixed with a slide rail, the support vertical bar and the slide rail are connected to each other, the top and bottom ends of the rear plate are respectively connected to the upper plate and the base plate, and the rear plate is provided with a ventilation There are openings and rainproof sheets, and the rear panel is equipped with a protective box and a wiring hole. The front panel is connected to the base panel through another rotating shaft, and an observation window is installed on the front panel.

Preferably, two transport blocks are arranged symmetrically with respect to the center line of the upper plate, and the transport block and the upper plate are welded and integrated.

Preferably, both the side plate and the front plate form a rotating mechanism through a rotating shaft and a base plate, and the rotating range is 0-90°.

Preferably, the support vertical bar and the slide rail form a sliding mechanism, and the support vertical bar and the base plate are vertically distributed.

Preferably, there are 6 ventilation openings and rainproof sheets in total, and the rainproof sheet is located above the ventilation openings, and the cross section of the rainproof sheet is an arc-shaped structure.

Preferably, the surfaces of the front panel, the upper panel, the side panels and the base panel are all rubber materials.

Compared with the prior art, the beneficial effect of the utility model is: the combined current and voltage transformer can be conveniently carried as a whole by using the handling block, and the rotatable side plate and the front plate are used to facilitate The overall disassembly and installation of the transformer is more convenient for maintenance. The use of slidable support vertical rods can provide stable support for the overall structure of the transformer without affecting the maintenance of the transformer. The use of vents can promote The air circulation inside and outside the transformer has better heat dissipation performance, and the use of various boards with rubber outer layers makes the transformer less likely to be corroded by water vapor, etc. At the same time, the connection between the boards is also more closed. The structure is more stable and the cost is lower.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is the schematic diagram of the front section structure of the utility model;

Fig. 3 is the utility model side view sectional structure schematic diagram;

Fig. 4 is a schematic diagram of the back structure of the utility model.

In the figure: 1. Upper plate, 2. Knob, 3. Terminal post, 4. Carrying block, 5. Mounting slot, 6. Fixing bolt, 7. Side plate, 8. Rotation shaft, 9. Base plate, 10. Sliding Rail, 11, support vertical bar, 12, rear plate, 13, air vent, 14, rainproof sheet, 15, protection box, 16, wiring hole, 17, front plate, 18, observation window.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-4, the utility model provides a technical solution: a combined current and voltage transformer, including an upper plate 1, a knob 2, a terminal post 3, a handling block 4, a mounting groove 5, a fixing bolt 6, a side Plate 7, rotating shaft 8, base plate 9, slide rail 10, support vertical rod 11, rear plate 12, air vent 13, rainproof sheet 14, protection box 15, wiring hole 16, front plate 17 and observation window 18 , the top of the upper plate 1 is provided with a knob 2 and a terminal 3, the transport block 4 is fixed on the upper plate 1, and the lower end surface of the upper plate 1 is provided with a mounting groove 5, and the mounting groove 5 passes through the fixing bolt 6 and the side plate 7 They are connected to each other, and two transport blocks 4 are arranged symmetrically about the center line of the upper plate 1, and the transport block 4 and the upper plate 1 are welded and integrated structures, which can carry out convenient transport of the transformer as a whole. The side plate 7 and the front plate 1 The set plate 17 forms a rotating mechanism through the rotating shaft 8 and the base plate 9, and the rotation range is 0-90°, which is convenient for the overall disassembly and installation of the transformer, and the maintenance is more convenient. The side plate 7 is connected through the rotating shaft 8 and the base plate 9 are connected to each other, and the upper end surface of the base plate 9 is fixed with a slide rail 10, the support vertical bar 11 and the slide rail 10 are connected to each other, the support vertical bar 11 and the slide rail 10 form a sliding mechanism, and the support vertical bar 11 and the base plate 9 are The vertical distribution can provide stable support for the overall structure of the transformer without affecting the maintenance of the transformer. The top and bottom ends of the rear board 12 are connected to the upper board 1 and the base board 9 respectively, and the rear Vent 13 and rainproof sheet 14 are arranged on the board 12, and protective box 15 and wiring hole 16 are installed on the rear panel 12, and ventilation opening 13 and rainproof sheet 14 are provided with 6 altogether, and rainproof sheet 14 is positioned at The top of the vent 13, and the cross section of the rainproof sheet 14 is an arc structure, which can promote the air circulation inside and outside the transformer, and the heat dissipation performance is better. The front plate 17 is connected to the base plate 9 through another rotating shaft 8. connection, and the observation window 18 is installed on the front plate 17, and the surfaces of the front plate 17, the upper plate 1, the side plate 7 and the base plate 9 are made of rubber material, so that the transformer is less likely to be corroded by water vapor, etc., and each The connection between the boards is also more airtight, the overall structure is more stable, and the cost is lower.

Working principle: Firstly, the overall structure of the transformer is assembled. After the internal parts of the transformer are installed, the two supporting vertical rods 11 are first slid into each slide rail 10, so as to achieve the overall structure of the transformer. For the purpose of strengthening the structure, turn the two side plates 7 up to the maximum angle until the upper end surface of the side plate 7 fits with the installation grooves 5 on both sides of the upper plate 1, and then use the fixing bolts 6 to install each side plate 7 On the upper plate 1, since the front plate 17 forms a rotating mechanism through the rotating shaft 8 and the base plate 9, and a mounting groove 5 corresponding to the position of the front plate 17 is provided on the upper plate 1, so the same can be used. Method Install the front plate 17 on the upper plate 1, and finally use the fixing bolts 6 to fix the side plate 7 and the front plate 17. Since the outer surface of each plate is made of rubber, it is necessary to connect each plate When the transformer is used, the heat and air inside the transformer will exchange and circulate with the outside air through the vent 13 on the rear panel 12, and the rainproof sheet 14 It can prevent rainwater and the like from entering the inside of the transformer, which is the installation and use method and principle of the combined current and voltage transformer.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. a kind of combined current voltage transformer, including top plate（1）, handling block（4）, vertical supporting rod（11）, postposition plate （12）And front panel（17）, it is characterised in that：The top plate（1）Top be provided with knob（2）And binding post（3）, it is described Handling block（4）It is fixed on top plate（1）On, and top plate（1）Lower face be provided with mounting groove（5）, and mounting groove（5）It is logical Cross fixing bolt（6）And side plate（7）It is connected with each other, the side plate（7）Pass through rotation axis（8）And base board（9）It is connected with each other, and Base board（9）Upper surface be fixed with slide（10）, the vertical supporting rod（11）And slide（10）It is connected with each other, the postposition plate （12）Top and bottom respectively with top plate（1）And base board（9）It is connected with each other, and postposition plate（12）On be provided with ventilating opening （13）With rain-proof piece（14）, and postposition plate（12）On protecting box is installed（15）And wiring hole（16）, the front panel（17） Pass through another rotation axis（8）And base board（9）It is connected with each other, and front panel（17）On observation window is installed（18）.

A kind of 2. combined current voltage transformer according to claim 1, it is characterised in that：The handling block（4）Close In top plate（1）Center line symmetrical setting have 2, and handling block（4）With top plate（1）For weldedization structure.

A kind of 3. combined current voltage transformer according to claim 1, it is characterised in that：The side plate（7）With it is preceding Put plate（17）Pass through rotation axis（8）And base board（9）Rotating mechanism is formed, and slewing area is 0-90 °.

A kind of 4. combined current voltage transformer according to claim 1, it is characterised in that：The vertical supporting rod（11） And slide（10）Form sliding equipment, and vertical supporting rod（11）With base board（9）For vertical distribution.

A kind of 5. combined current voltage transformer according to claim 1, it is characterised in that：The ventilating opening（13）With Rain-proof piece（14）6, and rain-proof piece are provided with altogether（14）Positioned at ventilating opening（13）Top, and rain-proof piece（14）Cross section For arcuate structure.

A kind of 6. combined current voltage transformer according to claim 1, it is characterised in that：The front panel（17）、 Top plate（1）, side plate（7）And base board（9）Surface is elastomeric material.