阅读说明：本技术 一种电阻套管设备 (Resistance bushing equipment ) 是由 陈丽可 于 2019-09-20 设计创作，主要内容包括：本发明公开了一种电阻套管设备，其结构包括绝缘套、滑片、绝缘盖、导电滑架、导电圆杆、接线接头、绝缘座、电阻筒，本发明具有的效果：电阻筒由绝缘筒和电阻线圈以及电阻线圈两端的接线环组成，通过绝缘套、电阻丝和电阻线槽以及电阻杆组成的电阻线圈，在通电的情况下，能够大大提高电阻稳定性，使电阻值在改变中更加准确，通过导电环、安装孔和内绝缘环以及接线帽组成的接线环，在通电发热的情况下，能够在结构作用下进行排热，使接头各焊接点不易老化，通过固定槽、瓷筒和金属杆以及金属筒组成的绝缘筒，在电阻线圈通电发热的情况下，绝缘筒能够快速吸收电阻线圈所产生的热量，并利用空气对流将热量从筒中排出，从而降低电阻线圈的老化速度。(The invention discloses a resistance bushing device, which structurally comprises an insulating sleeve, a sliding sheet, an insulating cover, a conductive sliding frame, a conductive round rod, a wiring connector, an insulating seat and a resistance cylinder, and has the following effects: the resistance cylinder comprises the wiring ring at insulating cylinder and resistance coil both ends, through the insulating cover, the resistance coil that resistance wire and resistance wire casing and resistance rod are constituteed, under the circumstances of circular telegram, can improve resistance stability greatly, it is more accurate to make the resistance value in the change, through the conducting ring, the wiring ring that mounting hole and interior insulating ring and terminal cap are constituteed, under the circumstances that the circular telegram generates heat, can carry out the heat extraction under the structural action, make and connect each welding point and be difficult for ageing, through the fixed slot, the insulating cylinder that porcelain cylinder and metal pole and metal cylinder are constituteed, under the circumstances that resistance coil circular telegram generates heat, the insulating cylinder can absorb the produced heat of resistance coil fast, and utilize the air convection to discharge the heat from a section of thick bamboo, thereby reduce resistance coil's ageing rate.)

1. The utility model provides a resistance bushing equipment, its structure includes insulating cover (1), gleitbretter (2), insulating cover (3), electrically conductive balladeur train (4), electrically conductive round bar (5), wiring joint (6), insulating seat (7), resistance cylinder (8), its characterized in that:

resistance cylinder (8) both ends be equipped with insulating seat (7), insulating seat (7) top be equipped with insulating cover (1), resistance cylinder (8) top be equipped with electrically conductive round bar (5), electrically conductive round bar (5) both ends be equipped with wiring joint (6), electrically conductive round bar (5) on be equipped with electrically conductive balladeur train (4), electrically conductive balladeur train (4) top be equipped with insulating lid (3), electrically conductive balladeur train (4) around both ends be equipped with gleitbretter (2).

2. A resistance bushing apparatus according to claim 1, wherein: resistance cylinder (8) constitute by wiring ring (81), resistance coil (82), insulating cylinder (83) outer lane be equipped with resistance coil (82), resistance coil (82) both ends be equipped with wiring ring (81), resistance coil (82) fix on insulating cylinder (83) through wiring ring (81).

3. A resistance bushing apparatus according to claim 2, wherein: the wiring ring (81) consists of a conducting ring (81 a), a mounting hole (81 b), an inner insulating ring (81 c) and a wiring cap (81 d), the conducting ring (81 a) is provided with the mounting hole (81 b), the inner ring of the conducting ring (81 a) is provided with the inner insulating ring (81 c), and the bottom of the conducting ring (81 a) is provided with the wiring cap (81 d).

4. A resistance bushing apparatus according to claim 2, wherein: the resistance coil (82) consists of an insulating sleeve (82 a), a resistance wire (82 b), a resistance wire slot (82 c) and a resistance rod (82 d), the resistance rod (82 d) is arranged inside the insulating sleeve (82 a), the resistance wire slot (82 c) is arranged on the resistance rod (82 d), and the resistance wire (82 b) is arranged between the insulating sleeve (82 a) and the resistance rod (82 d).

5. A resistance bushing apparatus according to claim 2, wherein: the insulating cylinder (83) comprises a fixing groove (83 a), a ceramic cylinder (83 b), a metal rod (83 c) and a metal cylinder (83 d), the fixing groove (83 a) is formed in the inner ring of the ceramic cylinder (83 b), the metal cylinder (83 d) is formed in the inner ring of the ceramic cylinder (83 b), and the metal rod (83 c) is arranged between the metal cylinder (83 d) and the fixing groove (83 a).

6. A resistance bushing apparatus according to claim 3, wherein: the inner insulating ring (81 c) is of a honeycomb structure formed by symmetrically arranging and combining regular hexagonal single cells, two end cell ports of the single cells are communicated, and the two end cell ports are back to back.

7. A resistance bushing apparatus according to claim 5, wherein: a resistance bushing apparatus according to claim 1, wherein: the circumference diameter of the outer ring of the porcelain cylinder (83 b) is equal to the circumference diameter of the inner ring of the inner insulating ring (81 c), and the porcelain cylinder (83 b) and the inner insulating ring (81 c) are in interference fit.

Technical Field

The invention relates to the field of devices such as resistors, in particular to a resistor bushing device.

Background

The resistor is generally directly called as a resistor in daily life and is a current-limiting element, after the resistor is connected in a circuit, the resistance value of the resistor is fixed and generally comprises two pins which can limit the current passing through a branch circuit connected with the resistor, the adjustable resistor is also called as a variable resistor, the adjustable resistor is a type of resistor, the resistance value of the adjustable resistor can be manually adjusted to meet the requirement of the circuit, the common adjustable resistor mainly changes the resistance value by changing the length of the resistor connected into the circuit, the sliding rheostat is formed by winding a resistance wire into a coil, and the length of the resistance wire connected into the circuit is changed by sliding a sliding sheet so as to change the resistance value, the existing sliding rheostat can generate heat with higher temperature in operation and directly acts on each part, the aging speed of the part is accelerated, so that the electrical parameters are gradually degraded, and the stability of the resistor is finally influenced, and there is certain electric leakage risk, therefore need develop a novel resistance bushing equipment to this solves current slide rheostat can produce the higher heat of temperature in the operation, and directly act on each part, has accelerated the ageing speed of part, thereby makes the electrical parameter degrade gradually, finally influences the stability of resistance, and has certain electric leakage risk's problem.

Summary of the invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: a resistance bushing device structurally comprises an insulating sleeve, a slip sheet, an insulating cover, a conductive sliding frame, a conductive round rod, a wiring connector, an insulating base and a resistance cylinder, wherein the insulating base is arranged at the left end and the right end of the resistance cylinder and is of an axial symmetry structure, the top of the insulating base is provided with the insulating sleeve, the insulating sleeve and the insulating base are in interference fit, the conductive round rod is arranged above the resistance cylinder and is arranged above the resistance cylinder through the insulating sleeve, the two ends of the conductive round rod are provided with the wiring connector and are of the axial symmetry structure, the conductive round rod is provided with the conductive sliding frame, the conductive sliding frame and the conductive round rod are in sliding fit, the top of the conductive sliding frame is provided with the insulating cover, the insulating cover and the conductive sliding frame are buckled, the slip sheet is arranged at the front end and the rear end of the conductive sliding frame and are of the axial symmetry structure, the slip sheet and the conductive sliding frame are, the conductive sliding frame is in sliding fit with the resistance cylinder through the sliding sheet.

As a further optimization of the technical scheme, the resistance cylinder comprises a wire connection ring, a resistance coil and an insulation cylinder, the resistance coil is arranged at the center of the outer ring of the insulation cylinder, the wire connection rings are arranged at two ends of the resistance coil and are in an axisymmetric structure, the resistance coil is fixed on the insulation cylinder through the wire connection rings, and the wire connection ring at the same end is matched with the wire connection joint.

As a further optimization of the technical scheme, the wiring ring comprises a conducting ring, a mounting hole, an inner insulating ring and a wiring cap, the conducting ring is provided with the mounting hole, the mounting hole and the conducting ring are of an integrated structure, the conducting ring is internally provided with the inner insulating ring, the inner insulating ring and the conducting ring are in interference fit, the conducting ring is fixed on the insulating cylinder through the inner insulating ring, the wiring cap is arranged at the bottom of the conducting ring, and the wiring cap is connected with the conducting ring.

As a further optimization of the technical scheme, the resistance coil is composed of an insulation sleeve, a resistance wire, resistance wire slots and a resistance rod, the resistance rod is arranged in the insulation sleeve, the resistance wire slots are arranged on the resistance rod in parallel, the resistance wire slots and the resistance rod are of an integrated structure, the resistance wire is arranged between the insulation sleeve and the resistance rod, and the resistance wire is fixed on the resistance rod through the resistance wire slots.

As a further optimization of the technical scheme, the insulating cylinder comprises a fixing groove, a ceramic cylinder, a metal rod and a metal cylinder, the fixing groove is formed in the inner ring of the ceramic cylinder, the fixing groove and the ceramic cylinder are of an integrated structure, the metal cylinder is arranged at the center of the inner ring of the ceramic cylinder, the metal rod is arranged between the metal cylinder and the fixing groove, the top end of the metal rod is fastened and fixed on the fixing groove, the bottom end of the metal rod penetrates through the metal cylinder and is arranged inside the metal cylinder, and the metal cylinder is fixed inside the ceramic cylinder through the metal rod.

As a further optimization of the technical scheme, the inner insulating ring is of a honeycomb structure formed by symmetrically arranging and combining regular hexagonal single cells, communicated cell ports at two ends and back to back.

As a further optimization of the technical scheme, the circumferential diameter of the outer ring of the porcelain cylinder is equal to the circumferential diameter of the inner ring of the inner insulating ring, and the porcelain cylinder and the inner insulating ring are in interference fit.

As a further optimization of the technical scheme, the resistance wire slot and the resistance rod are all composed of the same iron, chromium and aluminum.

Advantageous effects

The resistance bushing equipment is reasonable in design and strong in functionality, and has the following beneficial effects:

the resistance cylinder comprises an insulation cylinder, a resistance coil and wire connecting rings at two ends of the resistance coil, the resistance coil comprises an insulation sleeve, a resistance wire groove and a resistance rod, the resistance coil can greatly improve the stability of the resistance under the condition of electrifying, the resistance value can be more accurately changed, the wire connecting rings comprise a conducting ring, a mounting hole, an inner insulation ring and a wire connecting cap, the efficient heat extraction can be carried out under the structural action under the condition of electrifying and heating through the wire connecting rings, so that the welding points of a connector are not easy to age, the insulation cylinder can quickly absorb heat generated by the resistance coil under the condition of electrifying and heating of the resistance coil through a fixing groove, a ceramic cylinder, a metal rod and the insulation cylinder consisting of the metal cylinder, and the heat can be discharged from the cylinder by utilizing air convection, so that the aging speed of the resistance coil is reduced.

The eight resistance rods are arranged in the insulating sleeve, each resistance rod surrounds the insulating sleeve to form a ring wall structure, because the resistance wire grooves are arranged in parallel on the resistance rods, the resistance wires are sequentially wound into coils through the resistance rods, the resistance wires are fixed on the resistance rods through the resistance wire grooves, the resistance rods, the resistance wires and the resistance wire grooves are mutually connected, and under the condition of electrifying, the formed coils can greatly improve the stability of the resistance, so that the resistance value is more accurate in changing;

the conducting ring is fixed on the insulating cylinder through the inner insulating ring, because the inner insulating ring is of a honeycomb structure formed by symmetrically arranging and combining regular hexagonal single rooms, two end room ports of the honeycomb structure are communicated and back to back, heat is discharged from the communicated regular hexagonal single rooms under the action of the honeycomb structure under the condition that the wiring of the wiring cap is electrified and heated, so that welding points of a connector are not easy to age, and the service life of equipment is prolonged;

when the resistance coil is electrified and heated, heat is absorbed by the ceramic cylinder firstly, the ceramic cylinder transfers the heat to the metal cylinder through each metal rod, and because the metal cylinder and the ceramic cylinder are both of hollow cylindrical structures and have circular openings at two ends, the heat can be gathered in the metal cylinder and a hollow interlayer between the ceramic cylinder and the metal cylinder, so that when air enters the metal cylinder and the ceramic cylinder, the heat can be taken out quickly, and the aging speed of the resistance coil is reduced.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic diagram of a front view of a resistor bushing apparatus according to the present invention;

FIG. 2 is a schematic diagram of a cross-sectional side view of the resistor cartridge of the present invention;

FIG. 3 is a schematic diagram of the front view structure of the wire connecting ring of the present invention;

FIG. 4 is a schematic diagram of a front view of the resistance coil of the present invention;

fig. 5 is a schematic front view of the insulation tube of the present invention.

In the figure: the device comprises an insulating sleeve-1, a sliding sheet-2, an insulating cover-3, a conductive sliding frame-4, a conductive round rod-5, a wiring connector-6, an insulating base-7, a resistor cylinder-8, a wiring ring-81, a conductive ring-81 a, a mounting hole-81 b, an inner insulating ring-81 c, a wiring cap-81 d, a resistor coil-82, an insulating sleeve-82 a, a resistor wire-82 b, a resistor wire slot-82 c, a resistor rod-82 d, an insulating cylinder-83, a fixing groove-83 a, a ceramic cylinder-83 b, a metal rod-83 c and a metal cylinder-83 d.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.