Oiling device for power capacitor

By designing an oil filling device that includes clamping, lifting, and filtering functions, the problem of inconvenient oil filling for power capacitors in the existing technology has been solved, achieving stable delivery and clean replenishment of insulating oil and improving the maintenance efficiency of capacitors.

CN223911538UActive Publication Date: 2026-02-13SHANGYU POWER CAPACITOR
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520439436.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-02-13
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

Existing power capacitor oil filling devices are inconvenient for replenishing insulating oil into the tank.

Method used

An oil injection device is designed, comprising a frame, a tank, a delivery pump, a telescopic pipe, a first filter, a placement seat, a clamping mechanism, a lifting mechanism, and a suction device. The clamping mechanism clamps the power capacitor, the lifting mechanism controls the movement of the clamping mechanism, and the suction device is connected to the telescopic pipe to achieve stable delivery and positioning of insulating oil. The filter device ensures the cleanliness of the oil.

Benefits of technology

This improves the convenience and stability of replenishing insulating oil into the tank, ensures the cleanliness of the insulating oil, and enhances the maintenance efficiency of power capacitors.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223911538U_ABST
    Figure CN223911538U_ABST
Patent Text Reader

Abstract

The utility model discloses an oil injection device for a power capacitor, and belongs to the technical field of power capacitors, and the oil injection device is characterized by comprising a rack, a tank body, a delivery pump, a telescopic pipe and a first filtering device, and further comprising a placement seat for placing the power capacitor; the clamping mechanism is mounted on the placing seat; the lifting mechanism is used for controlling the clamping mechanism to lift; the suction device is movably mounted on the rack; wherein the suction device is provided with a connector, and the connector is matched with the telescopic pipe. According to the invention, the convenience of supplementing the insulating oil into the tank body can be improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of capacitors, and particularly relates to an oil injection device for a power capacitor. BACKGROUND

[0002] The capacitor oil supplement device is a device for capacitor maintenance and maintenance, which can supplement the insulating oil for the capacitor to ensure the normal operation of the capacitor and prolong the service life thereof.

[0003] The existing Chinese patent with the publication number CN222394708U discloses a power capacitor oil supplement device, which comprises a rack, a tank body fixedly connected to the upper end of the rack, a movable plate movably connected to the inner cavity of the tank body, a movable rod fixedly connected to the lower end of the movable plate, a first spring fixedly connected to the lower end of the movable rod, a force sensor fixedly connected to the lower end of the first spring, a hollow column fixedly connected to the lower end of the force sensor, and the movable rod and the force sensor are arranged in the inner cavity of the hollow column.

[0004] The above oil injection device is not easy to block, but there are still some problems when supplementing the insulating oil into the tank body, and improvements are needed. CONTENT OF THE UTILITY MODEL

[0005] The application aims to solve the above technical problems, and provides an oil injection device for a power capacitor, which can improve the convenience of supplementing the insulating oil into the tank body.

[0006] The application provides an oil injection device for a power capacitor, which comprises a rack, a tank body, a conveying pump, an extension pipe, a first filtering device, and further comprises:

[0007] A placing seat is arranged for placing the power capacitor.

[0008] A clamping mechanism is arranged on the placing seat.

[0009] A lifting mechanism is arranged for controlling the lifting of the clamping mechanism.

[0010] A suction device is movably arranged on the rack.

[0011] The suction device is provided with an interface which is adapted to the extension pipe.

[0012] The placing seat is placed on one side of the rack and connected with the rack. When the power capacitor needs to be filled with insulating oil, the power capacitor is placed on the placing seat, and then clamped by the clamping mechanism, so as to facilitate the stability of the power capacitor during oil filling and the positioning of the conveying pipe and the power capacitor during connection. The clamping mechanism is moved by the lifting mechanism, so that the clamping mechanism is placed on the placing seat and moves up and down. As the insulating oil in the tank gradually decreases, the insulating oil needs to be supplemented into the tank. The bucket of insulating oil is placed on the placing seat, and then the suction device is used to be placed in the insulating oil, so that the suction device is connected with the telescopic pipe. The insulating oil is extracted and conveyed into the tank by the conveying pump. The conveying pump is connected with two-position four-way electromagnetic valve, which is connected with the inlet, outlet, tank and conveying pipe of the conveying pump respectively. When the power capacitor is filled with oil, the insulating oil is conveyed from the tank to the conveying pipe. When the tank is supplemented with insulating oil, the insulating oil is conveyed into the tank through the conveying pipe.

[0013] Further, the suction device comprises:

[0014] The moving seat;

[0015] The sliding rail is installed on the rack;

[0016] The second filter device is installed on the moving seat, and the second filter device is provided with a filter screen;

[0017] The hose is installed on the moving seat;

[0018] The air cylinder is installed between the moving seat and the rack;

[0019] The sliding rail is connected with the moving seat, and the hose, the second filter device and the interface are connected in sequence.

[0020] The moving seat is connected with the sliding rail, and the moving seat is driven to move by the air cylinder. When it is needed to supplement the insulating oil in the tank by the suction device, the moving seat is moved to correspond to the telescopic pipe. The conveying pipe is connected with the interface, and then the hose is placed in the bucket of insulating oil. The insulating oil is conveyed by the conveying pump and filtered by the filter screen in the second filter device to intercept impurities and keep the insulating oil conveyed into the tank clean. When the supplement of insulating oil in the tank is completed, the conveying pipe is separated from the interface, and the moving seat is moved away from the telescopic pipe.

[0021] Further, the rack is provided with a clamping body, and the clamping body is matched with the hose.

[0022] The clamping body is installed on the rack. When the hose is not needed, the hose is placed on the clamping body, so as to facilitate the storage and placement of the hose.

[0023] Further, the clamping mechanism comprises:

[0024] The clamping seat;

[0025] clamping block, movably mounted on the clamping seat;

[0026] electromagnet, respectively arranged on the clamping seat and the clamping block and corresponding to each other.

[0027] The clamping block is movably mounted on the clamping seat, the relative movement of the clamping block and the clamping seat is controlled by energizing the electromagnet, and the power capacitor arranged between the clamping seats is clamped by the clamping block extending from the clamping seat.

[0028] Further, the lifting mechanism comprises:

[0029] threaded rod, movably mounted on the placing seat;

[0030] motor, mounted on the placing seat and connected with the threaded rod;

[0031] The threaded rod is connected with the clamping seat.

[0032] The lifting mechanism is used to control the lifting of the clamping seat, when the clamping block is in the retracted state on the clamping seat, the motor is used to drive the threaded rod to rotate, the threaded rod and the clamping seat are connected through a threaded pair, and the clamping seat is lifted and moved when the threaded rod rotates.

[0033] Further, the bottom of the clamping seat is provided with a base, a damper is arranged between the base and the clamping seat, and the base is provided with a spring sleeved outside the damper.

[0034] When the clamping seat is retracted into the placing seat, the base mounted on the clamping seat abuts against the ground, the damper and the spring improve the stability of the placing seat, and the placing seat has high load-bearing performance when the barreled insulating oil is placed on the placing seat.

[0035] The application has the following beneficial effects:

[0036] 1. When the power capacitor needs to be filled with insulating oil, the power capacitor is placed on the placing seat, and then clamped by the clamping mechanism, so that the stability of the power capacitor during oil filling is improved.

[0037] 2. The lifting mechanism is used to control the movement of the clamping mechanism, so that the clamping mechanism is moved up and down on the placing seat.

[0038] 3. The suction device is connected with the telescopic pipe, and when the insulating oil is supplemented in the tank, the insulating oil is transported to the tank through the conveying pipe. BRIEF DESCRIPTION OF DRAWINGS

[0039] Figure 1 It is a structural schematic view of the oil filling device of the application;

[0040] Figure 2 It is a structural schematic view of the moving seat of the application;

[0041] Figure 3 Figure is a schematic view of the structure of the placement seat of the present application;

[0042] Figure, reference numeral 100, rack; 110, tank body; 120, delivery pump; 130, telescopic pipe; 140, first filter device; 200, placement seat; 300, clamping mechanism; 310, clamping seat; 311, base; 312, damper; 313, spring; 320, clamping block; 330, electromagnet; 400, lifting mechanism; 410, threaded rod; 420, motor; 500, suction device; 510, interface; 520, moving seat; 530, slide rail; 540, second filter device; 550, hose; 560, air cylinder; 570, clamping body. DETAILED DESCRIPTION

[0043] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present application.

[0044] The terms "first", "second", and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second", etc. are usually a category and do not limit the number of objects, for example, the first object can be one or more. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / ", generally represents a "or" relationship between the front and rear associated objects.

[0045] The embodiments of the present application will be described in detail below with reference to the drawings and specific examples and their application scenarios.

[0046] Embodiment 1:

[0047] As shown in the drawings, Figures 1-3 The present application provides an oil injection device for power capacitors, comprising a rack 100, a tank body 110, a delivery pump 120, a telescopic pipe 130, a first filter device 140, and further comprising:

[0048] a placement seat 200 for placing power capacitors;

[0049] a clamping mechanism 300 installed on the placement seat 200;

[0050] a lifting mechanism 400 for controlling the lifting of the clamping mechanism 300;

[0051] The suction device 500 is movably mounted on the rack 100.

[0052] The suction device 500 is provided with an interface 510 which is adapted to the telescopic pipe 130.

[0053] The placing seat 200 is placed on one side of the rack 100 and connected with the rack 100. When the power capacitor needs to be filled with insulating oil, the power capacitor is placed on the placing seat 200, and then clamped by the clamping mechanism 300, so as to facilitate the stability of the power capacitor during oil filling and the positioning of the conveying pipe when connected with the power capacitor. The clamping mechanism 300 is moved by the lifting mechanism 400, so as to be telescopically moved on the placing seat 200. When the insulating oil in the tank body 110 gradually decreases and needs to be supplemented, the bucket of insulating oil is placed on the placing seat 200, and then the suction device 500 is placed in the insulating oil, so as to be connected with the telescopic pipe 130. The insulating oil is extracted by the conveying pump 120 and conveyed into the tank body 110. The conveying pump 120 is connected with a two-position four-way electromagnetic valve which is connected with the inlet, outlet, tank body 110 and conveying pipe of the conveying pump 120 respectively. When the power capacitor is filled with oil, the insulating oil is conveyed from the tank body 110 to the conveying pipe. When the tank body 110 is supplemented with insulating oil, the insulating oil is conveyed to the tank body 110 through the conveying pipe.

[0054] Embodiment 2:

[0055] As shown in Figure 1 , Figure 2 The application provides an oil filling device for a power capacitor. In addition to the above technical features, the suction device 500 further comprises:

[0056] A moving seat 520;

[0057] A slide rail 530 mounted on the rack 100;

[0058] A second filtering device 540 mounted on the moving seat 520, and provided with a filter screen;

[0059] A hose 550 mounted on the moving seat 520;

[0060] A cylinder 560 mounted between the moving seat 520 and the rack 100;

[0061] The slide rail 530 is slidably connected with the moving seat 520, and the hose 550, the second filtering device 540 and the interface 510 are sequentially connected.

[0062] The moving seat 520 is connected with the slide rail 530, and the moving seat 520 is driven to move by the air cylinder 560. When it is needed to supplement the insulating oil into the tank body 110 by the suction device 500, the moving seat 520 is moved to correspond to the telescopic pipe 130, the conveying pipe is connected with the interface 510, then the hose 550 is placed in the bucket insulating oil, the insulating oil is conveyed by the conveying pump 120, the insulating oil is filtered by the filter screen in the second filter device 540, the impurities are intercepted, the cleanliness of the insulating oil conveyed into the tank body 110 is maintained, when the supplement of the insulating oil into the tank body 110 is completed, the conveying pipe is separated from the interface 510, and the moving seat 520 is moved away from the telescopic pipe 130.

[0063] Further, the rack 100 is provided with a clamping body 570, and the clamping body 570 is matched with the hose 550.

[0064] The clamping body 570 is installed on the rack 100, when the hose 550 is not needed to be used, the hose 550 is placed on the clamping body 570, and the hose 550 is conveniently stored and placed.

[0065] Embodiment 3:

[0066] As shown in Figure 1 , Figure 3 , the embodiment of the present application provides an oil injection device for a power capacitor, in addition to comprising the above technical features, further, the clamping mechanism 300 comprises:

[0067] a clamping seat 310;

[0068] a clamping block 320 movably installed on the clamping seat 310;

[0069] electromagnets 330 respectively arranged on the clamping seat 310 and the clamping block 320 and corresponding to each other.

[0070] The clamping block 320 is movably installed on the clamping seat 310, the relative movement of the clamping block 320 and the clamping seat 310 is controlled by energizing the electromagnets 330, the power capacitor arranged between the clamping seat 310 is clamped by the clamping block 320 extending from the clamping seat 310.

[0071] Further, the lifting mechanism 400 comprises:

[0072] a threaded rod 410 movably installed on the placing seat 200;

[0073] a motor 420 installed on the placing seat 200 and connected with the threaded rod 410;

[0074] The threaded rod 410 is connected with the clamping seat 310.

[0075] The clamping seat 310 is controlled to ascend and descend by the lifting mechanism 400, when the clamping block 320 is placed on the clamping seat 310 in the contracted state, the threaded rod 410 is driven to rotate by the motor 420, the threaded rod 410 is connected with the clamping seat 310 through a threaded pair, when the threaded rod 410 rotates, the clamping seat 310 is moved up and down.

[0076] Further, the bottom of the clamping seat 310 is provided with a base 311, the base 311 is provided with a damper 312 between the clamping seat 310, and the base 311 is provided with a spring 313 sleeved outside the damper 312.

[0077] When the clamping seat 310 is contracted into the placing seat 200, the base 311 installed on the clamping seat 310 abuts against the ground, through the damper 312, the spring 313 improves the stability of the placing seat 200, when the barreled insulating oil is placed on the placing seat 200, the placing seat 200 has higher bearing performance.

[0078] It should be noted that in this document, the terms "comprise", "comprising", or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element. In addition, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but can also include performing functions in a substantially simultaneous manner or in reverse order, for example, the described method can be performed in an order different from that described, and various steps can be added, omitted, or combined. In addition, features described with reference to certain examples can be combined in other examples.

[0079] The embodiments of the present application are described above in combination with the drawings, but the present application is not limited to the above specific embodiments, the above specific embodiments are only illustrative, but not restrictive, and those skilled in the art can make many forms under the inspiration of the present application without departing from the scope of the present application and the scope protected by the claims, which all belong to the protection of the present application.

Claims

1. An oil injection device for power capacitors, comprising a frame (100), a tank body (110), a delivery pump (120), a telescopic tube (130), a first filtering device (140), characterized in that, Also include: A placing seat (200) for placing the power capacitor; A clamping mechanism (300) mounted on the placing seat (200); A lifting mechanism (400) for controlling the lifting of the clamping mechanism (300); A suction device (500) movably mounted on the rack (100); Wherein, the suction device (500) is provided with an interface (510) matched with the telescopic pipe (130).

2. The oil filling device for a power capacitor according to claim 1, wherein The suction device (500) comprises: A moving seat (520); A slide rail (530) mounted on the rack (100); A second filter device (540) mounted on the moving seat (520), the second filter device (540) is provided with a filter screen; A hose (550) mounted on the moving seat (520); A gas cylinder (560) mounted between the moving seat (520) and the rack (100); Wherein, the slide rail (530) and the moving seat (520) are slidingly connected, and the hose (550), the second filter device (540) and the interface (510) are connected in sequence.

3. The oil filling device for a power capacitor according to claim 2, wherein The rack (100) is provided with a clamping body (570) matched with the hose (550).

4. The oil filling device for a power capacitor according to claim 3, wherein The clamping mechanism (300) comprises: A clamping seat (310); A clamping block (320) movably mounted on the clamping seat (310); An electromagnet (330) respectively arranged on the clamping seat (310) and the clamping block (320) and corresponding to each other.

5. The oil filling device for a power capacitor according to claim 4, wherein The lifting mechanism (400) comprises: A threaded rod (410) movably mounted on the placing seat (200); A motor (420) mounted on the placing seat (200) and connected with the threaded rod (410); Wherein, the threaded rod (410) is connected with the clamping seat (310).

6. The oil filling device for a power capacitor according to claim 5, wherein The bottom of the clamping seat (310) is provided with a base (311), a damper (312) is arranged between the base (311) and the clamping seat (310), and the base (311) is provided with a spring (313) sleeved outside the damper (312).

Citation Information

Patent Citations

  • Oil refilling device of power capacitor

    CN222394708U