Multi-tap open type line wave trapper
By designing a multi-tap open-circuit wave trap and utilizing a control chip and magnetic connector to achieve rapid tap switching, the problem of suboptimal switching methods in existing technologies is solved, thereby improving the performance and stability of the wave trap.
Patent Information
- Application Number
- CN202422934603.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2034-11-29
AI Technical Summary
The existing open-circuit wave traps have an unoptimized switching tap method when adjusting the ratio of high and low reactance components and circuit parameters, resulting in slow function implementation.
The multi-tap open-circuit wave trap includes a main coil, tuning device, switching device and protection device. It achieves fast tap switching connection through control chip and magnetic connector, and ensures stable connection by using magnetic connector and limit groove structure.
It enables rapid switching of the blocking frequency of the multi-tap open line wave trap, improves the resistance of the tuning device to impulse overvoltage, reduces conductor eddy current loss, and reduces outdoor swaying.
Smart Images
Figure CN223912482U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a wave trap technology field especially relates to a multi-tap open circuit wave trap. BACKGROUND
[0002] Open circuit wave trap is an important power equipment, mainly used in carrier communication and high frequency protection in power system, usually in series with transmission line use, provide wave impedance for some specific frequency or frequency band, provide signal channel for power carrier communication. Wave trap is indispensable high frequency communication element for carrier communication and high frequency protection, it prevents high frequency current from leaking to other branches, plays the role of reducing high frequency energy loss.
[0003] When wanting to realize these conditions through adjusting wave trap, it needs to adopt the structure of multi-tap to realize, but because becoming the structure of multi-tap, the mode of switching connection tap also needs to be optimized to realize the desired function faster. UTILITY MODEL CONTENTS
[0004] The utility model discloses a kind of multi-tap open circuit wave traps of switching connection tap, to solve the shortcomings in prior art.
[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of multi-tap open type line wave trap, including main coil, tuning device, switching device, protection device and hanger, the tuning device and protection device are located in the middle space surrounded by the main coil and are connected in parallel with main coil, the tuning device includes insulating cylinder, control device and tap, the insulating cylinder wraps the control device, the control device is the tuning element specially used for wave trap, the tap is the connecting wire led out at different function connection of the control device, the switching device includes protective housing, magnetic connector, control chip and switch, the switch is located outside wave trap and is connected with the control chip by wire, the protective housing wraps other parts of switching device except the switch, the magnetic connector includes protective shell, magnetic suction end, limit slot and movable metal block, the shell wraps the whole magnetic connector, the magnetic suction end is a block electromagnet connected with the control chip, the limit slot is a metal groove, and the movable metal block is arranged in the limit slot, the movable metal block is composed of a big and small cylinder fixedly connected, and the lower end big cylinder is limited in the limit slot, and the upper end small cylinder is arranged on the upper end of the limit slot, the protective shell bottom is provided with a plurality of through holes, each hole is provided with a tap, the tap is connected with a limit slot fixed on the inner wall of hole, and the magnetic suction end of the other end of all magnetic connectors is connected with different pins of the control chip by wire, the control chip is connected with the external circuit of switching device by wire, the spiral coil is two layers of inner and outer spiral coils arranged in parallel, the fixing device includes support insulating member and fixed block, and the hanger is cross-shaped and mounted on the upper and lower bottom surfaces of the main coil and is fixedly connected with the support insulating member.
[0006] Preferably, the insulating cylinder is provided with two, one wraps the main capacitor in the control device, and the other wraps other parts, and the two insulating cylinders are connected in series to increase the insulation distance and improve the overall impact overvoltage resistance of the tuning device.
[0007] Preferably, the main coil includes a spiral coil and a fixing device, the support insulating member is arranged between each layer of the spiral coil, so that the layers do not directly contact each other, and the fixed block is arranged between the inner and outer support insulating members to fix them together.
[0008] Preferably, the spiral coil adopts a combined mode of multiple insulated wires, which reduces the eddy current loss of the wire.
[0009] Preferably, the protection device is a lightning arrester specially used for wave trap, which protects the wave trap used in outdoor environment, and the hanger is fixedly installed on the four branches of the cross-shaped hanger, and the hanger is used to connect the insulator string, so that the wave trap is connected in multiple directions to reduce the swinging of the wave trap in outdoor environment.
[0010] Compared with the prior art, the utility model discloses the beneficial effects are: through the switching device changes the different tap of tuning device and the main line connection, reached the quick switching multiple tap open type line wave trap wave frequency's purpose. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is the structure sectional view of the utility model multiple tap open type line wave trap;
[0012] Figure 2 It is the main coil overhead view of the utility model multiple tap open type line wave trap;
[0013] Figure 3 It is the switching device structure schematic view of the utility model multiple tap open type line wave trap;
[0014] Figure 4 It is the control chip connection drawing of the utility model multiple tap open type line wave trap. DETAILED DESCRIPTION
[0015] In order to make the personnel of the prior art better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application, such as Figure 1 And Figure 2 As shown in the figure, a multiple tap open type line wave trap includes a main coil 1, a tuning device 2, a switching device 3, a protection device 4 and a hanger 5, the main coil 1 includes a spiral coil 110 and a fixing device 120, the spiral coil 110 is a parallel two-layer inner and outer spiral arranged coil, the fixing device 120 includes a support insulating member 121 and a fixing block 122, the support insulating member 121 is arranged between each layer of the spiral coil 110, so that each layer of the coil does not directly contact, the fixing block 122 is arranged between the inner and outer layer support insulating members and fixes them together, the tuning device 2 and the protection device 4 are arranged in the central space surrounded by the main coil 1 and are parallel to the main coil 1, the tuning device 2 includes an insulating cylinder 210, a control device 220 and a tap 230, the insulating cylinder 210 wraps the control device 220, the control device 220 is a special tuning element for wave trap, the tap 230 is a connection wire led out at different function connection of the control device 220, the hanger 5 is cross-shaped and installed on the upper and lower bottom surface of the main coil 1, and is fixedly connected with the support insulating member 121.
[0016] As Figure 3As shown, the switching device 3 includes a protective shell 310, a magnetic connector 320, a control chip 330 and a switch 340, the switch 340 is arranged outside the wave choke, connected with the control chip 330 through wires, the protective shell 310 wraps the switching device 3 except the switch 340, the bottom of the protective shell 321 is provided with a plurality of through holes, each hole is provided with a tap 230 and a magnetic connector 320, the two ends of the magnetic connector 320 are connected with the tap 230 and the control chip 330 through wires respectively, the magnetic connector 320 includes a protective shell 321, a magnetic end 322, a limiting groove 323 and a movable metal block 324, the protective shell 321 wraps the whole magnetic connector 320, the magnetic end 322 is a block electromagnet connected with the control chip 330, whether it is powered on is controlled by the control chip 330, the limiting groove 323 is a metal groove, the inside is provided with the movable metal block 324, the movable metal block 324 is composed of a large and a small cylinder fixedly connected in sequence, the lower end of the large cylinder is limited in the limiting groove 323, and the upper end of the small cylinder is arranged at the upper end of the limiting groove 323, when the magnetic end 322 is not powered on, the movable metal block 324 does not contact with the magnetic end 322.
[0017] As shown in the figure, Figure 4 Each of the plurality of taps 230 corresponds to a limiting groove 323 of a magnetic connector 320, the magnetic ends 322 of all magnetic connectors 320 are connected with different pins of the control chip 330 through wires, the control chip 330 is connected with the switch 340 of the external circuit of the switching device 3 through wires, the switch is provided with a plurality of pins connected with different pins of the control chip 330, and different electrical signals are transmitted to the control chip 330 through different pins to control the connection of different taps.
[0018] In use, professional personnel go to the scene to determine the line related parameters, select the corresponding switch according to the specific parameters, the switch transmits the electrical signal to the pin of the connected control chip 330 through the wire, the control chip 330 transmits the electrical signal to the corresponding magnetic end 322 according to the electrical signal received by the different pins, the magnetic end 322 receives the electrical signal and generates magnetic force to attract the movable metal block 324, the movable metal block 324 contacts with the limiting groove 323, so that the magnetic connector 320 is in the connected state at this time, the tap 230 connected with the limiting groove 323 transmits the received electrical signal to the control device 220 to make it play the corresponding role, through the external switch and the switching device 3, the worker can easily complete the switching work of multiple taps.
[0019] The above descriptions are only the preferred embodiments of the present application, and are not intended to limit the present application. The present application can have various modifications and changes for those skilled in the art. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A multi-tapped open line trap comprising a main coil, tuning means, switching means, protection means and a hanger, characterized in that: The tuning device and the protection device are arranged in the middle space surrounded by the main coil and are connected in parallel with the main coil, the tuning device comprises an insulating cylinder, a control device and a tap, the insulating cylinder wraps the control device, the control device is a tuning element special for the wave trap, and the tap is a connecting wire led out at different function connection positions of the control device; the switching device comprises a protection shell, a magnetic connector, a control chip and a switch, the switch is arranged outside the wave trap and is connected with the control chip through wires, the protection shell wraps other parts of the switching device except the switch, the magnetic connector comprises a protection shell, a magnetic suction end, a limiting groove and a movable metal block, the protection shell wraps the whole magnetic connector, the magnetic suction end is a block of electromagnet tail connected with the control chip, the limiting groove is a metal groove, the movable metal block is arranged in the limiting groove, the movable metal block is composed of a large cylinder and a small cylinder fixedly connected in sequence, the lower end of the large cylinder is limited in the limiting groove, and the upper end of the small cylinder is arranged at the upper end of the limiting groove, the bottom surface of the protection shell is provided with a plurality of through holes, each through hole is provided with a tap, and the tap is connected with a limiting groove fixed on the inner wall of the through hole, and the magnetic suction end at the other end of all the magnetic connectors is connected with different pins of the control chip through wires; the main coil comprises a spiral coil and a fixing device, the spiral coil is a coil arranged in parallel in two layers of inner and outer spirals, and the fixing device comprises a supporting insulating member and a fixing block; the hanger is cross-shaped and is installed on the upper and lower bottom surfaces of the main coil and is fixedly connected with the supporting insulating member.
2. The multi-tap open line trap of claim 1, wherein: The two insulating cylinders are arranged in two positions, one wraps the main capacitor in the control device, and the other wraps other parts.
3. The multi-tap open line trap of claim 1, wherein: The supporting insulating member is arranged between the layers of the spiral coil, so that the layers of the spiral coil are not in direct contact with each other, and the fixing block is arranged between the supporting insulating members of the inner and outer layers and fixes them together.
4. The multi-tap open line trap of claim 1, wherein: The spiral coil adopts a combined mode of a plurality of insulated wires.
5. The multi-tap open line trap of claim 1, wherein: The protection device is a lightning arrester special for the wave trap, and hooks are fixedly installed on four branches of the cross-shaped hanger for connecting the insulator string.