Anti-interference structure for power line carrier communication

Abstract

The utility model relates to the technical field of power line carrier communication anti-interference, in particular to an anti-interference structure for power line carrier communication, which comprises a mounting seat, a resonator is mounted in the mounting seat, an anti-interference mechanism is mounted at the top of the mounting seat, and the anti-interference mechanism comprises a shell arranged on the surface of the mounting seat. A filter box is fixedly connected to the bottom wall of the shell, a first filter, a second filter and a third filter are sequentially installed on the inner side wall of the filter box, and a contact is fixedly connected to the end, close to the filter box, of the sliding block. According to the utility model, through the cooperation of the mounting seat and the anti-interference mechanism, the threaded rod is rotated to drive the sliding block and the contact to move in the adjusting box, so that the contact is adjusted among the first filter, the second filter and the third filter, and corresponding signals are emitted through the signal port to cooperate with the resonator in the mounting seat to complete anti-interference work. And the installation procedure is simplified on the basis of improving the adaptability.

Description

Technical Field

[0001] The utility model relates to the technical field of power line carrier communication anti-interference, and particularly relates to an anti-interference structure for power line carrier communication. Background Technique

[0002] Power line carrier is a unique communication method in the power system, which sends signals to the power line for transmission. This technology is mainly applied to automatic meter reading systems for water, gas, electricity meters, etc., intelligent community home systems, distribution network automation, Internet access, etc. Since the frequencies used for communication are generally above several hundred kilohertz, it can avoid the interference of 50 Hz power frequency current. It has a series of advantages such as less investment, short construction period, simple equipment, communication security, good real-time performance, no relay, and long communication distance.

[0003] After retrieval, the patent document with the publication number CN219477968U proposes an anti-interference structure for power line carrier communication: The utility model discloses an anti-interference wave modulation device for power line carrier communication, including a fixing plate. Two slots are opened on the upper surface of the fixing plate. Each slot is internally provided with a plug. The upper surfaces of the two plugs are fixedly connected together with a signal anti-interference device. A jack is opened on the front surface of each plug. The bottom surface of the fixing plate is fixedly connected with a connecting plate. The front surface and the back surface of the connecting plate are both fixedly connected with a fixing cylinder. The inner wall of each fixing cylinder is fixedly connected with a spring. Through the cooperation of the fixing cylinder, spring, inserting rod, plug, slot and jack set in the utility model, by using the elasticity of the spring, the inserting rod can be pushed, and the inserting rod can be pushed into the jack to form the fixation of the plug, and it is also convenient for the staff to disassemble the signal anti-interference device, which will reduce the time for the staff to repair it, thus solving the problem of poor communication caused by the pulse interference generated in the alternating current cycle.

[0004] In the process of using the above technical solution, the anti-interference structure is composed of a filter and a resonator. As the number of used frequency bands is increasing, it is necessary to conduct pre-tests during use to match the corresponding filter, thereby reducing the work efficiency.

[0005] Therefore, it is very necessary to invent an anti-interference structure for power line carrier communication to solve the above problems. Content of the Utility Model

[0006] The purpose of the utility model is to provide an anti-interference structure for power line carrier communication, which simplifies the installation process of the anti-interference structure through the cooperation of the mounting seat and the anti-interference mechanism, so as to solve the problem that as the number of used frequency bands is increasing, it is necessary to conduct pre-tests during use to match the corresponding filter, thereby reducing the work efficiency in the prior art.

[0007] To achieve the above object, the present utility model provides the following technical solution: An anti-interference structure for power line carrier communication, including a mounting base, a resonator is installed inside the mounting base, and an anti-interference mechanism is installed on the top of the mounting base. The anti-interference mechanism includes a housing disposed on the surface of the mounting base. A filter box is fixedly connected to the bottom wall of the housing. A first filter, a second filter, and a third filter are sequentially installed on the inner side wall of the filter box. An adjustment box is fixedly connected to the inner side wall of the housing. A threaded rod is rotatably connected to the inner side wall of the adjustment box. One end of the threaded rod extends to the outside of the adjustment box and is fixedly connected to a handle at the end of the threaded rod outside the adjustment box. A sliding block is threadedly connected to the outer side wall of the threaded rod. One end of the sliding block close to the filter box is fixedly connected to a contact. By rotating the threaded rod to drive the contact to adjust between the first filter, the second filter, and the third filter, the structure can adapt to different channels.

[0008] Preferably, signal ports are fixedly connected to both ends of the mounting base. The sliding block slides inside the adjustment box. Two insulating sliding platforms are fixedly connected to one end of the filter box close to the adjustment box to limit the movement posture through the adjustment box.

[0009] Preferably, the two insulating sliding platforms are respectively fixedly connected between the first filter and the second filter, and between the second filter and the third filter. The height of the contact is consistent with the center of the first filter, and the contact is electrically connected to the signal port. The cooperation of the insulating sliding platform and the contact improves the protection of the contact.

[0010] Preferably, one group of the signal ports far from the adjustment box is electrically connected to one end of the first filter, the second filter, and the third filter. An inner groove is opened at the bottom of the mounting base, and two mounting grooves are opened at the top of the mounting base to improve the space utilization rate by using the inner groove.

[0011] Preferably, a socket is installed inside the mounting groove. A limiting groove is opened on one side of the socket. Four mounting feet are fixedly connected to the bottom end of the mounting base, and bolts are threadedly connected to the surfaces of the mounting feet so that it can cooperate with subsequent parts.

[0012] Preferably, a telescopic rod is clamped inside the limiting groove of the socket. One end of the telescopic rod far from the socket is fixedly connected to a connecting seat, and the connecting seat is fixedly connected to the inner side wall of the inner groove. A limiting spring is sleeved on the outer side wall of the telescopic rod. The telescopic rod is driven by the limiting spring to be clamped with the mounting groove to achieve limiting.

[0013] In the above technical solution, the technical effects and advantages provided by the present utility model are:

[0014] 1. Through the cooperation of the mounting base and the anti-interference mechanism, rotate the threaded rod to drive the sliding block and the contact to move inside the adjustment box, so that the contact is adjusted between the first filter, the second filter and the third filter, and the corresponding signal is transmitted through the signal port to cooperate with the resonator inside the mounting base to complete the anti-interference work, which simplifies the installation procedure on the basis of improving its adaptability;

[0015] 2. Through the cooperation of parts such as the inner groove and the connecting seat, the telescopic rod is telescoped by using the limiting spring, and the limiting spring is driven by the telescopic rod to complete the clamping of the limiting spring and the installation groove, so as to realize the limitation of the socket, and further realize the installation of the anti-interference mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a schematic diagram of the overall first perspective structure of the present utility model;

[0018] Figure 2 It is a schematic diagram of the overall second perspective structure of the present utility model;

[0019] Figure 3 For the Figure 1 magnified structure schematic diagram at A in the present utility model;

[0020] Figure 4 For the Figure 2 magnified structure schematic diagram at B in the present utility model.

[0021] DESCRIPTION OF THE REFERENCE NUMERALS:

[0022] 1. Mounting base; 2. Anti-interference mechanism; 201. Outer shell; 202. Filter box; 203. First filter; 204. Second filter; 205. Third filter; 206. Adjustment box; 207. Threaded rod; 208. Sliding block; 209. Contact; 3. Signal port; 4. Mounting foot; 5. Inner groove; 6. Connecting seat; 7. Socket; 8. Installation groove; 9. Telescopic rod; 10. Limiting spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the following will further introduce the present utility model in detail in conjunction with the drawings.

[0024] The present utility model provides as Figures 1-4An anti-interference structure for power line carrier communication is shown, including a mounting base 1. A resonator is installed inside the mounting base 1, and an anti-interference mechanism 2 is installed on the top of the mounting base 1. The anti-interference mechanism 2 includes a housing 201 provided on the surface of the mounting base 1. A filter box 202 is fixedly connected to the bottom wall of the housing 201. Anti-interference work is achieved through the cooperation of the resonator and the internal components of the filter box 202. The inner side wall of the filter box 202 is successively installed with a first filter 203, a second filter 204 and a third filter 205 to adapt to the work of different channels. The inner side wall of the housing 201 is fixedly connected with an adjustment box 206. A threaded rod 207 is rotatably connected to the inner side wall of the adjustment box 206. One end of the threaded rod 207 extends outside the adjustment box 206 and a handle is fixedly connected to the end of the threaded rod 207 located outside the adjustment box 206. A sliding block 208 is threadedly connected to the outer side wall of the threaded rod 207. One end of the sliding block 208 close to the filter box 202 is fixedly connected with a contact 209. By rotating the threaded rod 207, the contact 209 is driven to adjust between the first filter 203, the second filter 204 and the third filter 205, so that the structure can adapt to different channels. Signal ports 3 are fixedly connected to both ends of the mounting base 1. The sliding block 208 slides inside the adjustment box 206. Two groups of insulating sliding platforms are fixedly connected to one end of the filter box 202 close to the adjustment box 206. The movement attitude of the sliding block 208 is restricted by the adjustment box 206. The two groups of insulating sliding platforms are respectively fixedly connected between the first filter 203 and the second filter 204, and between the second filter 204 and the third filter 205. The height of the contact 209 is the same as the center of the first filter 203 and the contact 209 is electrically connected to the signal port 3. The protection of the contact 209 is improved through the cooperation of the insulating sliding platform and the contact 209. One group of the signal ports 3 far from the adjustment box 206 is electrically connected to one end of the first filter 203, the second filter 204 and the third filter 205. Through the cooperation of the mounting base 1 and the anti-interference mechanism 2, rotating the threaded rod 207 drives the sliding block 208 and the contact 209 to move inside the adjustment box 206, so that the contact 209 is adjusted between the first filter 203, the second filter 204 and the third filter 205, and the corresponding signal is transmitted through the signal port 3 to complete the anti-interference work in cooperation with the resonator inside the mounting base 1, simplifying the installation procedure while improving its adaptability.

[0025] Refer to the attached drawings of the specification Figures 1-4, an inner groove 5 is provided at the bottom of the mounting base 1, and two sets of mounting grooves 8 are provided at the top of the mounting base 1. The inner groove 5 is used to improve the space utilization rate. A socket 7 is installed inside the mounting groove 8. A limiting groove is provided on one side of the socket 7. Four mounting feet 4 are fixedly connected to the bottom end of the mounting base 1, and bolts are threadedly connected to the surfaces of the mounting feet 4 so that it can cooperate with subsequent parts. A telescopic rod 9 is clamped inside the limiting groove of the socket 7. One end of the telescopic rod 9 away from the socket 7 is fixedly connected to a connecting seat 6, and the connecting seat 6 is fixedly connected to the inner side wall of the inner groove 5. A limiting spring 10 is sleeved on the outer side wall of the telescopic rod 9. The limiting spring 10 extends towards both ends in the natural state. The telescopic rod 9 is driven by the limiting spring 10 to be clamped with the mounting groove 8 to achieve limiting. Through the cooperation of parts such as the inner groove 5 and the connecting seat 6, the telescopic rod 9 is telescoped by the limiting spring 10, and the limiting spring 10 is driven by the telescopic rod 9 to complete the clamping of the limiting spring 10 with the mounting groove 8, thereby realizing the limiting of the socket 7, and further realizing the installation of the anti-interference mechanism 2.

[0026] The working principle of this utility model:

[0027] Refer to the attached instruction Figures 1-4 , when it is necessary to install the anti-interference mechanism 2, through the cooperation of parts such as the inner groove 5 and the connecting seat 6, first insert the socket 7 into the inside of the mounting groove 8. The telescopic rod 9 is telescoped by the limiting spring 10, and the limiting spring 10 is driven by the telescopic rod 9 to complete the clamping of the limiting spring 10 with the mounting groove 8, thereby realizing the limiting of the socket 7, and further realizing the installation of the anti-interference mechanism 2. Subsequently, according to the actual situation, rotate the threaded rod 207 to drive the sliding block 208 and the contact 209 to move inside the adjustment box 206, so that the contact 209 is adjusted between the first filter 203, the second filter 204 and the third filter 205, and the corresponding signal is transmitted through the signal port 3 to cooperate with the resonator inside the mounting base 1 to complete the anti-interference work, which simplifies the installation procedure on the basis of improving its adaptability.

[0028] Only some exemplary embodiments of the present utility model are described by way of illustration above. Undoubtedly, for those of ordinary skill in the art, without departing from the spirit and scope of the present utility model, the described embodiments can be modified in various different ways. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present utility model.

Claims

1. An anti-interference structure for power line carrier communication, comprising a mounting base (1), characterized in that: A resonator is installed inside the mounting base (1), and an anti-interference mechanism (2) is installed on the top of the mounting base (1). The anti-interference mechanism (2) includes a housing (201) disposed on the surface of the mounting base (1). A filter box (202) is fixedly connected to the bottom wall of the housing (201). A first filter (203), a second filter (204), and a third filter (205) are sequentially installed on the inner side wall of the filter box (202). An adjustment box (206) is fixedly connected to the inner side wall of the housing (201). A threaded rod (207) is rotatably connected to the inner side wall of the adjustment box (206). One end of the threaded rod (207) extends outside the adjustment box (206), and a handle is fixedly connected to the end of the threaded rod (207) located outside the adjustment box (206). A sliding block (208) is threadedly connected to the outer side wall of the threaded rod (207). A contact (209) is fixedly connected to the end of the sliding block (208) close to the filter box (202).

2. The anti-interference structure for power line carrier communication according to claim 1, wherein: Signal ports (3) are fixedly connected to both ends of the mounting base (1). The sliding block (208) slides inside the adjustment box (206). Two groups of insulating sliding platforms are fixedly connected to one end of the filter box (202) close to the adjustment box (206).

3. The anti-interference structure for power line carrier communication according to claim 2, characterized in that: The two groups of insulating sliding platforms are respectively fixedly connected between the first filter (203) and the second filter (204), and between the second filter (204) and the third filter (205). The height of the contact (209) is the same as the center of the first filter (203), and the contact (209) is electrically connected to the signal port (3).

4. The anti-interference structure for power line carrier communication according to claim 2, characterized in that: One group of the signal ports (3) far from the adjustment box (206) is electrically connected to one ends of the first filter (203), the second filter (204), and the third filter (205). An inner groove (5) is opened at the bottom of the mounting base (1), and two groups of mounting grooves (8) are opened at the top of the mounting base (1).

5. An anti-interference structure for power line carrier communication according to claim 4, characterized in that: A socket (7) is installed inside the mounting groove (8). A limiting groove is opened on one side of the socket (7). Four groups of mounting feet (4) are fixedly connected to the bottom end of the mounting base (1), and bolts are threadedly connected to the surfaces of the mounting feet (4).

6. The anti-interference structure for power line carrier communication according to claim 5, characterized in that: A telescopic rod (9) is clamped inside the limiting groove of the socket (7). One end of the telescopic rod (9) far from the socket (7) is fixedly connected to a connecting seat (6), and the connecting seat (6) is fixedly connected to the inner side wall of the inner groove (5). A limiting spring (10) is sleeved on the outer side wall of the telescopic rod (9).

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