CN105759092B - A kind of electric energy metering wiring box - Google Patents

Abstract

The invention provides an electric energy metering junction box to solve the technical problem that electricity thieves use the junction hole of the electric energy metering junction box to steal electricity. It includes a bottom box, a cover plate, a closed valve mechanism and a control system; the box wall is provided with a closed valve mechanism groove for installing a closed valve mechanism; the closed valve mechanism includes a valve, a sliding groove, a gear and a micro motor; The valve includes an upper valve and a lower valve; the lower part of the upper valve is provided with a rubber card protrusion; the sliding groove is fixedly installed in the groove of the closed valve mechanism; the upper part of the lower valve is provided with a rubber card groove; The control system includes single-chip microcomputer, remote control lock and sensing device. The beneficial effect of the invention is that electricity thieves cannot steal electricity through the wiring hole.

Description

A junction box for electric energy metering

technical field

The invention relates to the technical field of electric power junction boxes, in particular to an electric energy metering junction box.

Background technique

Electric energy metering junction boxes are widely used in the power industry. By changing the position of the connecting piece inside the junction box, the internal wiring structure can be changed to form different circuits. Therefore, in real life, many people are willing to take risks. Private wiring to achieve the purpose of stealing electricity. The commonly used method of stealing electricity is to use thin rods and other items from the wiring hole on the side of the bottom box to move the connecting piece inside the box to change the circuit structure, so as to achieve the purpose of stealing electricity. Therefore, it is necessary to develop a new wiring box to avoid the possibility of electricity theft.

Contents of the invention

The object of the present invention is to provide an electric energy metering junction box to solve the technical problem that electricity thieves use the junction hole of the electric energy metering junction box to steal electricity.

The technical solution adopted by the present invention to solve the technical problems is: an electric energy metering junction box, including a bottom box, a cover plate, a closed valve mechanism and a control system; The closed valve mechanism groove of the valve mechanism; the front side and the rear side of the joint wall are respectively provided with wiring holes; the joint wall is provided with bolt holes for fixing the cover plate, and the bottom box and the cover plate are screwed together;

The closed valve mechanism includes valves, sliding grooves, gears and micro motors;

The valve includes an upper valve and a lower valve, and the upper valve includes an upper valve cross arm, an upper valve vertical rod and an upper valve closing cover; the right end of the upper valve cross arm and the upper end of the upper valve vertical rod Fixed connection; the distribution distance of the upper valve closing cover corresponding to the wiring holes on the closing wall is evenly distributed on the upper valve cross arm; the upper end of the upper valve closing cover is fixed on the upper valve cross arm; the upper valve The lower part of the closing cover is provided with a rubber card protrusion; the upper valve vertical rod is slidably installed on the upper part of the sliding groove, and the outer surface of the upper valve vertical rod is provided with an upper rack, and the upper valve vertical rod is provided with a lower notch at the bottom;

The sliding groove is fixedly installed in the groove of the closed valve mechanism;

The lower valve is located below the upper valve and includes a lower valve cross arm, a lower valve vertical rod and a lower valve closing cover; the lower valve closing cover corresponds to the upper valve closing cover and is evenly distributed on the lower valve cross arm; The lower end of the lower valve closing cover is fixed on the lower valve cross arm, and the upper part of the lower valve closing cover is provided with a rubber slot; the right end of the lower valve cross arm is fixedly connected to the lower end of the lower valve vertical rod; The lower valve vertical rod is slidably installed on the bottom of the sliding groove; the outer side of the lower valve vertical rod is provided with a lower rack; the upper end of the lower valve vertical rod is provided with a The upper bump corresponding to the lower notch on the outer side of the bottom end of the vertical bar;

The gears include an upper gear and a lower gear, and the micromotor includes an upper first micromotor and a lower second micromotor, the output shaft of the first micromotor is fitted with an upper gear, and the upper gear is connected to the The upper rack meshes; the output shaft of the second micro-motor in the lower part is fitted with a lower gear, and the lower gear meshes with the lower rack;

The control system includes a single-chip microcomputer, a remote control lock and a sensing device; the sensing device includes an infrared LED lamp and an infrared receiving chip, and the infrared LED lamp is fixedly installed on the inner side of the lower gap at the bottom end of the upper valve vertical rod; the The above-mentioned infrared receiving chip is fixedly installed on the inner side of the protrusion on the vertical rod of the lower valve; the single-chip microcomputer is provided with a wireless signal receiving end, and the wireless signal receiving end is used to receive the signal sent by the remote control lock and the signal sent by the infrared receiving chip. Signal; the signal output end of the single-chip microcomputer is connected with the first micro-motor and the second micro-motor through wires.

The combined wall includes a left combined wall and a right combined wall, the inner sides of the left combined wall and the right combined wall are respectively provided with a fixing plate, and a bottom box for fixing the cover plate is arranged inside the fixed plate Bolt hole.

A control system protection box is provided on the outer side of the right closing wall.

The cover plate and the bottom box are sealed with a seal.

The two sides of the upper valve vertical rod are processed with an outer "eight"-shaped slope; the two sides of the lower valve vertical rod are processed with an outer "eight"-shaped slope.

The sliding groove is a dovetail groove.

Both the bottom box and the cover plate are made of transparent insulating material.

The beneficial effect of the present invention is: because the connection hole of the electric energy metering junction box is designed with a closed valve mechanism, when the connection of the electric energy metering junction box is completed, the closed valve mechanism is closed by intelligent control means, so that the connection hole is completely closed; Without the remote control lock, the wiring hole cannot be opened. Electricity thieves will not be able to use the thin rod to pass through the wiring hole to stir the connecting piece inside the box body like this, that is, the internal wiring structure of the electric energy metering junction box can not be changed to steal electricity. Use the seal to seal the cover and the bottom box. When a power thief wants to steal electricity by opening the cover, he must destroy the seal and be discovered.

Description of drawings

Fig. 1 is the overall structural diagram of the embodiment of the present invention;

Fig. 2 is a structural diagram of a bottom box in an embodiment of the present invention;

Fig. 3 is a partial enlarged view of place B in Fig. 2;

Fig. 4 is A-A rotation sectional view among Fig. 2;

Fig. 5 is a diagram of the open working state of the closed valve mechanism in the embodiment of the present invention;

Figure 6 is a diagram of the closed working state of the closed valve mechanism in the embodiment of the present invention;

Figure 7 is a rear view of Figure 5;

Fig. 8 is the front view of Fig. 6;

In the figure: 1. Bottom box; 2. Cover plate; 3. Valve groove; 4. Transmission mechanism groove; 5. Wiring hole; 6. Fixed plate; 7. Control system protection box; 8. Slide groove; 9. Upper valve Cross arm; 10. Upper valve vertical rod; 11. Upper valve closing cover; 12. Lower gap; 13. Upper rack; 14. Rubber protrusion; 15. Lower valve cross arm; 16. Lower valve vertical rod; 17. Lower valve closure cover; 18. upper bump; 19. lower rack; 20. rubber slot; 21. upper gear; 22. lower gear; 23. first micro motor; 24. second micro motor; 25. infrared Transmitting LED lights; 26. Infrared receiving chip.

detailed description

As shown in Fig. 1, an electric energy metering junction box includes a bottom box 1, a cover plate 2, a closed valve mechanism and a control system.

The bottom box 1 includes a closing wall, and the closing wall includes a front closing wall and a rear closing wall, and the front closing wall and the rear closing wall are all provided with a closed valve mechanism groove for installing a closed valve mechanism , the front side wall and the rear side wall are all equipped with a closed valve mechanism. As shown in Figure 2 and Figure 3, the closed valve mechanism groove includes a valve groove 3 and a transmission mechanism groove 4; the valve groove 3 is a rectangular groove and is respectively arranged in the front side wall and the rear side wall; The transmission mechanism groove 4 is arranged on one side of the valve groove 3, and the outer groove wall of the transmission mechanism groove 4 is provided with bolt holes; as shown in Figures 1 and 2, the front side wall and the Wiring holes 5 are respectively provided on the rear side wall, and the wiring holes 5 are through holes, and the external wires of the electric energy metering junction box are connected to the wiring terminals inside the electric energy metering junction box through the described wiring holes 5 . Described closing wall comprises left side closing wall and right side closing wall, and the inner side of described left side closing wall and right side closing wall is respectively provided with fixing plate 6, and described fixing plate 6 is provided with for fixing cover plate 2 The bolt holes of the bottom box, the fixed plate 6 is arranged on the inner side of the left side wall and the right side wall, so that the fixed plate 6 can fully contact the bottom of the bottom box 1, and the firmness of the fixed plate 6 is enhanced; The outer side of the side wall is provided with a control system protection box 7, and the control system protection box 7 is mainly used for installing and protecting the control system from external environment;

As shown in FIG. 1 , a cover plate 2 is correspondingly arranged above the bottom box 1 , and the inner sides of both ends of the cover plate 2 are respectively provided with cover plate bolt holes corresponding to the bottom box bolt holes. Both the bottom box 1 and the cover plate 2 are made of transparent insulating material, which can not only facilitate the detection of the internal connection mode, but also have a good electrical insulation protection function.

The closed valve mechanism includes valves, slide grooves 8, gears and micro motors.

As shown in Figures 4 and 5, the valve includes an upper valve and a lower valve, and the upper valve includes an upper valve cross arm 9, an upper valve vertical rod 10 and an upper valve closing cover 11; Bear 9 is a rectangular cross arm, the left end of the upper valve cross arm 9 is fixedly welded with the upper end of the upper valve vertical rod 10, and the upper valve vertical rod 10 plays the role of fixedly connecting the upper valve cross arm 9. As shown in Figure 5, the two sides of the upper valve vertical bar 10 are processed with an outer "eight"-shaped inclined surface for cooperating with the sliding groove 8; the outer side of the bottom end of the upper valve vertical bar 10 is provided with a lower gap 12, The lower notch 12 is a rectangular notch; the outer surface of the upper valve vertical rod 10 is provided with an upper rack 13, and the upper rack 13 is used for meshing transmission.

As shown in Figures 4 and 5, the upper valve closure cover 11 has a rectangular shape, and the lower part of the upper valve closure cover 11 is provided with a rubber protrusion 14, and the rubber protrusion 4 is used to connect with the lower valve. The upper end of the upper valve sealing cover 11 is fixed on the upper valve cross arm 9, and there are multiple upper valve sealing covers 11, corresponding to the distribution of the wall wiring holes 5, and the upper valve sealing cover 11 is evenly distributed On the upper valve cross arm 9. As shown in Figures 6 and 8, when the upper valve moves down to the end position, the lower edge of the rubber protrusion 14 at the lower end of the upper valve closing cover 11 is flush with the lower edge of the wiring hole 5; The center position of the lower notch 12 is flush with the center position of the wiring hole 5 .

The sliding groove 8 is a dovetail groove, and the sliding groove 8 is fixedly installed on the inner surface of the outer wall of the transmission mechanism groove 4, and passes through the bolt holes on the outer groove wall of the transmission mechanism groove 4 Screwed connection; the upper valve vertical rod 10 is slidably mounted on the upper part of the sliding groove 8 .

As shown in Figures 4 and 5, the lower valve is located below the upper valve, including the lower valve cross arm 15, the lower valve vertical rod 16 and the lower valve closing cover 17; the lower valve cross arm 15 is a rectangular Cross arm, the left end of the lower valve cross arm 15 is fixedly welded with the lower end of the lower valve vertical rod 16, and the lower valve vertical rod 16 plays the role of fixedly connecting the lower valve cross arm 15. The lower valve vertical bar 16 is processed with an outer "eight"-shaped inclined surface on both sides, and is used for cooperating with the slide groove 8 for installation; the outer side of the upper end of the lower valve vertical bar 16 is provided with an upper protrusion 18, and the The upper protrusion 18 is arranged corresponding to the lower gap 12 outside the bottom end of the upper valve vertical rod 10, and the upper protrusion 18 is rectangular; the outer surface of the lower valve vertical rod 16 is provided with a lower rack 19, the lower rack 19 is used for meshing transmission.

The lower valve closing cover 17 is rectangular, and the upper part of the lower valve closing cover 17 is provided with a rubber card groove 20 matched with the lower rubber protrusion 14 of the upper valve closing cover 11. , the rubber card protrusion 14 is inserted into the rubber card groove 20 .

As shown in Figure 5 and Figure 6, the lower end of the lower valve closing cover 17 is fixed on the lower valve cross arm 15, and there are multiple lower valve closing covers 17, corresponding to the distribution of the wall connection holes 5, the lower valve Closing cover 17 is distributed on lower valve cross arm 15. When the lower valve moves up to the terminal position, the upper edge of the rubber slot 20 on the upper end of the lower valve closing cover 17 is flush with the upper edge of the wiring hole 5; The central positions of the wiring holes 5 are flush.

When the lower valve moves up to the end position, and when the upper valve moves down to the end position, when there is no wire passing through the wiring hole 5, the rubber protrusion 14 at the lower end of the upper valve closing cover 11 will be inserted into the In the rubber slot 20 at the upper end of the lower valve closing cover 17 described above, that is, the wiring hole 5 is completely closed. Due to the plug-in cooperation between the rubber card protrusion 14 and the rubber card slot 20, the electricity thief cannot use the thin rod to pass through the wiring hole to move the connecting piece inside the box body, that is, the internal wiring structure of the electric energy metering junction box cannot be changed to steal electricity. .

In the case where wires pass through the wiring hole 5, since the rubber protrusion 14 at the lower end of the upper valve closing cover 11 and the rubber locking groove 20 at the upper end of the lower valve closing cover 17 are both flexible parts, during the downward movement of the upper valve, The rubber clamping protrusion 14 is squeezed and deformed by the wire, and the lower end surface of the rubber clamping protrusion 14 forms an arched surface tightly hugging the upper surface of the wire; when the lower valve moves up, the rubber clamping groove 20 is squeezed and deformed by the wire, and the rubber clamping The upper end surface of the slot 20 forms an arched surface tightly hugging the lower surface of the wire. That is, the rubber locking protrusion 14 and the rubber locking groove 20 completely seal the interface of the wires in the wiring hole 5 . Therefore, electricity thieves cannot steal electricity through the interface of the wire.

As shown in Fig. 4, Fig. 5, Fig. 6 and Fig. 7, described gear comprises upper gear 21 and lower gear 22, and described micromotor comprises upper first micromotor 23 and bottom second micromotor 24, and described The output shaft of the first micro-motor 23 is set on the upper gear 21, and the upper gear 21 is engaged with the upper rack 13; the output shaft of the second micro-motor 24 is set on the lower gear 22, and the lower gear 22 Mesh with the said lower rack 19.

As shown in Fig. 5 and Fig. 7, described control system comprises single-chip microcomputer, remote control lock and sensing device; Described sensing device comprises infrared ray emitting LED lamp 25 and infrared ray receiving chip 26, and described infrared ray emitting LED lamp 25 is fixedly installed At the middle position inside the lower notch 12 at the bottom end of the upper valve vertical rod 10; the infrared receiving chip 26 is fixedly installed at the middle position inside the protrusion 18 on the lower valve vertical rod 16. The single-chip microcomputer is fixedly installed in the control system protection box 7, and the remote control lock is worn by the staff. The single-chip microcomputer is provided with a wireless signal receiving end, and the wireless signal receiving end is used to receive the signal sent by the remote control lock and the signal sent by the infrared receiving chip 26; the signal output end of the single-chip microcomputer is connected with the micro-motor through a wire.

When in use, after the electric energy metering junction box line is connected, the cover plate 2 and the bottom box 1 are screwed together by bolts, and the edge of the cover plate 2 and the bottom box 1 is sealed with a seal. If a person who steals electricity steals electricity by opening the cover to stir the connecting plate and changing the connection mode of the internal circuit, the seal must be destroyed. When the staff finds that the seal of the electric energy metering junction box is broken, it can be known that someone has carried out electricity theft. After the upper cover 2 and the bottom box 1 of the electric energy metering junction box are fixedly installed, the operation of closing the junction hole 5 is then carried out.

As shown in Figure 5, Figure 6 and Figure 8, the staff presses the closing button of the remote control lock, and the remote control lock sends a closing signal. 24 to issue a start signal. The first micro motor 23 drives the upper gear 21 to rotate counterclockwise, and the upper gear 21 meshes with the upper rack, and drives the upper valve vertical rod 10 to slide downward in the sliding groove 8. Since the upper valve passes through the upper valve cross arm 9 and the upper The valve vertical rod 10 is fixedly connected, so the upper valve will move downward as a whole; the second micro motor 24 drives the lower gear 22 to rotate clockwise, the lower gear 22 meshes with the lower rack 19, and drives the lower valve vertical rod 16 in the sliding groove 8 Sliding upwards, since the lower valve is fixedly connected with the lower valve vertical bar 16 through the lower valve cross arm 15, the lower valve will move upward as a whole.

When the upper protrusion 18 of the lower valve vertical rod 16 moved to the position of the lower gap 12 at the bottom of the upper valve vertical rod 10, the infrared receiving chip 26 of the upper protrusion 18 of the lower valve vertical rod 16 received The lower gap 12 at the end emits the infrared light of the LED lamp 25 through infrared rays. At this time, the infrared receiving chip 26 will send a signal, and after the single-chip microcomputer receives the signal, it sends a stop signal to the micro motor, that is, the lower valve moves to the end position, and the upper valve moves down to the end position, and the wiring hole 5 is closed. Electricity thieves will not be able to use the thin rod to pass through the wiring hole 5 to stir the connecting piece inside the box body, and change the circuit structure to steal electricity. When the electrical energy metering junction box needs to be re-wired, the opening button of the remote control lock can be pressed. After the single-chip microcomputer receives the signal, the micro-motor is reversed, and then the upper valve is moved upwards, and the lower valve is moved downwards. The wiring hole 5 is opened. Rewiring can then be done.

Claims (7)

1. An electric energy metering junction box is characterized in that it comprises a bottom box, a cover plate, a closed valve mechanism and a control system; the bottom box comprises a closing wall, and a closed valve mechanism groove for installing a closed valve mechanism is provided in the described closing wall The front side and the rear side of the combined wall are respectively provided with wiring holes; the combined wall is provided with bolt holes for fixing the cover plate, and the bottom box and the cover plate are screwed together; The closed valve mechanism includes valves, sliding grooves, gears and micro motors; The valve includes an upper valve and a lower valve, and the upper valve includes an upper valve cross arm, an upper valve vertical rod and an upper valve closing cover; the right end of the upper valve cross arm and the upper end of the upper valve vertical rod Fixed connection; the distribution distance of the upper valve closing cover corresponding to the wiring holes on the closing wall is evenly distributed on the upper valve cross arm; the upper end of the upper valve closing cover is fixed on the upper valve cross arm; the upper valve The lower part of the closing cover is provided with a rubber card protrusion; the upper valve vertical rod is slidably installed on the upper part of the sliding groove, and the outer surface of the upper valve vertical rod is provided with an upper rack, and the upper valve vertical rod is provided with a lower notch at the bottom; The sliding groove is fixedly installed in the groove of the closed valve mechanism; The lower valve is located below the upper valve and includes a lower valve cross arm, a lower valve vertical rod and a lower valve closing cover; the lower valve closing cover corresponds to the upper valve closing cover and is evenly distributed on the lower valve cross arm; The lower end of the lower valve closing cover is fixed on the lower valve cross arm, and the upper part of the lower valve closing cover is provided with a rubber slot; the right end of the lower valve cross arm is fixedly connected to the lower end of the lower valve vertical rod; The lower valve vertical rod is slidably installed on the bottom of the sliding groove; the outer side of the lower valve vertical rod is provided with a lower rack; the upper end of the lower valve vertical rod is provided with a The upper bump corresponding to the lower notch on the outer side of the bottom end of the vertical bar; The gears include an upper gear and a lower gear, and the micromotor includes an upper first micromotor and a lower second micromotor, the output shaft of the first micromotor is fitted with an upper gear, and the upper gear is connected to the The upper rack meshes; the output shaft of the second micro-motor in the lower part is fitted with a lower gear, and the lower gear meshes with the lower rack; The control system includes a single-chip microcomputer, a remote control lock and a sensing device; the sensing device includes an infrared LED lamp and an infrared receiving chip, and the infrared LED lamp is fixedly installed on the inner side of the lower gap at the bottom end of the upper valve vertical rod; the The above-mentioned infrared receiving chip is fixedly installed on the inner side of the protrusion on the vertical rod of the lower valve; the single-chip microcomputer is provided with a wireless signal receiving end, and the wireless signal receiving end is used to receive the signal sent by the remote control lock and the signal sent by the infrared receiving chip. Signal; the signal output end of the single-chip microcomputer is connected with the first micro-motor and the second micro-motor through wires. 2. A junction box for electric energy metering according to claim 1, wherein said closing wall comprises a left closing wall and a right closing wall, and the inner sides of said left closing wall and right closing wall are respectively A fixing plate is provided, and the fixing plate is provided with bottom box bolt holes for fixing the cover plate. 3. A junction box for electric energy metering according to claim 2, characterized in that a control system protection box is provided on the outer side of the right closing wall. 4. The electrical energy metering junction box according to claim 1, wherein the cover plate and the bottom box are sealed with a seal. 5. A junction box for electric energy metering according to claim 1, characterized in that, the two sides of the upper valve vertical rod are processed with an outer "eight"-shaped slope; the two sides of the lower valve vertical rod are processed There is an outer "eight"-shaped bevel. 6 . The electrical energy metering junction box according to claim 1 , wherein the sliding groove is a dovetail groove. 7 . 7. A junction box for electric energy metering according to claim 1, characterized in that both the bottom box and the cover plate are made of transparent insulating materials.