CN112858777B - A convenient tool for replacing the electricity meter in the electric energy metering box without power interruption - Google Patents

Abstract

The invention relates to the field of power equipment, in particular to a tool for replacing an ammeter in a portable electric energy metering box without power outage. The utility model provides an ammeter change instrument that does not have a power failure in portable electric-energy metering box, includes short circuit subassembly and operating assembly. The invention has convenient operation, can replace the ammeter under the condition of no power failure, does not cause burden to users, does not influence the electricity utilization experience of the users, does not increase the cost of manpower and material resources, and does not cause negative influence to power supply units.

Description

A convenient tool for replacing the electricity meter in the electric energy metering box without power interruption

technical field

The invention relates to the field of electric power equipment, in particular to a portable electric energy metering box in a non-stop replacement tool for electric meters.

Background technique

With the continuous improvement of people's living standards, the scope of use of electric energy energy continues to expand. At the same time, the acceleration of the smart grid process and the implementation of rural grid transformation projects have led to a significant increase in the use of electric energy meters, and the installation and replacement of electric energy meters frequently occur.

The current electricity meter needs to be cut off when replacing, which is troublesome to operate, which not only burdens the user and affects the user's electricity experience, but also increases the cost of manpower and material resources, which is easy to cause a negative impact on the power supply unit.

For example, the Chinese Patent Announcement No.: CN102981030A, a household smart meter announced on March 20, 2013, includes a box body, an electricity meter installed in the box, a master controller arranged in the electricity meter, and a box installed in the electricity meter. The circuit breaker and the display screen on the electric meter, the general controller is composed of an electric power acquisition module, an A\D converter, a control circuit, an MCU, a data communication module and a power supply module; the principle of the present invention is: through the electric power acquisition module The power is monitored in real time, and transmitted to the MCU through the A\D converter. The display screen and data communication module are used to transmit the data to the home computer terminal. The terminal shows that when the circuit breaker is disconnected, the circuit breaker can be remotely controlled to re-close through the household electric energy terminal; although it has the advantages of real-time electricity bill inquiry, remote control of the circuit breaker, and easy operation, the meter needs to be cut off when replacing it. The troublesome operation not only imposes a burden on the user and affects the user's power consumption experience, but also increases the cost of manpower and material resources, which is easy to cause a negative impact on the power supply unit.

SUMMARY OF THE INVENTION

The present invention is mainly aimed at the problem that the current electricity meter needs to be cut off when replacing, which is troublesome to operate, not only burdens the user, affects the user's electricity experience, but also increases the cost of manpower and material resources, and is easy to cause a negative impact on the power supply unit. The utility model relates to a tool for replacing the electric meter in a convenient electric energy metering box without power interruption, which can replace the electric meter under the condition of uninterrupted power supply. And will not negatively affect the power supply unit.

The purpose of the present invention is mainly achieved through the following solutions: a portable electric energy metering box in a non-stop replacement tool, including a short-circuit assembly and an operation assembly, the operation assembly includes an operation shell, and the operation A chute is arranged in the housing, a pressure slot is arranged in the operation housing corresponding to the chute, a pressure rod is slidably connected in the pressure groove, and the left and right sides of the chute are corresponding to the pressure rod and are slidably connected with a pressure rod. A horizontal bar, a return spring is connected between the two horizontal bars, a translation slot is correspondingly provided at both ends of the chute in the operating housing, a vertical bar is arranged in the translation slot, and one end of the vertical bar is Connected with the horizontal rod, the other end of the vertical rod extends to the outside of the operating housing and is provided with a clamping claw, the clamping claw is provided with a clamping groove, and the short-circuit assembly includes a short-circuit casing. An adjustment cavity is arranged in the shorting shell, one side of the shorting shell is respectively provided with two claw inlets corresponding to the two claws, and two claw inlets are arranged on the shorting shell between the two claw inlets. The other side of the short-circuit casing is provided with two short-circuit joints on the clamping wall matched with the card-slot, and two short-circuit pins are respectively set in the adjustment cavity corresponding to each short-circuit socket, two short-circuit joints. One end of the corresponding shorting pin located in the adjusting cavity is rotatably connected to the same conductive column, the shorting pin is rotatably connected with an adjusting rod, and the adjusting rods on the two corresponding shorting feet are connected to the same conductive column. On the support plate, the support plate is connected with the adjustment plate which is slidably connected with the adjustment cavity and matched with the clamping groove through the connecting rod, and a connecting ring is provided on the adjacent side of the two corresponding shorting feet. A tightening spring is connected between the corresponding two connecting rings, and both ends of the tightening spring are provided with connecting hooks matched with the connecting rings. The short-circuit assembly can short-circuit the meter, and the staff can control the short-circuit assembly through the operation assembly. The operation casing is provided with a chute, the corresponding chute in the operation shell is provided with a pressure groove, and the pressure groove is set perpendicular to the chute. The pressure groove is correspondingly arranged in the middle of the chute, a pressure rod is slidably connected in the pressure groove, the left and right sides of the chute are corresponding to the pressure rod and are slidably connected with a crossbar, and a return spring is connected between the two crossbars. The two ends of the chute in the casing are correspondingly provided with translation slots, and the translation slots are provided with vertical bars. The width of the translation slots is greater than the thickness of the vertical bars. One end of the vertical bars is connected to the horizontal bars, and the other end of the vertical bars extends to the operation shell. There are clamping claws outside the body, and the clamping claws are provided with clamping grooves. When the pressure rod moves in the pressure groove and touches the cross rod, it can drive the cross rod to move in the chute, and the cross rod can drive the connected vertical rod when moving. The rod moves in the translation slot at the same time, and the vertical rod drives the claws to move at the same time. The setting of the reset spring can drive the two horizontal rods to reset when the pressing rod is not subjected to external force. The short-circuit assembly includes a short-circuit casing. In the adjustment cavity, one side of the short-circuit casing is provided with two claw inlets corresponding to the two claws respectively, and between the two claw inlets is a clamping wall located on the short-circuit casing and matched with the clamping groove. , the other side of the short-circuit casing is provided with two short-circuit joints, and the adjustment cavity is provided with two short-circuit pins corresponding to each short-circuit interface. One end of the corresponding shorting pin located in the adjustment cavity is rotatably connected to the same conductive column, the conductive column is fixed in the shorting housing, and the four shorting pins are electrically connected to the incoming and outgoing lines of the live wire and the neutral wire respectively. terminal, so that the current does not pass through the meter, so that the meter can be short-circuited. Adjusting rods are rotatably connected to the shorting pins, and the adjustment rods on the corresponding two shorting pins are connected to the same support plate. The number of support plates in the housing is two. The support plate is connected with the adjustment plate which is slidably connected with the adjustment cavity and matched with the card slot through the connecting rod. The adjustment plate can drive the support plate to move through the connecting rod when moving, so that the support plate When the adjusting rod is driven to move, the inclination angle of the two corresponding shorting feet can be adjusted by the movement of the two corresponding adjusting rods, so as to facilitate the adjustment of the connection degree between the shorting feet and the live wire or the neutral wire. There is a certain frictional force with the side wall of the adjustment cavity, so as to prevent the adjustment plate from moving at will; connecting rings are provided on the adjacent sides of the two corresponding shorting pins, and the corresponding two connecting rings are A tightening spring is connected between the two ends, and both ends of the tightening spring are provided with connecting hooks matched with the connecting ring. With a certain spring force, when the tightening spring is installed between the two shorting pins, the inclination angle of the two shorting pins can be kept stable, so as to facilitate the connection between the shorting pin and the live and neutral wires on the meter. connection, the staff can also remove the tightening spring, so as to facilitate subsequent adjustment; specifically, when performing the operation of changing the meter without electricity, the staff first moves the short-circuit device, so that the four short-circuit pins on the short-circuit device are respectively Incoming and Neutral with Live and Neutral The outlet end is electrically connected, so that the meter is short-circuited, and then the staff can adjust the degree of contact between the short-circuit pin and the live wire or the neutral wire by operating the component, that is, the staff first presses the pressure rod, so that the pressure rod touches the two horizontal bars so that the horizontal rod drives the vertical rod to move at the same time, and the vertical rod drives the claw to move to the position corresponding to the claw inlet, and then the staff moves the operation shell so that the two claws enter the corresponding claw inlet. When moving to the position corresponding to the adjustment plate, the staff releases the pressure rod, so that the horizontal rods on both sides drive the vertical rod and the claw to reset under the action of the reset spring, so that the adjustment plate will be stuck in the slot when the claw moves. At this time, the staff can drive the adjustment rod to move by moving the operating shell, so that the inclination of the shorting pin can be adjusted after overcoming the spring force of the tightening spring, so as to adjust the contact between the shorting pin and the live or neutral line When the meter is short-circuited, the stability of the meter is high, and the safety of the staff when changing the meter is improved; when the staff wants to remove the short-circuit component, the staff will clamp the two claws into the clamping wall, and then it is safe to do so. It drives the entire short-circuit assembly to move, one operation assembly can be used with multiple short-circuit assemblies of the same specification, and the operation is convenient.

Preferably, the pressure rod is provided with an active guide surface corresponding to the cross bar, and the cross bar is provided with a driven guide surface matched with the active guide surface. An active guide surface is arranged on the pressure bar corresponding to the cross bar, and a driven guide surface matched with the active guide surface is arranged on the cross bar.

Preferably, both the active guide surface and the driven guide surface are arc-shaped surfaces. Both the active guide surface and the driven guide surface are arc-shaped surfaces, so that the pressure rod has good stability when it is pressed against the cross rod, and will not be stuck.

Preferably, an operating handle is provided at one end of the pressing rod away from the chute. An operating handle is provided at one end of the pressing rod away from the chute, which is convenient for the staff to drive the pressing rod to move through the operating handle.

Preferably, the shorting pins are made of galvanized copper material. The shorting pin is made of galvanized copper material, which has good conductivity.

Preferably, both the operating housing and the shorting housing are made of sheet molding compound. Both the operating housing and the shorting housing are made of sheet molding compound, which has properties such as heat resistance, flame retardancy, good mechanical strength, and high insulation, so that the safety of the staff when using the equipment is further improved. elevated.

Preferably, a transparent portion for observing the internal situation is provided on the shorting housing corresponding to the clamping wall and the adjusting plate. There are transparent parts on the shorting shell corresponding to the clamping wall and the adjustment plate for observing the internal situation. The transparent part is arranged so that the staff can observe the position of the adjustment plate and the clamping wall in the shorting shell, and it is convenient for the clamping claw. Snaps into adjustment plate or snap-in wall for easy access.

Preferably, the cross section of the pressing groove is rectangular, and the cross section of the pressing rod is also rectangular matching the pressing groove. The cross-section of the pressing groove is rectangular, and the cross-section of the pressing rod is also a rectangle matching the pressing groove, so that the pressing rod can only move along the length direction of the pressing groove and cannot be deflected, and the stability is good.

Therefore, a convenient tool for replacing the electricity meter in the electric energy metering box without power interruption has the following advantages: the present invention is convenient to operate, can replace the electric meter under the condition of uninterrupted power supply, does not cause a burden to the user, and does not affect the use of the user. Electric experience, will not increase the cost of manpower and material resources, and will not have a negative impact on the power supply unit, the contact degree between the shorting pin and the live wire or the neutral wire can be adjusted during operation, so that the stability of the meter is high when it is short-circuited, and the staff replacement is improved. Safety when metering.

Description of drawings

1 is a schematic structural diagram of the present invention.

Figure 2 is a cross-sectional view of the short-circuit assembly in the present invention.

Figure 3 is a cross-sectional view of the operating assembly of the present invention.

FIG. 4 is an enlarged view of A in FIG. 2 .

Illustration description: 1-operating component, 2-shorting component, 3-transparent part, 4-shorting pin, 41-adjusting spring, 42-connecting hook, 43-connecting ring, 5-shorting housing, 6 -Adjustment cavity, 7-Clamping wall, 8-Adjusting plate, 9-Connecting rod, 10-Support plate, 11-Adjusting rod, 12-Conducting column, 13-Short interface, 14-Operating housing, 15-Operating handle , 16-press groove, 17-press rod, 18-chute, 19-return spring, 20-cross rod, 21-vertical rod, 22-claw, 23-card slot, 24-active guide surface, 25-slave Moving guide surface, 26-translation groove, 27-into the claw.

Detailed ways

The technical solutions of the present invention will be further described in detail below through examples and in conjunction with the accompanying drawings.

Example 1:

As shown in Figures 1, 2, 3 and 4, a convenient tool for replacing the electricity meter without power failure in the electric energy metering box includes a shorting component 2 and an operating component 1. The shorting component 2 can short-circuit the electricity meter. The operating assembly 1 can control the shorting assembly 2, the operating housing 14 is provided with a chute 18, the corresponding chute 18 in the operating housing 14 is provided with a pressing groove 16, the pressing groove 16 is arranged perpendicular to the sliding groove 18, and the pressing groove 16 is correspondingly arranged in the middle of the chute 18, a pressure rod 17 is slidably connected in the pressure groove 16, and an operating handle 15 is provided at one end of the pressure rod 17 away from the chute 18, which is convenient for the staff to drive the pressure rod 17 through the operating handle 15. Move, the left and right sides of the chute 18 are corresponding to the pressing rod 17 and are slidably connected with the cross bar 20, the return spring 19 is connected between the two cross bars 20, and the two ends of the operating housing 14 located in the chute 18 are correspondingly provided with A translation slot 26, a vertical rod 21 is arranged in the translation slot 26, the width of the translation slot 26 is greater than the thickness of the vertical rod 21, one end of the vertical rod 21 is connected with the horizontal rod 20, and the other end of the vertical rod 21 extends to the outside of the operation housing 14 The clamping claw 22 is also provided, and the clamping claw 22 is provided with a clamping groove 23. When the pressing rod 17 moves in the pressing groove 16 and abuts on the cross bar 20, it can drive the cross bar 20 to move in the chute 18, and the cross bar 20 When moving, it can drive the connected vertical rods 21 to move in the translation slot 26 at the same time, and the vertical rods 21 drive the jaws 22 to move at the same time. The shorting assembly 2 includes a shorting housing 5, and an adjusting cavity 6 is arranged in the shorting housing 5. One side of the shorting housing 5 is provided with two claw inlets 27 corresponding to the two claws 22, respectively. Between the claw openings 27 is provided a clamping wall 7 which is located on the shorting housing 5 and is matched with the clamping slot 23 , and two shorting ports 13 are provided on the other side of the shorting housing 5 , corresponding to the inside of the adjustment cavity 6 Each short interface 13 is respectively provided with two shorting pins 4 , the number of shorting pins 4 in one shorting housing 5 is four, and one end of the two corresponding shorting pins 4 is located in the adjustment cavity 6 Rotationally connected to the same conductive column 12, the conductive column 12 is fixed in the shorting housing 5, and the four shorting pins 4 are electrically connected to the incoming and outgoing ends of the live wire and the neutral wire respectively, so that the current does not pass through the meter, Therefore, the electric meter can be short-circuited. The shorting pins 4 are all connected with adjustment rods 11 in rotation. There are two supporting plates 10 inside, the supporting plate 10 is connected with the adjusting plate 8 which is slidably connected with the adjusting cavity 6 and matched with the card slot 23 through the connecting rod 9. The adjusting plate 8 can be driven by the connecting rod 9 when moving. The supporting plate 10 moves, so that when the supporting plate 10 drives the adjusting rod 11 to move, the inclination angle of the two corresponding shorting feet 4 can be adjusted by the movement of the two corresponding adjusting rods 11 , thereby facilitating the adjustment of the shorting feet 4 The degree of connection with the live wire or the neutral wire, there is a certain friction between the adjustment plate 8 and the side wall of the adjustment cavity 6, so that the adjustment plate 8 can be prevented from moving at will ; The two corresponding shorting pins 4 are provided with connecting rings 43 on the adjacent side, and the two corresponding connecting rings 43 are connected with a tightening spring 41, and both ends of the tightening spring 41 are provided with The connecting hook 42 matched with the connecting ring 43, through the design of the connecting ring 43 and the connecting hook 42, the tightening spring 41 is detachably connected to the shorting pin 4, and the tightening spring 41 has a certain spring force. When the tight spring 41 is installed between the two shorting pins 4, the inclination angle of the two shorting pins 4 can be kept stable, thereby facilitating the electrical connection between the shorting pin 4 and the live wire and the neutral wire on the meter. The tightening spring 41 can be removed to facilitate subsequent adjustment; specifically, when performing the operation of changing the meter without electricity, the staff first moves the short-circuit device, so that the four short-circuit pins 4 on the short-circuit device are connected to the live wire and the live wire respectively. The incoming and outgoing ends of the neutral wire are electrically connected, so that the meter is short-circuited, and then the staff can adjust the degree of contact between the shorting pin 4 and the live wire or the neutral wire by operating the component 1, that is, the staff first presses the pressure rod 17, The pressure rod 17 is pressed against the two cross rods 20 so that the cross rod 20 drives the vertical rod 21 to move at the same time, and the vertical rod 21 drives the claw 22 to move to the position corresponding to the claw inlet 27, and then the staff moves to operate the housing. 14, so that the two claws 22 enter the corresponding claw inlets 27. When the claws 22 move to the position corresponding to the adjusting plate 8, the staff releases the pressing rod 17, so that the cross bars 20 on both sides are in the return spring. Under the action of 19, the vertical rod 21 and the clamping claw 22 are driven to reset, so that when the clamping claw 22 moves, the adjustment plate 8 will be stuck in the clamping slot 23. At this time, the staff can drive the adjustment rod 11 to move by moving the operation casing 14, Therefore, after overcoming the spring force of the tightening spring 41, the inclination of the shorting pin 4 can be adjusted, so as to adjust the contact degree between the shorting pin 4 and the live wire or the zero line, so that the stability of the meter is high when it is short-circuited, and the staff is improved. Safety when changing the meter; when the staff wants to remove the short-circuit assembly 2, the staff can securely drive the entire short-circuit assembly 2 to move by inserting the two claws 22 into the clamping wall 7, and one operation component 1 It can be used with multiple shorting components 2 of the same specification, and the operation is convenient.

The pressure rod 17 is provided with an active guide surface 24 corresponding to the cross bar 20, and the cross bar 20 is provided with a driven guide surface 25 that cooperates with the active guide surface 24. The setting of the active guide surface 24 and the driven guide surface 25 is convenient for the cross bar The 20 moves after being pushed by the pressure rod 17; the active guide surface 24 and the driven guide surface 25 are both arc surfaces, so that the pressure rod 17 has good stability when it touches the cross bar 20 and will not get stuck.

The shorting pin 4 is made of galvanized copper material, which has good electrical conductivity; the operating housing 14 and the shorting housing 5 are both made of sheet molding compound, which has heat resistance, flame retardant, good mechanical strength, etc. performance, and high insulation, so that the safety of workers when using the equipment is further improved.

The shorting housing 5 is provided with a transparent portion 3 for observing the internal conditions corresponding to the clamping wall 7 and the adjusting plate 8 . The setting of the transparent portion 3 is convenient for the staff to observe the adjusting plate 8 and the clamping wall 7 in the shorting housing 5 The position is convenient for the clamping claw 22 to be clamped into the adjusting plate 8 or the clamping wall 7, so as to facilitate the operation.

The cross section of the pressing groove 16 is rectangular, and the cross section of the pressing rod 17 is also a rectangle matching the pressing groove 16, so that the pressing rod 17 can only move along the length direction of the pressing groove 16 and cannot be deflected, and the stability is good.

It should be understood that this embodiment is only used to illustrate the present invention and not to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

Claims (8)

1. An uninterrupted replacement tool for an electric meter in a portable electric energy metering box, characterized in that it includes a short-circuit assembly and an operation assembly, and the operation assembly includes an operation casing, and the operation casing is provided with a chute, so The operating housing is provided with a pressure groove corresponding to the chute, a pressure rod is slidably connected in the pressure groove, the left and right sides of the sliding groove are corresponding to the pressure rod and are slidably connected with a crossbar, and the two crossbars are slidably connected. A return spring is connected between the two ends of the operating housing, and translation grooves are correspondingly provided at both ends of the chute, and a vertical rod is arranged in the translation groove. The other end of the vertical rod extends to the outside of the operating housing and is provided with a clamping claw, the clamping claw is provided with a clamping slot, and the short-circuit assembly includes a short-circuit casing, and the short-circuit casing is provided with an adjustment cavity One side of the shorting housing is provided with two claw inlets corresponding to the two claws respectively, and between the two claw inlets there is a snap connection which is located on the shorting housing and is matched with the slot. wall, the other side of the shorting shell is provided with two shorting ports, the adjusting cavity is provided with two shorting pins corresponding to each shorting port, and the two corresponding shorting pins are located at One end of the adjustment cavity is rotatably connected to the same conductive column, the shorting legs are rotatably connected with adjustment rods, and the adjustment rods on the corresponding two shorting legs are connected to the same support plate, and the support The plate is connected with an adjustment plate which is slidably connected with the adjustment cavity and matched with the card slot through the connecting rod. A connecting ring is provided on the adjacent side of the two corresponding shorting pins, and the corresponding two connecting rings are between the two connecting rings. A tightening spring is connected, and both ends of the tightening spring are provided with connecting hooks matched with the connecting ring. 2 . The tool for replacing the electric meter in a portable electric energy metering box without power interruption according to claim 1 , wherein an active guide surface is provided on the pressure rod corresponding to the transverse rod, and the transverse rod is provided with an active guide surface. 3 . The driven guide surface that cooperates with the active guide surface. 3 . The tool for uninterrupted replacement of an electric meter in a portable electric energy metering box according to claim 2 , wherein the active guide surface and the driven guide surface are both arc surfaces. 4 . 4 . The tool for uninterrupted replacement of an electric meter in a portable electric energy metering box according to claim 1 , wherein an operating handle is provided at one end of the pressure rod away from the chute. 5 . 5 . The tool for uninterrupted replacement of an electric meter in a portable electric energy metering box according to claim 1 , 2 or 3 or 4 , wherein the shorting pin is made of galvanized copper. 6 . 6. The tool for replacing the electricity meter without power interruption in a portable electric energy metering box according to claim 1 or 2 or 3 or 4, wherein the operating housing and the shorting housing are both made of sheet molding compound production. 7. A tool for replacing the electric meter without power failure in a portable electric energy metering box according to claim 1 or 2 or 3 or 4, characterized in that, the shorting shell is provided at the corresponding clamping wall and the adjustment plate There is a transparent part for viewing the inside. 8. A tool for uninterrupted replacement of electricity meters in a portable electric energy metering box according to claim 1 or 2 or 3 or 4, wherein the cross section of the pressure groove is rectangular, and the pressure rod has a rectangular shape. The cross-section is also rectangular to match the pressure groove.

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