Automatic energy storage type combined electrical appliance

Abstract

The present invention relates to an automatic energy storage type combined electrical appliance, comprising a spring operating mechanism and a fuse mechanism, wherein the fuse mechanism is located at the lower end of the spring operating mechanism, the spring operating mechanism comprises a switch-off energy storage spring and a switch-off half-shaft for locking the switch-off energy storage spring, and also comprises a fuse-off switch-off transmission assembly, wherein the fuse-off switch-off transmission assembly is installed in the fuse mechanism, and the upper end of the fuse-off switch-off transmission assembly extends into the spring operating mechanism; the switch-off half-shaft is connected with a switch-off tripping plate, and when the fuse mechanism is blown, the fuse-off switch-off transmission assembly is lifted upward and pushes the switch-off tripping plate to rotate, and when the switch-off tripping plate rotates, the switch-off half-shaft is driven to rotate, and the switch-off action can be automatically started when the fuse is blown and tripped, thereby ensuring timely switch-off and ensuring safety.

Description

Technical Field

[0001] The invention relates to the field of ring network cabinets, and in particular to an automatic energy storage type combined electrical appliance. Background Art

[0002] Ring main unit is a group of electrical transmission and distribution equipment (high voltage switchgear), installed in a metal or non-metallic insulated cabinet or made into an assembled interval ring main unit. Its core part uses load switches and fuses, which have the advantages of simple structure, small size, low price, improved power supply parameters and performance, and power supply safety. It is widely used in distribution stations and box-type substations in urban residential areas, high-rise buildings, large public buildings, factories and enterprises and other load centers.

[0003] The existing ring network cabinet is generally provided with a spring operating mechanism, which can be used to control the opening and closing of the load switch and the grounding switch of the ring network cabinet. The comparative document CN20672697 discloses a "spring operating mechanism and ring network cabinet" to solve the technical problem of the short service life of the spring operating mechanism in the prior art. In its technical solution, the closing spring and the opening spring are used to store energy respectively, and the spring potential energy stored in the closing spring and the opening spring is used to drive the closing or opening action of the load switch; wherein, after closing, the opening spring is in a stretched energy storage state, the opening spring is connected with an output unit and an opening holding latch unit, and an opening half shaft that can be used to lock the opening holding latch unit is provided. When the opening operation is required, it is only necessary to rotate the opening half shaft to unlock the opening holding latch unit, and at this time, the output unit will rotate under the elastic force of the opening spring and enter the opening state.

[0004] However, when the opening operation is required, the technical solution disclosed in the reference document CN20672697 can only allow one opening operation, that is, by using the opening electromagnet to push the opening trip plate connected to the opening half shaft, so that the opening half shaft rotates to achieve the opening operation. Therefore, the spring operating mechanism of the reference document can only allow the opening operation to be achieved by energizing the opening electromagnet, and cannot be operated by other means. Summary of the invention

[0005] The purpose of the present invention is to overcome the deficiencies of the above-mentioned prior art and to provide an automatic energy storage type combined electrical appliance which can automatically start the opening action when the fuse blows and trips, thereby ensuring timely opening and safety.

[0006] The present invention is achieved through the following technical solutions:

[0007] An automatic energy storage type combined electrical appliance, comprising a spring operating mechanism and a fuse mechanism, wherein the fuse mechanism is located at the lower end of the spring operating mechanism, wherein the spring operating mechanism comprises a switch-off energy storage spring and a switch-off half-shaft for locking the switch-off energy storage spring, and further comprises a switch-off fuse transmission assembly, wherein the switch-off fuse transmission assembly is installed in the fuse mechanism, and the upper end of the switch-off fuse transmission assembly extends into the spring operating mechanism; the switch-off half-shaft is connected to a switch-off trip plate, and when the fuse mechanism is blown, the switch-off fuse transmission assembly pushes up and pushes the switch-off trip plate to rotate, and when the switch-off trip plate rotates, the switch-off half-shaft is driven to rotate;

[0008] The fuse mechanism includes a fuse barrel, and the fuse opening transmission assembly includes a top plate, a top rod and a fuse rotating plate. The top plate includes two rotating plates and a swing plate connected between the two rotating plates. The lower end of the rotating plate is rotatably connected in the fuse mechanism, and the swing plate is connected between the two rotating plates. The swing plate is located at the upper front end of the rotating plate; the fuse rotating plate is installed in front of the fuse barrel, and the middle part of the fuse rotating plate is rotatably connected in the fuse mechanism. One end of the fuse rotating plate is located at the front end of the tripping ejector pin of the fuse barrel, and the other end is located at the front end of the swing plate; the top rod is connected to the swing plate and extends upward into the spring operating mechanism.

[0009] Furthermore, the fuse mechanism is provided with three fuse cylinders arranged in an inverted triangle, each of the fuse cylinders is provided with a corresponding fuse rotating plate, and the swing plate is horizontally arranged between the fuse cylinders.

[0010] Furthermore, a manual opening transmission assembly is provided in the spring operating mechanism, and the manual opening transmission assembly includes a manual opening button. By pressing the manual opening button, the manual opening transmission assembly can push the opening trip plate to rotate.

[0011] Furthermore, the opening trip plate is in an inverted L-shape, and the manual opening transmission assembly includes a pressure rod, a first reset spring and a rotating top plate. The front end of the pressure rod is connected to the manual opening button, and the rear end is connected to the first reset spring. The middle part of the rotating top plate is rotatably connected in the spring operating mechanism, and one end of the rotating top plate is rotatably connected to the pressure rod, and the other end is located on one side of the opening trip plate.

[0012] Furthermore, an electromagnetic opening brake transmission assembly and a second opening brake release plate are also provided in the spring operating mechanism, and the second opening brake release plate is connected to the opening brake half-shaft. When the electromagnetic opening brake transmission assembly is energized, it pushes the second opening brake release plate to rotate.

[0013] Furthermore, the electromagnetic opening transmission assembly includes an electric tripping coil, a tripping push rod and a second reset spring. The tripping push rod passes through the electric tripping coil. The second reset spring is sleeved on one end of the tripping push rod. When the electric tripping coil is energized, the tripping push rod is actuated to push the second opening tripping plate to rotate.

[0014] Furthermore, the spring operating mechanism includes a support frame, which includes a front support plate and a rear support plate, the opening gate half-shaft is connected between the front support plate and the rear support plate and extends through the front of the front support plate, the opening gate release plate is arranged on the front side of the front support plate, and the second opening gate release plate and the electromagnetic opening gate transmission assembly are arranged on the rear side of the front support plate.

[0015] The present invention has the following beneficial effects: the present invention provides an automatic energy storage type combination electrical appliance, which is applied to a ring network cabinet, and includes a spring operating mechanism and a fuse mechanism. The disconnecting half-shaft in the spring operating mechanism is connected to a disconnecting trip plate, and a fuse disconnecting transmission assembly is provided in the fuse mechanism. When the fuse mechanism blows, the fuse disconnecting transmission assembly pushes up and pushes the disconnecting trip plate, and the disconnecting trip plate drives the disconnecting half-shaft to rotate synchronously. At this time, the disconnecting energy storage spring locked by the disconnecting half-shaft is released, and under the action of the elastic force, the automatic disconnecting operation is realized. That is, through the technical solution of the present invention, when the fuse mechanism automatically blows, the disconnecting energy storage spring can be quickly and automatically tripped to realize the disconnecting operation, thereby ensuring timely and automatic disconnecting and ensuring safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the automatic energy storage type combined electrical appliance of the present invention installed in a ring main unit;

[0017] Figure 2 It is a structural schematic diagram of the automatic energy storage type combined electrical appliance of the present invention;

[0018] Figure 3 for Figure 2 A magnified schematic diagram of the middle A area;

[0019] Figure 4 It is a structural schematic diagram of the spring operating mechanism of the present invention;

[0020] Figure 5 It is a schematic diagram of a partial structure of the spring operating mechanism of the present invention from an oblique top view;

[0021] Figure 6 It is a schematic oblique bottom view of a partial structure of the spring operating mechanism of the present invention.

[0022] Specific structural description in the figure: 1 spring operating mechanism, 11 front support plate, 12 rear support plate, 13 opening gate energy storage spring, 14 opening gate half shaft, 15 opening gate trip plate, 16 second opening gate trip plate, 2 fuse mechanism, 21 fuse cylinder, 211 tripping ejector pin, 3 fuse opening gate transmission assembly, 31 ejector rod, 32 ejector plate, 321 swing plate, 322 rotating plate, 33 fuse rotating plate, 4 manual opening gate transmission assembly, 41 manual opening gate button, 42 pressure rod, 43 first reset spring, 44 rotating ejector plate, 5 electromagnetic opening gate transmission assembly, 51 electric tripping coil, 52 tripping push rod, 53 second reset spring. DETAILED DESCRIPTION

[0023] The present invention is further described in detail below with reference to the embodiments given in the accompanying drawings.

[0024] Reference Figure 2-6 , an automatic energy storage type combination electrical appliance, comprising a spring operating mechanism 1 and a fuse mechanism 2, wherein the fuse mechanism 2 is located at the lower end of the spring operating mechanism 2, the spring operating mechanism 1 comprises a switch-off energy storage spring 13 and a switch-off half-shaft 14 for locking the switch-off energy storage spring 13, and also comprises a fuse-off switch-off transmission assembly 3, wherein the fuse-off switch-off transmission assembly 3 is installed in the fuse mechanism 2, and the upper end of the fuse-off switch-off transmission assembly 3 extends into the spring operating mechanism 1; the switch-off half-shaft 14 is connected to a switch-off tripping plate 15, when the fuse mechanism 2 is blown, the fuse-off switch-off transmission assembly 3 is lifted up and pushes the switch-off tripping plate 15 to rotate, and when the switch-off tripping plate 15 rotates, the switch-off half-shaft 14 is driven to rotate, and after the switch-off half-shaft 14 rotates, the switch-off energy storage spring 13 in a stretched state is unlocked, and the switch-off operation is realized under the pull of the switch-off energy storage spring 13.

[0025] Further, the fuse mechanism 2 includes a fuse barrel 21, the fuse opening transmission assembly 3 includes a top plate 32, a top rod 31 and a fuse rotating plate 33, the top plate 32 includes two rotating plates 322 and a swing plate 321 connected between the two rotating plates 322, the lower end of the rotating plate 322 is rotatably connected in the fuse mechanism 2, the swing plate 321 is connected between the two rotating plates 322, and the swing plate 321 is located at the upper front end of the rotating plate 322, that is, when the swing plate 321 is in the initial position, it is located at the upper front end of its rotation center axis, with reference to Figure 3When the fuse is blown, the tripping ejector pin 211 is pushed forward, and the tripping ejector pin 211 pushes the fuse rotating plate 33 to rotate. The fuse rotating plate 33 rotates to press the swing plate 321 backward, and the swing plate 321 moves in the upward and backward direction. The ejector rod 31 is connected to the swing plate 321 and extends upward into the spring operating mechanism 1. When the swing plate 321 moves upward, the ejector rod 31 is driven to move upward at the same time. At this time, since the upper end of the ejector rod 31 is located at the lower side of the opening trip plate 15, refer to Figure 5 The upward movement of the top rod 31 will push the opening trip plate 15 to rotate, and at the same time drive the opening half shaft 14 to rotate.

[0026] Further, see Figure 3 The fuse mechanism 2 is provided with three fuse barrels 21 arranged in an inverted triangle, each of the fuse barrels 21 is provided with a corresponding fuse rotating plate 33, and the swing plate 321 is horizontally arranged between the fuse barrels 21. In this way, by arranging the fuse barrels 21 into an inverted triangle structure with two rows of upper and lower rows, the swing plate 321 is located between the upper and lower rows of fuse barrels 21, and each fuse barrel 21 is provided with a corresponding fuse rotating plate 33, so that no matter which fuse barrel 21 is blown, the automatic opening operation can be achieved through the fuse rotating plate 33.

[0027] Furthermore, a manual opening transmission assembly 4 is provided in the spring operating mechanism, and the manual opening transmission assembly 4 includes a manual opening button 41. By pressing the manual opening button 41, the manual opening transmission assembly 4 can push the opening trip plate 15 to rotate.

[0028] Further, see Figure 5, the opening trip plate 15 is in an inverted L-shape, the manual opening transmission assembly 4 includes a pressure rod 42, a first reset spring 43 and a rotating top plate 44, the front end of the pressure rod 42 is connected to the manual opening button 41, and the rear end is connected to the first reset spring 43, the middle part of the rotating top plate 44 is rotatably connected to the spring operating mechanism 1, one end of the rotating top plate 44 is rotatably connected to the pressure rod 42, and the other end is located on one side of the opening trip plate 44. When the manual opening button 41 is pressed, the pressure rod 42 will overcome the spring elastic force and move backwards, and the pressure rod 42 will drive the rotating top plate 44 to rotate around its middle during the backward movement. After the rotating top plate 44 rotates, it will push the opening trip plate 15, thereby driving the opening half shaft 14 to rotate and realize the opening operation. In this way, the manual opening transmission assembly 4 can be used to realize the manual opening operation in front of the ring network cabinet quickly, and it is in a mechanical transmission mode, not relying on electric transmission, and the transmission is reliable, without worrying about the risk of not being able to open the gate in time due to power failure.

[0029] Furthermore, the spring operating mechanism 1 is also provided with an electromagnetic opening transmission assembly 5 and a second opening release plate 16, and the second opening release plate 16 is connected to the opening half shaft 14. When the electromagnetic opening transmission assembly 5 is energized, it drives the second opening release plate 16 to rotate.

[0030] Further, see Figure 6 The electromagnetic opening transmission assembly 5 includes an electric tripping coil 51, a tripping push rod 52 and a second reset spring 53. The tripping push rod 52 passes through the electric tripping coil 51. The second reset spring 53 is sleeved on one end of the tripping push rod 52. When the electric tripping coil 51 is energized, the tripping push rod 52 moves to push the second opening tripping plate 16 to rotate. That is, by using the electrically controlled electromagnetic opening transmission assembly 5, the opening operation can be realized by remotely controlling the on and off of the electric tripping coil 51. As long as the electric tripping coil 51 is energized, the tripping push rod 52 will move and push the second opening tripping plate 16. When the electric tripping coil 51 is de-energized, the tripping push rod 52 will return to its original position under the elastic force of the second reset spring 53.

[0031] Furthermore, the spring operating mechanism 1 includes a support frame, which includes a front support plate 11 and a rear support plate 12, the opening gate half-shaft 14 is connected between the front support plate 11 and the rear support plate 12 and extends through the front of the front support plate 11, the opening gate trip plate 15 is arranged on the front side of the front support plate 11, and the second opening gate trip plate 16 and the electromagnetic opening gate transmission assembly 5 are arranged on the rear side of the front support plate 11.

[0032] The above is only a preferred embodiment of the present invention, and should not be used to limit the scope of the present invention. That is, any simple equivalent changes and modifications made according to the scope of the patent application and the content of the invention description of the present invention are still within the scope of the patent of the present invention.

Claims

1. An automatic energy storage type combination electrical appliance, comprising a spring operating mechanism and a fuse mechanism, wherein the fuse mechanism is located at the lower end of the spring operating mechanism, and the spring operating mechanism comprises a switch-off energy storage spring and a switch-off half shaft for locking the switch-off energy storage spring, characterized in that: It also includes a fuse opening transmission assembly, which is installed in the fuse mechanism, and the upper end of the fuse opening transmission assembly extends into the spring operating mechanism; the opening half shaft is connected to the opening trip plate, and when the fuse mechanism is blown, the fuse opening transmission assembly pushes up and pushes the opening trip plate to rotate, and when the opening trip plate rotates, it drives the opening half shaft to rotate; The fuse mechanism includes a fuse barrel, the fuse opening transmission assembly includes a top plate, a top rod and a fuse rotating plate, the top plate includes two rotating plates and a swing plate connected between the two rotating plates, the lower end of the rotating plate is rotatably connected in the fuse mechanism, the swing plate is connected between the two rotating plates, and the swing plate is located at the upper front end of the rotating plate; the fuse rotating plate is installed in front of the fuse barrel, the middle part of the fuse rotating plate is rotatably connected in the fuse mechanism, one end of the fuse rotating plate is located at the front end of the tripping ejector pin of the fuse barrel, and the other end is located at the front end of the swing plate; The push rod is connected to the swing plate and extends upward into the spring operating mechanism.

2. The automatic energy storage type combined electrical appliance according to claim 1, characterized in that: The fuse mechanism is provided with three fuse barrels arranged in an inverted triangle, each of the fuse barrels is provided with a corresponding fuse rotating plate, and the swing plate is horizontally arranged between the fuse barrels.

3. The automatic energy storage type combined electrical appliance according to claim 1, characterized in that: A manual opening transmission assembly is arranged in the spring operating mechanism, and the manual opening transmission assembly comprises a manual opening button. When the manual opening button is pressed, the manual opening transmission assembly can push the opening trip plate to rotate.

4. The automatic energy storage type combined electrical appliance as claimed in claim 3, characterized in that: The opening trip plate is in an inverted L-shape, and the manual opening transmission assembly includes a pressure rod, a first reset spring and a rotating top plate. The front end of the pressure rod is connected to the manual opening button, and the rear end is connected to the first reset spring. The middle part of the rotating top plate is rotatably connected in the spring operating mechanism, one end of the rotating top plate is rotatably connected to the pressure rod, and the other end is located on one side of the opening trip plate.

5. The automatic energy storage type combined electrical appliance according to claim 1, characterized in that: The spring operating mechanism is further provided with an electromagnetic opening brake transmission assembly and a second opening brake release plate, wherein the second opening brake release plate is connected to the opening brake half shaft, and when the electromagnetic opening brake transmission assembly is energized, the second opening brake release plate is driven to rotate.

6. The automatic energy storage type combined electrical appliance according to claim 5, characterized in that: The electromagnetic opening transmission assembly includes an electric tripping coil, a tripping push rod and a second reset spring. The tripping push rod passes through the electric tripping coil. The second reset spring is sleeved on one end of the tripping push rod. When the electric tripping coil is energized, the tripping push rod moves to push the second opening trip plate to rotate.

7. The automatic energy storage type combined electrical appliance according to claim 5, characterized in that: The spring operating mechanism includes a support frame, which includes a front support plate and a rear support plate. The opening gate half-shaft is connected between the front support plate and the rear support plate and extends through the front of the front support plate. The opening gate trip plate is arranged on the front side of the front support plate, and the second opening gate trip plate and the electromagnetic opening gate transmission assembly are arranged on the rear side of the front support plate.

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