CN117458322A - Environment-friendly combined electrical apparatus - Google Patents
Environment-friendly combined electrical apparatus Download PDFInfo
- Publication number
- CN117458322A CN117458322A CN202311233594.6A CN202311233594A CN117458322A CN 117458322 A CN117458322 A CN 117458322A CN 202311233594 A CN202311233594 A CN 202311233594A CN 117458322 A CN117458322 A CN 117458322A
- Authority
- CN
- China
- Prior art keywords
- environment
- electrical apparatus
- air box
- friendly composite
- isolating switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002131 composite material Substances 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims description 19
- 230000007613 environmental effect Effects 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 6
- 230000010354 integration Effects 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 21
- 230000009286 beneficial effect Effects 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000007789 sealing Methods 0.000 description 5
- 238000004146 energy storage Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000208199 Buxus sempervirens Species 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/202—Cable lay-outs
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model relates to the technical field of high-voltage electric appliance power distribution, in particular to an environment-friendly composite combined electrical appliance. The outdoor environment-friendly composite combined electrical appliance is mainly used for an outdoor environment-friendly composite electrical appliance with low cost, built-in isolating switch and built-in PT, and the product design meets the requirement of 'secondary and secondary deep integration' of the national network. The working principle of the combined electrical apparatus is that the vacuum circuit breaker and the swing type isolating switch with the upper and lower structures are arranged in the air box, the opening and closing states are controlled through the switch arranged outside, the occupied space is reduced, the structure is compact, the function is complete, the integrated current transformer and the integrated voltage transformer are arranged in the air box, the integration of a secondary electrical apparatus is completed, and dry air is filled for insulation, so that the environment can be protected.
Description
Technical Field
The utility model relates to the field of high-voltage electrical appliance inflatable cabinets, in particular to an environment-friendly composite combined electrical appliance.
Background
In recent years, the domestic environmental protection and pollution control are highly valued, and the manufacturing industry of electrical equipment is required to be changed to the green low-carbon direction. The high-voltage switch equipment has the development trend of environmental protection, intelligence, standardization and high-end, and is required to develop an environmental protection simple combined electrical appliance in order to adapt to the development trend of the high-voltage switch industry.
The prior Chinese patent with the publication number of CN206059271U provides a common-box type on-column vacuum circuit breaker with the inside capable of being filled with environment-friendly gas, the inside of the circuit breaker is filled with the environment-friendly gas, but the environment-friendly gas insulation performance is lower, in order to ensure the circuit breaker to be well insulated, a disconnecting switch is not arranged in the circuit breaker box, so that the circuit breaker needs to be externally connected with the disconnecting switch when in operation, the integration degree is low, the disconnecting switch needs to be immediately arranged when in use, the circuit breaker is troublesome, and a certain external space is occupied.
Disclosure of Invention
The utility model provides an environment-friendly composite combined electrical appliance, which aims to solve the problem of low integration degree of the existing environment-friendly combined electrical appliance.
The utility model provides an environment-friendly combined electrical apparatus, including the gas tank that is used for filling environmental protection gas, switch unit and operating mechanism thereof, the gas tank left and right sides sets up the business turn over line sleeve pipe of relative arrangement, and switch unit includes circuit breaker and isolator, and circuit breaker and isolator are installed in the gas tank, and circuit breaker and isolator establish ties in the electrical circuit between the business turn over line sleeve pipe in both sides, and circuit breaker and isolator are arranged from top to bottom, and isolator static contact is connected with one of them contact of circuit breaker.
The beneficial effects are that: the environment-friendly composite combined electrical appliance improves the existing combined electrical appliance, and has the advantages that the circuit breaker and the isolating switch are arranged in the circuit at the same time, are arranged up and down and are matched with the structural design of the wire inlet and outlet sleeve arranged left and right, so that the environment-friendly composite combined electrical appliance has compact structure, multiple functions, high integration degree, better control effect on the circuit and more stable circuit.
Further, the isolating switch is a swinging isolating switch, and the moving contact of the isolating switch realizes the opening and closing of the isolating switch through swinging.
The beneficial effects are that: the movable contact of the swing type isolating switch can stay in the residual space of the left and right wire inlet and outlet structures when being disconnected, and the structure is more compact.
Further, the isolating switch and the operating shaft of the circuit breaker extend out of the air box in parallel in the same direction and are connected with the operating mechanism.
The beneficial effects are that: the isolating switch and the operating shaft of the circuit breaker extend out of the gas tank in the same direction in parallel and are connected with the operating mechanisms, so that the operating mechanisms of the two switches are ensured to be positioned on the side face of the same gas tank, and the operating mechanisms are distributed in order, thereby saving space.
In addition, an integral voltage transformer is arranged at the corner of the bottom wall and the side wall of the air box.
The beneficial effects are that: the integrated voltage transformer can fully utilize the vacant space in the air box, so that the functions of the combined electrical appliance are more various.
Further, the movable contact seat of the isolating switch is connected with the wire inlet and outlet sleeve on one side of the air box through an oblique bus, and the integrated voltage transformer is positioned in a space surrounded by the bus and the bottom corner of the air box.
The beneficial effects are that: the oblique bus is connected with the movable contact seat of the isolating switch and the wire inlet and outlet sleeve on one side to form a passage, and meanwhile, the installation space is provided for the integrated voltage transformer, so that the structure is more compact.
Furthermore, an external voltage transformer is arranged on the upper side of the air box and is alternatively used with the integrated voltage transformer.
The beneficial effects are that: the external voltage transformer is matched with the integrated voltage transformer in the gas tank, so that the combined electrical appliance can be ensured to adapt to various circuit structures.
In addition, the wire inlet and outlet sleeve is sleeved with an integrated current transformer, and the integrated current transformer is arranged on the bracket.
The beneficial effects are that: the space is used reasonably, so that the structure is compact, the integration degree is high, and a new function is provided for the combined electrical appliance.
In addition, the environment-friendly gas filled in the gas tank is dry air.
The beneficial effects are that: the air box is filled with dry air for insulation, the dry air is easy to prepare, and the air can be safely discharged after the combined electrical appliance finishes working, so that the environment is prevented from being polluted.
In addition, the operating mechanism of the switch unit is arranged at the front side of the air box, and the rear side of the weather is provided with an explosion-proof device.
The beneficial effects are that: the operating mechanism of the switch unit is arranged at the front side of the air box, so that the operation is convenient.
In addition, a hoisting frame for hoisting the combined electrical appliance is arranged on the upper side of the air box.
The beneficial effects are that: so that the combined electrical appliance can be installed to a designated position by lifting.
Drawings
FIG. 1 is an internal construction diagram of embodiment 1 of the environment-friendly composite electrical apparatus of the present utility model;
FIG. 2 is a front external construction view of embodiment 1 of the environment-friendly composite type electrical apparatus of the present utility model;
fig. 3 is a rear external structural view of embodiment 1 of the environment-friendly composite type electrical device according to the present utility model.
In fig. 1: 1. an air box; 2. an isolating switch; 3. a chassis; 4. an integrated voltage transformer; 5. a bus; 6. a wire inlet and outlet sleeve; 7. an integrated current transformer; 8. an external voltage transformer; 9. a circuit breaker; in fig. 2: 10. a breaker opening and closing handle; 11. an energy storage handle of the circuit breaker; 12. an isolating switch operating handle; 13. a rain cover; in fig. 3: 14. a rear sealing plate; 15. an air charging nozzle; 16. a baffle; 17. and (5) hoisting the frame.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Fig. 1 to 3 show an embodiment of an environment-friendly composite electrical apparatus according to the present utility model. The combined electrical appliance comprises an air box 1, a switch unit, an operating mechanism of the switch unit, an integrated current transformer 7 and an integrated voltage transformer 4. The air box 1 is installed on the chassis 3, and the chassis 3 adopts 6mm steel sheet, guarantees to have sufficient intensity, and surface plastic spraying, and hoist and mount frame 17 is installed to the air box upside, and hoist and mount frame 17 adopts 6mm steel sheet, guarantees to have sufficient intensity, and the surface plastic spraying to satisfy the product and have hoist and mount and hold in the palm two kinds of mounting means. The air box 1 is formed by welding 3mm stainless steel plates, corners around the air box are beautified by chamfering, the outer surfaces are sprayed with plastic, the wire inlet and outlet sleeves 6 are arranged on two sides of the air box 1 in a relatively arranged mode, the wire inlet and outlet sleeves 6 are formed by casting a main conductor and epoxy resin in a left-right wire inlet and outlet structure mode, the indoor and outdoor insulation and through-flow requirements are met, meanwhile, the connecting structure is simple, the inner side can be directly connected with a flexible connection or a bus 5 through threads, and the outer side is directly connected with an overhead line.
The switch unit comprises a breaker 9 and a disconnecting switch 2, wherein the breaker 9 and the disconnecting switch 2 adopt an up-down structure, the breaker 9 is a vacuum breaker, the action of the breaker 9 is controlled by a spring mechanism matched with the breaker 9, and the breaker 9 is in soft connection with the integrated current transformer 7; the isolating switch 2 is a swinging isolating switch, the isolating switch 2 is of a built-in structure and is arranged in the air box 1, a fixed contact of the isolating switch 2 is connected with one contact of the circuit breaker 9, a movable contact seat of the isolating switch 2 is connected with a wire inlet and outlet sleeve 6 on one side of the air box through a bus 5 which is bent obliquely, the action of the isolating switch 2 is controlled by an isolating switch operating mechanism matched with the isolating switch, and the isolating switch 2 and an operating shaft of the circuit breaker 9 extend out of the air box in the same direction in parallel and are connected with the operating mechanisms matched with the two switches.
The integrated current transformer 7 is sleeved on the wire inlet and outlet sleeve 6 and is fixed through a bracket. The voltage transformer is an integral voltage transformer 4, is installed at the corner of the bottom and the side wall of the gas tank 1, is positioned in the space formed by the bus 5 connected between the movable contact seat of the isolating switch 2 and the wire inlet and outlet sleeve 6 and the bottom corner of the gas tank 1, ensures complete functions, saves space, makes the structure more compact, and in addition, an external voltage transformer 8 is installed at the top end of the lifting frame 17 at the upper side of the gas tank 1, so that the combined electrical appliance is ensured to be adapted to various circuits.
The outer side of the air box 1 is provided with a rain-proof cover 13, the rain-proof cover is formed by welding a 3mm stainless steel plate, the corners of the periphery of the rain-proof cover are beautified by C30 chamfers, the rain-proof and corrosion-proof requirements of a mechanism are ensured, the upper plate of the rain-proof cover 13 is provided with a corresponding mechanism leading-out shaft sealing yielding hole, and the position, corresponding to the isolating switch 2, of the rain-proof cover 13 is provided with an isolating switch operating handle 12 for controlling an isolating knife of the isolating switch 2; the position of the rain cover 13 corresponding to the breaker 9 is provided with a breaker energy storage handle 11 and a breaker switching handle 10, so that switching operation, energy storage operation, switching position indication and energy storage indication of the breaker 9 are met.
The rear side of the air box 1 is provided with a rear sealing plate 14, an air charging nozzle 15 is arranged on the rear sealing plate 14 and used for charging dry air, a baffle 16 is arranged on the rear sealing plate 14, and an explosion-proof device is arranged on the inner side of the baffle 16.
Through the above description, the isolating switch 2 and the circuit breaker 9 are arranged in the gas tank 1, so that the combined electrical appliance is complete in function, the circuit breaker 9 and the isolating switch 2 are arranged up and down, the incoming and outgoing lines are arranged oppositely left and right, the whole arrangement can save space, the volume of the combined electrical appliance is reduced, and the insulation requirement can be met when the environment-friendly gas is adopted as the insulation gas. The swing type isolating switch can better utilize the vacant space of the left and right wire inlet and outlet structures, the integrated voltage transformer 4 is arranged in the air box 1, the external voltage transformer 8 is arranged on the upper side of the weather, the swing type isolating switch can adapt to various circuit structures, dry air is filled in the air box 1, the environment can be protected, and the pollution is reduced. The product design meets the requirement of 'secondary deep fusion' of national network.
As another embodiment of the utility model, the isolating switch can be a direct-acting isolating switch, a fixed contact of the isolating switch is connected with a contact of the circuit breaker, an operating mechanism matched with the isolating switch and the circuit breaker is arranged outside the isolating switch, the operating mechanism controls the moving contact of the isolating switch to be connected with the fixed contact during closing to form a passage, and the operating mechanism controls the braking contact to be disconnected with the fixed contact during opening.
As another embodiment of the utility model, the external voltage transformer is not arranged on the upper side of the gas tank, only the built-in integrated voltage transformer is used, and the combined electrical appliance works normally.
As another embodiment of the utility model, the environment-friendly gas filled in the gas tank can be nitrogen, the insulating property of the nitrogen is good, and the nitrogen has a large proportion in the air, so that the environment is not affected basically after the nitrogen is discharged.
The above description is only a preferred embodiment of the present utility model, and the patent protection scope of the present utility model is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides an environment-friendly combined electrical apparatus, includes gas tank (1) that is used for filling environmental protection gas, switch unit and operating mechanism thereof, and gas tank (1) left and right sides sets up business turn over line sleeve pipe (6) of relative arrangement, its characterized in that: the switch unit comprises a circuit breaker (9) and a disconnecting switch (2), wherein the circuit breaker (9) and the disconnecting switch (2) are arranged in the gas tank (1), the circuit breaker (9) and the disconnecting switch (2) are connected in series in an electrified loop between two side wire inlet and outlet sleeves (6), the circuit breaker (9) and the disconnecting switch (2) are arranged up and down, and a fixed contact of the disconnecting switch (2) is connected with one contact of the circuit breaker (9).
2. The environment-friendly composite electrical apparatus of claim 1, wherein: the isolating switch (2) is a swinging isolating switch, and the moving contact of the isolating switch (2) realizes the switching on and off of the isolating switch through swinging.
3. The environment-friendly composite electrical apparatus of claim 2, wherein: the isolating switch (2) and the operating shaft of the breaker (9) extend out of the air box (1) in parallel and in the same direction, and are connected with the operating mechanism.
4. An environment-friendly composite electrical apparatus according to any one of claims 1-3, wherein: and an integrated voltage transformer (4) is arranged at the corner of the bottom wall and the side wall of the air box (1).
5. The environment-friendly composite electrical apparatus of claim 4, wherein: the movable contact seat of the isolating switch (2) is connected with a wire inlet and outlet sleeve (6) at one side of the air box through an oblique bus (5), and the integrated voltage transformer (4) is positioned in a space surrounded by the bus (5) and the bottom corner of the air box (1).
6. The environment-friendly composite electrical apparatus of claim 5, wherein: an external voltage transformer (8) is arranged on the upper side of the air box (1), and is used alternatively with the integrated voltage transformer (4).
7. An environment-friendly composite electrical apparatus according to any one of claims 1-3, wherein: the wire inlet and outlet sleeve (6) is sleeved with the integrated current transformer (7), and the integrated current transformer (7) is arranged on the bracket.
8. An environment-friendly composite electrical apparatus according to any one of claims 1-3, wherein: the environment-friendly gas filled in the gas tank (1) is dry air.
9. An environment-friendly composite electrical apparatus according to any one of claims 1-3, wherein: the operating mechanism of the switch unit is arranged at the front side of the air box (1), and an explosion-proof device is arranged at the rear side of the air box (1).
10. An environment-friendly composite electrical apparatus according to any one of claims 1-3, wherein: and a hoisting frame (17) for hoisting the combined electrical appliance is arranged on the upper side of the air box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311233594.6A CN117458322A (en) | 2023-09-22 | 2023-09-22 | Environment-friendly combined electrical apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311233594.6A CN117458322A (en) | 2023-09-22 | 2023-09-22 | Environment-friendly combined electrical apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117458322A true CN117458322A (en) | 2024-01-26 |
Family
ID=89589991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311233594.6A Pending CN117458322A (en) | 2023-09-22 | 2023-09-22 | Environment-friendly combined electrical apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117458322A (en) |
-
2023
- 2023-09-22 CN CN202311233594.6A patent/CN117458322A/en active Pending
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