CN110620347A - Air insulation fixing cabinet - Google Patents
Air insulation fixing cabinet Download PDFInfo
- Publication number
- CN110620347A CN110620347A CN201910990712.5A CN201910990712A CN110620347A CN 110620347 A CN110620347 A CN 110620347A CN 201910990712 A CN201910990712 A CN 201910990712A CN 110620347 A CN110620347 A CN 110620347A
- Authority
- CN
- China
- Prior art keywords
- chamber
- switch
- breaker
- connecting rod
- circuit breaker
- 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
- 238000009413 insulation Methods 0.000 title claims abstract description 23
- 238000005192 partition Methods 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 claims description 11
- 230000003068 static effect Effects 0.000 claims description 8
- 230000001939 inductive effect Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- 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
- 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
- H02B13/075—Earthing arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
Abstract
The invention discloses an air insulation fixed cabinet, which comprises a fixed cabinet shell, a bus chamber, a breaker chamber, a cable chamber and an instrument chamber, wherein the bus chamber is arranged in the fixed cabinet shell; an operation and control chamber is arranged below the instrument chamber and is arranged on the front side of the breaker chamber; a bus and an isolating switch are arranged in the bus chamber, and the isolating switch is driven by an isolating switch interlocking connecting rod; an ISM circuit breaker is arranged in the circuit breaker chamber and is driven by a circuit breaker interlocking connecting rod; the cable chamber is used for installing a grounding switch, and the grounding switch is driven by a grounding switch interlocking connecting rod; and a mechanical locking operation panel is arranged in the control chamber, and is respectively connected with the disconnecting switch interlocking connecting rod, the circuit breaker interlocking connecting rod and the grounding switch interlocking connecting rod for realizing five-prevention interlocking operation. The invention adopts the ISM circuit breaker to realize the non-sensing power regulation technology and realizes the quick switching between two paths of power supplies and a breaking cabinet; the use limitation problem of the ISM breaker in the switchgear is solved through a five-prevention interlocking structure.
Description
Technical Field
The invention relates to the technical field of switch equipment for power transmission and distribution, in particular to an air insulation fixed cabinet.
Background
The ISM circuit breaker is a world-class top high-performance high-parameter circuit breaker switch, the switch cabinet applying the circuit breaker is over old, certain problems exist in the aspects of safety, such as arcing requirements, protection grade between compartments and the like, and due to the limitation of interlocking, the use of the ISM circuit breaker in the switch equipment is greatly restricted. Meanwhile, when the currently configured breaker has an operation fault or is subjected to operation maintenance, the switching of the two power supplies can cause temporary power failure of a user, and the influence on various loads, particularly important loads, is greater.
Disclosure of Invention
The invention aims to provide an air insulation fixed cabinet, which adopts an ISM circuit breaker to realize a non-sensing power regulation technology, realizes the quick switching between two power supplies and a breaking cabinet, and avoids the problems of temporary power failure of a user and influence on various load performances caused by the switching of the two power supplies; the use limitation problem of the ISM breaker in the switchgear is solved through a five-prevention interlocking structure.
In order to achieve the purpose, the invention provides an air insulation fixed cabinet which comprises a fixed cabinet shell, wherein a bus chamber, a circuit breaker chamber and a cable chamber, as well as an instrument chamber arranged on the front side of the bus chamber, are sequentially distributed in the fixed cabinet shell along the direction from the top to the bottom of the fixed cabinet shell; an operation and control chamber is arranged below the instrument chamber and is arranged on the front side of the breaker chamber; wherein the content of the first and second substances,
a bus and an isolating switch are arranged in the bus chamber, the isolating switch is directly connected with the bus, and the isolating switch is driven by an isolating switch interlocking connecting rod;
the ISM circuit breaker is arranged in the circuit breaker chamber, the ISM circuit breaker is laterally arranged in the circuit breaker chamber, and the ISM circuit breaker is driven through a circuit breaker interlocking connecting rod;
the cable chamber is used for installing a grounding switch, and the grounding switch is driven by a grounding switch interlocking connecting rod;
and a mechanical locking operation panel is arranged in the control chamber, and the mechanical locking operation panel is respectively connected with the disconnecting switch interlocking connecting rod, the circuit breaker interlocking connecting rod and the grounding switch interlocking connecting rod and is used for realizing five-prevention interlocking operation.
Optionally, the isolating switch includes a static contact, a movable contact and a rotating shaft, the static contact is directly connected to the bus, the movable contact is fixedly connected to the rotating shaft, the rotating shaft is connected to the interlocking connecting rod of the isolating switch, and the rotating shaft is fixed in the bus chamber through a bracket; the isolating switch interlocking connecting rod drives the rotating shaft to rotate so as to drive the movable contact piece to rotate.
Optionally, the circuit breaker interlocking link includes a first link and a second link, one end of the first link is connected to the ISM circuit breaker, the other end of the first link is connected to one end of the second link, and the other end of the second link is connected to the mechanical locking operation panel.
Optionally, the ground switch includes a switch rod, the switch rod is rotatably connected to the ground switch interlocking link, and the ground switch interlocking link moves up and down to drive the switch rod to rotate, so as to ground the switch rod and lift the ground.
Optionally, the bus is electrically connected to the ISM circuit breaker through the disconnecting switch, the ISM circuit breaker is electrically connected to a current transformer located in the cable chamber through a wall bushing, and the current transformer is electrically connected to the grounding switch.
Optionally, the wall bushing is disposed in the circuit breaker chamber.
Optionally, the fixed cabinet casing includes a front door panel disposed on a front side thereof and a rear door panel disposed on a rear side thereof; the rear side of the rear door plate is detachably connected with a pressure relief shell through a fastener, and a pressure relief channel is formed between the pressure relief shell and the rear door plate.
Optionally, the bus chamber is separated from the breaker chamber by a first partition plate; the breaker chamber is separated from the cable chamber by a second partition.
Optionally, the mechanical locking operation panel includes a knob, an energizing identifier for the disconnecting switch and the grounding switch, a handle jack, a padlock switch and a switching jack; the knob is used for controlling the air insulation fixed cabinet to be in a working state, a maintenance state and a breaking state respectively; the isolating switch and grounding switch electrifying identification is used for displaying whether the isolating switch and the grounding switch are electrified or not; the handle jack is used for inserting a handle, and the opening and closing of the isolating switch and the grounding switch are realized through the rotation of the handle; the padlock switch is used for unlocking/locking the knob of the mechanical locking operation plate; and the split jack is used for realizing the interlocking and unlocking of the two air insulation fixed cabinets.
Optionally, the mechanical locking operation panel is further provided with an operation program instruction, and non-inductive power regulation is realized through the mechanical locking operation panel.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: the bus chamber in the air insulation fixed cabinet is internally provided with a bus and an isolating switch, and the isolating switch is driven by an isolating switch interlocking connecting rod; the circuit breaker chamber is internally provided with an ISM circuit breaker which is driven by a circuit breaker interlocking connecting rod; the cable chamber is used for installing a grounding switch, and the grounding switch is driven by a grounding switch interlocking connecting rod; the instrument room is used for placing various instruments, locates instrument room below and is located the indoor mechanical shutting operation panel that is equipped with of controlling of the front side of circuit breaker room, and mechanical shutting operation panel is connected with isolator interlocking connecting rod, circuit breaker interlocking connecting rod and earthing switch interlocking connecting rod respectively for realize five and prevent interlocking operation. The invention adopts the ISM circuit breaker to realize the non-sensing power regulation technology, realizes the quick switching between two power supplies and a breaking cabinet, and avoids the problems of temporary power failure of a user and influence on various load performances caused by the switching of the two power supplies; meanwhile, the problem of use limitation of the ISM circuit breaker in the switchgear is solved through the five-prevention interlocking structure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a perspective view of an air insulation fixing cabinet according to an embodiment of the present invention;
FIG. 2 is a front view of an air insulated cabinet according to an embodiment of the present invention;
FIG. 3 is a side view of an air insulated cabinet according to an embodiment of the present invention;
FIG. 4 is a side internal structure view of the air insulated cabinet according to the embodiment of the present invention;
fig. 5 is a perspective view of the internal structure of the air insulation fixing cabinet according to the embodiment of the present invention;
FIG. 6 is a front view of the internal structure of the air insulated cabinet according to the embodiment of the present invention;
FIG. 7 is a side view of the internal structure of the air insulated cabinet according to the embodiment of the present invention;
fig. 8 is a schematic view of a mechanical locking operation panel in an air-insulated fixed cabinet according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The purpose of the present embodiment is to provide an air insulation fixed cabinet, as shown in fig. 1-7, including a fixed cabinet housing 1, a bus chamber 12, a circuit breaker chamber 13 and a cable chamber 14 are sequentially distributed in the fixed cabinet housing 1 along a direction from the top to the bottom of the fixed cabinet housing 1, and an instrument chamber 11 is disposed in front of the bus chamber 12; an operation and control chamber 15 is arranged below the instrument chamber 11, and the operation and control chamber 15 is arranged on the front side of the breaker chamber 13; wherein:
a bus 121 and an isolating switch 122 are arranged in the bus chamber 12, the isolating switch 122 is directly connected with the bus 121, and the isolating switch 122 is driven by an isolating switch interlocking connecting rod 123;
an ISM breaker 131 is arranged in the breaker chamber 13, the ISM breaker 131 is arranged in the breaker chamber 13, and the ISM breaker 131 is driven through a breaker interlocking link 132;
the cable chamber 14 is used for installing a grounding switch 141, and the grounding switch 141 is driven by a grounding switch interlocking connecting rod 142;
a mechanical locking operation panel 151 is arranged in the control room 15, and the mechanical locking operation panel 151 is respectively connected with the disconnecting switch interlocking connecting rod 123, the circuit breaker interlocking connecting rod 132 and the grounding switch interlocking connecting rod 142, so as to realize five-prevention interlocking operation.
In the air insulation fixed cabinet provided by the embodiment, the bus bar chamber 12 is used for accommodating a bus bar 121 and a disconnecting switch 122; the isolating switch 122 is used for controlling the on-off of the circuit; the breaker chamber 13 is used to house ISM breakers 131; the cable chamber 14 is used for installing the grounding switch 141; the instrument room 11 is used for arranging various instruments for a user to view.
In the air insulation fixed cabinet provided by the embodiment, an ISM circuit breaker is adopted to realize a non-sensing power regulation technology, so that the quick switching between two power supplies and a breaking cabinet is realized, and the problems that a user temporarily has power failure and various load performances are affected when the two power supplies are switched are solved; meanwhile, the problem of use limitation of the ISM circuit breaker in the switchgear is solved through the five-prevention interlocking structure.
The disconnector 122 is directly connected to the bus 121, and the width and height of the bus chamber 12 are reduced, and the ISM breaker 131 side is installed in the breaker chamber 13, so that the width of the breaker chamber 13 is reduced, and the height of the air insulated cabinet can be reduced by installing the instrument chamber 11 on the front side of the bus chamber 12. Compared with the prior art, the air insulation fixed cabinet that this embodiment provided is smaller in size, and inner structure sets up in order, is difficult for taking place the maloperation, and fail safe nature is stronger.
In some embodiments, as shown in fig. 1-3, in order to make the above-described air insulated cabinet safer to use, the cabinet housing 1 includes a front door panel 16 provided at a front side thereof and a rear door panel 17 provided at a rear side thereof. When the air insulation fixing cabinet works, the front door panel 16 is closed; when the components in the air insulation fixing cabinet need to be repaired and checked, a maintenance person can open the front door panel 16.
On the basis of the above embodiment, the cabinet casing 1 may further include two side plates, a top plate and a bottom plate, the two side plates, the front door plate 16 and the rear door plate 17 enclose a rectangular tubular structure, the top plate is disposed on the top end of the tubular structure, and the bottom plate is disposed on the bottom end of the tubular structure. Thus, the two side panels, the top panel, the bottom panel, the front door panel 16 and the rear door panel 17 enclose a rectangular parallelepiped structure.
In some embodiments, as shown in fig. 1, in order to make the air insulated cabinet more practical, the air insulated cabinet further includes a pressure relief housing 2 detachably connected to the rear door panel 17 by a fastener, and a pressure relief channel 3 is formed between the pressure relief housing 2 and the rear door panel 17. According to actual needs, when pressure relief is required, a user can connect the pressure relief shell 2 with the rear door panel 17 to form a pressure relief channel; when not having the pressure release demand, the user can dismantle pressure release casing 2 from back door plant 17 to reduce the area occupied of above-mentioned air insulation stationary cabinet, adapt to the occasion of the different degree of depth.
It should be noted that all the structures that can detachably connect the pressure relief housing 2 and the rear door panel 17 may be the fastening members mentioned in the above embodiments.
In some embodiments, as shown in fig. 2, in order to make the space occupied by the air-insulated fixed cabinet smaller, the isolating switch 122 includes a fixed contact piece 1221, a movable contact piece 1222 and a rotating shaft 1223, wherein: the static contact 1221 is directly connected with the bus 121, so that the height of the bus chamber 12 is effectively reduced; the moving contact 1222 is connected with the rotating shaft 1223; the rotating shaft 1223 is arranged in the bus chamber 12 through a bracket, and the isolating switch interlocking connecting rod 123 drives the rotating shaft 1223 to rotate so as to drive the movable contact 1222 to rotate to contact or be far away from the static contact 1221.
When the switch is used, the rotating shaft 1223 can drive the moving contact 1222 to rotate, so as to realize switching on and switching off. Taking fig. 5 as an example, taking the main viewing angle as the direction: when the rotating shaft 1223 drives the movable contact 1222 to rotate counterclockwise, the movable contact 1222 moves close to the static contact 1221 until the movable contact 1222 contacts with the static contact 1221; when the rotating shaft 1223 drives the movable contact 1222 to rotate clockwise, the movable contact 1222 moves away from the fixed contact 1221, so that the movable contact 1222 is separated from the fixed contact 1221. It should be noted that in this embodiment, in order to eliminate the limitation of interlocking of the ISM circuit breaker in this fixed cabinet, the rotating shaft 1223 is rotated by the disconnecting switch interlocking link 123.
In some embodiments, as shown in fig. 5-7, in order to meet the protection level requirement between the breaker chamber 13 and the cable chamber 14 and to make the air-insulated cabinet safer to use, the ISM breaker 131 and the cable chamber 14 are connected by a wall bushing 133, and the wall bushing 133 is disposed in the breaker chamber 13. And in order to eliminate the limitation that the ISM circuit breaker is interlocked in the fixed cabinet, the ISM circuit breaker 131 is switched on and off through a circuit breaker interlocking link 132.
In the above embodiment, the breaker interlock link 132 includes the first link 1321 and the second link 1322, one end of the first link 1321 is connected to the ISM breaker 131, the other end of the first link 1321 is connected to one end of the second link 1322, and the other end of the second link 1322 is connected to the mechanical latch operating panel 151. The second connecting rod 1322 is controlled by the mechanical locking operation panel 151 to drive the first connecting rod 1321 to move, so that the ISM breaker 131 is switched on and off, the ISM breaker can also be applied to a fixed cabinet, the power supply reliability and stability of the fixed cabinet are improved, and the limitation problem in the traditional fixed cabinet is solved.
In some embodiments, as shown in fig. 5-7, the cable chamber 14 is also used to house a current transformer 143, the ISM breaker 131 is electrically connected to the current transformer 143 through a wall bushing 133, and the current transformer 143 is connected to the grounding switch 141.
The earthing switch 141 includes a switch rod 1411, the switch rod 1411 is rotatably connected to the earthing switch interlock link 142, and the earthing switch interlock link 142 moves up and down to drive the switch rod 1411 to rotate, so as to realize earthing and earthing of the switch rod 1411, that is, realize earthing and disconnecting of the earthing switch 141.
In some embodiments, as shown in fig. 1, 2 and 8, in order to make the air insulated cabinet safer to use, a mechanical locking operation panel 151 in the control room 15 is disposed on the front door panel 15, and the mechanical locking operation panel 151 includes a turn knob, an energizing identifier for disconnecting switch and grounding switch, a handle jack, a padlock switch and a switching jack; the knob is used for controlling the air insulation fixed cabinet to be in a working state, a maintenance state and a breaking state respectively; the isolating switch and grounding switch electrifying identification is used for displaying the electrifying state of the isolating switch and the grounding switch; the handle jack is used for inserting a handle, and the opening and closing of the isolating switch and the grounding switch are realized through the rotation of the handle; the padlock switch is used for unlocking/locking the knob of the mechanical locking operation plate; and the split jack is used for realizing the interlocking and unlocking of the two air insulation fixed cabinets. The five-prevention interlocking safety operation is realized, the non-inductive power regulation is realized through the mechanical locking operation panel, and the required protection grade is met.
In order to facilitate the operator to be familiar with the operation steps, the mechanical locking operation panel 151 may further have descriptive contents such as an operation program description and a warning description.
The five-prevention interlocking working process based on the mechanical locking operation plate 151 is as follows:
the five-prevention interlocking is integrated to the mechanical locking operation panel 151, and when the five-prevention interlocking is in a normal running state, the knob is in a working state;
the power-off operation comprises the following steps:
the knob is rotated to a breaking position, the knob drives the circuit breaker interlocking connecting rod to act at the moment, the ISM circuit breaker is opened, and the isolating switch is ensured to be in a power-off state in the operating process;
after the handle is inserted into the handle jack, the handle is rotated anticlockwise, and the isolating switch is switched off;
the handle is taken down and inserted again, the handle rotates anticlockwise, and the grounding switch is switched on and grounded;
the knob is rotated to the 'maintenance' state, the door can be opened to maintain the circuit breaker, the insertion position of the operating handle is shielded at the moment, the isolation and grounding switch cannot be operated, and only when the maintenance state is realized, the door plate can be opened and closed.
The power transmission operation is a reverse flow of the power-off operation, which is not described herein again.
The non-sensing power regulation technology is realized through the five-prevention interlocking operation process, and the system has a bus tie spare power automatic switching function without sensing of a user in a fault state, an incoming line spare power automatic switching function and a one-key sequential control function in normal operation, namely that a bulb is not turned off, a computer is not restarted, and a motor is not stopped.
In some embodiments, as shown in fig. 4, in order to ensure that the chambers are independent from each other, the inter-compartment protection level meets the IP2X requirement, the outer shell meets the IP4X requirement, and the bus bar chamber 12 is separated from the breaker chamber 13 by the first partition 4; the breaker chamber 13 is separated from the cable chamber 14 by a second partition 5.
The first partition plate 4 is a plate-shaped structure, and as shown in fig. 4, the rotating shaft 1223 is disposed on the first partition plate 4 through a bracket. The arrangement of the first partition plate 4 can ensure the stability and the orderliness of the structure in the bus chamber 12, and is convenient for installation and maintenance of maintenance personnel.
The second partition 5 has a plate-like structure, and as shown in fig. 4, a wall bushing 133 is installed on the second partition 5. The second partition plate 5 can ensure the stability and the orderliness of the structure in the breaker chamber 13, and is convenient for installation and maintenance of maintenance personnel.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An air insulation fixed cabinet comprises a fixed cabinet shell, wherein a bus chamber, a breaker chamber, a cable chamber and an instrument chamber arranged on the front side of the bus chamber are sequentially distributed in the fixed cabinet shell along the direction from the top to the bottom of the fixed cabinet shell; the instrument room is characterized in that an operation room is arranged below the instrument room, and the operation room is arranged on the front side of the breaker room; wherein the content of the first and second substances,
a bus and an isolating switch are arranged in the bus chamber, the isolating switch is directly connected with the bus, and the isolating switch is driven by an isolating switch interlocking connecting rod;
the ISM circuit breaker is arranged in the circuit breaker chamber, the ISM circuit breaker is laterally arranged in the circuit breaker chamber, and the ISM circuit breaker is driven through a circuit breaker interlocking connecting rod;
the cable chamber is used for installing a grounding switch, and the grounding switch is driven by a grounding switch interlocking connecting rod;
and a mechanical locking operation panel is arranged in the control chamber, and the mechanical locking operation panel is respectively connected with the disconnecting switch interlocking connecting rod, the circuit breaker interlocking connecting rod and the grounding switch interlocking connecting rod and is used for realizing five-prevention interlocking operation.
2. The air insulated fixed cabinet according to claim 1, wherein the isolating switch comprises a static contact, a movable contact and a rotating shaft, the static contact is directly connected with the bus, the movable contact is fixedly connected with the rotating shaft, the rotating shaft is connected with the interlocking connecting rod of the isolating switch, and the rotating shaft is fixed in the bus chamber through a bracket; the isolating switch interlocking connecting rod drives the rotating shaft to rotate so as to drive the movable contact piece to rotate.
3. The air insulated stationary cabinet according to claim 1, wherein the breaker interlocking link comprises a first link and a second link, one end of the first link is connected with the ISM breaker, the other end of the first link is connected with one end of the second link, and the other end of the second link is connected with the mechanical locking operation panel.
4. The air insulated stationary cabinet according to claim 1, wherein the grounding switch includes a switch rod, the switch rod is rotatably connected to the grounding switch interlock rod, and the up-and-down movement of the grounding switch interlock rod rotates the switch rod to ground and lift the switch rod.
5. The air insulated cabinet according to claim 1, wherein the bus bar is electrically connected to the ISM breaker through the disconnector, the ISM breaker is electrically connected to a current transformer located in the cable chamber through a wall bushing, and the current transformer is electrically connected to the grounding switch.
6. The air insulated cabinet according to claim 5, wherein the wall bushing is disposed within the circuit breaker chamber.
7. The air insulated cabinet according to claim 1, wherein the cabinet housing includes a front door panel disposed at a front side thereof and a rear door panel disposed at a rear side thereof; the rear side of the rear door plate is detachably connected with a pressure relief shell through a fastener, and a pressure relief channel is formed between the pressure relief shell and the rear door plate.
8. The air insulated cabinet according to claim 1, wherein the bus bar compartment is separated from the breaker compartment by a first partition; the breaker chamber is separated from the cable chamber by a second partition.
9. The air insulated stationary cabinet according to claim 1, wherein the mechanical locking operation panel comprises a knob, an energizing mark of an isolating switch and a grounding switch, a handle jack, a padlock switch and a switching jack; the knob is used for controlling the air insulation fixed cabinet to be in a working state, a maintenance state and a breaking state respectively; the isolating switch and grounding switch electrifying identification is used for displaying whether the isolating switch and the grounding switch are electrified or not; the handle jack is used for inserting a handle, and the opening and closing of the isolating switch and the grounding switch are realized through the rotation of the handle; the padlock switch is used for unlocking/locking the knob of the mechanical locking operation plate; and the split jack is used for realizing the interlocking and unlocking of the two air insulation fixed cabinets.
10. The air insulated cabinet according to claim 9, wherein said mechanical locking operating panel is further provided with operating program instructions to enable a non-inductive power transfer through said mechanical locking operating panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910990712.5A CN110620347A (en) | 2019-10-18 | 2019-10-18 | Air insulation fixing cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910990712.5A CN110620347A (en) | 2019-10-18 | 2019-10-18 | Air insulation fixing cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110620347A true CN110620347A (en) | 2019-12-27 |
Family
ID=68925962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910990712.5A Pending CN110620347A (en) | 2019-10-18 | 2019-10-18 | Air insulation fixing cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110620347A (en) |
-
2019
- 2019-10-18 CN CN201910990712.5A patent/CN110620347A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4848018B2 (en) | Closed switchboard for electric power | |
| US8331081B2 (en) | Electrical system, and electrical switching apparatus and shutter assembly therefor | |
| JP2008104338A (en) | Vacuum insulated switchgear | |
| JP2010193655A (en) | Earthing equipment for switchgear | |
| KR101357285B1 (en) | Drawer unit for branch breaker with multi load in switchgear | |
| KR20110026377A (en) | Vacuum insulated switch gear | |
| CN201639185U (en) | Medium-voltage full-insulated touchable ring main unit | |
| BRPI1005892A2 (en) | vacuum insulated breaker | |
| KR101033536B1 (en) | Detachable structure type high-voltage switchgear including a solid isolated alternating current load breaker switch | |
| CN210669260U (en) | Air insulation fixing cabinet | |
| CN110620347A (en) | Air insulation fixing cabinet | |
| CN203951080U (en) | Miniaturization withdraw-type AC metal closed switch cabinet | |
| CN103489696A (en) | 10kV box type double-break vacuum circuit beaker of built-in disconnector structure | |
| KR20080004735A (en) | Gas insulated incoming panel | |
| RU2285319C1 (en) | Switchgear and control gear cabinet and draw-out part of switchgear and control gear cabinet | |
| JPS6059908A (en) | Gas insulated switching device | |
| EP3709332B1 (en) | Insulated switchgear for electrical power systems | |
| KR100566440B1 (en) | Es structure of gas insulated switchgear | |
| CN203491181U (en) | 10kV box-type double-break vacuum circuit breaker structure with built-in isolation switch | |
| RU76511U1 (en) | CELL OF COMPLETE DISTRIBUTION DEVICES KRU / TEK-206 | |
| CN112448305A (en) | Outdoor landing high-voltage demarcation electric energy metering box with mechanical interlock | |
| CN208241178U (en) | Air insulation fixes cabinet | |
| CN203883359U (en) | Unit sulfur hexafluoride ring main unit | |
| CN211238040U (en) | Gas insulation looped netowrk cabinet interlock | |
| RU2792976C1 (en) | High-voltage switchgear assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |