CN113410036A

CN113410036A - Voltage transformer cabinet with emergency electricity taking function

Info

Publication number: CN113410036A
Application number: CN202110825969.2A
Authority: CN
Inventors: 陈卢明; 侯范武; 余希; 韩博宇; 林允缪; 杨瑞丽; 吴松臻; 李长远
Original assignee: Jubang Group Co ltd
Current assignee: Jubang Group Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-09-17

Abstract

The invention provides a voltage transformer cabinet with emergency power taking, comprising: a cabinet body; a common power-on component, which is arranged in the cabinet and is suitable for being connected with a common power supply; a spare power-on component is arranged in the cabinet, The utility model is suitable for connecting with the standby power supply; the connecting component is arranged in the cabinet and is respectively connected with the common energizing component and the standby energizing component. The voltage transformer cabinet can overcome the defect in the prior art that the power supply cannot be restored in a short time, thereby leading to the paralysis of the power supply system.

Description

Voltage transformer cabinet with emergency electricity taking function

Technical Field

The invention relates to the technical field of high-voltage distribution equipment, in particular to a voltage transformer cabinet with emergency electricity taking function.

Background

The voltage transformer cabinet is generally directly installed on a bus to detect the bus voltage and realize a cabinet of protect function, and if the current voltage transformer cabinet meets an emergency situation, a power supply end power supply is cut off and can not be recovered in a short time, so that all power supply systems below the power supply end are paralyzed, and some first-level power load units such as hospitals and mines are seriously influenced, thereby causing great influence on lives and properties of personnel.

Disclosure of Invention

Therefore, the invention aims to overcome the defect that the power supply system is broken down due to the fact that the power supply cannot be recovered within a short time in the prior art, and provides the voltage transformer cabinet with the emergency power taking function.

Therefore, the invention provides a voltage transformer cabinet with emergency electricity taking function, which comprises: a cabinet body; the common power-on assembly is arranged in the cabinet body and is suitable for being connected with a common power supply; the standby power-on assembly is arranged in the cabinet body and is suitable for being connected with a standby power supply; the connecting assembly is arranged in the cabinet body and is respectively connected with the common electrifying assembly and the standby electrifying assembly, and the connecting assembly is suitable for being connected with an external incoming line cabinet or an outgoing line cabinet.

Further: the standby power-on assembly includes: spare load switch, bar copper and get the electric plug, spare load switch upper end is connected with coupling assembling through the generating line copper bar, and the lower extreme passes through the bar copper and gets electric connector assembly, get the one end and the external power source connection of electric plug dorsad bar copper, the subassembly that leads to commonly used includes load switch commonly used to and be suitable for the thimble assembly that links to each other with the cable, load switch commonly used upper end pass through the generating line copper bar with coupling assembling links to each other, the lower extreme with the thimble assembly links to each other, load switch commonly used with spare load switch is the diagonal angle setting.

Further: the cabinet body includes cavity and lower cavity, it is provided with first baffle to go up between cavity and the lower cavity, load switch commonly used with reserve load switch all sets up in the cavity, it runs through to get the electric plug first baffle sets up, and it has and stretches into go up the cavity, with the bar copper connecting portion that the bar copper links to each other, and stretch into down the cavity, with the plug portion that stand-by power supply links to each other.

Further: the lower cavity comprises a lower front cavity and a lower rear cavity which are separated by a second partition plate, the lower front cavity is provided with a voltage transformer, and the lower rear cavity is internally provided with the plug part.

Further: the rear cavity chamber comprises a rear cable chamber and a pressure relief chamber which are separated through a third partition plate, the plug part is arranged in the rear cable chamber, and a pressure relief valve and a pressure relief plate arranged at the bottom of the pressure relief chamber are arranged in the pressure relief chamber.

Further: the cabinet body is provided with a lower rear door suitable for shielding the lower rear chamber, an interlocking assembly is arranged between the lower rear door and the grounding switch, and the interlocking assembly is provided with a first state which is matched and locked with the lower rear door when the grounding switch is in a brake-off state, and a second state which is matched and locked with the grounding switch to prevent the grounding switch from being switched off when the grounding switch is in a brake-on grounding state.

Further: the interlock assembly includes: the hole blocking plate is movably arranged on the cabinet body and is provided with an initial position for inserting the operating handle to operate the grounding knife operating shaft and a shielding position suitable for shielding the grounding knife operating shaft; one end of the elastic piece is fixedly connected with external equipment, and the other end of the elastic piece is connected with the hole blocking plate; the program lock is suitable for controlling the unlocking or locking of the lower back door and the hole blocking plate; when the hole blocking plate is located at the initial position, the program lock controls the lower rear door to be in the locking state; when the hole blocking plate is located at the shielding position, the program lock can control the lower back door to be unlocked, and when the lower back door is located at an unlocking state, the hole blocking plate is locked at the shielding position by the program lock.

Further: the program lock comprises a lock plate, a key and a movable shaft, wherein the lock plate is further provided with an insertion hole, the insertion hole is used for inserting the key to drive the movable shaft to move, and the movable shaft can drive the hole blocking plate to move from the initial position to the shielding position.

Further: the key has a locked state in which the key cannot be pulled out from the jack when the earthing switch is in an open state, and an unlocked state in which the key can be pulled out from the jack when the earthing switch is in a closed earthing state.

Further: the grounding knife operating shaft is coaxially provided with a limiting cap, a gap is formed in the limiting cap, and a blocking piece capable of being inserted into the gap is arranged on the blocking hole plate; when the grounding switch is in a closing grounding state, the notch and the blocking piece are arranged oppositely, the key can drive the blocking hole plate to move from the initial position to the shielding position, and the key is switched from the locking state to the unlocking state; when the grounding switch is in a brake-off state, the notch is not arranged opposite to the blocking piece, the limiting cap is abutted to the blocking hole plate to prevent the limiting cap from moving to the shielding position, and the key is in the locking state.

The technical scheme of the invention has the following advantages:

1. according to the voltage transformer cabinet with the emergency power taking function, when a power supply system is broken down, an external power supply is connected with the standby power taking plug and then connected with the standby load switch through the copper bar to form a new power-on circuit, so that after a common circuit is switched off, the standby power supply can be quickly powered on through the standby circuit, and the power supply system can be quickly recovered.

2. According to the voltage transformer cabinet with the emergency power taking function, the two locks and the key are arranged, when emergency power taking is needed, the switch is driven to the grounding position, the program lock blocks the grounding operation hole, the key is pulled out to unlock the back door program lock (the key can be taken out only when the switch is in the grounding position), and therefore the life safety of operators can be guaranteed to a large extent.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a side view of a voltage transformer cabinet;

FIG. 2 is another angular side view of the voltage transformer cabinet;

FIG. 3 is a schematic perspective view of a voltage transformer cabinet;

FIG. 4 is a schematic perspective view of another angle of the voltage transformer cabinet;

FIG. 5 is a rear view of the voltage transformer cabinet;

FIG. 6 is a rear view of the voltage transformer cabinet

FIG. 7 is a schematic diagram of the internal structure of the voltage transformer cabinet;

fig. 8 is a schematic structural diagram of the interlocking assembly when the grounding switch is in a closing grounding state and the key is rotated by 180 degrees;

FIG. 9 is a schematic structural view of the interlock assembly with the grounding switch in the open state and the key not rotated;

FIG. 10 is a schematic structural view of the interlock assembly with the grounding switch in the open state and the key rotated by a certain angle;

FIG. 11 is a top view of a baffle plate;

fig. 12 is a schematic plan view of the position-limiting cap.

Description of reference numerals:

1. a cabinet body; 11. an upper chamber; 12. a lower chamber; 120. a second separator; 121. a lower front chamber; 122. a lower rear chamber; 13. a first separator; 2. common power components; 21. a common load switch; 22. a bushing assembly; 3. a standby power-on component; 31. a standby load switch; 32. a copper bar; 33. taking a power plug; 331. a connecting portion; 332. a plug portion; 4. a connecting assembly; 5. a voltage transformer; 6. a third partition plate; 61. a rear cable chamber; 62. a pressure relief chamber; 63. a pressure relief valve; 64. a pressure relief plate; 7. a lower rear door; 8. a hole blocking plate; 81. a grounding switch operating shaft; 82. an elastic member; 83. a program lock; 831. a locking plate; 832. a movable shaft; 833. a jack; 9. a limiting cap; 91. a notch; 92. a baffle plate.

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.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Examples

This embodiment provides a take emergent 5 cabinets of voltage transformer of getting electricity usefulness, a serial communication port, include:

a cabinet body 1; the common power-on assembly 2 is arranged in the cabinet body 1 and is suitable for being connected with a common power supply; the standby power-on assembly 3 is arranged in the cabinet body 1 and is suitable for being connected with a standby power supply; and the connecting assembly 4 is arranged in the cabinet body 1 and is respectively connected with the common electrifying assembly 2 and the standby electrifying assembly 3, and the connecting assembly 4 is suitable for being connected with an external incoming line cabinet or an outgoing line cabinet.

The specific improvement is as follows: as shown in fig. 1-12, two circuits are disposed inside the cabinet body 1, the first circuit is a circuit for daily use, the other circuit is a standby circuit, the circuit for daily use is connected from the common power-on component 2 for power supply, and when the circuit for daily use is disconnected and the circuit cannot be quickly restored, the standby power-on component 3 can be connected for power supply.

On the basis of the above-described embodiment: the standby energization assembly 3 includes: spare load switch 31, bar copper 32 and get electric plug 33, spare load switch 31 upper end is passed through the busbar copper and is connected with coupling assembling 4, and the lower extreme passes through the bar copper 32 and gets electric plug 33 and be connected, it is connected with external power source to get the one end of bar copper 32 dorsad of electric plug 33, it includes load switch 21 commonly used to energize subassembly 2 commonly used to and be suitable for the thimble assembly 22 that links to each other with the cable, load switch 21 commonly used upper end pass through the busbar copper with coupling assembling 4 links to each other, the lower extreme with thimble assembly 22 links to each other, load switch 21 commonly used with spare load switch 31 is the diagonal setting. In this embodiment, the connection assembly 4 is a side expanding pipe.

The specific improvement is as follows: as shown in fig. 1: the standby power-on component 3 comprises a load switch, a copper bar 32 and a power-taking plug 33, and the standby circuit is connected in sequence of an external power supply, the power-taking plug 33, the copper bar 32, the load switch, a bus copper bar, a connecting component, a wire inlet cabinet and a wire outlet cabinet; through the setting of reserve circular telegram subassembly 3, can form a new circuit in the cabinet body 1 to guarantee under the circuit outage's of daily use the condition, the cabinet body 1 can the quick recovery circuit, and load switch 21 and reserve load switch 31 commonly used are diagonal structure setting, can the effectual space of practicing thrift the cabinet body 1.

On the basis of the above-described embodiment: the cabinet body 1 includes cavity 11 and lower cavity 12, it is provided with first baffle 13 to go up between cavity 11 and the lower cavity 12, load switch 21 commonly used with reserve load switch 31 all sets up in last cavity 11, it runs through to get electric plug 33 first baffle 13 sets up, and it has and stretches into go up cavity 11, with copper bar 32 connecting portion 331 that copper bar 32 links to each other, and stretch into cavity 12 down, with plug portion 332 that stand-by power supply links to each other.

On the basis of the above-described embodiment: the lower chamber 12 includes a lower front chamber 121 and a lower rear chamber 122 separated by a second partition 120, the lower front chamber 121 is provided with a voltage transformer 5, and the lower rear chamber 122 is provided with the plug portion 332.

The specific improvement is as follows: the specific improvement is as follows: as shown in fig. 1 and 2: the cabinet body 1 is divided into an upper chamber 11 and a lower chamber 12 by the first partition plate 13, the standby load switch 31 and the common load switch 21 are arranged in the upper chamber 11, the lower chamber 12 is used for installing the plug part 332 and is connected with an external power supply, and all components can be orderly arranged by the arrangement of the upper chamber 11 and the lower chamber 12.

On the basis of the above-described embodiment: the lower rear cavity 122 includes a rear cable chamber 61 and a pressure relief chamber 62 separated by a third partition 6, the plug portion 332 is disposed in the rear cable chamber 61, and a pressure relief valve 63 and a pressure relief plate 64 disposed at the bottom of the pressure relief chamber 62 are disposed in the pressure relief chamber 62.

The specific improvement is as follows: as shown in fig. 1-7: lower rear chamber 122 is divided into rear cable chamber 61 and pressure relief chamber 62 through third baffle 6, separates pressure relief chamber 62 and rear cable chamber 61, and in the pressure relief process, can avoid other components and parts to damage.

On the basis of the above-described embodiment: the cabinet body 1 is provided with a lower rear door 7 suitable for shielding the lower rear chamber 122, an interlocking component is arranged between the lower rear door 7 and the grounding switch, and the interlocking component is provided with a first state which is matched and locked with the lower rear door 7 when the grounding switch is in a brake-off state, and a second state which is matched and locked with the grounding switch to prevent the grounding switch from being opened when the grounding switch is in a brake-on grounding state.

The specific improvement is as follows: as shown in fig. 8-10: an interlocking component is arranged between the lower rear door 7 and the grounding switch, the lower rear door 7 and the grounding switch share one unlocking key, and only when the equipment is in a grounding position, the key inserted into the grounding switch can be pulled out to unlock the lower rear door 7.

On the basis of the above-described embodiment: the interlock assembly includes: the hole blocking plate 8 is movably arranged on the cabinet body 1 and is provided with an initial position for inserting an operating handle to operate the grounding knife operating shaft 81 and a shielding position suitable for shielding the grounding knife operating shaft 81; one end of the elastic element 82 is fixedly connected with external equipment, and the other end of the elastic element is connected with the hole blocking plate; a program lock 83 adapted to control unlocking or locking of the lower rear door 7 and the hole shutter 8; when the hole blocking plate 8 is in the initial position, the program lock 83 controls the lower rear door 7 to be in the locked state; when the hole blocking plate 8 is located at the blocking position, the program lock 83 can control the lower back door 7 to be unlocked, and when the lower back door 7 is located at the unlocking state, the hole blocking plate 8 is locked at the blocking position by the program lock 83.

On the basis of the above-described embodiment: the program lock 83 includes a lock plate 831, a key and a movable shaft 832, the lock plate 831 is further provided with an insertion hole 833, the insertion hole 833 is used for inserting the key to drive the movable shaft 832 to move, and the movable shaft 832 can drive the hole blocking plate 8 to move from the initial position to the shielding position.

On the basis of the above-described embodiment: the key has a locked state in which the key cannot be pulled out from the insertion hole 833 when the ground switch is in the open state, and an unlocked state in which the key can be pulled out from the insertion hole 833 when the ground switch is in the closed state. It should be noted that the structure in which the key is rotated to the set position and then pulled out of the insertion hole 833 is a well-established technology in the prior art, and therefore, the structure and the operation principle thereof will not be described in detail.

On the basis of the above-described embodiment: the grounding knife operating shaft 81 is coaxially provided with a limiting cap 9, a notch 91 is formed in the limiting cap 9, and a blocking piece 92 capable of being inserted into the notch 91 is arranged on the blocking hole plate 8; when the grounding switch is in a closing grounding state, the notch 91 is arranged opposite to the blocking piece 92, the key can drive the blocking hole plate 8 to move from the initial position to the shielding position, and the key is switched from the locking state to the unlocking state; when the grounding switch is in a switching-off state, the notch 91 is not arranged opposite to the blocking piece 92, the limiting cap 9 abuts against the blocking hole plate 8 to prevent the blocking hole plate from moving to the blocking position, and the key is in the locking state.

The specific improvement is as follows: before the lock of back door 7 down needs to be opened, can insert the position of ground connection sword operating axis 81 with operating handle, rotate ground connection sword operating axis 81, make stop cap 9 rotate 180, breach 91 is towards one side of jam plate 831 this moment, rotate 180 with the key again, the key is pulled out, the key pivoted in-process elastic component is stretched, the pivoted in-process removes axle 832 and moves right, drive fender board 8 and move right, the separation blade 92 of fender board 8 inserts to the breach 91 department of stop cap 9, operating personnel can't insert operating handle operation earthing switch, the equipment is in the earthing position this moment, can take the key to open back door 7 down. If the grounding switch is in the opening position, the notch 91 on the limiting cap 9 faces to one side back to the locking plate 831, the key cannot be pulled out due to insufficient line spacing rotation of 180 degrees, and the lower back door 7 cannot be opened, so that the operator can be reminded that the equipment is not in the grounding position, and casualties caused by mistaken opening of the cabinet door by the operator are avoided.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. The utility model provides a take emergent voltage transformer cabinet of getting electric usefulness which characterized in that includes:

a cabinet body (1);

the common power-on assembly (2) is arranged in the cabinet body (1) and is suitable for being connected with a common power supply;

the standby power-on assembly (3) is arranged in the cabinet body (1) and is suitable for being connected with a standby power supply;

the connecting assembly (4) is arranged in the cabinet body (1) and is respectively connected with the common electrifying assembly (2) and the standby electrifying assembly (3), and the connecting assembly (4) is suitable for being connected with an external incoming line cabinet or an outgoing line cabinet.

2. The voltage transformer cabinet with the emergency electricity taking function as claimed in claim 1, wherein: the standby energization assembly (3) includes: spare load switch (31), bar copper (32) and get electric plug (33), spare load switch (31) upper end is connected with coupling assembling (4) through the generating line copper bar, and the lower extreme passes through bar copper (32) and gets electric plug (33) to be connected, the one end of getting electric plug (33) bar copper (32) dorsad is connected with external power source, common circular telegram subassembly (2) are including common load switch (21) to and be suitable for bushing assembly (22) that link to each other with the cable, common load switch (21) upper end pass through the generating line copper bar with coupling assembling (4) link to each other, the lower extreme with bushing assembly (22) link to each other, common load switch (21) with spare load switch (31) are the diagonal setting.

3. The voltage transformer cabinet with the emergency electricity taking function as claimed in claim 2, wherein: the cabinet body (1) includes cavity (11) and lower cavity (12), it is provided with first baffle (13) to go up between cavity (11) and lower cavity (12), load switch (21) commonly used with stand-by load switch (31) all sets up in last cavity (11), it runs through to get electric plug (33) first baffle (13) setting, it has and stretches into go up cavity (11), with bar copper (32) connecting portion (331) that bar copper (32) link to each other, and stretch into lower cavity (12), with plug portion (332) that stand-by power supply links to each other.

4. The voltage transformer cabinet with the emergency electricity taking function as claimed in claim 3, wherein: the lower chamber (12) comprises a lower front chamber (121) and a lower rear chamber (122) which are separated by a second partition plate (120), the lower front chamber (121) is provided with a voltage transformer (5), and the lower rear chamber (122) is internally provided with the plug part (332).

5. The voltage transformer cabinet with the emergency electricity taking function as claimed in claim 4, wherein: lower back cavity (122) is including cable chamber (61) and pressure release room (62) behind through third baffle (6) partitioned, plug portion (332) sets up in back cable chamber (61), be equipped with relief valve (63) in pressure release room (62) to and locate pressure release board (64) of its bottom.

6. The voltage transformer cabinet with the emergency electricity taking function as claimed in any one of claims 1 to 5, wherein: the cabinet body (1) is provided with a lower rear door (7) suitable for shielding the lower rear chamber (122), an interlocking assembly is arranged between the lower rear door (7) and an earthing switch, and the interlocking assembly is provided with a first state which is matched and locked with the lower rear door (7) when the earthing switch is in a switching-off state, and a second state which is matched and locked with the earthing switch to prevent the earthing switch from being switched off when the earthing switch is in a switching-on earthing state.

7. The voltage transformer cabinet with the emergency electricity taking function as claimed in claim 6, wherein: the interlock assembly includes:

the hole blocking plate (8) is movably arranged on the cabinet body (1) and is provided with an initial position for inserting an operating handle to operate the grounding knife operating shaft (81) and a shielding position suitable for shielding the grounding knife operating shaft (81);

one end of the elastic piece (82) is fixedly connected with external equipment, and the other end of the elastic piece is connected with the hole blocking plate (8);

a program lock (83) adapted to control the unlocking or locking of the lower rear door (7) and the shutter;

wherein when the hole blocking plate (8) is at the initial position, the program lock (83) controls the lower rear door (7) to be in the locking state;

when the hole blocking plate (8) is located at the shielding position, the program lock (83) can control the lower rear door (7) to be unlocked, and when the lower rear door (7) is located at an unlocking state, the hole blocking plate (8) is locked at the shielding position by the program lock (83).

8. The voltage transformer cabinet with the emergency electricity taking function according to claim 7, characterized in that: the program lock (83) comprises a lock plate (831), a key and a movable shaft (832), wherein an insertion hole (833) is further formed in the lock plate (831), the insertion hole (833) is used for inserting the key to drive the movable shaft (832) to move, and the movable shaft (832) can drive the hole blocking plate (8) to move from the initial position to the shielding position.

9. The voltage transformer cabinet with the emergency electricity taking function according to claim 8, characterized in that: the key has a locked state in which the key cannot be pulled out from the insertion hole (833) when the ground switch is in an open state, and an unlocked state in which the key can be pulled out from the insertion hole (833) when the ground switch is in a closed state.

10. The voltage transformer cabinet with the emergency electricity taking function according to claim 9, characterized in that: the grounding knife operating shaft (81) is coaxially provided with a limiting cap (9), a notch (91) is formed in the limiting cap (9), and a blocking piece (92) capable of being inserted into the notch (91) is arranged on the blocking hole plate (8);

when the grounding switch is in a closing grounding state, the notch (91) and the blocking piece (92) are arranged oppositely, the key can drive the blocking hole plate (8) to move from the initial position to the shielding position, and the key is switched from the locking state to the unlocking state;

when the grounding switch is in a brake-off state, the notch (91) is not arranged opposite to the blocking piece (92), the limiting cap (9) is abutted to the blocking hole plate (8) to prevent the limiting cap from moving to the shielding position, and the key is in the locking state.