CN211598126U

CN211598126U - Device for preventing high-voltage electrical equipment from being mistakenly inserted

Info

Publication number: CN211598126U
Application number: CN202020063105.2U
Authority: CN
Inventors: 李月英; 杨瑞; 李大海; 朱小会; 齐仁龙
Original assignee: Zhengzhou University of Science and Technology
Current assignee: Zhengzhou University of Science and Technology
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-09-29
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses a prevent mistake and go into device for high-voltage electrical equipment, including the lock that is used for locking the regulator cubicle, and open the unlocking piece of lock still includes contact switch, contact switch electric connection has the control that is used for cabinet door self-closing, is used for the warning piece of alarm, and forms and passes through the unlocking piece is realized the warning piece is opened, is closed the realization through the cabinet door the structure that the control was closed, control, warning piece parallelly connected and with the high-voltage electrical equipment's in the regulator cubicle power, switch electric connection in proper order, this a prevent mistake entry device automatic switch for high-voltage electrical equipment prevents that personnel from missing and going into electrified regulator cubicle, also prevents that irrelevant personnel from opening the regulator cubicle by mistake.

Description

Device for preventing high-voltage electrical equipment from being mistakenly inserted

Technical Field

The utility model relates to a high-voltage electrical equipment technical field specifically is a prevent mistake income device for high-voltage electrical equipment.

Background

When high-voltage electrical equipment needs to be overhauled, a plurality of electrical cabinets need to be overhauled generally, when maintenance personnel are not strong in safety responsibility, distracted in thought and attention or do not strictly meet safety technical specifications to operate in work, the electrical cabinets are always easy to mistakenly enter the live electrical cabinets, or other personnel are mistakenly entered due to the fact that the cabinet doors of the electrical cabinets are not locked, electric shock can occur, and accidents such as personal casualty, equipment damage and system power failure are caused.

SUMMERY OF THE UTILITY MODEL

To prior art not enough, for overcoming prior art's defect, the utility model aims to provide a prevent mistake and go into device for high-voltage electrical equipment, the problem of electrified regulator cubicle is gone into to the resolving staff mistake.

The technical scheme is that the device is prevented mistake and is gone into for high-voltage electrical equipment, including the lock that is used for locking the regulator cubicle, and open the unlocking piece of lock still includes contact switch, contact switch electric connection has the control that is used for cabinet door self-closing, is used for the warning piece of alarm, and forms and passes through the unlocking piece realizes the warning piece is opened, is closed through the cabinet door and realizes the structure that the control was closed, control, warning piece are parallelly connected and with the power, the switch of the high-voltage electrical equipment in the regulator cubicle electric connection in proper order.

Preferably, the contact switch includes a movable contact piece, the movable contact piece is electrically connected to the switch, and the movable contact piece is fixedly connected to an elastic member for the movable contact piece to reciprocate.

Preferably, the movable contact piece is slidably connected with a first joint and a second joint, the first joint is electrically connected with the control piece, and the second joint is fixedly connected with the warning piece.

Preferably, the moving contact piece is fixedly connected with a stopper for stopping the moving of the moving contact piece at a position close to the first joint and the second joint.

Preferably, the locking piece can be in contact fit with the surface of the movable contact piece, and the movable contact piece is in contact with the second joint surface through the locking piece.

Preferably, the electrical cabinet is slidably connected with a guide rod for separating the first connector from the movable contact piece, the guide rod can be in contact fit with the surface of the movable contact piece, and the guide rod is of a structure which can slide by closing the cabinet door.

Preferably, the unlocking piece and the guide rod are made of insulating materials.

Preferably, the door lock is a structure for realizing automatic locking of the electrical cabinet through closing of the cabinet door.

Preferably, the lock includes dwang, mounting, the dwang with the regulator cubicle rotates to be connected, the mounting with cabinet door fixed connection, be equipped with on the mounting and be used for fixing the dop of dwang, and constitute and realize rotating earlier, the structure of back fixed dwang through the dop.

Preferably, the dwang is offered and is used for the card hole that the piece that opens the lock passes through, the card hole with the dwang with the rotation connecting axle of regulator cubicle is coaxial, the card hole with the piece that opens the lock cup joints, just the card hole with the radial cross-section of the department of cup jointing of the piece that opens the lock is polygonized structure.

The utility model provides a prevent mistake income device for high-voltage electrical equipment compares beneficial effect with prior art and does:

1. contact switch electric connection has the control that is used for cabinet door self-closing, a warning piece for the alarm, and form and realize through the unlocking piece that the warning piece is opened, close the structure that realizes that the control is closed through the cabinet door, control, the parallelly connected and high-voltage electrical equipment's in the regulator cubicle power of warning piece, switch electric connection in proper order, when the unlocking piece opens the cabinet door, the control is in the closed condition, the warning piece is opened, remind this regulator cubicle circular telegram of staff to lead to the fact, when maintenance personal forgets to close the cabinet door, electrified regulator cubicle passes through control self-closing, then automatically, lock, prevent that other personnel from missing into electrified regulator cubicle, cause the occurence of failure, do not have the unlocking piece of cabinet door simultaneously, even open the cabinet door, the control also can start.

2. Regulator cubicle sliding connection has the guide arm that is used for separating first joint and movable contact spring, the guide arm can cooperate with movable contact spring surface contact, the guide arm is for realizing gliding structure through closing of cabinet door, when making the cabinet door close, the cabinet door promotes the side lever and slides and drive the guide arm and slide in the spout of regulator cubicle for the guide arm is pushing away the movable contact spring and is rotating to being located first joint, the second and connecting the position between, and whole mistake entry preventing device is in the state of opening circuit, practices thrift the electric energy.

Drawings

Fig. 1 is a front sectional view of the cabinet door in a closed state.

Fig. 2 is a sectional view taken along the direction a-a of the present invention.

Fig. 3 is a cross-sectional view along the direction B-B of the present invention.

Fig. 4 is a right side view of the rotating rod of the present invention.

Fig. 5 is a front view of the rotating member and the fixing member according to the present invention.

Fig. 6 is a front sectional view of the cabinet door of the present invention when opened.

Fig. 7 is a left enlarged view of the unlocking member of the present invention.

Fig. 8 is the utility model discloses a regulator cubicle rotates the section view of junction with the cabinet door.

Fig. 9 is a circuit diagram of the present invention.

In the figure: the switch comprises a contact switch 1, a movable contact spring 1.1, a first joint 1.2, a second joint 1.3, a blocking piece 1.4, a guide rod 1.5, a third joint 1.6, an elastic piece 1.7, an unlocking piece 2, a control piece 3, a warning piece 4, a power supply 5, a switch 6, an electrical cabinet 7, a cabinet door 8, a door 9 lock, a rotating rod 9.1, a fixing piece 9.2, a clamping hole 9.3 and a clamping head 9.4.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-9, the present invention provides a technical solution: the device for preventing the high-voltage electrical equipment from entering by mistake comprises a door lock 9 for locking an electrical cabinet 7, an unlocking piece 2 for unlocking the door lock 9 and a contact switch 1, wherein the contact switch 1 comprises a movable contact spring 1.1, the movable contact spring 1.1 is rotationally connected with the electrical cabinet 7, the movable contact spring 1.1 is electrically connected with a switch 6 through a third joint 1.6, the movable contact spring 1.1 is connected with an elastic piece 1.7 for the movable contact spring 1.1 to move back and forth in a binding mode, the elastic piece 1.7 pulls the movable contact spring 1.1 to be in surface contact with a first joint 1.2 under the condition of not being subjected to external force, the elastic piece 1.7 is made of a suitable insulating material such as a rubber rope, the movable contact spring 1.1 is in sliding connection with the first joint 1.2 and a second joint 1.3, the first joint 1.2 and the second joint 1.3 are bonded with the electrical cabinet 7, the contact switch 1 is electrically connected with a cabinet door 3 for automatically closing through the first joint 1.2, the control piece 3 is a motor, and the control piece 3 is positioned at the, the control piece 3 is fixedly connected with a cabinet door 8 in a clamping mode, the control piece 3 is bolted on the electrical cabinet 7, the cabinet door 8 is closed by driving the cabinet door 8 to rotate relative to the electrical cabinet 7 through the control piece 3, the contact switch 1 is fixedly connected with a warning piece 4 for alarming through a second joint 1.3, the warning piece 4 is a buzzer and can be positioned at the upper part of a cabinet opening of the electrical cabinet 7, a blocking piece 1.4 for blocking the movement of the movable contact piece 1.1 is bonded at the position, close to the first joint 1.2 and the second joint 1.3, of the movable contact piece 1.1, and the blocking piece 1.4 enables the movable contact piece 1.1 to slide between the first joint 1.2 and the second joint 1.3.

Unlocking piece 2 can with movable contact spring 1.1 surface contact cooperation, and movable contact spring 1.1 connects 1.3 surface contact through unlocking piece 2 and second, under unlocking piece 2 promotes, thereby movable contact spring 1.1 rotates and connects 1.3 surface contact with the second for warning 4 plays the warning effect, thereby forms and realizes opening the structure of warning 4 through unlocking piece 2.

Regulator cubicle 7 sliding connection has the guide arm 1.5 that is used for separating first joint 1.2 and movable contact 1.1, guide arm 1.5 can with movable contact 1.1 surface contact cooperation, guide arm 1.5 is the structure that realizes the slip through closing of cabinet door 8, be equipped with a side lever on the guide arm 1.5, when cabinet door 8 closed, cabinet door 8 promotes the side lever and slides and drive guide arm 1.5 and slide in the spout of regulator cubicle 7, make guide arm 1.5 push movable contact 1.1 and rotate to being located first joint 1.2, the second connects between 1.3, thereby make movable contact 1.1 and first joint 1.2 part, thereby form and close the structure that realizes closing control 3 through cabinet door 8.

The control element 3 and the warning element 4 are connected in parallel and are electrically connected with the power supply 5 and the switch 6 of the high-voltage electrical equipment in the electrical cabinet 7 in sequence, namely, the control element 3 and the warning element 4 are connected in parallel, one end of the connected control element is electrically connected with the power supply 5 and the switch 6 in sequence, the switch 6 is electrically connected with the third connector 1.6, the control element 3 is electrically connected with the first connector 1.2, and the warning element 4 is electrically connected with the second connector 1.3, so that when the high-voltage electrical equipment in the electrical cabinet 7 is powered off, the warning element 4 and the control element 3 are in a closed state and stop acting.

The door lock 9 is a structure for realizing the automatic locking of the electrical cabinet 7 by closing the cabinet door 8, the door lock 9 comprises a rotating rod 9.1 and a fixing part 9.2, the rotating rod 9.1 is rotatably connected with the electrical cabinet 7, the rotating rod 9.1 is provided with a clamping hole 9.3 for the passage of the unlocking part 2, the clamping hole 9.3 is coaxial with the rotating rod 9.1 and a rotating connecting shaft of the electrical cabinet 7, the clamping hole 9.3 is sleeved with the unlocking part 2, the radial section of the sleeved part of the clamping hole 9.3 and the unlocking part 2 is of a polygonal structure suitable for hexagon and the like, the clamping hole 9.3 drives the rotating rod 9.1 to rotate when the unlocking part 2 rotates, so that the door lock 9 is opened, the electrical cabinet 7 is provided with a groove in a groove hole tightly attached to the clamping hole 9.3, the length direction of the groove is in the circumferential direction of the groove hole, the groove is provided with an opening communicated with the external environment, the opening is positioned on the axial horizontal plane of the groove hole, can be in quiescent condition, and make unlocking part 2 make dwang 9.1 be located when pinning cabinet door 8's position, just can take out, dwang 9.1 is only located the position of pinning cabinet door 8 this moment, but not necessarily make cabinet door 8 be in the pinning state, mounting 9.2 bonds with cabinet door 8, mounting 9.2 is equipped with dop 9.4 that is used for fixed dwang 9.1, in cabinet door 8 closes the in-process, dop 9.4 rotates along with cabinet door 8's rotation, dop 9.4 earlier with be located the dwang 9.1 sliding contact who pins cabinet door 8's position department, make dwang 9.1 upwards rotate, after reaching dop 9.4's highest position, dwang 9.1 downwards rotates and makes dwang 9.1 fixed through dop 9.4, thereby constitute and realize earlier rotating through dop 9.4, the structure of after-fixing dwang 9.1.

The unlocking part 2, the guide rod 1.5 and the door lock 9 are made of suitable insulating materials such as plastics, and the part of the electrical cabinet 7 wrapping the door lock 9 and the contact switch 1 is also made of suitable insulating materials such as ceramics.

When the staff maintains, the high-voltage electrical equipment outage in the regulator cubicle 7, it is harmless to personnel, warning 4, control 3 is in the closed condition, when the staff mistake goes into electrified high-voltage electrical equipment regulator cubicle 7 in, need open cabinet door 8 with unlocking piece 2 earlier, at this moment, control 3 is in the closed condition, warning 4 is opened, remind this regulator cubicle 7 circular telegram of staff at any time, when maintenance personnel forget to close cabinet door 8, electrified regulator cubicle 7 passes through control 3 self-closing, then automatically, lock, prevent that other personnel from mistake from going into electrified regulator cubicle 7, cause the occurence of failure, do not have unlocking piece 2 of cabinet door 8 simultaneously, even open cabinet door 8, control 3 also can start immediately, make cabinet door 8 close, prevent that irrelevant personnel from opening regulator cubicle 7 by mistake.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A prevent mistake and go into device for high-voltage electrical equipment, including being used for locking door lock (9) of regulator cubicle (7), and open latch member (2) of opening door lock (9), its characterized in that: still include contact switch (1), contact switch (1) electric connection has control (3) that are used for cabinet door (8) self-closing, warning piece (4) that are used for the police dispatch newspaper to form and pass through unlocking piece (2) are realized warning piece (4) are opened, are closed through cabinet door (8) and realize the structure that control (3) were closed, control (3), warning piece (4) are parallelly connected and with power (5), the switch (6) of the high-voltage electrical equipment in regulator cubicle (7) electric connection in proper order.

2. Anti-misinsertion apparatus for electrical high-voltage equipment according to claim 1, characterized in that: the contact switch (1) comprises a movable contact piece (1.1), the movable contact piece (1.1) is electrically connected with the switch (6), and the movable contact piece (1.1) is fixedly connected with an elastic piece (1.7) used for the movable contact piece (1.1) to move back and forth.

3. Anti-misinsertion apparatus for electrical high-voltage equipment according to claim 2, characterized in that: the movable contact piece (1.1) is connected with a first connector (1.2) and a second connector (1.3) in a sliding mode, the first connector (1.2) is electrically connected with the control piece (3), and the second connector (1.3) is fixedly connected with the warning piece (4).

4. Anti-misinsertion apparatus for electrical high-voltage equipment according to claim 3, characterized in that: the moving contact piece (1.1) is fixedly connected with a blocking piece (1.4) used for blocking the moving of the moving contact piece (1.1) at the position clinging to the first joint (1.2) and the second joint (1.3).

5. Anti-misinsertion apparatus for electrical high-voltage equipment according to claim 3, characterized in that: the unlocking piece (2) can be in surface contact fit with the movable contact piece (1.1), and the movable contact piece (1.1) is in surface contact with the second connector (1.3) through the unlocking piece (2).

6. Anti-misinsertion apparatus for electrical high-voltage equipment according to claim 3, characterized in that: the electric cabinet (7) is connected with a guide rod (1.5) used for separating the first connector (1.2) and the movable contact piece (1.1) in a sliding mode, the guide rod (1.5) can be in contact fit with the surface of the movable contact piece (1.1), and the guide rod (1.5) is of a structure capable of achieving sliding through closing of a cabinet door (8).

7. Anti-misinsertion apparatus for electrical high-voltage equipment according to claim 6, characterized in that: the unlocking part (2) and the guide rod (1.5) are made of insulating materials.

8. Anti-misinsertion apparatus for electrical high-voltage equipment according to claim 1, characterized in that: the door lock (9) is a structure for realizing the automatic locking of the electric cabinet (7) through the closing of the cabinet door (8).

9. The device for preventing erroneous entry of high-voltage electrical equipment according to claim 8, wherein: door lock (9) include dwang (9.1), mounting (9.2), dwang (9.1) with regulator cubicle (7) are rotated and are connected, mounting (9.2) with cabinet door (8) fixed connection, be equipped with on mounting (9.2) and be used for fixing dop (9.4) of dwang (9.1), and constitute and realize rotating earlier, the structure of after-fixing dwang (9.1) through dop (9.4).

10. Anti-misinsertion apparatus for electrical high-voltage equipment according to claim 9, characterized in that: dwang (9.1) offer be used for card hole (9.3) that unlocking piece (2) passed through, card hole (9.3) with dwang (9.1) with the rotation connecting axle of regulator cubicle (7) is coaxial, card hole (9.3) with unlocking piece (2) cup joints, just card hole (9.3) with the radial cross-section of the department of cup jointing of unlocking piece (2) is polygonized structure.