CN111818741A

CN111818741A - Electrical equipment box

Info

Publication number: CN111818741A
Application number: CN202010593593.2A
Authority: CN
Inventors: 童克安格
Original assignee: Hefei Volt Ampere Technology Co ltd
Current assignee: GUANGDONG BAI LIN ELECTRICAL EQUIPMENT FACTORY Co.,Ltd.
Priority date: 2020-06-27
Filing date: 2020-06-27
Publication date: 2020-10-23
Anticipated expiration: 2040-06-27
Also published as: CN111818741B

Abstract

The invention discloses an electrical equipment box, which comprises a door frame, wherein a door body is hinged in the door frame, the door body comprises a door plate, an upper end plate and a lower end plate which are respectively arranged at the upper end and the lower end of the door plate, and a side end plate arranged at one side of the door plate, rotating pins are respectively arranged at one sides of the upper end plate and the lower end plate close to the side end plate, pin holes for the rotating pins to be inserted and hinged are respectively arranged at one sides of the upper end rod and the lower end rod close to the right end rod, a locking piece inserting hole is arranged on the side wall of the right end rod opposite to the left end rod, a locking piece capable of being inserted into the locking piece inserting hole is arranged at one side of the door body far away. According to the invention, the door of the electrical equipment box can be opened in different modes by changing different operation modes of the door handle, the opening mode is flexible and simple, and the opening mode can be flexibly changed in different places.

Description

Electrical equipment box

Technical Field

The present invention relates to an electrical equipment box.

Background

Electrical Equipment (Electrical Equipment) is a general term for Equipment such as generators, transformers, power lines, and circuit breakers in an Electrical power system. The electric vehicle generally comprises a power supply and electric equipment, wherein the power supply comprises a storage battery, a generator and a regulator thereof, and the electric equipment comprises a starting system of an engine, illumination, signals, instruments and the like of an automobile.

Electrical equipment generally all installs in electrical equipment box, and electrical equipment box generally includes the box and sets up the chamber door on the box, and current chamber door generally all is ordinary articulated formula and connects on the box, and the mode of opening of chamber door is comparatively single, to some special places, the single mode of opening of place chamber door that comparatively limits as the space can't become flexible according to the use place, can cause the chamber door to open completely, is not convenient for overhaul, maintain electrical equipment in the box.

Disclosure of Invention

The invention provides an electrical equipment box, aiming at the problems of the electrical equipment box in the prior art.

In order to solve the technical problem, the invention is solved by the following technical scheme:

electrical equipment box, including the chamber door, the chamber door includes the door frame, the door frame is for including the upper end pole, lower end pole, the cuboid frame construction of left end pole and right end pole, it has a body to articulate in the door frame, the door body includes the door plant, still including setting up in the upper end board and the lower end board at the upper and lower both ends of door plant respectively and setting up in the side end board of door plant one side, the upper end board, lower end board and side end board all set up with the door plant is perpendicular, one side that leans on near side end board of upper end board and lower end board all is equipped with supplies the rotating pin to insert articulated pinhole, be equipped with the locking piece jack on the lateral wall relative with the left end pole of right-hand member pole, one side of keeping away from the side end board of the door body is equipped with can insert the locking piece in the locking piece jack, be equipped with the door.

Preferably, a rotating pin mounting seat is fixed on the inner side face of the door plate, one end of a rotating pin is inserted into the rotating pin mounting seat, the other end of the rotating pin can penetrate out of the door body, a baffle ring is fixed on the rotating pin, a rotating pin spring which is longitudinally arranged is further sleeved on the rotating pin, the rotating pin spring has the tendency of pushing the rotating pin out of the door body, one end of the rotating pin abuts against the baffle ring, and the other end of the rotating pin abuts against the rotating pin mounting seat. The arrangement of the rotating pin spring and the rotating pin can ensure that the door body and the door frame are very convenient to detach and install.

As preferred, be equipped with the handle mount pad on the door body, pass in the handle mount pad and can pivoted handle spliced pole, the door handle is connected to handle spliced pole one end, the other end is connected with the locking piece, the part that lies in the door plant inboard on the handle mount pad is for being cylindric locking piece connecting seat, the locking piece is established the inside on the locking piece connecting seat for the connecting portion of circular slot form and fix the grafting portion on the connecting portion lateral wall including the cover, connecting portion can rotate around the locking piece connecting seat, the handle spliced pole can pass and be equipped with spacing lug on the downthehole wall that connecting portion shanggong handle spliced pole passed, be equipped with the spacing groove that supplies spacing lug. The door handle can realize simple and quick opening and closing of the door body on the door frame, and an operator can conveniently and quickly observe and maintain the electric appliance in the electrical equipment box.

Preferably, the end face of the box body for mounting the door body is provided with door frame mounting plates fixed at the upper end and the lower end of the box body respectively, the upper door frame mounting plate and the lower door frame mounting plate are provided with sliding grooves with opposite openings, the door body can be inserted into the sliding grooves from one side of the box body, and the upper end and the lower end of the door body can slide in the sliding grooves. Sliding fit between door frame and the box, and can break away from the box completely to can dismantle door frame and the door body completely according to actual need, the maintenance to the interior electrical equipment of box that the operating personnel of being convenient for is more nimble.

Preferably, the door frame mounting plate is provided with a door frame jack, the upper end face and the lower end face of the door frame are respectively provided with a door frame bolt capable of being inserted into the door frame jack, the door frame bolt comprises an outer shell, a bolt column capable of sliding up and down is arranged in the outer shell, and a bolt spring enabling the bolt to tend to be inserted into the door frame jack is arranged on the bolt column. The arrangement of the bolt spring can ensure that the door frame bolt is stably inserted into the door frame jack, thereby ensuring the stable connection between the door frame and the box body.

As preferred, be fixed with bolt canceling mechanism on the inside wall of door plant, bolt canceling mechanism is including fixing the supporting seat on the door plant inside wall, supporting seat symmetric distribution is in the upper and lower both sides of locking piece, wear to be equipped with on the supporting seat and remove the gag lever post, the one end of removing the gag lever post can wear out the door body and insert in the door frame, it supports the gag lever post spring that supports on the supporting seat and have the internal trend of gag lever post withdrawal door to remove the cover on the gag lever post, the door frame bolt is fixed on the door frame and is removed the relative position of gag lever post, it can drive in the door frame bolt withdrawal door frame when. The setting of gag lever post spring can guarantee to relieve the gag lever post and be in the state of the retraction door body in normal work, guarantees that the door body is opened smoothly on the door frame.

Preferably, a magnet is provided on an end surface of the doorframe pin opposite to the release lever, and an end portion of the release lever opposite to the doorframe pin is made of iron.

As preferred, the terminal surface adjacent with the locking piece that removes the gag lever post is the wedge face, and the tip of handle spliced pole can wear out the locking piece and be located two about and remove between the gag lever post, the tip of wearing out of handle spliced pole for with remove the gag lever post on the wedge face complex wedge, can remove two when the locking piece direction motion is kept away from to the handle spliced pole and release the gag lever post and release the door body and insert in the door frame. When pressing down the door handle, can realize that the handle spliced pole releases and remove the gag lever post, remove the gag lever post and be close to the door frame bolt, drive then in the door frame bolt returns the door frame, remove spacing between door frame and the box, realize the slip of door frame on the box, can realize the whole dismantlement of door frame, and dismantle in-process and remove the tip that the gag lever post was removed and insert in the door frame, further realized being connected between door frame and the door body, guarantee to dismantle and can not break away from between in-process door frame and the door body.

Preferably, be equipped with the shoulder hole in the handle mount pad, be equipped with on the surface of handle spliced pole and be the annular flange portion of circle, the cover is equipped with on the handle spliced pole passes shoulder hole and the handle spliced pole and leans on the flange portion is in the handle spring of the ladder department of shoulder hole, the spacing groove extends to the flange portion from the one end of handle spliced pole, and spacing lug can follow handle spliced pole endwise slip at the spacing inslot. Under the general condition, the handle connecting column can not release the limiting rod to push out the door body under the action of the elastic force of the handle spring, and the door body can be normally and independently opened.

Due to the adoption of the technical scheme, the invention has the remarkable technical effects that:

according to the invention, the door of the electrical equipment box can be opened in different modes by changing different operation modes of the door handle, the opening mode is flexible and simple, and the opening mode can be flexibly changed in different places.

Drawings

Fig. 1 is a schematic structural diagram of a control cabinet in embodiment 1 of the present invention.

Fig. 2 is a schematic structural view of a door frame in embodiment 1 of the present invention.

Fig. 3 is a schematic structural view of a door body in embodiment 1 of the present invention.

Fig. 4 is a sectional view of fig. 3 taken along the axis of the release lever.

Fig. 5 is a partially enlarged view of a portion a in fig. 4.

Fig. 6 is a schematic structural view of a door frame latch according to embodiment 1 of the present invention.

Fig. 7 is a schematic view of an installation structure of a pressure relief mechanism in embodiment 1 of the present invention.

Fig. 8 is a partially enlarged view of a portion a in fig. 7.

Fig. 9 is a schematic structural view of the pressure relief seat of fig. 7.

Fig. 10 is a schematic view of the mechanism of the weight of fig. 7.

Fig. 11 is a schematic view of the structure of the vent plate of fig. 7.

The names of the parts indicated by the numerical references in the drawings are as follows: 101-top plate, 102-pressure relief opening, 103-pressure relief base, 104-pressure relief base side wall, 105-pressure relief mounting base, 106-connecting rod, 107-pressure relief plate, 108-pressure relief channel, 109-pressure relief plug, 110-electromagnet, 111-compression spring, 112-counterweight, 113-plastic connector, 114-copper sheet, 115-contact, 116-counterweight mounting hole, 117-contact mounting hole, 118-contact spring, 119-circular ring sleeve, 120-counterweight mounting base, 121-counterweight mounting groove, 122-power supply box, 123-electromagnet mounting portion, 124-electromagnet mounting groove, 125-circular flange, 126-pressure relief plug mounting base, 127-connecting column, 128-pressure relief plug mounting groove, 129-guide groove, 201-door frame, 202-door body, 203-door panel, 204-rotating pin, 205-locking piece, 206-door handle, 207-jack locking piece, 208-rotating pin mounting base, 209-retaining ring, 210-rotating pin spring, 211-handle mounting seat, 212-handle connecting column, 213-locking piece connecting seat, 214-limiting projection, 215-limiting groove, 216-door frame mounting plate, 217-sliding groove, 218-door frame bolt, 219-outer shell, 220-bolt column, 221-bolt spring, 222-supporting seat, 223-releasing limiting rod, 224-limiting rod spring, 225-handle spring and 226-flange part.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

Electrical equipment box, as shown in fig. 1-6, including door frame 201, door frame 201 is the cuboid frame structure including upper end pole, lower extreme pole, left end pole and right-hand member pole, be equipped with respectively on the upper end pole of the framework of door frame 201 and the lower extreme pole towards the internal extension of framework carry out spacing limiting plate to door body 202, when door body 202 lock is in door frame 201, the upper and lower both ends of the rear end face of door body 202 support respectively and lean on about the limiting plate, avoid door body 202 to be pushed inside the electrical box.

Articulated in the door frame 201 have a body 202, door body 202 includes door plant 203, still including setting up in the up end plate and the lower end plate at door plant 203's upper and lower both ends respectively and setting up in the side end plate of door plant 203 one side, the up end plate, lower end plate and side end plate all set up with door plant 203 is perpendicular, one side that is close to the side end plate of up end plate and lower end plate all is equipped with swivel pin 204, one side that is close to the right-hand member pole of up end pole and lower end pole all is equipped with and supplies swivel pin 204 to insert articulated pinhole, be equipped with locking piece jack 207 on the lateral wall relative with the left-hand member pole of right-hand member pole, one side of keeping away from the side end plate of door body 202 is equipped with the locking piece 205 that can insert in the locking piece. One end of the door frame 201, which is used for inserting the locking piece 205, of the upper end and the lower end of the locking piece insertion hole 207 is an inclined surface guide surface, and the inclined surface guide surface is arranged to ensure that the locking piece 205 can enter or rotate out of the locking piece insertion hole 207 in a rotating mode.

In this embodiment, a rotating pin mounting seat 208 is fixed on an inner side surface of the door panel 203, one end of the rotating pin 204 is inserted into the rotating pin mounting seat 208, the other end of the rotating pin 204 can penetrate out of the door body 202, a baffle ring 209 is fixed on the rotating pin 204, a rotating pin spring 210 which is longitudinally arranged is further sleeved on the rotating pin 204, the rotating pin spring 210 has a tendency of pushing the rotating pin 204 out of the door body 202, one end of the rotating pin abuts against the baffle ring 209, and the other end of the rotating pin abuts against the rotating pin mounting seat 208. Be equipped with handle mount pad 211 on the door body 202, pass in the handle mount pad 211 and can pivoted handle spliced pole 212, door handle 206 is connected to handle spliced pole 212 one end, the other end is connected with locking piece 205, the part that lies in door plant 203 inboard on the handle mount pad 211 is for being cylindric locking piece connecting seat 213, locking piece 205 establishes the inside on locking piece connecting seat 213 for the connecting portion of circular slot form and fixes the grafting portion on the connecting portion lateral wall including the cover, connecting portion can rotate around locking piece connecting seat 213, handle spliced pole 212 can pass on connecting portion and the connecting portion the downthehole wall that successful handle spliced pole 212 passed and be equipped with spacing lug 214, be equipped with the spacing groove 215 that supplies spacing lug 214 card to go into on the handle spliced pole.

When the door body 202 is installed, the rotating pin 204 at the upper end or the lower end is firstly inserted into the pin hole of the door frame 201, then the elastic force of the rotating pin spring 210 is overcome, so that the door body 202 further moves upwards or downwards until the rotating pin 204 at the other end can also be inserted into the pin hole of the door frame 201, and then the rotating pin 204 is kept inserted into the upper pin hole and the lower pin hole under the action of the rotating pin spring 210, and the installation of the door body 202 on the door frame 201 can be completed.

When the door body 202 needs to be opened or closed, the door handle 206 only needs to be rotated, the locking piece 205 can be driven to rotate through the handle connecting column 212, the locking piece 205 can extend out or retract into the door body 202, and the door body 202 can be locked and unlocked on the door frame 201. Still be provided with the lock core in this embodiment in handle spliced pole 212 is inside, be equipped with on the lock core can stretch out or retract in the handle spliced pole 212 with the mutual spacing portion of handle mount pad 211 inside wall, can realize spacing to handle spliced pole 212 circumferential direction through spacing portion, realized then only removing spacing portion earlier to handle spliced pole 212 through the key spacing, just can realize the rotation of handle spliced pole 212, then just can open door body 202, the security performance of electrical equipment box has been increased.

Electrical equipment box with this cabinet door, as shown in fig. 1-11, the power distribution box comprises a box body, be equipped with the cabinet door on the box, the cabinet door includes door frame 201, door frame 201 is the cuboid frame construction including the upper end pole, lower extreme pole, left end pole and right-hand member pole, be equipped with respectively on the upper end pole of the framework of door frame 201 and the lower extreme pole towards extending in the framework carry out spacing limiting plate to door body 202, when door body 202 lock is in door frame 201, the upper and lower both ends of the rear end face of door body 202 support respectively and lean on limiting plate from top to bottom, avoid door body 202 to be pushed into inside the switch board.

The end face, used for installing the door frame 201, on the box body is provided with a door frame mounting plate 216 fixed at the upper end and the lower end of the box body respectively, the upper door frame mounting plate 216 and the lower door frame mounting plate 216 are provided with sliding grooves 217 with opposite openings, the door frame 201 can be inserted into the sliding grooves 217 from one side of the box body, and the upper end and the lower end of the door frame 201 can slide in the sliding grooves 217. The upper end face and the lower end face of the door frame 201 are respectively provided with a roller capable of rotating, the rollers roll on the bottom surface of the sliding groove 217, and the inner wall of the sliding groove 217 is in clearance fit with the outer walls of the upper end and the lower end of the door frame 201. The door frame 201 can be pulled out completely from the door frame mounting plate 216, breaks away from the door frame mounting plate 216, and then can realize quick disassembly of the whole cabinet door on the electrical equipment box.

In this embodiment, the door frame mounting plate 216 is provided with a door frame insertion hole, the upper and lower end faces of the door frame 201 are respectively provided with a door frame bolt 218 capable of being inserted into the door frame insertion hole, the door frame bolt 218 includes an outer shell 219, a bolt column 220 capable of sliding up and down is arranged in the outer shell 219, and the bolt column 220 is provided with a bolt spring 221 enabling the bolt to be inserted into the door frame insertion hole. The doorframe bolt 218 further comprises a flange plate fixed on the end surface of the doorframe 201 through a bolt, the outer shell 219 is fixed on the lower surface of the flange plate, one end of the doorframe bolt 218 penetrates through the flange plate, the other end of the doorframe bolt penetrates through the outer shell 219, an annular flange is arranged on the outer wall of the doorframe bolt 218, and the annular flange is abutted against the lower surface of the flange plate through a bolt spring 221. The cooperation of door frame jack and door frame bolt 218 can guarantee that door frame 201 can be stable fix on the box, then realize the installation of cabinet door on the box.

Be fixed with bolt canceling mechanism on the inside wall of door plant 203, bolt canceling mechanism is including fixing the supporting seat 222 on the door plant 203 inside wall, supporting seat 222 symmetric distribution is in the upper and lower both sides of locking piece 205, wear to be equipped with on the supporting seat 222 and remove gag lever post 223, the one end of removing gag lever post 223 can wear out the door body 202 and insert in the door frame 201, it supports to lean on supporting seat 222 and has the gag lever post spring 224 that will remove gag lever post 223 withdrawal door body 202 internal trend to remove the cover on the gag lever post 223, door frame bolt 218 is fixed on door frame 201 and is removed the position that gag lever post 223 is relative, it can drive door frame bolt 218 withdrawal in the door frame 201 when removing gag lever post.

In this embodiment, a magnet is disposed on an end surface of the door frame bolt 218 opposite to the release lever 223, and the end portion of the release lever 223 opposite to the door frame bolt 218 is made of iron. The end face, adjacent to the locking piece 205, of the releasing limiting rod 223 is a wedge-shaped face, the end portion of the handle connecting column 212 can penetrate through the locking piece 205 and is located between the upper and lower two releasing limiting rods 223, the penetrating end portion of the handle connecting column 212 is a wedge-shaped face matched with the wedge-shaped face on the releasing limiting rod 223, and the handle connecting column 212 can push the two releasing limiting rods 223 out of the door body 202 and insert the door body 201 when moving in the direction away from the locking piece 205. Be equipped with the shoulder hole in the handle mount pad 211, be equipped with on the surface of handle spliced pole 212 and be the annular flange portion 226 of circle, the cover is equipped with on handle spliced pole 212 passes shoulder hole and the handle spliced pole 212 and leans on flange portion 226 the handle spring 225 of the ladder department of shoulder hole, spacing groove 215 extends to flange portion 226 from the one end of handle spliced pole 212, and spacing lug 214 can follow handle spliced pole 212 axial slip in spacing groove 215.

When the cabinet door needs to be opened, the door handle 206 is pressed, the handle connecting column 212 moves towards the direction far away from the locking piece 205, the handle connecting column 212 can extrude the limiting rods 223 on the upper side and the lower side through the matching of the wedge-shaped surface, the limiting rods 223 on the upper side and the lower side can move upwards and downwards respectively, the limiting rods 223 on the upper side and the lower side extend out of the door body 202 and are inserted into the door frame 201, the limiting rods 223 are inserted into the door frame 201 and then approach the door frame bolt 218, the door frame bolt 218 can retract into the door frame 201 by overcoming the elastic force of the bolt spring 221 through magnetic force, the door frame inserting hole is withdrawn, the limit between the door frame 201 and the door frame mounting plate 216 on the box body is removed at the moment, the whole door frame 201 can be slid.

The door handle 206 can also be rotated, so that the locking piece 205 is separated from the locking piece insertion hole 207 on the door frame 201, that is, the door body 202 can be opened by rotating the door body 202, and at the moment, the door frame 201 is still fixed on the box body.

In this embodiment, through setting up the same structure on door body 202, the change can realize opening of the different modes of cabinet door in the electrical equipment box to the different operation modes of door handle 206, the mode of opening is nimble, it is simple and convenient, can select different modes of opening according to actual need, and when whole door frame 201 is demolishd to needs, the state that removes gag lever post 223 on the door body 202 is in inserting door frame 201, the stability of being connected between door body 202 and door frame 201 this moment has further been strengthened, guarantee that whole cabinet door can be stable pull down, and when opening door body 202 alone, make and remove the state that gag lever post 223 is in retracting door body 202, remove gag lever post 223 and can not link up door frame bolt 218, guarantee inserting door frame bolt 218 that door frame bolt 218 can be stable in the door frame bolt, guarantee the stability of being connected between door frame 201 and the box.

As shown in fig. 7-11, the box body includes an upper top plate 101, a pressure relief mechanism is disposed on the upper top plate 101, a pressure relief opening 102 is disposed in the middle of the upper top plate 101, the pressure relief mechanism is disposed at the pressure relief opening 102, the pressure relief mechanism includes a pressure relief seat 103 fixed on the inner surface of the upper top plate 101, the pressure relief seat 103 includes a cylindrical pressure relief seat side wall 104 with openings at the upper and lower ends, and a pressure relief mounting seat 105 located at the lower end of the pressure relief seat side wall 104 and located in the pressure relief seat side wall 104, and the pressure relief mounting seat 105 is connected with the inner surface of the pressure relief seat side wall 104 through a plurality of connecting rods 106 uniformly arranged around the axis; the upper end of the pressure relief seat side wall 104 is provided with a pressure relief plate 107, the middle of the pressure relief plate 107 is provided with a pressure relief channel 108, a pressure relief plug 109 is arranged in the pressure relief channel 108, the upper end surface of the pressure relief seat side wall 104 is provided with an electromagnet 110 capable of adsorbing the pressure relief plate 107, and a compression spring 111 which is longitudinally arranged is arranged between the lower surface of the pressure relief plate 107 and the pressure relief mounting seat 105.

In this embodiment, the pressure relief mounting seat 105 is provided with a cylindrical weight block 112, and the pressure relief plug 109 is connected with the weight block 112 through a fused plastic connecting piece 113; the outer surface of the balancing weight 112 is fixed with a circular copper sheet 114, at least two electromagnets 110 are connected in series, two contacts 115 connected with the electromagnets 110 through wires are further installed on the pressure relief installation seat 105, and the two contacts 115 are in contact with the outer surface of the copper sheet 114 to form a loop.

When taking place short-circuit failure in the electrical equipment box, can produce high temperature high-pressure gas, if produced other pressure is less and the temperature does not reach when the melting point of plastic connecting piece 113, gaseous can make pressure release stopper 109 rebound, carry out the pressure release through the clearance between pressure release stopper 109 and the pressure release passageway 108, can satisfy the pressure release demand through this pressure release passageway 108, pressure release stopper 109 can not continue the upward movement this moment, then can not trigger the break-make electricity of electro-magnet 110 part, electro-magnet 110 part still keeps original on-state, be convenient for subsequent pressure release mechanism that resumes once more.

If the produced gas pressure is great but the temperature still does not reach the melting point of plastic connector 113, pressure release channel 108 pressure release can't satisfy the pressure release demand this moment, then pressure release plug 109 can continue upward movement under the electrical equipment box internal pressure effect, the sealing plug can drive balancing weight 112 through plastic connector 113 and shift up, make copper sheet 114 on the balancing weight 112 break away from and electrocute between the contact, cause the electro-magnet 110 outage, electro-magnet 110 can not adsorb pressure release plate 107 again this moment, and back off pressure release plate 107 under compression spring 111's effect, make the gas in the electrical equipment box can directly carry out the pressure release on a large scale through pressure release port 102.

If the temperature of produced gas is greater than when the melting point of plastic connector 113, high temperature gas can fuse plastic connector 113, balancing weight 112 can move down under self action of gravity and make copper sheet 114 on balancing weight 112 break away from and electrocute between the contact, cause the outage of electro-magnet 110, electro-magnet 110 can not adsorb pressure release plate 107 again this moment, and back open pressure release plate 107 under compression spring 111's effect, because the pressure that high temperature gas generally produced is also great, because make this high temperature high pressure gas can directly carry out pressure release on a large scale through pressure release port 102, guarantee electrical equipment box's security. The plastic connecting piece 113 in this embodiment can be made of plastic with a proper melting point according to the actual requirements of the electrical equipment box, so that the plastic connecting piece 113 can be fused in time when a certain temperature is generated.

In this embodiment, the pressure relief mounting seat 105 includes a stepped cylindrical mounting seat body, the lower end of the compression spring 111 abuts against the stepped surface of the mounting seat body, a longitudinal counterweight mounting hole 116 is formed in the middle of the mounting seat body, the counterweight 112 extends into the counterweight mounting hole 116, a contact mounting hole 117 is formed in the side wall of the mounting seat body, the axis direction of the contact mounting hole 117 is horizontal, the contact 115 extends into the counterweight mounting hole 116 from the contact mounting hole 117 and contacts with a copper sheet 114 on the counterweight 112, a contact spring 118 is further arranged in the contact mounting hole 117 and transversely, and the contact spring 118 has a tendency of driving the contact 115 to move towards the copper sheet 114. The cover is equipped with ring cover 119 with mount pad body clearance fit on the lateral wall of mount pad body, and ring cover 119 cover is established in contact mounting hole 117 department, and contact spring 118 one end supports and leans on contact 115, and the other end supports and leans on ring cover 119 inner wall. A counterweight block placing seat 120 is fixed on the lower surface of the mounting seat body, and a counterweight block placing groove 121 with an opening at the upper end and opposite to the counterweight block mounting hole 116 is arranged in the middle of the counterweight block placing seat 120.

The contact spring 118 is in a compressed state under the action of the annular sleeve 119, so that the contact spring 118 can press the contact 115, the contact 115 can be pressed on the copper sheet 114, and the stability of the power-on state of the electromagnet 110 is ensured. Set up in the relative balancing weight resettlement groove 121 of balancing weight mounting hole 116 in mount pad body lower part, can make plastic connector 113 after fusing, balancing weight 112 falls to balancing weight resettlement groove 121 under self action of gravity, avoid balancing weight 112 to fall into electrical equipment box to electrical equipment box's components and parts or to electrical equipment box itself cause the damage, also can be when installing pressure relief mechanism again simultaneously, the more convenient balancing weight 112 of taking settles again, the upper end of balancing weight 112 still stretches out mount pad body up end after falling into balancing weight resettlement groove 121 in this embodiment, be convenient for better taking of balancing weight 112.

In the embodiment, the power supply box 122 is fixed in the pressure relief base 103, the contacts 115 and the electromagnets 110 are both powered by a battery in the power supply box 122, and four electromagnets 110 connected in series are provided, the first and last electromagnets 110 are respectively connected with the two contacts 115, so that a loop can be formed when the two contacts 115 are in contact with the copper sheet 114, when the contacts 115 are separated from the copper sheet 114, the loop can be disconnected, and the electromagnets 110 are powered off, the power-off mode for the electromagnets 110 is not a situation that a circuit at the electromagnets 110 is short-circuited or a lead is blown off due to a short-circuit fault, and the problem that the circuit at the electromagnets 110 cannot be relieved of pressure even if high-temperature and high-pressure gas is generated in an electrical equipment box is avoided, and the counterweight block 112 inevitably moves upwards or downwards as long as high-temperature and high-pressure gas is generated in the electrical equipment box in the disconnection mode in, the copper sheet 114 is separated from the contact 115 to cut off the power of the electromagnet 110, which is more stable and sensitive.

And the electromagnet 110 and the contact 115 are both supplied with power through the power box 122 arranged in the pressure relief seat 103, are separated from the circuit inside the electrical equipment box and are independently supplied with power, so that when the electrical equipment box is powered off and high-temperature and high-pressure gas is not generated due to short-circuit fault, the normal power supply of the electromagnet 110 can be maintained, and the pressure relief mechanism can be kept to normally and stably work.

In this embodiment, the upper end of the pressure relief seat side wall 104 is provided with an annular electromagnet mounting part 123, the electromagnet mounting part 123 is provided with a plurality of electromagnet mounting grooves 124 uniformly arranged around the axis of the electromagnet mounting part 123, and the electromagnet mounting part 123 is arranged in the electromagnet mounting groove 124; an annular flange 125 flush with the upper surface of the electromagnet mounting part 123 is further arranged on the outer side wall of the electromagnet mounting part 123, a plurality of bolt holes are formed in the annular flange 125, and the pressure relief seat 103 is fixed on the upper top plate 101 through bolts inserted into the bolt holes. The pressure relief seat 103 is connected to the top plate of the electrical equipment box through a flange structure formed by the annular flange 125 and the bolts on the annular flange 125, so that the pressure relief mechanism is convenient to mount and dismount while ensuring stable connection, does not change the structure of the electrical equipment box, has strong adaptability and can be widely applied.

In this embodiment, the pressure relief plate 107 is installed in the pressure relief opening 102 and is in clearance fit with the inner side wall of the pressure relief opening 102, when pressure relief is required to be performed through the pressure relief opening 102, the pressure relief plate 107 can move upwards, a pressure relief plug seat 126 is arranged on the upper surface of the pressure relief plate 107 and located at the pressure relief passage 108, the pressure relief plug seat 126 is fixed on the upper surface of the pressure relief plate 107 through a plurality of connecting posts 127, a pressure relief plug seat groove 128 with a downward opening is formed in the middle of the pressure relief plug seat 126, the outer side wall of the pressure relief plug 109 can be in interference fit with the inner side wall of the pressure relief plug seat groove 128, and a guide groove 129 with a diameter gradually increased from top to bottom is formed at the opening end of the pressure relief plug seat. When the pressure is released through the pressure release channel 108 and the plastic connecting piece 113 is fused, the pressure release plug 109 can be ejected out under the action of high-pressure gas in the electrical equipment box, the ejected pressure release plug 109 can be clamped into the pressure release plug arranging groove 128 under the action of the guide groove 129, the potential safety hazard caused by flying-out of the pressure release plug 109 can be avoided, meanwhile, when the pressure release mechanism is installed again, the pressure release plug 109 can be taken more conveniently to be arranged again, and the pressure release plug 109 can be reused.

In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.

Claims

1. Electrical equipment box, including the chamber door, the chamber door includes door frame (201), and door frame (201) are the cuboid frame construction including upper end pole, lower extreme pole, left end pole and right-hand member pole, its characterized in that: articulated in door frame (201) have a body (202), door body (202) are including door plant (203), still including setting up in the upper and lower end plate at the upper and lower both ends of door plant (203) and setting up in the side end plate of door plant (203) one side respectively, the upper end plate, lower end plate and side end plate all set up with door plant (203) is perpendicular, one side that is close to the side end plate of upper end plate and lower end plate all is equipped with swivel pin (204), one side that is close to the right-hand member pole of upper end pole and lower end pole all is equipped with supplies swivel pin (204) to insert articulated pinhole, be equipped with locking piece jack (207) on the lateral wall relative with the left end pole of right-hand member pole, one side of keeping away from the side end plate of door body (202) is equipped with locking piece (205) that can insert in the jack, be equipped with door handle (206) that can.

2. The electrical equipment cabinet of claim 1, wherein: be fixed with on door plant (203) the medial surface and rotate round pin mount pad (208), in rotating round pin (204) one end inserted rotating round pin mount pad (208), the door body (202) can be worn out to the other end, be fixed with on rotating round pin (204) and keep off ring (209), still the cover is equipped with longitudinal arrangement's rotating round pin spring (210) on rotating round pin (204), rotating round pin spring (210) have the trend of releasing a body (202) with rotating round pin (204), one end is supported and is leaned on keeping off ring (209), the other end supports and leans on rotating round pin mount pad (208).

3. The electrical equipment cabinet of claim 1, wherein: be equipped with handle mount pad (211) on door body (202), pass in handle mount pad (211) and can pivoted handle spliced pole (212), door handle (206) is connected to handle spliced pole (212) one end, the other end is connected with locking piece (205), the part that lies in door plant (203) inboard on handle mount pad (211) is for being cylindric locking piece connecting seat (213), locking piece (205) are including establishing the connecting portion that the inside on locking piece connecting seat (213) is the circular slot form and fix the grafting portion on the connecting portion lateral wall, connecting portion can rotate around locking piece connecting seat (213), be equipped with spacing lug (214) on the hole inner wall that supplies on connecting portion and the connecting portion that handle spliced pole (212) pass, be equipped with spacing groove (215) that supply spacing lug (214) card to go into on handle spliced pole (212) lateral wall.

4. The electrical equipment cabinet of claim 1, wherein: the end face, used for installing the door frame (201), on the box body is provided with a door frame mounting plate (216) which is respectively fixed at the upper end and the lower end of the box body, the upper door frame mounting plate and the lower door frame mounting plate (216) are provided with sliding grooves (217) with opposite openings, the door frame (201) can be inserted into the sliding grooves (217) from one side of the box body, and the upper end and the lower end of the door frame (201) can slide in the sliding grooves.

5. The electrical equipment cabinet of claim 4, wherein: be equipped with the door frame jack on door frame mounting panel (216), all be equipped with door frame bolt (218) that can insert in the door frame jack on the upper and lower both ends face of door frame (201), door frame bolt (218) are equipped with gliding bolt post (220) from top to bottom including shell body (219) in shell body (219), are equipped with bolt spring (221) that make the bolt have the interior trend of inserting the door frame jack on bolt post (220).

6. The electrical equipment cabinet of claim 5, wherein: be fixed with bolt canceling mechanism on the inside wall of door plant (203), bolt canceling mechanism is including fixing supporting seat (222) on door plant (203) inside wall, supporting seat (222) symmetric distribution is in the upper and lower both sides of locking piece (205), wear to be equipped with on supporting seat (222) and remove gag lever post (223), the one end of removing gag lever post (223) can wear out the door body (202) and insert in door frame (201), it supports to lean on supporting seat (222) and has gag lever post spring (224) that will remove gag lever post (223) withdrawal door body (202) internal trend to overlap on gag lever post (223) to remove, door frame bolt (218) are fixed on door frame (201) and are removed gag lever post (223) relative position, it can drive door frame bolt (218) withdrawal in door frame (201) when removing gag lever post (223) and inserting in door frame (201).

7. The electrical equipment cabinet of claim 6, wherein: the end face of the doorframe bolt (218) opposite to the release limiting rod (223) is provided with a magnet, and the end part of the release limiting rod (223) opposite to the doorframe bolt (218) is made of iron.

8. The electrical equipment cabinet of claim 7, wherein: remove the terminal surface adjacent with locking piece (205) of gag lever post (223) and be the wedge face, the tip of handle spliced pole (212) can wear out locking piece (205) and be located two about and remove between gag lever post (223), the tip of wearing out of handle spliced pole (212) be with remove gag lever post (223) go up wedge face complex wedge, handle spliced pole (212) orientation can release two when keeping away from locking piece (205) direction motion and release gag lever post (223) and release door body (202) and insert in door frame (201).

9. The electrical equipment cabinet of claim 7, wherein: be equipped with the shoulder hole in handle mount pad (211), be equipped with on the surface of handle spliced pole (212) and be annular flange portion (226), handle spliced pole (212) pass on shoulder hole and handle spliced pole (212) the cover be equipped with flange portion (226) and lean on handle spring (225) of the ladder department of shoulder hole, one end from handle spliced pole (212) of spacing groove (215) extends to flange portion (226), and spacing lug (214) can follow handle spliced pole (212) endwise slip in spacing groove (215).