CN220510598U - Short circuit pressure relief protection device for direct current cabinet - Google Patents
Short circuit pressure relief protection device for direct current cabinet Download PDFInfo
- Publication number
- CN220510598U CN220510598U CN202322182290.3U CN202322182290U CN220510598U CN 220510598 U CN220510598 U CN 220510598U CN 202322182290 U CN202322182290 U CN 202322182290U CN 220510598 U CN220510598 U CN 220510598U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- current cabinet
- direct current
- pressure relief
- protection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005192 partition Methods 0.000 claims description 28
- 230000000087 stabilizing effect Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 10
- 230000006641 stabilisation Effects 0.000 claims description 5
- 238000011105 stabilization Methods 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 description 7
- 239000004744 fabric Substances 0.000 description 7
- 239000011521 glass Substances 0.000 description 7
- 239000000428 dust Substances 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a short circuit pressure relief protection device for a direct current cabinet, which relates to the technical field of direct current cabinets.
Description
Technical Field
The utility model relates to the related field of direct-current cabinets, in particular to a short-circuit pressure relief protection device for a direct-current cabinet.
Background
The DC cabinet is used for power operation power supply in power plant and transformer substation, the DC screen is used for supplying the DC power supply, it provides power supply for controlling load and power load, DC accident lighting load, etc., it is the basis of current power system control and protection, therefore it also applies a lot of advanced scientific techniques, it mainly comprises power inlet wire system, power two-way mutual throwing system, charger control system, charger, DC distribution system, insulation monitoring system, integrated controller, flash system, communication system, accumulator, in DC traction system, when the high-voltage switch cabinet suddenly short-circuits, arcing, etc. faults, the temperature of high-voltage room in cabinet rises rapidly and internal air pressure increases sharply.
When the existing direct current cabinet short-circuit pressure relief protection device is optimized, the aspect of automatic and quick pressure relief requirement in a direct current cabinet high-pressure chamber is mostly realized, for example, chinese practical patent with the patent number of CN201520366585.9 discloses a direct current switch cabinet quick and automatic pressure relief device, which comprises a plurality of pressure relief holes formed in the top of the direct current cabinet high-pressure chamber, each pressure relief hole is provided with a flexible lower epoxy glass cloth laminated board which completely covers each pressure relief hole, the pressure relief device further comprises a flexible upper epoxy glass cloth laminated board which covers the lower epoxy glass cloth laminated board, the width of the upper epoxy glass cloth laminated board is half of that of the lower epoxy glass cloth laminated board, and one side edge of the upper epoxy glass cloth laminated board and the lower epoxy glass cloth laminated board is arranged on one side of the pressure relief holes and fixedly mounted through an arc-shaped laminated board.
Although the above-mentioned dc cabinet short circuit pressure release protector has certain advantage in the aspect of having realized the automatic quick pressure release demand in the dc cabinet high-pressure chamber, nevertheless have certain drawback:
as shown in FIG. 6, the protection level is greatly improved, the pressure can be quickly released, and the pressure can be automatically restored after the pressure release is finished, the structure is simple, the disassembly and the assembly are convenient, the manufacturability is high, meanwhile, the integrated structure enables the operation to be safe and reliable, the automatic quick pressure release requirement in a high-pressure chamber of the direct-current cabinet is realized, but the direct-current cabinet short-circuit pressure release protection device is mostly not provided with an insulating plate for insulating electric conduction, so that the direct-current cabinet is easy to cause electric leakage when the direct-current cabinet is short-circuited, operators or maintenance is easy to be damaged, the direct-current cabinet is easy to shake when encountering collision, and the direct-current cabinet shake is easy to influence equipment in the direct-current cabinet.
Disclosure of Invention
Therefore, in order to solve the above-mentioned shortcomings, the present utility model provides a protection device for short circuit and pressure relief of a DC cabinet
And (3) a device.
The utility model is realized in such a way, a DC cabinet short-circuit pressure relief protection device is constructed, and the device comprises a DC cabinet, and the middle upper end of the front side of the DC cabinet is fixedly connected with the rear side of a control panel;
the method is characterized in that: further comprises:
the bottom of the protection stabilizing mechanism is fixedly connected with the bottom end inside the direct current cabinet;
the upper end of the outer surface of the pressure release mechanism is fixedly connected with the inner side surface of the right hole at the top of the direct current cabinet.
Preferably, the protection stabilizing mechanism includes:
the chute bottom block is arranged at the lower end of the protection stabilizing mechanism;
the lower end of the outer surface of the sliding block is in sliding connection with the inner side surface of the groove at the top of the sliding groove bottom block;
the outer side end of the spring is fixedly connected with the left end and the right end of the inner side of the groove at the top of the sliding groove bottom block, and the inner side end of the spring is fixedly connected with the middle lower ends of the left side and the right side of the sliding block.
Preferably, the protection stabilizing mechanism further comprises:
the middle end of the bottom of the insulating frame is fixedly connected with the top of the sliding block;
the left end and the right end of the partition plate are fixedly connected with the left end and the right end of the inside of the insulating frame.
Preferably, the protection stabilizing mechanism further comprises:
the right side of the connecting plate is fixedly connected with the middle end of the left side of the insulating frame;
the right end of the spring damper is fixedly connected with the left end of the connecting plate;
wherein, spout bottom block bottom and the inside bottom fixed connection of direct current cabinet.
Preferably, the pressure release mechanism includes:
the piston cylinder is arranged outside the upper end of the pressure release mechanism;
the outer side surface of the first partition pore plate is fixedly connected with the upper end of the inner surface of the piston cylinder;
and the outer side surface of the piston is in sliding connection with the middle end of the inner surface of the piston cylinder.
Preferably, the pressure release mechanism further comprises:
the outer side surface of the second partition pore plate is fixedly connected with the lower end of the inner surface of the piston cylinder;
the top of the connecting rod is fixedly connected with the right side in the bottom of the piston;
the middle end of the left side of the sealing plate is fixedly connected with the lower end of the right side of the connecting rod.
Preferably, the pressure release mechanism further comprises:
the through hole is formed in the middle upper end of the right side of the direct current cabinet;
the upper end and the lower end of the dustproof net are fixedly connected with the middle right ends of the upper side and the lower side of the inner side of the through hole;
the upper end of the outer surface of the piston cylinder is fixedly connected with the inner side surface of the right hole at the top of the direct current cabinet.
Preferably, the partition plates are rectangular, and each partition plate is equidistant and arranged in parallel inside the insulating frame.
The utility model has the following advantages: the utility model provides a direct current cabinet short circuit pressure relief protection device through improvement, which has the following improvement compared with the same type of equipment:
according to the direct-current cabinet short circuit pressure relief protection device, the protection stabilizing mechanism is arranged, the spring damper in the protection stabilizing mechanism can slow down the influence of shaking generated by the direct-current cabinet on equipment on the partition board, the insulating frame can prevent electricity from being conducted to the direct-current cabinet, the maintenance personnel can be prevented from being injured when touching the direct-current cabinet, the protection and protection of the equipment inside the direct-current cabinet are facilitated, and meanwhile the safety of the direct-current cabinet can be improved.
According to the direct-current cabinet short-circuit pressure relief protection device, the pressure relief mechanism is arranged, the piston in the pressure relief mechanism can be driven by air pressure generated when the inside of the direct-current cabinet is in short circuit or arcing to slide upwards, so that the sealing plate moves to open the through hole blocked by the sealing plate, the air pressure can be relieved from the through hole, equipment inside the direct-current cabinet can be better protected, and the service life of the direct-current cabinet is prolonged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the protective stabilizing mechanism of the present utility model;
FIG. 4 is an enlarged view of the utility model at A in FIG. 2;
FIG. 5 is a schematic view of the pressure relief mechanism of the present utility model;
fig. 6 is a schematic diagram of the prior art.
Wherein: the direct current cabinet-1, a control panel-2, a protection and stabilization mechanism-3, a chute bottom block-31, a slide block-32, a spring-33, an insulating frame-34, a partition plate-35, a connecting plate-36, a spring damper-37, a pressure release mechanism-4, a piston cylinder-41, a first partition orifice plate-42, a piston-43, a second partition orifice plate-44, a connecting rod-45, a sealing plate-46, a through hole-47 and a dust screen-48.
Detailed Description
The principles and features of the present utility model are described below with reference to fig. 1-5, the examples being provided for illustration only and not for limitation of the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Embodiment one:
referring to fig. 1 to 3, the short-circuit pressure relief protection device for a direct current cabinet of the present utility model comprises a direct current cabinet 1, wherein the middle upper end of the front side of the direct current cabinet 1 is fixedly connected with the rear side of a control panel 2;
the bottom of the protection stabilizing mechanism 3 is fixedly connected with the bottom end inside the direct current cabinet 1, so that the protection stabilizing mechanism 3 is fixed;
the upper end of the outer surface of the pressure release mechanism 4 is fixedly connected with the inner side surface of the right hole at the top of the direct current cabinet 1, so that the pressure release mechanism 4 is fixed;
the sliding chute bottom block 31 is arranged at the lower end of the protection and stabilization mechanism 3, and the lower end of the outer surface of the sliding block 32 is in sliding connection with the inner side surface of the groove at the top of the sliding chute bottom block 31, so that the sliding block 32 can slide;
the outer side end of the spring 33 is fixedly connected with the left and right ends of the inner side of the groove at the top of the chute bottom block 31, and the inner side end of the spring 33 is fixedly connected with the middle lower ends of the left and right sides of the sliding block 32, so that the spring 33 is fixed;
the middle end of the bottom of the insulating frame 34 is fixedly connected with the top of the sliding block 32, so that the insulating frame 34 is fixed;
the left and right ends of the partition plate 35 are fixedly connected with the left and right ends of the inside of the insulating frame 34, so that the partition plate 35 is fixed;
the right side of the connecting plate 36 is fixedly connected with the middle end of the left side of the insulating frame 34, so that the connecting plate 36 is fixed;
the right end of the spring damper 37 is fixedly connected with the left end of the connecting plate 36, and the bottom of the chute bottom block 31 is fixedly connected with the bottom end inside the direct current cabinet 1, so that the spring damper 37 is fixed;
the partition plates 35 are rectangular, and each partition plate 35 is equidistant and arranged in parallel inside the insulating frame 34, so that equipment inside the direct current cabinet can be separately placed on the partition plates 35.
The working principle of the direct-current cabinet short circuit pressure relief protection device based on the embodiment 1 is as follows: the equipment in the direct current cabinet is placed on the partition plate 35 separately, so that the equipment in the direct current cabinet is managed separately, when the direct current cabinet is impacted or toppled over, the direct current cabinet 1 can shake, the insulating frame 34 and the partition plate 35 can be kept motionless due to inertia, the direct current cabinet 1 can drive the chute bottom block 31 to slide left and right under the limit of the sliding block 32, the chute bottom block 31 can squeeze or stretch the spring 33 when sliding left and right under the limit of the sliding block 32, and the direct current cabinet 1 can stretch or squeeze the spring damper 37 when shaking;
the spring damper 37 can absorb the transmitted force, so that the insulating frame 34 and the partition plate 35 are kept motionless as much as possible, equipment on the partition plate 35 is affected by shaking, and when a short circuit occurs in the direct current cabinet, the insulating frame 34 can avoid electric conduction to the direct current cabinet 1, so that maintenance personnel can be prevented from being injured when touching the direct current cabinet 1, and the safety of the direct current cabinet 1 can be improved while protecting the equipment in the direct current cabinet.
Embodiment two:
referring to fig. 4 to 5, in the present utility model, compared with the first embodiment, the short circuit pressure relief protection device for a dc cabinet further includes a pressure relief mechanism 4: the pressure release mechanism 4 includes a piston cylinder 41:
the piston cylinder 41 is arranged outside the upper end of the pressure release mechanism 4, and the outer side surface of the first partition orifice plate 42 is fixedly connected with the upper end of the inner surface of the piston cylinder 41, so that the first partition orifice plate 42 is fixed;
the outer side surface of the piston 43 is slidably connected to the inner side surface of the piston cylinder 41 at the center end thereof so that the piston 43 can slide;
the outer side surface of the second partition orifice plate 44 is fixedly connected with the lower end of the inner surface of the piston cylinder 41, so that the second partition orifice plate 44 is fixed;
the top of the connecting rod 45 is fixedly connected with the right side in the bottom of the piston 43, so that the connecting rod 45 is fixed;
the middle end of the left side of the sealing plate 46 is fixedly connected with the lower end of the right side of the connecting rod 45, so that the sealing plate 46 is fixed;
the through hole 47 is formed at the right middle upper end of the direct current cabinet 1, the upper and lower ends of the dust screen 48 are fixedly connected with the middle right ends of the upper and lower sides of the inner side of the through hole 47, and the upper end of the outer surface of the piston cylinder 41 is fixedly connected with the inner side surface of the right hole at the top of the direct current cabinet 1, so that the dust screen 48 is fixed.
The working principle in this embodiment is: when a short circuit or arcing occurs in the direct current cabinet 1, the air pressure can enter the piston cylinder 41 along the hole at the bottom of the piston cylinder 41 by an upward impact force and push the piston 43 in the piston cylinder 41 to slide upwards under the limit of the piston cylinder 41, the piston 43 slides to drive the connecting rod 45 to move upwards, and the connecting rod 45 moves to drive the sealing plate 46 to move;
the closing plate 46 removes and can open the through-hole 47 that is blocked by closing plate 46, and the inside unnecessary atmospheric pressure of direct current cabinet 1 can be followed through dust screen 48 and arranged to the outside of direct current cabinet 1 in through-hole 47, when avoiding the inside short circuit or the arcing that appear of direct current cabinet 1, the impact force that the atmospheric pressure produced destroys direct current cabinet 1, and dust screen 48 can isolate outside dust to enter into the inside of direct current cabinet 1, can be better protect the inside equipment of direct current cabinet 1, improves the life of direct current cabinet 1.
According to the direct current cabinet short circuit pressure relief protection device, the protection stabilizing mechanism 3 is arranged, the spring damper 37 in the protection stabilizing mechanism 3 can slow down the influence of shaking generated by the direct current cabinet 1 on equipment on the partition plate 35, the insulating frame 34 can avoid electric conduction to the direct current cabinet 1, damage to the equipment in the direct current cabinet 1 when a maintainer touches the direct current cabinet 1 is avoided, the safety of the direct current cabinet 1 can be improved while the equipment in the direct current cabinet is protected, and by arranging the pressure relief mechanism 4, the piston 43 in the pressure relief mechanism 4 can be driven to slide upwards by air pressure generated when the short circuit or arcing occurs in the direct current cabinet 1, so that the sealing plate 46 moves to open the through hole 47 blocked by the sealing plate 46, the air pressure can be relieved from the through hole 47, the equipment in the direct current cabinet 1 can be better protected, and the service life of the direct current cabinet 1 is prolonged.
The basic principle and main characteristics of the utility model and the advantages of the utility model are shown and described above, standard parts used by the utility model can be purchased from market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolt rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the description is omitted.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The short-circuit pressure relief protection device for the direct-current cabinet comprises the direct-current cabinet (1), wherein the middle upper end of the front side of the direct-current cabinet (1) is fixedly connected with the rear side of a control panel (2);
the method is characterized in that: further comprises:
the protection stabilizing mechanism (3), the bottom of the protection stabilizing mechanism (3) is fixedly connected with the bottom end inside the direct current cabinet (1);
the upper end of the outer surface of the pressure release mechanism (4) is fixedly connected with the inner side surface of the right hole at the top of the direct current cabinet (1).
2. The direct current cabinet short circuit pressure relief protection device according to claim 1, wherein: the protection and stabilization mechanism (3) comprises:
the chute bottom block (31), the chute bottom block (31) is arranged at the lower end of the protection stabilizing mechanism (3);
the lower end of the outer surface of the sliding block (32) is in sliding connection with the inner side surface of the top groove of the chute bottom block (31);
the spring (33), the both ends fixed connection about spring (33) outside end and spout bottom block (31) top recess inboard, the lower extreme fixed connection in spring (33) inside end and slider (32) left and right sides.
3. The direct current cabinet short circuit pressure relief protection device according to claim 2, wherein: the protection and stabilization mechanism (3) further comprises:
the middle end of the bottom of the insulating frame (34) is fixedly connected with the top of the sliding block (32);
and the left end and the right end of the partition plate (35) are fixedly connected with the left end and the right end inside the insulating frame (34).
4. A dc cabinet short circuit pressure relief protection device according to claim 3, wherein: the protection and stabilization mechanism (3) further comprises:
the right side of the connecting plate (36) is fixedly connected with the middle end of the left side of the insulating frame (34);
the right end of the spring damper (37) is fixedly connected with the left end of the connecting plate (36);
the bottom of the chute bottom block (31) is fixedly connected with the bottom end inside the direct current cabinet (1).
5. The direct current cabinet short circuit pressure relief protection device according to claim 1, wherein: the pressure release mechanism (4) comprises:
the piston cylinder (41) is arranged outside the upper end of the pressure release mechanism (4);
the outer side surface of the first partition pore plate (42) is fixedly connected with the upper end of the inner surface of the piston cylinder (41);
and a piston (43), wherein the outer side surface of the piston (43) is in sliding connection with the middle end of the inner surface of the piston cylinder (41).
6. The dc cabinet short circuit pressure relief protection device according to claim 5, wherein: the pressure relief mechanism (4) further comprises:
the outer side surface of the second partition pore plate (44) is fixedly connected with the lower end of the inner surface of the piston cylinder (41);
the top of the connecting rod (45) is fixedly connected with the right side in the bottom of the piston (43);
the middle end of the left side of the sealing plate (46) is fixedly connected with the lower end of the right side of the connecting rod (45).
7. The dc cabinet short circuit pressure relief protection device according to claim 6, wherein: the pressure relief mechanism (4) further comprises:
the through hole (47) is formed in the middle upper end of the right side of the direct current cabinet (1);
the upper end and the lower end of the dustproof net (48) are fixedly connected with the middle right ends of the upper side and the lower side of the inner side of the through hole (47);
the upper end of the outer surface of the piston cylinder (41) is fixedly connected with the inner side surface of the right hole at the top of the direct current cabinet (1).
8. A dc cabinet short circuit pressure relief protection device according to claim 3, wherein: the partition plates (35) are rectangular, and each partition plate (35) is equidistant and arranged in parallel inside the insulating frame (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322182290.3U CN220510598U (en) | 2023-08-15 | 2023-08-15 | Short circuit pressure relief protection device for direct current cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322182290.3U CN220510598U (en) | 2023-08-15 | 2023-08-15 | Short circuit pressure relief protection device for direct current cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220510598U true CN220510598U (en) | 2024-02-20 |
Family
ID=89866342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322182290.3U Active CN220510598U (en) | 2023-08-15 | 2023-08-15 | Short circuit pressure relief protection device for direct current cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220510598U (en) |
-
2023
- 2023-08-15 CN CN202322182290.3U patent/CN220510598U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111490466A (en) | Electrical equipment with protection function | |
| CN220510598U (en) | Short circuit pressure relief protection device for direct current cabinet | |
| CN114823053A (en) | Protection type transformer convenient to cooling heat dissipation | |
| CN113363825B (en) | Switch cabinet for intelligent management of safety appliances | |
| CN209434633U (en) | A kind of power distribution cabinet with safeguard function | |
| CN208111367U (en) | A kind of intelligent breaker | |
| CN208423572U (en) | A kind of high and low voltage switchgear easy to repair with high heat dispersion | |
| CN215645526U (en) | Anti-collision power control electric cabinet | |
| CN215343467U (en) | High-low voltage switch cabinet capable of adjusting positions between electrical components in box body | |
| CN211175928U (en) | Split height-adjustable cinema projector framework | |
| CN214014884U (en) | Regulator cubicle convenient to heat dissipation | |
| CN220324991U (en) | Power distribution cabinet with filtering device | |
| CN215733041U (en) | High metal armor of security withdraws formula switch | |
| CN219086796U (en) | Heavy current power supply protection device | |
| CN110676714A (en) | Splicing expansion type power box | |
| CN212323423U (en) | Power distribution cabinet | |
| CN219435760U (en) | Floor type intelligent circuit breaker | |
| CN109510096A (en) | Solid all insulation metal sealed load switch Combined switch of circuit breaker cabinet | |
| CN219181031U (en) | Electrical control cabinet | |
| CN215645563U (en) | Capacitor cabinet with automatic heat dissipation structure | |
| CN219892760U (en) | High-low voltage power distribution switch cabinet of power distribution control equipment | |
| CN113675749B (en) | Dry stable distribution box for household power distribution | |
| CN215773850U (en) | Electric appliance cabinet provided with protective device | |
| CN216084644U (en) | Outdoor circuit breaker rebounding device | |
| CN219611145U (en) | Electrical control cabinet with cushioning protection structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |