CN113745035A - Box body with explosion-proof switch cavity - Google Patents
Box body with explosion-proof switch cavity Download PDFInfo
- Publication number
- CN113745035A CN113745035A CN202111032234.0A CN202111032234A CN113745035A CN 113745035 A CN113745035 A CN 113745035A CN 202111032234 A CN202111032234 A CN 202111032234A CN 113745035 A CN113745035 A CN 113745035A
- Authority
- CN
- China
- Prior art keywords
- explosion
- box body
- proof
- switch
- mounting seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003466 welding Methods 0.000 claims abstract description 8
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 238000005192 partition Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/04—Cases; Covers
- H01H19/06—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/04—Cases; Covers
- H01H19/06—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
- H01H19/065—Casings hermetically closed by a diaphragm through which passes an actuating member
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention relates to a box body with an explosion-proof switch cavity, and belongs to the technical field of explosion prevention. The explosion-proof switch assembly comprises a box body only comprising an explosion-proof main cavity, a box cover matched with the box body to seal the box body, a lead-in device arranged on one side of the box body and used for leading in a wiring, and an explosion-proof switch assembly fixed on the opposite side of the box body, wherein the explosion-proof switch assembly comprises a mounting seat fixed on the box body, an explosion-proof switch cavity is arranged in the mounting seat, and an explosion-proof switch is arranged in the explosion-proof switch cavity. The device solves the technical problems that in the prior art, the explosion-proof performance of the box body is weakened due to the welding of the partition plate, and the detection process is complicated and consumes time and cost.
Description
Technical Field
The invention belongs to the technical field of explosion prevention, and relates to a box body with an explosion-proof switch cavity.
Background
The explosion-proof shell of the mining explosion-proof electrical equipment is designed to bear the internal explosion without causing the external explosion danger, namely, the electrical equipment is arranged in the explosion-proof main cavity of the box body, and the box body can bear the explosion pressure generated by the explosion of the internal mixed explosive gas and can prevent the internal explosion flame and the high-temperature gas from igniting the mixed explosive gas outside the shell through the explosion-proof gap. Because the switch belongs to the components and parts of striking sparks, can not install inside electrical components such as nickel-hydrogen battery, circuit board and switch in a flame proof cavity in structural, so must divide the chamber to handle, traditional design is as shown in figure 1, divide box 1 into flame proof main cavity 2 and wiring chamber 6, the centre is separated the electrical apparatus in flame proof main cavity 2 and the switch in wiring chamber 6 by welded baffle 4, through binding post 5 on the baffle 4 with the electrical components in flame proof main cavity 2 and the switch interconnect in wiring chamber 6, and wear out the circuit from introducing device 3 and link to each other with the outside. However, the inventor found that the conventional apparatus has the following disadvantages: (1) the partition plate 4 is welded in the box body 1, so that welding defects are easily generated, the structural strength of the whole box body 1 is weakened, and the explosion-proof performance is reduced; (2) in the process of certification and inspection, the explosion-proof main cavity 2 and the wiring cavity 6 need to be subjected to explosion tests respectively, and the wiring terminal 5 needs to be subjected to a heat and cold resistance test, an insulating sleeve torsion test, a combustion resistance test, a flame ablation test and the like, so that the inspection time and cost are greatly increased.
Disclosure of Invention
In view of the above, the invention aims to provide a box body with an explosion-proof switch cavity, so as to solve the technical problems that in the prior art, the structural strength of the box body is weakened due to welding of a partition plate, the explosion-proof performance is reduced, and the detection process is complicated and consumes time and cost.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a take box in flame proof switch chamber, includes the box that only contains a flame proof main cavity, cooperatees with the box with box sealed case lid, set up in the introducing device that box one side introduced the wiring and fix the flame proof switch assembly on the box opposite side, flame proof switch assembly is including fixing the mount pad on the box, and the inside of mount pad has the flame proof switch chamber, and the flame proof switch of flame proof switch intracavity installation.
Furthermore, the explosion-proof switch comprises a switch sleeve matched with the inner wall of the mounting seat, a switch element which is inserted in the switch sleeve, and one end of the switch element extends out of the mounting seat, and a wire passing assembly which is inserted on the mounting seat in a sealing manner and is communicated with the explosion-proof main cavity.
Furthermore, the connection part of the wire passing assembly and the mounting seat is sealed by epoxy resin.
Furthermore, the mounting seat is formed by butt joint of two parts which are exposed out of the box body and extend into the explosion-proof main cavity.
Furthermore, the two parts of the mounting seat exposed out of the box body and extending into the explosion-proof main cavity are connected through threads, and the mounting seat and the box body are fixed in a welding mode.
Further, the material of the mounting seat is the same as that of the box body.
Furthermore, the size of the explosion-proof switch cavity is only enough to accommodate the explosion-proof switch.
The invention has the beneficial effects that:
1) the structure is simpler, and the volume diminishes, and light in weight conveniently transports, installs and uses in various types of ore deposit way.
2) The processing of the partition plate is omitted, the process of welding the partition plate on the box body is reduced, the flame-proof joint surface is reduced, and the integral explosion-proof performance is better and safer.
3) Only the only explosion-proof main cavity needs to be detected, so that the detection procedures are reduced, and the production and authentication and inspection costs are reduced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a conventional flameproof enclosure;
FIG. 2 is a schematic diagram of a box with an explosion-proof switch cavity;
reference numerals: the explosion-proof box comprises a box body 1, an explosion-proof main cavity 2, an introducing device 3, a partition plate 4, a wiring terminal 5, a wiring cavity 6, a box cover 7, a mounting seat 8, a switch sleeve 9, a switch element 10, a wire passing assembly 11 and epoxy resin 12.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 2, a box 1 with a flameproof switch cavity includes a box 1 having only one flameproof main cavity 2, a box cover 7 cooperating with the box 1 to seal the box 1, a lead-in device 3 disposed on one side of the box 1 to lead in a wiring, and a flameproof switch component fixed on the opposite side of the box 1, wherein the flameproof switch component includes a mounting seat 8 fixed on the box 1, the mounting seat 8 is made of the same material as the box 1, the mounting seat 8 is formed by connecting two parts exposed outside the box 1 and extending into the flameproof main cavity 2 through threads, and is welded with the box 1 into a whole, and the inside of the mounting seat 8 formed by movably connecting the two parts through threads forms the flameproof switch cavity.
The explosion-proof switch is arranged in the explosion-proof switch cavity, the size of the explosion-proof switch cavity is only enough to accommodate the explosion-proof switch, and the smaller cavity can enable the mechanical property of the mounting base 8 to be better. The explosion-proof switch comprises a switch sleeve 9 matched with the inner wall of the mounting seat 8, a switch element 10 inserted in the switch sleeve 9 and with one end extending out of the mounting seat 8, wherein the switch element 10 is a common rotary switch, and a wire passing assembly 11 which is inserted on the mounting seat 8 in a sealing manner and is communicated with the explosion-proof main cavity 2; the switch element 10 extending out of the mounting seat 8 can enable an operator to control the on-off of the explosion-proof switch through the switch element 10 outside the box body 1. The joint of the wire passing assembly 11 and the mounting seat 8 is sealed by epoxy resin 12, so that the explosion-proof switch cavity and the explosion-proof main cavity 2 are sealed and isolated from each other.
Compared with the background technical scheme, the technical scheme of the application has the advantages that the functions of the box body 1 are not changed, the structures of the box body 1 and the box cover 7 are simpler, fewer welding seams are generated, the welding quality is easy to guarantee, the integral explosion-proof performance is better, and the safety is higher; when the explosion-proof switch cavity is detected, only a static pressure experiment and a heat and cold resistant experiment of the epoxy resin 12 are needed, so that the detection procedures are reduced, and the production and certification inspection time and cost are reduced.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (7)
1. A box with an explosion-proof switch cavity is characterized in that: the explosion-proof switch assembly comprises a box body only comprising an explosion-proof main cavity, a box cover matched with the box body to seal the box body, a lead-in device arranged on one side of the box body and used for leading in a wiring, and an explosion-proof switch assembly fixed on the opposite side of the box body, wherein the explosion-proof switch assembly comprises a mounting seat fixed on the box body, an explosion-proof switch cavity is arranged in the mounting seat, and an explosion-proof switch is arranged in the explosion-proof switch cavity.
2. The box body with the flameproof switch cavity according to claim 1, characterized in that: the explosion-proof switch comprises a switch sleeve matched with the inner wall of the mounting seat, a switch element which is inserted in the switch sleeve, and one end of the switch element extends out of the mounting seat, and a wire passing assembly which is inserted in the mounting seat in a sealing manner and is communicated with the explosion-proof main cavity.
3. The box body with the flameproof switch cavity according to claim 2, characterized in that: the connection part of the wire passing assembly and the mounting seat is sealed by epoxy resin.
4. The box body with the flameproof switch cavity according to claim 1, characterized in that: the mounting seat is formed by butt joint of two parts which are exposed out of the box body and extend into the explosion-proof main cavity.
5. The box body with the flameproof switch cavity according to claim 4, characterized in that: the mounting seat is exposed outside the box body and extends into the two parts in the explosion-proof main cavity to be connected through threads, and the mounting seat and the box body are fixed in a welding mode.
6. The box body with the flameproof switch cavity according to claim 1, characterized in that: the material of the mounting seat is the same as that of the box body.
7. The box body with the flameproof switch cavity according to claim 1, characterized in that: the size of the explosion-proof switch cavity is only enough to accommodate the explosion-proof switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111032234.0A CN113745035A (en) | 2021-09-03 | 2021-09-03 | Box body with explosion-proof switch cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111032234.0A CN113745035A (en) | 2021-09-03 | 2021-09-03 | Box body with explosion-proof switch cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113745035A true CN113745035A (en) | 2021-12-03 |
Family
ID=78735381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111032234.0A Pending CN113745035A (en) | 2021-09-03 | 2021-09-03 | Box body with explosion-proof switch cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113745035A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102271476A (en) * | 2011-07-07 | 2011-12-07 | 徐州中部矿山设备有限公司 | Explosionproof operation box |
| CN202373640U (en) * | 2011-12-26 | 2012-08-08 | 中国科学院沈阳自动化研究所 | Emergency power supply explosion-proof tank of urgency hedging facility |
| CN205656557U (en) * | 2016-04-11 | 2016-10-19 | 中煤科工集团上海研究院 | Shell structure of mining explosive -proof and intrinsic safety computer |
| CN211858446U (en) * | 2020-09-27 | 2020-11-03 | 江苏三恒科技股份有限公司 | Flame-proof switch |
| CN215681533U (en) * | 2021-09-03 | 2022-01-28 | 重庆安标检测研究院有限公司 | Device with explosion-proof switch cavity |
-
2021
- 2021-09-03 CN CN202111032234.0A patent/CN113745035A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102271476A (en) * | 2011-07-07 | 2011-12-07 | 徐州中部矿山设备有限公司 | Explosionproof operation box |
| CN202373640U (en) * | 2011-12-26 | 2012-08-08 | 中国科学院沈阳自动化研究所 | Emergency power supply explosion-proof tank of urgency hedging facility |
| CN205656557U (en) * | 2016-04-11 | 2016-10-19 | 中煤科工集团上海研究院 | Shell structure of mining explosive -proof and intrinsic safety computer |
| CN211858446U (en) * | 2020-09-27 | 2020-11-03 | 江苏三恒科技股份有限公司 | Flame-proof switch |
| CN215681533U (en) * | 2021-09-03 | 2022-01-28 | 重庆安标检测研究院有限公司 | Device with explosion-proof switch cavity |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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