CN210404907U - Brushless motor casing with fire-proof explosion-proof structure - Google Patents
Brushless motor casing with fire-proof explosion-proof structure Download PDFInfo
- Publication number
- CN210404907U CN210404907U CN201921454112.9U CN201921454112U CN210404907U CN 210404907 U CN210404907 U CN 210404907U CN 201921454112 U CN201921454112 U CN 201921454112U CN 210404907 U CN210404907 U CN 210404907U
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- Prior art keywords
- fire
- casing
- proof
- brushless motor
- explosion
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- 238000007789 sealing Methods 0.000 claims abstract description 46
- 238000004880 explosion Methods 0.000 claims abstract description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 14
- 239000004033 plastic Substances 0.000 claims description 11
- 230000002265 prevention Effects 0.000 claims description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 7
- 239000001569 carbon dioxide Substances 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000005538 encapsulation Methods 0.000 claims 2
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 12
- 230000002269 spontaneous effect Effects 0.000 abstract description 11
- 238000013461 design Methods 0.000 abstract description 3
- 239000003595 mist Substances 0.000 abstract description 3
- 238000009776 industrial production Methods 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of motors, in particular to a brushless motor casing with a flame-proof and explosion-proof structure, which comprises a casing and sealing covers packaged at two ends of the casing, wherein the inner wall of the casing is provided with a plurality of slots along the circumferential direction, strip-shaped fire-proof strips matched with the slots are inserted in the slots, a first fire-extinguishing bag is packaged in each fire-proof strip, and one side of each fire-proof strip, which faces the inside of the casing, is provided with a first sealing strip; the inner cavity of the sealing cover is provided with a fireproof plate matched with the sealing cover, a second fire extinguishing bag is packaged in the fireproof plate, and a second sealing strip is arranged on one side of the fireproof plate facing the inside of the shell. The utility model discloses a casing adopts the design of full seal structure, effectively avoids the inside spontaneous combustion intensity of a fire of brushless motor to outwards stretch, and can carry out automatic fire extinguishing in the brushless motor casing, prevents to cause the explosion of mist in the surrounding environment because of the inside spontaneous combustion of motor, has improved the security of brushless motor in industrial production.
Description
Technical Field
The utility model relates to the technical field of electric machines, especially, relate to a brushless motor casing with fire prevention explosion-proof construction.
Background
Brushless motors are widely used in various industries, with the development of industrialization, the brushless motors are often in an overload state in production, the motor overheating can accelerate the aging of the circuits of the brushless motors, spontaneous combustion can possibly occur inside the brushless motors under a certain condition, and if in some special industries, such as the mining industry, the environment around which the brushless motors work often contains many flammable and explosive mixed gases, in such a condition, if the inside of the brushless motors spontaneously combusts, very serious consequences can be caused. A plurality of motors on the market are provided with protective layers to prevent the motors from internal combustion and implosion, and the effect is not ideal enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the self-ignition inside the brushless motor can not realize the automatic fire extinguishing in the prior art, and providing a brushless motor casing with a flame-proof and explosion-proof structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
designing a brushless motor shell with a flame-proof and explosion-proof structure, comprising a shell and sealing covers packaged at two ends of the shell, wherein a plurality of slots are formed in the inner wall of the shell along the circumferential direction of the shell, strip-shaped fire strips matched with the slots are inserted in the slots, a first fire extinguishing bag is packaged in each fire strip, a fire extinguishing medium mixed with carbon dioxide and dry powder is packaged in each first fire extinguishing bag, and a first sealing strip used for discharging the fire extinguishing medium is arranged on one side of each fire strip, facing the inside of the shell;
be equipped with assorted PLASTIC LAMINATED with it in the inner chamber of closing cap, the PLASTIC LAMINATED is hollow structure, and the inside second fire extinguishing bag that is packaged with, and the packing has the fire extinguishing medium with the same component of first fire extinguishing bag in the second fire extinguishing bag, and the PLASTIC LAMINATED is towards the inside one side of casing to be equipped with many second strip of paper used for sealing that are used for emitting the fire extinguishing medium along its circumference.
Furthermore, a first mounting hole and a second mounting hole for fixedly mounting the sealing cover are respectively formed in the corresponding side of the shell and the sealing cover and positioned at four corners.
Furthermore, radiating fins are uniformly distributed on the outer side wall of the shell along the circumferential direction of the outer side wall.
Furthermore, a plurality of reinforcing ribs of a closed ring structure are arranged on the outer side of the shell along the length direction of the shell, and the reinforcing ribs and the shell are of an integrated structure.
Furthermore, the cross section of the slot is dovetail-shaped.
Furthermore, the first seal and the second seal are both plastic plates, and the thickness of the plastic plates is 1-2 mm.
Furthermore, the axle center position of PLASTIC LAMINATED runs through and is equipped with the hole that is used for pivot to pass through on the rotor, and the edge in hole is equipped with the sealing washer that is used for sealed pivot, and the sealing washer is the fire prevention rubber circle.
The utility model provides a pair of brushless motor casing with fire-proof explosion-proof structure, beneficial effect lies in: the utility model discloses a casing adopts the design of full seal structure, effectively avoid the inside spontaneous combustion intensity of a fire of brushless motor to outwards stretch, and inside circumference of brushless motor's casing is gone up and both ends all are equipped with the unit of putting out a fire, in case take place the spontaneous combustion phenomenon in the motor casing, under the high temperature condition, first strip of paper used for sealing and second strip of paper used for sealing just can break, the fire extinguishing medium in fire prevention strip and the PLASTIC LAMINATED just can fill brushless motor's casing in, and then realized automatic fire extinguishing, prevent because of the inside spontaneous combustion of motor causes the explosion of mist in the surrounding environment, brushless motor's security in industrial production has been improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a perspective view of a housing in an embodiment of the present invention;
fig. 2 is a schematic view of the internal structure of the housing in the embodiment of the present invention;
FIG. 3 is a perspective view of an embodiment of the present invention;
fig. 4 is a schematic view of the internal structure of the sealing cap according to the embodiment of the present invention.
Labeled as: casing 1, slot 2, fire prevention strip 3, first strip of paper used for sealing 4, first mounting hole 5, heat dissipation fin 6, strengthening rib 7, first fire-fighting bag 8, closing cap 9, PLASTIC LAMINATED 10, second strip of paper used for sealing 11, sealing washer 12, second mounting hole 13, second fire-fighting bag 14.
Detailed Description
The present invention will be further described with reference to the following specific examples. These examples are provided only for illustrating the present invention and are not intended to limit the scope of the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The structural features of the present invention will now be described in detail with reference to the accompanying drawings.
Referring to fig. 1-4, a brushless motor casing with a flame-proof and explosion-proof structure comprises a casing 1 and sealing covers 9 sealed at two ends of the casing 1, wherein a plurality of slots 2 are arranged on the inner wall of the casing 1 along the circumferential direction, strip-shaped fire-extinguishing strips 3 matched with the slots 2 are inserted in the slots 2, first fire-extinguishing bags 8 are sealed in the fire-extinguishing strips 3, fire-extinguishing media mixed with carbon dioxide and dry powder are sealed in the first fire-extinguishing bags 8, and first sealing strips 4 used for discharging the fire-extinguishing media are arranged on one side of the fire-extinguishing strips 3 facing the inside of the casing 1;
the inner cavity of the sealing cover 9 is provided with a fireproof plate 10 matched with the sealing cover, the fireproof plate 10 is of a hollow structure, a second fire extinguishing bag 14 is packaged inside the fireproof plate, fire extinguishing media with the same components as those of the first fire extinguishing bag 8 are packaged in the second fire extinguishing bag 14, and the fireproof plate 10 faces one side of the inside of the shell 1 and is provided with a plurality of second sealing strips 11 used for discharging the fire extinguishing media along the circumferential direction of the fireproof plate.
The utility model discloses a brushless motor casing with fire prevention explosion-proof structure, moreover, the steam generator is simple in structure, the casing adopts the design of full seal structure, effectively avoid the inside spontaneous combustion intensity of a fire of brushless motor to outwards stretch, and inside circumference is upwards and both ends all are equipped with the unit of putting out a fire in brushless motor's casing, in case take place the spontaneous combustion phenomenon in the motor casing, under the high temperature condition, first strip of paper used for sealing and second strip of paper used for sealing just can break, the fire extinguishing medium in fire prevention strip and the PLASTIC LAMINATED just can fill brushless motor's casing in, and then automatic fire extinguishing has been realized, prevent the explosion of mist in the initiation surrounding environment because of the inside spontaneous combustion of motor, the security of brushless motor in.
Specifically, when the fire extinguishing device is used, carbon dioxide and dry powder are packaged in the first fire extinguishing bag 8 and the second fire extinguishing bag 14, carbon dioxide with certain pressure is filled in the bags during packaging, pressure for spraying the dry powder is generated in the first fire extinguishing bag 8 and the second fire extinguishing bag 14, the first fire extinguishing bag 8 is packaged in the fire strip 3, the second fire extinguishing bag 14 is packaged in the fireproof plate 10, next, the fire strip 3 filled with fire extinguishing medium is inserted into the slot 2 in the inner wall of the shell 1, the fireproof plate 10 filled with the fire extinguishing medium is installed in the inner cavity of the sealing cover 9, finally, the sealing covers 9 are installed at two ends of the shell 1, and the stator and the rotor of the brushless motor are packaged in the shell, so that the brushless motor forms a sealed shell.
Referring to fig. 1, further, a first mounting hole 5 and a second mounting hole 13 for fixedly mounting the cover 9 are respectively formed at four corners of one side of the housing 1 corresponding to the cover 9.
The first mounting hole 5 and the second mounting hole 13 are provided for mounting the cover 9 at two ends of the housing 1, and when mounting, the housing 1 and the cover 9 need to be provided with sealing sheets for sealing the joint of the housing 1 and the cover 9.
Referring to fig. 1, further, the outer side wall of the housing 1 is uniformly distributed with fins 6 along the circumference thereof.
Set up heat dissipation fin 6, can increase the heat radiating area of casing 1 in the use, further improve the heat-sinking capability of brushless motor casing.
Referring to fig. 1, further, a plurality of reinforcing ribs 7 in a closed ring structure are arranged on the outer side of the casing 1 along the length direction of the casing, and the reinforcing ribs 7 and the casing 1 are of an integral structure.
Set up strengthening rib 7, a plurality of strengthening ribs 7 casings improve casing 1's mechanical strength on casing 1, strengthen the bearing capacity of casing, and further, improve the intensity of brushless motor casing, make it more durable.
Referring to fig. 1 and 2, further, the cross-section of the slot 2 is dovetail-shaped.
The slot 2 is arranged to be of a dovetail shape and used for facilitating installation of the fire-proof strip 3, when the fire-proof strip 3 is installed, only the fire-proof strip needs to be inserted into the slot 2, two ends of the fire-proof strip can be limited and fixed through the sealing cover 9, installation efficiency of the brushless motor shell is improved, and the fire-proof strip 3 is convenient and easy to install.
Referring to fig. 2 and 4, further, the first seal 4 and the second seal 11 are each a plastic sheet having a thickness of 1-2 mm.
Set up first strip of paper used for sealing 4 and second strip of paper used for sealing 11, in case take place the spontaneous combustion phenomenon in brushless motor's the casing after, its inside temperature just can rise, when the temperature risees enough to melt first strip of paper used for sealing 4 and second strip of paper used for sealing 11, first fire bag 8 and the second fire bag 14 in fire prevention strip 3 and the PLASTIC LAMINATED 10 just can break open, the dry powder of putting out a fire in the fire bag after breaking open is spouted into in the casing under highly compressed carbon dioxide's impact, make to be full of carbon dioxide and the dry powder of putting out a fire in the casing, thereby reach the purpose of putting out a fire, and then realized that brushless motor casing has the ability of automatic fire extinguishing, prevent because of the explosion of the inside spontaneous combustion of motor causes mixed gas in the surrounding environment, the security.
Referring to fig. 3 and 4, further, a hole for a rotating shaft on the rotor to pass through is formed in the axis position of the fireproof plate 10, a sealing ring 12 for sealing the rotating shaft is arranged at the edge of the hole, and the sealing ring 12 is a fireproof rubber ring.
And a sealing ring 12 is arranged for sealing a gap between the sealing cover 9 and the upper rotating shaft of the rotor, and further, the sealing property of the brushless motor shell is improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A brushless motor casing with a flame-proof and explosion-proof structure comprises a casing (1) and sealing covers (9) sealed at two ends of the casing (1), and is characterized in that a plurality of slots (2) are formed in the inner wall of the casing (1) along the circumferential direction of the casing, strip-shaped fire-extinguishing strips (3) matched with the slots (2) are inserted in the slots (2), a first fire-extinguishing bag (8) is sealed in the fire-extinguishing strips (3), fire-extinguishing media mixed with carbon dioxide and dry powder are sealed in the first fire-extinguishing bag (8), and a first sealing strip (4) used for releasing the fire-extinguishing media is arranged on one side, facing the inside of the casing (1), of the fire-extinguishing strips (3);
be equipped with in the inner chamber of closing cap (9) fire prevention board (10) assorted with it, fire prevention board (10) are hollow structure, and inside encapsulation has second fire bag (14), and the encapsulation is equipped with the fire extinguishing medium with first fire bag (8) the same component in second fire bag (14), and fire prevention board (10) are towards the inside one side of casing (1) to be equipped with many second seals (11) that are used for emitting fire extinguishing medium along its circumference.
2. The casing of the brushless motor with the flame-proof and explosion-proof structure as claimed in claim 1, wherein the casing (1) and the cover (9) are provided at respective sides thereof and at four corners thereof with a first mounting hole (5) and a second mounting hole (13) for fixedly mounting the cover (9).
3. The casing of the brushless motor with the flame-proof and explosion-proof structure according to claim 1, wherein the outer side wall of the casing (1) is uniformly distributed with fins (6) along the circumference.
4. The case of the brushless motor with the flame-proof and explosion-proof structure as claimed in claim 1, wherein the outer side of the case (1) is provided with a plurality of reinforcing ribs (7) of a closed ring structure along the length direction thereof, and the reinforcing ribs (7) and the case (1) are of an integral structure.
5. A brushless motor casing having a flame and explosion proof structure according to claim 1, wherein the cross-section of the insertion groove (2) is dovetail-shaped.
6. The case of the brushless motor with the flame and explosion proof structure according to claim 1, wherein the first seal (4) and the second seal (11) are plastic plates each having a thickness of 1-2 mm.
7. The casing of the brushless motor with the flame-proof and explosion-proof structure according to claim 1, wherein a hole for a rotating shaft on the rotor to pass through is formed in the axis position of the fireproof plate (10), a sealing ring (12) for sealing the rotating shaft is arranged at the edge of the hole, and the sealing ring (12) is a fireproof rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921454112.9U CN210404907U (en) | 2019-09-03 | 2019-09-03 | Brushless motor casing with fire-proof explosion-proof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921454112.9U CN210404907U (en) | 2019-09-03 | 2019-09-03 | Brushless motor casing with fire-proof explosion-proof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210404907U true CN210404907U (en) | 2020-04-24 |
Family
ID=70340034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921454112.9U Expired - Fee Related CN210404907U (en) | 2019-09-03 | 2019-09-03 | Brushless motor casing with fire-proof explosion-proof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210404907U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113162293A (en) * | 2021-04-21 | 2021-07-23 | 嵊州市进取电器有限公司 | Novel motor for household electrical appliances |
| CN117175829A (en) * | 2023-07-28 | 2023-12-05 | 江苏品星防爆电机有限公司 | Sealing device for explosion-proof motor |
-
2019
- 2019-09-03 CN CN201921454112.9U patent/CN210404907U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113162293A (en) * | 2021-04-21 | 2021-07-23 | 嵊州市进取电器有限公司 | Novel motor for household electrical appliances |
| CN113162293B (en) * | 2021-04-21 | 2022-06-17 | 嵊州市进取电器有限公司 | Motor for household electrical appliance |
| CN117175829A (en) * | 2023-07-28 | 2023-12-05 | 江苏品星防爆电机有限公司 | Sealing device for explosion-proof motor |
| CN117175829B (en) * | 2023-07-28 | 2024-04-12 | 江苏品星防爆电机有限公司 | Sealing device for explosion-proof motor |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 |