CN114362480A - Be applicable to locomotive converter cabinet body ventilation plug explosion-proof construction - Google Patents
Be applicable to locomotive converter cabinet body ventilation plug explosion-proof construction Download PDFInfo
- Publication number
- CN114362480A CN114362480A CN202111550854.3A CN202111550854A CN114362480A CN 114362480 A CN114362480 A CN 114362480A CN 202111550854 A CN202111550854 A CN 202111550854A CN 114362480 A CN114362480 A CN 114362480A
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- CN
- China
- Prior art keywords
- plug
- cabinet body
- converter cabinet
- layer
- ventilation
- 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
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention relates to the field of an explosion-proof structure of a locomotive converter cabinet body, in particular to an explosion-proof structure of a ventilation plug suitable for the locomotive converter cabinet body. Comprises a plug and a waterproof breathable membrane component arranged at one end of the plug; the plug is provided with at least one first vent hole; the waterproof breathable film assembly comprises a breathable film layer and a supporting and protecting layer arranged on the surface of the breathable film layer, and a second vent hole is formed in the supporting and protecting layer and corresponds to the first vent hole. The anti-explosion structure is suitable for the ventilation plug of the locomotive converter cabinet body, and has the advantages of simple and reliable structure, light weight, convenience in installation and maintenance, low improvement cost and short period; the original cabinet body is ensured to be explosion-proof and breathable, and the function of preventing moisture and salt mist from invading the cabinet body is achieved; in addition, the structure can be popularized on the similar products using the ventilation plugs.
Description
Technical Field
The invention relates to the field of an explosion-proof structure of a locomotive converter cabinet body, in particular to an explosion-proof structure of a ventilation plug suitable for the locomotive converter cabinet body.
Background
The technical scheme for preventing explosion of the converter cabinet body of the five-type motor train unit introduced by the prior art adopts the ventilation plug, and the ventilation plug structure can effectively prevent rain and explosion. However, the ventilation plug structure can not prevent moisture, and moisture and salt fog are caused to enter the electric appliance chamber of the converter cabinet by the structure of the via hole, so that condensed water is easily formed, the creepage clearance of electricity is reduced, the insulating property is reduced, and the reliable operation of the converter cabinet is seriously influenced. The via hole structure has limited protection performance on sand and dust, reduces the IP fire-proof grade of the converter body and influences the reliable operation of the converter cabinet.
And then, in order to meet the explosion-proof performance of the converter cabinet body of the five-type motor train unit, a breathable film is arranged on the door of the cabinet body. However, the converter cabinets of the five-type motor train unit run in large batch, the cabinet doors of the converter cabinets need to be replaced and designed after the structure is changed, the cost is high, the period is long, the cost is very high after the original cabinet doors are changed, and particularly, the motor train unit runs normally, the batch change time is long, and the running of the motor train unit is influenced.
At present, explosion-proof vent valves with various specifications and designed by utilizing a breathable film are available in the market, and the explosion-proof vent valves are mainly made of two materials, namely metal and nonmetal materials. The structure is convenient and quick to apply to newly designed products, and only corresponding matching holes are designed in the cabinet body. However, for the old five-type motor train unit converter cabinet, the explosion-proof ventilation valve is not matched at the interface of the cabinet door. And the ventilation holes of the ventilation valve on the market are small, and the air quantity is limited. The cost of the die is higher when the ventilation valve made of plastic material is newly designed on the converter cabinet. Besides small ventilation amount and high price, the installed metal structure ventilation valve has heavier mass, and the structural strength of the original cabinet door of the motor train unit running at high speed needs to be verified.
Disclosure of Invention
The invention provides a ventilating plug explosion-proof structure suitable for a locomotive converter cabinet body, aiming at solving various problems existing in the explosion-proof design of the converter cabinet body of the five-type motor train unit.
The invention is realized by the following technical scheme: an explosion-proof structure of a ventilating plug suitable for a locomotive converter cabinet body comprises a plug and a waterproof breathable membrane component arranged at one end of the plug;
the plug is provided with at least one first vent hole;
the waterproof breathable film assembly comprises a breathable film layer and a supporting and protecting layer arranged on the surface of the breathable film layer, and a second vent hole is formed in the supporting and protecting layer and corresponds to the first vent hole.
As a further improvement of the technical scheme of the invention, the waterproof breathable film component is arranged on the plug close to the breathable film layer.
As a further improvement of the technical scheme of the invention, one side of the breathable film layer is adhered to the supporting protective layer.
As a further improvement of the technical scheme of the invention, a first double-sided adhesive layer is arranged between one side of the breathable film layer and the supporting and protecting layer, and a third vent hole is formed in the first double-sided adhesive layer and corresponds to the first vent hole.
As a further improvement of the technical scheme of the invention, the other side of the breathable film layer is adhered to the plug.
As a further improvement of the technical scheme of the invention, a second double-sided adhesive layer is arranged between the other side of the breathable film layer and the plug, and a fourth ventilation hole is formed in the second double-sided adhesive layer and corresponds to the first ventilation hole.
As a further improvement of the technical scheme of the invention, the supporting protective layer is made of PC material.
As a further improvement of the technical scheme of the invention, the breathable membrane layer is made of ePTFE material.
As a further improvement of the technical scheme of the invention, the plug can be matched with the groove of the ventilation plug.
As a further improvement of the technical scheme of the invention, the waterproof breathable membrane component is positioned between the plug and the vent plug mesh.
The anti-explosion structure is suitable for the ventilation plug of the locomotive converter cabinet body, and has the advantages of simple and reliable structure, light weight, convenience in installation and maintenance, low improvement cost and short period; the original cabinet body is ensured to be explosion-proof and breathable, and the function of preventing moisture and salt mist from invading the cabinet body is achieved; in addition, the structure can be popularized on the similar products using the ventilation plugs.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a waterproof breathable membrane assembly of the present invention. Fig. (a) is a schematic view of the structure of the waterproof breathable film assembly, and fig. (b) is a front view of the breathable film layer.
Fig. 2 is a schematic structural diagram of the double-sided adhesive layer and the supporting protective layer. Fig. a is a schematic structural view of the double-sided adhesive layer, and fig. b is a schematic structural view of the supporting protective layer.
Fig. 3 is a schematic structural diagram of the plug. Fig. (a) is a front view of the plug, and fig. (b) is a plan view of fig. (a).
FIG. 4 is a schematic view of the connection between the waterproof breathable membrane assembly and the plug.
In the figure: 1-a waterproof breathable membrane assembly, 101-a breathable membrane layer, 102-a supporting protective layer, 103-a second ventilation hole, 104-a first double-sided adhesive layer, 105-a second double-sided adhesive layer, 106-a third ventilation hole, 107-a fourth ventilation hole, 2-a plug and 201-a first ventilation hole.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 4, the present invention provides a specific embodiment of an explosion-proof structure of a ventilating plug suitable for a cabinet body of a locomotive converter cabinet, including a plug 2, a waterproof and breathable film assembly 1 disposed at one end of the plug 2;
seven first ventilation holes 201 are formed in the plug 2;
the waterproof breathable membrane assembly 1 comprises a breathable membrane layer 101 and a supporting protective layer 102 arranged on the surface of the breathable membrane layer 101, wherein a second vent hole 103 is formed in the supporting protective layer 102 corresponding to the first vent hole 201.
As shown in fig. 3, in the present embodiment, one of the seven first ventilation holes 201 is located in the center of the plug 2, and the remaining six first ventilation holes 201 are distributed on the periphery. The plug 2 is in a round table shape matched with the groove of the ventilation plug.
Specifically, as shown in fig. 4, the waterproof and breathable membrane assembly 1 is located between the plug 2 and the vent plug mesh, and the waterproof and breathable membrane assembly 1 is disposed on the plug 2 close to the breathable membrane layer 101.
In specific implementation, one side of the air permeable film layer 101 is adhered to the supporting and protecting layer 102.
As shown in fig. 2, a first double-sided adhesive layer 104 is disposed between one side of the air permeable film layer 101 and the supporting and protecting layer 102, and a third vent hole 106 is disposed on the first double-sided adhesive layer 104 and corresponds to the first vent hole 201.
Further, the other side of the breathable film layer 101 is adhered to the plug 2.
As shown in fig. 2, a second double-sided adhesive layer 105 is disposed between the other side of the air permeable film layer 101 and the plug 2, and a fourth vent hole 107 is disposed on the second double-sided adhesive layer 105 and corresponds to the first vent hole 201.
In a specific application, the supporting and protecting layer 102 is made of PC material (polycarbonate). In this embodiment, since the breathable film layer 101 is thin and is easily wrinkled and deformed during use, a supporting and protecting layer 102 is provided, and the supporting and protecting layer 102 can protect and support the breathable film layer 101. The PC material has the advantages of strong impact resistance, and good strength and toughness. Of course, other materials may be used to prepare the supporting protective layer 102.
In a specific application, the breathable membrane layer 101 is made of ePTFE (polytetrafluoroethylene). When the membrane is used specifically, the ePTFE membrane prepared from Shanghai Kan limited company is adopted, and the membrane has good ventilation performance and has the advantages of water resistance, temperature resistance and the like.
Further, the plug 2 is made of EPDM rubber, and the hardness is as follows: 75. + -. 5% Shore A, color: white, temperature resistance: the temperature is-40 ℃ to 120 ℃, and the surface is smooth and has no burrs or rubber bumps. The plug 2 can be guaranteed to be installed in the ventilation plug and has an excellent sealing effect and good weather resistance.
As shown in fig. 4, the size of the waterproof and breathable membrane assembly 1 is the same as that of the smaller diameter end of the plug 2. During specific installation, the vent holes of the waterproof breathable membrane assembly 1 are opposite to the first vent holes 201 of the plug 2 one by one.
During specific installation, a) cleaning: inside the ventilation stopper, dip in the clean net hole that alcohol will ventilate the stopper with the cotton swab to dry. b) And (4) checking: this embodiment explosion-proof structure of ventilation plug surfacing, no mar and damage. c) Freezing: the vent plug blast resistant construction described in this example was frozen in a freezer at-20 c for more than 2 hours. d) Installation: the vent plug explosion-proof structure is taken out of the refrigerator, quickly placed into the groove of the vent plug and pressed by force.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An explosion-proof structure of a ventilating plug suitable for a locomotive converter cabinet body is characterized by comprising a plug (2) and a waterproof ventilating membrane component (1) arranged at one end of the plug (2);
the plug (2) is provided with at least one first vent hole (201);
the waterproof breathable membrane assembly (1) comprises a breathable membrane layer (101) and a supporting and protecting layer (102) arranged on the surface of the breathable membrane layer (101), wherein a second vent hole (103) is formed in the supporting and protecting layer (102) and corresponds to the first vent hole (201).
2. The anti-explosion structure of a ventilating plug suitable for a locomotive converter cabinet body according to claim 1, wherein the waterproof breathable membrane assembly (1) is arranged on the plug (2) close to the breathable membrane layer (101).
3. The anti-explosion structure of a ventilating plug suitable for a locomotive converter cabinet body according to claim 1, wherein one side of the breathable film layer (101) is adhered to the supporting and protecting layer (102).
4. The anti-explosion structure suitable for the locomotive converter cabinet ventilation plug of claim 3, wherein a first double-sided adhesive layer (104) is disposed between one side of the breathable film layer (101) and the supporting and protecting layer (102), and a third ventilation hole (106) is formed in the first double-sided adhesive layer (104) corresponding to the first ventilation hole (201).
5. The anti-explosion structure of the ventilating plug suitable for the locomotive converter cabinet body according to claim 3, wherein the other side of the breathable film layer (101) is adhered to the plug (2).
6. The anti-explosion structure of the ventilating plug suitable for the locomotive converter cabinet body according to claim 5, wherein a second double-sided adhesive layer (105) is disposed between the other side of the ventilating film layer (101) and the plug (2), and a fourth ventilating hole (107) is formed in the second double-sided adhesive layer (105) corresponding to the first ventilating hole (201).
7. The vent plug blast resistant construction adapted for a locomotive converter cabinet according to any one of claims 1 to 6 wherein said support and protection layer (102) is made of PC material.
8. The anti-explosion structure of a vent plug suitable for a locomotive converter cabinet body according to any one of claims 1 to 6, wherein the breathable film layer (101) is made of ePTFE material.
9. The anti-explosion structure of a ventilation plug suitable for a locomotive converter cabinet body according to any one of claims 1 to 6, wherein the plug (2) is capable of fitting into a groove of the ventilation plug.
10. The anti-explosion structure of a ventilation plug suitable for a locomotive converter cabinet body according to claim 9, wherein the waterproof and breathable membrane assembly (1) is located between the plug (2) and a ventilation plug mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111550854.3A CN114362480A (en) | 2021-12-17 | 2021-12-17 | Be applicable to locomotive converter cabinet body ventilation plug explosion-proof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111550854.3A CN114362480A (en) | 2021-12-17 | 2021-12-17 | Be applicable to locomotive converter cabinet body ventilation plug explosion-proof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114362480A true CN114362480A (en) | 2022-04-15 |
Family
ID=81098876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111550854.3A Pending CN114362480A (en) | 2021-12-17 | 2021-12-17 | Be applicable to locomotive converter cabinet body ventilation plug explosion-proof construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114362480A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2010100984A4 (en) * | 2010-09-13 | 2011-03-24 | Avc Industrial Corp. | Waterproof and breathable plug |
| CN102808979A (en) * | 2011-05-31 | 2012-12-05 | 北京中石伟业技术有限公司 | Shielding waterproof ventilated valve |
| CN110311079A (en) * | 2019-06-28 | 2019-10-08 | 蜂巢能源科技有限公司 | Explosion-proof ventilative membrane module and its explosion-proof vent valve of battery pack |
| CN110410541A (en) * | 2019-08-09 | 2019-11-05 | 北京市九州风神科技股份有限公司 | The pressure relief device of liquid-leakage preventing |
| CN111516750A (en) * | 2020-06-04 | 2020-08-11 | 士彩材料科技（苏州）有限公司 | Embedded waterproof ventilation plug |
| CN213244155U (en) * | 2020-11-12 | 2021-05-18 | 河南锐视保电子科技有限公司 | Waterproof dustproof vehicle-mounted camera |
| CN214094402U (en) * | 2021-01-29 | 2021-08-31 | 中山市南达电子有限公司 | Waterproof ventilative illumination stick |
-
2021
- 2021-12-17 CN CN202111550854.3A patent/CN114362480A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2010100984A4 (en) * | 2010-09-13 | 2011-03-24 | Avc Industrial Corp. | Waterproof and breathable plug |
| CN102808979A (en) * | 2011-05-31 | 2012-12-05 | 北京中石伟业技术有限公司 | Shielding waterproof ventilated valve |
| CN110311079A (en) * | 2019-06-28 | 2019-10-08 | 蜂巢能源科技有限公司 | Explosion-proof ventilative membrane module and its explosion-proof vent valve of battery pack |
| CN110410541A (en) * | 2019-08-09 | 2019-11-05 | 北京市九州风神科技股份有限公司 | The pressure relief device of liquid-leakage preventing |
| CN111516750A (en) * | 2020-06-04 | 2020-08-11 | 士彩材料科技（苏州）有限公司 | Embedded waterproof ventilation plug |
| CN213244155U (en) * | 2020-11-12 | 2021-05-18 | 河南锐视保电子科技有限公司 | Waterproof dustproof vehicle-mounted camera |
| CN214094402U (en) * | 2021-01-29 | 2021-08-31 | 中山市南达电子有限公司 | Waterproof ventilative illumination stick |
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