CN109906006B - Marine low-speed diesel engine electric control system - Google Patents
Marine low-speed diesel engine electric control system Download PDFInfo
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- CN109906006B CN109906006B CN201910178667.3A CN201910178667A CN109906006B CN 109906006 B CN109906006 B CN 109906006B CN 201910178667 A CN201910178667 A CN 201910178667A CN 109906006 B CN109906006 B CN 109906006B
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- 238000007789 sealing Methods 0.000 claims abstract description 44
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000003825 pressing Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 238000005457 optimization Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000006978 adaptation 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
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
Abstract
The invention relates to an electric control system of a marine low-speed diesel engine. The electric control system of the marine low-speed diesel engine comprises an electric control box shell, wherein a rear plate is hermetically arranged on the outer surface of the rear end of the electric control box shell, a wire closed hole is formed in the surface of the rear plate, a wire closed pipe is detachably connected in the wire closed pipe, a wire hole penetrating through the electric control box is formed in the wire closed pipe, a ring groove is formed in the inner wall surface of the wire hole, a sealing ring is fixedly arranged in the ring groove, and the inner ring wall of the sealing ring is positioned in the wire hole; the surface of the rear plate, which is close to the electric cabinet shell, is provided with a sealing plate, and the line closed holes penetrate through the sealing plate and the rear plate; the sealing ring is a bag ring, a closed groove is formed in the surface of the wire closed pipe, a through pipe is communicated between the closed groove and the annular groove, and one end of the through pipe is fixedly connected with the bag ring; the electric control system of the marine low-speed diesel engine is simple to operate, convenient to prepare, high in applicability, and convenient to popularize and use, and provides good waterproof protection for the circuit.
Description
Technical Field
The invention belongs to the technical field of electric control safety, and particularly relates to an electric control system of a marine low-speed diesel engine.
Background
The marine diesel engine has high thermal efficiency, good economy, easy starting and great adaptability to various ships, and is used as ship propulsion power soon after being developed. By the 50 s of the 20 th century, diesel engines replaced steamers almost entirely in newly built vessels. Marine diesel engines have been the primary power for civil ships, small and medium sized ships and conventional submarines. Marine diesel engines can be divided into main engines and auxiliary engines according to their role in the ship. The main engine is used as propulsion power of the ship, and the auxiliary engine is used for driving a generator, an air compressor or a water pump and the like; for the electric control system of the marine low-speed diesel engine, the waterproof performance of the electric control system is required to be considered when the electric control system is manufactured and installed, for most of the traditional equipment conditions, the sealing waterproof performance is better, the shell and other large equipment are required to be fully wrapped in the large shell, sealing and waterproof are realized, but compared with the equipment in the shell, especially with a circuit electric cabinet, the electric control system is not easy to seal, then the large protective shell is generally exposed to the external environment, the problems of sunlight, saline water, microorganisms and the like easily cause the shell to be damaged quickly, and the electric cabinet with an external circuit is required to be better protected from water after the shell is damaged.
Disclosure of Invention
The invention aims to solve the problems and provide the electric control system of the marine low-speed diesel engine, which has a simple structure and reasonable design.
The invention realizes the above purpose through the following technical scheme:
the electric control system of the marine low-speed diesel engine comprises an electric cabinet shell, a rear plate is arranged on the outer surface of the rear end of the electric cabinet shell in a sealing mode, a line closed hole is formed in the surface of the rear plate, a line closed pipe is detachably connected in the line closed hole, a line hole penetrating through the line closed pipe is formed in the line closed pipe, an annular groove is formed in the surface of the inner wall of the line hole, a sealing ring is fixedly arranged in the annular groove, and the inner ring wall of the sealing ring is located in the line hole.
As a further optimization scheme of the invention, the surface of the rear plate, which is close to the electric cabinet shell, is provided with a sealing plate, and the line closed holes penetrate through the sealing plate and the rear plate.
As a further optimization scheme of the invention, the sealing ring is a bag ring, the surface of the wire closing pipe is provided with a closing groove, a through pipe is communicated between the closing groove and the annular groove, one end of the through pipe is fixedly connected with the bag ring, and the surface of the other end of the through pipe is fixedly connected with a sealing cap.
As a further optimization scheme of the invention, the bag ring is a plastic or rubber bag ring.
As a further optimization scheme of the invention, the wire hole arranged in the wire closed tube is divided into a first wire hole and a second wire hole, the inner wall surface of the second wire hole is also provided with a ring groove in which a bag ring is arranged, and a connecting tube is arranged between the bag ring of the second wire hole and the bag ring of the first wire hole for communication.
As a further optimization scheme of the invention, one end of the through pipe far away from the bag ring is fixedly provided with a one-way valve.
As a further optimization scheme of the invention, a rubber pressing sheet which can be inserted into the through pipe is arranged in the sealing cap, and the rubber pressing sheet is matched with the inner wall surface of the through pipe.
As a further optimization scheme of the invention, the number of the second wire holes is a plurality of groups.
As a further optimization scheme of the invention, the surface of the inner side wall of the electric cabinet shell is provided with a mounting groove, an upper connecting plate and a side connecting plate.
The invention has the beneficial effects that: according to the invention, the electric cabinet shell is better adapted to electric control boards with different sizes through the mounting groove, the upper connecting plate and the side connecting plate, and when the electric control boards are too small, the upper connecting plate and the side connecting plate can be lengthened in a welding or sticking mode to help fixation; the invention has the advantages that the operation is simple, the preparation is convenient, the applicability is strong, the good waterproof protection is provided for the circuit, and the popularization and the use are convenient.
Drawings
Fig. 1 is a schematic view of the electric cabinet housing structure of embodiment 1 of the present invention;
FIG. 2 is a schematic view of the structure of a wire-closing tube of embodiment 1 of the present invention;
fig. 3 is a schematic view of the electric cabinet housing structure of embodiment 2 of the present invention;
fig. 4 is a schematic view of the structure of a wire-closing tube according to embodiment 2 of the present invention.
In the figure: 1. an electric cabinet housing; 11. a mounting groove; 12. an upper connecting plate; 13. a lateral connecting plate; 2. A rear plate; 21. a sealing plate; 22. closing the wire; 23. closing the tube; 231. closing the slot; 232. a sealing cap; 233. a through pipe; 234. a ring groove; 235. a bag ring; 236. a wire hole; 2361. a first wire hole; 2362. and a second branching hole.
Detailed Description
The following detailed description of the present application is provided in conjunction with the accompanying drawings, and it is to be understood that the following detailed description is merely illustrative of the application and is not to be construed as limiting the scope of the application, since numerous insubstantial modifications and adaptations of the application will be to those skilled in the art in light of the foregoing disclosure.
Example 1
As shown in fig. 1 and 2, this marine low-speed diesel engine electrical system, including electric cabinet casing 1, electric cabinet casing 1's rear end surface sealing installation has back plate 2, sealing installation's mode is many, can utilize the welding to directly weld back plate 2 on electric cabinet casing 1's rear end face, operating panel can be installed to electric cabinet casing 1's front end face, install the electric cabinet board in its electric cabinet casing 1, the mounting groove 11 has been seted up at electric cabinet casing 1's inside lateral wall surface, upper plate 12 and sideboard 13, can install the electric cabinet board in mounting groove 11, reuse screw, welding or utilize the mode of melting plastics adhesion, be connected with upper plate 12 and sideboard 13, when the electric cabinet board's is too little, still can promote the length of upper plate 12 and sideboard 13 through the mode of welding, help adaptation, line obturator 22 has been seted up on the surface of back plate 2, the interior detachable connection's of line obturator 23 has been connected with line obturator 23, the mode is common in threaded connection, install the inner wall 236 in the inner ring groove 236 and the inner ring groove 236 of inner ring groove, the inner ring 236 is to be fixed contact with the inner ring groove 236 is had, the inner ring groove 236 is had to be fixed to the inner ring groove 236 is had.
Regarding the sealing mode between the back plate 2 and the electric cabinet shell 1, the surface of the back plate 2, which is close to the electric cabinet shell 1, can be provided with a sealing plate 21, the sealing plate 21 is an elastic rubber plate, the back plate 2 can be directly and fixedly connected with the electric cabinet shell 1 by means of bolts and the like, the sealing plate 21 made of the elastic rubber plate needs a certain thickness, and is positioned between the back plate 2 and the electric cabinet shell 1, so that the sealing effect is achieved, and when the mode is adopted, the wire closed hole 22 penetrates through the sealing plate 21 and the back plate 2.
For the sealing ring, the sealing ring is set as a bag ring 235, the bag ring 235 is an internally empty ring body with a similar tire structure, although the ring body is inflated or filled with liquid, the inflated ring body can be a ring body with a circular cross section as a tire, or can be a ring body with a square cross section, the surface of the wire closing tube 23 is provided with a closed groove 231, a through tube 233 is communicated between the closed groove 231 and the annular groove 234, one end of the through tube 233 is fixedly connected with the bag ring 235, the other end surface of the through tube 233 is fixedly connected with a sealing cap 232, the bag ring 235 is a plastic or rubber bag ring, no matter how the sealing cap is inflated or filled with liquid, the sealing cap can be in the form of a common threaded sealing cap, but the one-way valve can be a mechanical pressing one-way valve, which is similar to the one-way valve structure in the tire, if the through tube 233 is inflated, the sealing cap is pressed into the inner wall of the rubber bag 233 by a pressing piece 232, and the sealing cap can be pressed into the inner wall of the rubber bag 235 by further, and the sealing cap can be pressed into the inner wall of the rubber bag 233 by further, and the sealing cap is pressed into the inner wall of the rubber bag is further.
Example 2
On the basis of the above embodiment 1, as shown in fig. 3 and 4, the wire hole 236 formed in the wire closing tube 23 is divided into a first wire hole 2361 and a second wire hole 2362, the inner wall surface of the second wire hole 2362 is also provided with a ring groove 234 in which the ring 235 is mounted, and a connecting tube is provided between the ring 235 of the second wire hole 2362 and the ring 235 of the first wire hole 2361, at this time, the number of the second wire holes 2362 is set to be multiple groups, so that the ring 235 of multiple groups is all communicated with the ring in the first wire hole 2361, and air and liquid can be conveniently fed, and the connection mode can be that the ring of the first wire hole 2361 is connected with other ring groups in a continuous mode, or a mode of mutual communication, and the success rate of tightness and the filling pressure of filling air and filling liquid are directly correlated.
It should be noted that, when in use, the circuit line should be installed first, a certain line length is reserved, then the line closing tube 23 is installed, the line closing tube 23 is rotatably installed behind the line closing hole 22 of the rear plate 2, and then the rear plate 2 is fixed and sealed.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (4)
1. The utility model provides a marine low-speed diesel engine electrical system, includes electric cabinet casing (1), its characterized in that: the electric cabinet comprises an electric cabinet shell (1), wherein a rear plate (2) is hermetically arranged on the outer surface of the rear end of the electric cabinet shell (1), a wire closed hole (22) is formed in the surface of the rear plate (2), a wire closed pipe (23) is detachably connected in the wire closed hole (22), a wire hole (236) penetrating through the wire closed pipe (23) is formed in the wire closed pipe, an annular groove (234) is formed in the inner wall surface of the wire hole (236), a sealing ring is fixedly arranged in the annular groove (234), and the inner ring wall of the sealing ring is positioned in the wire hole (236);
the surface of the rear plate (2) close to the electric cabinet shell (1) is provided with a sealing plate (21), and the wire closed holes (22) penetrate through the sealing plate (21) and the rear plate (2);
the sealing ring is a bag ring (235), a closing groove (231) is formed in the surface of the wire closing pipe (23), a through pipe (233) is communicated between the closing groove (231) and the annular groove (234), one end of the through pipe (233) is fixedly connected with the bag ring (235), and a sealing cap (232) is fixedly connected with the surface of the other end of the through pipe (233);
the sealing cap (232) is internally provided with a rubber pressing sheet which can be inserted into the through pipe (233), the rubber pressing sheet is matched with the inner wall surface of the through pipe (233), liquid is filled into the bag ring (235) for filling the bag ring (235), the sealing cap (232) is rotationally closed, meanwhile, the rubber pressing sheet is pressed into the through pipe (233), the internal pressure of the bag ring (235) is improved, the liquid is filled into the bag ring (235), and the sealing performance is improved.
2. The marine low speed diesel engine electronic control system of claim 1, wherein: the wire hole (236) formed in the wire closing tube (23) is divided into a first wire hole (2361) and a second wire hole (2362), an annular groove (234) with a pocket ring (235) mounted therein is formed in the inner wall surface of the second wire hole (2362), and a connecting tube is arranged between the pocket ring (235) of the second wire hole (2362) and the pocket ring (235) of the first wire hole (2361).
3. The marine low speed diesel engine electronic control system of claim 2, wherein: the number of the second wire holes (2362) is a plurality of groups.
4. The marine low speed diesel engine electronic control system of claim 1, wherein: the electric cabinet is characterized in that a mounting groove (11), an upper connecting plate (12) and a side connecting plate (13) are formed in the surface of the inner side wall of the electric cabinet shell (1), and the bag ring (235) is a plastic or rubber bag ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910178667.3A CN109906006B (en) | 2019-03-11 | 2019-03-11 | Marine low-speed diesel engine electric control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910178667.3A CN109906006B (en) | 2019-03-11 | 2019-03-11 | Marine low-speed diesel engine electric control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109906006A CN109906006A (en) | 2019-06-18 |
| CN109906006B true CN109906006B (en) | 2024-01-02 |
Family
ID=66946807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910178667.3A Active CN109906006B (en) | 2019-03-11 | 2019-03-11 | Marine low-speed diesel engine electric control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109906006B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007083103A2 (en) * | 2006-01-20 | 2007-07-26 | Malcolm John Perrins | Immersed electrode assembly |
| CN204350453U (en) * | 2015-01-30 | 2015-05-20 | 成都市天目电子设备有限公司 | A kind of clamping device for different size surface-mounted integrated circuit |
| CN206775094U (en) * | 2017-03-31 | 2017-12-19 | 张兆仁 | A kind of electric power cable waterproof threader |
| CN207443285U (en) * | 2017-11-07 | 2018-06-01 | 广州极飞科技有限公司 | Waterproof construction, electronic equipment and unmanned plane |
| CN207611757U (en) * | 2017-12-15 | 2018-07-13 | 山东汉旗科技有限公司 | A kind of integrated circuit board sealing device |
| CN207854343U (en) * | 2018-01-30 | 2018-09-11 | 广东卓越太阳能科技有限公司 | A kind of solar energy electric vehicle controller |
| CN208092241U (en) * | 2018-02-28 | 2018-11-13 | 福建伊斯普电子科技有限公司 | A kind of Big Dipper water proof type marine navigator |
| CN208222273U (en) * | 2018-09-24 | 2018-12-11 | 吴海花 | A kind of water proof type ornament lamp |
| CN108987029A (en) * | 2018-08-21 | 2018-12-11 | 江阴林格科技有限公司 | Large-power marine diesel engines specialized high-speed electromagnet |
| CN209897480U (en) * | 2019-03-11 | 2020-01-03 | 安庆船用电器有限责任公司 | Electric control system of marine low-speed diesel engine |
-
2019
- 2019-03-11 CN CN201910178667.3A patent/CN109906006B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007083103A2 (en) * | 2006-01-20 | 2007-07-26 | Malcolm John Perrins | Immersed electrode assembly |
| CN204350453U (en) * | 2015-01-30 | 2015-05-20 | 成都市天目电子设备有限公司 | A kind of clamping device for different size surface-mounted integrated circuit |
| CN206775094U (en) * | 2017-03-31 | 2017-12-19 | 张兆仁 | A kind of electric power cable waterproof threader |
| CN207443285U (en) * | 2017-11-07 | 2018-06-01 | 广州极飞科技有限公司 | Waterproof construction, electronic equipment and unmanned plane |
| CN207611757U (en) * | 2017-12-15 | 2018-07-13 | 山东汉旗科技有限公司 | A kind of integrated circuit board sealing device |
| CN207854343U (en) * | 2018-01-30 | 2018-09-11 | 广东卓越太阳能科技有限公司 | A kind of solar energy electric vehicle controller |
| CN208092241U (en) * | 2018-02-28 | 2018-11-13 | 福建伊斯普电子科技有限公司 | A kind of Big Dipper water proof type marine navigator |
| CN108987029A (en) * | 2018-08-21 | 2018-12-11 | 江阴林格科技有限公司 | Large-power marine diesel engines specialized high-speed electromagnet |
| CN208222273U (en) * | 2018-09-24 | 2018-12-11 | 吴海花 | A kind of water proof type ornament lamp |
| CN209897480U (en) * | 2019-03-11 | 2020-01-03 | 安庆船用电器有限责任公司 | Electric control system of marine low-speed diesel engine |
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| Publication number | Publication date |
|---|---|
| CN109906006A (en) | 2019-06-18 |
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