CN105298711A - Heating device for internal combustion engine - Google Patents

Heating device for internal combustion engine Download PDF

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Publication number
CN105298711A
CN105298711A CN201510848331.5A CN201510848331A CN105298711A CN 105298711 A CN105298711 A CN 105298711A CN 201510848331 A CN201510848331 A CN 201510848331A CN 105298711 A CN105298711 A CN 105298711A
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China
Prior art keywords
explosion
proof
combustion engine
casing
pole
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CN201510848331.5A
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Chinese (zh)
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CN105298711B (en
Inventor
姚武
黄玉成
王旭兵
刘忠
钟放
曾昆雷
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Hengyang Heli Industrial Vehicle Co Ltd
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Hengyang Heli Industrial Vehicle Co Ltd
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Priority to CN201510848331.5A priority Critical patent/CN105298711B/en
Publication of CN105298711A publication Critical patent/CN105298711A/en
Application granted granted Critical
Publication of CN105298711B publication Critical patent/CN105298711B/en
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Abstract

The invention discloses a heating device for an internal combustion engine. The heating device comprises an explosion-proof preheating plug arranged in the internal combustion engine, wherein the explosion-proof preheating plug comprises a cable fixedly connected with the top of an inner pole in the explosion-proof preheating plug, and the bottom of the pole is connected with an electric heating wire; the outer walls of the pole and the cable are provided with an explosion-proof shell in a wrapping manner, and the bottom of the explosion-proof shell is provided with a heat isolation housing in a communication manner; a heating housing is arranged in the heat isolation housing, and the electric heating wire is fixedly connected and wrapped with the heating housing; and the bottom of the heating housing extends to the outside of the heat isolation housing through the bottom of the heat isolation housing. The outer walls of the pole and the cable are wrapped with the explosion-proof shell, the electric heating wire is wrapped with the heating housing, and the upper part of the heat isolation housing is wrapped with the heat isolation housing, so that the cable, the pole and the electric heating wire are isolated from the outside, and the occurrence of an ignition source is fundamentally avoided; in this way, the internal combustion engine can work in dangerous areas (containing inflammables such as explosive gases and dust).

Description

A kind of internal-combustion engine heating equipment
Technical field
The present invention relates to Structure of Internal-Combustion Engine design field, particularly relate to a kind of internal-combustion engine heating equipment.
Background technique
Internal-combustion engine is a kind of dynamic power machine, and it is by making fuel burn at machine intimate, and the heat energy of being released directly is converted to the heat engine of power.
At present because the power that internal-combustion engine is powerful is widely used in industrial field, in order to be easy to start and work in the environment that temperature is lower, heater plug is requisite vitals in internal-combustion engine, but present heater plug is at work because electric current is larger, can exist when heater plug works and occur spark, electric arc, therefore use the internal-combustion engine of this heater plug can not work in comparatively dangerous region (containing the fire good such as explosive gas, dust), otherwise the comparatively easily disaster such as explosion caused or fire will be gone out.
Summary of the invention
In view of this, the object of this invention is to provide a kind of internal-combustion engine heating equipment, internal-combustion engine work in comparatively dangerous region (containing the fire good such as explosive gas, dust) can be made.
For solving the problems of the technologies described above, the invention provides a kind of internal-combustion engine heating equipment, comprise the explosion-proof heater plug be arranged in described internal-combustion engine, described explosion-proof heater plug comprise with described explosion-proof heater plug in the affixed cable in pole top, be connected with electric heating wire bottom described pole, described pole and described cable outer wall parcel are provided with explosion-proof casing, and connection is provided with heat-insulating casing bottom described explosion-proof casing, heating casing is provided with in described heat-insulating casing, described heating casing is by affixed for described electric heating wire parcel, by extending to outside described heat-insulating casing bottom described heat-insulating casing bottom described heating casing.
Preferably, described explosion-proof casing comprises insulation shell and builds the explosive-proof sealed filler in described insulation shell.
Preferably, described cable and described pole top are affixed by soldering.
Preferably, also comprise insulation attaching nut, bottom described pole by described insulation attaching nut and described electric heating wire affixed.
Internal-combustion engine heating equipment provided by the present invention, have additional explosion-proof casing, heat-insulating casing and heating casing, described explosion-proof casing is by described pole and described cable outer wall parcel, described electric heating wire wraps up by described heating casing, and heat-insulating casing top is wrapped up by heat-insulating casing, make cable, pole and electric heating wire are isolated from the outside, therefore in the course of the work, explosion-proof heater plug can't produce spark or electric arc, fundamentally eliminate the appearance of ignition source, this just makes internal-combustion engine can in comparatively dangerous region (containing explosive gas, the fire good such as dust) middle work
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention, simple introduction is done below by the accompanying drawing used required in embodiment, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of internal-combustion engine heating equipment provided by the present invention.
In accompanying drawing, 1 is explosion-proof casing, and 11 is insulation shell, and 12 is explosive-proof sealed filler, and 2 is heat-insulating casing, and 3 is heating casing, and 4 is cable, and 5 is pole, and 6 is electric heating wire, and 7 is insulation attaching nut.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not making under creative work prerequisite, and the every other embodiment obtained, belongs to scope.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1, Fig. 1 is the structural representation of internal-combustion engine heating equipment provided by the present invention.
A kind of internal-combustion engine heating equipment provided by the present invention, comprise the explosion-proof heater plug be arranged in described internal-combustion engine, described explosion-proof heater plug comprise with described explosion-proof heater plug in the affixed cable 4 in pole 5 top, be connected with electric heating wire 6 bottom described pole 5, described pole 5 and described cable 4 outer wall parcel are provided with explosion-proof casing 1, and connection is provided with heat-insulating casing 2 bottom described explosion-proof casing 1, heating casing 3 is provided with in described heat-insulating casing 2, described heating casing 3 is by the affixed parcel of described electric heating wire 6, by extending to outside described heat-insulating casing 2 bottom described heat-insulating casing 2 bottom described heating casing 3.
Internal-combustion engine heating equipment provided by the present invention, have additional explosion-proof casing 1, heat-insulating casing 2 and heating casing 3, described explosion-proof casing 1 is by described pole 5 and described cable 4 outer wall parcel, described electric heating wire 6 wraps up by described heating casing 3, and heat-insulating casing 2 top is wrapped up by heat-insulating casing 2, make cable 4, pole 5 and electric heating wire 6 are isolated from the outside, therefore in the course of the work, explosion-proof heater plug can't produce spark or electric arc, fundamentally eliminate the appearance of ignition source, this just makes internal-combustion engine can in comparatively dangerous region (containing explosive gas, the fire good such as dust) middle work.
In order to optimize above-described embodiment further, described explosion-proof casing 1 comprises insulation shell 11 and builds the explosive-proof sealed filler 12 in described insulation shell 11.Explosive-proof sealed filler 12, for meeting the stuffing box packing of explosion-proof mark, has stronger sealing and explosion-proof performance, improves its Safety performance further.Concrete, explosive-proof sealed filler 12 comprises a lot, and those skilled in the art can be known by consulting related data, can't it be specifically limited this application, only has it to meet explosion-proof effect and sealability.
Further again, described cable 4 is affixed by soldering with described pole 5 top.Soldering be utilize low melting point brazing metal heat fused after, infiltrate and the welding method in gap, added metal part joint, be the affixed mode of one comparatively common in life, and there is good electric conductivity, the electric current passage avoiding cable 4 to pass through.
In the present invention one specific embodiment, also comprise insulation attaching nut 7, affixed with described electric heating wire 6 by described insulation attaching nut 7 bottom described pole 5.Insulation attaching nut 7 can by effective affixed as a whole bottom electric heating wire 6 and pole 5, and again because of being insulating material for nut, therefore can effectively avoid the situation producing spark or electric arc between electric heating wire 6 and pole 5 bottom junctions to occur.
In sum, explosion-proof heater plug provided by the present invention adopts the processing method of the explosive-proof sealed filler 12 of encapsulation, and the overall structure volume of explosion-proof heater plug is reduced greatly, and structure is also comparatively simple, uses also more for convenience.
Using method can with reference to following methods, during use, the screw thread by heat-insulating casing 2 is fixed to heating location needed for internal-combustion engine, electric heating wire 6 is communicated with power supply one end with internal-combustion engine by shell, and cable 4 is communicated with the other end of power supply, and electric heating wire 6 starts energising and heats to internal-combustion engine required air.
Internal-combustion engine heating equipment provided by the present invention, have additional explosion-proof casing 1, heat-insulating casing 2 and heating casing 3, described explosion-proof casing 1 is by described pole 5 and described cable 4 outer wall parcel, described electric heating wire 6 wraps up by described heating casing 3, and heat-insulating casing 2 top is wrapped up by heat-insulating casing 2, make cable 4, pole 5 and electric heating wire 6 are isolated from the outside, therefore in the course of the work, explosion-proof heater plug can't produce spark or electric arc, fundamentally eliminate the appearance of ignition source, this just makes internal-combustion engine can in comparatively dangerous region (containing explosive gas, the fire good such as dust) middle work
Above internal-combustion engine heating equipment provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and mode of execution, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.

Claims (4)

1. an internal-combustion engine heating equipment, it is characterized in that, comprise the explosion-proof heater plug be arranged in described internal-combustion engine, described explosion-proof heater plug comprise with described explosion-proof heater plug in the affixed cable (4) in pole (5) top, described pole (5) bottom is connected with electric heating wire (6), described pole (5) and described cable (4) outer wall parcel are provided with explosion-proof casing (1), and the connection of described explosion-proof casing (1) bottom is provided with heat-insulating casing (2), heating casing (3) is provided with in described heat-insulating casing (2), described heating casing (3) is by described electric heating wire (6) affixed parcel, described heating casing (3) bottom extends to described heat-insulating casing (2) outward by described heat-insulating casing (2) bottom.
2. internal-combustion engine heating equipment as claimed in claim 1, it is characterized in that, described explosion-proof casing (1) comprises insulation shell (11) and builds the explosive-proof sealed filler (12) in described insulation shell (11).
3. internal-combustion engine heating equipment as claimed in claim 2, is characterized in that, described cable (4) is affixed by soldering with described pole (5) top.
4. internal-combustion engine heating equipment as claimed in claim 3, it is characterized in that, also comprise insulation attaching nut (7), described pole (5) bottom is affixed by described insulation attaching nut (7) and described electric heating wire (6).
CN201510848331.5A 2015-11-27 2015-11-27 A kind of internal combustion engine heating device Active CN105298711B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510848331.5A CN105298711B (en) 2015-11-27 2015-11-27 A kind of internal combustion engine heating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510848331.5A CN105298711B (en) 2015-11-27 2015-11-27 A kind of internal combustion engine heating device

Publications (2)

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CN105298711A true CN105298711A (en) 2016-02-03
CN105298711B CN105298711B (en) 2018-12-18

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5493734A (en) * 1978-01-04 1979-07-25 Ngk Spark Plug Co Ltd Heating apparatus for combustion chamber of internal combustion engine
US4252091A (en) * 1978-08-11 1981-02-24 Robert Bosch Gmbh Glow plug construction
CN2309432Y (en) * 1996-10-16 1999-03-03 机械工业部上海内燃机研究所 Ceramic electric heating plug
JP2001280640A (en) * 2000-03-31 2001-10-10 Ngk Spark Plug Co Ltd Glow plug and production method for the same
CN201778941U (en) * 2010-07-21 2011-03-30 宁波兴慈热动电器有限公司 Safe explosion-proof diesel engine electric heating plug
CN205207036U (en) * 2015-11-27 2016-05-04 衡阳合力工业车辆有限公司 Internal -combustion engine heating device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5493734A (en) * 1978-01-04 1979-07-25 Ngk Spark Plug Co Ltd Heating apparatus for combustion chamber of internal combustion engine
US4252091A (en) * 1978-08-11 1981-02-24 Robert Bosch Gmbh Glow plug construction
CN2309432Y (en) * 1996-10-16 1999-03-03 机械工业部上海内燃机研究所 Ceramic electric heating plug
JP2001280640A (en) * 2000-03-31 2001-10-10 Ngk Spark Plug Co Ltd Glow plug and production method for the same
CN201778941U (en) * 2010-07-21 2011-03-30 宁波兴慈热动电器有限公司 Safe explosion-proof diesel engine electric heating plug
CN205207036U (en) * 2015-11-27 2016-05-04 衡阳合力工业车辆有限公司 Internal -combustion engine heating device

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