CN203978654U - A kind of engine preheater of new structure - Google Patents
A kind of engine preheater of new structure Download PDFInfo
- Publication number
- CN203978654U CN203978654U CN201420460925.XU CN201420460925U CN203978654U CN 203978654 U CN203978654 U CN 203978654U CN 201420460925 U CN201420460925 U CN 201420460925U CN 203978654 U CN203978654 U CN 203978654U
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- China
- Prior art keywords
- shell
- tenminal block
- heater band
- nut
- engine
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of engine preheater of new structure, comprise shell, heater band and tenminal block; Shell is provided with air channel, and edge, shell air channel is provided with outstanding block, and heater band is arranged in air channel; Heater band is continuously parallel folding wave structure, is provided with interface at two ends, and tenminal block is divided into positive tenminal block, negative tenminal block and is connected tenminal block.Engine preheater spatial requirement of the present utility model is little, easy installation and removal, safety and reliability are stronger, be installed in the suction tude of diesel engine etc., the heat that utilizes heater band energising to produce in the time of engine start, the air temperature entering in engine cylinder-body by heater band is raise, the combustion condition in the cylinder such as cold starting performance and Optimization of Diesel Engine of raising diesel engine etc.
Description
Technical field
The utility model relates to engine low temperature preheating technology field, be particularly related to and meeting under little, the limited installing space condition of low-powered engine volume, the preheater product that a kind of installing space is little, be easy to the low and engine charge heating that can auxiliary engine uses under cold low temperature environment of dismounting, energy consumption is provided.
Background technique
The engine technology industry development of China is rapid at present, but but there is very large technology distance compared with the engine technology of developed countries, the startability improving under fuel engine cryogenic conditions is crucial technical field of motor, the utility model is for solving the low-temperature prewarming startability of mini engine, provide a kind of special structure to solve and be arranged in the gas-entered passageway of motor on limited small space, and can well ensure the charge heating product of the work that pre-heating system can be safe and reliable.
Model utility content
The purpose of this utility model is the engine preheater product that a kind of novel special construction is provided for mini engine cold-starting.
To achieve these goals, this use is by the following technical solutions novel: a kind of engine preheater of new structure, comprising: shell, heater band and tenminal block;
Wherein said shell is provided with air channel, and edge, shell air channel is provided with outstanding block, and heater band is arranged in air channel;
Described heater band is continuously parallel folding wave structure, is provided with interface at two ends, between the crest of described heater band and shell, is provided with isolation layer; Described isolation layer comprises base, shell fragment and insulator, base and housing contacts, and insulator contacts with heater band, and shell fragment is located between base and insulator;
Described tenminal block is divided into positive tenminal block, negative tenminal block and is connected tenminal block, all comprises connecting bolt and nut through shell; Described positive tenminal block and negative tenminal block are positioned at the same side of shell, are all provided with locking nut in nut outside, and between nut and locking nut, positive pole and the negative pole of difference fixing cord turn-on power, connect tenminal block and be positioned at relative shell opposite side;
Described positive tenminal block and two end interfaces that are connected tenminal block and fix respectively heater band;
Connecting bolt, nut and the shell of described positive tenminal block insulate, and described negative tenminal block is circuit turn-on with the connecting bolt, nut and the shell that are connected tenminal block.
The double-screw bolt surface cover of described positive tenminal block bolt has super heated rubber insulation tube, between connecting bolt and shell and between nut and shell, is provided with mica spacer;
Described insulator inner side is provided with arc groove, and the crest location of heater band is located in arc groove.
The material of described base is stainless steel material.
The material of described insulator is stupalith more than 95 porcelain, and the material of shell fragment is spring stainless steel material.
Described heater band material is ferrum-chromium-aluminum series or nichrome series, and the thickness of heater band is at 0.5～1.2mm.
This uses that novel engine preheater spatial requirement is little, easy installation and removal, safety and reliability are stronger, be installed in the suction tude of diesel engine etc., the heat that utilizes heater band energising to produce in the time of engine start, the air temperature entering in engine cylinder-body by heater band is raise, the combustion condition in the cylinder such as cold starting performance and Optimization of Diesel Engine of raising diesel engine etc.
Brief description of the drawings
Fig. 1: preheater exploded view.
Fig. 2: preheater structural representation.
Fig. 3: preheater shell schematic diagram.
Reference character: 1-heater band; 2-shell; 3-insulator; 4-mica spacer; 5-shell fragment; 6-ceramic plate base; 7-connecting bolt; 8-super heated rubber insulation tube; 9-nut; 10-link stopper; 11-arc groove; 12-heater band interface; The positive tenminal block of 13-; 14-bears tenminal block; 15-connects tenminal block; 16-locking nut.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.
Engine preheater, comprises heater band 1, shell 2 and tenminal block, as shown in Figure 1.Shell 2 is provided with air channel, and Fig. 3 shell inner cavity is air channel, and heater band, in air channel, produces heat and can heat by the air in air channel during by electric current.Shell 2 is provided with link stopper 10, link stopper 10 can prevent that preheater is after long-time use, electrical working time inner shrapnel follow the string or abnormal factors situation under, the part of preheater is scattered, link stopper 10 is located at the both sides inner side surface that shell inner cavity is relative, be provided with two groups, the thick 2-3mm left and right of link stopper 10, width is outstanding housing 2-5mm.
Shell 2 is materials of die casting aluminium or extruded aluminium, between heater band 1 and shell 2, be provided with isolation layer, isolation layer comprises 3 three layers of base 6, shell fragment 5 and insulators, and base 6 contacts with shell 2, insulator 3 contacts with heater band, and shell fragment is located between base and ceramics insulator.The material of base is high temperature resistant stainless steel material, and for ensureing intensity and the durability of ceramic plate, the material of insulator 3 is stupaliths more than 95 porcelain, and the material of shell fragment 5 is spring stainless steel materials.
Heater band 1 is continuously parallel folding wave structure, the heat generating material that heater band 1 material is high resistivity, and the material of Chinese market is ferrum-chromium-aluminum series and nichrome series substantially; Ceramics insulator 3 is provided with the arc groove corresponding with the crest shape of heater band 1 11, and the crest location of heater band 1 is located in arc groove 11.Heater band 1 two ends are provided with the heater band interface 12 corresponding with tenminal block.
Tenminal block is divided into positive tenminal block, negative tenminal block and is connected tenminal block, and the top part that is positioned at the left-hand component of the shell 2 of diagram 1 is positive tenminal block 13, and bottom part is negative tenminal block 14, and limit, the right part of shell 2 is for connecting tenminal block 15.
Positive tenminal block comprises supporting connecting bolt 7 and nut 9; Connecting bolt 7, nut 9 insulate with shell 2.On the double-screw bolt of connecting bolt, cover has super heated rubber insulation tube 8, is all provided with mica spacer 4 between connecting bolt and shell and between nut and shell, and connecting bolt, nut and the shell of positive tenminal block insulate.Connecting bolt connects heater band 1 by heater band 1 one end interfaces 12, then tightens locked by shell and nut 9.Between connecting bolt, nut and heater band, it is circuit turn-on.Also be provided with locking nut 16, the positive pole of fixing cord turn-on power between nut and locking nut in nut outside.
The negative tenminal block 14 that is positioned at the bottom part of the left-hand component of Fig. 1 shell 2 comprises connecting bolt 7 and nut 9; Connecting bolt 7, nut 9 are circuit turn-ons with shell 2, there is no the insulating part such as mica spacer or super heated rubber insulation tube.Be provided with equally locking nut, the negative pole of fixing cord turn-on power between nut and locking nut in nut outside.
The connection tenminal block 15 that is positioned at limit, the right part of the shell 2 of Fig. 1 comprises connecting bolt 7 and nut 9; Connecting bolt 7, nut 9 are circuit turn-ons with shell 2.Connecting bolt connects heater band 1 by heater band 1 the other end interface, then tightens locked by shell and nut 9.There is no the insulating part such as mica spacer or super heated rubber insulation tube.
Fig. 2 heater schematic appearance, positive tenminal block 13 connects positive source; Negative tenminal block 14 connects power cathode, and electric current is by heater band and shell 2 complete current loops.
The engine preheater of this specified structure is to aim at low-powered engine design, because volume is little, easy to loading and unloading, can meet little space demand, can reach again the object of engine low temperature preheating.Power is generally at 1.0Kw～1.8Kw, will be according to the thermal capacity of the power appropriate design product of grid preheater in the time of design heater band shape, make the thickness of heater band at 0.5～1.2mm, preferably 0.6～1.0mm, by regulating the total volume of heater band, and making grid preheater be no more than 1300 DEG C and make heater band destroyed in the normal temperature that uses under voltage, minimum temperature is not less than 800 DEG C and ensure the inlet air heating effect of grid preheater simultaneously.
When use, this kind of grid preheater is by ECU(Engine Control Unit, control unit of engine) directly control or control and all can by the independent controller of ECU, between grid preheater and ECU or independent controller, conventionally to be connected the control relay of a large current work of Small current control, output signal control relay adhesive or disconnection when ECU requires heater carry out preheating or disconnect, thus reach the function of automatic control.
Although the utility model with preferred embodiment openly as above; but embodiment and accompanying drawing are not for limiting the utility model; anyly be familiar with this skill person; not departing from the spirit and scope of the utility model; can make various changes or retouch from working as, but equally within protection domain of the present utility model.What therefore protection domain of the present utility model should be defined with the application's claim protection domain is as the criterion.
Claims (6)
1. an engine preheater for new structure, is characterized in that comprising: shell, heater band and tenminal block;
Wherein said shell is provided with air channel, and edge, shell air channel is provided with outstanding block, and heater band is arranged in air channel;
Described heater band is continuously parallel folding wave structure, is provided with interface at two ends, between the crest of described heater band and shell, is provided with isolation layer; Described isolation layer comprises base, shell fragment and insulator, base and housing contacts, and insulator contacts with heater band, and shell fragment is located between base and insulator;
Described tenminal block is divided into positive tenminal block, negative tenminal block and is connected tenminal block, all comprises connecting bolt and nut through shell; Described positive tenminal block and negative tenminal block are positioned at the same side of shell, are all provided with locking nut in nut outside, and between nut and locking nut, positive pole and the negative pole of difference fixing cord turn-on power, connect tenminal block and be positioned at relative shell opposite side;
Described positive tenminal block and two end interfaces that are connected tenminal block and fix respectively heater band;
Connecting bolt, nut and the shell of described positive tenminal block insulate, and described negative tenminal block is circuit turn-on with the connecting bolt, nut and the shell that are connected tenminal block.
2. the engine preheater of new structure according to claim 1, is characterized in that: the double-screw bolt surface cover of described positive tenminal block connecting bolt has super heated rubber insulation tube, between connecting bolt and shell and between nut and shell, is provided with mica spacer.
3. the engine preheater of new structure according to claim 1, is characterized in that: described insulator inner side is provided with arc groove, and the crest location of heater band is located in arc groove.
4. the engine preheater of new structure according to claim 1, is characterized in that: the material of described base is stainless steel material.
5. the engine preheater of new structure according to claim 1, is characterized in that: the material of described insulator is stupalith more than 95 porcelain, and the material of shell fragment is spring stainless steel material.
6. the engine preheater of new structure according to claim 1, is characterized in that: described heater band material is ferrum-chromium-aluminum series or nichrome series, and the thickness of heater band is at 0.5～1.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420460925.XU CN203978654U (en) | 2014-08-14 | 2014-08-14 | A kind of engine preheater of new structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420460925.XU CN203978654U (en) | 2014-08-14 | 2014-08-14 | A kind of engine preheater of new structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203978654U true CN203978654U (en) | 2014-12-03 |
Family
ID=51976109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420460925.XU Withdrawn - After Issue CN203978654U (en) | 2014-08-14 | 2014-08-14 | A kind of engine preheater of new structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203978654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131921A (en) * | 2014-08-14 | 2014-11-05 | 南京朗劲风能设备制造有限公司 | Engine preheater of novel structure |
-
2014
- 2014-08-14 CN CN201420460925.XU patent/CN203978654U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104131921A (en) * | 2014-08-14 | 2014-11-05 | 南京朗劲风能设备制造有限公司 | Engine preheater of novel structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141203 Effective date of abandoning: 20160601 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |