CN1670360A - Low-temperature starting device for diesel motor - Google Patents
Low-temperature starting device for diesel motor Download PDFInfo
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- CN1670360A CN1670360A CN 200510012428 CN200510012428A CN1670360A CN 1670360 A CN1670360 A CN 1670360A CN 200510012428 CN200510012428 CN 200510012428 CN 200510012428 A CN200510012428 A CN 200510012428A CN 1670360 A CN1670360 A CN 1670360A
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Abstract
This invention provides diesel engine low temperature starting device, it relates to an assistant starting device of engine. Diesel engine is hard to start in low temperature in winter, existing starting equipment is complex in structure, high in cost and the using is not convenient. In this invention, a bronchus (5) is set between air inlet pipe (4) and discharging pipe (3), and a switching valve (6) is set at the part of bronchus connecting to discharging pipe, the switching valve (6) is connected to low temperature induction device fixed on engine through control mechanism. This invention provides simple in structure, low in manufacturing cost, convenient in operation, and it can help diesel engine start quickly in low temperature environment.
Description
Technical field
The present invention relates to the starting aid of motor.
Background technique
Be lower than at temperature under 0 ℃ the environment, the diesel engine starting has just become difficulty, and especially in temperature low winter that reaches the severe cold areas of subzero tens degree, this difficulty is just even more serious.In order to accelerate the speed of diesel engine cold-starting, generally adopt hot water to water engine cylinder-body, with the method for blowtorch or fuel combustion baking engine cylinder-body, not only heat loss is big for it, poor stability, and length consuming time, efficient is very low.For a long time, people have produced the device of various help cold-startings to the research of diesel engine cold-starting problem." device " of prior art is broadly divided into two classes: a class carries out establishing device in the preheating to air inlet with electric heating in suction tude, this class device is because electrical heating power is little and heating limitation very, so undesirable to the bigger machine effect of the very low environment of temperature and air displacement; Another kind of is the external device that the cooling water of engine cylinder-body is carried out preheating, as: notification number is CN2091960U disclosed " an internal-combustion engine advanced ignition device ", it is a kind of heating muff that communicates with the internal combustion engine cylinders water channel, adopt blowtorch to its inner chamber heating, after water in the interlayer sleeve pipe is heated, in interlayer and cylinder body, form convection current, because circulating hot water has been accelerated the intensification of internal combustion engine cylinders, therefore, it can make internal-combustion engine start under low temperature environment in the short period of time.But, the external device of this internal-combustion engine preheating, complex structure, the cost height uses trouble, inconvenience.
Summary of the invention:
The objective of the invention is to overcome the shortcoming of prior art, a kind of low-temperature starting device for diesel motor is provided, it has simple in structure, low cost of manufacture, advantage such as easy to operate, can nation help diesel engine starting rapidly under the very low environment of temperature.
The objective of the invention is to realize by following measure:, a kind of low-temperature starting device for diesel motor, be between the suction tude of motor and outlet pipe, to be communicated with a bronchus, and a kind of open and close type valve is set at the position that bronchus is communicated with outlet pipe, the open and close type valve is connected with low temperature induction pieces on being arranged on motor by control mechanism again.
Described open and close type valve has two one to open a circular valve block that closes, when last valve block is opened bronchus, and lower valve sealing outlet pipe.
Described low temperature induction pieces is a kind of low temperature induction plug.Described low temperature induction pieces also can be a kind of low-temperature sensor.
Described control mechanism is the magnetic switch that is connected with the open and close type valve by control arm, and magnetic switch is connected with the low temperature induction plug by the starting power supply.Described control mechanism also can be the hydraulic parts that is connected with the open and close type valve by control arm, and hydraulic parts joins by hydraulic system and a kind of low-temperature sensor.Described control mechanism can also be pneumatic that is connected with the open and close type valve by control arm, and pneumatic joins by pneumatic system and a kind of low-temperature sensor.
Technological scheme of the present invention compared with prior art, owing to be air inlet and the outlet pipe that utilizes existing diesel engine, only between them, be communicated with a bronchus, and be provided with a kind of open and close type valve at the position that bronchus is communicated with outlet pipe, the open and close type valve is connected by simple control arm and general magnetic switch (or hydraulic parts, pneumatic), on engine cylinder-body, be provided with simultaneously a kind of low temperature induction plug (or low-temperature sensor) of routine, therefore, simple in structure, the low cost of manufacture of the present invention.(or hydraulic parts, pneumatic) and low temperature induction plug (or low-temperature sensor) and starting circuit because magnetic switch (or hydraulic system, pneumatic system) are joined, when temperature reaches setting value, as long as connect starting power supply (or hydraulic system, pneumatic system), low temperature induction plug (or low-temperature sensor) will the conducting magnetic switch (or hydraulic system, pneumatic system) controls the open and close type valve, thereby can reach the purpose of quick starting, therefore, the present invention's operation is very easy.
Description of drawings
Fig. 1 is structural representation of the present invention (user mode);
Structural representation when Fig. 2 is a non-working condition of the present invention.
Below in conjunction with accompanying drawing, further the present invention is elaborated by embodiment.
Specific embodiments
As shown in Figure 1, a kind of low-temperature starting device for diesel motor, be between the suction tude 4 of motor and outlet pipe 3, to be communicated with a bronchus 5, and a kind of open and close type valve 6 is set at the position that bronchus is communicated with outlet pipe, this open and close type valve has two circular valve blocks, a valve block is often opened, and a valve block is normally closed.During use, rotary middle spindle can make valve block 7 open bronchus 5, and lower valve 8 makes outlet pipe 3 sealings, otherwise (non-working condition) can make valve block 7 sealing bronchuses 5, and lower valve 8 opened outlet pipe 3 (referring to Fig. 2).The open and close type valve is to be connected with magnetic switch 10 by control arm 9, and magnetic switch is fixed on the frame and with the starting circuit of motor joins.Simultaneously, low temperature induction plug 11 is set on engine cylinder-body 1, it is a kind of routine, the induction pieces of setting certain influence value, and the starting circuit of it and motor is joined.Like this, when temperature reaches low temperature setting value (as zero degree), as long as connect starting power supply 12, low temperature induction plug 11 will open and close 10 by the conducting electromagnetism, the spring 13 of magnetic switch promotes control arm 9, the central shaft of open and close type valve is rotated, open and close type valve 6 is in lower valve 8 sealing outlet pipes 3, and goes up the state that valve block 7 is opened bronchus 5.At this moment, engine revolution, piston 2 sucks cool air and compression in cylinder, though pressurized gas fails to make diesel oil to light, but the cool air of suction is heated up rapidly, and form mixed gas with unburned diesel oil, this mixed gas of high-temperature that has is just from bronchus 5 return engines, do work once more, thereby impel diesel engine to start rapidly.Behind diesel engine starting, under the situation that starting power supply 12 is not in time closed, greater than the setting value of spring 12, air-flow can promote lower valve 8 and open outlet pipe 3 pressure of combustion gas immediately, goes up valve block 7 simultaneously and has sealed bronchus 5, and is safe and reliable.
As shown in Figure 2, low-temperature starting device for diesel motor is under non-working condition, and magnetic switch 10 is in off position, and at this moment, the open and close type valve is in valve block 7 sealing bronchuses 5, and lower valve 8 is opened the state of outlet pipe 3.When the proper functioning, do not have gas leakage in the bronchus 5 in order to ensure motor, can in bronchus 5, set up a manually-operated gate 14.
For the ease of the open and close type valve being set and the needs of magnetic switch being installed, the angle between bronchus 5 and the outlet pipe 3 can be less than 90 degree.
Any variation of control mechanism and low temperature induction pieces; all within protection scope of the present invention; that is: connected component tracheae between original diesel engine intake, outlet pipe; a kind of open and close type valve is set at the position that bronchus is communicated with outlet pipe; a kind of engine piston self that utilizes by a kind of low temperature induction pieces (low temperature induction plug or sensor) feedback temperature value does work; pressurized air is heated up rapidly; and and atomized diesel fuel form mixed gas, impel the technological scheme that diesel engine can quick starting under the extremely low environment of temperature.
Claims (6)
1, a kind of low-temperature starting device for diesel motor, it is characterized in that: be to be communicated with a bronchus (5) between suction tude (4) at motor and the outlet pipe (3), and a kind of open and close type valve (6) is set at the position that bronchus is communicated with outlet pipe, the open and close type valve is connected with low temperature induction pieces on being arranged on motor by control mechanism again.
2, according to the described low-temperature starting device for diesel motor of claim 1, it is characterized in that: described open and close type valve (6) has two one to open a circular valve block that closes, when last valve block (7) is opened bronchus (5), and lower valve (8) sealing outlet pipe (3).
3, according to the described low-temperature starting device for diesel motor of claim 1, it is characterized in that: described low temperature induction pieces is a kind of low temperature induction plug (11).
4, according to the described low-temperature starting device for diesel motor of claim 1, it is characterized in that: described control mechanism is the magnetic switch (10) that is connected with open and close type valve (6) by control arm (9), and magnetic switch (10) is connected with low temperature induction plug (11) by starting power supply (12).
5, according to the described low-temperature starting device for diesel motor of claim 1, it is characterized in that: the angle between described bronchus (5) and the outlet pipe (3) can be less than 90 degree.
6, according to the described low-temperature starting device for diesel motor of claim 1, it is characterized in that: can set up a manually-operated gate (14) on the described bronchus (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510012428 CN1670360A (en) | 2005-03-28 | 2005-03-28 | Low-temperature starting device for diesel motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510012428 CN1670360A (en) | 2005-03-28 | 2005-03-28 | Low-temperature starting device for diesel motor |
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| Publication Number | Publication Date |
|---|---|
| CN1670360A true CN1670360A (en) | 2005-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510012428 Pending CN1670360A (en) | 2005-03-28 | 2005-03-28 | Low-temperature starting device for diesel motor |
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| CN (1) | CN1670360A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564478A (en) * | 2014-12-25 | 2015-04-29 | 潍柴动力股份有限公司 | Engine and cold starting system and cold starting method thereof |
| CN108005829A (en) * | 2017-11-24 | 2018-05-08 | 天津大学 | The running gear and control method of a kind of diesel engine frigid plateau region cold start |
-
2005
- 2005-03-28 CN CN 200510012428 patent/CN1670360A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564478A (en) * | 2014-12-25 | 2015-04-29 | 潍柴动力股份有限公司 | Engine and cold starting system and cold starting method thereof |
| CN108005829A (en) * | 2017-11-24 | 2018-05-08 | 天津大学 | The running gear and control method of a kind of diesel engine frigid plateau region cold start |
| CN108005829B (en) * | 2017-11-24 | 2019-05-17 | 天津大学 | The running gear and control method of a kind of diesel engine frigid plateau region cold start |
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