CN107476921A - A kind of duct type preheating device and control method - Google Patents
A kind of duct type preheating device and control method Download PDFInfo
- Publication number
- CN107476921A CN107476921A CN201710778651.7A CN201710778651A CN107476921A CN 107476921 A CN107476921 A CN 107476921A CN 201710778651 A CN201710778651 A CN 201710778651A CN 107476921 A CN107476921 A CN 107476921A
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- China
- Prior art keywords
- cylinder
- heating
- controller
- duct type
- heater
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 239000002826 coolant Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000008676 import Effects 0.000 claims 1
- 210000003296 saliva Anatomy 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
- F02N19/10—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines by heating of engine coolants
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention belongs to technical field of engines, is related to a kind of duct type preheating device and control method.A kind of duct type preheating device proposed has cylinder；The upper surface of cylinder is provided with flange；Top cover is provided with above cylinder；Top cover is connected with flange bolt；There is the screwed hole being connected with cylinder on top cover；Screwed hole be uniformly distributed along the circumference it is multiple；Heater is installed in screwed hole；The top in cylinder body outer wall face is provided with inlet tube, outlet；Inlet tube, outlet are symmetrical arranged, and the intracavity inter-connection with cylinder respectively；The bottom of the cylinder is provided with manual ball valve；Temperature sensor, thermometer are installed in inlet tube；Temperature sensor is electrically connected with the controller；Heater is electrically connected with the controller.The present invention realizes automatic heating, simple in construction, easy to operate, be easy to repair, the duct type that is particularly suitable for use in installation.
Description
Technology leads city
The invention belongs to technical field of engines, is related to a kind of duct type preheating device and control method.
Background technology
Coolant temperature is too low, and the thermal expansion of each part of engine is not up to consistent, at this moment between each part of engine
Gap does not reach optimum state, now easily causes to wear, or even scuffing of cylinder bore.Moreover, engine internal combustion oil firing under low temperature
It is insufficient, the pollution of fuel consumption and exhaust emissions to environment is significantly increased.Engine, in particular for colliery, garbage loading embeading
The engine on the ground such as field is placed in open air more, and the northern area of China winter temperature is relatively low, in ground temperatures such as northeast, the Inner Mongol, Xinjiang
It is low to reach less than -20 DEG C, have a strong impact on the starting performance of engine.Therefore, in order to ensure that engine at low ambient temperatures can be just
Often, efficiently start, and reach energy-conservation purpose, engine needs to preheat coolant before starting.
In existing patent,《A kind of engine preheating system based on phase-transition heat-storage》（Application number
201510939095.8）、《Engine preheating system》（Application number 201410567844.4）With《A kind of engine preheating system》
（Application number 201410640674.2）The preheating device being related to is manual control, and automaticity is low；And the present invention is based on water
Temperature carries out intelligent heating, had not only met the heating requirements of engine but also had improved automaticity, in addition, the present invention also has hand
Dynamic model formula, using flexible.
Patent《A kind of engine preheating system based on phase-transition heat-storage》（Application number 201510939095.8）Heat-storing material
It is filled in casing, heat exchange copper tube is through between heat-storing material；Patent《Engine preheating system》（Application number
201410567844.4）Preheater is arranged in cooling water pipe；Patent《A kind of engine preheating system》（Application number
201410640674.2）Heater heating wire is entangled on water pipe, and outer mask having heaters cover.Above-mentioned three kinds of preheating device structures
It is unfavorable for safeguarding, overhauls.And heating rod of the present invention is installed in top cover, dismounting, maintenance are convenient.Top cover is connected with staving flange,
Easy access, cleaning.
The content of the invention
In order to solve the above problems, the present invention proposes a kind of duct type preheating device and control method, and the preheating device can
Realize automatic heating, it is simple in construction, easy to operate, be easy to repair, the duct type that is particularly suitable for use in installation.
The present invention completes its invention task by the following technical programs：
A kind of duct type preheating device, described duct type preheating device have cylinder；The upper surface of the cylinder is provided with method
It is blue；The top cover for being provided with to be closed above the cylinder；Described top cover is connected with described flange bolt；It is described
Top cover on there is the screwed hole that is connected with cylinder；Described screwed hole be uniformly distributed along the circumference it is multiple；In described screw thread
Heater is installed in hole；The top in the cylinder body outer wall face is provided with inlet tube, outlet；Described inlet tube, outlet pair
Claim to set, and the intracavity inter-connection with cylinder respectively；The bottom of the cylinder is provided with manual ball valve, for discharging coolant；
Temperature sensor, thermometer are installed in described inlet tube；Described temperature sensor is electrically connected with the controller, described temperature
Sensor is spent to detect coolant temperature, to controller output signal；Described heater electrically connects with described controller,
Its working condition is controlled by controller;The controller with automatically and manually both of which, can manual start and stop heater, and
With preheating state-indicating function.
A kind of control method of duct type preheating device, under automatic mode：When inlet water temperature is less than lower limit, controller
The output signal of collecting temperature sensor, connects heater circuit, and coolant is heated, and preheating status display is heating；When
When inlet water temperature reaches higher limit, controller control heater circuit is disconnected, and heating stops, and preheating status display is stopped for heating
Only；
Under manual mode：Starting switch is closed, heating starts, and preheating status display is heating, and it is automatic to reach design temperature heating
Stop, preheating status display stops for heating；Also can manual closing shutdown switch, stop heating.
A kind of duct type preheating device proposed by the present invention and control method, the preheating device can realize automatic heating, knot
Structure is simple and convenient to operate, is easy to repair, the duct type that is particularly suitable for use in installation.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the scheme of installation of the present invention.
In figure：1st, heater；2nd, top cover；3rd, fastener；4th, flange；5th, manual ball valve；6th, cylinder；7th, controller；8th, it is warm
Spend sensor；9th, thermometer, 10, inlet tube, 11, outlet.
Embodiment
The present invention is illustrated with reference to accompanying drawing and specific implementation case：
As shown in figure 1, a kind of duct type preheating device, described duct type preheating device has cylinder 6；The upper end of the cylinder
Face is provided with flange；The top cover 2 that the top of the cylinder 6 is provided with to be closed；Described top cover 2 and described flange
Bolt connection；There is the screwed hole being connected with cylinder on described top cover 2；Described screwed hole be uniformly distributed along the circumference it is more
It is individual；Heater 1 is installed in described screwed hole；The top of the outside wall surface of cylinder 6 is provided with inlet tube 10, outlet 11；
Described inlet tube 10, outlet 11 are symmetrical arranged, and the intracavity inter-connection with cylinder 6 respectively；The bottom installation of the cylinder 6
There is manual ball valve 5, for discharging coolant；Temperature sensor 8, thermometer 9 are installed in described inlet tube 10；Described temperature
Degree sensor 8 is electrically connected with controller 7, and described temperature sensor 8 is exported to controller 7 and believed to detect coolant temperature
Number；Described heater 1 is electrically connected with described controller 7, and its working condition is controlled by controller;The controller carries certainly
Dynamic and manual both of which, can manual start and stop heater, and with preheating state-indicating function.
In use, control model is selected according to applying working condition.Under automatic mode：When inlet water temperature is less than lower limit, control
The output signal of the collecting temperature sensor 8 of device 7 processed, the circuit of heater 1 is connected, coolant is heated, pre- thermal light is red
Color；When inlet water temperature reaches higher limit, controller 7 controls the circuit of heater 1 to disconnect, and heating stops, and pre- thermal light is Huang
Color.When temperature upper lower limit value need to adjust, it is adjusted using controller 7.Under manual mode：Close starting switch, heating
Start, pre- thermal light is red, reaches design temperature（Design temperature is adjustable）Heating is automatically stopped, and pre- thermal light is Huang
Color.Also can manual closing shutdown switch, stop heating.
When overhauling, safeguarding preheating device：Heater 1 is removed from top cover 2 and carries out maintenance replacing；Top cover 2 is removed, is opened
Coolant in the tapping equipment of manual ball valve 5, is cleaned to device, is safeguarded.
Claims (2)
- A kind of 1. duct type preheating device, it is characterised in that：Described duct type preheating device has cylinder；The cylinder it is upper End face is provided with flange；The top cover for being provided with to be closed above the cylinder；Described top cover and described flange Bolt connection；There is the screwed hole being connected with cylinder on described top cover；Described screwed hole be uniformly distributed along the circumference it is multiple； Heater is installed in described screwed hole；The top in the cylinder body outer wall face is provided with inlet tube, outlet；Described import Pipe, outlet are symmetrical arranged, and the intracavity inter-connection with cylinder respectively；The bottom of the cylinder is provided with manual ball valve, is used for Discharge coolant；Temperature sensor, thermometer are installed in described inlet tube；Described temperature sensor is electrically connected with controller Connect, described temperature sensor is to detect coolant temperature, to controller output signal；Described heater and described control Device electrical connection processed, its working condition is controlled by controller;The controller can open manually with automatically and manually both of which Stop heater, and with preheating state-indicating function.
- 2. a kind of control method of duct type preheating device, under automatic mode：When inlet water temperature is less than lower limit, controller is adopted Collect the output signal of temperature sensor, connect heater circuit, coolant is heated, preheating status display is heating；When entering When saliva temperature reaches higher limit, controller control heater circuit disconnects, and heating stops, and preheating status display stops for heating；Under manual mode：Starting switch is closed, heating starts, and preheating status display is heating, and it is automatic to reach design temperature heating Stop, preheating status display stops for heating；Also can manual closing shutdown switch, stop heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710778651.7A CN107476921A (en) | 2017-09-01 | 2017-09-01 | A kind of duct type preheating device and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710778651.7A CN107476921A (en) | 2017-09-01 | 2017-09-01 | A kind of duct type preheating device and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107476921A true CN107476921A (en) | 2017-12-15 |
Family
ID=60604308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710778651.7A Pending CN107476921A (en) | 2017-09-01 | 2017-09-01 | A kind of duct type preheating device and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107476921A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202946291U (en) * | 2012-11-21 | 2013-05-22 | 南京东南船舶设备有限公司 | Cylinder sleeve water preheating device |
| CN203570491U (en) * | 2013-11-12 | 2014-04-30 | 杨柳青 | Vehicle engine preheating device |
| CN104061103A (en) * | 2014-06-30 | 2014-09-24 | 张丽丽 | Electric heating cylinder sleeve water preheater |
| CN104314727A (en) * | 2014-10-23 | 2015-01-28 | 魏建元 | Engine preheating device |
| CN104454286A (en) * | 2014-11-20 | 2015-03-25 | 国家电网公司 | Engine preheating device |
| CN105134444A (en) * | 2015-09-01 | 2015-12-09 | 东风朝阳朝柴动力有限公司 | Diesel engine automatic preheating device |
| CN105402071A (en) * | 2015-12-15 | 2016-03-16 | 上海交通大学 | Engine preheating device based on phase change heat storage |
-
2017
- 2017-09-01 CN CN201710778651.7A patent/CN107476921A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202946291U (en) * | 2012-11-21 | 2013-05-22 | 南京东南船舶设备有限公司 | Cylinder sleeve water preheating device |
| CN203570491U (en) * | 2013-11-12 | 2014-04-30 | 杨柳青 | Vehicle engine preheating device |
| CN104061103A (en) * | 2014-06-30 | 2014-09-24 | 张丽丽 | Electric heating cylinder sleeve water preheater |
| CN104314727A (en) * | 2014-10-23 | 2015-01-28 | 魏建元 | Engine preheating device |
| CN104454286A (en) * | 2014-11-20 | 2015-03-25 | 国家电网公司 | Engine preheating device |
| CN105134444A (en) * | 2015-09-01 | 2015-12-09 | 东风朝阳朝柴动力有限公司 | Diesel engine automatic preheating device |
| CN105402071A (en) * | 2015-12-15 | 2016-03-16 | 上海交通大学 | Engine preheating device based on phase change heat storage |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171215 |
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| RJ01 | Rejection of invention patent application after publication |