CN205172791U - Engine low temperature preheat with warm braw integrated system - Google Patents
Engine low temperature preheat with warm braw integrated system Download PDFInfo
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- CN205172791U CN205172791U CN201520872177.0U CN201520872177U CN205172791U CN 205172791 U CN205172791 U CN 205172791U CN 201520872177 U CN201520872177 U CN 201520872177U CN 205172791 U CN205172791 U CN 205172791U
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Abstract
The utility model discloses an engine low temperature preheat with warm braw integrated system, be connected with the liquid heater inlet tube between the water jacket top of engine cylinder lid and the water inlet of liquid heater, the liquid heater outlet pipe is connected to the delivery port of liquid heater, warm braw radiator inlet tube is connected to the water inlet of warm braw radiator, warm braw radiator inlet tube and liquid heater outlet pipe intercommunication, the warm braw radiator outlet pipe is connected to warm braw radiator delivery port, the engine inlet tube is connected to engine cylinder lid water jacket bottom, engine inlet tube and warm braw radiator outlet pipe intercommunication, be connected with the low temperature economizer bank between liquid heater outlet pipe and the engine inlet tube, be equipped with the valve on the low temperature economizer bank, also be equipped with the valve on the warm braw radiator inlet tube. Through tee bend and automatically controlled check valve, preheat engine cylinder block and thruster operation temperature when realizing the cold -starting fast when on the low side, for hot -air blower supplementary heating's function. Even the engine is out of work, also can directly heat to hot -air blower.
Description
Technical field
The utility model relates to automobile, engineering machinery warm braw integrated system, refers to a kind of engine low temperature preheating and warm braw integrated system particularly.
Background technique
Liquid heater is commonly called as " boiler ", generally be applied in the aspects such as the cold-starting of the engine device such as automobile, engineering machinery, pre-heating temperature elevation and compartment heating, glass defrosting, with the hot water of the mode heated engine cooling liquid of non-combusted fuels and compartment heater, reach preheating water cold engine and to the object of compartment heating.
Camion demand fulfillment is in Han Qu less than-40 DEG C normally work.Under-40 DEG C of low temperature environments, need during engine start to adopt the water of liquid heater to engine cylinder-body to heat, ensure that motor easily starts.When automobile runs at Han Qu, engine water temperature is still on the low side, needs to adopt liquid heater to be warm braw supplementary heating, improves warm braw performance.If liquid heater is connected with warm air system, when heater and motor distant time, the resistance of pipeline is comparatively large, and the thermal loss of water after long-distance sand transport of heating is very large, also undesirable to the heating effect of engine cylinder-body, motor is difficult to start in scheduled time; If liquid heater is in parallel with warm air system, when engine water temperature is on the low side need liquid heater to be warm braw supplementary heating time, what first liquid heater heated is engine cylinder-body, and also can reduce the water flow of warm air system because of the work of liquid heater water pump, affect the effect of forced-air heating.If liquid heater and warm air system Parallel Design, liquid heater during motor unstart, just can not be utilized to heat heater.
Summary of the invention
The purpose of this utility model is exactly the deficiency that will solve above-mentioned background technology, a kind of engine low temperature preheating and warm braw integrated system are provided, this system is by the control of electric control one-way valve and rational circuit design, liquid heater is connected with engine assembly with warm air radiator, realizes rapidly pre-warming engine cylinder-body before cold-starting; When engine operation water temperature is on the low side, it is heater supplementary heating; Even if motor does not work, heated to heater by electric control one-way valve also controllable liquid heater.
For realizing this object, engine low temperature preheating designed by the utility model and warm braw integrated system, comprise motor, liquid heater and warm air radiator, it is characterized in that: between the water jacket top of described engine cylinder cover and the water intake of liquid heater, be connected with liquid heater intake pipe, the water outlet of described liquid heater is connected with liquid heater outlet pipe, the water intake of described warm air radiator is connected with warm air radiator intake pipe, described warm air radiator intake pipe is communicated with liquid heater outlet pipe, the water outlet of described warm air radiator is connected with warm air radiator outlet pipe, water inflow of the engine pipe is connected with bottom the water jacket of described engine cylinder cover, described water inflow of the engine pipe is communicated with warm air radiator outlet pipe, low-temperature prewarming pipe is connected with between described liquid heater outlet pipe and water inflow of the engine pipe, described low-temperature prewarming pipe is provided with valve, described warm air radiator intake pipe is also provided with valve.
Further, the water outlet of described liquid heater outlet pipe is connected with threeway, and two other interface of described threeway connects the water intake of warm air radiator intake pipe and the water intake of low-temperature prewarming pipe respectively.
Further, the water outlet of described low-temperature prewarming pipe is connected with threeway, and two other interface of described threeway connects the water outlet of warm air radiator outlet pipe and the water intake of water inflow of the engine pipe respectively.
Further, described low-temperature prewarming pipe is provided with the first electric control one-way valve, and described warm air radiator intake pipe is provided with the second electric control one-way valve.
The beneficial effects of the utility model are: by increasing the design of tee union and the control of electric control one-way valve, and rapidly pre-warming engine cylinder-body when can be implemented in cold-starting, also can realize when engine operation water temperature is on the low side, be heater supplementary heating.Even if motor does not work, also can heat directly to heater, structure is simple, working stability.
Accompanying drawing explanation
The pipeline connection diagram of Fig. 1 designed by the utility model;
Wherein, 1-motor, 2-liquid heater, 3-warm air radiator, 4-liquid heater intake pipe, 5-liquid heater outlet pipe, 6-warm air radiator intake pipe, 7-warm air radiator outlet pipe, 8-water inflow of the engine pipe, 9-threeway, the 10-the first electric control one-way valve, 11-the second electric control one-way valve, 12-low-temperature prewarming pipe.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Engine low temperature preheating as shown in Figure 1 and warm braw integrated system, comprise motor 1, liquid heater 2 and warm air radiator 3, liquid heater intake pipe 4 is connected with between the water jacket top of described motor 1 cylinder cap and the water intake of liquid heater 2, the water outlet of described liquid heater 4 is connected with liquid heater outlet pipe 5, the water intake of described warm air radiator 3 is connected with warm air radiator intake pipe 6, described warm air radiator intake pipe 6 is communicated with liquid heater outlet pipe 5, the water outlet of described warm air radiator 3 is connected with warm air radiator outlet pipe 7, water inflow of the engine pipe 8 is connected with bottom the water jacket of described motor 1 cylinder cap, described water inflow of the engine pipe 8 is communicated with warm air radiator outlet pipe 7, low-temperature prewarming pipe 12 is connected with between described liquid heater outlet pipe 7 and water inflow of the engine pipe 8, described low-temperature prewarming pipe 12 is provided with one-way valve, described warm air radiator intake pipe 6 is also provided with one-way valve.
In technique scheme, the water outlet of described liquid heater outlet pipe 5 is connected with threeway 9, and two other interface of described threeway 9 connects the water intake of warm air radiator intake pipe 6 and the water intake of low-temperature prewarming pipe 12 respectively.
In technique scheme, the water outlet of described low-temperature prewarming pipe 12 is connected with threeway 9, and two other interface of described threeway 9 connects the water outlet of warm air radiator outlet pipe 7 and the water intake of water inflow of the engine pipe 8 respectively.
In technique scheme, described low-temperature prewarming pipe 12 is provided with the first electric control one-way valve 10, and described warm air radiator intake pipe 6 is provided with the second electric control one-way valve 11.
Working procedure of the present utility model is: when carrying out low-temperature prewarming to motor 1 under low temperature environment, first electric control one-way valve 10 is opened and the second electric control one-way valve 11 is closed, cooling water after liquid heater 1 heats, through low-temperature prewarming pipe 12, turns back on water inflow of the engine pipe 8 and carries out preheating to engine assembly; Heat to heater when water temperature is on the low side, the first electric control one-way valve 10 is closed and the second electric control one-way valve 11 is opened, and the cooling water after liquid heater 2 heats, through warm air radiator intake pipe 6, heats to warm air radiator 3.Even if motor 1 does not work, heated to heater by the second electric control one-way valve 11 also controllable liquid heater 2.
Under normal temperature during vehicle operating, engine water temperature is generally more than 80 DEG C, and liquid heater 2 can control to cut off electromagnetic pump and power, and liquid heater 2 stops working.But the electric water pump that liquid heater 2 carries still keeps work, the heat of engine assembly self can be relied on to heat to heater.Time below water temperature drop to 70 DEG C, liquid heater 2 starts heating again, recovers to heat to heater.
The above is only preferred embodiment of the present utility model, not does any pro forma restriction to structure of the present utility model.Every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of the technical solution of the utility model.
Claims (4)
1. an engine low temperature preheating and warm braw integrated system, comprise motor (1), liquid heater (2) and warm air radiator (3), it is characterized in that: between the water jacket top of described motor (1) cylinder cap and the water intake of liquid heater (2), be connected with liquid heater intake pipe (4), the water outlet of described liquid heater (2) is connected with liquid heater outlet pipe (5), the water intake of described warm air radiator (3) is connected with warm air radiator intake pipe (6), described warm air radiator intake pipe (6) is communicated with liquid heater outlet pipe (5), the water outlet of described warm air radiator (3) is connected with warm air radiator outlet pipe (7), water inflow of the engine pipe (8) is connected with bottom the water jacket of described motor (1) cylinder cap, described water inflow of the engine pipe (8) is communicated with warm air radiator outlet pipe (7), low-temperature prewarming pipe (12) is connected with between described liquid heater outlet pipe (5) and water inflow of the engine pipe (8), described low-temperature prewarming pipe (12) is provided with valve, described warm air radiator intake pipe (6) is also provided with valve.
2. a kind of engine low temperature preheating according to claim 1 and warm braw integrated system, it is characterized in that: the water outlet of described liquid heater outlet pipe (5) is connected with threeway (9), two other interface of described threeway (9) connects the water intake of warm air radiator intake pipe (6) and the water intake of low-temperature prewarming pipe (12) respectively.
3. a kind of engine low temperature preheating according to claim 2 and warm braw integrated system, it is characterized in that: the water outlet of described low-temperature prewarming pipe (12) is connected with threeway (9), two other interface of described threeway (9) connects the water outlet of warm air radiator outlet pipe (7) and the water intake of water inflow of the engine pipe (8) respectively.
4. a kind of engine low temperature preheating according to claim 3 and warm braw integrated system, it is characterized in that: described low-temperature prewarming pipe (12) is provided with the first electric control one-way valve (10), described warm air radiator intake pipe (6) is provided with the second electric control one-way valve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520872177.0U CN205172791U (en) | 2015-11-04 | 2015-11-04 | Engine low temperature preheat with warm braw integrated system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520872177.0U CN205172791U (en) | 2015-11-04 | 2015-11-04 | Engine low temperature preheat with warm braw integrated system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205172791U true CN205172791U (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520872177.0U Active CN205172791U (en) | 2015-11-04 | 2015-11-04 | Engine low temperature preheat with warm braw integrated system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110714829A (en) * | 2019-10-29 | 2020-01-21 | 东风越野车有限公司 | Engine low-temperature starting preheating and cab warm air system |
| CN111412099A (en) * | 2019-01-08 | 2020-07-14 | 广州汽车集团股份有限公司 | Method and system for quickly warming automobile |
-
2015
- 2015-11-04 CN CN201520872177.0U patent/CN205172791U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111412099A (en) * | 2019-01-08 | 2020-07-14 | 广州汽车集团股份有限公司 | Method and system for quickly warming automobile |
| CN111412099B (en) * | 2019-01-08 | 2021-04-02 | 广州汽车集团股份有限公司 | Method and system for quickly warming automobile |
| CN110714829A (en) * | 2019-10-29 | 2020-01-21 | 东风越野车有限公司 | Engine low-temperature starting preheating and cab warm air system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |