CN115076005A - Novel tower crane engine cold-start heating system and heating method thereof - Google Patents
Novel tower crane engine cold-start heating system and heating method thereof Download PDFInfo
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- CN115076005A CN115076005A CN202210648918.1A CN202210648918A CN115076005A CN 115076005 A CN115076005 A CN 115076005A CN 202210648918 A CN202210648918 A CN 202210648918A CN 115076005 A CN115076005 A CN 115076005A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 124
- 239000002828 fuel tank Substances 0.000 claims abstract description 24
- 239000002283 diesel fuel Substances 0.000 claims abstract description 17
- 239000000498 cooling water Substances 0.000 claims description 27
- 238000002485 combustion reaction Methods 0.000 claims description 18
- 239000000446 fuel Substances 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 4
- 238000000889 atomisation Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 25
- 238000010521 absorption reaction Methods 0.000 description 6
- 210000000476 body water Anatomy 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010763 heavy fuel oil Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
Images
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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a novel tower crane engine cold-start heating system and a heating method thereof, and the novel tower crane engine cold-start heating system comprises a fuel tank, a heater main body assembly and a main controller which are fixed on the same frame, wherein the heater main body assembly comprises a combustor and a circulating water pump fixed outside the combustor, the combustor is provided with a water suction port and a water outlet, a heat exchange water pipe communicated with the water suction port and the water outlet is arranged in the combustor, one end of the circulating water pump is connected with the water suction port, the water suction port and the water outlet are respectively provided with a heater water inlet temperature sensor and a heater water outlet temperature sensor, and the fuel tank is connected with a diesel oil inlet of the combustor through an oil suction pump. The invention has simple structure, integrates the cold-start heating system on the same frame, occupies small space, has wide application range and strong universality, can effectively solve the problem of difficult starting of the engine when the tower crane works in winter, improves the reliability, stability and working efficiency of the tower crane and reduces the after-sale maintenance service cost.
Description
Technical Field
The invention relates to the technical field of tower crane engine control, in particular to a novel tower crane engine cold-starting heating system and a heating method thereof.
Background
With the increasing demand of capital construction market for tower cranes, the use of tower cranes at home and abroad at present is developing towards intellectualization, large-scale and modularization, the requirements on the safety performance and reliability of the use of tower cranes are higher and higher, the main power sources of the tower cranes are motors and engines, the boom tower crane using a diesel engine is greatly influenced by the environmental temperature during operation, generally, when the environmental temperature is lower than-20 ℃, the engine shell is easily frosted after stopping the tower crane all night, the matching performance of various mechanical parts is reduced, the lubricating fluidity is poor, particularly, during winter operation in the north, most of the tower cranes have the phenomenon of difficult starting or abnormal starting, frequent starting easily causes overheating and burnout of the starting motor, and meanwhile, the storage battery is greatly fed or has low voltage, so that the engine is difficult to start or cannot start. The phenomenon seriously reduces the reliable stability and the working efficiency of the tower crane and increases the after-sale service cost.
Disclosure of Invention
The invention aims to provide a novel tower crane engine cold-start heating system and a heating method thereof aiming at the defects in the prior art.
In order to achieve the purpose, the invention provides a novel tower crane engine cold-start heating system, which comprises a fuel tank, a heater main body assembly and a main controller, wherein the fuel tank, the heater main body assembly and the main controller are installed and fixed on the same frame, the heater main body assembly comprises a combustor and a circulating water pump fixed outside the combustor, the combustor is provided with a water suction port and a water outlet, a heat exchange water pipe communicated with the water suction port and the water outlet is arranged in the combustor, one end of the circulating water pump is connected with the water suction port, the water suction port and the water outlet are respectively provided with a heater water inlet temperature sensor and a heater water outlet temperature sensor, the fuel tank is connected with a diesel oil inlet of the combustor through an oil suction pump, a fuel oil pressure sensor connected with the main controller is further arranged at the diesel oil inlet of the combustor, the oil suction pump, the combustor, the circulating water pump, the heater water inlet temperature sensor and the heater water outlet temperature sensor are respectively connected with the main controller, the main controller is also connected with a control switch.
Further, the combustor includes ignition mechanism and the combustion chamber of being connected with ignition mechanism, the water inlet all is established on the combustion chamber with the delivery port, ignition mechanism include with combustion chamber fixed connection's shell and with shell fixed connection's atomizer, some firearm and combustion-supporting fan, be equipped with the diesel oil inlet of combustor on the shell, the diesel oil inlet is connected with the atomizer, some firearm is connected with the ignition controller who is connected with main control unit, some firearm is used for lighting the fuel after the atomizing, and combustion-supporting fan is used for the auxiliary combustion of intake air.
Further, the fuel tank passes through the bolt and installs at the frame top, the fuel tank top be equipped with the oil absorption mouth and with oil absorption dish of oil absorption mouth fixed connection, the oil absorption dish is connected with the oil absorption pump of fixing at the fuel tank top through transition hose, and the other end of oil absorption pump is connected with combustor diesel oil inlet through defeated oil pipe.
Further, a liquid level meter is further arranged on the fuel tank.
Further, the heater main body assembly is fixed in the frame through bolts, the main controller is fixedly connected to a fixing plate, and the fixing plate is fixedly connected to the top of the frame.
Further, the heat exchange water pipe comprises a spiral plate type heat exchange water pipe.
The invention provides a heating method of the novel tower crane engine cold-start heating system, which comprises the following steps:
s1, connecting and installing a heating system and an engine:
a circulating water pump is connected with a water suction port at the front end of a thermostat of an engine by a first hose, so that the water suction port of a combustor is communicated with the water suction port at the front end of the thermostat, a water outlet of the combustor is connected with a water discharge port of an engine cylinder body by a second hose, and a first ball valve and a second ball valve are respectively arranged on the first hose and the second hose;
s2, turning on a control switch:
turning on a control switch to start the heating system, and entering step S3;
s3, judging whether the heating condition is reached:
the main controller indirectly judges the temperature of the engine according to the temperature of cooling water collected by the water inlet temperature sensor of the heater, judges that the heating condition is reached when the temperature is lower than a set value, automatically heats the system, and enters a step S4, and enters a standby state when the temperature is higher than the set value;
s4, heating cooling water:
the main controller outputs a control signal to start the circulating water pump and the oil suction pump, judges whether the system fuel atomization pressure acquired by the fuel pressure sensor reaches an ignition state, controls an igniter to ignite through the ignition controller after the ignition state is reached, heats cooling water in the heat exchange water pipe, calculates and compares the temperature of the heated cooling water acquired by the heater water outlet temperature sensor at the water outlet and the temperature of the cooling water acquired by the heater water inlet temperature sensor at the water suction port, and controls the combustion intensity of the burner so that the temperature of the heated cooling water is in a set range;
the main controller indirectly judges the temperature of the engine according to the temperature of cooling water collected by the water inlet temperature sensor of the heater, stops heating when the temperature reaches a set value, and closes the heating system.
Further, before the control switch is turned on in step S2, the first ball valve and the second ball valve need to be turned on.
Further, when the main controller determines that the engine temperature reaches the set value in step S4, the heating of the circulating water pump is stopped after the circulating water pump needs to be maintained for a certain time.
Has the advantages that:
the main heater assembly can heat cooling water sucked out from the water-cooled engine, the heated cooling water enters from a water outlet of the cylinder body of the engine under the action of the circulating water pump, heating circulation in the engine is realized, the main controller is used for controlling the heating circulation, and the heating circulation is stopped in time when the temperature of the cylinder body reaches a set value, so that the aim of preheating the engine is fulfilled, and the engine can be normally started in low-temperature weather.
The invention has simple structure, integrates the cold-start heating system on the same frame, occupies small space, has wide application range and strong universality, can effectively solve the problem of difficult starting of the engine when the tower crane works in winter, improves the reliability, stability and working efficiency of the tower crane and reduces the after-sale maintenance service cost.
Drawings
FIG. 1 is a schematic front view of an engine cold start heating system according to an embodiment of the present invention;
FIG. 2 is a schematic left side view of an engine cold start heating system according to an embodiment of the present invention;
fig. 3 is a schematic view of the mounting arrangement of the engine cold start heating system according to the embodiment of the invention.
In the figure: 1. a frame; 2. a fuel tank; 3. a heater main body assembly; 4. a main controller; 5. a control switch; 6. a burner; 7. a water circulating pump; 8. a water suction port; 9. a water outlet; 10. a diesel oil inlet; 11. an ignition controller; 12. an oil suction pump; 13. an oil delivery pipe; 14. a liquid level meter; 15. a water suction port at the front end of the thermostat; 16. a water outlet of the cylinder body; 17. a first hose; 18. a second hose; 19. a first ball valve; 20. a second ball valve; 21. a fixing plate; 22. a tee joint; 23. an oil suction pan.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific examples, which are carried out on the premise of the technical solution of the present invention, and it should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 3, the embodiment of the invention provides a novel tower crane engine cold-start heating system and a heating method thereof, comprising a fuel tank 2, a heater main body assembly 3 and a main controller 4 which are fixed on the same frame 1, wherein the main controller 4 is connected with a control switch 5. The heater main body assembly 3 is fixed in the frame 1 through bolts, the main controller 4 is fixedly connected on a fixing plate 21, the fixing plate 21 is L-shaped, and the fixing plate 21 is fixedly connected at the top of the frame 1.
The heater main part assembly 3 includes combustor 6 and fixes at the outside circulating water pump 7 of combustor 6, circulating water pump 7 is connected with main control unit 4, combustor 6 includes ignition mechanism and the combustion chamber of being connected with ignition mechanism, is equipped with water sucking mouth 8 and delivery port 9 on the combustion chamber, is equipped with the heat exchange water pipe (not shown in the figure) of intercommunication water sucking mouth 8 and delivery port 9 in the combustion chamber, and the preferred spiral disk heat exchange water pipe of heat exchange water pipe sets up in the furnace of combustion chamber. Ignition mechanism includes the shell with combustion chamber fixed connection, and with shell fixed connection's atomizer, some firearm and combustion-supporting fan, be equipped with the diesel oil inlet 10 of combustor 6 on the shell, diesel oil inlet 10 is connected with the atomizer, some firearm are connected with ignition controller 11 of being connected with main control unit 4, some firearm is used for lighting the fuel after the atomizing, combustion-supporting fan is used for the auxiliary combustion of air-intake, the atomizer, some firearm controller and combustion-supporting fan are connected with main control unit 4 respectively, and main control unit 4 control, main control unit 4 controls some firearm through control ignition controller 11 and ignites.
The fuel tank 2 is connected with a diesel oil inlet 10 of the combustor 6 through an oil suction pump 12, the oil suction pump 12 is connected with the main controller 4, and a liquid level meter 14 is further arranged on the fuel tank 2, so that the residual fuel in the fuel tank 2 can be observed conveniently. The fuel tank 2 is installed at the top of the frame 1 through bolts, the top of the fuel tank 2 is provided with an oil suction port and an oil suction disc 23 fixedly connected with the oil suction port, the oil suction disc 23 is connected with an oil suction pump 12 fixed at the top of the fuel tank 2 through a transition hose, the other end of the oil suction pump 12 is connected with a diesel oil inlet 10 of the combustor 6 through an oil conveying pipe 13, a fuel pressure sensor connected with the main controller 4 is further arranged at the diesel oil inlet 10 of the combustor 6, and the main controller 4 judges whether the ignition condition is met through a pressure signal collected by the fuel pressure sensor.
The water inlet 8 and the water outlet 9 are respectively provided with a heater inlet water temperature sensor and a heater outlet water temperature sensor, the heater inlet water temperature sensor and the heater outlet water temperature sensor are respectively connected with the main controller 4, the heater inlet water temperature sensor detects the temperature of the cooling water before heating, and the heater outlet water temperature sensor detects the temperature of the cooling water after heating. The control switch 5 has two gears, the first gear is a circulating water pump switch, the second gear is a burner switch, and when the heating system is used, the burner switch is started under the condition that the circulating water pump switch must be started first, so that dry burning is prevented.
When the cold-start heating system is connected with the engine, the water outlet 9 of the tower crane in the embodiment is a V-shaped diesel six-cylinder water-cooled engine, the water-cooled channel of the engine is provided with two cylinder body water outlets 16, the cylinder body water outlets 16 on the common engine are blocked by a plug under normal conditions, when the cold-start heating system is connected with the engine in the embodiment, the water outlet 9 is connected with the second ball valve 20 firstly, then is connected with a three-way valve 22, and is connected with the two cylinder body water outlets 16 on the two ends of the engine through the hoses respectively, therefore, the water-cooling circulation channel in the engine can be utilized to heat the cylinder body of the engine more quickly and uniformly, and the heat loss is lowest. If the engine is an in-line common rail engine, one end may be connected.
The working principle of the invention is as follows: when the cold start heating system is started, the main controller 4 controls the heater main body assembly 3 and the oil suction pump 12 to work, fuel oil is sucked out from the fuel tank 2 and conveyed to the atomizer through the oil conveying pipe 13, the atomizer atomizes the fuel oil, air sucked by the combustion-supporting fan and atomized is ignited by the igniter and combusted in the combustion chamber, cooling water sucked out of the engine by the circulating water pump 7 in the heat exchange water pipe is heated, the heated cooling water enters the engine from the water outlet 9 along the second hose 18 from the water outlet 16 of the cylinder body, and continuously circulates under the action of the circulating water pump 7 to preheat the engine, heating is stopped when the temperature of the engine reaches a set value, and the engine is easily started when the temperature of the engine is above 0 ℃.
The invention also provides a heating method of the novel tower crane engine cold-start heating system, which comprises the following steps:
s1, connecting and installing a heating system and an engine:
a circulating water pump 7 is connected with a front-end water suction port 15 of a thermostat of an engine by using a first hose 17, a water suction port 8 of a combustor 6 is communicated with the front-end water suction port 15 of the thermostat, a water outlet 9 of the combustor 6 is connected with a water discharge port 16 of an engine cylinder by using a second hose 18, and a first ball valve 19 and a second ball valve 20 are respectively arranged on the first hose 17 and the second hose 18;
s2, turning on a control switch:
turning on the control switch 5 to turn on the heating system, and proceeding to step S3;
it should be noted that before the control switch 5 is turned on, the first ball valve 19 and the second ball valve 20 need to be turned on to clear the pipeline;
s3, judging whether the heating condition is reached:
the main controller 4 indirectly judges the temperature of the engine according to the temperature of the cooling water collected by the heater inlet temperature sensor, when the temperature is lower than a set value, the heating condition is judged to be reached, the system automatically heats, and the step S4 is entered, and when the temperature is higher than the set value, the system enters a standby state;
s4, heating cooling water:
the main controller 4 outputs a control signal to start the circulating water pump 7 and the oil suction pump 12, the main controller 4 judges whether the ignition state is achieved according to the system fuel atomization pressure acquired by the fuel pressure sensor, after the ignition state is achieved, the main controller 4 controls an igniter to ignite through the ignition controller 11, so that cooling water in the heat exchange water pipe is heated, the main controller 4 calculates and compares the temperature of the heated cooling water acquired by the heater water outlet temperature sensor at the water outlet 9 and the temperature of the cooling water acquired by the heater water inlet temperature sensor at the water suction port 8, and controls the combustion force of the combustor 6 to enable the temperature of the heated cooling water to be within a set range;
the main controller 4 indirectly judges the temperature of the engine according to the temperature of the cooling water collected by the heater inlet water temperature sensor, stops heating when the temperature reaches a set value, and closes a heating system. It should be noted that when the main controller determines that the engine temperature reaches the set value, the circulating water pump needs to be maintained for a certain time before the heating is stopped.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that other parts not specifically described are within the prior art or common general knowledge to those of ordinary skill in the art. Without departing from the principle of the invention, several improvements and modifications can be made, and these improvements and modifications should also be construed as the scope of the invention.
Claims (9)
1. A novel tower crane engine cold-start heating system is characterized by comprising a fuel tank, a heater main body assembly and a main controller which are fixedly arranged on the same frame, wherein the heater main body assembly comprises a burner and a circulating water pump fixed outside the burner, the burner is provided with a water suction port and a water outlet, a heat exchange water pipe communicated with the water suction port and the water outlet is arranged in the burner, one end of the circulating water pump is connected with the water suction port, the water suction port and the water outlet are respectively provided with a heater water inlet temperature sensor and a heater water outlet temperature sensor, the fuel tank is connected with a diesel oil inlet of the burner through an oil suction pump, the diesel oil inlet of the burner is also provided with a fuel pressure sensor connected with the main controller, the oil suction pump, the burner, the circulating water pump, the heater water inlet temperature sensor and the heater water outlet temperature sensor are respectively connected with the main controller, the main controller is also connected with a control switch.
2. The novel tower crane engine cold-start heating system according to claim 1, characterized in that, the combustor includes ignition mechanism and the combustion chamber of being connected with ignition mechanism, the water inlet all is established on the combustion chamber with the delivery port, ignition mechanism include with combustion chamber fixed connection's shell and with shell fixed connection's atomizer, some firearm and combustion-supporting fan, be equipped with the diesel oil inlet of combustor on the shell, the diesel oil inlet is connected with the atomizer, some firearm are connected with the ignition controller of being connected with main control unit, some firearm are used for igniting the fuel after the atomizing, combustion-supporting fan is used for the auxiliary combustion of intake air.
3. The novel tower crane engine cold-start heating system as claimed in claim 1, wherein the fuel tank is mounted at the top of the frame through a bolt, the top of the fuel tank is provided with an oil suction port and an oil suction disc fixedly connected with the oil suction port, the oil suction disc is connected with an oil suction pump fixed at the top of the fuel tank through a transition hose, and the other end of the oil suction pump is connected with a diesel oil inlet of a burner through an oil delivery pipe.
4. The novel tower crane engine cold-start heating system as claimed in claim 1, wherein a liquid level meter is further arranged on the fuel tank.
5. The novel tower crane engine cold-start heating system as claimed in claim 1, wherein the heater main body assembly is fixed in the frame through bolts, the main controller is fixedly connected to a fixing plate, and the fixing plate is fixedly connected to the top of the frame.
6. The novel tower crane engine cold-start heating system as claimed in claim 1, wherein the heat exchange water pipe comprises a spiral plate type heat exchange water pipe.
7. A heating method for a novel tower crane engine cold-start heating system according to claim 1, characterized in that the method comprises the following steps:
s1, connecting and installing an engine cold start heating system and an engine:
a circulating water pump is connected with a water suction port at the front end of a thermostat of an engine by a first hose, so that the water suction port of a combustor is communicated with the water suction port at the front end of the thermostat, a water outlet of the combustor is connected with a water discharge port of an engine cylinder body by a second hose, and a first ball valve and a second ball valve are respectively arranged on the first hose and the second hose;
s2, turning on a control switch:
turning on a control switch to start an engine cold start heating system, and entering step S3;
s3, judging whether the heating condition is reached:
the main controller indirectly judges the temperature of the engine according to the temperature of cooling water collected by a water inlet temperature sensor of the heater, judges that a heating condition is reached when the temperature is lower than a set value, automatically heats the system, and enters step S4, and enters a standby state when the temperature is higher than the set value;
s4, heating cooling water:
the main controller outputs a control signal to start the circulating water pump and the oil suction pump, judges whether the system fuel atomization pressure acquired by the fuel pressure sensor reaches an ignition state, controls an igniter to ignite through the ignition controller after the ignition state is reached, heats cooling water in the heat exchange water pipe, calculates and compares the temperature of the heated cooling water acquired by the heater water outlet temperature sensor at the water outlet and the temperature of the cooling water acquired by the heater water inlet temperature sensor at the water suction port, and controls the combustion intensity of the burner so that the temperature of the heated cooling water is in a set range;
the main controller indirectly judges the temperature of the engine according to the temperature of cooling water collected by the water inlet temperature sensor of the heater, stops heating when the temperature reaches a set value, and closes the heating system.
8. The heating method as claimed in claim 7, wherein the first ball valve and the second ball valve are opened before the control switch is turned on in step S2.
9. A heating method according to claim 7, wherein the heating is stopped after the circulating water pump is maintained for a certain time when the main controller determines that the engine temperature reaches the set value in step S4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210648918.1A CN115076005A (en) | 2022-06-09 | 2022-06-09 | Novel tower crane engine cold-start heating system and heating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210648918.1A CN115076005A (en) | 2022-06-09 | 2022-06-09 | Novel tower crane engine cold-start heating system and heating method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115076005A true CN115076005A (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210648918.1A Pending CN115076005A (en) | 2022-06-09 | 2022-06-09 | Novel tower crane engine cold-start heating system and heating method thereof |
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| CN207568764U (en) * | 2017-11-30 | 2018-07-03 | 安徽江淮汽车集团股份有限公司 | A kind of commercial car liquid fuel assisted heating device |
| CN209761604U (en) * | 2018-12-13 | 2019-12-10 | 潍柴动力股份有限公司 | Preheating system of engine and engine with preheating system |
| CN111852648A (en) * | 2020-07-02 | 2020-10-30 | 重庆金冠汽车智能技术研究院有限公司 | Multifunctional integrated work efficiency unit |
| CN217712787U (en) * | 2022-06-09 | 2022-11-01 | 中昇建机(南京)重工有限公司 | Novel tower machine engine cold-start heating system |
-
2022
- 2022-06-09 CN CN202210648918.1A patent/CN115076005A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000008854A (en) * | 1998-06-26 | 2000-01-11 | Toyota Motor Corp | Internal combustion engine having combustion heater |
| CN2625596Y (en) * | 2003-06-20 | 2004-07-14 | 三一重工股份有限公司 | Diesel cold starting preheating device for engineering machinery |
| RU80515U1 (en) * | 2008-08-12 | 2009-02-10 | Евгений Викторович Андреев | AUTONOMOUS AUTOMATIC SYSTEM OF HEATING AND MAINTENANCE OF TEMPERATURE CONDITIONS OF DIESEL ENGINES OF VEHICLES |
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| CN207568764U (en) * | 2017-11-30 | 2018-07-03 | 安徽江淮汽车集团股份有限公司 | A kind of commercial car liquid fuel assisted heating device |
| CN209761604U (en) * | 2018-12-13 | 2019-12-10 | 潍柴动力股份有限公司 | Preheating system of engine and engine with preheating system |
| CN111852648A (en) * | 2020-07-02 | 2020-10-30 | 重庆金冠汽车智能技术研究院有限公司 | Multifunctional integrated work efficiency unit |
| CN217712787U (en) * | 2022-06-09 | 2022-11-01 | 中昇建机(南京)重工有限公司 | Novel tower machine engine cold-start heating system |
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