CN116857105B - Heating device for assisting low-temperature starting of armored equipment and use method - Google Patents
Heating device for assisting low-temperature starting of armored equipment and use method Download PDFInfo
- Publication number
- CN116857105B CN116857105B CN202310558780.0A CN202310558780A CN116857105B CN 116857105 B CN116857105 B CN 116857105B CN 202310558780 A CN202310558780 A CN 202310558780A CN 116857105 B CN116857105 B CN 116857105B
- Authority
- CN
- China
- Prior art keywords
- compartment
- pipe
- armored
- heat exchange
- heating
- 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.)
- Active
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 118
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000000110 cooling liquid Substances 0.000 claims abstract description 42
- 230000002528 anti-freeze Effects 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 239000007788 liquid Substances 0.000 claims description 25
- 238000005485 electric heating Methods 0.000 claims description 19
- 230000017525 heat dissipation Effects 0.000 claims description 18
- 239000012530 fluid Substances 0.000 claims description 14
- 238000004321 preservation Methods 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 11
- 239000012809 cooling fluid Substances 0.000 claims description 9
- 238000007710 freezing Methods 0.000 claims description 8
- 239000003595 mist Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 4
- 239000002912 waste gas Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 2
- 238000000889 atomisation Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008878 coupling Effects 0.000 abstract description 5
- 238000010168 coupling process Methods 0.000 abstract description 5
- 238000005859 coupling reaction Methods 0.000 abstract description 5
- 238000005461 lubrication Methods 0.000 abstract description 4
- 238000010792 warming Methods 0.000 abstract description 4
- 239000000295 fuel oil Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 19
- 239000002826 coolant Substances 0.000 description 12
- 239000002283 diesel fuel Substances 0.000 description 11
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000005286 illumination Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 239000000284 extract Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 210000002268 wool Anatomy 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a heating device for assisting low-temperature starting of armored equipment and a use method thereof, and relates to the technical field of heating devices. The utility model provides a heating device for assisting armor equipment low temperature starts, includes the railway carriage or compartment, and control module is installed to one side in railway carriage or compartment, installs the antifreeze storage case in the railway carriage or compartment, and the railway carriage or compartment has the circulating pump through the mounting panel rigid coupling, and the circulating pump passes through pipe and antifreeze storage case intercommunication, and one side that the railway carriage or compartment kept away from antifreeze storage case is provided with circulation heating system, and the intercommunication has the inlet tube between circulation heating system and the circulating pump. According to the invention, the temperature of the armored engine is gradually increased through the warmed cooling liquid, so that the atomization effect of fuel oil in the armored engine is improved, the viscosity of lubrication is reduced, the armored engine is prevented from being worn due to starting in a low-temperature environment, the warming device solves the problem that the armored engine is difficult to start in the low-temperature environment, and the warming time of the armored engine in a cold environment is shortened.
Description
Technical Field
The invention relates to the technical field of heating devices, and discloses a heating device for assisting low-temperature starting of armored equipment and a use method thereof.
Background
Compared with a gasoline engine, the diesel engine has stronger power and low maintenance cost, so most of military armors are provided with the diesel engine to provide power, but the diesel engine has poor low-temperature starting performance and is a prominent problem in the use process of the diesel engine.
The armored equipment of army equipment in cold areas always has the problem of difficult starting in winter, the armored equipment can be started after being heated for a long time, the quick maneuverability of the armored equipment is seriously affected, the cylinder, the piston and the crankshaft of the engine can be seriously worn by the emergency starting without heating or the emergency starting with insufficient heating time, the engine of the armor is heated by the heating pot in the prior art, the viscosity of lubricating oil in the engine of the armor is reduced, but a great amount of black smoke is generated when the heating efficiency of the heating pot is low, and the position of the armored equipment is easily exposed, so that the armored equipment is subjected to the fire attack of enemy.
Disclosure of Invention
The invention provides a heating device for assisting low-temperature starting of armored equipment, which overcomes the defects of the existing armored engine during low-temperature starting.
The technical scheme of the invention is as follows: the utility model provides a heating device for assisting armor equipment low temperature starts, including the railway carriage or compartment, the upside slip in railway carriage or compartment is connected with symmetrical heat preservation sliding cover, control module is installed in the railway carriage or compartment, install the antifreeze fluid storage tank in the railway carriage or compartment, install diesel generator in the railway carriage or compartment, diesel generator's intake pipe and exhaust gas discharge pipe all set up in the outside in railway carriage or compartment, install the oil tank in the railway carriage or compartment, there is the circulating pump in the railway carriage or compartment through mounting panel rigid coupling, the circulating pump passes through pipe and antifreeze fluid storage tank intercommunication, antifreeze fluid storage tank intercommunication has the connecting pipe, install the battery in the railway carriage or compartment, the diesel generator provides electric power for the battery after starting, one side that the antifreeze fluid storage tank was kept away from in railway carriage or compartment is provided with circulation heating system, the intercommunication has the inlet tube between circulation heating system and the circulating pump, antifreeze fluid storage tank and circulation heating system respectively with the drain port and the water inlet intercommunication of armor equipment engine coolant, coolant fluid heats in circulation heating system and follows armor equipment engine internal circulation flow, the inlet tube installs temperature transmitter, control module respectively with diesel generator, the battery, circulation heating system and temperature transmitter electricity are connected with circulation heating system and circulation transmitter electricity.
Furthermore, it is particularly preferred that the compartment is provided with a first sealed cavity, which is filled with insulation wool, the compartment being adapted to insulate the air inside it.
In addition, it is particularly preferred that the circulating heating system comprises a supporting frame, the supporting frame is fixedly connected to the inner bottom of the compartment, the upper side of the supporting frame is fixedly connected with a heating furnace shell, a heat exchange sleeve is fixedly connected to the inner side of the heating furnace shell, the heat exchange sleeve is in sealing fit with the heating furnace shell, a second sealing cavity is arranged between the heat exchange sleeve and the heating furnace shell, a heat exchange pipe is fixedly connected to the inner wall of the heat exchange sleeve, one end of the heat exchange pipe is communicated with the second sealing cavity, the other end of the heat exchange pipe is communicated with a water inlet pipe, a water outlet pipe is communicated with the second sealing cavity, quick connectors are respectively arranged on the water outlet pipe and the water outlet pipe, the water outlet pipe penetrates through the compartment, a combustor electrically connected with the control panel is arranged in the heating furnace shell, the combustor is communicated with the oil tank through an oil guide pipe, the lower end of the exhaust pipe penetrates through the compartment, one side of the heating furnace shell is provided with an air inlet heat exchange assembly, the air inlet heat exchange assembly is used for improving the temperature of air in the heat exchange sleeve, a flow rate adjusting assembly is arranged in the second sealing cavity, and the flow rate adjusting assembly is used for increasing the flow rate of cooling liquid in the second sealing cavity.
In addition, particularly preferred, the heat exchange component that admits air includes the fan, the fan rigid coupling is in the inner wall in railway carriage or compartment, the air intake of fan passes the railway carriage or compartment, the blast pipe is fixed and sealing connection has the seal shell, the fan intercommunication has first air duct, first air duct and seal shell intercommunication, the downside intercommunication of seal shell has the second air duct, second air duct and heating furnace shell intercommunication, the outside rigid coupling of blast pipe has the heat dissipation cover, the heat dissipation cover is located inside the seal shell, the heat dissipation cover is used for increasing heat radiating area, the inner wall rigid coupling of seal shell has circumference equidistant electric heater strip, fan and electric heater strip are connected with battery and control module electricity respectively.
Furthermore, it is particularly preferred that an air filter element is mounted at the air inlet of the fan for filtering the air entering the heat exchange jacket.
In addition, it is particularly preferred that the flow rate adjusting assembly comprises a fixed ring, the fixed ring is fixedly connected to the outer wall of the heat exchange sleeve, the heat exchange sleeve is slidably connected with a sliding ring, the sliding ring is located on the upper side of the fixed ring, a ring-shaped elastic plate is fixedly and hermetically connected between the sliding ring and the fixed ring, an electric push rod is arranged on the upper side of the heating furnace shell, and the electric push rod is electrically connected with the storage battery and the control module.
In addition, it is particularly preferable that a level gauge is further included, the level gauge is installed at one side of the antifreeze storage tank, and the level gauge is located at the outer side of the compartment.
In addition, it is particularly preferable that the heating furnace further comprises a heat preservation shell, wherein the heat preservation shell is fixedly connected to the outer side of the heating furnace shell, an annular cavity is arranged between the heating furnace shell and the heat preservation shell, and an exhaust valve is arranged on the heat preservation shell.
In addition, it is particularly preferable that the vehicle further comprises uniformly distributed illumination lamps which are respectively arranged at the inner side and the outer side of the compartment, and the illumination lamps are electrically connected with the storage battery and the control module.
Furthermore, it is particularly preferred that a method of use of a heating device for assisting low temperature start-up of an armored equipment, comprises the steps of:
s1: the working personnel connect the quick connectors of the connecting pipe and the drain pipe with the water outlet and the water inlet of the armored engine respectively, and start the fan and the electric heating wire through the control module, the fan blows air into the heat exchange sleeve, and the electric heating wire heats the air entering the heat exchange sleeve;
s2: the burner sprays oil mist and mixes with heated air, the burner ignites the mixed gas of the oil mist and the air, the burner continuously generates flame, and the control module turns off the electric heating wire after the burner ignites;
s3: a worker starts a circulating pump through a control module, the circulating pump enables coolant in the antifreeze fluid storage tank and the armored engine to circulate, the coolant flows along the water inlet pipe, the heat exchange pipe, the second sealing cavity and the water outlet pipe, flame generated by the burner heats the circulating coolant, and the heated coolant increases the temperature of the armored engine;
s4: in the exhaust process of the exhaust pipe, the heat dissipation sleeve is used for heating air entering the sealing shell, the temperature transmitter transmits a signal of the detected temperature to the control module along with the continuous rising of the temperature of the cooling liquid, the control module starts the electric push rod, the telescopic end of the electric push rod drives the sliding ring to move downwards, the annular elastic plate deforms, and the gap between the annular elastic plate and the heating furnace shell is gradually reduced;
s5: when the temperature of the cooling liquid is increased to a preset temperature, the armored engine is started later, the staff disconnects the quick connectors of the connecting pipe and the drain pipe from the armored engine, and simultaneously, all electric elements in the heating device are closed and reset through the control panel.
The beneficial effects of the invention are as follows:
1. the temperature of the armored engine is gradually increased by the warmed cooling liquid, so that the atomization effect of fuel oil in the armored engine is improved, the viscosity of lubrication is reduced, the armored engine is prevented from being worn due to starting in a low-temperature environment, the warming device solves the problem that the armored engine is difficult to start in the low-temperature environment, the warming time of the armored engine in a cold environment is shortened, and the quick maneuverability and battlefield concealment of armored equipment are effectively improved.
2. The quick connector of the connecting pipe and the drain pipe is utilized to increase the connection speed with the water outlet and the water inlet of the armored engine cooling liquid.
3. The low-temperature air entering the sealing shell is heated through the electric heating wire, so that the atomization effect of the burner on diesel oil is improved, the diesel oil is prevented from being too low in temperature during initial starting, and ignition failure is caused by incomplete atomization in the heat exchange sleeve.
4. The heat utilization rate of the combustion flame heat of the burner is improved by arranging the heat exchange pipe and the heat exchange sleeve to be matched with each other, however, the heat in the waste gas is transferred to the heat exchange sleeve through the exhaust pipe, the low-temperature air entering the sealing shell is subjected to heat exchange with the heat exchange sleeve, the temperature of the air entering the heat exchange sleeve is improved, the atomization effect of diesel oil at the burner is improved, and the combustion rate of the diesel oil at the burner is improved.
5. The annular elastic plate slowly moves downwards along with the temperature rise of the cooling liquid, the middle part of the annular elastic plate bends, the gap between the annular elastic plate and the inner wall of the heat exchange sleeve is reduced, the flow speed of the cooling liquid in the second sealing cavity is reduced, and the retention time of the cooling liquid in the second sealing cavity is prolonged.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic top perspective view of the present invention.
Fig. 3 is a schematic cross-sectional perspective view of the cabin of the present invention.
Fig. 4 is a schematic perspective view of the circulation pump and the temperature transmitter.
FIG. 5 is a schematic perspective sectional view of the heating furnace shell and the heat-insulating shell of the present invention.
Fig. 6 is a schematic perspective view of the heat exchange tube, the exhaust pipe and other parts according to the present invention.
Fig. 7 is a schematic cross-sectional perspective view of the seal housing and heat dissipation sleeve of the present invention.
FIG. 8 is a schematic perspective view of the slide ring and annular elastic plate of the present invention in cross-section.
In the figure: 101. the system comprises a compartment, 1010, a first sealing cavity, 102, a heat-preserving sliding cover, 103, a control module, 104, an antifreezing fluid storage tank, 1041, a connecting pipe, 1042, a liquid level meter, 105, a diesel generator, 106, an oil tank, 107, a storage battery, 108, a circulating pump, 109, a circulating heating system, 110, a water inlet pipe, 111, a temperature transmitter, 201, a supporting frame, 202, a heating furnace shell, 203, a heat exchange sleeve, 2031, a second sealing cavity, 204, a heat exchange pipe, 205, a water drain pipe, 2051, a burner, 206, an exhaust pipe, 207, a fan, 208, a sealing shell, 209, a first air guide pipe, 210, a second air guide pipe, 211, a heat dissipation sleeve, 212, an electric heating wire, 213, a fixing ring, 214, a sliding ring, 215, an annular elastic plate, 216, an electric push rod, 301, a heat-preserving shell, 302, an exhaust valve, 4 and an illuminating lamp.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of systems and methods that are consistent with some aspects of the present disclosure, as detailed in the accompanying claims.
Example 1: 1-4, a heating device for assisting low-temperature starting of armored equipment comprises a compartment 101, wherein the upper side of the compartment 101 is slidingly connected with two symmetrical heat-insulating sliding covers 102, the compartment 101 is provided with a first sealing cavity 1010, heat-insulating cotton is filled in the first sealing cavity 1010, the compartment 101 and the two heat-insulating sliding covers 102 are mutually matched to form a sealing cavity, the compartment 101 and the two heat-insulating sliding covers 102 insulate air in the compartment 101, a control module 103 is arranged on the front side of the compartment 101, an antifreeze fluid storage tank 104 is arranged on the right front side in the compartment 101, coolant fluid in the antifreeze fluid storage tank 104 is filled with coolant fluid in an armored engine, a diesel generator 105 is arranged on the inner left side of the compartment 101, an air inlet pipe and an exhaust gas discharge pipe of the diesel generator 105 are arranged on the outer side of the compartment 101, an oil tank 106 is arranged in the compartment 101, the oil tank 106 is positioned at the upper side of the diesel generator 105, diesel oil is filled in the oil tank 106, the oil tank 106 provides sufficient fuel for the diesel generator 105, a circulating pump 108 is fixedly connected in the compartment 101 through a mounting plate, the circulating pump 108 is communicated with an antifreezing solution storage tank 104 through a conduit, the circulating pump 108 is started to enable the antifreezing solution storage tank 104 and cooling liquid in an armored engine to circularly flow, the antifreezing solution storage tank 104 is communicated with a connecting pipe 1041, a storage battery 107 is arranged in the compartment 101, the storage battery 107 is provided with power after the diesel generator 105 is started, a circulating heating system 109 is arranged at the rear side in the compartment 101, a water inlet pipe 110 is communicated between the circulating heating system 109 and the circulating pump 108, the antifreezing solution storage tank 104 and the circulating heating system 109 are respectively communicated with a water outlet and a water inlet of cooling liquid of the armored equipment engine, the coolant liquid heats in circulation heating system 109 and flows along armoured equipment engine internal circulation, and the coolant liquid after heating heats armoured engine, makes the viscosity of armoured engine internal lubrication oil reduce, prevents armoured engine low temperature start, causes armoured engine internal structure to take place serious wearing and tearing, and temperature transmitter 111 is installed to inlet tube 110, and temperature transmitter 111 is used for real-time detection circulation flowing coolant liquid's temperature to with detection signal transmission to control module 103, control module 103 respectively with diesel generator 105, battery 107, circulating pump 108, circulation heating system 109 and temperature transmitter 111 electricity are connected, battery 107 is connected with circulation heating system 109 and circulating pump 108 electricity.
When the heating device is used, a worker connects the quick connectors of the connecting pipe 1041 and the drain pipe 205 with the water outlet and the water inlet of the armored engine respectively, the connection speed of the water outlet and the water inlet of the cooling liquid of the armored engine is increased by utilizing the quick connectors of the connecting pipe 1041 and the drain pipe 205, then the worker starts the circulating pump 108 and the circulating heating system 109 through the control module 103, the circulating pump 108 enables the cooling liquid in the antifreeze liquid storage tank 104 and the armored engine to flow in the circulating heating system 109, the cooling liquid enters the circulating heating system 109 through the water inlet pipe 110, the circulating heating system 109 heats the circulating cooling liquid, the temperature transmitter 111 detects the circulating cooling liquid in real time, when the cooling liquid is added to the designated temperature, the control module 103 closes all electric elements of the heating device, the cooling liquid in the heating process circulates in the heating device and the armored engine, the temperature of the armored engine is gradually increased, the atomization effect of the fuel in the armored engine is further improved, meanwhile, the viscosity of lubrication is reduced, the armored engine is prevented from being worn in a low-temperature environment, the starting difficulty of the armored engine in the low-temperature environment is overcome, the heating time of the armored engine is shortened, and the safety of the armored engine is shortened in the cold environment, and the safety of the armored engine is improved, and the safety is hidden in the environment.
Example 2: on the basis of embodiment 1, as shown in fig. 5 and 6, the circulation heating system 109 comprises a supporting frame 201, the supporting frame 201 is fixedly connected to the inner bottom of the cabin 101 through bolts, a heating furnace shell 202 is fixedly connected to the upper side of the supporting frame 201, a heat exchange sleeve 203 is fixedly connected to the inner side of the heating furnace shell 202, the heat exchange sleeve 203 is in sealing fit with the heating furnace shell 202, a second sealing cavity 2031 is arranged between the heat exchange sleeve 203 and the heating furnace shell 202, a heat exchange tube 204 is fixedly connected to the inner wall of the heat exchange sleeve 203, the heat exchange tube 204 and the heat exchange sleeve 203 are both made of aluminum alloy materials, the upper end of the heat exchange tube 204 is communicated with the second sealing cavity 2031, the lower end of the heat exchange tube 204 is communicated with a water inlet tube 110, cooling liquid in the water inlet tube 110 flows into the heat exchange tube 204 for heating, the second sealing cavity 2031 is communicated with a water outlet tube 205, quick connectors are arranged on the connecting tube 1041 and the water outlet tube 205, the quick connector of the connecting pipe 1041 and the drain pipe 205 increases the connection efficiency of the heating device, the drain pipe 205 passes through the compartment 101, the burner 2051 electrically connected with the control panel is arranged in the heating furnace shell 202, flame burnt by the burner 2051 is used for heating cooling liquid flowing in the second sealing cavity 2031 and the heat exchange pipe 204, the burner 2051 is communicated with the oil tank 106 through the oil guide pipe, diesel oil at the inner side of the oil tank 106 is atomized at the burner 2051 and mixed with air to form combustible gas, the upper side of the heating furnace shell 202 is communicated with the exhaust pipe 206, waste gas generated by the flame at the burner 2051 is discharged out of the compartment 101 through the exhaust pipe 206, the lower end of the exhaust pipe 206 passes through the compartment 101, one side of the heating furnace shell 202 is provided with an air inlet heat exchange component, the air inlet heat exchange component is used for improving the temperature of air entering the heat exchange sleeve 203, the second sealing cavity 2031 is internally provided with a flow rate adjusting component, the flow rate adjustment assembly is used to increase the flow rate of the cooling fluid within the second seal cavity 2031.
As shown in fig. 5-7, the air inlet heat exchange assembly comprises a fan 207, the fan 207 is fixedly connected to the inner wall of the compartment 101, an air inlet of the fan 207 penetrates through the compartment 101, an air filter element is installed at the air inlet of the fan 207 and is used for filtering air entering the heat exchange sleeve 203, impurities in the air are prevented from entering the heat exchange sleeve 203, the heat exchange efficiency of the heat exchange sleeve 203 and the heat exchange tube 204 is reduced, a sealing shell 208 is fixedly and hermetically connected to the exhaust tube 206, a first air duct 209 is communicated between the fan 207 and the sealing shell 208, a second air duct 210 is communicated between the lower side of the sealing shell 208 and the heating furnace shell 202, a heat dissipation sleeve 211 is fixedly connected to the outer side of the exhaust tube 206, the heat dissipation sleeve 211 is located inside the sealing shell 208, the heat dissipation sleeve 211 is used for increasing the heat dissipation area, the heating effect of the exhaust tube 206 on the air entering the sealing shell 208 is improved, circumferentially equidistant electric heating wires 212 are fixedly connected to the inner wall of the sealing shell 208 and are used for heating the air entering the sealing shell 208, and the fan 207 and the electric heating wires 212 are electrically connected with the storage battery 107 and the control module 103 respectively.
As shown in fig. 8, the flow rate adjusting assembly includes a fixing ring 213, the fixing ring 213 is fixedly connected to the heat exchange sleeve 203, the heat exchange sleeve 203 is slidably connected with a sliding ring 214, both the fixing ring 213 and the sliding ring 214 are in sealing fit with the heat exchange sleeve 203, the sliding ring 214 is located at an upper side of the fixing ring 213, an annular elastic plate 215 is fixedly and sealingly connected between the sliding ring 214 and the fixing ring 213, the annular elastic plate 215 deforms, a gap between a deformation position of the annular elastic plate 215 and an inner wall of the heating furnace housing 202 is changed, an electric push rod 216 is arranged at an upper side of the heating furnace housing 202, and the electric push rod 216 is electrically connected with the storage battery 107 and the control module 103.
When the control module 103 starts the circulation heating system 109, the control module 103 starts the fan 207 and the electric heating wire 212, the fan 207 extracts air outside the compartment 101, the air flows into the sealing shell 208 along the first air guide pipe 209, the electric heating wire 212 works to heat the air flowing into the sealing shell 208, meanwhile, the control module 103 starts the burner 2051, the burner 2051 sprays oil mist into the heat exchange sleeve 203, the heated air enters the heat exchange sleeve 203 along the second air guide pipe 210 and is mixed with the oil mist in the heat exchange sleeve 203, the burner 2051 ignites the mixed gas, the diesel is ignited under the action of the burner 2051, the electric heating wire 212 heats the low-temperature air entering the sealing shell 208, the atomization effect of the burner 2051 on the diesel is improved, the incomplete atomization in the heat exchange sleeve 203 is prevented, and the failure of ignition is caused.
After the ignition of the burner 2051 is completed, the control module 103 turns off the electric heating wire 212, the exhaust gas generated by combusting diesel oil in the heat exchange sleeve 203 enters the exhaust pipe 206, the exhaust gas is discharged to the outer side of the cabin 101 along the exhaust pipe 206, meanwhile, the cooling liquid flows along the heat exchange pipe 204, the cooling liquid exchanges heat with flame combusted by the burner 2051 through the heat exchange pipe 204, the temperature of the cooling liquid is increased, the cooling liquid flows into the second sealing cavity 2031 from the upper end of the heat exchange pipe 204, the cooling liquid entering the second sealing cavity 2031 exchanges heat with flame combusted by the burner 2051 again through the heat exchange sleeve 203, the temperature of the cooling liquid is further increased, the heated cooling liquid flows into the armored engine along the exhaust pipe 205, the armored engine and the lubricating therein are heated, the utilization rate of the combustion flame heat of the burner 2051 is increased through the heat exchange pipe 204 and the heat exchange sleeve 203, meanwhile, the heat in the exhaust gas is transferred to the heat exchange sleeve 211 through the exhaust pipe 206, the low-temperature air entering the sealing shell 208 exchanges heat with the sleeve 211, the temperature of the air entering the heat exchange sleeve 203 is increased, the temperature of the diesel oil is increased, the combustion efficiency of the diesel oil is increased at the burner 2051, and the combustion efficiency of the burner 2051 is increased.
In the process of heat exchange between the heat dissipation sleeve 211 and the air in the sealing shell 208, the heat remained in the sealing shell 208 exchanges heat with the air in the compartment 101, the temperature of the air in the compartment 101 is increased, the diesel oil in the oil tank 106 in the compartment 101 and the storage battery 107 are heated, the atomization effect of the diesel oil at the burner 2051 is further improved, the normal discharging operation of the storage battery 107 is ensured, the heat exchange efficiency of the flame at the burner 2051 is reduced along with the continuous increase of the temperature of the cooling liquid, the temperature transmitter 111 transmits the detected data to the control module 103, the control module 103 starts the electric push rod 216, the annular elastic plate 215 is in an extending state in an initial state, the extending end of the electric push rod 216 drives the sliding ring 214 to move downwards along with the continuous increase of the temperature of the cooling liquid, the upper end of the annular elastic plate 215 is driven by the sliding ring 214 to move downwards along with the continuous increase of the temperature of the cooling liquid, the annular elastic plate 215 is slowly moved downwards along with the increase of the temperature of the cooling liquid, the annular elastic middle is bent, the gap between the annular elastic plate 215 and the inner wall of the heat exchange sleeve 203 is reduced, the flowing speed of the cooling liquid in the second sealing cavity 2031 is reduced, and the retention time of the cooling liquid in the second sealing cavity 2031 is improved.
When the temperature of the cooling liquid is heated to a preset temperature, a worker starts the armored engine, the armored engine is directly started after being heated, the worker then closes all electronic components in the heating device through the control module 103, and the quick connectors of the connecting pipe 1041 and the drain pipe 205 are disconnected with the armored engine.
Example 3: on the basis of embodiment 2, as shown in fig. 2, the anti-freezing device further comprises a liquid level meter 1042, wherein the liquid level meter 1042 is arranged on the right side of the anti-freezing liquid storage tank, the liquid level meter 1042 is used for monitoring the residual amount of cooling liquid in the anti-freezing liquid storage tank 104 in real time, the cooling liquid is timely added to the anti-freezing liquid storage tank 104 according to the indication of the liquid level meter 1042, the liquid level meter 1042 is positioned on the outer side of the compartment 101, and the indication value of the liquid level meter 1042 is convenient to observe.
As shown in fig. 6, the heating furnace further comprises a heat insulation shell 301, the heat insulation shell 301 is fixedly connected to the outer side of the heating furnace shell 202, an annular cavity is arranged between the heating furnace shell 202 and the heat insulation shell 301, the annular cavity of the heating furnace shell 202 and the annular cavity of the heat insulation shell 301 are in a vacuum state and used for reducing heat dissipation generated by combustion of a combustor 2051, and the heat insulation shell 301 is provided with an exhaust valve 302.
As shown in fig. 2, the electric car further comprises uniformly distributed illumination lamps 4, wherein the uniformly distributed illumination lamps 4 are respectively arranged on the inner side and the outer side of the car cabin 101, the illumination lamps 4 provide brightness for the periphery of the heating device, the fact that a worker can quickly connect the heating device with an armored engine in a dark environment is guaranteed, and the illumination lamps 4 are electrically connected with the storage battery 107 and the control module 103.
When the device is used, a worker extracts air in the annular cavity between the heat preservation shell 301 and the heating furnace shell 202 through the exhaust valve 302, so that the heating furnace shell 202 and the annular cavity of the heat preservation shell 301 are in a vacuum state, heat in the heat exchange sleeve 203 is prevented from diffusing outwards, meanwhile, the liquid level meter 1042 indicates the liquid level of cooling liquid in the antifreeze liquid storage tank 104 in real time, the worker monitors the height in real time according to the liquid level meter 1042, and supplements the cooling liquid in the antifreeze liquid storage tank 104 in time, when the heating device is used and overhauled in the night, the illuminating lamp 4 provides brightness for the periphery of the heating device, the fact that the worker can quickly connect the heating device with an armored engine in the dark environment is ensured, and when the inner part of the compartment 101 is overhauled, the illuminating lamp 4 can also provide brightness.
Example 4: on the basis of the embodiment 3, the using method of the heating device for assisting the low-temperature starting of the armored equipment comprises the following steps of:
s1: a worker connects the quick connectors of the connecting pipe 1041 and the drain pipe 205 with a water outlet and a water inlet of the armored engine respectively, and starts the fan 207 and the electric heating wire 212 through the control module 103, the fan 207 blows air into the heat exchange sleeve 203, and the electric heating wire 212 heats the air entering the heat exchange sleeve 203;
s2: the burner 2051 sprays oil mist to mix with heated air, the burner 2051 ignites the mixed gas of the oil mist and the air, the burner 2051 continuously generates flame, and the control module 103 turns off the electric heating wire 212 after the burner 2051 is ignited;
s3: a worker starts a circulating pump 108 through the control module 103, the circulating pump 108 enables the antifreeze fluid storage tank 104 and the cooling fluid in the armored engine to circulate, the cooling fluid flows along the water inlet pipe 110, the heat exchange pipe 204, the second sealing cavity 2031 and the water outlet pipe 205, flame generated by the burner 2051 heats the circulating cooling fluid, and the heated cooling fluid increases the temperature of the armored engine;
s4: in the process of exhausting waste gas by the exhaust pipe 206, the heat dissipation sleeve 211 is utilized to heat the air entering the sealing shell 208, along with the continuous rise of the temperature of the cooling liquid, the temperature transmitter 111 transmits a signal of the detected temperature to the control module 103, the control module 103 starts the electric push rod 216, the telescopic end of the electric push rod 216 drives the sliding ring 214 to move downwards, the annular elastic plate 215 deforms, and the gap between the annular elastic plate 215 and the heating furnace shell 202 is gradually reduced;
s5: when the temperature of the coolant increases to a preset temperature, the armored engine is then started, and the worker disconnects the quick connector of the connection pipe 1041 and the drain pipe 205 from the armored engine while turning off all the electrical components in the present heating apparatus and resetting it through the control panel.
It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. It will be understood by those skilled in the art that while embodiments of the present invention have been shown and described, it is intended to be limited only by the appended claims, and that numerous changes, modifications, substitutions and alterations may be made hereto without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (7)
1. A heating device for assisting armor equipment low temperature starts, characterized by: comprises a compartment (101), wherein a symmetrical heat-insulating sliding cover (102) is connected to the upper side of the compartment (101), a control module (103) is arranged in the compartment (101), a diesel generator (105) is arranged in the compartment (101), an air inlet pipe and an exhaust gas discharge pipe of the diesel generator (105) are arranged on the outer side of the compartment (101), an oil tank (106) is arranged in the compartment (101), a circulating pump (108) is fixedly connected in the compartment (101) through a mounting plate, the circulating pump (108) is communicated with the anti-freezing liquid storage tank (104) through a conduit, a connecting pipe (1041) is communicated with the anti-freezing liquid storage tank (104), a storage battery (107) is arranged in the compartment (101), after the diesel generator (105) is started, one side, far away from the storage battery (107), of the storage tank (104) is provided with a circulating heating system (109), a water inlet pipe (110) is communicated between the storage tank (104) and the circulating heating system (109), the engine is respectively connected with a water inlet port (109) of the circulating heating system and a cooling device, the circulating system is respectively connected with a water inlet (109) along with a water inlet (armor) of the engine, and a cooling device (111) is arranged in the circulating system, and the water inlet (109) is connected with a circulating device (111), the control module (103) is respectively and electrically connected with the diesel generator (105), the storage battery (107), the circulating pump (108), the circulating heating system (109) and the temperature transmitter (111), and the storage battery (107) is electrically connected with the circulating heating system (109) and the circulating pump (108);
the circulating heating system (109) comprises a supporting frame (201), the supporting frame (201) is fixedly connected to the inner bottom of the compartment (101), a heating furnace shell (202) is fixedly connected to the upper side of the supporting frame (201), a heat exchange sleeve (203) is fixedly connected to the inside of the heating furnace shell (202), the heat exchange sleeve (203) is in sealing fit with the heating furnace shell (202), a second sealing cavity (2031) is arranged between the heat exchange sleeve (203) and the heating furnace shell (202), a heat exchange pipe (204) is fixedly connected to the inner wall of the heat exchange sleeve (203), one end of the heat exchange pipe (204) is communicated with the second sealing cavity (2031), the other end of the heat exchange pipe (204) is communicated with a water inlet pipe (110), a drain pipe (205) is communicated with the second sealing cavity (2031), quick connectors are respectively arranged on the connecting pipe (1041) and the drain pipe (205), a burner (2051) electrically connected with a control panel is arranged in the heating furnace shell (202) through a guide pipe, the burner (2051) is communicated with the oil tank (106), one end of the upper side of the heating furnace shell (202) is communicated with the upper side of the air inlet pipe (206), the lower end of the air inlet pipe (202) is communicated with the air inlet assembly (203) and the air inlet assembly is arranged at one side of the heating furnace shell (101), a flow rate adjusting assembly is arranged in the second sealing cavity (2031) and used for increasing the flow speed of the cooling liquid in the second sealing cavity (2031);
the air inlet heat exchange assembly comprises a fan (207), the fan (207) is fixedly connected to the inner wall of the compartment (101), an air inlet of the fan (207) penetrates through the compartment (101), an exhaust pipe (206) is fixedly and hermetically connected with a sealing shell (208), the fan (207) is communicated with a first air guide pipe (209), the first air guide pipe (209) is communicated with the sealing shell (208), the lower side of the sealing shell (208) is communicated with a second air guide pipe (210), the second air guide pipe (210) is communicated with a heating furnace shell (202), a heat dissipation sleeve (211) is fixedly connected to the outer side of the exhaust pipe (206), the heat dissipation sleeve (211) is positioned in the sealing shell (208), the heat dissipation sleeve (211) is used for increasing the heat dissipation area, the inner wall of the sealing shell (208) is fixedly connected with circumferentially equidistant electric heating wires (212), and the fan (207) and the electric heating wires (212) are respectively electrically connected with a storage battery (107) and a control module (103).
The flow speed adjusting assembly comprises a fixed ring (213), the fixed ring (213) is fixedly connected to the outer wall of the heat exchange sleeve (203), the heat exchange sleeve (203) is connected with a sliding ring (214) in a sliding manner, the sliding ring (214) is located on the upper side of the fixed ring (213), an annular elastic plate (215) is fixedly and hermetically connected between the sliding ring (214) and the fixed ring (213), an electric push rod (216) is arranged on the upper side of the heating furnace shell (202), and the electric push rod (216) is electrically connected with the storage battery (107) and the control module (103).
2. A heating apparatus for assisting low temperature start of armored equipment as claimed in claim 1, wherein: the compartment (101) is provided with a first sealing cavity (1010), heat preservation cotton is filled in the first sealing cavity (1010), and the compartment (101) is used for preserving heat of air in the compartment.
3. A heating apparatus for assisting low temperature start of armored equipment as claimed in claim 1, wherein: an air filter element is arranged at the air inlet of the fan (207) and is used for filtering air entering the heat exchange sleeve (203).
4. A heating apparatus for assisting low temperature start of armored equipment as claimed in claim 1, wherein: the anti-freezing device further comprises a liquid level meter (1042), wherein the liquid level meter (1042) is arranged on one side of the anti-freezing liquid storage tank (104), and the liquid level meter (1042) is positioned on the outer side of the compartment (101).
5. A heating apparatus for assisting low temperature start of armored equipment as claimed in claim 1, wherein: the heating furnace is characterized by further comprising a heat preservation shell (301), wherein the heat preservation shell (301) is fixedly connected to the outer side of the heating furnace shell (202), an annular cavity is arranged between the heating furnace shell (202) and the heat preservation shell (301), and an exhaust valve (302) is arranged on the heat preservation shell (301).
6. A heating apparatus for assisting low temperature start of armored equipment as claimed in claim 1, wherein: the intelligent car further comprises uniformly distributed illuminating lamps (4), wherein the uniformly distributed illuminating lamps (4) are respectively arranged on the inner side and the outer side of the car cabin (101), and the illuminating lamps (4) are electrically connected with a storage battery (107) and a control module (103).
7. A method of using a heating device for assisting low temperature start of an armored equipment, applying a heating device for assisting low temperature start of an armored equipment as claimed in any one of claims 1-6, characterized in that: the method comprises the following steps:
s1: the staff connects the quick connectors of the connecting pipe (1041) and the drain pipe (205) with the water outlet and the water inlet of the armored engine respectively, and starts the fan (207) and the electric heating wire (212) through the control module (103), the fan (207) blows air into the heat exchange sleeve (203), and the electric heating wire (212) heats the air entering the heat exchange sleeve (203);
s2: the burner (2051) sprays oil mist to mix with heated air, the burner (2051) ignites the mixed gas of the oil mist and the air, the burner (2051) continuously generates flame, and the control module (103) turns off the electric heating wire (212) after the burner (2051) ignites;
s3: a worker starts a circulating pump (108) through a control module (103), the circulating pump (108) enables the antifreeze fluid storage tank (104) and the cooling fluid in the armored engine to circulate, the cooling fluid flows along a water inlet pipe (110), a heat exchange pipe (204), a second sealing cavity (2031) and a water outlet pipe (205), flame generated by a burner (2051) heats the circulating cooling fluid, and the heated cooling fluid increases the temperature of the armored engine;
s4: in the process of exhausting waste gas by the exhaust pipe (206), the heat dissipation sleeve (211) is utilized to heat the air entering the sealing shell (208), along with the continuous increase of the temperature of cooling liquid, the temperature transmitter (111) transmits a signal of the detected temperature to the control module (103), the control module (103) starts the electric push rod (216), the telescopic end of the electric push rod (216) drives the sliding ring (214) to move downwards, the annular elastic plate (215) is deformed, and the gap between the annular elastic plate (215) and the heating furnace shell (202) is gradually reduced;
s5: when the temperature of the cooling liquid is increased to a preset temperature, the armored engine is started later, a worker disconnects the quick connectors of the connecting pipe (1041) and the drain pipe (205) from the armored engine, and simultaneously, all electric elements in the heating device are closed and reset through the control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310558780.0A CN116857105B (en) | 2023-05-18 | 2023-05-18 | Heating device for assisting low-temperature starting of armored equipment and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310558780.0A CN116857105B (en) | 2023-05-18 | 2023-05-18 | Heating device for assisting low-temperature starting of armored equipment and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116857105A CN116857105A (en) | 2023-10-10 |
| CN116857105B true CN116857105B (en) | 2024-02-20 |
Family
ID=88231004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310558780.0A Active CN116857105B (en) | 2023-05-18 | 2023-05-18 | Heating device for assisting low-temperature starting of armored equipment and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116857105B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117569909B (en) * | 2024-01-16 | 2024-04-12 | 江苏万泰动力设备有限公司 | Multichannel temperature control type generator set |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4192274A (en) * | 1975-06-09 | 1980-03-11 | Damon Ralph S | Diesel fueled engine coolant heater |
| JP2001132560A (en) * | 1999-10-29 | 2001-05-15 | Denso Corp | Intake heating system |
| CN102425523A (en) * | 2011-11-02 | 2012-04-25 | 三一重机有限公司 | Method for realizing starting preheating by heating cooling liquid and heating system |
| CN206386217U (en) * | 2017-01-11 | 2017-08-08 | 西安森赛尔热能技术有限公司 | A kind of Diesel engine low-temperature heating system |
| CN111664039A (en) * | 2020-06-24 | 2020-09-15 | 北京高鑫伟业科技有限公司 | Engine air inlet preheating system and preheating method thereof |
| CN218479871U (en) * | 2022-11-10 | 2023-02-14 | 程莫洋 | External quick heating device for large diesel engine |
-
2023
- 2023-05-18 CN CN202310558780.0A patent/CN116857105B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4192274A (en) * | 1975-06-09 | 1980-03-11 | Damon Ralph S | Diesel fueled engine coolant heater |
| JP2001132560A (en) * | 1999-10-29 | 2001-05-15 | Denso Corp | Intake heating system |
| CN102425523A (en) * | 2011-11-02 | 2012-04-25 | 三一重机有限公司 | Method for realizing starting preheating by heating cooling liquid and heating system |
| WO2013063906A1 (en) * | 2011-11-02 | 2013-05-10 | 湖南三一智能控制设备有限公司 | Method for heating cooling liquid to start preheating and heating system |
| CN206386217U (en) * | 2017-01-11 | 2017-08-08 | 西安森赛尔热能技术有限公司 | A kind of Diesel engine low-temperature heating system |
| CN111664039A (en) * | 2020-06-24 | 2020-09-15 | 北京高鑫伟业科技有限公司 | Engine air inlet preheating system and preheating method thereof |
| CN218479871U (en) * | 2022-11-10 | 2023-02-14 | 程莫洋 | External quick heating device for large diesel engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116857105A (en) | 2023-10-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116857105B (en) | Heating device for assisting low-temperature starting of armored equipment and use method | |
| CN203756414U (en) | Cooling liquid heating system of vehicle | |
| RU2315190C1 (en) | Power unit to drive high-pressure pump | |
| CN201297767Y (en) | Environment-friendly intelligent remote control automobile air heater | |
| CN218479871U (en) | External quick heating device for large diesel engine | |
| CN118188255A (en) | Quick cold start heating system and method for engine and quick cold start engine | |
| US5003941A (en) | Engine heating unit | |
| CN202451233U (en) | Oil-liquid intelligent heating device for vehicle | |
| CN111664040B (en) | Engine air inlet and antifreezing solution preheating combination system and preheating method thereof | |
| CN212838147U (en) | Engine air intake and antifreeze liquid preheating combined system | |
| CN2906114Y (en) | Liquid fuel oil heater | |
| CN204061020U (en) | Intelligent oil-saving vehicle warmer | |
| CN209430260U (en) | A kind of crankcase bleed pipe anti-icing equipment and vehicle | |
| CN110374779A (en) | A kind of flame charge heating cold-starting device | |
| CN205714547U (en) | A kind of loader cooling starter | |
| CN201372879Y (en) | Engine low-temperature heater | |
| CN219995577U (en) | Hybrid power oil-electricity integrated heater | |
| CN220785399U (en) | Vehicle-mounted special gas wall-mounted furnace | |
| CN111664038B (en) | Engine air inlet and crankcase preheating combined system and preheating method thereof | |
| CN219840714U (en) | Engine oil hot air heating device of engine bottom shell suitable for severe cold district | |
| CN215863366U (en) | Waterproof combustion-supporting air inlet assembly and liquid heater for motor vehicle | |
| CN104234777A (en) | Device universal for low-temperature start of diesel engine | |
| CN103775258A (en) | Fuel heating device for internal combustion engine | |
| CN2453147Y (en) | Preheater for automobile engine | |
| CN219640445U (en) | Electric heater for oil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |