CN213478435U - Urea heating device and vehicle - Google Patents
Urea heating device and vehicle Download PDFInfo
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- CN213478435U CN213478435U CN202021333089.0U CN202021333089U CN213478435U CN 213478435 U CN213478435 U CN 213478435U CN 202021333089 U CN202021333089 U CN 202021333089U CN 213478435 U CN213478435 U CN 213478435U
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The embodiment of the utility model provides a urea heating device and vehicle. The urea heating device comprises a heating pipeline; the first end of the heating pipeline is communicated with a cooling liquid pipeline of the engine, and condensate is discharged from the second end of the heating pipeline; the heating pipeline comprises an electric heating layer and a heating pipe; the electric heating layer comprises a heating layer, a metal wire and a heat conducting layer; the zone of heating parcel is on the outer wall of heating pipe, and metal wire buries underground in the zone of heating, and the heat-conducting layer parcel is on the outer wall of zone of heating. Therefore, the electric heating process and the water heating process can be realized through the heating pipeline. Like this, at the in-process that urea unfreezes, can realize the process of electrical heating and the process of water heating simultaneously through the heating pipeline, need not additionally set up electric heater unit for the holistic volume of urea heating device is less, and then sets up back in the urea jar at the device, can not lead to the fact the influence to the volume of urea jar, and holistic weight is also lighter, is favorable to the lightweight design of device.
Description
Technical Field
The utility model relates to the technical field of automobiles, in particular to urea heating device and vehicle.
Background
With the continuous development of automobile technology, the environmental protection requirement of automobiles is higher and higher. In order to reduce pollution of automobile exhaust, nitrogen oxide in engine exhaust is usually required to be subjected to catalytic reduction treatment to reduce emission of nitrogen oxide. The urea has a catalytic function, so that the nitrogen oxide can generate a chemical reaction and be converted into non-toxic and harmless nitrogen and moisture, so that the effect of purifying tail gas is achieved, and the urea is widely applied to the field of automobiles.
At present, urea freezes at a temperature lower than-11 ℃, so that a urea pipeline is blocked, and the urea cannot be normally sprayed. Therefore, it is generally necessary to heat the engine coolant and introduce it into the urea tank containing urea to allow for rapid thawing of the urea. Or increase urea heating device in the urea pipeline, urea heating device includes electric heating control module and water heating module usually, and electric heating module and water heating module all link to each other with the urea pipeline, and at the in-process of warm-up, can heat the urea way through electric heating control module to reach the purpose that can also heat the urea liquid and unfreeze at the in-process of warm-up.
However, in the process of implementing the present application, the inventors found that at least the following problems exist in the prior art: the electric heating module and the water heating module are two independent modules and need to be connected with a urea pipeline respectively, so that the volume of the whole urea heating device is increased, the device needs to be installed in the urea tank, and once the volume of the device is increased, the device can occupy a larger space of the urea tank, so that the accommodating space of urea in the urea tank is occupied, and the accommodating capacity of the urea tank is influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a urea heating device and vehicle to solve among the prior art problem that electric heating module and water heating module are the great volume of urea heating device that two independent modules caused.
In order to solve the technical problem, the utility model discloses a realize like this:
the utility model discloses a urea heating device, which is connected with an engine and comprises a heating pipeline, wherein the first end of the heating pipeline is communicated with a cooling liquid pipeline of the engine, and condensate is discharged from the second end of the heating pipeline;
the heating pipeline comprises an electric heating layer and a heating pipe;
the electric heating layer comprises a heating layer, a metal wire and a heat-conducting layer, wherein the heating layer is wrapped on the outer wall of the heating pipe, the metal wire is buried in the heating layer, and the heat-conducting layer is wrapped on the outer wall of the heating layer.
Optionally, the heating pipeline is a spiral pipeline.
Optionally, the heating layer includes a first conductive portion and a second conductive portion, and the metal wires include a first metal wire and a second metal wire;
the first metal wire is arranged in the first conductive part, the second metal wire is arranged in the second conductive part, and the first conductive part and the second conductive part are oppositely arranged.
Optionally, the electric heating layer is attached to an outer wall of the heat conducting layer.
Optionally, the heating layer is a semiconductor heating layer, and the heating pipe is a nylon pipe.
Optionally, the thickness of the electric heating layer is less than or equal to 1 mm.
Optionally, the urea heating device further comprises a recovery assembly;
the second end of the heating pipeline is communicated with the recovery assembly.
The embodiment of the utility model provides a vehicle is still provided, this vehicle includes the urea heating device of any above-mentioned embodiment;
the urea heating device is disposed in the urea tank, in which urea is accommodated.
Optionally, the vehicle further comprises a temperature sensor and an electronic control unit;
the power connection end is electrically connected with the temperature sensor, the temperature sensor is electrically connected with the electronic control unit, the temperature sensor is used for monitoring the temperature of the urea, and the electronic control unit is used for controlling the power-on state of the power connection end according to the temperature of the urea.
As can be seen from the above embodiments, in the embodiment of the present invention, the urea heating device includes a heating pipeline; the first end of the heating pipeline is communicated with a cooling liquid pipeline of the engine, and condensate is discharged from the second end of the heating pipeline; the heating pipeline comprises an electric heating layer and a heating pipe; the electric heating layer comprises a heating layer, a metal wire and a heat conducting layer; the zone of heating parcel is on the outer wall of heating pipe, and metal wire buries underground in the zone of heating, and the heat-conducting layer parcel is on the outer wall of zone of heating. Therefore, in the process of warming the engine, the electric heating layer can be heated, so that the urea solution can be heated and thawed in the process of warming, and the exhausted tail gas can be purified when the engine is started. Like this, at the in-process that urea unfreezes, can realize the process of electrical heating and the process of water heating simultaneously through the heating pipeline, need not additionally set up electric heater unit for the holistic volume of urea heating device is less, and then sets up back in the urea jar at the device, can not lead to the fact the influence to the volume of urea jar, can not crowd the accommodation space who accounts for urea in the urea jar, and then guarantees the holding capacity of urea jar.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a urea heating apparatus according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a heating pipeline included in a urea heating apparatus according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
The urea heating apparatus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
The embodiment of the utility model provides a unfreezing of urea heating device mainly used urea, urea storage are in the urea jar, and the device sets up in the urea jar, and the device is connected with the coolant liquid pipeline of engine, and then realizes the unfreezing of urea through the circulation of the coolant liquid of heating in the device. The urea thawing process may be divided into a warming-up process and a heating process. In the warm-up process, because the coolant temperature of engine does not reach the temperature of unfreezing, consequently, at the in-process of engine warm-up, can't accomplish the unfreezing to urea the very first time, the urea heating device that this application provided mainly used solves the problem that the engine can't heat the unfreezing to urea liquid at the in-process of warm-up, and concrete implementation is as follows:
fig. 1 is a schematic structural diagram of a urea heating device according to an embodiment of the present invention, which includes a heating pipeline 1; the first end of the heating pipeline 1 is communicated with a cooling liquid pipeline of the engine, and condensate is discharged from the second end of the heating pipeline 1; the heating pipeline 1 comprises an electric heating layer 11 and a heating pipe 12; as shown in fig. 2, the electric heating layer 11 includes a heating layer 111, a metal wire 112, and a heat conductive layer 113; the heating layer 111 is wrapped on the outer wall of the heating pipe 12, the metal wire 112 is embedded in the heating layer 113, and the heat conduction layer 113 is wrapped on the outer wall of the heating layer 11.
Wherein, the electric heating layer can with connect electrical end 2 electricity and be connected, connect electrical end 2 and can include electrified line and circular telegram contact, the battery connection of the one end and the vehicle of electrified line, the other end and the circular telegram contact of electrified line are connected. The electric heating layer 11 is electrically connected with the electrifying contact, and the electrifying state of the electric heating layer 11 can be controlled by controlling the on-off of the electrifying contact.
The first end of the heating line 1 is connected to the coolant line of the engine so that the coolant of the engine can be used to heat the urea. One end of the heating pipeline 1 is communicated with the first end of the heating pipeline 1, condensate is discharged from the second end of the heating pipeline 1, so that the cooling liquid forms a heating path capable of circulating, the cooling liquid can be introduced into the heating pipeline 1 from the first end of the heating pipeline 1, and after urea is heated, the cooling liquid flows out from the second end of the heating pipeline 1.
The first end of the heating pipeline 1 can be provided with a water cut-off control valve 3, and the water cut-off control valve 3 can be one of electromagnetic control valves and can also be other control valves. When the urea needs to be heated, namely during the water heating process, the water cut-off control valve 3 can be controlled to be in an open state, so that the cooling liquid can enter the heating pipeline 1 to start the heating process of the urea. After the heating of urea is finished, the water cut-off control valve 3 can be controlled to be in a closed state, so that the first end of the heating pipeline 1 is closed, and the heating process of urea is terminated.
It should be noted that, in the process of thawing urea by using the engine coolant, the engine needs to be warmed up, and the temperature of the coolant entering the heating pipeline 1 is insufficient, so that the urea cannot be heated and thawed in the warming up process, and the exhaust gas cannot be purified as soon as possible.
Based on this, in the process of electric heating, the electric heating layer 11 can be in an electrified state through the electric connection terminal 2 in the process of warming up the engine, and the outer part of the electric heating layer 11 can be made of a semiconductor material, such as a semiconductor ceramic material. Because semiconductor material can generate heat under the circumstances of circular telegram, consequently, at the in-process of engine warm-up, for electric heating layer 11 circular telegram for electric heating layer 11 generates heat, and then heats urea through electric heating layer 11, makes also can heat the thawing to the urea liquid at the in-process of warm-up, makes the tail gas of emission just can purify when the engine starts.
The electric heating layer 11 includes a heating layer 111, a metal wire 112, and a heat conductive layer 113. Wherein, the heating layer 111 can be attached to the outer wall of the heating tube 12 by extrusion or adhesion. The metal wire 112 is disposed in the heating layer 111. It should be noted that the heat conduction layer 113 may be a waterproof film having a heat conduction function, so that on one hand, heat generated by the heat conduction layer 113 can enter the urea through the heat conduction layer 113, and on the other hand, the urea can be prevented from entering the heating layer 111 through the heat conduction layer 113. It should also be noted that the metal wire 112 and the electrical connection end 2 are electrically connected, so that in the engine warming-up process, the electrical connection end 2 is used for electrifying the metal wire 112, so that the heating layer 111 generates heat, the heat generated by the heating layer 111 is transferred to the urea through the heat conduction layer 113 to heat the urea, the urea liquid can be heated and thawed in the warming-up process, and the exhausted tail gas can be purified when the engine is started.
It should be further noted that, because the heating layer 111 can be attached to the outer wall of the heating pipe 12 by means of extrusion or bonding, the heat-conducting layer wraps up on the outer wall of the heating layer 11, thus, the electric heating layer 11 and the heating pipe 12 form a whole heating pipeline 1, in the process of urea thawing, the process of electric heating and the process of water heating can be simultaneously realized through the heating pipeline 1, no additional electric heating device needs to be arranged, the whole volume of the urea heating device is small, and further, after the device is arranged in the urea tank, the volume of the urea tank cannot be influenced, and the whole weight is also light, which is beneficial to the light-weighted design of the device. During installation, the electric heating process and the water heating process can be realized only by installing the heating pipeline 1, so that the installation and maintenance difficulty of the urea heating device is reduced.
As can be seen from the above embodiments, in the embodiment of the present invention, the urea heating apparatus includes a heating pipeline 1; the first end of the heating pipeline 1 is communicated with a cooling liquid pipeline of the engine, and condensate is discharged from the second end of the heating pipeline 1; the heating pipeline 1 comprises an electric heating layer 11 and a heating pipe 12; the electric heating layer 11 includes a heating layer 111, a metal wire 112, and a heat conductive layer 113; the heating layer 111 is wrapped on the outer wall of the heating pipe 12, the metal wire 112 is embedded in the heating layer 113, and the heat conduction layer 113 is wrapped on the outer wall of the heating layer 11. Therefore, in the process of warming up the engine, the electric heating layer 11 can be heated, so that the urea solution can be heated and thawed in the process of warming up, and the exhausted tail gas can be purified when the engine is started. Like this, at the in-process that the urea unfreezes, can realize the process of electrical heating and the process of water heating simultaneously through heating pipeline 1, need not additionally set up electric heater unit for the holistic volume of urea heater unit is less, and then sets up back in the urea jar at the device, can not lead to the fact the influence to the volume of urea jar, can not crowd the accommodation space who accounts for urea in the urea jar, and then guarantees the holding capacity of urea jar.
Optionally, the heating pipeline 1 is a spiral pipeline.
Specifically, urea heating device still includes the device main part, and the spiral pipeline is around establishing in the device main part, and the distance between every adjacent both ends spiral pipe is confirmed according to the heating demand, the embodiment of the utility model provides a do not injecing to this. Further, because the heating pipeline 1 is a spiral pipeline, the heating range of the heating pipeline 1 is larger, the heating area of the urea is increased, and the unfreezing time of the urea is further shortened.
Further, the heating layer 111 includes a first conductive portion and a second conductive portion, and the metal wire 112 includes a first metal wire 112 and a second metal wire 112; the first metal wire 112 is disposed in the first conductive portion, the second metal wire 112 is disposed in the second conductive portion, and the first conductive portion and the second conductive portion are disposed opposite to each other.
Specifically, the heating layer 111 may be provided with a first conductive portion and a second conductive portion, which may be convex portions in the heating layer 111, thereby providing a sufficient installation space for the metal wires 112. In addition, the first conductive portion and the second conductive portion can be disposed at opposite positions of the heating layer 111, so that the distribution of the metal wires 112 is uniform, and the heating layer 111 is heated more uniformly. It should be noted that the metal wires 112 may further include a third metal wire 112 and a fourth metal wire 112, and the first metal wire 112, the second metal wire 112 and the third metal wire 112 are uniformly disposed on the circumferential surface of the heating layer 111. In addition, the metal wire 112 is a copper wire, and the copper wire can have both the electric conduction and the heat conduction functions, so that the arrangement of the metal wire 112 on the heating layer 111 does not affect the heat conduction performance of the heating layer 111.
Optionally, the electric heating layer 11 is attached to the outer wall of the heat conducting layer 12.
Specifically, the extrusion molding is a processing mode of extruding and molding a workpiece by using the pressure of a hydraulic machine in the machining of materials such as plastics. The working method is that the workpiece is heated and plasticized while being pushed forward by the screw through the action force between the barrel and the screw of the extruder, and the workpiece is extruded continuously through the head of the extruder to form various section products or semi-products. Through this processing method can realize the zero clearance connection between the different materials, in this application, after extrusion molding between electric heating layer 11 and heating pipe 12, zero clearance between the two, and then can guarantee that the heat in the assembly of heating pipe 12 is when passing through electric heating layer 11 transmission, and the heat can not lose, and then can guarantee the efficiency that the urea unfreezes.
Optionally, the heating layer 111 is a semiconductor heating layer 111, and the heating pipe 12 is a nylon pipe.
Specifically, the material of the semiconductor heating layer 111 may be one of crystalline semiconductor materials such as semiconductor ceramic and silicon oxide, so that the heating layer 111 can conduct heat while generating heat by being electrified. In addition, because the heat resistance and the heat conductivility of nylon materials are better, and the quality is lighter, consequently when heating pipe 12 is the nylon tube, when guaranteeing that heating pipe 12 can bear high-temperature liquid, can be with heat transfer to urea in, and can reduce the holistic weight of urea heating device to a certain extent, be favorable to urea heating device's lightweight design.
Optionally, the thickness of the electric heating layer 11 is less than or equal to 1 mm.
Specifically, when the thickness of electric heating layer 11 is less than or equal to 1mm, on the one hand can be as fast as possible in the heat transfer to the urea that electric heating layer 11 produced in the warm-up process, on the other hand after the warm-up, when heating through heating pipe 12, can shorten thermal propagation path, and then reduce thermal loss, improve urea heating device's thawing efficiency.
Optionally, the urea heating apparatus further comprises a second end of the recovery assembly heating pipeline 1, and the recovery assembly is communicated with the urea heating apparatus.
Specifically, the recycling assembly may include a condensing chamber and a recycling tank, and when the heated cooling fluid flows to the recycling assembly through the second end of the heating pipeline 1, the heated cooling fluid may be condensed through the condensing chamber and then stored or recycled through the recycling tank. Therefore, the condensate can be recycled, and the waste of resources is avoided.
Furthermore, the embodiment of the utility model provides a vehicle is still provided, this vehicle include urea jar and any one of the above-mentioned embodiment urea heating device, urea heating device sets up in the urea jar, holds urea in the urea jar.
Specifically, the urea thawing process may be divided into a warming-up process and a heating process. In the process of warming up, because the temperature of the coolant of the engine does not reach the thawing temperature, in the process of warming up the engine, the electric heating layer 11 can be electrified through the electric connection end 2, so that the electric heating layer 11 generates heat, and then the urea is heated through the electric heating layer 11, so that the urea can be heated and thawed in the process of warming up, the exhausted tail gas can be purified when the engine is started, and the water cut-off control valve 3 is in a closed state at the moment. After the warming-up is finished, the electric connection end 2 can be disconnected, the water cut-off control valve 3 is in a closed state, high-temperature engine cooling liquid enters the heating pipe 12, and heat generated by the cooling liquid in the heating pipe 12 enters the urea through the electric heating layer 11 to continuously heat the urea. After the warming-up is finished, the water cut-off control valve 3 and the electric connection end 2 can be simultaneously in a closed state, the urea is simultaneously heated through the electric heating layer 11 and the heating pipe 12, the problem of unfreezing of the urea under the condition of insufficient heat of the cooling liquid is solved, and the unfreezing rate of the urea can be improved.
Optionally, the vehicle further comprises a temperature sensor and an electronic control unit; the electric connection end 2 is electrically connected with a temperature sensor, the temperature sensor is electrically connected with an electronic control unit, the temperature sensor is used for monitoring the temperature of urea, and the electronic control unit is used for controlling the power-on state of the electric connection end 2 according to the temperature of the urea.
Specifically, temperature sensor can set up in the urea jar, can monitor the condition of unfreezing of urea through temperature sensor, and then can be used for controlling the on-state of connection end 2 in time through the electronic control unit, just stops the power supply of electric heating layer 11 after the warm-up finishes for whole process safety is controllable, and can reduce the energy loss of vehicle to a certain extent.
As can be seen from the above embodiments, in the embodiment of the present invention, the urea heating apparatus includes a heating pipeline 1; the first end of the heating pipeline 1 is communicated with a cooling liquid pipeline of the engine, and condensate is discharged from the second end of the heating pipeline 1; the heating pipeline 1 comprises an electric heating layer 11 and a heating pipe 12; the electric heating layer 11 includes a heating layer 111, a metal wire 112, and a heat conductive layer 113; the heating layer 111 is wrapped on the outer wall of the heating pipe 12, the metal wire 112 is embedded in the heating layer 113, and the heat conduction layer 113 is wrapped on the outer wall of the heating layer 11. Therefore, in the process of warming up the engine, the electric heating layer 11 can be heated, so that the urea solution can be heated and thawed in the process of warming up, and the exhausted tail gas can be purified when the engine is started. Like this, can realize the process of electrical heating and the process of water heating simultaneously through heating pipeline 1 at the in-process that the urea unfreezes, need not additionally set up electric heater unit for the holistic volume of urea heater unit is less, and then sets up back in the urea jar at the device, can not lead to the fact the influence to the volume of urea jar, can not crowd the accommodation space who accounts for urea in the urea jar, and then guarantees the holding capacity of urea jar.
In addition, the heating layer 111 is a semiconductor heating layer 111, and the heating pipe 12 is a nylon pipe. Because the heat resistance and the heat conductivility of nylon materials are better, and the quality is lighter, consequently when heating pipe 12 is the nylon pipe, when guaranteeing that heating pipe 12 can bear high-temperature liquid, can be with heat transfer to urea in, and can reduce the holistic weight of urea heating device to a certain extent, be favorable to urea heating device's lightweight design.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or terminal equipment comprising the element.
The technical solution provided by the present invention is described in detail above, and the principle and the implementation of the present invention are explained by applying specific examples, and the description of the above examples is only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, and in summary, the content of the present specification should not be understood as the limitation of the present invention.
Claims (9)
1. A urea heating device is connected with an engine and is characterized by comprising a heating pipeline;
a first end of the heating pipeline is communicated with a cooling liquid pipeline of the engine, and a second end of the heating pipeline is used for discharging condensate for heating the urea;
the heating pipeline comprises an electric heating layer and a heating pipe;
the electric heating layer comprises a heating layer, a metal wire and a heat-conducting layer, wherein the heating layer is wrapped on the outer wall of the heating pipe, the metal wire is buried in the heating layer, and the heat-conducting layer is wrapped on the outer wall of the heating layer.
2. The urea heating apparatus of claim 1, wherein the heating line is a spiral line.
3. The urea heating apparatus of claim 1, wherein the heating layer comprises a first conductive portion and a second conductive portion, the metal wires comprising a first metal wire and a second metal wire;
the first metal wire is arranged in the first conductive part, the second metal wire is arranged in the second conductive part, and the first conductive part and the second conductive part are oppositely arranged.
4. The urea heating apparatus of claim 1, wherein the electrical heating layer is attached to an outer wall of the heat conductive layer.
5. The urea heating apparatus of claim 1, wherein the heating layer is a semiconductor heating layer and the heating tube is a nylon tube.
6. The urea heating apparatus of claim 1, wherein the thickness of the electrical heating layer is less than or equal to 1 mm.
7. The urea heating apparatus of claim 1, further comprising a recovery assembly;
the second end of the heating pipeline is communicated with the recovery assembly.
8. A vehicle, characterized in that the vehicle comprises a urea tank and a urea heating device according to any one of claims 1-7;
the urea heating device is disposed in the urea tank, in which urea is accommodated.
9. The vehicle of claim 8, further comprising a temperature sensor and an electronic control unit;
the electric heating layer is connected with the electricity connection end, the electricity connection end is connected with the temperature sensor electricity, the temperature sensor with the electronic control unit electricity is connected, wherein, the temperature sensor is used for monitoring the temperature of urea, the electronic control unit is used for the basis the temperature control of urea connect the circular telegram state of end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202021333089.0U CN213478435U (en) | 2020-07-08 | 2020-07-08 | Urea heating device and vehicle |
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| CN202021333089.0U CN213478435U (en) | 2020-07-08 | 2020-07-08 | Urea heating device and vehicle |
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| CN213478435U true CN213478435U (en) | 2021-06-18 |
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