CN113047926A - Urea supply device and vehicle - Google Patents
Urea supply device and vehicle Download PDFInfo
- Publication number
- CN113047926A CN113047926A CN202110382421.5A CN202110382421A CN113047926A CN 113047926 A CN113047926 A CN 113047926A CN 202110382421 A CN202110382421 A CN 202110382421A CN 113047926 A CN113047926 A CN 113047926A
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- Prior art keywords
- controller
- switch
- terminal
- urea
- electrically connected
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 239000004202 carbamide Substances 0.000 title claims abstract description 90
- 238000010438 heat treatment Methods 0.000 claims abstract description 82
- 230000005611 electricity Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims 1
- 238000007710 freezing Methods 0.000 abstract description 7
- 230000008014 freezing Effects 0.000 abstract description 7
- 239000000945 filler Substances 0.000 abstract description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N9/00—Electrical control of exhaust gas treating apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1406—Storage means for substances, e.g. tanks or reservoirs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1486—Means to prevent the substance from freezing
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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
-
- 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
- Y02T10/40—Engine management systems
Abstract
The application provides a urea feeding device and vehicle, wherein, urea feeding device includes container, heating member and controller, is equipped with the cavity in the container, is equipped with the filler on the container, filler and cavity intercommunication contain urea solution in the cavity, and the container outer wall is located to the heating member, or arranges in the cavity. The controller is arranged outside the container, the first end of the controller is electrically connected with the first end of the heating element, the second end of the controller is electrically connected with the second end of the heating element, and the controller is used for controlling the heating element to heat the urea solution. The heating element is arranged to heat the urea solution, so that the urea solution in the container and at the filling port can be prevented from freezing, and the reliability of the urea supply device is improved.
Description
Technical Field
The present application relates to a urea supply field, especially relates to a urea feeding device and vehicle.
Background
The tail gas of the vehicle contains toxic and harmful nitrogen oxides, which can cause harm to human bodies and the environment. In order to solve the problem, a urea supply device is usually added in the exhaust emission path, and nitrogen oxides in the exhaust and urea in the urea supply device are subjected to chemical reaction to generate nontoxic and harmless nitrogen and water, and then the nitrogen and water are discharged to the outside, so that the harm of the vehicle exhaust to human bodies and the environment can be reduced.
At present, in a urea supply device, urea in a container is easy to freeze in cold weather, so that the urea supply is not smooth. The urea filling port is also prone to freezing in cold weather, resulting in failure to add urea. Namely, the urea supply device in the prior art has the problem of poor reliability.
Content of application
The embodiment of the application provides a urea feeding device and a vehicle, and solves the problem that the reliability of the urea feeding device is poor.
In order to achieve the above object, in a first aspect, an embodiment of the present application provides a urea supply device, including a container, a heating element, and a controller, where a cavity is disposed in the container, a filling port is disposed on the container, the filling port is communicated with the cavity, and a urea solution is contained in the cavity;
the heating element is arranged on the outer wall of the container or in the cavity;
the controller is located outside the container, the first end of controller with the first end electricity of heating member is connected, the second end of controller with the second end electricity of heating member is connected, the controller is used for controlling the heating member is right the urea solution heating.
Optionally, the heating element is wound on the outer wall of the container in a threaded manner.
Optionally, the heating element is a heating belt or a resistance wire.
Optionally, the device further includes a temperature sensor, the temperature sensor is disposed in the cavity and electrically connected to the third end of the controller, the temperature sensor is configured to acquire a temperature value, and the temperature sensor is further configured to control on/off of the controller.
Optionally, the controller includes a first power source and a first switch, a first end of the first power source is electrically connected to a first end of the first switch, a second end of the first switch is a first end of the controller, a second end of the first power source is a second end of the controller, and a control end of the first switch is a third end of the controller;
and under the condition that the temperature value reaches a first preset value, the temperature sensor controls the controller to be conducted, and the first switch is in a closed state.
Optionally, the controller includes a second power supply and a second switch, a stationary end of the second switch is electrically connected to a first end of the second power supply, a first moving end of the second switch is a first end of the controller, a second moving end of the second switch is electrically connected to a second end of the second power supply, a second end of the second power supply is a second end of the controller, and a control end of the second switch is a third end of the controller;
under the condition that the temperature value reaches a second preset temperature, the temperature sensor controls the controller to be disconnected, the second switch is in a first working state, and the first working state is that the fixed end of the second switch is communicated with the second movable end.
Optionally, the controller further includes a third switch, a first end of the third switch is electrically connected to the first end of the second power supply, and a first end of the third switch is electrically connected to the stationary end of the second switch.
Optionally, the controller further comprises a first display and a second display, a first end of the first display is electrically connected to the second end of the heating element, and a second end of the first display is electrically connected to the second end of the second power supply;
the first end of the second display is electrically connected with the second movable end, and the second end of the second display is electrically connected with the second end of the second power supply.
Optionally, the device further comprises an insulating layer, and the insulating layer wraps the outer wall of the container.
In a second aspect, an embodiment of the present application provides a vehicle including a urea supply device as described in the first aspect.
In the embodiment of the application, urea feeding device includes container, heating member and controller, is equipped with the cavity in the container, is equipped with the filler on the container, filler and cavity intercommunication contain urea solution in the cavity, and the heating member is located the container outer wall, or is arranged in the cavity. The controller is arranged outside the container, the first end of the controller is electrically connected with the first end of the heating element, the second end of the controller is electrically connected with the second end of the heating element, and the controller is used for controlling the heating element to heat the urea solution. The heating element is arranged to heat the urea solution, so that the urea solution in the container and at the filling port can be prevented from freezing, and the reliability of the urea supply device is improved.
Drawings
For a clear explanation of the technical solutions in the embodiments of the present application, the drawings of the specification are described below, it is obvious that the following drawings are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the listed drawings without any inventive effort.
Fig. 1 is a schematic structural diagram of a urea supply device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. On the basis of the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without any creative effort belong to the protection scope of the present application.
In a first aspect, referring to fig. 1, an embodiment of the present application provides a urea supply device, including a container 1, a heating element 2, and a controller, where a cavity is disposed in the container 1, a filling port 3 is disposed on the container 1, the filling port 3 is communicated with the cavity, and a urea solution is contained in the cavity;
the heating element 2 is arranged on the outer wall of the container 1 or is arranged in the cavity;
the controller is arranged outside the container 1, the first end of the controller is electrically connected with the first end of the heating element 2, the second end of the controller is electrically connected with the second end of the heating element 2, and the controller is used for controlling the heating element 2 to heat the urea solution.
Specifically, the container 1 may be cylindrical or rectangular, and the material of the container 1 should be acid-base corrosion-resistant plastic. The heating element 2 can be arranged in the cavity to directly heat the urea solution, and can also be attached to or wound on the outer wall of the container 1 to indirectly heat the urea solution. The controller is a device with a switch function, when the controller is switched on, the heating element 2 works, and the temperature of the urea solution is gradually increased under the action of the heating element 2; when the controller is disconnected, the heating element 2 stops working, and the heating element 2 does not influence the temperature of the urea solution. The urea solution is raised in temperature by the heating element 2, so that freezing of the urea solution in cold weather is avoided. Therefore, the urea solution in the container 1 can be prevented from freezing, so that the urea is not smoothly supplied, and the urea filling port 3 is frozen, so that the urea can not be added, and the reliability of the urea supply device is improved.
In the embodiment of the application, urea feeding device includes container, heating member and controller, is equipped with the cavity in the container, is equipped with the filler on the container, filler and cavity intercommunication contain urea solution in the cavity, and the heating member is located the container outer wall, or is arranged in the cavity. The controller is arranged outside the container, the first end of the controller is electrically connected with the first end of the heating element, the second end of the controller is electrically connected with the second end of the heating element, and the controller is used for controlling the heating element to heat the urea solution. The heating element is arranged to heat the urea solution, so that the urea solution in the container and at the filling port can be prevented from freezing, and the reliability of the urea supply device is improved.
Referring to fig. 1, in order to improve the heating efficiency of the heating member 2, the heating member 2 may be spirally wound around the outer wall of the container 1. By winding the heating member 2 on the outer wall of the container 1 in a screw thread shape, the contact area between the heating member 2 and the heating object can be increased, and more heat can be transferred to the heating object in unit time, thereby improving the heating efficiency of the heating member 2.
Optionally, the heating element 2 is a heating belt or a resistance wire. The heating element 2 can be a winding type heating belt, is uniformly wound on the outer wall of the container 1, can also be a resistance wire wound on the outer wall of the container 1, and can heat the urea solution after the resistance wire is electrified. The specific form of the heating member 2 may be selected according to practical circumstances and is not limited to the two forms mentioned herein.
Optionally, the device further includes a temperature sensor 4, the temperature sensor 4 is disposed in the cavity and electrically connected to the third end of the controller, the temperature sensor 4 is configured to acquire a temperature value, and the temperature sensor 4 is further configured to control on/off of the controller.
Specifically, the temperature sensor 4 may be located at the bottom of the cavity, and contact with the urea solution to obtain the temperature of the urea solution. When the temperature value detected by the temperature sensor 4 reaches a preset temperature value, for example, 35 degrees, the temperature sensor 4 can send an electric signal, and the controller is controlled to be disconnected, so that the heating element 2 stops working. The heating element 2 works continuously to raise the temperature of the urea solution, so that the urea solution can reach boiling point and volatilize, and the problem of low reliability of the urea device is solved without practical necessity. Because, the temperature of the urea solution is only required to be maintained above 0 ℃, and the urea solution can be ensured not to be frozen.
Urea feeding device can also include alarm device, and temperature sensor 4 is connected with alarm device electricity, and when the temperature value that temperature sensor 4 detected reached warning temperature value 0 degree, temperature sensor 4 can send electrical signal, makes alarm device report to the police, reminds user of service personnel urea solution to have the risk of freezing, and meanwhile, temperature sensor 4 also sends electrical signal, and the control controller switches on, makes 2 work of heating member, heats urea solution.
Through setting up temperature sensor 4, can monitor the temperature of urea solution among the urea feeding device to the temperature of better control urea solution avoids the solution to freeze, has further improved urea feeding device's reliability.
Optionally, the controller includes a first power source and a first switch, a first end of the first power source is electrically connected to a first end of the first switch, a second end of the first switch is a first end of the controller, a second end of the first power source is a second end of the controller, and a control end of the first switch is a third end of the controller;
and under the condition that the temperature value reaches a first preset value, the temperature sensor 4 controls the controller to be conducted, and the first switch is in a closed state.
Specifically, when the controller includes the first power source and the first switch, the first switch is in a closed state, and the controller is turned on. The first preset value can be 1 degree, when the temperature value detected by the temperature sensor 4 is 1 degree, the first switch is closed, the first power supply, the first switch and the heating element 2 form a closed loop, the heating element 2 works, and the temperature of the urea solution is gradually increased under the action of the heating element 2.
Optionally, referring to fig. 1, the controller includes a second power supply 5 and a second switch 6, a stationary end of the second switch 6 is electrically connected to a first end of the second power supply 5, a first moving end of the second switch 6 is a first end of the controller, a second moving end of the second switch 6 is electrically connected to a second end of the second power supply 5, a second end of the second power supply 5 is a second end of the controller, and a control end of the second switch 6 is a third end of the controller;
under the condition that the temperature value reaches the second preset temperature, the temperature sensor 4 controls the controller to be disconnected, the second switch 6 is in a first working state, and the first working state is that the fixed end of the second switch 6 is communicated with the second movable end.
Specifically, when the controller includes the second power supply 5 and the second switch 6, the second switch 6 is in the first working state, that is, the stationary end of the second switch 6 is connected to the second moving end, and the controller is disconnected; the second switch 6 is in a second working state, that is, the stationary end of the second switch 6 is communicated with the first moving end, and the controller is switched on.
The second preset temperature value can be 30 degrees, when the temperature value detected by the temperature sensor 4 reaches 30 degrees, the fixed end of the second switch 6 is communicated with the second movable end, and the heating element 2 stops working. When the temperature value detected by the temperature sensor 4 is less than 30 ℃, the fixed end of the second switch 6 is communicated with the first movable end, the heating element 2 works, and the temperature of the urea solution is gradually increased under the action of the heating element 2.
When the controller comprises the second power supply 5 and the second switch 6, the controller further comprises a third switch 7, wherein a first end of the third switch 7 is electrically connected with a first end of the second power supply 5, and a first end of the third switch 7 is electrically connected with a fixed end of the second switch 6.
Specifically, the third switch 7 may function as a master switch, and the third switch 7 may be a common knife switch. When the third switch 7 is turned off, the heating member 2 stops operating regardless of whether the second switch 6 is in the first operating state or the second operating state. Only when the third switch 7 is closed and the stationary end of the second switch 6 is in communication with the first movable end, the heating element 2 is operated and the urea solution gradually increases in temperature under the action of the heating element 2.
In order to inform the working state of the urea supply device to the user, the controller further comprises a first display 8 and a second display 9, wherein a first end of the first display 8 is electrically connected with a second end of the heating element 2, and a second end of the first display 8 is electrically connected with a second end of the second power supply 5;
the first end of the second display 9 is electrically connected to the second movable end, and the second end of the second display 9 is electrically connected to the second end of the second power supply 5.
Specifically, the first display 8 may be a green indicator light, and the second display 9 may be a red indicator light. The green indicator light is on, which indicates that the heating element 2 stops working; the red indicator light is on indicating that the heating member 2 is operating. The user can judge the working state of the heating element 2 according to the states of the first display 8 and the second display 9, and reliable information is obtained.
As an example, referring to fig. 1, the urea supplying apparatus includes a container 1, a heating member 2, a temperature sensor 4, and a controller including a second power source 5, a second switch 6, a third switch 7, a first display 8, and a second display 9. The second switch 6 is an electromagnetic two-way switch, and in an initial state, the fixed end of the electromagnetic two-way switch is communicated with the first movable end. The third switch 7 is a push-button switch, the first display 8 is a green indicator light, and the second display 9 is a red indicator light. When the urea solution needs to be heated, the third switch 7 is closed, the red indicator light is turned on, and the heating element 2 works. When the temperature that temperature sensor 4 detected reached second preset temperature value for example 30 degrees, temperature sensor 4 sent electric signal control electromagnetism two way switch's motionless end and the disconnection of first end of moving, moved the end intercommunication with the second, and green pilot lamp is bright. At this time, the third switch 7 is turned off, the heating member 2 stops operating, and the electromagnetic bidirectional switch returns to the initial state.
Optionally, the device further comprises an insulating layer 10, and the insulating layer 10 wraps the outer wall of the container 1. The material of the heat-insulating layer 10 can be asbestos or rock wool, and the heat can be prevented from being excessively lost by wrapping the heat-insulating layer 10 on the outer wall of the container 1.
In a second aspect, an embodiment of the present application provides a vehicle, including the urea supply device provided in the foregoing embodiment, and the structure and the operation principle of the urea supply device may refer to the foregoing embodiment, which is not described herein again. Since the vehicle provided by the embodiment of the present application includes the urea supply device of the above embodiment, the vehicle provided by the embodiment of the present application has all the beneficial effects of the urea supply device of the above embodiment.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A urea supply device is characterized by comprising a container, a heating element and a controller, wherein a cavity is arranged in the container, a filling port is arranged on the container and communicated with the cavity, and urea solution is contained in the cavity;
the heating element is arranged on the outer wall of the container or in the cavity;
the controller is located outside the container, the first end of controller with the first end electricity of heating member is connected, the second end of controller with the second end electricity of heating member is connected, the controller is used for controlling the heating member is right the urea solution heating.
2. The urea supply of claim 1, wherein the heating element is threaded around the outer wall of the vessel.
3. The urea supply device according to claim 2, wherein the heating member is a heating belt or a resistance wire.
4. The urea supply device according to claim 1, further comprising a temperature sensor, wherein the temperature sensor is disposed in the cavity and electrically connected to a third terminal of the controller, the temperature sensor is configured to obtain a temperature value, and the temperature sensor is further configured to control on/off of the controller.
5. The urea supply apparatus according to claim 4, wherein the controller includes a first power source and a first switch, a first terminal of the first power source is electrically connected to a first terminal of the first switch, a second terminal of the first switch is a first terminal of the controller, a second terminal of the first power source is a second terminal of the controller, and a control terminal of the first switch is a third terminal of the controller;
and under the condition that the temperature value reaches a first preset value, the temperature sensor controls the controller to be conducted, and the first switch is in a closed state.
6. The urea supply apparatus according to claim 4, wherein the controller includes a second power source and a second switch, a stationary terminal of the second switch is electrically connected to a first terminal of the second power source, a first moving terminal of the second switch is a first terminal of the controller, a second moving terminal of the second switch is electrically connected to a second terminal of the second power source, the second terminal of the second power source is a second terminal of the controller, and a control terminal of the second switch is a third terminal of the controller;
under the condition that the temperature value reaches a second preset temperature, the temperature sensor controls the controller to be disconnected, the second switch is in a first working state, and the first working state is that the fixed end of the second switch is communicated with the second movable end.
7. The urea supply of claim 6, wherein the controller further comprises a third switch, a first end of the third switch being electrically connected to a first end of the second power source, a first end of the third switch being electrically connected to a stationary end of the second switch.
8. The urea supply apparatus of claim 6, wherein the controller further comprises a first display and a second display, a first end of the first display being electrically connected to the second end of the heating element, a second end of the first display being electrically connected to the second end of the second power supply;
the first end of the second display is electrically connected with the second movable end, and the second end of the second display is electrically connected with the second end of the second power supply.
9. The urea supply of claim 1, further comprising insulation that surrounds the outer wall of the vessel.
10. A vehicle characterized by comprising a urea supply device according to any one of claims 1 to 9.
Priority Applications (1)
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| CN202110382421.5A CN113047926A (en) | 2021-04-09 | 2021-04-09 | Urea supply device and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110382421.5A CN113047926A (en) | 2021-04-09 | 2021-04-09 | Urea supply device and vehicle |
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| CN113047926A true CN113047926A (en) | 2021-06-29 |
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| DE102005003583A1 (en) * | 2005-01-26 | 2006-07-27 | L'orange Gmbh | Electrically heating exhaust gas purification plant, especially in combustion engine, to thaw frozen reducing agent in feed pump, uses continuous current or high frequency current impulses supplied to coil |
| CN204572137U (en) * | 2015-02-27 | 2015-08-19 | 上海通用汽车有限公司 | A kind of motor vehicle diesel urea system |
| CN104887103A (en) * | 2015-06-08 | 2015-09-09 | 广东美的厨房电器制造有限公司 | Oven and status indicator circuit thereof |
| KR20150108498A (en) * | 2014-03-17 | 2015-09-30 | 주식회사 더원 | Heating apparatus for controlling temperature of urea water solution |
| CN107013782A (en) * | 2017-05-26 | 2017-08-04 | 凯龙高科技股份有限公司 | A kind of hot type integral type urea tube |
| CN212050510U (en) * | 2020-02-28 | 2020-12-01 | 河南弘康环保科技有限公司 | Skid-mounted automobile-used urea case |
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| DE102005003583A1 (en) * | 2005-01-26 | 2006-07-27 | L'orange Gmbh | Electrically heating exhaust gas purification plant, especially in combustion engine, to thaw frozen reducing agent in feed pump, uses continuous current or high frequency current impulses supplied to coil |
| KR20150108498A (en) * | 2014-03-17 | 2015-09-30 | 주식회사 더원 | Heating apparatus for controlling temperature of urea water solution |
| CN204572137U (en) * | 2015-02-27 | 2015-08-19 | 上海通用汽车有限公司 | A kind of motor vehicle diesel urea system |
| CN104887103A (en) * | 2015-06-08 | 2015-09-09 | 广东美的厨房电器制造有限公司 | Oven and status indicator circuit thereof |
| CN107013782A (en) * | 2017-05-26 | 2017-08-04 | 凯龙高科技股份有限公司 | A kind of hot type integral type urea tube |
| CN212050510U (en) * | 2020-02-28 | 2020-12-01 | 河南弘康环保科技有限公司 | Skid-mounted automobile-used urea case |
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Application publication date: 20210629 |