CN112096492A

CN112096492A - Integrated form urea case assembly

Info

Publication number: CN112096492A
Application number: CN202011235439.4A
Authority: CN
Inventors: 鞠焕鹏
Original assignee: Shandong Atk Environmental Protection Technology Co ltd
Current assignee: Shandong Atk Environmental Protection Technology Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2020-12-18

Abstract

The invention relates to the technical field of urea tanks, in particular to an integrated urea tank assembly which comprises a liquid tank, wherein a pump protection box is welded on the front surface of the liquid tank, a controller is installed on the front surface of the pump protection box, a liquid pump is installed on the lower surface inside the pump protection box, an access door is rotatably installed on the front surface of the upper end of the pump protection box, a liquid spraying pipe is arranged on the upper surface of the pump protection box, a liquid guide pipe is installed at the lower end inside the liquid tank, a filter head is installed at the rear end of the liquid guide pipe, a liquid level sensor and a temperature sensor are installed inside the liquid tank, and an exhaust valve is installed on the upper surface of the liquid tank. The anti-theft pump is provided with the protection structure, so that the adhesion of dust is reduced, the problem that the aging of the pump is accelerated due to the exposure to the sun and the rain is solved, the liquid adding port is locked in the protection structure, the anti-theft function can be realized, and the sensing information independent display structure is arranged.

Description

Integrated form urea case assembly

Technical Field

The invention relates to the technical field of urea tanks, in particular to an integrated urea tank assembly.

Background

The urea tank is a urea storage tank, also called a urea box, urea solution is filled in the urea tank, the urea tank is mainly used for trucks and buses, after vehicle exhaust passes through the urea tank, the exhaust reaches the national IV standard, the emission standard of the national IV and the European IV standards implemented in 2008, urea aqueous solution is required in a diesel engine emission reduction system, the urea tank is used for storing the urea aqueous solution, in order to reduce the emission of NOX of harmful gas in automobiles, the SCR selective reduction technology is widely adopted internationally, and the principle of SCR tail gas treatment is that the urea aqueous solution reacts with NOX to generate pollution-free nitrogen and water.

The Chinese patent discloses an integrated urea box assembly (No. CN 207583471U), compared with the prior art, the structure strength and the light weight are considered, however, the integrated urea box assembly on the market is generally provided with an external pump circuit, no protection structure exists, the neatness of the circuit is poor, the connection is easily interrupted due to the fact that the circuit is touched by mistake, animals such as mice gnaw the circuit, the damage is caused, a large amount of dust can be accumulated when a vehicle runs for a long time, the heat dissipation of the pump is influenced, the aging of the pump is accelerated due to exposure to rain, the service life of the device is not prolonged, the liquid filling openings of most devices are exposed outside the device, people who maliciously damage the urea box can take advantage of the device, the vehicle body is damaged due to stealing and adding other substances, the use safety of the device is not facilitated, the device cannot be prevented from being stolen, most of the integrated urea box assembly is not provided with a sensing information, the running condition of the device can not be conveniently watched during maintenance, and when the device sensor is disconnected with the display inside the vehicle body, information can not be watched, and liquid can not be timely added for maintenance. Accordingly, one skilled in the art provides an integrated urea tank assembly to solve the problems set forth in the background above.

Disclosure of Invention

The present invention is directed to an integrated urea tank assembly to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an integrated form urea case assembly, includes the liquid case, the front surface welding of liquid case has the pump machine guard box, the preceding surface mounting of pump machine guard box has the controller, the inside under surface mounting of pump machine guard box has the liquid pump, the access door is installed in the rotation of the upper end front surface of pump machine guard box, the upper surface of pump machine guard box is provided with the hydrojet pipe, the catheter is installed to the inside lower extreme of liquid case, the filter head is installed to the rear end of catheter, the internally mounted of liquid case has level sensor and temperature sensor, the last surface mounting of liquid case has discharge valve, one side surface mounting of pump machine guard box has the radiator-grid.

As a further scheme of the invention: the hinge is installed to the front surface one end of access door, the tool to lock is installed to the front surface other end of access door, and the upper end welding of liquid feeding component has the funnel, the internally mounted of funnel has the liquid feeding stopper, the lower extreme through-welding of liquid feeding component has spacing pipe.

As a still further scheme of the invention: the front surface mounting of controller has the display screen, the on & off switch is installed to the front surface one side of controller, the inside lower surface mounting of controller has the control mainboard.

As a still further scheme of the invention: the output end of the liquid guide pipe is in through connection with the input end of the liquid pump, and the output end of the liquid pump is in through connection with the input end of the liquid spraying pipe.

As a still further scheme of the invention: the input end electrodes of the liquid level sensor, the temperature sensor and the liquid pump are connected with the output end of the controller, and the input end electrodes of the controller are connected with the output end of the electric connecting wire.

As a still further scheme of the invention: the liquid tank and the pump protection box are both made of corrosion-resistant high-density polyethylene materials, the heat dissipation net is a chemical fiber filter screen, and dust filtration cotton is arranged inside the heat dissipation net.

As a still further scheme of the invention: one side of access door is connected with the front surface one side rotation of pump machine guard box through the hinge, the opposite side of access door passes through the tool to lock at the front surface opposite side of pump machine guard box, the liquid feeding component passes through spacing pipe through-going connection with the front surface upper end of liquid case.

As a still further scheme of the invention: and the output end electrode of the control main board is connected with the display screen and the input end of the on-off key.

Compared with the prior art, the invention has the beneficial effects that: the invention is provided with a protection structure, the circuit is internally provided with a cleaner circuit, the connection interruption caused by the mistaken circuit collision is avoided, animals such as mice and the like are prevented from gnawing the circuit and damaging the circuit, the adhesion of dust is reduced, the aging problem of a pump machine accelerated by sun and rain is avoided, the service life of the device is prolonged, the liquid adding opening is locked in the protection structure, the problem that a person maliciously damaging a urea box can take advantage of the protection structure, the problem that the vehicle body is damaged due to the stealing and the addition of other substances is avoided, the use safety of the device is facilitated, the device can be prevented from being stolen, the sensing information independent display structure is arranged, and the operation condition of the device can be conveniently watched during.

Drawings

FIG. 1 is a schematic diagram of an integrated urea tank assembly;

FIG. 2 is a perspective view of a tank in an integrated urea tank assembly;

FIG. 3 is a perspective view of a pump protection box in an integrated urea tank assembly;

FIG. 4 is a schematic diagram of a liquid feeding component of an integrated urea tank assembly;

FIG. 5 is a perspective view of a controller in an integrated urea tank assembly.

In the figure: 1. a liquid tank; 2. a pump protection box; 3. an access door; 4. a controller; 5. a liquid spraying pipe; 6. an electrical connection; 7. a liquid level sensor; 8. a liquid adding member; 9. a liquid pump; 10. a temperature sensor; 11. a catheter; 12. a filter head; 13. a hinge; 14. a lock; 15. a funnel; 16. a liquid adding plug; 17. a limiting pipe; 18. a control main board; 19. a display screen; 20. an on-off key; 21. an exhaust valve; 22. a heat-dissipating network.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, in the embodiment of the present invention, an integrated urea tank assembly includes a liquid tank 1, a pump protection box 2 is welded on a front surface of the liquid tank 1, a controller 4 is installed on a front surface of the pump protection box 2, a liquid pump 9 is installed on a lower surface inside the pump protection box 2, an access door 3 is rotatably installed on a front surface of an upper end of the pump protection box 2, a liquid spraying pipe 5 is installed on an upper surface of the pump protection box 2, a liquid guide pipe 11 is installed on a lower end inside the liquid tank 1, a filter head 12 is installed on a rear end of the liquid guide pipe 11, a liquid level sensor 7 and a temperature sensor 10 are installed inside the liquid tank 1, an exhaust valve 21 is installed on an upper surface of the liquid tank 1, a heat dissipation net 22 is installed on an outer surface of one side of the pump protection box 2, an output end of the liquid guide pipe 11 is connected to an input end of the, the liquid level sensor 7, the temperature sensor 10 and the input end electrode of the liquid pump 9 are connected with the output end of the controller 4, the input end electrode of the controller 4 is connected with the output end of the electric connecting line 6, the liquid tank 1 and the pump protection box 2 are both made of corrosion-resistant high-density polyethylene materials, the heat dissipation net 22 is a chemical fiber filter net, dust filter cotton is arranged in the heat dissipation net 22, firstly, the device is installed on a vehicle needing to be provided with a urea tank assembly by a taking-out device, a liquid spraying pipe 5 is connected with a urea liquid spraying device on the vehicle body, the electric connecting line 6 is connected with a control circuit in the vehicle body, an access door 3 is opened by rotating, urea is guided into the liquid tank 1 through a liquid adding component 8, then, the use is started, the vehicle controller controls the liquid pump 9 to run through the electric connecting line 6 and the controller 4, the liquid pump 9 extracts the urea in the liquid tank 1 through a filter head 12, and the, high-pressure gas that the inside urea of liquid tank 1 produced passes through discharge valve 21 and discharges, the heat that 9 works of liquid pump produced is replaced through radiator-grid 22, the liquid level of 1 inside of level sensor 7 real-time detection liquid tank, the temperature of 1 inside of temperature sensor 10 real-time detection liquid tank, when 1 inside liquid of liquid tank freezes, level sensor 7 heats, avoid the freezing influence operation of urea, can press through the inside temperature liquid level information of 4 display device of controller, casing pump machine guard box 2 protects liquid pump 9 and liquid feeding component 8 in the use.

In fig. 3, 4: a hinge 13 is arranged at one end of the front surface of the access door 3, a lock 14 is arranged at the other end of the front surface of the access door 3, a funnel 15 is welded at the upper end of a liquid adding component 8, a liquid adding plug 16 is arranged inside the funnel 15, a limiting pipe 17 is welded at the lower end of the liquid adding component 8 in a penetrating way, one side of the access door 3 is rotatably connected with one side of the front surface of the pump machine protection box 2 through the hinge 13, the other side of the access door 3 is locked at the other side of the front surface of the pump machine protection box 2 through the lock 14, the liquid adding component 8 is communicated with the upper end of the front surface of the liquid box 1 through the limiting pipe 17, the access door 3 is opened through the rotation of the hinge 13, the liquid feeding plug 16 in the funnel 15 is taken out, urea is fed into the liquid feeding component 8 through the funnel 15, the urea in the liquid feeding component 8 is guided into the liquid box 1 through the limiting pipe 17, and the limiting pipe 17 limits the liquid level in the liquid box 1.

In fig. 5: the front surface of controller 4 installs display screen 19, and on & off switch 20 is installed to front surface one side of controller 4, and the inside lower surface mounting of controller 4 has control mainboard 18, and the input of display screen 19 and on & off switch 20 is connected to the output electrode of control mainboard 18, can press on & off switch 20 and show the inside temperature liquid level information of device after control mainboard 18 handles through display screen 19.

It should be noted that: the liquid pump 9 (model number is IHF 50-32-125D), the liquid level sensor 7 (model number is FENAD), the temperature sensor 10 (model number is QAP21.3/8000), the exhaust valve 21 (model number is P11H), and the control mainboard 18 (model number is D16V 07).

The working principle of the invention is as follows: firstly, the taking-out device is arranged on a vehicle needing to be provided with a urea box assembly, a liquid spraying pipe 5 is connected with a urea liquid spraying device on the vehicle body, an electric connecting line 6 is connected with a control circuit in the vehicle body, a lock 14 is opened, an access door 3 is opened by rotating through a hinge 13, a liquid adding plug 16 in a funnel 15 is taken out, urea is added into a liquid adding component 8 through the funnel 15, the urea in the liquid adding component 8 is led into the liquid box 1 through a limiting pipe 17, the limiting pipe 17 limits the liquid level in the liquid box 1, then the use is started, a controller in the vehicle controls a liquid pump 9 to operate through the electric connecting line 6 and the controller 4, the liquid pump 9 extracts the urea in the liquid box 1 through a filter head 12, the filter head 12 filters the urea extracted by a liquid guide pipe 11 in real time, high-pressure gas generated by the urea in the liquid box 1 is discharged through an exhaust valve 21, and heat generated by the work of the liquid pump, liquid level sensor 7 real-time detection liquid tank 1 inside liquid level, the inside temperature of temperature sensor 10 real-time detection liquid tank 1, when liquid tank 1 inside freezes, liquid level sensor 7 heating avoids the urea to freeze and influences the operation, can press on & off switch 20 and show the inside temperature liquid level information of device after control mainboard 18 handles through display screen 19, casing pump protection case 2 protection liquid pump 9 and liquid feeding component 8 in the use.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An integrated urea box assembly comprises a liquid box (1) and is characterized in that a pump protection box (2) is welded on the front surface of the liquid box (1), the front surface of the pump protection box (2) is provided with a controller (4), the inner lower surface of the pump protection box (2) is provided with a liquid pump (9), an access door (3) is rotatably arranged on the front surface of the upper end of the pump protection box (2), a liquid spraying pipe (5) is arranged on the upper surface of the pump protection box (2), a liquid guide pipe (11) is arranged at the lower end inside the liquid box (1), the rear end of the liquid guide pipe (11) is provided with a filter head (12), the liquid tank (1) is internally provided with a liquid level sensor (7) and a temperature sensor (10), an exhaust valve (21) is mounted on the upper surface of the liquid tank (1), and a heat dissipation net (22) is mounted on the outer surface of one side of the pump protection box (2);

hinge (13) are installed to the front surface one end of access door (3), tool to lock (14) are installed to the front surface other end of access door (3), and the upper end welding of liquid feeding component (8) has funnel (15), the internally mounted of funnel (15) has liquid feeding stopper (16), the lower extreme through-welding of liquid feeding component (8) has spacing pipe (17).

2. The integrated urea box assembly according to claim 1, wherein a display screen (19) is mounted on the front surface of the controller (4), an on-off key (20) is mounted on one side of the front surface of the controller (4), and a control main board (18) is mounted on the inner lower surface of the controller (4).

3. An integrated urea tank assembly according to claim 1, characterized in that the output of the liquid guide tube (11) is connected through to the input of a liquid pump (9), and the output of the liquid pump (9) is connected through to the input of the liquid spray tube (5).

4. The integrated urea tank assembly according to claim 1, wherein the input electrodes of the liquid level sensor (7), the temperature sensor (10) and the liquid pump (9) are connected with the output end of the controller (4), and the input electrode of the controller (4) is connected with the output end of the electric connecting line (6).

5. The integrated urea tank assembly according to claim 1, wherein the liquid tank (1) and the pump protection tank (2) are made of corrosion-resistant high-density polyethylene, the heat dissipation net (22) is a chemical fiber filter net, and dust-filtering cotton is arranged inside the heat dissipation net (22).

6. The integrated urea box assembly according to claim 1, wherein one side of the access door (3) is rotatably connected with one side of the front surface of the pump protection box (2) through a hinge (13), the other side of the access door (3) is locked on the other side of the front surface of the pump protection box (2) through a lock (14), and the liquid adding component (8) is in through connection with the upper end of the front surface of the liquid box (1) through a limiting pipe (17).

7. The integrated urea tank assembly according to claim 2, wherein the output terminal of the control main board (18) is connected to the display screen (19) and the input terminal of the on-off switch (20).