CN219262489U

CN219262489U - Urea tank with temperature regulation function

Info

Publication number: CN219262489U
Application number: CN202222114620.0U
Authority: CN
Inventors: 秦冠琴; 徐君达; 徐洋; 徐赟
Original assignee: Changzhou Xiaoyang Auto Parts Co ltd
Current assignee: Changzhou Xiaoyang Auto Parts Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2023-06-27
Anticipated expiration: 2032-08-12

Abstract

The utility model relates to a urea box with a temperature regulation function, which comprises a box body, wherein a filling pipe is arranged above the box body, an exhaust valve is arranged at the right upper part of the box body, the exhaust valve is connected with a pipe orifice of the filling pipe through the exhaust pipe, the box body comprises an upper box body, a telescopic box body and a lower box body, the telescopic box body is positioned between the upper box body and the lower box body, the upper box body, the telescopic box body and the lower box body are integrally formed, a heating device for heating solution in the box body is arranged at the bottom of the box body, a fixing box is arranged below the heating device, a damping block is arranged between the heating device and the fixing box, and transparent windows are arranged at the upper end and the lower end of the front outer wall of the box body.

Description

Urea tank with temperature regulation function

Technical Field

The utility model belongs to the technical field of urea boxes, and particularly relates to a urea box with a temperature adjusting function.

Background

The urea box is mainly used for loading urea solution, after automobile exhaust generated by a diesel vehicle passes through the urea box, urea is decomposed into ammonia at high temperature, and under the help of an SCR catalyst, the ammonia reacts with nitrogen oxides in the automobile exhaust to generate nitrogen and water, so that the emission of tail gas pollutants is reduced, and the environmental quality is improved.

The urea solution is a liquid containing 32.5% of high-purity urea and demineralized water, and 32.5% of urea starts to crystallize at-11 ℃ to form a solid, and the mass density of the solid is reduced compared with that of the liquid, so that the solid is expanded in volume, the urea tank is swelled, and the urea tank is damaged.

Disclosure of Invention

To the urea solution in the urea case starts crystallization under low temperature state and forms the solid among the background art, this solid mass density compares liquid decline, consequently causes volume expansion, causes the urea case to appear the swell phenomenon, causes the problem of damage to the urea case, the application provides a urea case with temperature regulation function, is equipped with heating device in the case, can heat the urea solution under low temperature environment, prevents that solution crystallization from causing the urea case swell, and is equipped with flexible box, and flexible box also can stretch out and draw back along with it when solution volume expansion prevents the urea case damage.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a urea case with temperature regulation function, includes the box, the box top is equipped with the filling pipe, the box upper right side is equipped with discharge valve, discharge valve passes through the blast pipe and is connected with the filling pipe mouth of pipe, the box includes box, flexible box and lower box down, flexible box is located between box and the lower box, go up box, flexible box and lower box integrated into one piece, the bottom half is equipped with the heating device for the inside solution heating of box, the heating device below is equipped with fixed box, be equipped with the snubber block between heating device and the fixed box, both ends all are equipped with transparent window about the positive outer wall of box.

Further, heating device includes the power supply board for heating device power supply, the power supply board is placed in the box below, it has a plurality of connecting block to peg graft on the power supply board, the connecting block is inlayed in the bottom half, one side that the power supply board was kept away from to the connecting block stretches into inside the box, the inside grafting of box has vertical ascending heater strip, the one end and the connecting block of heater strip are fixed.

Further, a sealing layer wrapping the connecting block is arranged on one side, close to the wall of the box body, of the connecting block.

Further, a controller for controlling the operation of the heating device is arranged on the power supply board, a temperature sensor and a pressure sensor are arranged at the top end inside the box body, the input ends of the temperature sensor and the pressure sensor are electrically connected with the input end of the controller through wires, and the output end of the controller is electrically connected with the input ends of the power supply board and the exhaust valve through wires.

Further, the damping block is arranged between the bottom of the power supply plate and the inside of the fixed box, the sliding blocks are fixed at the bottom ends of the two sides of the lower box body, and limiting sliding grooves which can be used for the sliding blocks to slide up and down in a small amplitude are formed in the inner walls of the two sides of the fixed box.

Further, a handle is arranged at the upper left of the box body, and a groove for carrying is arranged in the middle of the handle.

Further, the outside of the box body is wrapped with an insulating layer.

The beneficial effects of the utility model are as follows:

1. under normal conditions, the urea box is filled to the rated volume, a certain space is still reserved above the urea solution, the urea solution begins to freeze under the low-temperature environment, the volume expands outwards when the urea solution freezes, the liquid can only expand upwards to generate a large convex hull due to the limitation of the box body on the periphery and the bottom surface, the box body is easy to squeeze to deform or damage, a telescopic box body is adopted in the middle of the box body, the telescopic box body can also stretch along with the box body when the solution expands in volume, and the generation of the convex hull is reduced.

2. The power supply plate is used for electrifying the heating wires, the heating wires are inserted into the connecting blocks, can be taken down at any time, are convenient to replace, are uniformly heated, are higher in efficiency, generate heat when being electrified, and convert electric energy into heat energy; the sealing washer that is equipped with of connecting block outer wall can closely laminate with lower box body wall, prevents that the inside solution of box from oozing, causes heating device to damage.

3. When the urea box jolts in the car, the snubber block plays the cushioning effect, and the box slides in spacing spout through the slider, can reduce jolt the damage that brings the urea box.

Drawings

The foregoing and other objects, features, and advantages of the utility model will become apparent from the following detailed description taken in conjunction with the accompanying drawings.

FIG. 1 is a front view of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the present utility model;

FIG. 3 is a schematic view of the structure of the connecting block of the present utility model;

fig. 4 is a schematic view of the structure of the insulating layer of the present utility model.

Wherein: 1. a case; 101. an upper case; 102. a telescopic case; 103. a lower box body; 2. a filling pipe; 3. an exhaust valve; 4. an exhaust pipe; 5. a heating device; 501. a power supply board; 502. a connecting block; 503. a heating wire; 504. a sealing layer; 6. a damper block; 7. a fixed box; 701. limiting sliding grooves; 8. a transparent window; 9. a controller; 10. a temperature sensor; 11. a pressure sensor; 12. a slide block; 13. a handle; 1301. a groove; 14. and a heat preservation layer.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1, the embodiment 1 of the utility model comprises a tank body 1, a filling pipe 2 is arranged above the tank body 1, an exhaust valve 3 is arranged at the right upper side of the tank body 1, the exhaust valve 3 is connected with a pipe orifice of the filling pipe 2 through an exhaust pipe 4, the tank body 1 comprises an upper tank body 101, a telescopic tank body 102 and a lower tank body 103, the telescopic tank body 102 is positioned between the upper tank body 101 and the lower tank body 103, the upper tank body 101, the telescopic tank body 102 and the lower tank body 103 are integrally formed, under normal conditions, a urea tank is filled to a rated volume, a certain space still exists above urea solution, the urea solution begins to freeze in a low-temperature environment, the volume expands outwards when the inside of the urea solution freezes, and because the periphery and the bottom surface are limited by the tank body 1, the liquid can only expand upwards to generate a large convex hull, the tank body 1 is easy to be extruded to deform or damage, and the telescopic tank body 102 can expand along with the expansion of the solution volume when the solution expands.

Referring to fig. 1 and 2, a controller 9 for controlling the operation of the heating device 5 is disposed on a power supply plate 501, a temperature sensor 10 and a pressure sensor 11 are disposed at the top end inside the upper case 101, the input ends of the temperature sensor 10 and the pressure sensor 11 are electrically connected with the input ends of the controller 9 through wires, the output ends of the controller 9 are electrically connected with the power supply plate 501 and the input ends of the exhaust valve 3 through wires, the temperature sensor 10 and the pressure sensor 11 can monitor the temperature and the gas pressure in the urea case body in real time, and if the temperature is too low, the controller 9 controls the heating device 5 to heat the urea solution; if the air in the box body 1 is heated, the volume expansion and the pressure increase, the controller 9 controls the electric exhaust valve 3 to open, and the redundant air is discharged.

Referring to fig. 1, fig. 2 and fig. 3, a heating device 5 for heating the solution in the box 1 is arranged at the bottom of the box 1, the heating device 5 comprises a power supply plate 501 for supplying power to the heating device 5, the power supply plate 501 is placed below the box 1, a plurality of connecting blocks 502 are inserted on the power supply plate 501, the connecting blocks 502 are inlaid at the bottom of the lower box 103, one side of each connecting block 502 far away from the power supply plate 501 stretches into the box 1, a vertical upward heating wire 503 is inserted in the box 1, one end of each heating wire 503 is fixed with each connecting block 502, a sealing layer 504 for wrapping each connecting block 502 is arranged on one side of each connecting block 502 close to the wall of the box 1, the power supply plate 501 supplies power to each heating wire 503, each heating wire 503 is inserted in the connecting blocks 502 and can be taken down at any time, and is convenient to replace, the heating wires 503 are uniformly heated, the efficiency is higher, and the power is supplied to generate heat, and electric energy is converted into heat energy; the sealing washer that is equipped with the connecting block 502 outer wall can closely laminate with lower box 103 wall, prevents that the inside solution of box 1 from oozing out, causes heating device 5 to damage.

Referring to fig. 1 and 2, the heating device 5 below is equipped with fixed case 7, be equipped with snubber block 6 between heating device 5 and the fixed case 7, snubber block 6 sets up between power supply plate 501 bottom and the inside of fixed case 7, lower box 103 both sides bottom mounting has slider 12, set up on the inner wall of fixed case 7 both sides and supply slider 12 upper and lower low-amplitude gliding spacing spout 701, when the urea case jolts at the car, snubber block 6 plays the cushioning effect, box 1 slides in spacing spout 701 through slider 12, can reduce the damage that jolts brought to the urea case.

Referring to fig. 1, transparent windows 8 are respectively arranged at the upper end and the lower end of the front outer wall of the box body 1, MAX characters are marked on the transparent windows 8 above, the highest water level is represented, MIN characters are marked on the transparent windows 8 below, the lowest water level is represented, and the detection of the internal solution is more facilitated for detection personnel.

In embodiment 2, referring to fig. 1 and 2, a handle 13 is disposed at the upper left of the upper case 101, a groove 1301 for carrying is disposed in the middle of the handle 13, and a inspector can lift the urea case with one hand, so that the urea case is more convenient to transport.

In embodiment 2, referring to fig. 4, the heat insulation layer 14 is wrapped outside the case 1, and the heat insulation layer 14 is made of polystyrene foam plastic, so that heat dissipation is reduced.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model in any way, but any simple modification or equivalent variation of the above embodiment according to the technology of the present utility model falls within the scope of the present utility model.

Claims

1. Urea case with temperature regulation function, including box (1), box (1) top is equipped with filling pipe (2), box (1) upper right side is equipped with discharge valve (3), discharge valve (3) are connected its characterized in that through blast pipe (4) and filling pipe (2) mouth of pipe: the utility model discloses a box, including box (1), box (1) including last box (101), flexible box (102) and lower box (103), flexible box (102) are located between last box (101) and lower box (103), go up box (101), flexible box (102) and lower box (103) integrated into one piece, box (1) bottom is equipped with heating device (5) for the inside solution heating of box (1), heating device (5) below is equipped with fixed box (7), be equipped with snubber block (6) between heating device (5) and fixed box (7), both ends all are equipped with transparent window (8) about the positive outer wall of box (1).

2. The urea tank with a temperature adjusting function according to claim 1, characterized in that: heating device (5) are including power supply board (501) for heating device (5) power supply, power supply board (501) are placed in box (1) below, peg graft on power supply board (501) have a plurality of connecting block (502), connecting block (502) are inlayed in lower box (103) bottom, one side that power supply board (501) was kept away from to connecting block (502) stretches into inside box (1), inside grafting of box (1) has vertical ascending heater strip (503), the one end and the connecting block (502) of heater strip (503) are fixed.

3. The urea tank with a temperature adjusting function according to claim 2, characterized in that: one side of the connecting block (502) close to the wall of the box body (1) is provided with a sealing layer (504) for wrapping the connecting block (502) therein.

4. A urea tank with temperature regulation function according to claim 3, characterized in that: the controller (9) for controlling the operation of the heating device (5) is placed on the power supply board (501), a temperature sensor (10) and a pressure sensor (11) are arranged at the top end inside the upper box body (101), the input ends of the temperature sensor (10) and the pressure sensor (11) are electrically connected with the input end of the controller (9) through wires, and the output end of the controller (9) is electrically connected with the input ends of the power supply board (501) and the exhaust valve (3) through wires.

5. The urea tank with a temperature adjusting function according to claim 1, characterized in that: the damping blocks (6) are arranged between the bottom of the power supply plate (501) and the inside of the fixed box (7), sliding blocks (12) are fixed at the bottom ends of two sides of the lower box body (103), and limiting sliding grooves (701) which can be used for the sliding blocks (12) to slide up and down in a small amplitude are formed in the inner walls of two sides of the fixed box (7).

6. The urea tank with a temperature adjusting function according to claim 1, characterized in that: the upper left side of the upper box body (101) is provided with a handle (13), and a groove (1301) for carrying is arranged in the middle of the handle (13).

7. The urea tank with a temperature adjusting function according to claim 1, characterized in that: the outside of the box body (1) is wrapped with a heat preservation layer (14).