CN214063107U

CN214063107U - Urea sensor

Info

Publication number: CN214063107U
Application number: CN202022482036.1U
Authority: CN
Inventors: 隆优禄
Original assignee: Hefei Jiesi Environmental Protection Technology Co ltd
Current assignee: Hefei Jiesi Environmental Protection Technology Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-08-27
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a urea sensor, which comprises a plastic head and an electronic tube plastic seat, wherein the electronic tube plastic seat is positioned below the plastic head, an electron tube is arranged between the plastic head and the electron tube plastic seat, a square filter screen assembly is arranged at the bottom end of the electron tube plastic seat, one side of the electron tube plastic seat is fixedly connected with a heater, one side of the heater is provided with a temperature sensor, a water inlet pipe joint is arranged on one side of the upper end of the plastic head, a urea return pipe joint is arranged on one side of the water inlet pipe joint, the water inlet pipe joint and it is fixed through last connection piece between the urea return pipe joint, survey inside temperature in real time and avoid liquid to solidify, can be abundant absorb liquid and tail gas emergence reaction in the car from the urea case, reduce the pollution problem of tail gas to the environment, can make automobile exhaust reach the emission standard that the country made simultaneously.

Description

Urea sensor

Technical Field

The utility model relates to a urea sensor technical field, in particular to urea sensor.

Background

At present, automobiles are used as main road vehicles and are popularized in various family lives, the problem of environmental pollution caused by automobile exhaust is substantial, people are also in headache, and the state also sets standards for automobile exhaust emission. In the automobile manufacturing industry, in order to make the exhaust emission accord with the national standard, a urea box is needed to be arranged for catalyzing nitrogen oxides in the exhaust to react so as to reduce harmful components in the exhaust, thereby meeting the emission standard and reducing the pollution to the atmosphere.

Therefore, it is necessary to invent a urea sensor to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a urea sensor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a urea sensor comprises a plastic head and an electron tube plastic seat, wherein the electron tube plastic seat is positioned below the plastic head, an electron tube is arranged between the plastic head and the electron tube plastic seat, a square filter screen assembly is arranged at the bottom end of the electron tube plastic seat, a heater is fixedly connected with one side of the electron tube plastic seat, a temperature sensor is installed at one side of the heater, a water inlet pipe joint is installed at one side of the upper end of the plastic head, a urea return pipe joint is arranged at one side of the water inlet pipe joint, the water inlet pipe joint is fixed between the urea return pipe joints through an upper connecting sheet, a lower connecting sheet is installed at the bottom end of the upper connecting sheet, one end of the lower connecting sheet is provided with the urea suction pipe joint, the other end of the lower connecting sheet is provided with a water outlet pipe joint, a float stopping point is arranged at the top end of the electron tube, a float assembly is sleeved outside the electron tube, one side of the electron tube is provided with a U-shaped water pipe assembly, and a urea pipe is arranged on one side of the U-shaped water pipe assembly.

Preferably, the bottom end of the square filter screen assembly is provided with a base plate.

Preferably, the U-shaped water pipe assembly and the urea pipe are fixed by a binding spring.

Preferably, a first electron tube shaft sleeve is arranged at the top of the electron tube, an electron tube O-shaped sealing ring is arranged at the bottom end of the first electron tube shaft sleeve, and a second electron tube shaft sleeve is arranged at the bottom end of the electron tube O-shaped sealing ring.

Preferably, one end of the water inlet pipe joint is provided with an O-shaped sealing ring of the water inlet pipe joint.

The utility model discloses a technological effect and advantage:

the utility model discloses survey inside temperature in real time and avoid liquid to solidify, can be abundant absorb liquid and tail gas emergence reaction in the car in the urea case, reduce the pollution problem of tail gas to the environment, can make automobile exhaust reach the emission standard that the country made simultaneously.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a sectional view taken along line a-a of the present invention.

Fig. 3 is a side view of the present invention.

Fig. 4 is a top view of the present invention.

Fig. 5 is a C-C sectional view of the present invention.

Fig. 6 is an enlarged view of the present invention.

Fig. 7 is an enlarged view of iii of the present invention.

Fig. 8 is an enlarged view of vi of the present invention.

Fig. 9 is an enlarged view of v 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.

The utility model provides a urea sensor as shown in the figure, including plastic head 4 and electron tube plastic seat 29, electron tube plastic seat 29 is located plastic head 4 below, be equipped with electron tube 26 between plastic head 4 and electron tube plastic seat 29, electron tube plastic seat 29 bottom is equipped with square filter screen assembly 30, electron tube plastic seat 29 one side fixedly connected with heater 3, temperature sensor 12 is installed to heater 3 one side, real-time supervision temperature avoids freezing, inlet tube connects 5 is installed to plastic head 4 upper end one side, inlet tube connects 5 one side is equipped with urea return pipe connects 6, inlet tube connects 5 and urea return pipe connects 6 between pass through upper connecting piece 14 and fix, upper connecting piece 14 bottom is installed lower connecting piece 34, lower connecting piece 34 one end is equipped with urea absorption pipe connects 7, and the other end is equipped with outlet pipe connector 8, electron tube 26 top is equipped with flotation pontoon stop point 11, flotation pontoon assembly 10 is cup jointed in the electron tube 26 outside, electron tube 26 one side is equipped with U-shaped water pipe assembly 28, U-shaped water pipe assembly 28 one side is equipped with urea pipe 27.

Further, in the above technical solution, a bottom plate 32 is disposed at the bottom end of the square filter screen assembly 30;

further, in the above technical solution, the U-shaped water pipe assembly 28 and the urea pipe 27 are fixed by a binding spring 9;

further, in the above technical solution, a first electron tube shaft sleeve 20 is disposed at the top of the electron tube 26, an electron tube O-shaped sealing ring 15 is disposed at the bottom end of the first electron tube shaft sleeve 20, and a second electron tube shaft sleeve 21 is disposed at the bottom end of the electron tube O-shaped sealing ring 15;

further, in the above technical solution, one end of the water inlet pipe joint 5 is provided with an O-shaped sealing ring 18 of the water inlet pipe joint.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A urea sensor, includes plastic head (4) and valve plastic seat (29), valve plastic seat (29) are located plastic head (4) below, be equipped with valve (26) between plastic head (4) and valve plastic seat (29), its characterized in that: the electron tube plastic base (29) bottom is equipped with square filter screen assembly (30), electron tube plastic base (29) one side fixedly connected with heater (3), temperature sensor (12) are installed to heater (3) one side, intake pipe connector (5) are installed to plastic head (4) upper end one side, intake pipe connector (5) one side is equipped with returns urea pipe connector (6), intake pipe connector (5) and it is fixed through last connection piece (14) between urea pipe connector (6) to return, go up connection piece (14) bottom and install down connection piece (34), down connection piece (34) one end is equipped with inhales urea pipe connector (7), and the other end is equipped with outlet pipe connector (8), electron tube (26) top is equipped with flotation pontoon stop point (11), flotation pontoon assembly (10) is cup jointed in electron tube (26) the outside, and a U-shaped water pipe assembly (28) is arranged on one side of the electronic pipe (26), and a urea pipe (27) is arranged on one side of the U-shaped water pipe assembly (28).

2. A urea sensor according to claim 1, characterized in that: the bottom end of the square filter screen assembly (30) is provided with a chassis (32).

3. A urea sensor according to claim 1, characterized in that: the U-shaped water pipe assembly (28) and the urea pipe (27) are fixed through a binding spring (9).

4. A urea sensor according to claim 1, characterized in that: the electron tube sealing structure is characterized in that a first electron tube shaft sleeve (20) is arranged at the top of the electron tube (26), an electron tube O-shaped sealing ring (15) is arranged at the bottom end of the first electron tube shaft sleeve (20), and a second electron tube shaft sleeve (21) is arranged at the bottom end of the electron tube O-shaped sealing ring (15).

5. A urea sensor according to claim 1, characterized in that: one end of the water inlet pipe joint (5) is provided with an O-shaped sealing ring (18) of the water inlet pipe joint.