CN216684381U

CN216684381U - Washing liquid tank

Info

Publication number: CN216684381U
Application number: CN202123290470.0U
Authority: CN
Inventors: 刘向红; 杜宁宁
Original assignee: Chery Automobile Co Ltd
Current assignee: Chery Automobile Co Ltd
Priority date: 2021-12-25
Filing date: 2021-12-25
Publication date: 2022-06-07
Anticipated expiration: 2031-12-25

Abstract

The utility model aims to provide a washing liquid tank which can detect the temperature of washing liquid and can heat the washing liquid, wherein a heater and a washing pump are arranged on a lower body of the washing liquid tank, a heating resistor of the heater is inserted into an inner cavity of the lower body of the washing liquid tank from the outside of the lower body of the washing liquid tank, and the washing pump pumps the washing liquid in the washing tank into a washing pipeline and sprays the washing liquid onto the surface of a front windshield glass through a washing nozzle. A temperature sensor on the heater starts to detect the temperature of the washing liquid in the washing tank, if the temperature of the washing liquid is higher than a critical value, the washing pump starts to work to spray the washing liquid in the washing tank onto the surface of the windshield under pressure; if the washing liquid temperature is less than the critical value, the washing liquid heater switch-on begins to carry out rapid heating to low temperature washing liquid this moment, and washing liquid temperature sensor monitors the washing liquid temperature in jar in real time, and after heating to certain critical temperature, the washing liquid heater disconnection, the windshield surface is sprayed in the washing pump recompression, accomplishes the washing to the windshield surface.

Description

Washing liquid tank

Technical Field

The utility model relates to the technical field of automobile self-cleaning, in particular to a washing liquid tank.

Background

The washing liquid tank is one of the key components of the automobile washing system, and is used as a container for storing washing liquid, when dust and other impurities exist on the front windshield, the front windshield needs to be cleaned by using the washing liquid to keep the visual field. The main stream of the present automobile industry is composed of a lower body, an upper body and a flow guide pipe of the washing liquid tank, wherein a washing pump and a washing pipeline are integrated on the lower body, the washing pump is connected with a front cabin wiring harness through a plug connector of the washing pump, a signal is released to the washing pump through a wiper switch on a combined switch, and washing liquid in the washing tank is pumped into the washing pipeline under the action of the washing pump and sprayed onto the surface of the front windshield glass through a washing nozzle. Because the washing liquid generally comprises components such as a surfactant, a polishing agent, phosphate, a solvent, an alkaline substance and the like, the washing liquid has no antifreezing property and is easy to freeze in a low-temperature environment, so that the washing system can not work frequently in winter in northern cold regions.

In order to solve the above problems, the chinese patent application entitled "a car washer with heating function" (CN112277887U) discloses the following technical solutions: the washing pump and the electric heating module assembly are respectively clamped with the bottom of the washing pump body and are respectively sealed by sealing rings. The electric heating module is used for heating the washing liquid at any time to prevent the washing liquid from freezing or to melt ice after the washing liquid is frozen. However, in the above configuration, there is no means for detecting the temperature of the washing liquid in the washing liquid tank, and therefore, the driver cannot know in a timely and accurate manner whether the washing liquid is frozen or not and whether the washing liquid needs to be heated or not.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a washing liquid tank which can detect the temperature of washing liquid and can heat the washing liquid.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a washing liquid tank, includes body under body and the washing liquid tank on the washing liquid tank, is provided with heater and washing pump under the washing liquid tank on the body, and the heating resistor of heater inserts in the body inner chamber under the washing liquid tank from the washing liquid tank body outside down, and the washing pump sprays the windscreen surface in the washing pipeline with the washing liquid pump income in the washing tank through the washing nozzle, the heater on the integration have a temperature sensor, temperature sensor gathers the temperature of washing liquid and this signal transmission of temperature gives automobile body controller BCM, automobile body controller BCM controls the break-make of heater.

In the scheme, the temperature sensor on the heater starts to detect the temperature of the washing liquid in the washing tank, and if the temperature of the washing liquid is higher than a critical value, the washing pump starts to work to spray the washing liquid in the washing tank onto the surface of the windshield under pressure; if the temperature of the washing liquid is lower than the critical value, the washing liquid heater is switched on to quickly heat the low-temperature washing liquid, the temperature of the washing liquid in the tank is monitored by the washing liquid temperature sensor in real time, after the washing liquid is heated to a certain critical temperature, the washing liquid heater is switched off, and the washing pump pressurizes and sprays the washing liquid on the surface of the windshield to clean the surface of the windshield.

Drawings

FIG. 1 is a schematic view of the overall structure of a washing liquid tank;

FIG. 2 is a schematic view of the structure of the lower body of the washing liquid tank and its accessories;

FIG. 3 is a schematic view of the structure of the lower body of the washing liquid tank;

fig. 4 is a schematic structural view of a draft tube.

Detailed Description

A washing liquid tank comprises an upper washing liquid tank body 10 and a lower washing liquid tank body 20, wherein a heater 30 and a washing pump 40 are arranged on the lower washing liquid tank body 20, a heating resistor 31 of the heater 30 is inserted into an inner cavity of the lower washing liquid tank body 20 from the outside of the lower washing liquid tank body 20, washing liquid in the washing tank is pumped into a washing pipeline by the washing pump 40 and sprayed onto the surface of a front windshield through a washing nozzle, a temperature sensor is integrated on the heater 30, the temperature sensor collects the temperature of the washing liquid and transmits a temperature signal to a vehicle body controller BCM, and the vehicle body controller BCM controls the on-off of the heater 30. When a driver toggles a washing switch on the combination switch, the system starts to work, a temperature sensor integrated on the heater 30 starts to detect the temperature of washing liquid in a washing tank, if the temperature of the washing liquid is higher than a critical value, a washing pump 40 starts to work to pressurize the washing liquid in the washing tank and spray the washing liquid onto the surface of a windshield through a washing pipeline and a washing nozzle, and a wiper starts to work to finish the cleaning of the surface of the windshield; if the temperature of the washing liquid is lower than a critical value, the washing liquid heater is switched on to quickly heat the low-temperature washing liquid, the temperature of the washing liquid in the tank is monitored by the washing liquid temperature sensor in real time, after the washing liquid is heated to a certain critical temperature, the washing liquid heater is switched off, the washing pump 40 starts to work to pressurize the washing liquid in the washing tank and spray the washing liquid on the surface of the windshield through a washing pipeline and a washing nozzle, and the windshield wiper starts to work to clean the surface of the windshield.

The peripheral overall arrangement of washing liquid jar includes the battery, engine compartment headlight crossbeam, the fuse box, washing liquid kettle mouth lid and headlamp E, because the body of washing liquid jar is sheltered from completely, so can't see the use liquid level of washing liquid, in order to solve this problem, still be provided with level sensor 51 on the body 20 outer wall under the washing liquid jar, level sensor 51 passes through float lever 52 and links to each other with the float 53 in the body 20 inner chamber under the washing liquid jar, when float 53 descends the liquid level warning line, level sensor 51 internal circuit switches on, automobile body controller BCM obtains the signal and reports to the police. Float 53 on level sensor 51 floats or sinks along with the liquid level altitude variation in the washing tank, when the liquid level reachd certain warning line, float 53 sinks and makes level sensor 51's internal circuit switch on, the BCM obtains the signal, thereby it is not enough to show washing liquid capacity on the panel board of vehicle and report to the police, be used for reminding the driver in time to supply the washing liquid, on the other hand, level sensor 51 is used for judging the liquid level height, when the liquid level height is less than the critical value, the unable switch-on of washing liquid heater, prevent to heat because the washing liquid is too few and lead to drying in the washing tank, cause the incident.

Further, the upper body 10 and the lower body 20 of the washing liquid tank are formed by injection molding of PP plastics and are assembled into a whole by injection welding, the upper part of the upper body 10 of the washing liquid tank is provided with a pipe joint 11 communicated with the inner cavity of the upper body 10 of the washing liquid tank, and the guide pipe 60 is connected with the pipe joint 11 to form sealing fit.

The body 10 is provided with a plurality of cardboard 12 near faying face position on the washing liquid tank, has seted up draw-in groove 121 on the cardboard 12, and the opening of draw-in groove 121 deviates from the washing liquid tank and goes up body 10 and arrange, and body 10 washing liquid tank is gone up to the washing liquid tank down body 20 and on still be provided with vehicle body connection's installing support a for with vehicle body connection in order to fix whole washing liquid tank.

The draft tube 60 is formed by a PP plastic injection molding process, the lower end of the draft tube 60 is in interference clamping connection with the pipe joint 11 through two O-shaped sealing rings 61, the draft tube 60 is mainly used for filling and storing washing liquid, and the draft tube 60 is also provided with a fixing support 62 for fixing accessories.

The upper pipe opening of the draft tube 60 is provided with a cover plate 63, and the cover plate 63 is provided with an exhaust hole 631. Because of considering that the washing liquid heater 30 can produce gas when carrying out rapid heating to the jar interior washing liquid thereby lead to washing jar internal pressure to rise, so leave two exhaust holes 631 on apron 63 for in time get rid of jar internal gas, keep jar internal pressure the same with atmospheric pressure, thereby guarantee each electronic components's in the washing jar function and life-span.

Claims

1. The utility model provides a washing liquid tank, includes body (20) under body (10) and the washing liquid tank on the washing liquid tank, is provided with heater (30) and washing pump (40) under the washing liquid tank on body (20), and body (20) inner chamber under body (20) is inserted from the washing liquid tank outside to heating resistor (31) of heater (30), and washing pump (40) are gone into the washing pipeline with the washing liquid pump in the washing tank and are sprayed to the windscreen surface through the washing nozzle, its characterized in that: a temperature sensor is integrated on the heater (30), the temperature sensor collects the temperature of the washing liquid and transmits a temperature signal to a BCM (body controller), and the BCM controls the on-off of the heater (30).

2. The wash solution tank of claim 1, wherein: the outer wall of the lower body (20) of the washing liquid tank is also provided with a liquid level sensor (51), the liquid level sensor (51) is connected with a floater (53) in the inner cavity of the lower body (20) of the washing liquid tank through a floating rod (52), when the floater (53) descends to a liquid level warning line, an internal circuit of the liquid level sensor (51) is conducted, and a vehicle Body Controller (BCM) obtains a signal and gives an alarm.

3. The wash solution tank of claim 1, wherein: the upper body (10) and the lower body (20) of the washing liquid tank are formed by PP plastic injection molding and are assembled into a whole by injection welding, the upper part of the upper body (10) of the washing liquid tank is provided with a pipe joint (11) communicated with the inner cavity of the upper body (10) of the washing liquid tank, and the guide pipe (60) is connected with the pipe joint (11) to form sealing fit.

4. A washing liquid tank according to claim 3, characterized in that: the washing liquid tank is characterized in that a plurality of clamping plates (12) are arranged on the position, close to the joint surface, of the body (10) on the washing liquid tank, clamping grooves (121) are formed in the clamping plates (12), openings of the clamping grooves (121) are arranged in a mode of deviating from the washing liquid tank upper body (10), and the washing liquid tank upper body (10) and the washing liquid tank lower body (20) are further provided with mounting supports (a) connected with a vehicle body.

5. A washing liquid tank according to claim 3, characterized in that: the honeycomb duct (60) is formed by adopting a PP plastic injection molding process, the lower end of the honeycomb duct (60) is in interference clamping connection with the pipe joint (11) through two O-shaped sealing rings (61), and the honeycomb duct (60) is also provided with a fixed support (62).

6. The wash solution tank of claim 5, wherein: the upper pipe opening of the draft tube (60) is provided with a cover plate (63), and the cover plate (63) is provided with an exhaust hole (631).