阅读说明：本技术 尾气处理系统及控制方法、燃料电池系统和车辆 (Exhaust gas treatment system, control method, fuel cell system and vehicle ) 是由 王传林 阮盼 郑立波 于 2021-07-29 设计创作，主要内容包括：本发明提出了一种尾气处理系统及控制方法、燃料电池系统和车辆。其中,尾气处理系统,包括：气液分离装置,气液分离装置包括进口、出气口和出水口,进口用于接入尾气,气液分离装置用于对尾气进行处理以得到水；清洗装置,清洗装置包括存水件和出水件,存水件与气液分离装置的出水口相连通,出水件与存水件相连接。本发明通过上述技术方案,对产生的混合物收集、处理和再次利用于清洗功能,以使尾气处理系统自带清洗功能,提高了尾气处理系统的使用范围,减少了对空气的污染,提高了能源的利用率。(The invention provides an exhaust gas treatment system, a control method, a fuel cell system and a vehicle. Wherein, tail gas treatment system includes: the gas-liquid separation device comprises an inlet, a gas outlet and a water outlet, wherein the inlet is used for connecting tail gas, and the gas-liquid separation device is used for treating the tail gas to obtain water; the cleaning device comprises a water storage part and a water outlet part, the water storage part is communicated with a water outlet of the gas-liquid separation device, and the water outlet part is connected with the water storage part. According to the technical scheme, the generated mixture is collected, treated and reused for a cleaning function, so that the tail gas treatment system has the cleaning function, the application range of the tail gas treatment system is enlarged, the pollution to air is reduced, and the utilization rate of energy is increased.)

1. An exhaust gas treatment system, comprising:

the gas-liquid separation device comprises an inlet, a gas outlet and a water outlet, wherein the inlet is used for connecting tail gas, and the gas-liquid separation device is used for treating the tail gas to obtain water;

the cleaning device comprises a water storage part and a water outlet part, the water storage part is communicated with the water outlet of the gas-liquid separation device, and the water outlet part is connected with the water storage part.

2. The exhaust treatment system of claim 1, wherein the cleaning device further comprises:

the water inlet is arranged on the water storage part and used for injecting water into the water storage part;

and the air outlet assembly is arranged on the water storage piece and communicated with the cavity of the water storage piece.

3. The exhaust treatment system of claim 2, wherein the gas outlet assembly comprises:

the air storage part is communicated with the cavity of the water storage part;

and the pressure regulating valve is arranged on a connecting pipeline between the gas storage part and the water storage part.

4. The exhaust treatment system of claim 1, wherein the cleaning device further comprises:

and the liquid level sensor is arranged in the cavity of the water storage part.

5. The exhaust treatment system of claim 1, wherein the cleaning device further comprises:

the water level gauge is arranged on the water storage part.

6. The exhaust gas treatment system according to any one of claims 1 to 5, wherein the gas-liquid separation device comprises:

the first interface of the three-way valve is used for accessing tail gas;

the inlet of the condenser is communicated with the second interface of the three-way valve;

and the inlet of the gas-liquid separator is communicated with the outlet of the condenser, and the third interface of the three-way valve is communicated with the gas outlet of the gas-liquid separator.

7. The exhaust treatment system of claim 6, wherein the cleaning device further comprises:

and a first interface of the first valve is communicated with the water outlet of the gas-liquid separator, and a second interface of the first valve is communicated with the water storage part.

8. The exhaust gas treatment system according to any one of claims 1 to 5,

the water outlet piece comprises a water gun or a water faucet.

9. A method for controlling an exhaust gas treatment system, the method being used in the exhaust gas treatment system according to any one of claims 1 to 8, wherein the cleaning apparatus further includes: liquid level sensor and the subassembly of giving vent to anger, the subassembly of giving vent to anger includes: the control method comprises the following steps:

responding to a cleaning request, and acquiring a liquid level value of the water storage part;

and controlling the pressure regulating valve to open according to the liquid level value, and controlling the water outlet piece to discharge water.

10. The method of controlling an exhaust gas treatment system according to claim 9, wherein the cleaning device further comprises: a water inlet, the control method further comprising:

and controlling the pressure regulating valve to be closed and controlling the water inlet to inject water to the water storage part based on the fact that the liquid level value is smaller than a first preset value.

11. The method for controlling the exhaust gas treatment system according to claim 9 or 10, wherein the gas-liquid separation device further includes a three-way valve, and the method further includes:

and controlling the first interface of the three-way valve and the second interface of the three-way valve to be communicated and controlling the third interface of the three-way valve to be cut off based on the liquid level value being less than or equal to a second preset value, wherein the second preset value is less than the first preset value.

12. The method for controlling the exhaust gas treatment system according to claim 9 or 10, wherein the gas-liquid separation device further includes a three-way valve, and the method further includes:

and controlling the first interface of the three-way valve and the third interface of the three-way valve to be communicated and the second interface of the three-way valve to be cut off based on the liquid level value being greater than or equal to a third preset value, so that the tail gas is discharged, wherein the third preset value is greater than or equal to the first preset value.

13. A fuel cell system, characterized by comprising:

the exhaust gas treatment system of any one of claims 1 to 8; and

and the fuel cell reaction device comprises an exhaust part which is communicated with the inlet of the gas-liquid separation device.

14. A vehicle, characterized by comprising:

the exhaust gas treatment system of any one of claims 1 to 8; or

A control device for executing the control method of the exhaust gas treatment system according to any one of claims 9 to 12; or

The fuel cell system of claim 13.

Technical Field

The application relates to the technical field of vehicles, in particular to an exhaust gas treatment system, a control method of the exhaust gas treatment system, a fuel cell system and a vehicle.

Background

In the related art, exhaust gas generated in the running process of a vehicle is directly discharged, and resources are not reused.

Disclosure of Invention

The present application is directed to solving at least one of the problems of the prior art or the related art.

To this end, a first aspect of the invention proposes an exhaust gas treatment system.

A second aspect of the invention provides a method of controlling an exhaust gas treatment system.

A third aspect of the invention provides a fuel cell system.

A fourth aspect of the invention provides a vehicle.

In view of this, according to a first aspect of the present invention, there is provided an exhaust gas treatment system comprising: the gas-liquid separation device comprises an inlet, a gas outlet and a water outlet, wherein the inlet is used for connecting tail gas, and the gas-liquid separation device is used for treating the tail gas to obtain water; the cleaning device comprises a water storage part and a water outlet part, the water storage part is communicated with a water outlet of the gas-liquid separation device, and the water outlet part is connected with the water storage part.

In the technical scheme, the tail gas treatment system comprises a gas-liquid separation device and a cleaning device, wherein the gas-liquid separation device is communicated with the cleaning device.

Specifically, the gas-liquid separation device is provided with an inlet, an air outlet and a water outlet, and the cleaning device is provided with a water storage part and a water outlet part. The inlet of the device introduces tail gas into the gas-liquid separation device, the gas-liquid separation device collects and processes the tail gas to convert the tail gas into water and gas, and the generated gas can be discharged from the gas outlet of the gas-liquid separation device. The water outlet of the cleaning device is communicated with the water storage part of the cleaning device, and water generated in the gas-liquid separation device enters the cleaning device through the water outlet of the cleaning device. The water storage part stores water, and the water outlet part cleans the stored water.

According to the technical scheme, the generated mixture is collected, treated and reused for the cleaning function through the gas-liquid separation device and the cleaning device, so that the tail gas treatment system has the cleaning function, the application range of the tail gas treatment system is enlarged, the pollution to air is reduced, and the utilization rate of energy is increased.

According to the above-mentioned exhaust gas treatment system provided by the present invention, the following additional technical features may be further provided:

in the above technical solution of the present invention, further, the cleaning apparatus further includes: the water inlet is arranged on the water storage part and used for injecting water into the water storage part; the air outlet assembly is arranged on the water storage piece and communicated with the cavity of the water storage piece.

In the technical scheme, the cleaning device is also provided with a water inlet and an air outlet assembly. The water inlet is arranged on the water storage part, and when the water storage part has a water injection demand, water is injected into the water storage part through the water inlet. The air outlet component is also arranged on the water storage part and communicated with the cavity of the water storage part, and the water storage part is adjusted with the pressure of the related pipeline.

Specifically, when the cleaning device is used for feeding water to the water storage part, the air outlet assembly is controlled not to output air to the water storage part, the pressure in the water storage part is smaller than the external atmospheric pressure, and the water smoothly enters the water storage part. When the water outlet part of the cleaning device is used for discharging water, the air outlet assembly is controlled to output air to the water storage part, the pressure in the water storage part is greater than the external atmospheric pressure, and the water stored in the water storage part smoothly flows out of the water outlet part.

Through the mode, the cleaning device can be ensured to smoothly feed water, and can also be ensured to smoothly discharge water, so that the cleaning effect of the tail gas treatment system is ensured.

In any of the above technical solutions, further, the air outlet assembly includes: the air storage part is communicated with the cavity of the water storage part; and the pressure regulating valve is arranged on a connecting pipeline between the air storage part and the water storage part.

In this technical scheme, the subassembly of giving vent to anger is provided with gas storage spare and pressure regulating valve. Wherein, the gas storage part is communicated with the cavity of the water storage part, the pressure regulating valve is arranged on the connecting pipeline between the gas storage part and the water storage part, and the pressure regulating valve controls the air pressure of the connecting pipeline.

Specifically, when water enters from the water inlet of the water storage part, the pressure regulating valve is controlled to be closed, so that gas in the gas storage part does not enter the water storage part, the pressure in the water storage part is reduced, and water smoothly enters the water storage part. When the water outlet piece of the cleaning device discharges water, the pressure regulating valve is controlled to be opened, so that gas in the gas storage piece enters the water storage piece, the pressure in the water storage piece is increased, and water in the water storage piece smoothly flows out of the water outlet piece.

Through the mode, the cleaning device is guaranteed to smoothly enter water and smoothly discharge water in the cleaning process, so that the cleaning effect of the cleaning device is guaranteed, and the cleaning effect of the whole tail gas treatment system is further guaranteed.

It should be noted that, because water is also stored in the water storage member, smooth water discharge from the water storage member is ensured, and simultaneously, sufficient use of water is ensured.

In any of the above technical solutions, further, the cleaning apparatus further includes: the liquid level sensor is arranged in the cavity of the water storage part.

In this technical scheme, belt cleaning device has still set up level sensor, and level sensor sets up in the cavity of depositing water spare, detects the water level in depositing the water spare to acquire the liquid level value of depositing water spare water level. Therefore, the cleaning process of the cleaning device is controlled through the liquid level value, and the reasonability and effectiveness of the cleaning process of the whole tail gas treatment system by utilizing the tail gas are guaranteed.

In any of the above technical solutions, further, the cleaning apparatus further includes: the water level gauge is arranged on the water storage part.

In this technical scheme, belt cleaning device has still set up the fluviograph, and on its fluviograph setting deposit water spare to measure and show the water level of depositing on the water spare, with the observation of convenient user to depositing water level in the water spare, thereby guarantee that the user can deposit water spare inflow and water yield according to the water demand control of oneself, when having improved user experience, also guaranteed whole tail gas treatment system and in the washing control process, control process's flexibility and practicality.

In any one of the above technical solutions, further, the gas-liquid separation apparatus includes: the first interface of the three-way valve is used for accessing tail gas; the inlet of the condenser is communicated with the second interface of the three-way valve; and the inlet of the gas-liquid separator is communicated with the outlet of the condenser, and the third interface of the three-way valve is communicated with the gas outlet of the gas-liquid separator.

In the technical scheme, the gas-liquid separation device is provided with a three-way valve, a condenser and a gas-liquid separator. The tail gas enters the gas-liquid separation device through the first interface of the three-way valve, and the first interface of the three-way valve is always kept in a conducting state so as to ensure the collecting effect of the tail gas.

Further, under the condition that the second interface of three-way valve switches on, tail gas can flow into the condenser from the second interface of three-way valve to carry out the liquefaction processing in the condenser, change tail gas into water and gas, realized the liquefaction processing to tail gas, in order to guarantee that tail gas processing system can provide water. The water and the gas flow into the gas-liquid separator through the outlet of the condenser and the inlet of the gas-liquid separator, and are separated in the gas-liquid separator to separate the water and the gas. In the above-mentioned separation process, the gas of separating is discharged through gas-liquid separator's gas outlet, and the water of separating is deposited the water spare through first valve, has realized the separation processing to gas and water to reduce the gas content who gets into the aquatic, thereby increased and deposited the water yield of water spare normal water, thereby guaranteed the water yield to belt cleaning device.

Furthermore, under the condition that the third interface of the three-way valve is communicated, the tail gas can be directly discharged from the third interface of the three-way valve, so that the phenomenon that water is still generated under the condition that water in the water storage part is enough and the damage to each device in the tail gas treatment system is caused is avoided.

In any of the above technical solutions, further, the cleaning apparatus further includes: and a first interface of the first valve is communicated with a water outlet of the gas-liquid separator, and a second interface of the first valve is communicated with the water storage part.

In this solution, the cleaning device is further provided with a first valve. The water produced by the gas-liquid separation device flows through the first interface to the second interface of the first valve and enters the water storage part. And the first valve is communicated in a one-way from the first interface to the second interface, so that the gas-liquid separation device is communicated with the water storage part in the above mode, and water can be effectively prevented from flowing back to the gas-liquid separation device.

In any of the above technical solutions, further, the water outlet member includes a water gun or a water tap.

In the technical scheme, the water gun or the water faucet is arranged on the water outlet piece, so that the water outlet state of the water storage piece is controlled, and the reasonability of the cleaning control process is ensured.

A second aspect of the present invention provides a method for controlling an exhaust gas treatment system, where the method is used in the exhaust gas treatment system, and the cleaning device further includes: liquid level sensor and the subassembly of giving vent to anger, the subassembly of giving vent to anger includes: gas storage and pressure regulating valve. The control method comprises the following steps: responding to a cleaning request, and acquiring a liquid level value of the water storage part; and controlling the pressure regulating valve to open according to the liquid level value, and controlling the water outlet piece to discharge water.

According to the technical scheme, a cleaning request of a user is received, the liquid level value of the water storage piece is obtained, and the water outlet state of the water outlet piece is controlled according to the liquid level value. Specifically, when the water outlet part of the cleaning device has water, the pressure regulating valve is controlled to open, so that gas in the gas storage part enters the water storage part, the pressure in the water storage part is increased, and the water in the water storage part smoothly flows out of the water outlet part. Through the mode, the cleaning device is guaranteed to smoothly discharge water in the cleaning process, so that the cleaning effect of the cleaning device is guaranteed, and the cleaning effect of the whole tail gas treatment system is further guaranteed.

In the above technical solution, the cleaning apparatus further includes: the water inlet, the control method still includes: and controlling the pressure regulating valve to close and controlling the water inlet to inject water to the water storage part based on the liquid level value smaller than the first preset value.

In this technical scheme, when the liquid level value is less than first default, the subassembly of giving vent to anger of setting on depositing water spare closes through control pressure regulating valve, lets the gas in the gas storage spare not get into and deposits water spare to make the pressure among the water spare diminish, thereby let water get into smoothly and deposit water spare, intake smoothly with guaranteeing belt cleaning device, thereby guarantee belt cleaning device's cleaning performance.

In any of the above technical solutions, the gas-liquid separation apparatus further includes a three-way valve, and the control method further includes: and controlling the first interface of the three-way valve and the second interface of the three-way valve to be communicated and controlling the third interface of the three-way valve to be cut off based on the liquid level value being less than or equal to a second preset value, wherein the second preset value is less than the first preset value.

In the technical scheme, the conduction state of the three interfaces of the three-way valve is controlled by acquiring the liquid level value of the water storage part, so that the water storage quantity of the water storage part is reasonably controlled. When the liquid level value is smaller than or equal to the second preset value, the first interface and the second interface of the three-way valve are controlled to be communicated, and the third interface of the three-way valve is controlled to be cut off, so that tail gas can flow into the condenser from the second interface of the three-way valve, liquefaction treatment is carried out in the condenser, the tail gas is converted into water and gas, the liquefaction treatment of the tail gas is realized, and the vehicle can be guaranteed to provide water. The water and the gas flow into the gas-liquid separator through the outlet of the condenser and the inlet of the gas-liquid separator, and are separated in the gas-liquid separator to separate the water and the gas. In the above-mentioned separation process, the gas outlet discharge of gas-liquid separator is passed through to the gas of separating, and the water of separating deposits the water spare through first valve, has realized the separation processing to gas and water to reduce the gas content who gets into the aquatic, thereby increased and deposited the water yield of water spare normal water, thereby guaranteed the water yield when wasing belt cleaning device, in order to guarantee the cleaning performance.

In any of the above technical solutions, the control method further includes: and controlling the first interface of the three-way valve and the third interface of the three-way valve to be communicated and the second interface of the three-way valve to be cut off based on the liquid level value being greater than or equal to a third preset value, so that the tail gas is discharged, wherein the third preset value is greater than or equal to the first preset value.

In the technical scheme, when the liquid level value is greater than or equal to a third preset value, the first interface and the third interface of the three-way valve are controlled to be switched on, and the second interface of the three-way valve is controlled to be switched off. The tail gas can be directly discharged from the third interface of the three-way valve, and the problem that water is still generated under the condition that the water storage amount in the water storage piece is enough and all devices of the tail gas treatment system are damaged is avoided.

A third aspect of the present invention provides a fuel cell system, wherein the fuel cell system comprises: the tail gas treatment system in any one of the technical schemes; and the fuel cell reaction device comprises an exhaust part which is communicated with the inlet of the gas-liquid separation device.

In the technical scheme, the fuel cell reaction device is provided with the exhaust part, and the exhaust part is communicated with the inlet of the gas-liquid separation device, so that tail gas exhausted from the exhaust part enters the gas-liquid separation device, and the collection of the tail gas by the gas-liquid separation device is realized. The fuel cell system has all the beneficial effects of the tail gas treatment system provided by the first aspect, and redundant description is omitted for avoiding repetition.

A fourth aspect of the invention proposes a vehicle, wherein the vehicle comprises: the tail gas treatment system in any one of the technical schemes; or a control device for executing the control method of the exhaust gas treatment system according to any one of the above-described embodiments; or the control method of the tail gas treatment system in any technical scheme; or a fuel cell system as in any of the above solutions.

In this technical solution, the vehicle includes all the beneficial effects of the exhaust gas treatment system proposed in the first aspect, or the vehicle includes a control device, and the control device is configured to execute the control method of the exhaust gas treatment system in the second aspect, or the vehicle includes all the beneficial effects of the fuel cell system proposed in the third aspect, and redundant description is omitted to avoid repetition.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 shows a schematic structural diagram of an exhaust gas treatment system according to an embodiment of the present invention;

FIG. 2 shows one of the flowcharts of the control method of the exhaust gas treatment system according to the embodiment of the invention;

FIG. 3 is a second flowchart of a method for controlling an exhaust treatment system according to an embodiment of the present invention;

FIG. 4 is a third flowchart of a method for controlling an exhaust treatment system according to an embodiment of the present invention;

FIG. 5 is a flow chart of a control method of the exhaust gas treatment system according to the embodiment of the present invention;

FIG. 6 shows a fifth flowchart of a method for controlling an exhaust treatment system according to an embodiment of the present invention;

fig. 7 shows a sixth flowchart of a control method of the exhaust gas treatment system according to the embodiment of the invention.

Wherein, the corresponding relation between the reference numbers and the part names in fig. 1 is as follows:

12 gas-liquid separation device, 122 three-way valve, 1222 first interface of three-way valve, 1224 second interface of three-way valve, 1226 third interface of three-way valve, 124 condenser, 126 gas-liquid separator, 14 cleaning device, 140 water inlet, 142 water inlet, 144 gas outlet component, 1442 gas storage component, 1444 pressure regulating valve, 146 water storage component, 148 water outlet component, 1410 liquid level sensor, 1412 water level gauge, 1414 first valve, 1416 water tap, 16 fuel cell reaction device, 162 exhaust part, 18 power system, 20 power cell, 22 electricity utilization component.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The exhaust gas treatment system and the control method, the fuel cell system, and the vehicle according to some embodiments of the invention are described below with reference to fig. 1 to 7.

Example 1:

as shown in fig. 1, according to a first aspect of the present invention, there is provided an exhaust gas treatment system comprising: the gas-liquid separation device 12, the gas-liquid separation device 12 includes the inlet, air outlet and water outlet, the inlet is used for inserting the tail gas, the gas-liquid separation device 12 is used for processing the tail gas in order to get water; the cleaning device 14, the cleaning device 14 includes a water storage part 146 and a water outlet part 148, the water storage part 146 is communicated with the water outlet of the gas-liquid separation device 12, and the water outlet part 148 is connected with the water storage part 146.

In this embodiment, the tail gas treatment system comprises a gas-liquid separation device 12 and a cleaning device 14, wherein the gas-liquid separation device 12 is communicated with the cleaning device 14.

Specifically, the gas-liquid separating device 12 is provided with an inlet, an outlet, and a water outlet, and the cleaning device 14 is provided with a water storage member 146 and a water outlet member 148. The inlet of the gas-liquid separation device introduces tail gas into the gas-liquid separation device 12, the gas-liquid separation device 12 collects and processes the tail gas so as to convert the tail gas into water and gas, and the generated gas can be discharged from the gas outlet of the gas-liquid separation device. The water outlet of the water tank is communicated with the water storage part 146 of the cleaning device 14, and water generated in the gas-liquid separation device 12 enters the cleaning device 14 through the water outlet. The water reservoir 146 stores water and the water outlet 148 applies a cleaning application to the stored water.

In the embodiment of the invention, the generated mixture is collected, treated and reused for the cleaning function, so that the tail gas treatment system has the cleaning function, the application range of the tail gas treatment system is improved, the pollution to air is reduced, and the utilization rate of energy is improved.

Example 2:

as shown in fig. 1, according to an embodiment of the present invention, on the basis of the above embodiment, further, the cleaning device 14 further includes: a water inlet member 140; the water inlet 142 is arranged on the water storage part 146, the water inlet 142 is communicated with the water inlet part 140, and the water inlet 142 is used for injecting water into the water storage part 146; and the air outlet assembly 144 is arranged on the water storage part 146, and the air outlet assembly 144 is communicated with the cavity of the water storage part 146.

In this embodiment, the cleaning device 14 is further provided with a water inlet 140, a water inlet 142 and an air outlet assembly 144. The water inlet 142 is disposed on the water storage member 146, and the water inlet 142 is communicated with the water inlet 140, so that when the water storage member 146 requires water injection, water is injected into the water storage member 146 through the water inlet 142. The air outlet assembly 144 is also disposed on the water storage member 146 and is communicated with the cavity of the water storage member 146, and the pressure of the water storage member 146 and its associated pipeline is adjusted.

Specifically, when water enters the water storage member 146 of the cleaning device 14, the air outlet assembly 144 is controlled not to output air to the water storage member 146, so that the pressure in the water storage member 146 is lower than the external atmospheric pressure, and water smoothly enters the water storage member 146. When the water outlet member 148 of the cleaning device 14 is discharging water, the air outlet assembly 144 is controlled to output air to the water storage member 146, so that the pressure in the water storage member 146 is greater than the external atmospheric pressure, and the water in the water storage member 146 smoothly flows out from the water outlet member 148.

Through the mode, the cleaning device 14 can be ensured to smoothly feed water, and the cleaning device 14 can be ensured to smoothly discharge water, so that the cleaning effect of the tail gas treatment system is ensured.

Example 3:

as shown in fig. 1, according to an embodiment of the present invention, on the basis of any of the above embodiments, further, the air outlet assembly 144 includes: the air storage piece 1442, the air storage piece 1442 is communicated with the cavity of the water storage piece 146; a pressure regulating valve 1444, and the pressure regulating valve 1444 is provided on the connection line between the gas storage member 1442 and the water storage member 146.

In this embodiment, the air outlet member 144 is provided with an air reservoir 1442 and a pressure regulating valve 1444. The air storage 1442 is communicated with the cavity of the water storage 146, the pressure regulating valve 1444 is arranged on a connecting pipeline between the air storage 1442 and the water storage 146, and the pressure regulating valve 1444 controls air pressure of the connecting pipeline.

Specifically, when water enters from the water inlet 142 of the water storage member 146, the pressure regulating valve 1444 is controlled to close, so that the gas in the gas storage member 1442 does not enter the water storage member 146, and the pressure in the water storage member 146 is reduced, so that the water smoothly enters the water storage member 146. When the water outlet 148 of the cleaning device 14 is discharging water, the pressure regulating valve 1444 is controlled to open, so that the gas in the gas storage 1442 enters the water storage 146, the pressure in the water storage 146 is increased, and the water in the water storage 146 smoothly flows out from the water outlet 148.

Through the mode, the cleaning device 14 is guaranteed to smoothly feed water and smoothly discharge water in the cleaning process of the cleaning device 14, so that the cleaning effect of the cleaning device 14 is guaranteed, and the cleaning effect of the whole tail gas treatment system is further guaranteed.

Since water is also stored in the water storage member 146, smooth water discharge from the water storage member 146 is ensured, and sufficient water use is ensured.

Example 4:

as shown in fig. 1, according to an embodiment of the present invention, on the basis of any of the above embodiments, further, the cleaning device 14 further includes: a level sensor 1410, the level sensor 1410 being disposed within the cavity of the water trap 146.

In this embodiment, the cleaning device 14 is further provided with a liquid level sensor 1410, and the liquid level sensor 1410 is provided in the cavity of the water storage member 146, and detects the water level in the water storage member 146 to obtain the liquid level value of the water level in the water storage member 146. Therefore, the cleaning process of the cleaning device 14 is controlled through the liquid level value, and the reasonability and effectiveness of the cleaning process of the whole tail gas treatment system by utilizing tail gas are guaranteed.

Example 5:

as shown in fig. 1, according to an embodiment of the present invention, on the basis of any of the above embodiments, further, the cleaning device 14 further includes: a water level gauge 1412, wherein the water level gauge 1412 is arranged on the water storage member 146.

In this embodiment, belt cleaning device 14 has still set up fluviograph 1412, and its fluviograph 1412 sets up on depositing water piece 146 to measure and show the water level on depositing water piece 146, in order to make things convenient for the user to deposit the observation of water level in water piece 146, thereby guarantee that the user can deposit water piece 146 inflow and water yield according to the water demand control of oneself, when having improved user experience, also guaranteed that whole tail gas treatment system is in the cleaning control process, control process's flexibility and practicality.

Example 6:

as shown in fig. 1, according to an embodiment of the present invention, in addition to any of the above embodiments, the gas-liquid separation device 12 further includes: the three-way valve 122, a first interface 1222 of the three-way valve is used for accessing the tail gas; a condenser 124, an inlet of the condenser 124 is communicated with a second port 1224 of the three-way valve; and the inlet of the gas-liquid separator 126 is communicated with the outlet of the condenser 124, and the third interface 1226 of the three-way valve is communicated with the air outlet of the gas-liquid separator 126.

In this embodiment, the gas-liquid separation device 12 is provided with a three-way valve 122, a condenser 124, and a gas-liquid separator 126. The tail gas enters the gas-liquid separation device 12 through the first interface 1222 of the three-way valve, and the first interface 1222 of the three-way valve is always kept in a conducting state, so as to ensure the collecting effect of the tail gas.

Further, under the condition that the second interface 1224 of the three-way valve is connected, the tail gas can flow into the condenser 124 from the second interface 1224 of the three-way valve, and the tail gas is liquefied in the condenser 124, so that the tail gas is converted into water and gas, the liquefaction of the tail gas is realized, and the tail gas treatment system can be ensured to provide water. The water and the gas flow into the gas-liquid separator 126 through the outlet of the condenser 124 and the inlet of the gas-liquid separator 126, and are separated in the gas-liquid separator 126, thereby separating the water and the gas. In the above separation process, the separated gas is discharged through the gas outlet of the gas-liquid separator 126 and the gas outlet of the gas-liquid separator, and the separated water enters the water storage member 146 through the first valve 1414, so that the separation treatment of the gas and the water is realized, the gas content in the entering water is reduced, the water storage amount in the water storage member 146 is increased, and the water outlet amount of the cleaning device 14 is ensured.

Furthermore, under the condition that the third interface 1226 of the three-way valve is communicated, the tail gas can be directly discharged from the third interface 1226 of the three-way valve, so that the phenomenon that water is still generated under the condition that the water in the water storage part 146 is enough and damages to various devices in the tail gas treatment system are avoided.

Example 6:

as shown in fig. 1, according to an embodiment of the present invention, on the basis of any of the above embodiments, further, the cleaning device 14 further includes: the first port of the first valve 1414 is communicated with the outlet of the gas-liquid separator 126, the second port of the first valve 1414 is communicated with the water storage member 146, and the first valve 1414 is communicated from the first port to the second port.

In this embodiment, the cleaning device 14 is also provided with a first valve 1414. The water produced by the gas-liquid separator 12 flows through the first port to the second port of the first valve 1414 and enters the water trap 146. In addition, the first valve 1414 is in one-way communication from the first port to the second port, so that the gas-liquid separator 12 is communicated with the water storage member 146 in the above manner, thereby effectively preventing water from flowing back to the gas-liquid separator 12.

Example 7:

as shown in fig. 1, according to an embodiment of the present invention, on the basis of any of the above embodiments, further, the water outlet 148 includes a water gun or a water tap 1416.

In this embodiment, a water gun or a water tap 1416 is provided on the water discharging member 148 to control the water discharging state of the water storing member 146, so as to ensure the rationality of the cleaning control process.

Example 8:

as shown in fig. 2, according to a second aspect of the present invention, there is provided a control method of an exhaust gas treatment system, the control method being used in the exhaust gas treatment system in the embodiment, and the cleaning device further includes: liquid level sensor and the subassembly of giving vent to anger, the subassembly of giving vent to anger includes: the control method comprises the following steps:

step 202, responding to a cleaning request, and acquiring a liquid level value of a water storage part;

and step 204, controlling the pressure regulating valve to open according to the liquid level value, and controlling the water outlet piece to discharge water.

In the embodiment, a cleaning request of a user is received, the level value of the water storage part is obtained, and the water outlet state of the water outlet part is controlled according to the level value. Specifically, when the water outlet part of the cleaning device has water, the pressure regulating valve is controlled to open, so that gas in the gas storage part enters the water storage part, the pressure in the water storage part is increased, and the water in the water storage part smoothly flows out of the water outlet part. Through the mode, the cleaning device is guaranteed to smoothly discharge water in the cleaning process, so that the cleaning effect of the cleaning device is guaranteed, and the cleaning effect of the whole tail gas treatment system is further guaranteed.

Example 9:

as shown in fig. 3, according to an embodiment of the present invention, on the basis of the above embodiment, further: the cleaning device further comprises: the water inlet, the control method still includes:

step 302, acquiring a liquid level value of a water storage piece;

and 304, controlling the pressure regulating valve to be closed and controlling the water inlet to inject water into the water storage part based on the fact that the liquid level value is smaller than the first preset value.

In this embodiment, when the liquid level value is less than first default, the subassembly of giving vent to anger of setting on depositing water spare closes through control pressure regulating valve, lets the gas in the gas storage spare not get into and deposits water spare to make the pressure among the water spare diminish, thereby let water get into smoothly and deposit water spare, in order to guarantee that belt cleaning device can intake smoothly, thereby guarantee belt cleaning device's cleaning performance.

Example 10:

as shown in fig. 4, according to an embodiment of the present invention, on the basis of the above embodiment, further: the gas-liquid separation device also comprises a three-way valve, and the control method also comprises the following steps:

step 402, acquiring a liquid level value of a water storage piece;

and step 404, controlling the first interface of the three-way valve and the second interface of the three-way valve to be switched on and controlling the third interface of the three-way valve to be switched off based on the liquid level value being less than or equal to the second preset value.

In the embodiment, the conducting states of the three interfaces of the three-way valve are controlled by acquiring the liquid level value of the water storage part so as to ensure that the water storage amount of the water storage part is reasonably controlled, wherein the second preset value is smaller than the first preset value. When the liquid level value is smaller than or equal to the second preset value, the first interface and the second interface of the three-way valve are controlled to be communicated, and the third interface of the three-way valve is controlled to be cut off, so that tail gas can flow into the condenser from the second interface of the three-way valve, liquefaction treatment is carried out in the condenser, the tail gas is converted into water and gas, the liquefaction treatment of the tail gas is realized, and the vehicle can be guaranteed to provide water. The water and the gas flow into the gas-liquid separator through the outlet of the condenser and the inlet of the gas-liquid separator, and are separated in the gas-liquid separator to separate the water and the gas. In the above-mentioned separation process, the gas outlet discharge of gas-liquid separator is passed through to the gas of separating, and the water of separating deposits the water spare through first valve, has realized the separation processing to gas and water to reduce the gas content who gets into the aquatic, thereby increased and deposited the water yield of water spare normal water, thereby guaranteed the water yield when wasing belt cleaning device, in order to guarantee the cleaning performance.

Example 11:

as shown in fig. 5, according to an embodiment of the present invention, on the basis of the above embodiment, further: the control method further comprises the following steps:

step 502, acquiring a liquid level value of a water storage piece;

and 504, controlling the first interface of the three-way valve and the third interface of the three-way valve to be communicated and controlling the second interface of the three-way valve to be cut off based on the liquid level value being greater than or equal to the third preset value so as to discharge the tail gas.

In this embodiment, when the liquid level value is greater than or equal to a third preset value, the first interface and the third interface of the three-way valve are controlled to be on, and the second interface of the three-way valve is controlled to be off, where the third preset value is greater than or equal to the first preset value. Through the mode, the tail gas can be discharged from the gas outlet of the gas-liquid separation device through the third connector of the three-way valve, and the problem that water is still generated to damage each device of the tail gas treatment system under the condition that the water storage amount in the water storage piece is enough is avoided.

Example 12:

as shown in fig. 6, according to an embodiment of the present invention, on the basis of the above embodiment, further: the control method further comprises the following steps:

and step 602, in response to the ending instruction, controlling the first interface of the three-way valve and the second interface of the three-way valve to be switched on, and controlling the third interface of the three-way valve to be switched off.

In this embodiment, when the ending instruction is received, the first interface of the three-way valve and the second interface of the three-way valve are controlled to be connected, and the third interface of the three-way valve is controlled to be disconnected, so as to ensure that the first interface and the second interface of the three-way valve are in a normally open state and the third interface is in a normally closed state in the initialization state, so as to ensure real-time performance of tail gas collection.

Example 13:

as shown in fig. 7, according to an embodiment of the present invention, on the basis of the above embodiment, further, the control method includes:

step 702, responding to a cleaning request;

step 704, acquiring a liquid level value of the water storage part;

step 706, judging whether the liquid level value is smaller than a first preset value, if so, entering step 708, and if not, entering step 710;

step 708, controlling the pressure regulating valve to close, controlling the water inlet to inject water into the water storage part, and entering step 704;

step 710, judging whether the liquid level value is smaller than a second preset value, if so, entering step 712, and if not, entering step 714;

step 712, controlling the first port of the three-way valve and the second port of the three-way valve to be connected, and controlling the third port of the three-way valve to be disconnected, and entering step 718;

step 714, judging whether the liquid level value is larger than a third preset value, if so, entering step 716, and if not, entering step 704;

step 716, controlling the first interface of the three-way valve and the third interface of the three-way valve to be communicated, and controlling the second interface of the three-way valve to be cut off so as to discharge the tail gas;

and step 718, controlling the pressure regulating valve to open, and controlling the water outlet piece to discharge water.

In this embodiment, a first preset value, a second preset value and a third preset value are set, wherein the first preset value is greater than the second preset value, and the third preset value is greater than or equal to the first preset value. The conduction state of each pipeline of the tail gas treatment system is determined by judging the acquired liquid level value of the water storage member and the preset values, namely three states of generating water, discharging tail gas, controlling a water inlet and controlling water outlet of the water outlet member are controlled. The initial state is that the first interface of the three-way valve is communicated with the second interface of the three-way valve, and the third interface of the three-way valve is cut off, namely the initial state is a stage that the condenser produces water. When the liquid level value of the water storage part is larger than or equal to the liquid level value of the water storage part, namely the liquid level value in the water storage part is too high, the tail gas is directly discharged, and the condenser is controlled not to generate water. And when the liquid level value is less than or equal to the first preset value, namely, the water quantity of the water storage part is too small, controlling the water inlet to inject water into the water storage part. And when the liquid level value is smaller than a second preset value, controlling the first interface of the three-way valve to be communicated with the second interface of the three-way valve, and controlling the third interface of the three-way valve to be cut off so as to control the condenser to generate water.

Example 14:

as shown in fig. 1, according to an embodiment of the third aspect of the present invention, there is provided a fuel cell system, wherein the fuel cell system includes: an exhaust treatment system as in any of the embodiments above; and a fuel cell reaction device 16, the fuel cell reaction device 16 including an exhaust portion 162, the exhaust portion 162 communicating with an inlet of the gas-liquid separation device 12.

In this embodiment, the fuel cell reaction device 16 is provided with an exhaust part 162, and the exhaust part 162 is communicated with the inlet of the gas-liquid separation device 12, so that the exhaust gas exhausted from the exhaust part 162 enters the gas-liquid separation device 12, and the collection of the exhaust gas by the gas-liquid separation device 12 is realized. The fuel cell system has all the beneficial effects of the tail gas treatment system provided by the first aspect, and redundant description is omitted for avoiding repetition.

Example 15:

as shown in fig. 1, according to an embodiment of a fourth aspect of the present invention, there is provided a vehicle, wherein the vehicle includes: an exhaust treatment system as in any of the embodiments above; or a control device for executing the control method of the exhaust gas treatment system as in any of the above embodiments; or a fuel cell system as in any of the above embodiments.

In this embodiment, the vehicle includes all the advantages of the exhaust gas treatment system proposed in the first aspect, or the vehicle includes or controls means for executing the control method of the exhaust gas treatment system as in any one of the above embodiments, or the vehicle includes all the advantages of the fuel cell system proposed in the third aspect, and redundant description is omitted for the sake of avoiding redundancy.

Example 16:

according to one embodiment of the present invention, as shown in fig. 1, a vehicle is provided that includes an exhaust gas treatment system. In the related art, the reaction water of the fuel cell is discharged, and the residual value of the fuel cell cannot be exerted without collection and application.

In the embodiment of the invention, the vehicle is composed of a fuel cell reaction device 16, a gas-liquid separation device 12, a cleaning device 14, a power system 18, a power battery 20, an electric component 22 and related pipelines. The reaction water produced by the fuel cell reaction device 16 is the tail gas. Generating fuel cell reaction water during the running process of a vehicle, wherein the reaction water comprises the following components: unreacted air, water vapor after the hydrogen-oxygen reaction and part of water at a temperature of about 60 to 80 ℃.

In the embodiment of the invention, the generated reaction water is collected, treated and reused for the cleaning function through the gas-liquid separation device 12 and the cleaning device 14, so that the tail gas treatment system is provided with the cleaning function, the water for cleaning outside the vehicle (such as washing hands, washing vehicles and the like) of a user is facilitated, the use range of the tail gas treatment system is enlarged, the pollution to air is reduced, and the utilization rate of energy is increased. The gas-liquid separation device 12 includes a three-way valve 122, a first port 1222 of the three-way valve, a second port 1224 of the three-way valve, a third port 1226 of the three-way valve, a condenser 124, and a gas-liquid separator 126. The cleaning device 14 includes a water inlet 142, an air outlet assembly 144, an air storage 1442, a pressure regulating valve 1444, a water storage 146, a water outlet 148, a liquid level sensor 1410, a water level gauge 1412, a first valve 1414 and a faucet 1416.

Specifically, the reaction water (off gas) discharged from the fuel cell reaction device 16 is discharged through the exhaust portion 162 thereof, and enters the condenser 124 through the first port 1222 of the three-way valve, the second port 1224 of the three-way valve. The condenser 124 converts the reaction water into water and air. The water and air are discharged from the outlet of the condenser 124 into the gas-liquid separator 126, and the gas-liquid separator 126 separates the water and air. The separated water passes through the first valve 1414 and enters the water trap 146, and the separated air is discharged from the air outlet of the gas-liquid separator 126. The water in the water trap 146 is used for the cleaning function of the cleaning device 14.

Further, the capacity value of the capacity 1/2 of the water storage member 146 is selected as a first preset value, the capacity value of the capacity 1/5 of the water storage member 146 is selected as a second preset value, and the capacity value of the capacity 4/5 of the water storage member 146 is selected as a third preset value.

Specifically, in the initial state, the first port 1222 of the three-way valve is in a normally open state, the second port 1224 of the three-way valve is in a normally open state, and the third port 1226 of the three-way valve is in a normally closed state. When the liquid level value of the water storage member 146 is lower than the capacity value of the water storage member 146, which is 1/5, the third interface 1226 of the three-way valve is closed, the first interface 1222 of the three-way valve is normally open, and the second interface 1224 of the three-way valve is opened, so that the reaction water (tail gas) enters the condenser 124. When the liquid level value of the water storage member 146 is higher than the capacity value of the water storage member 146 capacity 4/5, the second port 1224 of the three-way valve is closed, the first port 1222 of the three-way valve is normally opened, and the third port 1226 of the three-way valve is opened, so that the reaction water is directly discharged from the exhaust port of the gas-liquid separator 126. When the water level gauge 1412 indicates that the level value of the water trap 146 is lower than the capacity value of the capacity 1/2 of the water trap 146, water is injected into the water trap 146 through the inlet of the water trap 146.

Further, the pressure regulating valve 1444 controls the gas storage member 1442 of the gas outlet assembly 144, so as to regulate the pressure of the pipeline between the water storage member 146 and the gas outlet assembly 144, thereby ensuring smooth water inlet and water outlet.

Specifically, when the faucet 1416 is opened, the pressure regulating valve 1444 is controlled to be opened to ensure smooth water outlet; when the water inlet 142 of the water storage member 146 is filled with water, the control pressure regulating valve 1444 is closed to ensure smooth water filling.

In the description herein, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless explicitly stated or limited otherwise; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.