High-pressure gas-liquid separator, control method, device and equipment thereof and medium

Abstract

The invention relates to the technical field of electrolytic hydrogen, in particular to a high-pressure gas-liquid separator, a control method and device thereof, equipment and a medium. The high-pressure gas-liquid separator comprises a gas inlet, a gas-liquid separation chamber, a water storage chamber, a liquid level sensor, a Tesla pipe and a drain valve which are sequentially arranged from top to bottom; the gas inlet is formed in the side part of the gas-liquid separation chamber and is communicated with the gas-liquid separation chamber; the bottom of the gas-liquid separation chamber is communicated with the water storage chamber; the liquid level sensor is arranged in the water storage chamber; and the Tesla pipe is communicated with the water storage chamber and the drain valve. Effective liquid sealing can be realized when the drain valve is opened, high-humidity hydrogen discharged from the gas inlet or low-humidity hydrogen subjected to gas-liquid separation cannot flow out of the drain valve, waste of hydrogen energy is reduced, pressure established by a cathode of the PEM electrolytic cell cannot be lost due to good liquid sealing performance, and the service life of the PEM electrolytic cell is prolonged. And the overall performance and safety of the PEM water electrolysis hydrogen production system can be remarkably improved.

Description

Technical Field

[0001] The present application relates to the technical field of electrolytic hydrogen, and in particular to a high-pressure gas-liquid separator and a control method, device, equipment and medium thereof. Background Art

[0002] Against the backdrop of global carbon peak and carbon neutrality goals, traditional fossil fuels are gradually being replaced by clean energy to reduce carbon emissions. As an emerging clean energy source, hydrogen, with its advantages of low carbon emissions, efficient energy conversion, and ease of use, has played a significant role in the recent energy revolution. PEM water electrolysis, a key technology upstream of the hydrogen supply chain, utilizes electricity to electrolyze pure water into hydrogen at the cathode and air at the anode, achieving the conversion of electrical energy into chemical energy and green electricity into green hydrogen.

[0003] Currently, the gas-liquid separator used in a PEM electrolyzer typically uses a drain valve 7 to discharge the liquid water obtained after separation. However, in this existing solution, the liquid water separated by the gas-liquid separator cannot be effectively sealed at the drain valve inlet due to the excessive pressure difference between the inlet and outlet of the drain valve. At this time, when the drain valve is opened to release the liquid water, the generated hydrogen is often wasted, the pressure established by the cathode is lost, and the pressure and flow control difficulty at the downstream hydrogen-using end are increased, the operating efficiency of the entire system is reduced, and the explosion risk of the system is increased. This type of problem is more significant in high-pressure PEM electrolyzers (such as 10MPa electrolyzers). Therefore, effectively solving the problem of discharging liquid water in the gas-liquid separator, especially for the gas-liquid separator used in high-pressure PEM electrolyzers, can significantly improve the overall performance and safety of the PEM water electrolysis hydrogen production system. Summary of the Invention

[0004] The embodiments of the present application provide a high-pressure gas-liquid separator and its control method, device, equipment and medium, which can achieve effective liquid sealing when the drain valve is open, effectively reduce hydrogen waste, and significantly improve the overall performance and safety of the PEM water electrolysis hydrogen production system.

[0005] In one aspect of an embodiment of the present application, a high-pressure gas-liquid separator is provided, comprising an air inlet, a gas-liquid separation chamber, a water storage chamber, a liquid level sensor, a Tesla tube, and a drain valve, which are sequentially arranged from top to bottom; The gas inlet is arranged on the side of the gas-liquid separation chamber and is in communication with the gas-liquid separation chamber, so as to pass the high-humidity hydrogen generated by the cathode of the PEM electrolyzer into the gas-liquid separation chamber; The gas-liquid separation chamber has a bottom connected to the water storage chamber, so as to perform gas-liquid separation on the high-humidity hydrogen, and the liquid water obtained after the gas-liquid separation flows into the water storage chamber; The liquid level sensor is arranged in the water storage chamber to monitor the liquid level change in the water storage chamber; The Tesla tube is connected to the water storage chamber and the drain valve, and includes a first bifurcated circuit and a second bifurcated circuit; The liquid water flowing from the water storage chamber into the Tesla tube reaches the first bifurcated circuit and the second bifurcated circuit in sequence, and the top height of the first bifurcated circuit is higher than the top height of the second bifurcated circuit.

[0006] Optionally, the high-pressure gas-liquid separator further includes a gas outlet, which is arranged at the top of the gas-liquid separation chamber, and the low-humidity hydrogen obtained after the gas-liquid separation of the high-humidity hydrogen by the gas-liquid separation chamber is discharged through the gas outlet.

[0007] Optionally, the drain valve is configured to be opened when the liquid level in the water storage chamber is higher than a preset liquid level threshold, so as to maintain the liquid level in the water storage chamber below the preset liquid level threshold.

[0008] Optionally, the drain valve is used to be opened when the liquid level rising speed in the water storage chamber is higher than a preset liquid level change threshold.

[0009] According to one aspect of the embodiments of this application, a control method for a high-pressure gas-liquid separator is proposed. The method is applied to the high-pressure gas-liquid separator proposed above, and the control method includes: Acquiring liquid level change data and liquid level height data of the liquid water in the water storage chamber reported by the liquid level sensor; Determine whether to open the drain valve based on the liquid level change data and the liquid level height data.

[0010] Optionally, the determining whether to open the drain valve according to the liquid level change data and the liquid level height data includes: determining a liquid level change rate of the liquid water in the water storage chamber within a target period of time according to the liquid level change data; If the liquid level change rate is higher than a preset rate threshold, and the liquid level height data is higher than a first preset liquid level height threshold, the drain valve is opened.

[0011] Optionally, the method further includes: Obtaining the temperature of the environment in which the high-pressure gas-liquid separator is located; When the high-pressure gas-liquid separator is not in operation, if the temperature is lower than a preset temperature threshold and the liquid level data is less than or equal to a second preset liquid level threshold, closing the drain valve; When the high-pressure gas-liquid separator is not in operation, if the temperature is greater than or equal to the preset temperature threshold and the liquid level data is greater than or equal to a second preset liquid level threshold, the drain valve is opened.

[0012] According to one aspect of an embodiment of the present application, a control device for a high-pressure gas-liquid separator is provided, the device comprising: an acquiring unit, configured to acquire liquid level change data and liquid level height data of the liquid water in the water storage chamber reported by the liquid level sensor; A judgment unit is used to judge whether to open the drain valve according to the liquid level change data and the liquid level height data.

[0013] On the other hand, an embodiment of the present application provides an electronic device, including a processor and a memory; The memory is used to store computer programs; The processor executes the computer program to implement the aforementioned method.

[0014] On the other hand, an embodiment of the present application provides a computer-readable storage medium, wherein the storage medium stores a computer program, and the computer program is executed by a processor to implement the aforementioned method.

[0015] The implementation principle of the embodiment of the present application is as follows: the high-humidity hydrogen generated by the cathode of the PEM electrolyzer can be introduced into the gas-liquid separation chamber through the air inlet, and the high-humidity hydrogen is separated into gas and liquid by the gas-liquid separation chamber. The low-humidity hydrogen obtained by separation can be discharged through the air outlet, and the separated liquid water flows into the water storage chamber.

[0016] A liquid level sensor is installed in the water storage chamber. When the liquid level in the water storage chamber is too high or rises too quickly, the drain valve is opened promptly to release the liquid water through the drain valve. A Tesla tube is installed between the water storage chamber and the drain valve. The top of the first branch circuit of the Tesla tube is higher than the top of the second branch circuit. Liquid water flowing into the Tesla tube from the water storage chamber reaches the first branch circuit first. This shows that the liquid water flowing inside the Tesla tube will face high resistance, which can achieve an effective liquid seal when the drain valve is opened.

[0017] The embodiments of the present application include at least the following beneficial effects: through the innovative structural design of the high-pressure gas-liquid separator of the present application, combined with the description of the above principles, the present application can achieve effective liquid sealing when the drain valve is opened, and the high-humidity hydrogen discharged from the air inlet or the low-humidity hydrogen after gas-liquid separation cannot flow out of the drain valve, thereby reducing the waste of hydrogen energy. At the same time, due to the good liquid sealing performance, the pressure established by the cathode of the PEM electrolyzer will not be lost, which can significantly improve the overall performance and safety of the PEM water electrolysis hydrogen production system. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the technical solution of the present application and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the technical solution of the present application and do not constitute a limitation on the technical solution of the present application.

[0019] Figure 1 An overall structural diagram of the high-pressure gas-liquid separator provided in an embodiment of the present application; Figure 2 A specific structural diagram of the high-pressure gas-liquid separator provided in an embodiment of the present application; Figure 3 A schematic diagram of the flow of liquid water in a Tesla tube provided in an embodiment of the present application; Figure 4 A schematic flow chart of a control method for a high-pressure gas-liquid separator provided in an embodiment of the present application; Figure 5 A control logic diagram of a drain valve provided in an embodiment of the present application; Figure 6 This is a schematic diagram of an implementation scheme of the gravity-type high-pressure gas-liquid separator proposed in this application; Figure 7 This is a schematic diagram of an embodiment of the baffled high-pressure gas-liquid separator proposed in this application; Figure 8 This is a schematic diagram of an implementation of the baffled and filtering high-pressure gas-liquid separator proposed in this application; Figure 9 A block diagram of a control device for a high-pressure gas-liquid separator provided in an embodiment of the present application; Figure 10 A schematic diagram of the structure of an electronic device provided in an embodiment of the present application.

[0020] Reference numerals Air inlet 1, air outlet 2, gas-liquid separation chamber 3, water storage chamber 4, liquid level sensor 5, Tesla tube 6, fluid main channel 61, first bifurcated circuit 62, second bifurcated circuit 63, drain valve 7. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are only used to explain the present application and are not intended to limit the present application. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the embodiments of the present application. They are merely examples of devices and methods consistent with some aspects of the embodiments of the present application as detailed in the appended claims.

[0022] It will be understood that the terms "first", "second", etc. used in this application may be used herein to describe various concepts, but unless otherwise specified, these concepts are not limited by these terms. These terms are only used to distinguish one concept from another. For example, without departing from the scope of the embodiments of the present application, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Depending on the context, the words "if" and "if" as used herein may be interpreted as "at the time of" or "when" or "in response to determining".

[0023] The terms "at least one", "plurality", "each", "any", etc. used in this application include "at least one", "two" or more, "plurality" or "each", "any" or "any one", "each" or "any one" as used herein.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this application pertains. The terms used herein are for the purpose of describing the embodiments of this application only and are not intended to limit this application.

[0025] The technical problems solved by this application mainly include the following aspects: First, it reduces hydrogen and pressure losses at the cathode of the PEM electrolyzer, improving the efficiency of the PEM water electrolysis hydrogen production system. By utilizing the water hammer effect created when liquid water separated by the gas-liquid separation chamber 3 flows back through the Tesla tube 6, the cathode pressure stability when the drain valve is open is improved, the liquid seal performance created by the liquid water in the Tesla tube 6 is enhanced, and the ineffective release of hydrogen at the cathode is reduced, thereby improving the efficiency and economy of the PEM water electrolysis hydrogen production system.

[0026] Improve the difficulty of pressure control and flow control at the downstream hydrogen-using end, utilize the high flow resistance of Tesla tube 6 during reverse flow, extend the opening frequency and opening time of drain valve 7, improve the stability of hydrogen pressure at the cathode of PEM electrolyzer, and reduce the difficulty of pressure control and flow control at the downstream hydrogen-using end.

[0027] Improve the safety of the PEM water electrolysis hydrogen production system. The high-performance liquid seal formed by the reverse flow of liquid water separated by the gas-liquid separation chamber 3 in the Tesla tube effectively reduces the leakage of cathode hydrogen through the drain valve 7, rationally controls the hydrogen concentration near the outlet of the drain valve 7, and improves the overall safety of the PEM water electrolysis hydrogen production system.

[0028] The implementation principle of the embodiment of this application is as follows: Figure 1 、 Figure 2 and Figure 3 As shown, Figure 1 This is the overall structural diagram of the high-pressure gas-liquid separator provided in the embodiment of the present application. Figure 2 This is a detailed structural diagram of the high-pressure gas-liquid separator provided in an embodiment of the present application. High-humidity hydrogen generated by the cathode of the PEM electrolyzer can be introduced into the gas-liquid separation chamber through the air inlet. The gas-liquid separation chamber then separates the high-humidity hydrogen into gas and liquid. The separated low-humidity hydrogen can be discharged through the air outlet 2, while the separated liquid water flows into the water storage chamber 4.

[0029] A liquid level sensor 5 is provided within the water storage chamber 4. When the liquid level within the water storage chamber 4 is too high or rises too quickly, a drain valve 7 is promptly opened to release the liquid water through the drain valve 7. A Tesla tube 6 is provided between the water storage chamber 4 and the drain valve 7. The top of the first branched loop 62 of the Tesla tube 6 is higher than the top of the second branched loop 63 thereof. Liquid water flowing from the water storage chamber 4 into the Tesla tube 6 first reaches the first branched loop 62. This demonstrates that the liquid water flowing within the Tesla tube 6 faces high resistance, achieving an effective liquid seal when the drain valve 7 is opened.

[0030] Specifically, Figure 3 The structure diagram of Tesla tube 6 is as follows: Figure 3 The Tesla tube 6 shown includes a first bifurcated circuit 62 , a second bifurcated circuit 63 and a main flow channel 61 . Figure 3 The thickness of the arrow in the middle indicates the pressure variation of the fluid (e.g., liquid water) within the Tesla tube 6. From top to bottom, the pressure on the liquid water decreases from high to low. This means that when the liquid water flows from the water storage chamber into the top of the Tesla tube 6, it encounters the greatest resistance. From top to bottom, the resistance accumulates, and finally, it slowly flows out through the drain valve 7. This gradient resistance accumulation design prevents damage to the drain valve 7 caused by excessive pressure during discharge. This resistance design also allows the liquid water to flow out of the drain valve 7 slowly, achieving an effective liquid seal and preventing hydrogen leakage from the drain valve 7.

[0031] Further, continue as Figure 3 As shown, when liquid water flows into the fluid main channel 61 of the Tesla tube 6, it will first enter Figure 3 The first bifurcated loop 62 on the right side of the Tesla tube 6 then flows along the fluid main channel 61 of the Tesla tube 6 into the second bifurcated loop 63 on the left side. When the liquid water separated by the gas-liquid separation chamber 3 flows in the reverse direction in the Tesla tube 6 (i.e. Figure 3When the reverse flow direction is reversed (in the direction indicated by the arrow), the fluid (liquid water) will collide with the other fluid after returning. This diversion and collision phenomenon greatly increases the resistance to the reverse flow of the fluid, rapidly reducing the flow rate. As the fluid continues to reverse, this resistance continues to accumulate, making reverse flow increasingly difficult. The increased resistance during reverse flow requires the fluid to consume a large amount of energy to overcome this resistance, resulting in a significant energy loss. From a macroscopic perspective, the reverse flow of the fluid is greatly hindered. It is precisely this characteristic of reverse flow in the Tesla tube that is utilized to solve the above problem.

[0032] In this way, the liquid water flowing back to the main fluid channel 61 through the first and second branched loops 62 and 63 intersects with the liquid water flowing normally in the main fluid channel 61, thereby forming resistance. The further down the channel, the greater the resistance generated by the superposition of the different intersection points, thus achieving an effective liquid seal.

[0033] The following is a detailed description of the working principles of each component of the high-pressure gas-liquid separator: The gas-liquid separation chamber 3 performs gas-liquid separation on the high-humidity hydrogen generated at the cathode of the PEM electrolyzer to obtain liquid water and low-humidity hydrogen.

[0034] Gas inlet 1, located below gas outlet 2, primarily introduces high-humidity hydrogen generated at the cathode of the PEM electrolyzer. Gas outlet 2, located at the top of gas-liquid separation chamber 3, primarily discharges low-humidity hydrogen separated by gas-liquid separation chamber 3.

[0035] The top of the water storage chamber 4 is connected to the bottom of the gas-liquid separation chamber 3. This connection can be sealed with a seal, welded, or threaded. The sealing method is not shown here. Alternatively, the top of the water storage chamber 4 can be provided with a number of through-holes, or the gas-liquid separation chamber 3 can be directly connected to the water storage chamber 4. Figure 2 A certain number of through holes are arranged here. The water storage chamber 4 is mainly used to store the separated liquid water and extend the opening cycle and opening time of the drain valve 7.

[0036] The liquid level sensor 5 can be arranged at the top or bottom of the water storage according to needs, and the sealing method can be considered to use a sealing member or a threaded connection sealing. Figure 2 The liquid level sensor 5 is arranged at the bottom of the water storage chamber 4, and the sealing method is not shown. The liquid level sensor 5 is mainly used to monitor the height change (liquid level change) of the liquid water in the water storage chamber 4 and is associated with the drain valve 7 for control.

[0037] The top of the Tesla tube 6 is connected to the bottom of the water storage chamber 4, and the sealing method can be considered to be sealed with a seal, welded, or threaded. The sealing method is not shown in detail here.

[0038] The inlet of the drain valve 7 is connected to the bottom (outlet) of the Tesla tube 6, and the sealing method can be considered to be sealed with a seal or a threaded connection.

[0039] The preset liquid level threshold can be set according to actual needs, and can be set to a value such as two-thirds or three-quarters of the water storage chamber height.

[0040] According to one aspect of the present application, a control method for a high-pressure gas-liquid separator is proposed, and the method is applied to the high-pressure gas-liquid separator proposed above, with reference to Figure 4 As shown, Figure 4 This is a flow chart of the control method for the high-pressure gas-liquid separator proposed in this application, which includes steps S1-S2: Step S1, obtaining liquid level change data and liquid level height data of liquid water in the water storage chamber reported by the liquid level sensor; Step S2: determining whether to open the drain valve according to the liquid level change data and the liquid level height data.

[0041] Specifically, determining a liquid level change rate of the liquid water in the water storage chamber within a target period of time according to the liquid level change data; If the liquid level change rate exceeds a preset rate threshold and the liquid level height data exceeds a first preset liquid level height threshold, the drain valve is opened. The preset rate threshold can be set according to actual conditions. For example, the preset rate threshold represents that the liquid level rises by 30 cm in 10 seconds. If the preset rate threshold is exceeded, that is, the liquid level rises by more than 30 cm in 10 seconds, then it means that the current liquid level change rate is relatively fast.

[0042] Of course, it is obviously incomplete to only consider the liquid level change rate as a factor in whether to open the drain valve. Therefore, the real-time liquid level height data is combined to determine whether to open the drain valve to prevent excessive water in the water storage chamber from overflowing into the gas-liquid separator and affecting the normal operation of the gas-liquid separator.

[0043] The opening of the drain valve is also related to the ambient temperature, and the temperature of the environment in which the high-pressure gas-liquid separator is located is obtained; When the high-pressure gas-liquid separator is not in operation, if the temperature is lower than a preset temperature threshold and the liquid level data is less than or equal to a second preset liquid level threshold, closing the drain valve; When the high-pressure gas-liquid separator is not in operation, if the temperature is greater than or equal to the preset temperature threshold and the liquid level data is greater than or equal to a second preset liquid level threshold, the drain valve is opened.

[0044] The first preset liquid level height threshold and the second preset liquid level height threshold can be set as needed, but the first preset liquid level height threshold must be much larger than the second preset liquid level height threshold. The design principle is reflected as follows.

[0045] like Figure 5 As shown, Figure 5 This is the system workflow diagram of the entire PEM water electrolysis hydrogen production system: Keep the controller powered on and determine whether the system is running; if the system is running, use the liquid level data (liquid level change data and liquid level height data) fed back by the liquid level sensor 5 to determine whether the liquid level change data V is greater than or equal to V1, and whether the liquid level height data H is greater than or equal to H1 (the selection of V1 and H1 values here needs to be based on the structure and flow resistance characteristics of the Tesla tube, adapted to the liquid sealing requirements of the system, and related to the table of the opening frequency and opening duration of the drain valve 7 associated with the operating point; or V1 is taken as the full scale of the liquid level sensor 5 / 10s or the inner cavity height of the water storage chamber 4 / 10s, and H1 is taken as 2 / 3 of the full scale of the liquid level sensor 5 or 2 / 3 of the inner cavity height of the water storage chamber 4); if both are true, open the drain valve 7; if both are not true, control the operation of the drain valve 7 according to the table of the opening frequency and opening duration of the drain valve 7 associated with the operating point, and continue to determine whether the system is running.

[0046] If the system is not running, determine whether the ambient temperature T is less than or equal to T1 (here T1 can be considered to be 5°C, or a value between -5°C and 5°C); if the ambient temperature T is greater than T1, continue to determine whether the system is running; if the ambient temperature T is less than or equal to T1, determine whether the liquid level height H is less than or equal to H2 (here H2 should be less than H1 and meet the system liquid sealing requirements, or the liquid level feedback of the liquid level sensor 5 is 0); if the liquid level height H feedbacked by the liquid level sensor 5 is greater than H2, open the drain valve 7, and continue to determine whether the system is running; if the liquid level height H feedbacked by the liquid level sensor 5 is less than or equal to H2, close the drain valve 7, and continue to determine whether the system is running.

[0047] H1 is the first preset liquid level threshold, H2 is the second preset liquid level threshold, and T1 is the preset temperature threshold. When T is less than or equal to T1 and H is greater than H2, it indicates that the ambient temperature is extremely low and there is a large amount of liquid water in the water storage chamber, which can easily cause the liquid water to freeze and affect the operation of the entire system. In this case, it is necessary to open the drain valve promptly to drain the liquid water as soon as possible before it freezes. Therefore, the value of H2 needs to be lower than H1 to prevent the water in the water storage chamber from being unable to be drained in time when the temperature is too low due to excessive water in the water storage chamber.

[0048] The table of the opening frequency and opening duration of the drain valve 7 associated with the operating point sets the opening of the drain valve at a certain time node and the opening duration. To a certain extent, it can detect the normal operation of the drain valve and prevent the drain valve from being unable to be opened due to failure to detect the drain valve failure due to lack of periodic testing when the drain valve needs to be opened, resulting in a backlog of liquid water in the entire high-pressure gas-liquid separator, which is not conducive to the normal operation of the entire system.

[0049] The high-pressure gas-liquid separator of the present application also includes other embodiments, such as Figure 6 、 Figure 7 and Figure 8 As shown, in Figure 6-Figure 8 In the case shown, the water storage chamber 4 and the liquid level sensor 5 are eliminated, and different solutions are selected in the gas-liquid separation chamber 3. The solutions selected for the gas-liquid separation chamber 3 are gravity type ( Figure 6 ), baffled ( Figure 7 ) and baffle + filter ( Figure 8 ). Compared with Figure 2 In the case without the water storage chamber 4 and liquid level sensor 5, drain valve 7 is controlled without the feedback signal from the liquid level sensor 5. Instead, it is controlled solely according to a table that correlates the opening frequency and duration of drain valve 7 at each operating point. This results in a faster opening frequency and a shorter opening duration. Furthermore, this case without the water storage chamber 4 and liquid level sensor 5 reduces the overall height of the high-pressure gas-liquid separator, lowering system costs.

[0050] To sum up, through the innovative structural design of the high-pressure gas-liquid separator of this application, combined with the description of the above principles, this application can achieve effective liquid sealing when the drain valve is opened. The high-humidity hydrogen discharged from the air inlet or the low-humidity hydrogen after gas-liquid separation cannot flow out of the drain valve, reducing the waste of hydrogen energy. At the same time, due to the good liquid sealing performance, the pressure established by the cathode of the PEM electrolyzer will not be lost, which can significantly improve the overall performance and safety of the PEM water electrolysis hydrogen production system.

[0051] According to one aspect of the present application, a control device 300 for a high-pressure gas-liquid separator is also provided. Figure 9 As shown, Figure 9 : is a block diagram of a control device 300 for a high-pressure gas-liquid separator, and the control device 300 for a high-pressure gas-liquid separator includes: An acquiring unit 301 is configured to acquire liquid level change data and liquid level height data of the liquid water in the water storage chamber reported by the liquid level sensor; The judgment unit 302 is used to judge whether to open the drain valve according to the liquid level change data and the liquid level height data.

[0052] The present application also discloses an electronic device, including: at least one processor; at least one memory for storing at least one program; When at least one program is executed by at least one processor, the at least one processor implements the above method.

[0053] It can be understood that the contents of the specific embodiments of the above-mentioned method are applicable to the embodiments of this electronic device. The functions specifically implemented by the embodiments of this electronic device are the same as those of the embodiments of the above-mentioned method, and the beneficial effects achieved are also the same as those achieved by the embodiments of the above-mentioned method.

[0054] For example, referring to Figure 10 , Figure 10 This is a schematic diagram of the structure of an electronic device provided in an embodiment of the present application. Taking the electronic device as a terminal device as an example, Figure 10 In the embodiment, the terminal device 1200 may include an RF (Radio Frequency) circuit 1210, a memory 1220 including one or more computer-readable storage media, an input unit 1230, a display unit 1240, a sensor 1250, an audio circuit 1260, a short-range wireless transmission module 1270, a processor 1280 including one or more processing cores, and a power supply 1290. Those skilled in the art will understand that Figure 10 The device structure shown in the figure does not constitute a limitation on the terminal device, and may include more or fewer components than shown in the figure, or combine certain components, or arrange the components differently.

[0055] The RF circuit 1210 can be used to receive and transmit signals during information transmission or calls. Specifically, it receives downlink information from the base station and transmits it to one or more processors 1180 for processing. It also transmits uplink data to the base station. Typically, the RF circuit 1210 includes, but is not limited to, an antenna, at least one amplifier, a tuner, one or more oscillators, a SIM card, a transceiver, a coupler, an LNA (Low Noise Amplifier), a duplexer, and the like. Furthermore, the RF circuit 1210 can communicate with the network and other devices via wireless communication. Wireless communication can utilize any communication standard or protocol, including but not limited to GSM (Global System of Mobile Communications), GPRS (General Packet Radio Service), CDMA (Code Division Multiple Access), WCDMA (Wideband Code Division Multiple Access), LTE (Long Term Evolution), email, and SMS (Short Messaging Service).

[0056] The memory 1220 can be used to store software programs and modules (or units). The processor 1280 executes various functional applications and data processing by running the software programs and modules (or units) stored in the memory 1220. The memory 1220 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application required for at least one function (such as a sound playback function, an image playback function), etc.; the data storage area may store data created according to the use of the terminal device 1200 (such as audio data, a phone book), etc. In addition, the memory 1220 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one disk storage device, a flash memory device, or other volatile solid-state storage device. Accordingly, the memory 1220 may also include a memory controller to provide the processor 1280 and the input unit 1230 with access to the memory 1220. Although Figure 10 The RF circuit 1210 is shown, but it is understandable that it is not a necessary component of the terminal device 1200 and can be omitted as needed without changing the essence of the invention.

[0057] The input unit 1230 can be used to receive input digital or character information and generate keyboard, mouse, joystick, optical, or trackball signal input related to object settings and function control. Specifically, the input unit 1230 may include a touch-sensitive surface 1231 and other input devices 1232. The touch-sensitive surface 1231, also known as a touch display or touchpad, can detect touch operations performed by an object on or near it (for example, operations performed by an object using a finger, stylus, or any other suitable object or accessory on or near the touch-sensitive surface 1231) and drive corresponding connected devices according to a pre-set program. Optionally, the touch-sensitive surface 1231 may include a touch detection device and a touch controller. The touch detection device detects the touch position of the object and detects signals generated by the touch operation, transmitting the signals to the touch controller. The touch controller receives the touch information from the touch detection device, converts it into touch point coordinates, and then sends it to the processor 1280. It can also receive and execute instructions from the processor 1280. In addition, the touch-sensitive surface 1231 can be implemented using various types such as resistive, capacitive, infrared, and surface acoustic wave. In addition to the touch-sensitive surface 1231, the input unit 1230 can also include other input devices 1232. Specifically, the other input devices 1232 can include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, power keys, etc.), a trackball, a mouse, a joystick, and the like.

[0058] The display unit 1240 can be used to display information input by an object or information provided to an object and to control various graphic object interfaces of the terminal device 1200. These graphic object interfaces can be composed of graphics, text, icons, videos and any combination thereof. The display unit 1140 may include a display panel 1241. Optionally, the display panel 1241 may be configured in the form of an LCD (Liquid Crystal Display), an OLED (Organic Light-Emitting Diode), or the like. Furthermore, the touch-sensitive surface 1231 may be covered on the display panel 1241. When the touch-sensitive surface 1231 detects a touch operation on or near it, it is transmitted to the processor 1280 to determine the type of touch event. The processor 1280 then provides corresponding visual output on the display panel 1241 according to the type of touch event. Although in Figure 10 In the embodiment, the touch-sensitive surface 1231 and the display panel 1241 are implemented as two independent components to implement input and output functions, but in some embodiments, the touch-sensitive surface 1231 and the display panel 1241 can be integrated to implement input and output functions.

[0059] The terminal device 1200 may also include at least one sensor 1250, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display panel 1241 according to the brightness of the ambient light, and the proximity sensor may turn off the display panel 1241 or the backlight when the terminal device 1200 is moved to the ear. As a type of motion sensor, the gravity acceleration sensor can detect the magnitude of acceleration in all directions (generally three axes), and can detect the magnitude and direction of gravity when stationary. It can be used for applications that recognize the posture of the mobile phone (such as switching between horizontal and vertical screens, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer, tapping), etc.; as for other sensors that can be configured in the terminal device 1200, such as gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., they will not be described in detail here.

[0060] The audio circuit 1260, speaker 1261, and microphone 1262 provide an audio interface between the target device and the terminal device 1200. The audio circuit 1260 converts received audio data into electrical signals and transmits them to the speaker 1261, which then converts them into sound signals for output. Meanwhile, the microphone 1262 converts collected sound signals into electrical signals, which are then received by the audio circuit 1260 and converted into audio data. The audio data is then processed by the output processor 1280 and transmitted to another electronic device via the RF circuit 1210. Alternatively, the audio data is output to the memory 1220 for further processing. The audio circuit 1260 may also include an earphone jack to facilitate communication between an external headset and the terminal device 1200.

[0061] The short-range wireless transmission module 1270 may be a WIFI (wireless fidelity) module, a Bluetooth module, an infrared module, etc. The terminal device 1200 may transmit information with wireless transmission modules provided on other devices via the short-range wireless transmission module 1270 .

[0062] Processor 1280 is the control center of terminal device 1200. It connects the various components of the entire device using various interfaces and circuits. By running or executing software programs or modules stored in memory 1220 and accessing data stored in memory 1220, it performs various functions of terminal device 1200 and processes data, thereby providing overall control over the device. Optionally, processor 1280 may include one or more processing cores; alternatively, processor 1280 may integrate an application processor and a modem processor, with the application processor primarily handling the operating system, object interfaces, and application programs, while the modem processor primarily handles wireless communications. It is understood that the modem processor may not be integrated into processor 1280.

[0063] The terminal device 1200 also includes a power supply 1290 (e.g., a battery) for supplying power to various components. Optionally, the power supply 1290 can be logically connected to the processor 1280 via a power management system, thereby enabling the power management system to manage charging, discharging, and power consumption. The power supply 1290 can also include one or more DC or AC power supplies, a recharging system, a power failure detection circuit, a power converter or inverter, a power status indicator, and other arbitrary components.

[0064] Although not shown, the terminal device 1200 may also include a camera, a Bluetooth module, etc., which will not be described in detail here.

[0065] The embodiment of the present application further discloses a computer-readable storage medium, which stores a program executable by a processor. The program executable by the processor is used to implement the method embodiment as described above when executed by the processor.

[0066] It can be understood that the contents of the above-mentioned method embodiments are all applicable to the computer-readable storage medium embodiments. The functions specifically implemented by the computer-readable storage medium embodiments are the same as those of the above-mentioned method embodiments, and the beneficial effects achieved are also the same as those achieved by the above-mentioned method embodiments.

[0067] The embodiments of the present application further disclose a computer program product or a computer program, wherein the computer program product or the computer program includes computer instructions, and the computer instructions are stored in the above-mentioned computer-readable storage medium; Figure 10 The processor of the electronic device shown can read the computer instructions from the above-mentioned computer-readable storage medium, and the processor executes the computer instructions, so that the computer device executes the above-mentioned method.

[0068] It can be understood that the contents of the above-mentioned method embodiments are all applicable to this computer program product or computer program embodiment, and the functions specifically implemented by this computer program product or computer program embodiment are the same as those of the above-mentioned method embodiments, and the beneficial effects achieved are also the same as those achieved by the above-mentioned method embodiments.

[0069] In some optional embodiments, the functions / operations mentioned in the block diagram may not occur in the order mentioned in the operation diagram. For example, depending on the functions / operations involved, the two boxes shown in succession may actually be executed substantially simultaneously or the boxes can sometimes be executed in reverse order. In addition, the embodiments presented and described in the flow chart of the present application are provided in an exemplary manner for the purpose of providing a more comprehensive understanding of the technology. The disclosed method is not limited to the operations and logic flows presented herein. Optional embodiments are contemplated in which the order of the various operations is changed and the sub-operations described as a part of a larger operation are performed independently.

[0070] In addition, although the present application is described in the context of functional modules, it should be understood that, unless otherwise stated, one or more of the functions and / or features may be integrated into a single physical device and / or software module, or one or more functions and / or features may be implemented in separate physical devices or software modules. It is also understood that a detailed discussion of the actual implementation of each module is not necessary for understanding the present application. More specifically, given the properties, functions, and internal relationships of the various functional modules in the devices disclosed herein, the actual implementation of the module will be understood within the routine skills of an engineer. Therefore, a person skilled in the art can implement the present application as set forth in the claims using ordinary techniques without undue experimentation. It is also understood that the specific concepts disclosed are merely illustrative and are not intended to limit the scope of the present application, which is determined by the full scope of the appended claims and their equivalents.

[0071] If the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application, or the part that contributes to the existing technology, or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes a number of instructions for enabling a computer device (which can be a personal computer, server, or network device, etc.) to execute all or part of the steps of the various embodiments of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk, and other media that can store program code.

[0072] The logic and / or steps represented in a flowchart or otherwise described herein, for example, can be considered as a sequenced list of executable instructions for implementing the logical functions, and can be embodied in any computer-readable storage medium for use by, or in conjunction with, an instruction execution system, apparatus, or device (e.g., a computer-based system, a system including a processor, or other system that can fetch and execute instructions from an instruction execution system, apparatus, or device). For purposes of this specification, a "computer-readable storage medium" can be any device that can contain, store, communicate, propagate, or transport a program for use by, or in conjunction with, an instruction execution system, apparatus, or device.

[0073] It should be understood that various parts of this application can be implemented using hardware, software, firmware, or a combination thereof. In the above-described embodiments, multiple steps or methods can be implemented using software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented using hardware, as in another embodiment, any one of the following technologies known in the art or a combination thereof can be used: a discrete logic circuit having logic gate circuits for implementing logic functions on data signals, an application-specific integrated circuit having suitable combinational logic gate circuits, a programmable gate array (PGA), a field-programmable gate array (FPGA), etc.

[0074] In the above description of this specification, reference to the terms "one embodiment / example," "another embodiment / example," or "certain embodiments / examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples.

[0075] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and intent of the present application, and that the scope of the present application is defined by the claims and their equivalents.

[0076] The above is a specific description of the preferred implementation of the present application, but the present application is not limited to the embodiments. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit of the present application, and these equivalent modifications or substitutions are all included in the scope defined by the claims of the present application.

Claims

1. A high-pressure gas-liquid separator, characterized in that: The high-pressure gas-liquid separator includes an air inlet, a gas-liquid separation chamber, a water storage chamber, a liquid level sensor, a Tesla tube and a drain valve arranged in sequence from top to bottom; The gas inlet is arranged on the side of the gas-liquid separation chamber and is in communication with the gas-liquid separation chamber, so as to pass the high-humidity hydrogen generated by the cathode of the PEM electrolyzer into the gas-liquid separation chamber; The gas-liquid separation chamber has a bottom connected to the water storage chamber, so as to perform gas-liquid separation on the high-humidity hydrogen, and the liquid water obtained after the gas-liquid separation flows into the water storage chamber; The liquid level sensor is arranged in the water storage chamber to monitor the liquid level change in the water storage chamber; The Tesla tube is connected to the water storage chamber and the drain valve, and includes a first bifurcated circuit and a second bifurcated circuit; The liquid water flowing from the water storage chamber into the Tesla tube reaches the first bifurcated circuit and the second bifurcated circuit in sequence, and the top height of the first bifurcated circuit is higher than the top height of the second bifurcated circuit.

2. The high-pressure gas-liquid separator according to claim 1, characterized in that The high-pressure gas-liquid separator further includes a gas outlet, which is arranged at the top of the gas-liquid separation chamber. The low-humidity hydrogen obtained after the gas-liquid separation of the high-humidity hydrogen by the gas-liquid separation chamber is discharged through the gas outlet.

3. The high-pressure gas-liquid separator according to claim 1, characterized in that The drain valve is used to be turned on when the liquid level in the water storage chamber is higher than a preset liquid level threshold, so as to maintain the liquid level in the water storage chamber below the preset liquid level threshold.

4. The high-pressure gas-liquid separator according to claim 1, characterized in that The drain valve is used to conduct when the liquid level in the water storage chamber rises faster than a preset liquid level change threshold.

5. A control method for a high-pressure gas-liquid separator, characterized in that: Applied to the high-pressure gas-liquid separator according to any one of claims 1 to 4, the control method comprises: Acquiring liquid level change data and liquid level height data of the liquid water in the water storage chamber reported by the liquid level sensor; Determine whether to open the drain valve based on the liquid level change data and the liquid level height data.

6. The control method of the high-pressure gas-liquid separator according to claim 5, characterized in that: The determining whether to open the drain valve according to the liquid level change data and the liquid level height data includes: determining a liquid level change rate of the liquid water in the water storage chamber within a target period of time according to the liquid level change data; If the liquid level change rate is higher than a preset rate threshold, and the liquid level height data is higher than a first preset liquid level height threshold, the drain valve is opened.

7. The control method of the high-pressure gas-liquid separator according to claim 6, characterized in that: The method further comprises: Obtaining the temperature of the environment in which the high-pressure gas-liquid separator is located; When the high-pressure gas-liquid separator is not in operation, if the temperature is lower than a preset temperature threshold and the liquid level data is less than or equal to a second preset liquid level threshold, closing the drain valve; When the high-pressure gas-liquid separator is not in operation, if the temperature is greater than or equal to the preset temperature threshold and the liquid level data is greater than or equal to a second preset liquid level threshold, the drain valve is opened.

8. A control device for a high-pressure gas-liquid separator, characterized in that: The device comprises: an acquiring unit, configured to acquire liquid level change data and liquid level height data of the liquid water in the water storage chamber reported by the liquid level sensor; A judgment unit is used to judge whether to open the drain valve according to the liquid level change data and the liquid level height data.

9. An electronic device, characterized in that: The electronic device includes a memory and a processor, the memory stores a computer program, and the processor implements the control method of the high-pressure gas-liquid separator according to any one of claims 5 to 7 when executing the computer program.

10. A computer-readable storage medium storing a computer program, characterized in that: When the computer program is executed by a processor, the control method of the high-pressure gas-liquid separator according to any one of claims 5 to 7 is implemented.

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