Driving pressure control method and apparatus, device, and storage medium

Abstract

Disclosed in the present invention are a driving pressure control method and apparatus, a device, and a storage medium. The driving pressure control method is applied to an intra-aortic balloon pump, and comprises: regulating a rotational speed of a pump according to a pre-acquired pump rotational speed parameter, so as to establish an initial vacuum storage tank pressure in a vacuum storage tank and establish an initial storage tank pressure difference between the vacuum storage tank and a high-pressure storage tank; regulating and controlling a pressure in the vacuum storage tank to a target vacuum storage tank pressure according to the initial vacuum storage tank pressure and the target vacuum storage tank pressure; regulating and controlling a pressure difference between the vacuum storage tank and the high-pressure storage tank to a target storage tank pressure difference according to the initial storage tank pressure difference and the target storage tank pressure difference; and if the pressure in the vacuum storage tank and the pressure difference between the vacuum storage tank and the high-pressure storage tank tend to be stable, regulating the rotational speed of the pump to a target rotational speed under the condition of maintaining the normal operation of the intra-aortic balloon pump. According to the present invention, the pressure of the vacuum storage tank and the pressure of the high-pressure storage tank can be separately regulated and controlled to the proper pressure, thereby improving the use stability of each tank.

Description

Drive pressure control method, device, equipment and storage medium Technical Field

[0001] The present invention relates to the technical field of an intra-aortic balloon counterpulsation pump with a dual proportional valve, and in particular to a driving pressure control method, device, equipment and storage medium. Background Art

[0002] Currently, a common technical solution for intra-aortic balloon pumps involves an air pump that pressurizes and depressurizes two pressure reservoirs, one high-pressure and one vacuum. Two solenoid valves are then opened and closed alternately to generate positive pressure in the driver's airway. This pressure is then transmitted to the balloon via a flexible diaphragm, driving the gas inside the balloon to alternately expand and contract.

[0003] The pressure of the high-pressure storage tank and the vacuum storage tank needs to be maintained within a relatively stable range. By adjusting the speed of the pump, only the high and low pressure difference can be controlled, but the pressure of the two pressure storage tanks cannot be regulated individually, which may cause the pressure in a single tank to be out of control or insufficient. Summary of the Invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a driving pressure control method that can adjust the pressure of the vacuum storage tank and the high-pressure storage tank to an appropriate pressure, thereby improving the stability of each tank during use.

[0005] The present invention also provides a driving pressure control device.

[0006] The present invention also provides a driving pressure control device.

[0007] The present invention also provides a computer-readable storage medium.

[0008] In a first aspect, an embodiment of the present invention provides a driving pressure control method applied to an intra-aortic balloon counterpulsation pump, the intra-aortic balloon counterpulsation pump comprising: a pump, a vacuum storage tank, a high-pressure storage tank, a vacuum proportional valve, and a high-pressure proportional valve, the driving pressure control method comprising:

[0009] adjusting the speed of the pump according to a pre-acquired pump speed parameter to establish the pressure in the vacuum storage tank to an initial vacuum storage tank pressure, and to establish the pressure difference between the vacuum storage tank and the high-pressure storage tank to an initial storage tank pressure difference;

[0010] adjusting the opening of the vacuum proportional valve according to the initial vacuum storage tank pressure and the target vacuum storage tank pressure to regulate the pressure in the vacuum storage tank to the target vacuum storage tank pressure;

[0011] adjusting the opening of the high-pressure proportional valve according to the initial tank pressure difference and the target tank pressure difference to regulate the pressure difference between the vacuum tank and the high-pressure tank to the target tank pressure difference;

[0012] If the pressure in the vacuum storage tank and the pressure difference between the vacuum storage tank and the high-pressure storage tank tend to be stable, the speed of the pump is adjusted to the target speed while maintaining the normal operation of the intra-aortic balloon counterpulsation pump.

[0013] The driving pressure control method of the embodiment of the present invention has at least the following beneficial effects: obtaining parameters related to the speed regulation of the pump to obtain the pump speed parameters, adjusting the initial speed of the pump according to the pump speed parameters to adjust the speed of the pump to the corresponding initial speed of the pump, and then establishing the initial pressure in the vacuum storage tank, so that the pressure in the vacuum storage tank is adjusted to the initial vacuum storage tank pressure, and establishing the initial pressure in the high-pressure storage tank, so that the pressure difference between the vacuum storage tank and the high-pressure tank is adjusted to the initial tank pressure difference, and adjusting the opening of the vacuum proportional valve within the preset vacuum proportional valve opening range according to the initial vacuum storage tank pressure and the target vacuum storage tank pressure. The pressure in the vacuum storage tank is regulated so that it reaches the control error range of the target vacuum storage tank pressure. The opening of the high-pressure proportional valve is regulated within the preset high-pressure proportional valve opening range according to the initial storage tank pressure difference and the target storage tank pressure difference. The pressure difference between the vacuum storage tank and the high-pressure storage tank reaches the control error range of the target vacuum tank and high-pressure tank pressure difference. After the pressure in the vacuum storage tank and the pressure difference between the vacuum storage tank and the high-pressure tank tend to be stable, the speed of the pump is reduced as much as possible while maintaining the normal operation of the intra-aortic balloon counterpulsation pump, so that the speed of the pump is reduced to the lowest target speed value to obtain the target speed. The pump speed is adjusted using a pump speed parameter to establish an initial vacuum tank pressure within the vacuum tank and an initial tank pressure differential between the vacuum tank and the high-pressure tank. The pressure within the vacuum tank is regulated to the target vacuum tank pressure based on the initial vacuum tank pressure and the target vacuum tank pressure. The pressure differential between the vacuum tank and the high-pressure tank is regulated to the target tank pressure based on the initial tank pressure differential and the target tank pressure differential. This allows the pressures of the vacuum tank and the high-pressure tank to be adjusted to appropriate pressures, thereby improving the operational stability of each tank. The pump speed is controlled to be as low as possible based on the initial tank pressure differential, the target tank pressure differential, the current absolute opening position of the high-pressure proportional valve, and the current absolute opening position of the vacuum proportional valve, thereby improving the stability of the pressures within the vacuum tank and the high-pressure tank under conditions of the lowest possible pump speed.

[0014] According to some other embodiments of the present invention, the driving pressure control method, wherein adjusting the opening of the vacuum proportional valve according to the initial vacuum storage tank pressure and the target vacuum storage tank pressure to regulate the pressure in the vacuum storage tank to the target vacuum storage tank pressure, includes:

[0015] comparing the initial vacuum tank pressure with a preset pressure range;

[0016] If the initial vacuum storage tank pressure is not within the preset pressure range, obtaining the current opening of the vacuum proportional valve to obtain the initial vacuum proportional valve opening;

[0017] The opening of the vacuum proportional valve is adjusted according to the initial vacuum proportional valve opening and a preset vacuum proportional valve opening range to regulate the pressure in the vacuum storage tank to the target vacuum storage tank pressure.

[0018] According to other embodiments of the driving pressure control method of the present invention, the preset pressure range includes: a lower limit value of the vacuum storage tank pressure, the preset vacuum proportional valve opening range includes: a lower limit value of the vacuum proportional valve opening, and adjusting the opening of the vacuum proportional valve according to the initial vacuum proportional valve opening and the preset vacuum proportional valve opening range includes:

[0019] If the initial vacuum storage tank pressure is lower than the vacuum storage tank pressure lower limit, the pressure rise rate of the vacuum storage tank is greater than a first pressure change rate threshold, and the opening of the vacuum proportional valve is greater than the vacuum proportional valve opening lower limit, then adjusting the step according to a preset first pressure adjustment amplitude to reduce the opening of the vacuum proportional valve until the opening of the vacuum proportional valve is adjusted to the vacuum proportional valve opening lower limit;

[0020] If the pressure rising rate is between the first pressure change rate threshold and the second pressure change rate threshold, the opening of the vacuum proportional valve is not adjusted;

[0021] If the pressure rise rate is less than the second pressure change rate threshold, the absolute value of the pressure rise rate is less than the third pressure change rate threshold, and the absolute value of the difference between the initial vacuum storage tank pressure and the target vacuum storage tank pressure is less than the pressure difference threshold, then adjusting the step according to the preset second pressure adjustment amplitude to increase the opening of the vacuum proportional valve;

[0022] If the pressure rise rate is less than the second pressure change rate threshold, and the absolute value of the pressure rise rate is not less than the third pressure change rate threshold, or the absolute value of the difference between the initial vacuum storage tank pressure and the target vacuum storage tank pressure is not less than the pressure difference threshold, the step is adjusted according to the preset third pressure adjustment amplitude to increase the opening of the vacuum proportional valve.

[0023] According to some other embodiments of the driving pressure control method of the present invention, the preset pressure range includes: an upper limit value of the vacuum storage tank pressure, and the adjusting the opening of the vacuum proportional valve according to the initial vacuum proportional valve opening and the preset vacuum proportional valve opening range further includes:

[0024] If the initial vacuum storage tank pressure is greater than the vacuum storage tank pressure upper limit, and the pressure drop rate of the vacuum storage tank is greater than a fourth pressure change rate threshold, adjusting the step according to a preset fourth pressure adjustment amplitude to increase the opening of the vacuum proportional valve;

[0025] If the pressure drop rate is between the fourth pressure change rate threshold and the fifth pressure change rate threshold, the opening of the vacuum proportional valve is not adjusted;

[0026] If the pressure drop rate is less than the fourth pressure change rate threshold, the absolute value of the pressure drop rate is less than the sixth pressure change rate threshold, and the absolute value of the difference between the initial vacuum storage tank pressure and the target vacuum storage tank pressure is less than the pressure difference threshold, then adjusting the opening of the vacuum proportional valve according to a preset fifth pressure regulation amplitude step, until the opening of the vacuum proportional valve is adjusted to the vacuum proportional valve opening lower limit value;

[0027] If the pressure drop rate is less than the fifth pressure change rate threshold, and the absolute value of the pressure drop rate is not less than the sixth pressure change rate threshold, or the absolute value of the difference between the initial vacuum storage tank pressure and the target vacuum storage tank pressure is not less than the pressure difference threshold, the opening of the vacuum proportional valve is increased by adjusting the step according to the preset sixth pressure adjustment amplitude until the opening of the vacuum proportional valve is adjusted to the lower limit value of the vacuum proportional valve opening.

[0028] According to some other embodiments of the present invention, the driving pressure control method, wherein adjusting the opening of the high-pressure proportional valve according to the initial tank pressure difference and the target tank pressure difference to control the pressure difference between the vacuum tank and the high-pressure tank to the target tank pressure difference, includes:

[0029] comparing the initial tank pressure differential with a preset positive pressure differential range;

[0030] If the initial storage tank pressure difference is not within the preset positive pressure difference range, obtaining the current opening of the high-pressure proportional valve to obtain the initial high-pressure proportional valve opening;

[0031] The opening of the high-pressure proportional valve is adjusted according to the initial high-pressure proportional valve opening and a preset high-pressure proportional valve opening range to regulate the pressure difference between the vacuum storage tank and the high-pressure storage tank to the target tank pressure difference.

[0032] According to some other embodiments of the driving pressure control method of the present invention, the preset positive pressure differential range includes: a positive pressure differential upper limit value, the preset high-pressure proportional valve opening range includes: a high-pressure proportional valve opening lower limit value, and adjusting the opening of the high-pressure proportional valve according to the initial high-pressure proportional valve opening and the preset high-pressure proportional valve opening range includes:

[0033] If the initial storage tank pressure difference is greater than the positive pressure difference upper limit, the pressure difference decrease rate between the vacuum storage tank and the high-pressure storage tank is greater than a first pressure difference change rate threshold, and the opening of the high-pressure proportional valve is greater than the high-pressure proportional valve opening lower limit, then the opening of the vacuum proportional valve is reduced by adjusting the step according to the preset first pressure difference adjustment amplitude until the opening of the vacuum proportional valve is adjusted to the vacuum proportional valve opening lower limit;

[0034] If the pressure difference decrease rate is between the first pressure difference change rate threshold and the second pressure difference change rate threshold, then the opening of the high-pressure proportional valve is not adjusted;

[0035] If the pressure differential decrease rate is less than the second pressure differential change rate threshold, and the absolute value of the pressure differential decrease rate is less than the third pressure differential change rate threshold, and the absolute value of the difference between the initial tank pressure differential and the target tank pressure differential is less than the pressure differential difference threshold, then the opening of the high-pressure proportional valve is increased by adjusting the step according to the preset second pressure differential adjustment amplitude;

[0036] If the pressure difference decrease rate is less than the second pressure difference change rate threshold, and the absolute value of the pressure difference decrease rate is not less than the third pressure difference change rate threshold or the absolute value of the difference between the initial tank pressure difference and the target tank pressure difference is not less than the pressure difference value threshold, then the step is adjusted according to the preset third pressure difference adjustment amplitude to increase the opening of the high-pressure proportional valve.

[0037] According to some other embodiments of the driving pressure control method of the present invention, the preset positive pressure differential range includes: a positive pressure differential lower limit value, and the adjusting the opening of the high-pressure proportional valve according to the initial high-pressure proportional valve opening and the preset high-pressure proportional valve opening range further includes:

[0038] If the initial tank pressure difference is less than the positive pressure difference lower limit, and the pressure difference rising rate is greater than a fourth pressure difference change rate threshold, the opening of the high-pressure proportional valve is increased by adjusting the step according to the preset fourth pressure difference adjustment amplitude;

[0039] If the pressure difference rising rate is between the fourth pressure difference change rate threshold and the fifth pressure difference change rate threshold, the opening of the high-pressure proportional valve is not adjusted;

[0040] If the pressure differential rising rate is less than the fifth pressure differential change rate threshold, and the absolute value of the pressure differential rising rate is less than the sixth pressure differential change rate threshold, and the absolute value of the difference between the initial storage tank pressure differential and the target storage tank pressure differential is less than the pressure differential difference threshold, then the opening of the high-pressure proportional valve is reduced according to the preset fifth pressure differential adjustment amplitude adjustment step until the opening of the high-pressure proportional valve is adjusted to the high-pressure proportional valve opening lower limit value;

[0041] If the pressure difference rising rate is less than the fifth pressure difference change rate threshold, and the absolute value of the pressure difference rising rate is not less than the sixth pressure difference change rate threshold or the absolute value of the difference between the initial tank pressure difference and the target tank pressure difference is not less than the pressure difference value threshold, then the step is adjusted according to the preset sixth pressure difference adjustment amplitude to reduce the opening of the high-pressure proportional valve until the opening of the high-pressure proportional valve is adjusted to the lower limit value of the high-pressure proportional valve opening.

[0042] According to the driving pressure control method of other embodiments of the present invention, the preset air pump speed range includes: an air pump speed upper limit value and an air pump speed lower limit value, and adjusting the pump speed to the target speed includes:

[0043] If the initial tank pressure difference is within the preset positive pressure difference range, obtaining the current speed of the pump to obtain the initial air pump speed;

[0044] Within a preset time, if the average pressure difference between the vacuum storage tank and the high-pressure storage tank is greater than the lower limit of the positive pressure difference, and the initial high-pressure proportional valve opening and the initial vacuum proportional valve opening are both greater than the preset threshold values, then the pump speed is reduced until the pump speed lower limit is reached;

[0045] Within the preset time, if the average pressure difference between the vacuum storage tank and the high-pressure storage tank is less than the lower limit of the positive pressure difference, the speed of the pump is increased until the upper limit of the air pump speed is reached.

[0046] In a second aspect, an embodiment of the present invention provides a driving pressure control device for use in an intra-aortic balloon counterpulsation pump, the intra-aortic balloon counterpulsation pump comprising: a pump, a vacuum storage tank, a high-pressure storage tank, a vacuum proportional valve, and a high-pressure proportional valve, the driving pressure control device comprising:

[0047] a tank pressure establishing module, configured to adjust the pump speed according to a pre-acquired pump speed parameter to establish the pressure in the vacuum storage tank to an initial vacuum storage tank pressure, and to establish the pressure difference between the vacuum storage tank and the high-pressure storage tank to the initial storage tank pressure difference;

[0048] a vacuum proportional valve control module, configured to adjust the opening of the vacuum proportional valve according to the initial vacuum storage tank pressure and the target vacuum storage tank pressure, so as to control the pressure in the vacuum storage tank to the target vacuum storage tank pressure;

[0049] a high-pressure proportional valve control module, configured to adjust the opening of the high-pressure proportional valve according to the initial storage tank pressure difference and the target storage tank pressure difference, so as to control the pressure difference between the vacuum storage tank and the high-pressure storage tank to the target storage tank pressure difference;

[0050] The pump speed regulating module is used to regulate the speed of the pump to the target speed if the pressure in the vacuum storage tank and the pressure difference between the vacuum storage tank and the high-pressure storage tank tend to be stable after the speed of the pump, while maintaining the normal operation of the intra-aortic balloon counterpulsation pump.

[0051] The driving pressure control device of the embodiment of the present invention has at least the following beneficial effects: the tank pressure establishing module obtains parameters related to the speed adjustment of the pump, obtains the pump speed parameters, adjusts the initial speed of the pump according to the pump speed parameters, so as to adjust the speed of the pump to the corresponding initial pump speed, and then establishes the initial pressure in the vacuum storage tank, so that the pressure in the vacuum storage tank is adjusted to the initial vacuum storage tank pressure, and establishes the initial pressure in the high-pressure storage tank, so that the pressure difference between the vacuum storage tank and the high-pressure tank is adjusted to the initial tank pressure difference, and the vacuum proportional valve control module adjusts the opening of the vacuum proportional valve within the preset vacuum proportional valve opening range according to the initial vacuum storage tank pressure and the target vacuum storage tank pressure. The high-pressure proportional valve control module regulates the opening of the high-pressure proportional valve within the preset high-pressure proportional valve opening range according to the initial tank pressure difference and the target tank pressure difference, so that the pressure difference between the vacuum tank and the high-pressure tank reaches the control error range of the target vacuum tank and high-pressure tank pressure difference. After the pressure in the vacuum tank and the pressure difference between the vacuum tank and the high-pressure tank tend to be stable, the pump speed regulation module reduces the pump speed as much as possible while maintaining the normal operation of the intra-aortic balloon counterpulsation pump, so that the pump speed is reduced to the lowest target value to obtain the target speed. The pump speed is adjusted using a pump speed parameter to establish an initial vacuum tank pressure within the vacuum tank and an initial tank pressure differential between the vacuum tank and the high-pressure tank. The pressure within the vacuum tank is regulated to the target vacuum tank pressure based on the initial vacuum tank pressure and the target vacuum tank pressure. The pressure differential between the vacuum tank and the high-pressure tank is regulated to the target tank pressure based on the initial tank pressure differential and the target tank pressure differential. This allows the pressures of the vacuum tank and the high-pressure tank to be adjusted to appropriate pressures, thereby improving the operational stability of each tank. The pump speed is controlled to be as low as possible based on the initial tank pressure differential, the target tank pressure differential, the current absolute opening position of the high-pressure proportional valve, and the current absolute opening position of the vacuum proportional valve, thereby improving the stability of the pressures within the vacuum tank and the high-pressure tank under conditions of the lowest possible pump speed.

[0052] In a third aspect, an embodiment of the present invention provides a driving pressure control device, comprising:

[0053] at least one processor, and

[0054] a memory communicatively connected to the at least one processor; wherein,

[0055] The memory stores instructions that can be executed by the at least one processor, and the instructions are executed by the at least one processor to enable the at least one processor to perform the driving pressure control method as described in the first aspect.

[0056] In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, wherein the computer-readable storage medium stores computer-executable instructions, and the computer-executable instructions are used to enable a computer to execute the driving pressure control method as described in the first aspect.

[0057] Other features and advantages of the present application will be described in the following description, and in part will become apparent from the description, or will be understood by practicing the present application. The purpose and other advantages of the present application can be realized and obtained through the structures particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0058] FIG1 is a schematic flow chart of a specific embodiment of a driving pressure control method according to an embodiment of the present invention;

[0059] FIG2 is a flow chart of a specific embodiment of step S102 in FIG1 ;

[0060] FIG3 is a flow chart of a specific embodiment of step S203 in FIG2 ;

[0061] FIG4 is a flow chart of another specific embodiment of step S203 in FIG2 ;

[0062] FIG5 is a flow chart of a specific embodiment of step S103 in FIG1 ;

[0063] FIG6 is a flow chart of a specific embodiment of step S503 in FIG5 ;

[0064] FIG7 is a flow chart of another specific embodiment of step S503 in FIG5 ;

[0065] FIG8 is a block diagram of a specific embodiment of a driving pressure control device according to an embodiment of the present invention;

[0066] FIG9 is a flow chart of a specific embodiment of step S104 in FIG1 ;

[0067] 10 is a schematic diagram of a specific embodiment of an intra-aortic balloon pump according to an embodiment of the present invention;

[0068] 11 is a schematic diagram of another specific embodiment of the intra-aortic balloon pump according to an embodiment of the present invention;

[0069] FIG12 is a schematic diagram of a specific embodiment of the relationship between the influence of various factors in an embodiment of the present invention;

[0070] 13 is a schematic flow chart of another specific embodiment of the driving pressure control method according to an embodiment of the present invention;

[0071] FIG14 is a flow chart of another specific embodiment of the driving pressure control method according to an embodiment of the present invention.

[0072] Description of the accompanying drawings: tank pressure establishing module 801 , vacuum proportional valve regulating module 802 , high-pressure proportional valve regulating module 803 , pump speed regulating module 804 . DETAILED DESCRIPTION

[0073] The following will clearly and completely describe the concept and technical effects of the present invention in conjunction with the embodiments to fully understand the purpose, features and effects of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the present invention.

[0074] In the description of the present invention, if any directional description is involved, such as "upper," "lower," "front," "back," "left," "right," etc., indicating directions or positional relationships, these are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, be constructed or operate in a specific orientation. Therefore, they should not be understood as limiting the present invention. If a feature is referred to as being "disposed," "fixed," "connected," or "mounted" on another feature, it may be directly disposed, fixed, or connected to the other feature, or indirectly disposed, fixed, connected, or mounted on the other feature.

[0075] In the description of the embodiments of the present invention, if the word "several" is mentioned, it means more than one; if the word "plurality" is mentioned, it means more than two; if the word "greater than," "less than," or "exceeds," it should be understood as excluding the number itself; if the word "above," "below," or "within" is mentioned, it should be understood as including the number itself. If the word "first" or "second" is mentioned, it should be understood as distinguishing technical features and should not be understood as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0076] Currently, a common technical solution for intra-aortic balloon pumps involves an air pump that pressurizes and depressurizes two pressure reservoirs, one high-pressure and one vacuum. Two solenoid valves are then opened and closed alternately to generate positive pressure in the driver's airway. This pressure is then transmitted to the balloon via a flexible diaphragm, driving the gas inside the balloon to alternately expand and contract.

[0077] The pressure of the high-pressure storage tank and the vacuum storage tank needs to be maintained within a relatively stable range. By adjusting the speed of the pump, only the high and low pressure difference can be controlled, but the pressure of the two pressure storage tanks cannot be regulated individually, which may cause the pressure in a single tank to be out of control or insufficient.

[0078] The timing of inflation and deflation varies depending on the desired frequency of balloon-assisted actuation and the desired degree of filling for each assist. The pressure reserve consumption within the high-pressure and vacuum reservoirs during balloon actuation also changes dynamically. Driving the high-pressure and vacuum reservoirs at a fixed air pump speed inevitably results in insufficient or excessive pressure.

[0079] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a driving pressure control method that can adjust the pressure of the vacuum storage tank and the high-pressure storage tank to an appropriate pressure, thereby improving the stability of each tank during use.

[0080] Please refer to Figure 1, which shows a flow chart of a driving pressure control method according to an embodiment of the present invention. In some embodiments, the method is applied to an intra-aortic balloon counterpulsation pump, which includes a pump, a vacuum reservoir, a high-pressure reservoir, a vacuum proportional valve, and a high-pressure proportional valve. The driving pressure control method may include, but is not limited to, steps S101 to S104.

[0081] Step S101, adjusting the pump speed according to the pre-acquired pump speed parameter to build up the pressure in the vacuum storage tank to the initial vacuum storage tank pressure, and to build up the pressure difference between the vacuum storage tank and the high-pressure storage tank to the initial storage tank pressure difference;

[0082] Step S102, adjusting the opening of the vacuum proportional valve according to the initial vacuum storage tank pressure and the target vacuum storage tank pressure to control the pressure in the vacuum storage tank to the target vacuum storage tank pressure;

[0083] Step S103, adjusting the opening of the high-pressure proportional valve according to the initial tank pressure difference and the target tank pressure difference, so as to control the pressure difference between the vacuum tank and the high-pressure tank to the target tank pressure difference;

[0084] Step S104: If the pressure in the vacuum storage tank and the pressure difference between the vacuum storage tank and the high-pressure storage tank tend to be stable, the speed of the pump is adjusted to the target speed while maintaining the normal operation of the intra-aortic balloon pump.

[0085] In the embodiment of the present application, steps S101 to S104 are used to obtain parameters for adjusting the speed of the pump, obtain pump speed parameters, and adjust the initial speed of the pump according to the pump speed parameters to adjust the speed of the pump to the corresponding initial speed of the pump, thereby establishing an initial pressure in the vacuum storage tank, so that the pressure in the vacuum storage tank is adjusted to the initial vacuum storage tank pressure, and establishing an initial pressure in the high-pressure storage tank, so that the pressure difference between the vacuum storage tank and the high-pressure tank is adjusted to the initial storage tank pressure difference, and adjusting the opening of the vacuum proportional valve within the preset vacuum proportional valve opening range according to the initial vacuum storage tank pressure and the target vacuum storage tank pressure. Regulate the pressure in the vacuum tank so that it reaches the control error range of the required target vacuum tank pressure. According to the initial tank pressure difference and the target tank pressure difference, the opening of the high-pressure proportional valve is regulated within the preset high-pressure proportional valve opening range so that the pressure difference between the vacuum tank and the high-pressure tank reaches the control error range of the target vacuum tank and high-pressure tank pressure difference. After the pressure in the vacuum tank and the pressure difference between the vacuum tank and the high-pressure tank tend to be stable, the speed of the pump is reduced as much as possible while maintaining the normal operation of the intra-aortic balloon counterpulsation pump, so that the speed of the pump is reduced to the lowest target value to obtain the target speed. The pump speed is adjusted using a pump speed parameter to establish an initial vacuum tank pressure within the vacuum tank and an initial tank pressure differential between the vacuum tank and the high-pressure tank. The pressure within the vacuum tank is regulated to the target vacuum tank pressure based on the initial vacuum tank pressure and the target vacuum tank pressure. The pressure differential between the vacuum tank and the high-pressure tank is regulated to the target tank pressure based on the initial tank pressure differential and the target tank pressure differential. This allows the pressures of the vacuum tank and the high-pressure tank to be adjusted to appropriate pressures, thereby improving the operational stability of each tank. The pump speed is controlled to be as low as possible based on the initial tank pressure differential, the target tank pressure differential, the current absolute opening position of the high-pressure proportional valve, and the current absolute opening position of the vacuum proportional valve, thereby improving the stability of the pressures within the vacuum tank and the high-pressure tank under conditions of the lowest possible pump speed.

[0086] It should be noted that the target vacuum reservoir pressure is set by the physician based on the patient's physiological needs and is pre-set in the intra-aortic balloon pump control system. Furthermore, the target vacuum reservoir pressure is determined by the pump's performance, influenced by factors such as diaphragm thickness, system tracheal length, normal intra-balloon pressure, and the balloon coefficient. The target vacuum reservoir pressure influences the pressure within the balloon, ensuring full balloon deflation.

[0087] The initial tank differential pressure is the initial pressure difference between the vacuum tank and the high-pressure tank after adjusting the pump speed. The target tank differential pressure is the target pressure difference between the vacuum tank and the high-pressure tank to which the pressure difference is adjusted. The target tank differential pressure can be within a range of pressure differences and is the final pressure difference between the vacuum tank and the high-pressure tank after adjusting the opening of the high-pressure proportional valve.

[0088] The ultimate goal of regulating the internal pressure of the intra-aortic balloon counterpulsation pump is to stabilize the high pressure and negative pressure, thereby providing a power source for the expansion and contraction of the balloon. There are many factors that affect the positive and negative pressures inside the instrument. Referring to Figure 12, Figure 12 shows a schematic diagram of the influence relationship of various factors in an embodiment of the present invention. The "+" in the figure indicates that the increase in the physical quantity at the starting point of the arrow leads to an increase in the physical quantity at the end point of the arrow. The "-" in the figure indicates that the increase in the physical quantity at the starting point of the arrow leads to a decrease in the physical quantity at the end point of the arrow. For example, adjusting the speed of the pump will simultaneously affect the pressure difference between the vacuum storage tank and the high-pressure storage tank and the pressure of the vacuum storage tank, which is manifested as increasing the speed of the pump, which will reduce the pressure inside the vacuum storage tank and increase the pressure difference between the vacuum storage tank and the high-pressure storage tank; correspondingly, adjusting the opening of the vacuum proportional valve will affect the pressure of the vacuum storage tank.

[0089] In some embodiments, the pressure inside the vacuum storage tank is determined by the vacuum proportional valve opening, the pump speed, and the negative pressure gas consumption. Gas consumption is a variable affected by multiple factors, such as the patient's heart rate, the pressure difference between the vacuum storage tank and the high-pressure storage tank, and the duration of inflation and deflation. It cannot be actively regulated, but it can be considered stable within a certain period of time and can be predicted by the patient's heart rate and the frequency of assistance. In this case, the main way to regulate pressure is to adjust the vacuum proportional valve opening and the pump speed to match the pressure gas consumption, thereby achieving a stable pressure.

[0090] In some embodiments, the pressure inside the high-pressure storage tank is determined by the pressure inside the vacuum storage tank, the opening of the high-pressure proportional valve, the speed of the pump, and the positive pressure gas consumption. Therefore, the main way to control the high pressure is to adjust the opening of the vacuum proportional valve, the opening of the high-pressure proportional valve, and the speed of the pump to match the high-pressure gas consumption, thereby achieving a stable high pressure. Δs + Δc + Δx = Δz (1)

[0091] The above formula (1) shows the relationship between the change in the gas mass in the tank during the pressure regulation process. Δs is the amount of gas supplied or extracted by the pump to the tank per unit time. In the high-pressure storage tank, Δs is the supply amount and is a positive value, while in the vacuum storage tank, Δs is the extraction amount and is a negative value. Δc is the amount of gas consumed in the tank per unit time during operation. In the high-pressure storage tank, Δc is a negative value, while in the vacuum storage tank, Δc is a positive value. Δc can be considered stable within a certain period of time. Δx is the amount of gas controlled by the proportional valve per unit time. In the high-pressure storage tank, Δx is a negative value, while in the vacuum storage tank, Δx is a positive value. The gas dissipated by Δx is ensured by the excess Δs generated by the air pump. Excessive Δx will cause the air pump to operate at a higher speed, thereby increasing energy consumption and noise, and reducing the service life of the device. Δz is the sum of the first three variables, and its value reflects the pressure change relationship. When Δz is positive, the tank pressure increases; when Δz is negative, the tank pressure decreases; and when Δz is zero, the tank pressure remains unchanged. Therefore, when the tank pressure is insufficient, Δz should be positive. When the tank pressure is too high, Δz should be negative. When the tank pressure is adjusted to the desired level, Δz should be zero.

[0092] Δx can be adjusted by adjusting the opening of the proportional valve. As the vacuum and high-pressure proportional valves gradually increase in opening, the internal pressure gradually approaches atmospheric pressure. Adjusting the pump speed affects the differential between negative and positive pressures: adjusting the vacuum proportional valve opening affects the negative pressure, while adjusting the high-pressure proportional valve opening affects the positive pressure differential. Additionally, Δs can be adjusted by adjusting the pump speed.

[0093] In some embodiments, during step S101, during the pressure regulation process, to better meet actual needs, the three-variable pressure control scheme needs to be simplified to a certain extent. The pump speed is related to gas consumption. Specifically, the pump speed parameter is determined by at least one of the patient's heart rate, blood pressure, and settings set by doctors and nurses, and remains stable over a certain period of time. Therefore, the three-variable pressure regulation model can be simplified to a two-variable pressure regulation model, and the pump speed can then be optimized. Specifically, the pump speed can be initially open-loop controlled based on the patient's heart rate and the assist frequency, ensuring that gas consumption requirements are met through actual measurements and empirical data. This fixed speed must ensure an appropriate speed and sufficient margin for proportional valve adjustment, ensuring that the proportional valve is between 30% and 60% open, although this is not limited to this. Once the speed is fixed, the vacuum tank pressure is controlled by the vacuum proportional valve opening variable, and the high-pressure proportional valve opening variable controls the pressure differential of the high-pressure tank. Finally, after the pressure differential meets the target, the pump speed is further reduced until the high- and low-pressure proportional valves are fully closed. The absolute value of Δx should be as small as possible to reduce the waste of air pump energy.

[0094] Please refer to Figure 2, which shows a flow chart of a driving pressure control method according to an embodiment of the present invention. In some embodiments, adjusting the opening of the vacuum proportional valve based on the initial vacuum storage tank pressure and the target vacuum storage tank pressure to control the pressure within the vacuum storage tank to the target vacuum storage tank pressure may include, but is not limited to, steps S201 to S203.

[0095] Step S201, comparing the initial vacuum tank pressure with a preset pressure range;

[0096] Step S202: If the initial vacuum tank pressure is not within the preset pressure range, the current opening of the vacuum proportional valve is obtained to obtain the initial vacuum proportional valve opening;

[0097] Step S203 , adjusting the opening of the vacuum proportional valve according to the initial vacuum proportional valve opening and the preset vacuum proportional valve opening range, so as to control the pressure in the vacuum storage tank to reach the target vacuum storage tank pressure.

[0098] In steps S201 to S203 of the embodiment of the present application, the initial vacuum storage tank pressure is compared with the maximum and minimum limits of a preset pressure range. If the initial vacuum storage tank pressure is less than the minimum limit of the preset pressure range, or if the initial vacuum storage tank pressure is greater than the maximum limit of the preset pressure range, the current opening of the vacuum proportional valve is obtained to obtain the initial vacuum proportional valve opening. The initial vacuum proportional valve opening is compared with the maximum and minimum limits of the preset vacuum proportional valve opening range, and the opening of the vacuum proportional valve is adjusted based on the comparison result to regulate the pressure within the vacuum storage tank to a target vacuum storage tank pressure. If the initial vacuum storage tank pressure exceeds the preset pressure range, the current initial vacuum proportional valve opening of the vacuum proportional valve is obtained, and the pressure within the vacuum storage tank is regulated to the target vacuum storage tank pressure based on the initial vacuum proportional valve opening and the preset vacuum proportional valve opening range. This can regulate the pressure of the vacuum storage tank to an appropriate pressure, thereby improving the stability of the vacuum storage tank during use.

[0099] Please refer to Figures 3 and 13. Figure 3 shows a schematic flow chart of a driving pressure control method according to an embodiment of the present invention, and Figure 13 shows a schematic flow chart of a driving pressure control method according to an embodiment of the present invention. In some embodiments, the preset pressure range includes: a lower limit value of the vacuum storage tank pressure; the preset vacuum proportional valve opening range includes: a lower limit value of the vacuum proportional valve opening; and adjusting the opening of the vacuum proportional valve according to the initial vacuum proportional valve opening and the preset vacuum proportional valve opening range may include, but is not limited to, steps S301 to S304.

[0100] Step S301: If the initial vacuum storage tank pressure is less than the vacuum storage tank pressure lower limit, the vacuum storage tank pressure rise rate is greater than the first pressure change rate threshold, and the vacuum proportional valve opening is greater than the vacuum proportional valve opening lower limit, then the vacuum proportional valve opening is reduced by adjusting the step according to the preset first pressure adjustment amplitude until the vacuum proportional valve opening is adjusted to the vacuum proportional valve opening lower limit.

[0101] Step S302: if the pressure rising rate is between the first pressure change rate threshold and the second pressure change rate threshold, then the opening of the vacuum proportional valve is not adjusted;

[0102] Step S303: If the pressure rise rate is less than the second pressure change rate threshold, the absolute value of the pressure rise rate is less than the third pressure change rate threshold, and the absolute value of the difference between the initial vacuum storage tank pressure and the target vacuum storage tank pressure is less than the pressure difference threshold, then the opening of the vacuum proportional valve is increased by adjusting the step according to the preset second pressure adjustment amplitude;

[0103] In step S304, if the pressure rise rate is less than the second pressure change rate threshold, and the absolute value of the pressure rise rate is not less than the third pressure change rate threshold, or the absolute value of the difference between the initial vacuum storage tank pressure and the target vacuum storage tank pressure is not less than the pressure difference threshold, the opening of the vacuum proportional valve is increased by adjusting the step according to the preset third pressure adjustment amplitude.

[0104] In steps S301 to S304 shown in the embodiment of the present application, if the initial vacuum storage tank pressure is less than the lower limit value of the vacuum storage tank pressure, the pressure rise rate of the vacuum storage tank is greater than the first pressure change rate threshold, and the opening of the vacuum proportional valve is greater than the lower limit value of the vacuum proportional valve opening, the step adjustment is performed according to the preset first pressure adjustment amplitude to reduce the opening of the vacuum proportional valve until the opening of the vacuum proportional valve is adjusted to the lower limit value of the vacuum proportional valve opening. If the pressure rise rate is between the first pressure change rate threshold and the second pressure change rate threshold, the opening of the vacuum proportional valve is not adjusted. If the pressure rise rate is less than the second pressure change rate threshold, the pressure rise rate is greater than the lower limit value of the vacuum proportional valve opening. If the absolute value is less than the third pressure change rate threshold, and the absolute value of the difference between the initial vacuum storage tank pressure and the target vacuum storage tank pressure is less than the pressure difference threshold, the step is adjusted according to the preset second pressure adjustment amplitude to increase the opening of the vacuum proportional valve. If the pressure rise rate is less than the second pressure change rate threshold, and the absolute value of the pressure rise rate is not less than the third pressure change rate threshold, or the absolute value of the difference between the initial vacuum storage tank pressure and the target vacuum storage tank pressure is not less than the pressure difference threshold, the step is adjusted according to the preset third pressure adjustment amplitude to increase the opening of the vacuum proportional valve, thereby regulating the pressure of the vacuum storage tank to an appropriate pressure, thereby improving the stability of the use of the vacuum storage tank.

[0105] It should be noted that the pressure increase rate is expressed as a positive number during the process of increasing pressure within the vacuum storage tank, and the pressure increase rate is expressed as a negative number during the process of decreasing pressure within the vacuum storage tank. The first, second, and third pressure change rate thresholds are all unsigned numbers representing the absolute value of the rate of change of pressure during both the increasing and decreasing processes.

[0106] The relationship among the first pressure change rate threshold, the second pressure change rate threshold and the third pressure change rate threshold is that the first pressure change rate threshold is greater than the second pressure change rate threshold, and the second pressure change rate threshold is greater than the third pressure change rate threshold.

[0107] Amplitude 1 in Figure 13 is the first pressure adjustment amplitude, Amplitude 2 in Figure 13 is the second pressure adjustment amplitude, and Amplitude 3 in Figure 13 is the third pressure adjustment amplitude. The relationship between the first, second, and third pressure adjustment amplitudes is that the first pressure adjustment amplitude is smaller than the third pressure adjustment amplitude, and the second pressure adjustment amplitude is smaller than the third pressure adjustment amplitude.

[0108] Please refer to Figures 4 and 13. Figure 4 shows a schematic flow chart of a driving pressure control method according to an embodiment of the present invention. In some embodiments, the preset pressure range includes an upper limit of the vacuum storage tank pressure. Adjusting the opening of the vacuum proportional valve based on the initial vacuum proportional valve opening and the preset vacuum proportional valve opening range may also include, but is not limited to, steps S401 to S404.

[0109] Step S401: If the initial vacuum tank pressure is greater than the upper limit of the vacuum tank pressure, and the pressure drop rate of the vacuum tank is greater than a fourth pressure change rate threshold, the opening of the vacuum proportional valve is increased by adjusting the step according to a preset fourth pressure adjustment amplitude;

[0110] Step S402: if the pressure drop rate is between the fourth pressure change rate threshold and the fifth pressure change rate threshold, then the opening of the vacuum proportional valve is not adjusted;

[0111] Step S403: If the pressure drop rate is less than the fifth pressure change rate threshold, the absolute value of the pressure drop rate is less than the sixth pressure change rate threshold, and the absolute value of the difference between the initial vacuum storage tank pressure and the target vacuum storage tank pressure is less than the pressure difference threshold, then the opening of the vacuum proportional valve is reduced according to the preset fifth pressure adjustment amplitude adjustment step until the opening of the vacuum proportional valve is adjusted to the lower limit of the vacuum proportional valve opening;

[0112] In step S404, if the pressure drop rate is less than the fifth pressure change rate threshold, and the absolute value of the pressure drop rate is not less than the sixth pressure change rate threshold, or the absolute value of the difference between the initial vacuum storage tank pressure and the target vacuum storage tank pressure is not less than the pressure difference threshold, the opening of the vacuum proportional valve is increased by adjusting the step according to the preset sixth pressure adjustment amplitude until the opening of the vacuum proportional valve is adjusted to the lower limit of the vacuum proportional valve opening.

[0113] In steps S401 to S404 shown in the embodiment of the present application, if the initial vacuum storage tank pressure is greater than the upper limit of the vacuum storage tank pressure, and the pressure drop rate of the vacuum storage tank is greater than the fourth pressure change rate threshold, the step is adjusted according to the preset fourth pressure adjustment amplitude to increase the opening of the vacuum proportional valve; if the pressure drop rate is between the fourth pressure change rate threshold and the fifth pressure change rate threshold, the opening of the vacuum proportional valve is not adjusted; if the pressure drop rate is less than the fifth pressure change rate threshold, the absolute value of the pressure drop rate is less than the sixth pressure change rate threshold, and the absolute value of the difference between the initial vacuum storage tank pressure and the target vacuum storage tank pressure is less than the pressure difference threshold , the step size is adjusted according to the preset fifth pressure regulation amplitude to reduce the opening of the vacuum proportional valve until the opening of the vacuum proportional valve is adjusted to the lower limit value of the vacuum proportional valve opening. If the pressure drop rate is less than the fifth pressure change rate threshold, and the absolute value of the pressure drop rate is not less than the sixth pressure change rate threshold, or the absolute value of the difference between the initial vacuum storage tank pressure and the target vacuum storage tank pressure is not less than the pressure difference threshold, the step size is adjusted according to the preset sixth pressure regulation amplitude to increase the opening of the vacuum proportional valve until the opening of the vacuum proportional valve is adjusted to the lower limit value of the vacuum proportional valve opening. This can control the pressure of the vacuum storage tank to an appropriate pressure, thereby improving the stability of the use of the vacuum storage tank.

[0114] It should be noted that the pressure drop rate during the pressure drop process in the vacuum storage tank is expressed as a positive number, and the pressure drop rate during the pressure increase process in the vacuum storage tank is expressed as a negative number.

[0115] The relationship among the fourth pressure change rate threshold, the fifth pressure change rate threshold and the sixth pressure change rate threshold is that the fourth pressure change rate threshold is greater than the fifth pressure change rate threshold, and the fifth pressure change rate threshold is greater than the sixth pressure change rate threshold.

[0116] Amplitude 4 in FIG13 is the fourth pressure adjustment amplitude, Amplitude 5 in FIG13 is the fifth pressure adjustment amplitude, and Amplitude 6 in FIG13 is the sixth pressure adjustment amplitude. The relationship between the fourth, fifth, and sixth pressure adjustment amplitudes is that the fourth pressure adjustment amplitude is smaller than the sixth pressure adjustment amplitude, and the fifth pressure adjustment amplitude is smaller than the sixth pressure adjustment amplitude.

[0117] Since the high-pressure proportional valve and the vacuum proportional valve frequently open and close alternately during the operation of the intra-aortic balloon counterpulsation pump, the air pressure in the high-pressure storage tank and the vacuum storage tank is constantly changing. Because the volume of the gas tank is a constant, it is believed that the pressure in the gas tank at the moment before the proportional valve is opened represents the driving ability of the high-pressure / vacuum gas in the gas tank to the driving end, and is a pressure variable that needs to be controlled. In some embodiments, it is necessary to first adjust the vacuum proportional valve so that the vacuum pressure falls within the appropriate pressure range, and then adjust the high-pressure proportional valve so that the high pressure is within the appropriate pressure range.

[0118] During the adjustment process, if the pressure is lower than the required pressure, the vacuum proportional valve opening is lower than the lower limit, and the pump speed needs to be increased to allow the valve to adjust. Similarly, if the pressure is higher than the required pressure, the vacuum proportional valve opening is higher than the upper limit, and the pump speed needs to be reduced to allow the valve to adjust. This adjustment ensures that the pressure in the tank is relatively stable and maintained within a certain range. The instrument's negative pressure can also be adjusted based on actual conditions through software.

[0119] In some embodiments, the opening of the vacuum storage tank proportional valve is adjusted according to a set pressure threshold of the vacuum storage tank, and the pressure of the vacuum storage tank is adjusted to the target vacuum storage tank pressure by adjusting the opening of the vacuum proportional valve.

[0120] The proportional valve adjustment of the vacuum tank includes:

[0121] When the initial vacuum storage tank pressure is less than the vacuum storage tank pressure lower limit value and the pressure increase rate is greater than the first pressure change rate threshold, the reduction value of the proportional valve opening of the vacuum storage tank is determined according to the absolute value of the pressure increase rate.

[0122] When the initial vacuum storage tank pressure is less than the vacuum storage tank pressure lower limit, if the pressure increase rate is less than the first pressure change rate threshold, and the pressure increase rate is greater than the second pressure change rate threshold, the proportional valve opening of the vacuum storage tank is not adjusted.

[0123] When the initial vacuum storage tank pressure is less than the lower limit of the vacuum storage tank pressure, if the pressure rise rate is less than the second pressure change rate threshold, and the absolute value of the pressure rise rate is less than the third pressure change rate threshold, the increase in the proportional valve opening of the vacuum tank is determined based on the absolute value of the pressure rise rate and the absolute value of the difference between the initial vacuum storage tank pressure and the target vacuum storage tank pressure.

[0124] When the initial vacuum storage tank pressure is less than the lower limit of the vacuum storage tank pressure, and if the pressure rise rate is less than the second pressure change rate threshold, the absolute value of the pressure rise rate is not less than the third pressure change rate threshold, and the increase in the proportional valve opening of the vacuum tank is determined based on the absolute value of the pressure rise rate and the absolute value of the difference between the initial vacuum storage tank pressure and the target vacuum storage tank pressure.

[0125] When the initial vacuum storage tank pressure is greater than the vacuum storage tank pressure upper limit value and the pressure drop rate is greater than the fourth pressure change rate threshold, the increase value of the proportional valve opening of the vacuum storage tank is determined according to the absolute value of the pressure drop rate.

[0126] When the initial vacuum storage tank pressure is greater than the vacuum storage tank pressure upper limit value, if the pressure drop rate is less than the fourth pressure change rate threshold, and the pressure drop rate is greater than the fifth pressure change rate threshold, the proportional valve opening of the vacuum storage tank is not adjusted.

[0127] When the initial vacuum storage tank pressure is greater than the upper limit of the vacuum storage tank pressure, if the pressure drop rate is less than the fifth pressure change rate threshold, and the absolute value of the pressure drop rate is less than the sixth pressure change rate threshold, the reduction value of the proportional valve opening of the vacuum storage tank is determined based on the absolute value of the pressure rise rate and the absolute value of the difference between the initial vacuum storage tank pressure and the target vacuum storage tank pressure.

[0128] When the initial vacuum storage tank pressure is greater than the upper limit of the vacuum storage tank pressure, if the pressure drop rate is less than the fifth pressure change rate threshold, and the absolute value of the pressure drop rate is not less than the sixth pressure change rate threshold, the increase in the proportional valve opening of the vacuum tank is determined based on the absolute value of the pressure rise rate and the absolute value of the difference between the initial vacuum storage tank pressure and the target vacuum storage tank pressure.

[0129] Please refer to Figure 5, which illustrates a flow chart of a driving pressure control method according to an embodiment of the present invention. In some embodiments, adjusting the opening of the high-pressure proportional valve based on the initial tank pressure difference and the target tank pressure difference of the high-pressure proportional valve to control the pressure difference between the vacuum tank and the high-pressure tank to the target tank pressure difference may include, but is not limited to, steps S501 through S503.

[0130] Step S501 , if the initial vacuum tank pressure is within a preset pressure range, the initial tank pressure difference is compared with a preset positive pressure difference range;

[0131] Step S502: If the initial tank pressure difference is not within the preset positive pressure difference range, the current opening of the high-pressure proportional valve is obtained to obtain the initial high-pressure proportional valve opening;

[0132] In step S503 , the opening of the high-pressure proportional valve is adjusted according to the initial opening of the high-pressure proportional valve and the preset opening range of the high-pressure proportional valve, so as to control the pressure difference between the vacuum storage tank and the high-pressure storage tank to reach the target tank pressure difference.

[0133] In steps S501 to S503 of the embodiment of the present application, the initial vacuum storage tank pressure is compared with the maximum and minimum limits of a preset pressure range, respectively. If the initial vacuum storage tank pressure is greater than the minimum limit of the preset pressure range and the initial vacuum storage tank pressure is less than the maximum limit of the preset pressure range, the initial storage tank pressure difference is compared with the maximum and minimum limits of a preset positive pressure difference range. If the initial storage tank pressure difference is less than the minimum limit of the preset positive pressure difference range and the initial storage tank pressure difference is greater than the maximum limit of the preset positive pressure difference range, the current opening of the high-pressure proportional valve is obtained to obtain an initial high-pressure proportional valve opening. The initial high-pressure proportional valve opening is compared with the maximum and minimum limits of the preset high-pressure proportional valve opening range, and the opening of the high-pressure proportional valve is adjusted based on the comparison result to regulate the pressure differential between the vacuum storage tank and the high-pressure tank, so that the pressure differential between the vacuum storage tank and the high-pressure tank is regulated to a target tank pressure differential. By comparing the initial vacuum tank pressure with the preset pressure range, and comparing the initial tank pressure difference with the preset positive pressure difference range, the current initial high-pressure proportional valve opening of the high-pressure proportional valve is obtained. According to the initial high-pressure proportional valve opening and the preset high-pressure proportional valve opening range, the pressure difference between the vacuum tank and the high-pressure tank is adjusted to the target tank pressure difference. The pressure of the high-pressure tank can be adjusted to an appropriate pressure, thereby improving the stability of the use of the high-pressure tank.

[0134] It should be noted that if the initial vacuum tank pressure is within the preset pressure range, and the initial tank pressure difference is within the preset positive pressure difference range, the control is terminated.

[0135] Please refer to Figures 6 and 14. Figure 6 shows a schematic flow chart of a driving pressure control method according to an embodiment of the present invention, and Figure 14 shows a schematic flow chart of a driving pressure control method according to an embodiment of the present invention. In some embodiments, the preset positive pressure differential range includes: an upper limit of the positive pressure differential; the preset high-pressure proportional valve opening range includes: a lower limit of the high-pressure proportional valve opening; and adjusting the opening of the high-pressure proportional valve according to the initial high-pressure proportional valve opening and the preset high-pressure proportional valve opening range may include, but is not limited to, steps S601 to S604.

[0136] Step S601: If the initial storage tank pressure difference is greater than the positive pressure difference upper limit, the pressure difference decrease rate between the vacuum storage tank and the high-pressure storage tank is greater than the first pressure difference change rate threshold, and the opening of the high-pressure proportional valve is greater than the high-pressure proportional valve opening lower limit, then the opening of the vacuum proportional valve is reduced by adjusting the step according to the preset first pressure difference adjustment amplitude until the opening of the vacuum proportional valve is adjusted to the vacuum proportional valve opening lower limit;

[0137] Step S602: If the pressure difference decreasing rate is between the first pressure difference changing rate threshold and the second pressure difference changing rate threshold, then the opening of the high pressure proportional valve is not adjusted;

[0138] Step S603: If the pressure differential decrease rate is less than the second pressure differential change rate threshold, and the absolute value of the pressure differential decrease rate is less than the third pressure differential change rate threshold, and the absolute value of the difference between the initial tank pressure differential and the target tank pressure differential is less than the pressure differential difference threshold, then the opening of the high-pressure proportional valve is increased by adjusting the step size according to the preset second pressure differential adjustment amplitude;

[0139] In step S604, if the pressure differential decrease rate is less than the second pressure differential change rate threshold, and the absolute value of the pressure differential decrease rate is not less than the third pressure differential change rate threshold, or the absolute value of the difference between the initial tank pressure differential and the target tank pressure differential is not less than the pressure differential difference threshold, the step is adjusted according to the preset third pressure differential adjustment amplitude to increase the opening of the high-pressure proportional valve.

[0140] In steps S601 to S604 shown in the embodiment of the present application, if the initial tank pressure difference is greater than the upper limit of the positive pressure difference, the pressure difference drop rate between the vacuum tank and the high-pressure tank is greater than the first pressure difference change rate threshold, and the opening of the high-pressure proportional valve is greater than the lower limit of the opening of the high-pressure proportional valve, then the step adjustment is made according to the preset first pressure difference adjustment amplitude to reduce the opening of the vacuum proportional valve until the opening of the vacuum proportional valve is adjusted to the lower limit of the opening of the vacuum proportional valve. If the pressure difference drop rate is between the first pressure difference change rate threshold and the second pressure difference change rate threshold, the opening of the high-pressure proportional valve is not adjusted. If the pressure difference drop rate is less than the second pressure difference change rate threshold, and the pressure If the absolute value of the differential decrease rate is less than the third pressure differential change rate threshold, and the absolute value of the difference between the initial tank pressure differential and the target tank pressure differential is less than the pressure differential difference threshold, the step is adjusted according to the preset second pressure differential adjustment amplitude to increase the opening of the high-pressure proportional valve. If the pressure differential decrease rate is less than the second pressure differential change rate threshold, and the absolute value of the pressure differential decrease rate is not less than the third pressure differential change rate threshold or the absolute value of the difference between the initial tank pressure differential and the target tank pressure differential is not less than the pressure differential difference threshold, the step is adjusted according to the preset third pressure differential adjustment amplitude to increase the opening of the high-pressure proportional valve, which can regulate the pressure of the high-pressure tank to an appropriate pressure, thereby improving the stability of the use of the high-pressure tank.

[0141] It should be noted that the pressure differential increase rate is expressed as a positive number when the pressure differential between the vacuum storage tank and the high-pressure storage tank increases, and the pressure differential increase rate is expressed as a negative number when the pressure differential between the vacuum storage tank and the high-pressure storage tank decreases. The first, second, and third pressure differential change rate thresholds are all unsigned numbers representing the absolute value of the rate of change of the pressure differential during both the increasing and decreasing processes.

[0142] The relationship among the first pressure difference change rate threshold, the second pressure difference change rate threshold and the third pressure difference change rate threshold is that the first pressure difference change rate threshold is greater than the second pressure difference change rate threshold, and the second pressure difference change rate threshold is greater than the third pressure difference change rate threshold.

[0143] Amplitude 1 in Figure 13 is the first pressure differential adjustment amplitude, Amplitude 2 in Figure 13 is the second pressure differential adjustment amplitude, and Amplitude 3 in Figure 13 is the third pressure differential adjustment amplitude. The relationship between the first, second, and third pressure differential adjustment amplitudes is that the first pressure differential adjustment amplitude is smaller than the third pressure differential adjustment amplitude, and the second pressure differential adjustment amplitude is smaller than the third pressure differential adjustment amplitude.

[0144] The target reservoir pressure differential is set by the physician based on the patient's physiological needs and pre-set within the intra-aortic balloon pump control system. It is also determined by the pump's performance, influenced by factors such as diaphragm thickness, system tracheal length, normal intra-balloon pressure, and balloon coefficient. The target reservoir pressure differential influences the positive pressure within the balloon, ensuring full balloon inflation.

[0145] Please refer to Figures 7 and 14. Figure 7 shows a schematic flow chart of a driving pressure control method according to an embodiment of the present invention. In some embodiments, the preset positive pressure differential range includes a lower limit of the positive pressure differential, and adjusting the opening of the high-pressure proportional valve according to the initial high-pressure proportional valve opening and the preset high-pressure proportional valve opening range further includes, but is not limited to, steps S701 to S704.

[0146] Step S701: If the initial tank pressure difference is less than the positive pressure difference lower limit and the pressure difference rising rate is greater than the fourth pressure difference change rate threshold, the opening of the high-pressure proportional valve is increased by adjusting the step according to the preset fourth pressure difference adjustment amplitude;

[0147] Step S702: If the pressure differential increase rate is between the fourth pressure differential change rate threshold and the fifth pressure differential change rate threshold, then the opening of the high-pressure proportional valve is not adjusted;

[0148] Step S703: If the pressure differential rising rate is less than the fifth pressure differential change rate threshold, the absolute value of the pressure differential rising rate is less than the sixth pressure differential change rate threshold, and the absolute value of the difference between the initial tank pressure differential and the target tank pressure differential is less than the pressure differential difference threshold, then the opening of the high-pressure proportional valve is reduced according to the preset fifth pressure differential adjustment amplitude adjustment step until the opening of the high-pressure proportional valve is adjusted to the lower limit of the high-pressure proportional valve opening;

[0149] In step S704, if the pressure differential rising rate is less than the fifth pressure differential change rate threshold, and the absolute value of the pressure differential rising rate is not less than the sixth pressure differential change rate threshold, or the absolute value of the difference between the initial tank pressure differential and the target tank pressure differential is not less than the pressure differential difference threshold, the opening of the high-pressure proportional valve is reduced according to the preset sixth pressure differential adjustment amplitude adjustment step until the opening of the high-pressure proportional valve is adjusted to the lower limit of the high-pressure proportional valve opening.

[0150] In the steps S701 to S704 shown in the embodiment of the present application, if the initial tank pressure difference is less than the positive pressure difference lower limit value, and the pressure difference rising rate is greater than the fourth pressure difference change rate threshold, then the step is adjusted according to the preset fourth pressure difference adjustment amplitude, and the opening of the high-pressure proportional valve is increased; if the pressure difference rising rate is between the fourth pressure difference change rate threshold and the fifth pressure difference change rate threshold, then the opening of the high-pressure proportional valve is not adjusted; if the pressure difference rising rate is less than the fifth pressure difference change rate threshold, and the absolute value of the pressure difference rising rate is less than the sixth pressure difference change rate threshold, and the absolute value of the difference between the initial tank pressure difference and the target tank pressure difference is less than the pressure difference difference threshold, then the pressure difference is adjusted according to the preset fourth pressure difference adjustment amplitude. The fifth pressure differential adjustment amplitude adjustment step is set to reduce the opening of the high-pressure proportional valve until the opening of the high-pressure proportional valve is adjusted to the lower limit value of the high-pressure proportional valve opening. If the pressure difference rising rate is less than the fifth pressure differential change rate threshold, and the absolute value of the pressure differential rising rate is not less than the sixth pressure differential change rate threshold or the absolute value of the difference between the initial tank pressure differential and the target tank pressure differential is not less than the pressure differential difference threshold, then according to the preset sixth pressure differential adjustment amplitude adjustment step, the opening of the high-pressure proportional valve is reduced until the opening of the high-pressure proportional valve is adjusted to the lower limit value of the high-pressure proportional valve opening. The pressure of the high-pressure storage tank can be regulated to an appropriate pressure, thereby improving the stability of the use of the high-pressure storage tank.

[0151] It should be noted that the relationship between the fourth, fifth, and sixth pressure differential change rate thresholds is that the fourth, fifth, and sixth pressure differential change rate thresholds are greater than the fifth, and the fifth, sixth, respectively. The preset positive pressure differential range is a preset range of pressure differences between the vacuum storage tank and the high-pressure storage tank. The preset positive pressure differential range includes a positive pressure differential upper limit and a positive pressure differential lower limit. The positive pressure differential upper limit is the upper limit of the preset positive pressure differential range, and the positive pressure differential lower limit is the lower limit of the preset positive pressure differential range.

[0152] Amplitude 4 in FIG14 is the fourth pressure differential adjustment amplitude, Amplitude 5 in FIG14 is the fifth pressure differential adjustment amplitude, and Amplitude 6 in FIG14 is the sixth pressure differential adjustment amplitude. The relationship between the fourth, fifth, and sixth pressure differential adjustment amplitudes is that the fourth pressure differential adjustment amplitude is smaller than the sixth pressure differential adjustment amplitude, and the fifth pressure differential adjustment amplitude is smaller than the sixth pressure differential adjustment amplitude.

[0153] During the adjustment process, if the positive pressure is found to be less than the required pressure, and the high-pressure proportional valve opening is less than the lower limit of the high-pressure proportional valve opening, the pump speed needs to be increased in this scenario to allow the high-pressure proportional valve to have more room for regulation. Similarly, if the positive pressure is found to be greater than the required pressure, and the high-pressure proportional valve opening is greater than the upper limit of the high-pressure proportional valve opening, the pump speed needs to be reduced in this scenario to allow the high-pressure proportional valve to have more room for regulation. Through this adjustment, the pressure in the tank can be maintained relatively stable within a certain range, and the positive pressure of the instrument can also be adjusted through the software according to actual conditions.

[0154] In some embodiments, the opening of the high-pressure storage tank proportional valve is adjusted according to a set threshold value of the pressure difference between the high-pressure storage tank and the vacuum storage tank. By adjusting the opening of the high-pressure proportional valve, the pressure difference between the vacuum storage tank and the high-pressure storage tank is adjusted to a target tank pressure difference.

[0155] Proportional valve regulation of high pressure storage tanks includes:

[0156] When the initial tank pressure difference is greater than the positive pressure difference upper limit and the pressure difference drop rate is greater than the first pressure difference change rate threshold, the reduction value of the proportional valve opening of the high-pressure tank is determined according to the absolute value of the pressure difference drop rate.

[0157] When the initial tank pressure difference is greater than the positive pressure difference upper limit, if the pressure difference drop rate is less than the first pressure difference change rate threshold, and the pressure difference drop rate is greater than the second pressure difference change rate threshold, the proportional valve opening of the high-pressure tank is not adjusted.

[0158] When the initial tank pressure difference is greater than the positive pressure difference upper limit, if the pressure difference drop rate is less than the second pressure difference change rate threshold, and the absolute value of the pressure difference drop rate is less than the third pressure difference change rate threshold, the increase in the proportional valve opening of the high-pressure tank is determined based on the absolute value of the pressure difference drop rate and the absolute value of the difference between the initial tank pressure difference and the target tank pressure difference.

[0159] When the initial tank pressure difference is greater than the positive pressure difference upper limit, if the pressure difference drop rate is less than the second pressure difference change rate threshold, and the absolute value of the pressure difference drop rate is not less than the third pressure difference change rate threshold, the increase in the proportional valve opening of the high-pressure tank is determined according to the absolute value of the pressure difference drop rate and the absolute value of the difference between the initial tank pressure difference and the target tank pressure difference.

[0160] When the initial tank pressure difference is less than the positive pressure difference lower limit and the pressure difference rising rate is greater than the fourth pressure difference change rate threshold, the increase value of the proportional valve opening of the high-pressure tank is determined according to the absolute value of the pressure difference rising rate.

[0161] When the initial tank pressure difference is less than the positive pressure difference lower limit, if the pressure difference rising rate is less than the fourth pressure difference change rate threshold, and the pressure difference rising rate is greater than the fifth pressure difference change rate threshold, the proportional valve opening of the high-pressure tank is not adjusted.

[0162] When the initial tank pressure difference is less than the lower limit of the positive pressure difference, if the pressure difference rising rate is less than the fifth pressure difference change rate threshold, and the absolute value of the pressure difference rising rate is less than the sixth pressure difference change rate threshold, the reduction value of the proportional valve opening of the high-pressure tank is determined according to the absolute value of the pressure difference rising rate and the absolute value of the difference between the initial tank pressure difference and the target tank pressure difference.

[0163] When the initial tank pressure differential is less than the lower limit of the positive pressure differential, if the pressure differential rising rate is less than the fifth pressure differential change rate threshold, and the absolute value of the pressure differential rising rate is not less than the sixth pressure differential change rate threshold, the reduction value of the proportional valve opening of the high-pressure tank is determined according to the absolute value of the pressure differential rising rate and the absolute value of the difference between the initial tank pressure differential and the target tank pressure differential.

[0164] Please refer to Figure 9, which shows a flow chart of a driving pressure control method according to an embodiment of the present invention. In some embodiments, the preset air pump speed range includes an upper limit and a lower limit, and adjusting the pump speed to the target speed includes, but is not limited to, steps S901 to S903.

[0165] Step S901: If the initial tank pressure difference is within the preset positive pressure difference range, the current pump speed is obtained to obtain the initial air pump speed;

[0166] Step S902: If, within a preset time, the average pressure difference between the vacuum storage tank and the high-pressure storage tank is greater than the lower limit of the positive pressure difference, and the initial high-pressure proportional valve opening and the initial vacuum proportional valve opening are both greater than the preset thresholds, the pump speed is reduced until the pump speed lower limit is reached;

[0167] Step S903: within a preset time, if the average pressure difference between the vacuum storage tank and the high-pressure storage tank is less than the lower limit of the positive pressure difference, the pump speed is increased until the upper limit of the air pump speed is reached.

[0168] In steps S901 to S903 shown in the embodiment of the present application, if the initial tank pressure difference is within the preset positive pressure difference range, the current pump speed is obtained to obtain the initial air pump speed. Within the preset time, if the average pressure difference between the vacuum tank and the high-pressure tank is greater than the lower limit of the positive pressure difference, and the initial high-pressure proportional valve opening and the initial vacuum proportional valve opening are both greater than the preset threshold value, the pump speed is reduced to the lower limit of the air pump speed. Within the preset time, if the average pressure difference between the vacuum tank and the high-pressure tank is less than the lower limit of the positive pressure difference, the pump speed is increased to the upper limit of the air pump speed.

[0169] In some embodiments, if the initial vacuum proportional valve opening is less than the lower limit of the vacuum proportional valve opening, the pump speed is increased; if the initial vacuum proportional valve opening is greater than the upper limit of the vacuum proportional valve opening, the pump speed is reduced; the pump speed can be further adjusted to adjust the pump speed to an appropriate range.

[0170] In some embodiments, if the initial high-pressure proportional valve opening is less than the lower limit of the high-pressure proportional valve opening, the pump speed is increased; if the initial high-pressure proportional valve opening is greater than the upper limit of the high-pressure proportional valve opening, the pump speed is reduced; the pump speed can be further adjusted to adjust the pump speed to an appropriate range.

[0171] In some embodiments, referring to FIG10 , a schematic diagram of an intra-aortic balloon pump according to an embodiment of the present invention is shown. A single proportional valve solution includes a combination of a proportional valve and a backpressure valve. A proportional valve combined with a pressure acquisition unit is used at the vacuum reservoir to regulate pressure through negative feedback, while a backpressure valve and a pressure acquisition unit are still used at the high-pressure reservoir. For example, when the pressure within the vacuum reservoir is too high, in addition to reducing the pump speed, the proportional valve opening at the vacuum reservoir can be increased to increase the flow connection between the vacuum reservoir and the atmosphere, thereby reducing the pressure within the vacuum reservoir. The backpressure valve is still used at the high-pressure reservoir for pressure regulation. Furthermore, if the pressure within the high-pressure reservoir is insufficient, the pressure within the high-pressure reservoir can be increased by increasing the pump speed and the proportional valve opening, thereby increasing the system's air intake, while maintaining a constant pressure within the high-pressure reservoir. Similarly, if the pressure within the high-pressure reservoir is too high, the vacuum proportional valve and pump speed can be simultaneously adjusted to maintain a constant pressure within the vacuum reservoir and reduce the pressure within the high-pressure reservoir to an appropriate range.

[0172] In some embodiments, referring to FIG11 , FIG11 shows a schematic diagram of an intra-aortic balloon counterpulsation pump in an embodiment of the present invention. Both high-pressure and vacuum pressure control schemes can be pressure control schemes using dual proportional valves. Proportional valves are connected to both the vacuum storage tank and the high-pressure storage tank to replace the back pressure valve, and the proportional valve is combined with the pressure acquisition unit to comprehensively control the pressure of the two tanks. For example, when the pressure difference between the vacuum storage tank and the high-pressure storage tank is too high, in addition to changing the speed of the pump, the pressure difference between the vacuum storage tank and the high-pressure storage tank can be reduced by increasing the opening of the proportional valve at the high-pressure storage tank, thereby reducing the pressure of the high-pressure storage tank.

[0173] In some embodiments, when a patient's blood pressure is high, the intra-aortic balloon pump needs to provide a more practical assistive effect. In this case, the pump speed can be increased while adjusting the openings of the vacuum and high-pressure proportional valves. Simply increasing the pressure differential between the vacuum and high-pressure reservoirs may result in slower exhaust speeds. Therefore, the vacuum proportional valve opening must also be adjusted to meet actual conditions and in conjunction with the pump speed to reduce the pressure within the vacuum reservoir and offset the negative impact of increasing the high pressure on exhaust time.

[0174] In some cases, when a patient's blood pressure is low, the intra-aortic balloon pump needs to provide a more practical assistive effect. In a dual-proportional valve pressure regulation solution, the necessary measures include reducing the pump speed and adjusting the openings of the vacuum proportional valve and the high-pressure proportional valve simultaneously to increase the pressure in the vacuum reservoir and decrease the pressure in the high-pressure reservoir, combining the pump speed to adjust the pressure to meet actual needs.

[0175] In some scenarios where battery power is difficult to recharge, the intra-aortic balloon pump will use its own battery to maintain normal operation. In this case, reducing overall system energy consumption is necessary for long-term assistance. To achieve low-power operation, the pump speed can be reduced, and the opening of the two proportional valves can be reduced. This minimizes system performance and increases battery life.

[0176] In some embodiments, the balloon filling degree is assisted in controlling by increasing the high pressure during inflation, and the pressure of the high-pressure storage tank and the vacuum storage tank is finely regulated by increasing the pump speed and using a proportional valve. This avoids the situation in which the high pressure or vacuum is out of control and the corresponding balloon is not completely deflated due to increasing the pump speed under traditional solutions, thereby fully guaranteeing the performance of the instrument.

[0177] In some embodiments, in the late deflation state, the negative pressure in the vacuum tank is reduced to ensure that the balloon is fully deflated. By reducing the opening of the vacuum proportional valve to obtain a lower pressure in the vacuum tank, the deflation speed can be faster, the balloon can be contracted faster and more fully, and a better auxiliary effect can be achieved.

[0178] In some embodiments, when an instrument experiences an air leak, the high-pressure proportional valve opening can be reduced to compensate for the degradation of high-pressure pneumatic performance due to the leak. Similarly, when vacuum-related pneumatic performance parameters are degraded due to the leak, the vacuum proportional valve opening can be reduced to compensate. In typical leak conditions, proportional valve compensation ensures the instrument returns to normal performance.

[0179] In some embodiments, when the performance of pump components degrades after long-term use, the pump speed is increased, and the opening of the high-pressure proportional valve and the vacuum proportional valve are adjusted to ensure that the positive pressure and negative pressure are within the required reasonable range, thereby ensuring that the device can return to its original normal performance.

[0180] In some embodiments, the instrument requires a power-on self-test. This can be done by maintaining high pressure in the high-pressure tank and observing its rate of decrease over time to determine the airtightness of the high-pressure tank. Similarly, the airtightness of the vacuum tank can be determined by maintaining a vacuum in the vacuum tank and observing its rate of decrease over time to determine the airtightness of the vacuum tank.

[0181] In some embodiments, the intra-aortic balloon counterpulsation pump further includes: a pressure storage container, a positive and negative pressure source, a pressure measurement and acquisition component, a proportional valve, and a back-pressure valve component. The pressure storage container is used to store pressure. The positive and negative pressure sources are components for providing positive and negative pressure. The pressure measurement and acquisition component is used to measure the pressure inside the container. The proportional valve regulates the pressure inside the container by changing the pressure difference between the container and the outside world through electrical control. The back-pressure valve component is a manual pressure regulating component that regulates the pressure inside the container by manually controlling the pressure difference between the container and the outside world.

[0182] The vacuum proportional valve regulates the pressure of the vacuum tank, and the high-pressure proportional valve regulates the pressure of the high-pressure tank. Alternatively, the vacuum proportional valve regulates the pressure of the vacuum tank, and the back-pressure valve regulates the pressure of the high-pressure tank; or the high-pressure proportional valve regulates the pressure of the high-pressure tank, and the back-pressure valve regulates the pressure of the vacuum tank.

[0183] In some embodiments, the pressure acquisition and measurement component obtains the internal pressure of the container, and controls the pump speed and the opening of the proportional valve through software, thereby obtaining a stable positive pressure or negative pressure that meets the requirements.

[0184] In some embodiments, when the intra-aortic balloon counterpulsation pump has no external power input, in order to ensure long-term auxiliary treatment for the patient, medical staff are allowed to set the intra-aortic balloon counterpulsation pump to a low-power mode. In this mode, the pump speed will decrease, and the opening of the vacuum proportional valve and the high-pressure proportional valve will also decrease accordingly, thereby ensuring long-term auxiliary treatment at the cost of a slight loss of performance of the intra-aortic balloon counterpulsation pump.

[0185] In addition, an embodiment of the present application also discloses a driving pressure control device. Please refer to Figure 8, which is a module block diagram of a driving pressure control device disclosed in an embodiment of the present invention. The driving pressure control device can implement the above-mentioned driving pressure control method. The driving pressure control device is applied to an intra-aortic balloon counterpulsation pump. The intra-aortic balloon counterpulsation pump includes: a pump, a vacuum storage tank, a high-pressure storage tank, a vacuum proportional valve, and a high-pressure proportional valve. The driving pressure control device includes: an in-tank pressure establishment module 801, a vacuum proportional valve control module 802, a high-pressure proportional valve control module 803, and a pump speed adjustment module 804. The in-tank pressure establishment module 801, the vacuum proportional valve control module 802, the high-pressure proportional valve control module 803, and the pump speed adjustment module 804 are all communicatively connected.

[0186] The in-tank pressure establishment module 801 adjusts the pump speed based on pre-acquired pump speed parameters to establish the pressure in the vacuum tank to the initial vacuum tank pressure and the pressure differential between the vacuum tank and the high-pressure tank to the initial tank pressure differential. The vacuum proportional valve control module 802 adjusts the opening of the vacuum proportional valve based on the initial vacuum tank pressure and the target vacuum tank pressure to control the pressure in the vacuum tank to the target vacuum tank pressure. The high-pressure proportional valve control module 803 adjusts the opening of the high-pressure proportional valve based on the initial tank pressure differential and the target tank pressure differential to control the pressure differential between the vacuum tank and the high-pressure tank to the target tank pressure differential. If the pressure in the vacuum tank and the pressure differential between the vacuum tank and the high-pressure tank stabilize, the pump speed adjustment module 804 adjusts the pump speed to the target speed while maintaining the normal operation of the intra-aortic balloon counterpulsation pump.

[0187] The driving pressure control device of the embodiment of the present invention has at least the following beneficial effects: the tank pressure establishing module 801 obtains parameters related to the speed regulation of the pump, obtains the pump speed parameters, and adjusts the initial speed of the pump according to the pump speed parameters to adjust the pump speed to the corresponding initial pump speed, thereby establishing the initial pressure in the vacuum storage tank, so that the pressure in the vacuum storage tank is adjusted to the initial vacuum storage tank pressure, and establishing the initial pressure in the high-pressure storage tank, so that the pressure difference between the vacuum storage tank and the high-pressure tank is adjusted to the initial storage tank pressure difference, and the vacuum proportional valve control module 802 adjusts the opening of the vacuum proportional valve within the preset vacuum proportional valve opening range according to the initial vacuum storage tank pressure and the target vacuum storage tank pressure. The high-pressure proportional valve control module 803 controls the opening of the high-pressure proportional valve within a preset high-pressure proportional valve opening range according to the initial tank pressure difference and the target tank pressure difference, so that the pressure difference between the vacuum tank and the high-pressure tank reaches within the control error range of the target pressure difference between the vacuum tank and the high-pressure tank. After the pressure in the vacuum tank and the pressure difference between the vacuum tank and the high-pressure tank tend to be stable, the pump speed adjustment module 804 reduces the pump speed as much as possible while maintaining the normal operation of the intra-aortic balloon counterpulsation pump, so that the pump speed is reduced to the lowest target speed value to obtain the target speed. The pump speed is adjusted using a pump speed parameter to establish an initial vacuum tank pressure within the vacuum tank and an initial tank pressure differential between the vacuum tank and the high-pressure tank. The pressure within the vacuum tank is regulated to the target vacuum tank pressure based on the initial vacuum tank pressure and the target vacuum tank pressure. The pressure differential between the vacuum tank and the high-pressure tank is regulated to the target tank pressure based on the initial tank pressure differential and the target tank pressure differential. This allows the pressures of the vacuum tank and the high-pressure tank to be adjusted to appropriate pressures, thereby improving the operational stability of each tank. The pump speed is controlled to be as low as possible based on the initial tank pressure differential, the target tank pressure differential, the current absolute opening position of the high-pressure proportional valve, and the current absolute opening position of the vacuum proportional valve, thereby improving the stability of the pressures within the vacuum tank and the high-pressure tank under conditions of the lowest possible pump speed.

[0188] Among them, the operation process of the driving pressure control device of this embodiment specifically refers to the driving pressure control method steps S101 to S104, steps S201 to S203, steps S301 to S304, steps S401 to S404, steps S501 to S503, steps S601 to S604, steps S701 to S704 and steps S901 to 903 in Figures 1, 2, 3, 4, 5, 6, 7 and 9 described above, and will not be repeated here.

[0189] Another embodiment of the present invention discloses a driving pressure control device, comprising: at least one processor, and a memory communicatively connected to the at least one processor; wherein the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor so as to enable the at least one processor to execute a driving pressure control method such as control method steps S101 to S104 in Figure 1, control method steps S201 to S203 in Figure 2, control method steps S301 to S304 in Figure 3, control method steps S401 to S404 in Figure 4, control method steps S501 to S503 in Figure 5, control method steps S601 to S604 in Figure 6, control method steps S701 to S704 in Figure 7, and control method steps S901 to S903 in Figure 9.

[0190] Another embodiment of the present invention discloses a computer-readable storage medium, the storage medium comprising: the storage medium stores computer-executable instructions, the computer-executable instructions being used to enable a computer to execute the control method steps S101 to S104 in FIG1 , the control method steps S201 to S203 in FIG2 , the control method steps S301 to S304 in FIG3 , the control method steps S401 to S404 in FIG4 , the control method steps S501 to S503 in FIG5 , the control method steps S601 to S604 in FIG6 , the control method steps S701 to S704 in FIG7 , and the driving pressure control method steps S901 to S903 in FIG9 .

[0191] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, i.e., they may be located in one place or distributed across multiple network units. Some or all of the modules may be selected based on actual needs to achieve the objectives of this embodiment.

[0192] Those skilled in the art will appreciate that all or some of the steps and systems in the method disclosed above can be implemented as software, firmware, hardware, and appropriate combinations thereof. Some physical components or all physical components can be implemented as software executed by a processor, such as a central processing unit, a digital signal processor, or a microprocessor, or implemented as hardware, or implemented as an integrated circuit, such as an application-specific integrated circuit. Such software can be distributed on a computer-readable medium, and the computer-readable medium can include computer storage media (or non-transitory media) and communication media (or temporary media). As known to those skilled in the art, the term computer storage media is included in any method or technology for storing information (such as computer-readable instructions, data structures, program modules, or other data) and is volatile and non-volatile, removable, and non-removable. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory, or other memory technology, CD-ROM, digital versatile disks (DVD), or other optical disk storage, magnetic cassettes, magnetic tapes, disk storage, or other magnetic storage devices, or any other medium that can be used to store desired information and can be accessed by a computer. Furthermore, as is well known to those skilled in the art, communication media typically embodies computer-readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave or other transport mechanism, and may include any information delivery media.

[0193] While the embodiments of the present invention have been described in detail above with reference to the accompanying drawings, the present invention is not limited to the embodiments described above. Various modifications may be made within the scope of knowledge possessed by a person skilled in the art without departing from the spirit of the present invention. Furthermore, the embodiments of the present invention and the features thereof may be combined with one another unless there is a conflict.

Claims

1. A driving pressure control device, characterized in that: Applied to an intra-aortic balloon counterpulsation pump, the intra-aortic balloon counterpulsation pump comprises: a pump, a vacuum storage tank, a high-pressure storage tank, a vacuum proportional valve and a high-pressure proportional valve, and the driving pressure control device comprises: a tank pressure establishing module, used to adjust the speed of the pump according to the pump speed parameter acquired in advance, so as to establish the pressure in the vacuum storage tank to the initial vacuum storage tank pressure, and to establish the pressure difference between the vacuum storage tank and the high-pressure storage tank to the initial storage tank pressure difference; a vacuum proportional valve control module, used for adjusting the opening of the vacuum proportional valve according to the initial vacuum storage tank pressure and the target vacuum storage tank pressure, so as to control the pressure in the vacuum storage tank to the target vacuum storage tank pressure; a high-pressure proportional valve control module, used to adjust the opening of the high-pressure proportional valve according to the initial storage tank pressure difference and the target storage tank pressure difference, so as to control the pressure difference between the vacuum storage tank and the high-pressure storage tank to the target storage tank pressure difference; The pump speed regulating module is used to adjust the speed of the pump to the target speed while maintaining the normal operation of the intra-aortic balloon counterpulsation pump if the pressure in the vacuum tank and the pressure difference between the vacuum tank and the high-pressure tank tend to be stable.

2. A driving pressure control device, characterized in that: include: at least one processor, and a memory communicatively connected to the at least one processor; wherein, The memory stores instructions that can be executed by the at least one processor, and the instructions are executed by the at least one processor to enable the at least one processor to perform the following driving pressure control method: The driving pressure control method is applied to an intra-aortic balloon counterpulsation pump, which includes a pump, a vacuum storage tank, a high-pressure storage tank, a vacuum proportional valve and a high-pressure proportional valve. The driving pressure control method includes: adjusting the speed of the pump according to the pump speed parameter acquired in advance to establish the pressure in the vacuum storage tank to the initial vacuum storage tank pressure, and to establish the pressure difference between the vacuum storage tank and the high-pressure storage tank to the initial storage tank pressure difference; adjusting the opening of the vacuum proportional valve according to the initial vacuum storage tank pressure and the target vacuum storage tank pressure to regulate the pressure in the vacuum storage tank to the target vacuum storage tank pressure; adjusting the opening of the high-pressure proportional valve according to the initial tank pressure difference and the target tank pressure difference to adjust the pressure difference between the vacuum tank and the high-pressure tank to the target tank pressure difference; If the pressure in the vacuum storage tank and the pressure difference between the vacuum storage tank and the high-pressure storage tank tend to be stable, the rotation speed of the pump is adjusted to the target rotation speed while maintaining the normal operation of the intra-aortic balloon counterpulsation pump.

3. The driving pressure control device according to claim 2, characterized in that: The adjusting the opening of the vacuum proportional valve according to the initial vacuum storage tank pressure and the target vacuum storage tank pressure to adjust the pressure in the vacuum storage tank to the target vacuum storage tank pressure includes: comparing the initial vacuum tank pressure with a preset pressure range; If the initial vacuum storage tank pressure is not within the preset pressure range, obtaining the current opening of the vacuum proportional valve to obtain the initial vacuum proportional valve opening; The opening of the vacuum proportional valve is adjusted according to the initial vacuum proportional valve opening and a preset vacuum proportional valve opening range to regulate the pressure in the vacuum storage tank to the target vacuum storage tank pressure.

4. The driving pressure control device according to claim 3, characterized in that: The preset pressure range includes: the lower limit value of the vacuum tank pressure, the preset vacuum proportional valve opening range includes: the lower limit value of the vacuum proportional valve opening, and the adjustment of the opening of the vacuum proportional valve according to the initial vacuum proportional valve opening and the preset vacuum proportional valve opening range includes: If the initial vacuum storage tank pressure is less than the vacuum storage tank pressure lower limit value, the pressure rise rate of the vacuum storage tank is greater than the first pressure change rate threshold, and the opening of the vacuum proportional valve is greater than the vacuum proportional valve opening lower limit value, then the opening of the vacuum proportional valve is reduced according to the preset first pressure adjustment amplitude adjustment step until the opening of the vacuum proportional valve is adjusted to the vacuum proportional valve opening lower limit value; If the pressure increase rate is between the first pressure change rate threshold and the second pressure change rate threshold, the opening of the vacuum proportional valve is not adjusted; If the pressure rising rate is less than the second pressure change rate threshold, the absolute value of the pressure rising rate is less than the third pressure change rate threshold, and the absolute value of the difference between the initial vacuum storage tank pressure and the target vacuum storage tank pressure is less than the pressure difference threshold, then the step is adjusted according to the preset second pressure adjustment amplitude to increase the opening of the vacuum proportional valve; If the pressure rise rate is less than the second pressure change rate threshold, and the absolute value of the pressure rise rate is not less than the third pressure change rate threshold or the absolute value of the difference between the initial vacuum tank pressure and the target vacuum tank pressure is not less than the pressure difference threshold, the step is adjusted according to the preset third pressure adjustment amplitude to increase the opening of the vacuum proportional valve.

5. The driving pressure control device according to claim 4, characterized in that: The preset pressure range includes: the upper limit value of the vacuum tank pressure, and the opening of the vacuum proportional valve is adjusted according to the initial vacuum proportional valve opening and the preset vacuum proportional valve opening range, and further includes: If the initial vacuum tank pressure is greater than the vacuum tank pressure upper limit value, and the pressure drop rate of the vacuum tank is greater than a fourth pressure change rate threshold, the opening of the vacuum proportional valve is increased by adjusting the step according to a preset fourth pressure adjustment amplitude; If the pressure drop rate is between the fourth pressure change rate threshold and the fifth pressure change rate threshold, the opening of the vacuum proportional valve is not adjusted; If the pressure drop rate is less than the fourth pressure change rate threshold, the absolute value of the pressure drop rate is less than the sixth pressure change rate threshold, and the absolute value of the difference between the initial vacuum storage tank pressure and the target vacuum storage tank pressure is less than the pressure difference threshold, then the opening of the vacuum proportional valve is reduced according to the preset fifth pressure adjustment amplitude adjustment step until the opening of the vacuum proportional valve is adjusted to the lower limit of the vacuum proportional valve opening; If the pressure drop rate is less than the fifth pressure change rate threshold, and the absolute value of the pressure drop rate is not less than the sixth pressure change rate threshold or the absolute value of the difference between the initial vacuum tank pressure and the target vacuum tank pressure is not less than the pressure difference threshold, the opening of the vacuum proportional valve is increased according to the preset sixth pressure adjustment amplitude adjustment step until the opening of the vacuum proportional valve is adjusted to the lower limit of the vacuum proportional valve opening.

6. The driving pressure control device according to claim 2, wherein the opening of the high-pressure proportional valve is adjusted according to the initial tank pressure difference and the target tank pressure difference to adjust the pressure difference between the vacuum tank and the high-pressure tank to the target tank pressure difference, comprising: comparing the initial tank pressure differential with a preset positive pressure differential range; If the initial storage tank pressure difference is not within the preset positive pressure difference range, obtaining the current opening of the high-pressure proportional valve to obtain the initial high-pressure proportional valve opening; The opening of the high-pressure proportional valve is adjusted according to the initial high-pressure proportional valve opening and a preset high-pressure proportional valve opening range to regulate the pressure difference between the vacuum storage tank and the high-pressure storage tank to the target tank pressure difference.

7. The driving pressure control device according to claim 6, characterized in that: The preset positive pressure differential range includes: a positive pressure differential upper limit value, the preset high-pressure proportional valve opening range includes: a high-pressure proportional valve opening lower limit value, and the adjusting the opening of the high-pressure proportional valve according to the initial high-pressure proportional valve opening and the preset high-pressure proportional valve opening range includes: If the initial tank pressure difference is greater than the positive pressure difference upper limit, the pressure difference decrease rate between the vacuum tank and the high-pressure tank is greater than the first pressure difference change rate threshold, and the opening of the high-pressure proportional valve is greater than the high-pressure proportional valve opening lower limit, then the opening of the vacuum proportional valve is reduced according to the preset first pressure difference adjustment amplitude step adjustment until the opening of the vacuum proportional valve is adjusted to the vacuum proportional valve opening lower limit; If the pressure difference decrease rate is between the first pressure difference change rate threshold and the second pressure difference change rate threshold, the opening of the high-pressure proportional valve is not adjusted; If the pressure difference decrease rate is less than the second pressure difference change rate threshold, and the absolute value of the pressure difference decrease rate is less than the third pressure difference change rate threshold, and the absolute value of the difference between the initial tank pressure difference and the target tank pressure difference is less than the pressure difference difference threshold, then the step is adjusted according to the preset second pressure difference adjustment amplitude to increase the opening of the high-pressure proportional valve; If the pressure difference drop rate is less than the second pressure difference change rate threshold, and the absolute value of the pressure difference drop rate is not less than the third pressure difference change rate threshold or the absolute value of the difference between the initial tank pressure difference and the target tank pressure difference is not less than the pressure difference value threshold, then the step is adjusted according to the preset third pressure difference adjustment amplitude to increase the opening of the high-pressure proportional valve.

8. The driving pressure control device according to claim 7, characterized in that: The preset positive pressure differential range includes: a positive pressure differential lower limit value, and the adjusting the opening of the high pressure proportional valve according to the initial high pressure proportional valve opening and the preset high pressure proportional valve opening range also includes: If the initial tank pressure difference is less than the positive pressure difference lower limit value, and the pressure difference rising rate is greater than the fourth pressure difference change rate threshold, the step is adjusted according to the preset fourth pressure difference adjustment amplitude to increase the opening of the high-pressure proportional valve; If the pressure difference rising rate is between the fourth pressure difference change rate threshold and the fifth pressure difference change rate threshold, the opening of the high-pressure proportional valve is not adjusted; If the pressure difference rising rate is less than the fifth pressure difference change rate threshold, and the absolute value of the pressure difference rising rate is less than the sixth pressure difference change rate threshold, and the absolute value of the difference between the initial tank pressure difference and the target tank pressure difference is less than the pressure difference difference threshold, then the opening of the high-pressure proportional valve is reduced according to the preset fifth pressure difference adjustment amplitude adjustment step until the opening of the high-pressure proportional valve is adjusted to the lower limit of the opening of the high-pressure proportional valve; If the pressure difference rising rate is less than the fifth pressure difference change rate threshold, and the absolute value of the pressure difference rising rate is not less than the sixth pressure difference change rate threshold or the absolute value of the difference between the initial tank pressure difference and the target tank pressure difference is not less than the pressure difference difference threshold, then the step is adjusted according to the preset sixth pressure difference adjustment amplitude to reduce the opening of the high-pressure proportional valve until the opening of the high-pressure proportional valve is adjusted to the lower limit value of the opening of the high-pressure proportional valve.

9. The driving pressure control device according to claim 8, characterized in that: The preset air pump speed range includes: an air pump speed upper limit and an air pump speed lower limit, and adjusting the speed of the pump to the target speed includes: If the initial tank pressure difference is within the preset positive pressure difference range, the current rotation speed of the pump is acquired to obtain the initial air pump rotation speed; Within a preset time, if the average pressure difference between the vacuum storage tank and the high-pressure storage tank is greater than the lower limit of the positive pressure difference, and the initial high-pressure proportional valve opening and the initial vacuum proportional valve opening are both greater than the preset threshold values, the speed of the pump is reduced until the lower limit of the air pump speed is reached; Within the preset time, if the average pressure difference between the vacuum storage tank and the high-pressure storage tank is less than the lower limit of the positive pressure difference, the rotation speed of the pump is increased until the upper limit of the air pump rotation speed is reached.

10. A computer-readable storage medium, characterized in that: The computer readable storage medium stores computer executable instructions, and the computer executable instructions are used to enable a computer to execute the following driving pressure control method: The driving pressure control method is applied to an intra-aortic balloon counterpulsation pump, which includes a pump, a vacuum storage tank, a high-pressure storage tank, a vacuum proportional valve and a high-pressure proportional valve. The driving pressure control method includes: adjusting the speed of the pump according to the pump speed parameter acquired in advance to establish the pressure in the vacuum storage tank to the initial vacuum storage tank pressure, and to establish the pressure difference between the vacuum storage tank and the high-pressure storage tank to the initial storage tank pressure difference; adjusting the opening of the vacuum proportional valve according to the initial vacuum storage tank pressure and the target vacuum storage tank pressure to regulate the pressure in the vacuum storage tank to the target vacuum storage tank pressure; adjusting the opening of the high-pressure proportional valve according to the initial tank pressure difference and the target tank pressure difference to adjust the pressure difference between the vacuum tank and the high-pressure tank to the target tank pressure difference; If the pressure in the vacuum storage tank and the pressure difference between the vacuum storage tank and the high-pressure storage tank tend to be stable, the rotation speed of the pump is adjusted to the target rotation speed while maintaining the normal operation of the intra-aortic balloon counterpulsation pump.

11. The computer-readable storage medium according to claim 10, wherein: The adjusting the opening of the vacuum proportional valve according to the initial vacuum storage tank pressure and the target vacuum storage tank pressure to adjust the pressure in the vacuum storage tank to the target vacuum storage tank pressure includes: comparing the initial vacuum tank pressure with a preset pressure range; If the initial vacuum storage tank pressure is not within the preset pressure range, obtaining the current opening of the vacuum proportional valve to obtain the initial vacuum proportional valve opening; The opening of the vacuum proportional valve is adjusted according to the initial vacuum proportional valve opening and a preset vacuum proportional valve opening range to regulate the pressure in the vacuum storage tank to the target vacuum storage tank pressure.

12. The computer-readable storage medium according to claim 11, wherein: The preset pressure range includes: the lower limit value of the vacuum tank pressure, the preset vacuum proportional valve opening range includes: the lower limit value of the vacuum proportional valve opening, and the adjustment of the opening of the vacuum proportional valve according to the initial vacuum proportional valve opening and the preset vacuum proportional valve opening range includes: If the initial vacuum storage tank pressure is less than the vacuum storage tank pressure lower limit value, the pressure rise rate of the vacuum storage tank is greater than the first pressure change rate threshold, and the opening of the vacuum proportional valve is greater than the vacuum proportional valve opening lower limit value, then the opening of the vacuum proportional valve is reduced according to the preset first pressure adjustment amplitude adjustment step until the opening of the vacuum proportional valve is adjusted to the vacuum proportional valve opening lower limit value; If the pressure increase rate is between the first pressure change rate threshold and the second pressure change rate threshold, the opening of the vacuum proportional valve is not adjusted; If the pressure rising rate is less than the second pressure change rate threshold, the absolute value of the pressure rising rate is less than the third pressure change rate threshold, and the absolute value of the difference between the initial vacuum storage tank pressure and the target vacuum storage tank pressure is less than the pressure difference threshold, then the step is adjusted according to the preset second pressure adjustment amplitude to increase the opening of the vacuum proportional valve; If the pressure rise rate is less than the second pressure change rate threshold, and the absolute value of the pressure rise rate is not less than the third pressure change rate threshold or the absolute value of the difference between the initial vacuum tank pressure and the target vacuum tank pressure is not less than the pressure difference threshold, the step is adjusted according to the preset third pressure adjustment amplitude to increase the opening of the vacuum proportional valve.

13. The computer-readable storage medium according to claim 12, wherein: The preset pressure range includes: the upper limit value of the vacuum tank pressure, and the opening of the vacuum proportional valve is adjusted according to the initial vacuum proportional valve opening and the preset vacuum proportional valve opening range, and further includes: If the initial vacuum tank pressure is greater than the vacuum tank pressure upper limit value, and the pressure drop rate of the vacuum tank is greater than a fourth pressure change rate threshold, the opening of the vacuum proportional valve is increased by adjusting the step according to a preset fourth pressure adjustment amplitude; If the pressure drop rate is between the fourth pressure change rate threshold and the fifth pressure change rate threshold, the opening of the vacuum proportional valve is not adjusted; If the pressure drop rate is less than the fourth pressure change rate threshold, the absolute value of the pressure drop rate is less than the sixth pressure change rate threshold, and the absolute value of the difference between the initial vacuum storage tank pressure and the target vacuum storage tank pressure is less than the pressure difference threshold, then the opening of the vacuum proportional valve is reduced according to the preset fifth pressure adjustment amplitude adjustment step until the opening of the vacuum proportional valve is adjusted to the lower limit of the vacuum proportional valve opening; If the pressure drop rate is less than the fifth pressure change rate threshold, and the absolute value of the pressure drop rate is not less than the sixth pressure change rate threshold or the absolute value of the difference between the initial vacuum tank pressure and the target vacuum tank pressure is not less than the pressure difference threshold, the opening of the vacuum proportional valve is increased according to the preset sixth pressure adjustment amplitude adjustment step until the opening of the vacuum proportional valve is adjusted to the lower limit of the vacuum proportional valve opening.

14. The computer-readable storage medium according to claim 10, wherein: The step of adjusting the opening of the high-pressure proportional valve according to the initial tank pressure difference and the target tank pressure difference to adjust the pressure difference between the vacuum tank and the high-pressure tank to the target tank pressure difference comprises: comparing the initial tank pressure differential with a preset positive pressure differential range; If the initial storage tank pressure difference is not within the preset positive pressure difference range, obtaining the current opening of the high-pressure proportional valve to obtain the initial high-pressure proportional valve opening; The opening of the high-pressure proportional valve is adjusted according to the initial high-pressure proportional valve opening and a preset high-pressure proportional valve opening range to regulate the pressure difference between the vacuum storage tank and the high-pressure storage tank to the target tank pressure difference.

15. The computer-readable storage medium according to claim 14, wherein: The preset positive pressure differential range includes: a positive pressure differential upper limit value, the preset high-pressure proportional valve opening range includes: a high-pressure proportional valve opening lower limit value, and the adjusting the opening of the high-pressure proportional valve according to the initial high-pressure proportional valve opening and the preset high-pressure proportional valve opening range includes: If the initial tank pressure difference is greater than the positive pressure difference upper limit, the pressure difference decrease rate between the vacuum tank and the high-pressure tank is greater than the first pressure difference change rate threshold, and the opening of the high-pressure proportional valve is greater than the high-pressure proportional valve opening lower limit, then the opening of the vacuum proportional valve is reduced according to the preset first pressure difference adjustment amplitude step adjustment until the opening of the vacuum proportional valve is adjusted to the vacuum proportional valve opening lower limit; If the pressure difference decrease rate is between the first pressure difference change rate threshold and the second pressure difference change rate threshold, the opening of the high-pressure proportional valve is not adjusted; If the pressure difference decrease rate is less than the second pressure difference change rate threshold, and the absolute value of the pressure difference decrease rate is less than the third pressure difference change rate threshold, and the absolute value of the difference between the initial tank pressure difference and the target tank pressure difference is less than the pressure difference difference threshold, then the step is adjusted according to the preset second pressure difference adjustment amplitude to increase the opening of the high-pressure proportional valve; If the pressure difference drop rate is less than the second pressure difference change rate threshold, and the absolute value of the pressure difference drop rate is not less than the third pressure difference change rate threshold or the absolute value of the difference between the initial tank pressure difference and the target tank pressure difference is not less than the pressure difference value threshold, then the step is adjusted according to the preset third pressure difference adjustment amplitude to increase the opening of the high-pressure proportional valve.

16. The computer-readable storage medium according to claim 15, wherein: The preset positive pressure differential range includes: a positive pressure differential lower limit value, and the adjusting the opening of the high pressure proportional valve according to the initial high pressure proportional valve opening and the preset high pressure proportional valve opening range also includes: If the initial tank pressure difference is less than the positive pressure difference lower limit value, and the pressure difference rising rate is greater than the fourth pressure difference change rate threshold, the step is adjusted according to the preset fourth pressure difference adjustment amplitude to increase the opening of the high-pressure proportional valve; If the pressure difference rising rate is between the fourth pressure difference change rate threshold and the fifth pressure difference change rate threshold, the opening of the high-pressure proportional valve is not adjusted; If the pressure difference rising rate is less than the fifth pressure difference change rate threshold, and the absolute value of the pressure difference rising rate is less than the sixth pressure difference change rate threshold, and the absolute value of the difference between the initial tank pressure difference and the target tank pressure difference is less than the pressure difference difference threshold, then the opening of the high-pressure proportional valve is reduced according to the preset fifth pressure difference adjustment amplitude adjustment step until the opening of the high-pressure proportional valve is adjusted to the lower limit of the opening of the high-pressure proportional valve; If the pressure difference rising rate is less than the fifth pressure difference change rate threshold, and the absolute value of the pressure difference rising rate is not less than the sixth pressure difference change rate threshold or the absolute value of the difference between the initial tank pressure difference and the target tank pressure difference is not less than the pressure difference difference threshold, then the step is adjusted according to the preset sixth pressure difference adjustment amplitude to reduce the opening of the high-pressure proportional valve until the opening of the high-pressure proportional valve is adjusted to the lower limit value of the opening of the high-pressure proportional valve.

17. The computer-readable storage medium according to claim 16, wherein: The preset air pump speed range includes: an air pump speed upper limit and an air pump speed lower limit, and adjusting the speed of the pump to the target speed includes: If the initial tank pressure difference is within the preset positive pressure difference range, the current rotation speed of the pump is acquired to obtain the initial air pump rotation speed; Within a preset time, if the average pressure difference between the vacuum storage tank and the high-pressure storage tank is greater than the lower limit of the positive pressure difference, and the initial high-pressure proportional valve opening and the initial vacuum proportional valve opening are both greater than the preset threshold values, the speed of the pump is reduced until the lower limit of the air pump speed is reached; Within the preset time, if the average pressure difference between the vacuum storage tank and the high-pressure storage tank is less than the lower limit of the positive pressure difference, the rotation speed of the pump is increased until the upper limit of the air pump rotation speed is reached.

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