Gas switching method, system and equipment for cold light source of endoscope, medium and product

Abstract

The invention discloses a gas switching method, system and equipment for a cold light source of an endoscope, a medium and a product, and relates to the technical field of endoscopes. The endoscope cold light source air supply system comprises a control module, an air pump, an air detection module, a first one-way valve, a second one-way valve, a three-way pipe fitting, an external air input interface and an air output interface, the gas detection module comprises a gas flow sensor and a gas pressure sensor; the method comprises the following steps: detecting a gas input state at an external gas input interface through a gas detection module; if the gas input state shows that external gas input exists in the external gas input interface, the use state of the gas pump is obtained; if the use state of the air pump is the open state, the air pump is closed through the control module, so that the use state of the air pump is converted into the closed state, and the use safety of the endoscope is remarkably improved.

Description

Technical Field

[0001] The present application relates to the technical field of endoscopes, and in particular to a gas switching method, system, equipment, medium and product for an endoscope cold light source. Background Art

[0002] As one of the core components of the endoscope system, the endoscope cold light source plays an indispensable role in the smooth progress of surgery. It is mainly composed of multiple high-brightness, low-energy LED lamps. Its core function is to provide sufficient and uniform illumination for the endoscope, ensuring that the doctor can clearly observe the details of the patient's internal tissues and organs, thereby making accurate diagnoses and performing precise surgical operations. In addition, to meet the needs of the endoscope system in different surgical scenarios, the cold light source is usually equipped with an air pump. The main function of this air pump is to supply air to the endoscope system.

[0003] However, in actual endoscopic surgery, the scenarios are complex and diverse, and different surgeries may have specific requirements for the type of gas used. For example, in some specialized endoscopic surgeries, other gases such as carbon dioxide and nitrogen may be used to replace air to achieve better surgical results or meet specific physiological needs. In some cases, air is not recommended during endoscopic submucosal dissection (ESD).

[0004] To meet this demand, the traditional method is to connect the required external gas to the endoscope system through a special interface. At the same time, medical staff are required to manually shut down the air pump inside the cold light source to stop the air supply. However, this method is inconvenient to operate and there is a risk of forgetting to shut down the cold light source air pump, which may cause the air and external gas to be supplied at the same time, causing potential harm to the patient. Summary of the Invention

[0005] The purpose of this application is to provide a gas switching method, system, equipment, medium and product for an endoscope cold light source, which can avoid the situation where air and external gas are supplied at the same time, thereby improving the safety of endoscope use.

[0006] To achieve the above objectives, this application provides the following solutions: In the first aspect, the present application provides a gas switching method for an endoscope cold light source, which is applied to an endoscope cold light source gas supply system, wherein the endoscope cold light source gas supply system includes a control module, an air pump, a gas detection module, a first one-way valve, a second one-way valve, a three-way pipe fitting, an external gas input interface and a gas output interface; the gas detection module includes an air flow sensor and an air pressure sensor; the external gas input interface is connected to the gas detection module, the gas detection module is connected to the input end of the second one-way valve, the output end of the second one-way valve is connected to the first input end of the three-way pipe fitting, the output end of the three-way pipe fitting is connected to the gas output interface, the air pump is connected to the input end of the first one-way valve, the output end of the first one-way valve is connected to the second input end of the three-way pipe fitting, and the control module is used to control the air pump and the gas detection module; wherein, The gas switching method of the endoscope cold light source includes: Detecting the gas input state at the external gas input interface by the gas detection module; If the gas input status indicates that external gas is input to the external gas input interface, obtaining the use status of the gas pump; If the use state of the air pump is the on state, the air pump is turned off by the control module, so that the use state of the air pump is converted to the off state.

[0007] Optionally, the method further includes: If the gas input status indicates that there is no external gas input to the external gas input interface, obtaining the use status of the gas pump; If the use state of the air pump is the off state, the air pump is turned on by the control module, so that the use state of the air pump is converted to the on state.

[0008] Optionally, detecting the gas input state at the external gas input interface by the gas detection module specifically includes: Detecting the current gas flow in the gas detection module by the gas flow sensor; If the current gas flow rate is greater than a preset flow rate threshold, the presence of external gas input at the external gas input interface is determined as a gas input state at the external gas input interface.

[0009] Optionally, the method further includes: If the current gas flow rate is less than or equal to the preset flow rate threshold, detecting the current air pressure in the gas detection module through the air pressure sensor; If the current gas pressure is greater than the preset gas pressure threshold, determining that there is external gas input at the external gas input interface as the gas input state at the external gas input interface; If the current air pressure is less than or equal to the preset air pressure threshold, the absence of external gas input to the external gas input interface is determined as the gas input state at the external gas input interface.

[0010] Optionally, the gas flow sensor is provided with a throttling device, and the external gas inputted from the external gas input interface flows through the throttling device. The detecting the current gas flow in the gas detection module by the gas flow sensor specifically includes: Detecting the input air pressure of the input end of the throttling device and the output air pressure of the output end of the throttling device by the air flow sensor; Obtaining the inner diameter of the orifice plate provided in the throttling device; The current gas flow in the gas detection module is calculated based on the input gas pressure, the output gas pressure, the inner diameter, the gas density of the external gas, and a preset flow coefficient and expansion coefficient.

[0011] Optionally, the calculation formula for the current gas flow in the gas detection module is: ; Wherein, Q represents the current gas flow rate, C represents the flow coefficient, represents the expansion coefficient, d represents the inner diameter, ρ represents the gas density of the external gas, Indicates the difference between the input air pressure and the output air pressure.

[0012] In the second aspect, the present application provides a gas switching system for an endoscope cold light source, which is applied to an endoscope cold light source gas supply system, wherein the endoscope cold light source gas supply system includes a control module, an air pump, a gas detection module, a first one-way valve, a second one-way valve, a three-way pipe fitting, an external gas input interface and a gas output interface; the gas detection module includes an air flow sensor and an air pressure sensor; the external gas input interface is connected to the gas detection module, the gas detection module is connected to the input end of the second one-way valve, the output end of the second one-way valve is connected to the first input end of the three-way pipe fitting, the output end of the three-way pipe fitting is connected to the gas output interface, the air pump is connected to the input end of the first one-way valve, the output end of the first one-way valve is connected to the second input end of the three-way pipe fitting, and the control module is used to control the air pump and the gas detection module; wherein, The gas switching system of the endoscope cold light source includes: a detection unit, configured to detect a gas input state at the external gas input interface through the gas detection module; an acquiring unit, configured to acquire a usage status of the gas pump if the gas input status indicates that external gas is input to the external gas input interface; The control unit is configured to shut down the air pump through the control module if the air pump is in an on state, so as to convert the air pump into an off state.

[0013] In a third aspect, the present application provides a computer device comprising: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the steps of the gas switching method of the endoscope cold light source described above.

[0014] In a fourth aspect, the present application provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the steps of any one of the above-mentioned gas switching methods for an endoscope cold light source.

[0015] In a fifth aspect, the present application provides a computer program product, comprising a computer program, which, when executed by a processor, implements the steps of any one of the above-mentioned gas switching methods for an endoscope cold light source.

[0016] In a sixth aspect, the present application provides a chip, which includes a processor and a communication interface, the communication interface and the processor are coupled, the processor is used to run a program or instruction, and when the processor executes the program or instruction, the steps of the gas switching method of the endoscope cold light source described in any one of the above are implemented.

[0017] According to the specific embodiments provided in this application, this application discloses the following technical effects: This application provides a gas switching method, system, device, medium and product for an endoscope cold light source. The gas detection module accurately detects the gas input status at the external gas input interface in real time, and combines it with intelligent judgment and control of the air pump usage status. Once external gas input is detected and the air pump is in the on state, the control module will immediately shut down the air pump, eliminating the possibility of simultaneous supply of air and external gas from the root, effectively avoiding the potential hazards caused by the simultaneous supply of two gases in some surgical scenarios where the use of air is not recommended (such as ESD), and significantly improving the safety of endoscope use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 A schematic diagram of an endoscope cold light source gas supply system provided in one embodiment of the present application; Figure 2 A schematic flow chart of a gas switching method for an endoscope cold light source provided in one embodiment of the present application; Figure 3 A schematic structural diagram of a throttling device provided in one embodiment of the present application; Figure 4 A schematic diagram of the functional modules of a gas switching device for an endoscope cold light source provided in one embodiment of the present application; Figure 5 A schematic diagram of the structure of a computer device provided in one embodiment of the present application. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0021] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0022] The gas switching method of the endoscope cold light source provided in the embodiment of the present application can be applied to Figure 1The endoscope cold light source gas supply system shown in the figure includes a control module 1, an air pump 2, a gas detection module 3, a first one-way valve 4, a second one-way valve 5, a three-way pipe 6, an external gas input interface 7, and a gas output interface 8; the gas detection module 3 includes an air flow sensor 3a and an air pressure sensor 3b; the external gas input interface 7 is connected to the gas detection module 3, the gas detection module 3 is connected to the input end of the second one-way valve 5, the output end of the second one-way valve 5 is connected to the first input end of the three-way pipe 6, the output end of the three-way pipe 6 is connected to the gas output interface 8, the air pump 2 is connected to the input end of the first one-way valve 4, and the output end of the first one-way valve 4 is connected to the second input end of the three-way pipe 6; the control module 1 is used to control the air pump 2 and the gas detection module 3.

[0023] In an exemplary embodiment, Figure 2 As shown, a gas switching method for an endoscope cold light source is provided. The method is executed by a computer device, specifically, it can be executed by a computer device such as a terminal or a server alone, or it can be executed by a terminal and a server together. In the embodiment of the present application, the following steps 201 to 203 are included. Among them: Step 201 : Detecting the gas input state at the external gas input interface 7 through the gas detection module 3 .

[0024] In the embodiment of the present application, the control system is responsible for the logic processing part of the cold light source of the endoscope, and monitors whether there is external gas input, and controls the switch of the air pump 2; the air pump 2 outputs a continuous air flow by means of compressed air; the gas detection module 3, when the air path is flowing, detects whether there is external gas input through the air flow sensor; when the air path is blocked, detects whether there is external gas input through the air pressure sensor 3b; the first one-way valve 4 is installed on the air branch to prevent external gas from flowing back; the second one-way valve 5 is installed on the external gas branch to prevent air from flowing back; the three-way pipe fitting 6 merges the air branch and the external gas branch, and outputs through the same output port; the external gas input interface 7 is used to connect an external gas source; the gas output interface 8 outputs gas, connects the endoscope, and inputs air or external gas into the endoscope.

[0025] In the embodiment of the present application, the gas input state at the external gas input interface 7 may indicate whether external gas is input, that is, external gas is input at the external gas input interface 7 or external gas is not input at the external gas input interface 7 .

[0026] As an optional implementation manner, the method of detecting the gas input state at the external gas input interface 7 by the gas detection module 3 in step 201 may include: Detecting the current gas flow in the gas detection module 3 by the gas flow sensor; If the current gas flow rate is greater than the preset flow rate threshold, the presence of external gas input through the external gas input interface 7 is determined as the gas input state at the external gas input interface 7 .

[0027] If the current gas flow rate is less than or equal to the preset flow rate threshold, the current gas pressure in the gas detection module 3 is detected by the gas pressure sensor 3b; If the current air pressure is greater than the preset air pressure threshold, the presence of external gas input at the external gas input interface 7 is determined as the gas input state at the external gas input interface 7; If the current air pressure is less than or equal to the preset air pressure threshold, the absence of external gas input to the external gas input interface 7 is determined as the gas input state at the external gas input interface 7 .

[0028] In this embodiment, a gas flow sensor and a pressure sensor 3b are used to jointly detect the gas input status at the external gas input interface 7. The gas flow sensor is first used to quickly and preliminarily determine the gas input status. If the flow rate does not meet the conditions, the pressure sensor 3b is used for further precise identification. This step-by-step and comprehensive detection strategy effectively overcomes the limitations of single sensor detection and can more accurately and reliably determine the external gas input status, providing an accurate basis for the subsequent intelligent control of the air pump 2. This avoids endoscope malfunctions caused by misjudgment of the gas supply status and improves the stability and safety of the endoscope system.

[0029] Please also refer to Figure 3 , Figure 3 The throttling device is a schematic diagram of the throttling device. The throttling device is set in the air flow sensor. The external gas input from the external gas input interface 7 flows through the throttling device. The throttling device is provided with an orifice plate D, which is provided with a small hole with an inner diameter of d. Figure 3 The direction of the arrow shown is the flow direction of the external gas, wherein P1 represents the input gas pressure detected at the input end of the throttling device, and P2 represents the output gas pressure detected at the output end of the throttling device.

[0030] Optionally, the method of detecting the current gas flow in the gas detection module 3 by the gas flow sensor may include: Detecting the input air pressure at the input end of the throttling device and the output air pressure at the output end of the throttling device by the air flow sensor; Obtaining the inner diameter of the orifice plate provided in the throttling device; The current gas flow in the gas detection module 3 is calculated based on the input gas pressure, the output gas pressure, the inner diameter, the gas density of the external gas, and the preset flow coefficient and expansion coefficient.

[0031] In this implementation, a throttling device is installed in the gas flow sensor, and the current gas flow rate is calculated by detecting the air pressure at its input and output ends, combining the inner diameter of the orifice plate, the gas density, and a preset coefficient. This design cleverly utilizes the throttling principle, eliminating the need for complex and expensive direct flow measurement equipment, achieving high-precision gas flow detection at a low cost. It can accurately sense the external gas input and provide reliable data for the endoscope cold light source system to accurately judge the gas input status, thereby ensuring that the system reasonably adjusts its operation according to the gas supply, improving the stability and safety of endoscope use.

[0032] In the embodiment of the present application, the calculation formula of the current gas flow in the gas detection module 3 is: ; Wherein, Q represents the current gas flow rate, C represents the flow coefficient, which is usually obtained through experiments. represents the expansion coefficient, dimensionless, d represents the inner diameter, ρ represents the gas density of the external gas, Indicates the difference between the input air pressure and the output air pressure.

[0033] In the embodiment of the present application, based on the Bernoulli principle, when the gas filling the pipeline passes through the throttling device in the pipeline, the flow rate will form a local contraction at the throttling device, which will convert part of the pressure energy into kinetic energy. As a result, the flow rate increases, the static pressure decreases, and a pressure difference is generated before and after the throttling device. The greater the flow rate, the greater the pressure difference, and vice versa. By measuring the size of the pressure difference, the gas flow rate can be indirectly calculated. The pressure difference between P1 and P2 can be measured by the pressure differential sensor .

[0034] Step 202 : If the gas input status indicates that external gas is inputted into the external gas input interface 7 , the use status of the gas pump 2 is obtained.

[0035] Step 203 : If the use state of the air pump 2 is the on state, the air pump 2 is turned off by the control module 1 , so that the use state of the air pump 2 is converted to the off state.

[0036] As an optional implementation, after step 201, the following steps may be further performed: If the gas input status indicates that there is no external gas input to the external gas input interface 7, the use status of the gas pump 2 is obtained; If the use state of the air pump 2 is the off state, the air pump 2 is turned on by the control module 1 so that the use state of the air pump 2 is converted to the on state.

[0037] In this embodiment, after detecting that there is no external gas input to the external gas input interface 7, the use status of the air pump 2 is further obtained and the air pump 2 is automatically turned on when it is turned off. This design realizes the intelligent response of the endoscope cold light source gas supply system to the gas supply situation. When the external gas supply is cut off, it can promptly switch to the gas supply of the air pump 2, ensuring that the endoscope always has a stable gas source, avoiding problems such as affecting the clarity of the surgical field of view or causing pressure imbalance in the body cavity due to gas supply interruption, effectively improving the reliability and safety of the endoscope and ensuring the smooth progress of medical operations such as surgery.

[0038] The embodiments of the present application have the following advantages.

[0039] Easy operation: By setting an external gas access interface and a gas identification device on the cold light source of the endoscope, users can more conveniently connect and switch external gases without complicated operation steps, thus improving the efficiency and convenience of surgery; High safety: The automatic switching control mechanism can effectively avoid the simultaneous supply of air and external gas, preventing potential risks and complications caused by gas mixing, and ensuring patient safety; High reliability: The gas identification device can accurately identify different types of gases, ensuring that there will be no misoperation or gas supply errors during the switching process, thus improving the reliability and stability of the system; Good flexibility: This method is suitable for various types of endoscopic surgical scenarios. It can flexibly switch different gases according to surgical needs, meet the special requirements of different surgeries, and has wide applicability.

[0040] The implementation of steps 201 to 203 above effectively avoids the potential hazards that may be caused by the simultaneous supply of two gases to some surgical scenarios where the use of air is not recommended (such as ESD), and significantly improves the safety of endoscope use. In addition, the present application can also improve the stability and safety of the operation of the endoscope system. In addition, the present application can also ensure that the system reasonably adjusts its operation according to the gas supply, thereby improving the stability and safety of endoscope use. In addition, the present application can also avoid problems such as the interruption of gas supply affecting the clarity of the surgical field of view or causing pressure imbalance in the body cavity, effectively improving the reliability and safety of endoscope use, and ensuring the smooth progress of medical operations such as surgery.

[0041] Based on the same inventive concept, the embodiments of the present application also provide a gas switching system for an endoscope cold light source for implementing the above-mentioned gas switching method for an endoscope cold light source. The implementation solution provided by the device is similar to the implementation solution described in the above-mentioned method. Therefore, the specific limitations of the embodiments of one or more gas switching systems for endoscope cold light sources provided below can be referred to the limitations of the gas switching method for an endoscope cold light source above, and will not be repeated here.

[0042] In an exemplary embodiment, Figure 4 As shown, a gas switching system for an endoscope cold light source is provided, which is applied to an endoscope cold light source gas supply system. The endoscope cold light source gas supply system includes a control module, an air pump, a gas detection module, a first one-way valve, a second one-way valve, a three-way pipe fitting, an external gas input interface and a gas output interface; the gas detection module includes an air flow sensor and an air pressure sensor; the external gas input interface is connected to the gas detection module, the gas detection module is connected to the input end of the second one-way valve, the output end of the second one-way valve is connected to the first input end of the three-way pipe fitting, the output end of the three-way pipe fitting is connected to the gas output interface, the air pump is connected to the input end of the first one-way valve, the output end of the first one-way valve is connected to the second input end of the three-way pipe fitting, and the control module is used to control the air pump and the gas detection module; wherein, The gas switching system of the endoscope cold light source includes: The detection unit 401 is configured to detect the gas input state at the external gas input interface through the gas detection module; an acquiring unit 402, configured to acquire a usage status of the gas pump if the gas input status indicates that external gas is input to the external gas input interface; The control unit 403 is configured to, if the use state of the air pump is the on state, turn off the air pump through the control module, so that the use state of the air pump is converted to the off state.

[0043] As an optional implementation manner, the detection unit 401 is further configured to: If the gas input status indicates that there is no external gas input to the external gas input interface, obtaining the use status of the gas pump; If the use state of the air pump is the off state, the air pump is turned on by the control module, so that the use state of the air pump is converted to the on state.

[0044] Among them, this implementation method, after detecting that there is no external gas input to the external gas input interface, further obtains the use status of the air pump and automatically turns on the air pump when it is turned off. This design realizes the intelligent response of the endoscope cold light source gas supply system to the gas supply situation. When the external gas supply is cut off, it can switch to the air pump supply in time to ensure that the endoscope always has a stable gas source, avoiding problems such as affecting the clarity of the surgical field of view or causing pressure imbalance in the body cavity due to gas supply interruption, effectively improving the reliability and safety of endoscope use, and ensuring the smooth progress of medical operations such as surgery.

[0045] As an optional implementation manner, the detection unit 401 detects the gas input state at the external gas input interface through the gas detection module in the following manner: Detecting the current gas flow in the gas detection module by the gas flow sensor; If the current gas flow rate is greater than a preset flow rate threshold, the presence of external gas input at the external gas input interface is determined as a gas input state at the external gas input interface.

[0046] If the current gas flow rate is less than or equal to the preset flow rate threshold, detecting the current air pressure in the gas detection module through the air pressure sensor; If the current air pressure is greater than the preset air pressure threshold, determining that there is external gas input at the external gas input interface as the gas input state at the external gas input interface; If the current air pressure is less than or equal to the preset air pressure threshold, the absence of external gas input to the external gas input interface is determined as the gas input state at the external gas input interface.

[0047] In this implementation, a gas flow sensor and a pressure sensor are used to jointly detect the gas input status at the external gas input interface. The gas flow sensor is first used to quickly make a preliminary judgment. If the flow rate does not meet the conditions, the pressure sensor is used for further precise identification. This step-by-step and comprehensive detection strategy effectively overcomes the limitations of single sensor detection and can more accurately and reliably determine the external gas input status, providing an accurate basis for the subsequent intelligent control of the air pump, thereby avoiding endoscope failures caused by misjudgment of the gas supply status and improving the stability and safety of the endoscope system.

[0048] As an optional embodiment, the air flow sensor is provided with a throttling device, and the external gas input by the external gas input interface flows through the throttling device. The detection unit 401 detects the current gas flow in the gas detection module through the air flow sensor in a specific manner: Detecting the input air pressure of the input end of the throttling device and the output air pressure of the output end of the throttling device by the air flow sensor; Obtaining the inner diameter of the orifice plate provided in the throttling device; The current gas flow in the gas detection module is calculated based on the input gas pressure, the output gas pressure, the inner diameter, the gas density of the external gas, and a preset flow coefficient and expansion coefficient.

[0049] In this implementation, a throttling device is installed in the gas flow sensor, and the current gas flow rate is calculated by detecting the air pressure at its input and output ends, combining the inner diameter of the orifice plate, the gas density, and a preset coefficient. This design cleverly utilizes the throttling principle, eliminating the need for complex and expensive direct flow measurement equipment, achieving high-precision gas flow detection at a low cost. It can accurately sense the external gas input and provide reliable data for the endoscope cold light source system to accurately judge the gas input status, thereby ensuring that the system reasonably adjusts its operation according to the gas supply, improving the stability and safety of endoscope use.

[0050] In the embodiment of the present application, the calculation formula of the current gas flow in the gas detection module is: ; Wherein, Q represents the current gas flow rate, C represents the flow coefficient, represents the expansion coefficient, d represents the inner diameter, ρ represents the gas density of the external gas, Indicates the difference between the input air pressure and the output air pressure.

[0051] The implementation of the above embodiment effectively avoids the potential hazards caused by the simultaneous supply of two gases in some surgical scenarios where the use of air is not recommended (such as ESD), and significantly improves the safety of endoscope use. In addition, the present application can also improve the stability and safety of the operation of the endoscope system. In addition, the present application can also ensure that the system reasonably adjusts its operation according to the gas supply, improving the stability and safety of endoscope use. In addition, the present application can also avoid problems such as the interruption of gas supply affecting the clarity of the surgical field of view or causing pressure imbalance in the body cavity, effectively improving the reliability and safety of endoscope use, and ensuring the smooth progress of medical operations such as surgery.

[0052] In an exemplary embodiment, a computer device is provided. The computer device may be a server or a terminal. The internal structure diagram thereof may be as follows: Figure 5As shown. The computer device includes a processor, a memory, an input / output interface (Input / Output, abbreviated as I / O) and a communication interface. The processor, memory and input / output interface are connected through a system bus, and the communication interface is connected to the system bus through the input / output interface. The processor of the computer device is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program and a database. The internal memory provides an environment for the operation of the operating system and computer program in the non-volatile storage medium. The database of the computer device is used to store gas switching data of an endoscope cold light source. The input / output interface of the computer device is used to exchange information between the processor and an external device. The communication interface of the computer device is used to communicate with an external terminal through a network connection. When the computer program is executed by the processor, a gas switching method of an endoscope cold light source is implemented.

[0053] Those skilled in the art will understand that Figure 5 The structure shown in the figure is only a block diagram of a part of the structure related to the solution of the present application, and does not constitute a limitation on the computer device to which the solution of the present application is applied. The specific computer device may include more or fewer components than shown in the figure, or combine certain components, or have a different component arrangement.

[0054] In an exemplary embodiment, a computer device is further provided, including a memory and a processor. The memory stores a computer program, and the processor implements the steps in the above method embodiments when executing the computer program.

[0055] In an exemplary embodiment, a computer-readable storage medium is provided, storing a computer program. When the computer program is executed by a processor, the steps in the above-mentioned method embodiments are implemented.

[0056] In an exemplary embodiment, a computer program product is provided, including a computer program. When the computer program is executed by a processor, the steps in the above method embodiments are implemented.

[0057] In an exemplary embodiment, a chip is provided, which includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the steps in the above-mentioned method embodiments and achieve the same technical effects. To avoid repetition, they are not described here.

[0058] It should be understood that the chip mentioned in the embodiments of the present application can also be called a system-level chip, a system chip, a chip system or a system-on-chip chip, etc.

[0059] It should be noted that the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data used for analysis, stored data, displayed data, etc.) involved in this application are all information and data authorized by the user or fully authorized by all parties, and the collection, use and processing of relevant data must comply with relevant regulations.

[0060] Those skilled in the art will appreciate that all or part of the processes in the above-mentioned embodiments can be implemented by instructing the relevant hardware through a computer program. The computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the above-mentioned embodiments. In particular, any reference to memory, database, or other media used in the embodiments provided in this application can include at least one of non-volatile and volatile memory. Non-volatile memory can include read-only memory (ROM), magnetic tape, floppy disk, flash memory, optical memory, high-density embedded non-volatile memory, resistive random access memory (ReRAM), magnetic random access memory (MRAM), ferroelectric random access memory (FRAM), phase change memory (PCM), graphene memory, etc. Volatile memory can include random access memory (RAM) or external cache memory, etc. By way of illustration and not limitation, RAM may be in various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM).

[0061] The databases involved in the various embodiments provided herein may include at least one of a relational database and a non-relational database. Non-relational databases may include, but are not limited to, distributed databases based on blockchains. The processors involved in the various embodiments provided herein may include, but are not limited to, general-purpose processors, central processing units, graphics processing units, digital signal processors, programmable logic units, data processing logic units based on quantum computing, and the like.

[0062] The technical features of the above embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0063] This document uses specific examples to illustrate the principles and implementation methods of this application. The description of the above examples is only intended to help understand the method and core concept of this application. At the same time, for those skilled in the art, based on the concept of this application, there may be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting this application.

Claims

1. A gas switching method for an endoscope cold light source, applied to an endoscope cold light source gas supply system, characterized in that: The endoscope cold light source gas supply system includes a control module, an air pump, a gas detection module, a first one-way valve, a second one-way valve, a three-way pipe fitting, an external gas input interface and a gas output interface; the gas detection module includes an air flow sensor and an air pressure sensor; the external gas input interface is connected to the gas detection module, the gas detection module is connected to the input end of the second one-way valve, the output end of the second one-way valve is connected to the first input end of the three-way pipe fitting, the output end of the three-way pipe fitting is connected to the gas output interface, the air pump is connected to the input end of the first one-way valve, the output end of the first one-way valve is connected to the second input end of the three-way pipe fitting, and the control module is used to control the air pump and the gas detection module; wherein, The gas switching method of the endoscope cold light source includes: Detecting the gas input state at the external gas input interface by the gas detection module; If the gas input status indicates that external gas is input to the external gas input interface, obtaining the use status of the gas pump; If the use state of the air pump is the on state, the air pump is turned off by the control module, so that the use state of the air pump is converted to the off state.

2. The gas switching method of an endoscope cold light source according to claim 1, characterized in that: The method further comprises: If the gas input status indicates that there is no external gas input to the external gas input interface, obtaining the use status of the gas pump; If the use state of the air pump is the off state, the air pump is turned on by the control module, so that the use state of the air pump is converted to the on state.

3. The gas switching method of an endoscope cold light source according to claim 1, characterized in that: The detecting the gas input state at the external gas input interface by the gas detection module specifically includes: Detecting the current gas flow in the gas detection module by the gas flow sensor; If the current gas flow rate is greater than a preset flow rate threshold, the presence of external gas input at the external gas input interface is determined as the gas input state at the external gas input interface.

4. The gas switching method of an endoscope cold light source according to claim 3, characterized in that: The method further comprises: If the current gas flow rate is less than or equal to the preset flow rate threshold, detecting the current air pressure in the gas detection module through the air pressure sensor; If the current air pressure is greater than the preset air pressure threshold, determining that there is external gas input at the external gas input interface as the gas input state at the external gas input interface; If the current air pressure is less than or equal to the preset air pressure threshold, the absence of external gas input to the external gas input interface is determined as the gas input state at the external gas input interface.

5. The gas switching method of an endoscope cold light source according to claim 3, characterized in that: The gas flow sensor is provided with a throttling device, and the external gas inputted from the external gas input interface flows through the throttling device. The current gas flow in the gas detection module is detected by the gas flow sensor, specifically including: Detecting the input air pressure at the input end of the throttling device and the output air pressure at the output end of the throttling device by the air flow sensor; Obtaining the inner diameter of the orifice plate provided in the throttling device; The current gas flow in the gas detection module is calculated based on the input gas pressure, the output gas pressure, the inner diameter, the gas density of the external gas, and a preset flow coefficient and expansion coefficient.

6. The gas switching method of an endoscope cold light source according to claim 5, characterized in that: The calculation formula for the current gas flow in the gas detection module is: ； Wherein, Q represents the current gas flow rate, C represents the flow coefficient, represents the expansion coefficient, d represents the inner diameter, ρ represents the gas density of the external gas, Indicates the difference between the input air pressure and the output air pressure.

7. A gas switching system for an endoscope cold light source, applied to an endoscope cold light source gas supply system, characterized in that: The endoscope cold light source gas supply system includes a control module, an air pump, a gas detection module, a first one-way valve, a second one-way valve, a three-way pipe fitting, an external gas input interface and a gas output interface; the gas detection module includes an air flow sensor and an air pressure sensor; the external gas input interface is connected to the gas detection module, the gas detection module is connected to the input end of the second one-way valve, the output end of the second one-way valve is connected to the first input end of the three-way pipe fitting, the output end of the three-way pipe fitting is connected to the gas output interface, the air pump is connected to the input end of the first one-way valve, the output end of the first one-way valve is connected to the second input end of the three-way pipe fitting, and the control module is used to control the air pump and the gas detection module; wherein, The gas switching system of the endoscope cold light source includes: a detection unit, configured to detect a gas input state at the external gas input interface through the gas detection module; an acquiring unit, configured to acquire a usage status of the gas pump if the gas input status indicates that external gas is input to the external gas input interface; The control unit is configured to shut down the air pump through the control module if the air pump is in an on state, so as to convert the air pump into an off state.

8. A computer device comprising: A memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the steps of the gas switching method for an endoscope cold light source according to any one of claims 1 to 6.

9. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the gas switching method of an endoscope cold light source according to any one of claims 1 to 6 are implemented.

10. A computer program product comprising a computer program, characterized in that When the computer program is executed by a processor, the steps of the gas switching method of an endoscope cold light source according to any one of claims 1 to 6 are implemented.

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