Capsule endoscope convenient for switch control

Abstract

The utility model discloses a capsule endoscope convenient for on-off control, which comprises a capsule shell, and a battery, a circuit board, a chip, an antenna, a lens module and an LED (light-emitting diode) are arranged in the capsule shell; the device further comprises an infrared photoresistor, an infrared laser light source, an ultraviolet photoresistor and an ultraviolet laser light source. The LED, the infrared photoresistor and the ultraviolet photoresistor are all installed on the lens module, and the infrared photoresistor and the ultraviolet photoresistor are connected with the chip and controlled by the chip. The infrared laser light source and the ultraviolet laser light source are positioned outside the capsule shell; the infrared laser light source is matched with an infrared photoresistor; and the ultraviolet laser light source is matched with the ultraviolet photoresistor. On and off of the capsule endoscope are achieved through irradiation of the infrared laser light source and the ultraviolet laser light source, the capsule endoscope can be matched with a single-lens capsule endoscope and a double-lens capsule endoscope, contact between the capsule endoscope and the outside is reduced under the condition that the size and the shell integrity of the capsule endoscope are not changed, and regular inspection tour and electric quantity checking of the capsule endoscope are facilitated.

Description

Technical Field

[0001] The utility model relates to a capsule endoscope convenient for switch control, which relates to the switch of the capsule endoscope for regular detection in the external environment, and belongs to the technical field of capsule endoscopes convenient for detection. Background Technique

[0002] The capsule endoscope is a good means for doctors to initially explore gastrointestinal diseases. While reducing the pain of patients, it can greatly improve the diagnostic accuracy and efficiency of digestive tract diseases, and reduce medical costs and risks.

[0003] With the increasing demand and production of capsule endoscopes, a certain amount of inventory will be generated for emergencies. During the shelf life, it is necessary to regularly sample and inspect the remaining battery power to ensure the normal startup and sufficient running time of the capsule endoscope. However, most capsule endoscopes on the market only have the function of sending signals and do not have the function of receiving signals, so only the startup design is considered and the shutdown circuit is not designed. Moreover, the capsule endoscope exists independently in a closed state and cannot make contact connection with the outside world, resulting in the capsule endoscope being discarded after consuming all the power once it is started. It can only be randomly sampled and inspected in small batches and then discarded, causing a large amount of waste. At the same time, during use, the quality and battery life of the product are actually in a black box state, and it is impossible to accurately confirm whether it can operate effectively.

[0004] There are some existing reports that solve the above problems through a magnetic control switch. For example, the patent with the publication number CN 212234379 U discloses a capsule endoscope and a control system for a capsule endoscope. The capsule endoscope includes a capsule provided with an endoscope, a magnet is arranged on the capsule packaging box, a logic circuit and a battery are arranged inside the capsule, a TMR magnetoresistive sensor for sensing the magnetic field intensity of the magnet is arranged on the logic circuit, and a trigger switch for triggering the battery to supply power to the capsule when the TMR magnetoresistive sensor senses that the magnetic field intensity of the magnet is less than a preset threshold. Since the TMR magnetoresistive sensor can detect the position change of the magnet on the capsule packaging box through the tunneling magnetoresistance effect, the performance loss of the TMR magnetoresistive sensor during use is avoided. Although this method can solve the switch problem of the capsule endoscope during detection, the magnet of the magnetic control switch is arranged on the packaging box, and the capsule needs to be manually taken out and moved away from and close to the magnet to complete the control work of turning on and off. In this process, it is easy to cause microbial contamination to the capsule endoscope and increase the probability of medical accidents. Content of the Utility Model

[0005] The utility model provides a capsule endoscope convenient for switch control, which can be matched with a single-lens capsule endoscope and a double-lens capsule endoscope. Without changing the volume and shell integrity of the capsule endoscope, it reduces the contact between the capsule endoscope and the outside world, and facilitates the regular inspection and power viewing of the capsule endoscope.

[0006] To solve the above technical problems, the technical solutions adopted by the present utility model are as follows:

[0007] A capsule endoscope facilitating switch control includes a capsule shell, in which a battery, a circuit board, a chip, an antenna, a lens module and an LED are provided; the chip is installed on the circuit board and powered by the battery; the antenna, the lens module and the LED are all connected to the chip and controlled by the chip; it further includes an infrared photosensitive resistor, an infrared laser light source, a ultraviolet photosensitive resistor and a ultraviolet laser light source; the LED, the infrared photosensitive resistor and the ultraviolet photosensitive resistor are all installed on the lens module, and the infrared photosensitive resistor and the ultraviolet photosensitive resistor are connected to the chip and controlled by the chip; the infrared laser light source and the ultraviolet laser light source are located outside the capsule shell; the infrared laser light source and the infrared photosensitive resistor are mutually matched, and the infrared laser light source irradiates the infrared photosensitive resistor to turn on the circuit; the ultraviolet laser light source and the ultraviolet photosensitive resistor are mutually matched, and the ultraviolet laser light source irradiates the ultraviolet photosensitive resistor to turn off the circuit.

[0008] This application uses two photosensitive resistors with different band responses as the control switches of the circuit. The infrared laser light source irradiates the infrared photosensitive resistor to turn on the circuit; the ultraviolet laser light source irradiates the ultraviolet photosensitive resistor to turn off the circuit.

[0009] After the circuit is turned on, the infrared laser light source is removed, and the capsule endoscope is in the working state; after the circuit is turned off, the ultraviolet laser light source is removed, and the capsule endoscope stops working.

[0010] The above chip integrates an image sensing module and a radio frequency module that are electrically connected to each other, facilitating the transmission of the image captured by the lens module to the capsule receiver through the antenna. This is the prior art and will not be elaborated in this application.

[0011] The lens module is located at the end inside the capsule shell, and the capsule shell at the end where the lens module is located is a transparent spherical cover.

[0012] For the convenience of installation and use, and without affecting other components of the capsule endoscope, the infrared photosensitive resistor and the ultraviolet photosensitive resistor are respectively located on the same ring plane as the LED.

[0013] To avoid the mutual influence between the photosensitive resistor and the LED, the infrared photosensitive resistor and the ultraviolet photosensitive resistor are spaced at least 4 mm in radian from the LED.

[0014] To expand the field of view and improve the accuracy of inspection, as a specific implementation solution, two oppositely arranged lens modules are provided inside the capsule shell. The two lens modules are respectively located at both ends inside the capsule shell, and both ends of the capsule shell are of a transparent spherical cover structure. A corresponding LED is provided on each lens module, and the infrared photosensitive resistor and the ultraviolet photosensitive resistor are respectively installed on the two lens modules. This can better avoid the mutual influence between components.

[0015] Further preferably, the infrared photosensitive resistor and the ultraviolet photosensitive resistor are respectively disposed opposite to the LED on the corresponding side.

[0016] In order to facilitate the quick and accurate identification of which side controls the switch of the dual-lens capsule endoscope, an opening marking layer is provided on the outer side of the capsule shell at the end where the infrared photosensitive resistor is located; a closing marking layer is provided on the outer side of the capsule shell at the end where the ultraviolet photosensitive resistor is located.

[0017] As another specific implementation solution, a lens module is provided inside the capsule shell. The lens module is located at one end inside the capsule shell, and the capsule shell at the end where the lens module is located has a transparent spherical cover structure. The infrared photosensitive resistor, the ultraviolet photosensitive resistor, and the LED are evenly distributed on the same annular plane of the lens module.

[0018] In order to facilitate the quick and accurate identification of which side controls the switch of the capsule endoscope, an opening marking layer is provided on the outer side of the capsule shell opposite to the infrared photosensitive resistor; a closing marking layer is provided on the outer side of the capsule shell opposite to the ultraviolet photosensitive resistor.

[0019] The housing of the above-mentioned infrared photosensitive resistor is made of zinc sulfide; the housing of the ultraviolet photosensitive resistor is made of calcium fluoride.

[0020] The above-mentioned infrared photosensitive resistor is a near-infrared photosensitive resistor with a response range of wavelengths from 950 nm to 2300 nm; the infrared laser light source is a near-infrared laser light source with a wavelength of 1550 nm.

[0021] The response range of the above-mentioned ultraviolet photosensitive resistor is wavelengths from 180 nm to 370 nm; the wavelength of the ultraviolet laser light source is 266 nm.

[0022] The specific control of the infrared and ultraviolet photosensitive resistors can be achieved with reference to the prior art or product instructions.

[0023] As one of the implementation solutions: The infrared photosensitive resistor is connected in parallel to the control chip circuit. When there is no infrared light source, the photosensitive resistor is open circuit, and the control chip reads a low level, and the capsule cannot be opened. When the near-infrared light source irradiates the infrared photosensitive resistor inside the transparent spherical cover, the resistance value of the infrared photosensitive resistor decreases to generate a high-level signal, and the control chip reads the high-level signal, and the capsule turns on other circuits such as the LED. The ultraviolet photosensitive resistor is connected in series to the control chip and grounded. In the state where the capsule is opened, when the ultraviolet light source irradiates the ultraviolet photosensitive resistor inside the transparent spherical cover, the resistance value of the ultraviolet resistor decreases, and the control chip is grounded to close the capsule.

[0024] As another implementation solution: in an infrared photosensitive resistor parallel control chip circuit, when there is no infrared light source, the photosensitive resistor is open-circuited, and the control chip reads a low level, so the capsule cannot be opened. When a near-infrared light source irradiates the infrared photosensitive resistor inside the transparent dome, the resistance value of the infrared photosensitive resistor decreases, generating a high-level signal. The control chip reads the high-level signal, and the capsule turns on other circuits such as the LED. The ultraviolet photosensitive resistor is connected in parallel with the infrared photosensitive resistor and the control chip in parallel. In the state where the capsule is turned on, when the ultraviolet light source irradiates the ultraviolet photosensitive resistor inside the transparent dome, the resistance value of the ultraviolet resistor decreases, and the control chip reads the low-resistance high-level signal of the ultraviolet resistor to shut down the capsule.

[0025] When the circuit is turned on, the capsule endoscope is in the working state (each component such as the lens module and the LED is in the running state); when the circuit is turned off, the capsule endoscope is in the off state (each component such as the lens module and the LED stops running).

[0026] For the technologies not mentioned in the present utility model, the prior art shall be referred to.

[0027] The capsule endoscope of the present utility model that is convenient for switch control is applicable to both single-lens and double-lens. By irradiating with infrared and ultraviolet laser light sources, the opening and closing of the capsule endoscope are realized, which facilitates the detection of the capsule endoscope, and also avoids the abandonment and waste caused by detection. Moreover, when switching, there are no requirements for the distance between the capsule endoscope and the packaging box, and the detection can even be completed inside the packaging box. Without changing the volume and the integrity of the outer shell of the capsule endoscope, the contact between the capsule endoscope and the outside world is reduced, and the pollution of the capsule endoscope is reduced or avoided, which facilitates the regular inspection and power viewing of the capsule endoscope. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic structural diagram of the capsule endoscope convenient for switch control in Embodiment 1 of the present utility model;

[0029] Figure 2 It is a schematic distribution diagram of the infrared photosensitive resistor, the ultraviolet photosensitive resistor and the LED in Embodiment 1 of the present utility model;

[0030] Figure 3 It is a schematic structural diagram of the capsule endoscope convenient for switch control in Embodiment 2 of the present utility model;

[0031] Figure 4 It is a circuit diagram of the infrared photosensitive resistor of the present utility model;

[0032] Figure 5 It is a circuit diagram of the ultraviolet photosensitive resistor of the present utility model;

[0033] In the figure, 1 is the capsule shell, 2 is the infrared photosensitive resistor, 3 is the ultraviolet photosensitive resistor, 4 is the LED, 5 is the lens module, 6 is the chip, 7 is the circuit board, 8 is the antenna, and 9 is the battery. PD1 is the infrared photosensitive resistor, R1 / R2 / R3 / R4 are resistors, Q1 / Q2 are triodes, BAT IN represents the chip input, BAT represents the power supply, BAT EN, BAT EN MCU are used to activate the chip, and GND is the ground. PD2 is the ultraviolet photosensitive resistor, R52 is the resistor, BO BAT IN represents the chip input interface, and DIO represents the digital signal port. Specific embodiments

[0034] To better understand the present invention, the content of the present invention will be further clarified below in conjunction with embodiments, but the content of the present invention is not limited to the following embodiments.

[0035] The terms such as up and down, left and right, horizontal, and vertical in this application are all relative orientation or positional relationships and should not be construed as absolute limitations on this application.

[0036] Embodiment 1

[0037] As Figure 1 shown, a capsule endoscope facilitating switch control includes a capsule shell, and a battery, a circuit board, a chip, an antenna, a lens module, and an LED are arranged inside the capsule shell; the chip is installed on the circuit board and powered by the battery; the antenna, the lens module, and the LED are all connected to the chip and controlled by the chip; it further includes an infrared photosensitive resistor, an infrared laser light source, an ultraviolet photosensitive resistor, and an ultraviolet laser light source; the LED, the infrared photosensitive resistor, and the ultraviolet photosensitive resistor are all installed on the lens module, and the infrared photosensitive resistor and the ultraviolet photosensitive resistor are connected to the chip and controlled by the chip; the infrared laser light source and the ultraviolet laser light source are located outside the capsule shell; the infrared laser light source and the infrared photosensitive resistor match each other, and when the infrared laser light source irradiates the infrared photosensitive resistor, the circuit is turned on; the ultraviolet laser light source and the ultraviolet photosensitive resistor match each other, and when the ultraviolet laser light source irradiates the ultraviolet photosensitive resistor, the circuit is turned off. In this example, there is one lens module inside the capsule shell, and the lens module is located at one end inside the capsule shell. The capsule shell at the end where the lens module is located is of a transparent spherical cover structure. The infrared photosensitive resistor, the ultraviolet photosensitive resistor, and the LED are evenly distributed on the same ring plane of the lens module. As Figure 2 shown, in this example, there are two LEDs, the two LEDs are arranged oppositely, the infrared photosensitive resistor and the ultraviolet photosensitive resistor are arranged oppositely, Figure 1 only the infrared photosensitive resistor and the ultraviolet photosensitive resistor can be seen in Figure 1In the vertical direction, the infrared photosensitive resistor and the ultraviolet photosensitive resistor are spaced more than 5 mm in radian from the LED. An opening marking layer is provided on the outer side of the capsule shell opposite to the infrared photosensitive resistor; a closing marking layer is provided on the outer side of the capsule shell opposite to the ultraviolet photosensitive resistor. This allows for quick identification of which is the infrared photosensitive resistor and which is the ultraviolet photosensitive resistor.

[0038] Example 2

[0039] As Figure 3 shown, a capsule endoscope facilitating switch control includes a capsule shell, within which there are a battery, a circuit board, a chip, an antenna, a lens module, and an LED; the chip is mounted on the circuit board and powered by the battery; the antenna, the lens module, and the LED are all connected to the chip and controlled by the chip; it further includes an infrared photosensitive resistor, an infrared laser light source, an ultraviolet photosensitive resistor, and an ultraviolet laser light source; the LED, the infrared photosensitive resistor, and the ultraviolet photosensitive resistor are all mounted on the lens module, the infrared photosensitive resistor and the ultraviolet photosensitive resistor are connected to the chip and controlled by the chip; the infrared laser light source and the ultraviolet laser light source are located outside the capsule shell; the infrared laser light source and the infrared photosensitive resistor are mutually matched, and when the infrared laser light source irradiates the infrared photosensitive resistor, the circuit is turned on; the ultraviolet laser light source and the ultraviolet photosensitive resistor are mutually matched, and when the ultraviolet laser light source irradiates the ultraviolet photosensitive resistor, the circuit is turned off. In this example, there are two oppositely arranged lens modules within the capsule shell, the two lens modules are respectively located at both ends within the capsule shell, both ends of the capsule shell are of a transparent spherical cover structure, and a corresponding LED is provided on each lens module; the infrared photosensitive resistor and the ultraviolet photosensitive resistor are respectively mounted on the two lens modules; the infrared photosensitive resistor and the ultraviolet photosensitive resistor are respectively arranged opposite to the LED on their respective sides, and the infrared photosensitive resistor and the ultraviolet photosensitive resistor are spaced more than 5 mm in radian from the LED. An opening marking layer is provided on the outer side of the capsule shell at the end where the infrared photosensitive resistor is located; a closing marking layer is provided on the outer side of the capsule shell at the end where the ultraviolet photosensitive resistor is located. This allows for quick identification of on which side the infrared photosensitive resistor and the ultraviolet photosensitive resistor are respectively located.

[0040] Example 3

[0041] Based on Example 1 or 2, the following further improvements are made: The material used for the housing of the infrared photosensitive resistor is zinc sulfide; the material used for the housing of the ultraviolet photosensitive resistor is calcium fluoride. The infrared photosensitive resistor is a near-infrared photosensitive resistor with a response range of wavelengths from 950 nm to 2300 nm (model: CXDSMD3528H); the infrared laser light source is a near-infrared laser light source with a wavelength of 1550 nm (model: TXH6598050D-AL01A). The response range of the ultraviolet photosensitive resistor (model: LXD11MQ180-370NM) is wavelengths from 180 nm to 370 nm; the wavelength of the ultraviolet laser light source (model: HB538060D-AL01A) is 266 nm.

[0042] The circuit diagrams of the infrared photosensitive resistor and the ultraviolet photosensitive resistor are as follows Figure 4 and Figure 5 shown

[0043] As Figure 4-5 shown, the infrared photosensitive resistor PD1 is in parallel with the chip circuit. When there is no infrared light source, the infrared photosensitive resistor PD1 is open circuit. The power supply BAT passes through the triode Q1 to the chip input BAT IN, and the control chip reads a low level, so the capsule cannot be opened. When the near-infrared light source irradiates the infrared photosensitive resistor, the resistance value of the infrared photosensitive resistor decreases and a high-level signal is generated. The power supply BAT passes through the triode Q1 and the infrared photosensitive resistor PD1 to BAT EN, and the control chip reads a high-level signal, and the circuit is turned on, and the lens module and the LED start to work. The ultraviolet photosensitive resistor PD2 (Shenzhen Longxinda / LXD11MQ180-370NM) is connected in series with the control chip and grounded. When the capsule is in the open state, the reading value of BO BAT IN is 0. When the ultraviolet light source irradiates the ultraviolet photosensitive resistor, the resistance value of the ultraviolet photosensitive resistor PD2 decreases, and DIO is connected to BO BAT IN to close the capsule, and all components stop working. Or, the ultraviolet photosensitive resistor PD2 (Shenzhen Longxinda / LXD11MQ180-370NM) is connected in series with the control chip and grounded. When the capsule is in the open state, the reading value of BO BAT IN is 0. When the ultraviolet light source irradiates the ultraviolet photosensitive resistor, the resistance value of the PD2 ultraviolet resistor decreases, and BO BAT IN is grounded, and the input is 0 to close the capsule.

[0044] The capsule endoscope for convenient switch control in the above examples is applicable to single-lens and double-lens. By using infrared and ultraviolet laser light sources for irradiation, the opening and closing of the capsule endoscope are realized, which facilitates the detection of the capsule endoscope, and also avoids the abandonment and waste caused by detection. Moreover, when switching, there are no requirements for the distance between the capsule endoscope and the packaging box, and the detection can even be completed inside the packaging box. Without changing the volume and the integrity of the outer shell of the capsule endoscope, the contact between the capsule endoscope and the outside world is reduced, and the pollution of the capsule endoscope is reduced or avoided, which facilitates the regular inspection and power viewing of the capsule endoscope.

Claims

1. A capsule endoscope that is easy to switch on and off, comprising a capsule shell (1), wherein a battery (9), a circuit board (7), a chip (6), an antenna (8), a lens module (5) and an LED (4) are arranged in the capsule shell (1); the chip (6) is mounted on the circuit board (7) and powered by the battery (9); the antenna (8), the lens module (5) and the LED (4) are all connected to the chip (6) and controlled by the chip (6); the characteristics are: The capsule also comprises an infrared photoresistor (2), an infrared laser light source, an ultraviolet photoresistor (3) and an ultraviolet laser light source; the LED (4), the infrared photoresistor (2) and the ultraviolet photoresistor (3) are all mounted on a lens module (5); the infrared photoresistor (2) and the ultraviolet photoresistor (3) are connected to a chip (6) and controlled by the chip (6); the infrared laser light source and the ultraviolet laser light source are located outside the capsule shell (1); the infrared laser light source matches the infrared photoresistor (2), and the infrared laser light source irradiates the infrared photoresistor (2) to turn on the circuit; the ultraviolet laser light source matches the ultraviolet photoresistor (3), and the ultraviolet laser light source irradiates the ultraviolet photoresistor (3) to turn off the circuit.

2. The capsule endoscope convenient for switch control as claimed in claim 1, characterized in that: The infrared photoresistor (2) and the ultraviolet photoresistor (3) are respectively located on the same ring plane as the LED (4).

3. The capsule endoscope with convenient switch control as claimed in claim 2, characterized in that: The infrared photoresistor (2) and the ultraviolet photoresistor (3) are spaced at least 4 mm in arc from the LED (4).

4. The capsule endoscope that is easy to switch according to any one of claims 1 to 3, characterized in that: Two lens modules (5) are arranged opposite to each other in a capsule shell (1). The two lens modules (5) are located at two ends of the capsule shell (1) respectively. Both ends of the capsule shell (1) are transparent spherical cover structures. Each lens module (5) is provided with a corresponding LED (4). An infrared photoresistor (2) and an ultraviolet photoresistor (3) are respectively mounted on the two lens modules (5).

5. The capsule endoscope convenient for switch control as claimed in claim 4, characterized in that: The infrared photoresistor (2) and the ultraviolet photoresistor (3) are respectively arranged opposite to the LED (4) on the same side.

6. The capsule endoscope convenient for switch control as claimed in claim 4, characterized in that: An opening marking layer is provided on the outer side of the capsule shell (1) at the end where the infrared photoresistor (2) is located; and a closing marking layer is provided on the outer side of the capsule shell (1) at the end where the ultraviolet photoresistor (3) is located.

7. The capsule endoscope that is easy to switch according to any one of claims 1 to 3, characterized in that: A lens module (5) is provided in the capsule shell (1). The lens module (5) is located at one end of the capsule shell (1). The capsule shell (1) at the end where the lens module (5) is located is a transparent spherical cover structure. The infrared photoresistor (2), the ultraviolet photoresistor (3) and the LED (4) are evenly distributed on the same annular plane of the lens module (5).

8. The capsule endoscope convenient for switch control as claimed in claim 7, characterized in that: An opening marking layer is provided on the outer side of the capsule shell (1) opposite to the infrared photoresistor (2); and a closing marking layer is provided on the outer side of the capsule shell (1) opposite to the ultraviolet photoresistor (3).

9. The capsule endoscope with convenient switch control according to any one of claims 1 to 3, characterized in that: The material used for the shell of the infrared photoresistor (2) is zinc sulfide; the material used for the shell of the ultraviolet photoresistor (3) is calcium fluoride.

10. The capsule endoscope that is easy to switch on and off according to any one of claims 1 to 3, characterized in that: The infrared photoresistor (2) is a near-infrared photoresistor (2) with a response range of 950nm-2300nm wavelength; the infrared laser light source is a near-infrared laser light source with a wavelength of 1550nm; the response range of the ultraviolet photoresistor (3) is 180nm-370nm wavelength; and the wavelength of the ultraviolet laser light source is 266nm.

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