A multi-channel lighting method and device based on optical fiber

Abstract

The present invention is applicable to the field of photoelectric detection technology, and provides a multi-channel lighting method and device based on optical fiber. The opening and closing states of shutters connected to optical fiber channels are determined according to the number of optical fiber channels undergoing lighting tests, and the collection interval of photon collection is determined according to the opening and closing states. According to the collection interval, the channel photon value collected within a preset lighting period is obtained. According to the collection interval and the channel photon value, the actual photon value collected within the preset lighting period is obtained, thereby realizing dynamic collection of multiple channels. Moreover, through the shutter structure, the interference when different channels are illuminated at the same time is reduced, the stability of collection and the accuracy of the results are improved, and the collection cost is reduced.

Description

Technical Field

[0001] The present invention belongs to the field of photoelectric detection technology, and in particular relates to an optical fiber-based multi-channel lighting method and device. Background Art

[0002] Photomultiplier tube (PMT) is a vacuum device used to measure the energy of photons. It consists of a photoemission cathode, a focusing electrode, an electron multiplier and an electron collector. Its main working process is as follows: when light irradiates the photocathode, the photocathode excites photoelectrons into the vacuum. These photoelectrons enter the multiplication system according to the electric field of the focusing electrode and are further amplified by the secondary emission. The amplified electrons are then collected by the anode as a signal output. Due to the use of the secondary emission multiplication system, the photomultiplier tube is very effective in detecting ultraviolet light. Photomultiplier tubes are photodetectors of radiation energy in the outer, visible and near-infrared regions, with extremely high sensitivity and extremely low noise. In addition, photomultiplier tubes have the advantages of fast response, low cost, and large cathode area. Therefore, as an important product in photon technology devices, photomultiplier tubes have been widely used in photon counting, extremely weak light detection, chemiluminescence, bioluminescence research, extremely low energy ray detection, spectrophotometers, polarimeters, colorimeters, illuminometers, dust meters, turbidity meters, densitometers, thermoluminescence meters, radiation calorimeters, scanning electron microscopes, biochemical analyzers and other instruments and equipment.

[0003] In the existing lighting technology, either each collection channel is equipped with a PMT collection unit, so multiple collection channels need to be equipped with multiple PMT collection units, resulting in high costs; or multiple collection channels are equipped with a PMT collection unit, and the collection channel and the PMT collection unit need to move relative to each other, which will lead to a complex lighting structure, a fixed collection mode, and the inability to dynamically respond to the collection needs of different numbers of channels. Therefore, a new multi-channel lighting method is urgently needed to solve the above problems. Summary of the invention

[0004] The embodiment of the present invention provides a multi-channel lighting method based on optical fiber, aiming to solve the problems of poor lighting stability and high collection cost of multi-channel PMT caused by the prior art.

[0005] The embodiment of the present invention is implemented in such a way that the optical fiber-based multi-channel lighting method comprises the following steps:

[0006] Determining the opening and closing state of the shutter connected to the optical fiber channel according to the number of the optical fiber channels in the lighting test, wherein the number of the optical fiber channels is one or more;

[0007] Determining a collection interval time for photon collection according to the opening and closing state;

[0008] According to the collection interval time, the channel photon value collected within a preset lighting cycle is obtained;

[0009] According to the collection interval time and the channel photon value, the actual photon value collected in the preset lighting cycle is obtained.

[0010] Furthermore, before the step of determining the opening and closing states of shutters connected to the optical fiber channels according to the number of the optical fiber channels undergoing the lighting test, the method further comprises:

[0011] When a plurality of the optical fiber channels are performing the lighting test within a preset detection time, it is determined whether the lighting times of the plurality of optical fiber channels during the lighting test overlap.

[0012] Furthermore, the step of determining the opening and closing states of shutters connected to the optical fiber channels according to the number of the optical fiber channels undergoing the lighting test comprises:

[0013] When the number of the optical fiber channels performing the lighting test is 1 or the lighting times of the multiple optical fiber channels during the lighting test do not overlap, the opening and closing state of the shutter is determined to be normally open;

[0014] When the number of the optical fiber channels performing the lighting test is greater than 1 and the lighting times of multiple optical fiber channels overlap during the lighting test, the opening and closing interval time of the shutter is obtained according to the opening and closing interval time formula, and the opening and closing state of the shutter is determined according to the opening and closing interval time.

[0015] Furthermore, the opening and closing interval time formula is: Among them, s is the opening and closing interval time, and n is the number of the optical fiber channels whose lighting time overlaps during the lighting test.

[0016] Furthermore, the step of obtaining the actual photon value collected within the preset lighting period includes:

[0017] Using the formula The actual photon value collected within the preset lighting period is obtained, wherein Y is the actual photon value, y is the channel photon value, and s′ is the collection interval time.

[0018] The embodiment of the present invention further provides a multi-channel lighting device based on optical fiber, wherein the device comprises:

[0019] An opening and closing state determining unit, used to determine the opening and closing state of the shutter connected to the optical fiber channel according to the number of the optical fiber channels undergoing the lighting test, wherein the number of the optical fiber channels is one or more;

[0020] An interval time determination unit, used to determine a collection interval time of photon collection according to the opening and closing state;

[0021] A first photon acquisition unit, configured to acquire a channel photon value collected within a preset light collection period according to the collection interval time; and

[0022] The second photon acquisition unit is used to obtain the actual photon value collected within the preset lighting period according to the collection interval time and the channel photon value.

[0023] Furthermore, the device also includes:

[0024] The time overlap judgment unit is used to judge whether the lighting time of multiple optical fiber channels overlaps during the lighting test when multiple optical fiber channels are performing the lighting test within a preset detection time.

[0025] Furthermore, the opening and closing state determining unit includes:

[0026] A first state determination unit, configured to determine the opening and closing state of the shutter as normally open when the number of the optical fiber channels performing the lighting test is one or the lighting times of the multiple optical fiber channels during the lighting test do not overlap; and

[0027] The second state determination unit is used to obtain the opening and closing interval time of the shutter according to the opening and closing interval time formula when the number of the optical fiber channels performing the lighting test is greater than 1 and the lighting times of multiple optical fiber channels during the lighting test overlap, and determine the opening and closing state of the shutter according to the opening and closing interval time.

[0028] Furthermore, the opening and closing interval time formula is: Among them, s is the opening and closing interval time, and n is the number of the optical fiber channels whose lighting time overlaps during the lighting test.

[0029] Furthermore, the second photon obtaining unit comprises:

[0030] Photon acquisition subunit, used to utilize the formula The actual photon value collected within the preset lighting period is obtained, wherein Y is the actual photon value, y is the channel photon value, and s′ is the collection interval time.

[0031] The present invention provides a multi-channel lighting method and device based on optical fiber, which determines the opening and closing state of a shutter connected to an optical fiber channel according to the number of optical fiber channels in a lighting test, determines the collection interval of photon collection according to the opening and closing state, obtains the channel photon value collected in a preset lighting cycle according to the collection interval, and obtains the actual photon value collected in the preset lighting cycle according to the collection interval and the channel photon value. Since the present invention replaces the PMT module with an optical fiber channel and avoids interference when different optical fiber channels are lighting at the same time by adding a shutter structure, dynamic collection of multiple channels is realized, the stability of collection and the accuracy of the results are improved, and the collection cost is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 is a flowchart of the implementation of the optical fiber-based multi-channel lighting method provided in the first embodiment of the present invention;

[0033] Figure 2 is a flowchart of the implementation of the optical fiber-based multi-channel lighting method provided in the second embodiment of the present invention;

[0034] Figure 3 This is a schematic diagram of the lighting timing of the optical fiber channels in the optical fiber-based multi-channel lighting method provided in the second embodiment of the present invention;

[0035] Figure 4 is a schematic structural diagram of a multi-channel lighting device based on optical fiber provided in Embodiment 3 of the present invention; and

[0036] Figure 5 It is a schematic diagram of the structure of a multi-channel lighting device based on optical fiber provided in Embodiment 4 of the present invention. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0038] The present invention replaces the PMT module with an optical fiber and adds a shutter structure to shield the uncollected channel, thereby avoiding mutual interference of lighting between channels and dynamically adjusting the interval between the shutter and light collection according to the number of channels tested, thereby improving the stability of collection and the accuracy of the results and reducing the collection cost.

[0039] Embodiment 1

[0040] Figure 1 The implementation process of the optical fiber-based multi-channel lighting method provided in the first embodiment of the present invention is shown. For the convenience of description, only the part related to the embodiment of the present invention is shown, which is described in detail as follows:

[0041] In step S101, the opening and closing states of shutters connected to the optical fiber channels are determined according to the number of optical fiber channels in the lighting test, where the number of the optical fiber channels is one or more.

[0042] In the embodiment of the present invention, each optical fiber channel is connected to a shutter, and the shutter is used to avoid interference when different optical fiber channels are lighting at the same time. When the shutter is open, the corresponding optical fiber channel performs light collection normally, and when the shutter is closed, the corresponding optical fiber channel cannot perform light collection. The optical fiber channel undergoing the lighting test can be one or more than one. Here, the opening and closing state of the shutter connected to the optical fiber channel is determined according to the number of optical fiber channels undergoing the lighting test.

[0043] In step S102, the collection interval of photon collection is determined according to the opening and closing state.

[0044] In the embodiment of the present invention, the opening and closing state of the shutter determines the collection interval of photon collection. For example, if the shutter is always open, the collection interval of photon collection is 1 second, and if the shutter is opened once every 0.5 seconds, the collection interval of photon collection is 0.5 seconds.

[0045] In step S103, the channel photon value collected in a preset lighting period is obtained according to the collection interval time.

[0046] In the embodiment of the present invention, within the preset light collection period, the optical fiber channel collects photons according to the collection interval time to obtain the channel photon value. For example, if the collection interval time is 1 second, photons are collected once per second within the preset light collection period, and if the collection interval time is 0.5 seconds, photons are collected once per 0.5 seconds within the preset light collection period.

[0047] In step S104, the actual photon value collected in the preset lighting period is obtained according to the collection interval time and the channel photon value.

[0048] In an embodiment of the present invention, photon data collected by different optical fiber channels and at different collection times need to be converted to reach a light value of a unified time scale. Here, the actual photon value collected within a preset lighting period is obtained based on the collection interval time and the channel photon value.

[0049] When obtaining the actual photon value collected in the preset lighting period, preferably, the formula is used. The actual photon value collected within the preset lighting cycle is obtained, where Y is the actual photon value, y is the channel photon value, and s′ is the collection interval time, thereby ensuring that the light value reaches a uniform time scale.

[0050] In an embodiment of the present invention, the opening and closing state of a shutter connected to a fiber optic channel is determined according to the number of fiber optic channels undergoing a lighting test, and a collection interval for photon collection is determined according to the opening and closing state. Based on the collection interval, the channel photon value collected within a preset lighting period is obtained, and based on the collection interval and the channel photon value, the actual photon value collected within the preset lighting period is obtained, thereby achieving dynamic collection of multiple channels. Furthermore, through the shutter structure, interference during simultaneous lighting of different channels is reduced, thereby improving the stability of collection and the accuracy of the results, and reducing the collection cost.

[0051] Embodiment 2

[0052] Figure 2 The implementation process of the optical fiber-based multi-channel lighting method provided in the second embodiment of the present invention is shown. For the convenience of description, only the part related to the embodiment of the present invention is shown, which is described in detail as follows:

[0053] In step S201, it is determined whether there are multiple optical fiber channels performing lighting tests within a preset detection time.

[0054] In the embodiment of the present invention, it is determined whether multiple optical fiber channels are performing lighting tests within 30 seconds. If yes, step S202 is executed; otherwise, step S204 is executed.

[0055] In step S202, it is determined whether the lighting time of multiple optical fiber channels during the lighting test process overlaps.

[0056] In the embodiment of the present invention, it is determined whether the lighting time of multiple optical fiber channels during the lighting test process overlaps, and if so, step S203 is executed, otherwise, step S204 is executed.

[0057] In step S203, the opening and closing interval time of the shutter is obtained according to the opening and closing interval time formula, and the opening and closing state of the shutter is determined according to the opening and closing interval time.

[0058] In an embodiment of the present invention, when the lighting time of multiple optical fiber channels overlaps during the lighting test, the opening and closing interval time of the shutter is obtained according to the opening and closing interval time formula, and the opening and closing state of the shutter is determined according to the opening and closing interval time. That is, the shutter will open once according to the opening and closing interval time. For example, if the obtained opening and closing interval time is 0.5 seconds, the shutter will open once every 0.5 seconds, and will be closed for the rest of the time.

[0059] Preferably, the opening and closing interval time formula is: Among them, s is the opening and closing interval time, and n is the number of optical fiber channels whose lighting time overlaps during the lighting test, so as to dynamically adjust the interval between the shutter and light collection according to the number of optical fiber channels tested, thereby ensuring the maximum lighting performance.

[0060] As an example, Figure 3 The lighting timing diagram of 1# optical fiber channel, 2# optical fiber channel, and 3# optical fiber channel is shown. Figure 3 It can be seen that the 1# optical fiber channel starts the lighting test at 0 seconds, and after reaction incubation, it starts to light up at 570 seconds. The lighting cycle is 30 seconds, so 570 seconds to 600 seconds is the lighting period of the 1# optical fiber channel. The 2# optical fiber channel starts the lighting test 10 seconds later than the 1# optical fiber channel, so 580 seconds to 610 seconds is the lighting period of the 2# optical fiber channel. The 3# optical fiber channel starts the lighting test 15 seconds later than the 1# optical fiber channel, so 585 seconds to 615 seconds is the lighting period of the 3# optical fiber channel. During the light time period, the lighting time of 1# fiber channel and 2# fiber channel overlaps from 580 to 585 seconds, the lighting time of 1# fiber channel, 2# fiber channel, and 3# fiber channel overlaps from 585 to 600 seconds, and the lighting time of 2# fiber channel and 3# fiber channel overlaps from 600 to 610 seconds. Therefore, from 570 to 580 seconds, only 1# fiber channel is lighting, and the shutter of 1# fiber channel is always open. From 580 to 585 seconds, according to the opening and closing interval time formula, The shutter opening and closing interval is 0.5 seconds, so the shutters of 1# fiber channel and 2# fiber channel are opened once every 0.5 seconds. From 585 seconds to 600 seconds, according to the opening and closing interval formula The shutter opening and closing interval is obtained to be 0.333 seconds, then the shutters of 1# fiber channel, 2# fiber channel, and 3# fiber channel are opened once at an interval of 0.333 seconds. From 600 seconds to 610 seconds, the shutter opening and closing interval is obtained to be 0.5 seconds, then the shutters of 2# fiber channel and 3# fiber channel are opened once at an interval of 0.5 seconds. From 610 seconds to 615 seconds, only 3# fiber channel is collecting light, and the shutter of 3# fiber channel is always open.

[0061] In step S204, it is determined that the opening and closing state of the shutter connected to the optical fiber channel is normally open.

[0062] In an embodiment of the present invention, when only one optical fiber channel is performing a lighting test within 30 seconds, which is a single-channel test, and there is no interference from other channels, or when the lighting times of multiple optical fiber channels do not overlap during the lighting test, and there is no mutual interference among the optical fiber channels, the opening and closing state of the shutter connected to the optical fiber channel is determined to be normally open.

[0063] In step S205, the collection interval of photon collection is determined according to the opening and closing state.

[0064] In an embodiment of the present invention, when the opening and closing state is normally open, the collection interval of photon collection is 1 second, that is, photons are collected once per second. When the opening and closing state is opened and closed according to the opening and closing interval of the shutter, the collection interval of photon collection is consistent with the opening and closing interval of the shutter.

[0065] In step S206, the channel photon value collected within the preset lighting period is obtained according to the collection interval time.

[0066] In the embodiment of the present invention, within the preset light collection period, the optical fiber channel collects photons according to the collection interval time to obtain the channel photon value. For example, if the collection interval time is 1 second, photons are collected once per second within the preset light collection period, and 30 times for a 30-second light collection period. If the collection interval time is 0.5 seconds, photons are collected once per 0.5 seconds within the preset light collection period.

[0067] In step S207, the actual photon value collected in the preset lighting cycle is obtained according to the collection interval time and the channel photon value.

[0068] In an embodiment of the present invention, photon data collected by different optical fiber channels and at different collection times need to be converted to reach a light value of a unified time scale. Here, the actual photon value collected within a preset lighting period is obtained based on the collection interval time and the channel photon value.

[0069] When obtaining the actual photon value collected in the preset lighting period, preferably, the formula is used. The actual photon value collected within the preset lighting cycle is obtained, where Y is the actual photon value, y is the channel photon value, and s′ is the collection interval time, thereby ensuring that the light value reaches a uniform time scale.

[0070] In an embodiment of the present invention, when the lighting time of multiple optical fiber channels overlaps during the lighting test, the opening and closing interval time of the shutter is obtained according to the opening and closing interval time formula, and the opening and closing state of the shutter is determined according to the opening and closing interval time; when the number of optical fiber channels undergoing the lighting test is 1 or the lighting time of multiple optical fiber channels does not overlap during the lighting test, the opening and closing state of the shutter is determined to be normally open, and the collection interval time for photon collection is determined according to the opening and closing state; based on the collection interval time, the channel photon value collected within the preset lighting cycle is obtained; based on the collection interval time and the channel photon value, the actual photon value collected within the preset lighting cycle is obtained, thereby realizing dynamic collection of multiple channels, and through the shutter structure, the interference when different channels are illuminated at the same time is reduced, the stability of the collection and the accuracy of the results are improved, and the collection cost is reduced.

[0071] Embodiment 3

[0072] Figure 4 The structure of the optical fiber-based multi-channel lighting device provided in the third embodiment of the present invention is shown. For the convenience of description, only the parts related to the embodiment of the present invention are shown, including:

[0073] The opening and closing state determining unit 41 is used to determine the opening and closing state of the shutter connected to the optical fiber channel according to the number of the optical fiber channels in the lighting test, and the number of the optical fiber channels is one or more.

[0074] In the embodiment of the present invention, each optical fiber channel is connected to a shutter, and the shutter is used to avoid interference when different optical fiber channels are lighting at the same time. When the shutter is open, the corresponding optical fiber channel performs light collection normally, and when the shutter is closed, the corresponding optical fiber channel cannot perform light collection. The optical fiber channel undergoing the lighting test can be one or more than one. Here, the opening and closing state of the shutter connected to the optical fiber channel is determined according to the number of optical fiber channels undergoing the lighting test.

[0075] The interval time determination unit 42 is used to determine the collection interval time of photon collection according to the opening and closing state.

[0076] In the embodiment of the present invention, the opening and closing state of the shutter determines the collection interval of photon collection. For example, if the shutter is always open, the collection interval of photon collection is 1 second, and if the shutter is opened once every 0.5 seconds, the collection interval of photon collection is 0.5 seconds.

[0077] The first photon obtaining unit 43 is used to obtain the channel photon value collected within a preset light collection period according to the collection interval time.

[0078] In the embodiment of the present invention, within the preset light collection period, the optical fiber channel collects photons according to the collection interval time to obtain the channel photon value. For example, if the collection interval time is 1 second, photons are collected once per second within the preset light collection period, and if the collection interval time is 0.5 seconds, photons are collected once per 0.5 seconds within the preset light collection period.

[0079] The second photon obtaining unit 44 is used to obtain the actual photon value collected within a preset lighting cycle according to the collection interval time and the channel photon value.

[0080] In an embodiment of the present invention, photon data collected by different optical fiber channels and at different collection times need to be converted to reach a light value of a unified time scale. Here, the actual photon value collected within a preset lighting period is obtained based on the collection interval time and the channel photon value.

[0081] When obtaining the actual photon value collected in the preset lighting period, preferably, the formula is used. The actual photon value collected within the preset lighting cycle is obtained, where Y is the actual photon value, y is the channel photon value, and s′ is the collection interval time, thereby ensuring that the light value reaches a uniform time scale.

[0082] In an embodiment of the present invention, each unit of the optical fiber-based multi-channel lighting device can be implemented by a corresponding hardware or software unit. Each unit can be an independent software or hardware unit or integrated into one software or hardware unit, which is not intended to limit the present invention.

[0083] Embodiment 4

[0084] Figure 5 The structure of the optical fiber-based multi-channel lighting device provided in the fourth embodiment of the present invention is shown. For the convenience of description, only the parts related to the embodiment of the present invention are shown, including:

[0085] The time overlap judgment unit 51 is used to judge whether the lighting time of multiple optical fiber channels overlaps during the lighting test when multiple optical fiber channels are performing the lighting test within a preset detection time.

[0086] In an embodiment of the present invention, it is determined whether multiple optical fiber channels are performing lighting tests within 30 seconds. If not, the first state determination unit 521 is triggered. If so, it is determined whether the lighting time of multiple optical fiber channels during the lighting test overlaps. If not, the first state determination unit 521 is triggered. If yes, the second state determination unit 522 is triggered.

[0087] The opening and closing state determining unit 52 is used to determine the opening and closing state of the shutter connected to the optical fiber channel according to the number of the optical fiber channels in the lighting test, and the number of the optical fiber channels is one or more.

[0088] In the embodiment of the present invention, each optical fiber channel is connected to a shutter, and the shutter is used to avoid interference when different optical fiber channels are lighting at the same time. When the shutter is open, the corresponding optical fiber channel performs light collection normally, and when the shutter is closed, the corresponding optical fiber channel cannot perform light collection. The optical fiber channel undergoing the lighting test can be one or more than one. Here, the opening and closing state of the shutter connected to the optical fiber channel is determined according to the number of optical fiber channels undergoing the lighting test.

[0089] The interval time determination unit 53 is used to determine the collection interval time of photon collection according to the opening and closing state.

[0090] In the embodiment of the present invention, when the opening and closing state is normally open, the collection interval of photon collection is 1 second, that is, photons are collected once per second, and when the opening and closing state is opened and closed according to the opening and closing interval of the shutter, the collection interval of photon collection is consistent with the opening and closing interval of the shutter. For example, if the shutter is opened once every 0.5 seconds, the collection interval of photon collection is 0.5 seconds.

[0091] The first photon obtaining unit 54 is used to obtain the channel photon value collected within a preset light collection period according to the collection interval time.

[0092] In the embodiment of the present invention, within the preset light collection period, the optical fiber channel collects photons according to the collection interval time to obtain the channel photon value. For example, if the collection interval time is 1 second, photons are collected once per second within the preset light collection period, and 30 times for a 30-second light collection period. If the collection interval time is 0.5 seconds, photons are collected once per 0.5 seconds within the preset light collection period.

[0093] The second photon obtaining unit 55 is used to obtain the actual photon value collected in a preset lighting cycle according to the collection interval time and the channel photon value.

[0094] In an embodiment of the present invention, photon data collected by different optical fiber channels and at different collection times need to be converted to reach a light value of a unified time scale. Here, the actual photon value collected within a preset lighting period is obtained based on the collection interval time and the channel photon value.

[0095] When obtaining the actual photon value collected in the preset lighting period, preferably, the formula is used. The actual photon value collected within the preset lighting cycle is obtained, where Y is the actual photon value, y is the channel photon value, and s′ is the collection interval time, thereby ensuring that the light value reaches a uniform time scale.

[0096] Preferably, the opening and closing state determining unit 52 includes:

[0097] The first state determination unit 521 is used to determine the opening and closing state of the shutter as normally open when the number of optical fiber channels undergoing the lighting test is one or the lighting times of multiple optical fiber channels during the lighting test do not overlap.

[0098] In an embodiment of the present invention, when only one optical fiber channel is performing a lighting test within 30 seconds, which is a single-channel test, and there is no interference from other channels, or when the lighting times of multiple optical fiber channels do not overlap during the lighting test, and there is no mutual interference among the optical fiber channels, the opening and closing state of the shutter connected to the optical fiber channel is determined to be normally open.

[0099] The second state determination unit 522 is used to obtain the opening and closing interval time of the shutter according to the opening and closing interval time formula when the number of optical fiber channels undergoing the lighting test is greater than 1 and the lighting times of multiple optical fiber channels during the lighting test overlap, and determine the opening and closing state of the shutter according to the opening and closing interval time.

[0100] In an embodiment of the present invention, when the lighting time of multiple optical fiber channels overlaps during the lighting test, the opening and closing interval time of the shutter is obtained according to the opening and closing interval time formula, and the opening and closing state of the shutter is determined according to the opening and closing interval time. That is, the shutter will open once according to the opening and closing interval time. For example, if the obtained opening and closing interval time is 0.5 seconds, the shutter will open once every 0.5 seconds, and will be closed for the rest of the time.

[0101] Preferably, the opening and closing interval time formula is: Among them, s is the opening and closing interval time, and n is the number of optical fiber channels whose lighting time overlaps during the lighting test, so as to dynamically adjust the interval between the shutter and light collection according to the number of optical fiber channels tested, thereby ensuring the maximum lighting performance.

[0102] In an embodiment of the present invention, each unit of the optical fiber-based multi-channel lighting device can be implemented by a corresponding hardware or software unit. Each unit can be an independent software or hardware unit or integrated into one software or hardware unit, which is not intended to limit the present invention.

[0103] When the lighting times of multiple optical fiber channels overlap during the lighting test, the present invention obtains the opening and closing interval time of the shutter according to the opening and closing interval time formula, and determines the opening and closing state of the shutter according to the opening and closing interval time; when the number of optical fiber channels undergoing the lighting test is 1 or the lighting times of multiple optical fiber channels do not overlap during the lighting test, the opening and closing state of the shutter is determined to be normally open, and the collection interval time of photon collection is determined according to the opening and closing state; according to the collection interval time, the channel photon value collected within the preset lighting period is obtained; according to the collection interval time and the channel photon value, the actual photon value collected within the preset lighting period is obtained, thereby realizing dynamic collection of multiple channels, and through the shutter structure, reducing the interference when different channels are illuminated at the same time, improving the collection stability and the accuracy of the results, and reducing the collection cost.

[0104] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-channel lighting method based on optical fiber, characterized in that: The method comprises the following steps: Determine the opening and closing state of the shutter connected to the optical fiber channel according to the number of optical fiber channels in the lighting test, the number of the optical fiber channels is one or more, each optical fiber channel is connected to one shutter, when the shutter is open, the corresponding optical fiber channel performs light collection normally, when the shutter is closed, the corresponding optical fiber channel cannot perform light collection; Determining a collection interval time for photon collection according to the opening and closing state; According to the collection interval time, the channel photon value collected within a preset lighting cycle is obtained; According to the collection interval time and the channel photon value, an actual photon value collected within the preset lighting period is obtained; The step of determining the opening and closing states of shutters connected to the optical fiber channels according to the number of optical fiber channels undergoing the lighting test comprises: When the number of the optical fiber channels performing the lighting test is 1 or the lighting times of the multiple optical fiber channels during the lighting test do not overlap, the opening and closing state of the shutter is determined to be normally open; When the number of the optical fiber channels performing the lighting test is greater than 1 and the lighting time of the plurality of optical fiber channels during the lighting test overlaps, the opening and closing interval time of the shutter is obtained according to the opening and closing interval time formula, and the opening and closing state of the shutter is determined according to the opening and closing interval time; The opening and closing interval time formula is: ,in, is the opening and closing interval time, It is the number of the optical fiber channels whose lighting time overlaps during the lighting test.

2. The method according to claim 1, characterized in that Before the step of determining the opening and closing states of shutters connected to the optical fiber channels according to the number of the optical fiber channels undergoing the lighting test, the method further comprises: When a plurality of the optical fiber channels are performing the lighting test within a preset detection time, it is determined whether the lighting times of the plurality of optical fiber channels during the lighting test overlap.

3. The method according to claim 1, characterized in that The step of obtaining the actual photon value collected within the preset lighting period includes: Using the formula The actual photon value collected during the preset lighting period is obtained, wherein: is the actual photon value, is the photon value of the channel, is the collection interval time.

4. A multi-channel lighting device based on optical fiber, characterized in that: The device comprises: An opening and closing state determining unit, used to determine the opening and closing state of a shutter connected to the optical fiber channel according to the number of optical fiber channels in the lighting test, the number of the optical fiber channels is one or more, each of the optical fiber channels is connected to a shutter, when the shutter is open, the corresponding optical fiber channel performs light collection normally, when the shutter is closed, the corresponding optical fiber channel cannot perform light collection; An interval time determination unit, used to determine a collection interval time of photon collection according to the opening and closing state; A first photon acquisition unit, configured to acquire a channel photon value collected within a preset light collection period according to the collection interval time; and A second photon acquisition unit is used to obtain an actual photon value collected within the preset lighting period according to the collection interval time and the channel photon value; Wherein, the opening and closing state determining unit comprises: A first state determination unit, configured to determine the opening and closing state of the shutter as normally open when the number of the optical fiber channels performing the lighting test is one or the lighting times of the multiple optical fiber channels during the lighting test do not overlap; and A second state determination unit is used to obtain the opening and closing interval time of the shutter according to an opening and closing interval time formula when the number of the optical fiber channels performing the lighting test is greater than 1 and the lighting time of the plurality of optical fiber channels during the lighting test overlaps, and determine the opening and closing state of the shutter according to the opening and closing interval time; The opening and closing interval time formula is: ,in, is the opening and closing interval time, It is the number of the optical fiber channels whose lighting time overlaps during the lighting test.

5. The device according to claim 4, characterized in that The device also includes: The time overlap judgment unit is used to judge whether the lighting time of multiple optical fiber channels overlaps during the lighting test when multiple optical fiber channels are performing the lighting test within a preset detection time.

6. The device according to claim 4, characterized in that The second photon obtaining unit comprises: Photon acquisition subunit, used to utilize the formula The actual photon value collected during the preset lighting period is obtained, wherein: is the actual photon value, is the photon value of the channel, is the collection interval time.

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