CN112492222A - Control circuit device for night vision equipment low-light-level image intensifier - Google Patents
Control circuit device for night vision equipment low-light-level image intensifier Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/65—Control of camera operation in relation to power supply
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/71—Circuitry for evaluating the brightness variation
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Abstract
A control circuit device for a low-light image intensifier of night vision equipment comprises a battery G used as a power supply, and a first branch Z1 arranged between the battery G and a gain image intensifier V1, wherein voltage supply to the gain image intensifier V1 is realized through the battery G, and control over brightness gain through resistance regulation is realized through the first branch Z1, so that the application range of the night vision equipment is expanded.
Description
Technical Field
The invention relates to a control circuit device, in particular to a control circuit device for a low-light-level image intensifier of night vision equipment.
Background
The low-light night vision device is a device working at night or in a weak light environment, and the basic working principle is as follows: the light radiated or reflected by the night scenery target is imaged on the cathode surface of the image intensifier through the objective lens, and an intensified scenery target image is obtained on the fluorescent screen surface of the image intensifier through photoelectric conversion, electron acceleration or multiplication, and the working principle of the image intensifier serving as the core device of the low-light night vision device is as follows: the front end face is made of photosensitive material with high response to light, when it is irradiated by light it can make photoelectric conversion to produce electrons, and its middle portion is made into high-voltage electric field, the electrons can be accelerated under the action of high-voltage electric field to form reinforced target electric signal, and its rear end face is made of fluorescent material, and the accelerated electrons can be bombarded on the fluorescent material to produce visible light, and can restore the target electric signal into target optical signal, and its optical-electric-optical conversion key lies in the photosensitive material of cathode face, and the existent low-light-level image intensifier has no gain type, and can not be adapted to actual requirements, and because the difference of comprehensive performance indexes of brightness gain, sensitivity, signal-to-noise ratio and resolution can not be up to 10-3 When LX is required, the night vision device has the requirement that the target identification distance is not less than 120 meters, the image intensifier without gain adopts a micro-channel plate MCP as an electron multiplier, the gain of the MCP is improved along with the improvement of voltage, when the gain of the MCP reaches a certain value, the gain is further improved by improving the voltage of the MCP, the other performances of the image intensifier are deteriorated, the dark background is increased, the resolution is reduced, and the design index requirement cannot be met,
the main reason is that the electronic gain of the image intensifier is low, the gain of the image intensifier can not meet the use requirement under the special requirement of circuit control, the brightness gain of the image intensifier is controlled by the circuit control technology, and the application field of various low-light night vision equipment can be achieved.
The technical scheme of the invention is made based on the technical problems, technical features and technical effects in the technical background of the applicant.
Disclosure of Invention
The object of the invention is a control circuit arrangement for a low-light image intensifier for night vision installations.
In order to overcome the above technical disadvantages, it is an object of the present invention to provide a control circuit arrangement for a low-light image intensifier of a night vision device, thus extending the range of applications of the night vision device.
In order to achieve the purpose, the invention adopts the technical scheme that: comprising a battery G for power supply, a first branch Z1 arranged between the battery G and a band gain image enhancer V1.
Due to the design of the battery G and the first branch Z1, the voltage supply with the gain image intensifier V1 is realized through the battery G, and the control of the brightness gain through the resistance regulation is realized through the first branch Z1, so that the application range of the night vision equipment is expanded.
The invention provides for the battery G and the first branch Z1 to be connected to one another in such a way that the brightness gain is controlled by a resistance adjustment.
The invention designs that the first branch circuit Z1 is set to include a micro-switch potentiometer S1, a resistor T1, a capacitor C1, an inductance coil L1, a diode D2, an operation block U1, a capacitor C2, a resistor R2, a resistor R21, a resistor R6, a resistor R7, a capacitor C3, a capacitor C11, a resistor R4, a resistor R5, a thyristor T2, a resistor R22, a resistor R32 and a thyristor T3.
The invention also provides a second branch Z2, a second branch Z2 is arranged on the battery G, and a second branch Z2 is arranged to include an arithmetic block U4, a light-emitting diode D1, a resistor R11 and a push-button switch S2.
The invention designs that the LED driving circuit also comprises a third branch Z3, a second branch Z3 is arranged between the battery G and the second branch Z2, and a third branch Z3 is arranged to comprise an operation block U3, a resistor R9, a resistor R10, a capacitor C4, a capacitor C5, an operation block U2, a capacitor C51, a resistor R33, a resistor R23, a triode V31, a light emitting diode D3, a resistor R8, a resistor R30, a resistor R20, a capacitor C6 and a triode V32.
The invention designs that an operation block U1 is provided with an interface 1, an interface 3, an interface 4, an interface 5 and an interface 6, an operation block U2 is provided with an interface 1, an interface 2, an interface 3, an interface 4, an interface 5, an interface 6, an interface 7 and an interface 8, an operation block U3 is provided with an interface 1, an interface 2, an interface 3 and an interface 4, an operation block U4 is provided with an interface 1, an interface 2 and an interface 3, the positive pole of a battery G is connected with the first interface of a micro-switch potentiometer S1, the second interface of a micro-switch potentiometer S1 is connected with the interface 3 of a resistor T1, the third interface of the micro-switch potentiometer S1 is respectively connected with the interface 2 of the resistor T1, the interface 1 of the operation block U3, one of an inductance coil L1, one of a capacitor C1 and the interface 2 of the operation block U4, the positive pole of the battery G is connected with the interface 1 of the resistor T1, the interface 4 of the computing block U3 is respectively connected with one interface of the resistor R2 and one interface of the resistor R30, the other interface of the capacitor C1 is connected with the interface 3 of the computing block U1, the other interface of the inductance coil L1 is respectively connected with the interface 4 of the computing block U1 and the anode of the diode D2, the cathode of the diode D2 is respectively connected with the other interface of the resistor R2, the interface 5 of the computing block U1, the interface 6 of the computing block U1, the interface of the resistor R21, the interface of the resistor R6, the interface of the capacitor C2, the interface of the capacitor C3, the interface of the capacitor C11, the interface of the resistor R4, the interface of the resistor R22, the interface S of the thyristor T3, the interface of the push-button switch S2, the interface of the resistor R9, the interface 1 of the computing block U2, The interface 8 of the operation block U2 is connected, the interface 1 of the operation block U1 is connected with the interface 6 of the operation block U1, the interface 6 of the operation block U1 is connected with the interface 1 of the operation block U4, the other interface of the capacitor C2, one interface of the resistor R21, the other interface of the resistor R6 and one interface of the resistor R7, the other interface of the resistor R21 is connected with the interface 1 of the operation block U1, the other interface of the resistor R7 is respectively connected with the other interface of the capacitor C3, the other interface of the capacitor C11, the other interface of the resistor R5, the interface D of the gating tube T2, the other interface of the gain-equipped image intensifier V1, the cathode of the light-emitting diode D1, the other interface of the capacitor C4, the other interface of the capacitor C5, the interface 6 of the operation block U2 and the cathode of the light-emitting diode D3, the other interface of the resistor R4 is connected with one interface of the resistor R5 and the interface e of the thyristor T2, the interface S of the thyristor T2 is connected with one interface of the resistor R32, the other interface of the resistor R32 is connected with the interface e of the thyristor T3, the interface D of the thyristor T3 is connected with one interface of the image intensifier V1 with gain, the other interface of the button switch S2 is connected with one interface of the resistor R11, the other interface of the resistor R11 is connected with the anode of the LED D1, the other interfaces of the resistor R9 are respectively connected with one interface of the operation block U2 interface 2 and the resistor R10, the other interface of the resistor R10 is connected with one interface of the capacitors C4, the interface 5 of the operation block U2 is connected with one interface of the capacitors C5, the interfaces 7 of the operation block U2 are respectively connected with one interface of a resistor R33 and one interface of a capacitor C51, the other interface of the resistor R33 is respectively connected with the other interface of the capacitor C51, one interface of an interface 1e of a triode V31 and one interface of a resistor R23, an interface 2e of a triode V31 is connected with the anode of a light-emitting diode D3, an interface 3e of a triode V31 is respectively connected with the other interface of the resistor R23 and one interface of a resistor R8, the other interface of the resistor R8 is connected with an interface 2e of a triode V32, an interface 1e of the triode V32 is respectively connected with the other interface of the resistor R30 and one interface of the resistor R20, and an interface 3e of the triode V32 is respectively connected with the other interface of the resistor R20, one interface of the capacitor C6 and a power supply 3V, the other interface of the capacitor C6, the other interface of the capacitor C11, the negative electrode of the battery G, the interface 3 of the operation block U3 and the interface 3 of the operation block U4 are respectively connected with the ground.
In the present technical solution, the battery G and the first branch Z1 for controlling the brightness gain by the resistance adjustment are important technical features, and have novelty, creativity and practicability in the technical field of control circuit devices for night vision equipped low-light image intensifiers, and the terms in the present technical solution can be explained and understood by the patent documents in the technical field.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Figure 1 is a block schematic diagram of the circuit of the present invention,
FIG. 2 is a circuit diagram of the present invention.
Detailed Description
Terms such as "having," "including," and "comprising," as used with respect to the present invention, are to be understood as not specifying the presence or addition of one or more other elements or combinations thereof, in accordance with the examination guidelines.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other, and further, unless otherwise specified, the equipments and materials used in the following examples are commercially available, and if the processing conditions are not explicitly specified, please refer to the commercially available product specifications or follow the conventional method in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a first embodiment of the present invention, which is specifically described with reference to the accompanying drawings and includes a battery G, a micro-switch potentiometer S1, a resistor T1, a capacitor C1, an inductor L1, a diode D2, an arithmetic block U1, an arithmetic block U3, an arithmetic block U4, a capacitor C2, a resistor R2, a resistor R21, a resistor R6, a resistor R7, a capacitor C3, a capacitor C11, a resistor R4, a resistor R5, a thyristor T2, a resistor R22, a resistor R32, a thyristor T32, a gain enhancer V32, a light emitting diode D32, a resistor R32, a push-button switch S32, a resistor R32, a capacitor C32, an arithmetic block U32, a capacitor C32, a resistor R32, a triode V32, a light emitting diode D32, a resistor R32, a resistor V32, a resistor R,
the operation block U1 is provided with an interface 1, an interface 3, an interface 4, an interface 5 and an interface 6, the operation block U2 is provided with an interface 1, an interface 2, an interface 3, an interface 4, an interface 5, an interface 6, an interface 7 and an interface 8, the operation block U3 is provided with an interface 1, an interface 2, an interface 3 and an interface 4, the operation block U4 is provided with an interface 1, an interface 2 and an interface 3, the positive electrode of a battery G is connected with a first interface of a microswitch potentiometer S1, the second interface of the microswitch potentiometer S1 is connected with an interface 3 of a resistor T1, the third interface of the microswitch potentiometer S1 is respectively connected with an interface 2 of the resistor T1, an interface 1 of the operation block U3, one interface of an inductance coil L1, one interface of a capacitor C1 and an interface 2 of the operation block U4, the positive electrode of the battery G is connected with an interface 1 of a resistor T1, the interface 4 of the computing block U3 is respectively connected with one interface of the resistor R2 and one interface of the resistor R30, the other interface of the capacitor C1 is connected with the interface 3 of the computing block U1, the other interface of the inductance coil L1 is respectively connected with the interface 4 of the computing block U1 and the anode of the diode D2, the cathode of the diode D2 is respectively connected with the other interface of the resistor R2, the interface 5 of the computing block U1, the interface 6 of the computing block U1, the interface of the resistor R21, the interface of the resistor R6, the interface of the capacitor C2, the interface of the capacitor C3, the interface of the capacitor C11, the interface of the resistor R4, the interface of the resistor R22, the interface S of the thyristor T3, the interface of the push-button switch S2, the interface of the resistor R9, the interface 1 of the computing block U2, The interface 8 of the operation block U2 is connected, the interface 1 of the operation block U1 is connected with the interface 6 of the operation block U1, the interface 6 of the operation block U1 is connected with the interface 1 of the operation block U4, the other interface of the capacitor C2, one interface of the resistor R21, the other interface of the resistor R6 and one interface of the resistor R7, the other interface of the resistor R21 is connected with the interface 1 of the operation block U1,
the other interface of the resistor R7 is respectively connected with the other interface of the capacitor C3, the other interface of the capacitor C11, the other interface of the resistor R5, the interface D of the thyristor T2, the other interface of the image intensifier with gain V1, the cathode of the light emitting diode D1, the other interface of the capacitor C4, the other interface of the capacitor C5, the interface 6 of the arithmetic block U2 and the cathode of the light emitting diode D3, the other interface of the resistor R4 is connected with the interface of the resistor R5 and the interface e of the thyristor T2, the interface S of the thyristor T2 is connected with the interface of the resistor R32, the other interface of the resistor R32 is connected with the interface e of the thyristor T3, the interface D of the thyristor T3 is connected with the interface of the image intensifier with gain V1, the other interface of the push-button switch S2 is connected with the interface of the resistor R11, the other interface of the resistor R11 is set to be connected with the anode of the light emitting diode D1, the other interface of the resistor R9 is set to be connected with one interface of the operation block U2 interface 2 and the resistor R10, the other interface of the resistor R10 is set to be connected with one interface of the capacitor C4, the interface 5 of the operation block U2 is set to be connected with one interface of the capacitor C5, the interface 7 of the operation block U2 is set to be connected with one interface of the resistor R33 and one interface of the capacitor C51, the other interface of the resistor R33 is set to be connected with the other interface of the capacitor C51, the interface 1e of the triode V31 and one interface of the resistors 686R 8, the interface 2e of the triode V31 is set to be connected with the anode of the light emitting diode D3, and the interface 3e of the triode V31 is set to be connected with the other interface of the resistor R23, One interface of the resistor R8 is connected, the other interface of the resistor R8 is connected with the interface 2e of the triode V32, the interfaces 1e of the triode V32 are respectively connected with the other interface of the resistor R30 and one interface of the resistor R20, the interface 3e of the triode V32 is respectively connected with the other interface of the resistor R20, one interface of the capacitor C6 and the power supply 3V, and the other interface of the capacitor C6, the other interface of the capacitor C11, the negative electrode of the battery G, the interface 3 of the operation block U3 and the interface 3 of the operation block U4 are respectively connected with the ground.
In the present embodiment, the microswitch potentiometer S1, the resistor T1 and the band gain image intensifier V1 are arranged to constitute the main branch.
In the present embodiment, the operation block U4 and the operation block U2 are provided to constitute a sub branch.
In the present embodiment, the operation block U1 is provided as a booster chip PT1301, the operation block U2 is provided as a 7555 timer, the operation block U3 is provided as a voltage detection chip BL8506-27NRM, and the operation block U4 is provided as a voltage detection chip BL8506-19 NRM.
The working principle is as follows: when the microswitch potentiometer S1 is rotated, the circuit is started, and the image intensifier V1 is continuously adjusted by rotating S1 (from bright to dark), so that the gain can be adjusted according to the requirement of the product to achieve the best observation effect.
The optical sensor adopts a 3517 type photosensitive resistor R4 with one pin connected to a power supply end and the other pin connected to one end of a 50 kilohm resistor R2 to form a voltage divider, after voltage division, the voltage passes through a CMN2305 type MOS tube 3, and an output voltage switching signal controls the image intensifier V1 to work and close, so that the core component image intensifier in the low-light night vision equipment can work normally if sensing the ambient illumination through an optical sensing device and the image intensifier is in a weak illumination condition, and the image intensifier is closed if in a strong illumination condition.
The voltage value of the low-voltage detection of the battery is packaged by SOT23-3, a low-effective open drain output mode and a low-power consumption and accurate-voltage-comparison voltage detection chip BL8506-27NRM type voltage detection chip U3 detect that the battery power is insufficient when the voltage value of the battery is detected to be less than 2.7V, the output voltage value of the voltage detection chip U3 is 0, and the output voltage switching signal controls the work of a flicker type light emitting diode D2 (red% c 3) through a CMN2305 type MOS tube V2 to detect that the battery power is insufficient and give an alarm. Alarm lamp scintillation formula emitting diode D2 work is through eyepiece light transmission for operating personnel, if the alarm lamp scintillation can influence operating personnel's observation always, adopt ICM 7555 type timer U2 that has monostable trigger function to above-mentioned condition circuit, it is 30 seconds to adjust ICM 7555 timer U2 trigger time through resistance and electric capacity, make the alarm lamp scintillation 5 times every 30 seconds, guaranteed like this that shimmer night vision is equipped and handheld equipment in the use, in time discover battery power not enough, change the battery, do not influence and equip at night continuous use, and guaranteed that the rechargeable battery who uses can in time charge, the life of battery has been increased.
The present invention is further described below with reference to the following embodiments, which are intended to illustrate the present invention and not to limit the present invention further. The method comprises the following steps:
in the second embodiment of the present invention, the battery G and the first branch Z1 are connected to each other in such a manner that the control of the luminance gain is adjusted by a resistance.
In the present embodiment, the first branch Z1 is configured to include a micro-switch potentiometer S1, a resistor T1, a capacitor C1, an inductor L1, a diode D2, an operation block U1, a capacitor C2, a resistor R2, a resistor R21, a resistor R6, a resistor R7, a capacitor C3, a capacitor C11, a resistor R4, a resistor R5, a thyristor T2, a resistor R22, a resistor R32, and a thyristor T3.
In the embodiment, a second branch Z2 is further included, a second branch Z2 is disposed on the battery G, and a second branch Z2 is disposed to include an arithmetic block U4, a light emitting diode D1, a resistor R11 and a push button switch S2.
In the present embodiment, a third branch Z3 is further included, and the second branch Z3 is disposed between the battery G and the second branch Z2, and the third branch Z3 is disposed to include an operation block U3, a resistor R9, a resistor R10, a capacitor C4, a capacitor C5, an operation block U2, a capacitor C51, a resistor R33, a resistor R23, a triode V31, a light emitting diode D3, a resistor R8, a resistor R30, a resistor R20, a capacitor C6, and a triode V32.
A second embodiment of the invention is based on the first embodiment.
The invention has the following characteristics:
1. due to the design of the battery G and the first branch Z1, the voltage supply with the gain image intensifier V1 is realized through the battery G, and the control of the brightness gain through the resistance regulation is realized through the first branch Z1, so that the application range of the night vision equipment is expanded.
2. Due to the fact that the micro-switch potentiometer S1, the resistor T1, the capacitor C1, the inductance coil L1, the diode D2, the operation block U1, the capacitor C2, the resistor R2, the resistor R21, the resistor R6, the resistor R7, the capacitor C3, the capacitor C11, the resistor R4, the resistor R5, the thyristor T2, the resistor R22, the resistor R32 and the thyristor T3 are designed, resistance adjustment is achieved.
3. Due to the fact that the operation block U4, the light emitting diode D1, the resistor R11 and the button switch S2 are designed, monitoring of the battery G is achieved.
4. Due to the design of the operation block U3, the resistor R9, the resistor R10, the capacitor C4, the capacitor C5, the operation block U2, the capacitor C51, the resistor R33, the resistor R23, the triode V31, the light emitting diode D3, the resistor R8, the resistor R30, the resistor R20, the capacitor C6 and the triode V32, the control of the light emitting frequency of the light emitting diode D3 is realized.
5. Because the structural shape is limited by the numerical range, the numerical range is the technical characteristic of the technical scheme of the invention, and is not the technical characteristic obtained by formula calculation or limited tests, and tests show that the technical characteristic of the numerical range achieves good technical effect.
6. Due to the design of the technical characteristics of the invention, tests show that each performance index of the invention is at least 1.7 times of the existing performance index under the action of the single and mutual combination of the technical characteristics, and the invention has good market value through evaluation.
Still other features of the connection between the battery G and the first branch Z1, which are controlled by the resistance adjustment for brightness gain, are one of the embodiments of the present invention, and the features of the above-described embodiments may be arbitrarily combined, and in order to meet the requirements of patent laws, patent practice rules, and examination guidelines, all possible combinations of the features of the above-described embodiments will not be described.
Therefore, in the technical field of control circuit arrangements for night vision equipped scotopic image intensifiers, it is within the scope of the present invention to include a battery G for power supply, a first branch Z1 being arranged between the battery G and the image intensifier with gain V1.
Claims (5)
1. A control circuit device for a low-light-level image intensifier of night vision equipment is characterized in that: comprising a battery G for power supply, a first branch Z1 arranged between the battery G and a band gain image enhancer V1.
2. The control circuit arrangement for a low-light image intensifier for night vision equipment as set forth in claim 1, wherein: the battery G and the first branch Z1 are connected to each other in such a manner that the brightness gain is controlled by resistance adjustment.
3. The control circuit arrangement for a low-light image intensifier for night vision equipment as set forth in claim 1, wherein: the first branch Z1 is configured to include a micro-switch potentiometer S1, a resistor T1, a capacitor C1, an inductor L1, a diode D2, an arithmetic block U1, a capacitor C2, a resistor R2, a resistor R21, a capacitor C21, a resistor R21, a thyristor T21, a resistor R21 and a thyristor T21, the second branch Z21 is further included and disposed on the battery G, the second branch Z21 is configured to include an arithmetic block U21, a light emitting diode D21, a resistor R21 and a push-button switch S21, the third branch Z21 is further included and the second branch Z21 is disposed between the battery G and the second branch Z21, the third branch Z21 is configured to include an arithmetic block U21, a resistor R21, a resistor C21, a resistor R21, a capacitor R21, a resistor, A capacitor C6 and a triode V32.
4. The control circuit arrangement for a low-light image intensifier for night vision equipment as set forth in claim 3, wherein: the operation block U1 is provided with an interface 1, an interface 3, an interface 4, an interface 5 and an interface 6, the operation block U2 is provided with an interface 1, an interface 2, an interface 3, an interface 4, an interface 5, an interface 6, an interface 7 and an interface 8, the operation block U3 is provided with an interface 1, an interface 2, an interface 3 and an interface 4, the operation block U4 is provided with an interface 1, an interface 2 and an interface 3,
the positive pole of the battery G is connected with a first interface of the microswitch potentiometer S1, the second interface of the microswitch potentiometer S1 is connected with an interface 3 of the resistor T1, the third interface of the microswitch potentiometer S1 is respectively connected with an interface 2 of the resistor T1, an interface 1 of the operation block U3, one interface of the inductance coil L1, one interface of the capacitance C1 and an interface 2 of the operation block U4, the positive pole of the battery G is connected with an interface 1 of the resistor T1, an interface 4 of the operation block U3 is respectively connected with one interface of the resistor R2 and one interface of the resistor R30, the other interface of the capacitance C1 is connected with an interface 3 of the operation block U1, the other interface of the inductance coil L1 is respectively connected with an interface 4 of the operation block U1 and the positive pole of the diode D2, and the negative pole of the diode D2 is respectively connected with an interface 3 of the other interface of the resistor R2, Interface 5 of the operation block U1, interface 6 of the operation block U1, one interface of a resistor R21, one interface of a resistor R6, one interface of a capacitor C2, one interface of a capacitor C3, one interface of a capacitor C11, one interface of a resistor R4, one interface of a resistor R22, interface S of a thyristor T3, one interface of a push-button switch S2, one interface of a resistor R9, interface 1 of the operation block U2, interface 8 of the operation block U2, interface 1 of the operation block U1 is arranged to be connected with interface 6 of the operation block U1, interface 6 of the operation block U1 is arranged to be connected with interface 1 of the operation block U4, another interface of a capacitor C2, one interface of a resistor R21, another interface of a resistor R6, one interface of a resistor R7, and another interface of a resistor R21 is arranged to be connected with interface 1 of the operation block U1, the other interface of the resistor R7 is respectively connected with the other interface of the capacitor C3, the other interface of the capacitor C11, the other interface of the resistor R5, the interface D of the thyristor T2, the other interface of the image intensifier with gain V1, the cathode of the light emitting diode D1, the other interface of the capacitor C4, the other interface of the capacitor C5, the interface 6 of the arithmetic block U2 and the cathode of the light emitting diode D3, the other interface of the resistor R4 is connected with the interface of the resistor R5 and the interface e of the thyristor T2, the interface S of the thyristor T2 is connected with the interface of the resistor R32, the other interface of the resistor R32 is connected with the interface e of the thyristor T3, the interface D of the thyristor T3 is connected with the interface of the image intensifier with gain V1, the other interface of the push-button switch S2 is connected with the interface of the resistor R11, the other interface of the resistor R11 is set to be connected with the anode of the light emitting diode D1, the other interface of the resistor R9 is set to be connected with one interface of the operation block U2 interface 2 and the resistor R10, the other interface of the resistor R10 is set to be connected with one interface of the capacitor C4, the interface 5 of the operation block U2 is set to be connected with one interface of the capacitor C5, the interface 7 of the operation block U2 is set to be connected with one interface of the resistor R33 and one interface of the capacitor C51, the other interface of the resistor R33 is set to be connected with the other interface of the capacitor C51, the interface 1e of the triode V31 and one interface of the resistors 686R 8, the interface 2e of the triode V31 is set to be connected with the anode of the light emitting diode D3, and the interface 3e of the triode V1 is set to be connected with the other interface of the resistor R23, One interface of the resistor R8 is connected, the other interface of the resistor R8 is connected with the interface 2e of the triode V32, the interfaces 1e of the triode V32 are respectively connected with the other interface of the resistor R2 and one interface of the resistor R2, the interface 3e of the triode V32 is respectively connected with the other interface of the resistor R20, one interface of the capacitor C6 and the power supply 3V, and the other interface of the capacitor C6, the other interface of the capacitor C11, the negative electrode of the battery G, the interface 3 of the operation block U3 and the interface 3 of the operation block U4 are respectively connected with the ground.
5. The control circuit arrangement for a night vision equipped scotopic image intensifier as claimed in any one of claims 1 to 9, characterized in that: the electronic gain of the image intensifier is low, the gain of the image intensifier can meet the use requirement when special needs are not achieved through circuit control, the brightness gain of the image intensifier is controlled through a circuit control technology, and the application field of various low-light night vision equipment can be achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011520837.0A CN112492222A (en) | 2020-12-21 | 2020-12-21 | Control circuit device for night vision equipment low-light-level image intensifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011520837.0A CN112492222A (en) | 2020-12-21 | 2020-12-21 | Control circuit device for night vision equipment low-light-level image intensifier |
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| CN112492222A true CN112492222A (en) | 2021-03-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114815217A (en) * | 2022-05-06 | 2022-07-29 | 山东北方光学电子有限公司 | Synchronous imaging control circuit for dim light and display device of multifunctional helmet glasses and using method |
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2020
- 2020-12-21 CN CN202011520837.0A patent/CN112492222A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114815217A (en) * | 2022-05-06 | 2022-07-29 | 山东北方光学电子有限公司 | Synchronous imaging control circuit for dim light and display device of multifunctional helmet glasses and using method |
| CN114815217B (en) * | 2022-05-06 | 2024-06-11 | 山东北方光学电子有限公司 | Synchronous imaging control circuit for glimmer and display device of multifunctional helmet glasses and using method |
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Application publication date: 20210312 |