CN210350822U

CN210350822U - Novel five-size battery voltage-stabilized power supply of binocular night vision device

Info

Publication number: CN210350822U
Application number: CN201921160477.0U
Authority: CN
Inventors: 张晟; 靳进
Original assignee: Jiangsu Wanying Aerospace Photoelectric Technology Co Ltd
Current assignee: Jiangsu Wanying Aerospace Photoelectric Technology Co Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-04-17
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a novel No. five battery voltage-stabilized power supply of binocular night-time vision device, concretely relates to battery voltage-stabilized power field, including integrated circuit IC1 and integrated circuit IC2, integrated circuit IC1 link is connected with integrated circuit IC2 link, still including inductance L2, resistor R3, resistor R6, resistor R7, resistor R2, electric capacity C3, triode V1, inductance L1, electric capacity C2, resistor R4. The utility model discloses a set up two-stage voltage stabilizing circuit, solved and packed into different kinds of five batteries because of the battery case, traditional voltage stabilizing plate probably appears output voltage too high and makes the problem of some key component excessive pressure damage, with the safe working range of battery, by original voltage 2.5V to 4.0V, improve input voltage 2.5V to 8.5V, can be when the misloading lithium cell, the night-time vision device also can normally work, guaranteed that like the key component of enhancer class can not damage.

Description

Novel five-size battery voltage-stabilized power supply of binocular night vision device

Technical Field

The utility model relates to a battery constant voltage power supply technical field, more specifically say, the utility model relates to a novel five batteries constant voltage power supply of two mesh night-time vision device.

Background

The night vision device is also called a low-light night vision device, also called an infrared night vision device, because the existing night vision device is provided with an infrared transmitter, the night vision device can be used under the conditions of low light and full black, under the condition of full black, the night vision device can view a distant target only by means of a light source of the infrared transmitter and matching with an image intensifier tube, under the condition of low light, the target can be observed only by means of brightness enhancement of the image intensifier tube, the binocular night vision device is a branch of the night vision device, the ordinary night vision device is a monocular, the observation habit of night vision human eyes is not met, the binocular, and the binocular design is unique, so that the binocular night vision device has a wider visual field compared with a monocular night vision device, and is simpler and more comfortable to use.

The binocular night vision device power supply is powered by two 1.5V five-alkaline batteries, a five-lithium battery appears in the market in recent years, the output voltage of a single section is 3.2V and 3.7V, the lithium ion batteries are widely adopted in the monocular night vision power supply, the alkaline batteries and the lithium batteries are identical in appearance and different in voltage, the lithium batteries cannot be used in the original stabilized voltage power supply (first-level output), otherwise the output voltage is higher, and key elements such as an image intensifier can be damaged.

Disclosure of Invention

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a novel No. five battery voltage-stabilizing power supply of binocular night-time vision device, through setting up two-stage voltage stabilizing circuit, the problem of different kinds of No. five batteries packed into because of the battery case has been solved, output voltage is too high and makes some key component excessive pressure damage probably appears in traditional voltage stabilizing plate, with the safe working range of battery, by original voltage 2.5V to 4.0V, improve input voltage 2.5V to 8.5V, can be when the misloading lithium cell, night-time vision device also can normally work, it can not damage to have guaranteed like a class of key component of intensifier, in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel five-battery regulated power supply of a binocular night vision device comprises an integrated circuit IC1 and an integrated circuit IC2, wherein the connecting end of the integrated circuit IC1 is connected with the connecting end of the integrated circuit IC2, and the novel five-battery regulated power supply further comprises an inductor L2, a resistor R3, a resistor R6, a resistor R7, a resistor R2, a capacitor C3, a triode V1, an inductor L1, a capacitor C2, a resistor R4, a capacitor C1, a resistor R5, a resistor R1, a capacitor C4, a capacitor C5, a capacitor C6 and a resistor R8;

an LX terminal of the integrated circuit IC1 is connected to a first terminal of an inductor L2, a second terminal of the inductor L2 is connected to a first terminal of a resistor R3, a first terminal of a resistor R6 and a first terminal of a transistor V1 in sequence, a second terminal of the resistor R3 is connected to a first terminal of a resistor R2, a second terminal of the resistor R2 is connected to a first terminal of a capacitor C3, a second terminal of the capacitor C3 is connected to a REF terminal of the integrated circuit IC1, a second terminal of the resistor R6 is connected to a first terminal of a resistor R7, a second terminal of the resistor R7 is connected to a LOB terminal of the integrated circuit IC1, an LBI terminal of the integrated circuit IC1 is connected to a second terminal of the resistor R3 and a first terminal of the resistor R2, a second terminal of the transistor V1 is connected to a second terminal of the resistor R6 and a first terminal of the resistor R7, and a third terminal of the transistor V1 is connected to a light emitting diode, the OUT terminal and/SHDN terminal of the integrated circuit IC1 are sequentially connected to the positive terminal of a capacitor C2, the first terminal of a resistor R4, and the first terminal of an inductor L1, the second terminal of the inductor L1 is sequentially connected to the positive terminal of a capacitor C1 and the first terminal of a resistor R5, the second terminal of the resistor R5 is connected to the first terminal of the resistor R1, the FB terminal of the integrated circuit IC1 is respectively connected to the second terminal of the resistor R5 and the first terminal of the resistor R1, the VIN terminal of the integrated circuit IC2 is respectively connected to the first terminal of the resistor R5 and the first terminal of the capacitor C4, the EN terminal of the integrated circuit IC2 is also connected to the first terminal of the capacitor C4, the VOUT terminal of the integrated circuit IC2 is connected to the first terminal of the resistor R8, the second terminal of the resistor R8 is connected to the positive terminal of the capacitor C6, and the yp terminal of the integrated circuit IC2 is connected to the first terminal of the capacitor C5.

In a preferred embodiment, the GND terminal of the integrated circuit IC1, the GND terminal of the integrated circuit IC2, the negative terminal of the capacitor C2, the second terminal of the resistor R4, the negative terminal of the capacitor C1, the second terminal of the capacitor C4, the second terminal of the capacitor C5, the negative terminal of the capacitor C6, and the second terminal of the resistor R1 are all grounded.

The utility model discloses a technological effect and advantage:

through setting up two-stage voltage stabilizing circuit, solved because of the different types of five batteries of battery box packing, the problem that traditional voltage regulator board probably appears output voltage too high and makes some key components overvoltage damage, with the safe operating range of battery, by original voltage 2.5V to 4.0V, improve input voltage 2.5V to 8.5V, can be when the misloading lithium cell, night-time vision device also can normally work, guaranteed like key components such as intensifier can not damage.

Drawings

Fig. 1 is a topological diagram of the present invention.

Fig. 2 is a circuit diagram of the present invention.

Fig. 3 is a graph of the output voltage trend of the second stage voltage stabilizing circuit of the present invention.

Fig. 4 is a data diagram of the output voltage of the first-stage voltage stabilizing circuit of the present invention.

Fig. 5 is a data diagram of the output voltage of the second stage voltage stabilizing circuit of the present invention.

The reference signs are: 1 integrated circuit IC1, 2 integrated circuit IC2, 3 inductance L2, 4 resistor R3, 5 resistor R6, 6 resistor R7, 7 resistor R2, 8 capacitance C3, 9 triode V1, 10 inductance L1, 11 capacitance C2, 12 resistor R4, 13 capacitance C1, 14 resistor R5, 15 resistor R1, 16 capacitance C4, 17 capacitance C5, 18 capacitance C6, 19 resistor R8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The novel five-cell regulated power supply of the binocular night vision device as shown in fig. 1-5 comprises an integrated circuit IC11 and an integrated circuit IC 22, wherein the connecting end of the integrated circuit IC11 is connected with the connecting end of the integrated circuit IC 22, the integrated circuit is a miniature electronic device or component, and elements such as a transistor, a diode, a resistor, a capacitor, an inductor and the like required in a circuit and wiring are interconnected together by adopting a certain process, are manufactured on one or more small semiconductor wafers or medium substrates, and are packaged in a tube shell to form a miniature structure with required circuit functions; all the elements are structurally integrated, so that the electronic elements are greatly miniaturized, low in power consumption and high in reliability;

the novel five-battery regulated power supply of the binocular night vision device further comprises an inductor L23, a resistor R34, a resistor R65, a resistor R76, a resistor R27, a capacitor C38, a triode V19, an inductor L110, a capacitor C211, a resistor R412, a capacitor C113, a resistor R514 and a resistor R115, wherein the resistor is the blocking capability of an object for current passing, and the resistor refers to a device for providing the capability;

the novel five-cell voltage-stabilized power supply of the binocular night vision device further comprises a capacitor C416, a capacitor C517, a capacitor C618 and a resistor R819, wherein the two conductors are close to each other, and a layer of non-conductive insulating medium is sandwiched between the two conductors to form a capacitor;

the GND terminal of the integrated circuit IC11, the GND terminal of the integrated circuit IC 22, the negative terminal of the capacitor C211, the second terminal of the resistor R412, the negative terminal of the capacitor C113, the second terminal of the capacitor C416, the second terminal of the capacitor C517, the negative terminal of the capacitor C618, and the second terminal of the resistor R115 are all grounded;

an LX terminal of the integrated circuit IC11 is connected to a first terminal of an inductor L23, a second terminal of the inductor L23 is connected to a first terminal of a resistor R34, a first terminal of a resistor R65 and a first terminal of a transistor V19 in sequence, a second terminal of the resistor R34 is connected to a first terminal of a resistor R27, a second terminal of the resistor R27 is connected to a first terminal of a capacitor C38, a second terminal of the capacitor C38 is connected to a REF terminal of the integrated circuit IC11, a second terminal of the resistor R65 is connected to a first terminal of a resistor R76, a second terminal of the resistor R76 is connected to a LOB terminal of the integrated circuit IC11, an LBI terminal of the integrated circuit IC11 is connected to a second terminal of the resistor R34 and a first terminal of the resistor R27, a second terminal of the transistor V19 is connected to a second terminal of the resistor R65 and a first terminal of the resistor R76, and a third terminal of the transistor V19 is connected to a light emitting diode, the OUT terminal and/SHDN terminal of the integrated circuit IC11 are sequentially connected to the positive terminal of the capacitor C211, the first terminal of the resistor R412, and the first terminal of the inductor L110, the second terminal of the inductor L110 is sequentially connected to the positive terminal of the capacitor C113 and the first terminal of the resistor R514, the second terminal of the resistor R514 is connected to the first terminal of the resistor R115, the FB terminal of the integrated circuit IC11 is respectively connected to the second terminal of the resistor R514 and the first terminal of the resistor R115, the VIN terminal of the integrated circuit IC 22 is respectively connected to the first terminal of the resistor R514 and the first terminal of the capacitor C416, the EN terminal of the integrated circuit IC 22 is also connected to the first terminal of the capacitor C416, the VOUT terminal of the integrated circuit IC 22 is connected to the first terminal of the resistor R819, the second terminal of the resistor R819 is connected to the positive terminal of the capacitor C618, and the CBYP terminal of the integrated circuit IC 22 is connected to the first terminal of the capacitor C517.

The GND terminal of the integrated circuit IC11, the GND terminal of the integrated circuit IC 22, the negative terminal of the capacitor C211, the second terminal of the resistor R412, the negative terminal of the capacitor C113, the second terminal of the capacitor C416, the second terminal of the capacitor C517, the negative terminal of the capacitor C618, and the second terminal of the resistor R115 are all grounded.

The implementation mode is specifically as follows: the 1674 integrated circuit is selected by the first-stage circuit, when the alkaline battery is input, the 3V3 voltage is output to the second stage, when the lithium battery is loaded, the highest voltage reaches 8.4V, the first stage is reduced to 7.7V, the output voltage of the second-stage circuit is kept at 3V, the LB30 integrated circuit is selected, the constant current source is good, the ideal voltage is output by the second stage, the good efficiency can reach 66%, the service life of the battery is prolonged, the efficiency of the overhigh input voltage is only 30%, the power consumption of each path is 0.3W, the radiator can be increased to ensure the circuit safety, if the battery is occupied, the lithium battery can be selected to provide the 3V voltage (3.2V or 3.7V lithium battery), which is a battery commonly used by a monocular night vision device and provides more battery types, the utility model solves the problem that the overvoltage damage of some key elements due to the overhigh output voltage of the traditional voltage stabilizing plate can occur because the battery box is loaded into different types of five, the safe working range of the battery is improved from the original voltage of 2.5V to 4.0V to the input voltage of 2.5V to 8.5V, so that the night vision device can work normally when the lithium battery is wrongly installed, and key elements such as an intensifier cannot be damaged.

The utility model discloses the theory of operation:

referring to the attached drawings 1-5 of the specification, the problem that some key elements are damaged due to overvoltage caused by overhigh output voltage of a traditional voltage stabilizing plate when different types of five-size batteries are installed in a battery box is solved by arranging two-stage voltage stabilizing circuits, the safe working range of the battery is improved to be 2.5V to 8.5V from the original voltage of 2.5V to 4.0V, a night vision device can also normally work when lithium batteries are wrongly installed, and the key elements such as an intensifier can not be damaged.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel No. five battery voltage-stabilized power supply of binocular night-time vision device, includes integrated circuit IC1 (1) and integrated circuit IC2 (2), integrated circuit IC1 (1) link is connected with integrated circuit IC2 (2) link, its characterized in that: the circuit also comprises an inductor L2 (3), a resistor R3 (4), a resistor R6 (5), a resistor R7 (6), a resistor R2 (7), a capacitor C3 (8), a triode V1 (9), an inductor L1 (10), a capacitor C2 (11), a resistor R4 (12), a capacitor C1 (13), a resistor R5 (14), a resistor R1 (15), a capacitor C4 (16), a capacitor C5 (17), a capacitor C6 (18) and a resistor R8 (19);

the LX end of the integrated circuit IC1 (1) is connected to the first end of an inductor L2 (3), the second end of the inductor L2 (3) is connected to the first end of a resistor R3 (4), the first end of a resistor R6 (5) and the first end of a transistor V1 (9) in sequence, the second end of the resistor R3 (4) is connected to the first end of a resistor R2 (7), the second end of the resistor R2 (7) is connected to the first end of a capacitor C3 (8), the second end of the capacitor C3 (8) is connected to the REF end of the integrated circuit IC1 (1), the second end of the resistor R6 (5) is connected to the first end of a resistor R7 (6), the second end of the resistor R7 (6) is connected to the LOB end of the integrated circuit IC1 (1), the LBI end of the integrated circuit IC1 (1) is connected to the second ends of the resistor R3 (4) and the resistor R6867, a second end of the triode V1 (9) is connected to a second end of the resistor R6 (5) and a first end of the resistor R7 (6), respectively, a third end of the triode V1 (9) is connected to a light emitting diode, an OUT end and/SHDN end of the integrated circuit IC1 (1) are connected to a positive end of the capacitor C2 (11), a first end of the resistor R4 (12), and a first end of the inductor L1 (10), a second end of the inductor L1 (10) is connected to a positive end of the capacitor C1 (13) and a first end of the resistor R5 (14), a second end of the resistor R5 (14) is connected to a first end of the resistor R1 (15), an FB end of the integrated circuit IC1 (1) is connected to a second end of the resistor R5 (14) and a first end of the resistor R1 (15), respectively, a first end of the integrated circuit IC2 (2) is connected to a first end of the resistor R5 and a first end of the resistor R4 (16), the EN terminal of the integrated circuit IC2 (2) is also connected to the first terminal of the capacitor C4 (16), the VOUT terminal of the integrated circuit IC2 (2) is connected to the first terminal of the resistor R8 (19), the second terminal of the resistor R8 (19) is connected to the positive terminal of the capacitor C6 (18), and the CBYP terminal of the integrated circuit IC2 (2) is connected to the first terminal of the capacitor C5 (17).

2. The novel five-size battery voltage-stabilized power supply of binocular night vision device of claim 1, characterized in that: the GND terminal of the integrated circuit IC1 (1), the GND terminal of the integrated circuit IC2 (2), the negative terminal of the capacitor C2 (11), the second terminal of the resistor R4 (12), the negative terminal of the capacitor C1 (13), the second terminal of the capacitor C4 (16), the second terminal of the capacitor C5 (17), the negative terminal of the capacitor C6 (18), and the second terminal of the resistor R1 (15) are all grounded.