AC output control device and camera

Abstract

The utility model provides an AC output control device and a camera, and relates to the technical field of electronics, and the device comprises a power supply conversion module, a power-on state detection module and a communication module. The input end of the power conversion module is connected with an AC power supply and used for converting the AC power supply into a DC power supply, and the output end of the power conversion module outputs the DC power supply. A first input end of the power-on state detection module is connected to an alternating current power supply, a second input end of the power-on state detection unit is connected to an alternating current load, the power-on state detection module is used for detecting working current and working voltage of the alternating current power supply and generating a detection signal, and an output end of the power-on state detection module outputs the detection signal; the communication module is connected with the power-on state detection module and used for controlling the working state of the power-on state detection module. The device can detect the working voltage and current, achieves the precise detection of the operation condition of the AC load, can adapt to AC power supplies in different voltage ranges, is very high in flexibility, and has a communication function.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic technical field, especially relate to an alternating current output control device and camera. BACKGROUND

[0002] With the development of science and technology, the types of outdoor equipment are more and more, for example, outdoor camera, widely used in safety monitoring, environmental monitoring, traffic management and agriculture and other technical fields, and the outdoor equipment runs in various environments, faces many challenges, such as bad weather, temperature change, humidity, electromagnetic interference, therefore, a reliable power control module is very important to ensure the normal operation of these devices.

[0003] At present, the power control module has the following problems in the specific application process, first, the power control module is usually single voltage control, cannot satisfy the input of multiple different voltages, and the flexibility is poor, second, the power control module is usually controlled to open and close by IO input signal, and does not have communication function itself, finally, cannot collect the voltage and current state of the controlled power supply, and cannot perceive the situation of access load. The above problems will affect the normal use of outdoor equipment to different degrees. UTILITY MODEL CONTENTS

[0004] In view of the above existing problems of prior art, the utility model provides an alternating current output control device and camera, solves the technical problems that the power control module in prior art cannot satisfy the input of multiple different voltages, does not have communication function and cannot detect the working state of power supply.

[0005] The utility model provides an alternating current output control device in one aspect, comprising power conversion module, power-on state detection module and communication module;

[0006] The input end of the power conversion module is connected with alternating current power supply, which is used to convert the alternating current power supply into direct current power supply, and the output end of the power conversion module outputs the direct current power supply;

[0007] The first input end of the power-on state detection module is connected with the alternating current power supply, the second input end of the power-on state detection unit is connected with alternating current load, the power-on state detection module is used to detect the working current and working voltage of the alternating current power supply and generate detection signal, and the output end of the power-on state detection module outputs the detection signal;

[0008] The communication module is connected with the power-on state detection module, which is used to control the working state of the power-on state detection module.

[0009] Optionally, the power conversion module comprises a first port, a first rectifier bridge, a first voltage stabilizer, a second voltage stabilizer and a third voltage stabilizer;

[0010] The first port accesses the alternating power supply, the first port is connected with an input end of the first rectifier bridge, an output end of the first rectifier bridge is connected with an input end of the first voltage stabilizer, an output end of the first voltage stabilizer outputs a first direct current power supply, the output end of the first voltage stabilizer is further connected with an input end of the second voltage stabilizer, an output end of the second voltage stabilizer outputs a second direct current power supply, the output end of the second voltage stabilizer is further connected with an input end of the third voltage stabilizer, and an output end of the third voltage stabilizer outputs a third direct current power supply.

[0011] Optionally, the power-on state detection module comprises a current detection unit, a voltage detection unit and a detection indicator light, wherein the number of the current detection unit and the voltage detection unit is equal and at least one;

[0012] The first input end of the current detection unit accesses the alternating power supply, the second input end of the current detection unit accesses the alternating load, the current detection unit is used for detecting the working current of the alternating power supply and generating a working current detection signal, and the output end of the current detection unit outputs the working current detection signal;

[0013] The input end of the voltage detection unit accesses the alternating power supply, the voltage detection unit is used for detecting the working voltage of the alternating power supply and generating a working voltage detection signal, and the output end of the voltage detection unit outputs the working voltage detection signal;

[0014] The current detection unit is connected with the detection indicator light.

[0015] Optionally, the current detection unit comprises a second port, a relay, a mutual inductor and an operational amplifier, wherein the second port comprises a first pin and a second pin;

[0016] The first terminal of the alternating power supply is connected with one end of the primary side of the mutual inductor through the relay, the second terminal of the alternating power supply is connected with the second pin of the second port, the first pin of the second port is connected with the other end of the primary side of the mutual inductor, the second port accesses the alternating load, the secondary side of the mutual inductor is connected with the non-inverting input end of the operational amplifier, the inverting input end of the operational amplifier is connected with the ground end, the inverting input end of the operational amplifier is further connected with the output end of the operational amplifier, and the operational amplifier is used for generating the working current detection signal and outputting the working current detection signal through the output end of the operational amplifier;

[0017] The normally open contact of the relay is connected with the detection indicator light.

[0018] Optionally, the voltage detection unit comprises a second rectifier bridge and a voltage dividing circuit.

[0019] The first terminal of the AC power supply is connected to the first input end of the second rectifier bridge through the relay, the second terminal of the AC power supply is connected to the second input end of the second rectifier bridge, and the output end of the second rectifier bridge is connected to the input end of the voltage divider circuit. The voltage divider circuit is used to generate the working voltage detection signal and output the working voltage detection signal through the output end of the voltage divider circuit.

[0020] Optionally, the communication module includes an RS485 communication chip.

[0021] Optionally, the device further includes an outer sealing plate and a main control plate;

[0022] The power conversion module, the power-on status detection module and the communication module are integrated on the main control board;

[0023] The outer sealing plate includes a vertically arranged connecting plate and an interface plate. The interface plate is vertically arranged at one end of the connecting plate. The main control board is threadedly connected to the connecting plate, and a plurality of power interfaces are provided on the interface plate.

[0024] Optionally, the device further comprises a support plate;

[0025] The bracket plate is provided with a mounting hole, which has the same size and shape as the interface plate. The main control board extends into the other side of the bracket plate through the mounting hole, and the interface plate and the bracket plate are in the same plane.

[0026] Optionally, a plurality of the mounting holes are provided on the bracket plate, and the number of the mounting holes is equal to the number of the outer sealing plate and the main control board.

[0027] Another aspect of the present invention provides a camera, comprising any one of the AC output control devices described above.

[0028] The AC output control device and camera provided by the present invention have a power conversion module that can adapt to AC power sources of different voltage ranges and convert AC power into DC power, enabling the device to adapt to the needs of different equipment and environments, thereby improving the flexibility and scope of application of the device; a built-in power-on status detection module that can detect the operating current and operating voltage of the AC power source and generate a detection signal, thereby accurately determining the operating status of the AC load; a communication module is provided to enable the device to have a communication function, and the communication module is connected to the power-on status detection module to achieve remote control of the operating status of the power-on status detection module. The above-mentioned device can detect the operating voltage and current, achieve accurate detection of the operating status of the AC load, can adapt to AC power sources of different voltage ranges, has strong flexibility, and also has a communication function.

[0029] Other features and advantages of the present application will be set forth in the following description of the application, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the application. The objects and other advantages of the application can be realized and attained by means of the instrumentalities and combinations particularly pointed out in the written description and claims hereof as well as the appended drawings.

[0030] The technical solutions of the present application will be further described in detail below with the help of the drawings and examples. BRIEF DESCRIPTION OF DRAWINGS

[0031] The accompanying drawings are included to provide a further understanding of the present application and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the present application and, do not limit the present application. In the drawings:

[0032] Figure 1 Connection structure schematic diagram of the AC output control device in an embodiment provided by the present application;

[0033] Figure 2 Specific circuit diagram of the power conversion module of the AC output control device in an embodiment provided by the present application;

[0034] Figure 3 Connection structure schematic diagram of the power-on state detection module of the AC output control device in an embodiment provided by the present application;

[0035] Figure 4 Specific circuit diagram of the power-on state detection module of the AC output control device in an embodiment provided by the present application;

[0036] Figure 5 Specific circuit diagram of the current detection unit of the AC output control device in an embodiment provided by the present application;

[0037] Figure 6 Specific circuit diagram of the voltage detection unit of the AC output control device in an embodiment provided by the present application;

[0038] Figure 7 Overall structure schematic diagram of the AC output control device in an embodiment provided by the present application;

[0039] Figure 8 Connection structure schematic diagram of the main control board of the AC output control device in an embodiment provided by the present application.

[0040] In the drawings:

[0041] 1, power conversion module; 2, power-on state detection module; 3, communication module; 4, main control board; 5, connection plate; 6, interface plate; 7, support plate; 8, mounting hole;

[0042] First port P1;Second port P2;Detection indicator light P3;

[0043] First voltage stabilizer U1;Second voltage stabilizer U2;Third voltage stabilizer U3;Operational amplifier U1A;

[0044] First terminal of AC power supply AC+;Second terminal of AC power supply AC-;

[0045] First rectifier bridge DB1;Second rectifier bridge DB2;

[0046] First fuse F1;Second fuse F2;Potentiometer RV1;Relay K1;Mutual inductor L1;

[0047] Working current detection signal CHK_I1;Working voltage detection signal ADC_V1. DETAILED DESCRIPTION

[0048] In the description of the utility model, it needs to understand that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model indicated or implied by the device or element with a particular orientation, structure and operation, and therefore cannot be understood as limiting the utility model.

[0049] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0050] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0051] The utility model provides a kind of AC output control device, such as Figure 1As shown, including power conversion module 1, power-on state detection module 2 and communication module 3; the input end of power conversion module 1 is connected to the AC power supply, for converting AC power supply into DC power supply, the output end of power conversion module 1 outputs DC power supply;The first input end of power-on state detection module 2 is connected to the AC power supply, and the second input end of the power-on state detection unit is connected to the AC load, and the power-on state detection module 2 is used to detect the working current and working voltage of the AC power supply and generate detection signal, and the output end of the power-on state detection module 2 outputs the detection signal;Communication module 3 is connected with power-on state detection module 2, for controlling the working state of power-on state detection module 2.

[0052] The AC output control device provided by the utility model, power conversion module 1 can adapt to AC power supply of different voltage range, converts AC power supply into DC power supply, makes the device can adapt to the demand of different equipment and environment, improves the flexibility and the scope of application of the device, built-in power-on state detection module 2 can detect the working current and working voltage of AC power supply and generate detection signal, and then accurately judges the running condition of AC load, is provided with communication module 3, so that the device has communication function, and communication module 3 is connected with power-on state detection module 2, can realize remote control power-on state detection module 2's working state.The above-mentioned device can detect working voltage and current, realizes the accurate detection of AC load running condition, can adapt to AC power supply of different voltage range, has very strong flexibility, and has communication function simultaneously.

[0053] Specifically, in the above embodiment, the power conversion module includes a first port P1, a first rectifier bridge DB1, a first voltage stabilizer U1, a second voltage stabilizer U2 and a third voltage stabilizer U3; the first port is connected to the AC power supply, the first port is connected to the input end of the first rectifier bridge DB1, the output end of the first rectifier bridge DB1 is connected to the input end of the first voltage stabilizer U1, the output end of the first voltage stabilizer U1 outputs the first DC power supply, the output end of the first voltage stabilizer U1 is also connected to the input end of the second voltage stabilizer U2, the output end of the second voltage stabilizer U2 outputs the second DC power supply, the output end of the second voltage stabilizer U2 is also connected to the input end of the third voltage stabilizer U3, and the output end of the third voltage stabilizer U3 outputs the third DC power supply.

[0054] In the embodiment, as Figure 2As shown, the first port P1 is connected to an alternating current power supply, the first terminal AC+ of the alternating current power supply is connected to the first input end of the first rectifier bridge DB1 through the first fuse F1, the second terminal AC- of the alternating current power supply is connected to the second input end of the first rectifier bridge DB1, and the potentiometer RV1 is connected between the first terminal AC+ of the alternating current power supply and the second terminal AC- of the alternating current power supply for adjusting the voltage or current in the circuit. The first rectifier bridge DB1 is used to convert the alternating current power supply into a direct current power supply. The voltage range of the alternating current power supply can be 48V, 24V or 12V. The output end of the first rectifier bridge DB1 is connected to the input end of the first voltage stabilizer U1. The output end of the first voltage stabilizer U1 outputs a 12V direct current power supply and is connected to the second voltage stabilizer U2. The output end of the second voltage stabilizer U2 outputs a 5V direct current power supply and is connected to the third voltage stabilizer U3. Finally, the third voltage stabilizer U3 outputs a 3.3V direct current power supply. The three voltage stabilizers can convert unstable direct current power supply into stable output voltage. The feedback pin FEEDBACK of the first voltage stabilizer U1 is used for closed-loop control to ensure the accuracy of the output voltage. The inductance in the circuit is used for energy storage and smoothing the output voltage. Other capacitors in the circuit are distributed throughout the circuit for further filtering, decoupling noise, energy storage and other functions.

[0055] Specifically, in the above embodiment, the power-on state detection module includes a current detection unit, a voltage detection unit and a detection indicator lamp P3, wherein the number of the current detection unit and the voltage detection unit is equal and at least one; the first input end of the current detection unit is connected to the alternating current power supply, the second input end of the current detection unit is connected to the alternating current load, the current detection unit is used to detect the working current of the alternating current power supply and generate a working current detection signal, and the output end of the current detection unit outputs the working current detection signal; the input end of the voltage detection unit is connected to the alternating current power supply, the voltage detection unit is used to detect the working voltage of the alternating current power supply and generate a working voltage detection signal, and the output end of the voltage detection unit outputs the working voltage detection signal; the current detection unit is connected with the detection indicator lamp P3.

[0056] In this embodiment, as shown in Figure 3 and Figure 4 Two current detection units are specifically provided, and two voltage detection units are correspondingly configured, and the current detection units are both connected to the detection indicator lamp P3, realizing double-channel power-on state detection. When the current detection unit detects, the detection indicator lamp P3 is brightened to timely remind the user, and the user can timely understand the detection state.

[0057] Further, the current detection unit comprises a second port P2, a relay K1, a transformer L1 and an operational amplifier U1A, wherein the second port P2 comprises a first pin and a second pin; a first terminal AC+ of the AC power source is connected with one end of a primary side of the transformer L1 through the relay K1, a second terminal AC- of the AC power source is connected with the second pin of the second port P2, the first pin of the second port P2 is connected with the other end of the primary side of the transformer L1, the second port P2 is connected with an AC load, one end of a secondary side of the transformer L1 is connected with a non-inverting input terminal of the operational amplifier U1A, an inverting input terminal of the operational amplifier U1A is connected with a ground terminal, the inverting input terminal of the operational amplifier U1A is also connected with an output terminal of the operational amplifier U1A, the operational amplifier U1A is used for generating a working voltage detection signal and outputting the working voltage detection signal through the output terminal of the operational amplifier U1A; a normally open contact of the relay K1 is connected with a detection indicator P3.

[0058] In the embodiment, as shown in Figure 5 the first terminal AC+ of the AC power source is connected with one end of a primary side of the transformer L1 through the second fuse F2 and the relay K1 in sequence, the second terminal AC- of the AC power source is connected with the second pin of the second port P2, the first pin of the second port P2 is connected with the other end of the primary side of the transformer L1, the second port P2 is connected with an AC load, when the relay K1 is turned on, a circuit is connected, the first terminal AC+ of the AC power source outputs OUT1_AC and is connected with one end of the primary side of the transformer L1, one end of a secondary side of the transformer L1 is connected with a ground terminal, the other end of the secondary side of the transformer L1 is connected with the non-inverting input terminal of the operational amplifier U1A, the inverting input terminal of the operational amplifier U1A is connected with the ground terminal through a resistor, the inverting input terminal of the operational amplifier U1A is also connected with the output terminal of the operational amplifier U1A, a power supply terminal of the operational amplifier U1A is connected with a 5V power supply, a ground terminal of the operational amplifier U1A is connected with the ground terminal, and finally the output terminal of the operational amplifier U1A outputs a working current detection signal CHK_I1; when the relay K1 is turned on, the normally open contact of the relay K1 is connected with the detection indicator P3, and when the current detection unit detects voltage, the indicator P3 is brightened to indicate; in addition, the rest of the resistors and capacitors in the circuit diagram are combined to form an RC filter, which is used for removing interference or generating a specific time delay.

[0059] Further, the voltage detection unit comprises a second rectifier bridge DB2 and a voltage dividing circuit; the first terminal AC+ of the AC power source is connected with a first input terminal of the second rectifier bridge DB2 through a relay, the second terminal AC- of the AC power source is connected with a second input terminal of the second rectifier bridge DB2, an output terminal of the second rectifier bridge DB2 is connected with an input terminal of the voltage dividing circuit, and the voltage dividing circuit is used for generating a working current detection signal and outputting the working current detection signal through an output terminal of the voltage dividing circuit.

[0060] In the embodiment, as shown inFigure 6 As shown in the first terminal AC+ of the AC power supply output OUT1_AC and the first input end of the second rectifier bridge DB2 are connected, the second terminal AC- of the AC power supply is connected with the second input end of the second rectifier bridge DB2, the second rectifier bridge DB2 converts the AC power supply into the DC power supply, and finally outputs the working voltage detection signal ADC_V1 through the voltage division circuit composed of the resistance and the capacitor.

[0061] Specifically, in the above embodiment, the communication module 3 includes an RS485 communication chip.

[0062] In this embodiment, the communication module 3 includes an RS485 communication chip, which can specifically realize RS485 communication, is suitable for large industrial sites or distributed systems, can transmit control signals and data to a remote location, and RS485 supports multipoint communication, can connect multiple devices to form networked management, and is suitable for complex system architecture; RS485 uses differential signal transmission, has strong anti-interference ability, and can work stably in a noisy industrial environment; RS485 supports half-duplex and full-duplex communication modes, and can select the appropriate communication mode according to the actual needs to improve the flexibility and reliability of communication.

[0063] Among them, the communication module 3 can control the conduction state of the relay K1, and finally determine the logic of detection.

[0064] Specifically, in the above embodiment, as Figure 7 and Figure 8 As shown, the device further includes an outer sealing plate and a main control board 4; the power conversion module 1, the power-on state detection module 2 and the communication module 3 are integrated on the main control board 4; the outer sealing plate includes a vertically arranged connecting plate 5 and an interface plate 6, the interface plate 6 is vertically arranged at one end of the connecting plate 5, the main control board 4 is threadedly connected to the connecting plate 5, and a plurality of power interfaces are formed on the interface plate 6.

[0065] In this embodiment, the power conversion module 1, the power-on state detection module 2 and the communication module 3 are integrated on the main control board 4, so that the whole device structure is compact, small in size, easy to install and maintain, the main control board 4 is threadedly connected to the connecting plate 5, and is not easy to loosen, thereby improving the mechanical strength and reliability of the device, and the threaded connection is easy to disassemble, thereby facilitating maintenance and maintenance; the outer sealing plate includes a vertically arranged connecting plate 5 and an interface plate 6, which effectively prevents dust, moisture and other external factors from affecting the internal electronic components, prolongs the service life of the device, and the design of the outer sealing plate provides physical isolation to prevent accidental contact with live parts, thereby improving the safety of the operator, and a plurality of power interfaces are formed on the interface plate 6, which can conveniently access different types of AC power supply, thereby improving the compatibility and flexibility of the device.

[0066] Further, asFigure 6 As shown, the device further comprises a support plate 7; the support plate 7 is provided with mounting holes 8, the mounting holes 8 are the same in size and shape as the interface plate 6, the main control board 4 extends to the other side of the support plate 7 through the mounting holes 8, and the interface plate 6 and the support plate 7 are in the same plane.

[0067] In the embodiment, the mounting holes 8 on the support plate 7 are the same in size and shape as the interface plate 6, which ensures that the main control board 4 can be firmly fixed on the support plate 7, reduces the loosening of the device caused by vibration or external force during use, and makes the overall layout of the device more compact by extending the main control board 4 to the other side of the support plate 7, thereby saving installation space; the outer sealing plate and the support plate 7 jointly constitute a closed protective shell, which improves the protection performance of the device, prevents dust, moisture and other external factors from affecting the internal electronic components, the fixing effect of the support plate 7 can reduce the influence of vibration on the internal electronic components, improve the reliability and service life of the device, and the main control board 4 is fixed on the support plate 7 through the mounting holes 8, which is also easy to disassemble, facilitating maintenance and maintenance.

[0068] Specifically, in the above embodiment, the support plate 7 is provided with a plurality of mounting holes 8, and the number of mounting holes 8 is equal to the number of outer sealing plates and main control boards 4.

[0069] In the embodiment, a plurality of mounting holes 8 can be provided on the support plate 7 according to the needs of use, and a plurality of outer sealing plates and a plurality of main control boards 4 can be provided, the number of which is equal, each outer sealing plate is inserted into each mounting hole 8 for installation, and each main control board 4 is integrated with a power conversion module 1, a power-on state detection module 2 and a communication module 3, so that the alternating current output control device has a plurality of independently operating functional units, each functional unit can independently perform power conversion, power-on state detection and communication function, and the device as a whole has stronger functionality.

[0070] The utility model provides a camera on one hand, including above any one's alternating current output control device.

[0071] The camera provided by the application has an alternating current output control device, can realize remote control by using the communication module 3, can access alternating current power supplies of different voltage ranges, has strong flexibility, can detect working voltage and current in real time, and ensures that the camera can work stably in different outdoor environments, thereby improving the quality and stability of camera shooting. Obviously, those skilled in the art can make various modifications and changes to the utility model without departing from the spirit and scope of the utility model. Therefore, if these modifications and changes of the utility model belong to the scope of the utility model claims and equivalent technologies, the utility model also intends to include these modifications and changes.

Claims

1. An alternating current output control device, characterized by, The power conversion module (1), the power-on state detection module (2) and the communication module (3) are included. The input end of the power conversion module (1) is connected to an alternating current power supply, and the power conversion module (1) is used for converting the alternating current power supply into a direct current power supply, and the output end of the power conversion module (1) outputs the direct current power supply. The first input end of the power-on state detection module (2) is connected to the alternating current power supply, and the second input end of the power-on state detection module (2) is connected to an alternating current load, and the power-on state detection module (2) is used for detecting the working current and the working voltage of the alternating current power supply and generating a detection signal, and the output end of the power-on state detection module (2) outputs the detection signal. The communication module (3) is connected with the power-on state detection module (2), and is used for controlling the working state of the power-on state detection module (2).

2. The AC output control device according to claim 1, characterized by The power conversion module (1) includes a first port, a first rectifier bridge, a first voltage stabilizer, a second voltage stabilizer and a third voltage stabilizer. The first port is connected to the alternating current power supply, the first port is connected with the input end of the first rectifier bridge, the output end of the first rectifier bridge is connected with the input end of the first voltage stabilizer, the output end of the first voltage stabilizer outputs a first direct current power supply, the output end of the first voltage stabilizer is also connected with the input end of the second voltage stabilizer, the output end of the second voltage stabilizer outputs a second direct current power supply, the second output end of the second voltage stabilizer is also connected with the input end of the third voltage stabilizer, and the output end of the third voltage stabilizer outputs a third direct current power supply.

3. The AC output control device according to claim 1, characterized by The power-on state detection module (2) includes a current detection unit, a voltage detection unit and a detection indicator lamp, wherein the number of the current detection unit and the voltage detection unit is equal, and at least one. The first input end of the current detection unit is connected to the alternating current power supply, and the second input end of the current detection unit is connected to the alternating current load, and the current detection unit is used for detecting the working current of the alternating current power supply and generating a working current detection signal, and the output end of the current detection unit outputs the working current detection signal. The input end of the voltage detection unit is connected to the alternating current power supply, and the voltage detection unit is used for detecting the working voltage of the alternating current power supply and generating a working voltage detection signal, and the output end of the voltage detection unit outputs the working voltage detection signal. The current detection unit is connected with the detection indicator lamp.

4. The AC output control device according to claim 3, characterized by The current detection unit includes a second port, a relay, a mutual inductor and an operational amplifier, wherein the second port includes a first pin and a second pin. The first terminal of the AC power supply is connected with one end of the primary side of the transformer through the relay, the second terminal of the AC power supply is connected with the second pin of the second port, the first pin of the second port is connected with the other end of the primary side of the transformer, the second port is connected with the AC load, the secondary side of the transformer is connected with the non-inverting input terminal of the operational amplifier, the inverting input terminal of the operational amplifier is connected with the ground terminal, the inverting input terminal of the operational amplifier is also connected with the output terminal of the operational amplifier, and the operational amplifier is used for generating the working current detection signal and outputting the working current detection signal through the output terminal of the operational amplifier; The normally open contact of the relay is connected with the detection indicator.

5. The AC output control device according to claim 4, wherein The voltage detection unit comprises a second rectifier bridge and a voltage dividing circuit; The first terminal of the AC power supply is connected with the first input terminal of the second rectifier bridge through the relay, the second terminal of the AC power supply is connected with the second input terminal of the second rectifier bridge, the output terminal of the second rectifier bridge is connected with the input terminal of the voltage dividing circuit, and the voltage dividing circuit is used for generating the working voltage detection signal and outputting the working voltage detection signal through the output terminal of the voltage dividing circuit.

6. The AC output control device of claim 1, wherein The communication module (3) comprises an RS485 communication chip.

7. The AC output control device of claim 1, wherein The device further comprises an outer sealing plate and a main control board (4); The power conversion module (1), the power-on state detection module (2) and the communication module (3) are integrated on the main control board (4). The outer sealing plate comprises a vertically arranged connecting plate (5) and an interface plate (6), the interface plate (6) is vertically arranged at one end of the connecting plate (5), the main control board (4) is threadedly connected to the connecting plate (5), and a plurality of power supply interfaces are formed in the interface plate (6).

8. The AC output control device according to claim 7, wherein The device further comprises a support plate (7); A plurality of mounting holes (8) are formed in the support plate (7), the mounting holes (8) are identical in size and shape with the interface plate (6), the main control board (4) extends to the other side of the support plate (7) through the mounting holes (8), and the interface plate (6) and the support plate (7) are in the same plane.

9. The AC output control device of claim 8, wherein A plurality of mounting holes (8) are formed in the support plate (7), and the number of the mounting holes (8) is equal to the number of the outer sealing plate and the main control board (4).

10. A camera, characterized by An AC output control device as claimed in any one of claims 1 to 9. An AC output control device as claimed in any one of claims 1 to 9.

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