Light emitting device, apparatus, and imaging device

Abstract

The utility model discloses an embodiment provides a kind of light emitting device, device and camera equipment, wherein, the light emitting device includes: first signal input interface, second signal input interface, control unit, light emitting element, first signal output interface and second signal output interface, wherein, the first signal input interface is used to receive configuration signal, the configuration signal is used to configure the target corresponding relationship of the function mode of the light emitting device and received control signal;The second signal input interface is used to receive target control signal;The control unit is used to determine the target function mode corresponding with the target control signal from the target corresponding relationship, and controls the light emitting element according to the target function mode work;The first signal output interface is used to transmit the configuration signal to next stage light emitting device;The first signal output interface is used to transmit the target control signal to the next stage light emitting device.

Description

TECHNICAL FIELD

[0001] The embodiment of the utility model relates to electronic device field, concretely, a light emitting device, device and camera equipment are provided. BACKGROUND

[0002] The light emitting device in the prior art has only one communication input interface, so the configuration information and control signal need to be transmitted through the same interface, which may cause mutual interference between signals. Moreover, since there is only one communication input interface, the cascade transmission of signals cannot be realized, so in the case of multiple light emitting devices, only star connection mode can be used for deployment, which leads to the problems of complex cable deployment and wiring and limited expandability. SUMMARY

[0003] The embodiment of the utility model provides a light emitting device, device and camera equipment to at least solve the problems of mutual interference between signals, complex cable deployment and wiring and limited expandability caused by the light emitting device in the prior art having only one communication input interface.

[0004] According to one embodiment of the utility model, a light emitting device is provided, comprising: a first signal input interface, a second signal input interface, a control unit, a light emitting element, a first signal output interface and a second signal output interface, wherein the first signal input interface is used for receiving a configuration signal, the configuration signal is used for configuring the target corresponding relationship of the function mode of the light emitting device and the received control signal; the second signal input interface is used for receiving a target control signal; the control unit is used for determining the target function mode corresponding to the target control signal from the target corresponding relationship, and controlling the light emitting element to work according to the target function mode; the first signal output interface is used for transmitting the configuration signal to the next stage light emitting device; and the second signal output interface is used for transmitting the target control signal to the next stage light emitting device.

[0005] In one exemplary embodiment, the signal transmission speed of the second signal input interface is higher than that of the first signal input interface, and the signal transmission speed of the second signal output interface is higher than that of the first signal output interface.

[0006] In one exemplary embodiment, the second signal input interface is connected with the second signal output interface and the control unit respectively, and the control unit is connected with the light emitting element.

[0007] In one example embodiment, the first signal input interface and the first signal output interface are connected to the control unit respectively, or the control unit is connected to the first signal input interface and the first signal output interface respectively.

[0008] In one example embodiment, the functional mode of the light emitting device includes at least one of the following: continuous light emission, stroboscopic flash, explosive flash and extinguishing.

[0009] In one example embodiment, the first signal input interface and the first signal output interface are of the same type, and the second signal input interface and the second signal output interface are of the same type.

[0010] According to another embodiment of the present application, a light emitting device is provided, comprising a plurality of the above light emitting devices, wherein the plurality of light emitting devices are cascaded, the first signal output interface of a former light emitting device is connected to the first signal input interface of a latter light emitting device, and the second signal output interface of the former light emitting device is connected to the second signal input interface of the latter light emitting device.

[0011] In one example embodiment, the first signal output interface of the former light emitting device and the first signal input interface of the latter light emitting device are connected by a cable or plug-in mode, and the second signal output interface of the former light emitting device and the second signal input interface of the latter light emitting device are connected by a cable or plug-in mode.

[0012] According to still another embodiment of the present application, a camera device is provided, comprising a camera module and one of the following: the above light emitting device; the above light emitting device.

[0013] In one example embodiment, the camera device comprises a third output interface and a fourth output interface, wherein the third output interface is used for outputting the configuration signal, the fourth output interface is used for outputting the control signal, the third output interface is connected to the first signal input interface of the light emitting device, and the fourth output interface is connected to the second signal input interface of the light emitting device.

[0014] The utility model discloses a light emitting device, comprising an interface for receiving a configuration signal, an interface for outputting the configuration signal to a next light emitting device, an interface for receiving a control signal and an interface for outputting the control signal to the next light emitting device. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structure schematic of the light emitting device according to the utility model embodiment Figure 1 ;

[0016] Figure 2 is a structure schematic of the light emitting device according to the utility model embodiment Figure 2 ;

[0017] Figure 3 is a schematic diagram of the light emitting device according to the utility model embodiment;

[0018] Figure 4 is a structure schematic of the light emitting device according to the utility model embodiment Figure 2 . DETAILED DESCRIPTION

[0019] The embodiments of the utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0020] It should be noted that the terms "first", "second" and the like in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence.

[0021] In the present embodiment, a light emitting device is provided, Figure 1 is a structure schematic of the light emitting device according to the utility model embodiment Figure 1 , for example, IN1As shown, the light emitting device comprises a first signal input interface, a second signal input interface, a control unit, a light emitting element, a first signal output interface, and a second signal output interface, wherein the first signal input interface is configured to receive a configuration signal, the configuration signal being configured to configure a target corresponding relationship between a function mode of the light emitting device and a received control signal; the second signal input interface is configured to receive a target control signal; the control unit is configured to determine a target function mode corresponding to the target control signal from the target corresponding relationship, and control the light emitting element to work in the target function mode; the first signal output interface is configured to transmit the configuration signal to a next stage light emitting device; and the first signal output interface is configured to transmit the target control signal to the next stage light emitting device.

[0022] In the above embodiment, the first signal input interface includes but is not limited to an RS485 (Recommended Standard 485) interface, an RS232 (Recommended Standard 232) interface, a CAN interface, etc., the second signal input interface includes but is not limited to an alarm input interface, an analog input interface, etc., the first signal output interface includes but is not limited to an RS485 interface, an RS232 interface, a CAN interface, etc., the second signal output interface includes but is not limited to an alarm output interface, an analog output interface, etc., in the above embodiment, the light emitting element includes but is not limited to a light emitting diode, a laser diode, a fluorescent lamp, etc., the target control signal includes but is not limited to a frequency control signal, a brightness control signal, a color control signal, a mode switching signal, a pulse width modulation signal, a timing control signal, etc., the type of the target control signal can be adjusted according to the application scenario, for example, in the scenario where the light emitting device is used as a fill light, the number of the target control signal can be determined according to the function mode of the fill light, for example, in the case where the fill light only includes one light emitting device and the function of the light emitting device includes constant light, stroboscopic light, flash light, and off, the target control signal and the corresponding relationship between the fill light function are shown in Table 1.

[0023] Table 1

[0024] IN2 Function Fill light off 0 0 Fill light strobe 0 1 Fill light flash 1 0 Fill light constant 1 1 Figure 1

[0025] In the above embodiment, since the light emitting device respectively comprises an interface for receiving a configuration signal, an interface for outputting the configuration signal to a next stage light emitting device, an interface for receiving a control signal, and an interface for outputting the control signal to a next stage light emitting device, the receiving and transmission of the configuration signal and the control signal can be realized respectively, and the light emitting device can be cascaded when multiple light emitting devices are required to be used simultaneously, thereby solving the problems of mutual interference between signals, complex cable deployment and wiring, and limited expandability caused by the light emitting device only having one communication input interface in the related art, and achieving the effects of improving the stability and reliability of signal transmission, simplifying wiring, reducing cable redundancy, and enhancing expandability.

[0026] In an optional embodiment, the signal transmission speed of the second signal input interface is higher than the signal transmission speed of the first signal input interface, and the signal transmission speed of the second signal output interface is higher than the signal transmission speed of the first signal output interface.

[0027] In the above embodiment, by using the interface with higher signal transmission speed to receive the control signal and output the control signal, the interface is set according to the characteristics of different signals, and the real-time performance, signal integrity and reliability of the system are significantly improved.

[0028] In an optional embodiment, the second signal input interface and the second signal output interface are respectively connected to the control unit, and the control unit is connected to the light emitting element.

[0029] In an optional embodiment, the first signal input interface and the first signal output interface are respectively connected to the control unit, or the control unit is connected to the first signal input interface and the first signal output interface.

[0030] In the above embodiment, as shown in Figure 2 , the control unit is connected to the first signal input interface and the first signal output interface, as shown in Figure 3 , the first signal input interface and the first signal output interface are respectively connected to the control unit.

[0031] In an optional embodiment, the function mode of the light emitting device comprises at least one of the following: continuous light emission, stroboscopic flash, explosive flash, and extinguishing.

[0032] In an optional embodiment, the first signal input interface and the first signal output interface are of the same type, and the second signal input interface and the second signal output interface are of the same type.

[0033] In the above embodiment, the first signal input interface and the first signal output interface are exemplary and include but are not limited to: both being RS485 interfaces, both being RS232 interfaces, both being CAN interfaces, etc., and the second signal input interface and the second signal output interface include but are not limited to: both being alarm interfaces, both being analog quantity interfaces, etc.

[0034] In the above embodiment, by using the same type of interface for input and output of the same signal, the transmission characteristics of the signal are ensured to remain consistent during input and output, and signal distortion and interference are reduced.

[0035] The embodiment of the utility model provides a light emitting device, including a plurality of above-mentioned light emitting devices, wherein the plurality of light emitting devices are cascaded, the first signal output interface of the former stage light emitting device is connected with the first signal input interface of the latter stage light emitting device, and the second signal output interface of the former stage light emitting device is connected with the second signal input interface of the latter stage light emitting device.

[0036] In the above embodiment, the first signal input interface and the first signal output interface are exemplary and include but are not limited to: both being RS485 interfaces, both being RS232 interfaces, both being CAN interfaces, etc., and the second signal input interface and the second signal output interface include but are not limited to: both being alarm interfaces, both being analog quantity interfaces, etc. Figure 3 It is a schematic view of the light emitting device according to the embodiment of the utility model, as Figure 4 As shown, the camera equipment outputs a control signal, the control signal is transmitted between the plurality of cascaded light emitting devices, all the light emitting devices are powered by AC 220V, and stable power supply is ensured for each device.

[0037] In the embodiment, the plurality of light emitting devices are cascaded to form the light emitting device, so that the number of light emitting devices included in the light emitting device can be dynamically adjusted according to requirements, the light emitting device can adapt to different application scenarios and requirement changes, the expansion of the device is improved, and at the same time, since the cascading connection mode only needs to connect the output interface of the former stage light emitting device to the input interface of the latter stage, the use amount of cables and the complexity of wiring are greatly reduced, and installation and maintenance are facilitated.

[0038] In an optional embodiment, the first signal output interface of the former stage light emitting device is connected with the first signal input interface of the latter stage light emitting device through a cable or plug-in mode, and the second signal output interface of the former stage light emitting device is connected with the second signal input interface of the latter stage light emitting device through a cable or plug-in mode.

[0039] The embodiment of the utility model further provides a camera equipment, including: a camera module and one of the following: the light emitting device; the light emitting device.

[0040] In an alternative embodiment, the camera device comprises a third output interface and a fourth output interface, wherein the third output interface is configured to output the configuration signal, and the fourth output interface is configured to output the control signal, the third output interface is connected to the first signal input interface of the light emitting device, and the fourth output interface is connected to the second signal input interface of the light emitting device.

[0041] The scheme of the present application will be described in detail below in combination with specific embodiments.

[0042] The scheme will be described in detail below taking the camera device comprising a snapshot camera (i.e., the aforementioned camera module) and a plurality of light supplement lamps (i.e., the aforementioned light emitting device) as an example, Figure 2 is a structural diagram of the light emitting device according to the embodiment of the present application Figure 4 As shown in FIG. 1, ALARM1 The snapshot camera outputs a configuration signal and an alarm signal (i.e., the aforementioned control signal) through two interfaces, and the plurality of light supplement lamps are cascaded, the snapshot camera outputs m alarm signals and 1 RS485 signal (i.e., the aforementioned configuration signal) to the light supplement lamp 1, the light supplement lamp 1 also outputs m alarm signals and 1 RS485 signal to the light supplement lamp 2, and so on, and the information is output to the light supplement lamp n. The RS485 signal is a logic truth table of the transmission alarm signal and the corresponding function, and the number of light supplement lamps is 6 as an example, and the logic truth table is shown in Table 2:

[0043] Table 2

[0044] ALARM2 ALARM3 Function All fill lights strobe 0 0 0 Fill light 1 flash 0 0 1 Fill light 2 flash 0 1 0 Fill light 3 flash 0 1 1 Fill light 4 flash 1 0 0 Fill light 5 flash 1 0 1 Fill light 6 flash 1 1 0 Idle 1 1 1 ​

[0045] In the embodiment, the alarm signal is 3 (i.e., m=3) signals, when the snapshot camera and the light supplement lamp are powered on, the snapshot camera assigns an address to the light supplement lamp through RS485, and sets the value of 3-bit ALARM corresponding to the function of the light supplement lamp. As shown in Table 2, ALARM1=0, ALARM2=0, ALARM3=1, indicating the strobe function of the light supplement lamp 1, the light supplement lamp 1 communicates with the cascaded light supplement lamp 2 through the RS485 interface, as shown in Table 2, ALARM1=0, ALARM2=1, ALARM3=0, indicating the strobe function of the light supplement lamp 2, and so on, the strobe function of the light supplement lamp 6 corresponds to the value of ALARM ALARM1=1, ALARM2=1, ALARM3=0, when ALARM1=1, ALARM2=1, ALARM3=1, indicating an idle state, and when ALARM1=0, ALARM2=0, ALARM3=0, indicating that the snapshot camera controls all the light supplement lamps to flash.

[0046] In this embodiment, the control signal transmission mode of the snapshot camera to the light supplement lamp is optimized by introducing the cascade connection and the RJ45 connector. The design not only improves the reliability and integrity of the signal transmission, but also significantly improves the construction efficiency, while maintaining the expansibility and flexibility of the system.

[0047] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the principles of the present application shall be included in the protection scope of the present application.

Claims

1. A light emitting device, characterized by, The light emitting device comprises: a first signal input interface, a second signal input interface, a control unit, a light emitting element, a first signal output interface and a second signal output interface, wherein the first signal input interface is configured to receive a configuration signal, the configuration signal being configured to configure a target correspondence relationship between a function mode of the light emitting device and a target control signal; the second signal input interface is configured to receive a target control signal; the control unit is configured to determine a target function mode corresponding to the target control signal from the target correspondence relationship, and control the light emitting element to work in the target function mode; the first signal output interface is configured to transmit the configuration signal to a next stage light emitting device; the second signal output interface is configured to transmit the target control signal to the next stage light emitting device.

2. The light emitting device of claim 1, wherein, The signal transmission speed of the second signal input interface is higher than that of the first signal input interface, and the signal transmission speed of the second signal output interface is higher than that of the first signal output interface.

3. The light emitting device of claim 1, wherein, The second signal input interface and the second signal output interface are connected to the control unit respectively, and the control unit is connected to the light emitting element.

4. The light emitting device of claim 1, wherein, The first signal input interface and the first signal output interface are connected to the control unit respectively, or the control unit is connected to the first signal input interface and the first signal output interface.

5. The light emitting device of claim 1, wherein The function mode of the light emitting device comprises at least one of the following: continuous light emission, stroboscopic, flash and extinguishing.

6. The light emitting device of claim 1, wherein The first signal input interface and the first signal output interface are of the same type, and the second signal input interface and the second signal output interface are of the same type.

7. A light-emitting device, characterized in that, The light emitting device comprises a plurality of light emitting devices as claimed in any one of claims 1 to 6, wherein the plurality of light emitting devices are cascaded, the first signal output interface of a previous stage light emitting device is connected to the first signal input interface of a next stage light emitting device, and the second signal output interface of the previous stage light emitting device is connected to the second signal input interface of the next stage light emitting device.

8. The light emitting device of claim 7, wherein The first signal output interface of the previous stage light emitting device is connected to the first signal input interface of the next stage light emitting device by a cable or plug-in mode, and the second signal output interface of the previous stage light emitting device is connected to the second signal input interface of the next stage light emitting device by a cable or plug-in mode.

9. An image pickup apparatus characterized by comprising: The light emitting device comprises: a camera module and one of the following: a light emitting device as claimed in any one of claims 1 to 6; a light emitting device as claimed in claim 7.

10. The apparatus according to claim 9, wherein The camera device comprises a third output interface and a fourth output interface, wherein the third output interface is configured to output the configuration signal, the fourth output interface is configured to output the control signal, the third output interface is connected to the first signal input interface of the light emitting device, and the fourth output interface is connected to the second signal input interface of the light emitting device.

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