CN-224233880-U - Light-emitting control device and fiber laser

CN224233880UCN 224233880 UCN224233880 UCN 224233880UCN-224233880-U

Abstract

The utility model discloses a light-emitting control device and an optical fiber laser. The device comprises a power supply control module, a drive enabling module, a light-emitting drive module and a drive control module, wherein an external power supply module is electrically connected with the input end of the light-emitting module through the power supply control module, the output end of the light-emitting module is electrically connected with the output end of the light-emitting drive module, the power supply control module outputs a power supply signal according to a power supply mode signal output by the external power supply module, the drive enabling module is electrically connected with the input end of the light-emitting drive module, the drive enabling module outputs a drive enabling signal to the light-emitting drive module according to a control instruction, the drive control module is electrically connected with the input end of the light-emitting drive module, the drive control module outputs a drive voltage signal to the light-emitting drive module, and the light-emitting drive module outputs a light-emitting control signal to the light-emitting module according to the drive enabling signal and the drive voltage signal.

Inventors

JIANG FENG
HU KUNMING
YANG QINGFENG

Assignees

深圳市创鑫激光股份有限公司
苏州创鑫激光科技有限公司
深圳市嘉鑫激光科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250417

Claims (10)

1. The light-emitting control device is characterized by comprising a power supply control module, a driving enabling module, a light-emitting driving module and a driving control module; The input end of the power supply control module is electrically connected with the external power supply module; the power supply control module is used for outputting a power supply signal to the light-emitting module according to a power supply mode signal output by the power supply module; The driving enabling module is electrically connected with the input end of the light-emitting driving module and is used for outputting a driving enabling signal to the light-emitting driving module according to a control instruction; the driving control module is electrically connected with the input end of the light-emitting driving module and is used for outputting a driving voltage signal to the light-emitting driving module; The light-emitting driving module is used for outputting a light-emitting control signal to the light-emitting module according to the driving enabling signal and the driving voltage signal.
2. The lighting control device of claim 1, wherein the power supply control module comprises a power supply control signal output unit and a power supply control unit; The power supply control signal output unit is used for outputting a power supply starting signal to the power supply control unit according to a power supply mode signal output by the external power supply module; The input end of the power supply control unit is electrically connected with the external power supply module, and the output end of the power supply control unit is electrically connected with the input end of the light-emitting module; the power supply control unit is used for converting the power supply mode signal into the power supply signal according to the power supply starting signal.
3. The lighting control device of claim 1, further comprising a voltage feedback module; The input end of the voltage feedback module is electrically connected with the first output end of the light-emitting driving module, the second output end of the light-emitting driving module is electrically connected with the output end of the light-emitting module, and the output end of the voltage feedback module is electrically connected with the input end of the driving control module; the voltage feedback module is used for converting a real-time luminous current signal flowing through the luminous module into a real-time voltage signal when the luminous control signal is output by the luminous driving module and feeding the real-time voltage signal back to the driving control module, and the driving control module is also used for adjusting the driving voltage signal in real time according to the real-time voltage signal and the reference voltage signal.
4. The light-emitting control device according to claim 2, wherein the power supply control signal output unit includes a first resistor, a second resistor, and a first transistor; The first end of the first resistor is used as an input end of the power supply control signal output unit and is electrically connected with the external power supply module, the second end of the first resistor is electrically connected with the first end of the second resistor and the control end of the first transistor, the second end of the second resistor and the second end of the first transistor are grounded, and the first end of the first transistor is used as an output end of the power supply control signal output unit; the power supply control unit comprises a third resistor, a fourth resistor and a second transistor; The first end of the third resistor is used as an input end of the power supply control unit and is electrically connected with the external power supply module and the first end of the second transistor, the second end of the third resistor is used as a control end of the power supply control unit and is electrically connected with the first end of the fourth resistor and the control end of the second transistor, the second end of the fourth resistor is grounded, and the second end of the second transistor is used as an output end of the power supply control unit.
5. The lighting control device of claim 1, wherein the drive control module comprises a reference voltage circuit, an operational amplification chip, an integrating circuit, a differentiating circuit, and a power supply filter circuit; The positive input end of the operational amplification chip is electrically connected with the reference voltage circuit, and the negative input end of the operational amplification chip is electrically connected with the output end of the operational amplification chip through the integrating circuit; The output end of the operational amplification chip is electrically connected with the input end of the differential circuit, the output end of the differential circuit is electrically connected with the input end of the light-emitting driving module, and the power end of the operational amplification chip is electrically connected with a voltage source through the power supply filter circuit.
6. The light-emitting control device according to claim 5, wherein the reference voltage circuit comprises a fifth resistor and a sixth resistor; The first end of the fifth resistor is electrically connected with a voltage source, the second end of the fifth resistor is electrically connected with the first end of the sixth resistor, the second end of the sixth resistor is grounded, and the second end of the fifth resistor is electrically connected with the positive input end of the operational amplifier chip.
7. The lighting control device of claim 5, wherein the integrating circuit comprises a seventh resistor and a first capacitor, the differentiating circuit comprises an eighth resistor and a second capacitor, the power filter circuit comprises a third capacitor, a fourth capacitor and a first inductor; The first end of the seventh resistor is electrically connected with the reverse input end of the operational amplification chip, the second end of the seventh resistor is electrically connected with the first end of the first capacitor, and the second end of the first capacitor is electrically connected with the output end of the operational amplification chip; The first end of the eighth resistor and the first end of the second capacitor are electrically connected with the output end of the operational amplification chip; the second end of the eighth resistor and the second end of the second capacitor are electrically connected with the input end of the light-emitting driving module; The first end of the third capacitor, the first end of the fourth capacitor and the first end of the first inductor are electrically connected with the power end of the operational amplification chip, the second end of the third capacitor and the second end of the fourth capacitor are grounded, and the second end of the first inductor is electrically connected with a voltage source.
8. The lighting control device of claim 3, wherein the voltage feedback module comprises a tenth resistor and an eleventh resistor; The first end of the tenth resistor is used as the input end of the voltage feedback module and is electrically connected with the first output end of the light-emitting driving module, the second end of the tenth resistor is grounded, the first end of the tenth resistor is also electrically connected with the first end of the eleventh resistor, and the second end of the eleventh resistor is used as the output end of the voltage feedback module and is electrically connected with the input end of the driving control module.
9. The light-emitting control device according to claim 8, wherein the driving enabling module comprises a third transistor and a pull-up resistor; The first end of the third transistor is used as the output end of the driving enabling module and is electrically connected with the control end of the fourth transistor, the second end of the third transistor is grounded, the control end of the third transistor is electrically connected with the first end of the pull-up resistor, the control end of the third transistor is used for receiving a control instruction, and the second end of the pull-up resistor is electrically connected with a voltage source; The first end of the fourth transistor is electrically connected with the first end of the tenth resistor, and the second end of the fourth transistor is electrically connected with the output end of the light emitting module.
10. A fiber laser comprising the light emission control device and the light emission module according to any one of claims 1 to 9.

Description

Light-emitting control device and fiber laser Technical Field The embodiment of the utility model relates to the field of light emission control, in particular to a light emission control device and an optical fiber laser. Background The light emitting module is widely applied to the fields of industrial processing, communication, medical treatment, scientific research and the like, and can realize light emitting indication through a light emitting control circuit and provide feedback for a user through an indicator lamp or other visual signals. The existing light-emitting control circuit has the following technical problems: When the light emitting module is powered on or powered off, the problem of light leakage can occur. In particular, there is a trend in the market for miniaturization of light emitting modules for marking, and thus, miniaturization of light emitting modules is required to be improved, and the size of light emitting modules is required to be smaller. Correspondingly, the luminous current of the luminous module is also smaller and smaller, and when the luminous module with small current is used, the control logic of the luminous module in the upper and lower power is loopholes, so that the phenomenon of light leakage of the luminous module is more obvious, and bad use experience can be caused when the luminous module is applied to marking. Disclosure of utility model The embodiment of the utility model provides a light-emitting control device and an optical fiber laser, which are used for effectively solving the problem of light leakage of a light-emitting module in the power-on or power-off process on the basis of normal light-emitting control. In order to achieve the above purpose, the embodiment of the utility model provides a light-emitting control device, which comprises a power supply control module, a driving enabling module, a light-emitting driving module and a driving control module; The input end of the power supply control module is electrically connected with the external power supply module; the power supply control module is used for outputting a power supply signal to the light-emitting module according to a power supply mode signal output by the power supply module; The driving enabling module is electrically connected with the input end of the light-emitting driving module and used for outputting a driving enabling signal to the light-emitting driving module; the driving control module is electrically connected with the input end of the light-emitting driving module and is used for outputting a driving voltage signal to the light-emitting driving module; The light-emitting driving module is used for outputting a light-emitting control signal to the light-emitting module according to the driving enabling signal and the driving voltage signal. Optionally, the power supply control module includes a power supply control signal output unit and a power supply control unit; The power supply control signal output unit is used for outputting a power supply starting signal to the power supply control unit according to a power supply mode signal output by the external power supply module; The input end of the power supply control unit is electrically connected with the external power supply module, and the output end of the power supply control unit is electrically connected with the input end of the light-emitting module; the power supply control unit is used for converting the power supply mode signal into the power supply signal according to the power supply starting signal. Optionally, the device also comprises a voltage feedback module; The input end of the voltage feedback module is electrically connected with the first output end of the light-emitting driving module, the second output end of the light-emitting driving module is electrically connected with the output end of the light-emitting module, and the output end of the voltage feedback module is electrically connected with the input end of the driving control module; the voltage feedback module is used for converting a real-time luminous current signal flowing through the luminous module into a real-time voltage signal when the luminous control signal is output by the luminous driving module and feeding the real-time voltage signal back to the driving control module, and the driving control module is also used for adjusting the driving voltage signal in real time according to the real-time voltage signal and the reference voltage signal. Optionally, the power supply control signal output unit includes a first resistor, a second resistor and a first transistor; The first end of the first resistor is used as an input end of the power supply control signal output unit and is electrically connected with the external power supply module, the second end of the first resistor is electrically connected with the first end of the second resistor and the control end of the first transistor, the second end of the second resistor