CN117596747B - Fault detection circuit for light supplementing lamp device and light supplementing lamp fault detection device - Google Patents
Fault detection circuit for light supplementing lamp device and light supplementing lamp fault detection device Download PDFInfo
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- CN117596747B CN117596747B CN202410077516.XA CN202410077516A CN117596747B CN 117596747 B CN117596747 B CN 117596747B CN 202410077516 A CN202410077516 A CN 202410077516A CN 117596747 B CN117596747 B CN 117596747B
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- 230000001502 supplementing effect Effects 0.000 title claims abstract description 88
- 238000004891 communication Methods 0.000 claims abstract description 94
- 239000003990 capacitor Substances 0.000 claims description 33
- 238000005259 measurement Methods 0.000 claims description 23
- 238000004880 explosion Methods 0.000 claims description 15
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- 238000012544 monitoring process Methods 0.000 description 11
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The invention discloses a fault detection circuit for a light supplementing lamp device and a light supplementing lamp fault detection device, and relates to the field of light supplementing lamp fault detection, wherein: the singlechip detection circuit is used for sending corresponding camera trigger analog signals to the detection circuits after power-on; the first detection circuit sends a converted camera trigger analog signal to a switching value signal interface in the light supplementing lamp device through a switching value terminal; the second detection circuit sends a converted camera trigger analog signal to a level quantity signal interface in the light supplementing lamp device through a level quantity terminal; the communication detection circuit is connected with the communication interface in the light supplementing lamp device through the communication detection terminal, and controls the third indicator lamp to light when receiving the heartbeat reply returned by the light supplementing lamp device through the communication interface, namely the detection of the switching value signal interface, the level value signal interface and the communication interface in the light supplementing lamp device is realized through the plurality of detection circuits.
Description
Technical Field
The present invention relates to the field of fault detection of a light compensating lamp, and in particular, to a fault detection circuit and a fault detection device for a light compensating lamp.
Background
The image monitoring light supplementing lamp device needs to be matched with the camera for use, receives a control signal of the camera, and controls the on and off of the light supplementing lamp according to the frequency, the duty ratio and the like of the control signal. The interface types of the camera and the image monitoring light filling lamp device generally comprise switching value signals, level value signals and RS485 communication interfaces, the camera and the image monitoring light filling lamp device are all installed on an outdoor portal or a vertical rod, power is supplied through an AC220V, when the camera and the image monitoring light filling lamp device are actually installed on site, constructors do not conduct grounding treatment on the camera and the image monitoring light filling lamp device generally, in addition, the camera and the image monitoring light filling lamp device are all subjected to safety design according to national standard requirements, namely, the ground wires of the camera and the image monitoring light filling lamp device are connected with L and N of the AC220V through safety capacitors, so that the interface signals of the camera and the image monitoring light filling lamp device can be interfered by power supply wiring, radiation and other reasons, the light filling lamp device cannot work normally, and in such cases, the fault judgment is often misjudgment as light filling lamp fault, replacement and the like can be conducted on the light filling lamp device, and the situation is quite common. The investigation of the prior art to the light filling lamp device is comparatively complicated, needs professional technicians to carry out problem detection through modes such as oscilloscope measurement. In addition, the existing fault checking mode is difficult to locate a specific fault position, and most of the problems are solved by directly replacing the image monitoring light supplementing lamp device. Meanwhile, a technician carries an oscilloscope, the technician ascends to the position of the light supplementing lamp device through the ascending vehicle, the output signal of the light supplementing lamp device is measured, and then the fault point is judged through waveforms.
Disclosure of Invention
In order to quickly locate a fault position and reduce the difficulty of troubleshooting when troubleshooting a light supplementing lamp device, the invention provides a fault detection circuit for the light supplementing lamp device, which is configured in the light supplementing lamp fault detection device, wherein the light supplementing lamp fault detection device comprises a shell; the light filling lamp device comprises a switching value signal interface and/or a level quantity signal interface and/or a communication interface, and the fault detection circuit comprises:
a power supply;
a singlechip detection circuit;
the self-locking switch circuit comprises a signal detection switch arranged on the shell and is used for controlling the power supply to output the output state of the electric energy to the singlechip detection circuit based on the opening and closing state of the signal detection switch;
the communication detection circuit is connected with the singlechip detection circuit and the plurality of signal detection circuits; wherein:
the singlechip detection circuit is used for sending corresponding camera trigger analog signals to the detection circuits after power-on;
each signal detection circuit comprises a first detection circuit and a second detection circuit;
the first detection circuit comprises a switching value terminal and a first indicator lamp which are arranged on the shell, and is used for receiving and converting a corresponding camera trigger analog signal and sending a converted camera trigger analog signal to a switching value signal interface in the light supplementing lamp device through the switching value terminal; when the switching value terminal and a switching value signal interface in the light supplementing lamp device form a loop, the first indicator lamp is lighted;
The second detection circuit comprises a level measurement terminal and a second indicator lamp which are arranged on the shell, and is used for receiving and converting a corresponding camera trigger analog signal and sending a converted camera trigger analog signal to a level measurement signal interface in the light supplementing lamp device through the level measurement terminal; when the level measuring terminal and the level measuring signal interface in the light supplementing lamp device form a loop, the second indicator lamp is lighted;
the communication detection circuit comprises a communication detection terminal and a third indicator lamp, wherein the communication detection terminal is arranged on the shell, the communication detection circuit is connected with a communication interface in the light supplementing lamp device through the communication detection terminal, and sends a corresponding camera trigger analog signal to the communication interface in the light supplementing lamp device through the communication detection terminal, and when receiving a heartbeat reply returned by the light supplementing lamp device through the communication interface, the communication detection circuit controls the third indicator lamp to light.
Further, the plurality of signal detection circuits specifically include: a strobe signal detection circuit and a burst signal detection circuit.
Further, the camera trigger analog signal sent by the singlechip detection circuit comprises:
the stroboscopic analog signal corresponding to the stroboscopic signal detection circuit;
The explosion flash signal detection circuit is used for detecting an explosion flash analog signal corresponding to the explosion flash signal detection circuit;
and the communication detection circuit corresponds to the heartbeat command.
Further, the strobe analog signal is an analog signal of 100 HZ; the explosion flash analog signal is an analog signal of 1 HZ;
the first detection circuit in the stroboscopic signal detection circuit is used for converting the stroboscopic analog signal into a switching value signal of 100HZ, and sending the switching value signal of 100HZ to the switching value signal interface in the light supplementing lamp device through the switching value terminal;
the second detection circuit in the stroboscopic signal detection circuit is used for converting the stroboscopic analog signal into a level quantity signal of 100HZ, and sending the level quantity signal of 100HZ to a level quantity signal interface in the light supplementing lamp device through a level quantity terminal;
the first detection circuit in the burst signal detection circuit is used for converting a burst analog signal into a switching value signal of 1HZ and sending the switching value signal of 1HZ to a switching value signal interface in the light supplementing lamp device through a switching value terminal;
the second detection circuit in the burst signal detection circuit is used for converting the burst analog signal into a level quantity signal of 1HZ, and sending the level quantity signal of 1HZ to a level quantity signal interface in the light supplementing lamp device through a level quantity terminal.
Further, the singlechip detection circuit comprises:
the third chip U3, the fourth capacitor C4 and the fifth capacitor C5; the fourth pin of the third chip U3 is connected with the first power supply +3.3V, the fifth pin is grounded, the eighth pin is connected with one end of a seventh resistor R7, the other end of the seventh resistor R7 is connected with the negative electrode end of a third indicator light LED1 in the communication detection circuit, and the positive electrode end of the third indicator light LED1 is connected with the first power supply +3.3V; the ninth pin, the tenth pin and the eleventh pin of the third chip U3 are all connected with a communication detection circuit; a thirteenth pin of the third chip U3 is connected to the flash signal detection circuit, a fifteenth pin of the third chip U3 is connected to the flash signal detection circuit, a nineteenth pin of the third chip U3 is connected with one end of a fifth resistor R5, and the other end of the fifth resistor R5 is grounded; the fourth capacitor C4 is connected in parallel with the fifth capacitor C5, one of the parallel connection ends is grounded, and the other parallel connection end is connected to the first power supply +3.3V.
Further, in the first detection circuit of the strobe signal detection circuit, the switching value terminal CN2 includes a first switching value terminal and a second switching value terminal, and the first detection circuit includes:
a fourth optocoupler U4; the VCC pin of the fourth optical coupler U4 is connected with one end of a fourth resistor R4, the other end of the fourth resistor R4 is connected with a first power supply +3.3V, the input pin of the fourth optical coupler U4 is connected with a fifteenth pin in the singlechip detection circuit, the GND pin of the fourth optical coupler U4 is connected with the positive electrode end of a first indicator light LED2, the negative electrode end of the first indicator light LED2 is grounded and then connected with a second switching value terminal, and the output pin of the fourth optical coupler U4 is connected with a first switching value terminal;
In the second detection circuit of the strobe signal detection circuit, the level measuring terminal CN3 includes a first level measuring terminal and a second level measuring terminal, and the second detection circuit includes:
a fifth optocoupler U5; the VCC pin of the fifth optocoupler U5 is connected with one end of a sixth resistor R6, the other end of the sixth resistor R6 is connected with a first power supply +3.3V, the input pin of the fifth optocoupler U5 is connected with a fifteenth pin in the singlechip detection circuit, and the output pin of the fifth optocoupler U5 is connected with a first level measurement terminal; the second level measuring terminal is connected with the positive electrode end of the second indicator light LED3, and the negative electrode end of the second indicator light LED3 is grounded; and a power supply pin of the fifth optical coupler U5 is connected to a second power supply +5V.
Further, in the first detection circuit of the burst signal detection circuit, the switching value terminal CN4 includes a first switching value terminal and a second switching value terminal, and the first detection circuit includes:
a sixth optocoupler U6; the VCC pin of the sixth optocoupler U6 is connected with one end of an eighth resistor R8, the other end of the eighth resistor R8 is connected with a first power supply +3.3V, the input pin of the sixth optocoupler U6 is connected with a thirteenth pin in the singlechip detection circuit, the GND pin of the sixth optocoupler U6 is connected with the positive electrode end of a first indicator light LED4, the negative electrode end of the first indicator light LED4 is grounded and then connected with a second switching value terminal, and the output pin of the sixth optocoupler U6 is connected with a first switching value terminal;
In the second detection circuit of the burst signal detection circuit, the level measurement terminal CN5 includes a first level measurement terminal and a second level measurement terminal, and the second detection circuit includes:
an eighth optocoupler U8; the VCC pin of the eighth optocoupler U8 is connected with one end of an eleventh resistor R11, the other end of the eleventh resistor R11 is connected with a first power supply +3.3V, the input pin of the eighth optocoupler U8 is connected with a thirteenth pin in the singlechip detection circuit, and the output pin of the eighth optocoupler U8 is connected with a first level measurement terminal; the second level measuring terminal is connected with the positive electrode end of the second indicator light LED5, and the negative electrode end of the second indicator light LED5 is grounded; and a power supply pin of the eighth optocoupler U8 is connected to a second power supply +5V.
Further, in the communication detection circuit, the communication detection terminal includes a first communication detection terminal and a second communication detection terminal; the communication detection circuit includes:
485 interface chip U7; the first pin of the 485 interface chip U7 is connected with the tenth pin of the third chip U3 in the singlechip detection circuit, the second pin is connected with one end of a thirteenth resistor R13 after being connected with the third pin of the 485 interface chip U7, and the other end of the thirteenth resistor R13 is grounded; the fourth pin of the 485 interface chip U7 is connected to the ninth pin of the third chip U3 in the singlechip detection circuit; the fifth pin of the 485 interface chip U7 is grounded, and the sixth pin is connected with one end of the fourteenth resistor R14 and one end of the ninth capacitor C9 in sequence and then connected with one end of the twelfth resistor R12; the other end of the fourteenth resistor R14 is connected with a first power supply +3.3V, the other end of the ninth capacitor C9 is grounded, and the other end of the twelfth resistor R12 is connected with a second communication detection terminal; a seventh pin of the 485 interface chip U7 is connected with one end of a ninth resistor R9 and one end of a seventh capacitor C7 and then connected with one end of a tenth resistor R10; the other end of the ninth resistor R9 is connected with the other end of the seventh capacitor C7 and then grounded, and the other end of the tenth resistor R10 is connected to a first communication detection terminal; the eighth pin of the 485 interface chip U7 is connected with one end of an eighth capacitor C8 while being connected with a first power supply +3.3V, and the other end of the eighth capacitor C8 is grounded.
The invention also provides a light supplementing lamp fault detection device, which comprises the fault detection circuit for the light supplementing lamp device and a shell, wherein the fault detection circuit is used for the light supplementing lamp device; the shell is provided with a containing cavity, a circuit board with the fault detection circuit is arranged in the containing cavity, a laser emitter extending out of the shell, a laser control switch electrically connected with the laser emitter and extending out of the shell, and the axis of the laser emitter is parallel to the axis of the shell.
Further, the accommodating cavity is internally provided with an adsorption structure, the adsorption structure comprises a connecting rod horizontally moving relative to the shell and a sucker arranged at the end part of the connecting rod, an elastic piece is arranged between the connecting rod and the shell, when the connecting rod is pressed to move along the horizontal direction of the shell, the sucker synchronously stretches out of the accommodating cavity or retracts into the accommodating cavity, when the sucker stretches out, the shell is fixed on an adsorbate, and when the sucker retracts, the shell releases the fixation of the adsorbate.
Compared with the prior art, the invention at least has the following beneficial effects:
(1) The singlechip detection circuit is used for sending corresponding camera trigger analog signals to each detection circuit after power-on; the first detection circuit sends a converted camera trigger analog signal to a switching value signal interface in the light supplementing lamp device through a switching value terminal; when the switching value terminal and a switching value signal interface in the light supplementing lamp device form a loop, the first indicator lamp is lighted; the second detection circuit sends a converted camera trigger analog signal to a level quantity signal interface in the light supplementing lamp device through a level quantity terminal; when the level measuring terminal and the level measuring signal interface in the light supplementing lamp device form a loop, the second indicator lamp is lighted; the communication detection circuit is connected with a communication interface in the light supplementing lamp device through a communication detection terminal and controls the third indicator lamp to be turned on when receiving heartbeat reply returned by the light supplementing lamp device through the communication interface, namely the detection of a switching value signal interface, a level quantity signal interface and the communication interface in the light supplementing lamp device is realized through a plurality of detection circuits, the fault position can be quickly positioned by checking the on state of the indicator lamp, the use of an oscilloscope is avoided, the difficulty of fault judgment is reduced, and the efficiency of fault detection is improved;
(2) The fault detection circuit comprises a stroboscopic signal detection circuit and an explosion signal detection circuit, can be used for detecting a stroboscopic or explosion type light supplementing lamp device, and has higher universality.
Drawings
Fig. 1 is a block diagram of a fault detection circuit for a light filling lamp device;
FIG. 2 is a diagram of a singlechip detection circuit;
FIG. 3 is a first detection circuit diagram of the strobe signal detection circuit;
FIG. 4 is a second detection circuit diagram of the strobe signal detection circuit;
FIG. 5 is a first detection circuit diagram of the burst signal detection circuit;
FIG. 6 is a second detection circuit diagram of the burst signal detection circuit;
FIG. 7 is a communication detection circuit diagram;
FIG. 8 is a circuit diagram of a self-locking switch in a fault detection circuit;
fig. 9 is a constant current supply circuit diagram in the fault detection circuit;
fig. 10 is a cross-sectional view of the light supplement lamp failure detection device;
fig. 11 is an overall schematic diagram of the light-compensating lamp failure detection device.
In the figure:
101. a circuit board; 102. a housing; 103. a laser emitter; 104. a connecting rod; 105. an elastic member; 106. a laser control switch; 107. a signal detection switch; 108. a tension spring; 109. a suction cup; 110. an indicator light; 111. a terminal interface; 112. a handle; 113. a safety rope; 114. TYPE-C port.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
In order to quickly locate a fault position of a light supplementing lamp device, avoid the use of an oscilloscope, reduce the difficulty of fault judgment and improve the efficiency and accuracy of fault detection, as shown in fig. 1, the invention provides a fault detection circuit for the light supplementing lamp device, which is configured in the light supplementing lamp fault detection device, wherein the light supplementing lamp fault detection device comprises a shell; the light filling lamp device comprises a switching value signal interface and/or a level quantity signal interface and/or a communication interface, and the fault detection circuit comprises:
a power supply;
a singlechip detection circuit as shown in fig. 2; the singlechip detection circuit comprises:
the third chip U3, the fourth capacitor C4 and the fifth capacitor C5; the fourth pin of the third chip U3 is connected with the first power supply +3.3V, the fifth pin is grounded, the eighth pin is connected with one end of a seventh resistor R7, the other end of the seventh resistor R7 is connected with the negative electrode end of a third indicator light LED1 in the communication detection circuit, and the positive electrode end of the third indicator light LED1 is connected with the first power supply +3.3V; the ninth pin, the tenth pin and the eleventh pin of the third chip U3 are all connected with a communication detection circuit; a thirteenth pin of the third chip U3 is connected to the flash signal detection circuit, a fifteenth pin of the third chip U3 is connected to the flash signal detection circuit, a nineteenth pin of the third chip U3 is connected with one end of a fifth resistor R5, and the other end of the fifth resistor R5 is grounded; the fourth capacitor C4 is connected in parallel with the fifth capacitor C5, one of the parallel connection ends is grounded, and the other parallel connection end is connected to the first power supply +3.3V.
The self-locking switch circuit shown in fig. 8 comprises a signal detection switch (i.e. CN1 in fig. 8) arranged on the shell, and is used for controlling the output state of the power supply to output electric energy to the single-chip microcomputer detection circuit based on the on-off state of the signal detection switch; it should be noted that, as shown in fig. 8, the self-locking switch circuit specifically includes a constant voltage power supply circuit and a signal detection switch, the constant voltage power supply circuit is connected with the power BT1, and the constant voltage power supply circuit controls the output state of the power supply to output electric energy to the single chip microcomputer detection circuit based on the on-off state of the signal detection switch;
the communication detection circuit is connected with the singlechip detection circuit and the plurality of signal detection circuits; wherein:
the singlechip detection circuit is used for sending corresponding camera trigger analog signals to the detection circuits after power-on;
each signal detection circuit comprises a first detection circuit and a second detection circuit;
the first detection circuit comprises a switching value terminal and a first indicator lamp which are arranged on the shell, and is used for receiving and converting a corresponding camera trigger analog signal and sending a converted camera trigger analog signal to a switching value signal interface in the light supplementing lamp device through the switching value terminal; when the switching value terminal and a switching value signal interface in the light supplementing lamp device form a loop, the first indicator lamp is lighted;
The second detection circuit comprises a level measurement terminal and a second indicator lamp which are arranged on the shell, and is used for receiving and converting a corresponding camera trigger analog signal and sending a converted camera trigger analog signal to a level measurement signal interface in the light supplementing lamp device through the level measurement terminal; when the level measuring terminal and the level measuring signal interface in the light supplementing lamp device form a loop, the second indicator lamp is lighted;
the communication detection circuit comprises a communication detection terminal and a third indicator lamp, wherein the communication detection terminal is arranged on the shell, the communication detection circuit is connected with a communication interface in the light supplementing lamp device through the communication detection terminal, and sends a corresponding camera trigger analog signal to the communication interface in the light supplementing lamp device through the communication detection terminal, and when receiving a heartbeat reply returned by the light supplementing lamp device through the communication interface, the communication detection circuit controls the third indicator lamp to light.
In the communication detection circuit, the communication detection terminal comprises a first communication detection terminal and a second communication detection terminal; as shown in fig. 7, the communication detection circuit includes:
485 interface chip U7; the first pin of the 485 interface chip U7 is connected with the tenth pin of the third chip U3 in the singlechip detection circuit, the second pin is connected with one end of a thirteenth resistor R13 after being connected with the third pin of the 485 interface chip U7, and the other end of the thirteenth resistor R13 is grounded; the fourth pin of the 485 interface chip U7 is connected to the ninth pin of the third chip U3 in the singlechip detection circuit; the fifth pin of the 485 interface chip U7 is grounded, and the sixth pin is connected with one end of the fourteenth resistor R14 and one end of the ninth capacitor C9 in sequence and then connected with one end of the twelfth resistor R12; the other end of the fourteenth resistor R14 is connected with a first power supply +3.3V, the other end of the ninth capacitor C9 is grounded, and the other end of the twelfth resistor R12 is connected with a second communication detection terminal; a seventh pin of the 485 interface chip U7 is connected with one end of a ninth resistor R9 and one end of a seventh capacitor C7 and then connected with one end of a tenth resistor R10; the other end of the ninth resistor R9 is connected with the other end of the seventh capacitor C7 and then grounded, and the other end of the tenth resistor R10 is connected to a first communication detection terminal; the eighth pin of the 485 interface chip U7 is connected with one end of an eighth capacitor C8 while being connected with a first power supply +3.3V, and the other end of the eighth capacitor C8 is grounded.
The plurality of signal detection circuits specifically include: a strobe signal detection circuit and a burst signal detection circuit.
The camera trigger analog signal sent by the singlechip detection circuit comprises:
the stroboscopic analog signal corresponding to the stroboscopic signal detection circuit;
the explosion flash signal detection circuit is used for detecting an explosion flash analog signal corresponding to the explosion flash signal detection circuit;
and the communication detection circuit corresponds to the heartbeat command.
In the first detection circuit of the strobe signal detection circuit, the switching value terminal CN2 includes a first switching value terminal and a second switching value terminal, as shown in fig. 3, the first detection circuit includes:
a fourth optocoupler U4; the VCC pin of the fourth optical coupler U4 is connected with one end of a fourth resistor R4, the other end of the fourth resistor R4 is connected with a first power supply +3.3V, the input pin of the fourth optical coupler U4 is connected with a fifteenth pin in the singlechip detection circuit, the GND pin of the fourth optical coupler U4 is connected with the positive electrode end of a first indicator light LED2, the negative electrode end of the first indicator light LED2 is grounded and then connected with a second switching value terminal, and the output pin of the fourth optical coupler U4 is connected with a first switching value terminal;
in the second detection circuit of the strobe signal detection circuit, the level measuring terminal CN3 includes a first level measuring terminal and a second level measuring terminal, as shown in fig. 4, and the second detection circuit includes:
A fifth optocoupler U5; the VCC pin of the fifth optocoupler U5 is connected with one end of a sixth resistor R6, the other end of the sixth resistor R6 is connected with a first power supply +3.3V, the input pin of the fifth optocoupler U5 is connected with a fifteenth pin in the singlechip detection circuit, and the output pin of the fifth optocoupler U5 is connected with a first level measurement terminal; the second level measuring terminal is connected with the positive electrode end of the second indicator light LED3, and the negative electrode end of the second indicator light LED3 is grounded; and a power supply pin of the fifth optical coupler U5 is connected to a second power supply +5V.
The stroboscopic analog signal is an analog signal of 100 HZ;
the first detection circuit in the stroboscopic signal detection circuit is used for converting the stroboscopic analog signal into a switching value signal of 100HZ, and sending the switching value signal of 100HZ to the switching value signal interface in the light supplementing lamp device through the switching value terminal;
the second detection circuit in the stroboscopic signal detection circuit is used for converting the stroboscopic analog signal into a level quantity signal of 100HZ, and sending the level quantity signal of 100HZ to a level quantity signal interface in the light supplementing lamp device through a level quantity terminal;
when the light supplementing lamp device to be detected is of a stroboscopic type, the switching value terminal CN2 of the stroboscopic signal detecting circuit is connected to the switching value signal interface of the light supplementing lamp device, the level value terminal CN3 is connected to the level value signal interface of the light supplementing lamp device, the communication detecting terminal in the communication detecting circuit is connected to the communication interface of the light supplementing lamp device, and after the connection is completed, the signal detecting switch is closed, at this time, the single chip microcomputer detecting circuit sends stroboscopic analog signals to the first detecting circuit and the second detecting circuit of the stroboscopic signal detecting circuit, sends a heartbeat command to the communication detecting circuit, if the first indicating lamp LED2 is lighted, the switching value signal interface is normally communicated, if the second indicating lamp LED3 is lighted, the level value signal interface is normally communicated, and if the third indicating lamp LED1 is lighted, the communication interface is normally (not lighted, the corresponding interface is abnormally indicated).
In the first detection circuit of the burst signal detection circuit, the switching value terminal CN4 includes a first switching value terminal and a second switching value terminal, as shown in fig. 5, and the first detection circuit includes:
a sixth optocoupler U6; the VCC pin of the sixth optocoupler U6 is connected with one end of an eighth resistor R8, the other end of the eighth resistor R8 is connected with a first power supply +3.3V, the input pin of the sixth optocoupler U6 is connected with a thirteenth pin in the singlechip detection circuit, the GND pin of the sixth optocoupler U6 is connected with the positive electrode end of a first indicator light LED4, the negative electrode end of the first indicator light LED4 is grounded and then connected with a second switching value terminal, and the output pin of the sixth optocoupler U6 is connected with a first switching value terminal;
in the second detection circuit of the burst signal detection circuit, the level measurement terminal CN5 includes a first level measurement terminal and a second level measurement terminal, as shown in fig. 6, and the second detection circuit includes:
an eighth optocoupler U8; the VCC pin of the eighth optocoupler U8 is connected with one end of an eleventh resistor R11, the other end of the eleventh resistor R11 is connected with a first power supply +3.3V, the input pin of the eighth optocoupler U8 is connected with a thirteenth pin in the singlechip detection circuit, and the output pin of the eighth optocoupler U8 is connected with a first level measurement terminal; the second level measuring terminal is connected with the positive electrode end of the second indicator light LED5, and the negative electrode end of the second indicator light LED5 is grounded; and a power supply pin of the eighth optocoupler U8 is connected to a second power supply +5V.
The explosion flash analog signal is an analog signal of 1 HZ;
the first detection circuit in the burst signal detection circuit is used for converting a burst analog signal into a switching value signal of 1HZ and sending the switching value signal of 1HZ to a switching value signal interface in the light supplementing lamp device through a switching value terminal;
the second detection circuit in the burst signal detection circuit is used for converting the burst analog signal into a level quantity signal of 1HZ, and sending the level quantity signal of 1HZ to a level quantity signal interface in the light supplementing lamp device through a level quantity terminal.
When the light supplementing lamp device to be detected is of the burst type, the switching value terminal CN4 of the burst signal detecting circuit is connected to the switching value signal interface of the light supplementing lamp device, the level value terminal CN5 is connected to the level value signal interface of the light supplementing lamp device, the communication detecting terminal in the communication detecting circuit is connected to the communication interface of the light supplementing lamp device, after connection, the signal detecting switch is closed, at this time, the single chip microcomputer detecting circuit sends burst analog signals to the first detecting circuit and the second detecting circuit of the burst signal detecting circuit, sends a heartbeat command to the communication detecting circuit, if the first indicator lamp LED4 is lighted, the switching value signal interface is normally communicated, if the second indicator lamp LED5 is lighted, the level value signal interface is normally communicated, and if the third indicator lamp LED1 is lighted, the communication interface is normally (if the third indicator lamp LED1 is not lighted, the corresponding interface is abnormal).
The singlechip detection circuit is used for sending corresponding camera trigger analog signals to each detection circuit after power-on; the first detection circuit sends a converted camera trigger analog signal to a switching value signal interface in the light supplementing lamp device through a switching value terminal; when the switching value terminal and a switching value signal interface in the light supplementing lamp device form a loop, the first indicator lamp is lighted; the second detection circuit sends a converted camera trigger analog signal to a level quantity signal interface in the light supplementing lamp device through a level quantity terminal; when the level measuring terminal and the level measuring signal interface in the light supplementing lamp device form a loop, the second indicator lamp is lighted; the communication detection circuit is connected with the communication interface in the light supplementing lamp device through the communication detection terminal, and controls the third indicator lamp to be turned on when receiving the heartbeat reply returned by the light supplementing lamp device through the communication interface, namely the detection of the switching value signal interface, the level value signal interface and the communication interface in the light supplementing lamp device is realized through the plurality of detection circuits, the fault position can be quickly positioned by checking the on state of the indicator lamp, the use of an oscilloscope is avoided, the difficulty of fault judgment is reduced, and the efficiency of fault detection is improved.
The embodiment of the invention also provides a light supplementing lamp fault detection device, which comprises a shell 102, wherein the shell 102 is provided with a cylindrical accommodating cavity, and a circuit board 101 with the fault detection circuit is arranged in the accommodating cavity, so that a user can directly perform fault detection on the image monitoring light supplementing device through the light supplementing lamp fault detection device, and the efficiency of installation and debugging is greatly improved.
Specifically, in the present embodiment, as shown in fig. 10 and 11, the housing 102 is further provided with a signal detection switch 107 (shown as CN1 in fig. 8 in a circuit diagram), a terminal interface 111, a TYPE-C port 114, and an indicator lamp 110, wherein the terminal interface 111 includes a switching value terminal, a level value terminal, and a communication detection terminal, and the indicator lamp 110 includes a first indicator lamp, a second indicator lamp, and a third indicator lamp; the TYPE-C port 114 is electrically connected to the power BT1 and is a charging interface.
It should be noted that, in this embodiment, the fault detection circuit specifically includes a strobe signal detection circuit and a burst signal detection circuit, where: the strobe signal detection circuit comprises a first indicator light LED2 and a second indicator light LED3, the explosion signal detection circuit comprises a first indicator light LED4 and a second indicator light LED5, and the communication detection circuit comprises a third indicator light LED1.
The fault detection circuit in this embodiment further includes: a constant current power supply circuit as shown in fig. 9 includes a laser control switch 106 (embodied as CN7 in fig. 9 in a circuit diagram).
At present, the angle adjustment of the light supplementing lamp device mainly realizes the adjustment of the light spot irradiation position through a handheld laser pen, and the method has the problem of large laser emission angle error.
For realizing the accurate regulation to the light filling lamp device spot irradiation position, in this embodiment, should hold the intracavity and still be provided with and stretch out the laser emitter 103 outside the casing 102, and with this laser emitter 103 electricity is connected and stretch out the external laser control switch 106 of casing 102, and the axis of this laser emitter 103 is parallel with the axis of this casing 102 for the straightness error of straightness that hangs down of laser emitter 103 and casing 102 bottom surface <.+ -. 1, the problem that the angle error of emission that has effectively avoided handheld laser emitter 103 to lead to is big, thereby effectively guaranteed the accuracy of debugging image monitoring light filling device spot irradiation position.
Preferably, in this embodiment, the laser control switch 106 is disposed adjacent to the signal detection switch 107 and independent from the signal detection switch 107, so that on one hand, convenience of operating the switch by a user is improved, and on the other hand, the user can use the laser debugging and signal detection functions simultaneously or respectively, thereby realizing multi-scenario use of the light filling lamp fault detection device.
The constant current power supply circuit is connected with the power BT1, and based on the on/off state of the laser control switch 106, the constant current power supply circuit controls the output state of the power supply to output electric energy to the laser emitter 103: when the laser control switch 106 is closed, the power supply outputs electric energy to the laser emitter 103, and when the laser control switch 106 is opened, the power supply stops outputting electric energy to the laser emitter 103.
In order to further improve the convenience of user debugging or detection, as shown in fig. 10, in this embodiment, an adsorption structure is further disposed in the accommodating cavity, where the adsorption structure includes a connecting rod 104 that moves horizontally relative to the housing, and a suction cup 109 disposed at an end of the connecting rod 104, and an elastic member 105 is disposed between the connecting rod 104 and the housing 102, when the connecting rod 104 is pressed to move along the horizontal direction of the housing 102, the suction cup 109 synchronously extends out of the accommodating cavity or retracts into the accommodating cavity, and when the suction cup 109 extends out, the housing 102 is fixed on an adsorbate, and when the suction cup 109 retracts, the housing 102 is released from the fixation with the adsorbate; make light filling lamp fault detection device accessible adsorption structure be fixed in on the front shroud of light filling lamp device to make the user need not hand device, liberated user's both hands, effectively improved convenience and efficiency that the user debugs or detects.
Preferably, in this embodiment, the adsorption structure is located at a middle position inside the accommodating cavity and is parallel to the axis of the housing 102, so that not only is the levelness of the housing 102 fixed, but also the utilization of the space inside the accommodating cavity is effectively improved.
In this embodiment, one end of the connecting rod 104 is connected with the sucking disc 109, the other end is connected with the inner wall of the accommodating cavity, and the elastic member 105 is located between one end of the connecting rod 104 away from the sucking disc 109 and the inner wall of the accommodating cavity, so that when a user presses the corresponding position of the shell 102 and the connecting rod 104, the connecting rod 104 can drive the sucking disc 109 to extend out of the accommodating cavity to be attached to the adsorbate, thereby realizing the fixation of the shell 102; and drives the connecting rod 104 to reset after the user releases the housing 102.
In order to achieve the stretchability of the suction cup 109, in this embodiment, a tension spring 108 is further disposed between the connecting rod 104 and the suction cup 109, so that after the connecting rod 104 is reset, the suction cup 109 can still be attached to the adsorbate, and the stability of fixing the housing 102 is ensured.
In order to achieve the convenience of removing the suction cup 109, in this embodiment, a handle 112 is disposed at one end of the suction cup 109 facing away from the connecting rod 104, the handle 112 extends along a direction away from the suction cup 109, when the user needs to remove the fixing of the housing 102, the handle 112 is pulled to enable external air to enter between the suction cup 109 and the adsorbate, and separation of the suction cup 109 and the adsorbate can be achieved, so that the fixing of the housing 102 is removed.
In order to further improve the safety of the use process of the housing, in this embodiment, the housing 102 is further provided with a safety rope 113, one end of the safety rope 113 is detachably connected with the housing 102, and the other end forms a loop-shaped lasso, so that a user can bind on the hand or body, thereby avoiding the risk of falling off the housing in the use process.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
Claims (8)
1. A fault detection circuit for a light-compensating lamp device, configured in a light-compensating lamp fault detection device, the light-compensating lamp fault detection device comprising a housing; the light filling lamp device includes switching value signal interface and level volume signal interface and communication interface, its characterized in that, the fault detection circuit includes:
A power supply;
a singlechip detection circuit;
the self-locking switch circuit comprises a signal detection switch arranged on the shell and is used for controlling the power supply to output the output state of the electric energy to the singlechip detection circuit based on the opening and closing state of the signal detection switch;
the communication detection circuit is connected with the singlechip detection circuit and the plurality of signal detection circuits; wherein:
the plurality of signal detection circuits specifically include: a strobe signal detection circuit and a burst signal detection circuit;
the singlechip detection circuit is used for sending corresponding camera trigger analog signals to the detection circuits after power-on;
each signal detection circuit comprises a first detection circuit and a second detection circuit;
the first detection circuit comprises a switching value terminal and a first indicator lamp which are arranged on the shell, and is used for receiving and converting a corresponding camera trigger analog signal and sending a converted camera trigger analog signal to a switching value signal interface in the light supplementing lamp device through the switching value terminal; when the switching value terminal and a switching value signal interface in the light supplementing lamp device form a loop, the first indicator lamp is lighted;
the second detection circuit comprises a level measurement terminal and a second indicator lamp which are arranged on the shell, and is used for receiving and converting a corresponding camera trigger analog signal and sending a converted camera trigger analog signal to a level measurement signal interface in the light supplementing lamp device through the level measurement terminal; when the level measuring terminal and the level measuring signal interface in the light supplementing lamp device form a loop, the second indicator lamp is lighted;
The communication detection circuit comprises a communication detection terminal and a third indicator lamp which are arranged on the shell, the communication detection circuit is connected with a communication interface in the light supplementing lamp device through the communication detection terminal, sends a corresponding camera triggering analog signal to the communication interface in the light supplementing lamp device through the communication detection terminal, and controls the third indicator lamp to light when receiving a heartbeat reply returned by the light supplementing lamp device through the communication interface;
the camera trigger analog signal sent by the singlechip detection circuit comprises:
the stroboscopic analog signal corresponding to the stroboscopic signal detection circuit;
the explosion flash signal detection circuit is used for detecting an explosion flash analog signal corresponding to the explosion flash signal detection circuit;
and the communication detection circuit corresponds to the heartbeat command.
2. The fault detection circuit for a light filling lamp device according to claim 1, wherein the strobe analog signal is an analog signal of 100 HZ; the explosion flash analog signal is an analog signal of 1 HZ;
the first detection circuit in the stroboscopic signal detection circuit is used for converting the stroboscopic analog signal into a switching value signal of 100HZ, and sending the switching value signal of 100HZ to the switching value signal interface in the light supplementing lamp device through the switching value terminal;
The second detection circuit in the stroboscopic signal detection circuit is used for converting the stroboscopic analog signal into a level quantity signal of 100HZ, and sending the level quantity signal of 100HZ to a level quantity signal interface in the light supplementing lamp device through a level quantity terminal;
the first detection circuit in the burst signal detection circuit is used for converting a burst analog signal into a switching value signal of 1HZ and sending the switching value signal of 1HZ to a switching value signal interface in the light supplementing lamp device through a switching value terminal;
the second detection circuit in the burst signal detection circuit is used for converting the burst analog signal into a level quantity signal of 1HZ, and sending the level quantity signal of 1HZ to a level quantity signal interface in the light supplementing lamp device through a level quantity terminal.
3. The fault detection circuit for a light filling lamp device according to claim 2, wherein the single chip microcomputer detection circuit comprises:
the third chip, the fourth capacitor and the fifth capacitor; the fourth pin of the third chip is connected to the first power supply, the fifth pin is grounded, the eighth pin is connected with one end of a seventh resistor, the other end of the seventh resistor is connected with the negative electrode end of a third indicator lamp in the communication detection circuit, and the positive electrode end of the third indicator lamp is connected to the first power supply; the ninth pin, the tenth pin and the eleventh pin of the third chip are all connected with the communication detection circuit; a thirteenth pin of the third chip is connected with the flash signal detection circuit, a fifteenth pin of the third chip is connected with the flash signal detection circuit, a nineteenth pin of the third chip is connected with one end of a fifth resistor, and the other end of the fifth resistor is grounded; the fourth capacitor is connected with the fifth capacitor in parallel, one parallel end of the fourth capacitor is grounded, and the other parallel end of the fourth capacitor is connected with the first power supply.
4. A fault detection circuit for a light filling lamp device according to claim 3, wherein in the first detection circuit of the strobe signal detection circuit, the switching value terminal includes a first switching value terminal and a second switching value terminal, the first detection circuit includes:
a fourth optocoupler; the VCC pin of the fourth optocoupler is connected with one end of a fourth resistor, the other end of the fourth resistor is connected with a first power supply, the input pin of the fourth optocoupler is connected with a fifteenth pin in the singlechip detection circuit, the GND pin of the fourth optocoupler is connected with the positive electrode end of a first indicator lamp, the negative electrode end of the first indicator lamp is connected with a second switching value terminal after being grounded, and the output pin of the fourth optocoupler is connected with the first switching value terminal;
in the second detection circuit of the strobe signal detection circuit, the level measuring terminal includes a first level measuring terminal and a second level measuring terminal, and the second detection circuit includes:
a fifth optocoupler; the VCC pin of the fifth optocoupler is connected with one end of a sixth resistor, the other end of the sixth resistor is connected with a first power supply, the input pin of the fifth optocoupler is connected with a fifteenth pin in the singlechip detection circuit, and the output pin of the fifth optocoupler is connected with a first level measuring terminal; the second level measuring terminal is connected with the positive electrode end of the second indicator lamp, and the negative electrode end of the second indicator lamp is grounded; and a power supply pin of the fifth optocoupler is connected to a second power supply.
5. A fault detection circuit for a light filling lamp device according to claim 3, wherein in the first detection circuit of the burst signal detection circuit, the switching value terminal includes a first switching value terminal and a second switching value terminal, the first detection circuit includes:
a sixth optocoupler; the VCC pin of the sixth optocoupler is connected with one end of an eighth resistor, the other end of the eighth resistor is connected with a first power supply, the input pin of the sixth optocoupler is connected with a thirteenth pin in the singlechip detection circuit, the GND pin of the sixth optocoupler is connected with the positive electrode end of a first indicator lamp, the negative electrode end of the first indicator lamp is connected with a second switching value terminal after being grounded, and the output pin of the sixth optocoupler is connected with the first switching value terminal;
in the second detection circuit of the burst signal detection circuit, the level measurement terminal includes a first level measurement terminal and a second level measurement terminal, and the second detection circuit includes:
an eighth optocoupler; the VCC pin of the eighth optocoupler is connected with one end of an eleventh resistor, the other end of the eleventh resistor is connected with a first power supply, the input pin of the eighth optocoupler is connected with a thirteenth pin in the singlechip detection circuit, and the output pin of the eighth optocoupler is connected with a first level measuring terminal; the second level measuring terminal is connected with the positive electrode end of the second indicator lamp, and the negative electrode end of the second indicator lamp is grounded; and a power supply pin of the eighth optocoupler is connected to a second power supply.
6. A fault detection circuit for a light filling lamp device according to claim 3, wherein in the communication detection circuit, the communication detection terminal includes a first communication detection terminal and a second communication detection terminal; the communication detection circuit includes:
485 interface chip; the first pin of the 485 interface chip is connected with the tenth pin of the third chip in the singlechip detection circuit, the second pin is connected with one end of a thirteenth resistor after being connected with the third pin of the 485 interface chip, and the other end of the thirteenth resistor is grounded; a fourth pin of the 485 interface chip is connected to a ninth pin of a third chip in the singlechip detection circuit; a fifth pin of the 485 interface chip is grounded, and a sixth pin is sequentially connected with one end of a fourteenth resistor and one end of a ninth capacitor and then connected with one end of a twelfth resistor; the other end of the fourteenth resistor is connected with a first power supply, the other end of the ninth capacitor is grounded, and the other end of the twelfth resistor is connected with a second communication detection terminal; a seventh pin of the 485 interface chip is connected with one end of the ninth resistor and one end of the seventh capacitor and then connected with one end of the tenth resistor; the other end of the ninth resistor is connected with the other end of the seventh capacitor and then grounded, and the other end of the tenth resistor is connected with a first communication detection terminal; the eighth pin of the 485 interface chip is connected with one end of an eighth capacitor while being connected with a first power supply, and the other end of the eighth capacitor is grounded.
7. A light-compensating lamp fault detection device comprising a fault detection circuit for a light-compensating lamp device as claimed in any one of claims 1 to 6, further comprising a housing; the shell is provided with a containing cavity, a circuit board with the fault detection circuit is arranged in the containing cavity, a laser emitter extending out of the shell, a laser control switch electrically connected with the laser emitter and extending out of the shell, and the axis of the laser emitter is parallel to the axis of the shell.
8. The light filling lamp fault detection device according to claim 7, wherein an adsorption structure is further arranged in the accommodating cavity, the adsorption structure comprises a connecting rod horizontally moving relative to the housing, and a sucker arranged at the end of the connecting rod, an elastic piece is arranged between the connecting rod and the housing, when the connecting rod is pressed to move along the horizontal direction of the housing, the sucker synchronously stretches out of the accommodating cavity or retracts into the accommodating cavity, when the sucker stretches out, the housing is fixed on an adsorbate, and when the sucker retracts, the housing is released from being fixed with the adsorbate.
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| CN202410077516.XA CN117596747B (en) | 2024-01-19 | 2024-01-19 | Fault detection circuit for light supplementing lamp device and light supplementing lamp fault detection device |
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