CN210112134U - Auxiliary control device for image acquisition system - Google Patents

Abstract

The utility model discloses an auxiliary control device for an image acquisition system, which comprises a light trigger unit and a power supply unit; wherein the optical trigger unit is configured to include a photoelectric conversion chip; a multi-channel driver chip; a photo-isolation chipset; the manual selection switch is used for being matched with the photoelectric isolation chip and the CCD group and triggering at a rising edge or a falling edge through selection so as to enable the CCD at the rising edge or the falling edge to take pictures; the power supply unit is configured to include an AC/DC switching power supply, a power conversion chip. The utility model provides an auxiliary control device for image acquisition system, it can be through developing dedicated auxiliary control device, and the power control way and the outer trigger control of light signal that main integration is used most often, and the integrated level is high, can multiplex to different image acquisition systems in, need not independent development power supply control circuit and trigger control circuit, promotes the engineering and implements and maintenance efficiency.

Description

Auxiliary control device for image acquisition system

Technical Field

The utility model relates to an auxiliary device who uses under equipment and circumstances. More specifically, the present invention relates to an auxiliary control device for an image capturing system used in a network image capturing apparatus.

Background

The network image acquisition equipment generally comprises a large number of CCD industrial cameras to form a CCD group, and image acquisition work is carried out on preset different scenes, so that analysis can be conveniently carried out on different environments, different equipment working conditions and other later stages.

The basic working conditions commonly used by each CCD in a working network image acquisition device mainly include power supply and external triggering. In the current engineering application, most of the system integration mode is adopted to design a special power supply control circuit and a special trigger control circuit for image acquisition equipment, so that the integration efficiency of the system is low and the system cannot be reused.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.

The utility model discloses it is the main integrated power control way that uses most often and light signal trigger control outward, can supply power the operation for each CCD in the CDD group through the power supply unit, trigger corresponding CCD through light and open the function of taking a picture, accomplish current image and adopt, satisfy most image acquisition system to the application demand of equipment, the integrated level is high, can multiplex to different image acquisition systems in, need not to develop power supply control circuit and trigger control circuit alone, promote engineering implementation and maintenance efficiency.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an auxiliary control apparatus for an image capturing system, including:

the optical trigger unit is used for receiving the optical trigger signal so as to trigger and control the working state of the CCD group;

the power supply unit is used for being connected with an external power supply so as to supply power to all CCDs in the CCD group;

wherein the light trigger unit is configured to include:

the photoelectric conversion chip is used for converting an externally input optical trigger signal into a corresponding TTL level signal;

the multichannel driving chip is used for converting the corresponding TTL level signals into a plurality of channels of COM trigger signals;

the photoelectric isolation chipset isolates each path of COM trigger signals to form corresponding rising edge trigger signals and falling edge trigger signals;

the manual selection switch is used for being matched with the photoelectric isolation chip and the CCD group and triggering at a rising edge or a falling edge through selection so as to enable the CCD at the rising edge or the falling edge to take pictures;

the power supply unit is configured to include:

the AC/DC switching power supply converts an external power supply into a 12V direct current power supply, and the 12V direct current power supply is converted into a DC/DC power supply conversion chip capable of supplying power to the CCD.

Preferably, the optical trigger unit is configured to further include:

the manual button trigger switch is matched with the multi-channel driving chip and inputs a trigger signal to the photoelectric isolation chip together;

the trigger signals output by the multi-channel drive chip and the manual trigger switch are selectively triggered by the logic OR chip to be input into the logic OR chip.

Preferably, the power supply unit is configured to further include:

an Ethernet protocol conversion chip for receiving the control signal through the Ethernet interface and converting the TCP/IP protocol into the SPI communication protocol;

transmitting a control signal to the MCU chip through the SPI bus so as to perform the performance control on the input and the output of the DC/DC power supply conversion chip;

and the DC/DC power supply conversion chip is respectively provided with a fuse wire on a connecting cable of each CCD of the CDD group.

Preferably, wherein the photoelectric conversion chip model is configured to employ HFBR-24E 27;

the HFBR-24E27 chip receives an external 850nm wavelength optical trigger signal through an SC interface matched with the HFBR-24E27 chip;

the DATA pin of the HFBR-24E27 chip is used for outputting a corresponding TTL signal.

Preferably, the multichannel driving chip model is configured to adopt IDT74ALVC164245PAG to convert 1-channel TTL signal into corresponding 10-channel cmos driving signal;

the SYN pin on the IDT74ALVC164245PAG chip is TTL signal input;

the pins CH1_ SYN _ TRI G to CH10_ SYN _ TRI G on the IDT74ALVC164245PAG chip are 10-way COMS signal outputs.

Preferably, the optoelectronic isolation chipset model is configured to implement trigger signal isolation of rising edge and falling edge by using two corresponding PCs 357NT respectively;

wherein, a CH1_ SYN _ TRIG _ P pin in each PC357NT chip is used for receiving multiple COMS trigger signals after photoelectric conversion;

an H1_ SYN _ TRIG _ PS pin in a PC357NT chip is a rising edge trigger signal output end;

the CH1_ SYN _ TRIG _ NS pin in the PC357NT chip is the falling edge trigger signal output terminal.

Preferably, wherein the manual selection switch model is configured to employ a dial-up selection switch YFC301 — 40ZYJ chip;

a pin CH j _ SYN _ TRIG _ PS in the dial-up selection switch YFC301_40ZYJ chip is used as a rising edge trigger signal;

a CH j _ SYN _ TRIG _ NS pin in the dial selection switch YFC301_40ZYJ chip is a falling edge trigger signal;

wherein j is 1, 2, 3 … 8.

Preferably, wherein the model of the logic or chip is configured to employ an SN74LVC32 AD;

the CH n _ MCU _ MTB of the SN74LVC32AD chip receives an input signal of a manual button trigger switch;

a CH n _ SYN _ TRIG pin of the SN74LVC32AD chip receives a COMS trigger signal after photoelectric conversion;

the CH n _ SYN _ TRIG _ P pin of the SN74LVC32AD chip outputs a trigger signal, where n is 1, 2, 3 … 8.

Preferably, the DC/DC power conversion chip is configured to adopt LM2575D2T _ 012G;

the MCU model is configured to employ STM32F407 IG;

wherein, the ON/OFF pin of the LM2575D2T _012G chip is configured to cooperate with a CH1_ EN _ N control signal sent by the MCU.

Preferably, the model of the ethernet protocol conversion chip is configured to adopt a W5500 chip;

the Ethernet interface signal is isolated from the W5500 chip through the HX1188NL chip;

the HX1188NL chip sends an Ethernet communication signal before isolation through a TX _ DATA + pin and a TX _ DATA-pin on the chip;

the HX1188NL chip receives an Ethernet communication signal before isolation through RX _ DATA + and RX _ DATA-pins on the chip;

the HX1188NL chip sends an isolated Ethernet communication signal through TPTX-TPTX + pins on the chip;

the HX1188NL chip receives the isolated Ethernet communication signal through the TPRx + and TPRx-pins thereon.

The utility model discloses at least, include following beneficial effect: one of which, the utility model discloses can be through developing dedicated auxiliary control device, the power control way that main integration is used most often and light signal trigger control outward, can be through power supply unit for each CCD in the CDD group operation of supplying power, trigger corresponding CCD through light and open the function of taking a picture, accomplish current image and adopt, satisfy most image acquisition system to the application demand of equipment, the integrated level is high, can multiplex to different image acquisition systems in, need not independent development power supply control circuit and trigger control circuit, promote engineering implementation and maintenance efficiency.

Secondly, the utility model can realize the power-on or power-off operation of the image acquisition equipment under the power supply unit, namely each CDD camera, through the cooperation of each chip on the power supply unit, and the short circuit protection function of the power supply unit is realized by arranging the corresponding fuse between the cables connected with the CCD camera and the power supply unit when the power supply unit is powered on;

and thirdly, the utility model discloses the last integration of image acquisition equipment auxiliary control unit has the optical signal interface like the SC interface, and cooperation photoelectric conversion chip realizes that the light signal turns into the signal of telecommunication of same pulse width, triggers network image acquisition equipment CDD, and triggers between the signal of telecommunication can mutual isolation through equipment.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic diagram of an auxiliary control device for an image acquisition system according to an embodiment of the present invention;

FIG. 2 illustrates a schematic design of a photoelectric conversion circuit in the photoelectric conversion chip of FIG. 1;

FIG. 3 is a schematic diagram illustrating a design of the multi-channel driver chip of FIG. 1 for dividing 1 TTL signal into 10 COMS driving signals;

FIG. 4 illustrates a schematic design of the rising edge trigger circuit of FIG. 1;

FIG. 5 illustrates a schematic design of the falling edge trigger circuit of FIG. 1;

FIG. 6 illustrates a schematic design of the manual selection switch circuit of FIG. 1;

FIG. 7 illustrates a schematic design of the manual trigger signal of FIG. 1 for use in a CCD external trigger logic or chip;

FIG. 8 illustrates a schematic design diagram of the DC/DC power converter chip of FIG. 1;

FIG. 9 is a schematic design diagram of the SPI communication interface of W5500 of FIG. 1;

FIG. 10 illustrates a schematic design of the Ethernet signal isolation design of FIG. 1;

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

Fig. 1 shows an implementation form of an auxiliary control device for an image acquisition system according to the present invention, which includes:

the optical trigger unit 1 is used for receiving an optical trigger signal to trigger and control the working state of the CCD group;

the device comprises a power supply unit 2 which is used for being connected with an external power supply to supply power to all CCDs in a CCD group, and can meet the application requirements of most image acquisition equipment by integrating a most common power supply control loop and an optical signal external trigger control loop, thereby improving the engineering implementation and maintenance efficiency and the reuse rate;

wherein the light trigger unit is configured to include:

a photoelectric conversion chip 10 for converting an externally input optical trigger signal into a corresponding TTL level signal;

a multi-channel driving chip 11 for converting the corresponding TTL level signal into multi-channel COM trigger signals;

the optoelectronic isolation chipset 12 isolates each path of COM trigger signals to form corresponding rising edge trigger signals and falling edge trigger signals;

the manual selection switch 13 is used for matching with the photoelectric isolation chip and the CCD group and triggering on a rising edge or a falling edge by selection so as to enable the CCD on the rising edge or the falling edge to take a picture, the optical triggering unit converts an external triggering optical signal into a corresponding TTL electrical signal through the photoelectric conversion chip, the TTL signal is converted into a multi-channel COMS triggering signal through the multi-channel driving chip, then the photoelectric isolation chip is adopted to realize the triggering of the rising edge and the falling edge, and the rising edge and the falling edge are selected through the manual selection switch to respectively perform external triggering on the CCD with the triggering of the rising edge or the triggering of the falling edge so as to finish the picture taking operation;

the power supply unit is configured to include:

the CCD driving circuit comprises an AC/DC switching power supply 20 for converting an external power supply into a 12V direct current power supply, a DC/DC power supply conversion chip 21 for converting the 12V direct current power supply into a DC/DC power supply capable of supplying power to the CCD, wherein the input of the external power supply is converted into the 12V direct current power supply through the AC/DC switching power supply, and the 12V direct current power supply realizes the power supply to the CCD through the DC/DC power supply conversion. According to the scheme, power supply control and external optical signal trigger control of the network image acquisition equipment can be respectively realized through the power supply unit and the optical trigger unit, and the network image acquisition equipment and the external optical signal trigger control are integrally arranged, so that the equipment can be connected more quickly and can be reused in other image acquisition equipment without developing other circuits, and the adaptability is better.

In another example, as shown in fig. 1, the optical trigger unit is configured to further include:

a manual button trigger switch 14 which is matched with the multi-channel drive chip and inputs a trigger signal to the photoelectric isolation chip together, wherein each channel is provided with a manual trigger button for manual trigger or test;

in the scheme, multiple paths of COMS trigger signals and manual trigger signals act together, so that both the photoelectric conversion trigger signal and the manual button trigger signal can trigger the CCD, the photoelectric conversion trigger signal and the manual button trigger signal form an OR relation to externally trigger the CCD, and the OR relation is realized through the corresponding logic OR chip.

As in fig. 1, in another example, the power supply unit is configured to further include:

an Ethernet protocol conversion chip 22 for receiving the control signal through the Ethernet interface and converting the TCP/IP protocol into the SPI communication protocol;

transmitting the control signal to the MCU chip 23 through the SPI bus, and further performing the performance control on the input and the output of the DC/DC power supply conversion chip;

the DC/DC power conversion chip is provided with fuses on connection cables with the CCDs of the CDD group, respectively, and it may also be provided with fuses between bus cables connected between the DC/DC power conversion chip and the CDD group as needed.

In another example, the photoelectric conversion chip model is configured to employ HFBR-24E 27;

the HFBR-24E27 chip receives an external 850nm wavelength optical trigger signal through an SC interface matched with the HFBR-24E27 chip;

the DATA pin of the HFBR-24E27 chip is used to output a corresponding TTL signal, the model of the photoelectric conversion chip in this scheme is implemented by using an HFBR-24E27 chip, which can convert a light signal with wavelength of 850nm transmitted from an SC interface into a corresponding TTL electrical signal, the maximum baud rate is 5Mbps, the photoelectric conversion circuit of the chip is designed as shown in fig. 2, and the SYN in the figure is the TTL electrical signal output from the chip, so as to achieve the effect of photoelectric isolation and conversion of the optical signal into a corresponding control electrical signal.

In another example, the multi-channel driver chip model is configured to employ IDT74ALVC164245PAG to implement conversion of 1 TTL signal to the corresponding 10 cmos drive signals;

the SYN pin on the IDT74ALVC164245PAG chip is TTL signal input;

the pins CH1_ SYN _ TRI G to CH10_ SYN _ TRI G on the IDT74ALVC164245PAG chip are 10 paths of COMS signal outputs, and in this scheme, 1 path of TTL signal is divided into 10 paths of COMS driving loop designs through a multi-channel driving chip (the chip supports 10 paths of outputs, but only a few paths of TTL signals can be adopted during specific use, for example, only 8 paths can be directly used in later-stage products); as shown in fig. 3, the IDT74ALVC164245 PAG-based chip implements 1-way TTL signal split 8-way COMS driving, and SYN: for the TTL signal input end output from the photoelectric conversion chip, chip pins CH1_ SYN _ TRIG-CH 8_ SYN _ TRIG are 8 paths of COMS signal output, the chip supports 10 paths, only 8 paths are used in the product of the scheme, so that the product is expanded into 10 paths, and the scheme also belongs to the protection category of the scheme.

In another example, the optoelectronic isolation chipset model is configured to implement trigger signal isolation of rising and falling edges with corresponding two PCs 357NT, respectively;

wherein, a CH1_ SYN _ TRIG _ P pin in each PC357NT chip is used for receiving multiple COMS trigger signals after photoelectric conversion;

an H1_ SYN _ TRIG _ PS pin in a PC357NT chip is a rising edge trigger signal output end; in this scheme, the implementation process of the rising edge trigger loop includes that the trigger signal after the photoelectric conversion is isolated by using the photoelectric isolation chip PC357NT, as shown in fig. 4: h1_ SYN _ TRIG _ P in fig. 4 is a trigger signal after photoelectric conversion, and CH1_ SYN _ TRIG _ PS is a rising edge trigger signal.

The implementation process of the falling edge trigger loop includes that the trigger signal after photoelectric conversion implements signal conversion of the signal by using the photoelectric isolation chip PC357NT, and is isolated from the input signal, as shown in fig. 5: wherein: CH1_ SYN _ TRIG _ P is a trigger signal after photoelectric conversion, CH1_ SYN _ TRIG _ NS is a falling edge trigger signal, and by adopting the scheme, the CCD under different trigger conditions can be distinguished to respectively distinguish the working states of the CCD, so that the stability of the common working operation condition is ensured.

In another example, the manual selection switch model is configured to employ a dial-up selection switch YFC301_40ZYJ chip;

a pin CH j _ SYN _ TRIG _ PS in the dial-up selection switch YFC301_40ZYJ chip is used as a rising edge trigger signal;

a CH j _ SYN _ TRIG _ NS pin in the dial selection switch YFC301_40ZYJ chip is a falling edge trigger signal;

wherein j is 1, 2, 3 … 8. In the scheme, the rising edge and falling edge trigger signals are realized through the dial selection switch YFC301_40ZYJ, as shown in fig. 6 (8 paths are actually used in the product of the scheme; only 4 paths are shown in the schematic diagram, and the same chip is arranged in the real product), the model of the manual selection switch is limited, so that the use effect of the manual selection switch is ensured, the working condition of the CCD can be manually selected to adopt rising edge triggering or rising edge triggering according to the requirement, the working requirement of different working occasions is met, and the manual selection switch has better adaptability and integration.

In another example, the model of the logic or chip is configured to employ the SN74LVC32 AD;

the CH n _ MCU _ MTB of the SN74LVC32AD chip receives an input signal of a manual button trigger switch, and each channel is provided with a manual trigger button used for manual triggering or testing;

a CH n _ SYN _ TRIG pin of the SN74LVC32AD chip receives a COMS trigger signal after photoelectric conversion;

in this scheme, both the electrical conversion trigger signal and the manual button trigger signal can trigger the CCD, and the photoelectric conversion trigger signal and the manual button trigger signal form an or relationship, as shown in fig. 7, the CCD is externally triggered, and a SN74LVC32AD chip is used to implement a logical or relationship.

In another example, the DC/DC power conversion chip is configured to employ LM2575D2T _ 012G;

the MCU model is configured to employ STM32F407 IG;

the ON/OFF pin of the LM2575D2T _012G chip is configured to match with the CH1_ EN _ N control signal sent by the MCU, in this scheme, the CCD power supply control loop is implemented based ON the LM2575D2T _012G chip, as shown in fig. 8, the LM2575D2T _012G chip supplies power to the CCD by converting the 12V switching power supply through the DC/DC power supply, and the control signal CH1_ EN _ N of the power supply in the figure comes from the MCU.

In another example, the model of the ethernet protocol conversion chip is configured to adopt a W5500 chip;

the Ethernet interface signal is isolated from the W5500 chip through the HX1188NL chip;

the HX1188NL chip sends an Ethernet communication signal before isolation through a TX _ DATA + pin and a TX _ DATA-pin on the chip;

the HX1188NL chip receives an Ethernet communication signal before isolation through RX _ DATA + and RX _ DATA-pins on the chip;

the HX1188NL chip sends an isolated Ethernet communication signal through TPTX-TPTX + pins on the chip;

in the scheme, the HX1188NL chip receives the isolated Ethernet communication signal through the TPRx + and TPRx-pins on the chip, and in the scheme, the remote control device sends a CCD power supply control instruction to the MCU of the auxiliary control unit of the image acquisition device through the Ethernet. MCU adopts STM32F407IG, does not have ethernet interface by itself, converts TCP/IP protocol into SPI communication protocol through ethernet protocol conversion chip W5500, realizes ethernet communication function. The MCU selects STM32F407IG, and a W5500 Ethernet protocol conversion chip internally integrates a full hardware TCP/IP protocol stack, MAC and PHY processes. The MCU and the W5500 communicate through a standard SPI bus, and a communication interface circuit is shown in fig. 9, wherein SPI communication signals comprise LAN _ MOSI-main device data output and auxiliary device data input;

LAN _ MISO — master device data input, slave device data output;

LAN _ SCLK-clock signal;

LAN _ NSS-enable signal;

the ethernet communication signal includes:

TPTX-, TPTX + is used for transmitting;

TPRx +, TPRx-for reception;

the external ethernet interface signal passes through HX1188NL chip to realize transformer isolation, and then accesses W5500, and the interface circuit is as shown in fig. 10, wherein the ethernet communication signal before isolation includes:

TX _ DATA +, TX _ DATA-for transmission;

RX _ DATA +, RX _ DATA-for receive;

the isolated ethernet communication signals include:

TPTX-, TPTX + is used for transmitting;

TPRx +, TPRx-are used for reception.

The utility model relates to an auxiliary device of image acquisition equipment system can realize the electric operation down through the network to the image acquisition equipment under it, possesses supply circuit short circuit protection function. Meanwhile, the auxiliary control unit of the image acquisition equipment is integrated with an optical fiber signal interface, so that optical signals are converted into electric signals with the same pulse width, the network image acquisition equipment is triggered, and the electric signals are triggered to be isolated from each other.

The specific work flow comprises the following steps:

external optical signals are converted into TTL electric signals through a photoelectric conversion chip HFBR-24E2Z, the TTL signals are converted into multi-channel COMS trigger signals through a multi-channel drive chip IDT74ALVC164245PAG and act together with manual trigger signals, the rising edge and the falling edge are triggered by adopting a photoelectric isolation chip, and the rising edge and the falling edge are selected through a manual selection switch to trigger the CCD externally.

The input of an external power supply is converted into a 12V direct-current power supply through an AC/DC switching power supply, and the 12V direct-current power supply supplies power to the CCD through DC/DC power supply conversion. The remote control equipment sends a control command, the control command is converted into an SPI communication mode through an Ethernet protocol conversion chip W5500 and sent to an MCU chip STM32F407IG, and the MCU completes enabling control of the DC/DC power supply.

Therefore, should know the utility model discloses develop the auxiliary control device of the image acquisition equipment or system of dedicated multichannel, integrated power control return circuit and the light signal outer trigger control return circuit that uses most commonly, can satisfy the application demand of most image acquisition's equipment, promote the engineering and implement and maintenance efficiency.

The above embodiments are merely illustrative of a preferred embodiment, but not limiting. When the utility model is implemented, the proper replacement and/or modification can be carried out according to the requirements of users.

The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the auxiliary control device for an image adoption system of the present invention will be apparent to those skilled in the art.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims (10)

1. An auxiliary control device for an image acquisition system, comprising:

the optical trigger unit is used for receiving the optical trigger signal so as to trigger and control the working state of the CCD group;

the power supply unit is used for being connected with an external power supply so as to supply power to all CCDs in the CCD group;

wherein the light trigger unit is configured to include:

the photoelectric conversion chip is used for converting an externally input optical trigger signal into a corresponding TTL level signal;

the multichannel driving chip is used for converting the corresponding TTL level signals into a plurality of channels of COM trigger signals;

the photoelectric isolation chipset isolates each path of COM trigger signals to form corresponding rising edge trigger signals and falling edge trigger signals;

the manual selection switch is used for being matched with the photoelectric isolation chip and the CCD group and triggering at a rising edge or a falling edge through selection so as to enable the CCD at the rising edge or the falling edge to take pictures;

the power supply unit is configured to include:

the AC/DC switching power supply converts an external power supply into a 12V direct current power supply, and the 12V direct current power supply is converted into a DC/DC power supply conversion chip capable of supplying power to the CCD.

2. The auxiliary control device for an image acquisition system as claimed in claim 1, wherein the light trigger unit is configured to further comprise:

the manual button trigger switch is matched with the multi-channel driving chip and inputs a trigger signal to the photoelectric isolation chip together;

the trigger signals output by the multi-channel drive chip and the manual trigger switch are selectively triggered by the logic OR chip to be input into the logic OR chip.

3. The auxiliary control apparatus for an image acquisition system according to claim 1, wherein the power supply unit is configured to further include:

an Ethernet protocol conversion chip for receiving the control signal through the Ethernet interface and converting the TCP/IP protocol into the SPI communication protocol;

transmitting a control signal to the MCU chip through the SPI bus so as to perform the performance control on the input and the output of the DC/DC power supply conversion chip;

and the DC/DC power supply conversion chip is respectively provided with a fuse wire on a connecting cable of each CCD of the CDD group.

4. The auxiliary control device for an image acquisition system as claimed in claim 1, wherein the photoelectric conversion chip model is configured to employ HFBR-24E 27;

the HFBR-24E27 chip receives an external 850nm wavelength optical trigger signal through an SC interface matched with the HFBR-24E27 chip;

the DATA pin of the HFBR-24E27 chip is used for outputting a corresponding TTL signal.

5. The auxiliary control device for image acquisition system as claimed in claim 1, wherein said multi-channel driver chip model is configured to employ IDT74ALVC164245PAG to implement conversion of 1 TTL signal to corresponding 10 cmos drive signals;

the SYN pin on the IDT74ALVC164245PAG chip is TTL signal input;

the pins CH1_ SYN _ TRI G to CH10_ SYN _ TRI G on the IDT74ALVC164245PAG chip are 10-way COMS signal outputs.

6. The auxiliary control device for an image acquisition system as claimed in claim 1, wherein the optoelectronic isolation chipset model is configured to implement trigger signal isolation of rising edge and falling edge with corresponding two PCs 357NT, respectively;

wherein, a CH1_ SYN _ TRIG _ P pin in each PC357NT chip is used for receiving multiple COMS trigger signals after photoelectric conversion;

an H1_ SYN _ TRIG _ PS pin in a PC357NT chip is a rising edge trigger signal output end;

the CH1_ SYN _ TRIG _ NS pin in the PC357NT chip is the falling edge trigger signal output terminal.

7. The auxiliary control device for image acquisition system as claimed in claim 1, wherein the manual selection switch model is configured to employ a dial-up selection switch YFC301 — 40ZYJ chip;

a pin CH j _ SYN _ TRIG _ PS in the dial-up selection switch YFC301_40ZYJ chip is used as a rising edge trigger signal;

a CH j _ SYN _ TRIG _ NS pin in the dial selection switch YFC301_40ZYJ chip is a falling edge trigger signal;

wherein j is 1, 2, 3 … 8.

8. The auxiliary control device for an image acquisition system according to claim 2, characterized in that the model of said logic or chip is configured to employ a SN74LVC32 AD;

the CH n _ MCU _ MTB of the SN74LVC32AD chip receives an input signal of a manual button trigger switch;

a CH n _ SYN _ TRIG pin of the SN74LVC32AD chip receives a COMS trigger signal after photoelectric conversion;

a CH n _ SYN _ TRIG _ P pin of the SN74LVC32AD chip outputs a trigger signal;

wherein n is 1, 2, 3 … 8.

9. Auxiliary control device for an image acquisition system according to claim 3,

the DC/DC power conversion chip is configured to adopt LM2575D2T _ 012G;

the MCU model is configured to employ STM32F407 IG;

wherein, the ON/OFF pin of the LM2575D2T _012G chip is configured to cooperate with a CH1_ EN _ N control signal sent by the MCU.

10. The auxiliary control device for image acquisition system as claimed in claim 9, wherein the model of the ethernet protocol conversion chip is configured to adopt a W5500 chip;

the Ethernet interface signal is isolated from the W5500 chip through the HX1188NL chip;

the HX1188NL chip sends an Ethernet communication signal before isolation through a TX _ DATA + pin and a TX _ DATA-pin on the chip;

the HX1188NL chip receives an Ethernet communication signal before isolation through RX _ DATA + and RX _ DATA-pins on the chip;

the HX1188NL chip sends an isolated Ethernet communication signal through TPTX-TPTX + pins on the chip;

the HX1188NL chip receives the isolated Ethernet communication signal through the TPRx + and TPRx-pins thereon.

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