CN218512854U - Device and system for verifying performance and electrical characteristics of photoelectric coupler - Google Patents
Device and system for verifying performance and electrical characteristics of photoelectric coupler Download PDFInfo
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- CN218512854U CN218512854U CN202222431723.XU CN202222431723U CN218512854U CN 218512854 U CN218512854 U CN 218512854U CN 202222431723 U CN202222431723 U CN 202222431723U CN 218512854 U CN218512854 U CN 218512854U
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Abstract
The application discloses a device and a system for verifying performance and electrical characteristics of a photoelectric coupler, which comprise a signal input module, a tested device verification board, a data acquisition module and a direct-current power supply, wherein the signal input module is used for providing an input signal for the tested device verification board; the tested device verification board is connected to the photoelectric coupler to be verified and used for isolating an electric signal and realizing board-level dynamic performance and electric characteristics of the photoelectric coupler to be verified under different environmental conditions; the data acquisition module is connected with the photoelectric coupler to be inspected and used for acquiring output electrical parameters of the photoelectric coupler to be inspected; and the direct current power supply is used as a power supply. The embodiment of the application accesses the photoelectric coupler to be inspected through the inspected device verifying plate, and acquires the output electrical parameters of the photoelectric coupler to be inspected through the data acquisition module, so that the board-level dynamic performance and the electrical characteristics of the photoelectric coupler to be inspected under different environmental conditions are realized.
Description
Technical Field
The application relates to the technical field of circuit design, in particular to a verification device and a verification system for performance and electrical characteristics of a photoelectric coupler.
Background
The photoelectric coupler realizes an electric isolating device between input and output through the transmission of optical signals, can transmit electric signals between circuits or systems, and simultaneously ensures the electric insulation between the circuits or the systems. The photoelectric coupler is widely applied to field buses, military electronic systems and aerospace electronic equipment, particularly to occasions with worse application environments, the market demand is continuously increased, and the photoelectric coupler is an important basic electronic component. With the export restriction, production stoppage and forbidden operation of the import components, the substitution of related components is required to be searched. Although various domestic optoelectronic couplers are developed domestically, many domestic optoelectronic couplers are not well applied due to the lack of corresponding verification means.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a verification device and a verification system for photoelectric coupler performance and electrical characteristics, and the verification device and the verification system are used for verifying the photoelectric coupler performance and the electrical characteristics.
The embodiment of the application provides a verification device for photoelectric coupler performance and electrical characteristics, which comprises a signal input module, a tested device verification board, a data acquisition module and a direct current power supply, wherein,
the signal input module is used for providing an input signal for the tested device verification board;
the tested device verification board is connected to the photoelectric coupler to be tested and used for isolating an electric signal and realizing board-level dynamic performance and electric characteristics of the photoelectric coupler to be tested under different environmental conditions;
the data acquisition module is connected with the photoelectric coupler to be inspected and used for acquiring output electrical parameters of the photoelectric coupler to be inspected;
and the direct current power supply is used as a power supply.
Optionally, the device under test verification board includes a triode V1 and a relay K1;
a base electrode of the triode V1 leads out a signal input end through a resistor R2 so as to be connected with the signal input module, an emitting electrode of the triode V is grounded, and a collector electrode of the triode V is connected to a power supply voltage VCC through a coil of the relay K1;
the relay K1 is at least provided with two groups of contacts, wherein the input end of one group of contacts is connected with a power supply voltage VCC, the normally closed output end of one group of contacts is suspended, the normally open output end of one group of contacts is connected to one end of a resistor R3, the input end of the other group of contacts is grounded, the normally open output end of the other group of contacts is connected to the other end of the resistor R3, and the normally closed output end of the other group of contacts is suspended;
the other end of the resistor R3 is connected to the anode of a diode V2 through the series connection of a resistor R4 and a resistor R5, and the cathode of the diode V2 is connected to one end of the resistor R3;
the cathode of the diode V2 is also connected between the resistor R4 and the resistor R5 through a capacitor C1, the cathode of the diode V is also connected to the anode of the photoelectric coupler to be inspected, and the anode of the diode V is connected to the cathode of the photoelectric coupler to be inspected;
the photoelectric coupler to be inspected is connected to a working voltage VDD through a resistor R1, a data acquisition end is led out of a collector electrode of the photoelectric coupler through a resistor R6, the data acquisition end is connected to the data acquisition module, the collector electrode of the photoelectric coupler is grounded through a capacitor C2, and an emitting electrode of the photoelectric coupler is grounded.
Optionally, the relay K1 is a G6K series relay.
Optionally, the power supply further includes a power conversion module, connected to the dc power supply, and configured to convert the input voltage into a required operating voltage.
Optionally, the output electrical parameters include an output voltage and a current of the to-be-inspected photoelectric coupler.
Optionally, the inspection device further comprises a communication control module, configured to configure the optoelectronic coupler to be inspected based on a control instruction.
The embodiment of the application also provides a verification system for the performance and the electrical characteristics of the photoelectric coupler, which comprises an upper computer and a verification device for the performance and the electrical characteristics of the photoelectric coupler;
and the upper computer is in communication connection with a data acquisition module of the verification device for the performance and the electrical characteristics of the photoelectric coupler so as to receive the output electrical parameters acquired by the data acquisition module.
The embodiment of the application accesses the photoelectric coupler to be inspected through the inspected device verifying plate, and acquires the output electrical parameters of the photoelectric coupler to be inspected through the data acquisition module, so that the board-level dynamic performance and the electrical characteristics of the photoelectric coupler to be inspected under different environmental conditions are realized.
The foregoing description is only an overview of the technical solutions of the present application, and the present application can be implemented according to the content of the description in order to make the technical means of the present application more clearly understood, and the following detailed description of the present application is given in order to make the above and other objects, features, and advantages of the present application more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a structural example of a verification device of photocoupler performance and electrical characteristics of an embodiment of the present application;
FIG. 2 is a circuit configuration example of a device under test verification board of the verification apparatus for photocoupler performance and electrical characteristics according to the embodiment of the present application;
fig. 3 is a structural example of a verification system of the performance and electrical characteristics of a photocoupler in an embodiment of the present application.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The embodiment of the application provides a verification device for photoelectric coupler performance and electrical characteristics, and the verification device comprises a signal input module, a tested device verification board, a data acquisition module and a direct-current power supply, wherein the signal input module is connected with the tested device verification board.
The signal input module is used for providing an input signal for the tested device verification board;
the tested device verification board is connected to the photoelectric coupler to be verified and used for isolating an electric signal and realizing board-level dynamic performance and electric characteristics of the photoelectric coupler to be verified under different environmental conditions;
the data acquisition module is connected with the photoelectric coupler to be inspected and is used for acquiring the output electrical parameters of the photoelectric coupler to be inspected. In some embodiments, the output electrical parameters include an output voltage and a current of the optoelectronic coupler to be inspected.
And the direct current power supply is used as a power supply. In some embodiments, the power conversion module is further included, connected to the dc power supply, and configured to convert the input voltage into a desired operating voltage, such as a supply voltage VCC and an operating voltage VDD, and the power conversion module is configured to supply power to other modules.
In some embodiments, as shown in fig. 3, the device under test verification board includes a transistor V1, a relay K1.
The base of the triode V1 is led out of the signal input end through a resistor R2 to be connected with the signal input module, the emitter thereof is grounded, and the collector thereof is connected to a power supply voltage VCC through the coil of the relay K1, and in some examples, the triode V1 may be an MMBT5551 triode.
The relay K1 is at least provided with two groups of contacts, wherein the input end of one group of contacts is connected with a power supply voltage VCC, the normally closed output end of one group of contacts is suspended, the normally open output end of one group of contacts is connected to one end of a resistor R3, the input end of the other group of contacts is grounded, the normally open output end of the other group of contacts is connected to the other end of the resistor R3, and the normally closed output end of the other group of contacts is suspended;
the other end of the resistor R3 is connected to the anode of a diode V2 through the series connection of a resistor R4 and a resistor R5, and the cathode of the diode V2 is connected to one end of the resistor R3;
the cathode of the diode V2 is further connected between the resistor R4 and the resistor R5 through a capacitor C1, the cathode of the diode V2 is further connected to the anode of the photoelectric coupler to be inspected, the anode of the diode V is connected to the cathode of the photoelectric coupler to be inspected, and the diode V2 may be an IN4004 diode IN some examples.
The photoelectric coupler to be inspected is connected to a working voltage VDD through a resistor R1, a data acquisition end is led out of a collector electrode of the photoelectric coupler through a resistor R6, the data acquisition end is connected to the data acquisition module, the collector electrode of the photoelectric coupler is grounded through a capacitor C2, and an emitting electrode of the photoelectric coupler is grounded.
For example, in fig. 3, the photoelectric coupler to be inspected is numbered N1, the test board is supplied with power through the power conversion module, the test point T1 is connected to the signal input module, the on-off of the optical coupler is controlled by controlling the relay switch, and the voltage of the test point T2 is tested and output. In some embodiments, the relay K1 is a G6K series relay. For example, in fig. 3, the relay K1 is G6K-2F-Y, and the signal input module inputs a control signal at the input control terminal T1 to control the on/off of the triode V1, thereby controlling the working state of the optocoupler. For example, when the control signal T1 is at a low level (less than or equal to 0.6V), the triode V1 is in an off state, the pins 6 and 3 of the relay K1 are in a normally closed state, the pins 7 and 2 are connected, and at this time, the optocoupler does not work, and outputs the test voltage T2. When the control signal T1 is high level (not less than 0.7V), the triode V1 is in a conducting state, the coil of the relay K1 is attracted, the pins 6 and 3 of the relay K1 are respectively connected with the pins 5 and 4, the optocoupler works at the moment, and the test voltage T2 is output, so that the output electrical parameters can be acquired at the data acquisition end through the data acquisition module.
In some embodiments, the inspection device further comprises a communication control module for configuring the to-be-inspected optocoupler based on control instructions. The photoelectric coupler to be inspected can be configured according to a subsequent instruction sent by the upper computer.
The embodiment of the application also provides a verification system for the performance and the electrical characteristics of the photoelectric coupler, which comprises an upper computer and a verification device for the performance and the electrical characteristics of the photoelectric coupler, as shown in fig. 3;
and the upper computer is in communication connection with a data acquisition module of the verification device for the performance and the electrical characteristics of the photoelectric coupler so as to receive the output electrical parameters acquired by the data acquisition module.
In some embodiments, a peripheral test instrument and the like can be accessed, and control software can be installed on the upper computer to realize interaction with the lower computer and complete control and parameter configuration of the lower computer (for example, parameter configuration is realized through a communication control module). In addition, the upper computer can acquire acquired data from the data acquisition module, display and store the acquired data, so that the performance and electrical characteristic test of the tested device is completed.
Through the tested device verification board and the data acquisition module designed by the embodiment of the application, the tested device verification board is connected into the photoelectric coupler to be tested, and the output electrical parameters of the photoelectric coupler to be tested are acquired through the data acquisition module, so that the board-level dynamic performance and the electrical characteristics of the photoelectric coupler to be tested under different environmental conditions are tested.
It should be noted that, in the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A verification device for photoelectric coupler performance and electric characteristics is characterized by comprising a signal input module, a tested device verification board, a data acquisition module and a direct current power supply, wherein,
the signal input module is used for providing an input signal for the tested device verification board;
the tested device verification board is connected to the photoelectric coupler to be verified and used for isolating an electric signal and realizing board-level dynamic performance and electric characteristics of the photoelectric coupler to be verified under different environmental conditions;
the data acquisition module is connected with the photoelectric coupler to be inspected and used for acquiring output electrical parameters of the photoelectric coupler to be inspected;
and the direct current power supply is used as a power supply.
2. The apparatus for verifying the performance and electrical characteristics of a photocoupler as claimed in claim 1, wherein said device under test verification board comprises a transistor V1, a relay K1;
a base electrode of the triode V1 is led out of a signal input end through a resistor R2 so as to be connected with the signal input module, an emitting electrode of the triode V1 is grounded, and a collector electrode of the triode V1 is connected to a power supply voltage VCC through a coil of the relay K1;
the relay K1 is at least provided with two groups of contacts, wherein the input end of one group of contacts is connected with a power supply voltage VCC, the normally closed output end of one group of contacts is suspended, the normally open output end of one group of contacts is connected to one end of a resistor R3, the input end of the other group of contacts is grounded, the normally open output end of the other group of contacts is connected to the other end of the resistor R3, and the normally closed output end of the other group of contacts is suspended;
the other end of the resistor R3 is connected to the anode of a diode V2 through the series connection of a resistor R4 and a resistor R5, and the cathode of the diode V2 is connected to one end of the resistor R3;
the cathode of the diode V2 is also connected between the resistor R4 and the resistor R5 through a capacitor C1, the cathode of the diode V is also connected to the anode of the photoelectric coupler to be inspected, and the anode of the diode V is connected to the cathode of the photoelectric coupler to be inspected;
the photoelectric coupler to be inspected is connected to a working voltage VDD through a resistor R1, a data acquisition end is led out of a collector electrode of the photoelectric coupler through a resistor R6, the data acquisition end is connected to the data acquisition module, the collector electrode of the photoelectric coupler is grounded through a capacitor C2, and an emitting electrode of the photoelectric coupler is grounded.
3. The apparatus for verifying the performance and the electric characteristics of a photocoupler as claimed in claim 2, wherein said relay K1 is a G6K series relay.
4. The apparatus of claim 1, further comprising a power conversion module connected to the dc power supply and converting an input voltage into a desired operating voltage.
5. The verification apparatus for the performance and electrical characteristics of a photocoupler as claimed in claim 1, wherein said output electrical parameters include the output voltage and current of said photocoupler to be verified.
6. The apparatus for verifying the performance and electrical characteristics of a photocoupler as claimed in claim 1, further comprising a communication control module for configuring said photocoupler to be verified based on a control command.
7. A verification system for the performance and electrical characteristics of a photoelectric coupler is characterized by comprising an upper computer and a verification device for the performance and electrical characteristics of the photoelectric coupler according to any one of claims 1 to 6;
and the upper computer is in communication connection with a data acquisition module of the verification device for the performance and the electrical characteristics of the photoelectric coupler so as to receive the output electrical parameters acquired by the data acquisition module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222431723.XU CN218512854U (en) | 2022-09-14 | 2022-09-14 | Device and system for verifying performance and electrical characteristics of photoelectric coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222431723.XU CN218512854U (en) | 2022-09-14 | 2022-09-14 | Device and system for verifying performance and electrical characteristics of photoelectric coupler |
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| Publication Number | Publication Date |
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| CN218512854U true CN218512854U (en) | 2023-02-21 |
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| CN202222431723.XU Active CN218512854U (en) | 2022-09-14 | 2022-09-14 | Device and system for verifying performance and electrical characteristics of photoelectric coupler |
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