CN112269083A - Control panel voltage detection and conversion device for automatic test equipment - Google Patents
Control panel voltage detection and conversion device for automatic test equipment Download PDFInfo
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- CN112269083A CN112269083A CN202011121966.2A CN202011121966A CN112269083A CN 112269083 A CN112269083 A CN 112269083A CN 202011121966 A CN202011121966 A CN 202011121966A CN 112269083 A CN112269083 A CN 112269083A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 61
- 238000001514 detection method Methods 0.000 title claims abstract description 60
- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 238000004891 communication Methods 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The invention discloses a control panel voltage detection and conversion device for automatic test equipment, which comprises a voltage detection and conversion device, a measured control panel and an upper computer, wherein the voltage detection and conversion device consists of a detection conversion module, an MCU (microprogrammed control Unit) processor and a communication circuit, the detection conversion module is electrically connected with the MCU processor, the MCU processor is electrically connected with the communication circuit, the measured control panel is electrically connected with the detection conversion module of the voltage detection and conversion device, and the communication circuit of the voltage detection and conversion device is electrically connected with the upper computer. In the invention, the converted voltage is detected, and 0-5V direct current voltage values which can be received by the MCU are input into each I/O port of the MCU; the MCU receives the measured voltage value, and outputs data to the communication circuit after operation processing through specific software; the communication circuit transmits the data to an upper computer of the automatic test equipment for test judgment, and records and outputs a test result.
Description
Technical Field
The invention relates to the related technical field of automatic test equipment, in particular to a control panel voltage detection and conversion device for automatic test equipment.
Background
In order to improve the applicability and efficiency of automatic test equipment, various different control panels need to be detected, and abnormal circuit modules and reasons need to be accurately detected, therefore, the voltage values of a plurality of main circuits need to be detected, the detected data are sent to the automatic test equipment, an upper computer of the automatic test equipment makes judgment according to a set threshold value, and once the voltage values exceed the range, the NG is displayed by alarming, and meanwhile, related information and circuit positions of error points are recorded and provided, so that statistics and maintenance are facilitated.
Due to the relatively high value of automated test equipment, the number of purchases is limited. For various control panels, the coverage rate of automatic detection is not high, manual detection is needed, the production cost is increased, and the accuracy and the efficiency of the test are influenced. However, various control boards have various specifications, the circuits and the performances are greatly different, the test equipment and the tested circuit are easily damaged, and the test equipment is difficult to customize one by one. In order to solve the problems, the commonality of the test equipment and various control panels is analyzed, the utilization rate and the test coverage rate of the equipment can be greatly improved as long as the voltage value of the main circuit of the control panels can be detected, therefore, a switching device for connecting a tested control panel and automatic test equipment needs to be developed, the acquisition and detection requirements of multi-path voltages of various control panels can be met to the maximum extent, data is safely provided for the test equipment to be detected in an isolation mode, and the prior art problem is solved.
Disclosure of Invention
The present invention is directed to a control board voltage detecting and converting apparatus for automatic test equipment, which solves the problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a control panel voltage detects and conversion equipment for automatic test equipment, includes voltage detection and conversion equipment, is observed and controlled pallet and host computer, voltage detection and conversion equipment comprises detection conversion module, MCU treater and communication circuit, detect conversion module and MCU treater electric connection, MCU treater and communication circuit electric connection, be observed and controlled pallet and voltage detection and conversion equipment's detection conversion module electric connection, voltage detection and conversion equipment's communication circuit and host computer electric connection.
Preferably, the detection conversion module is composed of a plurality of direct current voltage detection conversion circuits with a voltage of 30V or more, a plurality of direct current voltage detection conversion circuits with a voltage of 30V or less, a plurality of direct current voltage detection conversion circuits with a voltage of 50V or more, and a plurality of direct current voltage detection conversion circuits with a voltage of 50V or less.
Compared with the prior art, the invention has the beneficial effects that: collecting voltage signals at each circuit point of a control panel to be detected, and inputting the voltage signals to a corresponding voltage detection conversion circuit; detecting the converted voltage, and inputting a 0-5V direct current voltage value which can be received by the MCU into each I/O port of the MCU; the MCU receives the measured voltage value, and outputs data to the communication circuit after operation processing through specific software; the communication circuit transmits the data to an upper computer of the automatic test equipment for test judgment, and records and outputs a test result.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the detection conversion module according to the present invention.
Fig. 3 is a schematic structural diagram of a multi-path over 30V dc voltage detection conversion circuit according to the present invention.
FIG. 4 is a schematic diagram of a multi-path DC voltage detection and conversion circuit with a voltage of 30V or less according to the present invention.
FIG. 5 is a schematic diagram of the multi-channel over 50V DC voltage detection conversion circuit according to the present invention.
FIG. 6 is a schematic diagram of the multi-channel DC voltage detection and conversion circuit with voltage of 50V or less according to the present invention.
In the figure: 1. a voltage detection and conversion device; 2. a measured control board; 3. an upper computer; 101. a detection conversion module; 102. an MCU processor; 103. a communication circuit; 1011. a multi-path direct current voltage detection conversion circuit with the voltage of more than 30V; 1012. a multi-path direct-current voltage detection conversion circuit below 30V; 1013. a multi-path direct current voltage detection conversion circuit with the voltage of more than 50V; 1014. and a plurality of direct current voltage detection and conversion circuits with the voltage of less than 50V.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 and fig. 2, in an embodiment of the present invention, a control board voltage detecting and converting device for an automatic test equipment includes a voltage detecting and converting device 1, a measured control board 2 and an upper computer 3, the voltage detection and conversion device 1 is composed of a detection conversion module 101, an MCU processor 102 and a communication circuit 103, the detection conversion module 101 is electrically connected with the MCU processor 102, the MCU processor 102 is electrically connected with the communication circuit 103, the controlled control board 2 is electrically connected with the detection conversion module 101 of the voltage detection and conversion device 1, the communication circuit 103 of the voltage detection and conversion device 1 is electrically connected to the upper computer 3, and the detection and conversion module 101 is composed of a multi-path direct-current voltage detection and conversion circuit 1011 of 30V or more, a multi-path direct-current voltage detection and conversion circuit 1012 of 30V or less, a multi-path alternating-current voltage detection and conversion circuit 1013 of 50V or more, and a multi-path alternating-current voltage detection and conversion circuit 1014 of 50V or less.
The working principle of the invention is as follows: collecting voltage signals at each circuit point of a control panel to be detected, and inputting the voltage signals to a corresponding voltage detection conversion circuit; detecting the converted voltage, and inputting a 0-5V direct current voltage value which can be received by the MCU into each I/O port of the MCU; the MCU receives the measured voltage value, and outputs data to the communication circuit after operation processing through specific software; the communication circuit transmits the data to an upper computer of the automatic test equipment for test judgment, and records and outputs a test result.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a control panel voltage detects and conversion equipment for automatic test equipment, includes voltage detection and conversion equipment (1), is surveyed control panel (2) and host computer (3), its characterized in that: voltage detection and conversion equipment (1) comprises detection conversion module (101), MCU treater (102) and communication circuit (103), detect conversion module (101) and MCU treater (102) electric connection, MCU treater (102) and communication circuit (103) electric connection, by the detection conversion module (101) electric connection of observing and controlling system board (2) and voltage detection and conversion equipment (1), communication circuit (103) and host computer (3) electric connection of voltage detection and conversion equipment (1).
2. The control board voltage detecting and converting apparatus for automatic test equipment as set forth in claim 1, wherein: the detection conversion module (101) is composed of a multi-path direct current voltage detection conversion circuit (1011) with the voltage of more than 30V, a multi-path direct current voltage detection conversion circuit (1012) with the voltage of less than 30V, a multi-path alternating current voltage detection conversion circuit (1013) with the voltage of more than 50V and a multi-path alternating current voltage detection conversion circuit (1014) with the voltage of less than 50V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011121966.2A CN112269083A (en) | 2020-10-20 | 2020-10-20 | Control panel voltage detection and conversion device for automatic test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011121966.2A CN112269083A (en) | 2020-10-20 | 2020-10-20 | Control panel voltage detection and conversion device for automatic test equipment |
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| Publication Number | Publication Date |
|---|---|
| CN112269083A true CN112269083A (en) | 2021-01-26 |
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| CN202011121966.2A Pending CN112269083A (en) | 2020-10-20 | 2020-10-20 | Control panel voltage detection and conversion device for automatic test equipment |
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| CN111766449A (en) * | 2020-06-18 | 2020-10-13 | 浙江嘉宏电力科技有限公司 | Short circuit impedance detection system and detection method |
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| CN102297703A (en) * | 2011-05-20 | 2011-12-28 | 北京东方振动和噪声技术研究所 | Data collection equipment and method thereof |
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Application publication date: 20210126 |