CN111077431A - Electrical property detection equipment of control circuit board - Google Patents
Electrical property detection equipment of control circuit board Download PDFInfo
- Publication number
- CN111077431A CN111077431A CN201911397419.4A CN201911397419A CN111077431A CN 111077431 A CN111077431 A CN 111077431A CN 201911397419 A CN201911397419 A CN 201911397419A CN 111077431 A CN111077431 A CN 111077431A
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- Prior art keywords
- test
- information
- terminals
- trigger
- circuit board
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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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
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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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
- G01R31/2834—Automated test systems [ATE]; using microprocessors or computers
Abstract
The invention discloses an electrical property detection device of a control circuit board, which comprises: the device comprises a test bench, a test unit, a headstock and a detection control unit. The test unit includes: the device comprises a test board, a plurality of power-on terminals, a plurality of detection terminals and a plurality of test terminals. The head frame comprises: the device comprises a pair of detection head support columns, a beam frame, a lifting guide rail, a lifting pressure plate and a plurality of pressure pins. The detection control unit comprises a plurality of input ports, a plurality of output driving ports and a controller. The invention provides an electrical property detection device of a control circuit board. The invention can load the trigger information of a plurality of sensors simultaneously according to the detection of the control board with the trigger input end of the plurality of sensors, improves the automation degree of the control circuit board, can effectively prevent the condition of missing detection, and has simple structure and easy implementation.
Description
Technical Field
The invention relates to performance detection of a control circuit board, which can be applied to the links of component detection and cost assembly of equipment. And more particularly to an electrical performance testing apparatus for a control circuit board.
Background
In manufacturing processes involving automation or electronic control devices, a control circuit board is typically used to implement automation or electronic control functions thereof. Therefore, it is often necessary to test the electrical properties of the circuit board after the control circuit board solder separation period. However, for a circuit which needs multi-sensor triggering and generates late-stage driving, the input (triggering) signal (information) or potential needs manual loading, point-by-point and interface-by-interface detection. In the prior art, the detection process is usually realized by manual loading. In the implementation process, due to the fact that detection points are multiple, the condition of missing detection usually occurs. The finished product rate of the product is influenced, and the detection period is prolonged, so that the assembly and the use of equipment in the later period are restricted.
Disclosure of Invention
The invention aims to provide electrical property detection equipment of a control circuit board, which can simultaneously load a plurality of sensor trigger information according to detection of a control board with a multi-sensor trigger input end, improves the automation degree of the control circuit board, can effectively prevent the condition of missing detection, and has simple structure and easy implementation.
An aspect of the present invention provides an electrical property detection apparatus of a control circuit board, including: the device comprises a test bench, a test unit, a headstock and a detection control unit.
The test unit includes: the device comprises a test board, a plurality of power-on terminals, a plurality of detection terminals and a plurality of test terminals. The test board is arranged on the test bench and is provided with a test surface. A plurality of upper electrical terminals are secured to the test board and extend from the test face. It can be placed in a position where the power supply that causes the equipment circuit board to operate is connected to the pad point. The plurality of detection terminals are fixed on the test board and extend out of the test surface. The sensor information acquisition interface component is arranged on the position of a pad point of a sensor information acquisition interface component of an equipment circuit board. The test terminals are fixed to the test board and extend from the test surface. Which is arranged at the position of the driving part pad point of the equipment circuit board.
The head frame comprises: the device comprises a pair of detection head support columns, a beam frame, a lifting guide rail, a lifting pressure plate and a plurality of pressure pins. The detection head support column is provided with a column extending direction. The detection head support column is provided with a first end and a second end along the extension direction of the column body. The first end is arranged on the test board and the extending direction of the column body is vertical to the test surface.
The beam mount is secured to the second end and has a plane parallel to the test surface. The lifting guide rail is arranged on the beam frame and extends along a lifting direction vertical to the test surface. One end of the lifting rail can face the test surface. The lifting pressure plate is arranged on the lifting guide rail in a sliding way through a lifting motor. The pressure raising and lowering plate can be located in a starting position and a pressing position. The lifting platen has a platen face parallel to the test face. The lift motor has a drive interface. The pressing pins are arranged on the pressure rising and reducing plate. The plurality of pressing pins have a pressing pin extending direction. The extension direction of the pressing pin is vertical to the surface of the pressing plate.
The detection control unit comprises a plurality of input ports, a plurality of output driving ports and a controller. The input port is connected to a plurality of test terminals. The output driving port is electrically connected with a driving interface of the lifting motor, a plurality of power-on terminals and a plurality of detection terminals respectively.
The controller performs the steps configured to:
and S101, after receiving the starting information, sending lifting driving information to a driving interface of a lifting motor so that the lifting pressing plate is located at a pressing position and the pressing pins are pressed on the circuit board of the equipment to be detected.
And S102, the controller sends the driving potentials of the plurality of test power-on ends to the plurality of power-on terminals according to the locally pre-stored power-on setting. So that the circuit board of the equipment to be detected is electrified corresponding to the electric connection points of the plurality of electric connection terminals.
The controller extracts the current multi-sensor trigger state from a multi-sensor state association data table prestored locally, and sets the current multi-sensor trigger state to a plurality of detection terminals. So that a plurality of receiving pins for receiving the sensor trigger information in the integrated circuit control board are set to be in the current multi-sensor trigger state. The current multi-sensor trigger state is an output state after multi-sensor sensing.
Step S103, collecting test result information from a plurality of test terminals.
In another preferred embodiment of the present invention, the method further comprises: an activation button having a trigger output. The input port is connected with the trigger output end and can receive starting information.
In another preferred embodiment of the present invention, the method further comprises: and the power-on key is provided with a power-on trigger end. The input port is connected with the power-on trigger end and can receive power-on trigger information. Step S102 further includes that the controller obtains a local pre-stored power-on setting according to the power-on trigger information.
In another preferred embodiment of the present invention, the method further comprises: and the test key is provided with a test trigger end. The input port is connected with the test trigger end and can receive test trigger information. Step S103 includes that the controller collects test result information from a plurality of test terminals according to the test trigger information.
In a further preferred embodiment of the invention, a concave surface is formed on the test surface, the edge track of which corresponds to the edge of the device circuit board, into which concave surface the device circuit board to be tested can be fixed.
In a further preferred embodiment of the invention, two test units are provided.
In another preferred embodiment of the present invention, the plurality of pressing pins are uniformly distributed on the pressure increasing and decreasing plate.
In another preferred embodiment of the present invention, after step S103, the method further includes: and step S104, outputting the test result information through a plurality of output driving ports.
In another preferred embodiment of the present invention, step S104 further includes: the controller judges whether the test result information is matched with pre-stored set test result information, if so, test passing information is generated, and if not, test abnormal information is generated.
In another preferred embodiment of the present invention, the method further comprises: a display connected to the plurality of output drive ports. The display can display the test result information, the test passing information and the test abnormal information.
The above features, technical features, advantages and modes of realisation of the electrical property detection apparatus of the control circuit board will be further described in the following detailed description of preferred embodiments in a clearly understandable manner, in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a schematic diagram illustrating an electrical property detection apparatus of a control circuit board in an initial state according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram for illustrating an electrical property detection device of a control circuit board in an operating state according to an embodiment of the present invention.
Fig. 3 is a block diagram for explaining the detection control unit according to the embodiment of the present invention.
Fig. 4 is a diagram for explaining the composition of the detection control unit in another embodiment of the present invention.
Fig. 5 is a block diagram for explaining a detection control unit according to still another embodiment of the present invention.
Detailed Description
In order to more clearly understand the technical features, objects and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings, in which the same reference numerals indicate the same or structurally similar but functionally identical elements.
"exemplary" means "serving as an example, instance, or illustration" herein, and any illustration, embodiment, or steps described as "exemplary" herein should not be construed as a preferred or advantageous alternative.
For the sake of simplicity, only the parts related to the present exemplary embodiment are schematically shown in the drawings, and they do not represent the actual structure as a product.
In this document, "first", "second", and the like are used only for distinguishing one from another, and do not indicate their degree of importance, order, and the like.
As shown in fig. 1, in one embodiment of the present invention, there is provided an electrical property detection apparatus of a control circuit board, including: a test rack 10, a test unit 11, a head rack 20, and an inspection control unit 30.
The test unit 11 includes: a test board 12, a plurality of power-on terminals 13, a plurality of test terminals 14, and a plurality of test terminals 15. Test board 12 is disposed on test bed 10 and has a test surface 16. A plurality of upper electrical terminals 13 are fixed to the test plate 12 and project from the test face 16. A plurality of upper electrical terminals 13 can be provided at locations of power access pads that enable operation of the device circuit board. A plurality of test terminals 14 are secured to test plate 12 and extend from test face 16. The sensor information acquisition interface component is arranged on the position of a pad point of a sensor information acquisition interface component of an equipment circuit board. The test terminals are secured to the test board 12 and extend from the test face 16. Which is arranged at the position of the driving part pad point of the equipment circuit board.
The head frame 20 includes: a pair of detection head support columns 21, a beam frame 22, a lifting guide rail 23, a lifting pressure plate 25 and a plurality of pressure pins 24. The test head support column 21 has a column extension direction. The detection head support column 21 has a first end and a second end along the column extension direction. The first end is disposed on the testing board 12 and the extending direction of the pillar is perpendicular to the testing surface 16.
A beam 22 is secured to the second end and has a plane parallel to the test surface 16. The lifting guide rail 23 is provided to the beam 22 and extends in a lifting direction perpendicular to the test surface 16. One end of the lifting rail 23 can face the test surface 16. The lift-and-lower plate 25 is slidably provided to the lift rail 23 by a lift motor 26. The pressure raising and lowering plate 25 can be in a starting position (as shown in fig. 1) and a pressing position (as shown in fig. 2). The step-up and step-down plate 25 has a plate surface parallel to the test surface 16. Lift motor 26 has a drive interface. The plurality of pressing pins 24 are provided to the pressure increasing and decreasing plate 25. The plurality of pressing pins 24 have a direction in which the pressing pins 24 extend. The pressing pins 24 extend in a direction perpendicular to the pressing plate surface.
As shown in fig. 3, the detection control unit 30 includes a plurality of input ports 31, a plurality of output driving ports 32, and a controller 33. The input port 31 is connected to a plurality of test terminals 15. The output driving port is electrically connected to the driving interface of the lift motor 26, the plurality of power-on terminals 13, and the plurality of detection terminals 14, respectively.
The controller 33 performs steps configured to:
step S101, after receiving the start information, sending lifting driving information to a driving interface of the lifting motor 26, so that the lifting pressing plate 25 is located at the pressing position and the pressing pins 24 are pressed on the circuit board 40 of the device to be detected.
In step S102, the controller 33 sends the driving potentials of the plurality of test power-on terminals to the plurality of power-on terminals 13 according to the locally pre-stored power-on setting. So that the circuit board 40 of the device to be detected is electrified corresponding to the electric connection points of the plurality of electric connection terminals 13.
The controller 33 extracts the current multi-sensor trigger state from the multi-sensor state association data table stored locally in advance, and sets the current multi-sensor trigger state to the plurality of detection terminals 14. So that a plurality of receiving pins for receiving the sensor trigger information in the integrated circuit control board are set to be in the current multi-sensor trigger state. The current multi-sensor trigger state is an output state after multi-sensor sensing.
Step S103 collects test result information from the plurality of test terminals 15. Therefore, the control circuit board for detecting the trigger condition of the multiple sensors is realized.
As shown in fig. 4, in another preferred embodiment of the present invention, the method further includes: an activation button 33 having a trigger output. The input port 31 is connected to the trigger output and is capable of receiving the start-up information.
As shown in fig. 4, in another preferred embodiment of the present invention, the method further includes: a power-up button 34 having a power-up trigger terminal. The input port 31 is connected to the power-on trigger terminal and is capable of receiving power-on trigger information. Step S102 further includes that the controller 33 obtains a local pre-stored power-on setting according to the power-on trigger information.
As shown in fig. 4, in another preferred embodiment of the present invention, the method further includes: a test button 35 having a test trigger terminal. The input port 31 is connected to the test trigger terminal and is capable of receiving test trigger information. In step S103, the controller 33 collects test result information from the plurality of test terminals 15 according to the test trigger information.
In another preferred embodiment of the invention, as shown in fig. 1, a recessed surface 27 is formed on the test surface 16, the edge of the recessed surface 27 corresponding to the edge of the device circuit board, and the device circuit board 40 to be tested can be fixed in the recessed surface 27.
In another preferred embodiment of the present invention, two test units 11 are provided.
In another preferred embodiment of the present invention, a plurality of pressing pins 24 are uniformly distributed on the pressure increasing and decreasing plate 25. Thereby, the pressing of the device circuit board to be tested 40 is more uniform, so that the device circuit board to be tested can be better contacted with the upper electric terminal 13, the plurality of testing terminals 14 and the plurality of testing terminals 15.
In another preferred embodiment of the present invention, after step S103, the method further includes: in step S104, test result information is output through the plurality of output driver ports 32.
In another preferred embodiment of the present invention, step S104 further includes: the controller 33 determines whether the test result information matches pre-stored set test result information, and if so, generates test pass information, and if not, generates test abnormal information.
As shown in fig. 5, in another preferred embodiment of the present invention, the method further includes: a display 36 connected to the plurality of output drive ports 32. The display 36 can display test result information, test pass information, and test exception information.
"exemplary" means "serving as an example, instance, or illustration" herein, and any illustration, embodiment, or steps described as "exemplary" herein should not be construed as a preferred or advantageous alternative.
In this context, "equal," "same," and the like are not strictly mathematical and/or geometric limitations, but may also include tolerances as would be understood by one of ordinary skill in the art and permitted in the manufacture or use of the product (or method).
It should be understood that although the present description has been described in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein may be combined as suitable to form other embodiments, as will be appreciated by those skilled in the art.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. An electrical property detection apparatus of a control circuit board, comprising:
a test bench;
a test unit, comprising:
the test board is arranged on the test rack and is provided with a test surface;
a plurality of upper electrical terminals fixed to the test board and protruding from the test surface; the device can be arranged at the position of a power supply access pad point for enabling the equipment circuit board to work; and
a plurality of detection terminals fixed to the test board and protruding from the test surface; the sensor information acquisition interface component is arranged on a position of a pad point of the sensor information acquisition interface component of the equipment circuit board;
a plurality of test terminals fixed to the test board and protruding from the test surface; the device is arranged on the position of a driving part pad point of the equipment circuit board;
a headgear, comprising;
a pair of test head support posts having a direction of extension of the posts; the detection head support column is provided with a first end and a second end along the extension direction of the column body; the first end is arranged on the test board, and the extending direction of the cylinder is vertical to the test surface;
a beam mount secured to said second end and having a plane parallel to said test surface;
a lifting guide rail arranged on the beam frame and extending along a lifting direction vertical to the test surface; one end of the lifting guide rail can face the test surface;
a lifting pressure plate slidably disposed on the lifting guide rail by a lifting motor; the pressure rising and reducing plate can be positioned at an initial position and a pressing position; the lifting pressing plate is provided with a pressing plate surface parallel to the test surface; the lifting motor is provided with a driving interface; and
a plurality of pressing pins provided to the pressure increasing and decreasing plate; the pressing pins have a pressing pin extending direction; the extending direction of the pressing pin is vertical to the surface of the pressing plate; and
a detection control unit, which comprises,
a plurality of input ports to which the plurality of test terminals are connected;
the output driving ports are respectively and electrically connected with a driving interface of the lifting motor, the power-on terminals and the detection terminals;
a controller configured to perform the steps of:
step S101, after receiving the starting information, sending lifting driving information to a driving interface of the lifting motor so that the lifting pressing plate is located at the pressing position and the pressing pins are pressed on a circuit board of the equipment to be detected;
step S102, the controller sends driving potentials of a plurality of test connection ends to the plurality of electrifying terminals according to locally pre-stored electrifying settings; the circuit board of the equipment to be detected is electrified corresponding to the electric connection points of the plurality of electrifying terminals;
the controller extracts a current multi-sensor trigger state from a multi-sensor state association data table prestored locally, and sets the current multi-sensor trigger state on a plurality of detection terminals; setting a plurality of receiving pins for receiving sensor trigger information in the integrated circuit control board to be in the current multi-sensor trigger state; the current multi-sensor trigger state is an output state after multi-sensor sensing;
step S103, collecting test result information from the plurality of test terminals.
2. The electrical property detection apparatus of claim 1, comprising:
a start button having a trigger output;
the input port is connected with the trigger output end and can receive the starting information.
3. The electrical property detection apparatus of claim 2, comprising:
a power-on key having a power-on trigger terminal;
the input port is connected with the power-on trigger end and can receive the power-on trigger information;
the step S102 further includes that the controller obtains a local pre-stored power-on setting according to the power-on trigger information.
4. The electrical property detection apparatus of claim 3, comprising:
a test key having a test trigger end;
the input port is connected with the test trigger end and can receive the test trigger information;
in step S103, the controller collects test result information from the plurality of test terminals according to the test trigger information.
5. The electrical performance testing apparatus of claim 1, wherein a recessed surface is formed on said test surface, said recessed surface having an edge trace corresponding to an edge of said device circuit board, said device circuit board being capable of being secured in said recessed surface.
6. The electrical property detection apparatus of claim 1, said test units being arranged in two.
7. The electrical performance testing device of claim 1, wherein the plurality of press pins are evenly distributed across the voltage step-up and step-down board.
8. The electrical property detection apparatus of claim 1, further comprising after step S103:
and step S104, outputting the test result information through the output driving ports.
9. The electrical property detection apparatus of claim 8, further comprising, after said step S104:
and the controller judges whether the test result information is matched with pre-stored set test result information, if so, test passing information is generated, and if not, test abnormal information is generated.
10. The electrical property detection apparatus of claim 9, further comprising:
a display connected to the plurality of output drive ports; the display can display the test result information, the test passing information and the test abnormal information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911397419.4A CN111077431A (en) | 2019-12-30 | 2019-12-30 | Electrical property detection equipment of control circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911397419.4A CN111077431A (en) | 2019-12-30 | 2019-12-30 | Electrical property detection equipment of control circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111077431A true CN111077431A (en) | 2020-04-28 |
Family
ID=70319795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911397419.4A Pending CN111077431A (en) | 2019-12-30 | 2019-12-30 | Electrical property detection equipment of control circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111077431A (en) |
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2019
- 2019-12-30 CN CN201911397419.4A patent/CN111077431A/en active Pending
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