CN107957545B - FCT probe test instrument - Google Patents
FCT probe test instrument Download PDFInfo
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- CN107957545B CN107957545B CN201711420169.2A CN201711420169A CN107957545B CN 107957545 B CN107957545 B CN 107957545B CN 201711420169 A CN201711420169 A CN 201711420169A CN 107957545 B CN107957545 B CN 107957545B
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- 239000000523 sample Substances 0.000 title claims abstract description 34
- 238000012360 testing method Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 58
- 230000005611 electricity Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 12
- 238000011990 functional testing Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
-
- 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]
- G01R31/2818—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP] using test structures on, or modifications of, the card under test, made for the purpose of testing, e.g. additional components or connectors
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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
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses an FCT probe testing instrument, which comprises a control box, a movable plate and a carrier plate, wherein the carrier plate and the movable plate are positioned above the control box, and the movable plate and the carrier plate are respectively positioned on two opposite sides of the upper surface of the control box; a left positioning block and a right positioning block which are matched with the left side and the right side of the ECU box are arranged above the carrier plate, and the two positioning blocks are mutually close to or far away from each other through a clamping driving mechanism so as to clamp or loosen the ECU box; the direction of the movable plate relative to the carrier plate is defined as the front, the movable plate is provided with a movable driving mechanism for driving the movable plate to move forwards and backwards, a needle plate is arranged above the movable plate, and the left side and the right side of the needle plate are respectively provided with a lifting driving mechanism for driving the needle plate to lift or descend. The invention not only enables the probe to be automatically connected with the interface of the ECU box and detect, thereby improving the detection efficiency, but also can detect various ECU boxes with different sizes and interfaces at different positions on the ECU box without changing the probe and reducing the detection cost.
Description
Technical Field
The invention belongs to the technical field of testing, and particularly relates to an FCT probe testing instrument.
Background
FCT (functional test) refers to a test method that provides a simulated operating environment (stimulus and load) for an electronic control unit to be tested, so that the electronic control unit operates in various design states, and parameters of the various states are acquired to verify the functional quality of the electronic control board. In short, it is the electronic control board that is loaded with the appropriate stimulus to measure whether the output response is satisfactory.
At present, an ECU box is usually fixed on a carrier plate in the test of an ECU (electronic control unit) special for an automobile, and a needle plate with a probe is manually pushed during the test to enable the probe to be in contact with an ECU interface for the test, so that the labor intensity is greatly improved, time and labor are wasted, and the detection efficiency is reduced.
The utility model provides a FCT function test fixture of chinese patent application number 201420041642.1, including end box, support plate, sky board, spliced pole, electric lifting device and test needle, set up movable structure through electric lifting device for the support plate can go up and down, thereby improves efficiency of software testing and detect stably, but the test needle is arranged in the upper end of end box, and is immovable, to the difference of various not unidimensional ECU boxes and interface distribution position on the ECU box, need change test needle position and support plate again, not only waste time and energy, but also increased the cost.
Disclosure of Invention
The invention mainly solves the technical problem of providing the FCT probe testing instrument, which not only enables the probe to be automatically connected with the interface of the ECU box and detect the probe, thereby improving the detection efficiency, but also can detect the ECU boxes with different sizes and the interfaces at different positions on the ECU box without changing the probe and reduce the detection cost.
In order to solve the technical problems, the invention adopts a technical scheme that: the FCT probe testing instrument comprises a control box, a movable plate and a carrier plate, wherein the carrier plate and the movable plate are both positioned above the control box, and the movable plate and the carrier plate are respectively positioned on two opposite sides of the upper surface of the control box;
a left positioning block and a right positioning block which are matched with the left side and the right side of the ECU box are arranged above the carrier plate, and the two positioning blocks are mutually close to or far away from each other through a clamping driving mechanism so as to clamp or loosen the ECU box;
Defining the direction of the movable plate relative to the carrier plate as the front, wherein the movable plate is provided with a movable driving mechanism for driving the movable plate to move forwards and backwards, a needle plate is arranged above the movable plate, lifting driving mechanisms for driving the needle plate to lift or descend are arranged on the left side and the right side of the needle plate, two sliding bases in the front-back direction are arranged above the needle plate, each sliding base is provided with a sliding driving mechanism for driving the sliding base to move leftwards and rightwards, and probes corresponding to interfaces of the ECU box one by one are arranged at one ends of the sliding bases close to the carrier plate;
the automatic dotting machine is characterized in that a dotting pen is further arranged above the control box, the dotting pen is provided with a dotting driving mechanism for driving the dotting pen to be close to or far away from the ECU box, and the movable driving mechanism, the lifting driving mechanism, the sliding driving mechanism, the clamping driving mechanism, the dotting driving mechanism and the probe are electrically connected with the control box.
Further, the dotting driving mechanism comprises a supporting block, a dotting cylinder and a limiting plate, wherein the supporting block is fixed on the upper surface of the control box, the dotting cylinder is fixed on the supporting block, one end of the dotting pen is fixed on a push rod of the dotting cylinder, and the pen point end of the dotting pen penetrates through a through hole of the limiting plate.
Further, the moving driving mechanism comprises a pushing cylinder for driving the movable plate to move forwards and backwards, the pushing cylinder is fixed on the control box, and a push rod of the pushing cylinder is connected with the center of the movable plate.
Further, the lifting driving mechanism comprises a first screw rod and a lifting driving motor for driving the needle plate to ascend or descend, the lifting driving motor is fixed on the movable plate, an output shaft of the lifting driving motor is connected with the lower end of the first screw rod, the upper end of the first screw rod is connected with a screw hole of the needle plate, and an inner surface of the screw hole of the needle plate is provided with an inner thread matched with an outer thread of the first screw rod.
Further, the sliding driving mechanism comprises a second screw rod and a sliding driving motor for driving the sliding base to move left and right, the sliding driving motor is fixed on the needle plate, an output shaft of the sliding driving motor is connected with one end of the second screw rod, the other end of the second screw rod is connected with a screw hole of the sliding base, and an inner surface of the screw hole of the sliding base is provided with an inner thread matched with an outer thread of the second screw rod.
Further, the upper surface of the needle plate is provided with two sliding rails in the left-right direction, the sliding rails are respectively positioned at the front side and the rear side of the needle plate, and the lower surface of the sliding base is inwards recessed to form a structure matched with the sliding rails so that the sliding base moves along the direction of the sliding rails.
Further, a touch display screen is further arranged on the upper surface of the control box, and the touch display screen is electrically connected with the control box.
Further, the clamping driving mechanism comprises two clamping air cylinders which respectively drive the two positioning blocks to move left and right, the two clamping air cylinders are fixed on the edge of the upper surface of the carrier plate and are symmetrically distributed on the left side and the right side of the carrier plate, and push rods of the clamping air cylinders are connected with the centers of the positioning blocks.
Further, a baffle plate is arranged on one side of the side surface of the carrier plate, which is opposite to the needle plate, and the baffle plate is arranged along the length direction of the carrier plate and protrudes out of the upper surface of the carrier plate.
Further, a plurality of anti-slip strips are uniformly distributed on the side surface, which is contacted with the ECU box, of the side surfaces of the two positioning blocks, and the anti-slip strips are arranged along the up-down direction of the positioning blocks.
The beneficial effects of the invention are at least as follows:
The movable plate is provided with the movable driving mechanism for driving the movable plate to move forwards and backwards, the needle plate is arranged above the movable plate, the lifting driving mechanisms for driving the needle plate to lift or descend are arranged on the left side and the right side of the needle plate, two sliding bases in the front-back direction are arranged above the needle plate, and each sliding base is provided with the sliding driving mechanism for driving the needle plate to move left and right, so that the probe is automatically connected with an interface of the ECU box and is detected, the detection efficiency is improved, the interfaces at different positions on the ECU box can be detected, the probe does not need to be replaced, the detection cost is reduced, and the detection efficiency is improved;
the left and right positioning blocks matched with the left and right sides of the ECU box are arranged above the carrier plate, the two positioning blocks are mutually close to or far away from each other through the clamping driving mechanism to clamp or loosen the ECU box, the baffle plate is arranged on one side of the carrier plate opposite to the needle plate and is arranged along the length direction of the carrier plate and protrudes out of the upper surface of the carrier plate, the ECU boxes with different sizes can be fixed and detected, the carrier does not need to be replaced, and the detection cost is reduced;
according to the invention, the plurality of anti-slip strips are uniformly distributed on the side surface, which is contacted with the ECU box, of the side surfaces of the two positioning blocks, and are arranged along the up-down direction of the positioning blocks, so that the friction force between the ECU box and the positioning blocks is increased, the ECU box is stably fixed on the carrier plate, and the detection stability is improved;
the upper part of the control box is also provided with the dotting pen, the dotting pen is provided with the dotting driving mechanism for driving the dotting pen and the ECU box to be mutually close to or far away from each other, and the dotting pen is used for dotting and marking the ECU which is qualified in test, so that unqualified products are prevented from being mixed in, and the detection quality is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of the invention at A of FIG. 1;
FIG. 3 is a schematic view of the positioning block of the present invention;
FIG. 4 is a control schematic of the present invention;
The parts in the drawings are marked as follows:
Control box 1, guide rail 11, movable plate 2, push cylinder 21, carrier plate 3, ECU box 4, interface 41, needle plate 5, first lead screw 51, lift driving motor 52, guide bar 53, slide rail 54, slide base 6, second lead screw 61, slide driving motor 62, probe 7, dotting pen 8, supporting block 81, dotting cylinder 82, limiting plate 83, touch display screen 9, positioning block 10, clamping cylinder 101, antislip strip 102, and baffle 100.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
Examples: 1-4, the FCT probe testing instrument comprises a control box 1, a movable plate 2 and a carrier plate 3, wherein the carrier plate 3 and the movable plate 2 are both positioned above the control box 1, and the movable plate 2 and the carrier plate 3 are respectively positioned on two opposite sides of the upper surface of the control box 1;
A left positioning block 10 and a right positioning block 10 which are matched with the left side and the right side of the ECU box 4 are arranged above the carrier plate 3, and the two positioning blocks 10 are mutually close to or far away from each other through a clamping driving mechanism so as to clamp or loosen the ECU box 4;
Defining the direction of the movable plate 2 relative to the carrier plate 3 as the front, wherein the movable plate 2 is provided with a moving driving mechanism for driving the movable plate to move forwards and backwards, a needle plate 5 is arranged above the movable plate 2, lifting driving mechanisms for driving the needle plate 5 to lift or descend are arranged on the left side and the right side of the needle plate 5, two sliding bases 6 in the front-back direction are arranged above the needle plate 5, each sliding base 6 is provided with a sliding driving mechanism for driving the sliding base to move leftwards and rightwards, and probes 7 corresponding to interfaces 41 of the ECU box 4 are arranged at one end, close to the carrier plate 3, of the sliding base 6;
The upper part of the control box 1 is also provided with a dotting pen 8, the dotting pen 8 is provided with a dotting driving mechanism for driving the dotting pen to be close to or far away from the ECU box 4, and the movable driving mechanism, the lifting driving mechanism, the sliding driving mechanism, the clamping driving mechanism, the dotting driving mechanism and the probe 7 are electrically connected with the control box 1.
The dotting driving mechanism comprises a supporting block 81, a dotting cylinder 82 and a limiting plate 83, wherein the supporting block 81 is fixed on the upper surface of the control box 1, the dotting cylinder 82 is fixed on the supporting block 81, one end of the dotting pen 8 is fixed on a push rod of the dotting cylinder 82, and the pen point end of the dotting pen 8 penetrates through a through hole of the limiting plate 83.
The movement driving mechanism comprises a pushing cylinder 21 for driving the movable plate 2 to move forwards and backwards, the pushing cylinder 21 is fixed on the control box 1, and a push rod of the pushing cylinder 21 is connected with the center of the movable plate 2.
In specific implementation, the upper surface of the control box 1 is provided with two guide rails 11 in the front-rear direction and are respectively located at the left side and the right side of the movable plate 2, and the lower surface of the movable plate 2 is recessed inwards to form a structure matched with the guide rails 11 so that the movable plate 2 moves along the direction of the guide rails 11.
The lifting driving mechanism comprises a first screw rod 51 and a lifting driving motor 52 for driving the needle plate 5 to ascend or descend, the lifting driving motor 52 is fixed on the movable plate 2, an output shaft of the lifting driving motor 52 is connected with the lower end of the first screw rod 51, the upper end of the first screw rod 51 is connected with a screw hole of the needle plate 5, and an inner surface of the screw hole of the needle plate 5 is provided with an inner thread matched with an outer thread of the first screw rod 51.
In a specific implementation, at least one guide rod 53 is disposed on both the left and right sides of the needle plate 5, the lower end of the guide rod 53 is fixed on the movable plate 2, and the upper end of the guide rod 53 passes through the needle plate 5.
The sliding driving mechanism comprises a second screw rod 61 and a sliding driving motor 62 for driving the sliding base 6 to move left and right, the sliding driving motor 62 is fixed on the needle plate 5, an output shaft of the sliding driving motor 62 is connected with one end of the second screw rod 61, the other end of the second screw rod 61 is connected with a screw hole of the sliding base 6, and an inner surface of the screw hole of the sliding base 6 is provided with an inner thread matched with an outer thread of the second screw rod 61.
The upper surface of the needle plate 5 is provided with two slide rails 54 in the left-right direction, the slide rails 54 are respectively positioned at the front side and the rear side of the needle plate 5, and the lower surface of the sliding base 6 is recessed inwards to form a structure matched with the slide rails 54 so that the sliding base 6 moves along the direction of the slide rails 54.
The upper surface of control box 1 still is equipped with touch-control display screen 9, touch-control display screen 9 with control box 1 electricity is connected.
The clamping driving mechanism comprises two clamping air cylinders 101 which respectively drive two positioning blocks 10 to move left and right, the two clamping air cylinders 101 are fixed on the edge of the upper surface of the carrier plate 3 and are symmetrically distributed on the left side and the right side of the carrier plate 3, and push rods of the clamping air cylinders 101 are connected with the center of the positioning blocks 10.
A baffle 100 is disposed on a side of the side surface of the carrier plate 3 opposite to the needle plate 5, and the baffle 100 is disposed along the length direction of the carrier plate 3 and protrudes from the upper surface of the carrier plate 3.
A plurality of anti-slip strips 102 are uniformly distributed on the side surface, which is contacted with the ECU box 4, of the side surfaces of the two positioning blocks 10, and the anti-slip strips 102 are arranged along the up-down direction of the positioning blocks 10.
The working principle of the invention is as follows: the ECU box is placed on the support plate, so that an ECU box interface faces to the direction of the probe, a left positioning block and a right positioning block which are matched with the left side and the right side of the ECU box are arranged above the support plate, the clamping driving mechanism is controlled by the touch display screen to clamp the ECU box, the lifting driving mechanism and the sliding driving mechanism are controlled to adjust the position of the probe, the probe is connected with the interface of the ECU box through the moving driving mechanism for detection, if the ECU box is qualified in test, the dotting driving mechanism drives the dotting pen to mark the ECU, the probe is separated from the interface of the ECU box after the test is finished, and then the tested ECU box is taken away.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the present invention and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present invention.
Claims (7)
1. An FCT probe test instrument, characterized in that: the device comprises a control box (1), a movable plate (2) and a carrier plate (3), wherein the carrier plate and the movable plate are both positioned above the control box, and the movable plate and the carrier plate are respectively positioned on two opposite sides of the upper surface of the control box;
A left positioning block (10) and a right positioning block (10) which are matched with the left side and the right side of the ECU box (4) are arranged above the carrier plate, and the two positioning blocks are mutually close to or far away from each other through a clamping driving mechanism so as to clamp or loosen the ECU box;
The direction of the movable plate relative to the carrier plate is defined as the front, the movable plate is provided with a movable driving mechanism for driving the movable plate to move forwards and backwards, a needle plate (5) is arranged above the movable plate, lifting driving mechanisms for driving the needle plate to lift or descend are arranged on the left side and the right side of the needle plate, two sliding bases (6) in the front-back direction are arranged above the needle plate, each sliding base is provided with a sliding driving mechanism for driving the movable plate to move leftwards and rightwards, and probes (7) corresponding to interfaces (41) of the ECU box one by one are arranged at one end, close to the carrier plate, of each sliding base;
A dotting pen (8) is arranged above the control box, the dotting pen is provided with a dotting driving mechanism for driving the dotting pen to be close to or far away from the ECU box, and the movable driving mechanism, the lifting driving mechanism, the sliding driving mechanism, the clamping driving mechanism, the dotting driving mechanism and the probe are all electrically connected with the control box;
The movable driving mechanism comprises a pushing air cylinder (21) for driving the movable plate to move forwards and backwards, the pushing air cylinder is fixed on the control box, and a push rod of the pushing air cylinder is connected with the center of the movable plate;
The sliding driving mechanism comprises a second screw rod (61) and a sliding driving motor (62) for driving the sliding base to move left and right, the sliding driving motor is fixed on the needle plate, an output shaft of the sliding driving motor is connected with one end of the second screw rod, the other end of the second screw rod is connected with a screw hole of the sliding base, and an inner surface of the screw hole of the sliding base is provided with an inner thread matched with an outer thread of the second screw rod;
and a baffle (100) is arranged on one side of the side surface of the carrier plate, which is opposite to the needle plate, and the baffle is arranged along the length direction of the carrier plate and protrudes out of the upper surface of the carrier plate.
2. The FCT probe test apparatus according to claim 1, wherein: the dotting driving mechanism comprises a supporting block (81), a dotting cylinder (82) and a limiting plate (83), wherein the supporting block is fixed on the upper surface of the control box, the dotting cylinder is fixed on the supporting block, one end of the dotting pen is fixed on a push rod of the dotting cylinder, and the pen point end of the dotting pen penetrates through a through hole of the limiting plate.
3. The FCT probe test apparatus according to claim 1, wherein: the lifting driving mechanism comprises a first screw rod (51) and a lifting driving motor (52) for driving the needle plate to ascend or descend, the lifting driving motor is fixed on the movable plate, an output shaft of the lifting driving motor is connected with the lower end of the first screw rod, the upper end of the first screw rod is connected with a screw hole of the needle plate, and an inner surface of the screw hole of the needle plate is provided with an inner thread matched with an outer thread of the first screw rod.
4. The FCT probe test apparatus according to claim 1, wherein: the upper surface of faller is equipped with two slide rails (54) of left and right directions, just the slide rail is located respectively the front and back both sides of faller, slide base's lower surface inwards sunken formation with slide rail assorted structure is in order to make slide base follows slide rail's direction removes.
5. The FCT probe test apparatus according to claim 1, wherein: the upper surface of control box still is equipped with touch-control display screen (9), touch-control display screen with the control box electricity is connected.
6. The FCT probe test apparatus according to claim 1, wherein: the clamping driving mechanism comprises two clamping air cylinders (101) which respectively drive the two positioning blocks to move left and right, the two clamping air cylinders are fixed on the edge of the upper surface of the carrier plate and are symmetrically distributed on the left side and the right side of the carrier plate, and push rods of the clamping air cylinders are connected with the centers of the positioning blocks.
7. The FCT probe test apparatus according to claim 1, wherein: and a plurality of anti-slip strips (102) are uniformly distributed on the side surface, which is contacted with the ECU box, of the side surfaces of the two positioning blocks, and the anti-slip strips are arranged along the up-down direction of the positioning blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711420169.2A CN107957545B (en) | 2017-12-25 | 2017-12-25 | FCT probe test instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711420169.2A CN107957545B (en) | 2017-12-25 | 2017-12-25 | FCT probe test instrument |
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| CN107957545A CN107957545A (en) | 2018-04-24 |
| CN107957545B true CN107957545B (en) | 2024-09-06 |
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| CN201711420169.2A Active CN107957545B (en) | 2017-12-25 | 2017-12-25 | FCT probe test instrument |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108427070A (en) * | 2018-05-22 | 2018-08-21 | 淮安杰鼎唐科技有限公司 | Circuit board detecting equipment and test system |
| CN108536131B (en) * | 2018-06-19 | 2024-02-13 | 武汉菱电汽车电控系统股份有限公司 | ECU connecting piece, ECU and ECU subassembly |
| CN113589145A (en) * | 2020-11-20 | 2021-11-02 | 珠海艾派克微电子有限公司 | Tooling equipment and test system |
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Also Published As
| Publication number | Publication date |
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| CN107957545A (en) | 2018-04-24 |
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