CN107943010B - FCT testing device based on motor simulation - Google Patents
FCT testing device based on motor simulation Download PDFInfo
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- CN107943010B CN107943010B CN201711421420.7A CN201711421420A CN107943010B CN 107943010 B CN107943010 B CN 107943010B CN 201711421420 A CN201711421420 A CN 201711421420A CN 107943010 B CN107943010 B CN 107943010B
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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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Abstract
The invention discloses an FCT testing device based on motor simulation, which comprises a control box, a movable plate and a needle plate, wherein the movable plate is positioned above the control box, the needle plate is arranged along the length direction of the control box and is mutually perpendicular to the upper surface of the control box, the needle plate is provided with probes which are in one-to-one correspondence with interfaces of an ECU box, and the movable plate and the needle plate are respectively positioned on two opposite sides of the upper surface of the control box; the direction of the needle plate relative to the movable 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 carrier plate is arranged above the movable plate, and the left side and the right side of the carrier plate are respectively provided with a lifting driving mechanism for driving the carrier plate to lift or descend. The invention has stable structure and high detection efficiency, can detect ECU boxes with different sizes, does not need to replace a carrier, reduces detection cost, simulates the real running state of the back door of the automobile, and ensures that the test is more scientific and reliable.
Description
Technical Field
The invention belongs to the technical field of testing, and particularly relates to an FCT testing device based on motor simulation.
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 (electronic control unit) box is usually fixed on a carrier plate in the test of a microcomputer controller special for an automobile, a needle plate with a probe is positioned on one side of the ECU box by adopting a spring, and the needle plate 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, the time and the labor are wasted, and the detection efficiency is reduced.
The utility model provides a FCT acupuncture point test fixture of chinese patent application number 201110386323.5, includes end box, faller, carrier plate, sky board and the pushing down device that from bottom to top set up in proper order, though improves test efficiency and easy operation, laborsaving, stability are good, but to the product of different size specifications, need change the module that carrier plate and sky board constitute, not only waste time and energy, still increased the cost.
In addition, at present, almost all manufacturers and suppliers adopt a simulation system to perform virtual test on the ECU box, but test equipment is too simple to truly simulate the running condition of a real mechanism, so that the test lacks scientificity.
Disclosure of Invention
The invention mainly solves the technical problem of providing the FCT testing device based on motor simulation, which has the advantages of stable structure, high detection efficiency, capability of detecting ECU boxes with different sizes, no need of replacing a carrier, reduction of detection cost and more scientific and reliable test, and simulates the real running state of the back door of the automobile.
In order to solve the technical problems, the invention adopts a technical scheme that: the FCT testing device based on motor simulation comprises a control box, a movable plate and a needle plate, wherein the movable plate is positioned above the control box, the needle plate is arranged along the length direction of the control box and is perpendicular to the upper surface of the control box, the needle plate is provided with probes in one-to-one correspondence with interfaces of the ECU box, and the movable plate and the needle plate are respectively positioned on two opposite sides of the upper surface of the control box;
defining the direction of the needle plate relative to the movable plate as the front, wherein the movable plate is provided with a movable driving mechanism for driving the movable plate to move back and forth, a carrier plate is arranged above the movable plate, lifting driving mechanisms for driving the carrier plate to lift or descend are arranged on the left side and the right side of the carrier plate, left and right positioning blocks 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 control box is internally provided with a test controller, a power module, a signal converter, a back door lock driving motor for simulating driving the back door lock to unlock or lock and a support rod driving motor for simulating driving the support rod to move to open or close the door, wherein the back door lock driving motor, the support rod driving motor and the test controller are respectively and electrically connected with the probe, the signal converter is electrically connected with peripheral equipment, and the signal converter, the power module, the back door lock driving motor, the support rod driving motor, the movable driving mechanism, the lifting driving mechanism and the clamping driving mechanism are respectively and electrically connected with the test controller;
the upper part of the control box is also provided with a dotting pen, 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 dotting driving mechanism is electrically connected with peripheral equipment.
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.
Further, the movable driving mechanism comprises a first screw rod and a movable driving motor for driving the movable plate to move back and forth, the movable driving motor is fixed on the control box, an output shaft of the movable driving motor is connected with one end of the first screw rod, the other end of the first screw rod is connected with a screw hole of the movable plate, and an inner surface of the screw hole of the movable plate is provided with an inner thread matched with an outer thread of the first screw rod.
Further, the lifting driving mechanism comprises a second screw rod and a lifting driving motor for driving the carrier 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 second screw rod, the upper end of the second screw rod is connected with a screw hole of the carrier plate, and an inner thread matched with an outer thread of the second screw rod is arranged on the inner surface of the screw hole of the carrier plate.
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, 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, 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 test controller.
Further, the back door lock driving motor comprises an unlocking driving motor and a locking driving motor, the unlocking driving motor and the locking driving motor are respectively and electrically connected with the probe, and the unlocking driving motor and the locking driving motor are respectively and electrically connected with the test controller.
Further, the stay bar driving motor comprises a door opening driving motor and a door closing driving motor, the door opening driving motor and the door closing driving motor are respectively and electrically connected with the probe, and the door opening driving motor and the door closing driving motor are respectively and electrically connected with the test controller.
The beneficial effects of the invention are at least as follows:
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;
the movable plate is provided with the movable driving mechanism for driving the movable plate to move back and forth, the carrier plate is arranged above the movable plate, the left side and the right side of the carrier plate are respectively provided with the lifting driving mechanism for driving the carrier plate to lift or descend, and the clamping driving mechanism can finely adjust the position of the ECU box in the left-right direction, so that an interface of the ECU box is automatically connected with the probe and is used for detecting, and the detection efficiency is improved;
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 invention has the back door lock driving motor for simulating the unlocking or locking of the back door lock and the supporting rod driving motor for simulating the movement of the driving supporting rod to open or close the door, the test controller feeds back the running states of the back door lock driving motor and the supporting rod driving motor to the ECU box, and monitors the actual running states of the back door lock driving motor and the supporting rod driving motor at the same time, and simulates the actual running state of the back door of the automobile, so that the test is more scientific and reliable.
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 control schematic of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is an enlarged view of the invention at A of FIG. 2;
FIG. 4 is a schematic view of the positioning block of the present invention;
the parts in the drawings are marked as follows:
control box 1, guide rail 11, test controller 12, power module 13, signal converter 14, peripheral equipment 15, unlocking driving motor 16, locking driving motor 17, door opening driving motor 18, door closing driving motor 19, movable plate 2, first screw 21, moving driving motor 22, needle plate 3, probe 31, ECU box 4, interface 41, carrier plate 5, second screw 51, lifting driving motor 52, guide rod 53, positioning block 6, antislip strip 61, clamping cylinder 62, dotting pen 7, supporting block 71, dotting cylinder 72, limiting plate 73, baffle 8 and touch display screen 9.
Description of the embodiments
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 testing device based on motor simulation comprises a control box 1, a movable plate 2 and a needle plate 3, wherein the movable plate 2 is positioned above the control box 1, the needle plate 3 is arranged along the length direction of the control box 1, the needle plate 3 is perpendicular to the upper surface of the control box 1, the needle plate 3 is provided with probes 31 which are in one-to-one correspondence with interfaces 41 of an ECU box 4, and the movable plate 2 and the needle plate 3 are respectively positioned on two opposite sides of the upper surface of the control box 1;
defining the direction of the needle plate 3 relative to the movable plate 2 as the front, wherein the movable plate 2 is provided with a movable driving mechanism for driving the movable plate to move back and forth, a carrier plate 5 is arranged above the movable plate 2, lifting driving mechanisms for driving the carrier plate 5 to lift or descend are arranged on the left side and the right side of the carrier plate 5, a left positioning block 6 and a right positioning block 6 which are matched with the left side and the right side of the ECU box 4 are arranged above the carrier plate 5, and the two positioning blocks 6 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;
the inside of the control box 1 is provided with a test controller 12, a power module 13, a signal converter 14, a back door lock driving motor for simulating the unlocking or locking of a driving back door lock and a stay bar driving motor for simulating the driving of the movement of a stay bar to open or close a door, wherein the back door lock driving motor, the stay bar driving motor and the test controller 12 are respectively and electrically connected with the probe 31, the signal converter 14 is electrically connected with peripheral equipment 15, and the signal converter 14, the power module 13, the back door lock driving motor, the stay bar driving motor, the moving driving mechanism, the lifting driving mechanism and the clamping driving mechanism are respectively and electrically connected with the test controller 12;
the upper part of the control box 1 is also provided with a dotting pen 7, the dotting pen 7 is provided with a dotting driving mechanism for driving the dotting pen 7 and the ECU box 4 to be close to or far away from each other, and the dotting driving mechanism is electrically connected with the peripheral equipment 15.
A baffle plate 8 is arranged on one side of the side surface of the carrier plate 5, which is opposite to the needle plate 3, and the baffle plate 8 is arranged along the length direction of the carrier plate 5 and protrudes out of the upper surface of the carrier plate 5.
A plurality of anti-slip strips 61 are uniformly distributed on the side surface, which is contacted with the ECU box 4, of the side surfaces of the two positioning blocks 6, and the anti-slip strips 61 are arranged along the up-down direction of the positioning blocks 6.
The movable driving mechanism comprises a first screw rod 21 and a movable driving motor 22 for driving the movable plate 2 to move back and forth, the movable driving motor 22 is fixed on the control box 1, an output shaft of the movable driving motor 22 is connected with one end of the first screw rod 21, the other end of the first screw rod 21 is connected with a screw hole of the movable plate 2, and an inner surface of the screw hole of the movable plate 2 is provided with an inner thread matched with an outer thread of the first screw rod 21.
In specific implementation, the upper surface of the control box 1 is provided with two guide rails 11 in the front-back direction and are respectively located at two sides of the lower surface 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 second screw rod 51 and a lifting driving motor 52 for driving the carrier 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 second screw rod 51, the upper end of the second screw rod 51 is connected with a screw hole of the carrier plate 5, and an inner surface of the screw hole of the carrier plate 5 is provided with an inner thread matched with an outer thread of the second screw rod 51.
In the implementation, at least one guide rod 53 is disposed on both the left and right sides of the carrier 5, the lower end of the guide rod 53 is fixed to the movable plate 2, and the upper end of the guide rod 53 passes through the carrier 5.
The clamping driving mechanism comprises two clamping air cylinders 62 which respectively drive the two positioning blocks 6 to move left and right, the two clamping air cylinders 62 are fixed on the edge of the upper surface of the carrier plate 5 and are symmetrically distributed on the left side and the right side of the carrier plate 5, and push rods of the clamping air cylinders 62 are connected with the center of the positioning blocks 6.
The dotting driving mechanism comprises a supporting block 71, a dotting cylinder 72 and a limiting plate 73, wherein the supporting block 71 is fixed on the upper surface of the control box 1, the dotting cylinder 72 is fixed on the supporting block 71, one end of the dotting pen 7 is fixed on a push rod of the dotting cylinder 72, and the pen point end of the dotting pen 7 penetrates through a through hole of the limiting plate 73.
The upper surface of control box 1 still is equipped with touch-control display screen 9, touch-control display screen 9 with test controller electricity is connected.
The back door lock driving motor comprises an unlocking driving motor 16 and a locking driving motor 17, wherein the unlocking driving motor and the locking driving motor are respectively and electrically connected with the probe, and the unlocking driving motor and the locking driving motor are respectively and electrically connected with the test controller.
The stay bar driving motor comprises a door opening driving motor 18 and a door closing driving motor 19, the door opening driving motor and the door closing driving motor are respectively and electrically connected with the probe, and the door opening driving motor and the door closing driving motor are respectively and electrically connected with the test controller.
In specific implementation, the peripheral device 15 is a computer or a tablet computer.
The working principle of the invention is as follows: the ECU box is placed on a carrier plate, an ECU box interface faces to the direction of probes, left and right positioning blocks matched with the left and right sides of the ECU box are arranged above the carrier plate, a clamping driving mechanism is controlled by a touch display screen to clamp the ECU box, the interfaces of the ECU box and the probes are connected and detected by utilizing a moving driving mechanism and a lifting driving mechanism, the ECU box controls the unlocking driving motor to operate, the test controller detects the unlocking driving motor and feeds signals back to the ECU box, the ECU box receives signals to stop the unlocking driving motor to operate, the test controller detects the unlocking driving motor and the door opening driving motor and feeds signals back to the ECU box, the ECU box receives signals to stop the door opening driving motor to rotate, the test controller detects the door opening driving motor and the door closing driving motor and feeds the signals back to the ECU box, the ECU box receives signals to stop the driving motor to rotate, the test controller controls the locking driving motor to operate, the test controller detects the ECU box and feeds the signals back to the ECU box, and the test controller receives signals to the ECU box, and the test box is separated from the test box, and the test box is closed after the test box is closed, and the test box is closed.
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 (8)
1. FCT testing arrangement based on motor simulation, its characterized in that: the device comprises a control box (1), a movable plate (2) and a needle plate (3), wherein the movable plate is positioned above the control box, the needle plate is arranged along the length direction of the control box and is mutually perpendicular to the upper surface of the control box, the needle plate is provided with probes (31) which are in one-to-one correspondence with interfaces (41) of an ECU box (4), and the movable plate and the needle plate are respectively positioned on two opposite sides of the upper surface of the control box;
the direction of the needle plate relative to the movable plate is defined as the front, the movable plate is provided with a movable driving mechanism for driving the movable plate to move back and forth, a carrier plate (5) is arranged above the movable plate, lifting driving mechanisms for driving the carrier plate to lift or descend are arranged on the left side and the right side of the carrier plate, left and right positioning blocks (6) 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 control box is internally provided with a test controller (12), a power supply module (13), a signal converter (14), a back door lock driving motor for simulating the unlocking or locking of a back door lock and a stay bar driving motor for simulating the movement of a driving stay bar to open or close a door, wherein the back door lock driving motor, the stay bar driving motor and the test controller are respectively and electrically connected with the probe, the signal converter is electrically connected with peripheral equipment (15), and the signal converter, the power supply module, the back door lock driving motor, the stay bar driving motor, the moving driving mechanism, the lifting driving mechanism and the clamping driving mechanism are respectively and electrically connected with the test controller;
a dotting pen (7) 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 dotting driving mechanism is electrically connected with the test controller;
a baffle (8) is arranged on one side, opposite to the needle plate, of the side surface of the carrier 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;
and a plurality of anti-slip strips (61) 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.
2. The FCT test apparatus based on motor simulation according to claim 1, wherein: the movable driving mechanism comprises a first screw rod (21) and a movable driving motor (22) for driving the movable plate to move back and forth, the movable driving motor is fixed on the control box, an output shaft of the movable driving motor is connected with one end of the first screw rod, the other end of the first screw rod is connected with a screw hole of the movable plate, and an inner surface of the screw hole of the movable plate is provided with an inner thread matched with an outer thread of the first screw rod.
3. The FCT test apparatus based on motor simulation according to claim 1, wherein: the lifting driving mechanism comprises a second screw rod (51) and a lifting driving motor (52) for driving the carrier 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 second screw rod, the upper end of the second screw rod is connected with a screw hole of the carrier plate, and an inner surface of the screw hole of the carrier plate is provided with an inner thread matched with an outer thread of the second screw rod.
4. The FCT test apparatus based on motor simulation according to claim 1, wherein: the clamping driving mechanism comprises two clamping air cylinders (62) 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.
5. The FCT test apparatus based on motor simulation according to claim 1, wherein: the dotting driving mechanism comprises a supporting block (71), a dotting cylinder (72) and a limiting plate (73), 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.
6. The FCT test apparatus based on motor simulation 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 test controller electricity is connected.
7. The FCT test apparatus based on motor simulation according to claim 1, wherein: the back door lock driving motor comprises an unlocking driving motor (16) and a locking driving motor (17), wherein the unlocking driving motor and the locking driving motor are respectively and electrically connected with the probe, and the unlocking driving motor and the locking driving motor are respectively and electrically connected with the test controller.
8. The FCT test apparatus based on motor simulation according to claim 1, wherein: the stay bar driving motor comprises a door opening driving motor (18) and a door closing driving motor (19), wherein the door opening driving motor and the door closing driving motor are respectively and electrically connected with the probe, and the door opening driving motor and the door closing driving motor are respectively and electrically connected with the test controller.
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| CN201711421420.7A CN107943010B (en) | 2017-12-25 | 2017-12-25 | FCT testing device based on motor simulation |
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| CN201711421420.7A CN107943010B (en) | 2017-12-25 | 2017-12-25 | FCT testing device based on motor simulation |
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| CN107943010B true CN107943010B (en) | 2023-07-07 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112014730A (en) * | 2020-07-30 | 2020-12-01 | 航天科工空间工程发展有限公司 | Testing device for motor load performance |
| 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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