Testing tool and testing system for parallel port equipment

Abstract

The utility model relates to the technical field of parallel port equipment testing, and discloses a parallel port equipment testing tool and a parallel port equipment testing system, and the testing tool comprises a testing device which is used for testing parallel port equipment; the testing device is provided with a testing interface, and the parallel port equipment is provided with an output interface; one end of the switching assembly is in communication connection with the test interface, and the other end of the switching assembly is in communication connection with the output interface; the line sequence definition of the transfer connection line of the transfer assembly corresponds to the interface definition of the output interface, and the interface definition of the output interface corresponds to the type of the parallel port equipment. According to the embodiment of the utility model, the switching assembly is arranged, so that a technician only needs to formulate corresponding switching wires for different parallel port devices, the whole testing device does not need to be customized independently, the parallel port devices of different types can be tested in a compatible manner, and the testing requirements of most parallel port devices are met.

Description

Technical Field

[0001] This utility model relates to the field of parallel port device testing technology, specifically to a testing fixture and testing system for parallel port devices. Background Technology

[0002] The specifications of parallel port devices differ. For example, the driver chips, interface definitions, and physical dimensions of parallel port OLED display products are different, which makes different OLED display products have different requirements for test fixtures. Therefore, the interfaces of OLED display products need to correspond one-to-one with the interfaces of test fixtures.

[0003] Due to the large variety of parallel port devices currently available and the lack of universal testing fixtures, the types and quantities of testing fixtures are also increasing, making it inconvenient to manage, test, and maintain them. Utility Model Content

[0004] In view of this, the present invention provides a test fixture and test system for parallel port devices to solve the problem that the test fixtures are not universal.

[0005] In a first aspect, this utility model provides a test fixture for a parallel port device, the test fixture comprising:

[0006] A testing device for testing parallel port devices; the testing device is provided with a testing interface, and the parallel port device is provided with an output interface;

[0007] An adapter component, one end of which is communicatively connected to the test interface, and the other end of which is communicatively connected to the output interface;

[0008] The wiring sequence definition of the adapter cable in the adapter component corresponds to the interface definition of the output interface, and the interface definition of the output interface corresponds to the type of the parallel port device.

[0009] Beneficial effects: By setting up an adapter component and matching the wiring sequence definition of the adapter cable in the adapter component with the interface definition of the output interface, and matching the interface definition of the output interface with the type of the parallel port device, this utility model allows technicians to simply develop corresponding adapter cables for different parallel port devices without having to customize the entire testing device separately. This enables compatibility testing of different types of parallel port devices and meets the testing requirements of most parallel port devices.

[0010] In one alternative implementation, the wiring sequence of the adapter cable in the adapter assembly is defined in N types, where N is a natural number greater than or equal to 1.

[0011] In one alternative implementation, the testing device is a control board with a screen.

[0012] In one optional implementation, the test interface of the control board with screen is a DB25 interface.

[0013] In one alternative implementation, the parallel port device has a separate interface definition sequence, and flying wires are used to connect the control pins of the test interface to the same pins of the output interface.

[0014] In one alternative implementation, the other end of the adapter assembly is crimped to the output interface under the action of an external force.

[0015] In one optional implementation, the test fixture further includes:

[0016] A crimping device is connected to the other end of the adapter assembly;

[0017] The crimping device has a crimping platform and a crimping probe on the end face near the parallel port device. When the crimping platform applies pressure to the parallel port device, the crimping probe is crimped to the output interface.

[0018] In one optional implementation, the test fixture further includes:

[0019] Base plate, suitable for placing the parallel port device;

[0020] Several positioning components are movably disposed on the base plate; the several positioning components are adapted to fix the parallel port device so that the pad hole of the parallel port device is in just contact with the crimping probe; when the crimping table applies pressure to the parallel port device, the crimping probe is fully inserted into the pad hole.

[0021] Beneficial effects: By setting a positioning component, the actual positioning position of the positioning component can be flexibly adjusted according to the actual shape and structure of the parallel port device. This ensures that the positioning component can stably position the parallel port device, eliminating the need to specially manufacture a device corresponding to the parallel port device for fixation. The positioning component and the base can meet the universal requirements of all types of devices. To a certain extent, this can save production costs.

[0022] In one optional implementation, the positioning component includes:

[0023] The positioning bracket has strip-shaped sliding holes;

[0024] After screwing the stud through the sliding hole, the positioning bracket is detachably screwed onto the base plate.

[0025] Secondly, this utility model also provides a testing system for parallel port devices, which includes: the testing fixture for parallel port devices described in any of the above embodiments. Attached Figure Description

[0026] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0027] Fig. 1 This is a schematic diagram of the structure of the test fixture for placing the parallel port device in an embodiment of this utility model;

[0028] Fig. 2 This is a schematic diagram of the adapter cable structure in an embodiment of this utility model;

[0029] Fig. 3 This is a schematic diagram of the test fixture in an embodiment of this utility model.

[0030] Figure label:

[0031] 1. Adapter assembly; 2. Testing device; 3. Crimping table; 4. Base plate; 5. Positioning bracket; 6. Parallel port device. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0033] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can also refer to the internal connection of two components; and they can refer to a wireless connection or a wired connection. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0035] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0036] The specifications of parallel port devices (6) vary. For example, the driver chips, interface definitions, and physical dimensions of parallel port OLED display products differ, resulting in different requirements for test fixtures. This necessitates a one-to-one correspondence between the OLED display product's interface and the test fixture's interface. Due to the large variety of parallel port devices (6) and the lack of universal test fixtures, the types and quantities of test fixtures are increasing, making management, testing, and maintenance inconvenient.

[0037] In view of this, the present invention provides a test fixture and test system for a parallel port device 6 to solve the problem that the test fixture is not universal.

[0038] The following is combined Figs. 1 to 3 The following describes embodiments of the present invention.

[0039] According to an embodiment of the present invention, in one aspect, a test fixture for a parallel port device 6 is provided, the test fixture including a test device 2 and an adapter component 1.

[0040] Specifically, in this embodiment of the invention, the testing device 2 is used to test the parallel port device 6. The testing device 2 is provided with a testing interface, and the parallel port device 6 is provided with an output interface. In practical applications, the testing device 2 can integrate test programs for various parallel port devices 6. By selecting the product model of the parallel port device 6 to be tested, the corresponding parallel port device 6 can be tested.

[0041] Furthermore, in this embodiment of the invention, one end of the adapter component 1 is communicatively connected to the test interface, and the other end of the adapter component 1 is communicatively connected to the output interface. The wiring sequence definition of the adapter cable in the adapter component 1 corresponds to the interface definition of the output interface, and the interface definition of the output interface corresponds to the type of the parallel port device 6.

[0042] With this configuration, this embodiment of the invention sets up an adapter component 1 and defines the wiring sequence of the adapter cable in the adapter component 1 in correspondence with the interface definition of the output interface. The interface definition of the output interface corresponds to the type of the parallel port device 6. This allows technicians to only need to develop corresponding adapter cables for different parallel port devices 6 without having to customize the entire test device 2 separately. This enables the device to be compatible with testing different types of parallel port devices 6 and meets the testing requirements of most parallel port devices 6.

[0043] Furthermore, in an optional embodiment, the wiring sequence of the adapter cable in the adapter component 1 is defined as having N types, where N is a natural number greater than or equal to 1. In practical applications, the interface definition wiring sequence of the parallel port devices 6 is statistically analyzed. It is found that most parallel port devices 6 have the same interface definition, only different wiring sequences, which can be divided into N types. One end of the adapter cable with N wiring sequences is connected to the test device 2, and the other end of the adapter cable is connected to the parallel port device 6 product.

[0044] Furthermore, in an optional embodiment, the testing device 2 is a control board with a screen.

[0045] Furthermore, in an optional implementation, the test interface of the control board with screen is a DB25 interface.

[0046] Furthermore, in an optional implementation, the parallel port device 6 has a separate interface definition sequence, and flying wires are used to connect the same control pins of the test interface and the output interface. For example, if pin 5 of the test interface and pin 8 of the output interface are both control pins, then the same control pins are connected using flying wires.

[0047] Furthermore, in an optional embodiment, the other end of the adapter component 1 is crimped to the output interface under the action of external force.

[0048] Furthermore, in an optional embodiment, the test fixture further includes a crimping device connected to the other end of the adapter assembly 1. Specifically, the adapter assembly 1 can be connected using a 2.54-pitch female connector and the crimping device. The crimping device has a crimping platform 3 and a crimping probe on its end face near the parallel port device 6. When the crimping platform 3 applies pressure to the parallel port device 6, the crimping probe is crimped to the output interface.

[0049] Furthermore, in an optional implementation, the test fixture further includes:

[0050] Base plate 4, suitable for placing the parallel port device 6;

[0051] Several positioning components are movably disposed on the base plate 4; the several positioning components are adapted to fix the parallel port device 6 so that the pad hole of the parallel port device 6 is in just contact with the crimping probe; when the crimping table 3 applies pressure to the parallel port device 6, the crimping probe is fully inserted into the pad hole, so that the parallel port device 6 and the crimping probe are fully connected.

[0052] Furthermore, in this embodiment of the invention, after the output interface and adapter cable are connected, they are connected to the parallel port device 6 via a crimping method. The positioning component can be adjusted arbitrarily. The position of the positioning component is determined according to the shape of the parallel port device 6 to be tested, thereby fixing the parallel port device 6. Then, the crimping table 3 applies pressure to the parallel port device 6, thereby realizing the connection between the test fixture and the parallel port device 6, and testing the parallel port device 6.

[0053] With this configuration, this embodiment of the invention allows for flexible adjustment of the positioning component's actual position based on the actual shape and structure of the parallel port device 6. This ensures stable positioning of the parallel port device 6, eliminating the need for a specially manufactured device corresponding to the parallel port device 6 for fixation. The positioning component and the base plate can meet the needs of all types of devices. To a certain extent, this can save on production costs.

[0054] Furthermore, in this embodiment of the utility model, the detachable connection between the positioning component and the base plate 4 can be fixed by screw holes, by clips and slots, or by magnetic attraction.

[0055] The following provides examples of detachable connection methods. For instance, additional fixing plates can be provided around the edges of the positioning component. Those skilled in the art can change the number of fixing plates according to actual needs, such as 1, 2, 3, 4, etc. Screw holes are then made on the fixing plates, and another screw hole is made on the base plate 4 at the corresponding screw hole position. Screws are then passed through the screw holes on the fixing plates and the screw holes on the base plate 4 in sequence to connect the positioning component to the base plate 4. Furthermore, when using a snap-fit ​​and slot method for fixing, snap-fits can be additionally provided around the edges of the positioning component. Those skilled in the art can change the number of snap-fits according to actual needs, such as 1, 2, 3, 4, etc. Slots that can cooperate with the snap-fits are then made on the base plate 4 at the corresponding snap-fit ​​positions. The snap-fits on the positioning component are then directly embedded into the slots on the base plate 4, thereby connecting the positioning component to the base plate 4. When fixing by magnetic attraction, additional magnetic sheets can be set around the edge of the positioning component. Those skilled in the art can change the number of magnetic sheets according to the actual situation, such as 1, 2, 3, 4, etc. Then, opposite magnetic sheets that can attract the magnetic sheets are made on the base plate 4 at the positions corresponding to the magnetic sheets. Then, the magnetic sheets on the positioning component are directly aligned with the opposite magnetic sheets embedded on the base plate 4, thereby magnetically connecting the positioning component and the base plate 4.

[0056] Of course, this embodiment is merely an example of fixed connection and detachable connection, but it does not limit the scope of the invention. Those skilled in the art can make changes according to the actual situation to achieve the same technical effect.

[0057] Furthermore, in an optional embodiment, the positioning component includes a positioning bracket 5 and a screw stud. Specifically, in this embodiment of the invention, the positioning bracket 5 has a strip-shaped sliding hole, and the screw stud passes through the sliding hole to detachably screw the positioning bracket 5 onto the base plate 4.

[0058] Secondly, this utility model also provides a testing system for a parallel port device 6, the testing system comprising: the testing fixture for the parallel port device 6 as described in any of the above embodiments.

[0059] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A test fixture for a parallel port device, characterized in that, include: Test device (2) is used to test parallel port device (6); The test device (2) is provided with a test interface, and the parallel port device (6) is provided with an output interface; A converter component (1), one end of which is communicatively connected to the test interface, and the other end of which is communicatively connected to the output interface; The wiring sequence definition of the adapter cable in the adapter component (1) corresponds to the interface definition of the output interface, and the interface definition of the output interface corresponds to the type of the parallel port device (6).

2. The test fixture for parallel port equipment according to claim 1, characterized in that, The wiring sequence of the adapter cable in the adapter component (1) is defined in N types, where N is a natural number greater than or equal to 1.

3. The test fixture for parallel port equipment according to claim 2, characterized in that, The test device (2) is a control board with a screen.

4. The test fixture for parallel port equipment according to claim 3, characterized in that, The test interface of the control board with screen is a DB25 interface.

5. The test fixture for parallel port equipment according to claim 4, characterized in that, The parallel port device (6) has a separate interface definition sequence, and the control pins of the test interface and the output interface are connected to each other using a flying wire.

6. The test fixture for the parallel port device according to any one of claims 1 to 5, characterized in that, Under the action of external force, the other end of the adapter component (1) is pressed into the output interface.

7. The test fixture for parallel port equipment according to claim 6, characterized in that, The testing fixture also includes: A crimping device is connected to the other end of the adapter assembly (1); The crimping device has a crimping platform (3) and a crimping probe on the end face near the parallel port device (6). When the crimping platform (3) applies pressure to the parallel port device (6), the crimping probe is crimped to the output interface.

8. The test fixture for the parallel port device according to claim 7, characterized in that, The testing fixture also includes: Base plate (4), suitable for placing the parallel port device (6); Several positioning components are movably disposed on the base plate (4); the several positioning components are adapted to fix the parallel port device (6) so that the pad hole of the parallel port device (6) is in just contact with the crimping probe; when the crimping table (3) applies pressure to the parallel port device (6), the crimping probe is fully inserted into the pad hole.

9. The test fixture for parallel port equipment according to claim 8, characterized in that, The positioning component includes: The positioning bracket (5) has a strip-shaped sliding hole; After screwing the stud through the sliding hole, the positioning bracket (5) is detachably screwed onto the base plate (4).

10. A testing system for a parallel port device, characterized in that, include: The test fixture for the parallel port device (6) according to any one of claims 1 to 9.

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