CN111220864A - Single board test tool and test system for relay protection device - Google Patents
Single board test tool and test system for relay protection device Download PDFInfo
- Publication number
- CN111220864A CN111220864A CN201911129955.6A CN201911129955A CN111220864A CN 111220864 A CN111220864 A CN 111220864A CN 201911129955 A CN201911129955 A CN 201911129955A CN 111220864 A CN111220864 A CN 111220864A
- Authority
- CN
- China
- Prior art keywords
- board
- substrate
- plate
- movable plate
- test
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The invention relates to a single board testing tool and a single board testing system for a relay protection device. The tool comprises a substrate, a connecting mechanism and a driving device, wherein more than two single board inserting positions for inserting single boards are arranged on the substrate, and a single board inserting structure is arranged at each single board inserting position; the connecting mechanism comprises a connecting main board and a connecting movable board, the connecting movable board is movably arranged on the connecting main board in a guiding manner, and the connecting main board and the substrate are relatively fixed; the number of the connecting movable plates is the same as that of the single plate inserting positions, and movable plate inserting structures are arranged on the connecting movable plates and are used for being in conductive connection with the testing equipment; the base plate is also provided with a test plug-in position for connecting the movable plate, a test plug-in structure is arranged at the test plug-in position, the number of the test plug-in position is the same as that of the single plate plug-in position, and the single plate plug-in structure is in conductive connection with the test plug-in structure; the driving device is used for driving the connecting movable plate to lean against and be far away from the substrate; the tool is used for solving the problem that the working efficiency of the testing equipment is low during the single board testing in the prior art.
Description
Technical Field
The invention relates to a single board testing tool and a single board testing system for a relay protection device.
Background
The relay protection device plays an important role in a power system, when electrical equipment encounters a fault or is in an abnormal working state, the relay protection device can automatically, rapidly and selectively act on the circuit breaker to cut the fault equipment from the system, the fault-free equipment is guaranteed to continue to normally operate, the accident is limited in a minimum range, and the reliability of system operation is improved. In the production process of the relay protection device, the single board in the relay protection device needs to be subjected to function testing so as to ensure that the relay protection device can reliably operate.
The single board is required to be tested through the testing equipment, when the single board is tested, the single board is firstly connected to the testing equipment, then the testing equipment is started to test the single board, after one single board is tested, the tested single board is disassembled, and then the other single board is connected to the testing equipment to be tested. In the above test process, one single board needs to be detached from the test equipment after the test is completed, and then another single board is connected to the test equipment.
Disclosure of Invention
The invention aims to provide a single board testing tool of a relay protection device, which is used for solving the problem that the working efficiency of testing equipment is low during single board testing in the prior art; the invention also provides a relay protection device single board test system comprising the relay protection device single board test tool.
The single board test tool for the relay protection device adopts the following technical scheme:
this relay protection device veneer test fixture includes:
the single board inserting structure is used for being matched with each connecting terminal on the single board;
the connecting mechanism comprises a connecting main board and a connecting movable board, the connecting movable board is movably arranged on the connecting main board in a guiding mode, and the connecting main board and the substrate are relatively fixed in use, or the connecting mechanism comprises a connecting movable board which is movably arranged on the substrate in a guiding mode;
the number of the connecting movable plates is the same as that of the single plate inserting positions on the substrate and corresponds to one another, the connecting movable plates are provided with movable plate inserting structures, and the movable plate inserting structures on the connecting movable plates are used for being in conductive connection with the testing equipment;
the test plug-in mounting positions are provided with test plug-in mounting structures matched with the movable plate plug-in mounting structures connected with the movable plates, the test plug-in mounting positions are the same in number as the single plate plug-in mounting positions and correspond to the single plate plug-in mounting positions one by one, and the single plate plug-in mounting structures in the single plate plug-in mounting positions are in conductive connection with the test plug-in mounting structures in the corresponding test plug-in mounting positions;
the driving device is used for driving the connecting movable plate to lean against and be far away from the substrate;
when the test plug-in structure is used, the driving device can drive the connecting movable plate to move towards the substrate to realize the conductive connection of the movable plate plug-in structure on the connecting movable plate and the test plug-in structure on the substrate, and the driving device can also drive the connecting movable plate to move away from the substrate to realize the disconnection of the movable plate plug-in structure on the connecting movable plate and the test plug-in structure on the substrate.
The single board test tool for the relay protection device has the advantages that:
if the substrate in the test tool is detachable from the connecting main board, when the test tool is used, each single board can be inserted on the substrate, then the connecting main board is fixed with the substrate, then the first single board on the substrate can be tested, before the test, the corresponding connecting movable board is controlled by the driving device to move towards the substrate, so that the movable board inserting structure on the connecting movable board is electrically connected with the test inserting structure on the substrate, and then the test equipment is started to test; after the test of the first single board is finished, the connecting movable plate corresponding to the first single board is controlled by the driving device to move away from the substrate so that the movable plate plug-in structure on the connecting movable plate is separated from the test plug-in structure on the substrate, meanwhile, the connecting movable plate corresponding to the second single board is controlled by the driving device to move towards the substrate so that the movable plate plug-in structure on the connecting movable plate is in conductive connection with the corresponding test plug-in structure, then the second single board can be tested by the test equipment, and the like, until the test of all the single boards mounted on the substrate is finished, after the test of all the single boards mounted on the substrate is finished, the substrate is separated from the connecting main board, then the connecting main board is connected with a new substrate mounted with the single board to be; in the whole test process, the connecting movable plate in the connecting mechanism is controlled by the driving device, so that the conductive connection and disconnection between the connecting movable plate and the corresponding single plate can be quickly realized, the connecting movable plate only moves in the interval between the substrate and the connecting main plate, the moving time of the connecting movable plate is further shortened, correspondingly, the waiting time of the test equipment is greatly reduced, and the working efficiency of the test equipment is improved.
Whether the substrate and the connecting main board in the test tool are detachable or not, when the test tool is used, each single board can be inserted on the substrate, then the connecting movable plate corresponding to the first single board is controlled by the driving device to move towards the substrate so that the movable plate inserting structure on the connecting movable plate is in conductive connection with the test inserting structure on the substrate, then the test equipment is started for testing, after the test of the first single board is completed, the connecting movable plate corresponding to the first single board is controlled by the driving device to move away from the substrate so that the movable plate inserting structure on the connecting movable plate is separated from the test inserting structure on the substrate, meanwhile, the connecting movable plate corresponding to the second single board is controlled by the driving device to move towards the substrate so that the movable plate inserting structure on the connecting movable plate is in conductive connection with the corresponding test inserting structure, and then the second single board can be tested by the test equipment, while testing the second single board, the first single board can be pulled out from the substrate, and then the new single board to be tested is replaced, and so on, and the single board on the substrate is replaced while testing; in the whole test process, the test equipment only needs to wait slightly in the process of plugging and unplugging the connecting movable plate from the beginning of work, the connecting movable plate in the connecting mechanism is controlled by the driving device, the conductive connection and disconnection between the connecting movable plate and the corresponding single plate can be realized quickly, the connecting movable plate only moves in the interval between the base plate and the connecting main plate, the moving time of the connecting movable plate is further shortened, correspondingly, the waiting time of the test equipment is greatly reduced, and therefore the working efficiency of the test equipment is improved.
Further, the driving device comprises a permanent magnet arranged on one of the base plate and the connecting movable plate and an electromagnet arranged on the other one of the base plate and the connecting movable plate and corresponding to the permanent magnet, the electromagnet and the permanent magnet attract each other when forward current is conducted to the electromagnet to drive the connecting movable plate to move towards the base plate, and the electromagnet and the permanent magnet repel each other when reverse current is conducted to the electromagnet to drive the connecting movable plate to move away from the base plate. The electromagnetic control reaction is rapid, and the moving speed of the connecting movable plate can be increased, so that the waiting time of the test equipment is reduced, and the working efficiency of the test equipment is further improved.
Or the driving device comprises a first electromagnet arranged on one of the base plate and the connecting movable plate and a second electromagnet arranged on the other one and corresponding to the first electromagnet, and the attraction and the repulsion of the two electromagnets are realized by changing the current direction of at least one electromagnet of the first electromagnet and the second electromagnet, so that the connecting movable plate moves towards and away from the base plate. The electromagnetic control reaction is rapid, and the moving speed of the connecting movable plate can be increased, so that the waiting time of the test equipment is reduced, and the working efficiency of the test equipment is further improved.
Furthermore, the electromagnet is arranged on the connecting movable plate, the connecting movable plate is a square plate, and the electromagnets are arranged at four corners of the connecting movable plate. Set up like this, the motion of connecting the fly leaf is comparatively stable, prevents to connect the fly leaf atress unbalance and appear warping.
Furthermore, the connection main board and the substrate are detachable. By the arrangement, the work of installing the veneer on the substrate can be carried out on a special station and is responsible for a special person, so that the efficiency of veneer installation can be improved, and meanwhile, the whole veneer test work can be carried out orderly.
Furthermore, the base plate is provided with guide posts, the connecting main plate is provided with guide holes matched with the guide posts, permanent magnets are arranged in the guide holes of the connecting main plate, the guide posts are also provided with permanent magnets, and the connecting main plate is sleeved on the guide posts of the base plate and then is fixed relative to the base plate through the permanent magnets. The arrangement makes the substrate and the connecting mainboard convenient to fix, and the connecting mainboard and the substrate are only required to be oppositely plugged.
Further, connect the fly leaf and pass through guiding axle direction movable assembly on connecting the mainboard, the guiding axle is the step shaft, including big footpath section and path section, big footpath section is kept away from and is connected the mainboard, is equipped with the screw hole on connecting the mainboard, is equipped with the adaptation external screw thread on the path section of guiding axle, and guiding axle screw thread assembly is in the threaded hole of connecting the mainboard, and it is equipped with the guiding axle via hole to correspond the guiding axle on the connection fly leaf, and the diameter of guiding axle via hole is the same with the diameter of the path section of guiding axle. The guide structure is simple and easy to install.
Furthermore, the single board inserting position and the testing inserting position on the substrate are respectively arranged on two opposite side surfaces of the substrate. The arrangement is convenient for connecting the movable plate and the substrate after the single plate is arranged on the substrate.
Furthermore, a single board socket for single board insertion is installed at the single board insertion position, jacks are arranged on the single board socket, electric conductors are arranged in the jacks, the number of the jacks is the same as that of the single board connecting terminals, and each jack and the electric conductors in the jack form a single board insertion structure together. Thus, the installation of the veneer is convenient.
The single board test system for the relay protection device adopts the following technical scheme:
the relay protection device single board test system comprises test equipment and a relay protection device single board test tool, wherein the relay protection device single board test tool comprises:
the single board inserting structure is used for being matched with each connecting terminal on the single board;
the connecting mechanism comprises a connecting main board and a connecting movable board, the connecting movable board is movably arranged on the connecting main board in a guiding mode, and the connecting main board and the substrate are relatively fixed in use, or the connecting mechanism comprises a connecting movable board which is movably arranged on the substrate in a guiding mode;
the number of the connecting movable plates is the same as that of the single plate inserting positions on the substrate and corresponds to one another, the connecting movable plates are provided with movable plate inserting structures, and the movable plate inserting structures on the connecting movable plates are used for being in conductive connection with the testing equipment;
the test plug-in mounting positions are provided with test plug-in mounting structures matched with the movable plate plug-in mounting structures connected with the movable plates, the test plug-in mounting positions are the same in number as the single plate plug-in mounting positions and correspond to the single plate plug-in mounting positions one by one, and the single plate plug-in mounting structures in the single plate plug-in mounting positions are in conductive connection with the test plug-in mounting structures in the corresponding test plug-in mounting positions;
the driving device is used for driving the connecting movable plate to lean against and be far away from the substrate;
when the test plug-in structure is used, the driving device can drive the connecting movable plate to move towards the substrate to realize the conductive connection of the movable plate plug-in structure on the connecting movable plate and the test plug-in structure on the substrate, and the driving device can also drive the connecting movable plate to move away from the substrate to realize the disconnection of the movable plate plug-in structure on the connecting movable plate and the test plug-in structure on the substrate.
The single board test system of the relay protection device provided by the invention has the beneficial effects that:
if the substrate and the connection main board in the test system are detachable, when the test system is used, each single board can be inserted on the substrate, then the connection main board and the substrate are fixed, then the first single board on the substrate can be tested, before the test, the corresponding connection movable board is controlled by the driving device to move towards the substrate, so that the movable board insertion structure on the connection movable board is electrically connected with the test insertion structure on the substrate, and then the test equipment is started to test; after the test of the first single board is finished, the connecting movable plate corresponding to the first single board is controlled by the driving device to move away from the substrate so that the movable plate plug-in structure on the connecting movable plate is separated from the test plug-in structure on the substrate, meanwhile, the connecting movable plate corresponding to the second single board is controlled by the driving device to move towards the substrate so that the movable plate plug-in structure on the connecting movable plate is in conductive connection with the corresponding test plug-in structure, then the second single board can be tested by the test equipment, and the like, until the test of all the single boards mounted on the substrate is finished, after the test of all the single boards mounted on the substrate is finished, the substrate is separated from the connecting main board, then the connecting main board is connected with a new substrate mounted with the single board to be; in the whole test process, the connecting movable plate in the connecting mechanism is controlled by the driving device, so that the conductive connection and disconnection between the connecting movable plate and the corresponding single plate can be quickly realized, the connecting movable plate only moves in the interval between the substrate and the connecting main plate, the moving time of the connecting movable plate is further shortened, correspondingly, the waiting time of the test equipment is greatly reduced, and the working efficiency of the test equipment is improved.
Whether a substrate and a connecting main board in the test system are detachable or not, when the test system is used, each single board can be inserted on the substrate, then the connecting movable plate corresponding to the first single board is controlled by the driving device to move towards the substrate so as to enable the movable plate inserting structure on the connecting movable plate to be in conductive connection with the test inserting structure on the substrate, then the test equipment is started for testing, after the test of the first single board is completed, the connecting movable plate corresponding to the first single board is controlled by the driving device to move away from the substrate so as to enable the movable plate inserting structure on the connecting movable plate to be separated from the test inserting structure on the substrate, meanwhile, the connecting movable plate corresponding to the second single board is controlled by the driving device to move towards the substrate so as to enable the movable plate inserting structure on the connecting movable plate to be in conductive connection with the corresponding test inserting structure, and then the second single, while testing the second single board, the first single board can be pulled out from the substrate, and then the new single board to be tested is replaced, and so on, and the single board on the substrate is replaced while testing; in the whole test process, the test equipment only needs to wait slightly in the process of plugging and unplugging the connecting movable plate from the beginning of work, the connecting movable plate in the connecting mechanism is controlled by the driving device, the conductive connection and disconnection between the connecting movable plate and the corresponding single plate can be realized quickly, the connecting movable plate only moves in the interval between the base plate and the connecting main plate, the moving time of the connecting movable plate is further shortened, correspondingly, the waiting time of the test equipment is greatly reduced, and therefore the working efficiency of the test equipment is improved.
Further, the driving device comprises a permanent magnet arranged on one of the base plate and the connecting movable plate and an electromagnet arranged on the other one of the base plate and the connecting movable plate and corresponding to the permanent magnet, the electromagnet and the permanent magnet attract each other when forward current is conducted to the electromagnet to drive the connecting movable plate to move towards the base plate, and the electromagnet and the permanent magnet repel each other when reverse current is conducted to the electromagnet to drive the connecting movable plate to move away from the base plate. The electromagnetic control reaction is rapid, and the moving speed of the connecting movable plate can be increased, so that the waiting time of the test equipment is reduced, and the working efficiency of the test equipment is further improved.
Or the driving device comprises a first electromagnet arranged on one of the base plate and the connecting movable plate and a second electromagnet arranged on the other one and corresponding to the first electromagnet, and the attraction and the repulsion of the two electromagnets are realized by changing the current direction of at least one electromagnet of the first electromagnet and the second electromagnet, so that the connecting movable plate moves towards and away from the base plate. The electromagnetic control reaction is rapid, and the moving speed of the connecting movable plate can be increased, so that the waiting time of the test equipment is reduced, and the working efficiency of the test equipment is further improved.
Furthermore, the electromagnet is arranged on the connecting movable plate, the connecting movable plate is a square plate, and the electromagnets are arranged at four corners of the connecting movable plate. Set up like this, the motion of connecting the fly leaf is comparatively stable, prevents to connect the fly leaf atress unbalance and appear warping.
Furthermore, the connection main board and the substrate are detachable. By the arrangement, the work of installing the veneer on the substrate can be carried out on a special station and is responsible for a special person, so that the efficiency of veneer installation can be improved, and meanwhile, the whole veneer test work can be carried out orderly.
Furthermore, the base plate is provided with guide posts, the connecting main plate is provided with guide holes matched with the guide posts, permanent magnets are arranged in the guide holes of the connecting main plate, the guide posts are also provided with permanent magnets, and the connecting main plate is sleeved on the guide posts of the base plate and then is fixed relative to the base plate through the permanent magnets. The arrangement makes the substrate and the connecting mainboard convenient to fix, and the connecting mainboard and the substrate are only required to be oppositely plugged.
Further, connect the fly leaf and pass through guiding axle direction movable assembly on connecting the mainboard, the guiding axle is the step shaft, including big footpath section and path section, big footpath section is kept away from and is connected the mainboard, is equipped with the screw hole on connecting the mainboard, is equipped with the adaptation external screw thread on the path section of guiding axle, and guiding axle screw thread assembly is in the threaded hole of connecting the mainboard, and it is equipped with the guiding axle via hole to correspond the guiding axle on the connection fly leaf, and the diameter of guiding axle via hole is the same with the diameter of the path section of guiding axle. The guide structure is simple and easy to install.
Furthermore, the single board inserting position and the testing inserting position on the substrate are respectively arranged on two opposite side surfaces of the substrate. The arrangement is convenient for connecting the movable plate and the substrate after the single plate is arranged on the substrate.
Furthermore, a single board socket for single board insertion is installed at the single board insertion position, jacks are arranged on the single board socket, electric conductors are arranged in the jacks, the number of the jacks is the same as that of the single board connecting terminals, and each jack and the electric conductors in the jack form a single board insertion structure together. Thus, the installation of the veneer is convenient.
Drawings
Fig. 1 is a schematic diagram illustrating a square box structure and a single board in an embodiment of a single board testing system of a relay protection device according to the present invention;
fig. 2 is a schematic diagram of a square box structure and a single board in an embodiment of a single board testing system of a relay protection device provided by the present invention (a hidden right box board);
fig. 3 is a schematic structural diagram (showing a rear side surface) of a substrate of a test fixture in an embodiment of a single board test system of a relay protection device provided in the present invention;
fig. 4 is a perspective view (showing a front side) of a substrate of a test fixture in an embodiment of a single board test system of a relay protection device provided in the present invention;
fig. 5 is a schematic structural diagram of a needle bed of a test tool in an embodiment of a single board test system of a relay protection device provided by the invention;
fig. 6 is a schematic structural diagram of a needle bed movable plate of a test tool in an embodiment of a single board test system of a relay protection device provided in the present invention.
In the figure: 1-substrate, 2-upper box plate, 3-lower box plate, 4-left box plate, 5-right box plate, 6-single plate, 7-single plate socket, 8-power supply plate, 9-electric connection port, 10-power supply socket, 11-jack, 12-mounting hole, 13-jack, 14-guide column, 15-permanent magnet, 16-needle bed main plate, 17-guide hole, 18-needle bed movable plate, 19-guide shaft, 20-electromagnet, 21-contact pin and 22-guide shaft through hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
The embodiment of the single board test system of the relay protection device provided by the invention comprises the following steps:
the single board testing system of the relay protection device comprises testing equipment, testing tools and an aging rack, wherein the testing tools can be used for installing single boards to be tested, the testing equipment comprises a testing system used for testing the single boards, and the aging rack is generally placed in an aging chamber and used for aging the single boards installed on the testing tools.
As shown in fig. 1 and 2, the test fixture includes a base plate 1, an upper box plate 2, a lower box plate 3, a left box plate 4 and a right box plate 5, the base plate 1, the upper box plate 2, the lower box plate 3, the left box plate 4 and the right box plate 5 together enclose a square box structure with one side open, and the opening of the square box structure is defined to face the rear side; the substrate 1 in this embodiment is a printed board.
As shown in fig. 2 and 3, three single board sockets 7 are installed at intervals along the left-right direction on the rear side of the substrate 1, the three single board sockets 7 are used for installing single boards 6, in this embodiment, 96 connection terminals are provided on the single board 6 to be tested, so each socket is also provided with 96 insertion holes 11, each insertion hole 11 on the single board socket 7 is provided with an electric conductor, the electric conductor is welded and fixed with the substrate 1 and realizes electric connection, meanwhile, the single board socket 7 is also fixedly connected with the substrate 1, the upper end and the lower end of the single board socket 7 are respectively provided with one installation hole 12, the single board socket 7 is fixed with the substrate 1 again through the installation holes 12 and matched fastening bolts and nuts, and the stability of fixing the single board socket 7 is ensured; each connecting terminal of the single board 6 corresponds to the jack 11 on the single board socket 7 one by one, and after the single board 6 is inserted into the single board socket 7, each connecting terminal is in conductive connection with the conductor in the jack 11; the position of the single board socket 7 on the substrate 1 forms a single board plugging position, and each jack 11 on the single board socket 7 and the corresponding conductor form a single board plugging structure together.
In this embodiment, the distance between the upper box plate 2 and the lower box plate 3 of the square box structure is the same as the dimension of the single plate 6 in the vertical direction, and the upper box plate 2 and the lower box plate 3 form the guide for the single plate 6 in the process of inserting the single plate 6; in addition, the lower box plate 3 is also used for supporting the single plate 6, so that the square box structure and the single plate 6 arranged on the square box structure can be conveniently transferred.
As shown in fig. 5 and 6, the test fixture further includes a needle bed, the needle bed includes needle bed main plates 16, three needle bed movable plates 18 are mounted on each needle bed main plate 16, each needle bed movable plate 18 is movably mounted on the needle bed main plate 16 through two guide shafts 19, the guide shafts 19 are stepped shafts and include a large diameter section and a small diameter section, the large diameter section is far away from the needle bed main plate 16, an axis of the guide shaft 19 is perpendicular to the needle bed main plate 16, the needle bed main plate 16 is provided with a threaded hole corresponding to the guide shaft 19, the small diameter section of the guide shaft 19 is provided with an external thread, the guide shaft 19 is threadedly assembled in the threaded hole of the needle bed main plate 16, the needle bed movable plate 18 is provided with a guide shaft through hole 22 corresponding to the guide shaft 19, and the diameter of the guide; after the needle bed movable plate 18 is installed on the needle bed main plate 16 through the guide shaft 19, the needle bed movable plate 18 can move between the large diameter section of the guide shaft 19 and the needle bed main plate 16; the needle bed constitutes a link mechanism, the needle bed main plate 16 constitutes a link main plate in the link mechanism, and the needle bed movable plate 18 constitutes a link movable plate in the link mechanism.
As shown in fig. 4, four guide posts 14 are arranged on the front side surface of the base plate 1, the axes of the guide posts 14 are perpendicular to the base plate 1, four corners of a needle bed main plate 16 are respectively provided with a guide hole 17, the needle bed main plate 16 is mounted on the base plate 1 through the guide posts 14 and the guide holes 17, and the limit in the up-down, left-right directions is realized; the guide post 14 is provided with a section of permanent magnet, the guide hole 17 is also provided with a permanent magnet, when the needle bed main board 16 moves to the position of the permanent magnet on the guide post 14 along the guide post 14, the permanent magnet on the guide post 14 is tightly attracted with the permanent magnet in the guide hole 17, thereby realizing the positioning of the needle bed main board 16 in the front and back direction.
As shown in fig. 2-4, two rows of plugging holes 13 are respectively formed in the left side and the right side of each single board socket 7, the number of the plugging holes 13 in each row is 24, the plugging holes 13 penetrate through the substrate 1, each plugging hole 13 corresponds to one jack 11 in the single board socket 7, and the plugging holes are electrically connected with the conductors in the corresponding jacks 11 through printed circuits in the substrate 1; the positions of the plugging holes 13 arranged on the forward side of the substrate 1 and corresponding to the two sides of each single board socket 7 form a test plugging position, and each plugging hole 13 and the conductive piece in the plugging hole form a test plugging structure together.
After the needle bed main board 16 is installed on the substrate 1, the three needle bed movable boards 18 respectively correspond to the positions of the substrate 1 where the three single board sockets 7 are installed. As shown in fig. 4-6, each needle bed movable plate 18 is provided with four rows of pins 21, each row of pins 21 has 24 pins, the four rows of pins 21 respectively correspond to and are adapted to the four rows of insertion holes 13 on both sides of one single board socket 7 on the substrate 1, that is, 96 pins 21 on the needle bed movable plate 18 can be just inserted into the 96 insertion holes 13 on both sides of the corresponding single board socket 7 on the substrate 1, and the pins 21 are electrically connected to the conductive members in the corresponding insertion holes 13 after being inserted into the insertion holes 13, and further electrically connected to the connection terminals of the corresponding single board 6; the pins 21 on the needle bed movable plate 18 form a movable plate inserting structure on the connecting movable plate.
As shown in fig. 4-6, the needle bed movable plate 18 is a square plate structure, four corners of the needle bed movable plate 18 are respectively provided with an electromagnet 20, a permanent magnet 15 is respectively arranged on the base plate 1 corresponding to the position of each electromagnet 20 of each needle bed movable plate 18, when the electromagnet 20 is electrified with positive current, the electromagnet 20 generates a magnetic field, and under the action of the magnetic field generated by the permanent magnet 15, the needle bed movable plate 18 is attracted to lean against the substrate 1, the spacing distance between the needle bed main plate 16 and the substrate 1 is reasonably set, when the needle bed movable plate 18 is attracted to the base plate 1, each pin 21 on the needle bed movable plate 18 can be inserted into the corresponding inserting hole 13, when the electromagnet 20 is electrified with reverse current, the electromagnet 20 generates an opposite magnetic field, and the needle bed movable plate 18 is pushed to move towards the direction away from the substrate 1 under the action of the magnetic field generated by the permanent magnet 15, and each pin 21 on the needle bed movable plate 18 is separated from each inserting hole 13 on the substrate 1; the electromagnets 20 on the needle bed movable plates 18 and the corresponding permanent magnets 15 on the base plate 1 together form a driving device for driving the corresponding needle bed movable plates 18 to move.
Each pin 21 on the needle bed movable plate 18 is electrically connected with a test system in the test equipment through a conducting wire, and when the pin 21 of the needle bed movable plate 18 is inserted into the insertion hole 13 on the substrate 1, a signal of the test system can be transmitted to the single board 6.
As shown in fig. 1-3, a power socket 10 is further installed on the substrate 1, the power socket 10 is installed on the substrate 1 and then electrically connected to each conductor in the three single board sockets 7 through a printed circuit in the substrate 1, a power board 8 is installed on the power socket 10, an electrical connection port 9 is provided on the power board 8, the electrical connection port 9 can be communicated with an external power supply through a corresponding connection line to electrically connect the external power supply to the substrate 1, and the power board 8 can also convert 220V electricity in the external power supply into electricity of a voltage level adapted to the single board 6 during operation.
After the single board 6 is manufactured, a test is required, which is mainly divided into three steps: 1) performing preliminary test; 2) aging; 3) and testing again.
1) Preliminary testing:
inserting a single plate 6 on a substrate 1 in a square box structure, fixing the square box structure with a needle bed main plate 16, applying a forward current to an electromagnet 20 on a first needle bed movable plate 18, attracting the needle bed movable plate 18 to the substrate 1 by a magnetic field force, so that each pin 21 on the needle bed movable plate 18 is inserted into a corresponding insertion hole 13 on the substrate 1, then starting to test the single plate 6 corresponding to the needle bed movable plate 18 by a test system of the test equipment, applying a reverse current to the electromagnet 20 on the needle bed movable plate 18 after the test of the single plate 6 is completed, pushing the needle bed movable plate 18 away by the magnetic field force, and separating the pin 21 on the needle bed movable plate 18 from the corresponding insertion hole 13; meanwhile, the electromagnet 20 on the second needle bed flap 18 is energized with a forward current, the second needle bed flap 18 is attracted to the substrate 1, the test on the single plate 6 corresponding to the second needle bed flap 18 is started, after the test on the single plate 6 corresponding to the second needle bed flap 18 is completed, the electromagnet 20 on the second needle bed flap 18 is energized with a reverse current, the second needle bed flap 18 is pushed away, and the contact pin 21 on the second needle bed flap is separated from the corresponding insertion hole 13; and then, the electromagnet 20 on the third needle bed flap 18 is energized with a forward current, the third needle bed flap 18 is attracted to the substrate 1, the test on the single plate 6 corresponding to the third needle bed flap 18 is started, and after the test on the single plate 6 corresponding to the third needle bed flap 18 is completed, the square box structure is removed from the needle bed main plate 16.
2) Aging:
the square box structure is moved to an aging rack in the aging chamber, a power supply in the aging chamber is communicated with an electricity connection port 9 of a power supply plate 8 on the substrate 1 through a relevant connecting wire, electricity with a voltage grade of 220V is changed into electricity with a voltage grade suitable for the veneer 6 after being transformed by the power supply plate 8, the veneer 6 is electrified, the aging of the veneer 6 is completed after a set time after the electrification, the connecting wire connected with the power supply plate 8 is removed, and the square box structure is moved out of the aging chamber.
3) And (3) testing again:
and moving the square box body structure with the aged single plate 6 to a testing device, repeating the primary testing process, and testing the single plate 6 in the square box body structure again.
In the above embodiment, the test fixture includes a needle bed, the needle bed includes a needle bed main plate and a needle bed movable plate, the needle bed movable plate is movably mounted on the needle bed main plate, and the needle bed main plate is fixed to the substrate. In other embodiments, the test fixture may not include a needle bed main plate, the needle bed movable plate is directly movably mounted on the substrate in a guiding manner, the needle bed movable plate may also be mounted on the substrate through a guiding shaft, and the structure and the mounting manner of the guiding shaft are the same as those of the above embodiments.
In the above embodiment, the needle bed main plate and the substrate are separately arranged, and when in use, the needle bed main plate and the substrate are relatively fixed through the guide posts, the guide holes and the permanent magnets. In other embodiments, the needle bed main board and the substrate may be fixed together in a non-detachable manner, but the operation of the single board preliminary test in this case is slightly different, specifically: after every veneer test is accomplished, when test equipment tested next veneer, the veneer that will test the completion was pulled down, changed the veneer of new untested, so the repeated operation, certainly, under this kind of circumstances, the veneer has gone on preliminary test back, can't age together along with square box structure, need age with special ageing oven, the ageing oven is prior art, and here is no longer repeated, and power strip and supply socket in this test fixture need not set up yet simultaneously.
In the above embodiment, three single board insertion positions are provided on the base board, and three needle bed movable plates are provided in the needle bed. In other real-time examples, two, four or more single board insertion positions may be provided, and the number of the needle bed movable plates may be the same as that of the single board insertion positions.
In the above embodiment, the connecting movable plate is a needle bed movable plate, and the needle bed movable plate is provided with pins. In other embodiments, the connection movable plate may be provided with a plug hole instead of a pin, and the corresponding test plug structure on the substrate needs to be provided with a pin, so that the conductive connection between the connection movable plate and the single plate can be realized.
In the above embodiment, the driving device includes the electromagnet disposed on the movable plate of the needle bed and the permanent magnet disposed on the base plate. In other embodiments, the permanent magnets can also be arranged on the needle bed movable plate, and the electromagnets are arranged on the substrate, so that the movement of driving the needle bed movable plate can be realized; or electromagnets can be arranged on the needle bed movable plate and the substrate, and the needle bed movable plate can be driven to move; or, the needle bed movable plate may not be driven by electromagnetic drive, such as by an air cylinder, or by a motor driving a screw-nut mechanism, and the like.
In the above embodiment, during the single board test, after the single board test in the whole square box structure is completed, the whole square box structure is separated from the needle bed main board. In other embodiments, after a single board test is completed, in the next single board test process, the tested single board is removed, and the untested single board is replaced, so that the single board is replaced while testing is repeated, and the single board can be used as well.
In the above embodiment, electromagnets are disposed at four corners of the needle bed movable plate. In other embodiments, the electromagnet may also be disposed at other positions of the needle bed movable plate, such as at the center of four sides of the needle bed movable plate, and the electromagnet may also be used.
In the above embodiment, the guide post of the substrate is provided with a section of permanent magnet, the guide hole of the needle bed main board is also provided with a permanent magnet, and the needle bed main board and the substrate are relatively fixed through the permanent magnets of the two. In other embodiments, only one section of permanent magnet may be arranged on the guide post, and the material at the guide hole of the needle bed main board is set to be the material capable of being adsorbed by the permanent magnet, so that the needle bed main board and the substrate can be relatively fixed after the needle bed main board is sleeved on the guide post; the permanent magnet can be arranged in the guide hole of the needle bed main board, the guide post is made of a material capable of being adsorbed by the permanent magnet, and the needle bed main board and the substrate can be fixed relatively after the needle bed main board is sleeved on the guide post; the needle bed main board is sleeved on the guide post and then fixed at a reasonable position of the guide post through two nuts, so that the space between the needle bed main board and the substrate is ensured to meet the requirement that the contact pins on the needle bed movable board are inserted into the corresponding plug-in holes when the needle bed movable board is sucked to the substrate, and simultaneously the contact pins on the needle bed movable board are completely separated from the plug-in holes on the substrate when the needle bed movable board is pushed to the needle bed main board.
In the above embodiment, the needle bed movable plate is movably mounted on the needle bed main plate through the guide shaft guide, the guide shaft is a stepped shaft and includes a large diameter section and a small diameter section, the large diameter section is far away from the needle bed main plate, a threaded hole is formed in the needle bed main plate, an adaptive external thread is formed in the small diameter section of the guide shaft, the guide shaft is assembled in the threaded hole of the needle bed main plate in a threaded manner, a guide shaft through hole is formed in the needle bed movable plate corresponding to the guide shaft, and the diameter of the guide shaft through hole is the same as that of. In other embodiments, the needle bed movable plate may also be mounted on the needle bed main plate in other forms, for example, by a guide rod, the guide rod is fixed to the needle bed main plate, the diameter of the guide rod is the same as the diameter of the guide shaft through hole on the needle bed movable plate, a thread is provided at an end of the guide rod away from the needle bed main plate, and a nut is mounted on the thread section of the guide rod, so that the needle bed movable plate can move in a space between the nut and the needle bed main plate after the nut is mounted.
In the above embodiment, the single board mounting station is disposed on the rearward side of the substrate, and the test mounting station is disposed on the forward side of the substrate. In other embodiments, the test insertion position may also be disposed on a rearward side of the substrate, that is, the test insertion position and the single board insertion position are disposed on one side of the substrate, and may also be used; the single board inserting position can also be arranged on the front side of the substrate, and the same can be true.
In the above embodiment, the single board socket is mounted on the substrate, and the single board socket is welded on the substrate and then is reinforced by the fastening bolt and the nut. In other embodiments, the fastening bolt and the nut are not needed, that is, the mounting hole is not needed to be arranged on the single-board socket; in other embodiments, a single board socket may not be provided, and the single board is directly inserted into the substrate when being mounted, and at this time, a single board insertion hole through which the connection terminal on the single board is inserted may be provided on the substrate.
The present invention further provides a testing tool for a single board of a relay protection device, where the structure of the testing tool for a single board of a relay protection device is the same as that of the testing tool in the testing system for a single board of a relay protection device in the above embodiment, and details are not repeated here.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.
Claims (10)
1. A relay protection device veneer test fixture is characterized by comprising:
the single board inserting structure is used for being matched with each connecting terminal on the single board;
the connecting mechanism comprises a connecting main board and a connecting movable board, the connecting movable board is movably arranged on the connecting main board in a guiding mode, and the connecting main board and the substrate are relatively fixed in use, or the connecting mechanism comprises a connecting movable board which is movably arranged on the substrate in a guiding mode;
the number of the connecting movable plates is the same as that of the single plate inserting positions on the substrate and corresponds to one another, the connecting movable plates are provided with movable plate inserting structures, and the movable plate inserting structures on the connecting movable plates are used for being in conductive connection with the testing equipment;
the test plug-in mounting positions are provided with test plug-in mounting structures matched with the movable plate plug-in mounting structures connected with the movable plates, the test plug-in mounting positions are the same in number as the single plate plug-in mounting positions and correspond to the single plate plug-in mounting positions one by one, and the single plate plug-in mounting structures in the single plate plug-in mounting positions are in conductive connection with the test plug-in mounting structures in the corresponding test plug-in mounting positions;
the driving device is used for driving the connecting movable plate to lean against and be far away from the substrate;
when the test plug-in structure is used, the driving device can drive the connecting movable plate to move towards the substrate to realize the conductive connection of the movable plate plug-in structure on the connecting movable plate and the test plug-in structure on the substrate, and the driving device can also drive the connecting movable plate to move away from the substrate to realize the disconnection of the movable plate plug-in structure on the connecting movable plate and the test plug-in structure on the substrate.
2. The relay protection device single-board testing tool according to claim 1, wherein the driving device includes a permanent magnet disposed on one of the base board and the connecting movable board and an electromagnet disposed on the other corresponding to the permanent magnet, the electromagnet attracts the permanent magnet to drive the connecting movable board to move toward the base board when a forward current is applied to the electromagnet, and the electromagnet repels the permanent magnet to drive the connecting movable board to move away from the base board when a reverse current is applied to the electromagnet.
3. The relay protection device single board testing tool according to claim 1, wherein the driving device includes a first electromagnet disposed on one of the base board and the connecting movable board and a second electromagnet disposed on the other corresponding to the first electromagnet, and the connecting movable board moves toward and away from the base board by changing a current direction of at least one of the first electromagnet and the second electromagnet to attract and repel the two electromagnets.
4. The relay protection device single-board testing tool according to claim 2 or 3, wherein the electromagnets are disposed on the connecting movable plate, the connecting movable plate is a square plate, and the electromagnets are disposed at four corners of the connecting movable plate.
5. The relay protection device single board test tool according to claim 1, 2 or 3, wherein the connection main board and the substrate are detachable.
6. The protective relaying device single-board testing tool of claim 5, wherein the base board is provided with guide posts, the connection main board is provided with guide holes adapted to the guide posts, the guide holes of the connection main board are provided with permanent magnets, the guide posts are also provided with permanent magnets, and the connection main board is sleeved on the guide posts of the base board and then fixed relative to the base board by the permanent magnets.
7. The relay protection device single-board testing tool according to claim 1, 2 or 3, wherein the connection movable plate is movably assembled on the connection main plate through a guide shaft guide, the guide shaft is a stepped shaft and includes a large diameter section and a small diameter section, the large diameter section is far away from the connection main plate, the connection main plate is provided with a threaded hole, the small diameter section of the guide shaft is provided with an adaptive external thread, the guide shaft is threadedly assembled in the threaded hole of the connection main plate, the connection movable plate is provided with a guide shaft through hole corresponding to the guide shaft, and the diameter of the guide shaft through hole is the same as that of the small diameter section of the guide shaft.
8. The relay protection device single board test tool according to claim 1, 2 or 3, wherein the single board mounting position and the test mounting position on the substrate are respectively disposed on two opposite sides of the substrate.
9. The relay protection device single board testing tool according to claim 1, 2 or 3, wherein a single board socket for single board insertion is installed at the single board insertion position, the single board socket is provided with jacks, conductors are arranged in the jacks, the number of the jacks is the same as that of the single board connection terminals, and each jack and the conductor therein form a single board insertion structure together.
10. A relay protection device single board test system is characterized by comprising:
testing equipment;
a relay protection device single board testing tool, wherein the relay protection device single board testing tool is the relay protection device single board testing tool according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911129955.6A CN111220864B (en) | 2019-11-18 | 2019-11-18 | Single board test tool and test system for relay protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911129955.6A CN111220864B (en) | 2019-11-18 | 2019-11-18 | Single board test tool and test system for relay protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111220864A true CN111220864A (en) | 2020-06-02 |
| CN111220864B CN111220864B (en) | 2022-06-17 |
Family
ID=70829187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911129955.6A Active CN111220864B (en) | 2019-11-18 | 2019-11-18 | Single board test tool and test system for relay protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111220864B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW505300U (en) * | 2001-04-20 | 2002-10-01 | Asustek Comp Inc | Single board testing fixture for slim CD-ROM drive |
| CN2600825Y (en) * | 2002-05-25 | 2004-01-21 | 华为技术有限公司 | Auxiliary testing tool |
| TW201236826A (en) * | 2011-03-01 | 2012-09-16 | Kabo Tool Co | Switchable magnetic hand-tool |
| CN204251118U (en) * | 2014-11-03 | 2015-04-08 | 河北东方富达机械有限公司 | Wire holder |
| CN104743361A (en) * | 2013-12-25 | 2015-07-01 | 昆山国显光电有限公司 | Baseplate conveying device |
| CN205879986U (en) * | 2016-06-17 | 2017-01-11 | 株洲中车时代电气股份有限公司 | General adapter device is used to veneer automatic testing |
| CN109425796A (en) * | 2017-08-30 | 2019-03-05 | 中兴通讯股份有限公司 | A kind of backboard tooling test macro |
| CN109459593A (en) * | 2018-11-27 | 2019-03-12 | 许继集团有限公司 | Switching charging tray and relay protection single-board testing device |
-
2019
- 2019-11-18 CN CN201911129955.6A patent/CN111220864B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW505300U (en) * | 2001-04-20 | 2002-10-01 | Asustek Comp Inc | Single board testing fixture for slim CD-ROM drive |
| CN2600825Y (en) * | 2002-05-25 | 2004-01-21 | 华为技术有限公司 | Auxiliary testing tool |
| TW201236826A (en) * | 2011-03-01 | 2012-09-16 | Kabo Tool Co | Switchable magnetic hand-tool |
| CN104743361A (en) * | 2013-12-25 | 2015-07-01 | 昆山国显光电有限公司 | Baseplate conveying device |
| CN204251118U (en) * | 2014-11-03 | 2015-04-08 | 河北东方富达机械有限公司 | Wire holder |
| CN205879986U (en) * | 2016-06-17 | 2017-01-11 | 株洲中车时代电气股份有限公司 | General adapter device is used to veneer automatic testing |
| CN109425796A (en) * | 2017-08-30 | 2019-03-05 | 中兴通讯股份有限公司 | A kind of backboard tooling test macro |
| CN109459593A (en) * | 2018-11-27 | 2019-03-12 | 许继集团有限公司 | Switching charging tray and relay protection single-board testing device |
Non-Patent Citations (1)
| Title |
|---|
| 王治国等: "继电保护装置整机柔性智能测试系统设计", 《自动化与仪表》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111220864B (en) | 2022-06-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3916516A (en) | Electrical connector and method for making an electrical circuit | |
| CN108226686A (en) | Mobile phone charger test equipment | |
| CN215953834U (en) | Punching current transformer batch detection device | |
| CN113871257B (en) | Relay of easy installation | |
| CN111220864B (en) | Single board test tool and test system for relay protection device | |
| CN210376617U (en) | Motor withstand voltage testing device | |
| CN110333442B (en) | Relay detection device and relay automatic detection equipment | |
| CN207992345U (en) | Mobile phone charger test equipment | |
| CN1115049A (en) | Circuit board for live wire insertion | |
| CN118299899A (en) | Automatic assembly equipment of connector | |
| CN113978750A (en) | Aerial butt joint subassembly and mooring unmanned aerial vehicle system | |
| CN116718957B (en) | Automatic test equipment for high-speed connector | |
| CN207992346U (en) | Mobile phone charger testing device | |
| CN111308233A (en) | Single board test tool and test system for relay protection device | |
| CN218412799U (en) | FPC is to inserting circular telegram test mechanism | |
| US20140315060A1 (en) | Battery system and method of producing an electrically conductive connection between a cell connector and an electronic unit of a battery system | |
| CN114879004A (en) | Light emitting diode detection equipment | |
| CN210465628U (en) | Relay detection device and relay automatic detection equipment | |
| CN110518525B (en) | Push-pull mechanism for bus duct jack box | |
| EP3499535A1 (en) | Printed circuit board mounted contactors | |
| CN218350425U (en) | TFT transistor semiconductor layer short circuit testing arrangement | |
| CN214544151U (en) | Modular high-voltage pulse modulation assembly, device and system | |
| CN221650560U (en) | Battery performance multichannel monitoring device | |
| CN220998243U (en) | Feeding assembly for split piercing IDC connector | |
| CN219329396U (en) | Terminal block signal switching device capable of realizing quick positioning and splicing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |