CN212083846U - Heat-proof plug test fixture - Google Patents
Heat-proof plug test fixture Download PDFInfo
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- CN212083846U CN212083846U CN202020554002.6U CN202020554002U CN212083846U CN 212083846 U CN212083846 U CN 212083846U CN 202020554002 U CN202020554002 U CN 202020554002U CN 212083846 U CN212083846 U CN 212083846U
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Abstract
The utility model discloses a heat protection plug test fixture, include: the test connector comprises a loading carrier plate, a test connector and a first switch, wherein the test connector and the first switch are arranged at one end of the loading carrier plate, the first switch can be moved to a first position state and a second position state, and the first switch directly or indirectly blocks the test connector when in the first position state, so that the test connector cannot be opened; the first switch is in the second position state and is used for unblocking the test connector; the feeding support plate is also provided with a second switch, and when the first switch moves to the first position state, the second switch locks the first switch; when the second switch unlocks the first switch, the first switch can move to the second position state. The utility model discloses a heat-proof plug test fixture has effectively guaranteed can not produce the hot plug in the production test process, has guaranteed the complete execution of test again simultaneously.
Description
Technical Field
The utility model relates to a LCM production technical field especially relates to a heat protection plug test fixture.
Background
In LCM production and test, after the product is buckled with the FPC and electrified, the disconnection of the FPC and a test connector or a switching FPC is forbidden in the test process. The live interruption is called hot plug, which causes great damage to the product and even causes EOS events, and seriously affects the yield of the product. The existing hot plug prevention design, some realize hot plug prevention through software, and its principle is: when artificial hot plug occurs, the test main board forcibly alarms and times the locking state, so that the product is effectively protected, but the production efficiency is reduced to a certain extent; some equipment are equipped with external heat-proof plug switch, and external heat-proof plug switch is triggered earlier during the hot plug, and the formula program of surveying stops the outage immediately, has protected the product can not produce the harm in the hot plug, but can not ensure that the test procedure can be by complete execution, and the defective products probably are released from it, causes the client side defective products higher.
SUMMERY OF THE UTILITY MODEL
The problem to prior art exists, the utility model aims at providing a heat-proof plug test fixture, it has effectively guaranteed can not produce the hot plug in the production test process, has guaranteed the complete execution of test again simultaneously.
The technical scheme of the utility model as follows: the utility model provides a heat protection plug test fixture, include: the test connector comprises a loading carrier plate, a test connector and a first switch, wherein the test connector and the first switch are arranged at one end of the loading carrier plate, the first switch can be moved to a first position state and a second position state, and the first switch directly or indirectly blocks the test connector when in the first position state, so that the test connector cannot be opened; the first switch is in the second position state and is used for unblocking the test connector; the feeding support plate is also provided with a second switch, and when the first switch moves to the first position state, the second switch locks the first switch; when the second switch unlocks the first switch, the first switch can move to the second position state to unlock the loading carrier plate.
Furthermore, the first switch directly blocks the test connector, and when the first switch is located in the first position state, the movable end of the first switch is located above one end of the test connector.
Furthermore, when the first switch indirectly blocks the test connector, the hot-plug prevention test fixture further comprises a third switch, the third switch acts on the test connector to lock or open the test connector, and the third switch is shielded when the first switch is in the first position state.
Furthermore, the second switch is an electromagnetic valve and is mounted on the back surface of the loading carrier plate, and when the first switch is moved to the first position state, a pin shaft of the electromagnetic valve penetrates through the loading carrier plate and is inserted into an insertion hole of the first switch to lock the first switch; when the pin shaft of the electromagnetic valve exits the jack of the first switch, the first switch is unlocked, and the first switch can move to the second position state.
Furthermore, the first switch is provided with a return spring, and after the pin shaft of the electromagnetic valve exits the jack of the first switch, the first switch is turned from the first position state to the second position state under the action of the return spring.
Further, the first switch is a locking switch, the locking switch is mounted on the loading carrier plate through a rotating shaft, and the locking switch can horizontally rotate around the rotating shaft to reach the first position state or the second position state.
Further, the first switch is a push-pull switch, a sliding block is arranged at the bottom of the push-pull switch, a sliding rail is correspondingly arranged on the loading support plate, the sliding block is clamped on the sliding rail, and the push-pull switch slides along the sliding rail to reach the first position state or the second position state.
Further, the test connector includes: the device comprises an upper cover and a lower plate, wherein the lower plate is arranged on the feeding carrier plate, a connecting part of the test connector is formed in a cavity formed by the upper cover and the lower plate after being closed, the connecting part is used for connecting an FPC (flexible printed circuit) of a test product, and one side edge of the upper cover is rotatably connected to one side edge of the lower plate.
Furthermore, the third switch is a button machine, the button machine is rotatably mounted on the lower plate, the button machine is L-shaped, and the bottom surface of the horizontal part of the L-shaped is a slope; the top of the L-shaped vertical part is provided with a convex first buckle facing one side of the lower plate, a concave second buckle is arranged on the other side edge of the upper cover corresponding to the first buckle, and the first buckle and the second buckle are clamped when the upper cover is buckled on the lower plate.
Further, an LCM product placing groove and an FPC placing groove are further arranged on the loading carrier plate.
According to the above technical scheme, the utility model provides a heat-proof plug test fixture, it directly or indirectly blocks test connector formation through first switch, has effectively prevented the hot plug action in the test procedure, corresponds simultaneously first switch still is equipped with a second switch first switch is located first position state, it is right promptly when test connector formation blocks, the second switch is right first switch locking, double locking have more improved this heat-proof plug test fixture's security performance, have effectively prevented the hot plug phenomenon of dialling, ensure the test again simultaneously and have been accomplished the execution.
Drawings
Fig. 1 is a schematic diagram of the first switch of the heat-proof plug test fixture of the present invention being in the first position state.
Fig. 2 is a schematic diagram of the heat-proof plug test fixture according to the present invention, wherein the first switch is in the second position state.
Fig. 3 is a schematic side view of the heat-proof plug test fixture of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, the utility model relates to a heat-proof plug test fixture, include: a loading carrier board 1, a test connector 2, a first switch 31, and a second switch 32. The test connector 2 is arranged at one end of the loading carrier plate 1, the first switch 31 is arranged on the loading carrier plate 1 at one side of the test connector 2, the first switch 31 can be moved to a first position state (shown in fig. 1) and a second position state (shown in fig. 2), and when the first switch 31 is in the first position state, the first switch is in a closed state, and directly or indirectly blocks the test connector 2, so that the test connector 2 is in a locked state and cannot be opened, and a hot plugging prevention function is realized; when the first switch 31 is in the second position state, it is in an open state, and the test connector 2 is not blocked, so that the test connector 2 is in an openable state. When a product is tested, the first switch 31 is in the first position state, and the second switch 32 locks the first switch 31, so that the first switch 31 is in the first position state and cannot be moved, and the heat-proof plugging effect is further ensured; when the product test is completed, the second switch 32 unlocks the first switch 31, the first switch 31 moves to the second position state, the test connector 2 is unblocked, and the first switch can be opened. Preferably, the first switch 31 further comprises a third switch 33, the third switch 33 acting on the test connector 2 to close or open the test connector 2. When the first switch 31 is in the first position state, the third switch 33 is shielded, so that the third switch 33 cannot work, and the test connector 2 cannot be opened, thereby locking the test connector 2.
Specifically, the test connector 2 includes: the testing device comprises an upper cover 21 and a lower plate 22, wherein the lower plate 22 is installed on the loading carrier plate 1, a connecting part (not marked) of the testing connector 2 is formed in a cavity formed after the upper cover 21 and the lower plate 22 are closed, and the connecting part is used for connecting an FPC (flexible printed circuit) of a testing product to finish testing of the product. One side of the upper cover 21 is rotatably connected to one side of the lower plate 22. The third switch 33 is a button machine that is rotatably mounted to the lower plate 22 via a shaft. As shown in fig. 1 and 3, the button machine is an "L" shape, and the bottom surface of the horizontal portion of the "L" shape is a slope (not shown). A convex first buckle (not marked) is arranged on one side, facing the lower plate 22, of the top of the L-shaped vertical part, a concave second buckle (not marked) is arranged on the other side edge of the upper cover, a slope is arranged on the second buckle, and when the upper cover 21 is buckled on the lower plate 22, the slope presses the first buckle until the first buckle is locked above the second buckle, so that the test connector 2 is locked; when the end of the horizontal part of the button machine, which is far from the lower plate 22, is pressed downward, the button machine rotates counterclockwise along the shaft, so that the first catch is turned upward and disengaged from the second catch, and the upper cover 21 can be opened to release the lock of the test connector 2. Preferably, a concave part 11 is arranged on the loading carrier plate 1 corresponding to the position of the button machine, the button machine is arranged above the concave part 11, and more moving space is provided in the process of pressing down the button machine, so that the second buckle is better separated from the locking of the first buckle.
Further, the second switch 32 is an electromagnetic valve and is installed on the back surface of the loading carrier plate 1, the second switch 32 is provided with a controller 5, and the controller 5 is used for controlling the second switch 32 to be switched on and off. When the first switch 31 moves to the first position state, the controller 5 controls a pin shaft (not labeled) of the electromagnetic valve to penetrate through the loading carrier plate 1 and be inserted into an insertion hole of the first switch 31, so as to lock the first switch 31; when the production and the test are finished, the electromagnetic valve is instantly electrified under the control of the controller 5, the pin shaft is contracted under the electromagnetic action and exits from the jack of the first switch 31, at the moment, the electromagnetic valve unlocks the first switch 31, and the first switch 31 can move to the second position state. Preferably, the first switch 31 is provided with a return spring (not labeled), the return spring is mountable on the loading support plate 1 and connected with the first switch 31, after the pin shaft of the electromagnetic valve exits from the jack of the first switch 31, the return spring pulls the first switch 31 to the second position state, so that the step of manual operation is omitted, and the testing process is more convenient.
As shown in fig. 1 and fig. 2, the first switch 31 is a locking switch, the locking switch is mounted on the loading carrier 1 through a rotating shaft, and the locking switch can horizontally rotate around the rotating shaft to reach the first position state or the second position state. The first switch can also be a push-pull switch, a sliding block is arranged at the bottom of the push-pull switch, a sliding rail is correspondingly arranged on the loading carrier plate 1, the sliding block is clamped on the sliding rail, and the push-pull switch slides along the sliding rail to reach the first position state or the second position state.
Preferably, the LCM product placing groove 6 and the FPC placing groove 7 are further formed in the loading support plate 1, so that the LCM product can be conveniently placed into the test box for testing.
When an LCM product is produced or tested, the LCM product is placed in the placing groove 6, the FPC connector is inserted into the test connector 2, the upper cover 21 and the lower plate 22 are covered, the upper cover 21 and the lower plate 22 are locked together by the third switch 33 at the moment, the first switch 31 moves to a first position state to shield the third switch 33, the pin shaft of the second switch 32 is inserted into the jack of the first switch 31 at the moment to lock the first switch 31, the first switch 31 cannot move, and heat-proof plugging and unplugging in the product testing process are achieved. After the test is finished, the controller 5 is instantly electrified to the second switch 32, the shaft pin is withdrawn from the jack of the first switch 31 under the action of electromagnetic force, the first switch 31 is turned to the second position state from the first position state under the action of the return spring, the third switch 33 is not shielded, and the third switch 33 is pressed to unlock the test connector 2.
In another embodiment, the third switch is not provided, the first switch directly blocks the test connector, and the second switch locks the first switch. Namely: when the first switch is in the first position state, the movable end of the first switch is positioned above one end of the test connector, so that the test connector is prevented from being opened, and heat-proof plugging can be realized.
To sum up, the utility model discloses a set up first switch moves it to during the first position state directly or indirectly right test connector locks, has realized the heat protection plug function in the testing process. And the second switch locks the first switch in the first position state to prevent the first switch from being moved. The double locking improves the safety performance of the heat-proof plug test fixture, completely avoids the hot plug phenomenon, and simultaneously ensures that the test is finished and executed. The utility model discloses a heat-proof plug test fixture simple structure, heat-proof plug is effectual, is worth wideling popularize and use.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a hot plug proof test fixture which characterized in that includes: the test connector comprises a loading carrier plate, a test connector and a first switch, wherein the test connector and the first switch are arranged at one end of the loading carrier plate, the first switch can be moved to a first position state and a second position state, and the first switch directly or indirectly blocks the test connector when in the first position state, so that the test connector cannot be opened; the first switch is in the second position state and is used for unblocking the test connector; the feeding support plate is also provided with a second switch, and when the first switch moves to the first position state, the second switch locks the first switch; when the second switch unlocks the first switch, the first switch can move to the second position state.
2. The hot plug prevention test fixture according to claim 1, wherein the first switch directly blocks the test connector, and when the first switch is in the first position state, the movable end of the first switch is located above one end of the test connector.
3. The hot plug test fixture according to claim 1, wherein when the first switch indirectly blocks the test connector, the hot plug test fixture further comprises a third switch, the third switch acts on the test connector to lock or open the test connector, and the first switch blocks the third switch when in the first position.
4. The hot-plugging prevention test fixture according to claim 1, wherein the second switch is an electromagnetic valve and is mounted on the back surface of the loading carrier plate, and when the first switch moves to the first position state, a pin shaft of the electromagnetic valve penetrates through the loading carrier plate and is inserted into an insertion hole of the first switch to lock the first switch; when the pin shaft of the electromagnetic valve exits the jack of the first switch, the first switch is unlocked, and the first switch can move to the second position state.
5. The hot-plug prevention test fixture as claimed in claim 4, wherein the first switch is provided with a return spring, and after the pin shaft of the solenoid valve exits from the insertion hole of the first switch, the first switch is turned from the first position state to the second position state under the action of the return spring.
6. The hot-plug prevention test fixture as claimed in any one of claims 1 to 5, wherein the first switch is a lock rotation switch, the lock rotation switch is mounted on the loading carrier via a rotation shaft, and the lock rotation switch can rotate horizontally around the rotation shaft to reach the first position state or the second position state.
7. The hot plug test fixture according to any one of claims 1 to 5, wherein the first switch is a push-pull switch, a sliding block is disposed at a bottom of the push-pull switch, a sliding rail is correspondingly disposed on the loading carrier, the sliding block is clamped on the sliding rail, and the push-pull switch slides along the sliding rail to reach the first position state or the second position state.
8. The hot plug prevention test fixture of claim 3, wherein the test connector comprises: the device comprises an upper cover and a lower plate, wherein the lower plate is arranged on the feeding carrier plate, a connecting part of the test connector is formed in a cavity formed by the upper cover and the lower plate after being closed, the connecting part is used for connecting an FPC (flexible printed circuit) of a test product, and one side edge of the upper cover is rotatably connected to one side edge of the lower plate.
9. The hot-plugging prevention test fixture according to claim 8, wherein the third switch is a button machine, the button machine is rotatably mounted on the lower plate, the button machine is L-shaped, and the bottom surface of the horizontal part of the L-shaped is a slope; the top of the L-shaped vertical part is provided with a convex first buckle facing one side of the lower plate, a concave second buckle is arranged on the other side edge of the upper cover corresponding to the first buckle, and the first buckle and the second buckle are clamped when the upper cover is buckled on the lower plate.
10. The hot-plugging prevention test fixture of claim 1, wherein the loading carrier plate is further provided with an LCM product placing groove and an FPC placing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020554002.6U CN212083846U (en) | 2020-04-14 | 2020-04-14 | Heat-proof plug test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020554002.6U CN212083846U (en) | 2020-04-14 | 2020-04-14 | Heat-proof plug test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212083846U true CN212083846U (en) | 2020-12-04 |
Family
ID=73595316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020554002.6U Active CN212083846U (en) | 2020-04-14 | 2020-04-14 | Heat-proof plug test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212083846U (en) |
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2020
- 2020-04-14 CN CN202020554002.6U patent/CN212083846U/en active Active
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