Test fool-proof equipment

Abstract

The utility model provides test fool-proof equipment, which comprises a base and an on-off control device, wherein the on-off control device is used for being connected with a test power supply together with a to-be-tested equipment power supply jig; the base is provided with an accommodating cavity for placing the test recording equipment, and the accommodating cavity is provided with an opening for taking out the test recording equipment; and the opening and closing control device opens the opening of the accommodating cavity when the test power supply is switched on, and closes the opening of the accommodating cavity when the test power supply is switched off. The test fool-proof device provided by the utility model has a fool-proof effect in a product test process, and when the opening and closing device is controlled to be in a power-on state synchronous with a to-be-tested device power supply jig, the opening of the accommodating cavity is opened to take out a test record, so that the error that the detection device is taken out for recording when the product is not detected is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of electronic product test, specifically relates to a test foolproof device. BACKGROUND

[0002] In the production process of the machine, the completed assembly machine needs to be tested for multiple tests, and only the qualified ones can flow into the next process. There are usually different technicians on the test post of the production line to test different machines to ensure the balance of the production line, and the technicians of the next process judge whether to enter the next process according to the test results. In this process, there are usually multiple personnel on the upper station testing multiple machines at the same time, and multiple machines are transported to the next process through the same channel, and the number of technicians responsible for the process is small. When there are multiple machines on the channel, it is easy to misjudge, and it is inevitable that the qualified machines will be mixed with the unqualified machines, resulting in that the unqualified machines flow into the next process, affecting the quality of the machine. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at overcoming the defects and deficiencies in the prior art, and provides a test foolproof device, which has a foolproof function in the test process of the product and improves the accuracy of detection.

[0004] The utility model is implemented by the following technical solutions:

[0005] A test foolproof device, comprising a base and a control opening and closing device for connecting a test power supply with a device under test (DUT) power supply fixture; the base is provided with a containing cavity for placing a test recording device, and the containing cavity is provided with an opening for taking out the test recording device; the control opening and closing device opens the opening of the containing cavity when the test power supply is turned on, and closes the opening of the containing cavity when the test power supply is turned off.

[0006] The control opening and closing device is used for connecting the test power supply together with the power supply fixture of the to-be-tested equipment, synchronous connection and synchronous power-off with the power supply fixture of the to-be-tested equipment are realized, and the test process is kept consistent; the base is provided with a containing cavity for placing the test recording equipment, the containing cavity is provided with an opening for taking out the test recording equipment, the control opening and closing device opens the opening of the containing cavity when the test power supply is connected, closes the opening of the containing cavity when the test power supply is disconnected, opens the opening of the containing cavity when the test power supply is connected at the beginning of the test, and the user can take out the test recording equipment, and the opening of the containing cavity is closed when the test is completed, so that the user cannot take out the test recording equipment. The test fool-proof device provided by the utility model has the fool-proof effect in the test process of products, the opening of the containing cavity is opened to take out the test recording when the control opening and closing device is in the power-on state synchronous with the power supply fixture of the to-be-tested equipment, and the mistake of taking out the test equipment for recording without detecting the products is avoided.

[0007] Further, the test fool-proof device further comprises a placing table for placing the test recording equipment, and the placing table is arranged in the containing cavity; the control opening and closing device comprises a moving device, the moving device is connected with the placing table and drives the placing table to move to the opening of the containing cavity when the test power supply is connected, and the placing table is retracted into the containing cavity when the test power supply is disconnected. The moving device is connected with the placing table, the moving device drives the placing table to move to the opening of the containing cavity when the test power supply is connected, so that the opening of the containing cavity is opened and the test recording equipment can be taken out, and the moving device drives the placing table to retract into the containing cavity when the test power supply is disconnected, so that the opening of the containing cavity is closed and the test recording equipment cannot be taken out.

[0008] Further, the opening of the containing cavity is arranged in a vertical direction; the moving device comprises a jacking mechanism and a lowering mechanism; the jacking mechanism is used for connecting the test power supply together with the power supply fixture of the to-be-tested equipment, and the jacking mechanism is drivingly connected with the placing table, and when the test power supply is connected, the jacking mechanism drives the placing table to move to the opening of the containing cavity; when the test power supply is disconnected, the lowering mechanism supports the placing table to maintain the current height or drives the placing table to descend in the vertical direction into the containing cavity. The jacking mechanism is used for connecting the test power supply together with the power supply fixture of the to-be-tested equipment, drives the placing table to move to the opening of the containing cavity when the test power supply is connected, so that the test recording equipment can be taken out, and when the test power supply is disconnected, the jacking mechanism removes the driving force on the placing table, and at this time, the placing table is supported by the lowering mechanism to avoid descending or descending under the gravity of the recording equipment.

[0009] Further, the lifting mechanism comprises a driving source, a lever and a lifting connecting seat; the driving source is used for being connected with the test power supply, the lever is arranged in the accommodating cavity, one end of the lever is connected with the driving source, and the other end is connected with the lifting connecting seat; and the lifting connecting seat is fixed on the placing table. The driving source is used for being connected with the test power supply, and drives the lever to move when the test power supply is turned on, so that the lifting connecting seat is lifted, and the placing table is driven to rise.

[0010] Further, the descending mechanism comprises a buffer descending device, and the buffer descending device is arranged on the base and fixed with the placing table. The buffer descending device is fixed with the placing table, the driving force of the lifting mechanism is removed after the test power supply is turned off, the buffer descending device can provide certain support for the placing table, and the placing table slowly descends under the action of gravity when the recording equipment is placed on the placing table again, and the placing table is driven to descend.

[0011] Further, the lifting mechanism abuts against the middle part of the placing table, and the number of the buffer assemblies is at least two, and the buffer assemblies are arranged around the middle part of the placing table. The lifting mechanism abuts against the middle part of the placing table, so as to stably drive the whole placing table to rise, and the buffer assemblies are arranged around the middle part of the placing table, so as to provide uniform support force for the placing table after the test is completed.

[0012] Further, the buffer descending device is a spring shock absorber. The spring shock absorber supports the placing table, has a certain strength, is not compressed when the placing table is static, provides certain support for the placing table, and can absorb the impact of the placing table when descending under the action of gravity, so that the placing table slowly descends.

[0013] Further, the control opening and closing delay module for being electrically connected with the test power supply is further arranged, and the control opening and closing delay module is electrically connected with the control opening and closing device. The control opening and closing delay module is used for being electrically connected with the test power supply, the delay module is electrically connected with the control opening and closing device, and since a certain preset time is required for machine test, the control opening and closing delay module is electrically connected with the test power supply, the control opening and closing device is powered according to the preset test time delay of the delay module, and the opening of the accommodating cavity can be opened after the machine completes the test, and the user can take out the recording equipment.

[0014] Further, the test anti-fumble device further comprises a sensing delay power supply module and a photoelectric sensor and alarm module electrically connected with the test power supply; the sensing delay power supply module is electrically connected with the photoelectric sensor; the photoelectric sensor is arranged on the placement table; the photoelectric sensor is electrically connected with the alarm module. When the test power supply is powered on, the sensing delay power supply module is powered on and supplies power to the photoelectric sensor according to a preset time. The preset time of the sensing delay power supply module can be the time required for the test plus the time required for taking out and returning the recording device. If the photoelectric sensor has not returned the recording device to the placement table within the preset time, the alarm module receives the power-off signal of the photoelectric sensor when the photoelectric sensor is powered off and sends out an alarm.

[0015] Further, the control opening and closing device further comprises a pressing handle, a pressing plate and a rotating shaft; one end of the pressing handle is rotatably arranged on the base, the other end extends along the direction close to the opening of the accommodating cavity and is connected with the pressing plate; the pressing handle is connected with the placement table through the rotating shaft. One end of the pressing handle is rotatably arranged on the base, and the pressing handle is connected with the placement table through the rotating shaft. When the placement table rises, the pressing handle can be driven to rotate synchronously in the direction away from the accommodating cavity to open the opening of the accommodating cavity. When the placement table descends, the pressing handle can be driven to rotate synchronously in the direction close to the accommodating cavity to be located above the accommodating cavity to close the opening of the accommodating cavity.

[0016] In order to better understand and implement, the following will be described in detail in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a connection schematic diagram of the test anti-fumble device and a device under test power supply fixture.

[0018] Figure 2 is a connection schematic diagram of the test anti-fumble device and a test recording device.

[0019] Figure 3 is a structural schematic diagram of the test anti-fumble device.

[0020] Figure 4 is an internal schematic diagram of the test anti-fumble device.

[0021] Figure 5 is a structural schematic diagram of the placement table.

[0022] Figure 6 is Figure 3 A zoomed-in view of A. DETAILED DESCRIPTION

[0023] The utility model embodiment will be further described in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model embodiments, and not limit the utility model embodiments. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model embodiments is shown in the drawings, not all structures.

[0024] In addition, the terms first, second, third and the like in the description and claims are only used for the purpose of distinguishing between similar technical features, and should not be understood as indicating or implying relative importance or implying the number of the technical features indicated, nor necessarily describing the order or time sequence. The terms are interchangeable under appropriate circumstances. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features.

[0025] Similarly, the terms "fixed", "connected" are also used in the description and claims, and should not be understood as limited to direct connection. Therefore, the expression "device A is connected with device B" should not be limited to device A being directly connected to device B in the device or system, which means that there is a path between device A and device B, which can be a path including other devices or tools.

[0026] Example 1

[0027] The embodiment provides a test foolproof device, Figure 1 is a connection schematic diagram of the test foolproof device and a device under test power supply fixture, Figure 2 is a connection schematic diagram of the test foolproof device and a test recording device, Figure 3 is a structural schematic diagram of the test foolproof device, please refer to Figures 1-3 The test foolproof device comprises a base 1 and a control opening and closing device 3 for connecting a test power supply with a device under test power supply fixture 2; the base 1 is provided with a containing cavity 11 for placing a test recording device 6, and the containing cavity 11 is provided with an opening for taking out the test recording device 6; the control opening and closing device 3 opens the opening of the containing cavity 11 when the test power supply is turned on, and closes the opening of the containing cavity 11 when the test power supply is turned off.

[0028] The control opening and closing device 3 is used for connecting a test power supply together with the device under test power fixture 2, realizing synchronous connection and synchronous power-off with the device under test power fixture 2, and keeping consistent with a test process; the base 1 is provided with a containing cavity 11 for placing a test recording device 6, the containing cavity 11 is provided with an opening for taking out the test recording device 6, the control opening and closing device 3 opens the opening of the containing cavity 11 when the test power supply is connected, and closes the opening of the containing cavity 11 when the test power supply is disconnected, the control opening and closing device 3 opens the opening of the containing cavity 11 when the test power supply is connected at the beginning of the test, and the user can take out the test recording device 6, the opening of the containing cavity 11 is closed when the test is completed, and the user cannot take out the test recording device 6. The test fool-proof device provided by the utility model has a fool-proof effect in the test process of a product, the opening of the containing cavity 11 is opened to take out the test record when the control opening and closing device 3 is in the power-on state synchronously with the device under test power fixture 2, and the mistake of taking out a detection device for recording without detecting a product is avoided.

[0029] In an embodiment, the control opening and closing device 3 and the device under test power fixture 2 are connected in parallel, when entering the test, the test power supply simultaneously supplies power to the control opening and closing device 3 and the device under test power fixture 2; when ending the test, the test power supply simultaneously disconnects the power supply to the control opening and closing device 3 and the device under test power fixture 2.

[0030] In the embodiment, the test fool-proof device further comprises a control opening and closing delay module for being electrically connected with the test power supply, and the control opening and closing delay module is electrically connected with the control opening and closing device 3. The control opening and closing delay module is used for being electrically connected with the test power supply, and the control opening and closing delay module is electrically connected with the control opening and closing device 3. Since machine testing needs a certain preset time, the control opening and closing delay module is electrically connected with the test power supply, and the control opening and closing device 3 is powered on according to the preset test time delay of the delay module, that is, the opening of the containing cavity 11 can be opened after the machine completes the test, and the user can take out the recording device.

[0031] Figure 4 is an internal schematic view of the test fool-proof device, please refer to Figures 3-4In the embodiment, the test foolproof device further comprises a placing table 4 for placing the test recording device 6, and the placing table 4 is arranged in the accommodating cavity 11; the control opening and closing device 3 comprises a moving device 31 connected with the placing table 4 and driving the placing table 4 to move to the opening of the accommodating cavity 11 when the test power is turned on and to retract into the accommodating cavity 11 when the test power is turned off. The moving device 31 is connected with the placing table 4, and when the test power is turned on, the moving device 31 drives the placing table 4 to move to the opening of the accommodating cavity 11, so that the opening of the accommodating cavity 11 is opened and the test recording device 6 can be taken out, and when the test power is turned off, the moving device 31 drives the placing table 4 to retract into the accommodating cavity 11, so that the opening of the accommodating cavity 11 is closed and the test recording device 6 cannot be taken out.

[0032] Please refer to Figures 3-4 In the embodiment, the opening of the accommodating cavity 11 is arranged in the vertical direction; the moving device 31 comprises a lifting mechanism 311 and a lowering mechanism 312; the lifting mechanism 311 is used for connecting the test power source together with the device under test power supply fixture 2, and the lifting mechanism 311 is drivingly connected with the placing table 4, and when the test power is turned on, the lifting mechanism 311 drives the placing table 4 to move to the opening of the accommodating cavity 11; when the test power is turned off, the lowering mechanism 312 supports the placing table 4 to maintain the current height or drives the placing table 4 to descend in the vertical direction into the accommodating cavity 11. The lifting mechanism 311 is used for connecting the test power source together with the device under test power supply fixture 2, and when the test power is turned on, the lifting mechanism 311 drives the placing table 4 to move to the opening of the accommodating cavity 11, so that the test recording device 6 can be taken out, and when the test power is turned off, the lifting mechanism 311 removes the driving force of the placing table 4, and at this time, the lowering mechanism 312 supports the placing table 4 to avoid its descent or to retract the placing table 4 under the gravity of the recording device.

[0033] Figure 5 is a structural schematic view of the placing table, please refer to Figures 3-5 In the embodiment, the lifting mechanism 311 comprises a driving source 3111, a lever 3112 and a lifting connecting seat 3113; the driving source 3111 is used for connecting the test power source, the lever 3112 is arranged in the accommodating cavity 11, one end of the lever 3112 is connected with the driving source 3111, and the other end is connected with the lifting connecting seat 3113; and the lifting connecting seat 3113 is fixed to the placing table 4. The driving source 3111 is used for connecting the test power source, and when the test power is turned on, the driving source 3111 drives the lever 3112 to move, so as to lift the lifting connecting seat 3113 and drive the placing table 4 to ascend. In an embodiment, the driving source 3111 is an electromagnetic valve, and when the test power is turned on, the driving source 3111 can move downward, so that the lifting connecting seat 3113 at the other end of the lever 3112 is lifted upward, thereby driving the placing table 4 to move to the opening of the accommodating cavity 11.

[0034] Please refer to Figure 4In the embodiment, the descending mechanism 312 comprises a buffer descending device 3122 arranged on the base 1 and fixed with the placing table 4. The buffer descending device 3122 is fixed with the placing table 4, and can provide certain support for the placing table 4 after the lifting mechanism 311 removes the driving force after the test power is turned off. The buffer descending device 3122 can slowly descend under the action of gravity and drive the placing table 4 to descend when the recording device is placed back on the placing table 4.

[0035] In an embodiment, the buffer descending device 3122 is a spring shock absorber. The spring shock absorber supports the placing table 4 and has a certain strength, so that it is not compressed when the placing table 4 is stationary, and can provide certain support for the placing table 4 and absorb the impact of the placing table 4 when it descends under the action of gravity, so that the placing table 4 slowly descends.

[0036] Please refer to Figure 4 In the embodiment, the lifting mechanism 311 abuts against the middle part of the placing table 4, and the number of the buffer assemblies is several. The several buffer assemblies are arranged around the middle part of the placing table 4. The lifting mechanism 311 abuts against the middle part of the placing table 4 to drive the entire placing table 4 to ascend. After the test is completed, the foolproof power supply mechanism is in the power-off state, and the several buffer assemblies are arranged around the middle part of the placing table 4 to provide uniform support force for the placing table 4.

[0037] In another embodiment, the moving device 31 comprises an air source, an electromagnetic valve, an air inlet throttle valve and a cylinder, an air outlet throttle valve and a buffer. The air source, the electromagnetic valve, the air inlet throttle valve, the cylinder and the air outlet throttle valve are sequentially connected through air pipes, and the cylinder is drivingly connected with the placing table 4. The electromagnetic valve is in communication connection with the foolproof power supply module to receive the power-on signal and the power-off signal of the foolproof power supply module, so as to switch the opening or closing of the air source. When the electromagnetic valve receives the power-on signal of the foolproof power supply module, the electromagnetic valve is powered on, the air inlet throttle valve is opened to make the air passage and the air inlet throttle valve communicate, and compressed air flows from the air source to the cylinder to lift the placing table 4 under the movement of the piston of the cylinder. When the electromagnetic valve receives the power-off signal of the foolproof power supply module, the air inlet throttle valve is closed to stop the air supply to the cylinder. One end of the buffer is fixed to the base 1, and the other end is fixed to the placing table 4. When the air inlet throttle valve is closed, the buffer supports the placing table 4. When the recording device is placed back, the air outlet throttle valve is opened to drive the placing table 4 to descend under the exhaust movement of the cylinder. The air inlet throttle valve and the air outlet throttle valve are adjusted to realize fast and slow descending, so that the placing table 4 is driven to move to the opening of the accommodating cavity 11 when the test power is turned on, and the placing table 4 is retracted into the accommodating cavity 11 when the test power is turned off.

[0038] Please refer to Figure 3In the embodiment, the test foolproof device further comprises a sensing delay power supply module, a photoelectric sensor 5 and an alarm module electrically connected with the test power supply; the sensing delay power supply module is electrically connected with the photoelectric sensor 5; the photoelectric sensor 5 is arranged on the placement table 4; and the photoelectric sensor 5 is electrically connected with the alarm module. When the test power supply is powered on, the sensing delay power supply module is powered on and supplies power to the photoelectric sensor 5 according to a preset time. The preset time of the sensing delay power supply module can be the time required for the test plus the time required for taking out and returning the recording device. If the photoelectric sensor 5 has not returned the recording device to the placement table 4 within the preset time, the alarm module receives a power-off signal of the photoelectric sensor 5 and sends an alarm when the photoelectric sensor 5 is powered off.

[0039] Figure 6 is Figure 3 A close-up view of A, please refer to Figure 3 and Figure 6 In the embodiment, the control opening and closing device 3 further comprises a pressing handle 32, a pressing plate 33 and a rotating shaft 34; one end of the pressing handle 32 is rotatably arranged on the base 1, the other end extends in a direction close to the opening of the accommodating cavity 11 and is connected with the pressing plate 33; and the pressing handle 32 is connected with the placement table 4 through the rotating shaft 34. One end of the pressing handle 32 is rotatably arranged on the base 1, the pressing handle 32 is connected with the placement table 4 through the rotating shaft 34, and when the placement table 4 rises, the pressing handle 32 can be driven to rotate in a direction away from the accommodating cavity 11 to open the opening of the accommodating cavity 11, and when the placement table 4 descends, the pressing handle 32 can be driven to rotate in a direction close to the accommodating cavity 11 to be located above the accommodating cavity 11 to close the opening of the accommodating cavity 11.

[0040] Please refer to Figure 3 and Figure 6In one embodiment, the edge of the placing table 4 is provided with a first mounting seat 35, the first mounting seat 35 is provided with a first rotating through hole, the extending direction of the first rotating through hole is perpendicular to the extending direction of the pressing handle 32; the side of the pressing handle 32 facing the placing table 4 is provided with a second mounting seat 36, the second mounting seat 36 is provided with a second rotating through hole, the rotating shaft 34 is arranged in the first rotating through hole and the second rotating through hole. One end of the pressing handle 32 is rotatably arranged on the base 1, so that the pressing plate 33 can rotate in the direction of approaching or moving away from the accommodating cavity 11; the rotating shaft 34 is arranged in the first mounting seat 35 on the placing table 4 and the second mounting seat 36 of the pressing handle 32, so that the pressing handle 32 is connected with the placing table 4, and therefore when the placing table 4 rises, the pressing handle 32 can be driven to rotate in the direction of moving away from the accommodating cavity 11, so as to open the opening of the accommodating cavity 11 and release the limitation on the recording device; when the placing table 4 descends, the pressing handle 32 can be driven to rotate in the direction of approaching the accommodating cavity 11 and be located above the accommodating cavity 11, so as to close the opening of the accommodating cavity 11 and limit the recording device 6. The first rotating through hole is a circular through hole matched with the shape of the rotating shaft 34, and the second rotating through hole is a strip-shaped hole, which can provide a margin for the movement of the pressing handle 32 when the placing table 4 rises or descends.

[0041] Please refer to Figure 6 In the embodiment, the pressing plate 33 is provided with an avoiding through hole 331 corresponding to the position of the photoelectric sensor 5, so as to avoid interfering with the sensing of the recording device by the photoelectric sensor 5.

[0042] The utility model is not limited to the above-mentioned embodiment, if various modifications or deformation of the utility model do not deviate from the spirit and scope of the utility model, if these modifications and deformation belong to the right claim and equivalent technical scope of the utility model, the utility model also intends to include these modifications and deformation.

Claims

1. A test foolproof device characterized in that: it comprises a base and a control opening and closing device for connecting a test power supply with a device under test power supply fixture; the base is provided with a containing cavity for placing a test recording device, and the containing cavity is provided with an opening for taking out the test recording device; the control opening and closing device opens the opening of the containing cavity when the test power supply is turned on, and closes the opening of the containing cavity when the test power supply is turned off.

2. The test foolproof device according to claim 1, characterized in that: it further comprises a placement table for placing a test recording device, and the placement table is arranged in the containing cavity; the control opening and closing device comprises a moving device connected with the placement table and driving the placement table to move to the opening of the containing cavity when the test power supply is turned on, and retracting into the containing cavity when the test power supply is turned off.

3. The test foolproof device according to claim 2, characterized in that: the opening of the containing cavity is arranged in a vertical direction; the moving device comprises a jacking mechanism and a lowering mechanism; the jacking mechanism is used for connecting the test power supply with the device under test power supply fixture, and the jacking mechanism is drivingly connected with the placement table, and when the test power supply is turned on, the jacking mechanism drives the placement table to move to the opening of the containing cavity; when the test power supply is turned off, the lowering mechanism supports the placement table to maintain the current height or drives the placement table to descend in the vertical direction into the containing cavity.

4. The test foolproof device according to claim 3, characterized in that: the jacking mechanism comprises a driving source, a lever and a jacking connecting seat; the driving source is used for connecting with the test power supply, the lever is arranged in the containing cavity, one end of the lever is connected with the driving source, and the other end is connected with the jacking connecting seat; and the jacking connecting seat is fixed to the placement table.

5. The test foolproof device according to claim 3, characterized in that: the lowering mechanism comprises a buffer lowerer, and the buffer lowerer is arranged in the base and fixed with the placement table.

6. The test foolproof device according to claim 5, characterized in that: the jacking mechanism abuts against the middle part of the placement table; and the number of the buffer assemblies is at least two, and the buffer assemblies are arranged around the middle part of the placement table.

7. The test foolproof device according to claim 6, characterized in that: the buffer lowerer is a spring shock absorber.

8. The test foolproof device according to claim 1, characterized in that: it further comprises a control opening and closing delay module for electrically connecting with the test power supply, and the control opening and closing delay module is electrically connected with the control opening and closing device.

9. The test foolproof device according to claim 2, characterized in that: it further comprises a sensing delay power supply module, a photoelectric sensor and an alarm module electrically connected with the test power supply; the sensing delay power supply module is electrically connected with the photoelectric sensor; the photoelectric sensor is arranged on the placement table; and the photoelectric sensor is electrically connected with the alarm module.

10. The test foolproof device according to any one of claims 2-9, characterized in that: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ The control opening and closing device further comprises a pressing handle, a pressing plate and a rotating shaft; One end of the pressing handle is rotatably arranged on the base, and the other end extends along a direction close to the opening of the accommodating cavity and is connected with the pressing plate; The pressing handle is connected with the placing table through the rotating shaft.

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