Input and output function module testing device
By designing the input and output functional module test device, the movable seat and thimble mechanism are used to realize the accurate detection of the metal contacts of the input and output functional module, which solves the problem of time-consuming, labor-intensive and error-prone problems of existing detection methods, and improves the detection efficiency and accuracy.
Patent Information
- Application Number
- CN202421535384.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-07-02
AI Technical Summary
The existing input and output functional module detection methods are time-consuming and laborious, error-prone, and are not easy to indicate the specific location of the defective product.
A test device for input and output functional modules is designed, including a machine base, a movable seat and a thimble mechanism. The movable seat realizes positioning and giving way to the input and output functional modules through the positioning plate and sinking groove. The thimble mechanism forms an electrical connection with the metal contacts through the elastically telescopic thimble to realize circuit test conduction.
This device greatly improves the detection efficiency of the input and output functional modules, the testing process becomes faster, and the marking position of the unqualified products is more convenient, reducing the possibility of detection errors.
Smart Images
Figure CN222439531U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of UV power supply production, in particular to an input and output function module testing device. Background Art
[0002] UV power supply, especially intelligent UV power supply, includes control board, housing, power board, LED shunt board, etc., and uses the control power board of the control board to realize the high-voltage state lighting of UV lamps and distribute and provide stable current to each UV lamp after the lamp is lit. In the process of controlling the power board, the control board has various functional mode conversions. The control board itself is only composed of control circuits and cannot be realized alone. It is necessary to connect separate input and output function modules with different functions to realize the input and output mode of UV power supply in specific application equipment.
[0003] Therefore, during the assembly process of the UV power supply, it is necessary to detect the operating performance of the input and output function modules to ensure that the input and output function modules of the control board can be switched in the specific product equipment after the UV power supply is assembled.
[0004] When testing the existing input / output function module, the probe on the oscilloscope is inserted into the corresponding metal contact of the input / output function module. After the probe contacts the input / output function module, an electrical connection is formed between the oscilloscope and the input / output function module. The test key conducts the circuit of different metal contacts to realize the detection on the input / output function module. Fig. 9 , Fig.10 The input-output functional module includes a wire trough arranged on the front, and the wire trough is used to plug in the power cord and electrically connect with the control board. The input-output functional module is provided with metal contacts corresponding to the wire trough on the back of the wire trough. Since the metal contacts are located on the back of the input-output functional module, when a probe is used for contact, the test status of the corresponding circuit cannot be determined by the mark of the corresponding wire trough. Therefore, the detection process is time-consuming and labor-intensive, and is also prone to errors. When one of the metal contacts corresponding to the circuit fails to meet the requirements during the input-output functional module detection process, it is necessary to re-confirm and inspect, and the specific location of the defective product cannot be well marked. Summary of the invention
[0005] The utility model aims to provide an input-output functional module testing device, aiming to solve the problem that the detection of metal contacts of the input-output functional module is time-consuming and laborious, prone to errors, and difficult to mark the specific location of defective products when the metal contacts of the input-output functional module are located on the back.
[0006] In view of this, the technical solution provided by the utility model is: an input-output function module testing device, including a machine base, a plurality of test keys are arranged at the front end of the machine base, a bottom groove is arranged in the middle of the surface of the machine base, a movable seat which can be elastically lifted and lowered is arranged on the upper part of the bottom groove, the movable seat includes a positioning plate, a first sinking groove for positioning the input-output function module is arranged on the surface of the positioning plate, a second sinking groove for giving way is arranged inside the first sinking groove, the second sinking groove is arranged with a pin hole corresponding to the metal contact of the input-output function module, the pin hole passes through the bottom of the positioning plate, a plurality of pin mechanisms corresponding to the pin holes are fixed on the bottom groove, the pin mechanism includes The invention relates to a resilient and retractable ejector pin, wherein the ejector pin is electrically connected to the test key, a pressure rod frame is provided on one side of the bottom groove, a lifting pressure rod is connected to the pressure rod frame, a test pressure plate is provided on the end of the lifting pressure rod, and a plurality of downward pressure pins are fixed on the test pressure plate, the pressure pins are arranged above the first sink groove and avoid the positions of circuit components on the corresponding input and output function modules, and the lifting pressure rod is used to press the positioned input and output function modules to tighten them, and simultaneously drive the movable seat to be pressed down, the ejector pin passes through the ejector pin hole and elastically contacts the metal contact, and the test key is turned on, so that the ejector pin on the corresponding test key and the metal contact form a circuit test conduction.
[0007] Furthermore, the ejector mechanism comprises a sleeve, an ejector spring is sleeved in the sleeve, the ejector is hollow inside, one end of the ejector is movably sleeved in the sleeve, and the ejector presses against one end of the ejector spring. The ejector can be elastically retracted in the sleeve through the ejector spring, so that in the process of pressing down the movable seat, the ejector can be elastically pressed against the metal contact of the product to form an electrical connection.
[0008] Furthermore, the movable seat has a bottom provided with an ejector stopper corresponding to the ejector hole, and the ejector stopper is movably sleeved outside the ejector, so that when the movable seat is pressed down, the ejector is guided by the ejector stopper and passes through the ejector hole.
[0009] Furthermore, a sleeve seat is fixed on the bottom groove, and the sleeve is fixed by being sleeved inside the sleeve seat.
[0010] Furthermore, the movable seat further comprises a plurality of supporting rods arranged at the bottom of the positioning plate, the bottom of the supporting rods is hollow, the bottom groove is provided with a plurality of spring tubes corresponding to the supporting rods, the spring tubes are sleeved with lifting springs, the supporting rods are partially sleeved inside the spring tubes, and the lifting springs are in contact with the supporting rods. Through such connection, the movable seat can be elastically and movably connected above the bottom groove.
[0011] Furthermore, a plurality of support protrusions for supporting the positioning plate are provided on the side wall of the bottom groove, and a rubber pad is glued on the surface of the support protrusion, and the rubber pad is flush with the upper surface of the base. When the positioning plate of the movable seat is moved by pressing down, it can be elastically supported and limited by the support protrusion with the rubber pad, so as to better protect the product.
[0012] Furthermore, the surface of the positioning plate is provided with a pair of hand grooves on the side wall of the second sink, and the hand grooves pass through the outer wall surface of the positioning plate. The hand grooves can be used to hold the product by two fingers against the edge of the hand grooves, thereby facilitating the positioning and placement of the product or taking out the product.
[0013] Furthermore, the machine base is provided with a pair of sliding rods, and the test platen is provided with linear bearings corresponding to the sliding rods, and the sliding rods are sleeved in the linear bearings. Through the linear bearings, a sliding connection is formed between the sliding rods and the test platen, and the test platen moves up and down through the limited sliding of the sliding rods, thereby improving the stability and accuracy of the pressure needle of the test platen.
[0014] Furthermore, a control panel is provided on the machine base, which can well realize the control of test conditions such as voltage and current during product testing.
[0015] Furthermore, the base is provided with a switch, including a switch for turning on the power of the test device and a switch for testing the test key.
[0016] In the utility model, the input-output function module is positioned through the first sink groove on the positioning plate, and the bottom protruding part of the input-output function module can give way through the second sink groove, and a plurality of giving way holes are provided on the second sink groove, which can further achieve the giving way of the protruding part on the input-output function module. The positioning is achieved by pressing the test pressure plate downward through the lifting and lowering pressure rod, thereby achieving the input-output function module being pressed and fixed. After being pressed downward, the bottom of the input-output function module is in contact with the ejector mechanism of the test device. During the test, it is only necessary to press the plurality of test keys provided on the base in sequence, and the ejector pins on the corresponding test keys and the metal contacts form a circuit test conduction. The test results are displayed through an externally connected oscilloscope, thereby achieving the test process of the input-output function module. During the test process, when an abnormality is found through the oscilloscope display, the number of the test key corresponding to the abnormal effect can be marked on the input-output function module, and the test keys with different numbers are used to correspond to the circuit position of the input-output function module, so as to facilitate the subsequent repair personnel to carry out repairs.
[0017] The utility model has the advantages of convenient and quick testing, greatly improving the testing efficiency, and conveniently locating the marking positions of unqualified products. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1It is a schematic diagram of the three-dimensional structure of the utility model.
[0019] Figure 2 Schematic diagram of the test device implementation structure.
[0020] Figure 3 It is a schematic diagram of the machine base and its internal structure.
[0021] Figure 4 for Figure 3 A is a partial enlarged schematic diagram.
[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the movable seat when viewed from above.
[0023] Figure 6 It is a schematic diagram of the three-dimensional structure of the movable seat when viewed from above.
[0024] Figure 7 It is a schematic diagram of the three-dimensional structure of the ejector mechanism.
[0025] Figure 8 It is a schematic diagram of the internal cross-sectional structure of the ejector mechanism.
[0026] Fig. 9 This is a schematic diagram of the structure of the input and output functional module from a top-down perspective.
[0027] Fig.10 This is a schematic diagram of the structure of the input and output functional module when viewed from above.
[0028] Among them: 1- base, 11- switch, 12- test key, 13- emergency stop key, 14- control panel, 15- bottom groove, 151- support protrusion, 16- rubber pad, 17- lifting spring, 18- spring tube, 19- sleeve seat, 2- movable seat, 21- positioning plate, 211- first sink groove, 212- second sink groove, 213- ejector hole, 214- hand groove, 215- give way hole, 216- ejector limit tube, 22- support rod, 3- test pressure plate, 31- pressure needle, 32- linear bearing, 4- lifting pressure rod, 41- handle, 5- pressure rod frame, 6- sliding rod, 7- ejector mechanism, 71- ejector, 72- sleeve, 73- ejector spring, 8- input and output function module, 81- wire slot, 82- metal contact. DETAILED DESCRIPTION
[0029] The following is a brief description of the implementation of the present utility model in conjunction with the accompanying drawings.
[0030] Reference Fig. 9 , Fig.10The input-output functional module 8 includes a wire slot 81 disposed on the front side, the wire slot 81 is used to plug in the power cord and electrically connect with the control board, and the input-output functional module 8 is provided with a metal contact 82 corresponding to the wire slot 81 at the back of the wire slot 81 .
[0031] An input and output function module testing device, referring to 1- Figure 2 , including a base 1, a plurality of test keys 12 are provided at the front end of the base 1, a switch 11 is provided next to the test key 12, and the switch 11 is used to control the test key 12, and another switch 11 is provided on one of the side walls on both sides of the base 1, and the switch 11 is used to turn on the overall power of the test device, and an emergency stop button 13 is provided on the front end side wall of the base 1 to prevent emergency power off when the test is abnormal, and a control panel 14 is provided on the base 1, and the control panel 14 can well realize the control and setting of test conditions such as voltage and current during product testing.
[0032] Reference Figure 3 , Figure 4 A bottom groove 15 is provided in the middle of the surface of the base 1, and a movable seat 2 which can be elastically lifted is provided on the upper part of the bottom groove 15. Figure 5 , Figure 6 The movable seat 2 includes a positioning plate 21. A first groove 211 is provided on the surface of the positioning plate 21 for positioning the input / output functional module 8. A second groove 212 for making way is provided inside the first groove 211. A plurality of making way holes 215 are provided on the second groove 212. The input / output functional module 8 is positioned and placed through the first groove 211, and avoidance is achieved through the second groove 212 and the making way holes 215. In order to better take and place the input / output functional module 8, a pair of hand grooves 214 are provided on the side wall of the second groove 212 on the surface of the positioning plate 21. The hand grooves 214 run through the outer wall surface of the positioning plate 21. By using the hand grooves 214, two fingers can be pressed against the edge of the hand grooves 214 to clamp the product, thereby facilitating the positioning and placement of the product or taking out the product.
[0033] The second sink groove 212 is provided with an ejector hole 213 corresponding to the metal contact 82 of the input / output functional module 8, and the ejector hole 213 runs through the bottom of the positioning plate 21. A plurality of ejector mechanisms 7 corresponding to the ejector holes 213 are fixed on the bottom groove 15. The ejector mechanism 7 is electrically connected to an external oscilloscope (not shown in the figure), and the ejector mechanism 7 includes an elastically retractable ejector 71. An ejector stopper tube 216 corresponding to the ejector hole 213 is provided at the bottom of the movable seat 2. The ejector stopper tube 216 is movably sleeved on the outside of the ejector 71. When the movable seat 2 is pressed down, the ejector 71 is guided by the ejector stopper tube 216 and passes through the ejector hole 213. The ejector 71 is electrically connected to the test key 12. A pressure rod frame 5 is provided on one side of the bottom groove 15. A lifting pressure rod 4 is connected to the pressure rod frame 5. A test pressure plate 3 is provided at the end of the lifting pressure rod 4. A plurality of downward pressing pins 31 are fixed on the test pressing plate 3. The pressing pins 31 are arranged above the first sink 211 and avoid the position of the circuit components on the corresponding input-output functional module 8. The lifting and lowering pressure rod 4 is connected with a handle 41 by utilizing the lever principle. The lifting and lowering and pressing down of the lifting and lowering pressure rod 4 are controlled by utilizing the handle 41. By utilizing the lifting and lowering pressure rod 4, a plurality of pressing pins 31 on the test pressing plate 3 are pressed against the positioned input-output functional module 8 to be pressed. During the pressing process, the movable seat 2 is also pressed down synchronously. At this time, the ejector pin 71 passes through the ejector pin hole 213 and elastically contacts the metal contact 82. After the test key 12 is turned on, the ejector pin 71 on the corresponding test key 12 and the metal contact 82 form a circuit test conduction. The test result is displayed through an externally connected oscilloscope, thereby realizing the test process of the input-output functional module 8. During the test, if an abnormality is found through the oscilloscope display, the number of the test key 12 corresponding to the abnormal effect can be marked on the input-output function module 8, and the test keys 12 with different labels can be used to correspond to the circuit positions of the input-output function module 8 to facilitate subsequent repair personnel to perform repairs.
[0034] Among them, in order to better realize the elastic lifting and lowering of the movable seat 2, a plurality of support rods 22 are arranged at the bottom of the positioning plate 21 of the movable seat 2, and the bottom of the support rod 22 is hollow. Preferably, the support rod 22 is fixedly connected to the positioning plate 21 by bolts. Correspondingly, a plurality of spring tubes 18 corresponding to the support rods 22 are arranged on the bottom groove 15, and a lifting spring 17 is sleeved in the spring tube 18. The support rod 22 is partially movably sleeved inside the spring tube 18, and the lifting spring 17 is in contact with the support rod 22. Through such a connection, the movable seat 2 can be elastically and movably connected above the bottom groove 15, so that when the test pressure plate 3 is pressed down, the pressure needle 31 forms a buffering elastic downward pressure on the input-output functional module 8 to protect the input-output functional module 8.
[0035] A plurality of supporting protrusions 151 for supporting the positioning plate 21 are provided on the side wall of the bottom groove 15. The surface of the supporting protrusions 151 is glued with rubber pads 16. The rubber pads 16 are flush with the upper surface of the machine base 1. When the positioning plate 21 of the movable seat 2 is moved by being pressed down, it can be elastically supported and limited by the supporting protrusions 151 with rubber pads 16, thereby better protecting the product.
[0036] Reference Figure 7 , Figure 8 The ejector mechanism 7 includes a sleeve 72, in which an ejector spring 73 is sleeved. The ejector 71 is hollow inside. One end of the ejector 71 is movably sleeved in the sleeve 72. The ejector 71 is pressed against one end of the ejector spring 73. Through the ejector spring 73, the ejector 71 can be elastically retracted in the sleeve 72. Therefore, in the process of pressing down the movable seat 2, the ejector 71 can be elastically pressed against the metal contact 82 of the product to form an electrical connection.
[0037] The sleeve 72 is fixed by a sleeve seat 19, and a plurality of sleeve holes are arranged on the sleeve seat 19. The bottom of the sleeve 72 of the ejector mechanism 7 is sleeved and fixed in the sleeve holes of the sleeve seat 19 to achieve fixation. The sleeve seat 19 is fixed to the bottom groove 15 by a commonly used fixing method such as threaded fixing, and the sleeve seat 19 sleeves and connects the sleeve 72, which facilitates the replacement or maintenance of the ejector mechanism 7.
[0038] In this embodiment, the machine base 1 is provided with a pair of sliding rods 6, and the test platen 3 is provided with a linear bearing 32 corresponding to the sliding rod 6. The sliding rod 6 is sleeved in the linear bearing 32. Through the linear bearing 32, a sliding connection is formed between the sliding rod 6 and the test platen 3. The test platen 3 moves up and down through the limited sliding of the sliding rod 6, which improves the stability and accuracy of the pressing needle 31 of the test platen 3 and ensures that the pressing needle 31 can better press and fix the product.
[0039] The above embodiments only express the implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.
Claims
1. An input-output function module testing device, comprising a base, a front end of which is provided with a plurality of test keys, characterized in that: A bottom groove is provided in the middle of the surface of the base, and a movable seat that can be elastically lifted and lowered is provided on the upper part of the bottom groove. The movable seat includes a positioning plate, and a first sink groove for positioning the input and output function module is provided on the surface of the positioning plate. A second sink groove for giving way is provided inside the first sink groove, and a pin hole corresponding to the metal contact of the input and output function module is provided in the second sink groove. The pin hole passes through the bottom of the positioning plate, and a plurality of pin mechanisms corresponding to the pin holes are fixed on the bottom groove, and the pin mechanism includes an elastically retractable pin, and the pin is electrically connected to the test key. A pressure rod frame is provided on one side of the groove, and a lifting pressure rod is connected to the pressure rod frame. A test pressure plate is provided at the end of the lifting pressure rod. A plurality of downward pressure pins are fixed on the test pressure plate. The pressure pins are arranged above the first sink groove and avoid the positions of circuit components on the corresponding input and output function modules. By means of the lifting pressure rod, the pressure pins are pressed against the positioned input and output function modules to tighten them, and the movable seat is pressed down synchronously. The ejector pin passes through the ejector pin hole and elastically contacts the metal contact to turn on the test key, and the ejector pin on the corresponding test key and the metal contact form a circuit test conduction.
2. The input-output function module testing device according to claim 1, characterized in that: The ejector mechanism comprises a sleeve, an ejector spring is sleeved in the sleeve, the ejector is hollow inside, one end of the ejector is movably sleeved in the sleeve, and the ejector presses against one end of the ejector spring.
3. The input-output function module testing device according to claim 1, characterized in that: The movable seat has an ejector stop tube corresponding to the ejector hole at its bottom, and the ejector stop tube is movably sleeved outside the ejector, so that when the movable seat is pressed down, the ejector is guided by the ejector stop tube and passes through the ejector hole.
4. The input-output function module testing device according to claim 3, characterized in that: A sleeve seat is fixed on the bottom groove, and the sleeve is fixed by being sleeved inside the sleeve seat.
5. The input-output function module testing device according to claim 1, characterized in that: The movable seat also includes a plurality of support rods arranged at the bottom of the positioning plate, the bottom of the support rods is hollow, a plurality of spring tubes corresponding to the support rods are provided on the bottom groove, a lifting spring is sleeved in the spring tube, the support rod part is movably sleeved inside the spring tube, and the lifting spring is in contact with the support rod.
6. The input-output function module testing device according to claim 1, characterized in that: A plurality of supporting protrusions for supporting the positioning plate are arranged on the side wall of the bottom groove, and a rubber pad is glued on the surface of the supporting protrusion, and the rubber pad is flush with the upper surface of the machine base.
7. The input-output function module testing device according to claim 1, characterized in that: A pair of hand grooves are provided on the surface of the positioning plate on the side wall of the second sink groove, and the hand grooves pass through the outer wall surface of the positioning plate.
8. The input-output function module testing device according to claim 1, characterized in that: The machine base is provided with a pair of sliding rods, and the test platen is provided with linear bearings corresponding to the sliding rods, and the sliding rods are sleeved in the linear bearings.
9. An input-output function module testing device according to any one of claims 1 to 8, characterized in that: A control panel is arranged on the machine base.
10. An input-output function module testing device according to any one of claims 1-8, characterized in that: A switch is arranged on the machine base.