Automatic test equipment and method
The design of automated testing equipment enables efficient and automated testing of the lifespan of switch levers, solving the inefficiency problem caused by manual operation and supporting simultaneous testing of multiple switch products.
Patent Information
- Application Number
- CN202210809676.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-07-11
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2042-07-11
AI Technical Summary
In existing technologies, the efficiency of detecting the lifespan of switch levers is low, and the reliance on manual operation leads to low overall work efficiency.
An automatic testing device was designed, including a main control module, a power supply module, a detection module, and a module under test. The main control module controls the power supply module to provide power, and a pulse generator sends pulse signals to realize automatic flip-to-turn testing of switch products. The number of flip-to-turn operations is compared using standard components and test components, and simultaneous testing of multiple switch products is supported.
It improves the efficiency of switch product testing, enables simultaneous testing of multiple switch products, reduces manual intervention, and enhances the automation and stability of testing.
Smart Images

Figure CN115113035B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of automatic test equipment, in particular to an automatic test equipment and method. BACKGROUND
[0002] The circuit breaker refers to a switch product capable of closing, carrying and opening the current under normal circuit conditions and closing, carrying and opening the current under abnormal circuit conditions within a specified time.
[0003] In order to ensure the use effect of the switch product, the switch product to be shipped is usually detected, and the switch product to be detected is simply tested when the switch paddle life is detected. When the paddle is tested, the tester confirms the product by calculating the number of times of the paddle test.
[0004] The switch product is manually tested by the tester to detect the paddle service life of the switch product, which can easily lead to low overall work efficiency during testing. SUMMARY
[0005] In order to improve the work efficiency when testing the switch product, the present application provides an automatic test equipment and method.
[0006] In the first aspect, the automatic test equipment provided by the present application adopts the following technical scheme:
[0007] The automatic test equipment comprises a main control module, a power module, a detection module and a test module.
[0008] The power output end of the power module is connected to the power input end of the switch product to be detected. The control end of the power module is connected to the main control module, and the main control module is used to control the on-off between the switch product to be detected and the power module.
[0009] The detection module is connected between the test module and the power module.
[0010] The test module is used to install the switch product to be detected, and the power module is used to supply power to the switch product to be detected.
[0011] The detection module comprises a control switch and a pulse generator. The control switch is used to start and stop the pulse generator, and the signal output end of the pulse generator is connected to the test module. The pulse generator is used to send a pulse signal to the switch product.
[0012] By adopting the technical scheme, the switch product to be tested is installed on the testing module, the power supply and the switch product to be tested are connected, the power supply of the switch product to be tested is realized through the main control module, the control switch is closed, the pulse generator is started, so that the pulse generator sends the pulse signal to the switch product to be tested, the switch product is changed from the on state to the off state after receiving the pulse signal, so that the switch product is realized. The working efficiency of the switch product is improved when the switch product is tested.
[0013] Optionally, the testing module comprises an expansion control switch connected to the pulse generator, and the output end of the expansion control switch is connected in parallel with a standard component and a plurality of test components.
[0014] The standard component is used to obtain the standard parameters of the switch product and output.
[0015] The test component is used to obtain the test parameters of the switch product to be tested.
[0016] The signal output ends of the test component and the standard component are connected with the main control module.
[0017] By adopting the technical scheme, when the service life of the switch product to be tested is tested, a standard switch product is selected to synchronously receive the pulse signal with the switch product to be tested, the number of times of the switch obtained by the standard component is taken as a reference group, and the number of times of the switch obtained by the test component is taken as a control group, so that the advantages and disadvantages of the switch product to be tested are realized.
[0018] The output end of the expansion control switch is connected in parallel with the standard component and the plurality of test components, so that the pulse signal is sent to the standard component and the plurality of test components by one pulse generator, the signals of the standard component and the test component are obtained at the same time, and in addition, the plurality of switch products can be tested, so that the cost expenditure when the plurality of switch products are tested is reduced.
[0019] Optionally, the testing module further comprises a positioning track for installing the switch product to be tested, a plurality of clamping grooves are formed in the positioning track, and the plurality of clamping grooves are arranged along the length direction of the positioning track.
[0020] The clamping groove penetrates one side of the positioning track and is slidably connected with a limiting clamping seat, the side of the limiting clamping seat away from the clamping groove protrudes outside the clamping groove, and the limiting clamping seat and the inner wall of the clamping groove form a clamping space for buckling the switch product to be tested.
[0021] The elastic member is fixedly connected to the limiting holder at an end away from the inner wall of the clamping groove, and is used to drive the limiting holder to move towards the inside of the clamping groove.
[0022] By adopting the above technical scheme, the positioning track is installed on the corresponding workbench, the limiting holder is pulled out from the clamping groove, the elastic member is pulled up, the clamping space is enlarged, the switch product to be tested is put into the clamping space, the limiting holder is manually released after the switch product is buckled, the elastic member is reset, the limiting holder is driven to move towards the inside of the clamping groove, the elastic member and the limiting holder realize clamping and installation of the switch product, and the stability of installation of the switch product during testing is improved.
[0023] Optionally, the power supply module comprises an alternating current power supply and a direct current power supply; power output ends of the alternating current power supply and the direct current power supply are connected to the expansion control switch.
[0024] An output end of the expansion control switch is connected with an alternating current power supply main circuit and a direct current power supply main circuit.
[0025] A plurality of alternating current branch circuits are connected in parallel on the alternating current power supply main circuit, and the alternating current branch circuits are used to connect power input ends of the switch products to be tested.
[0026] A plurality of direct current branch circuits are connected in parallel on the direct current power supply main circuit, and the direct current branch circuits are used to connect power input ends of the switch products to be tested.
[0027] The plurality of alternating current branch circuits and the plurality of direct current branch circuits are one-to-one arranged.
[0028] By adopting the above technical scheme, a plurality of alternating current branch circuits and direct current branch circuits are arranged to realize simultaneous testing of a plurality of switch products, thereby improving the practicability of the automatic testing device; the alternating current branch circuits are connected in parallel with the alternating current power supply, if any switch product connected by any alternating current branch circuit is disconnected, the switch products connected by the remaining alternating current branch circuits can still continuously run and test, thereby maintaining the overall operation stability during simultaneous testing of the plurality of switch products; the direct current branch circuits are arranged in the same principle.
[0029] In addition, the plurality of alternating current branch circuits and the plurality of direct current branch circuits are one-to-one arranged, the power supply applicable to the switch products to be tested can be alternating current or direct current, and the alternating current branch circuits and the direct current branch circuits are one-to-one arranged to maintain the required power supply of the switch product to be tested connected on any testing module.
[0030] Optionally, a side of the limiting clamping seat facing the interior of the clamping groove is provided with an anti-skid protrusion, the anti-skid protrusion is provided with a detection piece abutting against the outer wall of the switch product to be detected, and the output end of the detection piece is connected in series in the AC branch or the DC branch; the detection piece is used for controlling the on-off of the adjacent AC branch or DC branch.
[0031] By adopting the above technical scheme, the power required by the switch product installed in any limiting clamping seat can be AC power or DC power, but the switch product in any limiting clamping seat can only be connected to one kind of power supply; if the current switch product is connected to the AC branch, the detection piece is triggered, so as to force the detection piece to disconnect the DC branch corresponding to the current AC branch; thereby preventing the current switch product to be detected from being damaged due to being connected to double power supplies, and vice versa.
[0032] Optionally, the standard assembly comprises a first electromagnetic counter connected to the standard switch product.
[0033] The test assembly comprises a second electromagnetic counter connected to the switch product to be tested.
[0034] The main control module comprises a controller and a display connected to the controller; the first electromagnetic counter and the second electromagnetic counter are both connected to the controller, and the display is used for displaying the display information sent by the controller.
[0035] By adopting the above technical scheme, the first electromagnetic counter is arranged to count the number of times of the dial piece of the standard switch product, the second electromagnetic counter is arranged to count the number of times of the dial piece of the switch product to be tested, the first electromagnetic counter and the second electromagnetic counter send the counted number of times of the dial piece to the controller respectively, and the controller sends the corresponding number of times of the dial piece to the display for display, so as to facilitate the test personnel to intuitively obtain the number of times of the dial piece of the switch product to be tested and whether the number of times of the dial piece of the current switch product to be tested meets the standard.
[0036] In a second aspect, the automatic test method provided in the present application adopts the following technical scheme:
[0037] The automatic test method comprises the following steps:
[0038] Installation: install the switch product to be tested into the corresponding clamping space and connect it to the corresponding second electromagnetic counter;
[0039] Connect the standard switch product to the first electromagnetic counter;
[0040] Reset the first electromagnetic counter and the second electromagnetic counter;
[0041] Start test: close the expansion control switch and start the pulse generator;
[0042] Obtaining test results: the controller receives the counting information fed back by the first electromagnetic counter and the second electromagnetic counter respectively.
[0043] By adopting the technical scheme, when testing the dial piece life of the switch product to be tested, a standard switch product is selected to synchronously receive the pulse signal with the switch product to be tested, the dial piece times obtained by the first electromagnetic counter are taken as a reference group, and the dial piece times obtained by the second electromagnetic counter are taken as a control group, so that the advantages and disadvantages of the switch product to be tested are judged.
[0044] Optionally, the step of installing has the following steps before the step of installing:
[0045] Obtaining the applicable power supply of the switch product to be tested, wherein the applicable power supply includes an alternating current power supply and a direct current power supply;
[0046] If the applicable power supply of the switch product to be tested is the alternating current power supply, the switch product to be tested is connected to the corresponding alternating current branch;
[0047] If the applicable power supply of the switch product to be tested is the direct current power supply, the switch product to be tested is connected to the corresponding direct current branch.
[0048] By adopting the technical scheme, the alternating current power supply / direct current power supply is set to supply power to the switch product to be tested, and the adaptability of the automatic test equipment is improved. In addition, the appropriate power supply is selected to supply power to the switch product to be tested, and unnecessary loss caused by the inadapted power supply connected to the switch product is reduced.
[0049] Optionally, the step of obtaining the test results further includes the following steps after the step of obtaining the test results:
[0050] Comparing the counting information of the first electromagnetic counter and the second electromagnetic counter;
[0051] If the counting information of the second electromagnetic counter is less than the counting information of the first electromagnetic counter, it is judged that the corresponding switch product to be tested is a defective product.
[0052] Optionally, the step of starting the test and the step of installing further include the following steps between the step of starting the test and the step of installing:
[0053] Obtaining product information of the switch product to be tested, wherein the product information includes the dial piece limit times of the switch product to be tested;
[0054] According to the product information of the switch product to be tested, the start period of the pulse generator is preset.
[0055] By adopting the technical scheme, according to the limit times of the switch product to be tested and the start period of the set pulse generator, when the pulse generator finishes a period, the pulse signal is stopped, the switch product to be tested is tested, unnecessary loss of the switch product caused by the pulse signal is reduced, the automation degree of the automatic test equipment in testing the switch product is improved, and the work efficiency of the test is improved.
[0056] In summary, the present application has at least the following beneficial technical effects:
[0057] 1. First, the power supply of the switch product to be tested is realized by the master control module, then the control switch is closed, the pulse generator is started, so that the pulse generator sends the pulse signal to the switch product to be tested, when the switch product receives the pulse signal, the switch product is changed from the on state to the off state, so that the switch product is realized, the pulse signal emission times of the pulse generator can be set, so that the switch product to be tested is tested, the work efficiency of the switch product is improved;
[0058] 2. When testing the switch product to be tested, a standard switch product is selected to receive the pulse signal synchronously with the switch product to be tested, the switch times of the first electromagnetic counter are taken as the reference group, and the switch times of the second electromagnetic counter are taken as the control group, so that the advantages and disadvantages of the switch product to be tested are judged. BRIEF DESCRIPTION OF DRAWINGS
[0059] Figure 1 is the control principle diagram of the automatic test equipment in the present application;
[0060] Figure 2 is the circuit principle diagram of the power module, the detection module and the test module in the present application;
[0061] Figure 3 is the installation structure schematic diagram of the automatic test equipment in the present application;
[0062] Figure 4 is the installation structure schematic diagram of the test module in the present application;
[0063] Figure 5 is another embodiment structure schematic diagram of the test module in the present application;
[0064] Figure 6 is the partial circuit principle diagram of another embodiment of the test module in the present application.
[0065] EXPLANATION OF REFERENCE NUMERALS:
[0066] 1, master control module; 11, controller; 12, display; 2, power module; 21, AC power supply main circuit; 211, AC branch; 22, DC power supply main circuit; 221, DC branch; 3, detection module; 31, control switch; 32, pulse generator; 4, to be tested module; 41, expansion control switch; 42, positioning track; 421, clamping groove; 422, limiting clamping seat; 423, clamping space; 424, elastic member; 425, anti-skid convex part; 426, detection member; 4261, detection element; 4262, relay; 43, standard assembly; 431, first electromagnetic counter; 44, test assembly; 441, second electromagnetic counter; 5, double control over-current protection switch. DETAILED DESCRIPTION
[0067] In order to make the purpose, technical scheme and advantages of the present application more clear, the following will combine with the drawings of the present application to further describe the present application in detail. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application. Figures 1-6 In order to make the purpose, technical scheme and advantages of the present application more clear, the following will combine with the drawings of the present application to further describe the present application in detail. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.
[0068] Reference Figure 1 and Figure 2 The embodiment of the present application discloses an automatic test equipment, which comprises a master control module 1, a power module 2, a detection module 3 and a to-be-tested module 4; wherein:
[0069] The control end of the power module 2 is connected with the master control module 1, and the power output end is connected with the power input end of the to-be-tested switch product; for supplying power to the to-be-tested switch product;
[0070] The power module 2 comprises an AC power supply and a DC power supply; so as to realize the power supply requirement of the switch product.
[0071] The detection module 3 is connected between the to-be-tested module 4 and the power module 2, and the detection module 3 comprises a control switch 31 and a pulse generator 32; the control switch 31 is used for starting and stopping the pulse generator 32; the output end of the pulse generator 32 is connected with the to-be-tested module 4 as the output end of the detection module 3; and the pulse generator 32 is used for sending a pulse signal to the to-be-tested switch product.
[0072] When the switch product receives the pulse signal and changes from the on state to the off state, the paddle in the switch product is driven, the number of pulse signal emission of the pulse generator 32 can be set, so as to realize the multiple paddle driving test of the to-be-tested switch product, thereby improving the work efficiency when testing the switch product.
[0073] The to-be-tested module 4 comprises an expansion control switch 41, a positioning track 42, a standard assembly 43 and a plurality of test assemblies 44; wherein the input end of the expansion control switch 41 is connected to the output end of the power supply module 2 and the pulse generator 32 at the same time; the output end of the pulse generator 32 is connected in parallel with the alternating current power supply main line 21 and the direct current power supply main line 22;
[0074] With reference to Figure 2 and Figure 3 , the standard assembly 43 and the plurality of test assemblies 44 are connected in parallel to the output end of the expansion control switch 41; a plurality of alternating current branches 211 are connected in parallel on the alternating current power supply main line 21, and the alternating current branches 211 are used for connecting the power supply input end of the to-be-tested switch product; a plurality of direct current branches 221 are connected in parallel on the direct current power supply main line 22, and the direct current branches 221 are used for connecting the power supply input end of the to-be-tested switch product; in the embodiment, the plurality of alternating current branches 211 and the plurality of direct current branches 221 are arranged one by one.
[0075] In the embodiment, the positioning track 42 is provided with two, and the two positioning tracks 42 are arranged correspondingly to the alternating current power supply main line 21 and the direct current power supply main line 22; the two positioning tracks 42 are arranged in parallel to each other, and the positioning track 42 can be fixed on the specified working area / workbench by the bolt connection.
[0076] With reference to Figure 3 and Figure 4 , the positioning track 42 is recessed on the side away from the workbench, and a plurality of clamping grooves 421 are arranged in the recessed side; the plurality of clamping grooves 421 are equidistantly distributed along the length direction of the positioning track 42; a limiting clamping seat 422 is slidably connected in the clamping groove 421; the clamping groove 421 penetrates through one side of the positioning track 42, and the limiting clamping seat 422 protrudes outward from the clamping groove 421 on the side away from the clamping groove 421; the limiting clamping seat 422 and the inner wall of the clamping groove 421 form a clamping space 423 for buckling the to-be-tested switch product.
[0077] The inner wall of the clamping groove 421 is fixedly connected with two elastic members 424 arranged side by side, and the ends of the two elastic members 424 away from the inner wall of the clamping groove 421 are fixedly connected to the limiting clamping seat 422; in the embodiment, the elastic member 424 adopts a spring, and the elastic member 424 is used to drive the limiting clamping seat 422 to move towards the direction close to the inside of the clamping groove 421.
[0078] With reference to Figure 4 and Figure 5 , in another embodiment, the side of the limiting clamping seat 422 towards the inside of the clamping groove 421 is protrudingly provided with an anti-skid protrusion 425, and a detection member 426 for abutting against the outer wall of the to-be-tested switch product is arranged on the anti-skid protrusion 425; the output end of the detection member 426 is connected in series in the alternating current branch 211 or the direct current branch 221; the detection member 426 is used to control the on-off of the adjacent alternating current branch 211 or direct current branch 221.
[0079] The detection member 426 comprises a detection element 4261 and a relay 4262 connected to the signal output end of the detection element 4261; the output end of the relay 4262 is normally closed and is connected in series in the connected DC branch 221 or AC branch 211; wherein the detection element 4261 can adopt a pressure sensor, a proximity switch or the like electronic element;
[0080] Referring to Figure 5 and Figure 6 In another embodiment, the signal output end of the detection element 4261 installed on the AC branch 211 is connected with an analog-digital converter, the output end of the analog-digital converter is connected with an NPN transistor Q1, the collector of the NPN transistor Q1 is connected with a power supply, and the emitter stage is connected with the input end K2 of the relay 4262; when the detection element 4261 is triggered, a feedback instruction is sent, the analog-digital converter sends a high level to the NPN transistor Q1 according to the feedback instruction, the NPN transistor Q1 is turned on, and the input end K2 of the relay 4262 is powered; the output end K2-1 of the relay 4262 is disconnected, and the adjacent DC branch 221 is disconnected.
[0081] The signal output end of the detection element 4261 installed on the DC branch 221 is connected with an analog-digital converter, the output end of the analog-digital converter is connected with an NPN transistor Qn, the collector of the NPN transistor Qn is connected with a power supply, and the emitter stage is connected with the input end K1 of the relay 4262; when the detection element 4261 is triggered, a feedback instruction is sent, the analog-digital converter sends a high level to the NPN transistor Qn according to the feedback instruction, the NPN transistor Qn is turned on, and the input end K1 of the relay 4262 is powered; the output end K1-1 of the relay 4262 is disconnected, and the adjacent AC branch 211 is disconnected.
[0082] Referring to Figure 1 and Figure 2 The standard assembly 43 comprises a first electromagnetic counter 431 connected to a standard switch product; the test assembly 44 comprises a second electromagnetic counter 441 connected to a switch product to be tested; one second electromagnetic counter 441 corresponds to a group of AC branches 211 and DC branches 221; a plurality of second electromagnetic counters 441 are installed side by side between the two positioning rails 42, and the arrangement direction of the plurality of second electromagnetic counters 441 is arranged in the same direction along the length direction of the positioning rail 42.
[0083] In the embodiment, the master module 1 comprises a controller 11 and a display 12 connected to the controller 11; the first electromagnetic counter 431 and the second electromagnetic counter 441 are connected to the signal input end of the controller 11, the controller 11 processes the counting information sent by the first electromagnetic counter 431 and the second electromagnetic counter 441 and sends the display information to the display 12, and the display 12 displays the display information sent by the controller 11, so as to be read intuitively by the tester.
[0084] Based on the same design concept, the embodiment of the application further discloses an automatic testing method.
[0085] Reference Figure 2 and Figure 3 The automatic testing method comprises the following steps:
[0086] S100: initializing a testing device.
[0087] Specifically, the step S100 comprises the following steps:
[0088] S110: obtaining an applicable power supply of a current switch product to be tested.
[0089] Specifically, the applicable power supply of the switch product to be tested comprises an alternating current power supply and a direct current power supply.
[0090] Referring to Figure 2 In the embodiment, a 220V alternating current total power supply is arranged; the alternating current total power supply is connected with a double-control overcurrent protection switch 5, and the double-control overcurrent protection switch 5 is used for protecting the total power supply and reducing the possibility of unnecessary damage to the total power supply.
[0091] The output end of the double-control overcurrent protection switch 5 is connected with an alternating current voltage regulating power supply, and the alternating current voltage regulating power supply is used for regulating the current / voltage of the switch to be tested.
[0092] The output end of the double-control overcurrent protection switch 5 is also connected with a direct current adjustable power supply; the direct current adjustable power supply is used for converting alternating current into direct current of the switch to be tested and regulating the current / voltage of the switch to be tested.
[0093] The direct current adjustable power supply and the alternating current voltage regulating power supply are both connected to the expansion control switch 41.
[0094] For example, the acquisition of the marking information can be performed according to the product label attached to the switch product.
[0095] S120: installing the switch product according to the applicable power supply.
[0096] For example, if the applicable power supply of the current switch product to be tested is an alternating current power supply, the switch product to be tested is connected to the corresponding alternating current branch 211.
[0097] If the power supply for the switch under test is a DC power supply, then connect the switch under test to the corresponding DC branch 221.
[0098] Specifically, the switch product to be tested is installed into the corresponding snap-fit space 423 and connected to the corresponding second electromagnetic counter 441; the standard switch product is connected to the first electromagnetic counter 431; the first electromagnetic counter 431 and the second electromagnetic counter 441 are reset.
[0099] For example, in this embodiment, AC branch 211 and DC branch 221 are installed one-to-one on both sides of the second electromagnetic counter 441 and connected to the switch product in the corresponding card slot 423.
[0100] S130: Obtain product information of the switch under test.
[0101] For example, product information includes the current limit number of times the switch levers of the product under test can be turned;
[0102] S140: Based on the product information of the switch under test, preset the start-up cycle of the pulse generator 32.
[0103] After step S100 is completed, step S200 is executed.
[0104] S200: Start test.
[0105] Specifically, step S200 includes the following steps:
[0106] S210: Close extension control switch 41;
[0107] S220: Start pulse generator 32;
[0108] Specifically, closing the extended control switch 41 supplies power to the switch product under test; starting the pulse generator 32 can be achieved simply by closing the control switch 31; it is worth noting that the pulse time also needs to be set, with the rising edge (on) time T1 and the falling edge (off) time T2, and the on / off time interval is obtained based on the label information of the current switch product.
[0109] S300: Obtain test results.
[0110] Specifically, step S300 includes the following steps:
[0111] S310: The controller 11 receives the counting information fed back by the first electromagnetic counter 431 and the second electromagnetic counter 441 respectively.
[0112] S320: Compare the counting information of the first electromagnetic counter 431 and the second electromagnetic counter 441;
[0113] If the count information of the second electromagnetic counter 441 is less than the count information of the first electromagnetic counter 431, it is determined that the corresponding switch product to be tested is a defective product.
[0114] The test data (the count information fed back by the second electromagnetic counter 441 corresponding to each switch product that has completed the test) is compared with the standard data (the count information fed back by the first electromagnetic counter 431) to obtain the final result.
[0115] S330: The automatic test equipment is turned off as a whole by the controller 11.
[0116] The controller 11 is connected to the control end of the double-control overcurrent protection switch 5, and the automatic test equipment can be directly turned off by disconnecting the power supply.
[0117] The application further provides a computer readable storage medium, which stores a computer program capable of being loaded and executed by a processor to implement the above steps.
[0118] The computer readable storage medium includes, for example, a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and various media capable of storing program codes.
[0119] Based on the same inventive concept, the application provides a computer device, which includes a memory and a processor, and the memory stores a computer program capable of being loaded and executed by the processor to implement the above method.
[0120] Those skilled in the art can clearly understand that, for the convenience and brevity of description, only the division of the above functional modules is taken as an example for illustration, and in actual application, the above functions can be completed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to complete all or part of the above described functions. The specific working process of the above described system, device and unit can refer to the corresponding process in the foregoing method embodiments, and will not be described here.
[0121] In several embodiments provided in the present application, it should be understood that the disclosed system, device and method can be implemented in other manners. For example, the described device embodiments are merely schematic. For example, the division of the modules or units is merely logical function division. There can be another division manner for the actual implementation, for example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the displayed or discussed mutual couplings or direct couplings or communication connections can be indirect couplings or communication connections through some interfaces, devices or units, and can be in electrical, mechanical or other forms.
[0122] The units described as separate components can or can not be physically separate, and the components shown as units can or can not be physical units, i.e., can be located in one place, or can be distributed on multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the embodiment.
[0123] In addition, each functional unit in the various embodiments of the present application can be integrated in one processing unit, or each unit can be physically present separately, or two or more units can be integrated in one unit. The integrated unit can be realized in the form of hardware or in the form of a software functional unit.
[0124] The integrated unit, if realized in the form of a software functional unit and sold or used as an independent product, can be stored in a computer readable storage medium. Based on this understanding, the technical solutions of the present application essentially or the part that contributes to the prior art or the whole or part of the technical solutions can be embodied in the form of a software product. The computer software product is stored in a storage medium, and includes a number of instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) or a processor to execute all or part of the steps of the methods described in the various embodiments of the present application. The aforementioned storage medium includes: a U disk, a mobile hard disk, a read-only memory, a random access memory, a magnetic disk or an optical disk, and various program code storage media.
[0125] The above embodiments are merely used to describe the technical solutions of the present application in detail, but the above embodiment descriptions are only used to help understand the methods and core ideas of the present application, and should not be construed as limitations of the present application. The skilled in the art can easily think of changes or replacements within the technical scope disclosed in the present application, which should be covered within the protection scope of the present application.
Claims
1. Automatic test equipment, characterized in that The device comprises a main control module (1), a power module (2), a detection module (3) and a module to be tested (4); The power output end of the power module (2) is connected with the power input end of the switch product to be tested; the control end of the power module (2) is connected with the main control module (1), and the main control module (1) is used for controlling the on-off between the switch product to be tested and the power module (2); The detection module (3) is connected between the module to be tested (4) and the power module (2); The module to be tested (4) is used for installing the switch product to be tested, and the power module (2) is used for supplying power for the switch product to be tested; The detection module (3) comprises a control switch (31) and a pulse generator (32); the control switch (31) is used for starting and stopping the pulse generator (32); the signal output end of the pulse generator (32) is connected with the module to be tested (4); and the pulse generator (32) is used for sending a pulse signal to the switch product. The pulse generator sends a pulse signal to the switch product to be tested; when the switch product receives the pulse signal, the switch product changes from an on state to an off state, so as to realize the switching of a switch in the switch product; the number of times of sending the pulse signal by the pulse generator is set, so as to realize the multiple switching tests of the switch product to be tested.
2. The automatic test equipment of claim 1, wherein, The module to be tested (4) comprises an expansion control switch (41) connected with the pulse generator (32); the output end of the expansion control switch (41) is connected in parallel with a standard component (43) and a plurality of test components (44); The standard component (43) is used for obtaining standard parameters of a standard switch product and outputting the standard parameters; The test component (44) is used for obtaining test parameters of the switch product to be tested; The signal output ends of the test component (44) and the standard component (43) are connected with the main control module (1).
3. The automatic test equipment of claim 2, wherein, The module to be tested (4) further comprises a positioning track (42) used for installing the switch product to be tested; a plurality of clamping grooves (421) are formed in the positioning track (42) and arranged along the length direction of the positioning track (42); The clamping groove (421) penetrates through one side of the positioning track (42) and is slidably connected with a limiting clamping seat (422); the side of the limiting clamping seat (422) away from the clamping groove (421) protrudes outward from the clamping groove (421); the limiting clamping seat (422) and the inner wall of the clamping groove (421) form a clamping space (423) for buckling the switch product to be tested; An elastic member (424) is arranged in the clamping groove (421); one end of the elastic member (424) away from the inner wall of the clamping groove (421) is fixedly connected with the limiting clamping seat (422); and the elastic member (424) is used for driving the limiting clamping seat (422) to move towards the inner side of the clamping groove (421).
4. The automatic test equipment of claim 3, wherein, The power module (2) comprises an alternating current power supply and a direct current power supply; the power output ends of the alternating current power supply and the direct current power supply are connected with the expansion control switch (41). An output end of the expansion control switch (41) is connected with an AC power main line (21) and a DC power main line (22); A plurality of AC branches (211) are connected in parallel with the AC power main line (21), and the AC branches (211) are used for connecting power input ends of switch products to be tested; A plurality of DC branches (221) are connected in parallel with the DC power main line (22), and the DC branches (221) are used for connecting power input ends of switch products to be tested; The plurality of AC branches (211) and the plurality of DC branches (221) are arranged one by one.
5. The automatic test equipment of claim 4, wherein, A side of the limiting clamping seat (422) towards the inside of the clamping groove (421) is provided with an anti-skid protruding part (425), the anti-skid protruding part (425) is provided with a detection piece (426) for abutting against an outer wall of a switch product to be tested, and an output end of the detection piece (426) is connected in series with the AC branch (211) or the DC branch (221); the detection piece (426) is used for controlling on-off of adjacent AC branches (211) or DC branches (221).
6. The automatic test equipment of claim 4, wherein, The standard assembly (43) comprises a first electromagnetic counter (431) connected to a standard switch product; The test assembly (44) comprises a second electromagnetic counter (441) connected to a switch product to be tested; The main control module (1) comprises a controller (11) and a display (12) connected to the controller (11); the first electromagnetic counter (431) and the second electromagnetic counter (441) are both connected to the controller (11), and the display (12) is used for displaying display information sent by the controller (11).
7. An automated testing method suitable for use in the automated test equipment of any one of claims 4 to 6, characterized in that, The method comprises the following steps: Installation: installing the switch product to be tested into the corresponding clamping space (423) and connecting to the corresponding second electromagnetic counter (441); Connecting the standard switch product to the first electromagnetic counter (431); Resetting the first electromagnetic counter (431) and the second electromagnetic counter (441); Starting test: closing the expansion control switch (41) and starting the pulse generator (32); Obtaining test results: the controller (11) receives count information fed back by the first electromagnetic counter (431) and the second electromagnetic counter (441) respectively.
8. The automatic testing method of claim 7, wherein, The step of installation is followed by the following steps: Obtaining applicable power of the switch product to be tested, wherein the applicable power comprises AC power and DC power; If the applicable power of the switch product to be tested is AC power, connecting the switch product to be tested to the corresponding AC branch (211); If the applicable power of the switch product to be tested is DC power, connecting the switch product to be tested to the corresponding DC branch (221).
9. The automatic testing method of claim 7, wherein, The step of obtaining test results is followed by the following steps: Comparing count information of the first electromagnetic counter (431) and the second electromagnetic counter (441); If the count information of the second electromagnetic counter (441) is less than the count information of the first electromagnetic counter (431), judging that the corresponding switch product to be tested is a defective product.
10. The automatic testing method of claim 7, wherein, The step of starting test and the step of installation are followed by the following steps: Acquire product information of the switch product to be tested; the product information includes the limit times of the current switch product to be tested; According to the product information of the switch product to be tested, preset the start period of the pulse generator (32).
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