Equipment for controlling startup and shutdown test
By designing a device including a step-down module, a power control module, a main control module and a communication module, the problem of the inability to control the switch-off test in the prior art based on whether the equipment to be tested is working normally, and the performance detection and service life of the equipment to be tested are achieved.
Patent Information
- Application Number
- CN202421639530.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-07-11
AI Technical Summary
Existing test switch equipment cannot control power-on or power-off based on the results of whether the equipment to be tested is working properly, resulting in the equipment being affected by unnecessary tests in abnormal working conditions, affecting its service life.
A device including a step-down module, a power control module, a main control module and a communication module is designed to communicate with the device to be tested through the communication module, detect whether it is working normally, and control the power supply on and off according to the feedback signal to realize the on-off test.
The performance detection of the equipment to be tested is realized, avoiding the on-off test in abnormal working conditions, and protecting the service life of the equipment.
Smart Images

Figure CN222762405U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wireless communication, in particular to a device for controlling a power on / off test. Background Art
[0002] With the development of the network and the popularization of wireless routers and wireless access points (AP), the requirements for the stability and performance of equipment in the research and development process are getting higher and higher. In the actual use of the equipment, it will face various unexpected power outage scenarios, including active Ethernet (POE) powered AP and other equipment, which are inevitably prone to various problems due to repeated unexpected power outages of the equipment. Therefore, it is necessary to provide a test power on and off device to repeatedly control the power on and off of the device under test, so as to test the stability of the device under test.
[0003] Existing test switch equipment only has a separate switch to supply power, or simply searches for the wireless status of the device under test, and cannot control powering on or off again according to the result of whether the device under test is working normally. Utility Model Content
[0004] The utility model provides a device for controlling a power on / off test, the purpose of which is to detect and determine whether a device to be tested works normally after being powered on, so as to continue or suspend the power on / off test.
[0005] In order to achieve the above object, the utility model provides a device for controlling a power on / off test, comprising:
[0006] Step-down module, power control module, main control module, communication module;
[0007] The input end of the step-down module is connected to the mains end, and the output end of the step-down module is connected to the power end of the main control module and the power end of the power control module respectively;
[0008] The input end of the power control module is connected to the output end of the main control module, and the output end of the power control module is connected to the input end of the device under test;
[0009] The data transmission end of the main control module is connected to the data transmission end of the device under test through the communication module;
[0010] The device under test sends a feedback signal to the main control module through the communication module to indicate whether the device under test is working normally. The main control module sends a power on / off control signal to the power control module based on the feedback signal. The power control module sends a power on / off control signal to the device under test based on the power on / off control signal. The power on / off control signal is used to control the device under test to complete the power on / off test.
[0011] Further, the power control module includes a power control unit;
[0012] The power supply terminal of the power control unit is connected to the mains terminal, the input terminal of the power control unit is connected to the output terminal of the main control module, and the output terminal of the power control unit is connected to the input terminal of the device under test;
[0013] The device under test sends a feedback signal to the main control module through the communication module to feedback whether the device under test is working normally. The main control module sends a power on / off control signal to the power control unit according to the feedback signal. The power control unit sends a power on / off control signal to the device under test according to the power on / off control signal. The power on / off control signal is used to control the device under test to complete the power on / off test.
[0014] More specifically, the power control unit includes:
[0015] A first resistor, a second resistor, a first transistor, a first Schottky diode, a first switch relay, a second switch relay, an input interface, and an output interface;
[0016] The second end of the first resistor and the emitter of the first transistor are both connected to the output end of the step-down module;
[0017] The first end of the first resistor is connected to the output end of the main control module and the first end of the second resistor respectively, and the second end of the second resistor is connected to the base of the first transistor;
[0018] The collector of the first triode is connected to the second end of the first switch relay, the first end of the second switch relay, and the cathode of the first Schottky diode;
[0019] The anode of the first Schottky diode is respectively connected to the first end of the first switch relay and the eighth end of the second switch relay and is grounded;
[0020] The fourth end of the first switch relay, the third end of the second switch relay, and the sixth end of the second switch relay are all connected to the first pin of the input interface;
[0021] The fourth end of the second switch relay and the fifth end of the second switch relay are both connected to the first pin of the output interface;
[0022] The second pin of the input interface is connected to the second pin of the output interface;
[0023] The third pin of the input interface is connected to the third pin of the output interface;
[0024] The device under test sends a feedback signal to the main control module through the communication module to feedback whether the device under test is working normally. The main control module sends a power on-off control signal to the first end of the first resistor according to the feedback signal. The fourth end of the first switch relay and the fifth end of the second switch relay both send a power on / off control signal to the device under test through the output interface according to the power on / off control signal. The power on / off control signal is used to control the device under test to complete the power on / off test.
[0025] Furthermore, the power control module also includes a POE power control unit whose POE chip is IP808AR;
[0026] The device under test sends a feedback signal to the main control module through the communication module to feedback whether the device under test is working normally. The main control module sends a power on / off control signal to the POE chip in the POE power control unit according to the feedback signal. The POE chip sends a power on / off control signal to the device under test according to the power on / off control signal. The power on / off control signal is used to control the device under test to complete the power on / off test.
[0027] More specifically, the step-down module includes:
[0028] Composed of a first inductor, a second inductor, a third inductor, a fourth inductor, a fifth inductor, and a sixth inductor;
[0029] a first diode, a second diode, a third diode, a fourth diode, and a fifth diode;
[0030] a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor, a thirteenth capacitor, a fourteenth capacitor, a fifteenth capacitor, a sixteenth capacitor, a seventeenth capacitor, an eighteenth capacitor, a nineteenth capacitor, a twentieth capacitor, a twenty-first capacitor, a twenty-second capacitor, a twenty-third capacitor, a twenty-fourth capacitor, and a twenty-fifth capacitor;
[0031] a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor, a twelfth resistor, a thirteenth resistor, a fourteenth resistor, a fifteenth resistor, a sixteenth resistor, a seventeenth resistor, an eighteenth resistor, a nineteenth resistor, a twentieth resistor, a twenty-first resistor, a twenty-second resistor, a twenty-third resistor, and a twenty-fourth resistor;
[0032] A first step-down unit consisting of a power chip, a second Schottky diode, a second transistor, a first transformer, a first MOS tube, and a first optocoupler;
[0033] The first pin of the power chip is connected to the first end of the eleventh capacitor and is grounded;
[0034] The second pin of the power chip is connected to the first end of the seventh resistor;
[0035] The third pin of the power chip is respectively connected to the first end of the fourteenth capacitor and the fourth pin of the first optocoupler, the first pin of the first optocoupler is respectively connected to the first end of the eighteenth resistor and the first end of the seventeenth resistor, the second end of the seventeenth resistor is respectively connected to the first end of the twentieth resistor, the first end of the twenty-first resistor, and the first end of the seventeenth capacitor, the second end of the twenty-first resistor is connected to the first end of the sixth inductor, the second end of the eighteenth resistor is respectively connected to the third pin of the first optocoupler, the first end of the fifth diode, the first end of the fifteenth capacitor, and the first end of the sixteenth capacitor, the second end of the fifteenth capacitor is respectively connected to the second end of the nineteenth resistor, the second end of the twentieth resistor, the first end of the twenty-second resistor, the second end of the seventeenth capacitor, and the third end of the fifth diode and grounded, the first end of the nineteenth resistor is connected to the second end of the sixteenth capacitor, the second end of the fifth diode, the second pin of the first optocoupler, and the second end of the fourteenth capacitor are all grounded;
[0036] The fourth pin of the power chip is respectively connected to the first end of the sixteenth resistor and the first end of the fifteenth resistor, the second end of the sixteenth resistor is grounded, the second end of the fifteenth resistor is respectively connected to the first pin of the first transformer and the first end of the thirteenth capacitor, and the second end of the thirteenth capacitor is grounded;
[0037] The fifth pin of the power chip is respectively connected to the first end of the sixth resistor, the first end of the eighth capacitor, and the second end of the third resistor. The second end of the sixth resistor is connected to the second end of the eighth capacitor and is grounded. The first end of the third resistor is respectively connected to the first end of the seventh capacitor, the first end of the sixth capacitor, the first end of the fifth capacitor, the first end of the fourth capacitor, the first end of the third capacitor, the first end of the second capacitor, the first end of the first capacitor, the second end of the first inductor, the second end of the second inductor, the fourth end of the third inductor, the first end of the fourth resistor, the first end of the fifth resistor, the first end of the tenth capacitor, the first end of the eighth resistor, the first end of the ninth resistor, The fifth pin of the first transformer is connected to the sixth pin of the first transformer; the second end of the seventh capacitor is respectively connected to the second end of the sixth capacitor, the second end of the fifth capacitor, the second end of the fourth capacitor, the second end of the third capacitor, the second end of the second capacitor, and the second end of the first capacitor and grounded; the first end of the first inductor, the first end of the second inductor, the second end of the third inductor, and the cathode of the first diode are all connected to the mains terminal; the anode of the first diode is respectively connected to the first end of the third inductor, the first end of the fourth inductor, and the first end of the fifth inductor; the third end of the third inductor is respectively connected to the second end of the fourth inductor and the second end of the fifth inductor and grounded;
[0038] The sixth pin of the power chip is connected to the first end of the ninth capacitor, and the second end of the ninth capacitor is connected to the second end of the seventh resistor and is grounded;
[0039] The seventh pin of the power chip is respectively connected to the first end of the twelfth capacitor, the second end of the tenth resistor, and the first end of the twelfth resistor, the second end of the twelfth capacitor is grounded, the second end of the twelfth resistor is respectively connected to the first end of the thirteenth resistor, the first section of the fourteenth resistor, and the source of the first MOS tube, the second end of the thirteenth resistor is connected to the second end of the fourteenth resistor and is grounded, and the first end of the tenth resistor is connected to the second end of the eleventh capacitor and the ninth pin of the power chip;
[0040] The eighth pin of the power chip is connected to the emitter of the second triode, the base of the second triode is connected to the cathode of the second diode and the second end of the fourth resistor, the anode of the second diode is grounded, and the collector of the second triode is connected to the second end of the fifth resistor;
[0041] The tenth pin of the power chip is respectively connected to the cathode of the fourth diode and the first end of the eleventh resistor, the anode of the fourth diode and the second end of the eleventh resistor are both connected to the gate of the first MOS tube, the drain of the first MOS tube is respectively connected to the anode of the third diode, the third pin of the first transformer, and the fourth pin of the first transformer, and the cathode of the third diode is respectively connected to the second end of the ninth resistor, the second end of the eighth resistor, and the second end of the tenth capacitor;
[0042] The eleventh pin of the first transformer is respectively connected to the twelfth pin of the first transformer, the anode of the second Schottky diode, and the first end of the eighteenth capacitor; the second end of the eighteenth capacitor is respectively connected to the first end of the twenty-third resistor and the first end of the twenty-fourth resistor; the second end of the twenty-third resistor is respectively connected to the second end of the twenty-fourth resistor, the first end of the nineteenth capacitor, the cathode of the second Schottky diode, the first end of the twentieth capacitor, the first end of the twenty-first capacitor, the first end of the twenty-second capacitor, the first end of the twenty-third capacitor, the first end of the twenty-fourth capacitor, the first end of the twenty-fifth capacitor, and the first end of the sixth inductor; and the second end of the sixth inductor is connected to the power supply end of the main control module.
[0043] Furthermore, the step-down module also includes:
[0044] A twenty-sixth capacitor, a twenty-seventh capacitor, a twenty-eighth capacitor, a twenty-ninth capacitor, a thirtieth capacitor, a thirty-first capacitor, a thirty-second capacitor, a thirty-third capacitor, a thirty-fourth capacitor, a thirty-fifth capacitor, a thirty-sixth capacitor, a thirty-seventh capacitor, a thirty-eighth capacitor, a thirty-ninth capacitor, a fortieth capacitor, and a forty-first capacitor;
[0045] A twenty-fifth resistor, a twenty-sixth resistor, a twenty-seventh resistor, a twenty-eighth resistor, a twenty-ninth resistor, a thirtieth resistor, and a thirty-first resistor;
[0046] A second buck unit consisting of a power connector, a sixth diode, a buck chip, and a seventh inductor;
[0047] The first pin of the power connector is respectively connected to the cathode of the sixth diode, the first end of the twenty-sixth capacitor, the first end of the twenty-seventh capacitor, the first end of the twenty-eighth capacitor, the first end of the twenty-ninth capacitor, the first end of the thirtieth capacitor, the first end of the thirty-first capacitor, the first end of the thirty-second capacitor, the first end of the twenty-fifth resistor, and the third pin of the step-down chip; the second end of the thirtieth capacitor is respectively connected to the second end of the thirty-first capacitor and the second end of the thirty-second capacitor and grounded; the second end of the twenty-sixth resistor is connected to the second end of the thirty-third capacitor and grounded;
[0048] The second pin of the power connector is respectively connected to the anode of the sixth diode, the second end of the twenty-sixth capacitor, the second end of the twenty-seventh capacitor, the second end of the twenty-eighth capacitor, and the second end of the twenty-ninth capacitor and is grounded; the second end of the twenty-fifth resistor is respectively connected to the first end of the twenty-sixth resistor, the first end of the thirty-third capacitor, and the fifth pin of the step-down chip;
[0049] The first pin of the step-down chip is connected to the second end of the thirty-fourth capacitor and is grounded;
[0050] The fourth pin of the step-down chip is respectively connected to the first end of the thirty-fourth capacitor and the first end of the twenty-ninth resistor, the second end of the twenty-ninth resistor is respectively connected to the second end of the thirtieth resistor, the first end of the thirty-first resistor, and the second end of the thirty-sixth capacitor, and the second end of the thirty-first resistor is grounded;
[0051] The second pin of the step-down chip is respectively connected to the second end of the 35th capacitor, the first end of the 28th resistor, and the first end of the 7th inductor, the second end of the 28th resistor is connected to the first end of the 41st capacitor, and the second end of the 41st capacitor is grounded;
[0052] The second end of the seventh inductor is respectively connected to the first end of the 30th resistor, the first end of the 36th capacitor, the first end of the 37th capacitor, the first end of the 38th capacitor, the first end of the 39th capacitor, the first end of the 40th capacitor, the second end of the first resistor, and the emitter of the first transistor, and the second end of the 37th capacitor, the second end of the 38th capacitor, the second end of the 39th capacitor, and the second end of the 40th capacitor are all grounded;
[0053] The sixth pin of the buck chip is connected to the first end of the twenty-seventh resistor, and the second end of the twenty-seventh resistor is connected to the first end of the thirty-fifth capacitor.
[0054] Further, the communication module includes a Bluetooth unit, a wireless communication unit, and a wired communication unit;
[0055] The main control module is connected to the data transmission terminal of the device under test through a Bluetooth unit, a wireless communication unit or a wired communication unit.
[0056] More specifically, the Bluetooth unit includes:
[0057] Bluetooth transceiver chip, the 42nd capacitor, the 43rd capacitor, the 44th capacitor, the 45th capacitor, the 46th capacitor, the 32nd resistor, the 33rd resistor, the 34th resistor, the 35th resistor, the 36th resistor, the 37th resistor, the 38th resistor, the 39th resistor, the 40th resistor;
[0058] The first pin of the Bluetooth transceiver chip is grounded;
[0059] The second pin of the Bluetooth transceiver chip is respectively connected to the first end of the forty-fifth capacitor, the first end of the forty-fourth capacitor, the first end of the thirty-third resistor, the first end of the thirty-second resistor, the first end of the thirty-ninth resistor, the first end of the thirty-eighth resistor, the first end of the forty-third capacitor, and the first end of the forty-second capacitor, and the second end of the forty-second capacitor, the second end of the forty-third capacitor, the second end of the forty-fourth capacitor, and the second end of the forty-fifth capacitor are all grounded;
[0060] The fifth pin of the Bluetooth transceiver chip is respectively connected to the second end of the thirty-second resistor, the first end of the forty-sixth capacitor, and the output end of the main control module, and the second end of the forty-sixth capacitor is grounded;
[0061] The sixth pin of the Bluetooth transceiver chip is respectively connected to the second end of the thirty-third resistor and the first end of the thirty-fourth resistor, and the second end of the thirty-fourth resistor is grounded;
[0062] The fourteenth pin of the Bluetooth transceiver chip is connected to the first end of the thirty-seventh resistor, the second end of the thirty-seventh resistor is respectively connected to the first end of the fortieth resistor and the output end of the main control module, and the second end of the fortieth resistor is grounded;
[0063] The sixteenth pin of the Bluetooth transceiver chip is connected to the first end of the thirty-sixth resistor, and the second end of the thirty-sixth resistor is connected to the second end of the thirty-eighth resistor and the input end of the main control module respectively;
[0064] The seventeenth pin of the Bluetooth transceiver chip is connected to the first end of the thirty-fifth resistor, and the second end of the thirty-fifth resistor is respectively connected to the second end of the thirty-ninth resistor and the output end of the main control module.
[0065] Further, the wireless communication unit includes a wireless chip, a first radio frequency circuit, and a second radio frequency circuit;
[0066] The first data transmission end of the first radio frequency circuit is connected to the data transmission end of the device under test through an antenna;
[0067] The second data transmission end of the first radio frequency circuit is connected to the data transmission end of the main control module through the wireless chip;
[0068] The first data transmission end of the second radio frequency circuit is connected to the data transmission end of the device under test through an antenna;
[0069] The second data transmission end of the second radio frequency circuit is connected to the data end of the main control module through the wireless chip.
[0070] Further, the wired communication unit includes a switching chip, a physical layer interface chip and a network port connected in sequence;
[0071] The network port is connected to the data transmission terminal of the device under test;
[0072] The data transmission end of the switching chip is connected to the data transmission end of the main control module.
[0073] The above solution of the utility model has the following beneficial effects:
[0074] The utility model comprises a step-down module, a power control module, a main control module and a communication module; the device under test sends a feedback signal for feeding back whether the device under test is working normally to the main control module through the communication module, the main control module sends a power on / off control signal to the power control module according to the feedback signal, the power control module sends a power on / off control signal to the device under test according to the power on / off control signal, and the power on / off control signal is used to control the device under test to complete the power on / off test; compared with the prior art, the utility model communicates with the device under test through the communication module, detects and determines whether the device under test is working normally after being powered on, and thus continues or suspends the power on / off test, so as to achieve the performance detection of the device under test; it can also prevent the device under test from continuously sending the power on / off test signal when the device under test is not working normally, thereby affecting its service life.
[0075] Other beneficial effects of the present invention will be described in detail in the subsequent specific implementation sections. BRIEF DESCRIPTION OF THE DRAWINGS
[0076] Figure 1 It is a principle block diagram of an embodiment of the utility model;
[0077] Figure 2 This is a circuit diagram of a power control unit in an embodiment of the utility model;
[0078] Figure 3 This is a circuit schematic diagram of the first voltage reduction unit in the embodiment of the utility model;
[0079] Figure 4 This is a circuit schematic diagram of the second voltage-reducing unit in an embodiment of the utility model;
[0080] Figure 51 is a circuit schematic diagram of the Bluetooth unit in the embodiment of the utility model. DETAILED DESCRIPTION
[0081] In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, the following will be described in detail with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0082] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. In addition, the technical features involved in the different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.
[0083] like Figure 1 As shown, an embodiment of the utility model provides a device for controlling a power on / off test, comprising:
[0084] Step-down module, power control module, main control module, communication module;
[0085] The input end of the step-down module is connected to the mains end for receiving the 220V mains, and the output end of the step-down module is connected to the power end of the main control module and the power end of the power control module respectively for stepping down the 220V mains to supply power to the main control module and the power control module respectively;
[0086] The input end of the power control module is connected to the output end of the main control module for receiving a power on / off control signal, and the output end of the power control module is connected to the input end of the device under test for outputting a power on / off control signal for controlling the power on / off of the device under test;
[0087] The data transmission end of the main control module is connected to the data transmission end of the device under test through the communication module, and is used to receive a feedback signal for feeding back whether the device under test is working normally.
[0088] The working principle of the embodiment of the utility model is as follows:
[0089] The device under test sends a feedback signal to the main control module through the communication module to indicate whether the device under test is working normally. The main control module sends a power on / off control signal to the power control module based on the feedback signal. The power control module sends a power on / off control signal to the device under test based on the power on / off control signal. The device under test is controlled by the power on / off control signal to complete the power on / off test.
[0090] In the embodiment of the utility model, the device to be tested can be an ordinary wireless router or a wireless wall-mounted or ceiling-mounted AP running POE power supply; if the router and AP support Bluetooth module, it can also be detected whether the Bluetooth module of the device can work normally after the power on and off test.
[0091] Most preferably, the power control module includes a power control unit;
[0092] The power supply terminal of the power control unit is connected to the mains terminal, the input terminal of the power control unit is connected to the output terminal of the main control module, and the output terminal of the power control unit is connected to the input terminal of the device under test;
[0093] The device under test sends a feedback signal to the main control module through the communication module to feedback whether the device under test is working normally. The main control module sends a power on / off control signal to the power control unit according to the feedback signal. The power control unit sends a power on / off control signal to the device under test according to the power on / off control signal. The power on / off control signal is used to control the device under test to complete the power on / off test.
[0094] Most preferably, Figure 2 As shown, the power control unit includes a first resistor R1, a second resistor R2, a first transistor Q1, a first Schottky diode AD1, a first switch relay RL1, a second switch relay RL2, an input interface J1, and an output interface J2;
[0095] The second end of the first resistor R1 and the emitter of the first transistor Q1 are both connected to the output end of the buck module;
[0096] The first end of the first resistor R1 is connected to the output end of the main control module and the first end of the second resistor R2 respectively, and the second end of the second resistor R2 is connected to the base of the first transistor Q1;
[0097] The collector of the first transistor Q1 is connected to the second end of the first switch relay RL1, the first end of the second switch relay RL2, and the cathode of the first Schottky diode AD1;
[0098] An anode of the first Schottky diode AD1 is respectively connected to the first end of the first switch relay RL1 and the eighth end of the second switch relay RL2 and is grounded;
[0099] The fourth end of the first switch relay RL1, the third end of the second switch relay RL2, and the sixth end of the second switch relay RL2 are all connected to the first pin of the input interface J1;
[0100] The fourth end of the second switch relay RL2 and the fifth end of the second switch relay RL2 are both connected to the first pin of the output interface J2;
[0101] The second pin of the input interface J1 is connected to the second pin of the output interface J2;
[0102] The third pin of the input interface J1 is connected to the third pin of the output interface J2.
[0103] In the embodiment of the utility model, the first switch relay RL1 and the second switch relay RL2 receive the 5V working voltage output by the step-down module through the second end of the first resistor R1 and the emitter of the first transistor Q1, and are connected to the power supply of the device under test through the input interface J1. The device under test sends a feedback signal for feedback whether the device under test is working normally to the main control module through the communication module. The main control module sends a power on / off control signal relay for controlling the power on / off to the first end of the first resistor R1 through the GPIO interface according to the feedback signal. The power on / off control signal relay is a signal for controlling the power on / off of the device under test. The relay is connected to the device under test through the output interface J2, and sends a power on / off control signal to the device under test according to the power on / off control signal relay. The power on / off control signal is used to control the device under test to complete the power on / off test;
[0104] When the power on / off control signal relay is at a high level, the first switch relay RL1 and the second switch relay RL2 are turned on, which is equivalent to switching power on. The power control unit outputs a power-on control signal through the output interface J2 and provides power supply to control the power on of the device under test.
[0105] When the power on / off control signal relay is at a low level, the first switch relay RL1 and the second switch relay RL2 are turned off to shut down the power supply, and the power control unit outputs a shutdown control signal through the output interface J2 to control the device under test to shut down.
[0106] Most preferably, the power control module further comprises a POE power control unit whose POE chip is IP808AR;
[0107] In an embodiment of the utility model, when the device under test is a POE device, the device under test sends a feedback signal to the main control module through the communication module for feedback on whether the device under test is working normally. The main control module sends a power on / off control signal to the POE chip in the POE power control unit according to the feedback signal. The POE chip sends a power on / off control signal to the device under test according to the power on / off control signal. The power on / off control signal is used to control the device under test to complete the power on / off test.
[0108] When the power on / off control signal is at a high level, the POE power control unit outputs a power-on control signal through the output interface J2 to connect the POE power of the device under test and provides the POE power to control the POE device to start up;
[0109] When the power on / off control signal is at a low level, the POE power control unit outputs a shutdown control signal through the output interface J2 to control the POE device to shut down.
[0110] The POE chip IP808AR used in the POE power control unit in the embodiment of the utility model is an 8-port PSE (Power Sourcing Equipment) controller IC used in the POE (Power Over Ethernet) system. The chip integrates power supply, analog circuit and logic circuit into one chip, which can be used for mid-span and endpoint PSE applications. It is connected to the main control module through the I2C bus to realize power supply switch control and support global power management; IP808AR meets all requirements of IEEE 802.3AF-2003, such as multi-point resistance detection, PD classification, DC disconnection and mid-span fallback, and also meets all IEEE 802.3AT-2009 requirements, such as dual event classification and providing 36W per port.
[0111] Most preferably, Figure 3 As shown, the buck module includes:
[0112] A first inductor L1, a second inductor L2, a third inductor L3, a fourth inductor L4, a fifth inductor L5, and a sixth inductor L6;
[0113] A first diode D1, a second diode D2, a third diode D3, a fourth diode D4, and a fifth diode D5;
[0114] A first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a ninth capacitor C9, a tenth capacitor C10, an eleventh capacitor C11, a twelfth capacitor C12, a thirteenth capacitor C13, a fourteenth capacitor C14, a fifteenth capacitor C15, a sixteenth capacitor C16, a seventeenth capacitor C17, an eighteenth capacitor C18, a nineteenth capacitor C19, a twentieth capacitor C20, a twenty-first capacitor C21, a twenty-second capacitor C22, a twenty-third capacitor C23, a twenty-fourth capacitor C24, and a twenty-fifth capacitor C25;
[0115] a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14, a fifteenth resistor R15, a sixteenth resistor R16, a seventeenth resistor R17, an eighteenth resistor R18, a nineteenth resistor R19, a twentieth resistor R20, a twenty-first resistor R21, a twenty-second resistor R22, a twenty-third resistor R23, and a twenty-fourth resistor R24;
[0116] A first step-down unit consisting of a power chip of model MP3910, a second Schottky diode AD2, a second transistor Q2, a first transformer T1, a first MOS tube M1, and a first optocoupler OP1 is used to step down the 220V mains power to 12V;
[0117] The first pin of the power chip is connected to the first end of the eleventh capacitor C11 and is grounded;
[0118] The second pin of the power chip is connected to the first end of the seventh resistor R7;
[0119] The third pin of the power chip is respectively connected to the first end of the fourteenth capacitor C14 and the fourth pin of the first optocoupler OP1, the first pin of the first optocoupler OP1 is respectively connected to the first end of the eighteenth resistor R18 and the first end of the seventeenth resistor R17, the second end of the seventeenth resistor R17 is respectively connected to the first end of the twentieth resistor R20, the first end of the twenty-first resistor R21, and the first end of the seventeenth capacitor C17, the second end of the twenty-first resistor R21 is connected to the first end of the sixth inductor L6, the second end of the eighteenth resistor R18 is respectively connected to the third pin of the first optocoupler OP1, and the first end of the twentieth resistor R20 is respectively connected to the first end of the twentieth resistor R21. The first end of the fifth diode D5 is connected to the first end of the fifth capacitor C15, the first end of the fifteenth capacitor C15, and the first end of the sixteenth capacitor C16. The second end of the fifteenth capacitor C15 is respectively connected to the second end of the nineteenth resistor R19, the second end of the twentieth resistor R20, the first end of the twenty-second resistor R22, the second end of the seventeenth capacitor C17, and the third end of the fifth diode D5 and grounded. The first end of the nineteenth resistor R19 is connected to the second end of the sixteenth capacitor C16. The second end of the fifth diode D5, the second pin of the first optocoupler OP1, and the second end of the fourteenth capacitor C14 are all grounded.
[0120] The fourth pin of the power chip is respectively connected to the first end of the sixteenth resistor R16 and the first end of the fifteenth resistor R15, the second end of the sixteenth resistor R16 is grounded, the second end of the fifteenth resistor R15 is respectively connected to the first pin of the first transformer T1 and the first end of the thirteenth capacitor C13, the second end of the thirteenth capacitor C13 is grounded;
[0121] The fifth pin of the power chip is respectively connected to the first end of the sixth resistor R6, the first end of the eighth capacitor C8, and the second end of the third resistor R3. The second end of the sixth resistor R6 is connected to the second end of the eighth capacitor C8 and is grounded. The first end of the third resistor R3 is respectively connected to the first end of the seventh capacitor C7, the first end of the sixth capacitor C6, the first end of the fifth capacitor C5, the first end of the fourth capacitor C4, the first end of the third capacitor C3, the first end of the second capacitor C2, the first end of the first capacitor C1, the second end of the first inductor L1, the second end of the second inductor L2, the fourth end of the third inductor L3, the first end of the fourth resistor R4, the first end of the fifth resistor R5, the first end of the tenth capacitor C10, the first end of the eighth resistor R8, and the first end of the ninth resistor R9 , the fifth pin of the first transformer T1, and the sixth pin of the first transformer T1 are connected; the second end of the seventh capacitor C7 is respectively connected to the second end of the sixth capacitor C6, the second end of the fifth capacitor C5, the second end of the fourth capacitor C4, the second end of the third capacitor C3, the second end of the second capacitor C2, and the second end of the first capacitor C1 and grounded, the first end of the first inductor L1, the first end of the second inductor L2, the second end of the third inductor L3, and the cathode of the first diode D1 are all connected to the mains terminal, the anode of the first diode D1 is respectively connected to the first end of the third inductor L3, the first end of the fourth inductor L4, and the first end of the fifth inductor L5, the third end of the third inductor L3 is respectively connected to the second end of the fourth inductor L4 and the second end of the fifth inductor L5 and grounded;
[0122] The sixth pin of the power chip is connected to the first end of the ninth capacitor C9, and the second end of the ninth capacitor C9 is connected to the second end of the seventh resistor R7 and is grounded;
[0123] The seventh pin of the power chip is respectively connected to the first end of the twelfth capacitor C12, the second end of the tenth resistor R10, and the first end of the twelfth resistor R12, the second end of the twelfth capacitor C12 is grounded, the second end of the twelfth resistor R12 is respectively connected to the first end of the thirteenth resistor R13, the first section of the fourteenth resistor R14, and the source of the first MOS tube M1, the second end of the thirteenth resistor R13 is connected to the second end of the fourteenth resistor R14 and grounded, the first end of the tenth resistor R10 is connected to the second end of the eleventh capacitor C11 and the ninth pin of the power chip;
[0124] The eighth pin of the power chip is connected to the emitter of the second triode Q2, the base of the second triode Q2 is connected to the cathode of the second diode D2 and the second end of the fourth resistor R4, the anode of the second diode is grounded, and the collector of the second triode Q2 is connected to the second end of the fifth resistor R5;
[0125] The tenth pin of the power chip is respectively connected to the cathode of the fourth diode D4 and the first end of the eleventh resistor R11, the anode of the fourth diode D4 and the second end of the eleventh resistor R11 are both connected to the gate of the first MOS transistor M1, the drain of the first MOS transistor M1 is respectively connected to the anode of the third diode D3, the third pin of the first transformer T1, and the fourth pin of the first transformer T1, and the cathode of the third diode D3 is respectively connected to the second end of the ninth resistor R9, the second end of the eighth resistor R8, and the second end of the tenth capacitor C10;
[0126] The eleventh pin of the first transformer T1 is respectively connected to the twelfth pin of the first transformer T1, the anode of the second Schottky diode AD2, and the first end of the eighteenth capacitor C18, the second end of the eighteenth capacitor C18 is respectively connected to the first end of the twenty-third resistor R23 and the first end of the twenty-fourth resistor R24, the second end of the twenty-third resistor R23 is respectively connected to the second end of the twenty-fourth resistor R24, the first end of the nineteenth capacitor C19, the cathode of the second Schottky diode AD2, the first end of the twentieth capacitor C20, the first end of the twenty-first capacitor C21, the second The first end of the twelfth capacitor C22, the first end of the twenty-third capacitor C23, the first end of the twenty-fourth capacitor C24, the first end of the twenty-fifth capacitor C25, and the first end of the sixth inductor L6 are connected, the second end of the nineteenth capacitor C19 is respectively connected to the second end of the twentieth capacitor C20, the second end of the twenty-first capacitor C21, the second end of the twenty-second capacitor C22, the second end of the twenty-third capacitor C23, the second end of the twenty-fourth capacitor C24, and the second end of the twenty-fifth capacitor C25 and are grounded, and the second end of the sixth inductor L6 is connected to the power supply end of the main control module.
[0127] In an embodiment of the utility model, the first step-down unit is connected to the mains terminal through the first end of the first inductor L1 to access the power supply Vmain_IN signal, and outputs the stepped-down power supply through the second end of the sixth inductor L6 to power the main control module, wherein the first diode D1, the second diode D2, and the fifth diode D5 are all voltage-stabilizing diodes, the first capacitor C1, the twenty-fourth capacitor C24, and the twenty-fifth capacitor C25 are all electrolytic capacitors, and the third inductor L3 is a common-mode inductor.
[0128] Most preferably, Figure 5 As shown, the buck module also includes:
[0129] A twenty-sixth capacitor C26, a twenty-seventh capacitor C27, a twenty-eighth capacitor C28, a twenty-ninth capacitor C29, a thirtieth capacitor C30, a thirty-first capacitor C31, a thirty-second capacitor C32, a thirty-third capacitor C33, a thirty-fourth capacitor C34, a thirty-fifth capacitor C35, a thirty-sixth capacitor C36, a thirty-seventh capacitor C37, a thirty-eighth capacitor C38, a thirty-ninth capacitor C39, a fortieth capacitor C40, and a forty-first capacitor C41;
[0130] A twenty-fifth resistor R25, a twenty-sixth resistor R26, a twenty-seventh resistor R27, a twenty-eighth resistor R28, a twenty-ninth resistor R29, a thirtieth resistor R30, and a thirty-first resistor R31;
[0131] The second step-down unit composed of the power connector J3, the sixth diode D6, the step-down chip of model TSOT23-6, and the seventh inductor L7 is used to step down the 12V voltage to 5V;
[0132] The first pin of the power connector J3 is respectively connected to the cathode of the sixth diode D6, the first end of the twenty-sixth capacitor C26, the first end of the twenty-seventh capacitor C27, the first end of the twenty-eighth capacitor C28, the first end of the twenty-ninth capacitor C29, the first end of the thirtieth capacitor C30, the first end of the thirty-first capacitor C31, the first end of the thirty-second capacitor C32, the first end of the twenty-fifth resistor R25, and the third pin of the buck chip; the second end of the thirtieth capacitor C30 is respectively connected to the second end of the thirty-first capacitor C31 and the second end of the thirty-second capacitor C32 and grounded; the second end of the twenty-sixth resistor R26 is connected to the second end of the thirty-third capacitor C33 and grounded;
[0133] The second pin of the power connector J3 is respectively connected to the anode of the sixth diode D6, the second end of the twenty-sixth capacitor C26, the second end of the twenty-seventh capacitor C27, the second end of the twenty-eighth capacitor C28, and the second end of the twenty-ninth capacitor C29 and grounded, and the second end of the twenty-fifth resistor R25 is respectively connected to the first end of the twenty-sixth resistor R26, the first end of the thirty-third capacitor C33, and the fifth pin of the buck chip;
[0134] The first pin of the step-down chip is connected to the second end of the thirty-fourth capacitor C34 and is grounded;
[0135] The fourth pin of the step-down chip is respectively connected to the first end of the 34th capacitor C34 and the first end of the 29th resistor R29, the second end of the 29th resistor R29 is respectively connected to the second end of the 30th resistor R30, the first end of the 31st resistor R31, and the second end of the 36th capacitor C36, and the second end of the 31st resistor R31 is grounded;
[0136] The second pin of the step-down chip is respectively connected to the second end of the 35th capacitor C35, the first end of the 28th resistor R28, and the first end of the 7th inductor L7, the second end of the 28th resistor R28 is connected to the first end of the 41st capacitor C41, and the second end of the 41st capacitor C41 is grounded;
[0137] The second end of the seventh inductor L7 is respectively connected to the first end of the 30th resistor R30, the first end of the 36th capacitor C36, the first end of the 37th capacitor C37, the first end of the 38th capacitor C38, the first end of the 39th capacitor C39, the first end of the 40th capacitor C40, the second end of the first resistor R1, and the emitter of the first transistor Q1, and the second end of the 37th capacitor C37, the second end of the 38th capacitor C38, the second end of the 39th capacitor C39, and the second end of the 40th capacitor C40 are all grounded;
[0138] The sixth pin of the buck chip is connected to the first end of the twenty-seventh resistor R27, and the second end of the twenty-seventh resistor R27 is connected to the first end of the thirty-fifth capacitor C35.
[0139] In an embodiment of the utility model, the second step-down unit uses the power connector J3 to receive a 12V power supply, and after stepping down the 12V voltage, outputs a 5V power supply at the first end of the fortieth capacitor C40 to provide a working voltage to the first switch relay RL1 and the second switch relay RL2 in the power control unit, wherein the sixth diode D6 is a voltage regulator diode.
[0140] Most preferably, the communication module used to establish communication between the main control module and the device under test includes a Bluetooth unit, a wireless communication unit, and a wired communication unit;
[0141] The main control module is connected to the data transmission terminal of the device under test through a Bluetooth unit, a wireless communication unit or a wired communication unit.
[0142] In the embodiment of the utility model, when the Bluetooth unit is used for communication, the second step-down unit supplies power to the power control unit, and the main control module searches and scans the Bluetooth information of the device under test through the Bluetooth unit and connects, and judges whether the device under test is working normally according to the power-on status of the device under test fed back by the feedback signal, and after confirming that the device under test is in normal working state, the next step of power-off test is carried out, otherwise the power on and off test is suspended;
[0143] When the wired communication unit is used for communication, the main control module connects to the device under test through the wired communication unit and queries the parameter information of the device under test, and judges whether the device under test is working normally according to the power-on status of the device under test fed back by the feedback signal. After confirming that the device under test is in normal working state, the next step of power-off test is carried out, otherwise the power-on and power-off test is suspended;
[0144] When the wireless communication unit is used for communication, the main control module connects to the device under test through the wireless communication unit and queries the wireless related information, and judges whether the device under test is working normally according to the power-on status of the device under test fed back by the feedback signal. After confirming that the device under test is in normal working state, the next power-off test is carried out, otherwise the power on and off test is suspended.
[0145] Most preferably, Figure 5 As shown, the Bluetooth unit includes:
[0146] A Bluetooth transceiver chip with model number RSBRS02ABRI, a forty-second capacitor C42, a forty-third capacitor C43, a forty-fourth capacitor C44, a forty-fifth capacitor C45, a forty-sixth capacitor C46, a thirty-second resistor R32, a thirty-third resistor R33, a thirty-fourth resistor R34, a thirty-fifth resistor R35, a thirty-sixth resistor R36, a thirty-seventh resistor R37, a thirty-eighth resistor R38, a thirty-ninth resistor R39, and a fortieth resistor R40;
[0147] The first pin of the Bluetooth transceiver chip is grounded;
[0148] The second pin of the Bluetooth transceiver chip is respectively connected to the first end of the forty-fifth capacitor C45, the first end of the forty-fourth capacitor C44, the first end of the thirty-third resistor R33, the first end of the thirty-second resistor R32, the first end of the thirty-ninth resistor R39, the first end of the thirty-eighth resistor R38, the first end of the forty-third capacitor C43, and the first end of the forty-second capacitor C42, and the second end of the forty-second capacitor C42, the second end of the forty-third capacitor C43, the second end of the forty-fourth capacitor C44, and the second end of the forty-fifth capacitor C45 are all grounded;
[0149] The fifth pin of the Bluetooth transceiver chip is respectively connected to the second end of the 32nd resistor R32, the first end of the 46th capacitor C46, and the output end of the main control module, and the second end of the 46th capacitor C46 is grounded;
[0150] The sixth pin of the Bluetooth transceiver chip is respectively connected to the second end of the thirty-third resistor R33 and the first end of the thirty-fourth resistor R34, and the second end of the thirty-fourth resistor R34 is grounded;
[0151] The fourteenth pin of the Bluetooth transceiver chip is connected to the first end of the thirty-seventh resistor R37, the second end of the thirty-seventh resistor R37 is respectively connected to the first end of the fortieth resistor R40 and the output end of the main control module, and the second end of the fortieth resistor R40 is grounded;
[0152] The sixteenth pin of the Bluetooth transceiver chip is connected to the first end of the thirty-sixth resistor R36, and the second end of the thirty-sixth resistor R36 is respectively connected to the second end of the thirty-eighth resistor R38 and the input end of the main control module;
[0153] The seventeenth pin of the Bluetooth transceiver chip is connected to the first end of the thirty-fifth resistor R35, and the second end of the thirty-fifth resistor R35 is respectively connected to the second end of the thirty-ninth resistor R39 and the output end of the main control module.
[0154] In an embodiment of the utility model, the main control module searches and scans the Bluetooth information of the device under test through the Bluetooth transceiver chip, receives the control signal sent by the main control module through the second end of the thirty-sixth resistor R36 to establish a connection, receives the reset signal mode_reset through the sixth pin of the Bluetooth transceiver chip, connects to the GPIO0 interface of the main control module through the second end of the thirty-seventh resistor R37 to receive the clock signal, and sends the feedback signal to the main control module through the second end of the thirty-fifth resistor R35. It judges whether the device under test is working normally based on the power-on status of the device under test fed back by the feedback signal. After confirming that the device under test is in normal working state, the next power-off test is performed, otherwise the power on and off test is suspended.
[0155] Most preferably, the wireless communication unit includes a wireless chip, a first radio frequency circuit, and a second radio frequency circuit;
[0156] The first data transmission end of the first radio frequency circuit is connected to the data transmission end of the device under test through an antenna;
[0157] The second data transmission end of the first radio frequency circuit is connected to the data transmission end of the main control module through the wireless chip;
[0158] The first data transmission end of the second radio frequency circuit is connected to the data transmission end of the device under test through an antenna;
[0159] The second data transmission end of the second radio frequency circuit is connected to the data end of the main control module through the wireless chip.
[0160] In the embodiment of the utility model, the model of the wireless chip is MT7876DA, the first RF circuit is a 5G communication module composed of a 5G RF chip KCT8539HE and its peripheral circuits, and the 5G maximum rate can support 2882Mpbs, and the second RF circuit is a 2.4G communication module composed of a 2.4G RF chip KCT8247HE and its peripheral circuits, and the 2.4G maximum rate can support 689Mpbs. The working principle is as follows:
[0161] When the first RF circuit is used, the main control module searches and scans the 5G wireless name of the router / AP device to be tested through the 5G module and antenna, connects and queries wireless related information, receives feedback signals through the wireless interface, and judges whether the device to be tested is working normally according to the power-on status of the device to be tested fed back by the feedback signals. If the device to be tested is working normally, it will continue to enter the next power-off test, otherwise the power-on and power-off test will be suspended;
[0162] When the second RF circuit is used, the main control module searches and scans the 2.4G wireless name of the router / AP device to be tested through the 2.4G module, connects and queries wireless related information, receives feedback signals through the wireless interface, and judges whether the device to be tested is working normally based on the power-on status of the device to be tested according to the feedback signal. If the device to be tested is working normally, it will continue to enter the next power-off test, otherwise the power on and off test will be suspended.
[0163] Further, the wired communication unit includes a switching chip, a physical layer interface chip and a network port connected in sequence;
[0164] The network port is connected to the data transmission terminal of the device under test;
[0165] The data transmission end of the switching chip is connected to the data transmission end of the main control module.
[0166] In the embodiment of the utility model, the model of the switching chip is MT7531, the main control module is connected to the device under test through the network port, queries the relevant information of the device under test and receives the feedback signal, sends the feedback signal to the switching chip through the physical layer interface chip for exchange and then outputs it to the main control module, and judges whether the device under test is working normally according to the power-on status of the device under test fed back by the feedback signal. If the device under test is working normally, continue and enter the next power-off test, otherwise suspend the power on and off test.
[0167] In the embodiment of the utility model, the main control module is composed of the main control chip MT7981 and its peripheral circuits. The circuit structure of MT7981 and its peripheral circuits is the circuit connection method of the conventional main control in the field. The embodiment of the utility model will not be repeated in detail about its circuit connection structure.
[0168] The embodiment of the utility model includes a step-down module, a power control module, a main control module, and a communication module; the device under test sends a feedback signal to the main control module through the communication module for feedback on whether the device under test is working normally, and the main control module sends a power on / off control signal to the power control module according to the feedback signal, and the power control module sends a power on / off control signal to the device under test according to the power on / off control signal, and the power on / off control signal is used to control the device under test to complete the power on / off test; compared with the prior art, the embodiment of the utility model communicates with the device under test through the communication module, detects and determines whether the device under test is working normally after power-on, and thus continues or suspends the power on / off test to achieve performance detection of the device under test; it can also prevent the device under test from continuously sending the power on / off test signal when the device under test is not working normally, thereby affecting its service life.
[0169] The above are preferred implementations of the present utility model. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present utility model. These improvements and modifications should also be regarded as the protection scope of the present utility model.
Claims
1. A device for controlling power on / off testing, characterized in that: include: Step-down module, power control module, main control module, communication module; The input end of the step-down module is connected to the mains end, and the output end of the step-down module is connected to the power end of the main control module and the power end of the power control module respectively; The input end of the power control module is connected to the output end of the main control module, and the output end of the power control module is connected to the input end of the device under test; The data transmission end of the main control module is connected to the data transmission end of the device under test through the communication module; The device under test sends a feedback signal to the main control module through the communication module to feedback whether the device under test is working normally. The main control module sends a power on / off control signal to the power control module according to the feedback signal. The power control module sends a power on / off control signal to the device under test according to the power on / off control signal. The power on / off control signal is used to control the device under test to complete the power on / off test.
2. The device for controlling power on / off test according to claim 1, characterized in that: The power control module includes a power control unit; The power supply end of the power control unit is connected to the mains end, the input end of the power control unit is connected to the output end of the main control module, and the output end of the power control unit is connected to the input end of the device under test; The device under test sends a feedback signal to the main control module through the communication module to feedback whether the device under test is working normally. The main control module sends a power on / off control signal to the power control unit according to the feedback signal. The power control unit sends a power on / off control signal to the device under test according to the power on / off control signal. The power on / off control signal is used to control the device under test to complete the power on / off test.
3. The device for controlling power on / off test according to claim 2, characterized in that: The power control unit comprises: A first resistor, a second resistor, a first transistor, a first Schottky diode, a first switch relay, a second switch relay, an input interface, and an output interface; The second end of the first resistor and the emitter of the first transistor are both connected to the output end of the buck module; The first end of the first resistor is connected to the output end of the main control module and the first end of the second resistor respectively, and the second end of the second resistor is connected to the base of the first transistor; The collector of the first transistor is connected to the second end of the first switch relay, the first end of the second switch relay, and the cathode of the first Schottky diode; The anode of the first Schottky diode is respectively connected to the first end of the first switch relay and the eighth end of the second switch relay and is grounded; The fourth end of the first switch relay, the third end of the second switch relay, and the sixth end of the second switch relay are all connected to the first pin of the input interface; The fourth end of the second switch relay and the fifth end of the second switch relay are both connected to the first pin of the output interface; The second pin of the input interface is connected to the second pin of the output interface; The third pin of the input interface is connected to the third pin of the output interface; The device under test sends a feedback signal to the main control module through the communication module to provide feedback on whether the device under test is operating normally. The main control module sends a power on / off control signal to the first end of the first resistor according to the feedback signal. The fourth end of the first switch relay and the fifth end of the second switch relay both send a power on / off control signal to the device under test through the output interface according to the power on / off control signal. The power on / off control signal is used to control the device under test to complete the power on / off test.
4. The device for controlling power on / off test according to claim 3, characterized in that: The power control module also includes a POE power control unit whose POE chip is IP808AR; The device under test sends a feedback signal to the main control module through the communication module to feedback whether the device under test is working normally. The main control module sends a power on / off control signal to the POE chip in the POE power control unit according to the feedback signal. The POE chip sends a power on / off control signal to the device under test according to the power on / off control signal. The power on / off control signal is used to control the device under test to complete the power on / off test.
5. The device for controlling power on / off test according to claim 4, characterized in that: The step-down module comprises: Composed of a first inductor, a second inductor, a third inductor, a fourth inductor, a fifth inductor, and a sixth inductor; a first diode, a second diode, a third diode, a fourth diode, and a fifth diode; a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor, a thirteenth capacitor, a fourteenth capacitor, a fifteenth capacitor, a sixteenth capacitor, a seventeenth capacitor, an eighteenth capacitor, a nineteenth capacitor, a twentieth capacitor, a twenty-first capacitor, a twenty-second capacitor, a twenty-third capacitor, a twenty-fourth capacitor, and a twenty-fifth capacitor; a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor, a twelfth resistor, a thirteenth resistor, a fourteenth resistor, a fifteenth resistor, a sixteenth resistor, a seventeenth resistor, an eighteenth resistor, a nineteenth resistor, a twentieth resistor, a twenty-first resistor, a twenty-second resistor, a twenty-third resistor, and a twenty-fourth resistor; A first step-down unit consisting of a power chip, a second Schottky diode, a second transistor, a first transformer, a first MOS tube, and a first optocoupler; The first pin of the power chip is connected to the first end of the eleventh capacitor and is grounded; The second pin of the power chip is connected to the first end of the seventh resistor; The third pin of the power chip is respectively connected to the first end of the fourteenth capacitor and the fourth pin of the first optocoupler, the first pin of the first optocoupler is respectively connected to the first end of the eighteenth resistor and the first end of the seventeenth resistor, the second end of the seventeenth resistor is respectively connected to the first end of the twentieth resistor, the first end of the twenty-first resistor, and the first end of the seventeenth capacitor, the second end of the twenty-first resistor is connected to the first end of the sixth inductor, the second end of the eighteenth resistor is respectively connected to the third pin of the first optocoupler, the first end of the fifth diode, the first end of the fifteenth capacitor, and the first end of the sixteenth capacitor, the second end of the fifteenth capacitor is respectively connected to the second end of the nineteenth resistor, the second end of the twentieth resistor, the first end of the twenty-second resistor, the second end of the seventeenth capacitor, and the third end of the fifth diode and grounded, the first end of the nineteenth resistor is connected to the second end of the sixteenth capacitor, the second end of the fifth diode, the second pin of the first optocoupler, and the second end of the fourteenth capacitor are all grounded; The fourth pin of the power chip is respectively connected to the first end of the sixteenth resistor and the first end of the fifteenth resistor, the second end of the sixteenth resistor is grounded, the second end of the fifteenth resistor is respectively connected to the first pin of the first transformer and the first end of the thirteenth capacitor, and the second end of the thirteenth capacitor is grounded; The fifth pin of the power chip is respectively connected to the first end of the sixth resistor, the first end of the eighth capacitor, and the second end of the third resistor. The second end of the sixth resistor is connected to the second end of the eighth capacitor and is grounded. The first end of the third resistor is respectively connected to the first end of the seventh capacitor, the first end of the sixth capacitor, the first end of the fifth capacitor, the first end of the fourth capacitor, the first end of the third capacitor, the first end of the second capacitor, the first end of the first capacitor, the second end of the first inductor, the second end of the second inductor, the fourth end of the third inductor, the first end of the fourth resistor, the first end of the fifth resistor, the first end of the tenth capacitor, the first end of the eighth resistor, and the first end of the ninth resistor. , the fifth pin of the first transformer is connected to the sixth pin of the first transformer; the second end of the seventh capacitor is respectively connected to the second end of the sixth capacitor, the second end of the fifth capacitor, the second end of the fourth capacitor, the second end of the third capacitor, the second end of the second capacitor, and the second end of the first capacitor and grounded; the first end of the first inductor, the first end of the second inductor, the second end of the third inductor, and the cathode of the first diode are all connected to the mains terminal; the anode of the first diode is respectively connected to the first end of the third inductor, the first end of the fourth inductor, and the first end of the fifth inductor; the third end of the third inductor is respectively connected to the second end of the fourth inductor and the second end of the fifth inductor and grounded; The sixth pin of the power chip is connected to the first end of the ninth capacitor, and the second end of the ninth capacitor is connected to the second end of the seventh resistor and is grounded; The seventh pin of the power chip is respectively connected to the first end of the twelfth capacitor, the second end of the tenth resistor, and the first end of the twelfth resistor, the second end of the twelfth capacitor is grounded, the second end of the twelfth resistor is respectively connected to the first end of the thirteenth resistor, the first section of the fourteenth resistor, and the source of the first MOS tube, the second end of the thirteenth resistor is connected to the second end of the fourteenth resistor and grounded, and the first end of the tenth resistor is connected to the second end of the eleventh capacitor and the ninth pin of the power chip; The eighth pin of the power chip is connected to the emitter of the second transistor, the base of the second transistor is connected to the cathode of the second diode and the second end of the fourth resistor, the anode of the second diode is grounded, and the collector of the second transistor is connected to the second end of the fifth resistor; The tenth pin of the power chip is respectively connected to the cathode of the fourth diode and the first end of the eleventh resistor, the anode of the fourth diode and the second end of the eleventh resistor are both connected to the gate of the first MOS transistor, the drain of the first MOS transistor is respectively connected to the anode of the third diode, the third pin of the first transformer, and the fourth pin of the first transformer, and the cathode of the third diode is respectively connected to the second end of the ninth resistor, the second end of the eighth resistor, and the second end of the tenth capacitor; The eleventh pin of the first transformer is respectively connected to the twelfth pin of the first transformer, the anode of the second Schottky diode, and the first end of the eighteenth capacitor; the second end of the eighteenth capacitor is respectively connected to the first end of the twenty-third resistor and the first end of the twenty-fourth resistor; the second end of the twenty-third resistor is respectively connected to the second end of the twenty-fourth resistor, the first end of the nineteenth capacitor, the cathode of the second Schottky diode, the first end of the twentieth capacitor, the first end of the twenty-first capacitor, the first end of the twenty-second capacitor, the first end of the twenty-third capacitor, the first end of the twenty-fourth capacitor, the first end of the twenty-fifth capacitor, and the first end of the sixth inductor; and the second end of the sixth inductor is connected to the power supply end of the main control module.
6. The device for controlling power on / off test according to claim 5, characterized in that: The step-down module further includes: A twenty-sixth capacitor, a twenty-seventh capacitor, a twenty-eighth capacitor, a twenty-ninth capacitor, a thirtieth capacitor, a thirty-first capacitor, a thirty-second capacitor, a thirty-third capacitor, a thirty-fourth capacitor, a thirty-fifth capacitor, a thirty-sixth capacitor, a thirty-seventh capacitor, a thirty-eighth capacitor, a thirty-ninth capacitor, a fortieth capacitor, and a forty-first capacitor; A twenty-fifth resistor, a twenty-sixth resistor, a twenty-seventh resistor, a twenty-eighth resistor, a twenty-ninth resistor, a thirtieth resistor, and a thirty-first resistor; A second buck unit consisting of a power connector, a sixth diode, a buck chip, and a seventh inductor; The first pin of the power connector is respectively connected to the cathode of the sixth diode, the first end of the twenty-sixth capacitor, the first end of the twenty-seventh capacitor, the first end of the twenty-eighth capacitor, the first end of the twenty-ninth capacitor, the first end of the thirtieth capacitor, the first end of the thirty-first capacitor, the first end of the thirty-second capacitor, the first end of the twenty-fifth resistor, and the third pin of the buck chip; the second end of the thirtieth capacitor is respectively connected to the second end of the thirty-first capacitor and the second end of the thirty-second capacitor and grounded; the second end of the twenty-sixth resistor is connected to the second end of the thirty-third capacitor and grounded; The second pin of the power connector is respectively connected to the anode of the sixth diode, the second end of the twenty-sixth capacitor, the second end of the twenty-seventh capacitor, the second end of the twenty-eighth capacitor, and the second end of the twenty-ninth capacitor and is grounded; the second end of the twenty-fifth resistor is respectively connected to the first end of the twenty-sixth resistor, the first end of the thirty-third capacitor, and the fifth pin of the buck chip; The first pin of the step-down chip is connected to the second end of the thirty-fourth capacitor and is grounded; The fourth pin of the step-down chip is respectively connected to the first end of the thirty-fourth capacitor and the first end of the twenty-ninth resistor, the second end of the twenty-ninth resistor is respectively connected to the second end of the thirtieth resistor, the first end of the thirty-first resistor, and the second end of the thirty-sixth capacitor, and the second end of the thirty-first resistor is grounded; The second pin of the step-down chip is respectively connected to the second end of the thirty-fifth capacitor, the first end of the twenty-eighth resistor, and the first end of the seventh inductor, the second end of the twenty-eighth resistor is connected to the first end of the forty-first capacitor, and the second end of the forty-first capacitor is grounded; The second end of the seventh inductor is respectively connected to the first end of the 30th resistor, the first end of the 36th capacitor, the first end of the 37th capacitor, the first end of the 38th capacitor, the first end of the 39th capacitor, the first end of the 40th capacitor, the second end of the first resistor, and the emitter of the first transistor, and the second end of the 37th capacitor, the second end of the 38th capacitor, the second end of the 39th capacitor, and the second end of the 40th capacitor are all grounded; The sixth pin of the buck chip is connected to the first end of the twenty-seventh resistor, and the second end of the twenty-seventh resistor is connected to the first end of the thirty-fifth capacitor.
7. The device for controlling power on / off test according to claim 6, characterized in that: The communication module includes a Bluetooth unit, a wireless communication unit, and a wired communication unit; The main control module is connected to the data transmission end of the device under test through the Bluetooth unit or the wireless communication unit or the wired communication unit.
8. The device for controlling power on / off test according to claim 7, characterized in that: The Bluetooth unit comprises: Bluetooth transceiver chip, the 42nd capacitor, the 43rd capacitor, the 44th capacitor, the 45th capacitor, the 46th capacitor, the 32nd resistor, the 33rd resistor, the 34th resistor, the 35th resistor, the 36th resistor, the 37th resistor, the 38th resistor, the 39th resistor, the 40th resistor; The first pin of the Bluetooth transceiver chip is grounded; The second pin of the Bluetooth transceiver chip is respectively connected to the first end of the forty-fifth capacitor, the first end of the forty-fourth capacitor, the first end of the thirty-third resistor, the first end of the thirty-second resistor, the first end of the thirty-ninth resistor, the first end of the thirty-eighth resistor, the first end of the forty-third capacitor, and the first end of the forty-second capacitor, and the second end of the forty-second capacitor, the second end of the forty-third capacitor, the second end of the forty-fourth capacitor, and the second end of the forty-fifth capacitor are all grounded; The fifth pin of the Bluetooth transceiver chip is respectively connected to the second end of the thirty-second resistor, the first end of the forty-sixth capacitor, and the output end of the main control module, and the second end of the forty-sixth capacitor is grounded; The sixth pin of the Bluetooth transceiver chip is respectively connected to the second end of the thirty-third resistor and the first end of the thirty-fourth resistor, and the second end of the thirty-fourth resistor is grounded; The fourteenth pin of the Bluetooth transceiver chip is connected to the first end of the thirty-seventh resistor, the second end of the thirty-seventh resistor is respectively connected to the first end of the fortieth resistor and the output end of the main control module, and the second end of the fortieth resistor is grounded; The sixteenth pin of the Bluetooth transceiver chip is connected to the first end of the thirty-sixth resistor, and the second end of the thirty-sixth resistor is connected to the second end of the thirty-eighth resistor and the input end of the main control module respectively; The seventeenth pin of the Bluetooth transceiver chip is connected to the first end of the thirty-fifth resistor, and the second end of the thirty-fifth resistor is respectively connected to the second end of the thirty-ninth resistor and the output end of the main control module.
9. The device for controlling power on / off test according to claim 8, characterized in that: The wireless communication unit includes a wireless chip, a first radio frequency circuit, and a second radio frequency circuit; The first data transmission end of the first radio frequency circuit is connected to the data transmission end of the device under test through an antenna; The second data transmission end of the first radio frequency circuit is connected to the data transmission end of the main control module through the wireless chip; The first data transmission end of the second radio frequency circuit is connected to the data transmission end of the device under test through an antenna; The second data transmission end of the second radio frequency circuit is connected to the data end of the main control module through the wireless chip.
10. The device for controlling power on / off test according to claim 9, characterized in that: The wired communication unit includes a switching chip, a physical layer interface chip and a network port connected in sequence; The network port is connected to the data transmission terminal of the device under test; The data transmission end of the switching chip is connected to the data transmission end of the main control module.