Test fixture applied to UPS (Uninterrupted Power Supply) interface

Abstract

The utility model relates to the technical field of UPS (Uninterrupted Power Supply) interface test, in particular to a test fixture applied to a UPS interface. The test fixture comprises an interface assembly and a black box, wherein the interface assembly is connected to the UPS power interface, the UPS power line and the UPS signal line; the interface assembly comprises a power plug used for being connected with the UPS power interface and at least one signal line plug. An MCU (Microprogrammed Control Unit) and a plurality of control switches which are in electric signal connection are integrated in the black box, each control switch corresponds to one UPS signal line, and each control switch is connected with GND (Ground). According to the utility model, automatic detection of the UPS power supply interface function can be rapidly and efficiently carried out. Repeated plugging and switching of detection ports and modes in a production test are avoided, production cost increase caused by increase of test equipment is reduced, production efficiency is improved, and test time is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to UPS power supply interface test technical field, specifically a test fixture for UPS power supply interface. BACKGROUND

[0002] The general power port designed on the optical communication terminal product is DC JACK, and the current customer product considers that the network product can continue to work normally after sudden power failure in some special scenarios, and adds the UPS uninterrupted power supply interface. The UPS interface is different from the DC JACK, has multiple pairs of signal lines, and needs to check the functional integrity of the signal lines in addition to normal power supply in the production process. Currently, a test mode of plugging in one by one is usually adopted, and the efficiency is low and the UPS power supply interface is easy to be damaged. UTILITY MODEL CONTENT

[0003] The utility model provides a test fixture for UPS power supply interface to solve the technical problem of low test efficiency of the UPS power supply interface in view of the technical problems in the prior art.

[0004] The technical scheme for solving the above technical problem is as follows:

[0005] A test fixture for UPS power supply interface is provided, which comprises an interface assembly connected to the UPS power supply interface, UPS power supply lines and UPS signal lines, and a black box.

[0006] The interface assembly comprises a power plug and at least one signal line plug for connecting the UPS power supply interface.

[0007] The black box is integrated with an MCU and a plurality of control switches connected with electrical signals, each control switch corresponds to one UPS signal line, and each control switch is connected with GND.

[0008] The MCU is used to control the closing state of the control switches to simulate different states of the UPS.

[0009] The MCU is preset to switch gears at a certain time, and the closing state of the control switches is switched in different time intervals through program setting to simulate short-circuiting of each UPS signal line to GND.

[0010] Further, the black box further comprises a display module for displaying the state of the control switches and the state information of the UPS signal lines.

[0011] Further, the display module comprises an LED indicator or / and a liquid crystal display screen for displaying the connection state of the UPS signal lines and GND.

[0012] Further, the MCU further comprises a communication module for remote control, for receiving remote instructions to change test mode and gear switching time.

[0013] Further, the communication module adopts wireless communication technology, including Wi-Fi or Bluetooth module, for realizing remote control and monitoring.

[0014] Further, the black box comprises a power module for providing stable power supply for the MCU and the control switch.

[0015] Further, the control switch is a relay switch or an electronic switch for quickly responding to the control signal of the MCU.

[0016] The utility model discloses the beneficial effect is:

[0017] The utility model discloses can carry out the UPS power supply interface function's automation detection quickly and efficiently.Avoid repeatedly plugging and switching detection port and mode in production test, reduce the production cost growth that increases test equipment brings simultaneously, promote production efficiency, save test time. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is system architecture diagram of the utility model discloses;

[0019] Figure 2 It is principle schematic drawing of the utility model discloses. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following combines the drawings and embodiment, and the utility model is further detailed. The example of the embodiment is shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model. In addition, it should be understood that the specific embodiments described herein are only used to explain the utility model, and cannot be used to limit the utility model.

[0021] In the description of the utility model, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, or electrical connection or can communicate with each other, can be directly connected, or indirectly connected through intermediate medium, can be the communication between two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] In the utility model, unless another explicit provision and limitation, first feature is "on" or "under" second feature can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them. Moreover, first feature "on", "above" and "on" second feature includes that first feature is directly above and obliquely above second feature, or only indicates that first feature is higher than second feature in horizontal height. First feature "under", "below" and "under" second feature includes that first feature is directly below and obliquely below second feature, or only indicates that first feature is less than second feature in horizontal height.

[0023] As Figure 1 And Figure 2 The utility model provides the following preferred embodiments as shown in the description:

[0024] Embodiment one

[0025] In order to solve the problem of UPS interface function automatic test in production process, the design of test fixture is further optimized in this embodiment, so that it can simulate the alarm condition of different UPS states through the MCU controlled multiple switches. In this embodiment, the test fixture includes an interface component connected with the UPS interface, which is composed of a power plug and at least one signal line plug, used for connecting the UPS power line and the UPS signal line. The signal line is connected with the MCU electrical signal inside a black box, and the MCU controls multiple control switches inside the black box, which are respectively connected with each signal line of the UPS.

[0026] Further, the MCU controls the closing state of each control switch through the preset timing shift gear. In each gear, the MCU short-circuits the UPS signal line and GND according to the time interval set by the program, to simulate different battery states of the UPS, so as to realize comprehensive detection of the UPS interface function. It should be understood that through this design, the test of all signal line functions can be completed in a short time, reducing the test time and labor cost.

[0027] Through the design of this embodiment, the test fixture can realize automatic switching in production test, greatly improving the efficiency and accuracy of the test, and reducing the risk of errors and damage to the UPS interface caused by manual operation. And the flexible control of MCU ensures the accuracy of the test, thereby effectively improving the quality control level of the product.

[0028] Embodiment two

[0029] To address the real-time monitoring of UPS signal line states during testing, the embodiment further optimizes the design of the black box by integrating a display module for real-time display of control switch states and UPS signal line state information. In this embodiment, the black box, in addition to the built-in MCU and control switch, is configured with a display module that can display the connection status of each UPS signal line in real time under the control of the MCU.

[0030] Further, the display module can be configured as an LCD display screen or a series of LED indicator lights. It should be understood that the LCD display screen can present the status of each signal line in a more detailed manner, including the working state of the switch, whether the signal line is properly connected, and other information; while the LED indicator lights can visually display the status of the signal line through different colors or flashing frequencies, such as red for disconnection and green for normal connection. This design allows the operator to intuitively understand the working status of each signal line during testing, thereby promptly identifying and eliminating potential problems.

[0031] Through the design of this embodiment, the test fixture not only has the function of automatic testing, but also increases the ability of real-time monitoring, which helps to improve the accuracy and operability of testing. This real-time feedback mechanism helps to ensure the reliability of test results in the production process.

[0032] Embodiment Three

[0033] To address the need for intuitive display of UPS signal line and GND connection status, the embodiment further optimizes the design of the display module by using LED indicator lights or LCD display screens to visually display the connection status between UPS signal lines and GND. In this embodiment, the display module in the black box can monitor and display the connection status of each UPS signal line and GND in real time through the signal processing function of the MCU.

[0034] Further, the display module can be configured in different types of display modes, such as displaying green when the UPS signal line is properly connected to GND, and displaying red otherwise. The LCD display screen can display detailed information such as the current signal line number, switch state, etc. It should be understood that this display mode can help the operator quickly identify abnormal connection status, so that corrective measures can be taken in time during production testing.

[0035] Through the design of this embodiment, the test fixture not only can realize automatic detection of the UPS interface, but also provides real-time connection status feedback, further improving the effectiveness of testing. This real-time display function facilitates quick problem identification and effective quality control.

[0036] Embodiment Four

[0037] To address the need for remote control of the test fixture, the design of the MCU is further optimized in this embodiment by adding a communication module for remote control, allowing the test mode and gear switching time to be adjusted via remote instructions. In this embodiment, in addition to controlling the connection state of the UPS signal line, the MCU also has a built-in communication module for receiving instructions from a remote control terminal.

[0038] Further, the communication module can support multiple communication methods such as Wi-Fi or Bluetooth for flexible application in different test environments. It should be understood that through the remote control function, the operator can complete the test mode switching and gear time setting without on-site operation, thereby improving the flexibility and efficiency of the test. The communication module can also feedback test results to the remote terminal for data recording and analysis.

[0039] Through the design of this embodiment, the test fixture can be remotely controlled, enhancing its ability to adapt to different test scenarios. In particular, in large-scale production testing, this function can significantly reduce the complexity and workload of on-site operations, thereby improving overall production efficiency.

[0040] Embodiment Five

[0041] To address the need for remote monitoring and control, the design of the communication module is further optimized in this embodiment by adopting wireless communication technology such as a Wi-Fi or Bluetooth module, allowing the test fixture to be remotely controlled and monitored. In this embodiment, the communication module inside the black box is electrically connected to the MCU for receiving remote instructions and real-time feedback of test data from the UPS signal line to the remote control terminal.

[0042] Further, the Wi-Fi module allows the test fixture to access the local area network in the production environment, enabling centralized control of the test fixture; the Bluetooth module is suitable for short-range, low-power application scenarios. It should be understood that the adoption of wireless communication technology allows the operator to monitor the test process, adjust the test strategy, and even optimize the test process through real-time data analysis on the remote terminal.

[0043] Through the design of this embodiment, the test fixture not only has basic automated testing functions but also integrates modern wireless communication technology, further improving the convenience of operation and flexibility of testing. In a highly automated production line, the remote control function provides technical support for centralized management and optimization of the production testing process.

[0044] Embodiment Six

[0045] In order to solve the stable power supply problem of the test fixture, the design of the black box is further optimized, and a power module is added to provide stable power supply for the MCU and the control switch. In this embodiment, the power module is electrically connected with the MCU and the control switch inside the black box, which ensures the continuous and stable operation of the whole system.

[0046] Further, the power module can be powered by a battery or an external DC power supply. It should be understood that the use of a stable power module can effectively avoid the problem of unstable testing caused by power fluctuations during testing, especially during long-term continuous testing. Stable power supply ensures that the test fixture can work reliably in various complex production environments.

[0047] Through the design of this embodiment, the running stability of the test fixture is further guaranteed, and the test interruption or data distortion caused by power supply problems is avoided, thereby improving the accuracy of the test and the reliability of the equipment. This provides a basic guarantee for the stable control of product quality.

[0048] Embodiment seven

[0049] In order to solve the demand of fast response MCU control signal, the design of the control switch is further optimized, and a relay switch or an electronic switch is adopted to realize the fast switching control of the UPS signal line. In this embodiment, the control switch is electrically connected with the MCU, and is used to realize the fast connection or disconnection between the UPS signal line and the GND according to the control signal of the MCU.

[0050] Further, the relay switch is suitable for high-voltage and large-current application scenarios, while the electronic switch is suitable for occasions requiring fast switching and low power consumption. It can be understood that the electronic switch is more suitable for the selection of this embodiment. It should be understood that the selection of the appropriate control switch type can ensure that the switching response time of the UPS signal line is controlled under different test conditions, thereby meeting the requirements of high-speed testing and avoiding test errors caused by switching hysteresis.

[0051] Through the design of this embodiment, the test fixture can realize efficient and fast switching control of the UPS signal line in complex test environment, further improving the test efficiency. It ensures that the test fixture can perform well in different application scenarios and meets various production testing requirements.

[0052] The beneficial effects of the utility model are embodied in the above-mentioned preferred embodiments of the utility model, and do not limit the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A test fixture applied to an interface of an UPS power supply, characterized in that, The test fixture comprises an interface assembly connected to the UPS interface, UPS power line and UPS signal line, and a black box; The interface assembly comprises a power plug and at least one signal line plug for connecting the UPS interface; The black box is integrated with an MCU and a plurality of control switches connected by electrical signals, each of the control switches corresponding to one of the UPS signal lines, and each of the control switches being connected to GND; The MCU is used to control the closing state of the control switches to simulate different states of the UPS; The MCU is preset to switch gears at a certain time interval, and the closing state of the control switches is switched by program at different time intervals to simulate short-circuiting of each of the UPS signal lines to GND.

2. The test fixture for UPS power interface as claimed in claim 1, wherein, The black box further comprises a display module for displaying the state of the control switches and the state information of the UPS signal lines.

3. The test fixture for UPS power interface as claimed in claim 2, wherein, The display module comprises LED indicator lights or / and a liquid crystal display screen for displaying the connection state of the UPS signal lines and GND.

4. The test fixture for UPS power supply interface as claimed in claim 1, wherein, The MCU further comprises a communication module for remote control, for receiving remote instructions to change the test mode and gear switching time.

5. The test fixture for UPS power interface as claimed in claim 4, wherein, The communication module adopts wireless communication technology, including a Wi-Fi or Bluetooth module, for realizing remote control and monitoring.

6. The test fixture for UPS power supply interface as claimed in claim 1, wherein, The black box comprises a power module for providing stable power supply for the MCU and the control switches.

7. The test fixture for UPS power supply interface as claimed in claim 1, wherein, The control switches are relay switches or electronic switches for fast response to the control signals of the MCU.

Images