Portable power supply detector
Through the combination of the microcontroller control module of the portable power detector and the relay module, real-time detection and accuracy display of multiple power supplies are achieved, and the problems of detection error risks, complex operation and large equipment size in the existing technology are solved, providing simple , fast and accurate detection methods, and adapt to a variety of environments.
Patent Information
- Application Number
- CN202221300307.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2022-05-27
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2032-05-27
Smart Images
Figure CN222299760U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of electronic detection, and in particular relates to a portable power supply detector. Background Art
[0002] At present, the existing technical solution for power supply detection is to directly use a multimeter to touch the connector jack to detect the voltage through the test leads; the existing technical solution for power supply detection is to use a band switch to realize the detection and control of multiple power supplies, and use a digital voltmeter to realize voltage detection; the technical solution is to use an industrial computer to control the voltage acquisition board and realize the detection and control of multiple power supplies through software programming.
[0003] The power supply test uses a multimeter to detect directly, but it requires familiarity with the product interface definition, has high professional and technical requirements for the tester, and there is a risk of detection errors; using a mechanical band switch to control the detection of multiple power supplies has a complex structure, high operating requirements, and the detection equipment is large in size; using an industrial computer to control the voltage acquisition board, the software programming development is difficult and expensive. It is a laboratory power supply detection equipment with complete functions, but it is large in size, not easy to carry, and has high requirements for environmental adaptability.
[0004] Therefore, a portable power supply detector with simple operation is in urgent need of being proposed. Utility Model Content
[0005] In order to solve the defects in the prior art, the utility model provides a portable power supply detector.
[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:
[0007] The utility model provides a portable power supply detector, comprising a case, a digital voltmeter, a liquid crystal display, a switch button, a single-chip control module, a bracket, a relay module, a decoding board and a detection hole, wherein the case comprises a case cover and a case body, the case cover is sealed and covered on the case opening of the case body, the digital voltmeter is installed in the case cover and is located at a first observation port, the liquid crystal display is installed in the case cover and is located in a second observation port of the case cover, the single-chip control module is installed in the case cover and its output end is also directly electrically connected to the input end of the liquid crystal display, the switch button and the detection hole are installed on the case cover, the bracket and the decoding board are installed in the case body, and the relay module is installed on the bracket.
[0008] As a preferred technical solution of the utility model, the output end of the single-chip control module is electrically connected to the input end of the decoding board, the output end of the decoding board is electrically connected to the input end of the relay module, and the output end of the relay module is electrically connected to the input end of the digital voltmeter.
[0009] As a preferred technical solution of the utility model, a buzzer is further provided, the input end of the buzzer is electrically connected to the output end of the chip control module, and is used to emit a corresponding sound category according to the instruction.
[0010] As a preferred technical solution of the utility model, the sound categories include normal operation instruction sound, incorrect operation instruction sound, and alarm sound.
[0011] As a preferred technical solution of the present utility model, the bracket includes a first bracket and a second bracket, the first bracket and the second bracket are respectively installed on two opposite side walls of the box body, a first installation cavity is formed between the first bracket and the side wall of the box body, a second installation cavity is formed between the second bracket and the side wall of the box body, and a third installation cavity for accommodating a liquid crystal display is formed between the panels opposite to the first bracket and the second bracket, and the relay module is installed in the first installation cavity and the second installation cavity.
[0012] As a preferred technical solution of the utility model, an adapter module is also provided, the input end of the adapter module is electrically connected to the output end of the single-chip control module, and the adapter module performs modulator voltage matching adjustment through the modulator voltage detection port.
[0013] Compared with the prior art, it has the following beneficial effects:
[0014] The utility model uses a single-chip control module to control a relay module to realize detection and control of multiple power supplies. The voltage output by the power supply assembly can be displayed in real time on a digital voltmeter terminal, and a liquid crystal display simultaneously displays the voltage accuracy range of the power supply assembly, which is convenient for users to judge the performance of the power supply assembly. In addition, the present invention also uses a modulator voltage detection port, in conjunction with a multimeter, to realize the need to perform modulator voltage matching adjustment when replacing a power supply assembly without powering on, thereby improving the working efficiency of the external field modulator voltage matching adjustment.
[0015] The utility model can be used for product inspection and maintenance within the factory, and can also be used for in-situ and out-of-situ inspection of power supply components in the field; it has good adaptability to the field environment, a friendly human-computer interaction interface, easy operation, low requirements for inspection personnel, and a modular design that makes the device small in size and easy to carry. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural schematic diagram of the outer surface of a box cover in a portable power supply detector of the utility model;
[0017] Figure 2 This is a schematic diagram of the structure inside the box cover of a portable power supply detector of the utility model;
[0018] Figure 3This is a schematic diagram of the structure inside a box of a portable power supply detector of the utility model;
[0019] Figure 4 The utility model discloses a circuit principle diagram of a portable power source detector. DETAILED DESCRIPTION
[0020] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0021] In the description of the present invention, it should be understood that the terms "left" and "right" indicate directions or positional relationships based on the drawings in the specification. Figure 1 The orientation or positional relationship shown is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example
[0023] In order to achieve the purpose of the utility model, Figures 1 to 4 As shown, in this embodiment, a portable power supply detector is provided, including a case 1, a digital voltmeter 2, a liquid crystal display 3, a switch button 4, a single-chip control module 5, a bracket 6, a relay module 7, a decoder board 8 and a detection hole. The case 1 includes a case cover 11 and a case body 12, the case cover 11 is sealed and covered on the case opening of the case body 12, the digital voltmeter 2 is installed in the case cover 11 and is located at the first observation port, the liquid crystal display 3 is installed in the case cover 11 and is located in the second observation port of the case cover 11, the single-chip control module 5 is installed in the case cover 11 and its output end is also directly electrically connected to the input end of the liquid crystal display 3, the switch button 4 and the detection hole 9 are installed on the case cover, the bracket 6 and the decoder board 8 are installed in the case body 12, and the relay module 7 is installed on the bracket. The output end of the single-chip control module 5 is electrically connected to the input end of the decoder board 8, the output end of the decoder board 8 is electrically connected to the input end of the relay module 7, and the output end of the relay module 7 is electrically connected to the input end of the digital voltmeter 2.
[0024] Specifically, a buzzer is also provided, the input end of the buzzer is electrically connected to the output end of the chip control module, and is used to emit corresponding sound categories according to the instructions. The sound categories include normal operation instruction sound, wrong operation instruction sound, and alarm sound.
[0025] Specifically, the bracket 6 includes a first bracket and a second bracket, and the first bracket and the second bracket are respectively installed on two opposite side walls of the box body, a first installation cavity is formed between the first bracket and the side wall of the box body, a second installation cavity is formed between the second bracket and the side wall of the box body, and a third installation cavity for accommodating a liquid crystal display is formed between the panels opposite to the first bracket and the second bracket, and the relay module is installed in the first installation cavity and the second installation cavity.
[0026] An adapter module is also provided, the input end of the adapter module is electrically connected to the output end of the single-chip control module, and the adapter module performs modulator voltage matching adjustment through the modulator voltage detection port.
[0027] The working principle of this embodiment is further described below:
[0028] like Figure 4As shown, in this embodiment, the operator issues an instruction, the microcontroller receives the instruction, controls the relay module through the decoder board, and the signal of the product under test is input to the digital voltmeter through the relay, and the LCD displays the technical standard of the signal synchronously. When the key is pressed to input the instruction, the microcontroller controls the buzzer to sound, prompting the operator to recognize the instruction. The operator can quickly and easily judge the quality of the product under test by comparing the information of the digital voltmeter and the LCD. Among them, in this embodiment, the microcontroller development board uses the BST-M51 development board, the adapter module uses two 8-way optocoupler isolation relay modules (supporting high / low level triggering), the LCD uses the 1602A standard module, the power adapter uses the switching power adapter, the decoder board is a self-developed PCB board mainly composed of two 74LS138 chips cascaded; the test module uses the MB4104B four-and-a-half-digit digital voltmeter to ensure the test accuracy; the chassis uses the F36 standard cast aluminum box, which has a waterproof rubber strip seal, and the shell is strong, impact-resistant and corrosion-resistant. Each module is fastened inside the chassis by a self-made metal bracket, with a reasonable layout and compact structure. The components on the outer surface of the equipment box cover are designed to be flat to the maximum extent, and the exposed components on the box cover do not exceed 5mm. The box body only retains a transfer socket, fuse holder and grounding support on one side, and there are no components protruding on the other three sides, and the overall appearance is simple. The cable adopts standard electrification construction, which meets the technical requirements of SJ 20385A-2008 military electronic equipment electrical assembly technology. The equipment components are all treated with "three protections", and the brackets and fasteners are made of stainless steel to increase the adaptability to the field environment. The selection of shelf products shortens the development cycle, has reliable performance, minimizes the volume to the maximum extent, and is easy to carry. The modular design is also easy to repair, with the advantages of intuitive display, simple operation and low cost.
[0029] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A portable power supply detector, characterized in that: The invention comprises a case (1), a digital voltmeter (2), a liquid crystal display (3), a switch button (4), a single-chip control module (5), a bracket (6), a relay module (7), a decoding board (8) and a detection hole (9). The case (1) comprises a case cover (11) and a case body (12). The case cover (11) is sealed and covers the case opening of the case body (12). The digital voltmeter (2) is installed in the case cover (11) and is located at a first observation port. The liquid crystal display (3) is installed on the case cover (11) and is located in a second observation port of the case cover. The single-chip control module (5) is installed in the case cover (11) and its output end is also directly electrically connected to the input end of the liquid crystal display (3). The switch button (4) and the detection hole (9) are installed on the case cover (11). The bracket (6) and the decoding board (8) are installed in the case body (12). The relay module (7) is installed on the bracket.
2. The portable power supply detector according to claim 1, characterized in that: The output end of the single-chip control module (5) is electrically connected to the input end of the decoding board (8), the output end of the decoding board (8) is electrically connected to the input end of the relay module (7), and the output end of the relay module (7) is electrically connected to the input end of the digital voltmeter (2).
3. The portable power supply detector according to claim 1, characterized in that: A buzzer is also provided, the input end of the buzzer is electrically connected to the output end of the chip control module, and is used to emit a corresponding sound category according to the instruction.
4. The portable power source detector according to claim 3, characterized in that: The sound categories include normal operation instruction sound, incorrect operation instruction sound, and alarm sound.
5. The portable power source detector according to claim 1, characterized in that: The bracket (6) comprises a first bracket and a second bracket, the first bracket and the second bracket are respectively mounted on two opposite side walls of the box body, a first mounting cavity is formed between the first bracket and the side wall of the box body, a second mounting cavity is formed between the second bracket and the side wall of the box body, a third mounting cavity for accommodating a liquid crystal display (3) is formed between panels opposite to the first bracket and the second bracket, and the relay module (7) is mounted in the first mounting cavity and the second mounting cavity.
6. The portable power source detector according to claim 1, characterized in that: An adapter module is also provided, the input end of the adapter module is electrically connected to the output end of the single-chip control module, and the adapter module performs modulator voltage matching adjustment through the modulator voltage detection port.