Intelligent screen display portable electric soldering iron with multimeter function
By designing a smart screen display portable soldering iron with integrated multimeter function, the existing soldering iron equipment is solved, the problem of large size, poor mobility and low operating efficiency is achieved, and the device is portable, fast response and versatility is improved. Efficiency and convenience of welding and circuit testing.
Patent Information
- Application Number
- CN202420938811.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-04-30
AI Technical Summary
The existing soldering iron equipment is huge in size, has slow response to heating and temperature regulation, and the mobility of the equipment is limited, making it inconvenient to mobile welding. It also needs to be carried and used separately from other measuring equipment, which reduces operating efficiency.
Design a portable electric soldering iron with multimeter function, integrating electric soldering iron and multimeter, powered by lithium battery, including display screen, control motherboard, MUC control chip, soldering iron handle and measuring pen tip, and voltage stabilization through boosting Power circuits enable rapid temperature increase and voltage stabilization, and integrate prompt components such as lights and buzzers.
It realizes the portability and rapid response of the equipment, improves the efficiency and convenience of welding and circuit testing, simplifies the operation process, reduces the need for carrying and storage space, and enhances the applicability and user-friendliness of the equipment.
Smart Images

Figure CN222492511U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electronic multimeters, in particular to an intelligent screen-display portable electric soldering iron with a multimeter function. Background Art
[0002] In the prior art, a conventional electric soldering iron usually consists of an AC-powered main unit and a connected soldering iron handle, which is powered by 220V AC. This configuration makes the main unit bulky, the heating and temperature adjustment response is slow, and the mobility of the device is limited, making it inconvenient for mobile soldering. In addition, the electric soldering iron usually needs to be carried and used separately with various measuring devices such as a multimeter, which increases the equipment burden on the workbench and reduces operating efficiency.
[0003] With the rapid development and increasing complexity of electronic devices, the demand for portability, quick response and versatility of soldering iron equipment has increased significantly. Especially in field operations or space-constrained environments, the demand for efficient and portable soldering irons that can integrate multiple functions is becoming increasingly urgent.
[0004] Therefore, the shortcomings and limitations of the soldering iron in the prior art have inspired the research and development of a new type of intelligent soldering iron, which not only needs to have traditional soldering functions, but also integrated circuit measurement functions, while meeting the requirements of fast response and high mobility, thereby improving the efficiency and convenience of soldering and circuit testing. Utility Model Content
[0005] In order to solve the above problems, the utility model provides a smart screen portable soldering iron with a multimeter function, which integrates the soldering iron and the multimeter into one, has a simplified structure, is easy to carry, and can be used in more occasions.
[0006] The utility model is realized by the following technical scheme: a smart screen-display portable electric soldering iron with multimeter function, comprising:
[0007] A host with a display screen, wherein a control mainboard and a MUC control chip arranged on the control mainboard are installed inside the host, and a first functional connector and a second functional connector are installed on the control mainboard;
[0008] A soldering iron handle, one end of which is inserted into the first functional connector, and the host is used to power the soldering iron handle and control the temperature value of the soldering iron handle;
[0009] A measuring pen tip, one end of which is inserted into the second functional connector, realizes the measuring function through the measuring pen tip, and displays the measuring result through the display screen.
[0010] As a preferred technical solution, the soldering iron handle is provided with a connector through a connecting wire, and the soldering iron handle is inserted into the first functional joint through the connector.
[0011] As a preferred technical solution, the host is also provided with control buttons.
[0012] As a preferred technical solution, a lithium battery is also provided inside the host, and the lithium battery is charged through a charging interface on the control mainboard.
[0013] As a preferred technical solution, a multimeter chip and a peripheral sampling circuit are installed on the control main board. When the measuring pen tip is installed, the measuring pen tip is connected to the multimeter chip and the peripheral sampling circuit.
[0014] As a preferred technical solution, a soldering iron tip is arranged at one end of the soldering iron handle, and the soldering iron tip has a boost voltage-stabilizing power supply circuit, through which the soldering iron tip can achieve rapid temperature rise and voltage stabilization.
[0015] As a preferred technical solution, it also includes a prompt component, which includes a prompt light and a buzzer.
[0016] The beneficial effects of the utility model are as follows: the utility model adopts lithium battery for power supply, gets rid of the dependence on fixed power supply, greatly enhances its mobility and applicability, and is particularly suitable for use outdoors or in environments where power supply cannot be directly connected;
[0017] Secondly, the electric soldering iron tip of the utility model has a rapid heating function, which can raise the temperature from room temperature to more than 300 degrees in a few seconds, significantly improving work efficiency. The LED display screen displays the current temperature in real time, allowing the operator to accurately control the welding process, ensuring welding quality and safety;
[0018] In addition, the integrated multimeter function allows users to perform voltage, resistance, capacitance, diode and continuity tests without having to carry additional measuring tools, which not only saves carrying and storage space, but also simplifies the operation process and improves work efficiency.
[0019] The device also includes a Type-C interface, which can be used to connect multimeter probes and can also be used for charging, enhancing the compatibility and convenience of the device. The device is easy to operate and all functions can be controlled by a few buttons, including temperature settings, mode selection and other configurations such as automatic shutdown time and charging voltage.
[0020] Finally, the device is equipped with light and buzzer sound prompts, which further enhances user-friendliness. Visual and auditory feedback helps users work more effectively, improving the intuitiveness and safety of operations. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0022] Figure 1 It is an exploded view of the main unit and the measuring pen head of the utility model;
[0023] Figure 2 For this utility model Figure 1 Schematic diagram of the combined structure;
[0024] Figure 3 This is a schematic diagram of the structure of the utility model after being connected to an electric soldering iron;
[0025] Figure 4 It is a system block diagram of the utility model;
[0026] Figure 5 This is a circuit diagram of the MCU main control chip part of the utility model;
[0027] Figure 6 This is a circuit diagram of the chip part of the multimeter of the utility model;
[0028] Description of reference numerals:
[0029] 1. Measuring pen tip; 2. Second function connector; 3. Main unit; 4. Control buttons; 5. Display screen; 6. Second function connector; 7. Connecting wire; 8. Soldering iron handle; 9. Connector. DETAILED DESCRIPTION
[0030] All features disclosed in this specification, or steps in all methods or processes disclosed, except mutually exclusive features and / or steps, can be combined in any manner.
[0031] Any feature disclosed in this specification (including any additional claims, abstract and drawings), unless otherwise stated, may be replaced by other equivalent or alternative features with similar purposes. That is, unless otherwise stated, each feature is only an example of a series of equivalent or similar features.
[0032] like Figure 1-Figure 3 As shown, the utility model is a smart screen portable electric soldering iron with a multimeter function, comprising a host 3 with a display screen 5, a control mainboard and a MUC control chip arranged on the control mainboard are installed inside the host 3, and a first function connector and a second function connector 6 are installed on the control mainboard;
[0033] When the electric soldering iron function is needed, a soldering iron handle 8 is used, one end of which is inserted into the first functional connector, and the soldering iron handle 8 is powered by the host 3 and the temperature of the soldering iron handle 8 is controlled. The host 3 can adjust the temperature value, and the adjustment method can be adjusted by the control button 4;
[0034] In order to realize the measurement on the circuit, a measuring pen tip 1 is used in this embodiment, one end of which is inserted into the second functional connector 6. The measuring pen tip 1 realizes the measurement function, and the measurement result is displayed on the display screen 5. The multimeter generally measures parameters such as voltage, resistance, capacitance, diode, and on-off, thereby realizing the dual use of welding and multimeter measurement.
[0035] like Figure 3 As shown, the soldering iron handle 8 is provided with a connector 9 through the connecting line 7, and the soldering iron handle 8 is inserted into the first functional connector through the connector 9. When the electric soldering iron needs to be used, the circuit of the electric soldering iron can be turned on by inserting the connector 9 of the electric soldering iron into the first functional connector, and the host 3 is powered by the lithium battery therein, and the battery voltage is respectively supplied to the MCU, the multimeter chip, the soldering iron tip and the auxiliary circuits through the boost and stabilized power supply system.
[0036] like Figure 4-Figure 6 As shown, the host 3 is also provided with a control button 4, which can be a mode switching button, a temperature adjustment button, a power button, etc. The MCU control chip will control the operation of each component. When the power button is pressed, the MCU drives the display screen 5 to light up, and the display screen 5 will display three menus of soldering iron, multimeter and setting, and then the operation can be switched through the corresponding control button 4.
[0037] When you need to use the multimeter function, you only need to press the multimeter menu key, the display screen 5 switches to the multimeter interface, and start measuring. The test lead sends the measurement signal to the sampling circuit and then enters the multimeter chip for calculation and processing to generate a measurement reading. The MCU reads the measurement reading of the multimeter chip and displays it on the display screen 5.
[0038] In this embodiment, by pressing the setting menu key, the soldering iron temperature, automatic shutdown time and charging voltage can be set.
[0039] Among them, a lithium battery is also arranged inside the host 3, and the lithium battery is charged by controlling the charging interface on the mainboard. In this embodiment, Type-C is used as the interface, and the lithium-ion battery is charged by the Type-C input port. During the charging process, a red light is on, and when it is fully charged, the light color turns blue.
[0040] A multimeter chip and a peripheral sampling circuit are installed on the control main board. When the measuring pen head 1 is installed, the measuring pen head 1 is connected to the multimeter chip and the peripheral sampling circuit.
[0041] Among them, a soldering iron tip is arranged at one end of the soldering iron handle 8, and the soldering iron tip has a boost voltage-stabilizing power supply circuit, through which the soldering iron tip can achieve rapid temperature rise and voltage stabilization.
[0042] It also includes a prompt component, which includes a prompt light and a buzzer. The prompt light and the buzzer can be used to provide an audible and visual alarm, and the user can be immediately reminded when an operation is inappropriate.
[0043] By integrating the multimeter into the smart soldering iron, the dual-use features of welding and multimeter measurement are achieved; it can be moved or carried outdoors for welding and electronic measurement; and the applicability and portability of electronic welding measurement are greatly improved.
[0044] In the utility model, the MUC control chip built into the control mainboard is responsible for the instruction processing and function management of the entire system, and the device is powered by an internal lithium battery, which is charged through the charging interface on the main control board;
[0045] The electric soldering iron function is realized by connecting the soldering iron tip of the soldering iron handle 8 to the first functional connector of the main control board, wherein the soldering iron tip includes a boost voltage stabilizing power supply circuit to achieve rapid heating and temperature stability; the user sets the welding temperature through the control button 4 on the device, and the MUC chip adjusts the boost voltage stabilizing circuit to control the temperature of the soldering iron tip;
[0046] The multimeter function is realized by connecting the measuring pen head 1 to the second functional connector 6. The measuring pen head 1 is connected to the multimeter chip and its peripheral sampling circuit to process the measurement data and display it on the LED screen;
[0047] In addition, the device also includes prompt components (prompt lights and buzzers) to provide instant visual and auditory feedback to users' operations, ensuring intuitive and safe operations.
[0048] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.
Claims
1. A portable electric soldering iron with intelligent screen display and multimeter function, characterized in that: include: A host (3) with a display screen (5), wherein a control mainboard and a MUC control chip arranged on the control mainboard are installed inside the host (3), and a first functional connector and a second functional connector (6) are installed on the control mainboard; A soldering iron handle (8), one end of which is inserted into the first functional connector, and the soldering iron handle (8) is powered by the host (3) and the temperature value of the soldering iron handle (8) is controlled; A measuring pen tip (1) has one end inserted into the second functional connector (6), and the measuring function is realized through the measuring pen tip (1), and the measurement result is displayed through the display screen (5).
2. The smart screen portable soldering iron with multimeter function according to claim 1, characterized in that: The soldering iron handle (8) is provided with a connector (9) via a connecting line (7), and the soldering iron handle (8) is inserted into the first functional connector via the connector (9).
3. The smart screen portable soldering iron with multimeter function according to claim 1, characterized in that: The host (3) is also provided with a control button (4).
4. The smart screen portable soldering iron with multimeter function according to claim 1, characterized in that: A lithium battery is also arranged inside the host (3), and the lithium battery is charged via a charging interface on the control mainboard.
5. The smart screen portable soldering iron with multimeter function according to claim 1, characterized in that: A multimeter chip and a peripheral sampling circuit are installed on the control main board. When the measuring pen head (1) is installed, the measuring pen head (1) is connected to the multimeter chip and the peripheral sampling circuit.
6. The smart screen portable soldering iron with multimeter function according to claim 1, characterized in that: A soldering iron tip is arranged at one end of the soldering iron handle (8), and the soldering iron tip has a boost voltage-stabilizing power supply circuit, through which the soldering iron tip can achieve rapid temperature increase and voltage stabilization.
7. The smart screen portable soldering iron with multimeter function according to claim 1, characterized in that: It also includes a prompt component, which includes a prompt light and a buzzer.