Ampere meter integrated with communication
By building current acquisition and calculation circuits in the ammeter and transmitting data to the processing module or peripherals through the interface module for storage, the problem that existing ammeters cannot effectively save test current data is solved, and the effect of automatic storage and digital control is achieved.
Patent Information
- Application Number
- CN202421514796.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-06-28
AI Technical Summary
The current of the existing clamp ammeter in the test product cannot be effectively stored and recorded, resulting in the inability to meet the actual production requirements.
Design an ammeter with integrated communication, and automatically saves test current data by building current acquisition circuits and computing circuits, and transmitting data to processing modules or peripherals through interface modules for storage.
The existing alarm mode is changed to a digital control read and save mode, which realizes automatic storage of current data and improves the storage efficiency and reliability of test data.
Smart Images
Figure CN222965302U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ammeters, and particularly relates to an ammeter integrated with communication. Background Art
[0002] Traditional clamp ammeters include a current clamp with an insulating rod and an ammeter main unit, or a clamp meter with an integrated current detection clamp and ammeter display. A clamp meter generally includes a detection module, a data processing module and a timing module connected to the detection module, and a display module connected to the data processing module and the timing module; the detection module includes an induction transformer unit, and the induction transformer unit can be electrically coupled with the measured wire element to inductively generate a current.
[0003] During the production process, an ammeter is used to test and control the test current, and the ammeter alarm current value is set to control. When the current exceeds the preset alarm current value during the module test, the ammeter buzzer gives an alarm prompt.
[0004] The existing clamp meters can meet certain requirements, but they also have certain deficiencies. For example, their test accuracy is relatively low, they cannot effectively save test data, and it is easy to be tampered with manually, thus affecting their applicability and practicality. Content of the Utility Model
[0005] The existing clamp meters cannot effectively save and record the current when testing products, thus failing to meet the actual production requirements.
[0006] In view of the above problems, an ammeter integrated with communication is proposed. By building a current acquisition circuit and a calculation circuit, and transmitting through an interface module to a processing module or a peripheral device for storage, the existing alarm mode is changed to a digital control reading and saving mode, so that the test current data of products can be automatically saved.
[0007] An ammeter integrated with communication includes:
[0008] A processing module;
[0009] An interface module;
[0010] A current module;
[0011] The processing module is electrically connected to the interface module and the current module respectively;
[0012] The current module is also electrically connected to the interface module;
[0013] The current module is used to collect current and calculate to obtain the actual current value;
[0014] The interface module is used to transmit the actual current value to the processing module or other peripheral devices for storage and recording.
[0015] In the first possible implementation mode in combination with the ammeter with integrated communication of the present utility model, the current module includes:
[0016] A current acquisition unit;
[0017] A current calculation unit;
[0018] The current acquisition unit is used to acquire the analog signal of the current of the product;
[0019] The calculation unit is used to calculate the analog signal to obtain the actual current value of the product.
[0020] In combination with the first possible implementation mode of the present utility model, in the second possible implementation mode, the current acquisition unit includes:
[0021] A first acquisition circuit;
[0022] A first calculation circuit;
[0023] The first acquisition circuit is electrically connected to the first calculation circuit;
[0024] The first acquisition circuit and the first calculation circuit are also respectively electrically connected to the interface module;
[0025] The first calculation circuit is also electrically connected to the processing module.
[0026] In combination with the first possible implementation mode of the present utility model, in the third possible implementation mode, the current acquisition unit includes:
[0027] A second acquisition circuit;
[0028] A second calculation circuit;
[0029] The second acquisition circuit is electrically connected to the second calculation circuit;
[0030] The second acquisition circuit and the second calculation circuit are also respectively electrically connected to the interface module;
[0031] The second calculation circuit is also electrically connected to the processing module.
[0032] In combination with the first possible implementation mode of the present utility model, in the fourth possible implementation mode, the current acquisition unit includes:
[0033] A third acquisition circuit;
[0034] A third calculation circuit;
[0035] The third acquisition circuit is electrically connected to the third calculation circuit;
[0036] The third acquisition circuit and the third calculation circuit are also electrically connected to the interface module respectively;
[0037] The third calculation circuit is also electrically connected to the processing module.
[0038] Combined with the first possible implementation manner of the present utility model, in the fifth possible implementation manner, the current acquisition unit includes:
[0039] A fourth acquisition circuit;
[0040] A fourth calculation circuit;
[0041] The fourth acquisition circuit is electrically connected to the fourth calculation circuit;
[0042] The fourth acquisition circuit and the fourth calculation circuit are also electrically connected to the interface module respectively;
[0043] The fourth calculation circuit is also electrically connected to the processing module.
[0044] Combined with the integrated communication ammeter of the present utility model, in the sixth possible implementation manner, the ammeter further includes:
[0045] An electrostatic protection module;
[0046] The electrostatic protection module is electrically connected to the interface module and the processing module respectively.
[0047] When implementing the integrated communication ammeter of the present utility model, by building a current acquisition circuit and a calculation circuit, and transmitting through the interface module to the processing module or external device for storage, the existing alarm mode is changed to a digital control reading and saving mode, so that the test current data of the product can be automatically saved. BRIEF DESCRIPTION OF THE DRAWINGS
[0048] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0049] Figure 1 It is a schematic diagram of the module connection of the integrated communication ammeter of the present utility model;
[0050] Figure 2 It is a schematic diagram of the processing module circuit of the present utility model;
[0051] Figure 3 It is a schematic diagram of the current acquisition unit circuit of the present utility model;
[0052] Figure 4 Schematic diagram of the current calculation unit circuit of the present utility model;
[0053] Figure 5 Schematic diagram of the electrostatic protection module circuit of the present utility model. Specific embodiments
[0054] Next, the technical solutions in the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0055] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs. The terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments, and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.
[0056] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0057] It should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present application.
[0058] In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality of" means two or more unless otherwise specifically defined.
[0059] The existing clamp meters cannot effectively save and record the current when testing products, thus failing to meet the actual production requirements.
[0060] In view of the above problems, an ammeter with integrated communication is proposed.
[0061] An ammeter with integrated communication, such as Figure 1 , Figure 1 is a schematic diagram of module connection of the ammeter with integrated communication of the present utility model; it includes a processing module 100, an interface module 200, and a current module 300; such as Figure 2 , Figure 2 is a schematic diagram of the circuit of the processing module 100 of the present utility model; the processing module 100 is electrically connected to the interface module 200 and the current module 300 respectively; the current module 300 is also electrically connected to the interface module 200; the current module 300 is used to collect current and calculate to obtain the actual current value; the interface module 200 is used to transmit the actual current value to the processing module 100 or other peripherals for storage and recording. By building a current acquisition circuit and a calculation circuit, and transmitting through the interface module 200 to the processing module 100 or peripherals for storage, the existing alarm mode is changed to a digital control reading and saving mode, so that the test current data of the product can be automatically saved.
[0062] The processing module includes a processing chip U1, multiple pins and their peripheral circuits
[0063] Specifically, such as Figure 3 and Figure 4 , Figure 3 is a schematic diagram of the circuit of the current acquisition unit 310 of the present utility model, Figure 4 is a schematic diagram of the circuit of the current calculation unit 320 of the present utility model; the current module 300 includes a current acquisition unit 310 and a current calculation unit 320; the current acquisition unit 310 is used to collect the analog signal of the current of the product; the calculation unit is used to calculate the analog signal to obtain the actual current value of the product.
[0064] Furthermore, the current acquisition unit 310 includes a first acquisition circuit 311 and a first calculation circuit 321; the first acquisition circuit 311 is electrically connected to the first calculation circuit 321; the first acquisition circuit 311 and the first calculation circuit 321 are also electrically connected to the interface module 200 respectively; the first calculation circuit 321 is also electrically connected to the processing module 100.
[0065] The circuit structures of the first acquisition circuit 311 and the first calculation circuit 321 are as Figure 3 and Figure 4 , the first acquisition circuit 311 includes a capacitor C6 and a resistor R19 connected in parallel, and the first calculation circuit 321 includes a calculation chip U38.
[0066] The first acquisition circuit 311 and the first calculation circuit 321 are electrically connected to the interface module 200 through the input pin VCI_IN and the output pin VCI_OUT.
[0067] Further, the current acquisition unit 310 includes a second acquisition circuit 312 and a second calculation circuit 322; the second acquisition circuit 312 is electrically connected to the second calculation circuit 322; the second acquisition circuit 312 and the second calculation circuit 322 are also respectively electrically connected to the interface module 200; the second calculation circuit 322 is also electrically connected to the processing module 100.
[0068] The circuit structures of the second acquisition circuit 312 and the second calculation circuit 322 are as Figure 3 and Figure 4 , the second acquisition circuit 312 includes a parallel-connected capacitor C7 and resistor R18, and the second calculation circuit 322 includes a calculation chip U2.
[0069] The second acquisition circuit 312 and the second calculation circuit 322 are electrically connected to the interface module 200 through input pins IOVCC_IN and output pins IOVCC_OUT.
[0070] Further, the current acquisition unit 310 includes a third acquisition circuit 313 and a third calculation circuit 323; the third acquisition circuit 313 is electrically connected to the third calculation circuit 323; the third acquisition circuit 313 and the third calculation circuit 323 are also respectively electrically connected to the interface module 200; the third calculation circuit 323 is also electrically connected to the processing module 100.
[0071] The circuit structures of the third acquisition circuit 313 and the third calculation circuit 323 are as Figure 3 and Figure 4 , the third acquisition circuit 313 includes a parallel-connected capacitor C14 and resistor R16, and the third calculation circuit 323 includes a calculation chip U3.
[0072] The third acquisition circuit 313 and the third calculation circuit 323 are electrically connected to the interface module 200 through input pins VSP_IN and output pins VSP_OUT.
[0073] Further, the current acquisition unit 310 includes a fourth acquisition circuit 314 and a fourth calculation circuit 324; the fourth acquisition circuit 314 is electrically connected to the fourth calculation circuit 324; the fourth acquisition circuit 314 and the fourth calculation circuit 324 are also respectively electrically connected to the interface module 200; the fourth calculation circuit 324 is also electrically connected to the processing module 100.
[0074] The circuit structures of the second and fourth acquisition circuits 314 and the fourth calculation circuit 324 are as Figure 3 and Figure 4 , the fourth acquisition circuit 314 includes a parallel-connected capacitor C15 and resistor R15, and the fourth calculation circuit 324 includes a calculation chip U4.
[0075] The fourth acquisition circuit 314 and the fourth calculation circuit 324 are electrically connected to the interface module 200 through the input pin VSN_IN and the output pin VSN_OUT.
[0076] The processing chip U1 is electrically connected to the calculation chips (U38, U2, U3, U4) through the pins (ADC3, ADC4, ADC2, ADC1) respectively.
[0077] Further, as Figure 5 , Figure 5 is the circuit schematic diagram of the electrostatic protection module 400 of the present utility model. The ammeter further includes an electrostatic protection module 400; the electrostatic protection module 400 is electrically connected to the interface module 200 and the processing module 100 respectively.
[0078] The electrostatic protection module 400 includes an electrostatic protection chip U16.
[0079] The interface module 200 is electrically connected to the processing chip U1 of the processing module 100 and the electrostatic protection chip U16 through the pins GPIO_1 / USART_RX and GPIO_2 / USART_TX respectively.
[0080] Implementing the integrated communication ammeter of the present utility model, by building a current acquisition circuit and a calculation circuit, and transmitting through the interface module 200 to the processing module 100 or a peripheral device for storage, thereby changing the existing alarm mode to a digital control reading and saving mode, so that the test current data of the product can be automatically saved.
[0081] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. An ammeter with integrated communication, characterized in that it comprises: Processing module; Interface module; Current module; The processing module is electrically connected to the interface module and the current module respectively; The current module is also electrically connected to the interface module; The current module is used to collect current and perform calculations to obtain the actual current value; The interface module is used to transmit the actual current value to the processing module or other peripherals for storage and recording.
2. The communication-integrated ammeter according to claim 1, characterized in that: The current module comprises: Current acquisition unit; Current calculation unit; The current acquisition unit is used to acquire the analog signal of the current of the product; The current calculation unit is used to calculate the analog signal to obtain the actual current value of the product.
3. The communication-integrated ammeter according to claim 2, characterized in that: The current collection unit comprises: A first acquisition circuit; a first calculation circuit; The first acquisition circuit is electrically connected to the first calculation circuit; The first acquisition circuit and the first calculation circuit are also electrically connected to the interface module respectively; The first calculation circuit is also electrically connected to the processing module.
4. The communication-integrated ammeter according to claim 2, characterized in that: The current collection unit also includes: A second acquisition circuit; a second calculation circuit; The second acquisition circuit is electrically connected to the second calculation circuit; The second acquisition circuit and the second calculation circuit are also electrically connected to the interface module respectively; The second calculation circuit is also electrically connected to the processing module.
5. The communication-integrated ammeter according to claim 2, characterized in that: The current collection unit also includes: The third acquisition circuit; a third calculation circuit; The third acquisition circuit is electrically connected to the third calculation circuit; The third acquisition circuit and the third calculation circuit are also electrically connected to the interface module respectively; The third calculation circuit is also electrically connected to the processing module.
6. The communication-integrated ammeter according to claim 2, characterized in that: The current collection unit comprises: A fourth acquisition circuit; a fourth calculation circuit; The fourth acquisition circuit is electrically connected to the fourth calculation circuit; The fourth acquisition circuit and the fourth calculation circuit are also electrically connected to the interface module respectively; The fourth calculation circuit is also electrically connected to the processing module.
7. The integrated communication ammeter according to any one of claims 1 to 6, characterized in that: The ammeter also includes: Electrostatic protection module; The electrostatic protection module is electrically connected to the interface module and the processing module respectively.