CN111693747A - Universal meter - Google Patents
Universal meter Download PDFInfo
- Publication number
- CN111693747A CN111693747A CN202010719517.1A CN202010719517A CN111693747A CN 111693747 A CN111693747 A CN 111693747A CN 202010719517 A CN202010719517 A CN 202010719517A CN 111693747 A CN111693747 A CN 111693747A
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- module
- gear
- storage
- trigger
- signal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/12—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will
- G01R15/125—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will for digital multimeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
Abstract
The utility model relates to a multimeter, which comprises a meter shell, a meter pen, a change-over switch, a measuring module, a gear shifting module and a triggering module, wherein the triggering module is used for detecting the set action change and outputting a gear triggering signal and a storage triggering signal corresponding to the set action change; the conversion module is electrically connected with the trigger module and is used for receiving the gear trigger signal and the storage trigger signal, converting the gear trigger signal and the storage trigger signal into corresponding gear digital signals and storage digital signals and sending the gear digital signals and the storage digital signals to the gear shifting module; the gear shifting module is in electric signal connection with the conversion module and the measuring module and is used for receiving and responding to the gear digital signal to switch the gear of the measuring module; and the storage module is used for receiving and storing the detection data processed by the measurement module. This application has the effect that improves universal meter convenient to use nature.
Description
Technical Field
The application relates to the field of multimeters, in particular to a multimeter.
Background
The universal meter is also called as multimeter, multi-purpose meter, three-purpose meter and multiplex meter, and is a multifunctional and multi-range measuring instrument, and can measure direct current, direct voltage, alternating voltage, resistance and audio level, etc. some of them can also measure alternating current, capacitance, inductance and some parameters of semiconductor.
The multimeter mainly comprises three main parts, namely a meter pen, a measuring circuit and a change-over switch. And the meter pen is used for connecting the universal meter and the measuring unit to realize measurement. The measuring circuit is a circuit for converting various measurands into a minute direct current suitable for meter case measurement, and is composed of a resistor, a semiconductor element and a battery. The function of the change-over switch is to select various different measuring lines to meet the measuring requirements of different kinds and different measuring ranges. The change-over switch generally has one or two, marks different gears and range respectively.
When using the universal meter, general operator needs to hold two pen-shape meters in the measurement circuit simultaneously in one hand, and the other hand needs to take the note and record data, and two pen-shape meters are held to the single hand and are difficult to place stably on components and parts, inconvenient use, and when needs adjustment gear or range, need one of them hand to adjust change over switch, inconvenient operation, therefore measurement operation and input operation are inconvenient when going on simultaneously, wait to improve.
Disclosure of Invention
In view of the deficiencies of the prior art, it is an object of the present invention to provide a multimeter.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a universal meter, includes meter box, pen-shape metre and change over switch and the interior measuring module of meter box and the module of shifting, and measuring module has a plurality of measurement gears and is used for measuring the pen-shape metre electrical connection components and parts parameter and export the test data, its characterized in that: the device also comprises a module: the device comprises a triggering module, a conversion module and a storage module;
the trigger module is arranged on the meter pen and used for detecting the set action change and outputting a gear trigger signal and a storage trigger signal corresponding to the set action change;
the conversion module is electrically connected with the trigger module and is used for receiving the gear trigger signal and the storage trigger signal, converting the gear trigger signal and the storage trigger signal into corresponding gear digital signals and storage digital signals and sending the gear digital signals and the storage digital signals to the gear shifting module;
the gear shifting module is in electric signal connection with the conversion module and the measuring module and is used for receiving and responding to the gear digital signal to switch the gear of the measuring module;
and the storage module is used for receiving and storing the detection data processed by the measurement module.
By adopting the technical scheme, in the process of using the universal meter for measurement, one hand holds and pinches one meter pen to finish the set action change, so that the trigger module outputs the gear trigger signal to the conversion module, and the conversion module outputs the gear shifting digital signal to the gear shifting module to change the gear of the universal meter; when the measured data is stable, the set action change is completed, so that the trigger module outputs a storage trigger signal to the conversion module, the conversion module outputs a storage digital signal to the storage module, and the data detected on the meter pen is stored in the storage module, so that the improved multimeter can complete measurement and data recording at the same time, and is convenient to operate.
Preferably: the trigger module is including setting up the button subassembly on the pen-shape metre, button subassembly and the module electricity signal connection of shifting, and the button subassembly is including the gear rotating ring of cover on the pen-shape metre and set up the button on the gear rotating ring, and the rotation action of gear rotating ring is used for triggering gear trigger signal, and the switch action of button is used for triggering storage trigger signal.
By adopting the technical scheme, the setting action is completed by adopting a button selection mode, the gear rotating ring is rotated to correspondingly select gears or ranges, and after the data measured by the meter pen is stable, the keys on the gear rotating ring are pressed down to store the detected data, so that the operation is convenient.
Preferably: the trigger module comprises a voice control assembly arranged on the meter pen, the voice control assembly is in wireless communication with the conversion module, and the voice control assembly comprises a microphone and is used for receiving an external voice signal with set frequency to trigger the gear trigger signal and receiving an external voice signal with set loudness to trigger the storage trigger signal.
By adopting the technical scheme, the microphone is adopted to acquire the set action change, the selection of the gear can be determined according to the loudness or frequency of the sound source as reference, and whether the data needs to be stored is selected according to the loudness of the sound.
Preferably: the touch assembly comprises a touch strip arranged in the length direction of the meter pen, and a plurality of gear areas used for triggering gear trigger signals and storage areas used for triggering and storing the trigger signals are arranged on the touch strip.
By adopting the technical scheme, the set action change is acquired in a touch mode, and when the touch device is used, one gear area on the touch strip is held and pinched to generate a gear trigger signal so as to select gears or measuring ranges; and after the data are stable, triggering the storage area in a sliding or pinching mode to generate a storage triggering signal, so that the storage module stores the detection data.
Preferably: the conversion module comprises an ADC conversion assembly, and the ADC conversion assembly is in electric signal connection with the gear shifting module.
By adopting the technical scheme, because the signal detected on the stylus is an analog signal, the analog signal needs to be converted into a digital signal by the ADC conversion component so as to be stored in the storage module.
Preferably: the measuring module stores the detection data to the storage module in a wired mode.
By adopting the technical scheme, the detection data can be stored in a wired mode.
Preferably: the measuring module stores the detection data to the storage module in a wireless mode, and the wireless mode is set to be Bluetooth or WiFi.
By adopting the technical scheme, the wireless connection mode is adopted, so that the detection data can be stored in the storage module and can also be stored in other user terminals, and the data can be conveniently transferred and stored.
Preferably: the measuring module stores the detection data to the storage module through the plugging storage piece.
By adopting the technical scheme, the data are stored by adopting a mode of plugging and unplugging the storage piece, the data are conveniently exported, and when the detection data need to be transferred, the storage piece only needs to be taken out and then other equipment is used for reading the data in the storage piece, so that the data transfer is realized.
In summary, the invention includes at least one of the following beneficial technical effects:
1. in the process of using the universal meter for measurement, two hands respectively hold and pinch a meter pen, and in the operation process, set action change is completed, so that a trigger module conversion module on the meter pen outputs a gear trigger signal, the gear trigger signal is converted into a digital signal by the conversion module, and the digital signal is output to a gear shifting module to select the gear of the universal meter; after the measurement is finished, if the detection data needs to be stored, the set action change is finished so that the trigger module outputs a storage trigger signal to the conversion module, and the storage trigger signal is converted into a storage digital signal by using the conversion module so that the storage module stores the detection data, so that the improved multimeter is convenient and time-saving when the measurement operation and the recording operation are simultaneously carried out, and the data is directly stored in the storage module, so that the accuracy of data recording is improved;
2. the gear rotating ring in the button assembly is adopted to select gears and measuring ranges, and the keys on the gear rotating ring are adopted to store data, so that the operation is convenient;
3. the microphone is adopted to acquire the set action change, and the set action change can be element change of a sound source, such as loudness or frequency to respectively trigger a gear shifting trigger signal and a storage trigger signal.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a block diagram of modules of an embodiment of the present application;
FIG. 3 is a schematic diagram illustrating an overall structure of a first trigger module on a stylus pen according to an embodiment of the present disclosure;
FIG. 4 is a schematic diagram illustrating an overall structure of a second trigger module on a stylus pen according to an embodiment of the present application;
fig. 5 is a schematic diagram illustrating an overall structure of one of the third trigger modules on the stylus in the embodiment of the present application;
fig. 6 is a schematic diagram illustrating an overall structure of another stylus pen in a third trigger module on the stylus pen in the embodiment of the present application;
fig. 7 is a block diagram of a wireless data transmission mode added in the embodiment of the present application.
Reference numerals: 1. a watch case; 2. a meter pen; 3. a transfer switch; 4. a triggering module; 5. a conversion module; 6. a shift module; 7. a storage module; 8. a button assembly; 801. a gear rotating ring; 802. pressing a key; 9. a voice-activated component; 10. a touch component; 1001. a gear area; 1002. a storage area; 11. and a measuring module.
Detailed Description
The present invention is described in further detail below with reference to figures 1-7.
Referring to fig. 1 and 2, the multimeter disclosed by the invention comprises a meter case 1, a meter pen 2, a change-over switch 3, a measurement module 11 and a gear shifting module 6 in the meter case 1. The measuring module 11 has a plurality of measuring gears and is used for measuring parameters of components electrically connected with the meter pen 2 and outputting detection data.
The multimeter further comprises: a triggering module 4, a conversion module 5 and a storage module 7.
And the trigger module 4 is arranged on the meter pen 2 and used for detecting the set action change and outputting a gear trigger signal and a storage trigger signal corresponding to the set action change.
The conversion module 5 is in electric signal connection with the trigger module 4 and is used for receiving the gear trigger signal and the storage trigger signal, converting the gear trigger signal and the storage trigger signal into corresponding gear digital signals and storage digital signals and sending the gear digital signals and the storage digital signals to the gear shifting module 6;
the gear shifting module 6 is in electric signal connection with the conversion module 5 and the measuring module 11 and is used for receiving and responding to the gear digital signal to switch the gear of the measuring module 11;
and the storage module 7 is used for receiving and storing the detection data after the electric signal connection processing of the measurement module 11.
The triggering module 4 is provided with a plurality of modes, which can be set as a button assembly 8, a voice control assembly 9 or a touch assembly 10, specifically as follows:
referring to fig. 3, in a first mode, the trigger module 4 includes a button assembly 8 disposed on the stylus pen 2, the button assembly 8 is in electrical signal connection with the conversion module 5, and the button assembly 8 includes a gear rotating ring 801 sleeved on the stylus pen 2 and a key 802 disposed on a surface of the gear rotating ring 801. Be equipped with the electrically conductive ball that moves along with gear swivel 801 rotates between gear swivel 801 and the pen-shape metre 2, electrically conductive ball and the module 6 electrical signal connection of shifting, and electrically conductive ball is embedded in gear swivel 801, and is equipped with the elastic component between electrically conductive ball and the gear swivel 801, like the spring. The meter pen 2 is provided with a rolling groove spirally wound on the side wall of the meter pen 2 and used for placing a conductive ball, and the bottom of the rolling groove is provided with a wiring port electrically connected with the gear shifting module 6. In addition, a plurality of raised transition grooves are arranged between two adjacent wiring ports in the rolling groove. The pushbutton 802 is electrically connected to the shifting module 6, and the switching action of the pushbutton 802 is used to trigger the storage trigger signal. When the gear needs to be adjusted, the gear rotating ring 801 is rotated, so that the gear rotating ring 801 drives the conductive balls to slide in the rolling grooves, the conductive balls are connected with the wiring ports under the action of the springs, and the selection of the gear or the range is realized. When the detection data needs to be stored or recorded, the key 802 is pressed down after the data measured by the meter pen 2 is stable, the detection data displayed on the measuring module 11 is stored in the storage module 7, and the operation is convenient.
Referring to fig. 4, in a second mode, the triggering module 4 includes a voice control component 9 disposed on the stylus 2, the voice control component 9 is in wireless communication with the converting module 5, and the voice control component 9 includes a microphone and a voice recognition component, and the microphone is configured to receive an external voice signal with a set frequency and a set loudness and transmit the voice signal to the voice recognition component. The sound identification component selects the size of the gear according to the loudness or frequency of the sound as a reference factor, and determines whether data needs to be stored according to the size of the loudness. The voice recognition component is also a voice recognition component and is used for recognizing set keywords and changing the gear of the multimeter or triggering the storage function of the multimeter by converting voice analog signals into digital signals. The microphone may be arranged on one stylus 2 or on both styli 2.
Referring to fig. 5 and 6, thirdly, the trigger module 4 includes a touch assembly 10 disposed on the stylus pen 2, the touch assembly 10 is in electrical signal connection with the shift module 6, the touch assembly 10 includes a touch strip disposed along the length direction of the stylus pen 2, and the touch strip is provided with a plurality of gear areas 1001 for triggering gear trigger signals and a storage area 1002 for triggering storage trigger signals. The set action change is acquired by touching, and when the touch device is used, one of the gear areas 1001 on the touch strip is held and pinched to select a gear or a measuring range. When the data is stable, the memory area 1002 is triggered by sliding or pinching to generate a trigger memory signal, so that the memory module 7 stores the detection data.
The user side can extract the required measurement data from the storage module 7 and the measurement module 11 in various ways, specifically:
first, the measurement module 11 outputs the detection data to the storage module 7 by wire for storage. The detection data can be stored in a wired mode.
Referring to fig. 7, in the second mode, the measurement module 11 outputs the detection data to the storage module 7 for storage, and the mode of the user terminal acquiring the detection data is set to be a wireless mode, and the wireless mode is set to be bluetooth or WiFi. In one case, a transmitting and receiving module is arranged between the user terminal and the storage module 7, the user terminal sends an application for reading detection data, the transmitting and receiving module receives the application, the detection data in the history record is read from the storage module 7, and the user terminal receives and stores the detection data and transfers the data, so that the data can be stored conveniently, and the storage space of the storage module 7 can be enlarged. In another case, a transmitting and receiving module is arranged between the user terminal and the measuring module 11, the user terminal sends an application for reading the detection data, and the transmitting and receiving module receives the application and acquires the data stored in real time from the measuring module 11.
The wireless connection mode is adopted, so that the data can be stored in the storage module 7, and the detection data can be stored in other user terminals, thereby facilitating the data transfer. Moreover, the data transmission is recorded in a wireless mode, so that the influence on data transmission due to the breakage of the data transmission line is reduced, the use of a cable is reduced, and the volume of the universal meter is reduced. And a wireless transmission mode is adopted, so that the condition that the cable of the meter pen 2 and other cables are arranged side by side is reduced, data are transmitted separately, and the interference of signals in other cables on the cable connected with the meter pen 2 is reduced.
Thirdly, the measuring module 11 outputs the detection data to the storage module 7 for storage through plugging and unplugging the storage element. The data are stored by plugging the storage piece, the data are conveniently exported, and when the detection data need to be transferred, the storage piece only needs to be taken out and then the data in the storage piece is read by other equipment, so that the data transfer is realized.
The implementation principle of the embodiment is as follows: in the process of using the universal meter, two hands can hold and pinch one meter pen 2 respectively, the range and the gear are adjusted by operating the rotating gear rotating ring 801 with one hand, and after the measurement is finished, the key 802 on the meter pen 2 is pressed down to store data. Therefore, the improved multimeter is more convenient when simultaneously performing measurement operation and recording operation. And the recorded data is more accurate because the data is directly stored in the storage module 7. In addition, the data transmission or transfer mode has a plurality of modes, which is convenient for realizing the transmission and storage of the data.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides a multimeter, includes measurement module (11) and the module of shifting (6) in table shell (1), pen-shape metre (2) and change over switch (3) and table shell (1), measurement module (11) have a plurality of measurement gears and are used for measuring the electrical connection components and parts parameter output detection data of pen-shape metre (2), its characterized in that: the device also comprises a module: the device comprises a trigger module (4), a conversion module (5) and a storage module (7);
the trigger module (4) is arranged on the meter pen (2) and is used for detecting the set action change and outputting a gear trigger signal and a storage trigger signal corresponding to the set action change;
the conversion module (5) is in electric signal connection with the trigger module (4) and is used for receiving the gear trigger signal and the storage trigger signal, converting the gear trigger signal and the storage trigger signal into corresponding gear digital signals and storage digital signals and sending the gear digital signals and the storage digital signals to the gear shifting module (6);
the gear shifting module (6) is in electric signal connection with the conversion module (5) and the measuring module (11) and is used for receiving and responding to the gear digital signal to switch the gear of the measuring module (11);
and the storage module (7) is used for receiving and storing the detection data processed by the measurement module (11).
2. A multimeter as claimed in claim 1, wherein: the trigger module (4) comprises a button assembly (8) arranged on the meter pen (2), the button assembly (8) is in electric signal connection with the gear shifting module (6), the button assembly (8) comprises a gear rotating ring (801) sleeved on the meter pen (2) and a key (802) arranged on the gear rotating ring (801), the rotating action of the gear rotating ring (801) is used for triggering a gear trigger signal, and the switching action of the key (802) is used for triggering a storage trigger signal.
3. A multimeter as claimed in claim 1, wherein: the trigger module (4) comprises a voice control assembly (9) arranged on the meter pen (2), the voice control assembly (9) is in wireless communication with the conversion module (5), the voice control assembly (9) comprises a microphone and is used for receiving an external voice signal with set frequency to trigger a gear trigger signal and receiving an external voice signal with set loudness to trigger a storage trigger signal.
4. A multimeter as claimed in claim 1, wherein: the trigger module (4) comprises a touch assembly (10) arranged on the meter pen (2), the touch assembly (10) is in electric signal connection with the gear shifting module (6), the touch assembly (10) comprises a touch strip arranged in the length direction of the meter pen (2), and a plurality of gear areas (1001) used for triggering gear trigger signals and storage areas (1002) used for triggering storage trigger signals are arranged on the touch strip.
5. A multimeter as claimed in claim 1, wherein: the conversion module (5) comprises an ADC conversion component which is in electric signal connection with the gear shifting module (6).
6. A multimeter as claimed in claim 1, wherein: the measuring module (11) stores the detection data to the storage module (7) in a wired mode.
7. A multimeter as claimed in claim 1, wherein: the measuring module (11) stores the detection data to the storage module (7) in a wireless mode, and the wireless mode is set to be Bluetooth or WiFi.
8. A multimeter as claimed in claim 1, wherein: the measuring module (11) stores the detection data to the storage module (7) by plugging and unplugging the storage piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010719517.1A CN111693747A (en) | 2020-07-23 | 2020-07-23 | Universal meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010719517.1A CN111693747A (en) | 2020-07-23 | 2020-07-23 | Universal meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111693747A true CN111693747A (en) | 2020-09-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010719517.1A Pending CN111693747A (en) | 2020-07-23 | 2020-07-23 | Universal meter |
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| CN (1) | CN111693747A (en) |
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Application publication date: 20200922 |
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