CN215180446U - Pen-type intelligent digital multimeter with voice prompt and value reporting functions - Google Patents
Pen-type intelligent digital multimeter with voice prompt and value reporting functions Download PDFInfo
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- CN215180446U CN215180446U CN202121032177.1U CN202121032177U CN215180446U CN 215180446 U CN215180446 U CN 215180446U CN 202121032177 U CN202121032177 U CN 202121032177U CN 215180446 U CN215180446 U CN 215180446U
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Abstract
The utility model relates to the technical field of multipurpose electronic measuring instruments, and discloses a pen-type intelligent digital multimeter with a voice prompt and value reporting function, which replaces the traditional multimeter reading mode indicated by a gauge head pointer, can display the measured value through an LCD display screen, is more convenient to read, has high accuracy, does not need to rotate a knob selection function, only has a trigger function selection key, can send out voice prompt through a built-in loudspeaker, and simultaneously can send out voice broadcast measurement reading through the built-in loudspeaker, thereby being convenient for people with poor eyesight to use, and being more humanized, simpler and clearer to operate, and can automatically identify direct current voltage, alternating current voltage and resistance measurement without any switching, and can manually press the function key to switch and measure parameters such as capacitance, diode, on-off test, non-contact voltage measurement, zero-live line measurement, three-phase alternating current phase sequence measurement and the like, the device has the advantages of rich functions, stable performance, high precision, high reliability, simple and convenient measurement reading and the like, and is strong in practicability.
Description
Technical Field
The utility model relates to a multipurpose electronic measuring instrument technical field, in particular to pen type intelligence digit multimeter with voice prompt newspaper function.
Background
Digital multimeters are electronic instruments used in electrical measurements. The multifunctional digital electronic measuring instrument can have a plurality of special functions, but the main functions are to measure voltage, resistance and current, and the digital multifunctional meter is taken as a modern multifunctional electronic measuring instrument and is mainly used in the measuring fields of physics, electricity, electronics and the like.
However, most of the existing electronic measuring instruments use a pointer to mark the measured value, which cannot visually display the measured value, is prone to have a large error, and does not have a function of reading the value with voice, so that inconvenience is brought to users with poor eyesight, and further improvement is needed. COM jack, meter pen probe, measurement negative input end COM.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pen type intelligence digit multimeter with voice prompt value reporting function aims at solving current electronic measurement instrument and marks the measured value through the pointer, appears great error easily, does not possess the function of pronunciation reading, brings inconvenient technical problem for poor user of eyesight.
In order to achieve the above object, the pen-type intelligent digital multimeter with voice prompt and value reporting functions provided by the present invention comprises a pen-type intelligent digital multimeter body, a test probe, an attenuation circuit, a magnetic latching conversion circuit, a power boosting circuit, an operational amplifier, an integration circuit, an a/D conversion circuit, an LCD display screen, a function switching key, a voice conversion circuit, a speaker and a COM jack for measuring negative input end, wherein the test probe is disposed at the lower end of the pen-type intelligent digital multimeter body, the attenuation circuit, the magnetic latching conversion circuit, the power boosting circuit, the operational amplifier, the integration circuit, the a/D conversion circuit, the voice conversion circuit and the speaker are disposed in the pen-type intelligent digital multimeter body, and the LCD display screen and the function switching key are disposed on the side wall of the pen-type intelligent digital multimeter body respectively, the test probe is sequentially connected with the attenuation circuit, the magnetic latching conversion circuit, the operational amplifier, the integrating circuit, the A/D conversion circuit and the LCD in series and electrically, the function switching key, the magnetic latching conversion circuit and the operational amplifier are respectively connected with the A/D conversion circuit electrically, the A/D conversion circuit is connected with the voice conversion circuit and the loudspeaker in series and electrically, and the power supply boosting circuit is respectively connected with the magnetic latching conversion circuit, the operational amplifier, the integrating circuit, the A/D conversion circuit, the function switching key and the voice conversion circuit electrically and used for supplying power.
Further, the a/D conversion circuit includes an a/D conversion chip, and the a/D conversion chip adopts an SD7501 chip, and the a/D conversion chip has a signal input port VR for receiving an input signal.
Further, the operational amplifier adopts an A42S chip.
Further, still include LED signal indicator, LED signal indicator set up in on the periphery wall of the lower tip of pen type intelligence digital multimeter body.
Further, still include LED light and flashlight on & off switch, the LED light set up in the lower tip of the digital multi purpose meter body of type intelligence, the flashlight on & off switch sets up on the periphery wall of the digital multi purpose meter body of type intelligence, just the flashlight on & off switch with the LED light electricity is connected.
Adopt the technical scheme of the utility model, following beneficial effect has: the technical proposal of the utility model replaces the traditional mode that the multimeter adopts the meter head pointer to indicate and read, can display the measured value through the LCD display screen, has more convenient reading and high accuracy, does not need to rotate the knob selection function, only has the trigger function selection button, can send out the voice prompt through the built-in loudspeaker, can send out the voice broadcast measurement reading through the built-in loudspeaker at the same time, is convenient for people with poor eyesight to use, is more humanized, has simpler and clearer operation, can automatically identify the direct current voltage, the alternating current voltage and the resistance measurement, does not need any switching, can manually press the function button to switch the measurement capacitance, the diode, the on-off test, the non-contact voltage measurement, the zero-fire line measurement, the three-phase alternating current phase sequence measurement and other parameters, has the advantages of rich function, stable performance, high precision, high reliability and simple and convenient measurement reading, the practicability is strong, and the tool is an ideal tool for laboratories, factories, radio enthusiasts and families.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of the whole circuit connection structure of a pen-type intelligent digital multimeter with voice prompt and reporting functions;
FIG. 2 is a schematic diagram of the A/D conversion circuit of the pen-type intelligent digital multimeter with voice prompt and reporting functions provided by the present invention;
fig. 3 is a schematic diagram of a power supply boost circuit of the pen-type intelligent digital multimeter with voice prompt and reporting functions provided by the present invention;
FIG. 4 is a schematic diagram of a signal input conversion circuit of the pen-type intelligent digital multimeter with voice prompt and reporting functions according to the present invention;
FIG. 5 is a schematic circuit diagram of a pen-type intelligent digital multimeter with voice prompt and reporting functions according to the present invention;
fig. 6 is an overall structure diagram of a pen-type intelligent digital multimeter having a voice prompt and reporting function according to an embodiment of the present invention;
fig. 7 is an overall structural diagram of another view angle of the pen-type intelligent digital multi-purpose meter with voice prompt and reporting functions according to an embodiment of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a pen type intelligence digit multimeter with voice prompt and value reporting functions.
As shown in fig. 1-7, in an embodiment of the present invention, the pen-type intelligent digital multimeter with voice prompt and value reporting functions includes a pen-type intelligent digital multimeter body 100, a test probe 101, an attenuation circuit 102, a magnetic latching switching circuit 103, a power boosting circuit 104, an operational amplifier 105, an integration circuit 106, an a/D switching circuit 107, an LCD display 108, a function switching key 109, a voice switching circuit 110, a speaker 111, and a measurement negative input end COM jack 112, wherein the test probe 101 is disposed at a lower end of the pen-type intelligent digital multimeter body 100, the measurement negative input end COM jack 112 is disposed at an upper end of the pen-type intelligent digital multimeter body 100, the LCD display 108 and the function switching key 109 are respectively disposed on a side wall of the pen-type intelligent digital multimeter body 100, the attenuation circuit 102, the magnetic latching switching circuit 103, the operational amplifier 105, and the measurement negative input end COM jack 112 are disposed at an upper end of the pen-type intelligent digital multimeter body 100, and the LCD display 108 and the function switching circuit and the function switching key 109 are disposed on a side wall of the pen-type intelligent digital multimeter body 100, respectively, The power boost circuit 104, the operational amplifier 105, the integrating circuit 106, the A/D converting circuit 107, the voice converting circuit 110 and the speaker 111 are all arranged in the pen-type intelligent digital multimeter body 100, the test probe 101 is electrically connected with the attenuating circuit 102, the magnetic latching converting circuit 103, the operational amplifier 105, the integrating circuit 106, the A/D converting circuit 107 and the LCD screen 108 in series in sequence, the function switching key 109, the magnetic latching converting circuit 103 and the operational amplifier 105 are respectively electrically connected with the A/D converting circuit 107, the A/D converting circuit 107 is electrically connected with the voice converting circuit 110 and the speaker 111 in series, the power boost circuit 104 is respectively electrically connected with the magnetic latching converting circuit 103, the operational amplifier 105, the integrating circuit 106, the A/D converting circuit 107, the function switching key 109 and the voice converting circuit 110, for providing power.
Specifically, the a/D conversion circuit 107 includes an a/D conversion chip, and the a/D conversion chip adopts an SD7501 chip, and the a/D conversion chip has a signal input port VR for receiving an input signal.
Specifically, the operational amplifier 105 employs an a42S chip.
Specifically, the pen-type intelligent digital multi-purpose meter further comprises an LED signal indicator 115, wherein the LED signal indicator 115 is arranged on the outer peripheral wall of the lower end part of the pen-type intelligent digital multi-purpose meter body 100.
Specifically, still include LED light 113 and flashlight on-off key 114, LED light 113 set up in the lower tip of pen type intelligent digital multimeter body 100, flashlight on-off key 114 sets up on the periphery wall of pen type intelligent digital multimeter body 100, just flashlight on-off key 114 with LED light 113 electricity is connected.
Specifically, the technical scheme of the utility model replaces the traditional multimeter adopting the mode of reading by the pointer indication of the gauge head, can display the measured value through the LCD display screen, has more convenient reading and high accuracy, does not need to rotate the knob to select the function, only has the function of triggering to select the key, can send out the voice prompt through the built-in loudspeaker, can send out the voice broadcast measurement reading through the built-in loudspeaker at the same time, is convenient for people with poor eyesight to use, is more humanized, has simpler and clearer operation, can automatically identify the measurement of direct current voltage, alternating current voltage and resistance, does not need any switching, can manually press the function key to switch the measurement of parameters such as capacitance, diode, on-off test, non-contact voltage measurement, zero line measurement, three-phase alternating current phase sequence measurement, and has the advantages of rich functions, stable performance, high precision, high reliability and simple and convenient measurement reading, the practicability is strong, and the tool is an ideal tool for laboratories, factories, radio enthusiasts and families.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (5)
1. A pen-type intelligent digital multimeter with a voice prompt and value report function is characterized by comprising a pen-type intelligent digital multimeter body, a test probe, an attenuation circuit, a magnetic latching conversion circuit, a power supply boosting circuit, an operational amplifier, an integration circuit, an A/D conversion circuit, an LCD display screen, a function switching key, a voice conversion circuit, a loudspeaker and a COM jack of a measuring negative input end, wherein the test probe is arranged at the lower end part of the pen-type intelligent digital multimeter body, the attenuation circuit, the magnetic latching conversion circuit, the power supply boosting circuit, the operational amplifier, the integration circuit, the A/D conversion circuit, the voice conversion circuit and the loudspeaker are all arranged in the pen-type intelligent digital multimeter body, the LCD display screen and the function switching key are respectively arranged on the side wall of the pen-type intelligent digital multimeter body, the test probe is sequentially connected with the attenuation circuit, the magnetic latching conversion circuit, the operational amplifier, the integrating circuit, the A/D conversion circuit and the LCD in series and electrically, the function switching key, the magnetic latching conversion circuit and the operational amplifier are respectively connected with the A/D conversion circuit electrically, the A/D conversion circuit is connected with the voice conversion circuit and the loudspeaker in series and electrically, and the power supply boosting circuit is respectively connected with the magnetic latching conversion circuit, the operational amplifier, the integrating circuit, the A/D conversion circuit, the function switching key and the voice conversion circuit electrically and used for supplying power.
2. The pen-type intelligent digital multimeter with voice prompt and value reporting functions according to claim 1, wherein the a/D conversion circuit comprises an a/D conversion chip, and the a/D conversion chip employs an SD7501 chip, and the a/D conversion chip has a signal input port VR for receiving an input signal.
3. The pen-type intelligent digital multimeter having voice prompt and value reporting functions as claimed in claim 2, wherein the operational amplifier employs an a42S chip.
4. The pen-type intelligent digital multimeter with voice prompt and value report functions according to claim 1, further comprising an LED signal indicator lamp disposed on the outer peripheral wall of the lower end portion of the pen-type intelligent digital multimeter body.
5. The pen-type intelligent digital multimeter with the voice prompt and value report function according to claim 1, further comprising an LED lighting lamp and a flashlight on-off key, wherein the LED lighting lamp is disposed at a lower end of the pen-type intelligent digital multimeter body, the flashlight on-off key is disposed on an outer peripheral wall of the pen-type intelligent digital multimeter body, and the flashlight on-off key is electrically connected to the LED lighting lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121032177.1U CN215180446U (en) | 2021-05-14 | 2021-05-14 | Pen-type intelligent digital multimeter with voice prompt and value reporting functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121032177.1U CN215180446U (en) | 2021-05-14 | 2021-05-14 | Pen-type intelligent digital multimeter with voice prompt and value reporting functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215180446U true CN215180446U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121032177.1U Active CN215180446U (en) | 2021-05-14 | 2021-05-14 | Pen-type intelligent digital multimeter with voice prompt and value reporting functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215180446U (en) |
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2021
- 2021-05-14 CN CN202121032177.1U patent/CN215180446U/en active Active
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