CN217878970U - Moisture detector with alternating current induction function - Google Patents
Moisture detector with alternating current induction function Download PDFInfo
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- CN217878970U CN217878970U CN202221788745.5U CN202221788745U CN217878970U CN 217878970 U CN217878970 U CN 217878970U CN 202221788745 U CN202221788745 U CN 202221788745U CN 217878970 U CN217878970 U CN 217878970U
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Abstract
The utility model discloses a moisture detector with alternating current induction function, which relates to the technical field of detecting instruments and comprises a main control U1, a moisture detecting module, an alternating current detecting module, an input interaction module and an output interaction module; the moisture detection module, the alternating current detection module, the input interaction module and the output interaction module are in signal connection with the main control U1. The utility model mainly solves the problem that the moisture detector can not detect the alternating current; this kind of moisture detector with alternating current induction function, including moisture detection module and alternating current detection module, when can detecting the material moisture content, can also detect the existence and the alternating current voltage size of alternating current, enlarged moisture detector's application range, increased the degree of convenience of moisture detector when using, reduced survey crew's work burden.
Description
Technical Field
The utility model relates to a detecting instrument technical field specifically is a moisture detector with alternating current response function.
Background
The moisture detector can detect the moisture content in a material such as wood, a wall, stacked paper, plastic, and a building material, and more particularly, the moisture detector can emit microwaves to the material to be detected through a probe or a probe, receive returned microwaves through the probe or the probe, and detect the moisture content of the material to be detected by detecting a loss rate and a phase angle change of the returned microwaves with respect to the emitted microwaves.
In the prior art, the moisture detector has wide application, but still has the following defects: under the scenes such as a detection occasion, an industrial occasion, a building occasion and the like, the moisture content of a substance needs to be detected, the existence of alternating current needs to be detected, however, the alternating current needs to be detected, a mutual inductance type alternating current detector needs to be equipped, and a detection person needs to carry more equipment, so that the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a moisture detector with alternating current response function when can detecting the material moisture content, can also detect the existence of alternating current.
In order to achieve the above purpose, the utility model provides a following technical scheme: a moisture detector with an alternating current induction function comprises a main control U1, a moisture detection module, an alternating current detection module, an input interaction module and an output interaction module; the moisture detection module, the alternating current detection module, the input interaction module and the output interaction module are in signal connection with the main control U1.
In the above technical scheme, the moisture detection module is a contact moisture detection module.
In the above technical solution, the moisture detection module includes a probe group and a first operational amplifier U2; the output end of the probe group is connected with the input end of the first operational amplifier U2, and the output end of the first operational amplifier U2 is connected with an analog quantity input/output pin of the main control U1.
In the above technical scheme, the moisture detection module is an induction type moisture detection module.
In the above technical solution, the moisture detection module includes a microwave transmitting antenna AP1, a microwave receiving antenna AP2, and a second operational amplifier U3; the PWM output pin and/or the analog output pin of the main control U1 are/is connected with the microwave transmitting antenna AP1, the microwave receiving antenna AP2 is connected with the input end of the second operational amplifier U3, and the output end of the second operational amplifier U3 is connected with the analog input pin of the main control U1.
In the above technical solution, the alternating current detection module includes an antenna ACS and a resistor R; and the output end of the antenna ACS is connected to the AO pin of the main control U1 after passing through the resistor R.
In the above technical solution, the output interaction module is one of a liquid crystal display module, an LED display module, a pointer indication module, and a sound production module.
In the above technical solution, the input interaction module is one of a micro switch group, a touch switch group and a touch module of a touch display screen.
In the technical scheme, the moisture detector with the alternating current induction function further comprises a wireless connection module, and the wireless connection module is in signal connection with the main control U1.
In the above technical scheme, the moisture detector with the alternating current induction function further comprises a power supply module, wherein the power supply module is electrically connected with the main control U1, the moisture detection module, the alternating current detection module, the input interaction module and the output interaction module respectively.
Compared with the prior art, the beneficial effects of the utility model are that: this kind of moisture detector with alternating current induction function, including moisture detection module and alternating current detection module, when can detect the material moisture content, can also detect the existence and the alternating voltage size of alternating current, enlarged the application range of moisture detector, increased the convenience degree of moisture detector when using, reduced survey crew's work burden.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
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 all belong to the protection scope of the present invention.
Referring to fig. 1, a moisture detector with an ac induction function includes a main control U1, a moisture detection module, an ac detection module, an input interaction module, and an output interaction module; the moisture detection module, the alternating current detection module, the input interaction module and the output interaction module are in signal connection with the main control U1.
In this embodiment, the main control U1 is an embedded chip, and the main control U1 at least has a general input/output pin, an analog input pin, a serial data transmission pin, and one of a PWM output pin and an analog output pin.
The main control U1 is mounted on a Printed Circuit Board (PCB) which is accommodated in a housing.
In some possible embodiments, the moisture detection module is a contact moisture detection module.
Specifically, the moisture detection module comprises a probe group and a first operational amplifier U2; the probe group consists of a plurality of probes made of stainless steel, aluminum alloy or copper alloy materials with sharp ends, and the first operational amplifier U2 is carried on the printed circuit board; the output end of the probe group is connected with the input end of a first operational amplifier U2, and the output end of the first operational amplifier U2 is connected with an analog quantity input/output pin (ADC) of a main control U1; in this embodiment, the probe set is provided with two probes, namely a probe T1 and a probe T2, an output end of the probe T1 is connected with a non-inverting input end of a first operational amplifier U2, and the probe T2 is connected with a VCC network; the probe T1 and the probe T2 are fixed on the shell, the blunt ends of the probe T1 and the probe T2 are welded on the printed circuit board or connected with the printed circuit board through a lead, and the first operational amplifier U2 is carried on the printed circuit board.
In other possible embodiments, the moisture detection module is an inductive moisture detection module.
Specifically, the moisture detection module comprises a microwave transmitting antenna AP1, a microwave receiving antenna AP2 and a second operational amplifier U3; the microwave transmitting antenna AP1 and the microwave receiving antenna AP2 can be onboard antennas integrated on a printed circuit board, or can be independently arranged probes or antennas, and the second operational amplifier U3 is carried on the printed circuit board; a PWM output pin and/or an analog output pin of the main control U1 are/is connected with a microwave transmitting antenna AP1, a microwave receiving antenna AP2 is connected with an input end of a second operational amplifier U3, and an output end of the second operational amplifier U3 is connected with an analog input pin of the main control U1; in this embodiment, the microwave transmitting antenna AP1 is connected to a PWM output Pin (PWM) of the main control U1, the microwave receiving antenna AP2 is connected to a non-inverting input terminal and an inverting input terminal of the second operational amplifier, and an output terminal of the second operational amplifier is connected to an AD pin of the main control U1.
In fact, a contact type moisture detection module and an induction type moisture detection module can be arranged at the same time to realize a dual-mode moisture detection function, and at this time, the first operational amplifier U2 and the second operational amplifier can be integrated in the same chip.
Specifically, the alternating current detection module comprises an antenna ACS and a resistor R; the output end of the antenna ACS is connected to the AO pin of the main control U1 after passing through the resistor R; the antenna ACS can generate induced current under the alternating magnetic field, the induced current is increased or decreased along with the change rate of the alternating magnetic field, and the antenna ACS and the resistor R can linearly transmit the induced current to the AO pin of the main control U1.
Specifically, the output interaction module is one of a liquid crystal display module, an LED display module, a pointer indication module and a sound production module; in this embodiment, the output interaction module is a liquid crystal display module, and the liquid crystal display module is in signal connection with the COM pin and the SEG pin of the main control U1, so that the main control U1 can drive the liquid crystal display module to operate in a serial data and clock manner, thereby displaying the water content of the substance to be detected, indicating the existence of the alternating current and the voltage of the alternating current.
Specifically, the input interaction module is one of a micro switch group, a touch switch group and a touch module of a touch display screen; in this embodiment, the input interaction module is a micro switch group, the micro switch group includes six micro switches, i.e., K1, K2, K3, K4, K5 and K6, the six micro switches are all integrated on the printed circuit board and connected with the general input/output pins (P0, P1, P2, P3, P4 and P5) of the main control U1, different micro switches of the micro switch group are triggered, and functions such as startup and shutdown, function switching, gear switching and the like can be realized.
Furthermore, the moisture detector with the alternating current induction function also comprises a wireless connection module, wherein the wireless connection module is in signal connection with the main control U1; in this embodiment, the wireless connection module is a bluetooth connection module, and the bluetooth connection module is in signal connection with the TX pin and the RX pin of the main control U1, so that the main control U1 can drive the bluetooth connection module to operate in a serial bus communication manner, and thus information such as the water content of the substance to be detected and the voltage of the alternating current is transmitted to terminals such as a mobile phone, a notebook computer, and a tablet computer.
Furthermore, the moisture detector with the alternating current induction function further comprises a power supply module, wherein the power supply module is electrically connected with the main control U1, the moisture detection module, the alternating current detection module, the input interaction module and the output interaction module respectively; in this embodiment, the power supply module includes a battery and a voltage stabilizing chip electrically connected to each other, that is, two poles of the battery are connected to two input ends of the voltage stabilizing chip according to polarity, and the output end of the voltage stabilizing chip is led out of the VCC network, so as to supply power to the main control U1, the moisture detection module, the alternating current detection module, the input interaction module, and the output interaction module.
This kind of moisture detector with alternating current induction function, when using:
for the contact type moisture detection module, the probe set is inserted into the waiting-to-be-detected materials such as wood, a wall body, stacked paper, plastic and building materials, the input end of the first operational amplifier U2 receives microwaves transmitted by the materials to be detected from the probe set, the microwaves are amplified and gained and then output to an analog input pin (ADC) of the main control U1 through the output end, and the main control U1 can obtain the moisture content of the materials to be detected after operation.
For the induction type moisture detection module, the microwave transmitting antenna AP1 and the microwave receiving antenna AP2 are close to the substance to be detected, the PWM output pin of the main control U1 leads the microwave with a certain frequency into the microwave transmitting antenna AP1, the microwave receiving antenna AP2 receives the microwave transmitted by the substance to be detected, the microwave is amplified and gained by the second operational amplifier U3 and then output to the analog input pin (AD 2) of the main control U1 through the output end, and the main control U1 can obtain the moisture content of the substance to be detected after operation.
For the alternating current detection module, the antenna ACS is close to the object to be detected, because the object to be detected with the alternating current can generate an alternating magnetic field, the antenna ACS can generate an induced current under the alternating magnetic field, the induced current is increased or decreased along with the change rate of the alternating magnetic field, the antenna ACS and the resistor R can linearly transmit the induced current to the main control U1, and the existence of the alternating current and the voltage of the alternating current can be known.
The functions of startup and shutdown, function switching, gear switching and the like can be realized through the input interaction module; through the output interaction module, the water content of the substance to be detected can be displayed, the existence of alternating current and the voltage of the alternating current can be indicated; through the wireless connection module, information such as the water content of the substance to be detected and the voltage of the alternating current can be transmitted to terminals such as a mobile phone, a notebook computer and a tablet computer.
This kind of moisture detector with alternating current induction function, including moisture detection module and alternating current detection module, when can detect the material moisture content, can also detect the existence and the alternating voltage size of alternating current, enlarged the application range of moisture detector, increased the convenience degree of moisture detector when using, reduced survey crew's work burden.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A moisture detector with an alternating current induction function is characterized by comprising a main control U1, a moisture detection module, an alternating current detection module, an input interaction module and an output interaction module;
the moisture detection module, the alternating current detection module, the input interaction module and the output interaction module are in signal connection with the main control U1.
2. The moisture detector with ac induction function according to claim 1, wherein: the moisture detection module is a contact moisture detection module.
3. The moisture detector with ac induction function according to claim 2, wherein: the moisture detection module comprises a probe group and a first operational amplifier U2;
the output end of the probe group is connected with the input end of the first operational amplifier U2, and the output end of the first operational amplifier U2 is connected with an analog quantity input/output pin of the main control U1.
4. The moisture meter with ac induction function according to claim 1, wherein: the moisture detection module is an induction type moisture detection module.
5. The moisture detector with ac induction function according to claim 4, wherein: the moisture detection module comprises a microwave transmitting antenna AP1, a microwave receiving antenna AP2 and a second operational amplifier U3;
the PWM output pin and/or the analog output pin of the main control U1 are/is connected with the microwave transmitting antenna AP1, the microwave receiving antenna AP2 is connected with the input end of the second operational amplifier U3, and the output end of the second operational amplifier U3 is connected with the analog input pin of the main control U1.
6. The moisture detector with ac induction function according to claim 1, wherein: the alternating current detection module comprises an antenna ACS and a resistor R;
and the output end of the antenna ACS is connected to the AO pin of the main control U1 after passing through the resistor R.
7. The moisture meter with ac induction function according to claim 1, wherein: the output interaction module is one of a liquid crystal display module, an LED display module, a pointer indication module and a sounding module.
8. The moisture detector with ac induction function according to claim 1, wherein: the input interaction module is one of a micro switch group, a touch switch group and a touch module of a touch display screen.
9. The moisture detector with ac induction function according to claim 1, wherein: the wireless connection module is in signal connection with the main control U1.
10. The moisture detector with ac induction function according to claim 1, wherein: the water quality detection device is characterized by further comprising a power supply module, wherein the power supply module is electrically connected with the main control U1, the water content detection module, the alternating current detection module, the input interaction module and the output interaction module respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221788745.5U CN217878970U (en) | 2022-07-12 | 2022-07-12 | Moisture detector with alternating current induction function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221788745.5U CN217878970U (en) | 2022-07-12 | 2022-07-12 | Moisture detector with alternating current induction function |
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| Publication Number | Publication Date |
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| CN217878970U true CN217878970U (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221788745.5U Active CN217878970U (en) | 2022-07-12 | 2022-07-12 | Moisture detector with alternating current induction function |
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- 2022-07-12 CN CN202221788745.5U patent/CN217878970U/en active Active
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