CN212484176U - Moisture-proof wireless communication device - Google Patents
Moisture-proof wireless communication device Download PDFInfo
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- CN212484176U CN212484176U CN202021221903.XU CN202021221903U CN212484176U CN 212484176 U CN212484176 U CN 212484176U CN 202021221903 U CN202021221903 U CN 202021221903U CN 212484176 U CN212484176 U CN 212484176U
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Abstract
The utility model discloses a dampproofing wireless communication device relates to wireless communication technical field, aims at solving current wireless communication module and uses in the water gauge mounted position environment of locating, the fragile problem relatively, and its technical scheme main points are: the heating module is connected with the main control module through a wireless communication module, the main control module is connected with the humidity detection module and the heating module through electric signals, the humidity detection module detects the humidity of the environment where the wireless communication module is located and feeds back detection signals to the main control module, and the main control module controls the heating module to be opened and closed according to the detection signals. The utility model discloses can reduce communication module and damage the probability, improve the result of use.
Description
Technical Field
The utility model relates to a wireless communication technology field, more specifically say, it relates to a dampproofing wireless communication device.
Background
With the progress of science and technology, smart power grids, water grids and the like are widely applied, wherein a remote meter reading system is an important component of the smart power grids and the water grids. The data acquisition system needs to use an acquisition device to acquire data of a plurality of electric meters and water meters, and the data acquisition system needs to upload the data, so that a communication device is needed.
Patent No. CN 206181021U: a wireless communication module comprises a main control module, an interface module, a radio frequency module, a power amplifier module, an antenna system and a power supply module, wherein the power supply module comprises a first power supply module and a second power supply module; the main control module, the interface module and the first power supply module are all connected with a first grounding end, and the radio frequency module, the power amplifier module and the second power supply module are all connected with a second grounding end; an isolation circuit is arranged between the first grounding end and the second grounding end. The main control module and the radio frequency module are both powered by the first power supply module, so that the volume of the whole module can be reduced; the whole module is provided with two grounding ends, and a 0 ohm resistor is connected between the two grounding ends, so that the interference of pulse interference voltage to the radio frequency module can be prevented; the storage module is additionally arranged, so that data with larger capacity can be stored; the arrangement of the power amplification module can improve the transmission distance of signals.
The above technical solution provides a wireless communication module, but it has the following problems: most of environments such as water meters are relatively dark and humid, the modules are used in the environments, internal components are relatively easy to damage, and the use effect is affected, so that a new scheme needs to be provided to solve the problem.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a dampproofing wireless communication device, it can reduce communication module and damage the probability, improves the result of use.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an including wireless communication module, still include host system and signal connection in host system's humidity detection module and heating module, humidity detection module detects the humidity of the environment that wireless communication module is located and feeds back detected signal to host system, host system controls the heating module according to detected signal and opens and close.
Through adopting the technical scheme, the utility model discloses accessible humidity detection module detects the humidity of wireless communication module place environment and feeds back to host system, and host system opens and close according to the signal control heating module that feeds back to do the heating dehumidification to wireless communication module's place environment.
The utility model discloses further set up to: the humidity detection module comprises a humidity detection module,
a voltage dividing resistor R1, one end of which is coupled to the reference voltage Vref;
one end of the resistance type humidity sensor RH is coupled to one end of the voltage dividing resistor R1 far away from the voltage dividing resistor R1, and the other end is grounded;
a capacitor C1, one end of which is coupled to one end of the divider resistor R1 coupled to the reference voltage Vref, and the other end of which is grounded;
a capacitor C3, one end of which is coupled to one end of the divider resistor R1 coupled to the reference voltage Vref, and the other end of which is grounded;
a capacitor R2 connected in parallel to the resistive humidity sensor RH;
one end of the capacitor C2 and the resistive humidity sensor RH coupled to the voltage divider resistor R1 has a signal feedback terminal coupled to the main control module.
By adopting the technical scheme, when the resistance value of the resistance type humidity sensor RH changes along with the change of the humidity, the signal feedback end correspondingly feeds back an electric signal to the main control module, and the humidity detection feedback is completed.
The utility model discloses further set up to: the main control module comprises a single chip microcomputer controller, and the signal feedback end is coupled to the single chip microcomputer controller.
By adopting the technical scheme, the single chip microcomputer controller is adopted for controlling, and the working personnel can set the humidity condition for opening the heating module according to the actual requirement relatively conveniently.
The utility model discloses further set up to: the heating module comprises a heating module and a heating module,
a resistor R4, one end of which is coupled to the output end of the main control module;
an NPN transistor Q1, having a base coupled to the resistor R4 at a end remote from the main control module, a collector string coupled to the power Vcc1, and an emitter grounded;
the collector of the NPN type triode Q1 is coupled with and controls a heating execution unit.
By adopting the technical scheme, the main control module outputs high and low levels to control whether the NPN type triode Q1 is conducted or not so as to correspondingly control the heating formulating unit.
The utility model discloses further set up to: the heating execution unit comprises a plurality of heating resistors Rn connected in parallel, and the heating execution unit is connected in series with the collector of an NPN triode Q1.
By adopting the technical scheme, when the NPN type triode Q1 is conducted, the heating resistor is electrified to generate heat.
The utility model discloses further set up to: the heating execution unit comprises a relay K1 and a PTC heater P1, a coil of the relay K1 is connected in series with a collector of an NPN type triode Q1, and a normally open contact of the relay K1 is connected in series with a power supply loop of the PTC heater P1.
By adopting the technical scheme, when the NPN type triode Q1 is conducted, the coil of the relay K1 is electrified, and the normally open state is switched to the closed state so as to be conducted on the power supply loop of the PTC heater P1, namely, heating is started.
The utility model discloses further set up to: the protective box comprises a box body, one side of the inner cavity of the box body is of an open structure and is covered with a box cover which is matched with the box body in a covering mode, and a one-way valve is arranged on the protective box and is communicated with the inner cavity of the protective box and the outside; the wireless communication module, the main control module, the humidity detection module and the heating module are installed in the protection box.
By adopting the technical scheme, the contact between the components and the outside can be reduced by utilizing the box body, and a relatively independent space environment is formed; simultaneously, the setting of check valve for during the heating dehumidification of box body, gaseous ability is discharged, and external moisture is difficult to get into the box body again relatively, thereby improves the dehumidification effect.
The utility model discloses further set up to: a dehumidification bag is arranged in the protection box.
Through adopting above-mentioned technical scheme, can utilize the dehumidification bag to absorb the steam in the protection box to further reduce the probability that components and parts wet and damage.
To sum up, the utility model discloses following beneficial effect has:
1. the humidity detection module is arranged for detecting the humidity of the environment where the wireless communication module is located and feeding back signals to the main control module, and the main control module controls the heating module to dehumidify and heat according to the fed back signals, so that the probability of damp damage of the wireless communication module is reduced;
2. the wireless communication module is arranged in the protection box to reduce the contact probability with a humid environment; meanwhile, the heating module and the like are arranged in the protection box to ensure the heating and dehumidifying effects.
Drawings
Fig. 1 is a schematic circuit diagram according to a first embodiment of the present invention;
fig. 2 is a schematic circuit diagram according to a second embodiment of the present invention;
fig. 3 is a schematic partial structure diagram of a third embodiment of the present invention.
In the figure: 2. a main control module; 3. a humidity detection module; 4. a heating module; 5. a protective case; 51. a box body; 52. a box cover; 53. a one-way valve; 6. and (7) dehumidifying bags.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
The first embodiment is as follows:
the moisture-proof wireless communication device, referring to fig. 1, comprises a wireless communication module, a main control module 2, a humidity detection module 3 and a heating module 4, wherein the humidity detection module and the heating module are electrically connected with the main control module 2; the humidity detection module 3 is installed at the side of the wireless module and used for detecting the humidity of the environment where the wireless communication module is located and feeding back a detection signal to the main control module 2, so that the main control module 2 controls the heating module 4 to be opened and closed according to the detection signal, and dehumidification is performed.
The humidity detection module 3 includes:
a voltage dividing resistor R1, one end of which is coupled to the reference voltage Vref; the reference voltage Vref can directly select any reference voltage circuit which can reach the required voltage or directly select a certain output pin of the main control module 2 as a reference voltage output pin;
one end of the resistance type humidity sensor RH is coupled to one end of the voltage dividing resistor R1 far away from the voltage dividing resistor R1, and the other end is grounded;
a capacitor C1, one end of which is coupled to one end of the divider resistor R1 coupled to the reference voltage Vref, and the other end of which is grounded;
a capacitor C3, one end of which is coupled to one end of the divider resistor R1 coupled to the reference voltage Vref, and the other end of which is grounded;
a capacitor R2 connected in parallel to the resistive humidity sensor RH;
one end of the capacitor C2 and the resistor type humidity sensor RH coupled to the voltage dividing resistor R1 has a signal feedback end, and the signal feedback end is coupled to the main control module 2.
When the humidity sensor is used, the resistance value of the resistance type humidity sensor RH is changed due to the environmental humidity and is fed back to the main control module 2 through an electric signal so as to be used as a basis for control judgment.
The main control module 2 comprises a single chip microcomputer controller, and the signal feedback end is in electrical signal connection with the single chip microcomputer controller. The staff presets a suitable threshold value in the singlechip controller, and when the electric signal (voltage value) fed back to the singlechip controller exceeds the threshold value, the singlechip controller controls the heating module 4 to be started.
The following is presented by way of example of a comparator:
the signal feedback end is coupled to the negative input end of the comparator (the resistance value of the resistance type humidity sensing RH becomes smaller along with the increase of the humidity); the positive input of the comparator is coupled to another adapted reference voltage (which determines the turn-on time of the heating module 4); the output terminal of the comparator is coupled to the heating module 4.
The heating module 4 includes:
a resistor R4, one end of which is coupled to the output end of the main control module 2;
an NPN transistor Q1, having a base coupled to the resistor R4 at a end away from the main control module 2, a collector string coupled to the power Vcc1, and an emitter grounded;
the collector of the NPN transistor Q1 is coupled to and controls the heating performing unit 41, and the heating performing unit 41 includes a plurality of heating resistors Rn connected in parallel, which are connected in series to the collector of the NPN transistor Q1 and coupled to the power source Vcc 1.
In the using process, the main control module 2 outputs a high level, and when the collector of the NPN type triode Q1 receives the high level, the heating execution unit 41 is turned on to generate heat to heat and dehumidify the environment where the wireless communication module is located.
Example two:
moisture-proof wireless communication device, referring to fig. 2, the difference from the first embodiment is that: the heating execution unit 41 comprises a relay K1 and a PTC heater P1, wherein a coil of the relay K1 is connected in series with a collector of an NPN type triode Q1, and a normally open contact of the relay K1 is connected in series with a power supply loop of the PTC heater P1.
When the NPN transistor Q1 is turned on, the coil of the relay K1 is energized, and is normally open to switch to a closed state, so as to turn on the PTC heater P1.
Compared with the former mode, the heating efficiency and the heating effect of the mode are relatively better.
Example three:
moisture-proof wireless communication device, referring to fig. 3, differs from the second embodiment in that: utility model still includes protection box 5, for example: is made of heat-conducting plastics; the protection box 5 comprises a hollow box body 51, one side of the inner cavity of the box body 51 is of an opening structure and is connected with a box cover 52 matched with the box body through a bolt cover, the wireless communication module, the main control module 2, the humidity detection module 3 and the heating module 4 are all installed in the protection box 5, and the box cover 52 is sealed through a sealing strip to reduce the damp probability of components; the antenna of the wireless communication module may be disposed outside the case 51.
A check valve 53 is fixed to a side wall of the case 51, and the check valve 53 guides air from the inside of the case 51 to the outside. The one-way valve 53 can ensure that the moisture subjected to heating and dehumidification is separated from the box body 51, and can reduce the probability of entering the external moisture, so that the use effect is relatively better.
A dehumidifying bag 6 can be fixed in the box body 51, and the dehumidifying bag 6 can be selected from hygroscopic materials such as calcium chloride and the like as fillers, so as to further improve the dehumidifying effect.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A moisture-resistant wireless communication device comprising a wireless communication module, characterized in that: still include host system (2) and signal connection in host system's (2) humidity detection module (3) and heating module (4), humidity detection module (3) detect the humidity of wireless communication module place environment and feed back detected signal to host system (2), host system (2) are opened and close according to detected signal control heating module (4).
2. The moisture resistant wireless communication device of claim 1, wherein: the humidity detection module (3) comprises a humidity detection module,
a voltage dividing resistor R1, one end of which is coupled to the reference voltage Vref;
one end of the resistance type humidity sensor RH is coupled to one end of the voltage dividing resistor R1 far away from the voltage dividing resistor R1, and the other end is grounded;
a capacitor C1, one end of which is coupled to one end of the divider resistor R1 coupled to the reference voltage Vref, and the other end of which is grounded;
a capacitor C3, one end of which is coupled to one end of the divider resistor R1 coupled to the reference voltage Vref, and the other end of which is grounded;
a capacitor R2 connected in parallel to the resistive humidity sensor RH;
one end of the capacitor C2 and the resistive humidity sensor RH coupled to the voltage dividing resistor R1 has a signal feedback end, and the signal feedback end is coupled to the main control module (2).
3. The moisture resistant wireless communication device of claim 2, wherein: the main control module (2) comprises a single chip microcomputer controller, and the signal feedback end is coupled to the single chip microcomputer controller.
4. The moisture resistant wireless communication device of claim 2, wherein: the heating module (4) comprises a heating device,
a resistor R4, one end of which is coupled to the output end of the main control module (2);
an NPN transistor Q1, having a base coupled to the resistor R4 at a position away from the main control module (2), a collector string coupled to the power Vcc1, and an emitter grounded;
the collector of the NPN type triode Q1 is coupled with and controls a heating execution unit (41).
5. The moisture resistant wireless communication device of claim 4, wherein: the heating execution unit (41) comprises a plurality of heating resistors Rn connected in parallel, and the heating execution unit is connected in series with the collector of an NPN triode Q1.
6. The moisture resistant wireless communication device of claim 4, wherein: the heating execution unit (41) comprises a relay K1 and a PTC heater P1, a coil of the relay K1 is connected in series with a collector of an NPN type triode Q1, and a normally open contact of the relay K1 is connected in series with a power supply loop of the PTC heater P1.
7. Moisture-resistant wireless communication device according to claim 5 or 6, characterized in that: the protective box is characterized by further comprising a protective box (5) with a hollow structure, wherein the protective box (5) comprises a box body (51), one side of the inner cavity of the box body (51) is of an open structure and is covered with a box cover (52) which is matched with the box body in a covering mode, a one-way valve (53) is arranged on the protective box (5), and the one-way valve (53) is communicated with the inner cavity of the protective box (5) and the outside; the wireless communication module, the main control module (2), the humidity detection module (3) and the heating module (4) are installed in the protection box (5).
8. The moisture resistant wireless communication device of claim 7, wherein: a dehumidifying bag (6) is arranged in the protecting box (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021221903.XU CN212484176U (en) | 2020-06-28 | 2020-06-28 | Moisture-proof wireless communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021221903.XU CN212484176U (en) | 2020-06-28 | 2020-06-28 | Moisture-proof wireless communication device |
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| Publication Number | Publication Date |
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| CN212484176U true CN212484176U (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021221903.XU Active CN212484176U (en) | 2020-06-28 | 2020-06-28 | Moisture-proof wireless communication device |
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| CN (1) | CN212484176U (en) |
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