CN111092629A - Radio frequency wireless communication device - Google Patents
Radio frequency wireless communication device Download PDFInfo
- Publication number
- CN111092629A CN111092629A CN201911395120.5A CN201911395120A CN111092629A CN 111092629 A CN111092629 A CN 111092629A CN 201911395120 A CN201911395120 A CN 201911395120A CN 111092629 A CN111092629 A CN 111092629A
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- radio frequency
- circuit
- wireless communication
- air inlet
- communication device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention belongs to the field of radio frequency wireless communication, in particular to a radio frequency wireless communication device which comprises a shell and a circuit board fixed on the inner wall of the shell, wherein the circuit board is provided with a processor, a radio frequency transmitting circuit, a radio frequency receiving circuit and a reading circuit, the radio frequency transmitting circuit, the radio frequency receiving circuit and the reading circuit are all in signal connection with the processor, and the circuit board is also provided with an infrared switch, a humidity sensor and a temperature sensor; humidity transducer and the inside temperature and humidity of temperature sensor detectable device, according to humidity transducer and temperature sensor's testing result, cooling fan starts, passes through the rack through the motor and promotes the slide, with the filter screen in each filtering component, hold the screen frame, sealed piece and vacant inlet duct correspond with the inlet port respectively, satisfy the use under the multiple environment of device, when playing the heat dissipation dampproofing, can protect the inside circuit of device, increase the reliability of device.
Description
Technical Field
The invention relates to the field of radio frequency wireless communication, in particular to a radio frequency wireless communication device.
Background
With the rapid development of modern electronic technology, more and more communication products emerge, especially new products in the field of wireless communication. At present, wireless communication modes include radio, infrared, microwave communication, and radio frequency transceiving modes, wherein the radio frequency transceiving device is widely applied to low-cost wireless communication equipment due to the advantages of low price and long transmission distance.
Chinese patent discloses a radio frequency wireless communication device. (grant publication No. CN205725740U), this patent technology radiating effect is good, long service life, but its structure is comparatively complicated, can't switch according to specific service environment, and adaptability is lower. Accordingly, one skilled in the art provides a radio frequency wireless communication device to solve the above problems.
Disclosure of Invention
The present invention is directed to a radio frequency wireless communication device, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a radio frequency wireless communication device comprises a shell and a circuit board fixed on the inner wall of the shell, wherein a processor, a radio frequency transmitting circuit, a radio frequency receiving circuit and a reading circuit are arranged on the circuit board, the radio frequency transmitting circuit, the radio frequency receiving circuit and the reading circuit are all in signal connection with the processor, an infrared switch, a humidity sensor and a temperature sensor are further arranged on the circuit board, the infrared switch, the humidity sensor and the temperature sensor are all in signal connection with the processor, a plurality of exhaust holes which are arranged at equal intervals are formed in the upper end and the lower end of the shell, a plurality of air inlet holes which are arranged at equal intervals are formed in the back of the shell, a switching mechanism is arranged in the shell in a sliding manner, a cooling fan is further arranged in the shell and is in signal connection with the processor, and corresponds to the air inlet holes, the cooling fan is located between the circuit board and the switching mechanism, the switching mechanism comprises a sliding plate and a rack fixed at the middle position of one side of the sliding plate, the switching mechanism further comprises a motor, the motor is fixedly connected with the shell, the output end of the motor is in transmission connection with the rack, the sliding plate is provided with a plurality of filtering components corresponding to the air inlet holes, and the motor is in signal connection with the processor.
As a still further scheme of the invention: the filter component comprises three air inlet grooves which are arranged at equal intervals, the air inlet grooves are formed in the sliding plate, filter screens and containing net frames are respectively installed in the two air inlet grooves, activated carbon is placed in the containing net frames, and a plurality of vent holes are formed in the activated carbon.
As a still further scheme of the invention: the filtering component further comprises a sealing block, and the sealing block is embedded in the bottom surface of the sliding plate and located on the left side of the filtering net.
As a still further scheme of the invention: the filter screen is a 100-mesh metal filter screen.
As a still further scheme of the invention: the output end of the motor is fixedly connected with a gear, and the gear is meshed with the rack.
As a still further scheme of the invention: the inner wall of the exhaust hole is fixedly connected with two symmetrically arranged films.
As a still further scheme of the invention: the inner wall of the shell is fixedly connected with two symmetrically arranged check blocks, and the sliding plate is positioned between the two check blocks and is contacted with the inner side walls of the two check blocks.
Compared with the prior art, the invention has the beneficial effects that:
the infrared switch can detect whether a person is near the device, when the person is detected to approach the device, the signal is transmitted to the processor, the processor starts the radio frequency transmitting circuit, the radio frequency receiving circuit and the reading circuit to work, when the person is not near the device, the processor closes the radio frequency transmitting circuit, the radio frequency receiving circuit and the reading circuit, the continuous working time of the transmitting circuit, the radio frequency receiving circuit and the reading circuit can be reduced, meanwhile, the heating time is reduced, the temperature rise caused by continuous working is prevented, the temperature and the humidity in the device can be detected by the humidity sensor and the temperature sensor, according to the detection results of the humidity sensor and the temperature sensor, the cooling fan is started, the sliding plate is pushed by the motor through the rack, the filter screen, the containing screen frame, the sealing block and the vacant air inlet groove in each filter component respectively correspond to the air inlet hole in various environments, the heat dissipation and moisture prevention can be realized, meanwhile, the circuit inside the device can be protected, and the reliability of the device is improved.
Drawings
FIG. 1 is a schematic diagram of an RF wireless communication device;
FIG. 2 is a schematic view of a cooling fan of a radio frequency wireless communication device;
FIG. 3 is a schematic view of an air inlet in a radio frequency wireless communication device;
FIG. 4 is a schematic diagram of a switching mechanism in an RF wireless communication device;
FIG. 5 is a schematic diagram of a filter structure in an RF wireless communication device;
fig. 6 is an enlarged schematic view of a portion a in fig. 1.
In the figure: 1. a housing; 101. an exhaust hole; 102. an air inlet; 11. a circuit board; 12. a processor; 13. a radio frequency transmission circuit; 14. a radio frequency receiving circuit; 15. a read circuit; 16. an infrared switch; 17. a humidity sensor; 18. a temperature sensor; 2. a film; 3. a switching mechanism; 31. a slide plate; 32. a rack; 33. a motor; 331. a gear; 34. a filter member; 341. an air inlet groove; 342. a filter screen; 343. a containing net frame; 344. activated carbon; 345. a vent hole; 346. a sealing block; 4. a cooling fan; 5. and a stop block.
Detailed Description
Referring to fig. 1 to 6, in an embodiment of the present invention, a radio frequency wireless communication device includes a housing 1 and a circuit board 11 fixed on an inner wall of the housing, the circuit board 11 is provided with a processor 12, a radio frequency transmitting circuit 13, a radio frequency receiving circuit 14 and a reading circuit 15, the radio frequency transmitting circuit 13, the radio frequency receiving circuit 14 and the reading circuit 15 are all in signal connection with the processor 12, the circuit board 11 is further provided with an infrared switch 16, a humidity sensor 17 and a temperature sensor 18, the infrared switch 16, the humidity sensor 17 and the temperature sensor 18 are all in signal connection with the processor 12, upper and lower ends of the housing 1 are respectively provided with a plurality of exhaust holes 101 arranged at equal intervals, a plurality of air inlets 102 arranged at equal intervals are formed on a back surface of the housing 1, a switching mechanism 3 is slid inside the housing 1, a cooling fan 4 is further installed inside the housing 1, the cooling fan 4 is in signal connection, the switching mechanism 3 corresponds to the air inlet 102, the cooling fan 4 is located between the circuit board 11 and the switching mechanism 3, the switching mechanism 3 comprises a sliding plate 31 and a rack 32 fixed at the middle position of one side of the sliding plate, the switching mechanism 3 further comprises a motor 33, the motor 33 is fixedly connected with the shell 1, the output end of the motor is in transmission connection with the rack 32, the sliding plate 31 is provided with a plurality of filtering components 34 corresponding to the air inlet 102, and the motor 33 is in signal connection with the processor 12.
In this embodiment: the working principle of the circuit board 11 with the processor 12, the radio frequency transmitting circuit 13, the radio frequency receiving circuit 14 and the reading circuit 15 is the same as the working principle of the chinese patent with publication number CN205725740U, the infrared switch 16 can detect whether there is a person near the device, when detecting that a person is approaching, the signal is transmitted to the processor 12, the processor 12 starts the radio frequency transmitting circuit 13, the radio frequency receiving circuit 14 and the reading circuit 15 to work, when there is no person near the device, the processor 12 closes the radio frequency transmitting circuit 13, the radio frequency receiving circuit 14 and the reading circuit 15, the continuous working time of the radio frequency transmitting circuit 13, the radio frequency receiving circuit 14 and the reading circuit 15 can be reduced, the heating time can be reduced, the temperature rise caused by the continuous working can be prevented, the temperature and the humidity inside the device can be detected by the humidity sensor 17 (model DHT11) and the temperature sensor 18 (model MF52), when the temperature is higher, the cooling fan 4 is started, the motor 33 pushes the sliding plate 31 through the rack 32, the filter screen 342 in each filter member 34 corresponds to the air inlet 102, the outside cold air is pumped into the device through the air inlet 102 and the filter screen 342 to cool the inside of the device, and then is exhausted through the air outlet 101, the filter screen 342 can filter impurities in the air to prevent larger particles of dust from entering the device to affect circuits, when the humidity is higher, the motor 33 pushes the sliding plate 31 through the rack 32 to make the containing screen frame 343 in each filter member 34 correspond to the air inlet 102, the outside cold air is pumped into the device through the vent holes 345 on the activated carbon 344 in the containing screen frame 343, the activated carbon 344 in the containing screen frame 343 absorbs moisture in the air to keep the inside of the device dry, if the temperature in the device continuously rises, the motor 33 pushes the sliding plate 31 through the rack 32, the vacant air inlet groove 341 corresponds to the air inlet hole 102 to increase air inflow and ensure cooling inside the device, when the humidity is detected to continuously rise, the motor 33 pushes the sliding plate 31 through the rack 32, the sealing block 346 in each filtering component 34 corresponds to the air inlet hole 102 to seal the air inlet hole 102, the cooling fan 4 is closed, meanwhile, the film 2 in the exhaust hole 101 is in a closed state when no airflow exists, external humid air cannot enter, a circuit inside the device is protected, the sliding plate 31 is pushed through the rack 32 through the motor 33, the filter screen 342, the containing screen frame 343, the sealing block 346 and the vacant air inlet groove 341 in each filtering component 34 correspond to the air inlet hole 102 respectively, the use under various environments of the device is met, the heat dissipation and moisture prevention are achieved, meanwhile, the circuit inside the device can be protected, and the reliability of the device is improved.
In fig. 1: the device comprises a shell 1 and a circuit board 11 fixed on the inner wall of the shell, wherein a processor 12, a radio frequency transmitting circuit 13, a radio frequency receiving circuit 14 and a reading circuit 15 are arranged on the circuit board 11, the radio frequency transmitting circuit 13, the radio frequency receiving circuit 14 and the reading circuit 15 are all in signal connection with the processor 12, an infrared switch 16, a humidity sensor 17 and a temperature sensor 18 are further arranged on the circuit board 11, the infrared switch 16, the humidity sensor 17 and the temperature sensor 18 are all in signal connection with the processor 12, the infrared switch 16 can detect whether a person is near the device, when the person is detected to approach the device, the signal is transmitted to the processor 12, the processor 12 starts the radio frequency transmitting circuit 13, the radio frequency receiving circuit 14 and the reading circuit 15 to work, and when the person is not near the device, the processor 12 closes the radio frequency transmitting circuit 13, the radio frequency receiving circuit 14 and the reading circuit 15, so that the radio, The continuous working time of the radio frequency receiving circuit 14 and the reading circuit 15 is reduced, the heating time is reduced, the temperature rise caused by the continuous working is prevented, and the humidity sensor 17 and the temperature sensor 18 can detect the temperature and the humidity in the device.
In fig. 2-3: the upper end and the lower end of the shell 1 are respectively provided with a plurality of exhaust holes 101 which are arranged at equal intervals, the back of the shell 1 is provided with a plurality of air inlet holes 102 which are arranged at equal intervals, the inside of the shell 1 is provided with a switching mechanism 3 in a sliding way, the inside of the shell 1 is also provided with a cooling fan 4, the cooling fan 4 (model 5010) is in signal connection with the processor 12, the switching mechanism 3 corresponds to the air inlet holes 102, the cooling fan 4 is positioned between the circuit board 11 and the switching mechanism 3, the switching mechanism 3 comprises a sliding plate 31 and a rack 32 which is fixed at the middle position of one side of the sliding plate, the switching mechanism 3 also comprises a motor 33, the motor 33 is fixedly connected with the shell 1, the output end of the motor is in transmission connection with the rack 32, the sliding plate 31 is provided with a plurality of filtering components 34 which correspond to the air inlet holes 102, with filter screen 342 in each filter component 34, hold screen frame 343, sealed block 346 and vacant inlet chute 341 respectively with inlet port 102, satisfy the use under the multiple environment of device, when playing the heat dissipation dampproofing, can protect the inside circuit of device, increase the reliability of device, the output fixedly connected with gear 331 of motor 33, gear 331 and rack 32 mesh, motor 33 drives gear 331 and rotates, because gear 331 and rack 32 mesh, rack 32 can promote slide 31 and remove, the inner wall fixedly connected with of casing 1 has two symmetrical arrangement's dog 5, slide 31 is located between two dog 5, and contact with the inside wall of two dog 5, dog 5 can carry out spacing to slide 31, prevent that it from taking place the slope.
In fig. 4-6: the filter member 34 includes three air inlet grooves 341 arranged at equal intervals, the air inlet grooves 341 are arranged on the sliding plate 31, two air inlet grooves 341 are respectively provided with a filter screen 342 and a containing screen frame 343, the containing screen frame 343 is internally provided with active carbon 344, the active carbon 344 is provided with a plurality of vent holes 345, the filter member 34 further includes a sealing block 346, the sealing block 346 is embedded on the bottom surface of the sliding plate 31 and is positioned at the left side of the filter screen 342, the filter screen 342 is a 100-mesh metal filter screen, the inner wall of the exhaust hole 101 is fixedly connected with two symmetrically arranged films 2, the filter screen 342 in each filter member 34 corresponds to the air inlet hole 102, the external cold air is pumped into the device after being filtered through the air inlet hole 102 and the filter screen 342, the filter screen 342 can filter impurities in the air, prevent larger particles of dust from entering the device to affect the circuit, when the humidity is higher, the net frame 343 in each filtering component 34 corresponds to the air inlet holes 102, the cold outside air is pumped into the device through the vent holes 345 on the activated carbon 344 in the net frame 343, the activated carbon 344 in the net frame 343 absorbs the moisture in the air, the inside of the device is kept dry, if the temperature in the device continuously rises, the air inlet groove 341 which is empty corresponds to the air inlet holes 102, the air inlet amount is increased, the cooling in the device is ensured, when the humidity is detected to continuously rise, the sealing block 346 in each filtering component 34 corresponds to the air inlet holes 102, the air inlet holes 102 are sealed, the cooling fan 4 is closed, meanwhile, the film 2 in the air outlet hole 101 is in a closed state under the action of no air flow, the damp outside air cannot enter, and the circuit in the device is protected.
The working principle of the invention is as follows: the infrared switch 16 can detect whether a person is near the device, when the person is detected to approach the device, the signal is transmitted to the processor 12, the processor 12 starts the radio frequency transmitting circuit 13, the radio frequency receiving circuit 14 and the reading circuit 15 to work, when no person is near the device, the processor 12 closes the radio frequency transmitting circuit 13, the radio frequency receiving circuit 14 and the reading circuit 15, the continuous working time of the radio frequency transmitting circuit 13, the radio frequency receiving circuit 14 and the reading circuit 15 can be reduced, meanwhile, the heating time is reduced, the temperature rise caused by continuous working is prevented, the temperature and the humidity in the device can be detected by the humidity sensor 17 and the temperature sensor 18, when the temperature is higher, the cooling fan 4 is started, the motor 33 pushes the sliding plate 31 through the rack 32, the filter screen in each filter member 34 corresponds to the air inlet 102, and the outside cold air is pumped to the inside of the device after being filtered by the air inlet 102 and, cooling the inside of the device, then discharging the air through the exhaust hole 101, the filter screen 342 can filter impurities in the air, preventing larger particles of dust from entering the inside of the device and affecting the circuit, when the humidity is higher, the motor 33 pushes the sliding plate 31 through the rack 32, the net holding frame 343 in each filter member 34 corresponds to the air inlet hole 102, the outside cold air is pumped into the device through the vent hole 345 on the active carbon 344 in the net holding frame 343, the active carbon 344 in the net holding frame 343 absorbs moisture in the air, keeping the inside of the device dry, if the temperature in the device continuously rises, the motor 33 pushes the sliding plate 31 through the rack 32, the vacant air inlet groove 341 corresponds to the air inlet hole 102, increasing the air inlet amount and ensuring the cooling of the inside of the device, when the humidity continuously rises, the motor 33 pushes the sliding plate 31 through the rack 32, the sealing block 346 in each filter member 34 corresponds to the air inlet hole 102, seal inlet hole 102, close cooling fan 4, simultaneously, film 2 in exhaust hole 101 is in the closed condition when there is not the effect of air current, outside humid air can't get into, the inside circuit of protection device, promote slide 31 through rack 32 through motor 33, with filter screen 342 in each filtering member 34, hold screen frame 343, sealed piece 346 and vacant inlet chute 341 correspond with inlet hole 102 respectively, satisfy the use under the multiple environment of device, play the dampproofing while of heat dissipation, can protect the inside circuit of device, increase the reliability of device
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (7)
1. A radio frequency wireless communication device comprises a shell (1) and a circuit board (11) fixed on the inner wall of the shell, wherein a processor (12), a radio frequency transmitting circuit (13), a radio frequency receiving circuit (14) and a reading circuit (15) are arranged on the circuit board (11), the radio frequency transmitting circuit (13), the radio frequency receiving circuit (14) and the reading circuit (15) are in signal connection with the processor (12), the radio frequency wireless communication device is characterized in that an infrared switch (16), a humidity sensor (17) and a temperature sensor (18) are further arranged on the circuit board (11), the infrared switch (16), the humidity sensor (17) and the temperature sensor (18) are in signal connection with the processor (12), a plurality of exhaust holes (101) which are arranged at equal intervals are respectively formed in the upper end and the lower end of the shell (1), a plurality of air inlet holes (102) which are arranged at equal intervals are formed in the back of the shell (1), a switching mechanism (3) is arranged in the shell (1) in a sliding manner, a cooling fan (4) is also arranged in the shell (1), the cooling fan (4) is in signal connection with the processor (12), the switching mechanism (3) corresponds to the air inlet hole (102), the cooling fan (4) is located between the circuit board (11) and the switching mechanism (3), the switching mechanism (3) comprises a sliding plate (31) and a rack (32) fixed at the middle position of one side of the sliding plate, the switching mechanism (3) further comprises a motor (33), the motor (33) is fixedly connected with the shell (1), the output end of the air filter is in transmission connection with the rack (32), a plurality of filter members (34) corresponding to the air inlet holes (102) are installed on the sliding plate (31), and the motor (33) is in signal connection with the processor (12).
2. The radio frequency wireless communication device according to claim 1, wherein the filtering member (34) comprises three air inlet grooves (341) arranged at equal intervals, the air inlet grooves (341) are arranged on the sliding plate (31), a filter screen (342) and a containing net frame (343) are respectively installed in the two air inlet grooves (341), activated carbon (344) is placed in the containing net frame (343), and a plurality of vent holes (345) are arranged on the activated carbon (344).
3. A radio frequency wireless communication device according to claim 2, wherein the filter member (34) further comprises a sealing block (346), the sealing block (346) is embedded in the bottom surface of the slide plate (31) and is located at the left side of the filter screen (342).
4. A radio frequency wireless communication device according to claim 2, wherein the filter mesh (342) is a 100 mesh metal filter mesh.
5. A radio frequency wireless communication device according to claim 1, wherein a gear (331) is fixedly connected to an output end of the motor (33), and the gear (331) is engaged with the rack (32).
6. A radio frequency wireless communication device according to claim 1, wherein two symmetrically arranged films (2) are fixedly connected to the inner wall of the exhaust hole (101).
7. A radio frequency wireless communication device according to claim 1, wherein two symmetrically arranged blocks (5) are fixedly connected to the inner wall of the housing (1), and the sliding plate (31) is located between the two blocks (5) and contacts with the inner side walls of the two blocks (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911395120.5A CN111092629A (en) | 2019-12-30 | 2019-12-30 | Radio frequency wireless communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911395120.5A CN111092629A (en) | 2019-12-30 | 2019-12-30 | Radio frequency wireless communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111092629A true CN111092629A (en) | 2020-05-01 |
Family
ID=70398324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911395120.5A Withdrawn CN111092629A (en) | 2019-12-30 | 2019-12-30 | Radio frequency wireless communication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111092629A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116743202A (en) * | 2023-07-18 | 2023-09-12 | 湖北雷克斯智能技术有限公司 | Signal receiving and transmitting device |
-
2019
- 2019-12-30 CN CN201911395120.5A patent/CN111092629A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116743202A (en) * | 2023-07-18 | 2023-09-12 | 湖北雷克斯智能技术有限公司 | Signal receiving and transmitting device |
| CN116743202B (en) * | 2023-07-18 | 2024-04-09 | 湖北雷克斯智能技术有限公司 | Signal receiving and transmitting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200501 |
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| WW01 | Invention patent application withdrawn after publication |