CN212811916U - Carrier demodulator for short-distance wireless communication - Google Patents
Carrier demodulator for short-distance wireless communication Download PDFInfo
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- CN212811916U CN212811916U CN202022214917.5U CN202022214917U CN212811916U CN 212811916 U CN212811916 U CN 212811916U CN 202022214917 U CN202022214917 U CN 202022214917U CN 212811916 U CN212811916 U CN 212811916U
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- carrier demodulator
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Abstract
The utility model discloses a carrier wave demodulator for short range wireless communication, including the carrier wave demodulator main part, carrier wave demodulator main part top is provided with the top cap, the carrier wave demodulator main part openly is provided with the pilot lamp, a carrier wave demodulator main part side is provided with portable handle, the inside power that is provided with of carrier wave demodulator main part, the bottom of carrier wave demodulator main part another side is provided with the mouth that charges, power carrier wave demodulator main part openly is close to half of power and inlays and have dustproof radiator-grid, top cap inner wall symmetry is provided with the slide, the positive symmetry of top cap is provided with the fixed block, the inside M shape push pedal that is provided with of fixed block, the one end that the fixed block was extended in M shape push pedal is provided with. This a carrier wave demodulator for short-range wireless communication is through setting up slide, spout, top cap, carrier wave demodulator main part, fixed block, M shape push pedal, spring, dustproof radiator-grid and mutually supporting, can reach and dismantle the convenience, increase the purpose of service life.
Description
Technical Field
The utility model relates to a demodulator technical field specifically is a carrier wave demodulator for short range wireless communication.
Background
The frequency range of the speech of a common person is 300-3400 Hz, in order to transmit voice signals in a common telephone system, a certain bandwidth is distributed to the voice signals on a line, the international standard takes 4KHz as the frequency bandwidth occupied by a standard voice channel, and in the transmission process: the speech signal is input at 300-3400 Hz frequency, the telephone set of the sender converts the speech signal into an analog signal, the analog signal is changed by a frequency division multiplexer, so that a plurality of paths of analog signals can be transmitted on the line at the same time, the analog signal in the original frequency range is restored by a frequency demodulation process after reaching the receiving end, and then the analog signal is converted into a sound signal by the telephone set of the receiver, which is the principle of a demodulator.
The prior art has the following defects or problems:
1. the existing equipment basically fixes and seals the demodulator through the connection of bolts so as to prevent the damage of internal components, but because the equipment runs for a long time and needs to be maintained, some internal components need to be replaced when necessary, the equipment is fixed through the bolts and is not convenient to detach, and the efficiency is influenced;
2. the external type is placed outside the case, is connected with the host computer through the serial communication port, has convenient dexterous, easily installed characteristics, and the operating condition is convenient for watch on to the pilot lamp of scintillation, but external needs use extra power and cable can produce a large amount of heat energy, and current equipment often dispels the heat through simple louvre, and the effect is not good and can't avoid the dust to get into, reduces the service life of inside components and parts.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a carrier wave demodulator for close range wireless communication to reach and dismantle the convenience, increase the purpose of service life.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a carrier wave demodulator for short-range wireless communication, includes the carrier wave demodulator main part, carrier wave demodulator main part top is provided with the top cap, the carrier wave demodulator main part openly is provided with the pilot lamp, a carrier wave demodulator main part side is provided with portable handle, the inside power that is provided with of carrier wave demodulator main part, the bottom of carrier wave demodulator main part another side is provided with the mouth that charges, the power carrier wave demodulator main part openly is close to half of power and inlays and have dustproof radiator-grid, top cap inner wall symmetry is provided with the slide, the positive symmetry of top cap is provided with the fixed block, the inside M shape push pedal that is provided with of fixed block, the one end that the fixed block was extended in M shape push pedal is provided with the limiting plate, M shape push pedal space department is provided with the spring.
As the utility model discloses an optimal technical scheme, slide and spout phase-match, top cap and slide welding, the top cap passes through slide and carrier wave demodulator main part sliding connection.
As the preferred technical scheme of the utility model, portable handle and carrier wave demodulator main part fixed connection.
As the utility model discloses an optimal technical scheme, the power with charge mouthful electric connection.
As the utility model discloses a preferred technical scheme, dustproof radiator-grid inlays openly at the carrier wave demodulator main part.
As the utility model discloses an preferred technical scheme, two fixed block and top cap welding, M shape push pedal and fixed block sliding connection, the quantity of limiting plate is three, three the three port welding that the fixed block was stretched out with M shape push pedal respectively to the limiting plate.
As the utility model discloses an optimal technical scheme, spring one end and fixed block welding, the spring other end and the welding of M shape push pedal, M shape push pedal passes through spring and fixed block elastic connection.
Compared with the prior art, the utility model provides a carrier wave demodulator for short range wireless communication possesses following beneficial effect:
1. the carrier demodulator for the short-distance wireless communication is characterized in that the sliding plate is matched with the sliding groove, the top cover is welded with the sliding plate, the top cover is connected with the carrier demodulator body in a sliding mode through the sliding plate, the top cover and the carrier demodulator body can slide, the top cover and the carrier demodulator body are matched with each other through the fixing block, the M-shaped push plates and the springs, the two M-shaped push plates move oppositely under the action of the springs to fix the top cover, when the top cover needs to be detached, the springs are compressed only through pressing the M-shaped push plates, then the top cover moves reversely through the sliding plate, bolts do not need to be detached, and maintenance efficiency is;
2. this a carrier wave demodulator for radio communication closely inlays openly at carrier wave demodulator main part through setting up dustproof radiator-grid to realize that the heat and the dustproof radiator-grid that power work distributed out have dustproof function, avoided the dust to get into the inside damage to inside components and parts of carrier wave demodulator main part, indirectly increased the service life of equipment.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a left side view of the structure of the present invention;
FIG. 3 is a schematic view of the M-shaped push plate structure of the present invention;
fig. 4 is a schematic view of the fixing block structure of the present invention.
In the figure: 1. a carrier demodulator body; 2. a top cover; 3. an indicator light; 4. a carrying handle; 5. a power source; 6. a charging port; 7. a dustproof heat dissipation net; 8. a slide plate; 9. a fixed block; 10. an M-shaped push plate; 11. a limiting plate; 12. a spring; 13. a chute.
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 work belong to the protection scope of the present invention.
Referring to fig. 1-4, in this embodiment: the utility model provides a carrier wave demodulator for short-range wireless communication, including carrier wave demodulator main part 1, 1 top of carrier wave demodulator main part is provided with top cap 2, 1 front of carrier wave demodulator main part is provided with pilot lamp 3, 1 side of carrier wave demodulator main part is provided with portable handle 4, 1 inside power 5 that is provided with of carrier wave demodulator main part, the bottom of 1 another side of carrier wave demodulator main part is provided with charging mouth 6, the positive half part that is close to power 5 of power 5 carrier wave demodulator main part 1 is inlayed and is had dustproof radiator- grid 7, 2 inner wall symmetries of top cap are provided with slide 8, 2 front symmetries of top cap are provided with fixed block 9, the inside M shape push pedal 10 that is provided with of fixed block 9, the one end that M shape push pedal 10 extends fixed block 9 is provided with limiting plate 11, M shape push pedal 10 space department is provided. The sliding plate 8 is matched with the sliding groove 13, the top cover 2 is welded with the sliding plate 8, the top cover 2 is in sliding connection with the carrier demodulator main body 1 through the sliding plate 8, the top cover 2 and the carrier demodulator main body 1 can slide, the fixing block 9, the M-shaped push plate 10 and the spring 12 are matched with each other, the two M-shaped push plates 10 move oppositely under the action of the spring 12 to fix the top cover 2, when the top cover 2 needs to be detached, the spring 12 is compressed only by pressing the M-shaped push plate 10, then the top cover 2 is moved reversely through the sliding plate 8, bolts do not need to be detached, and maintenance efficiency is improved; inlay at carrier wave demodulator main part 1 openly through setting up dustproof radiator-grid 7 to realize that 5 work of power give out heat and dustproof radiator-grid 7 have dustproof function, avoided the dust to get into 1 inside damage to inside components and parts of carrier wave demodulator main part, indirectly increased the life of equipment.
In this embodiment, the sliding plate 8 is matched with the sliding groove 13, the top cover 2 is welded to the sliding plate 8, and the top cover 2 is slidably connected to the carrier demodulator body 1 through the sliding plate 8, so that the top cover 2 and the carrier demodulator body 1 can slide; the portable handle 4 is fixedly connected with the carrier demodulator main body 1, so that the carrier demodulator main body 1 can move conveniently; the power supply 5 is electrically connected with the charging port 6, so that power supply of the equipment is realized; the dustproof heat dissipation net 7 is embedded in the front of the carrier demodulator main body 1, so that heat emitted by the power supply 5 during working is realized, the dustproof heat dissipation net 7 has a dustproof function, dust is prevented from entering the carrier demodulator main body 1 to damage internal components, and the service life of equipment is indirectly prolonged; two fixed block 9 and top cap 2 welding, M shape push pedal 10 and fixed block 9 sliding connection, the quantity of limiting plate 11 is three, three limiting plate 11 stretches out the three port welding of fixed block 9 with M shape push pedal 10 respectively, spring 12 one end and fixed block 9 welding, the spring 12 other end and M shape push pedal 10 welding, M shape push pedal 10 passes through spring 12 and fixed block 9 elastic connection, through fixed block 9, M shape push pedal 10, spring 12 mutually supports, two M shape push pedal 10 move in opposite directions under the effect of spring 12, fix top cap 2, when needs demolish top cap 2, only compress spring 12 through pressing M shape push pedal 10, again with top cap 2 through 8 reverse movements of slide can, needn't dismantle the bolt, maintenance efficiency has been increased.
The utility model discloses a theory of operation and use flow: the sliding plate 8 is matched with the sliding groove 13, the top cover 2 is welded with the sliding plate 8, the top cover 2 is in sliding connection with the carrier demodulator main body 1 through the sliding plate 8, the top cover 2 and the carrier demodulator main body 1 can slide, the fixing block 9, the M-shaped push plate 10 and the spring 12 are matched with each other, the two M-shaped push plates 10 move oppositely under the action of the spring 12 to fix the top cover 2, when the top cover 2 needs to be detached, the spring 12 is compressed only by pressing the M-shaped push plate 10, then the top cover 2 is moved reversely through the sliding plate 8, bolts do not need to be detached, and maintenance efficiency is improved; inlay at carrier wave demodulator main part 1 openly through setting up dustproof radiator-grid 7 to realize that 5 work of power give out heat and dustproof radiator-grid 7 have dustproof function, avoided the dust to get into 1 inside damage to inside components and parts of carrier wave demodulator main part, indirectly increased the life of equipment.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A carrier demodulator for short-range wireless communication, characterized by: comprises a carrier demodulator main body (1), a top cover (2) is arranged at the top of the carrier demodulator main body (1), an indicator lamp (3) is arranged on the front side of the carrier demodulator main body (1), a portable handle (4) is arranged on one side of the carrier demodulator main body (1), a power supply (5) is arranged in the carrier demodulator main body (1), a charging port (6) is arranged at the bottom of the other side of the carrier demodulator main body (1), a dustproof radiating net (7) is embedded in the half part of the carrier demodulator main body (1) which is close to the power supply (5) in front, sliding plates (8) are symmetrically arranged on the inner wall of the top cover (2), fixed blocks (9) are symmetrically arranged on the front side of the top cover (2), M-shaped push plates (10) are arranged in the fixed blocks (9), and limiting plates (11) are arranged at the ends of the M-shaped push plates (10, the M-shaped push plate (10) is provided with a spring (12) in the gap, and a sliding groove (13) is formed in the joint of the carrier demodulator main body (1) and the top cover (2).
2. A carrier demodulator for short-range wireless communication according to claim 1, characterized in that: slide (8) and spout (13) phase-match, top cap (2) and slide (8) welding, top cap (2) pass through slide (8) and carrier demodulator main part (1) sliding connection.
3. A carrier demodulator for short-range wireless communication according to claim 1, characterized in that: the portable handle (4) is fixedly connected with the carrier demodulator main body (1).
4. A carrier demodulator for short-range wireless communication according to claim 1, characterized in that: the power supply (5) is electrically connected with the charging port (6).
5. A carrier demodulator for short-range wireless communication according to claim 1, characterized in that: the dustproof heat dissipation net (7) is embedded in the front of the carrier demodulator main body (1).
6. A carrier demodulator for short-range wireless communication according to claim 1, characterized in that: two fixed block (9) and top cap (2) welding, M shape push pedal (10) and fixed block (9) sliding connection, the quantity of limiting plate (11) is three, three limiting plate (11) stretches out the three port welding of fixed block (9) with M shape push pedal (10) respectively.
7. A carrier demodulator for short-range wireless communication according to claim 1, characterized in that: one end of the spring (12) is welded with the fixing block (9), the other end of the spring (12) is welded with the M-shaped push plate (10), and the M-shaped push plate (10) is elastically connected with the fixing block (9) through the spring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022214917.5U CN212811916U (en) | 2020-09-30 | 2020-09-30 | Carrier demodulator for short-distance wireless communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022214917.5U CN212811916U (en) | 2020-09-30 | 2020-09-30 | Carrier demodulator for short-distance wireless communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212811916U true CN212811916U (en) | 2021-03-26 |
Family
ID=75090649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022214917.5U Active CN212811916U (en) | 2020-09-30 | 2020-09-30 | Carrier demodulator for short-distance wireless communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212811916U (en) |
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2020
- 2020-09-30 CN CN202022214917.5U patent/CN212811916U/en active Active
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