CN209545563U - A kind of UHF wireless transmitter that band LCD is shown - Google Patents
A kind of UHF wireless transmitter that band LCD is shown Download PDFInfo
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- CN209545563U CN209545563U CN201920244502.7U CN201920244502U CN209545563U CN 209545563 U CN209545563 U CN 209545563U CN 201920244502 U CN201920244502 U CN 201920244502U CN 209545563 U CN209545563 U CN 209545563U
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Abstract
The utility model will disclose a kind of UHF wireless transmitter that band LCD is shown, include LC frequency-selective network module, UHF wireless transmission chip, MCU, LCD drive module and LCD display, the LC frequency-selective network module connects UHF wireless transmission chip, UHF wireless transmission chip is also connected with MCU, MCU is also connected with LCD drive module, and LCD drive module is also connected with LCD display, and the utility model is small in size with the UHF wireless transmitter that LCD is shown, reception is good, easy to use.
Description
Technical field
The utility model will be related to signal transmission technology field, the UHF wireless transmitter that specifically a kind of band LCD is shown.
Background technique
UHF typically refers to UHF radio waves.Superfrequency Ultra High Frequency (UHF) refers to that frequency is
300~3000MHz, radio wave of the wavelength in 1m~1dm.The radio wave of the wave band is also known as decimetric wave.
Signal generator is a kind of to provide various frequencies, the equipment of waveform and output level electric signal.It is various measuring
When the amplitude response of telecommunication system or telecommunication apparatus, frequency characteristic, transmission characteristic and other electrical parameters, and measurement component
When characteristic and parameter, signal source or driving source as test.Signal generator is also known as signal source or oscillator, in production practices
It has a wide range of applications in sciemtifec and technical sphere.Various wavy curves can be indicated with trigonometric function equation.It can generate
Multiple waveforms, as the circuit of triangular wave, sawtooth wave, rectangular wave (containing square wave), sine wave is referred to as function signal generator.
Not only volume is big for common UHF wireless transmitter, but also use is very inconvenient, therefore has much room for improvement.
Utility model is by content
The utility model by be designed to provide a kind of UHF wireless transmitter that band LCD is shown, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model will provide the following technical solutions:
A kind of UHF wireless transmitter that band LCD is shown, comprising LC frequency-selective network module, UHF wireless transmission chip, MCU,
LCD drive module and LCD display, the LC frequency-selective network module connect UHF wireless transmission chip, UHF wireless transmission chip
It is also connected with MCU, MCU is also connected with LCD drive module, and LCD drive module is also connected with LCD display.
As the utility model by further technical solution: further include the power unit for power supply, power unit by
AA alkaline battery and DC-DC boost module composition, AA alkaline battery connect DC-DC boost module composition, DC-DC boost module
Model HX3002.
As the utility model by further technical solution: be also connected with power key on the MCU and to code key.
As the utility model by further technical solution: the model BK9521 of the UHF wireless receiving chip.
As the utility model by further technical solution: the model SN8F5703X of the operation MCU, LCD driving
The model TM1621 of module.
Compared with prior art, the utility model has the beneficial effects that the utility model is wirelessly sent out with the UHF that LCD is shown
Emitter is small in size, and signal launching effect is good, easy to use.
Detailed description of the invention
Fig. 1 is the overall block diagram of the utility model.
Fig. 2 is the structure chart of the utility model.
In figure: 1- battery cover, 2- eyeglass, 3- key, 4- face-piece lid, 5- display screen, 6- touch-switch tri- needles of A, 7- are mini
Card, 8- fixture nut, 9- antenna, 10- key, 11- top cover, 12- bottom case, 13- buckle, 14- cell piece A, 15- cell piece B,
16- touch-switch B, 17- light-guiding pillar, 18- positioning column, 19- battery compartment.
Specific embodiment
Below in conjunction with the utility model by the attached drawing in embodiment, to the utility model by the technical solution in embodiment
It being clearly and completely described, it is clear that described embodiment is only the utility model by a part of the embodiment, rather than
Whole embodiments.Embodiment based on the utility model by, those of ordinary skill in the art are not making creative labor
Every other embodiment obtained under the premise of dynamic, belongs to range of the utility model by protection.
Embodiment 1: referring to Fig. 1, a kind of UHF wireless transmitter that band LCD is shown, includes LC frequency-selective network module, UHF
Wireless transmission chip, MCU, LCD drive module and LCD display, the LC frequency-selective network module connect UHF wireless transmission core
Piece, UHF wireless transmission chip are also connected with MCU, and MCU controls UHF wireless transmission chip and sends UHF letter to LC frequency-selective network module
Number, it is connected with antenna in LC frequency-selective network module, UHF signal can be emitted, and signal also passes through LC frequency-selecting net before transmission
Network module carries out frequency-selecting processing, and MCU is also connected with LCD drive module, and LCD drive module is also connected with LCD display.It can pass through
LCD display checks that signal emits situation.
The design further includes the power unit for power supply simultaneously, and power unit is by AA alkaline battery and DC-DC boosting mould
Block composition, AA alkaline battery connect DC-DC boost module composition, the model HX3002 of DC-DC boost module.Also connect on MCU
It is connected to power key and to code key.The model BK9521 of UHF wireless receiving chip.The model SN8F5703X, LCD of operation MCU
The model TM1621 of drive module.
Embodiment 2, on the basis of embodiment 1, Fig. 2 are a kind of structural schematic diagram of the design, by battery cover 1, eyeglass
2, the mini Card 7 of key 3, face-piece lid 4, display screen 5, touch-switch A6, three needles, fixture nut 8, antenna 9, key 10, top cover
11, bottom case 12, buckle 13, cell piece A14, cell piece B15, touch-switch B16, light-guiding pillar 17, positioning column 18 and battery compartment 19
Composition, face-piece lid 4, top cover 11 and bottom case 12 form shell, and shell is equipped with battery cover 1.Enclosure interior is equipped with battery compartment 19, electricity
Cell piece 14 is equipped with inside pond storehouse 19, top cover 11 is equipped with the mini Card 7 of three needles, fixture nut 8, antenna 9, key 10, shell
Inside is equipped with display screen 5, and display screen 5 is equipped with touch-switch A6, touch-switch B16 and cell piece B15, is equipped on the inside of bottom case 12
Positioning column 18, hull outside are equipped with buckle 13, and the receiver supported through this structure is small in size, easy to carry.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment,
And without departing substantially from the utility model by spirit or essential attributes in the case where, can realize this reality in other specific forms
It is incited somebody to action with novel.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this
Utility model by range be indicated by the appended claims rather than the foregoing description, it is intended that being equal for claim, will be fallen in
All changes in the meaning and scope of important document are included will be interior in the utility model.It should not be by any attached drawing mark in claim
Note is construed as limiting the claims involved.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of UHF wireless transmitter that band LCD is shown includes LC frequency-selective network module, UHF wireless transmission chip, MCU, LCD
Drive module and LCD display, which is characterized in that the LC frequency-selective network module connects UHF wireless transmission chip, and UHF is wireless
Transmitting chip is also connected with MCU, and MCU is also connected with LCD drive module, and LCD drive module is also connected with LCD display.
2. a kind of UHF wireless transmitter that band LCD is shown according to claim 1, which is characterized in that further include for supplying
The power unit of electricity, power unit are made of AA alkaline battery and DC-DC boost module, and AA alkaline battery connects DC-DC boosting
Module composition, the model HX3002 of DC-DC boost module.
3. a kind of UHF wireless transmitter that band LCD is shown according to claim 1, which is characterized in that on the MCU also
It is connected with power key and to code key.
4. a kind of UHF wireless transmitter that band LCD is shown according to claim 1 to 3, which is characterized in that described
The model BK9521 of UHF wireless receiving chip.
5. a kind of UHF wireless transmitter that band LCD is shown according to claim 4, which is characterized in that the type of the MCU
Number be SN8F5703X, the model TM1621 of LCD drive module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920244502.7U CN209545563U (en) | 2019-02-27 | 2019-02-27 | A kind of UHF wireless transmitter that band LCD is shown |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920244502.7U CN209545563U (en) | 2019-02-27 | 2019-02-27 | A kind of UHF wireless transmitter that band LCD is shown |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209545563U true CN209545563U (en) | 2019-10-25 |
Family
ID=68274171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920244502.7U Active CN209545563U (en) | 2019-02-27 | 2019-02-27 | A kind of UHF wireless transmitter that band LCD is shown |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209545563U (en) |
-
2019
- 2019-02-27 CN CN201920244502.7U patent/CN209545563U/en active Active
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