CN209692749U - Wireless TDS display device - Google Patents
Wireless TDS display device Download PDFInfo
- Publication number
- CN209692749U CN209692749U CN201920834995.XU CN201920834995U CN209692749U CN 209692749 U CN209692749 U CN 209692749U CN 201920834995 U CN201920834995 U CN 201920834995U CN 209692749 U CN209692749 U CN 209692749U
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- power amplifier
- receiver
- antenna
- mcu
- transmitter
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Abstract
The utility model discloses a kind of wireless TDS display device, includes the transmitter and receiver being separated from each other；Transmitter includes the first MCU, the first ADC digital analog converter, RF transmitting module, the first PA power amplifier and first antenna；Receiver includes the 2nd MCU, the 2nd ADC digital analog converter, RF receiving module, the 2nd PA power amplifier, the second antenna and display screen, second antenna is connect with first antenna pairing wireless telecommunications and the second antenna connects the 2nd PA power amplifier, which connects the 2nd PA power amplifier.Transmitter and receiver are used by cooperation, receiver and transmitter are wirelessly connected, it is in 2-3 meters in effective operating distance, the data of water purifier can be obtained using transmitter, then it is transmitted on receiver by way of wireless transmission, and shown by the display screen on receiver, facilitate user to check, understands the situation of machine at any time.
Description
Technical field
The utility model relates to purifier field technologies, refer in particular to a kind of wireless TDS display device.
Background technique
TDS: total dissolved solidss (English: Total dissolved solids, abridge TDS), also known as soluble solid is total
Amount, measurement unit are mg/litre (mg/L), it shows in 1 liter of water dissolved with how many milligrams of soluble solids.
Current water purifier generally has TDS display function, however, since water purifier is mounted under kitchen, so that user is not
Convenient for checking TDS numerical value.Therefore, it is necessary to study a kind of schemes to solve the above problems.
Utility model content
In view of this, the utility model is in view of the existing deficiencies of the prior art, main purpose is to provide a kind of wireless TDS
Display device can effectively solve existing water purifier TDS numerical value and be not easy to the problem of user checks.
To achieve the above object, the utility model is using following technical solution:
A kind of wireless TDS display device includes the transmitter and receiver being separated from each other；Transmitter includes first
MCU, the first ADC digital analog converter, RF transmitting module, the first PA power amplifier and first antenna, the first ADC digital-to-analogue conversion
Device and RF transmitting module are all connected with the first MCU, and the first PA power amplifier connects RF transmitting module, first antenna connection the
One PA power amplifier；Receiver includes that the 2nd MCU, the 2nd ADC digital analog converter, RF receiving module, the 2nd PA power are put
Big device, the second antenna and display screen, the 2nd ADC digital analog converter and RF receiving module are all connected with the 2nd MCU, the 2nd PA function
Rate amplifier connects RF receiving module, which connect with first antenna pairing wireless telecommunications and the second antenna connection second
PA power amplifier, the display screen connect the 2nd PA power amplifier.
Preferably, the first MCU also includes the first FLASH and the first SDRAM.
Preferably, the 2nd MCU also includes the 2nd FLASH and the 2nd SDRAM.
The utility model has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technology
Known to scheme:
Transmitter and receiver are used by cooperation, receiver and transmitter are wirelessly connected, and are in effective operating distance
In 2-3 meters, the data of water purifier can be obtained using transmitter, are then transmitted on receiver by way of wireless transmission, and
It is shown by the display screen on receiver, user is facilitated to check, understand the situation of machine at any time.
For the structure feature and effect for more clearly illustrating the utility model, come with reference to the accompanying drawing with specific embodiment pair
The utility model is described in detail.
Detailed description of the invention
Fig. 1 is the electrical block diagram of the preferred embodiment of the utility model.
Description of drawing identification:
10, transmitter 11, the first MCU
12, the first ADC digital analog converter 13, RF transmitting module
14, the first PA power amplifier 15, first antenna
16, the first FLASH 17, the first SDRAM
20, receiver 21, the 2nd MCU
22, the 2nd ADC digital analog converter 23, RF receiving module
24, the 2nd PA power amplifier 25, the second antenna
26, display screen 27, the 2nd FLASH
28, the 2nd SDRAM
Specific embodiment
It please refers to shown in Fig. 1, includes to divide each other that show the specific structure of the preferred embodiment of the utility model
From transmitter 10 and receiver 20, effective operating distance is 2-3 meters.
The transmitter 10 includes the first MCU 11, the first ADC digital analog converter 12, RF transmitting module 13, the first PA function
Rate amplifier 14 and first antenna 15, the first ADC digital analog converter 12 and RF transmitting module 13 are all connected with the first MCU 11, should
First PA power amplifier 14 connects RF transmitting module 13, which connects the first PA power amplifier 14.In this reality
It applies in example, the first MCU11 is that ARM handles chip, and the first MCU 11 also includes the first FLASH 16 and the first SDRAM
17, the first FLASH 16 and the first SDRAM 17 are used to storing data.
The receiver 20 includes the 2nd MCU 21, the 2nd ADC digital analog converter 22, RF receiving module 23, the 2nd PA function
Rate amplifier 24, the second antenna 25 and display screen 26, the 2nd ADC digital analog converter 22 and RF receiving module 23 are all connected with second
MCU 21, the 2nd PA power amplifier 24 connect RF receiving module 23, and second antenna 25 and first antenna 15 are matched wirelessly
Communication connection and the second antenna 25 connect the 2nd PA power amplifier 24, which connects the 2nd PA power amplifier 22,
20 internal battery of receiver, no key have a backlight, and battery can be interrupted using being no less than total time 200 hours.In the present embodiment
In, the 2nd MCU21 is that ARM handles chip, and the 2nd MCU 21 also includes the 2nd FLASH 27 and the 2nd SDRAM 28, should
2nd FLASH 27 and the 2nd SDRAM 28 are used to storing data.
The working principle that the present embodiment is described in detail is as follows:
When work, the oneth ADC digital analog converter 12 of the first MCU 11 of transmitter 10 passes through winding displacement and Spirit machine master
Plate connection, continued by COM PORT the raw water and water inlet in read machine mainboard TDS value (unit US/CM, mainboard lead to
Cross the value for reading TDS inductive probe), and wake up receiver 20 when machine tap is opened and transmit TDS numerical value, in machine water
Faucet stops transmitting numerical value to receiver 20 when closing, and receiver 20 subsequently enters sleep pattern.
Specifically: numerical value carries out data conversion after reading, by the first ADC digital analog converter 12, and then data are successively
By the first MCU11, RF transmitting module 13 and after crossing the amplification of the first PA power amplifier 14, via first antenna 15 to outgoing
It penetrates；After the second antenna 25 receives data, amplify via the 2nd PA power amplifier 24, then in turn through RF receiving module
23, it is shown after the 2nd MCU 21 and the conversion of the 2nd ADC digital analog converter 22 by display screen 26.
The design focal point of the utility model is: using transmitter and receiver by cooperation, receiver is wireless with transmitter
Connection, is that can be obtained the data of water purifier using transmitter in 2-3 meters in effective operating distance, then passes through wireless transmission
Mode be transmitted on receiver, and shown by the display screen on receiver, user facilitated to check, understand the shape of machine at any time
Condition.
Technical principle of the utility model has been described above with reference to specific embodiments.These descriptions are intended merely to explain this reality
With novel principle, and it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on the explanation herein,
Those skilled in the art, which does not need to pay for creative labor, can associate with other specific implementation modes of this utility model,
These modes are fallen within the protection scope of the utility model.
Claims (3)
1. a kind of wireless TDS display device, it is characterised in that: include the transmitter and receiver being separated from each other；Transmitter packet
The first MCU, the first ADC digital analog converter, RF transmitting module, the first PA power amplifier and first antenna, the first ADC are included
Digital analog converter and RF transmitting module are all connected with the first MCU, and the first PA power amplifier connects RF transmitting module, this is first day
Line connects the first PA power amplifier；Receiver includes the 2nd MCU, the 2nd ADC digital analog converter, RF receiving module, second
PA power amplifier, the second antenna and display screen, the 2nd ADC digital analog converter and RF receiving module are all connected with the 2nd MCU, should
2nd PA power amplifier connects RF receiving module, which connect with first antenna pairing wireless telecommunications and the second antenna
The 2nd PA power amplifier is connected, which connects the 2nd PA power amplifier.
2. wireless TDS display device as described in claim 1, it is characterised in that: the first MCU also includes the first FLASH
With the first SDRAM.
3. wireless TDS display device as described in claim 1, it is characterised in that: the 2nd MCU also includes the 2nd FLASH
With the 2nd SDRAM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920834995.XU CN209692749U (en) | 2019-06-04 | 2019-06-04 | Wireless TDS display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920834995.XU CN209692749U (en) | 2019-06-04 | 2019-06-04 | Wireless TDS display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209692749U true CN209692749U (en) | 2019-11-26 |
Family
ID=68609419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920834995.XU Active CN209692749U (en) | 2019-06-04 | 2019-06-04 | Wireless TDS display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209692749U (en) |
-
2019
- 2019-06-04 CN CN201920834995.XU patent/CN209692749U/en active Active
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| GR01 | Patent grant |