CN212110386U - Wireless temperature measurement module - Google Patents
Wireless temperature measurement module Download PDFInfo
- Publication number
- CN212110386U CN212110386U CN202020760619.3U CN202020760619U CN212110386U CN 212110386 U CN212110386 U CN 212110386U CN 202020760619 U CN202020760619 U CN 202020760619U CN 212110386 U CN212110386 U CN 212110386U
- Authority
- CN
- China
- Prior art keywords
- temperature
- microcontroller
- receiving
- coil
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a wireless temperature measurement module, which comprises a main control transmitting module and a temperature acquisition module; the main control transmitting module comprises a temperature receiving microcontroller and a transmitting coil, and the temperature receiving microcontroller is connected with a power supply; a resonant circuit and a decoding circuit are connected between the temperature receiving microcontroller and the transmitting coil; the temperature receiving microcontroller is connected with external equipment through temperature data serial port output; the temperature acquisition module comprises a temperature acquisition microcontroller and a receiving coil; the temperature acquisition microcontroller is provided with two AD ports for signal acquisition; a rectifying circuit and a modulating circuit are connected between the temperature acquisition microcontroller and the receiving coil; the utility model discloses can realize wireless temperature measurement and wireless power supply, the secondary development is more convenient for the express delivery simultaneously, extensive applicability, and portability is good.
Description
Technical Field
The utility model belongs to the technical field of wireless detection circuitry, specifically be a wireless temperature measurement module.
Background
In some small household appliance consumer electronics products which need temperature measurement, due to the structural reasons of some products, such as a heating body and a heating body are two separated parts, measurement is inconvenient through a wired temperature measurement mode, some products can only stay at a low-grade level, and if a temperature measurement device is added, intelligent temperature control can be further realized only by measuring the temperature of the current measured body in real time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at above problem, provide a wireless temperature measurement module, it can realize wireless temperature measurement and wireless power supply, and secondary development is more convenient for the express delivery simultaneously, extensive applicability, and portability is good.
In order to realize the above purpose, the utility model adopts the technical scheme that: a wireless temperature measurement module comprises a main control transmitting module and a temperature acquisition module; the main control transmitting module comprises a temperature receiving microcontroller and a transmitting coil, and the temperature receiving microcontroller is connected with a power supply; a resonance circuit and a decoding circuit for signal demodulation are connected between the temperature receiving microcontroller and the transmitting coil; the temperature receiving microcontroller is connected with external equipment through temperature data serial port output; the temperature acquisition module comprises a temperature acquisition microcontroller and a receiving coil; the temperature acquisition microcontroller is provided with 2 AD ports for signal acquisition; a rectifying circuit for supplying power is connected between the temperature acquisition microcontroller and the receiving coil, and the receiving coil is connected with the temperature acquisition microcontroller through a modulation circuit; and the transmitting coil and the receiving coil are wirelessly connected.
Furthermore, the temperature receiving microcontroller is MCU-BJEC071 in model number, and has a main frequency of 16M, 2 groups of 16-bit complementary PWM, and more than 2 AD ports.
Furthermore, the temperature acquisition microcontroller is MCU-BJEC072 in model, has a main frequency of 8M and more than 3 AD ports.
Further, the temperature acquisition microcontroller is connected with an NTC thermistor through an AD port for signal acquisition.
Further, the transmitting coil and the receiving coil are PCB coils.
Furthermore, the temperature receiving microcontroller is connected with an indicator light for displaying the current working state.
The utility model has the advantages that:
1. the utility model discloses the device during operation, the wireless power supply technique of master control emission module application realizes supplying power to temperature acquisition module, and temperature acquisition module utilizes QI communication protocol mode to modulate data information such as the temperature of gathering, sends master control emission module to, and master control emission module rethread serial ports sends temperature information for external equipment, realizes wireless temperature measurement and relevant data acquisition.
2. The utility model discloses well master control transmitting module and temperature acquisition module all adopt the PCB coil, need not outer wiring circle, can practice thrift the cost for the product.
3. The utility model adopts the module forming mode, and can express the secondary development conveniently; meanwhile, the principle is simple, the applicability is wide, and the transportability is good.
Drawings
Fig. 1 is a schematic block diagram of the device of the present invention.
Fig. 2 is a schematic block diagram of the middle master control transmitting module of the present invention.
Fig. 3 is a schematic block diagram of the middle temperature acquisition module of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.
As shown in fig. 1-3, the specific structure of the present invention is: a wireless temperature measurement module comprises a main control transmitting module and a temperature acquisition module; the main control transmitting module comprises a temperature receiving microcontroller and a transmitting coil, and the temperature receiving microcontroller is connected with a power supply; a resonance circuit and a decoding circuit for signal demodulation are connected between the temperature receiving microcontroller and the transmitting coil; the temperature receiving microcontroller is connected with external equipment through temperature data serial port output; the temperature acquisition module comprises a temperature acquisition microcontroller and a receiving coil; the temperature acquisition microcontroller is provided with 2 AD ports for signal acquisition; a rectifying circuit for supplying power is connected between the temperature acquisition microcontroller and the receiving coil, and the receiving coil is connected with the temperature acquisition microcontroller through a modulation circuit; and the transmitting coil and the receiving coil are wirelessly connected.
Preferably, the temperature receiving microcontroller is MCU-BJEC071 in model number, and has a main frequency of 16M, 2 groups of 16-bit complementary PWM, and more than 2 AD ports.
Preferably, the temperature acquisition microcontroller is MCU-BJEC072 in model number, has a main frequency of 8M and has more than 3 AD ports.
Preferably, the temperature acquisition microcontroller is connected with an NTC thermistor through an AD port for signal acquisition.
Preferably, the transmitting coil and the receiving coil are PCB coils.
Preferably, the temperature receiving microcontroller is connected with an indicator light for displaying the current working state.
When the device works, the wireless communication mode between the master control transmitting module and the temperature acquisition module is a standard QI protocol mode, and the device is one-way communication from a wireless receiving end to a wireless transmitting end through backscatter modulation, requires the transmitting end to transmit corresponding power according to the load condition of the receiving end, and can also transmit equipment information and some additional information of the receiving end. In the wireless temperature measurement module, the temperature acquisition end transmits the acquired temperature value to the main control transmitting module in real time by using the communication mode, and the MCU-BJEC071 of the transmitting module transmits the temperature value to the external equipment through the serial port.
The main control transmitting module: the main control transmitting module is shown in fig. 2. MCU-BJEC071 main resources: the main frequency 16M has 2 groups of 16-bit complementary PWM and more than 2 AD ports. The 2 groups of complementary PWM connection resonance circuits transmit power signals out through the transmitting coil, the decoding circuit is connected with the transmitting coil, information modulated by the receiving coil is demodulated, and then data are sent to the BJEC071, so that one-way communication between the main control MCU-BJEC071 and the temperature acquisition module end MCU-BJEC072 is realized. The temperature data or other data is then output to an external device via a serial port. And indicates the current operating state through the indicator light. The transmitting coil is realized by a PCB coil mode, and an external wiring coil is not needed, so that the cost can be saved.
A temperature acquisition module: the temperature acquisition module is shown in fig. 3. MCU-BJEC072 main resources: main frequency 8M, more than 3 AD ports. The receiving coil of the temperature acquisition module obtains the energy that transmitting coil transmitted through the electromagnetic induction mode, give whole temperature acquisition module power supply through rectifier circuit, 2 AD mouths of MCU-BJEC072 gather the AD signal of outside 2 way temperatures respectively, the AD signal is not restricted to temperature signal, can extend to humidity signal, all analog signal such as water level detection, can also be switching signal etc. all can change into AD value, transmit data information to the transmitting coil through receiving coil through modulation circuit. The receiving coil is also realized in a PCB coil mode, and an external wiring coil is not needed, so that the cost can be saved.
When the master control transmitting module and the temperature acquisition module are installed, due to communication between the master control transmitting module and the temperature acquisition module, the temperature acquisition module can be actually embodied as the installation distance between the master control transmitting module and the temperature acquisition module according to the current load condition, the farther the distance is, the larger the required power is, the closer the distance is, the smaller the required power is, the master control transmitting module is flexibly required to transmit corresponding power, the distance can reach 5-15CM, and the influence of the thickness of a product shell is avoided.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can be combined in a proper manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.
Claims (6)
1. A wireless temperature measurement module is characterized by comprising a master control transmitting module and a temperature acquisition module; the main control transmitting module comprises a temperature receiving microcontroller and a transmitting coil, and the temperature receiving microcontroller is connected with a power supply; a resonance circuit and a decoding circuit for signal demodulation are connected between the temperature receiving microcontroller and the transmitting coil; the temperature receiving microcontroller is connected with external equipment through temperature data serial port output; the temperature acquisition module comprises a temperature acquisition microcontroller and a receiving coil; the temperature acquisition microcontroller is provided with 2 AD ports for signal acquisition; a rectifying circuit for supplying power is connected between the temperature acquisition microcontroller and the receiving coil, and the receiving coil is connected with the temperature acquisition microcontroller through a modulation circuit; and the transmitting coil and the receiving coil are wirelessly connected.
2. The wireless temperature measurement module of claim 1, wherein the temperature receiving microcontroller is of MCU-BJEC071 type, has a main frequency of 16M, 2 sets of 16-bit complementary PWMs, and has more than 2 AD ports.
3. The wireless temperature measurement module of claim 1, wherein the temperature collection microcontroller is MCU-BJEC072, with a master frequency of 8M, and has more than 3 AD ports.
4. The wireless temperature measurement module of claim 1, wherein the temperature collection microcontroller is connected with an NTC thermistor through an AD port for signal collection.
5. The wireless temperature measurement module of claim 1, wherein the transmitter coil and the receiver coil are PCB coils.
6. The wireless temperature measurement module according to claim 1, wherein the temperature receiving microcontroller is connected with an indicator light for displaying the current working state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020760619.3U CN212110386U (en) | 2020-05-11 | 2020-05-11 | Wireless temperature measurement module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020760619.3U CN212110386U (en) | 2020-05-11 | 2020-05-11 | Wireless temperature measurement module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212110386U true CN212110386U (en) | 2020-12-08 |
Family
ID=73616427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020760619.3U Active CN212110386U (en) | 2020-05-11 | 2020-05-11 | Wireless temperature measurement module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212110386U (en) |
-
2020
- 2020-05-11 CN CN202020760619.3U patent/CN212110386U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103365280B (en) | Smart Home complex control system and control method | |
| CN103326907B (en) | Intelligent home network system and household appliance registration method thereof | |
| CN107124047A (en) | Radio energy transmission system and its radio communication method | |
| CN202076853U (en) | Wireless charging and feeding device of wireless sensor network node | |
| CN204049076U (en) | A kind of Intelligent water cup with infrared temperature data acquisition function | |
| CN102014523B (en) | Wireless communication network bridge device with various link buses | |
| CN103699097A (en) | Intelligent home control system and method | |
| CN110058190B (en) | Device and method for detecting series of users of non-household uninterrupted electric energy meter | |
| Debono et al. | Implementation of a home automation system through a central FPGA controller | |
| CN106993051A (en) | A kind of internet of things data acquisition terminal based on ZigBee | |
| CN202154511U (en) | Wireless intelligent control cooking appliance | |
| CN209149567U (en) | One kind can not register one's residence electric family table check device | |
| CN212110386U (en) | Wireless temperature measurement module | |
| CN107396462B (en) | Home gateway device | |
| CN206962545U (en) | Radio energy transmission system | |
| CN206294353U (en) | Broadband wireless dual mode communication module | |
| CN203732953U (en) | Intelligent home control system | |
| JP6076476B2 (en) | Method and apparatus for transmitting data over electrical conductors of a power grid | |
| CN207490622U (en) | A kind of identifying system and wireless charging system of wireless charging communication | |
| CN214959535U (en) | Communication device based on power line | |
| CN113450555B (en) | Concentrator communication circuit based on far infrared and near infrared self-adaptation | |
| CN108896854A (en) | Attaching plug formula integration Internet of Things power param eter supervision device | |
| CN209264843U (en) | Attaching plug formula integration Internet of Things power param eter supervision device | |
| CN209417111U (en) | A kind of electric energy meter | |
| CN203325187U (en) | Intelligent home system based on mobile communication and radio-frequency transmission and reception |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |