CN216387221U - Wireless transmission capacitance meter - Google Patents
Wireless transmission capacitance meter Download PDFInfo
- Publication number
- CN216387221U CN216387221U CN202122879968.4U CN202122879968U CN216387221U CN 216387221 U CN216387221 U CN 216387221U CN 202122879968 U CN202122879968 U CN 202122879968U CN 216387221 U CN216387221 U CN 216387221U
- Authority
- CN
- China
- Prior art keywords
- module
- wireless transmission
- capacitance meter
- data
- microprocessor
- 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
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a wireless transmission capacitance meter, which comprises a capacitance meter, a level conversion module, a microprocessor module, a 2.4G wireless transmission transmitting end module, a 2.4G wireless transmission receiving end module and a tablet computer terminal, wherein the level conversion module is connected with the microprocessor module; level conversion module is connected with the electric capacity table electricity, microprocessor module is connected with level conversion module electricity, receive electric capacity table data collection, 2.4G wireless transmission transmitting terminal module is connected with microprocessor module electricity, microprocessor module gives electric capacity table data collection transmission for 2.4G wireless transmission transmitting terminal module, 2.4G wireless transmission transmitting terminal module and 2.4G wireless transmission receiving terminal module wireless communication are connected, 2.4G wireless transmission transmitting terminal module gives electric capacity table data collection transmission for the receiving terminal module, the receiving terminal module is connected with panel computer terminal electricity. The utility model solves the problem that the existing capacitance meter does not have the functions of wireless data transmission and temperature and humidity measurement.
Description
Technical Field
The utility model relates to a capacitance meter, in particular to a wireless transmission capacitance meter, and belongs to the technical field of measuring equipment.
Background
The capacitance meter is used for measuring the capacitance value of a capacitor in the power transformation equipment, and the temperature and the humidity of the environment are recorded according to requirements before a measurement test, so that the capacitance measurement test can be carried out only when the requirements are met. In daily work, when the traditional capacitance meter is used for measuring in a narrow space, a worker inconveniently reads a numerical value of the capacitance meter, data are not recorded and stored conveniently, and the function of uploading data storage and analysis of a computer system is not provided. In addition, because the temperature and the humidity of the environment need to be measured, the capacitance meter and the temperature and humidity meter need to be carried during working, and the working is inconvenient. In conclusion, the traditional capacitance meter has a single function and cannot meet the detection requirement of capacitance equipment with harsh conditions.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wireless transmission capacitance meter, which solves the problem that the existing capacitance meter does not have the functions of wireless data transmission and temperature and humidity measurement.
The purpose of the utility model is realized by the following technical scheme:
a wireless transmission capacitance meter comprises a capacitance meter, a level conversion module, a microprocessor module, a 2.4G wireless transmission transmitting end module, a 2.4G wireless transmission receiving end module and a tablet computer terminal; the level conversion module is electrically connected with the capacitance meter and is used for receiving capacitance meter collected data transmitted by an RS 232-C protocol, the level conversion module is used for converting the data into UART data, the microprocessor module is electrically connected with the level conversion module and is used for receiving the capacitance meter collected data, the 2.4G wireless transmission transmitting end module is electrically connected with the microprocessor module, the microprocessor module is used for transmitting the capacitance meter collected data to the 2.4G wireless transmission transmitting end module, the 2.4G wireless transmission transmitting end module is in wireless communication connection with the 2.4G wireless transmission receiving end module, the 2.4G wireless transmission transmitting end module is used for transmitting the capacitance meter collected data to the 2.4G wireless transmission receiving end module, the 2.4G wireless transmission receiving end module is electrically connected with a tablet computer terminal, and the capacitance meter collected data are transmitted to the tablet computer terminal.
The object of the utility model can be further achieved by the following technical measures:
the wireless transmission capacitance meter further comprises a temperature and humidity sensor, wherein the temperature and humidity sensor is electrically connected with the microprocessor module, and the temperature and humidity sensor transmits the collected environment temperature and humidity to the microprocessor module through a UART data form.
The foregoing wireless transmission capacitance meter, wherein the level shift module adopts a level shift chip with a model of MAX3232ESE + T, the microprocessor module adopts an ARM chip with a model of STM32F030C8T6, and both the 2.4G wireless transmission transmitting terminal module and the 2.4G wireless transmission receiving terminal module adopt a wireless transmission chip with a model of AS69T 20.
The wireless transmission capacitance meter is characterized in that the temperature and humidity sensor is an SH20 temperature and humidity sensor.
Compared with the prior art, the utility model has the beneficial effects that: a wireless transmission mode is adopted, so that the difficulty in reading the capacitance meter in a narrow field environment is avoided; the measurement of the ambient temperature and humidity is increased under the condition of meeting the traditional capacitance value measurement; the measurement data can be remotely read from a computer tablet or a mobile phone.
Drawings
FIG. 1 is a circuit block diagram of the present invention;
FIG. 2 is a circuit diagram of a capacitance meter interface;
FIG. 3 is a level shift circuit diagram;
FIG. 4 is a circuit diagram of a microprocessor module;
FIG. 5 is a diagram of a 2.4G wireless transmission transmitting end circuit;
FIG. 6 is a temperature and humidity sensor module circuit diagram;
fig. 7 is a circuit diagram of a receiving end of 2.4G wireless transmission.
Detailed Description
The utility model is further described with reference to the following figures and specific examples.
As shown in fig. 1, the wireless transmission capacitance meter of the present invention includes a capacitance meter 1, and further includes a level conversion module 2, a microprocessor module 3, a 2.4G wireless transmission transmitting end module 4, a 2.4G wireless transmission receiving end module 5, a tablet computer terminal 6, and a temperature and humidity sensor 7; level conversion module 2 is connected with electric capacity table 1 electricity, receives the electric capacity table data collection of RS 232-C agreement transmission, level conversion module 2 converts data into UART data, microprocessor module 3 is connected with level conversion module 2 electricity, receives electric capacity table data collection, and temperature and humidity sensor 7 is connected with microprocessor module 3 electricity, and temperature and humidity sensor 7 transmits the environment humiture of its collection for microprocessor module 3 through UART data format. 2.4G wireless transmission transmitting terminal module 4 is connected with microprocessor module 3 electricity, and microprocessor module 3 transmits the electric capacity table data collection, environment humiture data for 2.4G wireless transmission transmitting terminal module 4, 2.4G wireless transmission transmitting terminal module 4 is connected with 2.4G wireless transmission receiving terminal module 5 wireless communication, and 2.4G wireless transmission transmitting terminal module 4 transmits the electric capacity table data collection, environment humiture data for 2.4G wireless transmission receiving terminal module 5, and 2.4G wireless transmission receiving terminal module 5 is connected with panel computer terminal 6 electricity, and the data is gathered to the electric capacity table, environment humiture data transmission for panel computer terminal 6.
In the specific embodiment of the utility model, the level conversion module 2 adopts a level conversion chip with the model of MAX3232ESE + T, the microprocessor module 3 adopts an ARM chip with the model of STM32F030C8T6, the 2.4G wireless transmission transmitting terminal module 4 and the 2.4G wireless transmission receiving terminal module 5 both adopt wireless transmission chips with the model of AS69T20, and the temperature and humidity sensor 7 adopts a temperature and humidity sensor with the model of SH 20. The type of the capacitance meter is UT63D, the capacitance meter is provided with a data output interface, data are transmitted to a circuit board of the utility model according to an RS 232-C protocol, the data are converted into UART data through an MAX3232 chip, the microprocessor receives the capacitance meter data through UART1, the temperature and humidity sensor data are acquired at fixed time through a UART2 receiving end, and the acquired temperature and humidity data and the capacitance meter data are transmitted to a 2.4G wireless transmission module transmitting end through a UART2 transmitting end. The 2.4G wireless transmission module sending end sends the received data to the 2.4G wireless transmission module receiving end, and the 2.4G wireless transmission module receiving end sends the data to the tablet personal computer terminal through the UART-to-USB. And the tablet personal computer terminal acquires the USB data and analyzes the data. And performing data display, data storage/recording, data comparison and data alarm on the analyzed data on the flat plate. The following is a detailed description:
(1) capacitance meter interface circuit: as shown in FIG. 2, DB9_232_ TX, DB9_232_ RX are connected to the capacitance table for level shift module MAX3232ESE + T to issue data requests and capacitance table return data to the capacitance table.
(2) A data acquisition part: as shown in FIG. 3, the chip MAX3232ESE + T is used for serial port level conversion, the serial port data level of the capacitance table is +/-9V, while the data level of the serial ports (USART2_ TX, USART2_ RX) of the microprocessor STM32F030C8T6 is standard TTL level, and the chip MAX3232ESE + T is required to perform level conversion in the middle.
(3) A microprocessor module: an arm chip STM32F030C8T6 is used for data protocol conversion and data processing, and as shown in fig. 4, the 12 pin of the chip STM32F030C8T6 is connected to USART2_ TX through a resistor R14 for issuing a data request. The 13-pin resistor R15 connects USART2_ RX for data reception. R14, R15 are used for matching and protecting the chip STM32F030C8T6 and the chip MAX3232ESE + T. And one end of the 4 th pin AUX is connected with the wireless transmission module AUX end and is used for the online configuration of the transmission module. The 31 st pin UART1_ RX is connected with the temperature and humidity sensor through the R10 and is used for collecting and receiving temperature and humidity data of the temperature and humidity sensor. The 30 th pin UART1_ TX is connected with a temperature and humidity sensor through an R8 and used for sending a data request to the temperature and humidity sensor.
(4)2.4G wireless transmission module: AS69T20 is a 2.4G programmably configurable wireless transmission module, with MD0 and MD1 of pin 0 being in an active configuration, AS shown in fig. 5, with MD0 terminating at R2 to 3.3V and MD1 terminating at R3 to ground, configuring it in a normal communication mode. One end of the 2 nd pin TX is connected with a USART2_ TX to a 12 th pin of a control chip STM32F030C8T6 through R5. One end of the 3 rd pin RX is connected with a USART2_ RX pin 13 of the control chip STM32F030C8T6 through R6. And the 4 th pin AUX is connected with the 4 th pin of STM32F030C8T 6.
(5) Temperature and humidity sensor module: as shown in fig. 6, SH20 is a high-precision temperature and humidity sensor, and can perform data communication through a serial port, and pin 2 is a data receiving terminal and pin 3 is a data transmitting terminal. And a 2 nd pin one end R8 is connected with an STM32F030C8T6 30 th pin through a UART1_ TX connection chip for STM32F030C8T6 to send a loose data request to SH 20. And the 3 rd pin one end R10 is connected with the 30 th pin of the chip STM32F030C8T6 through a UART1_ RX for SH20 sending STM32F030C8T6 to respond to data.
(6) As shown in fig. 7, the receiving-end circuit module is the same as the transmitting-end circuit module and is used in pair. The 2 nd pin TX and the 3 rd pin RX are connected with a flat serial port-to-USB interface for receiving front-end transmitted data.
In addition to the above embodiments, the present invention may have other embodiments, and any technical solutions formed by equivalent substitutions or equivalent transformations fall within the scope of the claims of the present invention.
Claims (4)
1. A wireless transmission capacitance meter comprises a capacitance meter, and is characterized by further comprising a level conversion module, a microprocessor module, a 2.4G wireless transmission transmitting terminal module, a 2.4G wireless transmission receiving terminal module and a tablet computer terminal; the level conversion module is electrically connected with the capacitance meter and is used for receiving capacitance meter collected data transmitted by an RS 232-C protocol, the level conversion module is used for converting the data into UART data, the microprocessor module is electrically connected with the level conversion module and is used for receiving the capacitance meter collected data, the 2.4G wireless transmission transmitting end module is electrically connected with the microprocessor module, the microprocessor module is used for transmitting the capacitance meter collected data to the 2.4G wireless transmission transmitting end module, the 2.4G wireless transmission transmitting end module is in wireless communication connection with the 2.4G wireless transmission receiving end module, the 2.4G wireless transmission transmitting end module is used for transmitting the capacitance meter collected data to the 2.4G wireless transmission receiving end module, the 2.4G wireless transmission receiving end module is electrically connected with a tablet computer terminal, and the capacitance meter collected data are transmitted to the tablet computer terminal.
2. The wireless transmission capacitance meter according to claim 1, further comprising a temperature and humidity sensor electrically connected to the microprocessor module, wherein the temperature and humidity sensor transmits the collected ambient temperature and humidity to the microprocessor module in a UART data format.
3. The wireless transmission capacitance meter according to claim 1, wherein the level shift module is a MAX3232ESE + T level shift chip, the microprocessor module is an ARM chip of STM32F030C8T6, and the 2.4G wireless transmission transmitting end module and the 2.4G wireless transmission receiving end module are both AS69T20 wireless transmission chips.
4. The wireless transmission capacitance meter according to claim 2, wherein the temperature and humidity sensor is a temperature and humidity sensor with model number SH 20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122879968.4U CN216387221U (en) | 2021-11-22 | 2021-11-22 | Wireless transmission capacitance meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122879968.4U CN216387221U (en) | 2021-11-22 | 2021-11-22 | Wireless transmission capacitance meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216387221U true CN216387221U (en) | 2022-04-26 |
Family
ID=81218823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122879968.4U Active CN216387221U (en) | 2021-11-22 | 2021-11-22 | Wireless transmission capacitance meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216387221U (en) |
-
2021
- 2021-11-22 CN CN202122879968.4U patent/CN216387221U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216387221U (en) | Wireless transmission capacitance meter | |
| CN202092799U (en) | Wireless temperature testing system | |
| CN205981500U (en) | But remote control's intelligent pressure transmitter | |
| CN103414501A (en) | Bluetooth adapter for industrial instrument | |
| CN212850543U (en) | Measurement data acquisition gateway | |
| CN214623916U (en) | Water meter concentrator with Bluetooth maintenance function and water meter data acquisition system | |
| CN201368776Y (en) | Ultra low power wireless digital temperature sensor | |
| CN208673355U (en) | A kind of fingerprint acquisition device | |
| CN207703329U (en) | Electronic scale weighing module | |
| CN2938090Y (en) | Network concrete ultrasonic signal collector | |
| CN212812095U (en) | LED driver power supply with detection monitoring interface | |
| CN216561766U (en) | Integrated mainboard data acquisition module | |
| CN205912051U (en) | Wireless expanding unit to USB microwave power probe | |
| CN210348778U (en) | Sending, receiving and monitoring device for force sensor collecting signals | |
| CN204465547U (en) | A kind of radio monitoring receiver with self-checking function | |
| CN205843914U (en) | A kind of portable spot check instrument being applicable to wireless vibration measuring | |
| CN205786450U (en) | A kind of grain moisture based on GPRS technology detection device | |
| CN206057435U (en) | A kind of electric instrument for being capable of remote control | |
| CN216957111U (en) | Charging device integrating card swiping and card sending | |
| CN218124850U (en) | Intelligent acquisition box | |
| CN218772449U (en) | 4G Internet of things communication management system | |
| CN212873488U (en) | High-speed wireless data acquisition card | |
| CN204128590U (en) | Agriculture test device | |
| CN202472916U (en) | Long-distance wireless measuring device for ambient temperature | |
| CN215677263U (en) | Low-power-consumption weighing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |