CN214150769U - Wireless acceleration sensor - Google Patents
Wireless acceleration sensor Download PDFInfo
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- CN214150769U CN214150769U CN202120394934.3U CN202120394934U CN214150769U CN 214150769 U CN214150769 U CN 214150769U CN 202120394934 U CN202120394934 U CN 202120394934U CN 214150769 U CN214150769 U CN 214150769U
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Abstract
The utility model discloses a wireless acceleration sensor, which comprises a microprocessor, an acceleration sensor, a memory, a battery, a power supply control module and an antenna; the microprocessor is internally integrated with a controller and a wireless module, the battery is used for supplying power to the sensor and is respectively connected with the power supply control module and the microprocessor, the power supply control module is also respectively connected with the acceleration sensor, the memory and the controller, the controller is also respectively connected with the acceleration sensor, the memory and the wireless module, and the wireless module is connected with the antenna. The acceleration data is stored in the memory, the data acquisition process is not influenced by the wireless communication environment, and the data can be repeatedly read for many times and cannot be lost. Data acquisition can be simultaneously carried out on a plurality of wireless acceleration sensors, the sampling rate of a single wireless acceleration sensor is kept unchanged, and the data sampling rate cannot be reduced due to alternate opening of wireless channels. The acceleration sampling rate can be improved without being influenced by the wireless data transmission rate.
Description
Technical Field
The utility model relates to an assembled dustproof heat dissipation computer host structure especially relates to an assembled dustproof heat dissipation computer host structure.
Background
In the occasion that the cable is not convenient to arrange, the wireless acceleration sensor is used for measuring the movement or vibration impact of mechanical equipment. The common wireless acceleration sensor directly sends the acquired acceleration data through the wireless transceiver. However, during the operation of mechanical equipment, in some states, the shielding effect of metal can block and interfere the transmission of wireless data, resulting in data error loss, communication interruption and other consequences.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wireless acceleration sensor to solve above-mentioned technical problem.
In order to realize the purpose, the utility model adopts the following technical scheme: a wireless acceleration sensor comprises a microprocessor, an acceleration sensor, a memory, a battery, a power supply control module and an antenna; the battery is used for supplying power to the sensor, the battery is connected with the power supply control module and the microprocessor respectively, the power supply control module is further connected with the acceleration sensor, the memory and the controller respectively, the controller is further connected with the acceleration sensor, the memory and the wireless module respectively, and the wireless module is connected with the antenna.
Preferably, the controller integrates serial interface modules such as I2C, SPI, UART and the like.
Preferably, the acceleration sensor 2 is a three-axis digital acceleration sensor chip, and an I2C and SPI serial digital interface module are integrated inside the acceleration sensor chip.
Preferably, the memory is a flash memory chip, the I2C and the SPI serial digital interface module are integrated inside the flash memory chip, and the capacity can be from 8MB to 256MB according to application occasions and cost requirements.
Preferably, the battery is a small button battery, and the total capacity is improved by connecting a plurality of batteries in parallel.
Preferably, the power control module is a CMOS switch circuit, and when the sensor does not collect data, the memory and the acceleration sensor chip are disconnected, so that the power consumption of the system is reduced.
Preferably, the antenna is a small flexible antenna that satisfies the size of the sensor and is mounted on the inner surface of the sensor housing.
Preferably, the wireless acceleration sensor comprises two states, namely a normal working state and a low-power consumption standby state; when the wireless control terminal works normally, the microprocessor is in a normal working mode, controls the power supply control module to supply power to the acceleration sensor and the memory, performs wireless communication with the wireless control terminal through the wireless module, receives an instruction of the wireless control terminal to start the acceleration sensor to measure, stores measured data in the memory in real time, receives a wireless instruction and sends the data stored in the memory to the wireless control terminal through a wireless channel;
and when the low-power consumption standby state is realized, the microprocessor controls the power supply control module to cut off the power supply for the acceleration sensor and the memory, and simultaneously sets the self low-power consumption mode, intermittently starts the wireless module and receives the awakening instruction of the control terminal. The energy consumption is reduced as much as possible, and the sleep standby time is prolonged.
Compared with the prior art, the utility model has the advantages of it is following: 1. the acceleration data is stored in the memory, the data acquisition process is not influenced by the wireless communication environment, and the data can be repeatedly read for many times and cannot be lost.
2. Data acquisition can be simultaneously carried out on a plurality of wireless acceleration sensors, the sampling rate of a single wireless acceleration sensor is kept unchanged, and the data sampling rate cannot be reduced due to alternate opening of wireless channels.
3. The acceleration sampling rate can be improved without being influenced by the wireless data transmission rate. Ordinary wireless acceleration sensor is that two processes of data acquisition and data transmission go on in turn, the utility model discloses wireless acceleration sensor can adopt two processes of data acquisition and data storage to go on in turn. The speed of data storage is generally far greater than that of data transmission, so that the acceleration sampling rate is improved in principle.
Drawings
Fig. 1 is a schematic block diagram of the present invention.
In the figure: 1 microprocessor, 2 acceleration sensor, 3 memory, 4 batteries, 5 power control module, 6 antenna, 7 controller, 8 wireless module.
Detailed Description
The invention is explained in further detail below with reference to the figures and the embodiments.
As shown in fig. 1, a wireless acceleration sensor includes a microprocessor 1, an acceleration sensor 2, a memory 3, a battery 4, a power control module 5, and an antenna 6; the inside integration of microprocessor 1 has controller 7 and wireless module 8, battery 4 is used for the power supply of sensor, and battery 4 is connected with power control module 5 and microprocessor 1 respectively, and power control module 5 still is connected with acceleration sensor 2, memory 3 and controller 7 respectively, and controller 7 still is connected with acceleration sensor 2, memory 3 and wireless module 8 respectively, and wireless module 8 is connected with antenna 6.
The controller 7 integrates serial interface modules such as I2C, SPI, UART and the like. The acceleration sensor 2 is a three-axis digital acceleration sensor chip, and an I2C and SPI serial digital interface module are integrated inside the acceleration sensor chip; the memory 3 is a flash memory chip, an I2C and an SPI serial digital interface module are integrated inside the flash memory chip, and the capacity can be from 8MB to 256MB according to application occasions and cost requirements. The battery 4 is a small button battery, and the total capacity is improved by adopting a plurality of parallel connection modes. The power control module 5 is a CMOS switch circuit, and when the sensor does not collect data, the memory and the acceleration sensor chip are disconnected, so that the power consumption of the system is reduced. The antenna 6 is a small flexible antenna that satisfies the size of the sensor, and is attached to the inner surface of the sensor case.
The wireless acceleration sensor comprises two states, namely a normal working state and a low-power consumption standby state;
when the wireless control device works normally, the microprocessor 1 is in a normal working mode, controls the power supply control module 5 to supply power to the acceleration sensor 2 and the memory 3, performs wireless communication with the wireless control terminal through the wireless module 8, receives an instruction of the wireless control terminal to start the acceleration sensor 2 to measure, stores measured data in the memory 3 in real time, receives a wireless instruction, and sends the data stored in the memory 3 to the wireless control terminal through a wireless channel;
when the low-power consumption standby state is realized, the microprocessor 1 controls the power supply control module 5 to cut off the power supply for the acceleration sensor 2 and the memory 3, and simultaneously sets the self low-power consumption mode, intermittently starts the wireless module 8 and receives the awakening instruction of the control terminal. The energy consumption is reduced as much as possible, and the sleep standby time is prolonged.
The working process of the wireless acceleration sensor comprises the following steps:
(1) after the wireless acceleration sensor is powered on and started, the controller enters a low power consumption state after starting setting and self-checking are finished, and waits for a wake-up instruction;
(2) and after receiving the awakening instruction, the wireless acceleration sensor enters a normal working state and waits for a further instruction.
(3) After the wireless acceleration sensor in the normal working state receives a measurement instruction of the wireless control terminal, the measurement of the acceleration sensor 2 is started, data is stored in the memory 3 in real time, and after the data volume set by the measurement instruction is recorded, the measurement is stopped. And keeping a normal working state.
(4) After the wireless acceleration sensor in the normal working state receives a data transmission instruction of the wireless control terminal, the low power consumption state of the acceleration sensor 2 is kept, the data in the memory 3 is read, and the data is sent to the wireless control terminal through the wireless module 8.
(5) And after the wireless acceleration sensor in the normal working state receives the sleep instruction of the wireless control terminal, the wireless acceleration sensor is switched to a low-power-consumption standby state.
The foregoing is a preferred embodiment of the present invention, and for those skilled in the art to understand the teaching of the present invention, the changes, modifications, replacements and variations to the embodiments will still fall within the protection scope of the present invention without departing from the principle and spirit of the present invention.
Claims (7)
1. A wireless acceleration sensor is characterized by comprising a microprocessor, an acceleration sensor, a memory, a battery, a power supply control module and an antenna; the battery is used for supplying power to the sensor, the battery is connected with the power supply control module and the microprocessor respectively, the power supply control module is further connected with the acceleration sensor, the memory and the controller respectively, the controller is further connected with the acceleration sensor, the memory and the wireless module respectively, and the wireless module is connected with the antenna.
2. The wireless acceleration sensor of claim 1, characterized in that the controller integrates I2C, SPI, UART serial interface modules.
3. The wireless acceleration sensor of claim 1, characterized in that, the acceleration sensor is a three-axis digital acceleration sensor chip, and the I2C and SPI serial digital interface modules are integrated inside.
4. The wireless acceleration sensor of claim 1, characterized in that the memory is a flash memory chip, and the I2C and SPI serial digital interface modules are integrated inside.
5. A wireless acceleration sensor according to claim 1, characterized in, that the battery (4) is a small button battery, in parallel.
6. The wireless acceleration sensor of claim 1, characterized in that the power control module is a CMOS switch circuit, disconnecting the memory from the acceleration sensor chip when the sensor is not collecting data.
7. A wireless acceleration sensor of claim 1, characterized in, that the antenna is mounted to the inner surface of the sensor housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120394934.3U CN214150769U (en) | 2021-02-23 | 2021-02-23 | Wireless acceleration sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120394934.3U CN214150769U (en) | 2021-02-23 | 2021-02-23 | Wireless acceleration sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214150769U true CN214150769U (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120394934.3U Active CN214150769U (en) | 2021-02-23 | 2021-02-23 | Wireless acceleration sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN214150769U (en) |
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2021
- 2021-02-23 CN CN202120394934.3U patent/CN214150769U/en active Active
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