CN211506549U

CN211506549U - Explosion-proof bluetooth location label

Info

Publication number: CN211506549U
Application number: CN202020578814.4U
Authority: CN
Inventors: 毛东方
Original assignee: Wuxi Realid Technology Co ltd
Current assignee: Wuxi Realid Technology Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-09-15
Anticipated expiration: 2030-04-17

Abstract

The utility model relates to a location label technical field discloses an explosion-proof bluetooth location label, including set up in the peripheral explosion-proof layer of bluetooth location label, be used for the microprocessor module of system control and processing, link to each other with the microprocessor module be used for strengthening the PA module of transmitting signal intensity, the accelerometer module who is used for providing the power module of voltage and links to each other with the microprocessor module. The utility model protects the Bluetooth positioning tag from being damaged when bearing external force by the explosion-proof layer when in use; the microprocessor module improves the power of the signals to be transmitted through the PA module, and further improves the transmitting distance, so that the Bluetooth positioning tag can be applied to various working occasions.

Description

Explosion-proof bluetooth location label

Technical Field

The utility model relates to a location label technical field, concretely relates to explosion-proof bluetooth label.

Background

In the field of chemical plants, because the environment of an operation area is severe and toxic and harmful gases exist, the safety monitoring of operators is particularly important, and once an accident happens, the operators need to be positioned at the first time and rescued. However, most of the positioning tags worn by operators are card-type, the periphery of the tags lacks protective measures, the tags are easily damaged under the action of external force, and if the tags are damaged in accidents, the deployment of rescue work is not facilitated. In addition, for workers in coal mining and underground wells, if the workers are covered by ruins, the loss of the electric signals transmitted by the positioning tags in transmission is increased, the maximum transmission distance of the electric signals is reduced, and in this case, the signal transmission power of the positioning tags needs to be increased so that the positioning tags can transmit specific position information of the trapped workers to rescuers.

SUMMERY OF THE UTILITY MODEL

In view of the not enough of background art, the utility model provides an explosion-proof bluetooth label, the technical problem that solve is that the peripheral safeguard measure that lacks of current location label, appears damaging because of bearing external force easily, can not increase signal emission power moreover.

For solving the technical problem, the utility model provides a following technical scheme: an explosion-proof Bluetooth positioning label comprises an explosion-proof layer arranged on the periphery of the Bluetooth positioning label, a microprocessor module used for system control and processing, a PA module connected with the microprocessor module and used for enhancing the strength of a transmitting signal, a power module connected with the microprocessor module and used for providing voltage, and an accelerometer module connected with the microprocessor module.

Furthermore, the explosion-proof layer adopts epoxy KD8108, and the microprocessor module adopts NRF51822 chip.

The power supply module comprises a battery, a battery connecting seat and a DC-DC circuit; the battery is electrically connected with the battery connecting seat, the battery connecting seat is electrically connected with the DC-DC circuit, and the DC-DC circuit converts the battery voltage into 3.3V direct current voltage.

The accelerometer module adopts an MMA8452Q digital acceleration sensor, and is electrically connected with the microprocessor module through an I2C bus.

The PA module employs an RFX2401C power amplifier.

Compared with the prior art, the utility model beneficial effect who has is: the periphery of the Bluetooth positioning tag is provided with an explosion-proof layer, so that the Bluetooth positioning tag can be protected from being damaged when bearing an external force; the microprocessor module improves the power of a signal to be transmitted through the PA module, so that the transmission distance is increased, and the Bluetooth positioning tag can be applied to various working occasions; the microprocessor module detects whether the Bluetooth positioning tag is in a static state for a long time through the accelerometer module, and if so, the microprocessor module stops receiving and sending signals, so that energy consumption is reduced, and cruising ability is improved.

Drawings

The utility model discloses there is following figure:

FIG. 1 is a circuit diagram of the present invention;

fig. 2 is a schematic structural view of the explosion-proof layer and the bluetooth positioning tag of the present invention;

fig. 3 is a circuit diagram of a microprocessor module according to the present invention;

fig. 4 is a circuit diagram of a PA module of the present invention;

fig. 5 is a circuit diagram of an accelerometer module according to the present invention;

fig. 6 is a circuit diagram of the power module of the present invention.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1-2, an explosion-proof bluetooth positioning tag includes an explosion-proof layer 2 disposed at the periphery of a bluetooth positioning tag 1, a microprocessor module 10 for system control and processing, a PA module 12 connected to the microprocessor module 10 for enhancing the strength of a transmitted signal, a power module 11 connected to the microprocessor module 10 for providing a voltage, and an accelerometer module 13 connected to the microprocessor module 10.

As shown in fig. 3, microprocessor module 10 employs an nRF51822 chip. The nRF51822 is a powerful and high-flexibility multi-protocol SoC, and is very suitable for Bluetooth low-power consumption and 2.4GHz ultra-low-power consumption wireless application. The embedded 2.4GHz transceiver supports Bluetooth Low energy and 2.4GHz operation, with the 2.4GHz mode being wirelessly compatible with the nRF24L series product of Nordic Semi conductor. In addition, nRF51822 has a rich range of analog and digital peripherals that can interact through a Programmable Peripheral Interconnect (PPI) system without CPU involvement, and a flexible 31-pin GPIO mapping scheme allows I/O (e.g., serial interface, PWM, and sine demodulator) to be mapped to any device pin as dictated by PCB requirements.

As shown in fig. 4, the PA module 12 employs an RFX2401C power amplifier and its related peripheral circuits, and the power terminal of the PA module 12 is electrically connected to the P0.24 pin of the microprocessor module 10.

As shown in fig. 5, the accelerometer module 13 employs an MMA8452Q digital acceleration sensor, and the accelerometer module 13 is electrically connected to the communication terminals of the microprocessor module 10 via an I2C bus. When the worker takes off the positioning tag, the microprocessor module 10 can stop receiving and sending signals according to the detection signals input by the accelerometer module 13 within a certain time.

As shown in fig. 6, the power module includes a battery, a battery connecting socket and a DC-DC circuit, the battery is electrically connected to the battery connecting socket, the battery connecting socket is electrically connected to the DC-DC circuit, VBAT is an electrical connection point between the battery connecting socket and the DC-DC circuit, and the DC-DC circuit converts the battery voltage into a 3.3V DC voltage by using an XRP6658ISTR-F power chip.

Compared with the existing positioning tag, the anti-explosion layer 2 is arranged on the periphery of the Bluetooth positioning tag 1, so that the Bluetooth positioning tag 1 can be protected from being damaged when bearing external force; the microprocessor module 10 increases the power of the signal to be transmitted through the PA module 12, so as to increase the transmission distance, and the Bluetooth positioning tag 1 can be applied to various working occasions; the microprocessor module 10 detects whether the bluetooth positioning tag 1 is in a static state for a long time through the accelerometer module 13, and if so, the microprocessor module 10 stops receiving and sending signals, so that the energy consumption is reduced, and the cruising ability is improved.

In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides an explosion-proof bluetooth location label which characterized in that: the Bluetooth positioning tag comprises an explosion-proof layer arranged on the periphery of the Bluetooth positioning tag, a microprocessor module used for system control and processing, a PA module connected with the microprocessor module and used for enhancing the strength of a transmitting signal, a power supply module connected with the microprocessor module and used for providing voltage, and an accelerometer module connected with the microprocessor module.

2. The explosion-proof bluetooth location tag of claim 1, wherein: the microprocessor module adopts an nRF51822 chip.

3. The explosion-proof bluetooth location tag of claim 1, wherein: the power supply module comprises a battery, a battery connecting seat and a DC-DC circuit, wherein the battery is electrically connected with the battery connecting seat, the battery connecting seat is electrically connected with the DC-DC circuit, and the DC-DC circuit converts the voltage of the battery into 3.3V direct-current voltage.

4. The explosion-proof bluetooth location tag of claim 1, wherein: the accelerometer module adopts an MMA8452Q digital acceleration sensor, and is electrically connected with the microprocessor module through an I2C bus.

5. The explosion-proof bluetooth location tag of claim 1, wherein: the PA module employs an RFX2401C power amplifier.

6. The explosion-proof bluetooth location tag of claim 1, wherein: the explosion-proof layer adopts epoxy resin KD 8108.