CN214475508U - Vibration collector based on NB-IoT - Google Patents
Vibration collector based on NB-IoT Download PDFInfo
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- CN214475508U CN214475508U CN202120232066.9U CN202120232066U CN214475508U CN 214475508 U CN214475508 U CN 214475508U CN 202120232066 U CN202120232066 U CN 202120232066U CN 214475508 U CN214475508 U CN 214475508U
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Abstract
The utility model provides a vibration collector based on NB-IoT, include: the locking device is fixedly arranged on the surface of the shell; the vibration sensor is fixedly arranged inside the shell; the controller is fixedly arranged in the shell and is electrically connected with the vibration sensor; the NB-IoT module is fixedly arranged inside the shell and is electrically connected with the controller; the controller can acquire vibration data of the vibration sensor and then transmit the vibration data to the NB-IoT module, and the NB-IoT module can transmit the vibration data to a monitoring platform. The utility model has the advantages that: fix on the lathe through locking device, the vibration data of lathe is gathered to the vibration sensor, and the data of will vibrating is through wireless mode long-range transmission for monitor platform, can install on a plurality of lathes the utility model discloses, the vibration data of a plurality of lathes of simultaneous analysis by monitor platform again, analysis efficiency is high.
Description
Technical Field
The utility model relates to a wireless communication equipment specifically relates to a vibration collector based on NB-IoT.
Background
NB-IoT (Narrow Band Internet of Things) is an emerging technology of cellular-based narrowband Internet of Things in the IoT field, supports cellular data connection of low-power devices in a Wide Area Network (WAN), and is also called low-power wide area network (LPWAN). NB-IoT supports efficient connectivity for devices with long standby time and high requirements for network connectivity.
Machine tools are generally classified into metal cutting machines, forging machines, woodworking machines, and the like. In modern machine manufacturing, a plurality of methods for machining mechanical parts comprise cutting machining, casting, forging, welding, stamping, extruding and the like, but all parts with higher precision requirements and finer surface roughness requirements are generally subjected to final machining by a cutting method on a machine tool. The machine tool plays an important role in the construction of national economy modernization.
The machine tool can vibrate when in work, the vibration data of the machine tool is collected, the working state of the machine tool is further analyzed, and the maintenance efficiency of the machine tool is facilitated. In a factory in the manufacturing industry, the number of machine tools is large, vibration data are collected for each machine tool, and the analysis efficiency is very low by using the existing vibration data collector.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in providing a vibration collector based on NB-IoT, realizes the long-range vibration data of collecting, improves analysis efficiency.
The utility model discloses a realize like this: an NB-IoT based vibration harvester comprising:
the locking device is fixedly arranged on the surface of the shell;
the vibration sensor is fixedly arranged inside the shell;
the controller is fixedly arranged in the shell and is electrically connected with the vibration sensor;
the NB-IoT module is fixedly arranged inside the shell and is electrically connected with the controller;
the controller can acquire vibration data of the vibration sensor and then transmit the vibration data to the NB-IoT module, and the NB-IoT module can transmit the vibration data to a monitoring platform.
Further, the locking means is a magnet.
The power module is fixedly arranged inside the shell and comprises an external power input unit, a battery power input unit, a power switching unit and a power output unit;
the external power supply input unit is used for providing external power supply for the power supply switching unit;
the battery power supply input unit is used for providing battery power supply for the power supply switching unit;
when the power supply switching unit detects that the external power supply input unit is powered on, the external power supply is provided for the power supply output unit, and when the power supply switching unit detects that the external power supply input unit is powered off, the battery power supply is provided for the power supply output unit;
the power output unit supplies power to the vibration sensor and the NB-IoT module.
Furthermore, the power supply device also comprises a power supply switch and a power supply indicator light, wherein the power supply switch and the power supply indicator light are both electrically connected with the power supply switching unit, and the power supply switch and the power supply indicator light are both fixedly arranged on the surface of the shell.
Further, the power module further comprises a battery charging unit, the external power input unit is further configured to provide the external power to the battery charging unit, the battery power input unit includes a rechargeable battery, and the battery charging unit is configured to charge the rechargeable battery.
The power supply interface is electrically connected with the external power supply input unit, the power supply interface is fixedly arranged on the surface of the shell, and the controller is also electrically connected with the power supply switching unit;
the locking device is used for being fixed on a machine tool, the power interface is used for being connected with a power supply device of the machine tool, the power supply switching unit feeds detected power-off and power-on signals of the external power supply input unit back to the controller, and the controller sends state data of power-off and power-on of the machine tool to the monitoring platform through the NB-IoT module.
Further, still include RS485 interface and RS485 switch, RS485 interface and RS485 switch all with the controller electricity is connected, RS485 interface and RS485 switch all set firmly in the surface of casing, the RS485 interface is used for following host computer communication connection.
Further, the sensor zero resetting device further comprises a sensor zero resetting button, wherein the sensor zero resetting button is fixedly arranged on the surface of the shell, and the sensor zero resetting button is electrically connected with the controller.
Further, the mobile terminal further comprises a SIM card seat, wherein the SIM card seat is electrically connected with the NB-IoT module, and the SIM card seat is fixedly connected with the shell.
The antenna interface is electrically connected with the NB-IoT module, the antenna interface is fixedly arranged on the surface of the shell, and the NB-IoT radio frequency antenna is detachably connected with the antenna interface.
The utility model has the advantages that: 1. fix on the lathe through locking device, the vibration data of lathe is gathered to the vibration sensor, and the data of will vibrating is through wireless mode long-range transmission for monitor platform, can install on a plurality of lathes the utility model discloses, the vibration data of a plurality of lathes of simultaneous analysis by monitor platform again, analysis efficiency is high. 2. The locking device is a magnet, can be directly adsorbed on the machine tool, and has high installation efficiency. 3. The battery charging device supports free switching between external power supply and battery power supply, has a battery charging function, and prolongs the working time. 4. The starting and stopping states of the machine tool can be remotely monitored, and the machine tool can be conveniently managed. 5. And internal parameters are set through an RS485 interface. 6. And the zero offset correction of the vibration sensor is manually supported.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a functional block diagram of the NB-IoT based vibration collector of the present invention.
Fig. 2 is a schematic structural diagram of the NB-IoT based vibration collector of the present invention.
Fig. 3 is a block diagram of the power module according to the present invention.
Fig. 4 is a schematic circuit diagram of the external power input unit according to the present invention.
Fig. 5 is a schematic circuit diagram of the battery power input unit and the battery charging unit of the present invention.
Fig. 6 is a circuit diagram of the power switching unit and the power output unit of the present invention.
Fig. 7 is a schematic circuit diagram of a vibration sensor according to the present invention.
Fig. 8 is a circuit diagram of the NB-IoT module of the present invention.
Fig. 9 is a schematic circuit diagram of the MCU in the present invention.
Fig. 10 is a schematic circuit diagram of the RS485 interface of the present invention.
Fig. 11 is a schematic circuit diagram of the SIM card holder of the present invention.
Fig. 12 is a schematic diagram of vibration data in the present invention.
Fig. 13 is a schematic diagram of machine tool state data according to the present invention.
Detailed Description
The embodiment of the utility model provides a through providing a vibration collector based on NB-IoT, solved the technical problem that vibration data collector analysis inefficiency among the prior art, realized the long-range vibration data of collecting, improved analysis efficiency's technological effect.
The embodiment of the utility model provides an in technical scheme for solving above-mentioned problem, the general thinking is as follows: will the utility model discloses a vibration collector based on NB-IoT fixes on the lathe, gathers the vibration data of lathe, then through NB-IoT technique, sends for monitor platform, and monitor platform can the vibration data of a plurality of lathes of simultaneous analysis, raises the efficiency.
For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.
Referring to fig. 1 to 13, the preferred embodiment of the NB-IoT based vibration harvester of the present invention.
The utility model discloses a: a housing 100, wherein a locking device 101 is fixedly arranged on the surface of the housing 100; the locking device 101 is a magnet, can be directly adsorbed on a machine tool, and has high installation efficiency. A vibration sensor fixedly installed inside the casing 100; the vibration sensor collects vibration data of the machine tool. The controller is fixedly arranged in the shell and is electrically connected with the vibration sensor; the NB-IoT module is fixedly arranged inside the shell and is electrically connected with the controller; the controller can acquire vibration data of the vibration sensor and transmit the vibration data to the NB-IoT module, and the NB-IoT module can remotely transmit the vibration data to a monitoring platform in a wireless mode. The monitoring platform may be a telecommunications base station or a backend server. Can install on a plurality of lathe the utility model discloses a vibration collector based on NB-IoT is again by the vibration data of monitor platform a plurality of lathe of simultaneous analysis, and analysis efficiency is high, and then the operating condition of each lathe is gone out in the analysis. The vibration sensor adopts a gyroscope with a model JY61-MPU6050, the controller adopts an MCU with a model GD32F130G8U6, and the NB-IoT module has a model BC 95.
With reference to fig. 3, the power supply module is fixedly disposed inside the casing 100, and includes an external power input unit, a battery power input unit, a power switching unit, and a power output unit; the external power supply input unit is used for providing external power supply, namely 5V, for the power supply switching unit; the battery power supply input unit is used for providing battery power supply, namely 3.7V, for the power supply switching unit; when the power supply switching unit detects that the external power supply input unit is powered on, the external power supply is provided for the power supply output unit, and when the power supply switching unit detects that the external power supply input unit is powered off, the battery power supply is provided for the power supply output unit; the power output unit supplies power to the vibration sensor, the controller and the NB-IoT module, and the power supply of the power output unit is 3.3V.
With reference to fig. 2, the portable electronic device further includes a power switch 103 and a power indicator 104, the power switch 103 and the power indicator are both electrically connected to the power switching unit, and the power switch 103 and the power indicator are both fixedly disposed on the surface of the housing 100. The power switch 103 controls whether or not the power switching unit supplies power to the power output unit.
With reference to fig. 3, the power module further includes a battery charging unit, the external power input unit is further configured to provide the external power to the battery charging unit, the battery power input unit includes a rechargeable battery, and the battery charging unit is configured to charge the rechargeable battery. The utility model discloses support free switching of outside power supply and battery powered to and have battery charging function, extension operating time.
The external power input unit, the battery power input unit, the power switching unit, the power output unit and the battery charging unit are circuit units in the prior art. Referring to fig. 4, a schematic circuit diagram of an external power input unit is shown, which is used to convert an input power 24V into 5V. Referring to fig. 5, which is a schematic circuit diagram of the battery power input unit and the battery charging unit, U7 is a lithium battery charging chip, which has a model TP4057, and converts a 5V external power supply to 3.7V, so as to charge a lithium battery located at a battery interface P4; the charging state is as follows: the light-emitting diode D3 lights red light, and the light-emitting diode D4 lights out; the full-charge state of the battery: LED D3 goes off, LED D4 lights green; reverse connection of battery or power source undervoltage: both led D3 and led D4 were extinguished. Referring to fig. 6, which is a circuit diagram of the power switching unit and the power output unit, Q3 is a PMOS transistor, which is not turned on when the gate level is high and is turned on when the gate level is low; when an external power supply 5V (VCC _5V in the figure) exists, the gate level of the PMOS transistor Q3 is high, the PMOS transistor Q3 is not turned on, the battery power supply (VBAT _3V7 in the figure) provided by the lithium battery cannot supply power, the diode D5 is turned on, at this time, the external power supply enters the voltage stabilizer chip U10 through the power switch SW1 (corresponding to the power switch 103), the model ME6211C33M5G-N thereof, the voltage stabilizer chip U10 outputs 3.3V to supply power to the devices such as the vibration sensor, the controller and the NB-IoT module, and meanwhile, the external power supply passes through the light emitting diode D11 (corresponding to the power indicator lamp 104), and the light emitting diode D11 is turned on; when no external power supply exists, the grid of the PMOS transistor Q3 is connected to GND, the level of the grid is low, the PMOS transistor Q3, then the battery power provided by the lithium battery enters the voltage stabilizer chip U10 through the power switch SW1, and meanwhile the battery power passes through the light emitting diode D11, and since the voltage (3.7V) of the battery power is lower than that of the external power supply (5V), the brightness of the light emitting diode D11 is lower at this time. When the power switch SW1 is toggled to the left, the power supply is disconnected, and the light-emitting diode D11 is turned off; when the power switch SW1 is toggled to the right, the power is turned on and the LED D11 lights up.
The power supply switching device further comprises a power supply interface 102, the power supply interface 102 is electrically connected with the external power supply input unit, the power supply interface 102 is fixedly arranged on the surface of the shell 100, and the controller is further electrically connected with the power supply switching unit; the locking device 101 is used for being fixed on a machine tool, the power interface 102 is used for being connected with a power supply device of the machine tool, the power supply switching unit feeds detected power-off and power-on signals of the external power supply input unit back to the controller, and the controller sends state data of power-off and power-on of the machine tool to the monitoring platform through the NB-IoT module. When the machine tool is powered on, the power interface 102 is electrified to obtain 24V, so that the external power input unit provides 5V external power and transmits the external power to the power switching unit, the power switching unit reduces the voltage of the 5V signal and transmits the voltage to the controller, and the controller transmits the power-on state data of the machine tool to the monitoring platform through the NB-IoT module; when the machine tool is powered off, the power interface 102 is powered off, the external power input unit does not provide external power, the power switching unit automatically switches to a battery power, the power switching unit provides a 0V signal to the controller, and the controller sends the power-off state data of the machine tool to the monitoring platform through the NB-IoT module. Therefore, the starting and stopping states of the machine tool are remotely monitored, and the machine tool is convenient to manage. When the machine tool is started, the utility model is powered by the power supply of the machine tool; when the lathe is shut down, the utility model discloses by lithium cell power supply.
With reference to fig. 2, 7, 9 and 10, the portable electronic device further includes an RS485 interface 105 and an RS485 switch 106 (corresponding to SW2 in fig. 7), the RS485 interface 105 and the RS485 switch 106 are both electrically connected to the controller, the RS485 interface 105 and the RS485 switch 106 are both fixedly disposed on the surface of the housing 100, and the RS485 interface 105 is used for being in communication connection with an upper computer. The internal parameters of the controller are set through the RS485 interface, the RS485 switch is turned on, the parameter setting mode is entered, the RS485 switch is turned off, and the normal working mode is returned.
With reference to fig. 2, 7 and 9, the electronic device further includes a sensor zeroing button 107, the sensor zeroing button 107 is fixedly disposed on a surface of the housing 100, and the sensor zeroing button 107 is electrically connected to the controller. Supporting manual zero offset correction of the vibration sensor; namely, resetting the zero of the vibration sensor, resetting the previously acquired vibration data, and restarting the calculation; use for the first time the utility model discloses the time need manual zero, if follow-up adjustment installation gesture that does not have, then need not the operation of zero. Referring again to fig. 7, DTSA-6 is a button (corresponding to sensor ZERO button 107) that causes SW3 to close, and then generates a 0 level signal on ZERO SIGN, and the pin of the MCU receives the 0 level signal to trigger the ZERO reset.
With reference to fig. 2, 8 and 11, the mobile terminal further includes a SIM card socket 108, where the SIM card socket 108 is electrically connected to the NB-IoT module, and the SIM card socket 108 is fixedly connected to the housing 100. The SIM card holder 108 is used for accessing a special SIM card for the telecommunication internet of things. In fig. 11, P5 is a SIM card socket, and U5 is an integrated TVS (transient suppression diode) for protecting the clock signal, the data signal and the reset signal of the SIM card from surge.
With reference to fig. 2, the wireless communication device further includes an antenna interface and an NB-IoT rf antenna 109, the antenna interface is electrically connected to the NB-IoT module, the antenna interface is fixedly disposed on the surface of the casing 100, and the NB-IoT rf antenna 109 is detachably connected to the antenna interface. The NB-IoT radio frequency antenna is detachably designed, and vibration data and state data of power-on and power-off of the machine tool are sent to the telecommunication base station or the back-end server through the NB-IoT radio frequency antenna. The surface of the housing 100 is also provided with a signal strength light 110, and the signal strength light 110 is used for indicating the signal strength of the NB-IoT radio frequency antenna.
The utility model discloses a vibration collector based on NB-IoT has the function of uploading vibration data regularly; and acquiring data of the vibration sensor in real time, and sending the vibration curve of the machine tool to the monitoring platform at regular time through the NB-IoT module according to a time interval set by a user. Each time the NB-IoT module is restarted, the system immediately sends a group of data, then the waiting time is entered, and after the time interval set by the user is reached, the system sends the data again. The uploading time is set by a user through an RS485 interface, and if the uploading time is not set, the uploading time is once per hour.
The data format is: uploading 10 sets of parameters at a time, wherein the parameters are vibration curves within 1s, and the data format of each set is as follows: x-axis vibration acceleration, y-axis vibration acceleration, and z-axis vibration acceleration, as shown in fig. 12.
The utility model discloses a vibration collector based on NB-IoT has the function of judging the change of the machine tool state; the method supports real-time acquisition of the power-on state of the machine tool, and the current machine tool state is sent to the monitoring platform through the NB-IoT module each time the machine tool is powered on or powered off. And when the machine tool is started up each time, the system simultaneously uploads a group of vibration data and updates the state of the machine tool in real time.
The data format is: x (wherein X is the machine state; 0 represents Power down, 1 represents Power up), as shown in FIG. 13.
The utility model discloses a vibration collector based on NB-IoT has the function of RS485 interface inquiry setting parameter; the IMEI number of the BC95 module and the card number of the SIM card are supported through the RS485 interface, the signal intensity of the NB-IoT module is queried through the RS485 interface, and the uploading frequency of the vibration curve is set through the RS485 interface.
The utility model discloses a vibration collector's use flow based on NB-IoT:
1. a 24V power supply is connected, or an internal lithium battery is directly used;
2. turning on a power switch;
3. the power LED is on, and the signal intensity lamp is not on; at this point the system is initializing, waiting about 30 s;
4. the signal intensity lamp is turned on, and the system initialization is finished at the moment;
5. after the signal intensity lamp is reinstalled every time, the sensor zeroing key is pressed for about 5s, the signal intensity lamp enters a flashing state from a normally-on state, the hand is not loosened by pressing the key 5s, and when the signal intensity lamp is changed into a fully-on state from the flashing state, zero-offset parameter calibration is completed;
6. the setting is completed and the module begins to work
7. If parameters need to be set, the 485 switch is switched to the 485 setting state, an upper computer is used for sending a specified instruction to the 485 port, and the system can set according to the received instruction and return information. After the setting is finished, the 485 switch needs to be dialed back to the working state, otherwise, the system cannot work normally.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.
Claims (10)
1. An NB-IoT based vibration harvester, comprising:
the locking device is fixedly arranged on the surface of the shell;
the vibration sensor is fixedly arranged inside the shell;
the controller is fixedly arranged in the shell and is electrically connected with the vibration sensor;
the NB-IoT module is fixedly arranged inside the shell and is electrically connected with the controller;
the controller can acquire vibration data of the vibration sensor and then transmit the vibration data to the NB-IoT module, and the NB-IoT module can transmit the vibration data to a monitoring platform.
2. An NB-IoT based vibration harvester according to claim 1, wherein the locking device is a magnet.
3. The NB-IoT based vibration collector as claimed in claim 1, further comprising a power supply module, wherein the power supply module is fixedly arranged inside the housing, and the power supply module comprises an external power supply input unit, a battery power supply input unit, a power supply switching unit and a power supply output unit;
the external power supply input unit is used for providing external power supply for the power supply switching unit;
the battery power supply input unit is used for providing battery power supply for the power supply switching unit;
when the power supply switching unit detects that the external power supply input unit is powered on, the external power supply is provided for the power supply output unit, and when the power supply switching unit detects that the external power supply input unit is powered off, the battery power supply is provided for the power supply output unit;
the power output unit supplies power to the vibration sensor, the controller and the NB-IoT module.
4. The NB-IoT based vibration collector as claimed in claim 3, further comprising a power switch and a power indicator, wherein the power switch and the power indicator are both electrically connected to the power switching unit, and the power switch and the power indicator are both fixedly arranged on the surface of the housing.
5. The NB-IoT based vibration collector as claimed in claim 3, wherein the power module further comprises a battery charging unit, the external power input unit is further configured to provide the external power to the battery charging unit, the battery power input unit comprises a rechargeable battery, and the battery charging unit is configured to charge the rechargeable battery.
6. The NB-IoT based vibration collector as claimed in claim 3, further comprising a power interface electrically connected to the external power input unit, the power interface being fixed to the surface of the housing, the controller being further electrically connected to the power switching unit;
the locking device is used for being fixed on a machine tool, the power interface is used for being connected with a power supply device of the machine tool, the power supply switching unit feeds detected power-off and power-on signals of the external power supply input unit back to the controller, and the controller sends state data of power-off and power-on of the machine tool to the monitoring platform through the NB-IoT module.
7. The NB-IoT-based vibration collector as claimed in claim 5, further comprising an RS485 interface and an RS485 switch, wherein the RS485 interface and the RS485 switch are both electrically connected to the controller, the RS485 interface and the RS485 switch are both fixedly arranged on the surface of the housing, and the RS485 interface is used for being in communication connection with an upper computer.
8. An NB-IoT based vibration harvester according to claim 1 and further comprising a sensor zeroing button secured to a surface of the housing, the sensor zeroing button being electrically connected to the controller.
9. The NB-IoT based vibration collector as claimed in claim 1, further comprising a SIM socket electrically connected to the NB-IoT module, the SIM socket being fixedly connected to the housing.
10. The NB-IoT-based vibration collector as claimed in claim 1, further comprising an antenna interface and an NB-IoT radio frequency antenna, wherein the antenna interface is electrically connected with the NB-IoT module, the antenna interface is fixedly arranged on the surface of the housing, and the NB-IoT radio frequency antenna is detachably connected with the antenna interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120232066.9U CN214475508U (en) | 2021-01-27 | 2021-01-27 | Vibration collector based on NB-IoT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120232066.9U CN214475508U (en) | 2021-01-27 | 2021-01-27 | Vibration collector based on NB-IoT |
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| Publication Number | Publication Date |
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| CN214475508U true CN214475508U (en) | 2021-10-22 |
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| CN202120232066.9U Active CN214475508U (en) | 2021-01-27 | 2021-01-27 | Vibration collector based on NB-IoT |
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| CN (1) | CN214475508U (en) |
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2021
- 2021-01-27 CN CN202120232066.9U patent/CN214475508U/en active Active
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