CN218824599U - Wireless intelligent motor sensor - Google Patents
Wireless intelligent motor sensor Download PDFInfo
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- CN218824599U CN218824599U CN202222326709.3U CN202222326709U CN218824599U CN 218824599 U CN218824599 U CN 218824599U CN 202222326709 U CN202222326709 U CN 202222326709U CN 218824599 U CN218824599 U CN 218824599U
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Abstract
The utility model discloses a wireless intelligent motor sensor in the field of motor detection, which comprises a detection circuit board, a shell main body and a shell base; the shell main body is connected with the shell base through bolts; the detection circuit board is arranged in the shell main body and connected to the shell base; the detection circuit board is provided with a power supply circuit, a voltage detection circuit, a temperature detection circuit for detecting the temperature of the external motor and a vibration detection circuit for detecting the vibration of the external motor; the processor of the wireless transmission control circuit processes the temperature signal acquired by the temperature detection circuit and the vibration signal acquired by the vibration detection circuit and transmits the processed signals to the upper computer through the antenna; the utility model discloses incite somebody to action detection circuitry board sets up in the shell main part, shell pedestal mounting realizes detecting external motor temperature and vibration on external motor, has the installation of being convenient for, compact structure, characteristics with low costs.
Description
Technical Field
The utility model belongs to the technical field of the motor detects, concrete excavator safety device.
Background
The detection devices such as the vibration sensor, the temperature sensor and the like are widely applied to mechanical equipment such as a steam turbine, a water turbine, a fan, a motor and the like, in order to master the running conditions of the equipment in real time, avoid and reduce the occurrence of faults of the equipment, achieve digital management and real-time predicted maintenance, and have to monitor the running states of the equipment in real time to ensure the healthy and efficient running of the equipment, wherein the temperature and the vibration parameters are important indexes of the health of the equipment. The intelligent sensor can effectively detect the running state of the motor and monitor and diagnose the equipment in real time. Most temperature, vibration sensors at present are wired sensors, need external power supply, and the installation difficulty of very big influence sensor has restricted the application of sensor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wireless intelligent motor sensor has the installation of being convenient for, compact structure, characteristics with low costs.
In order to achieve the above object, on the one hand the utility model discloses the technical scheme who adopts is:
a wireless intelligent motor sensor comprises a detection circuit board, a shell main body and a shell base; the detection circuit board is arranged in the shell main body and connected to the shell base;
the detection circuit board is provided with a power supply circuit, a voltage detection circuit, a temperature detection circuit for detecting the temperature of the external motor and a vibration detection circuit for detecting the vibration of the external motor; the voltage detection circuit, the temperature detection circuit and the vibration detection circuit are electrically connected to the wireless transmission control circuit; the power supply circuit supplies power for the voltage detection circuit, the temperature detection circuit, the vibration detection circuit and the wireless transmission control circuit; the voltage detection circuit is used for detecting the power supply voltage in the power supply circuit;
the wireless transmission control circuit comprises a processor, an impedance matching circuit and the antenna; the processor is connected with the antenna circuit through an impedance matching circuit; the processor is configured to process the temperature signal acquired by the temperature detection circuit and the vibration signal acquired by the vibration detection circuit and transmit the processed signals to the upper computer through the antenna.
Preferably, the impedance matching circuit comprises an impedance resistor, a first capacitor and a second capacitor; the processor, the impedance resistor and the first port of the antenna are sequentially connected in a circuit manner; the second port of the antenna is grounded; a first branch circuit is arranged between the impedance resistor and the processor; the first capacitor is arranged on the first branch circuit; a second branch circuit is arranged between the impedance resistor and the antenna, and the second capacitor is arranged on the second branch circuit; the first branch circuit and the second branch circuit are grounded.
Preferably, the device further comprises a SIM card circuit electrically connected to the processor; the SIM card circuit comprises an SIM card and an esd protection tube; the SIM card is electrically connected with the processor; a capacitor connected with the SIM card in parallel is arranged on the SIM card circuit; the esd protection tube is arranged on a signal line of the SIM card.
Preferably, the processor is connected with an LED indicating circuit, and the LED indicating circuit is provided with a mos tube for controlling the LED lamp to be switched on and switched off; the processor is further configured to turn on the LED lamp according to a preset temperature threshold and/or a supply voltage threshold.
Preferably, the detection circuit board further comprises a vibration energy collector, and the vibration energy collector is arranged on the detection circuit board close to the casing base.
Preferably, a groove is arranged on the shell base; the detection circuit board is connected with the groove of the shell base through adhesive.
Preferably, mounting holes are formed in two sides of the base of the shell; the sensor is configured to be connected to an external motor by a bolt passing through the mounting hole.
Preferably, the housing main body and the housing base are connected by bolts; and a sealing ring is also arranged between the shell main body and the shell base.
Compared with the prior art, the utility model discloses the beneficial effect who reaches:
in the utility model, a power supply circuit, a voltage detection circuit, a temperature detection circuit for detecting the temperature of the external motor and a vibration detection circuit for detecting the vibration of the external motor are integrated into the detection circuit board; will the detection circuit board sets up in the shell main part to be connected to the shell base, the shell base is installed on external motor, realizes detecting external motor temperature and vibration, has the installation of being convenient for, compact structure, characteristics with low costs.
In the utility model, the voltage detection circuit, the temperature detection circuit and the vibration detection circuit are electrically connected to the wireless transmission control circuit; the processor of the wireless transmission control circuit processes the temperature signal acquired by the temperature detection circuit and the vibration signal acquired by the vibration detection circuit and transmits the processed signals to the upper computer through the antenna; external wires in the detection circuit are reduced through wireless connection and circuit integration, so that the sensor is more convenient to connect, and the structure is more compact.
The wireless transmission control circuit of the utility model comprises a processor, an impedance matching circuit and the antenna; the processor is connected with the antenna circuit through an impedance matching circuit; the required impedance specifications of the antenna and the processor are adjusted through the impedance matching circuit, so that the load power is adjusted and the signal reflection is suppressed.
Drawings
Fig. 1 is a structural diagram of a wireless intelligent motor sensor provided in an embodiment of the present invention;
fig. 2 is a connection block diagram of the detection circuit board provided by the embodiment of the present invention;
fig. 3 is a schematic structural view of an embodiment of the power module of the present invention;
fig. 4 is a schematic structural diagram of an embodiment of the voltage detection circuit of the present invention;
fig. 5 is a schematic structural diagram of an embodiment of the vibration detection circuit of the present invention;
fig. 6 is a schematic structural diagram of an embodiment of the temperature detection circuit of the present invention;
fig. 7 is a schematic structural diagram of an embodiment of the LED indicating circuit of the present invention;
fig. 8 is a schematic structural diagram of an embodiment of the impedance matching circuit of the present invention;
fig. 9 is a schematic structural diagram of an embodiment of the SIM card circuit of the present invention;
in the figure: the device comprises a shell base 1, a mounting hole 11, a shell main body 2, an impedance resistor 21, an antenna 22, a first capacitor 23, a second capacitor 24, a bolt 3, a sealing ring 4, a detection circuit board 5, a battery 6 and a fixing sponge 7.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention but do not require the present invention to be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1, a wireless intelligent motor sensor includes a detection circuit board 5, a housing main body 2 and a housing base 1; the shell main body 2 and the shell base 1 are connected through bolts 3; still include sealing washer 4 between shell main part 2 and the shell base 1, guarantee the waterproof dustproof grade of sensor. The detection circuit board 5 is arranged in the shell main body 2 and connected to the shell base 1; a fixing sponge 7 for protecting the detection circuit board is arranged in the shell main body 2; a groove is formed in the shell base 1, and the detection circuit board 5 is positioned through the groove; the detection circuit board 5 is connected with the groove of the shell base 1 through an adhesive, and the protection grade of the sensor is improved through the shell; mounting holes 11 are formed in two sides of the shell base 1; the bolt is connected to the external motor by passing through the mounting hole 11.
As shown in fig. 2, the detection circuit board is provided with a power circuit, a voltage detection circuit, a temperature detection circuit for detecting the temperature of the external motor, and a vibration detection circuit for detecting the vibration of the external motor; the voltage detection circuit, the temperature detection circuit and the vibration detection circuit are electrically connected to the wireless transmission control circuit; the power supply circuit supplies power for the voltage detection circuit, the temperature detection circuit, the vibration detection circuit and the wireless transmission control circuit; as shown in fig. 3, the power supply circuit includes a battery 6 and a regulator chip U11. The battery 6 is coupled to an input end of the voltage stabilizing chip U11, and an output end of the voltage stabilizing chip U11 is connected with the main control module; the battery 6 can be, but is not limited to, a lithium sub-battery, and the voltage stabilizing chip U11 model number TLV70430DBVR can convert the voltage of 3.6V into 3.0V to supply power for the main control module.
The detection circuit board further comprises a vibration energy collector, and the vibration energy collector is arranged on the detection circuit board close to the shell base. The vibration energy harvester can be but is not limited to a nano-piezoelectric motor or other vibration generator which can be integrated to a circuit board; the vibration energy harvester is connected to a capacitor to store an amount of electrical power. The capacitor is connected to the detection circuit board through the rectifying and amplifying circuit, and when the battery power is low, the vibration energy collector is started to supply power. The self vibration mechanical energy of the motor is converted into electric energy, and the energy supply of the sensor is optimized.
The voltage detection circuit is used for detecting the power supply voltage in the power supply circuit; as shown in fig. 4, the voltage detection circuit includes an amplifier a. The reverse input end of the amplifier is connected with the cathode of the power module, the same-direction input end of the amplifier is connected with the anode of the power circuit, and the output end of the amplifier is connected with the processor. In application, the voltage detection circuit comprises a second P-mos tube Q7 and an N-mos tube Q8. The source electrode of the N-mos tube Q8 is grounded, the grid electrode of the N-mos tube Q8 is connected with the main control module through the TP11 interface, the drain electrode of the N-mos tube Q8 is connected with the grid electrode of the second P-mos tube Q7, the source electrode of the second P-mos tube Q7 is connected with the battery, and the drain electrode of the second P-mos tube Q7 is coupled with the amplifier A.
As shown in fig. 5, the vibration detection circuit includes a monitor chip U1. The input end of the monitoring chip U1 is coupled with the three-axis vibration sensor, and the output end of the monitoring chip is coupled with the main control module. In application, the model of the monitoring chip U1 is LIS2DW12; no. 3 pin SA0 of the monitoring chip U1 is not connected with the sixteenth resistor R16, so that the pin is kept suspended, and electric leakage caused by internal pull-up of the monitoring chip U1 is prevented.
In practical application, if the vibration signal is greater than a preset vibration threshold value, the monitoring chip U1 outputs a low level, the main control module enters a normal sampling mode, and the three-axis vibration sensor is controlled to perform high-frequency sampling; if the vibration signal is smaller than the preset vibration threshold value, the monitoring chip U1 outputs a high level, the main control module keeps a low-power-consumption sampling mode, the three-axis vibration sensor is controlled to continuously sample at a low frequency, and meanwhile, the power consumption is reduced.
As shown in fig. 6, the temperature sensor monitoring module includes a driver chip U2. The input end of the driving chip U2 is coupled with the main control module, and the output end of the driving chip U2 is connected with the temperature sensor. In application, the model of the driving chip U2 is GX18B20U.
The wireless transmission control circuit includes a processor, an impedance matching circuit, and the antenna 22; the processor is electrically connected with the antenna 22 through an impedance matching circuit; the processor of the wireless transmission control circuit processes the temperature signal acquired by the temperature detection circuit and the vibration signal acquired by the vibration detection circuit and transmits the processed signals to the upper computer through the antenna.
As shown in fig. 7, the processor is connected with an LED indicating circuit, and the LED indicating circuit is provided with a mos tube for controlling the switching of the LED lamp; the shell main body is provided with an observation window corresponding to the LED lamp; a VDD IO port of the processor, the LED lamp and a third port of the mos tube are sequentially connected; the second port of the mos tube is grounded; the first port of the mos tube, the resistor R61 and the LED port of the processor are sequentially connected; one end of the resistor 62 is connected to a first port of the mos tube, and the other end of the resistor 62 is connected to a second port; a temperature threshold value and a voltage threshold value for turning on the LED lamp are arranged in the processor; when the temperature value detected by the temperature detection circuit exceeds the temperature threshold value and/or the voltage value detected by the voltage detection circuit is lower than the voltage threshold value, the LED lamp is controlled to be turned on through the mos tube to play a warning role.
As shown in fig. 8, the impedance matching circuit includes an impedance resistor 21, a first capacitor 23, and a second capacitor 24; the processor, the impedance resistor 21 and the first port of the antenna 22 are sequentially connected in a circuit; a second port of the antenna 22 is grounded; a first branch circuit is arranged between the impedance resistor 21 and the processor; the first capacitor 23 is disposed on the first branch circuit; a second branch circuit is arranged between the impedance resistor 21 and the antenna 22, and the second capacitor 24 is arranged on the second branch circuit; the first branch circuit and the second branch circuit are grounded.
As shown in fig. 9, the processor is electrically connected to the SIM card circuit; the SIM card circuit comprises an SIM card and an esd protection tube; the SIM card is electrically connected with the processor; the type of the SIM card is USIM-eSIM; a capacitor connected with the SIM card in parallel is arranged on the SIM card circuit; the esd protection tube is arranged on a signal wire of the SIM card; the esd protection tube is model number ESDA6V8AV6.
In the utility model, a power supply circuit, a voltage detection circuit, a temperature detection circuit for detecting the temperature of the external motor and a vibration detection circuit for detecting the vibration of the external motor are integrated into the detection circuit board; the detection circuit board is arranged in the shell main body and connected to the shell base, the shell base is installed on the external motor, the temperature and vibration of the external motor are detected, and the detection circuit board has the advantages of being convenient to install, compact in structure and low in cost.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (8)
1. A wireless intelligent motor sensor is characterized by comprising a detection circuit board, a shell main body and a shell base; the detection circuit board is arranged in the shell main body and connected to the shell base;
the detection circuit board is provided with a power supply circuit, a voltage detection circuit, a temperature detection circuit for detecting the temperature of the external motor and a vibration detection circuit for detecting the vibration of the external motor; the voltage detection circuit, the temperature detection circuit and the vibration detection circuit are electrically connected to the wireless transmission control circuit; the power supply circuit supplies power for the voltage detection circuit, the temperature detection circuit, the vibration detection circuit and the wireless transmission control circuit; the voltage detection circuit is used for detecting the power supply voltage in the power supply circuit;
the wireless transmission control circuit comprises a processor, an impedance matching circuit and an antenna; the processor is connected with the antenna through a circuit through an impedance matching circuit; the processor is configured to process the temperature signal acquired by the temperature detection circuit and the vibration signal acquired by the vibration detection circuit and transmit the processed signals to the upper computer through the antenna.
2. A wireless smart motor sensor as recited in claim 1, wherein the impedance matching circuit comprises an impedance resistor, a first capacitor, and a second capacitor; the processor, the impedance resistor and the first port of the antenna are sequentially connected in a circuit manner; the second port of the antenna is grounded; a first branch circuit is arranged between the impedance resistor and the processor; the first capacitor is arranged on the first branch circuit; a second branch circuit is arranged between the impedance resistor and the antenna, and the second capacitor is arranged on the second branch circuit; the first branch circuit and the second branch circuit are grounded.
3. A wireless smart motor sensor as claimed in claim 1, further comprising a SIM card circuit electrically connected to the processor; the SIM card circuit comprises an SIM card and an esd protection tube; the SIM card is electrically connected with the processor; a capacitor connected with the SIM card in parallel is arranged on the SIM card circuit; the esd protection tube is arranged on a signal line of the SIM card.
4. The wireless intelligent motor sensor of claim 1, wherein the processor is connected with an LED indicating circuit, and the LED indicating circuit is provided with a mos tube for controlling the switching of an LED lamp; the processor is further configured to turn on the LED lamp according to a preset temperature threshold and/or a supply voltage threshold.
5. A wireless smart motor sensor as recited in claim 1, wherein the sense circuit board further comprises a vibration energy harvester disposed on the sense circuit board proximate the housing base.
6. A wireless intelligent motor sensor according to any one of claims 1 to 5, wherein a groove is arranged on the base of the housing; the detection circuit board is connected with the groove of the shell base through adhesive.
7. A wireless intelligent motor sensor according to any one of claims 1-5, wherein mounting holes are arranged on two sides of the housing base; the sensor is configured to be connected to an external motor by a bolt passing through the mounting hole.
8. A wireless intelligent motor sensor according to any one of claims 1-5, wherein the housing main body and the housing base are connected by bolts; and a sealing ring is also arranged between the shell main body and the shell base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222326709.3U CN218824599U (en) | 2022-09-02 | 2022-09-02 | Wireless intelligent motor sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222326709.3U CN218824599U (en) | 2022-09-02 | 2022-09-02 | Wireless intelligent motor sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218824599U true CN218824599U (en) | 2023-04-07 |
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ID=87278296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222326709.3U Active CN218824599U (en) | 2022-09-02 | 2022-09-02 | Wireless intelligent motor sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218824599U (en) |
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2022
- 2022-09-02 CN CN202222326709.3U patent/CN218824599U/en active Active
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