CN216012327U - Separated temperature and vibration integrated sampling sensor - Google Patents
Separated temperature and vibration integrated sampling sensor Download PDFInfo
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- CN216012327U CN216012327U CN202122227201.3U CN202122227201U CN216012327U CN 216012327 U CN216012327 U CN 216012327U CN 202122227201 U CN202122227201 U CN 202122227201U CN 216012327 U CN216012327 U CN 216012327U
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Abstract
The utility model discloses a disconnect-type temperature and vibration integrative sampling sensor, including power supply unit, measuring unit, antenna unit, data transfer unit, power supply unit includes external battery compartment and the first base that is used for installing external battery compartment, the battery in the external battery compartment provides the electric energy for the operation of sensor, be provided with a plurality of first wiring mouth on the first base, or power supply unit is external switching power supply, measuring unit includes box body and the second base that is used for installing the box body, be provided with the sensor circuit board in the box body, install acceleration sensor, temperature sensor, memory, MCU controller on the sensor circuit board in proper order, be provided with a plurality of second wiring mouth on the second base, antenna unit includes the antenna, the antenna is installed on the first base, the antenna is used for gaining to the signal, the power supply unit is separated from the detection unit, so that the sensor is flexible and convenient to install, occupies a small space, and can realize the self-detection function of the sensor.
Description
Technical Field
The utility model relates to a detect technical field, especially relate to an integrative sampling sensor of disconnect-type temperature shake.
Background
In the modern industry developing at a high speed, the development of the modern test technology towards digitization and informatization is a certain development trend, and the most front end of the test system is a sensor, which is the soul of the whole test system and is listed as the top technology by countries in the world, in particular to the IC technology and the computer technology developing rapidly in recent years, so that a good and reliable scientific and technical basis is provided for the development of the sensor. The development of the sensor is growing day after month, and digitization, multiple functions and intellectualization are important characteristics of the development of the modern sensor.
An acceleration sensor is a sensor capable of measuring the amplitude of vibration. The damper is generally composed of a mass block, a damper, an elastic element, a sensitive element, an adjusting circuit and the like. In the acceleration process, the sensor measures the inertia force borne by the mass block and obtains an acceleration value by utilizing a Newton's second law so as to determine the vibration amplitude. Common acceleration sensors include capacitive, inductive, strain, piezoresistive, piezoelectric, etc. depending on the sensor sensing element. The wireless intelligent sensor of the internet of things integrates two modern technologies, namely wireless connection and an intelligent sensor, and data acquisition and transmission are achieved. The existing wireless sampling sensor is short in standby time generally, a battery needs to be replaced in time, continuous monitoring cannot be achieved, and when data is abnormal, a user needs to check or derive the data on site, an automatic alarm function is omitted, remote monitoring cannot be achieved in real time, and certain limitation is achieved. Moreover, products on the market are large in size, high in power consumption, limited in installation and cruising ability, all of which are of an integrated structure, and are inconvenient to install and sample in a narrow space.
Disclosure of Invention
The utility model overcomes prior art's is not enough, provides an integrative sampling sensor of disconnect-type temperature shake.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a separated temperature and vibration integrated sampling sensor comprises a power supply unit, a measuring unit, an antenna unit and a data transmission unit;
the power supply unit comprises an external battery bin and a first base used for installing the external battery bin, a battery in the external battery bin provides electric energy for the operation of the sensor, and a plurality of first wiring ports are arranged on the first base, or the power supply unit is an external switching power supply;
the measuring unit comprises a box body and a second base used for installing the box body, a sensor circuit board is arranged in the box body, an acceleration sensor, a temperature sensor, a storage and an MCU controller are sequentially installed on the sensor circuit board, and a plurality of second wiring ports are formed in the second base;
the antenna unit comprises an antenna, the antenna is arranged on the first base, and the antenna is used for gaining signals;
the data transmission unit comprises a WIFI transmitter for transmitting the detection data to the user terminal through the wireless antenna.
Furthermore, in a preferred embodiment of the present invention, a cooling fan is disposed in the external switching power supply, and an LED power indicator is disposed on an outer surface of the cooling fan.
Furthermore, in a preferred embodiment of the present invention, the sensor circuit board is mounted with a vibration sensor and a temperature sensor, and the acceleration sensor is used for collecting X, Y, Z vibration acceleration amplitudes in three directions.
Further, the utility model discloses a in a preferred embodiment, the MCU controller handles the back to the data that temperature sensor, acceleration sensor gathered, sends to the high in the clouds through WIFI.
Furthermore, in a preferred embodiment of the present invention, a plurality of LED indicators are further disposed on the surface of the box body.
Furthermore, in a preferred embodiment of the present invention, the sensor circuit board, the second base and the box body are all cylindrical structures.
Furthermore, in a preferred embodiment of the present invention, the first wire connection port and the second wire connection port are connected by a wire.
Furthermore, in a preferred embodiment of the present invention, the bottom of each of the first base and the second base is provided with a magnetic seat or a mounting hole.
Further, the utility model discloses a in a preferred embodiment, still be provided with the stabiliser on the sensor circuit board, the stabiliser is used for stabilizing circuit voltage to guarantee that circuit components and parts have stable supply voltage in whole external battery compartment life cycle.
Further, in a preferred embodiment of the present invention, the box body is made of a metal material.
The utility model provides a defect that exists among the background art, the utility model discloses possess following beneficial effect: the scheme has small appearance and volume, can realize WIFI transmission, vibration and temperature monitoring and data storage functions, has low power consumption, and can achieve the theoretical endurance of the battery in the battery compartment for 5 years; the self-detection function of the sensor can be realized, and the self-detection function comprises an electric quantity monitoring curve, electric quantity remaining usable time prediction, short message and mail low-electric-quantity alarm and high-temperature automatic alarm; the power supply unit and the measuring unit are of a separated structure, the problem that the installation is inconvenient due to the fact that the size of the battery is too large is solved, and the measuring unit can be installed in a narrow space.
Drawings
Embodiments of the present invention will be understood more fully from the accompanying drawings of various embodiments of the invention given below, which, however, should not be taken to limit the invention to the specific embodiments, but are for explanation and understanding only, and other drawings may be devised by those skilled in the art without inventive faculty;
fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the wiring of the present invention;
FIG. 3 is a functional block diagram of the present invention;
FIG. 4 is a flow chart of the present invention;
in the figure: 101. an external battery compartment; 102. a first base; 103. a first wiring port; 104. a box body; 105. a second base; 106. an antenna; 107. a wire; 108. and a second wiring port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Reference throughout this specification to "an embodiment," "one embodiment," "some embodiments," or "other embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiments is included in at least some embodiments, but not necessarily all embodiments. The various appearances of "an embodiment," "one embodiment," or "some embodiments" are not necessarily all referring to the same embodiments. If the specification states a component, feature, structure, or characteristic "may", "might", or "could" be included, that particular component, feature, structure, or characteristic is not required to be included. If the specification or claim refers to "a" or "an" element, that does not mean there is only one of the element. If the specification or claim refers to "a further" element, that does not preclude there being more than one of the further element. Furthermore, the particular features, structures, functions, or characteristics may be combined in any suitable manner in one or more embodiments. For example, a first embodiment may be combined with a second embodiment as long as the particular features, structures, functions, or characteristics associated with the two embodiments are not mutually exclusive.
In the description of the present invention, unless otherwise specified the use of the ordinal adjectives "first", "second", and "third", etc., to describe a common object, merely indicate that different instances of like objects are being referred to, and are not intended to imply that the objects so described must be in a given sequence, either temporally, spatially, in ranking, or in any other manner. In the description of the invention, unless otherwise specified, "a plurality" means two or more.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Referring to fig. 1-4, a separate temperature and vibration integrated sampling sensor includes a power unit, a measuring unit, an antenna unit, and a data transmission unit;
the power supply unit comprises an external battery bin 101 and a first base 102 used for installing the external battery bin 101, batteries in the external battery bin 101 provide electric energy for the operation of the sensor, and a plurality of first wiring ports 103 are arranged on the first base 102, or the power supply unit is an external switching power supply;
the measuring unit comprises a box body 104 and a second base 105 used for installing the box body 104, a sensor circuit board is arranged in the box body 104, an acceleration sensor, a temperature sensor, a memory and an MCU controller are sequentially installed on the sensor circuit board, and a plurality of second wiring ports 108 are arranged on the second base 105;
the antenna 106 unit comprises an antenna 106, the antenna 106 is mounted on the first base 102, and the antenna 106 is used for gaining signals;
the data transmission unit includes a WIFI transmitter for transmitting the detection data to the user terminal through the wireless antenna 106.
It should be noted that, the first base 102 and the second base 105 are both provided with a wiring port, the first base 102 is used for installing the external battery compartment 101, the second base 105 is used for installing the testing box 104, and the first base 102 is electrically connected with the second base 105 through the wire 107, so that the external battery compartment 101 and the box 104 can be separated, the installation is flexible, the occupied space is very small, the use of a large battery is facilitated, the service life of the battery is prolonged, on the other hand, the installation position is flexible, the field of equipment, such as an iron sheet, can be effectively avoided, the interference and the shielding of wireless signals can be effectively avoided, the connection strength of the wireless signals can be effectively improved, and the unnecessary electric quantity loss can be reduced.
Furthermore, in a preferred embodiment of the present invention, a cooling fan is disposed in the external switching power supply, and an LED power indicator is disposed on an outer surface of the cooling fan.
It should be noted that, in a preferred embodiment of the present invention, the power supply unit has two modes: the first base is used for mounting the external battery bin; the other is to use an external switching power supply, so that 220V alternating current can be converted into 3.3V or 5V direct current required by the sensor, and the two modes can provide electric energy for the operation of the sensor.
Furthermore, in a preferred embodiment of the present invention, the sensor circuit board is mounted with a vibration sensor and a temperature sensor, and the acceleration sensor is used for collecting X, Y, Z vibration acceleration amplitudes in three directions.
It should be noted that, in a preferred embodiment of the present invention, in addition to the conventional measurement of temperature and vibration data, edge calculations such as local storage and local analysis of data may also be performed, and network transmission of data is performed by using a way of collecting data at high frequency and transmitting data at low frequency in a packet manner, so as to save battery consumption; OTA upgrading of the embedded firmware is provided, and remote wireless automatic upgrading of the sensor firmware can be realized without field wired connection.
Further, the utility model discloses a in a preferred embodiment, the MCU controller handles the back to the data that temperature sensor, acceleration sensor gathered, sends to the high in the clouds through WIFI.
It should be noted that, in a preferred embodiment of the present invention, the vibration sampling analysis frequency of the acceleration sensor is 6KHZ, the g value can reach ± 16g, 3/6 axes can be sampled simultaneously, and the temperature measurement range is-40 to 115 ℃.
Furthermore, in a preferred embodiment of the present invention, a plurality of LED indicators are further disposed on the surface of the box 104.
Further, in a preferred embodiment of the present invention, the sensor circuit board, the second base 105 and the box 104 are all cylindrical structures.
It should be noted that, in a preferred embodiment of the present invention, the sensor circuit board adopts a cylindrical structure, the space requirement for the field installation position is low, and compared with the rectangular sensor circuit board installed vertically, the circular P sensor circuit board can be installed and contacted with the second base 105 more closely, so that the present invention has better vibration measurement performance and improves the accuracy of the measurement data.
Further, in a preferred embodiment of the present invention, the first wire connection port 103 and the second wire connection port 108 are connected by a wire 107.
Further, in a preferred embodiment of the present invention, magnetic seats or mounting holes are disposed at the bottom of the first base 102 and the bottom of the second base 105.
Further, the utility model discloses a in a preferred embodiment, still be provided with the stabiliser on the sensor circuit board, the stabiliser is used for stabilizing circuit voltage to guarantee that circuit components and parts have stable supply voltage in whole external battery storehouse 101 life cycle.
It should be noted that, the voltage stabilizer employs a DC/DC converter, and as the working time of the battery in the external battery compartment 101 increases, the voltage of the battery in the external battery compartment 101 is necessarily reduced, but the operation of the circuit components requires a stable voltage to be a uniform measurement reference, so that the voltage stabilization needs to be performed through the DC/DC converter, and a stable power supply voltage of the circuit components in the whole battery life cycle can be ensured.
Further, in a preferred embodiment of the present invention, the box 104 is made of a metal material.
The utility model discloses a work flow does: after the power is on, the LED red lamp is on, and after 3s, the LED red lamp is off, which represents that the circuit is electrified and in a running state. And then the system runs, the sensor is turned on for sampling, the sensor is turned off after sampling is finished, data processing is carried out, WIFI is turned on again, the LED green light is turned on after networking is successful, and then flash extinguishing is carried out. And carrying out data transmission. If the network is abnormal, the network is stopped when the transmission is overtime, the data is stored, the sleep state is entered, and the process is repeated when the data is transmitted next time.
After the sensor is powered on, the red LED is lightened, each pin and each interface of the system are initialized, the red LED is turned off after initialization, WIFI configuration is detected, if the WIFI is not configured, the green LED flickers, a distribution network is waited, and the green LED is turned off after the distribution network is completed.
The network distribution process of the sensor is as follows:
1. connecting a target WIFI by the mobile phone, opening specified APP software, entering a configuration interface, inputting a target WIFI password, and requesting a distribution network;
2. the sensor starts a promiscuous mode to monitor all network data packets;
3. the mobile phone circularly sends the ssid/password through broadcasting and multicasting;
4. the sensor acquires configuration information through a UDP packet to capture the ssid/password, and the sensor is connected with the router to complete the distribution network;
5. the sensor writes the configuration information into the memory, and directly reads the configuration information when the sensor is started next time without a distribution network again.
After the distribution network is completed, the sensor is connected with a network time service server, the current time is synchronized, then the sensor is connected with a remote cloud server, whether new firmware exists or not is detected, OTA upgrading is executed if the new firmware exists, otherwise, WIFI is turned off, and then a data acquisition stage is started.
The data acquisition starts to read last storage parameters from the memory, wherein the last storage parameters comprise configuration parameters such as storage packet number, uploading failure packet number, sensor sampling point number, sampling time interval, uploading packet number, acceleration range and the like, and then, according to the configuration parameters, the data of each sensor are sampled and stored in the memory.
The voltage of the power supply battery and the voltage of the chip power supply are detected through the analog quantity detection function, and the server side can judge the power supply and working conditions of the sensor according to the voltage parameters, and whether the battery needs to be replaced or not.
The sensor is integrated with a non-contact infrared temperature sensor, the infrared sensitive thermopile detector is used for detecting the temperature of an object and then conditioning signals, and data are transmitted to the sensor MCU through the IIC bus.
The sensor is provided with a triaxial acceleration sensor for detecting vibration signals, a movable mass block which is a standard flat capacitor is arranged in the acceleration sensor, the change of the acceleration drives the movable mass block to move, so that the distance and the dead area of two stages of flat capacitors are changed, the acceleration is calculated by measuring the capacitance change, and the acceleration sensor converts the acceleration value into digital signals and transmits the digital signals to the MCU through the SPI bus.
After the sensor collects corresponding sensor data according to the configuration parameters, the data are stored in a memory, and then whether the storage is accumulated until the current time meets the requirement of the configured sending packet number is calculated, if not, the storage packet number is updated, and the data are stored in the memory and then are dormant to wait for the next time of data collection. And if the requirement of sending the packet number is met, connecting WIFI. And then, the sensor calculates the number of the data packets to be uploaded, the data packets are sequentially read from the memory, and the data packets are packaged into a json format and then uploaded to the cloud server. And after uploading is finished, calculating the number of the uploaded data packets and the uploading speed, uploading the data to the cloud server, if the data packets fail to be uploaded, storing the data packets into a memory after calculation, and retransmitting the data packets again when uploading next time.
After data uploading is completed, firstly synchronizing network time, calibrating sensor time, then reading configuration parameters of the cloud server, if the configuration parameters are updated, storing the configuration parameters into a memory, and updating and using new configuration parameters when the configuration parameters are acquired next time. And then OTA detection is carried out, if new firmware exists, updating is restarted after downloading, if not, the system sleeps to wait for next data acquisition, and then the system flow is circularly repeated.
In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the 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 (10)
1. The utility model provides an integrative sampling sensor of disconnect-type temperature vibration, includes power supply unit, measuring element, antenna element, data transfer unit, its characterized in that:
the power supply unit comprises an external battery bin and a first base used for installing the external battery bin, a battery in the external battery bin provides electric energy for the operation of the sensor, and a plurality of first wiring ports are arranged on the first base, or the power supply unit is an external switching power supply;
the measuring unit comprises a box body and a second base used for installing the box body, a sensor circuit board is arranged in the box body, an acceleration sensor, a temperature sensor, a storage and an MCU controller are sequentially installed on the sensor circuit board, and a plurality of second wiring ports are formed in the second base;
the antenna unit comprises an antenna, the antenna is arranged on the first base, and the antenna is used for gaining signals;
the data transmission unit comprises a WIFI transmitter for transmitting the detection data to the user terminal through the wireless antenna.
2. The separated temperature and vibration integrated sampling sensor according to claim 1, wherein: a cooling fan is arranged in the external switching power supply, and an LED power supply indicator lamp is arranged on the outer surface of the external switching power supply.
3. The separated temperature and vibration integrated sampling sensor according to claim 1, wherein: and a vibration sensor and a temperature sensor are installed on the sensor circuit board, and the acceleration sensor is used for collecting X, Y, Z vibration acceleration amplitudes in three directions.
4. The separated temperature and vibration integrated sampling sensor according to claim 1, wherein: and the MCU controller processes the data acquired by the temperature sensor and the acceleration sensor and then sends the processed data to the cloud end through WIFI.
5. The separated temperature and vibration integrated sampling sensor according to claim 1, wherein: the box body surface still is provided with a plurality of LED pilot lamp.
6. The separated temperature and vibration integrated sampling sensor according to claim 1, wherein: the sensor circuit board, the second base and the box body are all cylindrical structures.
7. The separated temperature and vibration integrated sampling sensor according to claim 1, wherein: the first wiring port is connected with the second wiring port through a lead.
8. The separated temperature and vibration integrated sampling sensor according to claim 1, wherein: the bottom of the first base and the bottom of the second base are both provided with magnetic bases or mounting holes.
9. The separated temperature and vibration integrated sampling sensor according to claim 1, wherein: the sensor circuit board is also provided with a voltage stabilizer, and the voltage stabilizer is used for stabilizing the circuit voltage so as to ensure that the circuit components have stable power supply voltage in the service life cycle of the whole external battery compartment.
10. The separated temperature and vibration integrated sampling sensor according to claim 1, wherein: the case is made of a metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122227201.3U CN216012327U (en) | 2021-09-15 | 2021-09-15 | Separated temperature and vibration integrated sampling sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122227201.3U CN216012327U (en) | 2021-09-15 | 2021-09-15 | Separated temperature and vibration integrated sampling sensor |
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| Publication Number | Publication Date |
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| CN216012327U true CN216012327U (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122227201.3U Active CN216012327U (en) | 2021-09-15 | 2021-09-15 | Separated temperature and vibration integrated sampling sensor |
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| CN (1) | CN216012327U (en) |
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2021
- 2021-09-15 CN CN202122227201.3U patent/CN216012327U/en active Active
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