CN210322153U - Pressure detection device based on NBIOT technology - Google Patents
Pressure detection device based on NBIOT technology Download PDFInfo
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- CN210322153U CN210322153U CN201921389503.7U CN201921389503U CN210322153U CN 210322153 U CN210322153 U CN 210322153U CN 201921389503 U CN201921389503 U CN 201921389503U CN 210322153 U CN210322153 U CN 210322153U
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- air pressure
- nbiot
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- pressure
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- 238000001514 detection method Methods 0.000 title claims description 40
- 238000005516 engineering process Methods 0.000 title claims description 17
- 238000004891 communication Methods 0.000 claims abstract description 20
- 238000005070 sampling Methods 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 230000003139 buffering effect Effects 0.000 abstract description 5
- 238000009530 blood pressure measurement Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract 4
- 230000006855 networking Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 30
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000027734 detection of oxygen Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model relates to a pressure measurement based on NBIOT technique belongs to atmospheric pressure and detects sensing equipment field. It includes main control chip, atmospheric pressure determine module, buffering subassembly, casing and pressure measurement head, and main control chip is connected with narrowband thing networking NBIOT communication subassembly, and the buffering subassembly has seted up the guiding hole including installation cover, installation cavity, apron and guide bar on the installation cover, and the guiding hole is annular array and sets up on the installation cover, has cup jointed buffer spring on the guide bar. The utility model can realize the real-time monitoring of the pressure of the gas cylinder through the air pressure sensor and the NBIOT communication component, and can transmit the pressure information of the gas cylinder and the monitoring data wirelessly in time, and can timely know the air pressure condition in the gas cylinder and the gas storage tank by related personnel and equipment; in addition, through the setting of guide bar and buffer spring in the buffering subassembly, can reduce the impact force to baroceptor when gas cylinder pressure changes to baroceptor's damage probability is reduced.
Description
Technical Field
The utility model relates to a pressure measurement based on NBIOT technique belongs to atmospheric pressure and detects sensing equipment field.
Background
An air respirator is needed in the life support equipment, the air respirator needs to use a gas cylinder matched with the air respirator, the current pressure detection of oxygen in the gas cylinder adopts a mechanical pressure gauge or an electronic pressure gauge, and then the air respirator is matched with other alarm equipment for use, but the equipment has low integration level, cannot meet the requirement of the complex emergency rescue and relief environment, and cannot send out early warning information in time.
In some equipment, pressure data are sent out in a Bluetooth mode, but the Bluetooth transmission has the defects of low transmission efficiency, high power consumption, short transmission distance and the like, and the actual requirements cannot be met. And the existing pressure gauge is easy to be damaged due to the impact of gas, so that the normal detection of the gas pressure is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low power dissipation, the operation is reliable and stable, can reduce the gas impact and the real-time supervision atmospheric pressure information and with this monitoring information spread the pressure measurement device based on NBIOT technique.
In order to achieve the above purpose, the utility model provides a following technical scheme: pressure detection device based on NBIOT technique sets up the bottleneck department at the gas cylinder, includes: the air pressure detection assembly comprises a detection cavity communicated with the pressure detection head and formed in the shell, and an air pressure sensor arranged in the detection cavity and used for detecting the air pressure of air in an air bottle, wherein the output end of the air pressure sensor is connected to the input end of the main control chip, the air pressure sensor is in signal connection with the main control chip, the output end of the main control chip is connected with a narrow-band Internet of things (NBIOT) communication assembly, the NBIOT communication assembly is in signal connection with a receiving terminal, the buffer assembly comprises a mounting sleeve sleeved on the air pressure sensor, a mounting cavity formed in the shell and used for sliding the mounting sleeve, a cover plate arranged at the tail part of the shell and used for sealing the mounting cavity, and a guide rod connected to the cover plate, the mounting sleeve is provided with guide holes matched with the guide rods, the guide holes are arranged on the mounting sleeve in an annular array mode, and the guide rods are sleeved with buffer springs.
Furthermore, a baffle ring is connected to the guide rod, the baffle ring is arranged on the left side of the guide hole, and the buffer spring is arranged between the mounting sleeve and the cover plate.
Furthermore, an external thread is formed on the guide rod, an internal thread is formed on the baffle ring, and the baffle ring is in threaded connection with the guide rod.
Furthermore, a groove for accommodating the air pressure sensor is formed in the mounting sleeve.
Further, the number of the guide holes is 3, and the number of the corresponding guide rods is 3.
Further, the baroceptor is including the atmospheric pressure analog quantity sensor that is used for detecting atmospheric pressure and the AD sampling circuit of connection on main control chip, and main control chip electric connection has the power, the power still respectively with baroceptor and NBIOT communication component electric connection.
Further, the power includes the battery and connects the battery with power management circuit between the main control chip, baroceptor still includes the casing that fire-retardant type PC plastics were made, it forms to detect the chamber in the casing.
Furthermore, a threaded hole for mounting the pressure detection head is formed in the shell.
Furthermore, a digital display in signal connection with the main control chip is further arranged on the shell.
Further, the NBIOT communication component is a Boudica150 chip.
The beneficial effects of the utility model reside in that: the utility model relates to a pressure detection device based on NBIOT technology can realize the real-time monitoring to the gas cylinder pressure through the baroceptor and the NBIOT communication subassembly that connect on the main control chip, and in time send out gas cylinder pressure information and will monitor data wireless, can let relevant personnel and equipment know the atmospheric pressure condition in gas cylinder, gas holder in time; in addition, through the setting of guide bar and buffer spring in the buffering subassembly, can reduce the impact force to baroceptor when gas cylinder pressure changes to reduce baroceptor's damage probability, and then improve the reliability and the life of whole device operation.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of the pressure detection device based on NBIOT technology.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1, in a preferred embodiment of the present invention, a pressure detecting device based on NBIOT technology includes: the air pressure detection device comprises a main control chip 1, an air pressure detection assembly 2, a buffer assembly 3, a cylindrical shell used for containing the air pressure detection assembly 2 and the buffer assembly 3, and a pressure detection head 21 connected to the shell, wherein the air pressure detection assembly 2 comprises a detection cavity 22 communicated with the pressure detection head 21 and formed in the shell, and an air pressure sensor 23 arranged in the detection cavity 22 and used for detecting the air pressure of air in an air bottle (not shown in the figure), the output end of the air pressure sensor 1 is connected to the input end of the main control chip 1, the output end 1 of the main control chip 1 is connected with a narrow-band Internet of things NBIOT communication assembly 4, the NBIOT communication assembly is in signal connection with a receiving terminal (not shown in the figure), the buffer assembly 3 comprises a mounting sleeve 31 sleeved on the air pressure sensor 1, a mounting cavity 32 formed in the shell and used for sliding the mounting sleeve 31, a guide rod 34 arranged at the tail of the shell and used for sealing the, the mounting sleeve 31 is provided with guide holes (not shown) matching with the guide rods 34, the guide holes are arranged on the mounting sleeve 31 in an annular array manner, and the guide rods 34 are sleeved with the buffer springs 341.
In the above embodiment, in order to prevent the guide bar 34 from being detached from the guide hole, the stop ring 342 is attached to the guide bar 34. The stop ring 342 is disposed on the left side of the guide hole, and the stroke of the mounting sleeve 31 on the guide rod 34 can be adjusted by the stop ring 342. The buffer spring 341 is disposed between the mounting sleeve 31 and the cover plate 33. The guide bar 34 is provided with an external thread (not shown), the stopper ring 342 is provided with an internal thread (not shown), and the first stopper ring 342 is threadedly coupled to the guide bar 34. In the present embodiment, in order to ensure the stability and reliability of fixing the mounting sleeve 31, the number of the guide holes is 3, and the number of the corresponding guide rods 34 is 3.
In the above embodiment, in order to fix the air pressure sensor 2 better and improve the stability and reliability of fixing the air pressure sensor 2, the mounting sleeve 31 is provided with a groove (not shown) for accommodating the air pressure sensor 1.
In the above embodiment, the main control chip 1 is embedded in the air pressure sensor 23, the air pressure sensor 23 includes an air pressure analog sensor for detecting air pressure and an AD sampling circuit connected to the main control chip 1, the main control chip 1 is electrically connected to a power supply 24, and the power supply 24 is further electrically connected to the air pressure sensor 2 and the NBIOT communication component 4, respectively. The power supply 24 comprises a battery (not shown) and a power management circuit (not shown) connected between the battery and the main control chip 1, the air pressure sensor 23 further comprises a casing made of flame-retardant PC plastic, the air pressure sensor 23 and the casing form a detection cavity 22, and one side of the detection cavity 22 is provided with a threaded hole (not shown) which is arranged on the casing and communicated with the cavity. The pressure detection head 21 is screwed into the threaded hole. The housing 24 is further provided with a digital display (not shown) in signal connection with the main control chip 1. In this embodiment, the NBIOT communication component 4 is a Boudica150 chip.
In the practical application process, the detection head 21 is connected to the mouth of the gas cylinder, in the practical implementation process, the detection head 21 is connected to a tee joint arranged at the mouth of the gas cylinder, the inlet of the tee joint is communicated with the gas cylinder, the outlet of the tee joint is respectively connected to the detection head and a gas-using device (such as a breathing machine and the like), the gas in the gas cylinder guides the gas to be detected into a detection cavity 22 through the detection head 21, then the gas pressure is detected by a gas pressure analog quantity sensor, then the detection result is transmitted to the main control chip 1 through an AD sampling circuit, then the main control chip 1 transmits the signal to an NBIOT communication component (i.e. a Boudica150 chip) through a signal line, then the NBIOT communication component directly transmits the signal to a receiving terminal or transmits the signal to the receiving terminal through a transfer server, a cloud server and the like, the receiving terminal can select a mobile phone or, and computers, etc., since the NBIOT communication technology is the prior art, the specific principle thereof will not be described in detail.
When the gas pressure in the gas cylinder is abnormally increased due to vibration and the like, the gas pressure entering the detection cavity 22 is increased, the mounting sleeve 31 in the buffer assembly 3 moves to the right side, the mounting sleeve 31 is in contact with the buffer spring 341 arranged on the guide rod 34 under the guide of the guide rod 34, the buffer spring 341 is compressed by the mounting sleeve 31 so as to buffer the abnormally increased gas pressure through the buffer spring 341, after the gas pressure is stabilized, the buffer spring 341 is expanded to retract the mounting sleeve 31 to the left side, and in order to prevent the mounting sleeve 31 from being separated from the guide rod 34 in the retracting process, the stop ring 342 is arranged at the left side of the guide rod 34.
The beneficial effects of the utility model reside in that: the utility model relates to a pressure detection device based on NBIOT technology can realize the real-time monitoring of the gas cylinder pressure through the baroceptor 2 and the NBIOT communication component 4 which are connected on the main control chip 1, and can transmit the gas cylinder pressure information and the monitoring data wirelessly in time, and can let the related personnel and equipment know the gas pressure condition in the gas cylinder and the gas storage tank in time; in addition, through the setting of guide bar 34 and buffer spring 341 in buffering subassembly 3, can reduce the impact force to baroceptor 2 when the gas cylinder pressure changes to reduce baroceptor 2's damage probability, and then improve the reliability and the life of whole device operation.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A pressure detection device based on NBIOT technology, set up the bottleneck department at the gas cylinder, its characterized in that includes: the air pressure detection assembly comprises a pressure detection head, a main control chip, an air pressure detection assembly, a buffer assembly, a cylindrical shell and a pressure sensor, wherein the cylindrical shell is used for accommodating the air pressure detection assembly and the buffer assembly, the pressure detection head is connected to the shell, the air pressure detection assembly comprises a detection cavity communicated with the pressure detection head and an air pressure sensor arranged in the detection cavity and used for detecting the air pressure of air in an air bottle, the air pressure sensor is in signal connection with the main control chip, the output end of the air pressure sensor is connected to the input end of the main control chip, the output end of the main control chip is connected with a narrow-band Internet of things (NBIOT) communication assembly, the NBIOT communication assembly is in signal connection with a receiving terminal, the buffer assembly comprises a mounting sleeve sleeved on the air pressure sensor, a mounting cavity formed in the shell and used for sliding the mounting sleeve, and a guide rod arranged at the tail of the, the mounting sleeve is provided with guide holes matched with the guide rods, the guide holes are arranged on the mounting sleeve in an annular array mode, and the guide rods are sleeved with buffer springs.
2. The NBIOT technology-based pressure sensing device of claim 1, wherein a stop ring is connected to the guide rod, the stop ring is disposed at a left side of the guide hole, and the buffer spring is disposed between the mounting sleeve and the cover plate.
3. The NBIOT technology-based pressure sensing device of claim 2, wherein the guide rod is externally threaded and the stop ring is internally threaded, the stop ring being threadedly coupled to the guide rod.
4. The NBIOT technology-based pressure detecting device of claim 1, wherein the mounting sleeve defines a recess for receiving the pressure sensor.
5. The NBIOT technology-based pressure detecting device of claim 1, wherein the number of the guide holes is 3, and the number of the corresponding guide rods is 3.
6. The NBIOT technology based pressure detecting device of claim 1, wherein the air pressure sensor comprises an air pressure analog sensor for detecting air pressure and an AD sampling circuit connected to a main control chip, the main control chip is electrically connected to a power supply, and the power supply is further electrically connected to the air pressure sensor and the NBIOT communication module, respectively.
7. The NBIOT technology-based pressure sensing device of claim 6, wherein the power source comprises a battery and a power management circuit connected between the battery and the main control chip, the air pressure sensor further comprises a housing made of flame retardant PC plastic, and the sensing chamber is formed in the housing.
8. The NBIOT technology-based pressure sensing device of claim 7, wherein the housing defines a threaded hole for receiving the pressure sensing head.
9. The NBIOT technology-based pressure sensing device of claim 7, wherein a digital display is further disposed on the housing and in signal communication with the main control chip.
10. The NBIOT technology based pressure sensing device in accordance with claim 1 wherein the NBIOT communication component is a Boudical50 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921389503.7U CN210322153U (en) | 2019-08-26 | 2019-08-26 | Pressure detection device based on NBIOT technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921389503.7U CN210322153U (en) | 2019-08-26 | 2019-08-26 | Pressure detection device based on NBIOT technology |
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| Publication Number | Publication Date |
|---|---|
| CN210322153U true CN210322153U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921389503.7U Expired - Fee Related CN210322153U (en) | 2019-08-26 | 2019-08-26 | Pressure detection device based on NBIOT technology |
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| Country | Link |
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| CN (1) | CN210322153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763133A (en) * | 2020-12-24 | 2021-05-07 | 王学兵 | Pressure sensor |
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2019
- 2019-08-26 CN CN201921389503.7U patent/CN210322153U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763133A (en) * | 2020-12-24 | 2021-05-07 | 王学兵 | Pressure sensor |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 |
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| CF01 | Termination of patent right due to non-payment of annual fee |