CN110848311A - Wireless monitoring system for nitrogen spring - Google Patents
Wireless monitoring system for nitrogen spring Download PDFInfo
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- CN110848311A CN110848311A CN201911194776.0A CN201911194776A CN110848311A CN 110848311 A CN110848311 A CN 110848311A CN 201911194776 A CN201911194776 A CN 201911194776A CN 110848311 A CN110848311 A CN 110848311A
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- spring
- nitrogen
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- wireless
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 197
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 93
- 238000012544 monitoring process Methods 0.000 title claims abstract description 33
- 239000007789 gas Substances 0.000 claims abstract description 47
- 238000004891 communication Methods 0.000 claims abstract description 18
- 239000013078 crystal Substances 0.000 claims description 12
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 21
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013024 troubleshooting Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3264—Arrangements for indicating, e.g. fluid level; Arrangements for checking dampers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
- F16F9/0281—Details
- F16F9/029—Details electrical, e.g. connections or contacts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3292—Sensor arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0047—Measuring, indicating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/08—Sensor arrangement
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a nitrogen spring wireless monitoring system, which comprises: each nitrogen spring is provided with a gas pressure sensor for detecting the gas pressure in the nitrogen spring, a temperature sensor for detecting the temperature change of the nitrogen spring in the using process and a spring pressure sensor for detecting the elastic pressure change of the nitrogen spring in the using process, each nitrogen spring is also provided with a ZigBee terminal, the ZigBee terminal is electrically connected with the gas pressure sensor, the temperature sensor and the spring pressure sensor, and the ZigBee terminal of each nitrogen spring is self-organized into a network, and is in wireless connection communication with a ZigBee coordinator, and the ZigBee coordinator is in wireless communication with a handheld terminal, a computer terminal or a cloud terminal, the data detected by the gas pressure sensor, the temperature sensor and the spring pressure sensor are transmitted to a handheld terminal, a computer terminal or a cloud end, so that wireless real-time monitoring is carried out on the plurality of nitrogen springs.
Description
The technical field is as follows:
the invention relates to the technical field of nitrogen springs, in particular to a wireless monitoring system for a nitrogen spring.
Background art:
with the continuous progress of science and technology, the demand of the industrial field for elastic elements is higher and higher, and the elastic elements are required to meet various requirements of mechanical structures and also to be miniaturized and have high performance.
The conventional elastic elements used in the prior art, such as springs, elastic rubber, air cushions and the like, generate elastic force which is increased in proportion to the increase of the compression amount and cannot keep constant pressure in the working process, the telescopic stroke is small, a lot of processes need constant elastic change, the conventional elastic elements bring great influence and limitation to the process design requirements, the process requirements cannot be met, the product quality and the efficiency are directly influenced, and the production cost is greatly improved.
The nitrogen spring in the prior art can solve the problems, at present, the nitrogen spring used in various industries in China is mainly imported, the nitrogen spring (called die nitrogen spring or nitrogen cylinder for short) is a novel elastic element using high-pressure nitrogen as a working medium, and has the advantages of small volume, large elasticity, long stroke, stable work, precise manufacture, long service life, gentle elastic curve, no need of pre-tightening and the like, the nitrogen spring has the work which is difficult to complete by conventional elastic components such as metal springs, rubbers, air cushions and the like, the design and manufacture of a die are simplified, the installation and adjustment of the die are convenient, the service life of the die is prolonged, the stability of the product quality is ensured, and the nitrogen spring is a new generation of optimal elastic component with flexible performance.
Several important indexes to be monitored during the operation of the nitrogen spring include: the quality of the stamped part is affected by changes in the gas pressure p (mpa) in the nitrogen spring, temperature T (c) changes caused by repeated compression of the gas inside the nitrogen spring during operation of the nitrogen spring, and the magnitude of the spring pressure f (n) of the nitrogen spring.
At present, when each punching plant uses a nitrogen spring, the three indexes of gas pressure in the nitrogen spring, temperature change in the use process of the nitrogen spring and elastic pressure change in the use process of the nitrogen spring are not effectively monitored, and the main reason is that the nitrogen spring is installed not exposed outside but inside a die, the monitoring is required to be realized under the original technical conditions, a complex control system and a complex circuit are required, and the monitoring can hardly be realized for some dies. Some conditional molds can be used by connecting all nitrogen springs in series through high-pressure pipelines, are externally connected with a pressure gauge to observe pressure change in the nitrogen springs, can realize observation of internal gas pressure, but cannot realize all-around monitoring of the nitrogen springs and cannot be controlled online by a control system.
In view of the above, the present inventors propose the following.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provides a wireless monitoring system for a nitrogen spring.
In order to solve the technical problems, the invention adopts the following technical scheme: this nitrogen gas spring wireless monitoring system includes: each nitrogen spring is provided with a gas pressure sensor for detecting the gas pressure in the nitrogen spring, a temperature sensor for detecting the temperature change of the nitrogen spring in the using process and a spring pressure sensor for detecting the elastic pressure change of the nitrogen spring in the using process, each nitrogen spring is also provided with a ZigBee terminal, the ZigBee terminal is electrically connected with the gas pressure sensor, the temperature sensor and the spring pressure sensor, and the ZigBee terminal of each nitrogen spring is self-organized into a network, and is in wireless connection communication with a ZigBee coordinator, and the ZigBee coordinator is in wireless communication with a handheld terminal, a computer terminal or a cloud terminal, the data detected by the gas pressure sensor, the temperature sensor and the spring pressure sensor are transmitted to a handheld terminal, a computer terminal or a cloud end, so that wireless real-time monitoring is carried out on the plurality of nitrogen springs.
Furthermore, in the above technical solution, the ZigBee terminal includes a multiband transmitting antenna unit connected to the control unit, and the control unit is connected to the gas pressure sensor, the temperature sensor, and the spring pressure sensor, and is in wireless connection communication with the ZigBee coordinator through the multiband transmitting antenna unit.
Further, in the above technical solution, the multi-band transmitting antenna unit includes a 868MHz radio frequency transmitting unit and a 2.4GHz radio frequency transmitting unit.
Further, in the above technical solution, the control unit includes a control chip, and a first crystal oscillator and a second crystal oscillator connected to the control chip, the control chip is connected to the multiband transmitting antenna unit, and the model of the control chip is CC1352R1F3 RGZ; the frequency of the first crystal oscillator is 32.768 kHz; the frequency of the second crystal oscillator is 48 MHz.
Furthermore, in the above technical scheme, the ZigBee coordinator is further provided with a WIFI module and a bluetooth module, and wirelessly communicates with the handheld terminal, the computer terminal or the cloud through the WIFI module or the bluetooth module.
Further, among the above-mentioned technical scheme, gas pressure sensor is including the shell and install the gas pressure sensor body in this shell, and this shell passes through threaded connection with the nitrogen gas spring, and this gas pressure sensor body stretches into inside the nitrogen gas spring.
Further, in the above technical solution, the temperature sensor is disposed in a housing of the gas pressure sensor.
Further, in the above technical solution, the spring pressure sensor is disposed at a lower end of the nitrogen spring.
Further, in the above technical solution, the ZigBee terminal is fixed outside the housing.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects: the gas pressure sensor, the temperature sensor and the spring pressure sensor are adopted to respectively detect the gas pressure in each nitrogen spring, the temperature changing in the using process and the elastic pressure changing in the using process, the ZigBee terminal of each nitrogen spring is self-networked and is in wireless connection communication with the ZigBee coordinator, and the ZigBee coordinator is in wireless communication with the handheld terminal, the computer terminal or the cloud so as to transmit the data detected by the gas pressure sensor, the temperature sensor and the spring pressure sensor to the handheld terminal, the computer terminal or the cloud, thereby performing wireless real-time monitoring on the plurality of nitrogen springs and realizing local monitoring and remote monitoring, namely, the mobile phone can interact with each nitrogen spring through the Bluetooth or WiFi module to detect the data so as to perform real-time monitoring. The remote computer can be networked through the WiFi module to achieve more complex functions. The invention improves the reliability and transparency of the nitrogen spring and the die in the using process, and is an important milestone of industry 4.0. The nitrogen spring is required to be checked for a plurality of times every year to ensure the safety of the nitrogen spring, but the nitrogen spring can be checked only by looking at a monitor (such as a mobile phone or a computer screen) at present, targeted troubleshooting can be carried out, early information of early wear of individual springs is provided, the product quality is improved, and the maintenance cost is reduced.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an assembly view of the nitrogen spring of the present invention;
fig. 3 is a circuit diagram of a ZigBee terminal in the present invention.
The specific implementation mode is as follows:
the invention is further illustrated below with reference to specific embodiments and the accompanying drawings.
As shown in fig. 1-3, a wireless monitoring system for nitrogen spring is provided, which includes: each nitrogen spring 1 is provided with a gas pressure sensor 2 for detecting the gas pressure in the nitrogen spring 1, a temperature sensor for detecting the temperature change of the nitrogen spring 1 in the using process, a spring pressure sensor 4 for detecting the elastic pressure change of the nitrogen spring 1 in the using process, each nitrogen spring 1 is also provided with a ZigBee terminal 5, the ZigBee terminal 5 is connected with the gas pressure sensor 2, the temperature sensor and the spring pressure sensor 4 for electric connection, the ZigBee terminal 5 of each nitrogen spring 1 is self-networked and wirelessly connected and communicated with a ZigBee coordinator 6, and the ZigBee coordinator 6 is wirelessly communicated with a handheld terminal, a computer terminal or a cloud terminal so as to transmit the data detected by the gas pressure sensor 2, the temperature sensor and the spring pressure sensor 4 to the handheld terminal, the computer terminal or the cloud terminal, thus, the plurality of nitrogen springs 1 are monitored wirelessly in real time. The invention adopts a gas pressure sensor 2, a temperature sensor and a spring pressure sensor 4 to respectively detect the internal gas pressure of each nitrogen spring 1, the temperature changing in the using process and the elasticity pressure changing in the using process, a ZigBee terminal 5 of each nitrogen spring 1 is self-networked and is in wireless connection communication with a ZigBee coordinator 6, and the ZigBee coordinator 6 is in wireless communication with a handheld terminal, a computer terminal or a cloud terminal so as to transmit the data detected by the gas pressure sensor 2, the temperature sensor and the spring pressure sensor 4 to the handheld terminal, the computer terminal or the cloud terminal, thereby performing wireless real-time monitoring on a plurality of nitrogen springs 1 and realizing local monitoring and remote monitoring, namely, a mobile phone can interact with each nitrogen spring through a Bluetooth or WiFi module to detect the data so as to perform real-time monitoring. The remote computer can be networked through the WiFi module to achieve more complex functions. The invention improves the reliability and transparency of the nitrogen spring and the die in the using process, and is an important milestone of industry 4.0. The nitrogen spring is required to be checked for a plurality of times every year to ensure the safety of the nitrogen spring, but the nitrogen spring can be checked only by looking at a monitor (such as a mobile phone or a computer screen) at present, targeted troubleshooting can be carried out, early information of early wear of individual springs is provided, the product quality is improved, and the maintenance cost is reduced.
When any one nitrogen spring in the nitrogen spring group breaks down, the corresponding sensor transmits a signal to a monitoring hall or a corresponding mobile phone and other terminals through the system, and the display and alarm device arranged on the site can automatically alarm or control the press to stop, so that the influence on the quality of the stamping part or the generation of waste products of the stamping part caused by the continuous work of the press when the nitrogen spring group breaks down is avoided.
The ZigBee terminal 5 comprises a control unit 51 and a multiband transmitting antenna unit 52 connected with the control unit 51, wherein the control unit 51 is connected with the gas pressure sensor 2, the temperature sensor and the spring pressure sensor 4 and is electrically connected with the gas pressure sensor, and the ZigBee terminal 5 is wirelessly connected with the ZigBee coordinator 6 through the multiband transmitting antenna unit 52 for communication.
The multi-band transmission antenna unit 52 includes a 868MHz radio frequency transmission unit 521 and a 2.4GHz radio frequency transmission unit 522. The control unit 51 comprises a control chip 511, and a first crystal oscillator 512 and a second crystal oscillator 513 connected with the control chip 511, the control chip 511 is connected with the multiband transmitting antenna unit 52, and the model of the control chip 511 is CC1352R1F3 RGZ; the frequency of the first crystal oscillator 512 is 32.768 kHz; the frequency of the second crystal 513 is 48 MHz.
The ZigBee coordinator 6 is also provided with a WIFI module and a Bluetooth module, and is in wireless communication with a handheld terminal, a computer terminal or a cloud end through the WIFI module or the Bluetooth module.
The gas pressure sensor 2 comprises a shell 21 and a gas pressure sensor body arranged in the shell 21, the shell 21 is in threaded connection with the nitrogen spring 1, the gas pressure sensor body extends into the nitrogen spring 1, and the gas pressure sensor is extremely convenient to assemble and disassemble. The temperature sensor is disposed in a housing 21 of the gas pressure sensor 2. The ZigBee terminal 5 is fixed outside the housing 21. The ZigBee terminal 5, the gas pressure sensor 2 and the temperature sensor are assembled into a whole, and the assembly is convenient. The spring pressure sensor 4 is arranged at the lower end of the nitrogen spring 1.
Certainly, the ZigBee terminal 5 may also be replaced by a WiFi device, a bluetooth device, or other wireless devices, and the ZigBee coordinator 6 may also be replaced by a central switch corresponding thereto, so as to implement wireless communication.
In summary, the gas pressure sensor 2, the temperature sensor and the spring pressure sensor 4 are adopted to respectively detect the gas pressure inside each nitrogen spring 1, the temperature changing in the using process and the elasticity pressure changing in the using process, the ZigBee terminal 5 of each nitrogen spring 1 is self-networked and is in wireless connection communication with the ZigBee coordinator 6, and the ZigBee coordinator 6 is in wireless communication with a handheld terminal, a computer terminal or a cloud terminal so as to transmit the data detected by the gas pressure sensor 2, the temperature sensor and the spring pressure sensor 4 to the handheld terminal, the computer terminal or the cloud terminal, so that the plurality of nitrogen springs 1 are wirelessly monitored in real time, and local monitoring and remote monitoring are realized, namely, the mobile phone can interact with each nitrogen spring through a Bluetooth or WiFi module to detect the data so as to monitor in real time. The remote computer can be networked through the WiFi module to achieve more complex functions. The invention improves the reliability and transparency of the nitrogen spring and the die in the using process, and is an important milestone of industry 4.0. The nitrogen spring is required to be checked for a plurality of times every year to ensure the safety of the nitrogen spring, but the nitrogen spring can be checked only by looking at a monitor (such as a mobile phone or a computer screen) at present, targeted troubleshooting can be carried out, early information of early wear of individual springs is provided, the product quality is improved, and the maintenance cost is reduced.
It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Claims (9)
1. Nitrogen gas spring wireless monitoring system, its characterized in that: it includes: a plurality of nitrogen gas springs (1), all install gas pressure sensor (2) that are used for detecting nitrogen gas spring (1) inside gas pressure on every nitrogen gas spring (1), a temperature sensor for detecting temperature variation in nitrogen gas spring (1) use, a spring pressure sensor (4) for detecting elasticity pressure variation in nitrogen gas spring (1) use, still install zigBee terminal (5) on every nitrogen gas spring (1), this zigBee terminal (5) are connected gas pressure sensor (2), temperature sensor and spring pressure sensor (4) electric connection, and zigBee terminal (5) self-organizing network of every nitrogen gas spring (1), and with zigBee coordinator (6) wireless connection communication, and this zigBee coordinator (6) and handheld terminal, computer terminal or high in the clouds wireless communication, in order to be by gas pressure sensor (2), Data detected by the temperature sensor and the spring pressure sensor (4) are transmitted to a handheld terminal, a computer terminal or a cloud end, so that wireless real-time monitoring is carried out on the plurality of nitrogen springs (1).
2. The wireless monitoring system for nitrogen springs according to claim 1, characterized in that: the ZigBee terminal (5) comprises a multi-band transmitting antenna unit (52) connected with a control unit (51) through the control unit (51), wherein the control unit (51) is connected with the gas pressure sensor (2), the temperature sensor and the spring pressure sensor (4) in an electric connection mode, and is in wireless connection communication with the ZigBee coordinator (6) through the multi-band transmitting antenna unit (52).
3. The wireless monitoring system for nitrogen springs according to claim 2, characterized in that: the multi-band transmission antenna unit (52) comprises a 868MHz radio frequency transmission unit (521) and a 2.4GHz radio frequency transmission unit (522).
4. The wireless monitoring system for nitrogen springs according to claim 2, characterized in that: the control unit (51) comprises a control chip (511) and a first crystal oscillator (512) and a second crystal oscillator (513) which are connected with the control chip (511), the control chip (511) is connected with the multiband transmitting antenna unit (52), and the model of the control chip (511) is CC1352R1F3 RGZ; the frequency of the first crystal oscillator (512) is 32.768 kHz; the frequency of the second crystal oscillator (513) is 48 MHz.
5. The wireless nitrogen spring monitoring system of any one of claims 1-4, wherein: the ZigBee coordinator (6) is also provided with a WIFI module and a Bluetooth module, and is in wireless communication with the handheld terminal, the computer terminal or the cloud end through the WIFI module or the Bluetooth module.
6. The wireless nitrogen spring monitoring system of any one of claims 1-4, wherein: the gas pressure sensor (2) comprises a shell (21) and a gas pressure sensor body arranged in the shell (21), wherein the shell (21) is in threaded connection with the nitrogen spring (1), and the gas pressure sensor body extends into the nitrogen spring (1).
7. The wireless monitoring system for nitrogen springs according to claim 6, characterized in that: the temperature sensor is arranged in a housing (21) of the gas pressure sensor (2).
8. The wireless monitoring system for nitrogen springs according to claim 6, characterized in that: the spring pressure sensor (4) is arranged at the lower end of the nitrogen spring (1).
9. The wireless monitoring system for nitrogen springs according to claim 6, characterized in that: the ZigBee terminal (5) is fixed on the outer side of the shell (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911194776.0A CN110848311A (en) | 2019-11-28 | 2019-11-28 | Wireless monitoring system for nitrogen spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911194776.0A CN110848311A (en) | 2019-11-28 | 2019-11-28 | Wireless monitoring system for nitrogen spring |
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| CN110848311A true CN110848311A (en) | 2020-02-28 |
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| CN201911194776.0A Pending CN110848311A (en) | 2019-11-28 | 2019-11-28 | Wireless monitoring system for nitrogen spring |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795099A (en) * | 2020-08-21 | 2020-10-20 | 武汉东风科尔模具标准件有限公司 | Nitrogen spring with self-induction monitoring function and pressure monitoring system thereof |
| CN113778144A (en) * | 2021-09-10 | 2021-12-10 | 东莞市钢锐精密五金有限公司 | Intelligent monitoring and protecting system for nitrogen spring pipeline (NB-IOT) internet of things |
| CN114143362A (en) * | 2021-11-17 | 2022-03-04 | 邵阳兴达精密机械制造有限公司 | Intelligent nitrogen spring monitoring system based on Internet of things and operation method |
| CN114739562A (en) * | 2021-01-07 | 2022-07-12 | 配天机器人技术有限公司 | Nitrogen spring pressure monitoring system for industrial robot and industrial robot |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111795099A (en) * | 2020-08-21 | 2020-10-20 | 武汉东风科尔模具标准件有限公司 | Nitrogen spring with self-induction monitoring function and pressure monitoring system thereof |
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Effective date of registration: 20200819 Address after: 523000 the second industrial zone of Qiaotou community, Houjie Town, Dongguan City, Guangdong Province Applicant after: DONGGUAN BODING PRECISION MACHINERY MANUFACTURING Co.,Ltd. Address before: No. 66, Changjiang Road, Wancheng District, Nanyang City, Henan Province 473000 Applicant before: Li Haiguang Applicant before: Zhao Junfeng |
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