CN109520559A - A kind of real-time monitoring device of cylinder gas pressure and temperature - Google Patents
A kind of real-time monitoring device of cylinder gas pressure and temperature Download PDFInfo
- Publication number
- CN109520559A CN109520559A CN201811166819.XA CN201811166819A CN109520559A CN 109520559 A CN109520559 A CN 109520559A CN 201811166819 A CN201811166819 A CN 201811166819A CN 109520559 A CN109520559 A CN 109520559A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The real-time monitoring device of a kind of cylinder gas pressure and temperature disclosed by the invention, including the ceramic pressure transmitter being threadedly coupled with gas cylinder bottle valve and the temperature sensor being fixed on gas cylinder bottle valve, pressure transmitter, temperature sensor and monitoring unit connection transmission pressure, temperature signal, monitoring unit are connect by bus with centralized displaying disk.The pressure and temperature that real-time monitoring device of the present invention passes through monitoring cylinder gas, the signal that microcontroller is handled is compared with setting pressure, temperature range value, if beyond alert if normal range (NR) and real time reaction is on centralized displaying disk, effectively monitor the state of gas cylinder, real-time prompting personnel handle gas cylinder difference situation, and whether the pressure and temperature that can promptly and accurately monitor gas cylinder are in normal condition.
Description
Technical field
The invention belongs to anti-explosion safety monitoring device technical field, it is related to the real-time of a kind of cylinder gas pressure and temperature
Monitoring device.
Background technique
Extinction using gas mode is widely used in every field.Extinction using gas gas cylinders group is according to fire extinguishing area size by several
A to several hundred single air cylinders in varying numbers are combined.Gas cylinder works in a high voltage state for a long time, and gas cylinder sealing element may
It can gradually damage, fail that gas leakage phenomenon occurs, once fire behavior occurs, go out in gas cylinder since gas pressure is insufficient
Fire failure.Therefore, in order to guarantee that gas cylinder work is constantly in kilter, traditional storage pressure inspection is by staff
Periodically check whether the operating pressure of each gas cylinder is in normal state of value, discovery pressure carried out when having abnormal gas cylinder and
Shi Genghuan.The deficiency of traditional test mode is: cannot check the real-time pressure state and real time temperature of each gas cylinder in time
State, gas pressure and temperature have direct influence relationship to have due to temperature even if pressure value appears in normal condition
Possible real gas amount is insufficient, checks that precision is relatively low.In addition to this, during inspecting periodically, because gas cylinder quantity is many
Mostly to generate huge workload, the review time is too long, greatly wastes human and material resources.
Summary of the invention
The object of the present invention is to provide the real-time monitoring devices of a kind of cylinder gas pressure and temperature, can be promptly and accurately
Whether the pressure and temperature for monitoring gas cylinder are in normal condition.
The technical scheme adopted by the invention is that: a kind of real-time monitoring device of cylinder gas pressure and temperature, including with
The ceramic pressure transmitter that gas cylinder bottle valve is threadedly coupled and the temperature sensor being fixed on gas cylinder bottle valve, ceramics pressure
Power transmitter, temperature sensor and monitoring unit connection transmission pressure, temperature signal, monitoring unit is by bus and concentrates aobvious
Show that disk connects.
The features of the present invention also characterized in that
Monitoring unit includes microcontroller, conversion electric power, and conversion electric power is microcontroller power supply.
Uninterrupted backup power supply, touch LCD significant screen, combined aural and visual alarm, fire alarm are provided on centralized displaying disk
System interface, external power interface, bus interface, alarm lamp, malfunction indicator lamp, work light, bright screen key, collection
Middle display panel accesses external power supply by external power interface and works for device, and centralized displaying disk is connect by fire alarm system
Mouthful access fire alarm system is alarmed, and alternating voltage is converted into DC voltage and in external electrical by uninterrupted backup power supply
Source, which has a power failure, provides electric power for device.
Bus power source bus and communication bus, communication bus use RS485 redundant transmission communication bus.
The beneficial effects of the present invention are: the real-time monitoring device of a kind of cylinder gas pressure of the present invention and temperature passes through prison
The pressure and temperature of cylinder gas are surveyed, the signal that microcontroller is handled is compared with setting pressure, temperature range value,
Simultaneously real time reaction effectively monitors the state of gas cylinder on centralized displaying disk to alert if beyond normal range (NR), real
When remind personnel gas cylinder difference situation is handled, solve artificially can not accurate measurements storage pressure whether locate with temperature
In the normal condition the problem of.
Detailed description of the invention
Fig. 1 is the structure chart of the real-time monitoring device of a kind of cylinder gas pressure of the present invention and temperature；
Fig. 2 is monitoring unit and storage pressure in the real-time monitoring device of a kind of cylinder gas pressure of the present invention and temperature
LED status figure when normal；
Fig. 3 is monitoring unit and pressure inverting in the real-time monitoring device of a kind of cylinder gas pressure of the present invention and temperature
LED status figure when device failure；
Instruction when Fig. 4 is storage pressure exception in the real-time monitoring device of a kind of cylinder gas pressure of the present invention and temperature
Lamp state diagram.
In figure, 1. centralized displaying disks, 2. buses, 3. monitoring units, 4. pressure transmitters, 5. temperature sensors.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
A kind of real-time monitoring device of cylinder gas pressure and temperature of the present invention, as shown in Figure 1, with gas cylinder bottle valve spiral shell
The ceramic pressure transmitter 4 of line connection and the temperature sensor 5 being fixed on gas cylinder bottle valve, ceramic pressure transmitter spirit
Sensitivity, compressive resistance are higher, are connected with gas cylinder bottle valve with the good fastening thread of leakproofness, ceramic pressure transmitter 4,
Temperature sensor 5 connect transmission pressure, temperature signal with monitoring unit 3, and monitoring unit 3 passes through bus 2 and centralized displaying disk 1
Connection.
Further, monitoring unit 3 includes microcontroller, conversion electric power, and conversion electric power is microcontroller power supply, conversion
DC voltage 13.8V is converted into the 5V needed for it by voltage.
Further, uninterrupted backup power supply, touch LCD significant screen, sound-light alarm are provided on centralized displaying disk 1
Device, fire alarm system interface, external power interface, bus interface, alarm lamp, malfunction indicator lamp, work light,
Bright screen key, centralized displaying disk 1 access external power supply by external power interface and work for device, and centralized displaying disk 1 passes through fire
Calamity alarm system interface access fire alarm system is alarmed, and alternating voltage is converted into direct current by uninterrupted backup power supply
It presses and provides electric power in external power outage for device, when apparatus of the present invention break down, such as wiring is problematic, the dress
The malfunction indicator lamp set is lighted, when storage pressure transfinites or temperature out of range alarm indicator light is lighted, when external power supply is disconnected
When electric, which can be delayed into blank screen energy-saving mode, bright screen key wakeup screen be pressed when needing to check, with energy conservation.
Uninterruptible power supply can maintain the minimum normal inspection in 48 hours of system under external power failure, external power supply just
Under normal state, alternating voltage is converted into DC voltage and charged by uninterruptible power supply, it is ensured that uninterruptible power supply is in best always
Working condition.
Further, microcontroller is used to that touch will to be transmitted to the pressure received, the information after processes temperature signal
It is shown on liquid crystal significant screen, facilitates people to check that storage pressure and temperature implement situation of change at any time, microcontroller is for controlling
Combined aural and visual alarm is alarmed, and carries out jingle bell and light flash alarm, microcontroller is used to control alarm lamp, failure refers to
Show the opening and closing of lamp, work light.
Further, 2 power bus of bus and communication bus, communication bus use RS485 redundant transmission communication bus,
Ensure the reliability communicated over long distances.
A kind of real-time monitoring device principle of cylinder gas pressure and temperature of the present invention: the device is become using ceramic pressure
Device 4 is sent to be connected with gas cylinder bottle valve, gas pressure value is converted into electricity by the direct detection pressure in the bottle, ceramic pressure transmitter 4
Signal is transmitted to monitoring unit 3, and gas pressure temperature value is converted into electric signal transmission to monitoring unit 3 by temperature sensor 5, micro-
Controller is according to Clapyron Equation principle, i.e. PV=nRT, and wherein P is pressure, V is volume, n is quality, T is temperature, R is
Scale factor, the real-time detection gas pressure in the bottle in variation of ambient temperature, and be compared with alarm pressure value to generate report
Alert event.Pressure alarm uses return difference mode, i.e., alarms immediately when storage pressure is not in normally-pressured neighbor, when gas cylinder pressure
Power returns [Pmin+Ph..Pmax-Ph] range when revocation alarm, PhFor return difference.The detection accuracy error of the device pressure is less than 3%.
As shown in Fig. 2, when centralized displaying disk 1 and monitoring unit 3 communicate normally, and unit gas when storage pressure is normal
Bottle pressure and its temperature information are in green pattern on touch LCD screen curtain, when the pressure of all gas cylinders is all normal,
Work light is lighted on centralized displaying disk 1, malfunction indicator lamp is gone out, alarm lamp goes out.
As shown in figure 3, when monitoring unit 3 detects 4 failure of ceramic pressure transmitter, including ceramic pressure transmitter 4
Faults itself connect unreliable etc. with monitoring unit 3, generates fault-signal, centralized displaying disk 1 finds during inspection
When the fault message that certain monitoring unit 3 issues, show that the unit is in yellow pattern on touch LCD screen curtain, simultaneously
Work light goes out on centralized displaying disk, malfunction indicator lamp is bright, alarm lamp goes out.
As shown in figure 4, monitoring unit 3 issues alarm signal when certain storage pressure exceeds normally-pressured neighbor, concentrate aobvious
When showing that disk 1 finds the warning message that certain monitoring unit 3 issues during inspection, shown on touch LCD screen curtain
Show that the unit takes on a red color pattern and pressure value, temperature value, while work light goes out, malfunction indicator lamp is gone out on centralized displaying disk,
Alarm lamp is bright.
Claims (4)
1. a kind of real-time monitoring device of cylinder gas pressure and temperature, which is characterized in that including connecting with gas cylinder bottle valve screw thread
The ceramic pressure transmitter (4) connect and the temperature sensor (5) being fixed on gas cylinder bottle valve, the ceramic pressure transmitter
(4), temperature sensor (5) connect transmission pressure, temperature signal with monitoring unit (3), and the monitoring unit (3) passes through bus
(2) it is connect with centralized displaying disk (1).
2. the real-time monitoring device of a kind of cylinder gas pressure and temperature according to claim 1, which is characterized in that described
Monitoring unit (3) includes microcontroller, conversion electric power, and the conversion electric power is microcontroller power supply.
3. the real-time monitoring device of a kind of cylinder gas pressure and temperature according to claim 1, which is characterized in that described
Uninterrupted backup power supply, touch LCD significant screen, combined aural and visual alarm, fire alarm system is provided on centralized displaying disk (1) to connect
Mouth, external power interface, bus interface, alarm lamp, malfunction indicator lamp, work light, bright screen key, described concentrate show
Show that disk (1) accesses external power supply by external power interface and works for device, the centralized displaying disk (1) passes through fire alarm system
System interface access fire alarm system alarm, the uninterrupted backup power supply by alternating voltage be converted into DC voltage and
External power supply, which has a power failure, provides electric power for device.
4. the real-time monitoring device of a kind of cylinder gas pressure and temperature according to claim 1, which is characterized in that described
Bus (2) power bus and communication bus, the communication bus use RS485 redundant transmission communication bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811166819.XA CN109520559A (en) | 2018-09-30 | 2018-09-30 | A kind of real-time monitoring device of cylinder gas pressure and temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811166819.XA CN109520559A (en) | 2018-09-30 | 2018-09-30 | A kind of real-time monitoring device of cylinder gas pressure and temperature |
Publications (1)
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| CN109520559A true CN109520559A (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811166819.XA Pending CN109520559A (en) | 2018-09-30 | 2018-09-30 | A kind of real-time monitoring device of cylinder gas pressure and temperature |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112623276A (en) * | 2020-12-28 | 2021-04-09 | 上海空间推进研究所 | Correction method and system for gas cylinder pressure of on-orbit spacecraft changing along with temperature |
| CN113864639A (en) * | 2021-09-24 | 2021-12-31 | 肇庆市海特复合材料技术研究院 | Pressure monitoring and early warning method for composite material gas cylinder |
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| CN207356452U (en) * | 2017-10-23 | 2018-05-15 | 成都众山科技有限公司 | A kind of firefighting bottle of support pressure alarm |
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| US20040164868A1 (en) * | 2000-08-10 | 2004-08-26 | Andreas Thomas | Carbon dioxide fire extinguishing device |
| JP2003088596A (en) * | 2001-09-18 | 2003-03-25 | Koatsu Co Ltd | Weight loss detector for fire-extinguisher storage cylinder |
| CN1584514A (en) * | 2004-06-01 | 2005-02-23 | 上海市公用事业研究所 | Computer gas volume metering method and device for natural gas fuel cylinder of vehicle |
| CN201164677Y (en) * | 2007-12-14 | 2008-12-17 | 国营第三九四厂 | Pressure detection mechanism for automatic fire-extinguishing system |
| CN101418910A (en) * | 2008-11-28 | 2009-04-29 | 同济大学 | Integral bottle valve FOR vehicle-mounted high-pressure hydrogen storing bottle |
| CN105980765A (en) * | 2014-01-22 | 2016-09-28 | 乔治洛德方法研究和开发液化空气有限公司 | Valve for pressurized fluid cylinder and corresponding cylinder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112623276A (en) * | 2020-12-28 | 2021-04-09 | 上海空间推进研究所 | Correction method and system for gas cylinder pressure of on-orbit spacecraft changing along with temperature |
| CN113864639A (en) * | 2021-09-24 | 2021-12-31 | 肇庆市海特复合材料技术研究院 | Pressure monitoring and early warning method for composite material gas cylinder |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190326 |
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| RJ01 | Rejection of invention patent application after publication |