CN107576442A - A kind of pressure gauge for liquefied gas - Google Patents
A kind of pressure gauge for liquefied gas Download PDFInfo
- Publication number
- CN107576442A CN107576442A CN201710902769.6A CN201710902769A CN107576442A CN 107576442 A CN107576442 A CN 107576442A CN 201710902769 A CN201710902769 A CN 201710902769A CN 107576442 A CN107576442 A CN 107576442A
- Authority
- CN
- China
- Prior art keywords
- alarm
- watchcase
- pressure gauge
- detection bar
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003860 storage Methods 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 239000011521 glass Substances 0.000 claims abstract description 6
- 239000003915 liquefied petroleum gas Substances 0.000 abstract description 12
- 239000007789 gas Substances 0.000 abstract description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000003949 liquefied natural gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of pressure gauge for liquefied gas, including watchcase, the front of the watchcase is connected with pointer by axis of rotation, the position of the positive and corresponding pointer of the watchcase is provided with graduation mark, the position of positive and the corresponding pointer and graduation mark of the watchcase is fixedly connected with glass panel, the bottom of the watchcase is welded with detection bar, and the bottom of the detection bar is welded with connecting rod；The inside of the detection bar is fixedly connected with sensor coil, and alarm has been bolted on the right side of the detection bar, and the alarm is mounted by means of bolts on the bottom of watchcase, and the bolt connection that passes on left of the detection bar has button cell.This is used for the pressure gauge of liquefied gas by the cooperation of sensor coil, alarm, button cell and storage card, and solving existing pressure gauge can not alarm pressure change in time, so as to which liquefied petroleum gas can not be avoided to reveal the problem of causing serious accident.
Description
Technical field
The present invention relates to technology of instrument and meter field, specially a kind of pressure gauge for liquefied gas.
Background technology
Pressure gauge refers to using flexible member as sensing element, measure and indicate the instrument higher than environmental pressure, using extremely
Generally, it is almost throughout all industrial flow and scientific research field.In heat distribution pipe network, oil gas transmission, water and air supply system, vehicle
The fields such as maintenance factory shop are seen everywhere.Especially in industrial stokehold and technology measurement process, due to mechanical compression
The elastic sensing element of table has very high mechanical strength and the characteristic such as convenient for production so that mechanical compression table obtains more next
More it is widely applied.
Liquefied petroleum gas is in oil plant, and a kind of nothing obtained by pressurization cooling liquefaction is carried out by natural gas or oil
Color volatile liquid.Its easily spontaneous combustion, after its aerial content has reached certain concentration range, he runs into naked light just
Can blast.Not only want precision high when the pressure to liquefied petroleum gas detects, and needs and Times when pressure change
It is alert, avoid the occurrence of leakage or explosion phenomenon, Chinese invention CN203465050U propose a kind of pressure gauge, although the invention improves
The precision of pressure gauge, when the invention can not alarm pressure change in time, so as to liquefied petroleum gas be avoided to reveal
Serious accident is caused, therefore, a kind of it is proposed that pressure gauge for liquefied gas.
The content of the invention
It is an object of the invention to provide a kind of pressure gauge for liquefied gas, possess and reported in time according to pressure change
It is alert, avoid liquefied petroleum gas from revealing the advantages of causing serious accident, solving existing pressure gauge can not become to pressure in time
Change is alarmed, so as to which liquefied petroleum gas can not be avoided to reveal the problem of causing serious accident.
To achieve the above object, the present invention provides following technical scheme：A kind of pressure gauge for liquefied gas, including table
Shell, the front of the watchcase are connected with pointer by axis of rotation, and the position of the positive and corresponding pointer of the watchcase is provided with
Graduation mark, the position of positive and the corresponding pointer and graduation mark of the watchcase are fixedly connected with glass panel, the bottom of the watchcase
Portion is welded with detection bar, and the bottom of the detection bar is welded with connecting rod；
The inside of the detection bar is fixedly connected with sensor coil, and alarm has been bolted on the right side of the detection bar,
The alarm is mounted by means of bolts on the bottom of watchcase, and the bolt connection that passes on left of the detection bar has button electric
Pond, the front of the sensor coil are welded with storage card, and the front of the storage card is welded with control board；
The output end of the sensor coil and the input of control board are unidirectionally electrically connected with, the input of the control board
The output end with button cell is held unidirectionally to be electrically connected with, the control board and the two-way electric connection of storage card, the control
The output end of circuit board and the input of alarm are unidirectionally electrically connected with.
Preferably, positive and positioned at pointer the bottom of the watchcase is inlaid with pressure display screen, the pressure display screen
Input and the output end of sensor coil be unidirectionally electrically connected with.
Preferably, the bolt connection that passes on left of the button cell has a Wireless Transmitter, the control board it is defeated
Go out end and the input of Wireless Transmitter is unidirectionally electrically connected with, the storage card and the two-way electric connection of Wireless Transmitter.
Preferably, cover sheet has been bolted on the right side of the alarm, the surface of the cover sheet opens up
There is through hole, the surface of the connecting rod is provided with screw thread.
Preferably, the storage card is shown using one kind in MMC, SD, MiniSD, Memory Stick, SM, the pressure
Display screen uses LCD display.
Compared with prior art, beneficial effects of the present invention are as follows：
1st, the present invention is by there is provided alarm, when sensor coil detects that pressure declines suddenly, representing that liquefied natural gas is let out
Dew, now alarm sends alarm, and the alarm acoustic frequency that the bigger alarm device of pressure value for working as decline is sent is higher, works as sensitivity
Coil Detector to pressure be higher than certain value when, it is excessive that alarm can send alarm sounds staff's pressure, it is possible that
Security incident, with the increase of pressure value, the frequency of alarm song also can be higher, by there is provided storage card, being stored in storage card
There are the maximal pressure force value and minimal pressure force value during alarm, by that there is provided button cell, electric energy can be provided for alarm, passed through
The cooperation of sensor coil, alarm, button cell and storage card, solving existing pressure gauge can not be carried out to pressure change in time
Alarm, so as to which liquefied petroleum gas can not be avoided to reveal the problem of causing serious accident.
2nd, the present invention is by there is provided pressure display screen, facilitating staff to check pressure, by the way that there is provided be wirelessly transferred
Device so that staff can receive pressure data by Wireless Transmitter, while can receive warning message, and staff can
To check and set the alert data in storage card by Wireless Transmitter, staff can also be by the electric valve of liquefied petroleum gas
Electrically connected with Wireless Transmitter, electric signal is sent automatically by Wireless Transmitter when pressure anomaly, electric valve is closed, avoids sending out
Make trouble former, by there is provided cover sheet, the protection to alarm being strengthened, by there is provided screw thread, facilitating staff to pacify
Fill pressure gauge.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is present system schematic diagram.
In figure：1 watchcase, 2 pointers, 3 graduation marks, 4 glass panels, 5 detection bars, 6 connectors, 7 sensor coils, 8 alarms,
9 button cells, 10 storage cards, 11 control boards, 12 pressure display screens, 13 Wireless Transmitters, 14 cover sheets, 15 screw threads.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-2, a kind of pressure gauge for liquefied gas, including watchcase 1 are referred to, the front of watchcase 1 passes through axis of rotation
Pointer 2 is connected with, the position of the positive and corresponding pointer 2 of watchcase 1 is provided with graduation mark 3, the positive and corresponding pointer 2 of watchcase 1
Glass panel 4 is fixedly connected with the position of graduation mark 3, the bottom of watchcase 1 is welded with detection bar 5, the bottom welding of detection bar 5
There is connecting rod 6；
The inside of detection bar 5 is fixedly connected with sensor coil 7, and the right side of detection bar 5 has been bolted alarm 8, alarm
Device 8 is mounted by means of bolts on the bottom of watchcase 1, and the bolt connection that passes on left of detection bar 5 has button cell 9, sensitive line
The front of circle 7 is welded with storage card 10, and the front of storage card 10 is welded with control board 11；
The input of the output end of sensor coil 7 and control board 11 is unidirectionally electrically connected with, the input of control board 11
Unidirectionally it is electrically connected with the output end of button cell 9, control board 11 and 10 two-way electric connection of storage card, control board
11 output end and the input of alarm 8 are unidirectionally electrically connected with, and positive and positioned at pointer 2 the bottom of watchcase 1 is inlaid with pressure
Power display screen 12, the input of pressure display screen 12 is unidirectionally electrically connected with the output end of sensor coil 7, by the way that there is provided pressure
Display screen 12, staff is facilitated to check pressure, the bolt connection that passes on left of button cell 9 has Wireless Transmitter 13, control
The output end of circuit board 11 and the input of Wireless Transmitter 13 are unidirectionally electrically connected with, and storage card 10 and Wireless Transmitter 13 are two-way
It is electrically connected with, by the way that there is provided Wireless Transmitter 13 so that staff can receive pressure data by Wireless Transmitter 13,
Warning message can be received simultaneously, staff can be checked and be set the alarm number in storage card 10 by Wireless Transmitter 13
According to, staff can also electrically connect the electric valve of liquefied petroleum gas with Wireless Transmitter 13, when pressure anomaly automatically by
Wireless Transmitter 13 sends electric signal, and electric valve is closed, avoids that accident occurs, the right side of alarm 8 has been bolted guarantor
Protecting cover plate 14, the surface of cover sheet 14 offer through hole, and the surface of connecting rod 6 is provided with screw thread 15, by the way that there is provided protection
Cover plate 14, the protection to alarm 8 is strengthened, by there is provided screw thread 15, facilitating staff to install pressure gauge, storage card 10
Using one kind in MMC, SD, MiniSD, Memory Stick, SM, pressure display screen 12 uses LCD display, passes through setting
Alarm 8, when sensor coil 7 detects that pressure declines suddenly, liquefied natural gas leakage is represented, now alarm 8 is sent
Alarm, and the alarm acoustic frequency that the bigger alarm device 8 of pressure value for working as decline is sent is higher, when sensor coil 7 detects pressure
During higher than certain value, it is excessive that alarm 8 can send alarm sounds staff's pressure, it is possible that security incident, with
The increase of pressure value, the frequency of alarm song also can be higher, during by there is provided storage card 10, being stored with alarm in storage card 10
Maximal pressure force value and minimal pressure force value, by that there is provided button cell 9, can be that alarm 8 provides electric energy, pass through sensor coil
7th, the cooperation of alarm 8, button cell 9 and storage card 10, solving existing pressure gauge can not report to pressure change in time
It is alert, so as to which liquefied petroleum gas can not be avoided to reveal the problem of causing serious accident.
In use, by there is provided alarm 8, when sensor coil 7 detects that pressure declines suddenly, representing that liquefaction is natural
Gas is revealed, and now alarm 8 sends alarm, and the alarm acoustic frequency that the bigger alarm device 8 of pressure value for working as decline is sent is higher,
When sensor coil 7 detects that pressure is higher than certain value, it is excessive that alarm 8 can send alarm sounds staff's pressure, can
Security incident can occur, with the increase of pressure value, the frequency of alarm song also can be higher, by there is provided storage card 10, depositing
Maximal pressure force value and minimal pressure force value during alarm are stored with card storage 10, by that can be alarm there is provided button cell 9
8 provide electric energy, by the cooperation of sensor coil 7, alarm 8, button cell 9 and storage card 10, solve existing pressure gauge without
Method is alarmed pressure change in time, so as to which liquefied petroleum gas can not be avoided to reveal the problem of causing serious accident.
In summary：This is used for the pressure gauge of liquefied gas, passes through watchcase 1, pointer 2, graduation mark 3, glass panel 4, detection
The cooperation of bar 5, connector 6, sensor coil 7, alarm 8, button cell 9, storage card 10 and control board 11, solve existing
There is pressure gauge not alarm in time pressure change, so as to which liquefied petroleum gas leakage can not be avoided to cause serious accident
The problem of.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of pressure gauge for liquefied gas, including watchcase（1）, it is characterised in that：The watchcase（1）Front pass through rotating shaft
It is rotatably connected to pointer（2）, the watchcase（1）Positive and corresponding pointer（2）Position be provided with graduation mark（3）, the table
Shell（1）Positive and corresponding pointer（2）And graduation mark（3）Position be fixedly connected with glass panel（4）, the watchcase（1）'s
Bottom is welded with detection bar（5）, the detection bar（5）Bottom be welded with connecting rod（6）；
The detection bar（5）Inside be fixedly connected with sensor coil（7）, the detection bar（5）Right side be bolted
There is alarm（8）, the alarm（8）It is mounted by means of bolts on watchcase（1）Bottom, the detection bar（5）Left side
It has been bolted button cell（9）, the sensor coil（7）Front be welded with storage card（10）, the storage card
（10）Front be welded with control board（11）；
The sensor coil（7）Output end and control board（11）Input be unidirectionally electrically connected with, the control circuit
Plate（11）Input and button cell（9）Output end be unidirectionally electrically connected with, the control board（11）With storage card
（10）Two-way electric connection, the control board（11）Output end and alarm（8）Input be unidirectionally electrically connected with.
A kind of 2. pressure gauge for liquefied gas according to claim 1, it is characterised in that：The watchcase（1）Front
And it is located at pointer（2）Bottom be inlaid with pressure display screen（12）, the pressure display screen（12）Input and sensor coil
（7）Output end be unidirectionally electrically connected with.
A kind of 3. pressure gauge for liquefied gas according to claim 1, it is characterised in that：The button cell（9）'s
Passing on left bolt connection has Wireless Transmitter（13）, the control board（11）Output end and Wireless Transmitter（13）'s
Input is unidirectionally electrically connected with, the storage card（10）With Wireless Transmitter（13）Two-way electric connection.
A kind of 4. pressure gauge for liquefied gas according to claim 1, it is characterised in that：The alarm（8）The right side
Side has been bolted cover sheet（14）, the cover sheet（14）Surface offer through hole, the connecting rod（6）'s
Surface is provided with screw thread（15）.
A kind of 5. pressure gauge for liquefied gas according to claim 2, it is characterised in that：The storage card（10）Using
One kind in MMC, SD, MiniSD, Memory Stick, SM, the pressure display screen（12）Using LCD display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710902769.6A CN107576442A (en) | 2017-09-29 | 2017-09-29 | A kind of pressure gauge for liquefied gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710902769.6A CN107576442A (en) | 2017-09-29 | 2017-09-29 | A kind of pressure gauge for liquefied gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107576442A true CN107576442A (en) | 2018-01-12 |
Family
ID=61039564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710902769.6A Pending CN107576442A (en) | 2017-09-29 | 2017-09-29 | A kind of pressure gauge for liquefied gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107576442A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2080665U (en) * | 1990-08-30 | 1991-07-10 | 上海减压器厂 | Induction shockproof electrical contact manometer |
| CN202049012U (en) * | 2011-05-11 | 2011-11-23 | 大丰市丰泰机电有限公司 | Combustion gas intelligent overpressure safety alarm pressure gauge |
| CN202255745U (en) * | 2011-09-19 | 2012-05-30 | 珠海三德艺电子有限公司 | Multifunctional industrial pressure gage |
| CN205262664U (en) * | 2016-01-03 | 2016-05-25 | 刘文霞 | Explosion -proof alarm pressure gauge of magnetic induction |
| CN205642713U (en) * | 2016-04-26 | 2016-10-12 | 绍兴国正安全技术检测有限公司 | Acetylene pressure gauge with alarming function |
| CN205642703U (en) * | 2016-04-26 | 2016-10-12 | 绍兴国正安全技术检测有限公司 | Hydrogen pressure gauge that practicality is strong |
| CN207231693U (en) * | 2017-09-29 | 2018-04-13 | 无锡市凯丰压力表有限公司 | A kind of pressure gauge for liquefied gas |
-
2017
- 2017-09-29 CN CN201710902769.6A patent/CN107576442A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2080665U (en) * | 1990-08-30 | 1991-07-10 | 上海减压器厂 | Induction shockproof electrical contact manometer |
| CN202049012U (en) * | 2011-05-11 | 2011-11-23 | 大丰市丰泰机电有限公司 | Combustion gas intelligent overpressure safety alarm pressure gauge |
| CN202255745U (en) * | 2011-09-19 | 2012-05-30 | 珠海三德艺电子有限公司 | Multifunctional industrial pressure gage |
| CN205262664U (en) * | 2016-01-03 | 2016-05-25 | 刘文霞 | Explosion -proof alarm pressure gauge of magnetic induction |
| CN205642713U (en) * | 2016-04-26 | 2016-10-12 | 绍兴国正安全技术检测有限公司 | Acetylene pressure gauge with alarming function |
| CN205642703U (en) * | 2016-04-26 | 2016-10-12 | 绍兴国正安全技术检测有限公司 | Hydrogen pressure gauge that practicality is strong |
| CN207231693U (en) * | 2017-09-29 | 2018-04-13 | 无锡市凯丰压力表有限公司 | A kind of pressure gauge for liquefied gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180112 |
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| RJ01 | Rejection of invention patent application after publication |