CN209168384U - The calibrating of multichannel flammable gas alarm and calibrating installation - Google Patents
The calibrating of multichannel flammable gas alarm and calibrating installation Download PDFInfo
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- CN209168384U CN209168384U CN201920031505.2U CN201920031505U CN209168384U CN 209168384 U CN209168384 U CN 209168384U CN 201920031505 U CN201920031505 U CN 201920031505U CN 209168384 U CN209168384 U CN 209168384U
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- 238000009434 installation Methods 0.000 title claims abstract description 25
- 238000004891 communication Methods 0.000 claims abstract description 80
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 82
- 239000002737 fuel gas Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Abstract
The utility model relates to a kind of calibrating of multichannel flammable gas alarm and calibrating installations, including the first alarm communication interface 1, second alarm communication interface 2,4~20mA electric current turn RS485 communication protocol module 3, and RS485 agreement turns wifi communication module 4 and attaching plug 5；First alarm communication interface 1 turns wifi communication module 4 with RS485 agreement and connect, second alarm communication interface 2 and 4~20mA electric current turns RS485 communication protocol module 3 and RS485 agreement turns wifi communication module 4 and is sequentially connected, and attaching plug 5 is connect with above-mentioned each modular electrical.The present apparatus can examine and determine or calibrate simultaneously the flammable gas alarm of 4 4~20mA electric current transmission information or the flammable gas alarm of 4 RS485 communications protocol transmission information, pass through mobile terminal automatic collection, the gas concentration numerical value of analysis and processing flammable gas alarm acquisition, automatically generate original record and corresponding calibrating or calibration certificate, not only increase working efficiency, human resources are also ad save, the waste of human resources is avoided.
Description
Technical field
The utility model relates to a kind of calibrating of alarm and calibrating installations, and in particular to a kind of multichannel combustible gas alarm
Device calibrating and calibrating installation.
Background technique
Detection device of the flammable gas alarm as flammable explosive gas in safety in production, quality directly close
The life security of shop personnel.More and more enterprises send flammable gas alarm to legality measurement verification machine at present
Structure is examined and determine or is calibrated.Traditional flammable gas alarm calibrating or calibration method be by 24V DC power supply by cable with
Flammable gas alarm is connected as its power supply, when known concentration calibrating gas by pressure reducing valve depressurize, reach gas flowmeter,
The flow of gas flowmeter Standard of Monitoring gas reaches verification cover then by conduit, and verification covers on flammable gas alarm
On the sensor of lower end, compared by display density on flammable gas alarm and standard gas concentration, to judge fuel gas
Whether alarm meets vertification regulation requirement, recycles the numerical value for manually showing flammable gas alarm, and papery text is recorded
On part, calibrating or calibration certificate are then write one by one on computers.As the flammable gas alarm of inspection increases increasingly, pass
The artificial method working efficiency examined and determine or calibrated of system is extremely low, is unable to satisfy the needs of gage work, and cause great people
The power wasting of resources.
Utility model content
Aiming at the shortcomings in the prior art, the purpose of the utility model is to provide a kind of inspections of multichannel flammable gas alarm
Fixed and calibrating installation, it is low with the artificial method working efficiency examined and determine or calibrated for solving traditional, and cause great manpower
The problem of wasting of resources.
The purpose of this utility model adopts the following technical solutions realization:
A kind of calibrating of multichannel flammable gas alarm and calibrating installation, comprising: the first alarm communication interface 1, second
Alarm communication interface 2,4~20mA electric current turn RS485 communication protocol module 3, and RS485 agreement turns wifi communication module 4 and electricity
Source plug 5；The first alarm communication interface 1 turns wifi communication module 4 with RS485 agreement and connect, second alarm
Communication interface 2 and 4~20mA electric current turns RS485 communication protocol module 3 and RS485 agreement turns wifi communication module 4 and is sequentially connected,
The attaching plug 5 is connect with above-mentioned each modular electrical.
Further, the first alarm communication interface 1 is that 4 road RS485 communicate aviation plug, passes through signal transmssion line
The flammable gas alarm for connecting the output of RS485 communication signal, for acquiring the gas concentration information data of alarm output.
Further, the second alarm communication interface 2 is 4 tunnel 4~20mA electric current aviation plugs, is transmitted by signal
Line connects the flammable gas alarm of 4~20mA current signal output, for acquiring the gas concentration Information Number of alarm output
According to.
Further, described device can connect simultaneously 4 tunnel 4~20mA current signals output flammable gas alarm or
The flammable gas alarm of 4 road RS485 communication signals output carries out in-line calibration or calibration.
Further, described device realizes the wireless transmission of data by built-in wifi communication module and mobile terminal 6.
Further, described device in 6 automatic collection flammable gas alarm information of mobile terminal and is analyzed and is located
Reason, automatically generates calibrating or calibration certificate.
Further, 4~20mA electric current turns 4~20mA electric current number of the RS485 communication protocol module 3 for that will acquire
It is believed that number being converted into the data-signal of RS485 communications protocol mode, and the data signal transmission of conversion to RS485 agreement is turned
Wifi communication module 4.
Further, the RS485 agreement turns wifi communication module 4 for by the first alarm communication interface 1 and second
The flammable gas alarm data information transfer that alarm communication interface 2 acquires is to mobile terminal 6.
Further, the attaching plug 5 is each module for power supply inside device by external 220V power supply.
Further, described device is additionally provided with power supply in the junction with flammable gas alarm, for being 4 road combustible gases
Body alarm is powered simultaneously.
Compared with the immediate prior art, technical solution provided by the present application be can include the following benefits:
The utility model can examine and determine or calibrate simultaneously 4 4~20mA electric currents transmission information flammable gas alarm or 4
RS485 communications protocol transmits the flammable gas alarm of information, by built-in wifi communication module, transfers data to mobile whole
End, realizes the wireless transmission of data.Furthermore the present apparatus utilizes mobile terminal automatic collection, analysis, processing combustible gas alarm
The gas concentration numerical value of device acquisition automatically generates original record and corresponding calibrating or calibration certificate, compared to traditional detection
Device not only increases detection efficiency, moreover it is possible to save human resources, avoid the waste of human resources.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the calibrating of multichannel flammable gas alarm and calibrating installation structural schematic diagram；
Fig. 2 is the calibrating of multichannel flammable gas alarm and calibrating installation schematic view of the mounting position；
Appended drawing reference:
1- the first alarm communication interface；2- the second alarm communication interface；3-4~20mA electric current turns RS485 communication association
Discuss module；4-RS485 agreement turns wifi communication module；5- attaching plug；6- mobile terminal；7- flammable gas alarm；8- gas
Flowmeter body；9- pressure reducing valve；10- calibrating gas storage tank；
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
First optimal technical scheme
Fig. 1 is the calibrating of multichannel flammable gas alarm and calibrating installation structural schematic diagram, as shown in Figure 1, described device
It include: the first alarm communication interface 1, the second alarm communication interface 2,4~20mA electric current turns RS485 communication protocol module 3,
RS485 agreement turns wifi communication module 4 and attaching plug 5；Wherein the first alarm communication interface 1 turns wifi with RS485 agreement
Communication module 4 connects, and the first alarm communication interface 1 is that 4 road RS485 communicate aviation plug, can by signal transmssion line
The flammable gas alarm for connecting the output of 4 RS485 communication signals simultaneously acquires alarm using RS485 communication aviation plug
Gas concentration information data, and send data to RS485 agreement and turn wifi communication module 4, it is communicated by the wifi of inside setting
Data information is wirelessly transmitted to mobile terminal 6 by module.The second alarm communication interface 2 and 4~20mA electric current turn RS485
Communication protocol module 3 and RS485 agreement turn wifi communication module 4 and are sequentially connected, the second alarm communication interface 2 be 4 tunnels 4~
20mA electric current aviation plug can connect the combustible gas alarm of 4 4~20mA current signals output by signal transmssion line simultaneously
Device, using the gas concentration information data of 4~20mA electric current aviation plug acquisition alarm output, and send data to 4~
20mA electric current turns RS485 communication protocol module 3, and 4~20mA current data signal that alarm exports is converted into RS485 communication
The data-signal of protocol mode, and the data signal transmission of conversion to RS485 agreement is turned into wifi communication module 4, it is set by inside
Data information is wirelessly transmitted to mobile terminal 6 by the wifi communication module set.The mobile terminal 6 can automatic collection fuel gas
Annunciator message is simultaneously analyzed and is handled, and calibrating or calibration certificate are automatically generated.The attaching plug 5 and above-mentioned each module electricity
Gas connection is each module for power supply inside device by external 220V power supply.Furthermore the utility model with flammable gas alarm
Junction be additionally provided with power supply, for powering simultaneously for 4 road flammable gas alarms.
Second optimal technical scheme
Fig. 2 is that multichannel flammable gas alarm is examined and determine and calibrating installation installation site is intended to, as shown in Fig. 2, this is practical
Novel to connect 4 road flammable gas alarms simultaneously by signal transmssion line, the flammable gas alarm can be RS485 communication
The flammable gas alarm of signal output, is also possible to the flammable gas alarm of 4~20mA current signal output, 4 tunnels are flammable
Gas alarm parallel connection, output end are connect by conduit with gas flowmeter, pass through conduit again out from gas flowmeter
It is sequentially connected with pressure reducing valve and calibrating gas storage tank.It is to detect the flammable gas alarm of 4~20mA current signal output
Example, is described in detail its course of work:
After each device is installed by Fig. 2, multichannel flammable gas alarm is examined and determine and calibrating installation accesses 220V
AC power source can carry out on-line checking and calibration, and in the detection process, the known concentration calibrating gas stored in storage tank leads to
It crosses pressure reducing valve decompression and reaches gas flowmeter, gas flowmeter is used for the flow of Standard of Monitoring gas, and calibrating gas is from gas stream
Meter passes through conduit out and is divided into 4 tunnels, reaches on the verification cover on the sensor for covering on 4 road flammable gas alarms respectively, can
Collected gas concentration information is transferred to the inspection of multichannel flammable gas alarm by signal transmssion line by combustion gas alarm
Fixed and calibrating installation.Due to the device connection be 4 tunnel 4~20mA current signals output flammable gas alarm, the dress
Set first with 4~20mA electric current turn RS485 communication protocol module 3 by 4 tunnels (4~20) mA current signal of acquisition be converted into
The flammable gas alarm of RS485 communication signal output exports identical communications protocol mode, then turns wifi by RS485 agreement
Collected flammable gas alarm information is transferred to mobile terminal 6, by the multi-pass installed in mobile terminal 6 by communication module 4
The calibrating of road flammable gas alarm and calibration software, analyze collected flammable gas alarm information, are handled, finally
JJG693-2011 " flammable gas-detecting alarm device " automatically generates calibrating or calibration record according to national standards, and calibrating or
Calibration certificate simultaneously stores.
An alarm once can only be detected or calibrate with calibrating installation compared to traditional flammable gas alarm detection,
The utility model can be defeated to the flammable gas alarm or 4 road RS485 communication signals of the output of 4 tunnel 4~20mA current signals simultaneously
Flammable gas alarm out carries out in-line calibration or calibration, and automatically generates original record and corresponding inspection in mobile terminal
Fixed or calibration certificate, substantially increases detection efficiency, reduces time cost and cost of labor.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of multichannel flammable gas alarm calibrating and calibrating installation characterized by comprising the communication of the first alarm connects
Mouth (1), the second alarm communication interface (2), 4~20mA electric current turn RS485 communication protocol module (3), and RS485 agreement turns wifi
Communication module (4) and attaching plug (5)；The first alarm communication interface (1) and RS485 agreement turn wifi communication module
(4) it connects, the second alarm communication interface (2) and 4~20mA electric current turn RS485 communication protocol module (3) and RS485 association
View turns wifi communication module (4) and is sequentially connected, and the attaching plug (5) connect with above-mentioned each modular electrical.
2. alarm calibrating according to claim 1 and calibrating installation, which is characterized in that the first alarm communication connects
Mouth (1) is that 4 road RS485 communicate aviation plug, passes through the combustible gas alarm that signal transmssion line connects the output of RS485 communication signal
Device, for acquiring the gas concentration information data of alarm output.
3. alarm calibrating according to claim 1 and calibrating installation, which is characterized in that the second alarm communication connects
Mouth (2) is 4 tunnel 4~20mA electric current aviation plugs, passes through the fuel gas that signal transmssion line connects the output of 4~20mA current signal
Alarm, for acquiring the gas concentration information data of alarm output.
4. alarm calibrating according to claim 1 and calibrating installation, which is characterized in that described device can connect simultaneously
The flammable gas alarm of 4 tunnel 4~20mA current signals output or the flammable gas alarm of 4 road RS485 communication signals output
Carry out in-line calibration or calibration.
5. alarm calibrating according to claim 1 and calibrating installation, which is characterized in that described device passes through built-in
The wireless transmission of data is realized in wifi communication module and mobile terminal (6).
6. alarm calibrating according to claim 1 and calibrating installation, which is characterized in that described device is in mobile terminal
(6) it automatic collection flammable gas alarm information and is analyzed and is handled, automatically generate calibrating or calibration certificate.
7. alarm calibrating according to claim 1 and calibrating installation, which is characterized in that 4~20mA electric current turns
4~20mA current data signal that RS485 communication protocol module (3) is used to acquire is converted into RS485 communications protocol mode
Data-signal, and the data signal transmission of conversion to RS485 agreement is turned into wifi communication module (4).
8. alarm calibrating according to claim 1 and calibrating installation, which is characterized in that the RS485 agreement turns wifi
Communication module (4) is used for the fuel gas report for acquiring the first alarm communication interface (1) and the second alarm communication interface (2)
Device data information transfer is warned to mobile terminal (6).
9. alarm calibrating according to claim 1 and calibrating installation, which is characterized in that the attaching plug (5) passes through
External 220V power supply is each module for power supply inside device.
10. alarm according to claim 1 calibrating and calibrating installation, which is characterized in that described device with combustible gas
The junction of body alarm is additionally provided with power supply, for powering simultaneously for 4 road flammable gas alarms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920031505.2U CN209168384U (en) | 2019-01-08 | 2019-01-08 | The calibrating of multichannel flammable gas alarm and calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920031505.2U CN209168384U (en) | 2019-01-08 | 2019-01-08 | The calibrating of multichannel flammable gas alarm and calibrating installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209168384U true CN209168384U (en) | 2019-07-26 |
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ID=67328407
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920031505.2U Active CN209168384U (en) | 2019-01-08 | 2019-01-08 | The calibrating of multichannel flammable gas alarm and calibrating installation |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738591A (en) * | 2019-02-20 | 2019-05-10 | 苏州曼德克光电有限公司 | A flammable gas alarm calibration device |
| CN113936444A (en) * | 2021-10-13 | 2022-01-14 | 淄博市计量技术研究院 | Automatic gas alarm batch verification system |
| CN114384144A (en) * | 2021-10-25 | 2022-04-22 | 广东电网有限责任公司广州供电局 | Calibration device and method of alarm instrument for detecting sulfur hexafluoride in power distribution room |
| CN114999133A (en) * | 2022-06-06 | 2022-09-02 | 浙江聚森检测科技有限公司 | Calibration equipment capable of automatically adjusting positioning position of gas alarm |
| CN115188173A (en) * | 2022-07-04 | 2022-10-14 | 智慧计量检测(海南)有限公司 | Combustible gas alarm calibrating device |
-
2019
- 2019-01-08 CN CN201920031505.2U patent/CN209168384U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738591A (en) * | 2019-02-20 | 2019-05-10 | 苏州曼德克光电有限公司 | A flammable gas alarm calibration device |
| CN113936444A (en) * | 2021-10-13 | 2022-01-14 | 淄博市计量技术研究院 | Automatic gas alarm batch verification system |
| CN114384144A (en) * | 2021-10-25 | 2022-04-22 | 广东电网有限责任公司广州供电局 | Calibration device and method of alarm instrument for detecting sulfur hexafluoride in power distribution room |
| CN114999133A (en) * | 2022-06-06 | 2022-09-02 | 浙江聚森检测科技有限公司 | Calibration equipment capable of automatically adjusting positioning position of gas alarm |
| CN114999133B (en) * | 2022-06-06 | 2022-12-23 | 浙江聚森检测科技有限公司 | Calibration equipment capable of automatically adjusting positioning position of gas alarm |
| CN115188173A (en) * | 2022-07-04 | 2022-10-14 | 智慧计量检测(海南)有限公司 | Combustible gas alarm calibrating device |
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