CN207148066U - Gas detection equipment - Google Patents
Gas detection equipment Download PDFInfo
- Publication number
- CN207148066U CN207148066U CN201720451862.5U CN201720451862U CN207148066U CN 207148066 U CN207148066 U CN 207148066U CN 201720451862 U CN201720451862 U CN 201720451862U CN 207148066 U CN207148066 U CN 207148066U
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- gas sensor
- gas
- filter assemblies
- detection equipment
- equipment according
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Abstract
A kind of gas detection equipment includes gas sensor module and filter assemblies, and gas sensor module is configured as detection gas.Gas sensor module includes the gas sensor being arranged in gas sensor shell and the circuit for being coupled to gas sensor shell.Circuit is configured to supply the instruction to gas.Filter assemblies are configured as coupling with gas sensor shell, and protective gas sensor is from the influence of particle.
Description
Cross-reference to related applications
The application based on and require that the U.S. Provisional Patent Application No.6's 2/401,440 that September in 2016 submits on the 29th is excellent
First weigh, its content is incorporated herein by reference in their entirety.
Technical field
The utility model is broadly directed to process industrial, and relates more specifically to gas detection equipment.
Background technology
Process industrial generally use gas sensor detects the presence of specific gas, this usually as security system one
Part.This is critically important, and reason is that many gases may be harmful to health and/or environment.Industrial gasses sensor
It is typically mounted near process area or the area to be protected of factory or control room.Generally, industrial gasses sensor is arranged on
Fixed position is simultaneously communicated with monitoring system.
Utility model content
A kind of gas detection equipment includes gas sensor module and filter assemblies, and gas sensor module is configured as examining
Survey gas.Gas sensor module includes the gas sensor being arranged in gas sensor shell and is coupled to gas sensor
The circuit of shell.Circuit is configured to supply the instruction to gas.Filter assemblies are configured as coupling with gas sensor shell,
And protective gas sensor is from the influence of particle.
Brief description of the drawings
Fig. 1 is the viewgraph of cross-section of the gas sensor module coupled according to the utility model embodiment and filter assemblies.
Fig. 2 is the block diagram according to the gas sensor module of the utility model embodiment.
Fig. 3 is the diagrammatic view according to the live interchangeable filter assemblies of the utility model embodiment.
Fig. 4 A and Fig. 4 B are the figures according to the filter assemblies being aligned with gas sensor module of the utility model embodiment
Diagrammatic view.
Fig. 5 is to show the operation for coupling filter assemblies and gas sensor module according to the utility model embodiment
Flow chart.
Embodiment
Gas sensor can be used for detecting flammable, inflammable and toxic gas.Gas sensor can include infrared point and sense
Device, ultrasonic sensor, electrochemical gas sensor and semiconductor transducer.In order to suitably work, gas sensor can not
Become to moisture, dust or other kinds of chip irresistance.If irresistance, gas sensor is possibly can not be accurate
True ground sense gasses, and can possibly even damage over time, cause them to be finally replaced.
Generally, protective gas sensor is carried out using barrier to shield unwanted particle.However, in order to install barrier, lead to
Often follow the known protocol for needing many different instruments.It could be completed in addition, these agreements usually require the long period, and
If do not followed correctly, gas sensor damage may result in.For example, when using screw method installation barrier, installing
The damage of sealing structure may occur for period.
With legacy system on the contrary, embodiment as described herein provides a kind of mistake of interchangeable intrusion protection (IP) grade
Component is filtered, it leaves the gas specific passage of whereabouts gas sensor, while protective gas sensor is from moisture and chip
Influence.IPS grade defined in international standard IEC 60529 resists the (bag of solid objects in electric housing to providing
Include body part), dust, the degree of protection of unexpected contact and the intrusion of water classified.One example intrusion protection grade is
IP66 grades, it is according to standard, it can be ensured that for resisting the complete protection of contact and dust, and provides until given extent
Protection against the tide, the given extent includes preventing the water from strength spout according to standard so that the water for not having harmful amount enters
Housing.In addition, while being influenceed according to intrusion protection Standard shielding gas sensor from moisture and chip, filter assemblies are permitted
Perhaps gas sensor keeps meeting the supervision time response standard (T20, T50, T90) for gas sensing.Without using software
In the case of accelerator, the design of filter assemblies also complies with these standard response times.
Further, since at least some process installations may relate to high volatile or even volatile environment, in these rings
It is typically beneficial that the equipment operated in border, which meets intrinsic safety requirements, or even need.These requirements contribute to really
Compatible electrical equipment is protected even if will not also produce incendiary source in failure conditions.It is set forth below the one of intrinsic safety requirements
Individual example：The APPROVAL STANDARD INTRINSICALL Y SAFE that in October, 19 98 is promulgated by mutual assistance research institute of factory
APARATUS AND ASSOCAITED APPARATUS FOR USE IN CLASS I, II and III DIVISION 1
HAZARDOUS (CLASSIFIED) LOCATIONS, CLASS NUMBER 3610.
The cross section for the gas sensor module that Fig. 1 shows to be coupled with filter assemblies according to the utility model embodiment regards
Figure.The gas sensor module that gas detection equipment 100 includes being coupled to filter assemblies 106 is (for example, typically gas sensor
Gas sensor 102 in shell 104).Gas sensor 102 can be configured as detection be present in specific environment can
Combustion, poisonous and/or inflammable gas.In one embodiment, filter assemblies 106 are configured as protective gas sensor 102 and exempted from
By chip and influence of moisture, while gas sensor 102 is still allowed to provide accurate reading according to the professional standard response time.
In one embodiment, filter assemblies 106 include filter shell 110.In one embodiment, by filter assemblies
106 with gas sensor shell 104 couple when, filter shell 110 is configured as surrounding the bottom of gas sensor shell 104.
Filter shell 110 can include allowing gas sensor 102 to be provided according to professional standard and safeguard pin-point reading, while allow to use
In any suitable design to debris resistant and the protection of moisture.
Filter assemblies 106 can also include packing ring 112 and filter element 108, each be configured as by filter assemblies 106
Compressed when being coupled to gas sensor shell 104 relative to gas sensor shell 104.In one embodiment, filtering element is crossed
Part 108 is arranged at the center of filter assemblies 106 or immediate vicinity, and at least a portion of packing ring 112 is placed on filtering
The top of element 108.When compressed, in one embodiment, packing ring 112 and filter element 108 form compression seal, and
With being that gas sensor 102 provides IP66 hierarchical protection together with filter shell 110.Filter element 108 can include being configured as
Any permeable material of the designated lane of gas is reserved, so as to allow gas sensor 102 according to the professional standard response time
Accurate reading is provided.In addition, filter element 108 can also include hydrophobic permeable material, it is configured as reserving gas
Designated lane, while forbid moisture reach gas sensor 102.Packing ring 112 can include being configured as forbidding moisture to reach
The hydrophobic material of gas sensor 102.
Fig. 2 is the illustrative system block diagram according to the gas sensor module of the utility model embodiment.Preferably, gas
Sensor assembly 200 meets at least one intrinsic safety specification (such as specification listed above), to help potentially to explode
Ensure security in property environment.Gas sensor module 200 includes communication module 204, and it may be coupled to for gas to be detected
Information transmission is to control system, the emitter of notice panel or other any suitable equipments or other suitable equipment.The communication
Meet any appropriate agreement.Communication module 204 couples with processor 206, and processor 206 can be micro- in certain embodiments
Processor.Processor 206 is coupled to measuring circuit 208, and can be based on the raw sensor value obtained from measuring circuit 208
Measurement, calculate to programmatic instruction gas one or more process variables.In one embodiment, the quilt of measuring circuit 208
It is configured to receive the signal message generated by sensor 210, and can optionally includes one or more suitable moduluses and turn
Parallel operation and linearizer and/or suitable filter.
Fig. 3 is the diagrammatic view according to the live interchangeable filter assemblies of the utility model embodiment.In an implementation
In example, filter assemblies 300 are configured as according to IPS Standard shielding gas sensor (such as the gas sensing shown in Fig. 1
Device 102) from the influence of moisture and chip.In one embodiment, filter assemblies 300 be configured as reserving gas from outside
Environment while forbids passing through for moisture and/or chip to the designated lane of gas sensor.In one embodiment, filtering group
Part 300 is configured as and gas sensor shell (such as gas sensor shell 104 shown in Fig. 1) tool-lessly (tool-
Lessly) couple.In one embodiment, filter assemblies 300 include filter shell 310, and it, which has, is configured as that group will be filtered
Part 300 is coupled to the breech lock function 302 of gas sensor shell.In addition, filter shell 310 can include align structures 30 6,
It is configured to filter assemblies 300 and gas sensor shell before by filter assemblies 300 and the coupling of gas sensor shell
Alignment.
Filter assemblies 300 can include being arranged at the center of filter assemblies 300 or the filter element 308 of immediate vicinity.
Filter assemblies 300 can also include packing ring 312 so that at least a portion of packing ring 312 is placed on the top of filter element 308.
In one embodiment, filter element 308 includes being configured as reserving the permeable material of the passage of gas.In an implementation
In example, filter element 308 includes hydrophobic permeable material.In one embodiment, will be filtered when using breech lock function 3 02
When component 300 is coupled to gas sensor shell, filter element 308 and packing ring 312 become compression, in the He of filter shell 310
Sealing is formed between gas sensor shell.In one embodiment, as long as filter assemblies 300 are coupled to outside gas sensor
Shell, the compression provides the sealing of the grades of IP6 6, while still allows for gas sensor to be responded according to known industry standard.
In one embodiment, breech lock function 302 can include the main body 314 and projection 304 of inverted " u "-shaped.At one
In embodiment, projection 304 is configured as being received by the receiving portion in gas sensor shell, and when being accepted, incited somebody to action
Component 300 is filtered to couple with gas sensor shell.As being exemplarily illustrated, filter assemblies 300 are included by reference 302 1
As three breech lock functions representing of property ground, however, in other embodiments, it is expressly contemplated that can according to the utility model embodiment
To use the breech lock function of any suitable number.
In one embodiment, breech lock function 302 allows filter assemblies 300 and coupling of the gas sensor shell without instrument
Connect.Such as, but not limited to, when applying insertion force, breech lock function 302 can be latched to the receptacle on gas sensor shell
Point, wherein, filter assemblies 300 are fixed on gas sensor shell, without any instrument.In one embodiment,
Then, by compressing breech lock function 302 and pulling out filter assemblies 300 from gas sensor shell, can be passed manually from gas
Sensor shell removes filter assemblies 300.
Before filter assemblies 300 are coupled into gas sensor shell using one or more breech lock functions 302, alignment
Structure 306 can orient filter assemblies 300 so that one or more breech lock functions 302 are for gas sensor shell
In being properly oriented within.This ensures that filter assemblies 300 can be installed in one embodiment, and damage gas sensor is not present
And/or the risk of gas sensor shell.In one embodiment, align structures 306 are included in the side wall of filter shell 310
Groove, and be configured as being aligned with the alignment part on gas sensor shell and axially receive the gas sensing
Alignment part on device shell.In one embodiment, the alignment between align structures 306 and alignment part ensures
Filter assemblies 300 are coupled to gas sensor shell when in appropriate spin orientation.In one embodiment, appropriate rotation
It is when gas sensor shell and filter assemblies 300 are suitably orientated relative to each other to turn orientation.In one embodiment, it is right
The alignment portion answered can include being configured as the axial ridges axially to be received by align structures 306.However, in other implementations
In example, align structures 306 can include being configured as being aligned with the alignment part on gas sensor shell it is any its
His distinguishing mark, groove or projection.
In other embodiments, specific align structures 306 can be certain types of filter assemblies 300 it is exclusive.Example
Such as but it is not limited to, this can include the filter assemblies 300 with unique align structures, unique align structures instruction filter assemblies
300 are configured as being used together with certain types of gas sensor.Such as, but not limited to, filter assemblies 300 can have only
One align structures 306, unique align structures 306 indicate that filter assemblies 300 are configured as together with hydrocarbon gas sensor
Use, or filter assemblies 300 are configured as being used together with non-hydrocarbon gases sensor.In one embodiment, this ensures
Filter assemblies 300 are only used together with appropriate corresponding gas sensor.
Fig. 4 A and Fig. 4 B are the figures according to the filter assemblies being aligned with gas sensor module of the utility model embodiment
Diagrammatic view.
Fig. 4 A show the filter assemblies 400 being aligned with gas sensor module 408.In one embodiment, gas passes
Sensor module 408 includes the gas sensor (not shown) in gas sensor shell 412.In one embodiment, such as Fig. 4 A
Shown in Fig. 4 B, filter assemblies 400 are coupled to gas sensor shell 412 using straight line insertion operation so that mitigate to gas
Any potential damage of sensor or gas sensor shell 412 (generally occurring with the Design of Screw Thread of routine).In a reality
Apply in example, straight line insertion operation include by the align structures 406 of filter shell 410 with it is corresponding on gas sensor shell 412
Alignment portion 418 is aligned, and substantially as applying insertion force on the direction shown in arrow 42 0 so that filter assemblies 400
Breech lock function 402 is latched to receiving portion 416.Align structures 406 and alignment part 418 are entered for example, Fig. 4 A are shown
Row alignment, and Fig. 4 B show the filter assemblies 400 that gas sensor shell 412 is coupled to after insertion force is applied.Such as
Used herein, straight line insertion operation is intended to indicate that two components do not rotate relative to each other during operation.This is favourable
, reason is that it prevents the rotation that may damage compression seal.
In one embodiment, breech lock function 402 includes the inverted " u "-shaped main body 414 with projection 404.In an implementation
In example, projection 404 is configured as when substantially as applying insertion force on the direction shown in arrow 420 by gas sensor module
408 receiving portion 416 is received respectively.In one embodiment, align structures 406 are configured as and alignment part
The groove of 418 contacts.In one embodiment, alignment part 418 includes axial ridges.In one embodiment, filtering group
Part 400 is tool-lessly coupled to gas sensor shell 412 using straight line insertion operation.
Fig. 4 B are shown is being applied to filter assemblies 400 so that filter assemblies 400 are coupled to gas and passed by insertion force 420
Gas detection equipment after sensor module 408.As being exemplarily illustrated, the projection 404 of breech lock function 402 is by gas sensing
The receiving portion 416 of device shell 412 is received respectively.In addition, the alignment part 418 of gas sensor module 408 is by filtering
The align structures 406 of component 400 are received.In one embodiment, by the compression of breech lock function 402 and will then group be filtered
Part 400 pulls out from gas sensor module 408, can by filter assemblies 400 from the manually removes of gas sensor module 408, without
Need to use instrument.
Fig. 5 is to show the flow that filter assemblies are attached to gas sensor module according to the utility model embodiment
Figure.Method 500 can help in the instrument of not needing or must be threadedly coupled the part of (t hread) filter (it may lead
Cause gas sensor module damage) in the case of filter assemblies are installed.Method 500 starts from frame 502, and in frame 502, user will
The align structures of filter assemblies are aligned with the alignment part on gas sensor module.Although method 500 can be by user
Perform, but also it is expressly contemplated that in other embodiments, during manufacture automatic execution method 500.In one embodiment, it is right
Quasi- structure includes groove as illustrated in box 504, and it is configured as receiving the alignment part on gas sensor module.One
In individual embodiment, groove is specific to alignment part so that filter assemblies are only aligned in align structures with alignment part
Gas sensor module is just coupled to afterwards.In one embodiment, which ensure that before insertion force is applied at filter assemblies
In correct spin orientation.In one embodiment, as indicated at block 506, align structures include visual detector.In a reality
Apply in example, visual detector can include color or pattern on filter assemblies.
At frame 510, user determines the alignment part on the align structures and gas sensor module of filter assemblies
Alignment.In one embodiment, as shown in frame 512, it is determined that can include visually indicating.Visually indicating to include for example when right
Excitation (actuated) light or pattern that quasi- structure is formed when being aligned with the alignment part on gas sensor module.Another
In one embodiment, as depicted at block 514, it is determined that rotation halt can be included.When filter assemblies are relative to gas sensor module
During rotation, once align structures and the alignment of alignment part, rotation halt can terminate the rotary motion of filter assemblies.
In addition, in other embodiments it is also contemplated that other testing mechanisms.
At frame 520, user applies insertion force to filter assemblies so that filter assemblies become and gas sensor module coupling
Connect.In one embodiment, as shown in frame 522, insertion force is applied to filter assemblies, until the breech lock function of filter assemblies is fastened with a bolt or latch
It is locked to the gas sensor shell of gas sensor module.In one embodiment, when breech lock functional machinery is latched into gas
During sensor outer housing, filter assemblies are securely fastened to gas sensor module.In another embodiment, when filter assemblies coupling
When being connected to gas sensor module, as shown in frame 524, the align structures of filter assemblies receive gas sensor module to reply
Quasi- part.In one embodiment, it is in no any work in filter assemblies insertion gas sensor module as shown in frame 52 6
Completed in the case of tool.In one embodiment, as shown in frame 528, filter assemblies are inserted according to the method being discussed herein
Ensure the damage to gas sensor is not present in gas sensor module.
Therefore, method 500 allows user installation filter assemblies, and the spy of plenty of time or multiple types of tools are needed without following
Determine agreement.
Although the utility model is described with reference to preferred embodiment, it will be recognized by those skilled in the art
, in the case where not departing from spirit and scope of the present utility model, it is possible to achieve the modification in form and details.
Claims (18)
1. a kind of gas detection equipment, including：
Gas sensor module, is configured as detection gas, and the gas sensor module includes：
Gas sensor, it is arranged in gas sensor shell；
The circuit of the gas sensor shell is coupled to, the circuit is configured to supply the instruction to gas；And
Filter assemblies, it is configured as coupling with the gas sensor body seal via straight line insertion operation, and protects institute
State influence of the gas sensor from particle.
2. gas detection equipment according to claim 1, wherein, the filter assemblies include align structures, the alignment
Structure is configured as being aligned with the alignment part on the gas sensor shell.
3. gas detection equipment according to claim 2, wherein, the align structures are recessed on the filter assemblies
Groove, it is configured as receiving the alignment part on the gas sensor shell.
4. gas detection equipment according to claim 1, wherein, the filter assemblies are configured as tool-lessly coupling
To the gas sensor shell.
5. gas detection equipment according to claim 1, wherein, the gas detection equipment is essential safety.
6. gas detection equipment according to claim 1, wherein, the filter assemblies also include packing ring and filter element,
The packing ring and the filter element are configured as the shape when the filter assemblies are coupled on the gas sensor shell
Into compression seal, and reserve the designated lane of the gas.
7. gas detection equipment according to claim 6, wherein, the filter element is hydrophobic.
8. gas detection equipment according to claim 6, wherein, the compression seal is the sealing of intrusion protection grade.
9. gas detection equipment according to claim 1, wherein, the filter assemblies also include being configured as being coupled to institute
State at least one breech lock function of gas sensor shell.
10. gas detection equipment according to claim 1, wherein, the gas sensor has type, and the mistake
Filter component has the align structures corresponding with gas sensor type.
11. a kind of gas detection equipment, including：
Gas sensor shell；
Gas sensor, it is arranged in the sensor outer housing；
Filter assemblies, it is configured as releasedly being coupled to the gas sensor shell；And
Wherein, the filter assemblies are tool-lessly coupled to the gas sensor shell.
12. gas detection equipment according to claim 11, wherein, the filter assemblies include being configured as described in engagement
Multiple breech lock functions of sensor outer housing.
13. gas detection equipment according to claim 12, wherein, the filter assemblies can be from the gas sensor
Shell manually removes.
14. gas detection equipment according to claim 11, wherein, the filter assemblies include align structures, described right
Quasi- structure be configured as and the alignment part of the gas sensor shell coordinate so that the filter assemblies can only with
Single rotation configuration is coupled to the sensor outer housing.
15. gas detection equipment according to claim 11, wherein, the filter assemblies with straight line insertion operation with it is described
Sensor outer housing couples.
16. gas detection equipment according to claim 11, wherein, the filter assemblies include permeable for gas
Filter element.
17. gas detection equipment according to claim 16, wherein, the filter element is hydrophobic.
18. gas detection equipment according to claim 11, wherein, the filter assemblies also include packing ring, by described in
When filter assemblies couple with the gas sensor shell, the packing ring is configured as being compressed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15/449,359 | 2017-03-03 | ||
| US15/449,359 US10617985B2 (en) | 2016-09-29 | 2017-03-03 | Gas sensor module with field replaceable, ingress protected, sensor filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207148066U true CN207148066U (en) | 2018-03-27 |
Family
ID=61659197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720451862.5U Withdrawn - After Issue CN207148066U (en) | 2017-03-03 | 2017-04-26 | Gas detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207148066U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535407A (en) * | 2016-09-29 | 2018-09-14 | 罗斯蒙特公司 | Gas sensor module with live replaceable intrusion prevention sensor filter |
| AU2020256029B2 (en) * | 2019-03-29 | 2023-06-08 | Rosemount Inc | Self-contained calibration apparatus for gas sensor |
-
2017
- 2017-04-26 CN CN201720451862.5U patent/CN207148066U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535407A (en) * | 2016-09-29 | 2018-09-14 | 罗斯蒙特公司 | Gas sensor module with live replaceable intrusion prevention sensor filter |
| CN108535407B (en) * | 2016-09-29 | 2021-08-03 | 罗斯蒙特公司 | Gas sensor module with field replaceable intrusion prevention sensor filter |
| AU2020256029B2 (en) * | 2019-03-29 | 2023-06-08 | Rosemount Inc | Self-contained calibration apparatus for gas sensor |
| US12072269B2 (en) * | 2019-03-29 | 2024-08-27 | Rosemount Inc. | Self-contained calibration apparatus for gas sensor |
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Granted publication date: 20180327 Effective date of abandoning: 20210803 |