CN206627173U - A kind of sensor module and gas-metering device - Google Patents
A kind of sensor module and gas-metering device Download PDFInfo
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- CN206627173U CN206627173U CN201621401127.5U CN201621401127U CN206627173U CN 206627173 U CN206627173 U CN 206627173U CN 201621401127 U CN201621401127 U CN 201621401127U CN 206627173 U CN206627173 U CN 206627173U
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Abstract
The utility model proposes a kind of sensor module and gas-metering device, the sensor module includes：Sensor module is arranged in measurement body (1), sensor circuit board (7)；The flow sensor (12) being arranged in sensor circuit board (7), wherein flow sensor (12) are in measurement body (1)；The chamber (8) being arranged in sensor circuit board (7), air admission hole (9) is provided with its middle chamber (8), for measurement body (1) to be connected with chamber (8)；Component sensor (10) is provided with chamber (8).The utility model can be monitored in real time by introducing component sensor to the natural gas of different component, in addition, component sensor it also avoid during component test the situation of flow rate effect.
Description
Technical field
Flow measurement field is the utility model is related to, it particularly relates to a kind of sensor module and gas-metering device.
Background technology
When gas-metering device measures mixed gas, as the demarcation of MEMS natural gas flowmeters is typically carried out in atmosphere
, and actual metered is to be carried out in natural gas environment, two kinds of different gases flow through the heat taken away during MEMS quantifiers
Amount is different, and for accurate measurement actual natural gas flow, traditional method is added in the metrical instrument demarcated
Enter a fixed coefficient K to be corrected.
But natural gas is a kind of mixed gas, the natural gas of different component is to voltage difference caused by MEMS gage probes
Different, the i.e. natural gas of different component, COEFFICIENT K be it is different, therefore, in actually measurement application, gas component
Change within the specific limits, the true stream of accurate measurement different component natural gas is only obviously unable to a fixed coefficient K
Amount, so as to constrain the development that MEMS measurement technologies are applied to gas metering.
The problem of in correlation technique, effective solution is not yet proposed at present.
Utility model content
The problem of in correlation technique, can the utility model proposes a kind of sensor module and gas-metering device
The natural gas of different component can be monitored in real time by introducing component sensor, should so as to solve current gas dosing
Pure gas can only be measured in, in mixed gas because measurement accuracy difference can not realize accurate measurement the problem of.
What the technical solution of the utility model was realized in：
According to one side of the present utility model, there is provided a kind of sensor module.
The sensor module includes：Sensor module is arranged in measurement body (1), sensor circuit board (7)；It is arranged on
Flow sensor (12) in sensor circuit board (7), wherein flow sensor (12) are in measurement body (1)；Set
Chamber (8) in sensor circuit board (7), air admission hole (9) is provided with its middle chamber (8), for will measurement body (1)
Connected with chamber (8)；Component sensor (10) is provided with chamber (8).
According to one embodiment of the present utility model, along chamber (8) to the direction of air admission hole (9), the direction of air admission hole (9)
With angle α >=90 ° of gas flow in measurement body (1).
According to one embodiment of the present utility model, flow sensor (12) and chamber (8) are separately positioned on sensor electricity
In the relative two sides of road plate (7).
According to one embodiment of the present utility model, along chamber (8) to the direction of air admission hole (9), the direction of air admission hole (9)
It is identical with gas flow in measurement body (1).
According to one embodiment of the present utility model, further comprise：Sensor circuit board (7) is provided with sealing ring
(13), sealing ring (13) is arranged at the outside of chamber (8).
According to one embodiment of the present utility model, further comprise：Sensor circuit board (7) is provided with close for installing
The annular boss of seal (13).
According to one embodiment of the present utility model, further comprise：Sensor circuit board (7) is provided with a cavity one
(11), cavity one (11) is connected with measurement body (1), and flow sensor (12) is exposed in cavity one (11).
According to one embodiment of the present utility model, the gas flow along in measurement body (1), cavity one (11) is in flow
The direction in sensor (12) downstream is opposite with gas flow in measurement body (1).
According to another aspect of the present utility model, there is provided a kind of gas-metering device.
The gas-metering device includes：The sensor module of any of the above-described.
According to one embodiment of the present utility model, further comprise：Housing (4) and case lid (5), housing (4) and shell
Body lid (5) forms a cavity two (6), and sensor circuit board (7), air admission hole (9) connecting chamber are provided with cavity two (6)
And housing (4) (8)；Base table circuit board (15) is provided with cavity two (6)；Sensor circuit board (7) is arranged on moulding (14)
On.
Advantageous effects of the present utility model are：
The utility model can be monitored in real time by introducing component sensor to the natural gas of different component, in addition,
Component sensor it also avoid during component test the situation of flow rate effect.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is the schematic diagram according to the gas-metering device of the utility model embodiment；
Fig. 2 is the schematic diagram according to the sensor module of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, every other embodiment that those of ordinary skill in the art are obtained all belongs to
In the scope of the utility model protection.
According to embodiment of the present utility model, there is provided a kind of sensor module and gas-metering device.
As depicted in figs. 1 and 2, included according to the sensor module of the utility model embodiment：Sensor module (3) is set
Interior, the sensor circuit board (7) in measurement body (1)；The flow sensor (12) being arranged in sensor circuit board (7), wherein
Flow sensor (12) is in measurement body (1)；The chamber (8) being arranged in sensor circuit board (7), its middle chamber
(8) air admission hole (9) is provided with, for measurement body (1) to be connected with chamber (8)；Component sensing is provided with chamber (8)
Device (10).
In this embodiment, as Fig. 1 show mixed gas measure application scenarios, the mixed gas are by measurement pipe
One end of body (1) enters, and rectification is carried out by rectifier structure (2), and the gas after rectification is surveyed through sensor module (3) into module
Measure in cavity, wherein, sensor module (3) is by sensor circuit board (7), flow sensor (12), component sensor (10) etc.
Composition, as shown in Fig. 2 flow sensor (12) is arranged on sensor circuit board (7), and the flow sensor (12) exposure
In measurement body (1), so that the flow sensor (12) is directly exposed to above the runner that gas flows through, gas is measured
Flow velocity, while the different then caused temperature differences of gas flow rate are different, and sensor experiences temperature difference and is converted into electric signal, then by
Electric signal is converted into data signal, so as to test gas flow, meanwhile, chamber (8) is arranged on sensor circuit board (7), chamber
Air admission hole (9) is provided with room (8), the air admission hole (9) causes measurement body (1) to be connected with chamber (8), is set in chamber (8)
There is component sensor (10), an air admission hole (9) is provided with the side parallel to air intake side senser and (is employed backwards to wind
Design), the air admission hole (9) is in the shape of thin long eyelet, high-precision by being bound on sensor circuit board (7) in the hole
Component sensor (10), wherein, component sensor (10) is that voltage differential signal is different according to caused by different component gas, and
A kind of sophisticated sensor of gas component measurement is realized, mixed gas diffuse into component sensor by the air admission hole (9)
(10) detection is realized in cavity, the data of detection are transmitted to the dynamic compensation that flow sensor (12) enters horizontal electrical signal, warp in real time
Electric signal after overcompensation is only actual signal, and this actual signal is eventually converted into numerical monitor and come out, it is achieved thereby that smart
Really metering.
, can be to the natural gas of different component by introducing component sensor by such scheme of the present utility model
Monitored in real time, solve the different gas factor k of gas component inconsistence problems, in addition, component sensor carries out group
Divide the situation that flow rate effect is it also avoid during test.
According to one embodiment of the present utility model, further comprise：Along chamber (8) to the direction of air admission hole (9), enter
The direction of stomata (9) and angle α >=90 ° of gas flow in measurement body (1).In this embodiment, as shown in Fig. 2 air inlet
The direction in hole (9) and the angle α of gas flow in measurement body (1) are 180 °, so as to avoid air-flow to mixing gas component
Detect situation about interfering so that the component data measured are more accurate, it is of course possible to understand, the direction of air admission hole (9) with
The angle of gas flow can be also configured according to the actual requirements in measurement body (1), for example, according to one of the present utility model
Embodiment, the direction and the angle of gas flow in measurement body (1) of air admission hole (9) are 120 °.
According to one embodiment of the present utility model, flow sensor (12) and chamber (8) are separately positioned on sensor electricity
In the relative two sides of road plate (7).
In this embodiment, as shown in Fig. 2 tow sides set flow sensor on one piece of sensor circuit board (7)
(12) and chamber (8), the component sensor (10) so as to make flow sensor (12) and be arranged in chamber (8) turn into one
Individual sensor assembly, and also reduce the area of sensor circuit board (7).
According to one embodiment of the present utility model, along chamber (8) to the direction of air admission hole (9), the direction of air admission hole (9)
It is identical with gas flow in measurement body (1), in this embodiment, as shown in Fig. 2 in the side parallel to air intake side senser
Be provided with an air admission hole (9), meanwhile, the direction of the air admission hole (9) with gas flow is identical in measurement body (1) (employs
Backwards to the design of wind), and the air admission hole (9) is in the shape of thin long eyelet, and then ensure that component sensor (10) is being tested
Mixed gas is detected under static environment, it is achieved thereby that the accuracy of testing result.
According to one embodiment of the present utility model, further comprise：Sensor circuit board (7) is provided with sealing ring
(13), sealing ring (13) is arranged at the outside of chamber (8).
In this embodiment, sealing ring (13) seals, by separate sensor module formed two cavitys, one
Flow velocity test is carried out for flow sensor, one carries out component test for component sensor, as shown in Fig. 2 by chamber (8)
Outside set sealing ring (13), so as to realize flow sensor (12) measurement cavity and component sensor (10) measurement cavity
Between sealing, because component sensor (10) is arranged in the very deep module in the runner back side that flows through of fluid, formed one thin
Long cavity, therefore it is not influenceed by flow velocity, the diffusion that gas can only be leaned between gas molecule is replaced to be formed, and such displacement needs
Complete displacement can be realized by wanting 3-5 points, so as to realize the real-time online measuring of gas, so just realize its flow velocity and component is same
When measure, but do not influenceed by flow when relatively independent integrated design, i.e. component sensor are tested, meanwhile, during measurement
Detected and corrected respectively by introducing two sensors, flow sensor is used for measuring gas flow, and component sensor is used
To measure gas component, so as to carry out real time correction to flow, in addition, by using module type backwards to the design of thin long eyelet,
Ensure that component sensor do not influenceed during component test by flow velocity, component sensor has independent chamber, avoids gas
The situation of flow interference.
According to one embodiment of the present utility model, further comprise：Sensor circuit board (7) is provided with close for installing
The annular boss of seal (13).
In this embodiment, the annular boss that height is 1mm has been added around component sensor (10), to install sealing
Circle, realize the sealing between flow sensor (12) measurement cavity and the measurement cavity of component sensor (10), it is of course possible to manage
Solution, the height of annular boss can be configured according to the actual requirements, for example, according to one embodiment of the present utility model, ring-type
The height of boss is 2mm, and the utility model is not limited this.
According to one embodiment of the present utility model, further comprise：Sensor circuit board (7) is provided with a cavity one
(11), cavity one (11) is connected with measurement body (1), and flow sensor (12) is exposed in cavity one (11), so that should
Flow sensor (12) is directly exposed to above the runner that gas flows through, and measures the flow velocity of gas, while the difference of gas flow rate
Then caused temperature difference is different, and sensor experiences temperature difference and is converted into electric signal, then is converted into data signal by electric signal, so as to
Test gas flow.
According to one embodiment of the present utility model, further comprise：The gas input of measurement body (1) is provided with rectification
Structure (2).Of course it is to be understood that the specific setting of rectifier structure (2) can be configured according to the actual requirements, for example, according to this
One embodiment of utility model, rectifier structure (2) are 5 screen clothes, and the utility model is not limited this.
According to embodiment of the present utility model, a kind of gas-metering device is additionally provided.
The gas-metering device includes：The sensor module of any of the above-described.
According to one embodiment of the present utility model, housing (4) and case lid (5), housing (4) and case lid (5) are formed
One cavity two (6), cavity two (6) is interior to be provided with sensor circuit board (7), air admission hole (9) connecting chamber (8) and housing
(4)；Base table circuit board (15) is provided with cavity two (6)；Sensor circuit board (7) is arranged on moulding (14), wherein, base
Watch circuit plate (15) is used for circuit amplifier, and the signal such as heating, sensor collects herein, and table is transferred to by circuit computing
Head component, meanwhile, moulding (14) is the carrier of component sensor (10) and flow sensor (12), component sensor (10)
Just it is bundled on this sensor moulding by circuit board with flow sensor (12), is easily installed simultaneously.
In summary, can be to difference by introducing component sensor by means of above-mentioned technical proposal of the present utility model
The natural gas of component is monitored in real time, in addition, component sensor it also avoid during component test the situation of flow rate effect.
Meanwhile used by sensor module and discharge circuit plate is fixed in module cavity, by the signal collected and compensated information
Amplifier timely is carried out by discharge circuit plate, reduces the interference and decay of signal, while reduces the installation of circuit board, is dismantled,
The module design of an entirety is formed it into, embodies the thought of the design of integration.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (10)
1. a kind of sensor module, it is arranged in measurement body (1), it is characterised in that including：
Sensor circuit board (7)；
The flow sensor (12) being arranged in the sensor circuit board (7), wherein the flow sensor (12) is exposed to
In the measurement body (1)；
The chamber (8) being arranged in the sensor circuit board (7), wherein being provided with air admission hole (9) on the chamber (8), use
Connected in by the measurement body (1) with the chamber (8)；
Component sensor (10) is provided with the chamber (8).
2. sensor module according to claim 1, it is characterised in that along the chamber (8) the extremely air admission hole (9)
Direction, the direction of the air admission hole (9) and angle α >=90 ° of gas flow in the measurement body (1).
3. sensor module according to claim 1, it is characterised in that the flow sensor (12) and the chamber
(8) it is separately positioned in the relative two sides of the sensor circuit board (7).
4. sensor module according to claim 2, it is characterised in that along the chamber (8) the extremely air admission hole (9)
Direction, the direction of the air admission hole (9) are identical with gas flow in the measurement body (1).
5. sensor module according to claim 1, it is characterised in that further comprise：
The sensor circuit board (7) is provided with sealing ring (13), and the sealing ring (13) is arranged at the outer of the chamber (8)
Side.
6. sensor module according to claim 5, it is characterised in that further comprise：
The sensor circuit board (7) is provided with the annular boss for installing the sealing ring (13).
7. sensor module according to claim 1, it is characterised in that further comprise：
The sensor circuit board (7) is provided with a cavity one (11), and the cavity one (11) connects with the measurement body (1)
Logical, the flow sensor (12) is exposed in the cavity one (11).
8. sensor module according to claim 7, it is characterised in that the gas flow along in the measurement body (1),
Direction of the cavity one (11) in the flow sensor (12) downstream is opposite with gas flow in the measurement body (1).
9. a kind of gas-metering device, it is characterised in that including the sensor module described in the claims any one of 1-8.
10. gas-metering device according to claim 9, it is characterised in that further comprise：
Housing (4) and case lid (5), the housing (4) and the case lid (5) form a cavity two (6), the cavity two
(6) sensor circuit board (7) is provided with, the air admission hole (9) connects the chamber (8) and the housing (4)；
Base table circuit board (15) is provided with the cavity two (6)；
The sensor circuit board (7) is arranged on moulding (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621401127.5U CN206627173U (en) | 2016-12-20 | 2016-12-20 | A kind of sensor module and gas-metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621401127.5U CN206627173U (en) | 2016-12-20 | 2016-12-20 | A kind of sensor module and gas-metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206627173U true CN206627173U (en) | 2017-11-10 |
Family
ID=60212614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621401127.5U Active CN206627173U (en) | 2016-12-20 | 2016-12-20 | A kind of sensor module and gas-metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206627173U (en) |
-
2016
- 2016-12-20 CN CN201621401127.5U patent/CN206627173U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230413 Address after: 300392 North 2-204 Industrial Incubator-5-1039, No. 18, Haitai West Road, Huayuan Industrial Zone, Binhai New Area, Tianjin Patentee after: Tianjin Xinzhi Perception Technology Co.,Ltd. Address before: 065001 B, South District, new Austrian Science and Technology Park, Huaxiang Road, Langfang economic and Technological Development Zone, Hebei Patentee before: ENN SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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| TR01 | Transfer of patent right |