CN205157103U - A sensor for wind pressure detects - Google Patents
A sensor for wind pressure detects Download PDFInfo
- Publication number
- CN205157103U CN205157103U CN201520837888.4U CN201520837888U CN205157103U CN 205157103 U CN205157103 U CN 205157103U CN 201520837888 U CN201520837888 U CN 201520837888U CN 205157103 U CN205157103 U CN 205157103U
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- Prior art keywords
- back cover
- mouth
- diaphragm assembly
- center
- negative pressure
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- 239000000758 substrate Substances 0.000 claims description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 21
- 239000000741 silica gel Substances 0.000 claims description 21
- 229910002027 silica gel Inorganic materials 0.000 claims description 21
- 239000010409 thin film Substances 0.000 claims description 21
- 210000000078 claw Anatomy 0.000 claims description 12
- 238000010079 rubber tapping Methods 0.000 claims description 8
- 210000002435 tendon Anatomy 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 206010010904 Convulsion Diseases 0.000 abstract 1
- 230000036461 convulsion Effects 0.000 abstract 1
- 230000008034 disappearance Effects 0.000 abstract 1
- 230000001939 inductive effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 7
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000000567 combustion gas Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a sensor for wind pressure detects, the negative pressure mouth of backshell setting is used for getting with the fan presses the mouth to link to each other, after the fan starts convulsions, produce the negative pressure cavity and induced draft, diaphragm subassembly pressurized and the tensile force of overcoming the dish -type spring bottom portion direction backward remove, the removal of diaphragm subassembly can accompany the magnet that is positioned on it to be close to at the hall device bottom the backshell to the setting, hall device is different according to the inductive distance's between magnet and the hall device, convert the displacement physical quantity into electric output. When the fan stall, the interior disappearance of induced drafting of negative pressure cavity, the meso position is answered to unfamiliar subassembly under the tensile force effect of dish -type spring. The utility model discloses a sensor for wind pressure detects, the wind pressure that produces in can putting the fan forced -ventilated detects in succession, makes control system can be based on real -time wind pressure in succession, adjustment fan rotational speed.
Description
Technical field
The utility model relates to sensor, particularly a kind of sensor detected for blast.
Background technology
In Gas appliance controlling run system, it is its important ingredient that the blast of perception blower fan air draft state detects.Generally adopt blast switch as the blast Detection theory device in gas heating system at present on the market, utilize the strong-force exhaust suction of blower fan to control the mechanical switch break-make of blast switch inside, thus ensure not smooth in blower fan air draft or fail to close in time blast tube when reaching regulation Negative Pressure Difference, ensure life safety.But the mode that this blast detects only provides the possibility of 2 detections (ON/OFF), so cannot detect the Negative Pressure Difference process values that blower fan produces and utilize, the accurate control of gas heating system cannot be reached to realize Reasonable Combustion.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of sensor detected for blast, can carry out continuous detecting to the blast that blower fan forced-ventilated puts middle generation.
For solving the problems of the technologies described above, the sensor detected for blast that the utility model provides, it comprises dish-type spring, diaphragm assembly, magnet, back cover, hall device, fore shell;
Described dish-type spring, periphery is provided with multiple claw;
Described diaphragm assembly, middle part is plastic septum, and periphery is silica gel thin film;
Described plastic septum, the center of side is provided with projection;
Described projection, center line is provided with shrinkage pool vertically;
Described magnet, is fixed in described shrinkage pool;
Described plastic septum, the center of opposite side is fixed together with the center of described dish-type spring;
Described back cover, bottom center is provided with gathering sill, and sidewall top is provided with multiple locating slot;
Described back cover, is provided with negative pressure mouth;
Described negative pressure mouth, for being connected with fan pressure-tapping mouth;
The described diaphragm assembly be fixed together and dish-type spring, fasten on described back cover;
The edges cover of the silica gel thin film of described diaphragm assembly periphery is to the sidewall top of described back cover;
Described projection is insinuated in described gathering sill;
Described multiple claw is corresponding at described multiple locating slot place;
Described hall device, is arranged on bottom described back cover;
The sensing part of described hall device is positioned at the vertical projection scope of described magnet in the rear bottom shell;
Described fore shell, be fastened integral with described back cover, described multiple claw correspondence is clamped on above described multiple locating slot places silica gel thin film, and make the silica gel thin film of described diaphragm assembly periphery be pressed to the sidewall top of described back cover, shell forms negative pressure cavity with between described diaphragm assembly in the rear, forms malleation chamber between described fore shell is with described diaphragm assembly;
Described fore shell, is provided with malleation mouth.
Preferably, described back cover, bottom is provided with substrate groove;
Described hall device, is mounted on the substrate with electric loop design;
Described substrate, inserts in described substrate groove.
Preferably, substrate groove inside circumference is provided with raised ribs, and substrate is by being fixed in substrate groove with the raised ribs interference fit of substrate groove inside circumference.
Preferably, described magnet, adopts interference fit or adhesive means to be fixed in described shrinkage pool.
Preferably, the center of described plastic septum opposite side is provided with reference column, and described reference column is fixed together by the gluing center with described dish-type spring.
Preferably, the center of described plastic septum opposite side is provided with reference column, described reference column built-in permanent magnet, and described reference column is fixed the center of described dish-type spring by permanent magnet.
Preferably, described projection outer wall is provided with convex tendon vertically.
Preferably, the plastic septum of described diaphragm assembly and silica gel thin film, use the mode of post forming to be integrated.
Preferably, described fore shell, be fastened integral by buckle with described back cover, described multiple claw correspondence be entrapped in above described multiple locating slot places silica gel thin film, and make the silica gel thin film of described diaphragm assembly periphery be pressed to the sidewall top of described back cover.
Preferably, described negative pressure mouth, is connected with fan pressure-tapping mouth by tracheae;
Described malleation mouth, is communicated with air;
Described negative pressure mouth and described malleation mouth, opening down.
The sensor detected for blast of the present utility model, the negative pressure mouth that back cover is arranged is used for being connected with fan pressure-tapping mouth, when after fan starting exhausting, air draught is produced to negative pressure cavity, diaphragm assembly pressurized the tensile force overcoming dish-type spring move to back cover bottom direction, diaphragm assembly moves can be close to the hall device be arranged on bottom back cover with location magnet thereon, hall device utilizes hall principle, different according to the distance of reaction between magnet from hall device, displacement physical quantity is converted to electric signal to export, realize the corresponding output of electric signal, this electric signal can be analog voltage, frequency signal or pwm signal etc., this electrical signal transfer is in the control system of external unit, and instruction is made to other operating elements.When blower fan stall, the air draught in negative pressure cavity disappears, and diaphragm assembly is multiple meta under the tensile force effect of dish-type spring.
The sensor detected for blast of the present utility model, continuous detecting can be carried out to the blast that blower fan forced-ventilated puts middle generation, make control system can according to real-time continuous blast, adjustment rotation speed of fan, further raising burning qualities etc. are control overflow accurately, thus realize the combustion gas forced-ventilated demand of different combustion requirements, be conducive to improving burning quality, energy-saving and emission-reduction.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical solution of the utility model, below the accompanying drawing used required for the utility model is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is an embodiment explosive view of the sensor for blast detection of the present utility model;
Fig. 2 is the vertical view of sensor one embodiment for blast detection of the present utility model;
Fig. 3 is the B-B sectional view of the sensor that the blast shown in Fig. 2 detects;
Fig. 4 is the non-working state schematic representation of sensor one embodiment for blast detection of the present utility model;
Fig. 5 is the working state schematic representation of sensor one embodiment for blast detection of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, carry out clear, complete description to the technical scheme in the utility model, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of the utility model protection.
Embodiment one
For the sensor that blast detects, as shown in Figures 1 to 5, it comprises dish-type spring 2, diaphragm assembly 3, magnet 4, back cover 5, hall device 7, fore shell 1;
Described dish-type spring 2, periphery is provided with multiple (such as 3 or 4) claw 21;
Described diaphragm assembly 3, middle part is plastic septum 31, and periphery is silica gel thin film 32;
Described plastic septum 31, the center of side is provided with projection 311;
Described projection 311, center line is provided with shrinkage pool vertically;
Described magnet 4, is fixed in described shrinkage pool;
Described plastic septum 31, the center of opposite side is fixed together with the center of described dish-type spring 2;
Described back cover 5, bottom center is provided with gathering sill 53, and sidewall top is provided with multiple locating slot 52;
Described back cover 5, is provided with negative pressure mouth 51;
Described negative pressure mouth 51, for being connected with fan pressure-tapping mouth;
The described diaphragm assembly 3 be fixed together and dish-type spring 2, fasten on described back cover 5;
Silica gel thin film 32 edges cover of described diaphragm assembly 3 periphery is to described back cover 5 sidewall top;
Described projection 311 is insinuated in described gathering sill 53;
Described multiple claw 21 correspondence is at described multiple locating slot 52 place;
Described hall device 7, is arranged on bottom described back cover 5;
The sensing part of described hall device 7 is positioned at the vertical projection scope of described magnet 4 bottom back cover 5;
Described fore shell 1, be fastened integral with described back cover 5, described multiple claw 21 correspondence is clamped on above described multiple locating slot 52 place silica gel thin film 32, and make the silica gel thin film 32 of described diaphragm assembly 3 periphery be pressed to the sidewall top of described back cover 5, shell 5 forms negative pressure cavity 500 with between described diaphragm assembly 3 in the rear, between described fore shell 1 is with described diaphragm assembly 3, form malleation chamber 100;
Described fore shell 1, is provided with malleation mouth 11.
The sensor detected for blast of embodiment one, the negative pressure mouth 51 that back cover 5 is arranged is for being connected with fan pressure-tapping mouth, when after fan starting exhausting, air draught is produced to negative pressure cavity 500, diaphragm assembly 3 pressurized the tensile force overcoming dish-type spring 2 move to back cover 5 bottom direction, diaphragm assembly 3 moves can be close to the hall device 7 be arranged on bottom back cover 5 with location magnet 4 thereon, hall device 7 utilizes hall principle, different according to the distance of reaction between magnet 4 from hall device 7, displacement physical quantity is converted to electric signal to export, realize the corresponding output of electric signal, this electric signal can be analog voltage, frequency signal or pwm signal etc., this electrical signal transfer is in the control system of external unit, and instruction is made to other operating elements.When blower fan stall, the air draught in negative pressure cavity 500 disappears, and diaphragm assembly 3 is multiple meta under the tensile force effect of dish-type spring 2.
The sensor detected for blast of embodiment one, continuous detecting can be carried out to the blast that blower fan forced-ventilated puts middle generation, make control system can according to real-time continuous blast, adjustment rotation speed of fan, further raising burning qualities etc. are control overflow accurately, thus realize the combustion gas forced-ventilated demand of different combustion requirements, be conducive to improving burning quality, energy-saving and emission-reduction.
The sensor detected for blast of embodiment one, compact structure, can mode fixed by snap assign on equipment shell, is convenient to install and safeguard change.
The sensor detected for blast of embodiment one, the design of gathering sill 53 ensure that wind pressure measurement not by inner member effect of weight, ensure that the detection accuracy of hall device 7.
The sensor detected for blast of embodiment one, can be applicable to the utensil that gas heater, wall-hung boiler etc. use combustion gas (coal gas, liquefied gas, natural gas etc.) to burn, be equally also applicable to the related system or equipment (air-conditioning system etc.) that need to detect air-flow or air pressure.
Embodiment two
Based on the sensor detected for blast of embodiment one, described back cover 5, bottom is provided with substrate groove 54;
Described hall device 7, is mounted on the substrate 6 with electric loop design;
Described substrate 6, inserts in described substrate groove 54;
Described substrate 6, upside is provided with signal output interface (such as making the interface of RAST2.5), for being connected with aerial lug, by electric signal transmission to external control system.
Preferably, substrate groove 54 inside circumference is provided with raised ribs, and substrate 6 is by being fixed in substrate groove 54 with the raised ribs interference fit of substrate groove 54 inside circumference.
Preferably, described magnet 4, can adopt interference fit or the mode such as gluing to be fixed in described shrinkage pool.
Preferably, the center of described plastic septum 31 opposite side is provided with reference column 312, and described reference column 312 is fixed together by the gluing center with described dish-type spring 2.
Preferably, the center of described plastic septum 31 opposite side is provided with reference column 312, and described reference column 312 built-in permanent magnet, described reference column 312 is fixed the center of described dish-type spring 2 by permanent magnet.
Preferably, described projection 311 outer wall is provided with convex tendon vertically, to realize projection 311 with the linear contact lay between gathering sill 53, reduces the frictional resistance of projection 311 in gathering sill 53 in moving process.
Preferably, the plastic septum 31 of described diaphragm assembly 3 and silica gel thin film 32, can use the mode of post forming to be integrated.
Preferably, described fore shell 1, be fastened integral by buckle with described back cover 5, described multiple claw 21 correspondence is entrapped in above described multiple locating slot 52 place silica gel thin film 32, and make the silica gel thin film 32 of described diaphragm assembly 3 periphery be pressed to the sidewall top of described back cover 5.
Preferably, described negative pressure mouth 51, is connected with fan pressure-tapping mouth by tracheae; Described malleation mouth 11, is communicated with air.
Preferably, described negative pressure mouth 51 and described malleation mouth 11, opening down.Consider the environment for use of product, it is impaired that the chemical substances such as stack gases can cause inner member to corrode by negative pressure mouth 51 UNICOM, by spring fitting in in the malleation chamber 100 of atmosphere, and by mode that positive and negative pressure mouth down designs, avoid the possibility that coupled tracheae condensate water pours in down a chimney, anti-stack gases corrosion.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacements, improvement etc., all should be included within scope that the utility model protects.
Claims (10)
1., for the sensor that blast detects, it is characterized in that, comprise dish-type spring, diaphragm assembly, magnet, back cover, hall device, fore shell;
Described dish-type spring, periphery is provided with multiple claw;
Described diaphragm assembly, middle part is plastic septum, and periphery is silica gel thin film;
Described plastic septum, the center of side is provided with projection;
Described projection, center line is provided with shrinkage pool vertically;
Described magnet, is fixed in described shrinkage pool;
Described plastic septum, the center of opposite side is fixed together with the center of described dish-type spring;
Described back cover, bottom center is provided with gathering sill, and sidewall top is provided with multiple locating slot;
Described back cover, is provided with negative pressure mouth;
Described negative pressure mouth, for being connected with fan pressure-tapping mouth;
The described diaphragm assembly be fixed together and dish-type spring, fasten on described back cover;
The edges cover of the silica gel thin film of described diaphragm assembly periphery is to the sidewall top of described back cover;
Described projection is insinuated in described gathering sill;
Described multiple claw is corresponding at described multiple locating slot place;
Described hall device, is arranged on bottom described back cover;
The sensing part of described hall device is positioned at the vertical projection scope of described magnet in the rear bottom shell;
Described fore shell, be fastened integral with described back cover, described multiple claw correspondence is clamped on above described multiple locating slot places silica gel thin film, and make the silica gel thin film of described diaphragm assembly periphery be pressed to the sidewall top of described back cover, shell forms negative pressure cavity with between described diaphragm assembly in the rear, forms malleation chamber between described fore shell is with described diaphragm assembly;
Described fore shell, is provided with malleation mouth.
2. the sensor detected for blast according to claim 1, is characterized in that,
Described back cover, bottom is provided with substrate groove;
Described hall device, is mounted on the substrate with electric loop design;
Described substrate, inserts in described substrate groove.
3. the sensor detected for blast according to claim 2, is characterized in that,
Substrate groove inside circumference is provided with raised ribs, and substrate is by being fixed in substrate groove with the raised ribs interference fit of substrate groove inside circumference.
4. the sensor detected for blast according to claim 1, is characterized in that,
Described magnet, adopts interference fit or adhesive means to be fixed in described shrinkage pool.
5. the sensor detected for blast according to claim 1, is characterized in that,
The center of described plastic septum opposite side is provided with reference column, and described reference column is fixed together by the gluing center with described dish-type spring.
6. the sensor detected for blast according to claim 1, is characterized in that,
The center of described plastic septum opposite side is provided with reference column, described reference column built-in permanent magnet, and described reference column is fixed the center of described dish-type spring by permanent magnet.
7. the sensor detected for blast according to claim 1, is characterized in that,
Described projection outer wall is provided with convex tendon vertically.
8. the sensor detected for blast according to claim 1, is characterized in that,
The plastic septum of described diaphragm assembly and silica gel thin film, use the mode of post forming to be integrated.
9. the sensor detected for blast according to claim 1, is characterized in that,
Described fore shell, is fastened integral by buckle with described back cover, described multiple claw correspondence is entrapped in above described multiple locating slot places silica gel thin film, and makes the silica gel thin film of described diaphragm assembly periphery be pressed to the sidewall top of described back cover.
10. the sensor detected for blast according to claim 1, is characterized in that,
Described negative pressure mouth, is connected with fan pressure-tapping mouth by tracheae;
Described malleation mouth, is communicated with air;
Described negative pressure mouth and described malleation mouth, opening down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520837888.4U CN205157103U (en) | 2015-10-27 | 2015-10-27 | A sensor for wind pressure detects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520837888.4U CN205157103U (en) | 2015-10-27 | 2015-10-27 | A sensor for wind pressure detects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205157103U true CN205157103U (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520837888.4U Active CN205157103U (en) | 2015-10-27 | 2015-10-27 | A sensor for wind pressure detects |
Country Status (1)
| Country | Link |
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| CN (1) | CN205157103U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105938035A (en) * | 2016-06-30 | 2016-09-14 | 浙江华地电子有限公司 | Wind pressure sensor |
| CN107132173A (en) * | 2017-06-21 | 2017-09-05 | 江苏久朗高科技股份有限公司 | A kind of air purifier filter screen service life real-time detection apparatus and analysis method |
| CN114608144A (en) * | 2022-03-04 | 2022-06-10 | 宁波奥克斯电气股份有限公司 | Outdoor unit defrosting detection method and device and air conditioner |
-
2015
- 2015-10-27 CN CN201520837888.4U patent/CN205157103U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105938035A (en) * | 2016-06-30 | 2016-09-14 | 浙江华地电子有限公司 | Wind pressure sensor |
| CN105938035B (en) * | 2016-06-30 | 2019-03-19 | 浙江华地电子有限公司 | Wind pressure sensor |
| CN107132173A (en) * | 2017-06-21 | 2017-09-05 | 江苏久朗高科技股份有限公司 | A kind of air purifier filter screen service life real-time detection apparatus and analysis method |
| CN114608144A (en) * | 2022-03-04 | 2022-06-10 | 宁波奥克斯电气股份有限公司 | Outdoor unit defrosting detection method and device and air conditioner |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 650, Qingda Road, Heqing Industrial Zone, Pudong New Area, Shanghai 201201 Patentee after: Marquardt Electronic Technology (Shanghai) Co.,Ltd. Country or region after: China Address before: No. 650, Qingda Road, Pudong New Area, Shanghai 201201 Patentee before: MARQUARDT SWITCHES (SHANGHAI) Co.,Ltd. Country or region before: China |